summaryrefslogtreecommitdiff
path: root/target/linux/avr32-2.6/patches/100-git_sync.patch
blob: e9e96144ec7269fbfc9114b77d7158e92080fd30 (plain)
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diff -x .git -Nur linux-2.6.22.1/arch/avr32/boards/atngw100/Kconfig linux-avr32.git/arch/avr32/boards/atngw100/Kconfig
--- linux-2.6.22.1/arch/avr32/boards/atngw100/Kconfig	1970-01-01 01:00:00.000000000 +0100
+++ linux-avr32.git/arch/avr32/boards/atngw100/Kconfig	2007-07-13 11:24:16.000000000 +0200
@@ -0,0 +1,12 @@
+# NGW100 customization
+
+config BOARD_ATNGW100_I2C_GPIO
+	bool "Use GPIO for i2c instead of built-in TWI module"
+	help
+	  The driver for the built-in TWI module has been plagued by
+	  various problems, while the i2c-gpio driver is based on the
+	  trusty old i2c-algo-bit bitbanging engine, making it work
+	  on pretty much any setup.
+
+	  Choose 'Y' here if you're having i2c-related problems and
+	  want to rule out the i2c bus driver.
diff -x .git -Nur linux-2.6.22.1/arch/avr32/boards/atngw100/setup.c linux-avr32.git/arch/avr32/boards/atngw100/setup.c
--- linux-2.6.22.1/arch/avr32/boards/atngw100/setup.c	2007-07-10 20:56:30.000000000 +0200
+++ linux-avr32.git/arch/avr32/boards/atngw100/setup.c	2007-07-13 11:24:16.000000000 +0200
@@ -9,10 +9,12 @@
  */
 #include <linux/clk.h>
 #include <linux/etherdevice.h>
+#include <linux/i2c-gpio.h>
 #include <linux/init.h>
 #include <linux/linkage.h>
 #include <linux/platform_device.h>
 #include <linux/types.h>
+#include <linux/leds.h>
 #include <linux/spi/spi.h>
 
 #include <asm/io.h>
@@ -21,6 +23,7 @@
 #include <asm/arch/at32ap7000.h>
 #include <asm/arch/board.h>
 #include <asm/arch/init.h>
+#include <asm/arch/portmux.h>
 
 /* Initialized by bootloader-specific startup code. */
 struct tag *bootloader_tags __initdata;
@@ -39,6 +42,11 @@
 	},
 };
 
+static struct mci_platform_data __initdata mci0_data = {
+	.detect_pin	= GPIO_PIN_PC(25),
+	.wp_pin		= GPIO_PIN_PE(0),
+};
+
 /*
  * The next two functions should go away as the boot loader is
  * supposed to initialize the macb address registers with a valid
@@ -100,8 +108,46 @@
 	at32_setup_serial_console(0);
 }
 
+static const struct gpio_led ngw_leds[] = {
+	{ .name = "sys", .gpio = GPIO_PIN_PA(16), .active_low = 1,
+		.default_trigger = "heartbeat",
+	},
+	{ .name = "a", .gpio = GPIO_PIN_PA(19), .active_low = 1, },
+	{ .name = "b", .gpio = GPIO_PIN_PE(19), .active_low = 1, },
+};
+
+static const struct gpio_led_platform_data ngw_led_data = {
+	.num_leds =	ARRAY_SIZE(ngw_leds),
+	.leds =		(void *) ngw_leds,
+};
+
+static struct platform_device ngw_gpio_leds = {
+	.name =		"leds-gpio",
+	.id =		-1,
+	.dev = {
+		.platform_data = (void *) &ngw_led_data,
+	}
+};
+
+#ifdef CONFIG_BOARD_ATNGW100_I2C_GPIO
+static struct i2c_gpio_platform_data i2c_gpio_data = {
+	.sda_pin	= GPIO_PIN_PA(6),
+	.scl_pin	= GPIO_PIN_PA(7),
+};
+
+static struct platform_device i2c_gpio_device = {
+	.name		= "i2c-gpio",
+	.id		= 0,
+	.dev		= {
+		.platform_data	= &i2c_gpio_data,
+	},
+};
+#endif
+
 static int __init atngw100_init(void)
 {
+	unsigned	i;
+
 	/*
 	 * ATNGW100 uses 16-bit SDRAM interface, so we don't need to
 	 * reserve any pins for it.
@@ -115,6 +161,22 @@
 	set_hw_addr(at32_add_device_eth(1, &eth_data[1]));
 
 	at32_add_device_spi(0, spi0_board_info, ARRAY_SIZE(spi0_board_info));
+	at32_add_device_mci(0, &mci0_data);
+	at32_add_device_usba(0, NULL);
+
+	for (i = 0; i < ARRAY_SIZE(ngw_leds); i++) {
+		at32_select_gpio(ngw_leds[i].gpio,
+				AT32_GPIOF_OUTPUT | AT32_GPIOF_HIGH);
+	}
+	platform_device_register(&ngw_gpio_leds);
+
+#ifdef CONFIG_BOARD_ATNGW100_I2C_GPIO
+	at32_select_gpio(i2c_gpio_data.sda_pin, 0);
+	at32_select_gpio(i2c_gpio_data.scl_pin, 0);
+	platform_device_register(&i2c_gpio_device);
+#else
+	at32_add_device_twi(0);
+#endif
 
 	return 0;
 }
diff -x .git -Nur linux-2.6.22.1/arch/avr32/boards/atstk1000/atstk1002.c linux-avr32.git/arch/avr32/boards/atstk1000/atstk1002.c
--- linux-2.6.22.1/arch/avr32/boards/atstk1000/atstk1002.c	2007-07-10 20:56:30.000000000 +0200
+++ linux-avr32.git/arch/avr32/boards/atstk1000/atstk1002.c	2007-07-12 13:59:49.000000000 +0200
@@ -11,6 +11,7 @@
 #include <linux/etherdevice.h>
 #include <linux/init.h>
 #include <linux/kernel.h>
+#include <linux/leds.h>
 #include <linux/platform_device.h>
 #include <linux/string.h>
 #include <linux/types.h>
@@ -27,7 +28,6 @@
 
 #include "atstk1000.h"
 
-#define	SW2_DEFAULT		/* MMCI and UART_A available */
 
 struct eth_addr {
 	u8 addr[6];
@@ -36,6 +36,7 @@
 static struct eth_addr __initdata hw_addr[2];
 static struct eth_platform_data __initdata eth_data[2];
 
+#ifndef CONFIG_BOARD_ATSTK1002_SW1_CUSTOM
 static struct spi_board_info spi0_board_info[] __initdata = {
 	{
 		/* QVGA display */
@@ -45,6 +46,18 @@
 		.mode		= SPI_MODE_3,
 	},
 };
+#endif
+
+#ifdef CONFIG_BOARD_ATSTK1002_SPI1
+static struct spi_board_info spi1_board_info[] __initdata = { {
+	/* patch in custom entries here */
+} };
+#endif
+
+static struct mci_platform_data __initdata mci0_data = {
+	.detect_pin	= GPIO_PIN_NONE,
+	.wp_pin		= GPIO_PIN_NONE,
+};
 
 /*
  * The next two functions should go away as the boot loader is
@@ -101,12 +114,71 @@
 	clk_put(pclk);
 }
 
-void __init setup_board(void)
+#ifdef CONFIG_BOARD_ATSTK1002_J2_LED
+
+static struct gpio_led stk_j2_led[] = {
+#ifdef CONFIG_BOARD_ATSTK1002_J2_LED8
+#define LEDSTRING "J2 jumpered to LED8"
+	{ .name = "led0:amber", .gpio = GPIO_PIN_PB( 8), },
+	{ .name = "led1:amber", .gpio = GPIO_PIN_PB( 9), },
+	{ .name = "led2:amber", .gpio = GPIO_PIN_PB(10), },
+	{ .name = "led3:amber", .gpio = GPIO_PIN_PB(13), },
+	{ .name = "led4:amber", .gpio = GPIO_PIN_PB(14), },
+	{ .name = "led5:amber", .gpio = GPIO_PIN_PB(15), },
+	{ .name = "led6:amber", .gpio = GPIO_PIN_PB(16), },
+	{ .name = "led7:amber", .gpio = GPIO_PIN_PB(30),
+			.default_trigger = "heartbeat", },
+#else	/* RGB */
+#define LEDSTRING "J2 jumpered to RGB LEDs"
+	{ .name = "r1:red",     .gpio = GPIO_PIN_PB( 8), },
+	{ .name = "g1:green",   .gpio = GPIO_PIN_PB(10), },
+	{ .name = "b1:blue",    .gpio = GPIO_PIN_PB(14), },
+
+	{ .name = "r2:red",     .gpio = GPIO_PIN_PB( 9),
+			.default_trigger = "heartbeat", },
+	{ .name = "g2:green",   .gpio = GPIO_PIN_PB(13), },
+	{ .name = "b2:blue",    .gpio = GPIO_PIN_PB(15),
+			.default_trigger = "heartbeat", },
+	/* PB16, PB30 unused */
+#endif
+};
+
+static struct gpio_led_platform_data stk_j2_led_data = {
+	.num_leds	= ARRAY_SIZE(stk_j2_led),
+	.leds		= stk_j2_led,
+};
+
+static struct platform_device stk_j2_led_dev = {
+	.name		= "leds-gpio",
+	.id		= 2,	/* gpio block J2 */
+	.dev		= {
+		.platform_data	= &stk_j2_led_data,
+	},
+};
+
+static void setup_j2_leds(void)
 {
-#ifdef	SW2_DEFAULT
-	at32_map_usart(1, 0);	/* USART 1/A: /dev/ttyS0, DB9 */
+	unsigned	i;
+
+	for (i = 0; i < ARRAY_SIZE(stk_j2_led); i++)
+		at32_select_gpio(stk_j2_led[i].gpio, AT32_GPIOF_OUTPUT);
+
+	printk("STK1002: " LEDSTRING "\n");
+	platform_device_register(&stk_j2_led_dev);
+}
+
 #else
+static void setup_j2_leds(void)
+{
+}
+#endif
+
+void __init setup_board(void)
+{
+#ifdef	CONFIG_BOARD_ATSTK1002_SW2_CUSTOM
 	at32_map_usart(0, 1);	/* USART 0/B: /dev/ttyS1, IRDA */
+#else
+	at32_map_usart(1, 0);	/* USART 1/A: /dev/ttyS0, DB9 */
 #endif
 	/* USART 2/unused: expansion connector */
 	at32_map_usart(3, 2);	/* USART 3/C: /dev/ttyS2, DB9 */
@@ -140,18 +212,40 @@
 
 	at32_add_system_devices();
 
-#ifdef	SW2_DEFAULT
-	at32_add_device_usart(0);
-#else
+#ifdef	CONFIG_BOARD_ATSTK1002_SW2_CUSTOM
 	at32_add_device_usart(1);
+#else
+	at32_add_device_usart(0);
 #endif
 	at32_add_device_usart(2);
 
+#ifndef CONFIG_BOARD_ATSTK1002_SW6_CUSTOM
 	set_hw_addr(at32_add_device_eth(0, &eth_data[0]));
-
-	at32_add_device_spi(0, spi0_board_info, ARRAY_SIZE(spi0_board_info));
+#endif
+#ifdef CONFIG_BOARD_ATSTK1002_SW5_CUSTOM
+	set_hw_addr(at32_add_device_eth(1, &eth_data[1]));
+#else
 	at32_add_device_lcdc(0, &atstk1000_lcdc_data,
 			     fbmem_start, fbmem_size);
+#endif
+
+#ifndef CONFIG_BOARD_ATSTK1002_SW1_CUSTOM
+	at32_add_device_spi(0, spi0_board_info, ARRAY_SIZE(spi0_board_info));
+#endif
+#ifdef CONFIG_BOARD_ATSTK1002_SPI1
+	at32_add_device_spi(1, spi1_board_info, ARRAY_SIZE(spi1_board_info));
+#endif
+	at32_add_device_twi(0);
+#ifndef CONFIG_BOARD_ATSTK1002_SW2_CUSTOM
+	at32_add_device_mci(0, &mci0_data);
+#endif
+	at32_add_device_usba(0, NULL);
+	at32_add_device_abdac(0);
+#ifndef CONFIG_BOARD_ATSTK1002_SW3_CUSTOM
+	at32_add_device_ssc(0, ATMEL_SSC_TX);
+#endif
+
+	setup_j2_leds();
 
 	return 0;
 }
diff -x .git -Nur linux-2.6.22.1/arch/avr32/boards/atstk1000/Kconfig linux-avr32.git/arch/avr32/boards/atstk1000/Kconfig
--- linux-2.6.22.1/arch/avr32/boards/atstk1000/Kconfig	1970-01-01 01:00:00.000000000 +0100
+++ linux-avr32.git/arch/avr32/boards/atstk1000/Kconfig	2007-07-12 13:59:49.000000000 +0200
@@ -0,0 +1,79 @@
+# STK1000 customization
+
+if BOARD_ATSTK1002
+
+config BOARD_ATSTK1002_CUSTOM
+	bool "Non-default STK-1002 jumper settings"
+	help
+	  You will normally leave the jumpers on the CPU card at their
+	  default settings.  If you need to use certain peripherals,
+	  you will need to change some of those jumpers.
+
+if BOARD_ATSTK1002_CUSTOM
+
+config BOARD_ATSTK1002_SW1_CUSTOM
+	bool "SW1: use SSC1 (not SPI0)"
+	help
+	  This also prevents using the external DAC as an audio interface,
+	  and means you can't initialize the on-board QVGA display.
+
+config BOARD_ATSTK1002_SW2_CUSTOM
+	bool "SW2: use IRDA or TIMER0 (not UART-A, MMC/SD, and PS2-A)"
+	help
+	  If you change this you'll want an updated boot loader putting
+	  the console on UART-C not UART-A.
+
+config BOARD_ATSTK1002_SW3_CUSTOM
+	bool "SW3: use TIMER1 (not SSC0 and GCLK)"
+	help
+	  This also prevents using the external DAC as an audio interface.
+
+config BOARD_ATSTK1002_SW4_CUSTOM
+	bool "SW4: use ISI/Camera (not GPIOs, SPI1, and PS2-B)"
+	help
+	  To use the camera interface you'll need a custom card (on the
+	  PCI-format connector) connect a video sensor.
+
+config BOARD_ATSTK1002_SW5_CUSTOM
+	bool "SW5: use MACB1 (not LCDC)"
+
+config BOARD_ATSTK1002_SW6_CUSTOM
+	bool "SW6: more GPIOs (not MACB0)"
+
+endif	# custom
+
+config BOARD_ATSTK1002_SPI1
+	bool "Configure SPI1 controller"
+	depends on !BOARD_ATSTK1002_SW4_CUSTOM
+	help
+	  All the signals for the second SPI controller are available on
+	  GPIO lines and accessed through the J1 jumper block.  Say "y"
+	  here to configure that SPI controller.
+
+config BOARD_ATSTK1002_J2_LED
+	bool
+	default BOARD_ATSTK1002_J2_LED8 || BOARD_ATSTK1002_J2_RGB
+
+choice
+	prompt "LEDs connected to J2:"
+	depends on LEDS_GPIO && !BOARD_ATSTK1002_SW4_CUSTOM
+	optional
+	help
+	  Select this if you have jumpered the J2 jumper block to the
+	  LED0..LED7 amber leds, or to the RGB leds, using a ten-pin
+	  IDC cable.  A default "heartbeat" trigger is provided, but
+	  you can of course override this.
+
+config BOARD_ATSTK1002_J2_LED8
+	bool "LED0..LED7"
+	help
+	  Select this if J2 is jumpered to LED0..LED7 amber leds.
+
+config BOARD_ATSTK1002_J2_RGB
+	bool "RGB leds"
+	help
+	  Select this if J2 is jumpered to the RGB leds.
+
+endchoice
+
+endif	# stk 1002
diff -x .git -Nur linux-2.6.22.1/arch/avr32/configs/atngw100_defconfig linux-avr32.git/arch/avr32/configs/atngw100_defconfig
--- linux-2.6.22.1/arch/avr32/configs/atngw100_defconfig	2007-07-10 20:56:30.000000000 +0200
+++ linux-avr32.git/arch/avr32/configs/atngw100_defconfig	2007-07-13 11:24:16.000000000 +0200
@@ -1,7 +1,7 @@
 #
 # Automatically generated make config: don't edit
-# Linux kernel version: 2.6.22-rc5
-# Sat Jun 23 15:40:05 2007
+# Linux kernel version: 2.6.22.atmel.1
+# Thu Jul 12 17:49:20 2007
 #
 CONFIG_AVR32=y
 CONFIG_GENERIC_GPIO=y
@@ -114,6 +114,7 @@
 CONFIG_CPU_AT32AP7000=y
 # CONFIG_BOARD_ATSTK1000 is not set
 CONFIG_BOARD_ATNGW100=y
+# CONFIG_BOARD_ATNGW100_I2C_GPIO is not set
 CONFIG_LOADER_U_BOOT=y
 
 #
@@ -122,6 +123,7 @@
 # CONFIG_AP7000_32_BIT_SMC is not set
 CONFIG_AP7000_16_BIT_SMC=y
 # CONFIG_AP7000_8_BIT_SMC is not set
+CONFIG_GPIO_DEV=y
 CONFIG_LOAD_ADDRESS=0x10000000
 CONFIG_ENTRY_ADDRESS=0x90000000
 CONFIG_PHYS_OFFSET=0x10000000
@@ -145,6 +147,7 @@
 # CONFIG_RESOURCES_64BIT is not set
 CONFIG_ZONE_DMA_FLAG=0
 # CONFIG_OWNERSHIP_TRACE is not set
+CONFIG_DW_DMAC=y
 # CONFIG_HZ_100 is not set
 CONFIG_HZ_250=y
 # CONFIG_HZ_300 is not set
@@ -153,6 +156,27 @@
 CONFIG_CMDLINE=""
 
 #
+# Power managment options
+#
+
+#
+# CPU Frequency scaling
+#
+CONFIG_CPU_FREQ=y
+CONFIG_CPU_FREQ_TABLE=y
+# CONFIG_CPU_FREQ_DEBUG is not set
+CONFIG_CPU_FREQ_STAT=m
+# CONFIG_CPU_FREQ_STAT_DETAILS is not set
+CONFIG_CPU_FREQ_DEFAULT_GOV_PERFORMANCE=y
+# CONFIG_CPU_FREQ_DEFAULT_GOV_USERSPACE is not set
+CONFIG_CPU_FREQ_GOV_PERFORMANCE=y
+CONFIG_CPU_FREQ_GOV_POWERSAVE=y
+CONFIG_CPU_FREQ_GOV_USERSPACE=y
+CONFIG_CPU_FREQ_GOV_ONDEMAND=y
+# CONFIG_CPU_FREQ_GOV_CONSERVATIVE is not set
+CONFIG_CPU_FREQ_AT32AP=y
+
+#
 # Bus options
 #
 # CONFIG_ARCH_SUPPORTS_MSI is not set
@@ -187,13 +211,8 @@
 # CONFIG_NET_KEY_MIGRATE is not set
 CONFIG_INET=y
 CONFIG_IP_MULTICAST=y
-CONFIG_IP_ADVANCED_ROUTER=y
-CONFIG_ASK_IP_FIB_HASH=y
-# CONFIG_IP_FIB_TRIE is not set
+# CONFIG_IP_ADVANCED_ROUTER is not set
 CONFIG_IP_FIB_HASH=y
-# CONFIG_IP_MULTIPLE_TABLES is not set
-# CONFIG_IP_ROUTE_MULTIPATH is not set
-# CONFIG_IP_ROUTE_VERBOSE is not set
 CONFIG_IP_PNP=y
 CONFIG_IP_PNP_DHCP=y
 # CONFIG_IP_PNP_BOOTP is not set
@@ -240,6 +259,7 @@
 # CONFIG_NETWORK_SECMARK is not set
 CONFIG_NETFILTER=y
 # CONFIG_NETFILTER_DEBUG is not set
+CONFIG_BRIDGE_NETFILTER=y
 
 #
 # Core Netfilter Configuration
@@ -284,6 +304,7 @@
 CONFIG_NETFILTER_XT_MATCH_MARK=m
 CONFIG_NETFILTER_XT_MATCH_POLICY=m
 CONFIG_NETFILTER_XT_MATCH_MULTIPORT=m
+# CONFIG_NETFILTER_XT_MATCH_PHYSDEV is not set
 CONFIG_NETFILTER_XT_MATCH_PKTTYPE=m
 CONFIG_NETFILTER_XT_MATCH_QUOTA=m
 CONFIG_NETFILTER_XT_MATCH_REALM=m
@@ -359,13 +380,19 @@
 CONFIG_IP6_NF_MANGLE=m
 CONFIG_IP6_NF_TARGET_HL=m
 CONFIG_IP6_NF_RAW=m
+
+#
+# Bridge: Netfilter Configuration
+#
+# CONFIG_BRIDGE_NF_EBTABLES is not set
 # CONFIG_IP_DCCP is not set
 # CONFIG_IP_SCTP is not set
 # CONFIG_TIPC is not set
 # CONFIG_ATM is not set
-# CONFIG_BRIDGE is not set
+CONFIG_BRIDGE=m
 CONFIG_VLAN_8021Q=m
 # CONFIG_DECNET is not set
+CONFIG_LLC=m
 # CONFIG_LLC2 is not set
 # CONFIG_IPX is not set
 # CONFIG_ATALK is not set
@@ -521,7 +548,6 @@
 #
 # Misc devices
 #
-# CONFIG_BLINK is not set
 # CONFIG_IDE is not set
 
 #
@@ -545,13 +571,26 @@
 # CONFIG_BONDING is not set
 # CONFIG_EQUALIZER is not set
 CONFIG_TUN=m
-# CONFIG_PHYLIB is not set
+CONFIG_PHYLIB=y
+
+#
+# MII PHY device drivers
+#
+# CONFIG_MARVELL_PHY is not set
+# CONFIG_DAVICOM_PHY is not set
+# CONFIG_QSEMI_PHY is not set
+# CONFIG_LXT_PHY is not set
+# CONFIG_CICADA_PHY is not set
+# CONFIG_VITESSE_PHY is not set
+# CONFIG_SMSC_PHY is not set
+# CONFIG_BROADCOM_PHY is not set
+# CONFIG_FIXED_PHY is not set
 
 #
 # Ethernet (10 or 100Mbit)
 #
 CONFIG_NET_ETHERNET=y
-CONFIG_MII=y
+# CONFIG_MII is not set
 CONFIG_MACB=y
 # CONFIG_NETDEV_1000 is not set
 # CONFIG_NETDEV_10000 is not set
@@ -625,7 +664,15 @@
 # IPMI
 #
 # CONFIG_IPMI_HANDLER is not set
-# CONFIG_WATCHDOG is not set
+CONFIG_WATCHDOG=y
+# CONFIG_WATCHDOG_NOWAYOUT is not set
+
+#
+# Watchdog Device Drivers
+#
+# CONFIG_SOFT_WATCHDOG is not set
+CONFIG_AT32AP700X_WDT=y
+CONFIG_AT32AP700X_WDT_TIMEOUT=2
 # CONFIG_HW_RANDOM is not set
 # CONFIG_RTC is not set
 # CONFIG_GEN_RTC is not set
@@ -636,7 +683,42 @@
 # TPM devices
 #
 # CONFIG_TCG_TPM is not set
-# CONFIG_I2C is not set
+CONFIG_I2C=m
+CONFIG_I2C_BOARDINFO=y
+CONFIG_I2C_CHARDEV=m
+
+#
+# I2C Algorithms
+#
+CONFIG_I2C_ALGOBIT=m
+# CONFIG_I2C_ALGOPCF is not set
+# CONFIG_I2C_ALGOPCA is not set
+
+#
+# I2C Hardware Bus support
+#
+CONFIG_I2C_ATMELTWI=m
+CONFIG_I2C_ATMELTWI_BAUDRATE=100000
+CONFIG_I2C_GPIO=m
+# CONFIG_I2C_OCORES is not set
+# CONFIG_I2C_PARPORT_LIGHT is not set
+# CONFIG_I2C_SIMTEC is not set
+# CONFIG_I2C_STUB is not set
+
+#
+# Miscellaneous I2C Chip support
+#
+# CONFIG_SENSORS_DS1337 is not set
+# CONFIG_SENSORS_DS1374 is not set
+# CONFIG_SENSORS_EEPROM is not set
+# CONFIG_SENSORS_PCF8574 is not set
+# CONFIG_SENSORS_PCA9539 is not set
+# CONFIG_SENSORS_PCF8591 is not set
+# CONFIG_SENSORS_MAX6875 is not set
+# CONFIG_I2C_DEBUG_CORE is not set
+# CONFIG_I2C_DEBUG_ALGO is not set
+# CONFIG_I2C_DEBUG_BUS is not set
+# CONFIG_I2C_DEBUG_CHIP is not set
 
 #
 # SPI support
@@ -655,7 +737,7 @@
 # SPI Protocol Masters
 #
 # CONFIG_SPI_AT25 is not set
-# CONFIG_SPI_SPIDEV is not set
+CONFIG_SPI_SPIDEV=m
 
 #
 # Dallas's 1-wire bus
@@ -706,21 +788,59 @@
 #
 # USB Gadget Support
 #
-# CONFIG_USB_GADGET is not set
-# CONFIG_MMC is not set
+CONFIG_USB_GADGET=y
+# CONFIG_USB_GADGET_DEBUG_FILES is not set
+CONFIG_USB_GADGET_SELECTED=y
+# CONFIG_USB_GADGET_FSL_USB2 is not set
+# CONFIG_USB_GADGET_NET2280 is not set
+# CONFIG_USB_GADGET_PXA2XX is not set
+# CONFIG_USB_GADGET_GOKU is not set
+# CONFIG_USB_GADGET_LH7A40X is not set
+CONFIG_USB_GADGET_ATMEL_USBA=y
+CONFIG_USB_ATMEL_USBA=y
+# CONFIG_USB_GADGET_OMAP is not set
+# CONFIG_USB_GADGET_AT91 is not set
+# CONFIG_USB_GADGET_DUMMY_HCD is not set
+CONFIG_USB_GADGET_DUALSPEED=y
+CONFIG_USB_ZERO=m
+CONFIG_USB_ETH=m
+CONFIG_USB_ETH_RNDIS=y
+CONFIG_USB_GADGETFS=m
+CONFIG_USB_FILE_STORAGE=m
+# CONFIG_USB_FILE_STORAGE_TEST is not set
+CONFIG_USB_G_SERIAL=m
+# CONFIG_USB_MIDI_GADGET is not set
+CONFIG_MMC=y
+# CONFIG_MMC_DEBUG is not set
+# CONFIG_MMC_UNSAFE_RESUME is not set
+
+#
+# MMC/SD Card Drivers
+#
+CONFIG_MMC_BLOCK=y
+
+#
+# MMC/SD Host Controller Drivers
+#
+CONFIG_MMC_ATMELMCI=y
 
 #
 # LED devices
 #
-# CONFIG_NEW_LEDS is not set
+CONFIG_NEW_LEDS=y
+CONFIG_LEDS_CLASS=y
 
 #
 # LED drivers
 #
+CONFIG_LEDS_GPIO=y
 
 #
 # LED Triggers
 #
+CONFIG_LEDS_TRIGGERS=y
+CONFIG_LEDS_TRIGGER_TIMER=y
+CONFIG_LEDS_TRIGGER_HEARTBEAT=y
 
 #
 # InfiniBand support
@@ -733,7 +853,51 @@
 #
 # Real Time Clock
 #
-# CONFIG_RTC_CLASS is not set
+CONFIG_RTC_LIB=y
+CONFIG_RTC_CLASS=y
+CONFIG_RTC_HCTOSYS=y
+CONFIG_RTC_HCTOSYS_DEVICE="rtc0"
+# CONFIG_RTC_DEBUG is not set
+
+#
+# RTC interfaces
+#
+CONFIG_RTC_INTF_SYSFS=y
+CONFIG_RTC_INTF_PROC=y
+CONFIG_RTC_INTF_DEV=y
+# CONFIG_RTC_INTF_DEV_UIE_EMUL is not set
+# CONFIG_RTC_DRV_TEST is not set
+
+#
+# I2C RTC drivers
+#
+# CONFIG_RTC_DRV_DS1307 is not set
+# CONFIG_RTC_DRV_DS1672 is not set
+# CONFIG_RTC_DRV_MAX6900 is not set
+# CONFIG_RTC_DRV_RS5C372 is not set
+# CONFIG_RTC_DRV_ISL1208 is not set
+# CONFIG_RTC_DRV_X1205 is not set
+# CONFIG_RTC_DRV_PCF8563 is not set
+# CONFIG_RTC_DRV_PCF8583 is not set
+
+#
+# SPI RTC drivers
+#
+# CONFIG_RTC_DRV_RS5C348 is not set
+# CONFIG_RTC_DRV_MAX6902 is not set
+
+#
+# Platform RTC drivers
+#
+# CONFIG_RTC_DRV_DS1553 is not set
+# CONFIG_RTC_DRV_DS1742 is not set
+# CONFIG_RTC_DRV_M48T86 is not set
+# CONFIG_RTC_DRV_V3020 is not set
+
+#
+# on-CPU RTC drivers
+#
+CONFIG_RTC_DRV_AT32AP700X=y
 
 #
 # DMA Engine support
@@ -767,7 +931,8 @@
 # CONFIG_OCFS2_FS is not set
 # CONFIG_MINIX_FS is not set
 # CONFIG_ROMFS_FS is not set
-# CONFIG_INOTIFY is not set
+CONFIG_INOTIFY=y
+CONFIG_INOTIFY_USER=y
 # CONFIG_QUOTA is not set
 # CONFIG_DNOTIFY is not set
 # CONFIG_AUTOFS_FS is not set
@@ -922,7 +1087,7 @@
 CONFIG_ENABLE_MUST_CHECK=y
 CONFIG_MAGIC_SYSRQ=y
 # CONFIG_UNUSED_SYMBOLS is not set
-# CONFIG_DEBUG_FS is not set
+CONFIG_DEBUG_FS=y
 # CONFIG_HEADERS_CHECK is not set
 CONFIG_DEBUG_KERNEL=y
 # CONFIG_DEBUG_SHIRQ is not set
diff -x .git -Nur linux-2.6.22.1/arch/avr32/configs/atstk1002_defconfig linux-avr32.git/arch/avr32/configs/atstk1002_defconfig
--- linux-2.6.22.1/arch/avr32/configs/atstk1002_defconfig	2007-07-10 20:56:30.000000000 +0200
+++ linux-avr32.git/arch/avr32/configs/atstk1002_defconfig	2007-07-13 11:24:16.000000000 +0200
@@ -1,7 +1,7 @@
 #
 # Automatically generated make config: don't edit
-# Linux kernel version: 2.6.22-rc5
-# Sat Jun 23 15:32:08 2007
+# Linux kernel version: 2.6.22.atmel.1
+# Thu Jul 12 19:34:17 2007
 #
 CONFIG_AVR32=y
 CONFIG_GENERIC_GPIO=y
@@ -80,10 +80,10 @@
 #
 CONFIG_MODULES=y
 CONFIG_MODULE_UNLOAD=y
-# CONFIG_MODULE_FORCE_UNLOAD is not set
+CONFIG_MODULE_FORCE_UNLOAD=y
 # CONFIG_MODVERSIONS is not set
 # CONFIG_MODULE_SRCVERSION_ALL is not set
-# CONFIG_KMOD is not set
+CONFIG_KMOD=y
 
 #
 # Block layer
@@ -99,12 +99,12 @@
 CONFIG_IOSCHED_NOOP=y
 # CONFIG_IOSCHED_AS is not set
 # CONFIG_IOSCHED_DEADLINE is not set
-# CONFIG_IOSCHED_CFQ is not set
+CONFIG_IOSCHED_CFQ=y
 # CONFIG_DEFAULT_AS is not set
 # CONFIG_DEFAULT_DEADLINE is not set
-# CONFIG_DEFAULT_CFQ is not set
-CONFIG_DEFAULT_NOOP=y
-CONFIG_DEFAULT_IOSCHED="noop"
+CONFIG_DEFAULT_CFQ=y
+# CONFIG_DEFAULT_NOOP is not set
+CONFIG_DEFAULT_IOSCHED="cfq"
 
 #
 # System Type and features
@@ -117,6 +117,11 @@
 CONFIG_BOARD_ATSTK1002=y
 CONFIG_BOARD_ATSTK1000=y
 # CONFIG_BOARD_ATNGW100 is not set
+# CONFIG_BOARD_ATSTK1002_CUSTOM is not set
+# CONFIG_BOARD_ATSTK1002_SPI1 is not set
+# CONFIG_BOARD_ATSTK1002_J2_LED is not set
+# CONFIG_BOARD_ATSTK1002_J2_LED8 is not set
+# CONFIG_BOARD_ATSTK1002_J2_RGB is not set
 CONFIG_LOADER_U_BOOT=y
 
 #
@@ -125,6 +130,7 @@
 # CONFIG_AP7000_32_BIT_SMC is not set
 CONFIG_AP7000_16_BIT_SMC=y
 # CONFIG_AP7000_8_BIT_SMC is not set
+CONFIG_GPIO_DEV=y
 CONFIG_LOAD_ADDRESS=0x10000000
 CONFIG_ENTRY_ADDRESS=0x90000000
 CONFIG_PHYS_OFFSET=0x10000000
@@ -148,6 +154,7 @@
 # CONFIG_RESOURCES_64BIT is not set
 CONFIG_ZONE_DMA_FLAG=0
 # CONFIG_OWNERSHIP_TRACE is not set
+CONFIG_DW_DMAC=y
 # CONFIG_HZ_100 is not set
 CONFIG_HZ_250=y
 # CONFIG_HZ_300 is not set
@@ -156,6 +163,27 @@
 CONFIG_CMDLINE=""
 
 #
+# Power managment options
+#
+
+#
+# CPU Frequency scaling
+#
+CONFIG_CPU_FREQ=y
+CONFIG_CPU_FREQ_TABLE=y
+# CONFIG_CPU_FREQ_DEBUG is not set
+CONFIG_CPU_FREQ_STAT=m
+# CONFIG_CPU_FREQ_STAT_DETAILS is not set
+CONFIG_CPU_FREQ_DEFAULT_GOV_PERFORMANCE=y
+# CONFIG_CPU_FREQ_DEFAULT_GOV_USERSPACE is not set
+CONFIG_CPU_FREQ_GOV_PERFORMANCE=y
+CONFIG_CPU_FREQ_GOV_POWERSAVE=y
+CONFIG_CPU_FREQ_GOV_USERSPACE=y
+CONFIG_CPU_FREQ_GOV_ONDEMAND=y
+# CONFIG_CPU_FREQ_GOV_CONSERVATIVE is not set
+CONFIG_CPU_FREQ_AT32AP=y
+
+#
 # Bus options
 #
 # CONFIG_ARCH_SUPPORTS_MSI is not set
@@ -327,6 +355,8 @@
 #
 # Self-contained MTD device drivers
 #
+CONFIG_MTD_DATAFLASH=m
+# CONFIG_MTD_M25P80 is not set
 # CONFIG_MTD_SLRAM is not set
 # CONFIG_MTD_PHRAM is not set
 # CONFIG_MTD_MTDRAM is not set
@@ -373,7 +403,6 @@
 #
 # Misc devices
 #
-# CONFIG_BLINK is not set
 # CONFIG_IDE is not set
 
 #
@@ -397,13 +426,26 @@
 # CONFIG_BONDING is not set
 # CONFIG_EQUALIZER is not set
 CONFIG_TUN=m
-# CONFIG_PHYLIB is not set
+CONFIG_PHYLIB=y
+
+#
+# MII PHY device drivers
+#
+# CONFIG_MARVELL_PHY is not set
+# CONFIG_DAVICOM_PHY is not set
+# CONFIG_QSEMI_PHY is not set
+CONFIG_LXT_PHY=y
+# CONFIG_CICADA_PHY is not set
+# CONFIG_VITESSE_PHY is not set
+# CONFIG_SMSC_PHY is not set
+# CONFIG_BROADCOM_PHY is not set
+# CONFIG_FIXED_PHY is not set
 
 #
 # Ethernet (10 or 100Mbit)
 #
 CONFIG_NET_ETHERNET=y
-CONFIG_MII=y
+# CONFIG_MII is not set
 CONFIG_MACB=y
 # CONFIG_NETDEV_1000 is not set
 # CONFIG_NETDEV_10000 is not set
@@ -443,7 +485,42 @@
 #
 # Input device support
 #
-# CONFIG_INPUT is not set
+CONFIG_INPUT=m
+# CONFIG_INPUT_FF_MEMLESS is not set
+CONFIG_INPUT_POLLDEV=m
+
+#
+# Userland interfaces
+#
+CONFIG_INPUT_MOUSEDEV=m
+CONFIG_INPUT_MOUSEDEV_PSAUX=y
+CONFIG_INPUT_MOUSEDEV_SCREEN_X=1024
+CONFIG_INPUT_MOUSEDEV_SCREEN_Y=768
+# CONFIG_INPUT_JOYDEV is not set
+# CONFIG_INPUT_TSDEV is not set
+# CONFIG_INPUT_EVDEV is not set
+# CONFIG_INPUT_EVBUG is not set
+
+#
+# Input Device Drivers
+#
+CONFIG_INPUT_KEYBOARD=y
+# CONFIG_KEYBOARD_ATKBD is not set
+# CONFIG_KEYBOARD_SUNKBD is not set
+# CONFIG_KEYBOARD_LKKBD is not set
+# CONFIG_KEYBOARD_XTKBD is not set
+# CONFIG_KEYBOARD_NEWTON is not set
+# CONFIG_KEYBOARD_STOWAWAY is not set
+CONFIG_KEYBOARD_GPIO=m
+CONFIG_INPUT_MOUSE=y
+# CONFIG_MOUSE_PS2 is not set
+# CONFIG_MOUSE_SERIAL is not set
+# CONFIG_MOUSE_VSXXXAA is not set
+CONFIG_MOUSE_GPIO=m
+# CONFIG_INPUT_JOYSTICK is not set
+# CONFIG_INPUT_TABLET is not set
+# CONFIG_INPUT_TOUCHSCREEN is not set
+# CONFIG_INPUT_MISC is not set
 
 #
 # Hardware I/O ports
@@ -477,7 +554,15 @@
 # IPMI
 #
 # CONFIG_IPMI_HANDLER is not set
-# CONFIG_WATCHDOG is not set
+CONFIG_WATCHDOG=y
+# CONFIG_WATCHDOG_NOWAYOUT is not set
+
+#
+# Watchdog Device Drivers
+#
+# CONFIG_SOFT_WATCHDOG is not set
+CONFIG_AT32AP700X_WDT=y
+CONFIG_AT32AP700X_WDT_TIMEOUT=2
 # CONFIG_HW_RANDOM is not set
 # CONFIG_RTC is not set
 # CONFIG_GEN_RTC is not set
@@ -488,13 +573,61 @@
 # TPM devices
 #
 # CONFIG_TCG_TPM is not set
-# CONFIG_I2C is not set
+CONFIG_I2C=m
+CONFIG_I2C_BOARDINFO=y
+CONFIG_I2C_CHARDEV=m
+
+#
+# I2C Algorithms
+#
+CONFIG_I2C_ALGOBIT=m
+# CONFIG_I2C_ALGOPCF is not set
+# CONFIG_I2C_ALGOPCA is not set
+
+#
+# I2C Hardware Bus support
+#
+CONFIG_I2C_ATMELTWI=m
+CONFIG_I2C_ATMELTWI_BAUDRATE=100000
+CONFIG_I2C_GPIO=m
+# CONFIG_I2C_OCORES is not set
+# CONFIG_I2C_PARPORT_LIGHT is not set
+# CONFIG_I2C_SIMTEC is not set
+# CONFIG_I2C_STUB is not set
+
+#
+# Miscellaneous I2C Chip support
+#
+# CONFIG_SENSORS_DS1337 is not set
+# CONFIG_SENSORS_DS1374 is not set
+# CONFIG_SENSORS_EEPROM is not set
+# CONFIG_SENSORS_PCF8574 is not set
+# CONFIG_SENSORS_PCA9539 is not set
+# CONFIG_SENSORS_PCF8591 is not set
+# CONFIG_SENSORS_MAX6875 is not set
+# CONFIG_I2C_DEBUG_CORE is not set
+# CONFIG_I2C_DEBUG_ALGO is not set
+# CONFIG_I2C_DEBUG_BUS is not set
+# CONFIG_I2C_DEBUG_CHIP is not set
 
 #
 # SPI support
 #
-# CONFIG_SPI is not set
-# CONFIG_SPI_MASTER is not set
+CONFIG_SPI=y
+# CONFIG_SPI_DEBUG is not set
+CONFIG_SPI_MASTER=y
+
+#
+# SPI Master Controller Drivers
+#
+CONFIG_SPI_ATMEL=y
+# CONFIG_SPI_BITBANG is not set
+
+#
+# SPI Protocol Masters
+#
+# CONFIG_SPI_AT25 is not set
+CONFIG_SPI_SPIDEV=m
 
 #
 # Dallas's 1-wire bus
@@ -517,14 +650,40 @@
 #
 # Graphics support
 #
-# CONFIG_BACKLIGHT_LCD_SUPPORT is not set
+CONFIG_BACKLIGHT_LCD_SUPPORT=y
+CONFIG_LCD_CLASS_DEVICE=y
+CONFIG_LCD_LTV350QV=y
+# CONFIG_BACKLIGHT_CLASS_DEVICE is not set
 
 #
 # Display device support
 #
 # CONFIG_DISPLAY_SUPPORT is not set
 # CONFIG_VGASTATE is not set
-# CONFIG_FB is not set
+CONFIG_FB=y
+# CONFIG_FIRMWARE_EDID is not set
+# CONFIG_FB_DDC is not set
+CONFIG_FB_CFB_FILLRECT=y
+CONFIG_FB_CFB_COPYAREA=y
+CONFIG_FB_CFB_IMAGEBLIT=y
+# CONFIG_FB_SYS_FILLRECT is not set
+# CONFIG_FB_SYS_COPYAREA is not set
+# CONFIG_FB_SYS_IMAGEBLIT is not set
+# CONFIG_FB_SYS_FOPS is not set
+CONFIG_FB_DEFERRED_IO=y
+# CONFIG_FB_SVGALIB is not set
+# CONFIG_FB_MACMODES is not set
+# CONFIG_FB_BACKLIGHT is not set
+# CONFIG_FB_MODE_HELPERS is not set
+# CONFIG_FB_TILEBLITTING is not set
+
+#
+# Frame buffer hardware drivers
+#
+# CONFIG_FB_S1D13XXX is not set
+CONFIG_FB_ATMEL=y
+# CONFIG_FB_VIRTUAL is not set
+# CONFIG_LOGO is not set
 
 #
 # Sound
@@ -532,6 +691,11 @@
 # CONFIG_SOUND is not set
 
 #
+# HID Devices
+#
+# CONFIG_HID is not set
+
+#
 # USB support
 #
 # CONFIG_USB_ARCH_HAS_HCD is not set
@@ -545,21 +709,59 @@
 #
 # USB Gadget Support
 #
-# CONFIG_USB_GADGET is not set
-# CONFIG_MMC is not set
+CONFIG_USB_GADGET=y
+# CONFIG_USB_GADGET_DEBUG_FILES is not set
+CONFIG_USB_GADGET_SELECTED=y
+# CONFIG_USB_GADGET_FSL_USB2 is not set
+# CONFIG_USB_GADGET_NET2280 is not set
+# CONFIG_USB_GADGET_PXA2XX is not set
+# CONFIG_USB_GADGET_GOKU is not set
+# CONFIG_USB_GADGET_LH7A40X is not set
+CONFIG_USB_GADGET_ATMEL_USBA=y
+CONFIG_USB_ATMEL_USBA=y
+# CONFIG_USB_GADGET_OMAP is not set
+# CONFIG_USB_GADGET_AT91 is not set
+# CONFIG_USB_GADGET_DUMMY_HCD is not set
+CONFIG_USB_GADGET_DUALSPEED=y
+CONFIG_USB_ZERO=m
+CONFIG_USB_ETH=m
+CONFIG_USB_ETH_RNDIS=y
+CONFIG_USB_GADGETFS=m
+CONFIG_USB_FILE_STORAGE=m
+# CONFIG_USB_FILE_STORAGE_TEST is not set
+CONFIG_USB_G_SERIAL=m
+# CONFIG_USB_MIDI_GADGET is not set
+CONFIG_MMC=y
+# CONFIG_MMC_DEBUG is not set
+# CONFIG_MMC_UNSAFE_RESUME is not set
+
+#
+# MMC/SD Card Drivers
+#
+CONFIG_MMC_BLOCK=y
+
+#
+# MMC/SD Host Controller Drivers
+#
+CONFIG_MMC_ATMELMCI=y
 
 #
 # LED devices
 #
-# CONFIG_NEW_LEDS is not set
+CONFIG_NEW_LEDS=y
+CONFIG_LEDS_CLASS=m
 
 #
 # LED drivers
 #
+CONFIG_LEDS_GPIO=m
 
 #
 # LED Triggers
 #
+CONFIG_LEDS_TRIGGERS=y
+CONFIG_LEDS_TRIGGER_TIMER=m
+CONFIG_LEDS_TRIGGER_HEARTBEAT=m
 
 #
 # InfiniBand support
@@ -572,7 +774,50 @@
 #
 # Real Time Clock
 #
-# CONFIG_RTC_CLASS is not set
+CONFIG_RTC_LIB=y
+CONFIG_RTC_CLASS=y
+# CONFIG_RTC_HCTOSYS is not set
+# CONFIG_RTC_DEBUG is not set
+
+#
+# RTC interfaces
+#
+CONFIG_RTC_INTF_SYSFS=y
+CONFIG_RTC_INTF_PROC=y
+CONFIG_RTC_INTF_DEV=y
+# CONFIG_RTC_INTF_DEV_UIE_EMUL is not set
+# CONFIG_RTC_DRV_TEST is not set
+
+#
+# I2C RTC drivers
+#
+# CONFIG_RTC_DRV_DS1307 is not set
+# CONFIG_RTC_DRV_DS1672 is not set
+# CONFIG_RTC_DRV_MAX6900 is not set
+# CONFIG_RTC_DRV_RS5C372 is not set
+# CONFIG_RTC_DRV_ISL1208 is not set
+# CONFIG_RTC_DRV_X1205 is not set
+# CONFIG_RTC_DRV_PCF8563 is not set
+# CONFIG_RTC_DRV_PCF8583 is not set
+
+#
+# SPI RTC drivers
+#
+# CONFIG_RTC_DRV_RS5C348 is not set
+# CONFIG_RTC_DRV_MAX6902 is not set
+
+#
+# Platform RTC drivers
+#
+# CONFIG_RTC_DRV_DS1553 is not set
+# CONFIG_RTC_DRV_DS1742 is not set
+# CONFIG_RTC_DRV_M48T86 is not set
+# CONFIG_RTC_DRV_V3020 is not set
+
+#
+# on-CPU RTC drivers
+#
+CONFIG_RTC_DRV_AT32AP700X=y
 
 #
 # DMA Engine support
@@ -590,11 +835,14 @@
 #
 # File systems
 #
-CONFIG_EXT2_FS=m
+CONFIG_EXT2_FS=y
 # CONFIG_EXT2_FS_XATTR is not set
 # CONFIG_EXT2_FS_XIP is not set
-# CONFIG_EXT3_FS is not set
+CONFIG_EXT3_FS=y
+# CONFIG_EXT3_FS_XATTR is not set
 # CONFIG_EXT4DEV_FS is not set
+CONFIG_JBD=y
+# CONFIG_JBD_DEBUG is not set
 # CONFIG_REISERFS_FS is not set
 # CONFIG_JFS_FS is not set
 # CONFIG_FS_POSIX_ACL is not set
@@ -609,7 +857,7 @@
 # CONFIG_DNOTIFY is not set
 # CONFIG_AUTOFS_FS is not set
 # CONFIG_AUTOFS4_FS is not set
-# CONFIG_FUSE_FS is not set
+CONFIG_FUSE_FS=m
 
 #
 # CD-ROM/DVD Filesystems
@@ -638,7 +886,7 @@
 # CONFIG_TMPFS_POSIX_ACL is not set
 # CONFIG_HUGETLB_PAGE is not set
 CONFIG_RAMFS=y
-CONFIG_CONFIGFS_FS=m
+CONFIG_CONFIGFS_FS=y
 
 #
 # Miscellaneous filesystems
@@ -683,8 +931,14 @@
 # CONFIG_SUNRPC_BIND34 is not set
 # CONFIG_RPCSEC_GSS_KRB5 is not set
 # CONFIG_RPCSEC_GSS_SPKM3 is not set
-# CONFIG_SMB_FS is not set
-# CONFIG_CIFS is not set
+CONFIG_SMB_FS=m
+# CONFIG_SMB_NLS_DEFAULT is not set
+CONFIG_CIFS=m
+# CONFIG_CIFS_STATS is not set
+# CONFIG_CIFS_WEAK_PW_HASH is not set
+# CONFIG_CIFS_XATTR is not set
+# CONFIG_CIFS_DEBUG2 is not set
+# CONFIG_CIFS_EXPERIMENTAL is not set
 # CONFIG_NCP_FS is not set
 # CONFIG_CODA_FS is not set
 # CONFIG_AFS_FS is not set
diff -x .git -Nur linux-2.6.22.1/arch/avr32/drivers/dw-dmac.c linux-avr32.git/arch/avr32/drivers/dw-dmac.c
--- linux-2.6.22.1/arch/avr32/drivers/dw-dmac.c	1970-01-01 01:00:00.000000000 +0100
+++ linux-avr32.git/arch/avr32/drivers/dw-dmac.c	2007-07-13 11:24:16.000000000 +0200
@@ -0,0 +1,761 @@
+/*
+ * Driver for the Synopsys DesignWare DMA Controller
+ *
+ * Copyright (C) 2005-2006 Atmel Corporation
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+#include <linux/clk.h>
+#include <linux/device.h>
+#include <linux/dma-mapping.h>
+#include <linux/dmapool.h>
+#include <linux/init.h>
+#include <linux/interrupt.h>
+#include <linux/module.h>
+#include <linux/platform_device.h>
+
+#include <asm/dma-controller.h>
+#include <asm/io.h>
+
+#include "dw-dmac.h"
+
+#define DMAC_NR_CHANNELS 3
+#define DMAC_MAX_BLOCKSIZE 4095
+
+enum {
+	CH_STATE_FREE = 0,
+	CH_STATE_ALLOCATED,
+	CH_STATE_BUSY,
+};
+
+struct dw_dma_lli {
+	dma_addr_t	sar;
+	dma_addr_t	dar;
+	dma_addr_t	llp;
+	u32		ctllo;
+	u32		ctlhi;
+	u32		sstat;
+	u32		dstat;
+};
+
+struct dw_dma_block {
+	struct dw_dma_lli *lli_vaddr;
+	dma_addr_t lli_dma_addr;
+};
+
+struct dw_dma_channel {
+	unsigned int state;
+        int is_cyclic;
+	struct dma_request_sg *req_sg;
+	struct dma_request_cyclic *req_cyclic;
+	unsigned int nr_blocks;
+	int direction;
+	struct dw_dma_block *block;
+};
+
+struct dw_dma_controller {
+	spinlock_t lock;
+	void * __iomem	regs;
+	struct dma_pool *lli_pool;
+	struct clk *hclk;
+	struct dma_controller dma;
+	struct dw_dma_channel channel[DMAC_NR_CHANNELS];
+};
+#define to_dw_dmac(dmac) container_of(dmac, struct dw_dma_controller, dma)
+
+#define dmac_writel_hi(dmac, reg, value) \
+	__raw_writel((value), (dmac)->regs + DW_DMAC_##reg + 4)
+#define dmac_readl_hi(dmac, reg) \
+	__raw_readl((dmac)->regs + DW_DMAC_##reg + 4)
+#define dmac_writel_lo(dmac, reg, value) \
+	__raw_writel((value), (dmac)->regs + DW_DMAC_##reg)
+#define dmac_readl_lo(dmac, reg) \
+	__raw_readl((dmac)->regs + DW_DMAC_##reg)
+#define dmac_chan_writel_hi(dmac, chan, reg, value) \
+	__raw_writel((value), ((dmac)->regs + 0x58 * (chan) \
+			       + DW_DMAC_CHAN_##reg + 4))
+#define dmac_chan_readl_hi(dmac, chan, reg) \
+	__raw_readl((dmac)->regs + 0x58 * (chan) + DW_DMAC_CHAN_##reg + 4)
+#define dmac_chan_writel_lo(dmac, chan, reg, value) \
+	__raw_writel((value), (dmac)->regs + 0x58 * (chan) + DW_DMAC_CHAN_##reg)
+#define dmac_chan_readl_lo(dmac, chan, reg) \
+	__raw_readl((dmac)->regs + 0x58 * (chan) + DW_DMAC_CHAN_##reg)
+#define set_channel_bit(dmac, reg, chan) \
+	dmac_writel_lo(dmac, reg, (1 << (chan)) | (1 << ((chan) + 8)))
+#define clear_channel_bit(dmac, reg, chan) \
+	dmac_writel_lo(dmac, reg, (0 << (chan)) | (1 << ((chan) + 8)))
+
+static int dmac_alloc_channel(struct dma_controller *_dmac)
+{
+	struct dw_dma_controller *dmac = to_dw_dmac(_dmac);
+	struct dw_dma_channel *chan;
+	unsigned long flags;
+	int i;
+
+	spin_lock_irqsave(&dmac->lock, flags);
+	for (i = 0; i < DMAC_NR_CHANNELS; i++)
+		if (dmac->channel[i].state == CH_STATE_FREE)
+			break;
+
+	if (i < DMAC_NR_CHANNELS) {
+		chan = &dmac->channel[i];
+		chan->state = CH_STATE_ALLOCATED;
+	} else {
+		i = -EBUSY;
+	}
+
+	spin_unlock_irqrestore(&dmac->lock, flags);
+
+	return i;
+}
+
+static void dmac_release_channel(struct dma_controller *_dmac, int channel)
+{
+	struct dw_dma_controller *dmac = to_dw_dmac(_dmac);
+
+	BUG_ON(channel >= DMAC_NR_CHANNELS
+	       || dmac->channel[channel].state != CH_STATE_ALLOCATED);
+
+	dmac->channel[channel].state = CH_STATE_FREE;
+}
+
+static struct dw_dma_block *allocate_blocks(struct dw_dma_controller *dmac,
+					    unsigned int nr_blocks)
+{
+	struct dw_dma_block *block;
+	void *p;
+	unsigned int i;
+
+	block = kmalloc(nr_blocks * sizeof(*block),
+			GFP_KERNEL);
+	if (unlikely(!block))
+		return NULL;
+
+	for (i = 0; i < nr_blocks; i++) {
+		p = dma_pool_alloc(dmac->lli_pool, GFP_KERNEL,
+				   &block[i].lli_dma_addr);
+		block[i].lli_vaddr = p;
+		if (unlikely(!p))
+			goto fail;
+	}
+
+	return block;
+
+fail:
+	for (i = 0; i < nr_blocks; i++) {
+		if (!block[i].lli_vaddr)
+			break;
+		dma_pool_free(dmac->lli_pool, block[i].lli_vaddr,
+			      block[i].lli_dma_addr);
+	}
+	kfree(block);
+	return NULL;
+}
+
+static void cleanup_channel(struct dw_dma_controller *dmac,
+			    struct dw_dma_channel *chan)
+{
+	unsigned int i;
+
+	if (chan->nr_blocks > 1) {
+		for (i = 0; i < chan->nr_blocks; i++)
+			dma_pool_free(dmac->lli_pool, chan->block[i].lli_vaddr,
+				      chan->block[i].lli_dma_addr);
+		kfree(chan->block);
+	}
+
+	chan->state = CH_STATE_ALLOCATED;
+}
+
+static int dmac_prepare_request_sg(struct dma_controller *_dmac,
+				   struct dma_request_sg *req)
+{
+	struct dw_dma_controller *dmac = to_dw_dmac(_dmac);
+	struct dw_dma_channel *chan;
+	unsigned long ctlhi, ctllo, cfghi, cfglo;
+	unsigned long block_size;
+	unsigned int nr_blocks;
+	int ret, i, direction;
+	unsigned long flags;
+
+	spin_lock_irqsave(&dmac->lock, flags);
+
+	ret = -EINVAL;
+	if (req->req.channel >= DMAC_NR_CHANNELS
+	    || dmac->channel[req->req.channel].state != CH_STATE_ALLOCATED
+	    || req->block_size > DMAC_MAX_BLOCKSIZE) {
+		spin_unlock_irqrestore(&dmac->lock, flags);
+		return -EINVAL;
+	}
+
+	chan = &dmac->channel[req->req.channel];
+	chan->state = CH_STATE_BUSY;
+	chan->req_sg = req;
+	chan->is_cyclic = 0;
+
+	/*
+	 * We have marked the channel as busy, so no need to keep the
+	 * lock as long as we only touch the channel-specific
+	 * registers
+	 */
+	spin_unlock_irqrestore(&dmac->lock, flags);
+
+	/*
+	 * There may be limitations in the driver and/or the DMA
+	 * controller that prevents us from sending a whole
+	 * scatterlist item in one go.  Taking this into account,
+	 * calculate the number of block transfers we need to set up.
+	 *
+	 * FIXME: Let the peripheral driver know about the maximum
+	 * block size we support. We really don't want to use a
+	 * different block size than what was suggested by the
+	 * peripheral.
+	 *
+	 * Each block will get its own Linked List Item (LLI) below.
+	 */
+	block_size = req->block_size;
+	nr_blocks = req->nr_blocks;
+	pr_debug("block_size %lu, nr_blocks %u nr_sg = %u\n",
+		 block_size, nr_blocks, req->nr_sg);
+
+	BUG_ON(nr_blocks == 0);
+	chan->nr_blocks = nr_blocks;
+
+	ret = -EINVAL;
+	cfglo = cfghi = 0;
+	switch (req->direction) {
+	case DMA_DIR_MEM_TO_PERIPH:
+		direction = DMA_TO_DEVICE;
+		cfghi = req->periph_id << (43 - 32);
+		break;
+
+	case DMA_DIR_PERIPH_TO_MEM:
+		direction = DMA_FROM_DEVICE;
+		cfghi = req->periph_id << (39 - 32);
+		break;
+	default:
+		goto out_unclaim_channel;
+	}
+
+        chan->direction = direction;
+
+	dmac_chan_writel_hi(dmac, req->req.channel, CFG, cfghi);
+	dmac_chan_writel_lo(dmac, req->req.channel, CFG, cfglo);
+
+	ctlhi = block_size >> req->width;
+	ctllo = ((req->direction << 20)
+		 // | (1 << 14) | (1 << 11) // source/dest burst trans len
+		 | (req->width << 4) | (req->width << 1)
+		 | (1 << 0));		 // interrupt enable
+
+	if (nr_blocks == 1) {
+		/* Only one block: No need to use block chaining */
+		if (direction == DMA_TO_DEVICE) {
+			dmac_chan_writel_lo(dmac, req->req.channel, SAR,
+					    req->sg->dma_address);
+			dmac_chan_writel_lo(dmac, req->req.channel, DAR,
+					    req->data_reg);
+			ctllo |= 2 << 7; // no dst increment
+		} else {
+			dmac_chan_writel_lo(dmac, req->req.channel, SAR,
+					    req->data_reg);
+			dmac_chan_writel_lo(dmac, req->req.channel, DAR,
+					    req->sg->dma_address);
+			ctllo |= 2 << 9; // no src increment
+		}
+		dmac_chan_writel_lo(dmac, req->req.channel, CTL, ctllo);
+		dmac_chan_writel_hi(dmac, req->req.channel, CTL, ctlhi);
+		pr_debug("ctl hi:lo 0x%lx:%lx\n", ctlhi, ctllo);
+	} else {
+		struct dw_dma_lli *lli, *lli_prev = NULL;
+		int j = 0, offset = 0;
+
+		ret = -ENOMEM;
+		chan->block = allocate_blocks(dmac, nr_blocks);
+		if (!chan->block)
+			goto out_unclaim_channel;
+
+		if (direction == DMA_TO_DEVICE)
+			ctllo |= 1 << 28 | 1 << 27 | 2 << 7;
+		else
+			ctllo |= 1 << 28 | 1 << 27 | 2 << 9;
+
+		/*
+		 * Map scatterlist items to blocks. One scatterlist
+		 * item may need more than one block for the reasons
+		 * mentioned above.
+		 */
+		for (i = 0; i < nr_blocks; i++) {
+			lli = chan->block[i].lli_vaddr;
+			if (lli_prev) {
+				lli_prev->llp = chan->block[i].lli_dma_addr;
+				pr_debug("lli[%d] (0x%p/0x%x): 0x%x 0x%x 0x%x 0x%x 0x%x\n",
+					 i - 1, chan->block[i - 1].lli_vaddr,
+					 chan->block[i - 1].lli_dma_addr,
+					 lli_prev->sar, lli_prev->dar, lli_prev->llp,
+					 lli_prev->ctllo, lli_prev->ctlhi);
+			}
+			lli->llp = 0;
+			lli->ctllo = ctllo;
+			lli->ctlhi = ctlhi;
+			if (direction == DMA_TO_DEVICE) {
+				lli->sar = req->sg[j].dma_address + offset;
+				lli->dar = req->data_reg;
+			} else {
+				lli->sar = req->data_reg;
+				lli->dar = req->sg[j].dma_address + offset;
+			}
+			lli_prev = lli;
+
+			offset += block_size;
+			if (offset > req->sg[j].length) {
+				j++;
+				offset = 0;
+			}
+		}
+
+		pr_debug("lli[%d] (0x%p/0x%x): 0x%x 0x%x 0x%x 0x%x 0x%x\n",
+			 i - 1, chan->block[i - 1].lli_vaddr,
+			 chan->block[i - 1].lli_dma_addr, lli_prev->sar,
+			 lli_prev->dar, lli_prev->llp,
+			 lli_prev->ctllo, lli_prev->ctlhi);
+
+		/*
+		 * SAR, DAR and CTL are initialized from the LLI. We
+		 * only have to enable the LLI bits in CTL.
+		 */
+		dmac_chan_writel_hi(dmac, req->req.channel, CTL, 0);
+		dmac_chan_writel_lo(dmac, req->req.channel, LLP,
+				    chan->block[0].lli_dma_addr);
+		dmac_chan_writel_lo(dmac, req->req.channel, CTL, 1 << 28 | 1 << 27);
+	}
+
+	set_channel_bit(dmac, MASK_XFER, req->req.channel);
+	set_channel_bit(dmac, MASK_ERROR, req->req.channel);
+	if (req->req.block_complete)
+		set_channel_bit(dmac, MASK_BLOCK, req->req.channel);
+	else
+		clear_channel_bit(dmac, MASK_BLOCK, req->req.channel);
+
+	return 0;
+
+out_unclaim_channel:
+	chan->state = CH_STATE_ALLOCATED;
+	return ret;
+}
+
+static int dmac_prepare_request_cyclic(struct dma_controller *_dmac,
+                                       struct dma_request_cyclic *req)
+{
+	struct dw_dma_controller *dmac = to_dw_dmac(_dmac);
+	struct dw_dma_channel *chan;
+	unsigned long ctlhi, ctllo, cfghi, cfglo;
+	unsigned long block_size;
+	int ret, i, direction;
+	unsigned long flags;
+
+	spin_lock_irqsave(&dmac->lock, flags);
+
+        block_size = (req->buffer_size/req->periods) >> req->width;
+
+	ret = -EINVAL;
+	if (req->req.channel >= DMAC_NR_CHANNELS
+	    || dmac->channel[req->req.channel].state != CH_STATE_ALLOCATED
+            || (req->periods == 0)
+	    || block_size > DMAC_MAX_BLOCKSIZE) {
+		spin_unlock_irqrestore(&dmac->lock, flags);
+		return -EINVAL;
+	}
+
+	chan = &dmac->channel[req->req.channel];
+	chan->state = CH_STATE_BUSY;
+	chan->is_cyclic = 1;
+        chan->req_cyclic = req;
+
+	/*
+	 * We have marked the channel as busy, so no need to keep the
+	 * lock as long as we only touch the channel-specific
+	 * registers
+	 */
+	spin_unlock_irqrestore(&dmac->lock, flags);
+
+	/*
+          Setup
+	 */
+	BUG_ON(req->buffer_size % req->periods);
+	/* printk(KERN_INFO "block_size = %lu, periods = %u\n", block_size, req->periods); */
+
+	chan->nr_blocks = req->periods;
+
+	ret = -EINVAL;
+	cfglo = cfghi = 0;
+	switch (req->direction) {
+	case DMA_DIR_MEM_TO_PERIPH:
+		direction = DMA_TO_DEVICE;
+		cfghi = req->periph_id << (43 - 32);
+		break;
+
+	case DMA_DIR_PERIPH_TO_MEM:
+		direction = DMA_FROM_DEVICE;
+		cfghi = req->periph_id << (39 - 32);
+		break;
+	default:
+		goto out_unclaim_channel;
+	}
+
+        chan->direction = direction;
+
+	dmac_chan_writel_hi(dmac, req->req.channel, CFG, cfghi);
+	dmac_chan_writel_lo(dmac, req->req.channel, CFG, cfglo);
+
+	ctlhi = block_size;
+	ctllo = ((req->direction << 20)
+		 | (req->width << 4) | (req->width << 1)
+		 | (1 << 0));		 // interrupt enable
+
+        {
+		struct dw_dma_lli *lli = NULL, *lli_prev = NULL;
+
+		ret = -ENOMEM;
+		chan->block = allocate_blocks(dmac, req->periods);
+		if (!chan->block)
+			goto out_unclaim_channel;
+
+		if (direction == DMA_TO_DEVICE)
+			ctllo |= 1 << 28 | 1 << 27 | 2 << 7;
+		else
+			ctllo |= 1 << 28 | 1 << 27 | 2 << 9;
+
+		/*
+		 * Set up a linked list items where each period gets
+		 * an item. The linked list item for the last period
+		 * points back to the star of the buffer making a
+		 * cyclic buffer.
+		 */
+		for (i = 0; i < req->periods; i++) {
+			lli = chan->block[i].lli_vaddr;
+			if (lli_prev) {
+				lli_prev->llp = chan->block[i].lli_dma_addr;
+				/* printk(KERN_INFO "lli[%d] (0x%p/0x%x): 0x%x 0x%x 0x%x 0x%x 0x%x\n",
+				   i - 1, chan->block[i - 1].lli_vaddr,
+				   chan->block[i - 1].lli_dma_addr,
+				   lli_prev->sar, lli_prev->dar, lli_prev->llp,
+				   lli_prev->ctllo, lli_prev->ctlhi);*/
+			}
+			lli->llp = 0;
+			lli->ctllo = ctllo;
+			lli->ctlhi = ctlhi;
+			if (direction == DMA_TO_DEVICE) {
+				lli->sar = req->buffer_start + i*(block_size << req->width);
+				lli->dar = req->data_reg;
+			} else {
+				lli->sar = req->data_reg;
+				lli->dar = req->buffer_start + i*(block_size << req->width);
+			}
+			lli_prev = lli;
+		}
+		lli->llp = chan->block[0].lli_dma_addr;
+
+		/*printk(KERN_INFO "lli[%d] (0x%p/0x%x): 0x%x 0x%x 0x%x 0x%x 0x%x\n",
+		  i - 1, chan->block[i - 1].lli_vaddr,
+		  chan->block[i - 1].lli_dma_addr, lli_prev->sar,
+		  lli_prev->dar, lli_prev->llp,
+		  lli_prev->ctllo, lli_prev->ctlhi); */
+
+		/*
+		 * SAR, DAR and CTL are initialized from the LLI. We
+		 * only have to enable the LLI bits in CTL.
+		 */
+		dmac_chan_writel_lo(dmac, req->req.channel, LLP,
+				    chan->block[0].lli_dma_addr);
+		dmac_chan_writel_lo(dmac, req->req.channel, CTL, 1 << 28 | 1 << 27);
+	}
+
+	clear_channel_bit(dmac, MASK_XFER, req->req.channel);
+	set_channel_bit(dmac, MASK_ERROR, req->req.channel);
+	if (req->req.block_complete)
+		set_channel_bit(dmac, MASK_BLOCK, req->req.channel);
+	else
+		clear_channel_bit(dmac, MASK_BLOCK, req->req.channel);
+
+	return 0;
+
+out_unclaim_channel:
+	chan->state = CH_STATE_ALLOCATED;
+	return ret;
+}
+
+static int dmac_start_request(struct dma_controller *_dmac,
+			      unsigned int channel)
+{
+	struct dw_dma_controller *dmac = to_dw_dmac(_dmac);
+
+	BUG_ON(channel >= DMAC_NR_CHANNELS);
+
+	set_channel_bit(dmac, CH_EN, channel);
+
+	return 0;
+}
+
+static dma_addr_t dmac_get_current_pos(struct dma_controller *_dmac,
+                                       unsigned int channel)
+{
+	struct dw_dma_controller *dmac = to_dw_dmac(_dmac);
+	struct dw_dma_channel *chan;
+        dma_addr_t current_pos;
+
+	BUG_ON(channel >= DMAC_NR_CHANNELS);
+
+        chan = &dmac->channel[channel];
+
+	switch (chan->direction) {
+	case DMA_TO_DEVICE:
+		current_pos = dmac_chan_readl_lo(dmac, channel, SAR);
+		break;
+	case DMA_FROM_DEVICE:
+		current_pos = dmac_chan_readl_lo(dmac, channel, DAR);
+		break;
+	default:
+		return 0;
+	}
+
+
+        if (!current_pos) {
+		if (chan->is_cyclic) {
+			current_pos = chan->req_cyclic->buffer_start;
+		} else {
+			current_pos = chan->req_sg->sg->dma_address;
+		}
+	}
+
+	return current_pos;
+}
+
+
+static int dmac_stop_request(struct dma_controller *_dmac,
+                             unsigned int channel)
+{
+	struct dw_dma_controller *dmac = to_dw_dmac(_dmac);
+	struct dw_dma_channel *chan;
+
+	BUG_ON(channel >= DMAC_NR_CHANNELS);
+
+	chan = &dmac->channel[channel];
+	pr_debug("stop: st%u s%08x d%08x l%08x ctl0x%08x:0x%08x\n",
+		 chan->state, dmac_chan_readl_lo(dmac, channel, SAR),
+		 dmac_chan_readl_lo(dmac, channel, DAR),
+		 dmac_chan_readl_lo(dmac, channel, LLP),
+		 dmac_chan_readl_hi(dmac, channel, CTL),
+		 dmac_chan_readl_lo(dmac, channel, CTL));
+
+	if (chan->state == CH_STATE_BUSY) {
+		clear_channel_bit(dmac, CH_EN, channel);
+		cleanup_channel(dmac, &dmac->channel[channel]);
+	}
+
+	return 0;
+}
+
+
+static void dmac_block_complete(struct dw_dma_controller *dmac)
+{
+	struct dw_dma_channel *chan;
+	unsigned long status, chanid;
+
+	status = dmac_readl_lo(dmac, STATUS_BLOCK);
+
+	while (status) {
+		struct dma_request *req;
+		chanid = __ffs(status);
+		chan = &dmac->channel[chanid];
+
+                if (chan->is_cyclic) {
+			BUG_ON(!chan->req_cyclic
+			       || !chan->req_cyclic->req.block_complete);
+			req = &chan->req_cyclic->req;
+                } else {
+			BUG_ON(!chan->req_sg || !chan->req_sg->req.block_complete);
+			req = &chan->req_sg->req;
+                }
+		dmac_writel_lo(dmac, CLEAR_BLOCK, 1 << chanid);
+		req->block_complete(req);
+		status = dmac_readl_lo(dmac, STATUS_BLOCK);
+	}
+}
+
+static void dmac_xfer_complete(struct dw_dma_controller *dmac)
+{
+	struct dw_dma_channel *chan;
+	struct dma_request *req;
+	unsigned long status, chanid;
+
+	status = dmac_readl_lo(dmac, STATUS_XFER);
+
+	while (status) {
+		chanid = __ffs(status);
+		chan = &dmac->channel[chanid];
+
+		dmac_writel_lo(dmac, CLEAR_XFER, 1 << chanid);
+
+                req = &chan->req_sg->req;
+                BUG_ON(!req);
+                cleanup_channel(dmac, chan);
+                if (req->xfer_complete)
+			req->xfer_complete(req);
+
+		status = dmac_readl_lo(dmac, STATUS_XFER);
+	}
+}
+
+static void dmac_error(struct dw_dma_controller *dmac)
+{
+	struct dw_dma_channel *chan;
+	unsigned long status, chanid;
+
+	status = dmac_readl_lo(dmac, STATUS_ERROR);
+
+	while (status) {
+		struct dma_request *req;
+
+		chanid = __ffs(status);
+		chan = &dmac->channel[chanid];
+
+		dmac_writel_lo(dmac, CLEAR_ERROR, 1 << chanid);
+		clear_channel_bit(dmac, CH_EN, chanid);
+
+                if (chan->is_cyclic) {
+			BUG_ON(!chan->req_cyclic);
+			req = &chan->req_cyclic->req;
+                } else {
+			BUG_ON(!chan->req_sg);
+			req = &chan->req_sg->req;
+                }
+
+		cleanup_channel(dmac, chan);
+		if (req->error)
+			req->error(req);
+
+		status = dmac_readl_lo(dmac, STATUS_XFER);
+	}
+}
+
+static irqreturn_t dmac_interrupt(int irq, void *dev_id)
+{
+	struct dw_dma_controller *dmac = dev_id;
+	unsigned long status;
+	int ret = IRQ_NONE;
+
+	spin_lock(&dmac->lock);
+
+	status = dmac_readl_lo(dmac, STATUS_INT);
+
+	while (status) {
+		ret = IRQ_HANDLED;
+		if (status & 0x10)
+			dmac_error(dmac);
+		if (status & 0x02)
+			dmac_block_complete(dmac);
+		if (status & 0x01)
+			dmac_xfer_complete(dmac);
+
+		status = dmac_readl_lo(dmac, STATUS_INT);
+	}
+
+	spin_unlock(&dmac->lock);
+	return ret;
+}
+
+static int __devinit dmac_probe(struct platform_device *pdev)
+{
+	struct dw_dma_controller *dmac;
+	struct resource *regs;
+	int ret;
+
+	regs = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+	if (!regs)
+		return -ENXIO;
+
+	dmac = kmalloc(sizeof(*dmac), GFP_KERNEL);
+	if (!dmac)
+		return -ENOMEM;
+	memset(dmac, 0, sizeof(*dmac));
+
+	dmac->hclk = clk_get(&pdev->dev, "hclk");
+	if (IS_ERR(dmac->hclk)) {
+		ret = PTR_ERR(dmac->hclk);
+		goto out_free_dmac;
+	}
+	clk_enable(dmac->hclk);
+
+	ret = -ENOMEM;
+	dmac->lli_pool = dma_pool_create("dmac", &pdev->dev,
+					 sizeof(struct dw_dma_lli), 4, 0);
+	if (!dmac->lli_pool)
+		goto out_disable_clk;
+
+	spin_lock_init(&dmac->lock);
+	dmac->dma.dev = &pdev->dev;
+	dmac->dma.alloc_channel = dmac_alloc_channel;
+	dmac->dma.release_channel = dmac_release_channel;
+	dmac->dma.prepare_request_sg = dmac_prepare_request_sg;
+	dmac->dma.prepare_request_cyclic = dmac_prepare_request_cyclic;
+	dmac->dma.start_request = dmac_start_request;
+	dmac->dma.stop_request = dmac_stop_request;
+	dmac->dma.get_current_pos = dmac_get_current_pos;
+
+	dmac->regs = ioremap(regs->start, regs->end - regs->start + 1);
+	if (!dmac->regs)
+		goto out_free_pool;
+
+	ret = request_irq(platform_get_irq(pdev, 0), dmac_interrupt,
+			  IRQF_SAMPLE_RANDOM, pdev->name, dmac);
+	if (ret)
+		goto out_unmap_regs;
+
+	/* Enable the DMA controller */
+	dmac_writel_lo(dmac, CFG, 1);
+
+	register_dma_controller(&dmac->dma);
+
+	printk(KERN_INFO
+	       "dmac%d: DesignWare DMA controller at 0x%p irq %d\n",
+	       dmac->dma.id, dmac->regs, platform_get_irq(pdev, 0));
+
+	return 0;
+
+out_unmap_regs:
+	iounmap(dmac->regs);
+out_free_pool:
+	dma_pool_destroy(dmac->lli_pool);
+out_disable_clk:
+	clk_disable(dmac->hclk);
+	clk_put(dmac->hclk);
+out_free_dmac:
+	kfree(dmac);
+	return ret;
+}
+
+static struct platform_driver dmac_driver = {
+	.probe		= dmac_probe,
+	.driver		= {
+		.name		= "dmaca",
+	},
+};
+
+static int __init dmac_init(void)
+{
+	return platform_driver_register(&dmac_driver);
+}
+subsys_initcall(dmac_init);
+
+static void __exit dmac_exit(void)
+{
+	platform_driver_unregister(&dmac_driver);
+}
+module_exit(dmac_exit);
+
+MODULE_DESCRIPTION("Synopsys DesignWare DMA Controller driver");
+MODULE_AUTHOR("Haavard Skinnemoen <hskinnemoen@atmel.com>");
+MODULE_LICENSE("GPL");
diff -x .git -Nur linux-2.6.22.1/arch/avr32/drivers/dw-dmac.h linux-avr32.git/arch/avr32/drivers/dw-dmac.h
--- linux-2.6.22.1/arch/avr32/drivers/dw-dmac.h	1970-01-01 01:00:00.000000000 +0100
+++ linux-avr32.git/arch/avr32/drivers/dw-dmac.h	2007-06-06 11:33:46.000000000 +0200
@@ -0,0 +1,42 @@
+/*
+ * Driver for the Synopsys DesignWare DMA Controller
+ *
+ * Copyright (C) 2005-2006 Atmel Corporation
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+#ifndef __AVR32_DW_DMAC_H__
+#define __AVR32_DW_DMAC_H__
+
+#define DW_DMAC_CFG		0x398
+#define DW_DMAC_CH_EN		0x3a0
+
+#define DW_DMAC_STATUS_XFER	0x2e8
+#define DW_DMAC_STATUS_BLOCK	0x2f0
+#define DW_DMAC_STATUS_ERROR	0x308
+
+#define DW_DMAC_MASK_XFER	0x310
+#define DW_DMAC_MASK_BLOCK	0x318
+#define DW_DMAC_MASK_ERROR	0x330
+
+#define DW_DMAC_CLEAR_XFER	0x338
+#define DW_DMAC_CLEAR_BLOCK	0x340
+#define DW_DMAC_CLEAR_ERROR	0x358
+
+#define DW_DMAC_STATUS_INT	0x360
+
+#define DW_DMAC_CHAN_SAR	0x000
+#define DW_DMAC_CHAN_DAR	0x008
+#define DW_DMAC_CHAN_LLP	0x010
+#define DW_DMAC_CHAN_CTL	0x018
+#define DW_DMAC_CHAN_SSTAT	0x020
+#define DW_DMAC_CHAN_DSTAT	0x028
+#define DW_DMAC_CHAN_SSTATAR	0x030
+#define DW_DMAC_CHAN_DSTATAR	0x038
+#define DW_DMAC_CHAN_CFG	0x040
+#define DW_DMAC_CHAN_SGR	0x048
+#define DW_DMAC_CHAN_DSR	0x050
+
+#endif /* __AVR32_DW_DMAC_H__ */
diff -x .git -Nur linux-2.6.22.1/arch/avr32/drivers/Makefile linux-avr32.git/arch/avr32/drivers/Makefile
--- linux-2.6.22.1/arch/avr32/drivers/Makefile	1970-01-01 01:00:00.000000000 +0100
+++ linux-avr32.git/arch/avr32/drivers/Makefile	2007-06-06 11:33:46.000000000 +0200
@@ -0,0 +1 @@
+obj-$(CONFIG_DW_DMAC)			+= dw-dmac.o
diff -x .git -Nur linux-2.6.22.1/arch/avr32/Kconfig linux-avr32.git/arch/avr32/Kconfig
--- linux-2.6.22.1/arch/avr32/Kconfig	2007-07-10 20:56:30.000000000 +0200
+++ linux-avr32.git/arch/avr32/Kconfig	2007-07-13 11:24:16.000000000 +0200
@@ -113,6 +113,13 @@
 	bool "ATNGW100 Network Gateway"
 endchoice
 
+if BOARD_ATSTK1000
+source "arch/avr32/boards/atstk1000/Kconfig"
+endif
+if BOARD_ATNGW100
+source "arch/avr32/boards/atngw100/Kconfig"
+endif
+
 choice
 	prompt "Boot loader type"
 	default LOADER_U_BOOT
@@ -171,6 +178,10 @@
 	  enabling Nexus-compliant debuggers to keep track of the PID of the
 	  currently executing task.
 
+config DW_DMAC
+	tristate "Synopsys DesignWare DMA Controller support"
+	default y if CPU_AT32AP7000
+
 # FPU emulation goes here
 
 source "kernel/Kconfig.hz"
@@ -185,6 +196,27 @@
 
 endmenu
 
+menu "Power managment options"
+
+menu "CPU Frequency scaling"
+
+source "drivers/cpufreq/Kconfig"
+
+config CPU_FREQ_AT32AP
+	bool "CPU frequency driver for AT32AP"
+	depends on CPU_FREQ && PLATFORM_AT32AP
+	default n
+	help
+	  This enables the CPU frequency driver for AT32AP processors.
+
+	  For details, take a look in <file:Documentation/cpu-freq>.
+
+	  If in doubt, say N.
+
+endmenu
+
+endmenu
+
 menu "Bus options"
 
 config PCI
diff -x .git -Nur linux-2.6.22.1/arch/avr32/kernel/dma-controller.c linux-avr32.git/arch/avr32/kernel/dma-controller.c
--- linux-2.6.22.1/arch/avr32/kernel/dma-controller.c	1970-01-01 01:00:00.000000000 +0100
+++ linux-avr32.git/arch/avr32/kernel/dma-controller.c	2007-06-06 11:33:46.000000000 +0200
@@ -0,0 +1,34 @@
+/*
+ * Preliminary DMA controller framework for AVR32
+ *
+ * Copyright (C) 2005-2006 Atmel Corporation
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+#include <asm/dma-controller.h>
+
+static LIST_HEAD(controllers);
+
+int register_dma_controller(struct dma_controller *dmac)
+{
+	static int next_id;
+
+	dmac->id = next_id++;
+	list_add_tail(&dmac->list, &controllers);
+
+	return 0;
+}
+EXPORT_SYMBOL(register_dma_controller);
+
+struct dma_controller *find_dma_controller(int id)
+{
+	struct dma_controller *dmac;
+
+	list_for_each_entry(dmac, &controllers, list)
+		if (dmac->id == id)
+			return dmac;
+	return NULL;
+}
+EXPORT_SYMBOL(find_dma_controller);
diff -x .git -Nur linux-2.6.22.1/arch/avr32/kernel/Makefile linux-avr32.git/arch/avr32/kernel/Makefile
--- linux-2.6.22.1/arch/avr32/kernel/Makefile	2007-07-10 20:56:30.000000000 +0200
+++ linux-avr32.git/arch/avr32/kernel/Makefile	2007-06-06 11:33:46.000000000 +0200
@@ -9,6 +9,7 @@
 obj-y				+= setup.o traps.o semaphore.o ptrace.o
 obj-y				+= signal.o sys_avr32.o process.o time.o
 obj-y				+= init_task.o switch_to.o cpu.o
+obj-y				+= dma-controller.o
 obj-$(CONFIG_MODULES)		+= module.o avr32_ksyms.o
 obj-$(CONFIG_KPROBES)		+= kprobes.o
 
diff -x .git -Nur linux-2.6.22.1/arch/avr32/mach-at32ap/at32ap7000.c linux-avr32.git/arch/avr32/mach-at32ap/at32ap7000.c
--- linux-2.6.22.1/arch/avr32/mach-at32ap/at32ap7000.c	2007-07-10 20:56:30.000000000 +0200
+++ linux-avr32.git/arch/avr32/mach-at32ap/at32ap7000.c	2007-07-12 13:59:49.000000000 +0200
@@ -17,14 +17,20 @@
 #include <asm/arch/at32ap7000.h>
 #include <asm/arch/board.h>
 #include <asm/arch/portmux.h>
-#include <asm/arch/sm.h>
 
 #include <video/atmel_lcdc.h>
 
 #include "clock.h"
 #include "hmatrix.h"
 #include "pio.h"
-#include "sm.h"
+#include "pm.h"
+
+/*
+ * We can reduce the code size a bit by using a constant here. Since
+ * this file is completely chip-specific, it's safe to not use
+ * ioremap. Generic drivers should of course never do this.
+ */
+#define AT32_PM_BASE	0xfff00000
 
 #define PBMEM(base)					\
 	{						\
@@ -88,6 +94,8 @@
 	.index		= _index,				\
 }
 
+static DEFINE_SPINLOCK(pm_lock);
+
 unsigned long at32ap7000_osc_rates[3] = {
 	[0] = 32768,
 	/* FIXME: these are ATSTK1002-specific */
@@ -104,11 +112,11 @@
 {
 	unsigned long div, mul, rate;
 
-	if (!(control & SM_BIT(PLLEN)))
+	if (!(control & PM_BIT(PLLEN)))
 		return 0;
 
-	div = SM_BFEXT(PLLDIV, control) + 1;
-	mul = SM_BFEXT(PLLMUL, control) + 1;
+	div = PM_BFEXT(PLLDIV, control) + 1;
+	mul = PM_BFEXT(PLLMUL, control) + 1;
 
 	rate = clk->parent->get_rate(clk->parent);
 	rate = (rate + div / 2) / div;
@@ -121,7 +129,7 @@
 {
 	u32 control;
 
-	control = sm_readl(&system_manager, PM_PLL0);
+	control = pm_readl(PLL0);
 
 	return pll_get_rate(clk, control);
 }
@@ -130,7 +138,7 @@
 {
 	u32 control;
 
-	control = sm_readl(&system_manager, PM_PLL1);
+	control = pm_readl(PLL1);
 
 	return pll_get_rate(clk, control);
 }
@@ -187,108 +195,139 @@
 
 static void cpu_clk_mode(struct clk *clk, int enabled)
 {
-	struct at32_sm *sm = &system_manager;
 	unsigned long flags;
 	u32 mask;
 
-	spin_lock_irqsave(&sm->lock, flags);
-	mask = sm_readl(sm, PM_CPU_MASK);
+	spin_lock_irqsave(&pm_lock, flags);
+	mask = pm_readl(CPU_MASK);
 	if (enabled)
 		mask |= 1 << clk->index;
 	else
 		mask &= ~(1 << clk->index);
-	sm_writel(sm, PM_CPU_MASK, mask);
-	spin_unlock_irqrestore(&sm->lock, flags);
+	pm_writel(CPU_MASK, mask);
+	spin_unlock_irqrestore(&pm_lock, flags);
 }
 
 static unsigned long cpu_clk_get_rate(struct clk *clk)
 {
 	unsigned long cksel, shift = 0;
 
-	cksel = sm_readl(&system_manager, PM_CKSEL);
-	if (cksel & SM_BIT(CPUDIV))
-		shift = SM_BFEXT(CPUSEL, cksel) + 1;
+	cksel = pm_readl(CKSEL);
+	if (cksel & PM_BIT(CPUDIV))
+		shift = PM_BFEXT(CPUSEL, cksel) + 1;
 
 	return bus_clk_get_rate(clk, shift);
 }
 
+static long cpu_clk_set_rate(struct clk *clk, unsigned long rate, int apply)
+{
+	u32 control;
+	unsigned long parent_rate, child_div, actual_rate, div;
+
+	parent_rate = clk->parent->get_rate(clk->parent);
+	control = pm_readl(CKSEL);
+
+	if (control & PM_BIT(HSBDIV))
+		child_div = 1 << (PM_BFEXT(HSBSEL, control) + 1);
+	else
+		child_div = 1;
+
+	if (rate > 3 * (parent_rate / 4) || child_div == 1) {
+		actual_rate = parent_rate;
+		control &= ~PM_BIT(CPUDIV);
+	} else {
+		unsigned int cpusel;
+		div = (parent_rate + rate / 2) / rate;
+		if (div > child_div)
+			div = child_div;
+		cpusel = (div > 1) ? (fls(div) - 2) : 0;
+		control = PM_BIT(CPUDIV) | PM_BFINS(CPUSEL, cpusel, control);
+		actual_rate = parent_rate / (1 << (cpusel + 1));
+	}
+
+	pr_debug("clk %s: new rate %lu (actual rate %lu)\n",
+			clk->name, rate, actual_rate);
+
+	if (apply)
+		pm_writel(CKSEL, control);
+
+	return actual_rate;
+}
+
 static void hsb_clk_mode(struct clk *clk, int enabled)
 {
-	struct at32_sm *sm = &system_manager;
 	unsigned long flags;
 	u32 mask;
 
-	spin_lock_irqsave(&sm->lock, flags);
-	mask = sm_readl(sm, PM_HSB_MASK);
+	spin_lock_irqsave(&pm_lock, flags);
+	mask = pm_readl(HSB_MASK);
 	if (enabled)
 		mask |= 1 << clk->index;
 	else
 		mask &= ~(1 << clk->index);
-	sm_writel(sm, PM_HSB_MASK, mask);
-	spin_unlock_irqrestore(&sm->lock, flags);
+	pm_writel(HSB_MASK, mask);
+	spin_unlock_irqrestore(&pm_lock, flags);
 }
 
 static unsigned long hsb_clk_get_rate(struct clk *clk)
 {
 	unsigned long cksel, shift = 0;
 
-	cksel = sm_readl(&system_manager, PM_CKSEL);
-	if (cksel & SM_BIT(HSBDIV))
-		shift = SM_BFEXT(HSBSEL, cksel) + 1;
+	cksel = pm_readl(CKSEL);
+	if (cksel & PM_BIT(HSBDIV))
+		shift = PM_BFEXT(HSBSEL, cksel) + 1;
 
 	return bus_clk_get_rate(clk, shift);
 }
 
 static void pba_clk_mode(struct clk *clk, int enabled)
 {
-	struct at32_sm *sm = &system_manager;
 	unsigned long flags;
 	u32 mask;
 
-	spin_lock_irqsave(&sm->lock, flags);
-	mask = sm_readl(sm, PM_PBA_MASK);
+	spin_lock_irqsave(&pm_lock, flags);
+	mask = pm_readl(PBA_MASK);
 	if (enabled)
 		mask |= 1 << clk->index;
 	else
 		mask &= ~(1 << clk->index);
-	sm_writel(sm, PM_PBA_MASK, mask);
-	spin_unlock_irqrestore(&sm->lock, flags);
+	pm_writel(PBA_MASK, mask);
+	spin_unlock_irqrestore(&pm_lock, flags);
 }
 
 static unsigned long pba_clk_get_rate(struct clk *clk)
 {
 	unsigned long cksel, shift = 0;
 
-	cksel = sm_readl(&system_manager, PM_CKSEL);
-	if (cksel & SM_BIT(PBADIV))
-		shift = SM_BFEXT(PBASEL, cksel) + 1;
+	cksel = pm_readl(CKSEL);
+	if (cksel & PM_BIT(PBADIV))
+		shift = PM_BFEXT(PBASEL, cksel) + 1;
 
 	return bus_clk_get_rate(clk, shift);
 }
 
 static void pbb_clk_mode(struct clk *clk, int enabled)
 {
-	struct at32_sm *sm = &system_manager;
 	unsigned long flags;
 	u32 mask;
 
-	spin_lock_irqsave(&sm->lock, flags);
-	mask = sm_readl(sm, PM_PBB_MASK);
+	spin_lock_irqsave(&pm_lock, flags);
+	mask = pm_readl(PBB_MASK);
 	if (enabled)
 		mask |= 1 << clk->index;
 	else
 		mask &= ~(1 << clk->index);
-	sm_writel(sm, PM_PBB_MASK, mask);
-	spin_unlock_irqrestore(&sm->lock, flags);
+	pm_writel(PBB_MASK, mask);
+	spin_unlock_irqrestore(&pm_lock, flags);
 }
 
 static unsigned long pbb_clk_get_rate(struct clk *clk)
 {
 	unsigned long cksel, shift = 0;
 
-	cksel = sm_readl(&system_manager, PM_CKSEL);
-	if (cksel & SM_BIT(PBBDIV))
-		shift = SM_BFEXT(PBBSEL, cksel) + 1;
+	cksel = pm_readl(CKSEL);
+	if (cksel & PM_BIT(PBBDIV))
+		shift = PM_BFEXT(PBBSEL, cksel) + 1;
 
 	return bus_clk_get_rate(clk, shift);
 }
@@ -296,6 +335,7 @@
 static struct clk cpu_clk = {
 	.name		= "cpu",
 	.get_rate	= cpu_clk_get_rate,
+	.set_rate	= cpu_clk_set_rate,
 	.users		= 1,
 };
 static struct clk hsb_clk = {
@@ -327,12 +367,12 @@
 {
 	u32 control;
 
-	control = sm_readl(&system_manager, PM_GCCTRL + 4 * clk->index);
+	control = pm_readl(GCCTRL(clk->index));
 	if (enabled)
-		control |= SM_BIT(CEN);
+		control |= PM_BIT(CEN);
 	else
-		control &= ~SM_BIT(CEN);
-	sm_writel(&system_manager, PM_GCCTRL + 4 * clk->index, control);
+		control &= ~PM_BIT(CEN);
+	pm_writel(GCCTRL(clk->index), control);
 }
 
 static unsigned long genclk_get_rate(struct clk *clk)
@@ -340,9 +380,9 @@
 	u32 control;
 	unsigned long div = 1;
 
-	control = sm_readl(&system_manager, PM_GCCTRL + 4 * clk->index);
-	if (control & SM_BIT(DIVEN))
-		div = 2 * (SM_BFEXT(DIV, control) + 1);
+	control = pm_readl(GCCTRL(clk->index));
+	if (control & PM_BIT(DIVEN))
+		div = 2 * (PM_BFEXT(DIV, control) + 1);
 
 	return clk->parent->get_rate(clk->parent) / div;
 }
@@ -353,23 +393,22 @@
 	unsigned long parent_rate, actual_rate, div;
 
 	parent_rate = clk->parent->get_rate(clk->parent);
-	control = sm_readl(&system_manager, PM_GCCTRL + 4 * clk->index);
+	control = pm_readl(GCCTRL(clk->index));
 
 	if (rate > 3 * parent_rate / 4) {
 		actual_rate = parent_rate;
-		control &= ~SM_BIT(DIVEN);
+		control &= ~PM_BIT(DIVEN);
 	} else {
 		div = (parent_rate + rate) / (2 * rate) - 1;
-		control = SM_BFINS(DIV, div, control) | SM_BIT(DIVEN);
+		control = PM_BFINS(DIV, div, control) | PM_BIT(DIVEN);
 		actual_rate = parent_rate / (2 * (div + 1));
 	}
 
-	printk("clk %s: new rate %lu (actual rate %lu)\n",
-	       clk->name, rate, actual_rate);
+	dev_dbg(clk->dev, "clk %s: new rate %lu (actual rate %lu)\n",
+		clk->name, rate, actual_rate);
 
 	if (apply)
-		sm_writel(&system_manager, PM_GCCTRL + 4 * clk->index,
-			  control);
+		pm_writel(GCCTRL(clk->index), control);
 
 	return actual_rate;
 }
@@ -378,24 +417,24 @@
 {
 	u32 control;
 
-	printk("clk %s: new parent %s (was %s)\n",
-	       clk->name, parent->name, clk->parent->name);
+	dev_dbg(clk->dev, "clk %s: new parent %s (was %s)\n",
+		clk->name, parent->name, clk->parent->name);
 
-	control = sm_readl(&system_manager, PM_GCCTRL + 4 * clk->index);
+	control = pm_readl(GCCTRL(clk->index));
 
 	if (parent == &osc1 || parent == &pll1)
-		control |= SM_BIT(OSCSEL);
+		control |= PM_BIT(OSCSEL);
 	else if (parent == &osc0 || parent == &pll0)
-		control &= ~SM_BIT(OSCSEL);
+		control &= ~PM_BIT(OSCSEL);
 	else
 		return -EINVAL;
 
 	if (parent == &pll0 || parent == &pll1)
-		control |= SM_BIT(PLLSEL);
+		control |= PM_BIT(PLLSEL);
 	else
-		control &= ~SM_BIT(PLLSEL);
+		control &= ~PM_BIT(PLLSEL);
 
-	sm_writel(&system_manager, PM_GCCTRL + 4 * clk->index, control);
+	pm_writel(GCCTRL(clk->index), control);
 	clk->parent = parent;
 
 	return 0;
@@ -408,11 +447,11 @@
 
 	BUG_ON(clk->index > 7);
 
-	control = sm_readl(&system_manager, PM_GCCTRL + 4 * clk->index);
-	if (control & SM_BIT(OSCSEL))
-		parent = (control & SM_BIT(PLLSEL)) ? &pll1 : &osc1;
+	control = pm_readl(GCCTRL(clk->index));
+	if (control & PM_BIT(OSCSEL))
+		parent = (control & PM_BIT(PLLSEL)) ? &pll1 : &osc1;
 	else
-		parent = (control & SM_BIT(PLLSEL)) ? &pll0 : &osc0;
+		parent = (control & PM_BIT(PLLSEL)) ? &pll0 : &osc0;
 
 	clk->parent = parent;
 }
@@ -420,21 +459,53 @@
 /* --------------------------------------------------------------------
  *  System peripherals
  * -------------------------------------------------------------------- */
-static struct resource sm_resource[] = {
-	PBMEM(0xfff00000),
-	NAMED_IRQ(19, "eim"),
-	NAMED_IRQ(20, "pm"),
-	NAMED_IRQ(21, "rtc"),
+static struct resource at32_pm0_resource[] = {
+	{
+		.start	= 0xfff00000,
+		.end	= 0xfff0007f,
+		.flags	= IORESOURCE_MEM,
+	},
+	IRQ(20),
 };
-struct platform_device at32_sm_device = {
-	.name		= "sm",
-	.id		= 0,
-	.resource	= sm_resource,
-	.num_resources	= ARRAY_SIZE(sm_resource),
+
+static struct resource at32ap700x_rtc0_resource[] = {
+	{
+		.start	= 0xfff00080,
+		.end	= 0xfff000af,
+		.flags	= IORESOURCE_MEM,
+	},
+	IRQ(21),
+};
+
+static struct resource at32_wdt0_resource[] = {
+	{
+		.start	= 0xfff000b0,
+		.end	= 0xfff000bf,
+		.flags	= IORESOURCE_MEM,
+	},
+};
+
+static struct resource at32_eic0_resource[] = {
+	{
+		.start	= 0xfff00100,
+		.end	= 0xfff0013f,
+		.flags	= IORESOURCE_MEM,
+	},
+	IRQ(19),
 };
-static struct clk at32_sm_pclk = {
+
+DEFINE_DEV(at32_pm, 0);
+DEFINE_DEV(at32ap700x_rtc, 0);
+DEFINE_DEV(at32_wdt, 0);
+DEFINE_DEV(at32_eic, 0);
+
+/*
+ * Peripheral clock for PM, RTC, WDT and EIC. PM will ensure that this
+ * is always running.
+ */
+static struct clk at32_pm_pclk = {
 	.name		= "pclk",
-	.dev		= &at32_sm_device.dev,
+	.dev		= &at32_pm0_device.dev,
 	.parent		= &pbb_clk,
 	.mode		= pbb_clk_mode,
 	.get_rate	= pbb_clk_get_rate,
@@ -491,6 +562,17 @@
 	.users		= 1,
 };
 
+static struct resource dmaca0_resource[] = {
+	{
+		.start	= 0xff200000,
+		.end	= 0xff20ffff,
+		.flags	= IORESOURCE_MEM,
+	},
+	IRQ(2),
+};
+DEFINE_DEV(dmaca, 0);
+DEV_CLK(hclk, dmaca0, hsb, 10);
+
 /* --------------------------------------------------------------------
  * HMATRIX
  * -------------------------------------------------------------------- */
@@ -583,12 +665,14 @@
 
 void __init at32_add_system_devices(void)
 {
-	system_manager.eim_first_irq = EIM_IRQ_BASE;
-
-	platform_device_register(&at32_sm_device);
+	platform_device_register(&at32_pm0_device);
 	platform_device_register(&at32_intc0_device);
+	platform_device_register(&at32ap700x_rtc0_device);
+	platform_device_register(&at32_wdt0_device);
+	platform_device_register(&at32_eic0_device);
 	platform_device_register(&smc0_device);
 	platform_device_register(&pdc_device);
+	platform_device_register(&dmaca0_device);
 
 	platform_device_register(&at32_systc0_device);
 
@@ -894,6 +978,83 @@
 }
 
 /* --------------------------------------------------------------------
+ *  TWI
+ * -------------------------------------------------------------------- */
+
+static struct resource atmel_twi0_resource[] = {
+	PBMEM(0xffe00800),
+	IRQ(5),
+};
+DEFINE_DEV(atmel_twi, 0);
+DEV_CLK(pclk,atmel_twi0,pba,2);
+
+struct platform_device *__init
+at32_add_device_twi(unsigned int id)
+{
+	struct platform_device *pdev;
+
+	switch (id) {
+	case 0:
+		pdev = &atmel_twi0_device;
+		select_peripheral(PA(6),  PERIPH_A, 0);	/* SDA	*/
+		select_peripheral(PA(7),  PERIPH_A, 0);	/* SCL	*/
+		break;
+
+	default:
+		return NULL;
+	}
+
+	platform_device_register(pdev);
+	return pdev;
+}
+
+/* --------------------------------------------------------------------
+ * MMC
+ * -------------------------------------------------------------------- */
+static struct mci_platform_data atmel_mci0_data = {
+	.detect_pin	= GPIO_PIN_NONE,
+	.wp_pin		= GPIO_PIN_NONE,
+};
+static struct resource atmel_mci0_resource[] = {
+	PBMEM(0xfff02400),
+	IRQ(28),
+};
+DEFINE_DEV_DATA(atmel_mci, 0);
+DEV_CLK(mci_clk, atmel_mci0, pbb, 9);
+
+struct platform_device *__init
+at32_add_device_mci(unsigned int id, struct mci_platform_data *data)
+{
+	struct platform_device *pdev;
+
+	switch (id) {
+	case 0:
+		pdev = &atmel_mci0_device;
+		select_peripheral(PA(10), PERIPH_A, 0);	/* CLK	 */
+		select_peripheral(PA(11), PERIPH_A, 0);	/* CMD	 */
+		select_peripheral(PA(12), PERIPH_A, 0);	/* DATA0 */
+		select_peripheral(PA(13), PERIPH_A, 0);	/* DATA1 */
+		select_peripheral(PA(14), PERIPH_A, 0);	/* DATA2 */
+		select_peripheral(PA(15), PERIPH_A, 0);	/* DATA3 */
+		break;
+	default:
+		return NULL;
+	}
+
+	if (data) {
+		if (data->detect_pin != GPIO_PIN_NONE)
+			at32_select_gpio(data->detect_pin, 0);
+		if (data->wp_pin != GPIO_PIN_NONE)
+			at32_select_gpio(data->wp_pin, 0);
+		memcpy(pdev->dev.platform_data, data,
+		       sizeof(struct mci_platform_data));
+	}
+
+	platform_device_register(pdev);
+	return pdev;
+}
+
+/* --------------------------------------------------------------------
  *  LCDC
  * -------------------------------------------------------------------- */
 static struct atmel_lcdfb_info atmel_lcdfb0_data;
@@ -1013,6 +1174,228 @@
 }
 
 /* --------------------------------------------------------------------
+ *  USB Device Controller
+ * -------------------------------------------------------------------- */
+static struct resource usba0_resource[] __initdata = {
+	{
+		.name		= "fifo",
+		.start		= 0xff300000,
+		.end		= 0xff3fffff,
+		.flags		= IORESOURCE_MEM,
+	}, {
+		.name		= "regs",
+		.start		= 0xfff03000,
+		.end		= 0xfff033ff,
+		.flags		= IORESOURCE_MEM,
+	},
+	IRQ(31),
+};
+static struct clk usba0_pclk = {
+	.name		= "pclk",
+	.parent		= &pbb_clk,
+	.mode		= pbb_clk_mode,
+	.get_rate	= pbb_clk_get_rate,
+	.index		= 12,
+};
+static struct clk usba0_hclk = {
+	.name		= "hclk",
+	.parent		= &hsb_clk,
+	.mode		= hsb_clk_mode,
+	.get_rate	= hsb_clk_get_rate,
+	.index		= 6,
+};
+
+struct platform_device *__init
+at32_add_device_usba(unsigned int id, struct usba_platform_data *data)
+{
+	struct platform_device *pdev;
+
+	if (id != 0)
+		return NULL;
+
+	pdev = platform_device_alloc("atmel_usba_udc", 0);
+	if (!pdev)
+		return NULL;
+
+	if (platform_device_add_resources(pdev, usba0_resource,
+					  ARRAY_SIZE(usba0_resource)))
+		goto out_free_pdev;
+
+	if (data) {
+		if (platform_device_add_data(pdev, data, sizeof(*data)))
+			goto out_free_pdev;
+
+		if (data->vbus_pin != GPIO_PIN_NONE)
+			at32_select_gpio(data->vbus_pin, 0);
+	}
+
+	usba0_pclk.dev = &pdev->dev;
+	usba0_hclk.dev = &pdev->dev;
+
+	platform_device_add(pdev);
+
+	return pdev;
+
+out_free_pdev:
+	platform_device_put(pdev);
+	return NULL;
+}
+
+/* --------------------------------------------------------------------
+ *  SSC
+ * -------------------------------------------------------------------- */
+static struct resource ssc0_resource[] = {
+	PBMEM(0xffe01c00),
+	IRQ(10),
+};
+DEFINE_DEV(ssc, 0);
+DEV_CLK(pclk, ssc0, pba, 7);
+
+static struct resource ssc1_resource[] = {
+	PBMEM(0xffe02000),
+	IRQ(11),
+};
+DEFINE_DEV(ssc, 1);
+DEV_CLK(pclk, ssc1, pba, 8);
+
+static struct resource ssc2_resource[] = {
+	PBMEM(0xffe02400),
+	IRQ(12),
+};
+DEFINE_DEV(ssc, 2);
+DEV_CLK(pclk, ssc2, pba, 9);
+
+struct platform_device *__init
+at32_add_device_ssc(unsigned int id, unsigned int flags)
+{
+	struct platform_device *pdev;
+
+	switch (id) {
+	case 0:
+		pdev = &ssc0_device;
+		if (flags & ATMEL_SSC_RF)
+			select_peripheral(PA(21), PERIPH_A, 0);	/* RF */
+		if (flags & ATMEL_SSC_RK)
+			select_peripheral(PA(22), PERIPH_A, 0);	/* RK */
+		if (flags & ATMEL_SSC_TK)
+			select_peripheral(PA(23), PERIPH_A, 0);	/* TK */
+		if (flags & ATMEL_SSC_TF)
+			select_peripheral(PA(24), PERIPH_A, 0);	/* TF */
+		if (flags & ATMEL_SSC_TD)
+			select_peripheral(PA(25), PERIPH_A, 0);	/* TD */
+		if (flags & ATMEL_SSC_RD)
+			select_peripheral(PA(26), PERIPH_A, 0);	/* RD */
+		break;
+	case 1:
+		pdev = &ssc1_device;
+		if (flags & ATMEL_SSC_RF)
+			select_peripheral(PA(0), PERIPH_B, 0);	/* RF */
+		if (flags & ATMEL_SSC_RK)
+			select_peripheral(PA(1), PERIPH_B, 0);	/* RK */
+		if (flags & ATMEL_SSC_TK)
+			select_peripheral(PA(2), PERIPH_B, 0);	/* TK */
+		if (flags & ATMEL_SSC_TF)
+			select_peripheral(PA(3), PERIPH_B, 0);	/* TF */
+		if (flags & ATMEL_SSC_TD)
+			select_peripheral(PA(4), PERIPH_B, 0);	/* TD */
+		if (flags & ATMEL_SSC_RD)
+			select_peripheral(PA(5), PERIPH_B, 0);	/* RD */
+		break;
+	case 2:
+		pdev = &ssc2_device;
+		if (flags & ATMEL_SSC_TD)
+			select_peripheral(PB(13), PERIPH_A, 0);	/* TD */
+		if (flags & ATMEL_SSC_RD)
+			select_peripheral(PB(14), PERIPH_A, 0);	/* RD */
+		if (flags & ATMEL_SSC_TK)
+			select_peripheral(PB(15), PERIPH_A, 0);	/* TK */
+		if (flags & ATMEL_SSC_TF)
+			select_peripheral(PB(16), PERIPH_A, 0);	/* TF */
+		if (flags & ATMEL_SSC_RF)
+			select_peripheral(PB(17), PERIPH_A, 0);	/* RF */
+		if (flags & ATMEL_SSC_RK)
+			select_peripheral(PB(18), PERIPH_A, 0);	/* RK */
+		break;
+	default:
+		return NULL;
+	}
+
+	platform_device_register(pdev);
+	return pdev;
+}
+
+/* --------------------------------------------------------------------
+ *  AC97C
+ * -------------------------------------------------------------------- */
+static struct resource atmel_ac97c0_resource[] = {
+	PBMEM(0xfff02800),
+	IRQ(29),
+};
+DEFINE_DEV(atmel_ac97c, 0);
+DEV_CLK(pclk, atmel_ac97c0, pbb, 10);
+
+struct platform_device *__init
+at32_add_device_ac97c(unsigned int id)
+{
+	struct platform_device *pdev;
+
+	switch (id) {
+	case 0:
+		pdev = &atmel_ac97c0_device;
+		select_peripheral(PB(20), PERIPH_B, 0);	/* SYNC	*/
+		select_peripheral(PB(21), PERIPH_B, 0);	/* SDO	*/
+		select_peripheral(PB(22), PERIPH_B, 0);	/* SDI	*/
+		select_peripheral(PB(23), PERIPH_B, 0);	/* SCLK	*/
+		break;
+	default:
+		return NULL;
+	}
+
+	platform_device_register(pdev);
+	return pdev;
+}
+
+/* --------------------------------------------------------------------
+ *  DAC
+ * -------------------------------------------------------------------- */
+static struct resource abdac0_resource[] = {
+	PBMEM(0xfff02000),
+	IRQ(27),
+};
+DEFINE_DEV(abdac, 0);
+DEV_CLK(pclk, abdac0, pbb, 8);
+static struct clk abdac0_sample_clk = {
+	.name           = "sample_clk",
+	.dev            = &abdac0_device.dev,
+	.mode           = genclk_mode,
+	.get_rate       = genclk_get_rate,
+	.set_rate       = genclk_set_rate,
+	.set_parent     = genclk_set_parent,
+	.index          = 6,
+};
+
+struct platform_device *__init
+at32_add_device_abdac(unsigned int id)
+{
+	struct platform_device *pdev;
+
+	switch (id) {
+	case 0:
+		pdev = &abdac0_device;
+		select_peripheral(PB(20), PERIPH_A, 0);	/* DATA1	*/
+		select_peripheral(PB(21), PERIPH_A, 0);	/* DATA0	*/
+		select_peripheral(PB(22), PERIPH_A, 0);	/* DATAN1	*/
+		select_peripheral(PB(23), PERIPH_A, 0);	/* DATAN0	*/
+		break;
+	default:
+		return NULL;
+	}
+
+	platform_device_register(pdev);
+	return pdev;
+}
+
+/* --------------------------------------------------------------------
  *  GCLK
  * -------------------------------------------------------------------- */
 static struct clk gclk0 = {
@@ -1066,7 +1449,7 @@
 	&hsb_clk,
 	&pba_clk,
 	&pbb_clk,
-	&at32_sm_pclk,
+	&at32_pm_pclk,
 	&at32_intc0_pclk,
 	&hmatrix_clk,
 	&ebi_clk,
@@ -1075,6 +1458,7 @@
 	&smc0_mck,
 	&pdc_hclk,
 	&pdc_pclk,
+	&dmaca0_hclk,
 	&pico_clk,
 	&pio0_mck,
 	&pio1_mck,
@@ -1092,8 +1476,18 @@
 	&macb1_pclk,
 	&atmel_spi0_spi_clk,
 	&atmel_spi1_spi_clk,
+	&atmel_twi0_pclk,
+	&atmel_mci0_mci_clk,
 	&atmel_lcdfb0_hck1,
 	&atmel_lcdfb0_pixclk,
+	&usba0_pclk,
+	&usba0_hclk,
+	&ssc0_pclk,
+	&ssc1_pclk,
+	&ssc2_pclk,
+	&atmel_ac97c0_pclk,
+	&abdac0_pclk,
+	&abdac0_sample_clk,
 	&gclk0,
 	&gclk1,
 	&gclk2,
@@ -1113,18 +1507,20 @@
 
 void __init at32_clock_init(void)
 {
-	struct at32_sm *sm = &system_manager;
 	u32 cpu_mask = 0, hsb_mask = 0, pba_mask = 0, pbb_mask = 0;
 	int i;
 
-	if (sm_readl(sm, PM_MCCTRL) & SM_BIT(PLLSEL))
+	if (pm_readl(MCCTRL) & PM_BIT(PLLSEL)) {
 		main_clock = &pll0;
-	else
+		cpu_clk.parent = &pll0;
+	} else {
 		main_clock = &osc0;
+		cpu_clk.parent = &osc0;
+	}
 
-	if (sm_readl(sm, PM_PLL0) & SM_BIT(PLLOSC))
+	if (pm_readl(PLL0) & PM_BIT(PLLOSC))
 		pll0.parent = &osc1;
-	if (sm_readl(sm, PM_PLL1) & SM_BIT(PLLOSC))
+	if (pm_readl(PLL1) & PM_BIT(PLLOSC))
 		pll1.parent = &osc1;
 
 	genclk_init_parent(&gclk0);
@@ -1133,6 +1529,7 @@
 	genclk_init_parent(&gclk3);
 	genclk_init_parent(&gclk4);
 	genclk_init_parent(&atmel_lcdfb0_pixclk);
+	genclk_init_parent(&abdac0_sample_clk);
 
 	/*
 	 * Turn on all clocks that have at least one user already, and
@@ -1157,8 +1554,8 @@
 			pbb_mask |= 1 << clk->index;
 	}
 
-	sm_writel(sm, PM_CPU_MASK, cpu_mask);
-	sm_writel(sm, PM_HSB_MASK, hsb_mask);
-	sm_writel(sm, PM_PBA_MASK, pba_mask);
-	sm_writel(sm, PM_PBB_MASK, pbb_mask);
+	pm_writel(CPU_MASK, cpu_mask);
+	pm_writel(HSB_MASK, hsb_mask);
+	pm_writel(PBA_MASK, pba_mask);
+	pm_writel(PBB_MASK, pbb_mask);
 }
diff -x .git -Nur linux-2.6.22.1/arch/avr32/mach-at32ap/at32ap.c linux-avr32.git/arch/avr32/mach-at32ap/at32ap.c
--- linux-2.6.22.1/arch/avr32/mach-at32ap/at32ap.c	2007-07-10 20:56:30.000000000 +0200
+++ linux-avr32.git/arch/avr32/mach-at32ap/at32ap.c	2007-07-12 13:59:49.000000000 +0200
@@ -11,41 +11,10 @@
 #include <linux/init.h>
 #include <linux/platform_device.h>
 
-#include <asm/io.h>
-
 #include <asm/arch/init.h>
-#include <asm/arch/sm.h>
-
-struct at32_sm system_manager;
-
-static int __init at32_sm_init(void)
-{
-	struct resource *regs;
-	struct at32_sm *sm = &system_manager;
-	int ret = -ENXIO;
-
-	regs = platform_get_resource(&at32_sm_device, IORESOURCE_MEM, 0);
-	if (!regs)
-		goto fail;
-
-	spin_lock_init(&sm->lock);
-	sm->pdev = &at32_sm_device;
-
-	ret = -ENOMEM;
-	sm->regs = ioremap(regs->start, regs->end - regs->start + 1);
-	if (!sm->regs)
-		goto fail;
-
-	return 0;
-
-fail:
-	printk(KERN_ERR "Failed to initialize System Manager: %d\n", ret);
-	return ret;
-}
 
 void __init setup_platform(void)
 {
-	at32_sm_init();
 	at32_clock_init();
 	at32_portmux_init();
 }
diff -x .git -Nur linux-2.6.22.1/arch/avr32/mach-at32ap/cpufreq.c linux-avr32.git/arch/avr32/mach-at32ap/cpufreq.c
--- linux-2.6.22.1/arch/avr32/mach-at32ap/cpufreq.c	1970-01-01 01:00:00.000000000 +0100
+++ linux-avr32.git/arch/avr32/mach-at32ap/cpufreq.c	2007-07-12 13:59:49.000000000 +0200
@@ -0,0 +1,112 @@
+/*
+ * Copyright (C) 2004-2007 Atmel Corporation
+ *
+ * Based on MIPS implementation arch/mips/kernel/time.c
+ *   Copyright 2001 MontaVista Software Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+/*#define DEBUG*/
+
+#include <linux/kernel.h>
+#include <linux/types.h>
+#include <linux/init.h>
+#include <linux/cpufreq.h>
+#include <linux/io.h>
+#include <linux/clk.h>
+#include <linux/err.h>
+#include <asm/system.h>
+
+static struct clk *cpuclk;
+
+static int at32_verify_speed(struct cpufreq_policy *policy)
+{
+	if (policy->cpu != 0)
+		return -EINVAL;
+
+	cpufreq_verify_within_limits(policy, policy->cpuinfo.min_freq,
+			policy->cpuinfo.max_freq);
+	return 0;
+}
+
+static unsigned int at32_get_speed(unsigned int cpu)
+{
+	/* No SMP support */
+	if (cpu)
+		return 0;
+	return (unsigned int)((clk_get_rate(cpuclk) + 500) / 1000);
+}
+
+static int at32_set_target(struct cpufreq_policy *policy,
+			  unsigned int target_freq,
+			  unsigned int relation)
+{
+	struct cpufreq_freqs freqs;
+	long freq;
+
+	/* Convert target_freq from kHz to Hz */
+	freq = clk_round_rate(cpuclk, target_freq * 1000);
+
+	/* Check if policy->min <= new_freq <= policy->max */
+	if(freq < (policy->min * 1000) || freq > (policy->max * 1000))
+		return -EINVAL;
+
+	pr_debug("cpufreq: requested frequency %u Hz\n", target_freq * 1000);
+
+	freqs.old = at32_get_speed(0);
+	freqs.new = (freq + 500) / 1000;
+	freqs.cpu = 0;
+	freqs.flags = 0;
+
+	cpufreq_notify_transition(&freqs, CPUFREQ_PRECHANGE);
+	clk_set_rate(cpuclk, freq);
+	cpufreq_notify_transition(&freqs, CPUFREQ_POSTCHANGE);
+
+	pr_debug("cpufreq: set frequency %lu Hz\n", freq);
+
+	return 0;
+}
+
+static int __init at32_cpufreq_driver_init(struct cpufreq_policy *policy)
+{
+	if (policy->cpu != 0)
+		return -EINVAL;
+
+	cpuclk = clk_get(NULL, "cpu");
+	if (IS_ERR(cpuclk)) {
+		pr_debug("cpufreq: could not get CPU clk\n");
+		return PTR_ERR(cpuclk);
+	}
+
+	policy->cpuinfo.min_freq = (clk_round_rate(cpuclk, 1) + 500) / 1000;
+	policy->cpuinfo.max_freq = (clk_round_rate(cpuclk, ~0UL) + 500) / 1000;
+	policy->cpuinfo.transition_latency = 0;
+	policy->cur = at32_get_speed(0);
+	policy->min = policy->cpuinfo.min_freq;
+	policy->max = policy->cpuinfo.max_freq;
+	policy->governor = CPUFREQ_DEFAULT_GOVERNOR;
+
+	printk("cpufreq: AT32AP CPU frequency driver\n");
+
+	return 0;
+}
+
+static struct cpufreq_driver at32_driver = {
+	.name		= "at32ap",
+	.owner		= THIS_MODULE,
+	.init		= at32_cpufreq_driver_init,
+	.verify		= at32_verify_speed,
+	.target		= at32_set_target,
+	.get		= at32_get_speed,
+	.flags		= CPUFREQ_STICKY,
+};
+
+static int __init at32_cpufreq_init(void)
+{
+	return cpufreq_register_driver(&at32_driver);
+}
+
+arch_initcall(at32_cpufreq_init);
diff -x .git -Nur linux-2.6.22.1/arch/avr32/mach-at32ap/extint.c linux-avr32.git/arch/avr32/mach-at32ap/extint.c
--- linux-2.6.22.1/arch/avr32/mach-at32ap/extint.c	2007-07-10 20:56:30.000000000 +0200
+++ linux-avr32.git/arch/avr32/mach-at32ap/extint.c	2007-07-12 13:59:49.000000000 +0200
@@ -17,42 +17,83 @@
 
 #include <asm/io.h>
 
-#include <asm/arch/sm.h>
-
-#include "sm.h"
+/* EIC register offsets */
+#define EIC_IER					0x0000
+#define EIC_IDR					0x0004
+#define EIC_IMR					0x0008
+#define EIC_ISR					0x000c
+#define EIC_ICR					0x0010
+#define EIC_MODE				0x0014
+#define EIC_EDGE				0x0018
+#define EIC_LEVEL				0x001c
+#define EIC_TEST				0x0020
+#define EIC_NMIC				0x0024
+
+/* Bitfields in TEST */
+#define EIC_TESTEN_OFFSET			31
+#define EIC_TESTEN_SIZE				1
+
+/* Bitfields in NMIC */
+#define EIC_EN_OFFSET				0
+#define EIC_EN_SIZE				1
+
+/* Bit manipulation macros */
+#define EIC_BIT(name)					\
+	(1 << EIC_##name##_OFFSET)
+#define EIC_BF(name,value)				\
+	(((value) & ((1 << EIC_##name##_SIZE) - 1))	\
+	 << EIC_##name##_OFFSET)
+#define EIC_BFEXT(name,value)				\
+	(((value) >> EIC_##name##_OFFSET)		\
+	 & ((1 << EIC_##name##_SIZE) - 1))
+#define EIC_BFINS(name,value,old)			\
+	(((old) & ~(((1 << EIC_##name##_SIZE) - 1)	\
+		    << EIC_##name##_OFFSET))		\
+	 | EIC_BF(name,value))
+
+/* Register access macros */
+#define eic_readl(port,reg)				\
+	__raw_readl((port)->regs + EIC_##reg)
+#define eic_writel(port,reg,value)			\
+	__raw_writel((value), (port)->regs + EIC_##reg)
+
+struct eic {
+	void __iomem *regs;
+	struct irq_chip *chip;
+	unsigned int first_irq;
+};
 
-static void eim_ack_irq(unsigned int irq)
+static void eic_ack_irq(unsigned int irq)
 {
-	struct at32_sm *sm = get_irq_chip_data(irq);
-	sm_writel(sm, EIM_ICR, 1 << (irq - sm->eim_first_irq));
+	struct eic *eic = get_irq_chip_data(irq);
+	eic_writel(eic, ICR, 1 << (irq - eic->first_irq));
 }
 
-static void eim_mask_irq(unsigned int irq)
+static void eic_mask_irq(unsigned int irq)
 {
-	struct at32_sm *sm = get_irq_chip_data(irq);
-	sm_writel(sm, EIM_IDR, 1 << (irq - sm->eim_first_irq));
+	struct eic *eic = get_irq_chip_data(irq);
+	eic_writel(eic, IDR, 1 << (irq - eic->first_irq));
 }
 
-static void eim_mask_ack_irq(unsigned int irq)
+static void eic_mask_ack_irq(unsigned int irq)
 {
-	struct at32_sm *sm = get_irq_chip_data(irq);
-	sm_writel(sm, EIM_ICR, 1 << (irq - sm->eim_first_irq));
-	sm_writel(sm, EIM_IDR, 1 << (irq - sm->eim_first_irq));
+	struct eic *eic = get_irq_chip_data(irq);
+	eic_writel(eic, ICR, 1 << (irq - eic->first_irq));
+	eic_writel(eic, IDR, 1 << (irq - eic->first_irq));
 }
 
-static void eim_unmask_irq(unsigned int irq)
+static void eic_unmask_irq(unsigned int irq)
 {
-	struct at32_sm *sm = get_irq_chip_data(irq);
-	sm_writel(sm, EIM_IER, 1 << (irq - sm->eim_first_irq));
+	struct eic *eic = get_irq_chip_data(irq);
+	eic_writel(eic, IER, 1 << (irq - eic->first_irq));
 }
 
-static int eim_set_irq_type(unsigned int irq, unsigned int flow_type)
+static int eic_set_irq_type(unsigned int irq, unsigned int flow_type)
 {
-	struct at32_sm *sm = get_irq_chip_data(irq);
+	struct eic *eic = get_irq_chip_data(irq);
 	struct irq_desc *desc;
-	unsigned int i = irq - sm->eim_first_irq;
+	unsigned int i = irq - eic->first_irq;
 	u32 mode, edge, level;
-	unsigned long flags;
 	int ret = 0;
 
 	flow_type &= IRQ_TYPE_SENSE_MASK;
@@ -60,11 +101,10 @@
 		flow_type = IRQ_TYPE_LEVEL_LOW;
 
 	desc = &irq_desc[irq];
-	spin_lock_irqsave(&sm->lock, flags);
 
-	mode = sm_readl(sm, EIM_MODE);
-	edge = sm_readl(sm, EIM_EDGE);
-	level = sm_readl(sm, EIM_LEVEL);
+	mode = eic_readl(eic, MODE);
+	edge = eic_readl(eic, EDGE);
+	level = eic_readl(eic, LEVEL);
 
 	switch (flow_type) {
 	case IRQ_TYPE_LEVEL_LOW:
@@ -89,9 +129,9 @@
 	}
 
 	if (ret == 0) {
-		sm_writel(sm, EIM_MODE, mode);
-		sm_writel(sm, EIM_EDGE, edge);
-		sm_writel(sm, EIM_LEVEL, level);
+		eic_writel(eic, MODE, mode);
+		eic_writel(eic, EDGE, edge);
+		eic_writel(eic, LEVEL, level);
 
 		if (flow_type & (IRQ_TYPE_LEVEL_LOW | IRQ_TYPE_LEVEL_HIGH))
 			flow_type |= IRQ_LEVEL;
@@ -99,35 +139,33 @@
 		desc->status |= flow_type;
 	}
 
-	spin_unlock_irqrestore(&sm->lock, flags);
-
 	return ret;
 }
 
-struct irq_chip eim_chip = {
-	.name		= "eim",
-	.ack		= eim_ack_irq,
-	.mask		= eim_mask_irq,
-	.mask_ack	= eim_mask_ack_irq,
-	.unmask		= eim_unmask_irq,
-	.set_type	= eim_set_irq_type,
+struct irq_chip eic_chip = {
+	.name		= "eic",
+	.ack		= eic_ack_irq,
+	.mask		= eic_mask_irq,
+	.mask_ack	= eic_mask_ack_irq,
+	.unmask		= eic_unmask_irq,
+	.set_type	= eic_set_irq_type,
 };
 
-static void demux_eim_irq(unsigned int irq, struct irq_desc *desc)
+static void demux_eic_irq(unsigned int irq, struct irq_desc *desc)
 {
-	struct at32_sm *sm = desc->handler_data;
+	struct eic *eic = desc->handler_data;
 	struct irq_desc *ext_desc;
 	unsigned long status, pending;
 	unsigned int i, ext_irq;
 
-	status = sm_readl(sm, EIM_ISR);
-	pending = status & sm_readl(sm, EIM_IMR);
+	status = eic_readl(eic, ISR);
+	pending = status & eic_readl(eic, IMR);
 
 	while (pending) {
 		i = fls(pending) - 1;
 		pending &= ~(1 << i);
 
-		ext_irq = i + sm->eim_first_irq;
+		ext_irq = i + eic->first_irq;
 		ext_desc = irq_desc + ext_irq;
 		if (ext_desc->status & IRQ_LEVEL)
 			handle_level_irq(ext_irq, ext_desc);
@@ -136,51 +174,85 @@
 	}
 }
 
-static int __init eim_init(void)
+static int __init eic_probe(struct platform_device *pdev)
 {
-	struct at32_sm *sm = &system_manager;
+	struct eic *eic;
+	struct resource *regs;
 	unsigned int i;
 	unsigned int nr_irqs;
 	unsigned int int_irq;
+	int ret;
 	u32 pattern;
 
-	/*
-	 * The EIM is really the same module as SM, so register
-	 * mapping, etc. has been taken care of already.
-	 */
+	regs = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+	int_irq = platform_get_irq(pdev, 0);
+	if (!regs || !int_irq) {
+		dev_dbg(&pdev->dev, "missing regs and/or irq resource\n");
+		return -ENXIO;
+	}
+
+	ret = -ENOMEM;
+	eic = kzalloc(sizeof(struct eic), GFP_KERNEL);
+	if (!eic) {
+		dev_dbg(&pdev->dev, "no memory for eic structure\n");
+		goto err_kzalloc;
+	}
+
+	eic->first_irq = EIM_IRQ_BASE + 32 * pdev->id;
+	eic->regs = ioremap(regs->start, regs->end - regs->start + 1);
+	if (!eic->regs) {
+		dev_dbg(&pdev->dev, "failed to map regs\n");
+		goto err_ioremap;
+	}
 
 	/*
 	 * Find out how many interrupt lines that are actually
 	 * implemented in hardware.
 	 */
-	sm_writel(sm, EIM_IDR, ~0UL);
-	sm_writel(sm, EIM_MODE, ~0UL);
-	pattern = sm_readl(sm, EIM_MODE);
+	eic_writel(eic, IDR, ~0UL);
+	eic_writel(eic, MODE, ~0UL);
+	pattern = eic_readl(eic, MODE);
 	nr_irqs = fls(pattern);
 
 	/* Trigger on falling edge unless overridden by driver */
-	sm_writel(sm, EIM_MODE, 0UL);
-	sm_writel(sm, EIM_EDGE, 0UL);
+	eic_writel(eic, MODE, 0UL);
+	eic_writel(eic, EDGE, 0UL);
 
-	sm->eim_chip = &eim_chip;
+	eic->chip = &eic_chip;
 
 	for (i = 0; i < nr_irqs; i++) {
 		/* NOTE the handler we set here is ignored by the demux */
-		set_irq_chip_and_handler(sm->eim_first_irq + i, &eim_chip,
+		set_irq_chip_and_handler(eic->first_irq + i, &eic_chip,
 					 handle_level_irq);
-		set_irq_chip_data(sm->eim_first_irq + i, sm);
+		set_irq_chip_data(eic->first_irq + i, eic);
 	}
 
-	int_irq = platform_get_irq_byname(sm->pdev, "eim");
-
-	set_irq_chained_handler(int_irq, demux_eim_irq);
-	set_irq_data(int_irq, sm);
+	set_irq_chained_handler(int_irq, demux_eic_irq);
+	set_irq_data(int_irq, eic);
 
-	printk("EIM: External Interrupt Module at 0x%p, IRQ %u\n",
-	       sm->regs, int_irq);
-	printk("EIM: Handling %u external IRQs, starting with IRQ %u\n",
-	       nr_irqs, sm->eim_first_irq);
+	dev_info(&pdev->dev,
+		 "External Interrupt Controller at 0x%p, IRQ %u\n",
+		 eic->regs, int_irq);
+	dev_info(&pdev->dev,
+		 "Handling %u external IRQs, starting with IRQ %u\n",
+		 nr_irqs, eic->first_irq);
 
 	return 0;
+
+err_ioremap:
+	kfree(eic);
+err_kzalloc:
+	return ret;
+}
+
+static struct platform_driver eic_driver = {
+	.driver = {
+		.name = "at32_eic",
+	},
+};
+
+static int __init eic_init(void)
+{
+	return platform_driver_probe(&eic_driver, eic_probe);
 }
-arch_initcall(eim_init);
+arch_initcall(eic_init);
diff -x .git -Nur linux-2.6.22.1/arch/avr32/mach-at32ap/gpio-dev.c linux-avr32.git/arch/avr32/mach-at32ap/gpio-dev.c
--- linux-2.6.22.1/arch/avr32/mach-at32ap/gpio-dev.c	1970-01-01 01:00:00.000000000 +0100
+++ linux-avr32.git/arch/avr32/mach-at32ap/gpio-dev.c	2007-07-12 13:59:49.000000000 +0200
@@ -0,0 +1,570 @@
+/*
+ * GPIO /dev and configfs interface
+ *
+ * Copyright (C) 2006-2007 Atmel Corporation
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+#include <linux/configfs.h>
+#include <linux/cdev.h>
+#include <linux/fs.h>
+#include <linux/interrupt.h>
+#include <linux/poll.h>
+#include <linux/uaccess.h>
+#include <linux/wait.h>
+
+#include <asm/gpio.h>
+#include <asm/arch/portmux.h>
+
+#define GPIO_DEV_MAX			8
+
+static struct class *gpio_dev_class;
+static dev_t gpio_devt;
+
+struct gpio_item {
+	spinlock_t lock;
+
+	int enabled;
+	int initialized;
+	int port;
+	u32 pin_mask;
+	u32 oe_mask;
+
+	/* Pin state last time we read it (for blocking reads) */
+	u32 pin_state;
+	int changed;
+
+	wait_queue_head_t change_wq;
+	struct fasync_struct *async_queue;
+
+	int id;
+	struct class_device *gpio_dev;
+	struct cdev char_dev;
+	struct config_item item;
+};
+
+struct gpio_attribute {
+	struct configfs_attribute attr;
+	ssize_t (*show)(struct gpio_item *, char *);
+	ssize_t (*store)(struct gpio_item *, const char *, size_t);
+};
+
+static irqreturn_t gpio_dev_interrupt(int irq, void *dev_id)
+{
+	struct gpio_item *gpio = dev_id;
+	u32 old_state, new_state;
+
+	old_state = gpio->pin_state;
+	new_state = at32_gpio_get_value_multiple(gpio->port, gpio->pin_mask);
+	gpio->pin_state = new_state;
+
+	if (new_state != old_state) {
+		gpio->changed = 1;
+		wake_up_interruptible(&gpio->change_wq);
+
+		if (gpio->async_queue)
+			kill_fasync(&gpio->async_queue, SIGIO, POLL_IN);
+	}
+
+	return IRQ_HANDLED;
+}
+
+static int gpio_dev_open(struct inode *inode, struct file *file)
+{
+	struct gpio_item *gpio = container_of(inode->i_cdev,
+					      struct gpio_item,
+					      char_dev);
+	unsigned int irq;
+	unsigned int i;
+	int ret;
+
+	nonseekable_open(inode, file);
+	config_item_get(&gpio->item);
+	file->private_data = gpio;
+
+	gpio->pin_state = at32_gpio_get_value_multiple(gpio->port,
+						       gpio->pin_mask);
+	gpio->changed = 1;
+
+	for (i = 0; i < 32; i++) {
+		if (gpio->pin_mask & (1 << i)) {
+			irq = gpio_to_irq(32 * gpio->port + i);
+			ret = request_irq(irq, gpio_dev_interrupt, 0,
+					  "gpio-dev", gpio);
+			if (ret)
+				goto err_irq;
+		}
+	}
+
+	return 0;
+
+err_irq:
+	while (i--) {
+		if (gpio->pin_mask & (1 << i)) {
+			irq = gpio_to_irq(32 * gpio->port + i);
+			free_irq(irq, gpio);
+		}
+	}
+
+	config_item_put(&gpio->item);
+
+	return ret;
+}
+
+static int gpio_dev_fasync(int fd, struct file *file, int mode)
+{
+	struct gpio_item *gpio = file->private_data;
+
+	return fasync_helper(fd, file, mode, &gpio->async_queue);
+}
+
+static int gpio_dev_release(struct inode *inode, struct file *file)
+{
+	struct gpio_item *gpio = file->private_data;
+	unsigned int irq;
+	unsigned int i;
+
+	gpio_dev_fasync(-1, file, 0);
+
+	for (i = 0; i < 32; i++) {
+		if (gpio->pin_mask & (1 << i)) {
+			irq = gpio_to_irq(32 * gpio->port + i);
+			free_irq(irq, gpio);
+		}
+	}
+
+	config_item_put(&gpio->item);
+
+	return 0;
+}
+
+static unsigned int gpio_dev_poll(struct file *file, poll_table *wait)
+{
+	struct gpio_item *gpio = file->private_data;
+	unsigned int mask = 0;
+
+	poll_wait(file, &gpio->change_wq, wait);
+	if (gpio->changed)
+		mask |= POLLIN | POLLRDNORM;
+
+	return mask;
+}
+
+static ssize_t gpio_dev_read(struct file *file, char __user *buf,
+			     size_t count, loff_t *offset)
+{
+	struct gpio_item *gpio = file->private_data;
+	u32 value;
+
+	spin_lock_irq(&gpio->lock);
+	while (!gpio->changed) {
+		spin_unlock_irq(&gpio->lock);
+
+		if (file->f_flags & O_NONBLOCK)
+			return -EAGAIN;
+
+		if (wait_event_interruptible(gpio->change_wq, gpio->changed))
+			return -ERESTARTSYS;
+
+		spin_lock_irq(&gpio->lock);
+	}
+
+	gpio->changed = 0;
+	value = at32_gpio_get_value_multiple(gpio->port, gpio->pin_mask);
+
+	spin_unlock_irq(&gpio->lock);
+
+	count = min(count, (size_t)4);
+	if (copy_to_user(buf, &value, count))
+		return -EFAULT;
+
+	return count;
+}
+
+static ssize_t gpio_dev_write(struct file *file, const char __user *buf,
+			      size_t count, loff_t *offset)
+{
+	struct gpio_item *gpio = file->private_data;
+	u32 value = 0;
+	u32 mask = ~0UL;
+
+	count = min(count, (size_t)4);
+	if (copy_from_user(&value, buf, count))
+		return -EFAULT;
+
+	/* Assuming big endian */
+	mask <<= (4 - count) * 8;
+	mask &= gpio->pin_mask;
+
+	at32_gpio_set_value_multiple(gpio->port, value, mask);
+
+	return count;
+}
+
+static struct file_operations gpio_dev_fops = {
+	.owner		= THIS_MODULE,
+	.llseek		= no_llseek,
+	.open		= gpio_dev_open,
+	.release	= gpio_dev_release,
+	.fasync		= gpio_dev_fasync,
+	.poll		= gpio_dev_poll,
+	.read		= gpio_dev_read,
+	.write		= gpio_dev_write,
+};
+
+static struct gpio_item *to_gpio_item(struct config_item *item)
+{
+	return item ? container_of(item, struct gpio_item, item) : NULL;
+}
+
+static ssize_t gpio_show_gpio_id(struct gpio_item *gpio, char *page)
+{
+	return sprintf(page, "%d\n", gpio->port);
+}
+
+static ssize_t gpio_store_gpio_id(struct gpio_item *gpio,
+				  const char *page, size_t count)
+{
+	unsigned long id;
+	char *p = (char *)page;
+	ssize_t ret = -EINVAL;
+
+	id = simple_strtoul(p, &p, 0);
+	if (!p || (*p && (*p != '\n')))
+		return -EINVAL;
+
+	/* Switching PIO is not allowed when live... */
+	spin_lock(&gpio->lock);
+	if (!gpio->enabled) {
+		ret = -ENXIO;
+		if (at32_gpio_port_is_valid(id)) {
+			gpio->port = id;
+			ret = count;
+		}
+	}
+	spin_unlock(&gpio->lock);
+
+	return ret;
+}
+
+static ssize_t gpio_show_pin_mask(struct gpio_item *gpio, char *page)
+{
+	return sprintf(page, "0x%08x\n", gpio->pin_mask);
+}
+
+static ssize_t gpio_store_pin_mask(struct gpio_item *gpio,
+				   const char *page, size_t count)
+{
+	u32 new_mask;
+	char *p = (char *)page;
+	ssize_t ret = -EINVAL;
+
+	new_mask = simple_strtoul(p, &p, 0);
+	if (!p || (*p && (*p != '\n')))
+		return -EINVAL;
+
+	/* Can't update the pin mask while live. */
+	spin_lock(&gpio->lock);
+	if (!gpio->enabled) {
+		gpio->oe_mask &= new_mask;
+		gpio->pin_mask = new_mask;
+		ret = count;
+	}
+	spin_unlock(&gpio->lock);
+
+	return ret;
+}
+
+static ssize_t gpio_show_oe_mask(struct gpio_item *gpio, char *page)
+{
+	return sprintf(page, "0x%08x\n", gpio->oe_mask);
+}
+
+static ssize_t gpio_store_oe_mask(struct gpio_item *gpio,
+				  const char *page, size_t count)
+{
+	u32 mask;
+	char *p = (char *)page;
+	ssize_t ret = -EINVAL;
+
+	mask = simple_strtoul(p, &p, 0);
+	if (!p || (*p && (*p != '\n')))
+		return -EINVAL;
+
+	spin_lock(&gpio->lock);
+	if (!gpio->enabled) {
+		gpio->oe_mask = mask & gpio->pin_mask;
+		ret = count;
+	}
+	spin_unlock(&gpio->lock);
+
+	return ret;
+}
+
+static ssize_t gpio_show_enabled(struct gpio_item *gpio, char *page)
+{
+	return sprintf(page, "%d\n", gpio->enabled);
+}
+
+static ssize_t gpio_store_enabled(struct gpio_item *gpio,
+				  const char *page, size_t count)
+{
+	char *p = (char *)page;
+	int enabled;
+	int ret;
+
+	enabled = simple_strtoul(p, &p, 0);
+	if (!p || (*p && (*p != '\n')))
+		return -EINVAL;
+
+	/* make it a boolean value */
+	enabled = !!enabled;
+
+	if (gpio->enabled == enabled)
+		/* No change; do nothing. */
+		return count;
+
+	BUG_ON(gpio->id >= GPIO_DEV_MAX);
+
+	if (!enabled) {
+		class_device_unregister(gpio->gpio_dev);
+		cdev_del(&gpio->char_dev);
+		at32_deselect_pins(gpio->port, gpio->pin_mask);
+		gpio->initialized = 0;
+	} else {
+		if (gpio->port < 0 || !gpio->pin_mask)
+			return -ENODEV;
+	}
+
+	/* Disallow any updates to gpio_id or pin_mask */
+	spin_lock(&gpio->lock);
+	gpio->enabled = enabled;
+	spin_unlock(&gpio->lock);
+
+	if (!enabled)
+		return count;
+
+	/* Now, try to allocate the pins */
+	ret = at32_select_gpio_pins(gpio->port, gpio->pin_mask, gpio->oe_mask);
+	if (ret)
+		goto err_alloc_pins;
+
+	gpio->initialized = 1;
+
+	cdev_init(&gpio->char_dev, &gpio_dev_fops);
+	gpio->char_dev.owner = THIS_MODULE;
+	ret = cdev_add(&gpio->char_dev, MKDEV(MAJOR(gpio_devt), gpio->id), 1);
+	if (ret < 0)
+		goto err_cdev_add;
+	gpio->gpio_dev = class_device_create(gpio_dev_class, NULL,
+					     MKDEV(MAJOR(gpio_devt), gpio->id),
+					     NULL,
+					     "gpio%d", gpio->id);
+	if (IS_ERR(gpio->gpio_dev)) {
+		printk(KERN_ERR "failed to create gpio%d\n", gpio->id);
+		ret = PTR_ERR(gpio->gpio_dev);
+		goto err_class_dev;
+	}
+
+	printk(KERN_INFO "created gpio%d (port%d/0x%08x) as (%d:%d)\n",
+	       gpio->id, gpio->port, gpio->pin_mask,
+	       MAJOR(gpio->gpio_dev->devt), MINOR(gpio->gpio_dev->devt));
+
+	return 0;
+
+err_class_dev:
+	cdev_del(&gpio->char_dev);
+err_cdev_add:
+	at32_deselect_pins(gpio->port, gpio->pin_mask);
+	gpio->initialized = 0;
+err_alloc_pins:
+	spin_lock(&gpio->lock);
+	gpio->enabled = 0;
+	spin_unlock(&gpio->lock);
+
+	return ret;
+}
+
+static struct gpio_attribute gpio_item_attr_gpio_id = {
+	.attr = {
+		.ca_owner = THIS_MODULE,
+		.ca_name = "gpio_id",
+		.ca_mode = S_IRUGO | S_IWUSR,
+	},
+	.show = gpio_show_gpio_id,
+	.store = gpio_store_gpio_id,
+};
+static struct gpio_attribute gpio_item_attr_pin_mask = {
+	.attr = {
+		.ca_owner = THIS_MODULE,
+		.ca_name = "pin_mask",
+		.ca_mode = S_IRUGO | S_IWUSR,
+	},
+	.show = gpio_show_pin_mask,
+	.store = gpio_store_pin_mask,
+};
+static struct gpio_attribute gpio_item_attr_oe_mask = {
+	.attr = {
+		.ca_owner = THIS_MODULE,
+		.ca_name = "oe_mask",
+		.ca_mode = S_IRUGO | S_IWUSR,
+	},
+	.show = gpio_show_oe_mask,
+	.store = gpio_store_oe_mask,
+};
+static struct gpio_attribute gpio_item_attr_enabled = {
+	.attr = {
+		.ca_owner = THIS_MODULE,
+		.ca_name = "enabled",
+		.ca_mode = S_IRUGO | S_IWUSR,
+	},
+	.show = gpio_show_enabled,
+	.store = gpio_store_enabled,
+};
+
+static struct configfs_attribute *gpio_item_attrs[] = {
+	&gpio_item_attr_gpio_id.attr,
+	&gpio_item_attr_pin_mask.attr,
+	&gpio_item_attr_oe_mask.attr,
+	&gpio_item_attr_enabled.attr,
+	NULL,
+};
+
+static ssize_t gpio_show_attr(struct config_item *item,
+			      struct configfs_attribute *attr,
+			      char *page)
+{
+	struct gpio_item *gpio_item = to_gpio_item(item);
+	struct gpio_attribute *gpio_attr
+		= container_of(attr, struct gpio_attribute, attr);
+	ssize_t ret = 0;
+
+	if (gpio_attr->show)
+		ret = gpio_attr->show(gpio_item, page);
+	return ret;
+}
+
+static ssize_t gpio_store_attr(struct config_item *item,
+			       struct configfs_attribute *attr,
+			       const char *page, size_t count)
+{
+	struct gpio_item *gpio_item = to_gpio_item(item);
+	struct gpio_attribute *gpio_attr
+		= container_of(attr, struct gpio_attribute, attr);
+	ssize_t ret = -EINVAL;
+
+	if (gpio_attr->store)
+		ret = gpio_attr->store(gpio_item, page, count);
+	return ret;
+}
+
+static void gpio_release(struct config_item *item)
+{
+	kfree(to_gpio_item(item));
+}
+
+static struct configfs_item_operations gpio_item_ops = {
+	.release		= gpio_release,
+	.show_attribute		= gpio_show_attr,
+	.store_attribute	= gpio_store_attr,
+};
+
+static struct config_item_type gpio_item_type = {
+	.ct_item_ops	= &gpio_item_ops,
+	.ct_attrs	= gpio_item_attrs,
+	.ct_owner	= THIS_MODULE,
+};
+
+static struct config_item *gpio_make_item(struct config_group *group,
+					  const char *name)
+{
+	static int next_id;
+	struct gpio_item *gpio;
+
+	if (next_id >= GPIO_DEV_MAX)
+		return NULL;
+
+	gpio = kzalloc(sizeof(struct gpio_item), GFP_KERNEL);
+	if (!gpio)
+		return NULL;
+
+	gpio->id = next_id++;
+	config_item_init_type_name(&gpio->item, name, &gpio_item_type);
+	spin_lock_init(&gpio->lock);
+	init_waitqueue_head(&gpio->change_wq);
+
+	return &gpio->item;
+}
+
+static void gpio_drop_item(struct config_group *group,
+			   struct config_item *item)
+{
+	struct gpio_item *gpio = to_gpio_item(item);
+
+	spin_lock(&gpio->lock);
+	if (gpio->enabled) {
+		class_device_unregister(gpio->gpio_dev);
+		cdev_del(&gpio->char_dev);
+	}
+
+	if (gpio->initialized) {
+		at32_deselect_pins(gpio->port, gpio->pin_mask);
+		gpio->initialized = 0;
+		gpio->enabled = 0;
+	}
+	spin_unlock(&gpio->lock);
+}
+
+static struct configfs_group_operations gpio_group_ops = {
+	.make_item	= gpio_make_item,
+	.drop_item	= gpio_drop_item,
+};
+
+static struct config_item_type gpio_group_type = {
+	.ct_group_ops	= &gpio_group_ops,
+	.ct_owner	= THIS_MODULE,
+};
+
+static struct configfs_subsystem gpio_subsys = {
+	.su_group = {
+		.cg_item = {
+			 .ci_namebuf = "gpio",
+			 .ci_type = &gpio_group_type,
+		 },
+	},
+};
+
+static int __init gpio_dev_init(void)
+{
+	int err;
+
+	gpio_dev_class = class_create(THIS_MODULE, "gpio-dev");
+	if (IS_ERR(gpio_dev_class)) {
+		err = PTR_ERR(gpio_dev_class);
+		goto err_class_create;
+	}
+
+	err = alloc_chrdev_region(&gpio_devt, 0, GPIO_DEV_MAX, "gpio");
+	if (err < 0)
+		goto err_alloc_chrdev;
+
+	/* Configfs initialization */
+	config_group_init(&gpio_subsys.su_group);
+	init_MUTEX(&gpio_subsys.su_sem);
+	err = configfs_register_subsystem(&gpio_subsys);
+	if (err)
+		goto err_register_subsys;
+
+	return 0;
+
+err_register_subsys:
+	unregister_chrdev_region(gpio_devt, GPIO_DEV_MAX);
+err_alloc_chrdev:
+	class_destroy(gpio_dev_class);
+err_class_create:
+	printk(KERN_WARNING "Failed to initialize gpio /dev interface\n");
+	return err;
+}
+late_initcall(gpio_dev_init);
diff -x .git -Nur linux-2.6.22.1/arch/avr32/mach-at32ap/Kconfig linux-avr32.git/arch/avr32/mach-at32ap/Kconfig
--- linux-2.6.22.1/arch/avr32/mach-at32ap/Kconfig	2007-07-10 20:56:30.000000000 +0200
+++ linux-avr32.git/arch/avr32/mach-at32ap/Kconfig	2007-07-12 13:59:49.000000000 +0200
@@ -26,6 +26,13 @@
 
 endchoice
 
+config GPIO_DEV
+	bool "GPIO /dev interface"
+	select CONFIGFS_FS
+	default n
+	help
+	  Say `Y' to enable a /dev interface to the GPIO pins.
+
 endmenu
 
 endif # PLATFORM_AT32AP
diff -x .git -Nur linux-2.6.22.1/arch/avr32/mach-at32ap/Makefile linux-avr32.git/arch/avr32/mach-at32ap/Makefile
--- linux-2.6.22.1/arch/avr32/mach-at32ap/Makefile	2007-07-10 20:56:30.000000000 +0200
+++ linux-avr32.git/arch/avr32/mach-at32ap/Makefile	2007-07-12 13:59:49.000000000 +0200
@@ -1,3 +1,5 @@
 obj-y				+= at32ap.o clock.o intc.o extint.o pio.o hsmc.o
 obj-$(CONFIG_CPU_AT32AP7000)	+= at32ap7000.o
 obj-$(CONFIG_CPU_AT32AP7000)	+= time-tc.o
+obj-$(CONFIG_CPU_FREQ_AT32AP)	+= cpufreq.o
+obj-$(CONFIG_GPIO_DEV)		+= gpio-dev.o
diff -x .git -Nur linux-2.6.22.1/arch/avr32/mach-at32ap/pio.c linux-avr32.git/arch/avr32/mach-at32ap/pio.c
--- linux-2.6.22.1/arch/avr32/mach-at32ap/pio.c	2007-07-10 20:56:30.000000000 +0200
+++ linux-avr32.git/arch/avr32/mach-at32ap/pio.c	2007-07-12 13:59:49.000000000 +0200
@@ -158,6 +158,82 @@
 	dump_stack();
 }
 
+#ifdef CONFIG_GPIO_DEV
+
+/* Gang allocators and accessors; used by the GPIO /dev driver */
+int at32_gpio_port_is_valid(unsigned int port)
+{
+	return port < MAX_NR_PIO_DEVICES && pio_dev[port].regs != NULL;
+}
+
+int at32_select_gpio_pins(unsigned int port, u32 pins, u32 oe_mask)
+{
+	struct pio_device *pio;
+	u32 old, new;
+
+	pio = &pio_dev[port];
+	BUG_ON(port > ARRAY_SIZE(pio_dev) || !pio->regs || (oe_mask & ~pins));
+
+	/* Try to allocate the pins */
+	do {
+		old = pio->pinmux_mask;
+		if (old & pins)
+			return -EBUSY;
+
+		new = old | pins;
+	} while (cmpxchg(&pio->pinmux_mask, old, new) != old);
+
+	/* That went well, now configure the port */
+	pio_writel(pio, OER, oe_mask);
+	pio_writel(pio, PER, pins);
+
+	return 0;
+}
+
+void at32_deselect_pins(unsigned int port, u32 pins)
+{
+	struct pio_device *pio;
+	u32 old, new;
+
+	pio = &pio_dev[port];
+	BUG_ON(port > ARRAY_SIZE(pio_dev) || !pio->regs);
+
+	/* Return to a "safe" mux configuration */
+	pio_writel(pio, PUER, pins);
+	pio_writel(pio, ODR, pins);
+
+	/* Deallocate the pins */
+	do {
+		old = pio->pinmux_mask;
+		new = old & ~pins;
+	} while (cmpxchg(&pio->pinmux_mask, old, new) != old);
+}
+
+u32 at32_gpio_get_value_multiple(unsigned int port, u32 pins)
+{
+	struct pio_device *pio;
+
+	pio = &pio_dev[port];
+	BUG_ON(port > ARRAY_SIZE(pio_dev) || !pio->regs);
+
+	return pio_readl(pio, PDSR) & pins;
+}
+
+void at32_gpio_set_value_multiple(unsigned int port, u32 value, u32 mask)
+{
+	struct pio_device *pio;
+
+	pio = &pio_dev[port];
+	BUG_ON(port > ARRAY_SIZE(pio_dev) || !pio->regs);
+
+	/* No atomic updates for now... */
+	pio_writel(pio, CODR, ~value & mask);
+	pio_writel(pio, SODR, value & mask);
+}
+
+#endif /* CONFIG_GPIO_DEV */
+
+
 /*--------------------------------------------------------------------------*/
 
 /* GPIO API */
diff -x .git -Nur linux-2.6.22.1/arch/avr32/mach-at32ap/pm.h linux-avr32.git/arch/avr32/mach-at32ap/pm.h
--- linux-2.6.22.1/arch/avr32/mach-at32ap/pm.h	1970-01-01 01:00:00.000000000 +0100
+++ linux-avr32.git/arch/avr32/mach-at32ap/pm.h	2007-07-12 13:59:49.000000000 +0200
@@ -0,0 +1,112 @@
+/*
+ * Register definitions for the Power Manager (PM)
+ */
+#ifndef __ARCH_AVR32_MACH_AT32AP_PM_H__
+#define __ARCH_AVR32_MACH_AT32AP_PM_H__
+
+/* PM register offsets */
+#define PM_MCCTRL				0x0000
+#define PM_CKSEL				0x0004
+#define PM_CPU_MASK				0x0008
+#define PM_HSB_MASK				0x000c
+#define PM_PBA_MASK				0x0010
+#define PM_PBB_MASK				0x0014
+#define PM_PLL0					0x0020
+#define PM_PLL1					0x0024
+#define PM_IER					0x0040
+#define PM_IDR					0x0044
+#define PM_IMR					0x0048
+#define PM_ISR					0x004c
+#define PM_ICR					0x0050
+#define PM_GCCTRL(x)				(0x0060 + 4 * (x))
+#define PM_RCAUSE				0x00c0
+
+/* Bitfields in CKSEL */
+#define PM_CPUSEL_OFFSET			0
+#define PM_CPUSEL_SIZE				3
+#define PM_CPUDIV_OFFSET			7
+#define PM_CPUDIV_SIZE				1
+#define PM_HSBSEL_OFFSET			8
+#define PM_HSBSEL_SIZE				3
+#define PM_HSBDIV_OFFSET			15
+#define PM_HSBDIV_SIZE				1
+#define PM_PBASEL_OFFSET			16
+#define PM_PBASEL_SIZE				3
+#define PM_PBADIV_OFFSET			23
+#define PM_PBADIV_SIZE				1
+#define PM_PBBSEL_OFFSET			24
+#define PM_PBBSEL_SIZE				3
+#define PM_PBBDIV_OFFSET			31
+#define PM_PBBDIV_SIZE				1
+
+/* Bitfields in PLL0 */
+#define PM_PLLEN_OFFSET				0
+#define PM_PLLEN_SIZE				1
+#define PM_PLLOSC_OFFSET			1
+#define PM_PLLOSC_SIZE				1
+#define PM_PLLOPT_OFFSET			2
+#define PM_PLLOPT_SIZE				3
+#define PM_PLLDIV_OFFSET			8
+#define PM_PLLDIV_SIZE				8
+#define PM_PLLMUL_OFFSET			16
+#define PM_PLLMUL_SIZE				8
+#define PM_PLLCOUNT_OFFSET			24
+#define PM_PLLCOUNT_SIZE			6
+#define PM_PLLTEST_OFFSET			31
+#define PM_PLLTEST_SIZE				1
+
+/* Bitfields in ICR */
+#define PM_LOCK0_OFFSET				0
+#define PM_LOCK0_SIZE				1
+#define PM_LOCK1_OFFSET				1
+#define PM_LOCK1_SIZE				1
+#define PM_WAKE_OFFSET				2
+#define PM_WAKE_SIZE				1
+#define PM_CKRDY_OFFSET				5
+#define PM_CKRDY_SIZE				1
+#define PM_MSKRDY_OFFSET			6
+#define PM_MSKRDY_SIZE				1
+
+/* Bitfields in GCCTRL0 */
+#define PM_OSCSEL_OFFSET			0
+#define PM_OSCSEL_SIZE				1
+#define PM_PLLSEL_OFFSET			1
+#define PM_PLLSEL_SIZE				1
+#define PM_CEN_OFFSET				2
+#define PM_CEN_SIZE				1
+#define PM_DIVEN_OFFSET				4
+#define PM_DIVEN_SIZE				1
+#define PM_DIV_OFFSET				8
+#define PM_DIV_SIZE				8
+
+/* Bitfields in RCAUSE */
+#define PM_POR_OFFSET				0
+#define PM_POR_SIZE				1
+#define PM_EXT_OFFSET				2
+#define PM_EXT_SIZE				1
+#define PM_WDT_OFFSET				3
+#define PM_WDT_SIZE				1
+#define PM_NTAE_OFFSET				4
+#define PM_NTAE_SIZE				1
+
+/* Bit manipulation macros */
+#define PM_BIT(name)					\
+	(1 << PM_##name##_OFFSET)
+#define PM_BF(name,value)				\
+	(((value) & ((1 << PM_##name##_SIZE) - 1))	\
+	 << PM_##name##_OFFSET)
+#define PM_BFEXT(name,value)				\
+	(((value) >> PM_##name##_OFFSET)		\
+	 & ((1 << PM_##name##_SIZE) - 1))
+#define PM_BFINS(name,value,old)\
+	(((old) & ~(((1 << PM_##name##_SIZE) - 1)	\
+		    << PM_##name##_OFFSET))		\
+	 | PM_BF(name,value))
+
+/* Register access macros */
+#define pm_readl(reg)							\
+	__raw_readl((void __iomem *)AT32_PM_BASE + PM_##reg)
+#define pm_writel(reg,value)						\
+	__raw_writel((value), (void __iomem *)AT32_PM_BASE + PM_##reg)
+
+#endif /* __ARCH_AVR32_MACH_AT32AP_PM_H__ */
diff -x .git -Nur linux-2.6.22.1/arch/avr32/mach-at32ap/sm.h linux-avr32.git/arch/avr32/mach-at32ap/sm.h
--- linux-2.6.22.1/arch/avr32/mach-at32ap/sm.h	2007-07-10 20:56:30.000000000 +0200
+++ linux-avr32.git/arch/avr32/mach-at32ap/sm.h	1970-01-01 01:00:00.000000000 +0100
@@ -1,242 +0,0 @@
-/*
- * Register definitions for SM
- *
- * System Manager
- */
-#ifndef __ASM_AVR32_SM_H__
-#define __ASM_AVR32_SM_H__
-
-/* SM register offsets */
-#define SM_PM_MCCTRL                            0x0000
-#define SM_PM_CKSEL                             0x0004
-#define SM_PM_CPU_MASK                          0x0008
-#define SM_PM_HSB_MASK                          0x000c
-#define SM_PM_PBA_MASK                         0x0010
-#define SM_PM_PBB_MASK                         0x0014
-#define SM_PM_PLL0                              0x0020
-#define SM_PM_PLL1                              0x0024
-#define SM_PM_VCTRL                             0x0030
-#define SM_PM_VMREF                             0x0034
-#define SM_PM_VMV                               0x0038
-#define SM_PM_IER                               0x0040
-#define SM_PM_IDR                               0x0044
-#define SM_PM_IMR                               0x0048
-#define SM_PM_ISR                               0x004c
-#define SM_PM_ICR                               0x0050
-#define SM_PM_GCCTRL                            0x0060
-#define SM_RTC_CTRL                             0x0080
-#define SM_RTC_VAL                              0x0084
-#define SM_RTC_TOP                              0x0088
-#define SM_RTC_IER                              0x0090
-#define SM_RTC_IDR                              0x0094
-#define SM_RTC_IMR                              0x0098
-#define SM_RTC_ISR                              0x009c
-#define SM_RTC_ICR                              0x00a0
-#define SM_WDT_CTRL                             0x00b0
-#define SM_WDT_CLR                              0x00b4
-#define SM_WDT_EXT                              0x00b8
-#define SM_RC_RCAUSE                            0x00c0
-#define SM_EIM_IER                              0x0100
-#define SM_EIM_IDR                              0x0104
-#define SM_EIM_IMR                              0x0108
-#define SM_EIM_ISR                              0x010c
-#define SM_EIM_ICR                              0x0110
-#define SM_EIM_MODE                             0x0114
-#define SM_EIM_EDGE                             0x0118
-#define SM_EIM_LEVEL                            0x011c
-#define SM_EIM_TEST                             0x0120
-#define SM_EIM_NMIC                             0x0124
-
-/* Bitfields in PM_MCCTRL */
-
-/* Bitfields in PM_CKSEL */
-#define SM_CPUSEL_OFFSET                        0
-#define SM_CPUSEL_SIZE                          3
-#define SM_CPUDIV_OFFSET                        7
-#define SM_CPUDIV_SIZE                          1
-#define SM_HSBSEL_OFFSET                        8
-#define SM_HSBSEL_SIZE                          3
-#define SM_HSBDIV_OFFSET                        15
-#define SM_HSBDIV_SIZE                          1
-#define SM_PBASEL_OFFSET                       16
-#define SM_PBASEL_SIZE                         3
-#define SM_PBADIV_OFFSET                       23
-#define SM_PBADIV_SIZE                         1
-#define SM_PBBSEL_OFFSET                       24
-#define SM_PBBSEL_SIZE                         3
-#define SM_PBBDIV_OFFSET                       31
-#define SM_PBBDIV_SIZE                         1
-
-/* Bitfields in PM_CPU_MASK */
-
-/* Bitfields in PM_HSB_MASK */
-
-/* Bitfields in PM_PBA_MASK */
-
-/* Bitfields in PM_PBB_MASK */
-
-/* Bitfields in PM_PLL0 */
-#define SM_PLLEN_OFFSET                         0
-#define SM_PLLEN_SIZE                           1
-#define SM_PLLOSC_OFFSET                        1
-#define SM_PLLOSC_SIZE                          1
-#define SM_PLLOPT_OFFSET                        2
-#define SM_PLLOPT_SIZE                          3
-#define SM_PLLDIV_OFFSET                        8
-#define SM_PLLDIV_SIZE                          8
-#define SM_PLLMUL_OFFSET                        16
-#define SM_PLLMUL_SIZE                          8
-#define SM_PLLCOUNT_OFFSET                      24
-#define SM_PLLCOUNT_SIZE                        6
-#define SM_PLLTEST_OFFSET                       31
-#define SM_PLLTEST_SIZE                         1
-
-/* Bitfields in PM_PLL1 */
-
-/* Bitfields in PM_VCTRL */
-#define SM_VAUTO_OFFSET                         0
-#define SM_VAUTO_SIZE                           1
-#define SM_PM_VCTRL_VAL_OFFSET                  8
-#define SM_PM_VCTRL_VAL_SIZE                    7
-
-/* Bitfields in PM_VMREF */
-#define SM_REFSEL_OFFSET                        0
-#define SM_REFSEL_SIZE                          4
-
-/* Bitfields in PM_VMV */
-#define SM_PM_VMV_VAL_OFFSET                    0
-#define SM_PM_VMV_VAL_SIZE                      8
-
-/* Bitfields in PM_IER */
-
-/* Bitfields in PM_IDR */
-
-/* Bitfields in PM_IMR */
-
-/* Bitfields in PM_ISR */
-
-/* Bitfields in PM_ICR */
-#define SM_LOCK0_OFFSET                         0
-#define SM_LOCK0_SIZE                           1
-#define SM_LOCK1_OFFSET                         1
-#define SM_LOCK1_SIZE                           1
-#define SM_WAKE_OFFSET                          2
-#define SM_WAKE_SIZE                            1
-#define SM_VOK_OFFSET                           3
-#define SM_VOK_SIZE                             1
-#define SM_VMRDY_OFFSET                         4
-#define SM_VMRDY_SIZE                           1
-#define SM_CKRDY_OFFSET                         5
-#define SM_CKRDY_SIZE                           1
-
-/* Bitfields in PM_GCCTRL */
-#define SM_OSCSEL_OFFSET                        0
-#define SM_OSCSEL_SIZE                          1
-#define SM_PLLSEL_OFFSET                        1
-#define SM_PLLSEL_SIZE                          1
-#define SM_CEN_OFFSET                           2
-#define SM_CEN_SIZE                             1
-#define SM_CPC_OFFSET                           3
-#define SM_CPC_SIZE                             1
-#define SM_DIVEN_OFFSET                         4
-#define SM_DIVEN_SIZE                           1
-#define SM_DIV_OFFSET                           8
-#define SM_DIV_SIZE                             8
-
-/* Bitfields in RTC_CTRL */
-#define SM_PCLR_OFFSET                          1
-#define SM_PCLR_SIZE                            1
-#define SM_TOPEN_OFFSET                         2
-#define SM_TOPEN_SIZE                           1
-#define SM_CLKEN_OFFSET                         3
-#define SM_CLKEN_SIZE                           1
-#define SM_PSEL_OFFSET                          8
-#define SM_PSEL_SIZE                            16
-
-/* Bitfields in RTC_VAL */
-#define SM_RTC_VAL_VAL_OFFSET                   0
-#define SM_RTC_VAL_VAL_SIZE                     31
-
-/* Bitfields in RTC_TOP */
-#define SM_RTC_TOP_VAL_OFFSET                   0
-#define SM_RTC_TOP_VAL_SIZE                     32
-
-/* Bitfields in RTC_IER */
-
-/* Bitfields in RTC_IDR */
-
-/* Bitfields in RTC_IMR */
-
-/* Bitfields in RTC_ISR */
-
-/* Bitfields in RTC_ICR */
-#define SM_TOPI_OFFSET                          0
-#define SM_TOPI_SIZE                            1
-
-/* Bitfields in WDT_CTRL */
-#define SM_KEY_OFFSET                           24
-#define SM_KEY_SIZE                             8
-
-/* Bitfields in WDT_CLR */
-
-/* Bitfields in WDT_EXT */
-
-/* Bitfields in RC_RCAUSE */
-#define SM_POR_OFFSET                           0
-#define SM_POR_SIZE                             1
-#define SM_BOD_OFFSET                           1
-#define SM_BOD_SIZE                             1
-#define SM_EXT_OFFSET                           2
-#define SM_EXT_SIZE                             1
-#define SM_WDT_OFFSET                           3
-#define SM_WDT_SIZE                             1
-#define SM_NTAE_OFFSET                          4
-#define SM_NTAE_SIZE                            1
-#define SM_SERP_OFFSET                          5
-#define SM_SERP_SIZE                            1
-
-/* Bitfields in EIM_IER */
-
-/* Bitfields in EIM_IDR */
-
-/* Bitfields in EIM_IMR */
-
-/* Bitfields in EIM_ISR */
-
-/* Bitfields in EIM_ICR */
-
-/* Bitfields in EIM_MODE */
-
-/* Bitfields in EIM_EDGE */
-#define SM_INT0_OFFSET                          0
-#define SM_INT0_SIZE                            1
-#define SM_INT1_OFFSET                          1
-#define SM_INT1_SIZE                            1
-#define SM_INT2_OFFSET                          2
-#define SM_INT2_SIZE                            1
-#define SM_INT3_OFFSET                          3
-#define SM_INT3_SIZE                            1
-
-/* Bitfields in EIM_LEVEL */
-
-/* Bitfields in EIM_TEST */
-#define SM_TESTEN_OFFSET                        31
-#define SM_TESTEN_SIZE                          1
-
-/* Bitfields in EIM_NMIC */
-#define SM_EN_OFFSET                            0
-#define SM_EN_SIZE                              1
-
-/* Bit manipulation macros */
-#define SM_BIT(name)                            (1 << SM_##name##_OFFSET)
-#define SM_BF(name,value)                       (((value) & ((1 << SM_##name##_SIZE) - 1)) << SM_##name##_OFFSET)
-#define SM_BFEXT(name,value)                    (((value) >> SM_##name##_OFFSET) & ((1 << SM_##name##_SIZE) - 1))
-#define SM_BFINS(name,value,old)                (((old) & ~(((1 << SM_##name##_SIZE) - 1) << SM_##name##_OFFSET)) | SM_BF(name,value))
-
-/* Register access macros */
-#define sm_readl(port,reg)					\
-	__raw_readl((port)->regs + SM_##reg)
-#define sm_writel(port,reg,value)				\
-	__raw_writel((value), (port)->regs + SM_##reg)
-
-#endif /* __ASM_AVR32_SM_H__ */
diff -x .git -Nur linux-2.6.22.1/arch/avr32/Makefile linux-avr32.git/arch/avr32/Makefile
--- linux-2.6.22.1/arch/avr32/Makefile	2007-07-10 20:56:30.000000000 +0200
+++ linux-avr32.git/arch/avr32/Makefile	2007-06-06 11:33:46.000000000 +0200
@@ -31,6 +31,7 @@
 core-$(CONFIG_LOADER_U_BOOT)		+= arch/avr32/boot/u-boot/
 core-y					+= arch/avr32/kernel/
 core-y					+= arch/avr32/mm/
+drivers-y				+= arch/avr32/drivers/
 libs-y					+= arch/avr32/lib/
 
 archincdir-$(CONFIG_PLATFORM_AT32AP)	:= arch-at32ap
diff -x .git -Nur linux-2.6.22.1/arch/avr32/mm/dma-coherent.c linux-avr32.git/arch/avr32/mm/dma-coherent.c
--- linux-2.6.22.1/arch/avr32/mm/dma-coherent.c	2007-07-10 20:56:30.000000000 +0200
+++ linux-avr32.git/arch/avr32/mm/dma-coherent.c	2007-07-12 13:59:49.000000000 +0200
@@ -41,6 +41,13 @@
 	struct page *page, *free, *end;
 	int order;
 
+	/* Following is a work-around (a.k.a. hack) to prevent pages
+	 * with __GFP_COMP being passed to split_page() which cannot
+	 * handle them.  The real problem is that this flag probably
+	 * should be 0 on AVR32 as it is not supported on this
+	 * platform--see CONFIG_HUGETLB_PAGE. */
+	gfp &= ~(__GFP_COMP);
+
 	size = PAGE_ALIGN(size);
 	order = get_order(size);
 
diff -x .git -Nur linux-2.6.22.1/drivers/char/watchdog/at32ap700x_wdt.c linux-avr32.git/drivers/char/watchdog/at32ap700x_wdt.c
--- linux-2.6.22.1/drivers/char/watchdog/at32ap700x_wdt.c	1970-01-01 01:00:00.000000000 +0100
+++ linux-avr32.git/drivers/char/watchdog/at32ap700x_wdt.c	2007-07-12 13:59:59.000000000 +0200
@@ -0,0 +1,325 @@
+/*
+ * Watchdog driver for Atmel AT32AP700X devices
+ *
+ * Copyright (C) 2005-2006 Atmel Corporation
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#include <linux/init.h>
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/moduleparam.h>
+#include <linux/miscdevice.h>
+#include <linux/fs.h>
+#include <linux/platform_device.h>
+#include <linux/watchdog.h>
+#include <linux/uaccess.h>
+#include <linux/io.h>
+
+#define TIMEOUT_MIN		1
+#define TIMEOUT_DEFAULT		CONFIG_AT32AP700X_WDT_TIMEOUT
+#define TIMEOUT_MAX		2
+
+/* Watchdog registers and write/read macro */
+#define	WDT_CTRL		0x00
+#define WDT_CTRL_EN		   0
+#define WDT_CTRL_PSEL		   8
+#define WDT_CTRL_KEY		  24
+
+#define WDT_CLR			0x04
+
+#define WDT_BIT(name)		(1 << WDT_##name)
+#define WDT_BF(name,value)	((value) << WDT_##name)
+
+#define wdt_readl(dev,reg)				\
+	__raw_readl((dev)->regs + WDT_##reg)
+#define wdt_writel(dev,reg,value)			\
+	__raw_writel((value), (dev)->regs + WDT_##reg)
+
+struct wdt_at32ap700x {
+	void __iomem		*regs;
+	int			timeout;
+	int			users;
+	struct miscdevice	miscdev;
+};
+
+static struct wdt_at32ap700x *wdt;
+
+/*
+ * Disable the watchdog.
+ */
+static void inline at32_wdt_stop(void)
+{
+	unsigned long psel = wdt_readl(wdt, CTRL) & WDT_BF(CTRL_PSEL, 0x0f);
+	wdt_writel(wdt, CTRL, psel | WDT_BF(CTRL_KEY, 0x55));
+	wdt_writel(wdt, CTRL, psel | WDT_BF(CTRL_KEY, 0xaa));
+}
+
+/*
+ * Enable and reset the watchdog.
+ */
+static void inline at32_wdt_start(void)
+{
+	/* 0xf is 2^16 divider = 2 sec, 0xe is 2^15 divider = 1 sec */
+	unsigned long psel = (wdt->timeout > 1) ? 0xf : 0xe;
+
+	wdt_writel(wdt, CTRL, WDT_BIT(CTRL_EN)
+			| WDT_BF(CTRL_PSEL, psel)
+			| WDT_BF(CTRL_KEY, 0x55));
+	wdt_writel(wdt, CTRL, WDT_BIT(CTRL_EN)
+			| WDT_BF(CTRL_PSEL, psel)
+			| WDT_BF(CTRL_KEY, 0xaa));
+}
+
+/*
+ * Pat the watchdog timer.
+ */
+static void inline at32_wdt_pat(void)
+{
+	wdt_writel(wdt, CLR, 0x42);
+}
+
+/*
+ * Watchdog device is opened, and watchdog starts running.
+ */
+static int at32_wdt_open(struct inode *inode, struct file *file)
+{
+	if (test_and_set_bit(1, &wdt->users))
+		return -EBUSY;
+
+	at32_wdt_start();
+	return nonseekable_open(inode, file);
+}
+
+/*
+ * Close the watchdog device. If CONFIG_WATCHDOG_NOWAYOUT is _not_ defined then
+ * the watchdog is also disabled.
+ */
+static int at32_wdt_close(struct inode *inode, struct file *file)
+{
+#ifndef CONFIG_WATCHDOG_NOWAYOUT
+	at32_wdt_stop();
+#endif
+	clear_bit(1, &wdt->users);
+	return 0;
+}
+
+/*
+ * Change the watchdog time interval.
+ */
+static int at32_wdt_settimeout(int time)
+{
+	/*
+	 * All counting occurs at 1 / SLOW_CLOCK (32 kHz) and max prescaler is
+	 * 2 ^ 16 allowing up to 2 seconds timeout.
+	 */
+	if ((time < TIMEOUT_MIN) || (time > TIMEOUT_MAX))
+		return -EINVAL;
+
+	/*
+	 * Set new watchdog time. It will be used when at32_wdt_start() is
+	 * called.
+	 */
+	wdt->timeout = time;
+	return 0;
+}
+
+static struct watchdog_info at32_wdt_info = {
+	.identity	= "at32ap700x watchdog",
+	.options	= WDIOF_SETTIMEOUT | WDIOF_KEEPALIVEPING,
+};
+
+/*
+ * Handle commands from user-space.
+ */
+static int at32_wdt_ioctl(struct inode *inode, struct file *file,
+		unsigned int cmd, unsigned long arg)
+{
+	int ret = -ENOTTY;
+	int time;
+	void __user *argp = (void __user *)arg;
+	int __user *p = argp;
+
+	switch (cmd) {
+	case WDIOC_KEEPALIVE:
+		at32_wdt_pat();
+		ret = 0;
+		break;
+	case WDIOC_GETSUPPORT:
+		ret = copy_to_user(argp, &at32_wdt_info,
+				sizeof(at32_wdt_info)) ? -EFAULT : 0;
+		break;
+	case WDIOC_SETTIMEOUT:
+		ret = get_user(time, p);
+		if (ret)
+			break;
+		ret = at32_wdt_settimeout(time);
+		if (ret)
+			break;
+		/* Enable new time value */
+		at32_wdt_start();
+		/* fall through */
+	case WDIOC_GETTIMEOUT:
+		ret = put_user(wdt->timeout, p);
+		break;
+	case WDIOC_GETSTATUS: /* fall through */
+	case WDIOC_GETBOOTSTATUS:
+		ret = put_user(0, p);
+		break;
+	case WDIOC_SETOPTIONS:
+		ret = get_user(time, p);
+		if (ret)
+			break;
+		if (time & WDIOS_DISABLECARD)
+			at32_wdt_stop();
+		if (time & WDIOS_ENABLECARD)
+			at32_wdt_start();
+		ret = 0;
+		break;
+	}
+
+	return ret;
+}
+
+static ssize_t at32_wdt_write(struct file *file, const char *data, size_t len,
+				loff_t *ppos)
+{
+	at32_wdt_pat();
+	return len;
+}
+
+static const struct file_operations at32_wdt_fops = {
+	.owner		= THIS_MODULE,
+	.llseek		= no_llseek,
+	.ioctl		= at32_wdt_ioctl,
+	.open		= at32_wdt_open,
+	.release	= at32_wdt_close,
+	.write		= at32_wdt_write,
+};
+
+static int __init at32_wdt_probe(struct platform_device *pdev)
+{
+	struct resource	*regs;
+	int ret;
+
+	if (wdt) {
+		dev_dbg(&pdev->dev, "only 1 wdt instance supported.\n");
+		return -EBUSY;
+	}
+
+	regs = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+	if (!regs) {
+		dev_dbg(&pdev->dev, "missing mmio resource\n");
+		return -ENXIO;
+	}
+
+	wdt = kzalloc(sizeof(struct wdt_at32ap700x), GFP_KERNEL);
+	if (!wdt) {
+		dev_dbg(&pdev->dev, "no memory for wdt structure\n");
+		return -ENOMEM;
+	}
+
+	wdt->regs = ioremap(regs->start, regs->end - regs->start + 1);
+	if (!wdt->regs) {
+		ret = -ENOMEM;
+		dev_dbg(&pdev->dev, "could not map I/O memory\n");
+		goto err_free;
+	}
+	wdt->users = 0;
+	wdt->miscdev.minor = WATCHDOG_MINOR;
+	wdt->miscdev.name = "watchdog";
+	wdt->miscdev.fops = &at32_wdt_fops;
+
+	if (at32_wdt_settimeout(TIMEOUT_DEFAULT)) {
+		at32_wdt_settimeout(TIMEOUT_MAX);
+		dev_dbg(&pdev->dev,
+			"default timeout invalid, set to %d sec.\n",
+			TIMEOUT_MAX);
+	}
+
+	ret = misc_register(&wdt->miscdev);
+	if (ret) {
+		dev_dbg(&pdev->dev, "failed to register wdt miscdev\n");
+		goto err_iounmap;
+	}
+
+	platform_set_drvdata(pdev, wdt);
+	wdt->miscdev.parent = &pdev->dev;
+	dev_info(&pdev->dev, "AT32AP700X WDT at 0x%p\n", wdt->regs);
+
+	return 0;
+
+err_iounmap:
+	iounmap(wdt->regs);
+err_free:
+	kfree(wdt);
+	wdt = NULL;
+	return ret;
+}
+
+static int __exit at32_wdt_remove(struct platform_device *pdev)
+{
+	if (wdt && platform_get_drvdata(pdev) == wdt) {
+		misc_deregister(&wdt->miscdev);
+		iounmap(wdt->regs);
+		kfree(wdt);
+		wdt = NULL;
+		platform_set_drvdata(pdev, NULL);
+	}
+
+	return 0;
+}
+
+static void at32_wdt_shutdown(struct platform_device *pdev)
+{
+	at32_wdt_stop();
+}
+
+#ifdef CONFIG_PM
+static int at32_wdt_suspend(struct platform_device *pdev, pm_message_t message)
+{
+	at32_wdt_stop();
+	return 0;
+}
+
+static int at32_wdt_resume(struct platform_device *pdev)
+{
+	if (wdt->users)
+		at32_wdt_start();
+	return 0;
+}
+#else
+#define at32_wdt_suspend NULL
+#define at32_wdt_resume NULL
+#endif
+
+static struct platform_driver at32_wdt_driver = {
+	.remove		= __exit_p(at32_wdt_remove),
+	.suspend	= at32_wdt_suspend,
+	.resume		= at32_wdt_resume,
+	.driver		= {
+		.name	= "at32_wdt",
+		.owner	= THIS_MODULE,
+	},
+	.shutdown	= at32_wdt_shutdown,
+};
+
+static int __init at32_wdt_init(void)
+{
+	return platform_driver_probe(&at32_wdt_driver, at32_wdt_probe);
+}
+module_init(at32_wdt_init);
+
+static void __exit at32_wdt_exit(void)
+{
+	platform_driver_unregister(&at32_wdt_driver);
+}
+module_exit(at32_wdt_exit);
+
+MODULE_AUTHOR("Hans-Christian Egtvedt <hcegtvedt@atmel.com>");
+MODULE_DESCRIPTION("Watchdog driver for Atmel AT32AP700X");
+MODULE_LICENSE("GPL");
+MODULE_ALIAS_MISCDEV(WATCHDOG_MINOR);
diff -x .git -Nur linux-2.6.22.1/drivers/char/watchdog/Kconfig linux-avr32.git/drivers/char/watchdog/Kconfig
--- linux-2.6.22.1/drivers/char/watchdog/Kconfig	2007-07-10 20:56:30.000000000 +0200
+++ linux-avr32.git/drivers/char/watchdog/Kconfig	2007-07-12 13:59:59.000000000 +0200
@@ -187,6 +187,26 @@
 
 	  Say N if you are unsure.
 
+# AVR32 Architecture
+
+config AT32AP700X_WDT
+	tristate "AT32AP700x watchdog"
+	depends on WATCHDOG && CPU_AT32AP7000
+	help
+	  Watchdog timer embedded into AT32AP700x devices. This will reboot
+	  your system when the timeout is reached.
+
+config AT32AP700X_WDT_TIMEOUT
+	int "Timeout value for AT32AP700x watchdog"
+	depends on AT32AP700X_WDT
+	default "2"
+	range 1 2
+	help
+	  Sets the timeout value for the watchdog in AT32AP700x devices.
+	  Limited by hardware to be 1 or 2 seconds.
+
+	  Set to 2 seconds by default.
+
 # X86 (i386 + ia64 + x86_64) Architecture
 
 config ACQUIRE_WDT
diff -x .git -Nur linux-2.6.22.1/drivers/char/watchdog/Makefile linux-avr32.git/drivers/char/watchdog/Makefile
--- linux-2.6.22.1/drivers/char/watchdog/Makefile	2007-07-10 20:56:30.000000000 +0200
+++ linux-avr32.git/drivers/char/watchdog/Makefile	2007-07-12 13:59:59.000000000 +0200
@@ -36,6 +36,9 @@
 obj-$(CONFIG_EP93XX_WATCHDOG) += ep93xx_wdt.o
 obj-$(CONFIG_PNX4008_WATCHDOG) += pnx4008_wdt.o
 
+# AVR32 Architecture
+obj-$(CONFIG_AT32AP700X_WDT) += at32ap700x_wdt.o
+
 # X86 (i386 + ia64 + x86_64) Architecture
 obj-$(CONFIG_ACQUIRE_WDT) += acquirewdt.o
 obj-$(CONFIG_ADVANTECH_WDT) += advantechwdt.o
diff -x .git -Nur linux-2.6.22.1/drivers/i2c/busses/atmeltwi.h linux-avr32.git/drivers/i2c/busses/atmeltwi.h
--- linux-2.6.22.1/drivers/i2c/busses/atmeltwi.h	1970-01-01 01:00:00.000000000 +0100
+++ linux-avr32.git/drivers/i2c/busses/atmeltwi.h	2007-06-06 11:33:51.000000000 +0200
@@ -0,0 +1,117 @@
+/*
+ * Register definitions for the Atmel Two-Wire Interface
+ */
+
+#ifndef __ASM_AVR32_TWI_H__
+#define __ASM_AVR32_TWI_H__
+
+/* TWI register offsets */
+#define TWI_CR					0x0000
+#define TWI_MMR					0x0004
+#define TWI_SMR					0x0008
+#define TWI_IADR				0x000c
+#define TWI_CWGR				0x0010
+#define TWI_SR					0x0020
+#define TWI_IER					0x0024
+#define TWI_IDR					0x0028
+#define TWI_IMR					0x002c
+#define TWI_RHR					0x0030
+#define TWI_THR					0x0034
+
+/* Bitfields in CR */
+#define TWI_START_OFFSET			0
+#define TWI_START_SIZE				1
+#define TWI_STOP_OFFSET				1
+#define TWI_STOP_SIZE				1
+#define TWI_MSEN_OFFSET				2
+#define TWI_MSEN_SIZE				1
+#define TWI_MSDIS_OFFSET			3
+#define TWI_MSDIS_SIZE				1
+#define TWI_SVEN_OFFSET				4
+#define TWI_SVEN_SIZE				1
+#define TWI_SVDIS_OFFSET			5
+#define TWI_SVDIS_SIZE				1
+#define TWI_SWRST_OFFSET			7
+#define TWI_SWRST_SIZE				1
+
+/* Bitfields in MMR */
+#define TWI_IADRSZ_OFFSET			8
+#define TWI_IADRSZ_SIZE				2
+#define TWI_MREAD_OFFSET			12
+#define TWI_MREAD_SIZE				1
+#define TWI_DADR_OFFSET				16
+#define TWI_DADR_SIZE				7
+
+/* Bitfields in SMR */
+#define TWI_SADR_OFFSET				16
+#define TWI_SADR_SIZE				7
+
+/* Bitfields in IADR */
+#define TWI_IADR_OFFSET				0
+#define TWI_IADR_SIZE				24
+
+/* Bitfields in CWGR */
+#define TWI_CLDIV_OFFSET			0
+#define TWI_CLDIV_SIZE				8
+#define TWI_CHDIV_OFFSET			8
+#define TWI_CHDIV_SIZE				8
+#define TWI_CKDIV_OFFSET			16
+#define TWI_CKDIV_SIZE				3
+
+/* Bitfields in SR */
+#define TWI_TXCOMP_OFFSET			0
+#define TWI_TXCOMP_SIZE				1
+#define TWI_RXRDY_OFFSET			1
+#define TWI_RXRDY_SIZE				1
+#define TWI_TXRDY_OFFSET			2
+#define TWI_TXRDY_SIZE				1
+#define TWI_SVDIR_OFFSET			3
+#define TWI_SVDIR_SIZE				1
+#define TWI_SVACC_OFFSET			4
+#define TWI_SVACC_SIZE				1
+#define TWI_GCACC_OFFSET			5
+#define TWI_GCACC_SIZE				1
+#define TWI_OVRE_OFFSET				6
+#define TWI_OVRE_SIZE				1
+#define TWI_UNRE_OFFSET				7
+#define TWI_UNRE_SIZE				1
+#define TWI_NACK_OFFSET				8
+#define TWI_NACK_SIZE				1
+#define TWI_ARBLST_OFFSET			9
+#define TWI_ARBLST_SIZE				1
+
+/* Bitfields in RHR */
+#define TWI_RXDATA_OFFSET			0
+#define TWI_RXDATA_SIZE				8
+
+/* Bitfields in THR */
+#define TWI_TXDATA_OFFSET			0
+#define TWI_TXDATA_SIZE				8
+
+/* Constants for IADRSZ */
+#define TWI_IADRSZ_NO_ADDR			0
+#define TWI_IADRSZ_ONE_BYTE			1
+#define TWI_IADRSZ_TWO_BYTES			2
+#define TWI_IADRSZ_THREE_BYTES			3
+
+/* Bit manipulation macros */
+#define TWI_BIT(name)					\
+	(1 << TWI_##name##_OFFSET)
+#define TWI_BF(name,value)				\
+	(((value) & ((1 << TWI_##name##_SIZE) - 1))	\
+	 << TWI_##name##_OFFSET)
+#define TWI_BFEXT(name,value)				\
+	(((value) >> TWI_##name##_OFFSET)		\
+	 & ((1 << TWI_##name##_SIZE) - 1))
+#define TWI_BFINS(name,value,old)			\
+	(((old) & ~(((1 << TWI_##name##_SIZE) - 1)	\
+		    << TWI_##name##_OFFSET))		\
+	 | TWI_BF(name,value))
+
+/* Register access macros */
+#define twi_readl(port,reg)				\
+	__raw_readl((port)->regs + TWI_##reg)
+#define twi_writel(port,reg,value)			\
+	__raw_writel((value), (port)->regs + TWI_##reg)
+
+#endif /* __ASM_AVR32_TWI_H__ */
diff -x .git -Nur linux-2.6.22.1/drivers/i2c/busses/i2c-atmeltwi.c linux-avr32.git/drivers/i2c/busses/i2c-atmeltwi.c
--- linux-2.6.22.1/drivers/i2c/busses/i2c-atmeltwi.c	1970-01-01 01:00:00.000000000 +0100
+++ linux-avr32.git/drivers/i2c/busses/i2c-atmeltwi.c	2007-07-13 11:24:16.000000000 +0200
@@ -0,0 +1,383 @@
+/*
+ * i2c Support for Atmel's Two-Wire Interface (TWI)
+ *
+ * Based on the work of Copyright (C) 2004 Rick Bronson
+ * Converted to 2.6 by Andrew Victor <andrew at sanpeople.com>
+ * Ported to AVR32 and heavily modified by Espen Krangnes
+ * <ekrangnes at atmel.com>
+ *
+ * Copyright (C) 2006 Atmel Corporation
+ *
+ * Borrowed heavily from the original work by:
+ * Copyright (C) 2000 Philip Edelbrock <phil at stimpy.netroedge.com>
+ *
+ * Partialy rewriten by Karel Hojdar <cmkaho at seznam.cz>
+ * bugs removed, interrupt routine markedly rewritten
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ */
+
+
+#include <linux/err.h>
+#include <linux/module.h>
+#include <linux/kernel.h>
+#include <linux/slab.h>
+#include <linux/types.h>
+#include <linux/delay.h>
+#include <linux/i2c.h>
+#include <linux/init.h>
+#include <linux/clk.h>
+#include <linux/interrupt.h>
+#include <linux/irq.h>
+#include <linux/platform_device.h>
+#include <linux/completion.h>
+#include <asm/io.h>
+#include <linux/time.h>
+#include "atmeltwi.h"
+
+static unsigned int baudrate = CONFIG_I2C_ATMELTWI_BAUDRATE;
+module_param(baudrate, uint, S_IRUSR | S_IWUSR | S_IRGRP | S_IWGRP);
+MODULE_PARM_DESC(baudrate, "The TWI baudrate");
+
+
+struct atmel_twi {
+	void __iomem *regs;
+	struct i2c_adapter adapter;
+	struct clk *pclk;
+	spinlock_t lock;
+	struct completion comp;
+	u32 intmask;
+	u8 *buf;
+	u8 len;
+	u8 acks_left;
+	u8 nack;
+	unsigned int irq;
+
+};
+#define to_atmel_twi(adap) container_of(adap, struct atmel_twi, adapter)
+
+/*
+ * Initialize the TWI hardware registers.
+ */
+static int __devinit twi_hwinit(struct atmel_twi *twi)
+{
+	unsigned long cdiv, ckdiv=0;
+
+	twi_writel(twi, IDR, ~0UL);
+	twi_writel(twi, CR, TWI_BIT(SWRST));	/*Reset peripheral*/
+	twi_readl(twi, SR);
+
+	cdiv = (clk_get_rate(twi->pclk) / (2 * baudrate)) - 4;
+
+	while (cdiv > 255) {
+		ckdiv++;
+		cdiv = cdiv >> 1;
+	}
+
+	if (ckdiv > 7)
+		return -EINVAL;
+	else
+		twi_writel(twi, CWGR, (TWI_BF(CKDIV, ckdiv)
+			       | TWI_BF(CHDIV, cdiv)
+			       | TWI_BF(CLDIV, cdiv)));
+	return 0;
+}
+
+/*
+ * Waits for the i2c status register to set the specified bitmask
+ * Returns 0 if timed out (~100ms).
+ */
+static short twi_complete(struct atmel_twi *twi, u32 mask)
+{
+	int timeout = msecs_to_jiffies(100);
+
+	twi->intmask = mask;
+	init_completion(&twi->comp);
+
+	twi_writel(twi, IER, mask);
+
+	if (!wait_for_completion_timeout(&twi->comp, timeout)) {
+		/* RESET TWI interface */
+		twi_writel(twi, CR, TWI_BIT(SWRST));
+
+		/* Reinitialize TWI */
+		twi_hwinit(twi);
+
+		return -ETIMEDOUT;
+	}
+	return 0;
+}
+
+/*
+ * Generic i2c master transfer entrypoint.
+ */
+static int twi_xfer(struct i2c_adapter *adap, struct i2c_msg msgs[], int num)
+{
+	struct atmel_twi *twi = to_atmel_twi(adap);
+	struct i2c_msg *pmsg;
+	int i;
+
+	/* get first message */
+	pmsg = msgs;
+
+	dev_dbg(&adap->dev, "twi_xfer: processing %d messages:\n", num);
+
+	twi->nack = 0;
+	for (i = 0; i < num; i++, pmsg++) {
+		twi->len = pmsg->len;
+		twi->buf = pmsg->buf;
+		twi->acks_left = pmsg->len;
+		twi_writel(twi, MMR, TWI_BF(DADR, pmsg->addr) |
+			(pmsg->flags & I2C_M_RD ? TWI_BIT(MREAD) : 0));
+		twi_writel(twi, IADR, TWI_BF(IADR, pmsg->addr));
+
+		dev_dbg(&adap->dev,"#%d: internal addr %d %s byte%s %s 0x%02x\n",
+			i,pmsg->len, pmsg->flags & I2C_M_RD ? "reading" : "writing",
+			pmsg->len > 1 ? "s" : "",
+			pmsg->flags & I2C_M_RD ? "from" : "to", pmsg->addr);
+
+		/* enable */
+		twi_writel(twi, CR, TWI_BIT(MSEN));
+
+		if (pmsg->flags & I2C_M_RD) {
+			if (twi->len == 1)
+				twi_writel(twi, CR,
+					TWI_BIT(START) | TWI_BIT(STOP));
+			else
+				twi_writel(twi, CR, TWI_BIT(START));
+
+			if (twi_complete(twi, TWI_BIT(RXRDY)) == -ETIMEDOUT) {
+				dev_dbg(&adap->dev, "RXRDY timeout. Stopped with %d bytes left\n",
+					twi->acks_left);
+				return -ETIMEDOUT;
+			}
+		} else {
+			twi_writel(twi, THR, twi->buf[0]);
+			if (twi_complete(twi, TWI_BIT(TXRDY)) == -ETIMEDOUT) {
+				dev_dbg(&adap->dev, "TXRDY timeout. Stopped with %d bytes left\n",
+				twi->acks_left);
+				return -ETIMEDOUT;
+			}
+
+			if (twi->nack)
+			    return -ENODEV;
+		}
+
+		/* Disable TWI interface */
+		twi_writel(twi, CR, TWI_BIT(MSDIS));
+
+	} /* end cur msg */
+
+	return i;
+}
+
+
+static irqreturn_t twi_interrupt(int irq, void *dev_id)
+{
+	struct atmel_twi *twi = dev_id;
+	int status = twi_readl(twi, SR);
+
+	/* Save state for later debug prints */
+	int old_mask = twi->intmask;
+	int old_status = status;
+
+	if (twi->intmask & status) {
+		if (status & TWI_BIT(NACK))
+			goto nack;
+
+		status &= twi->intmask;
+
+		if (status & TWI_BIT(TXCOMP))
+		    goto complete;
+
+		else if (status & TWI_BIT(RXRDY)) {
+			if ( twi->acks_left > 0 ) {
+			    twi->buf[twi->len - twi->acks_left] =
+				twi_readl(twi, RHR);
+			    twi->acks_left--;
+			}
+			if ( twi->acks_left == 1 )
+				twi_writel(twi, CR, TWI_BIT(STOP));
+
+			if (twi->acks_left == 0 ) {
+				twi->intmask = TWI_BIT(TXCOMP);
+				twi_writel(twi, IER, TWI_BIT(TXCOMP));
+			}
+		} else if (status & TWI_BIT(TXRDY)) {
+			twi->acks_left--;
+			if ( twi->acks_left == 0 ) {
+				twi->intmask = TWI_BIT(TXCOMP);
+				twi_writel(twi, IER, TWI_BIT(TXCOMP));
+			} else if (twi->acks_left > 0)
+				twi_writel(twi, THR, twi->buf[twi->len - twi->acks_left]);
+		}
+	}
+
+	dev_dbg(&twi->adapter.dev,
+		"TWI ISR, SR 0x%08X, intmask 0x%08X, acks_left %i.\n",
+		old_status, old_mask, twi->acks_left);
+
+	return IRQ_HANDLED;
+
+nack:
+	dev_dbg(&twi->adapter.dev, "NACK received!\n");
+	twi->nack = 1;
+
+complete:
+	twi_writel(twi, IDR, ~0UL);
+	complete(&twi->comp);
+
+	dev_dbg(&twi->adapter.dev,
+		"TWI ISR, SR 0x%08X, intmask 0x%08X, \
+		acks_left %i - completed.\n",
+		old_status, old_mask, twi->acks_left);
+
+	return IRQ_HANDLED;
+}
+
+
+/*
+ * Return list of supported functionality.
+ */
+static u32 twi_func(struct i2c_adapter *adapter)
+{
+	return I2C_FUNC_I2C | I2C_FUNC_SMBUS_EMUL;
+}
+
+/* For now, we only handle combined mode (smbus) */
+static struct i2c_algorithm twi_algorithm = {
+	.master_xfer	= twi_xfer,
+	.functionality	= twi_func,
+};
+
+/*
+ * Main initialization routine.
+ */
+static int __devinit twi_probe(struct platform_device *pdev)
+{
+	struct atmel_twi *twi;
+	struct resource *regs;
+	struct clk *pclk;
+	struct i2c_adapter *adapter;
+	int rc, irq;
+
+	regs = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+	if (!regs)
+		return -ENXIO;
+
+	pclk = clk_get(&pdev->dev, "pclk");
+	if (IS_ERR(pclk))
+		return PTR_ERR(pclk);
+	clk_enable(pclk);
+
+	rc = -ENOMEM;
+	twi = kzalloc(sizeof(struct atmel_twi), GFP_KERNEL);
+	if (!twi) {
+		dev_err(&pdev->dev, "can't allocate interface!\n");
+		goto err_alloc_twi;
+	}
+
+	twi->pclk = pclk;
+	twi->regs = ioremap(regs->start, regs->end - regs->start + 1);
+	if (!twi->regs)
+		goto err_ioremap;
+
+	irq = platform_get_irq(pdev,0);
+	rc = request_irq(irq, twi_interrupt, 0, "twi", twi);
+	if (rc) {
+		dev_err(&pdev->dev, "can't bind irq!\n");
+		goto err_irq;
+	}
+	twi->irq = irq;
+
+	rc = twi_hwinit(twi);
+	if (rc) {
+		dev_err(&pdev->dev, "Unable to set baudrate\n");
+		goto err_hw_init;
+	}
+
+	adapter = &twi->adapter;
+	sprintf(adapter->name, "TWI");
+	adapter->algo = &twi_algorithm;
+	adapter->class = I2C_CLASS_HWMON;
+	adapter->dev.parent = &pdev->dev;
+
+	platform_set_drvdata(pdev, twi);
+
+	rc = i2c_add_adapter(adapter);
+	if (rc) {
+		dev_err(&pdev->dev, "Adapter %s registration failed\n",
+			adapter->name);
+		goto err_register;
+	}
+
+	dev_info(&pdev->dev, "Atmel TWI i2c bus device (baudrate %dk) at 0x%08lx.\n",
+		 baudrate/1000, (unsigned long)regs->start);
+
+	return 0;
+
+
+err_register:
+	platform_set_drvdata(pdev, NULL);
+
+err_hw_init:
+	free_irq(irq, twi);
+
+err_irq:
+	iounmap(twi->regs);
+
+err_ioremap:
+	kfree(twi);
+
+err_alloc_twi:
+	clk_disable(pclk);
+	clk_put(pclk);
+
+	return rc;
+}
+
+static int __devexit twi_remove(struct platform_device *pdev)
+{
+	struct atmel_twi *twi = platform_get_drvdata(pdev);
+	int res;
+
+	platform_set_drvdata(pdev, NULL);
+	res = i2c_del_adapter(&twi->adapter);
+	twi_writel(twi, CR, TWI_BIT(MSDIS));
+	iounmap(twi->regs);
+	clk_disable(twi->pclk);
+	clk_put(twi->pclk);
+	free_irq(twi->irq, twi);
+	kfree(twi);
+
+	return res;
+}
+
+static struct platform_driver twi_driver = {
+	.probe		= twi_probe,
+	.remove		= __devexit_p(twi_remove),
+	.driver		= {
+		.name	= "atmel_twi",
+		.owner	= THIS_MODULE,
+	},
+};
+
+static int __init atmel_twi_init(void)
+{
+	return platform_driver_register(&twi_driver);
+}
+
+static void __exit atmel_twi_exit(void)
+{
+	platform_driver_unregister(&twi_driver);
+}
+
+module_init(atmel_twi_init);
+module_exit(atmel_twi_exit);
+
+MODULE_AUTHOR("Espen Krangnes");
+MODULE_DESCRIPTION("I2C driver for Atmel TWI");
+MODULE_LICENSE("GPL");
diff -x .git -Nur linux-2.6.22.1/drivers/i2c/busses/Kconfig linux-avr32.git/drivers/i2c/busses/Kconfig
--- linux-2.6.22.1/drivers/i2c/busses/Kconfig	2007-07-10 20:56:30.000000000 +0200
+++ linux-avr32.git/drivers/i2c/busses/Kconfig	2007-07-12 13:59:59.000000000 +0200
@@ -4,6 +4,26 @@
 
 menu "I2C Hardware Bus support"
 
+config I2C_ATMELTWI
+	tristate "Atmel TWI/I2C"
+	depends on I2C
+	help
+	  Atmel on-chip TWI controller. Say Y if you have an AT32 or
+	  AT91-based device and want to use its built-in TWI
+	  functionality. Atmel's TWI is compatible with Philips' I2C
+	  protocol. If in doubt, say NO
+
+config I2C_ATMELTWI_BAUDRATE
+	prompt "Atmel TWI baudrate"
+	depends on I2C_ATMELTWI
+	int
+	default 100000
+	help
+	  Set the TWI/I2C baudrate. This will alter the default value. A
+	  different baudrate can be set by using a module parameter as well. If
+	  no parameter is provided when loading, this is the value that will be
+	  used.
+
 config I2C_ALI1535
 	tristate "ALI 1535"
 	depends on PCI
diff -x .git -Nur linux-2.6.22.1/drivers/i2c/busses/Makefile linux-avr32.git/drivers/i2c/busses/Makefile
--- linux-2.6.22.1/drivers/i2c/busses/Makefile	2007-07-10 20:56:30.000000000 +0200
+++ linux-avr32.git/drivers/i2c/busses/Makefile	2007-07-12 13:59:59.000000000 +0200
@@ -52,6 +52,7 @@
 obj-$(CONFIG_I2C_VOODOO3)	+= i2c-voodoo3.o
 obj-$(CONFIG_SCx200_ACB)	+= scx200_acb.o
 obj-$(CONFIG_SCx200_I2C)	+= scx200_i2c.o
+obj-$(CONFIG_I2C_ATMELTWI)	+= i2c-atmeltwi.o
 
 ifeq ($(CONFIG_I2C_DEBUG_BUS),y)
 EXTRA_CFLAGS += -DDEBUG
diff -x .git -Nur linux-2.6.22.1/drivers/input/mouse/gpio_mouse.c linux-avr32.git/drivers/input/mouse/gpio_mouse.c
--- linux-2.6.22.1/drivers/input/mouse/gpio_mouse.c	1970-01-01 01:00:00.000000000 +0100
+++ linux-avr32.git/drivers/input/mouse/gpio_mouse.c	2007-07-13 11:24:16.000000000 +0200
@@ -0,0 +1,196 @@
+/*
+ * Driver for simulating a mouse on GPIO lines.
+ *
+ * Copyright (C) 2007 Atmel Corporation
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#include <linux/init.h>
+#include <linux/version.h>
+#include <linux/module.h>
+#include <linux/platform_device.h>
+#include <linux/input-polldev.h>
+#include <linux/gpio_mouse.h>
+
+#include <asm/gpio.h>
+
+/*
+ * Timer function which is run every scan_ms ms when the device is opened.
+ * The dev input varaible is set to the the input_dev pointer.
+ */
+static void gpio_mouse_scan(struct input_polled_dev *dev)
+{
+	struct gpio_mouse_platform_data *gpio = dev->private;
+	struct input_dev *input = dev->input;
+	int x, y;
+
+	if (gpio->bleft >= 0)
+		input_report_key(input, BTN_LEFT,
+				gpio_get_value(gpio->bleft) ^ gpio->polarity);
+	if (gpio->bmiddle >= 0)
+		input_report_key(input, BTN_MIDDLE,
+				gpio_get_value(gpio->bmiddle) ^ gpio->polarity);
+	if (gpio->bright >= 0)
+		input_report_key(input, BTN_RIGHT,
+				gpio_get_value(gpio->bright) ^ gpio->polarity);
+
+	x = (gpio_get_value(gpio->right) ^ gpio->polarity)
+		- (gpio_get_value(gpio->left) ^ gpio->polarity);
+	y = (gpio_get_value(gpio->down) ^ gpio->polarity)
+		- (gpio_get_value(gpio->up) ^ gpio->polarity);
+
+	input_report_rel(input, REL_X, x);
+	input_report_rel(input, REL_Y, y);
+	input_sync(input);
+}
+
+static int __init gpio_mouse_probe(struct platform_device *pdev)
+{
+	struct gpio_mouse_platform_data *pdata = pdev->dev.platform_data;
+	struct input_polled_dev *input_poll;
+	struct input_dev *input;
+	int pin, i;
+	int error;
+
+	if (!pdata) {
+		dev_err(&pdev->dev, "no platform data\n");
+		error = -ENXIO;
+		goto out;
+	}
+
+	if (pdata->scan_ms < 0) {
+		dev_err(&pdev->dev, "invalid scan time\n");
+		error = -EINVAL;
+		goto out;
+	}
+
+	for (i = 0; i < GPIO_MOUSE_PIN_MAX; i++) {
+		pin = pdata->pins[i];
+
+		if (pin < 0) {
+
+			if (i <= GPIO_MOUSE_PIN_RIGHT) {
+				/* Mouse direction is required. */
+				dev_err(&pdev->dev,
+					"missing GPIO for directions\n");
+				error = -EINVAL;
+				goto out_free_gpios;
+			}
+
+			if (i == GPIO_MOUSE_PIN_BLEFT)
+				dev_dbg(&pdev->dev, "no left button defined\n");
+
+		} else {
+			error = gpio_request(pin, "gpio_mouse");
+			if (error) {
+				dev_err(&pdev->dev, "fail %d pin (%d idx)\n",
+					pin, i);
+				goto out_free_gpios;
+			}
+
+			gpio_direction_input(pin);
+		}
+	}
+
+	input_poll = input_allocate_polled_device();
+	if (!input_poll) {
+		dev_err(&pdev->dev, "not enough memory for input device\n");
+		error = -ENOMEM;
+		goto out_free_gpios;
+	}
+
+	platform_set_drvdata(pdev, input_poll);
+
+	/* set input-polldev handlers */
+	input_poll->private = pdata;
+	input_poll->poll = gpio_mouse_scan;
+	input_poll->poll_interval = pdata->scan_ms;
+
+	input = input_poll->input;
+	input->name = pdev->name;
+	input->id.bustype = BUS_HOST;
+	input->dev.parent = &pdev->dev;
+
+	input_set_capability(input, EV_REL, REL_X);
+	input_set_capability(input, EV_REL, REL_Y);
+	if (pdata->bleft >= 0)
+		input_set_capability(input, EV_KEY, BTN_LEFT);
+	if (pdata->bmiddle >= 0)
+		input_set_capability(input, EV_KEY, BTN_MIDDLE);
+	if (pdata->bright >= 0)
+		input_set_capability(input, EV_KEY, BTN_RIGHT);
+
+	error = input_register_polled_device(input_poll);
+	if (error) {
+		dev_err(&pdev->dev, "could not register input device\n");
+		goto out_free_polldev;
+	}
+
+	dev_dbg(&pdev->dev, "%d ms scan time, buttons: %s%s%s\n",
+			pdata->scan_ms,
+			pdata->bleft < 0 ? "" : "left ",
+			pdata->bmiddle < 0 ? "" : "middle ",
+			pdata->bright < 0 ? "" : "right");
+
+	return 0;
+
+ out_free_polldev:
+	input_free_polled_device(input_poll);
+	platform_set_drvdata(pdev, NULL);
+
+ out_free_gpios:
+	while (--i >= 0) {
+		pin = pdata->pins[i];
+		if (pin)
+			gpio_free(pin);
+	}
+ out:
+	return error;
+}
+
+static int __devexit gpio_mouse_remove(struct platform_device *pdev)
+{
+	struct input_polled_dev *input = platform_get_drvdata(pdev);
+	struct gpio_mouse_platform_data *pdata = input->private;
+	int pin, i;
+
+	input_unregister_polled_device(input);
+	input_free_polled_device(input);
+
+	for (i = 0; i < GPIO_MOUSE_PIN_MAX; i++) {
+		pin = pdata->pins[i];
+		if (pin >= 0)
+			gpio_free(pin);
+	}
+
+	platform_set_drvdata(pdev, NULL);
+
+	return 0;
+}
+
+struct platform_driver gpio_mouse_device_driver = {
+	.remove		= __devexit_p(gpio_mouse_remove),
+	.driver		= {
+		.name	= "gpio_mouse",
+	}
+};
+
+static int __init gpio_mouse_init(void)
+{
+	return platform_driver_probe(&gpio_mouse_device_driver,
+			gpio_mouse_probe);
+}
+module_init(gpio_mouse_init);
+
+static void __exit gpio_mouse_exit(void)
+{
+	platform_driver_unregister(&gpio_mouse_device_driver);
+}
+module_exit(gpio_mouse_exit);
+
+MODULE_AUTHOR("Hans-Christian Egtvedt <hcegtvedt@atmel.com>");
+MODULE_DESCRIPTION("GPIO mouse driver");
+MODULE_LICENSE("GPL");
diff -x .git -Nur linux-2.6.22.1/drivers/input/mouse/Kconfig linux-avr32.git/drivers/input/mouse/Kconfig
--- linux-2.6.22.1/drivers/input/mouse/Kconfig	2007-07-10 20:56:30.000000000 +0200
+++ linux-avr32.git/drivers/input/mouse/Kconfig	2007-07-13 11:24:16.000000000 +0200
@@ -216,4 +216,20 @@
 	help
 	  Say Y here to support HIL pointers.
 
+config MOUSE_GPIO
+	tristate "GPIO mouse"
+	depends on GENERIC_GPIO
+	select INPUT_POLLDEV
+	help
+	  This driver simulates a mouse on GPIO lines of various CPUs (and some
+	  other chips).
+
+	  Say Y here if your device has buttons or a simple joystick connected
+	  directly to GPIO lines. Your board-specific setup logic must also
+	  provide a platform device and platform data saying which GPIOs are
+	  used.
+
+	  To compile this driver as a module, choose M here: the
+	  module will be called gpio_mouse.
+
 endif
diff -x .git -Nur linux-2.6.22.1/drivers/input/mouse/Makefile linux-avr32.git/drivers/input/mouse/Makefile
--- linux-2.6.22.1/drivers/input/mouse/Makefile	2007-07-10 20:56:30.000000000 +0200
+++ linux-avr32.git/drivers/input/mouse/Makefile	2007-07-13 11:24:16.000000000 +0200
@@ -15,6 +15,7 @@
 obj-$(CONFIG_MOUSE_SERIAL)	+= sermouse.o
 obj-$(CONFIG_MOUSE_HIL)		+= hil_ptr.o
 obj-$(CONFIG_MOUSE_VSXXXAA)	+= vsxxxaa.o
+obj-$(CONFIG_MOUSE_GPIO)	+= gpio_mouse.o
 
 psmouse-objs := psmouse-base.o synaptics.o
 
diff -x .git -Nur linux-2.6.22.1/drivers/leds/Kconfig linux-avr32.git/drivers/leds/Kconfig
--- linux-2.6.22.1/drivers/leds/Kconfig	2007-07-10 20:56:30.000000000 +0200
+++ linux-avr32.git/drivers/leds/Kconfig	2007-07-12 14:00:02.000000000 +0200
@@ -95,6 +95,14 @@
 	help
 	  This option enables support for the front LED on Cobalt Server
 
+config LEDS_GPIO
+	tristate "LED Support for GPIO connected LEDs"
+	depends on LEDS_CLASS && GENERIC_GPIO
+	help
+	  This option enables support for the LEDs connected to GPIO
+	  outputs. To be useful the particular board must have LEDs
+	  and they must be connected to the GPIO lines.
+
 comment "LED Triggers"
 
 config LEDS_TRIGGERS
diff -x .git -Nur linux-2.6.22.1/drivers/leds/leds-gpio.c linux-avr32.git/drivers/leds/leds-gpio.c
--- linux-2.6.22.1/drivers/leds/leds-gpio.c	1970-01-01 01:00:00.000000000 +0100
+++ linux-avr32.git/drivers/leds/leds-gpio.c	2007-07-12 14:00:02.000000000 +0200
@@ -0,0 +1,199 @@
+/*
+ * LEDs driver for GPIOs
+ *
+ * Copyright (C) 2007 8D Technologies inc.
+ * Raphael Assenat <raph@8d.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ */
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/platform_device.h>
+#include <linux/leds.h>
+#include <linux/workqueue.h>
+
+#include <asm/gpio.h>
+
+struct gpio_led_data {
+	struct led_classdev cdev;
+	unsigned gpio;
+	struct work_struct work;
+	u8 new_level;
+	u8 can_sleep;
+	u8 active_low;
+};
+
+static void gpio_led_work(struct work_struct *work)
+{
+	struct gpio_led_data	*led_dat =
+		container_of(work, struct gpio_led_data, work);
+
+	gpio_set_value_cansleep(led_dat->gpio, led_dat->new_level);
+}
+
+static void gpio_led_set(struct led_classdev *led_cdev,
+	enum led_brightness value)
+{
+	struct gpio_led_data *led_dat =
+		container_of(led_cdev, struct gpio_led_data, cdev);
+	int level;
+
+	if (value == LED_OFF)
+		level = 0;
+	else
+		level = 1;
+
+	if (led_dat->active_low)
+		level = !level;
+
+	/* setting GPIOs with I2C/etc requires a preemptible task context */
+	if (led_dat->can_sleep) {
+		if (preempt_count()) {
+			led_dat->new_level = level;
+			schedule_work(&led_dat->work);
+		} else
+			gpio_set_value_cansleep(led_dat->gpio, level);
+	} else
+		gpio_set_value(led_dat->gpio, level);
+}
+
+static int __init gpio_led_probe(struct platform_device *pdev)
+{
+	struct gpio_led_platform_data *pdata = pdev->dev.platform_data;
+	struct gpio_led *cur_led;
+	struct gpio_led_data *leds_data, *led_dat;
+	int i, ret = 0;
+
+	if (!pdata)
+		return -EBUSY;
+
+	leds_data = kzalloc(sizeof(struct gpio_led_data) * pdata->num_leds,
+				GFP_KERNEL);
+	if (!leds_data)
+		return -ENOMEM;
+
+	for (i = 0; i < pdata->num_leds; i++) {
+		cur_led = &pdata->leds[i];
+		led_dat = &leds_data[i];
+
+		led_dat->cdev.name = cur_led->name;
+		led_dat->cdev.default_trigger = cur_led->default_trigger;
+		led_dat->gpio = cur_led->gpio;
+		led_dat->can_sleep = gpio_cansleep(cur_led->gpio);
+		led_dat->active_low = cur_led->active_low;
+		led_dat->cdev.brightness_set = gpio_led_set;
+		led_dat->cdev.brightness = cur_led->active_low ? LED_FULL : LED_OFF;
+
+		ret = gpio_request(led_dat->gpio, led_dat->cdev.name);
+		if (ret < 0)
+			goto err;
+
+		gpio_direction_output(led_dat->gpio, led_dat->active_low);
+
+		ret = led_classdev_register(&pdev->dev, &led_dat->cdev);
+		if (ret < 0) {
+			gpio_free(led_dat->gpio);
+			goto err;
+		}
+
+		INIT_WORK(&led_dat->work, gpio_led_work);
+	}
+
+	platform_set_drvdata(pdev, leds_data);
+
+	return 0;
+
+err:
+	if (i > 0) {
+		for (i = i - 1; i >= 0; i--) {
+			led_classdev_unregister(&leds_data[i].cdev);
+			gpio_free(leds_data[i].gpio);
+		}
+	}
+
+	flush_scheduled_work();
+	kfree(leds_data);
+
+	return ret;
+}
+
+static int __exit gpio_led_remove(struct platform_device *pdev)
+{
+	int i;
+	struct gpio_led_platform_data *pdata = pdev->dev.platform_data;
+	struct gpio_led_data *leds_data;
+
+	leds_data = platform_get_drvdata(pdev);
+
+	for (i = 0; i < pdata->num_leds; i++) {
+		led_classdev_unregister(&leds_data[i].cdev);
+		gpio_free(leds_data[i].gpio);
+	}
+	
+	kfree(leds_data);
+
+	return 0;
+}
+
+#ifdef CONFIG_PM
+static int gpio_led_suspend(struct platform_device *pdev, pm_message_t state)
+{
+	struct gpio_led_platform_data *pdata = pdev->dev.platform_data;
+	struct gpio_led_data *leds_data;
+	int i;
+	
+	leds_data = platform_get_drvdata(pdev);
+
+	for (i = 0; i < pdata->num_leds; i++)
+		led_classdev_suspend(&leds_data[i].cdev);
+
+	return 0;
+}
+
+static int gpio_led_resume(struct platform_device *pdev)
+{
+	struct gpio_led_platform_data *pdata = pdev->dev.platform_data;
+	struct gpio_led_data *leds_data;
+	int i;
+
+	leds_data = platform_get_drvdata(pdev);
+
+	for (i = 0; i < pdata->num_leds; i++)
+		led_classdev_resume(&leds_data[i].cdev);
+
+	return 0;
+}
+#else
+#define gpio_led_suspend NULL
+#define gpio_led_resume NULL
+#endif
+
+static struct platform_driver gpio_led_driver = {
+	.remove		= __exit_p(gpio_led_remove),
+	.suspend	= gpio_led_suspend,
+	.resume		= gpio_led_resume,
+	.driver		= {
+		.name	= "leds-gpio",
+		.owner	= THIS_MODULE,
+	},
+};
+
+static int __init gpio_led_init(void)
+{
+	return platform_driver_probe(&gpio_led_driver, gpio_led_probe);
+}
+
+static void __exit gpio_led_exit(void)
+{
+	platform_driver_unregister(&gpio_led_driver);
+}
+
+module_init(gpio_led_init);
+module_exit(gpio_led_exit);
+
+MODULE_AUTHOR("Raphael Assenat <raph@8d.com>");
+MODULE_DESCRIPTION("GPIO LED driver");
+MODULE_LICENSE("GPL");
diff -x .git -Nur linux-2.6.22.1/drivers/leds/Makefile linux-avr32.git/drivers/leds/Makefile
--- linux-2.6.22.1/drivers/leds/Makefile	2007-07-10 20:56:30.000000000 +0200
+++ linux-avr32.git/drivers/leds/Makefile	2007-07-12 14:00:02.000000000 +0200
@@ -16,6 +16,7 @@
 obj-$(CONFIG_LEDS_WRAP)			+= leds-wrap.o
 obj-$(CONFIG_LEDS_H1940)		+= leds-h1940.o
 obj-$(CONFIG_LEDS_COBALT)		+= leds-cobalt.o
+obj-$(CONFIG_LEDS_GPIO)			+= leds-gpio.o
 
 # LED Triggers
 obj-$(CONFIG_LEDS_TRIGGER_TIMER)	+= ledtrig-timer.o
diff -x .git -Nur linux-2.6.22.1/drivers/mmc/host/atmel-mci.c linux-avr32.git/drivers/mmc/host/atmel-mci.c
--- linux-2.6.22.1/drivers/mmc/host/atmel-mci.c	1970-01-01 01:00:00.000000000 +0100
+++ linux-avr32.git/drivers/mmc/host/atmel-mci.c	2007-07-12 14:00:03.000000000 +0200
@@ -0,0 +1,1217 @@
+/*
+ * Atmel MultiMedia Card Interface driver
+ *
+ * Copyright (C) 2004-2006 Atmel Corporation
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+#include <linux/blkdev.h>
+#include <linux/clk.h>
+#include <linux/device.h>
+#include <linux/dma-mapping.h>
+#include <linux/init.h>
+#include <linux/interrupt.h>
+#include <linux/ioport.h>
+#include <linux/module.h>
+#include <linux/platform_device.h>
+
+#include <linux/mmc/host.h>
+
+#include <asm/dma-controller.h>
+#include <asm/io.h>
+#include <asm/arch/board.h>
+#include <asm/arch/gpio.h>
+
+#include "atmel-mci.h"
+
+#define DRIVER_NAME "atmel_mci"
+
+#define MCI_CMD_ERROR_FLAGS	(MCI_BIT(RINDE)	| MCI_BIT(RDIRE) |	\
+				 MCI_BIT(RCRCE) | MCI_BIT(RENDE) |	\
+				 MCI_BIT(RTOE))
+#define MCI_DATA_ERROR_FLAGS	(MCI_BIT(DCRCE) | MCI_BIT(DTOE) |	\
+				 MCI_BIT(OVRE) | MCI_BIT(UNRE))
+
+enum {
+	EVENT_CMD_COMPLETE = 0,
+	EVENT_CMD_ERROR,
+	EVENT_DATA_COMPLETE,
+	EVENT_DATA_ERROR,
+	EVENT_STOP_SENT,
+	EVENT_STOP_COMPLETE,
+	EVENT_STOP_ERROR,
+	EVENT_DMA_ERROR,
+	EVENT_CARD_DETECT,
+};
+
+struct atmel_mci_dma {
+	struct dma_request_sg	req;
+	unsigned short		rx_periph_id;
+	unsigned short		tx_periph_id;
+};
+
+struct atmel_mci {
+	struct mmc_host		*mmc;
+	void __iomem		*regs;
+	struct atmel_mci_dma	dma;
+
+	struct mmc_request	*mrq;
+	struct mmc_command	*cmd;
+	struct mmc_data		*data;
+
+	u32			stop_cmdr;
+	u32			stop_iflags;
+
+	struct tasklet_struct	tasklet;
+	unsigned long		pending_events;
+	unsigned long		completed_events;
+	u32			error_status;
+
+	int			present;
+	int			detect_pin;
+	int			wp_pin;
+
+	unsigned long		bus_hz;
+	unsigned long		mapbase;
+	struct clk		*mck;
+	struct platform_device	*pdev;
+
+#ifdef CONFIG_DEBUG_FS
+	struct dentry		*debugfs_root;
+	struct dentry		*debugfs_regs;
+	struct dentry		*debugfs_req;
+	struct dentry		*debugfs_pending_events;
+	struct dentry		*debugfs_completed_events;
+#endif
+};
+
+/* Those printks take an awful lot of time... */
+#ifndef DEBUG
+static unsigned int fmax = 15000000U;
+#else
+static unsigned int fmax = 1000000U;
+#endif
+module_param(fmax, uint, 0444);
+MODULE_PARM_DESC(fmax, "Max frequency in Hz of the MMC bus clock");
+
+/* Test bit macros for completed events */
+#define mci_cmd_is_complete(host)			\
+	test_bit(EVENT_CMD_COMPLETE, &host->completed_events)
+#define mci_cmd_error_is_complete(host)			\
+	test_bit(EVENT_CMD_ERROR, &host->completed_events)
+#define mci_data_is_complete(host)			\
+	test_bit(EVENT_DATA_COMPLETE, &host->completed_events)
+#define mci_data_error_is_complete(host)		\
+	test_bit(EVENT_DATA_ERROR, &host->completed_events)
+#define mci_stop_sent_is_complete(host)			\
+	test_bit(EVENT_STOP_SENT, &host->completed_events)
+#define mci_stop_is_complete(host)			\
+	test_bit(EVENT_STOP_COMPLETE, &host->completed_events)
+#define mci_stop_error_is_complete(host)		\
+	test_bit(EVENT_STOP_ERROR, &host->completed_events)
+#define mci_dma_error_is_complete(host)			\
+	test_bit(EVENT_DMA_ERROR, &host->completed_events)
+#define mci_card_detect_is_complete(host)			\
+	test_bit(EVENT_CARD_DETECT, &host->completed_events)
+
+/* Test and clear bit macros for pending events */
+#define mci_clear_cmd_is_pending(host)			\
+	test_and_clear_bit(EVENT_CMD_COMPLETE, &host->pending_events)
+#define mci_clear_cmd_error_is_pending(host)		\
+	test_and_clear_bit(EVENT_CMD_ERROR, &host->pending_events)
+#define mci_clear_data_is_pending(host)			\
+	test_and_clear_bit(EVENT_DATA_COMPLETE, &host->pending_events)
+#define mci_clear_data_error_is_pending(host)		\
+	test_and_clear_bit(EVENT_DATA_ERROR, &host->pending_events)
+#define mci_clear_stop_sent_is_pending(host)		\
+	test_and_clear_bit(EVENT_STOP_SENT, &host->pending_events)
+#define mci_clear_stop_is_pending(host)			\
+	test_and_clear_bit(EVENT_STOP_COMPLETE, &host->pending_events)
+#define mci_clear_stop_error_is_pending(host)		\
+	test_and_clear_bit(EVENT_STOP_ERROR, &host->pending_events)
+#define mci_clear_dma_error_is_pending(host)		\
+	test_and_clear_bit(EVENT_DMA_ERROR, &host->pending_events)
+#define mci_clear_card_detect_is_pending(host)		\
+	test_and_clear_bit(EVENT_CARD_DETECT, &host->pending_events)
+
+/* Test and set bit macros for completed events */
+#define mci_set_cmd_is_completed(host)			\
+	test_and_set_bit(EVENT_CMD_COMPLETE, &host->completed_events)
+#define mci_set_cmd_error_is_completed(host)		\
+	test_and_set_bit(EVENT_CMD_ERROR, &host->completed_events)
+#define mci_set_data_is_completed(host)			\
+	test_and_set_bit(EVENT_DATA_COMPLETE, &host->completed_events)
+#define mci_set_data_error_is_completed(host)		\
+	test_and_set_bit(EVENT_DATA_ERROR, &host->completed_events)
+#define mci_set_stop_sent_is_completed(host)		\
+	test_and_set_bit(EVENT_STOP_SENT, &host->completed_events)
+#define mci_set_stop_is_completed(host)			\
+	test_and_set_bit(EVENT_STOP_COMPLETE, &host->completed_events)
+#define mci_set_stop_error_is_completed(host)		\
+	test_and_set_bit(EVENT_STOP_ERROR, &host->completed_events)
+#define mci_set_dma_error_is_completed(host)		\
+	test_and_set_bit(EVENT_DMA_ERROR, &host->completed_events)
+#define mci_set_card_detect_is_completed(host)		\
+	test_and_set_bit(EVENT_CARD_DETECT, &host->completed_events)
+
+/* Set bit macros for completed events */
+#define mci_set_cmd_complete(host)			\
+	set_bit(EVENT_CMD_COMPLETE, &host->completed_events)
+#define mci_set_cmd_error_complete(host)		\
+	set_bit(EVENT_CMD_ERROR, &host->completed_events)
+#define mci_set_data_complete(host)			\
+	set_bit(EVENT_DATA_COMPLETE, &host->completed_events)
+#define mci_set_data_error_complete(host)		\
+	set_bit(EVENT_DATA_ERROR, &host->completed_events)
+#define mci_set_stop_sent_complete(host)		\
+	set_bit(EVENT_STOP_SENT, &host->completed_events)
+#define mci_set_stop_complete(host)			\
+	set_bit(EVENT_STOP_COMPLETE, &host->completed_events)
+#define mci_set_stop_error_complete(host)		\
+	set_bit(EVENT_STOP_ERROR, &host->completed_events)
+#define mci_set_dma_error_complete(host)		\
+	set_bit(EVENT_DMA_ERROR, &host->completed_events)
+#define mci_set_card_detect_complete(host)		\
+	set_bit(EVENT_CARD_DETECT, &host->completed_events)
+
+/* Set bit macros for pending events */
+#define mci_set_cmd_pending(host)			\
+	set_bit(EVENT_CMD_COMPLETE, &host->pending_events)
+#define mci_set_cmd_error_pending(host)			\
+	set_bit(EVENT_CMD_ERROR, &host->pending_events)
+#define mci_set_data_pending(host)			\
+	set_bit(EVENT_DATA_COMPLETE, &host->pending_events)
+#define mci_set_data_error_pending(host)		\
+	set_bit(EVENT_DATA_ERROR, &host->pending_events)
+#define mci_set_stop_sent_pending(host)			\
+	set_bit(EVENT_STOP_SENT, &host->pending_events)
+#define mci_set_stop_pending(host)			\
+	set_bit(EVENT_STOP_COMPLETE, &host->pending_events)
+#define mci_set_stop_error_pending(host)		\
+	set_bit(EVENT_STOP_ERROR, &host->pending_events)
+#define mci_set_dma_error_pending(host)			\
+	set_bit(EVENT_DMA_ERROR, &host->pending_events)
+#define mci_set_card_detect_pending(host)		\
+	set_bit(EVENT_CARD_DETECT, &host->pending_events)
+
+/* Clear bit macros for pending events */
+#define mci_clear_cmd_pending(host)			\
+	clear_bit(EVENT_CMD_COMPLETE, &host->pending_events)
+#define mci_clear_cmd_error_pending(host)		\
+	clear_bit(EVENT_CMD_ERROR, &host->pending_events)
+#define mci_clear_data_pending(host)			\
+	clear_bit(EVENT_DATA_COMPLETE, &host->pending_events)
+#define mci_clear_data_error_pending(host)		\
+	clear_bit(EVENT_DATA_ERROR, &host->pending_events)
+#define mci_clear_stop_sent_pending(host)		\
+	clear_bit(EVENT_STOP_SENT, &host->pending_events)
+#define mci_clear_stop_pending(host)			\
+	clear_bit(EVENT_STOP_COMPLETE, &host->pending_events)
+#define mci_clear_stop_error_pending(host)		\
+	clear_bit(EVENT_STOP_ERROR, &host->pending_events)
+#define mci_clear_dma_error_pending(host)		\
+	clear_bit(EVENT_DMA_ERROR, &host->pending_events)
+#define mci_clear_card_detect_pending(host)		\
+	clear_bit(EVENT_CARD_DETECT, &host->pending_events)
+
+
+#ifdef CONFIG_DEBUG_FS
+#include <linux/debugfs.h>
+
+#define DBG_REQ_BUF_SIZE	(4096 - sizeof(unsigned int))
+
+struct req_dbg_data {
+	unsigned int nbytes;
+	char str[DBG_REQ_BUF_SIZE];
+};
+
+static int req_dbg_open(struct inode *inode, struct file *file)
+{
+	struct atmel_mci *host;
+	struct mmc_request *mrq;
+	struct mmc_command *cmd, *stop;
+	struct mmc_data *data;
+	struct req_dbg_data *priv;
+	char *str;
+	unsigned long n = 0;
+
+	priv = kzalloc(DBG_REQ_BUF_SIZE, GFP_KERNEL);
+	if (!priv)
+		return -ENOMEM;
+	str = priv->str;
+
+	mutex_lock(&inode->i_mutex);
+	host = inode->i_private;
+
+	spin_lock_irq(&host->mmc->lock);
+	mrq = host->mrq;
+	if (mrq) {
+		cmd = mrq->cmd;
+		data = mrq->data;
+		stop = mrq->stop;
+		n = snprintf(str, DBG_REQ_BUF_SIZE,
+			     "CMD%u(0x%x) %x %x %x %x %x (err %u)\n",
+			     cmd->opcode, cmd->arg, cmd->flags,
+			     cmd->resp[0], cmd->resp[1], cmd->resp[2],
+			     cmd->resp[3], cmd->error);
+		if (n < DBG_REQ_BUF_SIZE && data)
+			n += snprintf(str + n, DBG_REQ_BUF_SIZE - n,
+				      "DATA %u * %u (%u) %x (err %u)\n",
+				      data->blocks, data->blksz,
+				      data->bytes_xfered, data->flags,
+				      data->error);
+		if (n < DBG_REQ_BUF_SIZE && stop)
+			n += snprintf(str + n, DBG_REQ_BUF_SIZE - n,
+				      "CMD%u(0x%x) %x %x %x %x %x (err %u)\n",
+				      stop->opcode, stop->arg, stop->flags,
+				      stop->resp[0], stop->resp[1],
+				      stop->resp[2], stop->resp[3],
+				      stop->error);
+	}
+	spin_unlock_irq(&host->mmc->lock);
+	mutex_unlock(&inode->i_mutex);
+
+	priv->nbytes = min(n, DBG_REQ_BUF_SIZE);
+	file->private_data = priv;
+
+	return 0;
+}
+
+static ssize_t req_dbg_read(struct file *file, char __user *buf,
+			    size_t nbytes, loff_t *ppos)
+{
+	struct req_dbg_data *priv = file->private_data;
+
+	return simple_read_from_buffer(buf, nbytes, ppos,
+				       priv->str, priv->nbytes);
+}
+
+static int req_dbg_release(struct inode *inode, struct file *file)
+{
+	kfree(file->private_data);
+	return 0;
+}
+
+static const struct file_operations req_dbg_fops = {
+	.owner		= THIS_MODULE,
+	.open		= req_dbg_open,
+	.llseek		= no_llseek,
+	.read		= req_dbg_read,
+	.release	= req_dbg_release,
+};
+
+static int regs_dbg_open(struct inode *inode, struct file *file)
+{
+	struct atmel_mci *host;
+	unsigned int i;
+	u32 *data;
+	int ret = -ENOMEM;
+
+	mutex_lock(&inode->i_mutex);
+	host = inode->i_private;
+	data = kmalloc(inode->i_size, GFP_KERNEL);
+	if (!data)
+		goto out;
+
+	spin_lock_irq(&host->mmc->lock);
+	for (i = 0; i < inode->i_size / 4; i++)
+		data[i] = __raw_readl(host->regs + i * 4);
+	spin_unlock_irq(&host->mmc->lock);
+
+	file->private_data = data;
+	ret = 0;
+
+out:
+	mutex_unlock(&inode->i_mutex);
+
+	return ret;
+}
+
+static ssize_t regs_dbg_read(struct file *file, char __user *buf,
+			     size_t nbytes, loff_t *ppos)
+{
+	struct inode *inode = file->f_dentry->d_inode;
+	int ret;
+
+	mutex_lock(&inode->i_mutex);
+	ret = simple_read_from_buffer(buf, nbytes, ppos,
+				      file->private_data,
+				      file->f_dentry->d_inode->i_size);
+	mutex_unlock(&inode->i_mutex);
+
+	return ret;
+}
+
+static int regs_dbg_release(struct inode *inode, struct file *file)
+{
+	kfree(file->private_data);
+	return 0;
+}
+
+static const struct file_operations regs_dbg_fops = {
+	.owner		= THIS_MODULE,
+	.open		= regs_dbg_open,
+	.llseek		= generic_file_llseek,
+	.read		= regs_dbg_read,
+	.release	= regs_dbg_release,
+};
+
+static void atmci_init_debugfs(struct atmel_mci *host)
+{
+	struct mmc_host *mmc;
+	struct dentry *root, *regs;
+	struct resource *res;
+
+	mmc = host->mmc;
+	root = debugfs_create_dir(mmc_hostname(mmc), NULL);
+	if (IS_ERR(root) || !root)
+		goto err_root;
+	host->debugfs_root = root;
+
+	regs = debugfs_create_file("regs", 0400, root, host, &regs_dbg_fops);
+	if (!regs)
+		goto err_regs;
+
+	res = platform_get_resource(host->pdev, IORESOURCE_MEM, 0);
+	regs->d_inode->i_size = res->end - res->start + 1;
+	host->debugfs_regs = regs;
+
+	host->debugfs_req = debugfs_create_file("req", 0400, root,
+						host, &req_dbg_fops);
+	if (!host->debugfs_req)
+		goto err_req;
+
+	host->debugfs_pending_events
+		= debugfs_create_u32("pending_events", 0400, root,
+				     (u32 *)&host->pending_events);
+	if (!host->debugfs_pending_events)
+		goto err_pending_events;
+
+	host->debugfs_completed_events
+		= debugfs_create_u32("completed_events", 0400, root,
+				     (u32 *)&host->completed_events);
+	if (!host->debugfs_completed_events)
+		goto err_completed_events;
+
+	return;
+
+err_completed_events:
+	debugfs_remove(host->debugfs_pending_events);
+err_pending_events:
+	debugfs_remove(host->debugfs_req);
+err_req:
+	debugfs_remove(host->debugfs_regs);
+err_regs:
+	debugfs_remove(host->debugfs_root);
+err_root:
+	host->debugfs_root = NULL;
+	dev_err(&host->pdev->dev,
+		"failed to initialize debugfs for %s\n",
+		mmc_hostname(mmc));
+}
+
+static void atmci_cleanup_debugfs(struct atmel_mci *host)
+{
+	if (host->debugfs_root) {
+		debugfs_remove(host->debugfs_completed_events);
+		debugfs_remove(host->debugfs_pending_events);
+		debugfs_remove(host->debugfs_req);
+		debugfs_remove(host->debugfs_regs);
+		debugfs_remove(host->debugfs_root);
+		host->debugfs_root = NULL;
+	}
+}
+#else
+static inline void atmci_init_debugfs(struct atmel_mci *host)
+{
+
+}
+
+static inline void atmci_cleanup_debugfs(struct atmel_mci *host)
+{
+
+}
+#endif /* CONFIG_DEBUG_FS */
+
+static inline unsigned int ns_to_clocks(struct atmel_mci *host,
+					unsigned int ns)
+{
+	return (ns * (host->bus_hz / 1000000) + 999) / 1000;
+}
+
+static void atmci_set_timeout(struct atmel_mci *host,
+			      struct mmc_data *data)
+{
+	static unsigned dtomul_to_shift[] = {
+		0, 4, 7, 8, 10, 12, 16, 20
+	};
+	unsigned timeout;
+	unsigned dtocyc, dtomul;
+
+	timeout = ns_to_clocks(host, data->timeout_ns) + data->timeout_clks;
+
+	for (dtomul = 0; dtomul < 8; dtomul++) {
+		unsigned shift = dtomul_to_shift[dtomul];
+		dtocyc = (timeout + (1 << shift) - 1) >> shift;
+		if (dtocyc < 15)
+			break;
+	}
+
+	if (dtomul >= 8) {
+		dtomul = 7;
+		dtocyc = 15;
+	}
+
+	pr_debug("%s: setting timeout to %u cycles\n",
+		 mmc_hostname(host->mmc),
+		 dtocyc << dtomul_to_shift[dtomul]);
+	mci_writel(host, DTOR, (MCI_BF(DTOMUL, dtomul)
+				| MCI_BF(DTOCYC, dtocyc)));
+}
+
+/*
+ * Return mask with interrupt flags to be handled for this command.
+ */
+static u32 atmci_prepare_command(struct mmc_host *mmc,
+				 struct mmc_command *cmd,
+				 u32 *cmd_flags)
+{
+	u32 cmdr;
+	u32 iflags;
+
+	cmd->error = MMC_ERR_NONE;
+
+	cmdr = 0;
+	BUG_ON(MCI_BFEXT(CMDNB, cmdr) != 0);
+	cmdr = MCI_BFINS(CMDNB, cmd->opcode, cmdr);
+
+	if (cmd->flags & MMC_RSP_PRESENT) {
+		if (cmd->flags & MMC_RSP_136)
+			cmdr |= MCI_BF(RSPTYP, MCI_RSPTYP_136_BIT);
+		else
+			cmdr |= MCI_BF(RSPTYP, MCI_RSPTYP_48_BIT);
+	}
+
+	/*
+	 * This should really be MAXLAT_5 for CMD2 and ACMD41, but
+	 * it's too difficult to determine whether this is an ACMD or
+	 * not. Better make it 64.
+	 */
+	cmdr |= MCI_BIT(MAXLAT);
+
+	if (mmc->ios.bus_mode == MMC_BUSMODE_OPENDRAIN)
+		cmdr |= MCI_BIT(OPDCMD);
+
+	iflags = MCI_BIT(CMDRDY) | MCI_CMD_ERROR_FLAGS;
+	if (!(cmd->flags & MMC_RSP_CRC))
+		iflags &= ~MCI_BIT(RCRCE);
+
+	pr_debug("%s: cmd: op %02x arg %08x flags %08x, cmdflags %08lx\n",
+		 mmc_hostname(mmc), cmd->opcode, cmd->arg, cmd->flags,
+		 (unsigned long)cmdr);
+
+	*cmd_flags = cmdr;
+	return iflags;
+}
+
+static void atmci_start_command(struct atmel_mci *host,
+				struct mmc_command *cmd,
+				u32 cmd_flags)
+{
+	WARN_ON(host->cmd);
+	host->cmd = cmd;
+
+	mci_writel(host, ARGR, cmd->arg);
+	mci_writel(host, CMDR, cmd_flags);
+
+	if (cmd->data)
+		dma_start_request(host->dma.req.req.dmac,
+				  host->dma.req.req.channel);
+}
+
+/*
+ * Returns a mask of flags to be set in the command register when the
+ * command to start the transfer is to be sent.
+ */
+static u32 atmci_prepare_data(struct mmc_host *mmc, struct mmc_data *data)
+{
+	struct atmel_mci *host = mmc_priv(mmc);
+	u32 cmd_flags;
+
+	WARN_ON(host->data);
+	host->data = data;
+
+	atmci_set_timeout(host, data);
+	mci_writel(host, BLKR, (MCI_BF(BCNT, data->blocks)
+				| MCI_BF(BLKLEN, data->blksz)));
+	host->dma.req.block_size = data->blksz;
+	host->dma.req.nr_blocks = data->blocks;
+
+	cmd_flags = MCI_BF(TRCMD, MCI_TRCMD_START_TRANS);
+	if (data->flags & MMC_DATA_STREAM)
+		cmd_flags |= MCI_BF(TRTYP, MCI_TRTYP_STREAM);
+	else if (data->blocks > 1)
+		cmd_flags |= MCI_BF(TRTYP, MCI_TRTYP_MULTI_BLOCK);
+	else
+		cmd_flags |= MCI_BF(TRTYP, MCI_TRTYP_BLOCK);
+
+	if (data->flags & MMC_DATA_READ) {
+		cmd_flags |= MCI_BIT(TRDIR);
+		host->dma.req.nr_sg
+			= dma_map_sg(&host->pdev->dev, data->sg,
+				     data->sg_len, DMA_FROM_DEVICE);
+		host->dma.req.periph_id = host->dma.rx_periph_id;
+		host->dma.req.direction = DMA_DIR_PERIPH_TO_MEM;
+		host->dma.req.data_reg = host->mapbase + MCI_RDR;
+	} else {
+		host->dma.req.nr_sg
+			= dma_map_sg(&host->pdev->dev, data->sg,
+				     data->sg_len, DMA_TO_DEVICE);
+		host->dma.req.periph_id = host->dma.tx_periph_id;
+		host->dma.req.direction = DMA_DIR_MEM_TO_PERIPH;
+		host->dma.req.data_reg = host->mapbase + MCI_TDR;
+	}
+	host->dma.req.sg = data->sg;
+
+	dma_prepare_request_sg(host->dma.req.req.dmac, &host->dma.req);
+
+	return cmd_flags;
+}
+
+static void atmci_request(struct mmc_host *mmc, struct mmc_request *mrq)
+{
+	struct atmel_mci *host = mmc_priv(mmc);
+	struct mmc_data *data = mrq->data;
+	u32 iflags;
+	u32 cmdflags = 0;
+
+	iflags = mci_readl(host, IMR);
+	if (iflags)
+		printk("WARNING: IMR=0x%08x\n", mci_readl(host, IMR));
+
+	WARN_ON(host->mrq != NULL);
+	host->mrq = mrq;
+	host->pending_events = 0;
+	host->completed_events = 0;
+
+	iflags = atmci_prepare_command(mmc, mrq->cmd, &cmdflags);
+
+	if (mrq->stop) {
+		BUG_ON(!data);
+
+		host->stop_iflags = atmci_prepare_command(mmc, mrq->stop,
+							  &host->stop_cmdr);
+		host->stop_cmdr |= MCI_BF(TRCMD, MCI_TRCMD_STOP_TRANS);
+		if (!(data->flags & MMC_DATA_WRITE))
+			host->stop_cmdr |= MCI_BIT(TRDIR);
+		if (data->flags & MMC_DATA_STREAM)
+			host->stop_cmdr |= MCI_BF(TRTYP, MCI_TRTYP_STREAM);
+		else
+			host->stop_cmdr |= MCI_BF(TRTYP, MCI_TRTYP_MULTI_BLOCK);
+	}
+	if (data) {
+		cmdflags |= atmci_prepare_data(mmc, data);
+		iflags |= MCI_DATA_ERROR_FLAGS;
+	}
+
+	atmci_start_command(host, mrq->cmd, cmdflags);
+	mci_writel(host, IER, iflags);
+}
+
+static void atmci_set_ios(struct mmc_host *mmc, struct mmc_ios *ios)
+{
+	struct atmel_mci *host = mmc_priv(mmc);
+
+	if (ios->clock) {
+		u32 clkdiv;
+
+		clkdiv = host->bus_hz / (2 * ios->clock) - 1;
+		if (clkdiv > 255)
+			clkdiv = 255;
+		mci_writel(host, MR, (clkdiv
+				      | MCI_BIT(WRPROOF)
+				      | MCI_BIT(RDPROOF)));
+	}
+
+	switch (ios->bus_width) {
+	case MMC_BUS_WIDTH_1:
+		mci_writel(host, SDCR, 0);
+		break;
+	case MMC_BUS_WIDTH_4:
+		mci_writel(host, SDCR, MCI_BIT(SDCBUS));
+		break;
+	}
+
+	switch (ios->power_mode) {
+	case MMC_POWER_OFF:
+		mci_writel(host, CR, MCI_BIT(MCIDIS));
+		break;
+	case MMC_POWER_UP:
+		mci_writel(host, CR, MCI_BIT(SWRST));
+		break;
+	case MMC_POWER_ON:
+		mci_writel(host, CR, MCI_BIT(MCIEN));
+		break;
+	}
+}
+
+static int atmci_get_ro(struct mmc_host *mmc)
+{
+	int read_only = 0;
+	struct atmel_mci *host = mmc_priv(mmc);
+
+	if (host->wp_pin >= 0) {
+		read_only = gpio_get_value(host->wp_pin);
+		pr_debug("%s: card is %s\n", mmc_hostname(mmc),
+			 read_only ? "read-only" : "read-write");
+	} else {
+		pr_debug("%s: no pin for checking read-only switch."
+			 " Assuming write-enable.\n", mmc_hostname(mmc));
+	}
+
+	return read_only;
+}
+
+static struct mmc_host_ops atmci_ops = {
+	.request	= atmci_request,
+	.set_ios	= atmci_set_ios,
+	.get_ro		= atmci_get_ro,
+};
+
+static void atmci_request_end(struct mmc_host *mmc, struct mmc_request *mrq)
+{
+	struct atmel_mci *host = mmc_priv(mmc);
+
+	WARN_ON(host->cmd || host->data);
+	host->mrq = NULL;
+
+	mmc_request_done(mmc, mrq);
+}
+
+static void send_stop_cmd(struct mmc_host *mmc, struct mmc_data *data,
+			  u32 flags)
+{
+	struct atmel_mci *host = mmc_priv(mmc);
+
+	atmci_start_command(host, data->stop, host->stop_cmdr | flags);
+	mci_writel(host, IER, host->stop_iflags);
+}
+
+static void atmci_data_complete(struct atmel_mci *host, struct mmc_data *data)
+{
+	host->data = NULL;
+	dma_unmap_sg(&host->pdev->dev, data->sg, host->dma.req.nr_sg,
+		     ((data->flags & MMC_DATA_WRITE)
+		      ? DMA_TO_DEVICE : DMA_FROM_DEVICE));
+
+	/*
+	 * Data might complete before command for very short transfers
+	 * (like READ_SCR)
+	 */
+	if (mci_cmd_is_complete(host)
+	    && (!data->stop || mci_stop_is_complete(host)))
+		atmci_request_end(host->mmc, data->mrq);
+}
+
+static void atmci_command_error(struct mmc_host *mmc,
+				struct mmc_command *cmd,
+				u32 status)
+{
+	pr_debug("%s: command error: status=0x%08x\n",
+		 mmc_hostname(mmc), status);
+
+	if (status & MCI_BIT(RTOE))
+		cmd->error = MMC_ERR_TIMEOUT;
+	else if (status & MCI_BIT(RCRCE))
+		cmd->error = MMC_ERR_BADCRC;
+	else
+		cmd->error = MMC_ERR_FAILED;
+}
+
+static void atmci_tasklet_func(unsigned long priv)
+{
+	struct mmc_host *mmc = (struct mmc_host *)priv;
+	struct atmel_mci *host = mmc_priv(mmc);
+	struct mmc_request *mrq = host->mrq;
+	struct mmc_data *data = host->data;
+
+	pr_debug("atmci_tasklet: pending/completed/mask %lx/%lx/%x\n",
+		 host->pending_events, host->completed_events,
+		 mci_readl(host, IMR));
+
+	if (mci_clear_cmd_error_is_pending(host)) {
+		struct mmc_command *cmd;
+
+		mci_set_cmd_error_complete(host);
+		mci_clear_cmd_pending(host);
+		cmd = host->mrq->cmd;
+
+		if (cmd->data) {
+			dma_stop_request(host->dma.req.req.dmac,
+					 host->dma.req.req.channel);
+			host->data = NULL;
+		}
+
+		atmci_command_error(mmc, cmd, host->error_status);
+		atmci_request_end(mmc, cmd->mrq);
+	}
+	if (mci_clear_stop_error_is_pending(host)) {
+		mci_set_stop_error_complete(host);
+		mci_clear_stop_pending(host);
+		atmci_command_error(mmc, host->mrq->stop,
+				    host->error_status);
+		if (!host->data)
+			atmci_request_end(mmc, host->mrq);
+	}
+	if (mci_clear_cmd_is_pending(host)) {
+		mci_set_cmd_complete(host);
+		if (!mrq->data || mci_data_is_complete(host)
+		    || mci_data_error_is_complete(host))
+			atmci_request_end(mmc, mrq);
+	}
+	if (mci_clear_stop_is_pending(host)) {
+		mci_set_stop_complete(host);
+		if (mci_data_is_complete(host)
+		    || mci_data_error_is_complete(host))
+			atmci_request_end(mmc, mrq);
+	}
+	if (mci_clear_dma_error_is_pending(host)) {
+		mci_set_dma_error_complete(host);
+		mci_clear_data_pending(host);
+
+		/* DMA controller got bus error => invalid address */
+		data->error = MMC_ERR_INVALID;
+
+		printk(KERN_DEBUG "%s: dma error after %u bytes xfered\n",
+		       mmc_hostname(mmc), host->data->bytes_xfered);
+
+		if (data->stop
+		    && !mci_set_stop_sent_is_completed(host))
+			/* TODO: Check if card is still present */
+			send_stop_cmd(host->mmc, data, 0);
+
+		atmci_data_complete(host, data);
+	}
+	if (mci_clear_data_error_is_pending(host)) {
+		u32 status = host->error_status;
+
+		mci_set_data_error_complete(host);
+		mci_clear_data_pending(host);
+
+		dma_stop_request(host->dma.req.req.dmac,
+				 host->dma.req.req.channel);
+
+		printk(KERN_DEBUG "%s: data error: status=0x%08x\n",
+		       mmc_hostname(host->mmc), status);
+
+		if (status & MCI_BIT(DCRCE)) {
+			printk(KERN_DEBUG "%s: Data CRC error\n",
+			       mmc_hostname(host->mmc));
+			data->error = MMC_ERR_BADCRC;
+		} else if (status & MCI_BIT(DTOE)) {
+			printk(KERN_DEBUG "%s: Data Timeout error\n",
+			       mmc_hostname(host->mmc));
+			data->error = MMC_ERR_TIMEOUT;
+		} else {
+			printk(KERN_DEBUG "%s: Data FIFO error\n",
+			       mmc_hostname(host->mmc));
+			data->error = MMC_ERR_FIFO;
+		}
+		printk(KERN_DEBUG "%s: Bytes xfered: %u\n",
+		       mmc_hostname(host->mmc), data->bytes_xfered);
+
+		if (data->stop
+		    && !mci_set_stop_sent_is_completed(host))
+			/* TODO: Check if card is still present */
+			send_stop_cmd(host->mmc, data, 0);
+
+		atmci_data_complete(host, data);
+	}
+	if (mci_clear_data_is_pending(host)) {
+		mci_set_data_complete(host);
+		data->bytes_xfered = data->blocks * data->blksz;
+		atmci_data_complete(host, data);
+	}
+	if (mci_clear_card_detect_is_pending(host)) {
+		/* Reset controller if card is gone */
+		if (!host->present) {
+			mci_writel(host, CR, MCI_BIT(SWRST));
+			mci_writel(host, IDR, ~0UL);
+			mci_writel(host, CR, MCI_BIT(MCIEN));
+		}
+
+		/* Clean up queue if present */
+		if (mrq) {
+			if (!mci_cmd_is_complete(host)
+			    && !mci_cmd_error_is_complete(host)) {
+				mrq->cmd->error = MMC_ERR_TIMEOUT;
+			}
+			if (mrq->data && !mci_data_is_complete(host)
+			    && !mci_data_error_is_complete(host)) {
+				dma_stop_request(host->dma.req.req.dmac,
+						host->dma.req.req.channel);
+				host->data->error = MMC_ERR_TIMEOUT;
+				atmci_data_complete(host, data);
+			}
+			if (mrq->stop && !mci_stop_is_complete(host)
+			    && !mci_stop_error_is_complete(host)) {
+				mrq->stop->error = MMC_ERR_TIMEOUT;
+			}
+
+			host->cmd = NULL;
+			atmci_request_end(mmc, mrq);
+		}
+		mmc_detect_change(host->mmc, msecs_to_jiffies(100));
+	}
+}
+
+static void atmci_cmd_interrupt(struct mmc_host *mmc, u32 status)
+{
+	struct atmel_mci *host = mmc_priv(mmc);
+	struct mmc_command *cmd = host->cmd;
+
+	/*
+	 * Read the response now so that we're free to send a new
+	 * command immediately.
+	 */
+	cmd->resp[0] = mci_readl(host, RSPR);
+	cmd->resp[1] = mci_readl(host, RSPR);
+	cmd->resp[2] = mci_readl(host, RSPR);
+	cmd->resp[3] = mci_readl(host, RSPR);
+
+	mci_writel(host, IDR, MCI_BIT(CMDRDY) | MCI_CMD_ERROR_FLAGS);
+	host->cmd = NULL;
+
+	if (mci_stop_sent_is_complete(host))
+		mci_set_stop_pending(host);
+	else
+		mci_set_cmd_pending(host);
+
+	tasklet_schedule(&host->tasklet);
+}
+
+static void atmci_xfer_complete(struct dma_request *_req)
+{
+	struct dma_request_sg *req = to_dma_request_sg(_req);
+	struct atmel_mci_dma *dma;
+	struct atmel_mci *host;
+	struct mmc_data *data;
+
+	dma = container_of(req, struct atmel_mci_dma, req);
+	host = container_of(dma, struct atmel_mci, dma);
+	data = host->data;
+
+	if (data->stop && !mci_set_stop_sent_is_completed(host))
+		send_stop_cmd(host->mmc, data, 0);
+
+	if (data->flags & MMC_DATA_READ) {
+		mci_writel(host, IDR, MCI_DATA_ERROR_FLAGS);
+		mci_set_data_pending(host);
+		tasklet_schedule(&host->tasklet);
+	} else {
+		/*
+		 * For the WRITE case, wait for NOTBUSY. This function
+		 * is called when everything has been written to the
+		 * controller, not when the card is done programming.
+		 */
+		mci_writel(host, IER, MCI_BIT(NOTBUSY));
+	}
+}
+
+static void atmci_dma_error(struct dma_request *_req)
+{
+	struct dma_request_sg *req = to_dma_request_sg(_req);
+	struct atmel_mci_dma *dma;
+	struct atmel_mci *host;
+
+	dma = container_of(req, struct atmel_mci_dma, req);
+	host = container_of(dma, struct atmel_mci, dma);
+
+	mci_writel(host, IDR, (MCI_BIT(NOTBUSY)
+			       | MCI_DATA_ERROR_FLAGS));
+
+	mci_set_dma_error_pending(host);
+	tasklet_schedule(&host->tasklet);
+}
+
+static irqreturn_t atmci_interrupt(int irq, void *dev_id)
+{
+	struct mmc_host *mmc = dev_id;
+	struct atmel_mci *host = mmc_priv(mmc);
+	u32 status, mask, pending;
+
+	spin_lock(&mmc->lock);
+
+	status = mci_readl(host, SR);
+	mask = mci_readl(host, IMR);
+	pending = status & mask;
+
+	do {
+		if (pending & MCI_CMD_ERROR_FLAGS) {
+			mci_writel(host, IDR, (MCI_BIT(CMDRDY)
+					       | MCI_BIT(NOTBUSY)
+					       | MCI_CMD_ERROR_FLAGS
+					       | MCI_DATA_ERROR_FLAGS));
+			host->error_status = status;
+			host->cmd = NULL;
+			if (mci_stop_sent_is_complete(host))
+				mci_set_stop_error_pending(host);
+			else
+				mci_set_cmd_error_pending(host);
+			tasklet_schedule(&host->tasklet);
+			break;
+		}
+		if (pending & MCI_DATA_ERROR_FLAGS) {
+			mci_writel(host, IDR, (MCI_BIT(NOTBUSY)
+					       | MCI_DATA_ERROR_FLAGS));
+			host->error_status = status;
+			mci_set_data_error_pending(host);
+			tasklet_schedule(&host->tasklet);
+			break;
+		}
+		if (pending & MCI_BIT(CMDRDY))
+			atmci_cmd_interrupt(mmc, status);
+		if (pending & MCI_BIT(NOTBUSY)) {
+			mci_writel(host, IDR, (MCI_BIT(NOTBUSY)
+					       | MCI_DATA_ERROR_FLAGS));
+			mci_set_data_pending(host);
+			tasklet_schedule(&host->tasklet);
+		}
+
+		status = mci_readl(host, SR);
+		mask = mci_readl(host, IMR);
+		pending = status & mask;
+	} while (pending);
+
+	spin_unlock(&mmc->lock);
+
+	return IRQ_HANDLED;
+}
+
+static irqreturn_t atmci_detect_change(int irq, void *dev_id)
+{
+	struct mmc_host *mmc = dev_id;
+	struct atmel_mci *host = mmc_priv(mmc);
+
+	int present = !gpio_get_value(irq_to_gpio(irq));
+
+	if (present != host->present) {
+		pr_debug("%s: card %s\n", mmc_hostname(host->mmc),
+			 present ? "inserted" : "removed");
+		host->present = present;
+		mci_set_card_detect_pending(host);
+		tasklet_schedule(&host->tasklet);
+	}
+	return IRQ_HANDLED;
+}
+
+static int __devinit atmci_probe(struct platform_device *pdev)
+{
+	struct mci_platform_data *board;
+	struct atmel_mci *host;
+	struct mmc_host *mmc;
+	struct resource *regs;
+	int irq;
+	int ret;
+
+	regs = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+	if (!regs)
+		return -ENXIO;
+	irq = platform_get_irq(pdev, 0);
+	if (irq < 0)
+		return irq;
+
+	board = pdev->dev.platform_data;
+
+	mmc = mmc_alloc_host(sizeof(struct atmel_mci), &pdev->dev);
+	if (!mmc)
+		return -ENOMEM;
+
+	host = mmc_priv(mmc);
+	host->pdev = pdev;
+	host->mmc = mmc;
+	if (board) {
+		host->detect_pin = board->detect_pin;
+		host->wp_pin = board->wp_pin;
+	} else {
+		host->detect_pin = -1;
+		host->detect_pin = -1;
+	}
+
+	host->mck = clk_get(&pdev->dev, "mci_clk");
+	if (IS_ERR(host->mck)) {
+		ret = PTR_ERR(host->mck);
+		goto out_free_host;
+	}
+	clk_enable(host->mck);
+
+	ret = -ENOMEM;
+	host->regs = ioremap(regs->start, regs->end - regs->start + 1);
+	if (!host->regs)
+		goto out_disable_clk;
+
+	host->bus_hz = clk_get_rate(host->mck);
+	host->mapbase = regs->start;
+
+	mmc->ops = &atmci_ops;
+	mmc->f_min = (host->bus_hz + 511) / 512;
+	mmc->f_max = min((unsigned int)(host->bus_hz / 2), fmax);
+	mmc->ocr_avail	= 0x00100000;
+	mmc->caps |= MMC_CAP_4_BIT_DATA;
+
+	tasklet_init(&host->tasklet, atmci_tasklet_func, (unsigned long)mmc);
+
+	ret = request_irq(irq, atmci_interrupt, 0, "mmci", mmc);
+	if (ret)
+		goto out_unmap;
+
+	/* Assume card is present if we don't have a detect pin */
+	host->present = 1;
+	if (host->detect_pin >= 0) {
+		if (gpio_request(host->detect_pin, "mmc_detect")) {
+			printk(KERN_WARNING "%s: no detect pin available\n",
+			       mmc_hostname(host->mmc));
+			host->detect_pin = -1;
+		} else {
+			host->present = !gpio_get_value(host->detect_pin);
+		}
+	}
+	if (host->wp_pin >= 0) {
+		if (gpio_request(host->wp_pin, "mmc_wp")) {
+			printk(KERN_WARNING "%s: no WP pin available\n",
+			       mmc_hostname(host->mmc));
+			host->wp_pin = -1;
+		}
+	}
+
+	/* TODO: Get this information from platform data */
+	ret = -ENOMEM;
+	host->dma.req.req.dmac = find_dma_controller(0);
+	if (!host->dma.req.req.dmac) {
+		printk(KERN_ERR
+		       "mmci: No DMA controller available, aborting\n");
+		goto out_free_irq;
+	}
+	ret = dma_alloc_channel(host->dma.req.req.dmac);
+	if (ret < 0) {
+		printk(KERN_ERR
+		       "mmci: Unable to allocate DMA channel, aborting\n");
+		goto out_free_irq;
+	}
+	host->dma.req.req.channel = ret;
+	host->dma.req.width = DMA_WIDTH_32BIT;
+	host->dma.req.req.xfer_complete = atmci_xfer_complete;
+	host->dma.req.req.block_complete = NULL; // atmci_block_complete;
+	host->dma.req.req.error = atmci_dma_error;
+	host->dma.rx_periph_id = 0;
+	host->dma.tx_periph_id = 1;
+
+	mci_writel(host, CR, MCI_BIT(SWRST));
+	mci_writel(host, IDR, ~0UL);
+	mci_writel(host, CR, MCI_BIT(MCIEN));
+
+	platform_set_drvdata(pdev, host);
+
+	mmc_add_host(mmc);
+
+	if (host->detect_pin >= 0) {
+		ret = request_irq(gpio_to_irq(host->detect_pin),
+				  atmci_detect_change,
+				  IRQF_TRIGGER_FALLING | IRQF_TRIGGER_RISING,
+				  DRIVER_NAME, mmc);
+		if (ret) {
+			printk(KERN_ERR
+			       "%s: could not request IRQ %d for detect pin\n",
+			       mmc_hostname(mmc),
+			       gpio_to_irq(host->detect_pin));
+			gpio_free(host->detect_pin);
+			host->detect_pin = -1;
+		}
+	}
+
+	printk(KERN_INFO "%s: Atmel MCI controller at 0x%08lx irq %d\n",
+	       mmc_hostname(mmc), host->mapbase, irq);
+
+	atmci_init_debugfs(host);
+
+	return 0;
+
+out_free_irq:
+	if (host->detect_pin >= 0)
+		gpio_free(host->detect_pin);
+	if (host->wp_pin >= 0)
+		gpio_free(host->wp_pin);
+	free_irq(irq, mmc);
+out_unmap:
+	iounmap(host->regs);
+out_disable_clk:
+	clk_disable(host->mck);
+	clk_put(host->mck);
+out_free_host:
+	mmc_free_host(mmc);
+	return ret;
+}
+
+static int __devexit atmci_remove(struct platform_device *pdev)
+{
+	struct atmel_mci *host = platform_get_drvdata(pdev);
+
+	platform_set_drvdata(pdev, NULL);
+
+	if (host) {
+		atmci_cleanup_debugfs(host);
+
+		if (host->detect_pin >= 0) {
+			free_irq(gpio_to_irq(host->detect_pin), host->mmc);
+			cancel_delayed_work(&host->mmc->detect);
+			gpio_free(host->detect_pin);
+		}
+
+		mmc_remove_host(host->mmc);
+
+		mci_writel(host, IDR, ~0UL);
+		mci_writel(host, CR, MCI_BIT(MCIDIS));
+		mci_readl(host, SR);
+
+		dma_release_channel(host->dma.req.req.dmac,
+				    host->dma.req.req.channel);
+
+		if (host->wp_pin >= 0)
+			gpio_free(host->wp_pin);
+
+		free_irq(platform_get_irq(pdev, 0), host->mmc);
+		iounmap(host->regs);
+
+		clk_disable(host->mck);
+		clk_put(host->mck);
+
+		mmc_free_host(host->mmc);
+	}
+	return 0;
+}
+
+static struct platform_driver atmci_driver = {
+	.probe		= atmci_probe,
+	.remove		= __devexit_p(atmci_remove),
+	.driver		= {
+		.name		= DRIVER_NAME,
+	},
+};
+
+static int __init atmci_init(void)
+{
+	return platform_driver_register(&atmci_driver);
+}
+
+static void __exit atmci_exit(void)
+{
+	platform_driver_unregister(&atmci_driver);
+}
+
+module_init(atmci_init);
+module_exit(atmci_exit);
+
+MODULE_DESCRIPTION("Atmel Multimedia Card Interface driver");
+MODULE_LICENSE("GPL");
diff -x .git -Nur linux-2.6.22.1/drivers/mmc/host/atmel-mci.h linux-avr32.git/drivers/mmc/host/atmel-mci.h
--- linux-2.6.22.1/drivers/mmc/host/atmel-mci.h	1970-01-01 01:00:00.000000000 +0100
+++ linux-avr32.git/drivers/mmc/host/atmel-mci.h	2007-07-12 14:00:03.000000000 +0200
@@ -0,0 +1,192 @@
+/*
+ * Atmel MultiMedia Card Interface driver
+ *
+ * Copyright (C) 2004-2006 Atmel Corporation
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+#ifndef __DRIVERS_MMC_ATMEL_MCI_H__
+#define __DRIVERS_MMC_ATMEL_MCI_H__
+
+/* MCI register offsets */
+#define MCI_CR					0x0000
+#define MCI_MR					0x0004
+#define MCI_DTOR				0x0008
+#define MCI_SDCR				0x000c
+#define MCI_ARGR				0x0010
+#define MCI_CMDR				0x0014
+#define MCI_BLKR				0x0018
+#define MCI_RSPR				0x0020
+#define MCI_RSPR1				0x0024
+#define MCI_RSPR2				0x0028
+#define MCI_RSPR3				0x002c
+#define MCI_RDR					0x0030
+#define MCI_TDR					0x0034
+#define MCI_SR					0x0040
+#define MCI_IER					0x0044
+#define MCI_IDR					0x0048
+#define MCI_IMR					0x004c
+
+/* Bitfields in CR */
+#define MCI_MCIEN_OFFSET			0
+#define MCI_MCIEN_SIZE				1
+#define MCI_MCIDIS_OFFSET			1
+#define MCI_MCIDIS_SIZE				1
+#define MCI_PWSEN_OFFSET			2
+#define MCI_PWSEN_SIZE				1
+#define MCI_PWSDIS_OFFSET			3
+#define MCI_PWSDIS_SIZE				1
+#define MCI_SWRST_OFFSET			7
+#define MCI_SWRST_SIZE				1
+
+/* Bitfields in MR */
+#define MCI_CLKDIV_OFFSET			0
+#define MCI_CLKDIV_SIZE				8
+#define MCI_PWSDIV_OFFSET			8
+#define MCI_PWSDIV_SIZE				3
+#define MCI_RDPROOF_OFFSET			11
+#define MCI_RDPROOF_SIZE			1
+#define MCI_WRPROOF_OFFSET			12
+#define MCI_WRPROOF_SIZE			1
+#define MCI_DMAPADV_OFFSET			14
+#define MCI_DMAPADV_SIZE			1
+#define MCI_BLKLEN_OFFSET			16
+#define MCI_BLKLEN_SIZE				16
+
+/* Bitfields in DTOR */
+#define MCI_DTOCYC_OFFSET			0
+#define MCI_DTOCYC_SIZE				4
+#define MCI_DTOMUL_OFFSET			4
+#define MCI_DTOMUL_SIZE				3
+
+/* Bitfields in SDCR */
+#define MCI_SDCSEL_OFFSET			0
+#define MCI_SDCSEL_SIZE				4
+#define MCI_SDCBUS_OFFSET			7
+#define MCI_SDCBUS_SIZE				1
+
+/* Bitfields in ARGR */
+#define MCI_ARG_OFFSET				0
+#define MCI_ARG_SIZE				32
+
+/* Bitfields in CMDR */
+#define MCI_CMDNB_OFFSET			0
+#define MCI_CMDNB_SIZE				6
+#define MCI_RSPTYP_OFFSET			6
+#define MCI_RSPTYP_SIZE				2
+#define MCI_SPCMD_OFFSET			8
+#define MCI_SPCMD_SIZE				3
+#define MCI_OPDCMD_OFFSET			11
+#define MCI_OPDCMD_SIZE				1
+#define MCI_MAXLAT_OFFSET			12
+#define MCI_MAXLAT_SIZE				1
+#define MCI_TRCMD_OFFSET			16
+#define MCI_TRCMD_SIZE				2
+#define MCI_TRDIR_OFFSET			18
+#define MCI_TRDIR_SIZE				1
+#define MCI_TRTYP_OFFSET			19
+#define MCI_TRTYP_SIZE				2
+
+/* Bitfields in BLKR */
+#define MCI_BCNT_OFFSET				0
+#define MCI_BCNT_SIZE				16
+
+/* Bitfields in RSPRn */
+#define MCI_RSP_OFFSET				0
+#define MCI_RSP_SIZE				32
+
+/* Bitfields in SR/IER/IDR/IMR */
+#define MCI_CMDRDY_OFFSET			0
+#define MCI_CMDRDY_SIZE				1
+#define MCI_RXRDY_OFFSET			1
+#define MCI_RXRDY_SIZE				1
+#define MCI_TXRDY_OFFSET			2
+#define MCI_TXRDY_SIZE				1
+#define MCI_BLKE_OFFSET				3
+#define MCI_BLKE_SIZE				1
+#define MCI_DTIP_OFFSET				4
+#define MCI_DTIP_SIZE				1
+#define MCI_NOTBUSY_OFFSET			5
+#define MCI_NOTBUSY_SIZE			1
+#define MCI_ENDRX_OFFSET			6
+#define MCI_ENDRX_SIZE				1
+#define MCI_ENDTX_OFFSET			7
+#define MCI_ENDTX_SIZE				1
+#define MCI_RXBUFF_OFFSET			14
+#define MCI_RXBUFF_SIZE				1
+#define MCI_TXBUFE_OFFSET			15
+#define MCI_TXBUFE_SIZE				1
+#define MCI_RINDE_OFFSET			16
+#define MCI_RINDE_SIZE				1
+#define MCI_RDIRE_OFFSET			17
+#define MCI_RDIRE_SIZE				1
+#define MCI_RCRCE_OFFSET			18
+#define MCI_RCRCE_SIZE				1
+#define MCI_RENDE_OFFSET			19
+#define MCI_RENDE_SIZE				1
+#define MCI_RTOE_OFFSET				20
+#define MCI_RTOE_SIZE				1
+#define MCI_DCRCE_OFFSET			21
+#define MCI_DCRCE_SIZE				1
+#define MCI_DTOE_OFFSET				22
+#define MCI_DTOE_SIZE				1
+#define MCI_OVRE_OFFSET				30
+#define MCI_OVRE_SIZE				1
+#define MCI_UNRE_OFFSET				31
+#define MCI_UNRE_SIZE				1
+
+/* Constants for DTOMUL */
+#define MCI_DTOMUL_1_CYCLE			0
+#define MCI_DTOMUL_16_CYCLES			1
+#define MCI_DTOMUL_128_CYCLES			2
+#define MCI_DTOMUL_256_CYCLES			3
+#define MCI_DTOMUL_1024_CYCLES			4
+#define MCI_DTOMUL_4096_CYCLES			5
+#define MCI_DTOMUL_65536_CYCLES			6
+#define MCI_DTOMUL_1048576_CYCLES		7
+
+/* Constants for RSPTYP */
+#define MCI_RSPTYP_NO_RESP			0
+#define MCI_RSPTYP_48_BIT			1
+#define MCI_RSPTYP_136_BIT			2
+
+/* Constants for SPCMD */
+#define MCI_SPCMD_NO_SPEC_CMD			0
+#define MCI_SPCMD_INIT_CMD			1
+#define MCI_SPCMD_SYNC_CMD			2
+#define MCI_SPCMD_INT_CMD			4
+#define MCI_SPCMD_INT_RESP			5
+
+/* Constants for TRCMD */
+#define MCI_TRCMD_NO_TRANS			0
+#define MCI_TRCMD_START_TRANS			1
+#define MCI_TRCMD_STOP_TRANS			2
+
+/* Constants for TRTYP */
+#define MCI_TRTYP_BLOCK				0
+#define MCI_TRTYP_MULTI_BLOCK			1
+#define MCI_TRTYP_STREAM			2
+
+/* Bit manipulation macros */
+#define MCI_BIT(name)					\
+	(1 << MCI_##name##_OFFSET)
+#define MCI_BF(name,value)				\
+	(((value) & ((1 << MCI_##name##_SIZE) - 1))	\
+	 << MCI_##name##_OFFSET)
+#define MCI_BFEXT(name,value)				\
+	(((value) >> MCI_##name##_OFFSET)		\
+	 & ((1 << MCI_##name##_SIZE) - 1))
+#define MCI_BFINS(name,value,old)			\
+	(((old) & ~(((1 << MCI_##name##_SIZE) - 1)	\
+		    << MCI_##name##_OFFSET))		\
+	 | MCI_BF(name,value))
+
+/* Register access macros */
+#define mci_readl(port,reg)				\
+	__raw_readl((port)->regs + MCI_##reg)
+#define mci_writel(port,reg,value)			\
+	__raw_writel((value), (port)->regs + MCI_##reg)
+
+#endif /* __DRIVERS_MMC_ATMEL_MCI_H__ */
diff -x .git -Nur linux-2.6.22.1/drivers/mmc/host/Kconfig linux-avr32.git/drivers/mmc/host/Kconfig
--- linux-2.6.22.1/drivers/mmc/host/Kconfig	2007-07-10 20:56:30.000000000 +0200
+++ linux-avr32.git/drivers/mmc/host/Kconfig	2007-07-12 14:00:03.000000000 +0200
@@ -74,6 +74,16 @@
 
 	  If unsure, say N.
 
+config MMC_ATMELMCI
+	tristate "Atmel Multimedia Card Interface support"
+	depends on AVR32 && MMC
+	help
+	  This selects the Atmel Multimedia Card Interface. If you have
+	  a AT91 (ARM) or AT32 (AVR32) platform with a Multimedia Card
+	  slot, say Y or M here.
+
+	  If unsure, say N.
+
 config MMC_IMX
 	tristate "Motorola i.MX Multimedia Card Interface support"
 	depends on ARCH_IMX
diff -x .git -Nur linux-2.6.22.1/drivers/mmc/host/Makefile linux-avr32.git/drivers/mmc/host/Makefile
--- linux-2.6.22.1/drivers/mmc/host/Makefile	2007-07-10 20:56:30.000000000 +0200
+++ linux-avr32.git/drivers/mmc/host/Makefile	2007-07-12 14:00:03.000000000 +0200
@@ -14,5 +14,6 @@
 obj-$(CONFIG_MMC_AU1X)		+= au1xmmc.o
 obj-$(CONFIG_MMC_OMAP)		+= omap.o
 obj-$(CONFIG_MMC_AT91)		+= at91_mci.o
+obj-$(CONFIG_MMC_ATMELMCI)	+= atmel-mci.o
 obj-$(CONFIG_MMC_TIFM_SD)	+= tifm_sd.o
 
diff -x .git -Nur linux-2.6.22.1/drivers/mtd/chips/cfi_cmdset_0001.c linux-avr32.git/drivers/mtd/chips/cfi_cmdset_0001.c
--- linux-2.6.22.1/drivers/mtd/chips/cfi_cmdset_0001.c	2007-07-10 20:56:30.000000000 +0200
+++ linux-avr32.git/drivers/mtd/chips/cfi_cmdset_0001.c	2007-07-12 14:00:03.000000000 +0200
@@ -50,6 +50,7 @@
 #define I82802AC	0x00ac
 #define MANUFACTURER_ST         0x0020
 #define M50LPW080       0x002F
+#define AT49BV640D	0x02de
 
 static int cfi_intelext_read (struct mtd_info *, loff_t, size_t, size_t *, u_char *);
 static int cfi_intelext_write_words(struct mtd_info *, loff_t, size_t, size_t *, const u_char *);
@@ -156,6 +157,47 @@
 }
 #endif
 
+/* Atmel chips don't use the same PRI format as Intel chips */
+static void fixup_convert_atmel_pri(struct mtd_info *mtd, void *param)
+{
+	struct map_info *map = mtd->priv;
+	struct cfi_private *cfi = map->fldrv_priv;
+	struct cfi_pri_intelext *extp = cfi->cmdset_priv;
+	struct cfi_pri_atmel atmel_pri;
+	uint32_t features = 0;
+
+	/* Reverse byteswapping */
+	extp->FeatureSupport = cpu_to_le32(extp->FeatureSupport);
+	extp->BlkStatusRegMask = cpu_to_le16(extp->BlkStatusRegMask);
+	extp->ProtRegAddr = cpu_to_le16(extp->ProtRegAddr);
+
+	memcpy(&atmel_pri, extp, sizeof(atmel_pri));
+	memset((char *)extp + 5, 0, sizeof(*extp) - 5);
+
+	printk(KERN_ERR "atmel Features: %02x\n", atmel_pri.Features);
+
+	if (atmel_pri.Features & 0x01) /* chip erase supported */
+		features |= (1<<0);
+	if (atmel_pri.Features & 0x02) /* erase suspend supported */
+		features |= (1<<1);
+	if (atmel_pri.Features & 0x04) /* program suspend supported */
+		features |= (1<<2);
+	if (atmel_pri.Features & 0x08) /* simultaneous operations supported */
+		features |= (1<<9);
+	if (atmel_pri.Features & 0x20) /* page mode read supported */
+		features |= (1<<7);
+	if (atmel_pri.Features & 0x40) /* queued erase supported */
+		features |= (1<<4);
+	if (atmel_pri.Features & 0x80) /* Protection bits supported */
+		features |= (1<<6);
+
+	extp->FeatureSupport = features;
+
+	/* burst write mode not supported */
+	cfi->cfiq->BufWriteTimeoutTyp = 0;
+	cfi->cfiq->BufWriteTimeoutMax = 0;
+}
+
 #ifdef CMDSET0001_DISABLE_ERASE_SUSPEND_ON_WRITE
 /* Some Intel Strata Flash prior to FPO revision C has bugs in this area */
 static void fixup_intel_strataflash(struct mtd_info *mtd, void* param)
@@ -233,6 +275,7 @@
 }
 
 static struct cfi_fixup cfi_fixup_table[] = {
+	{ CFI_MFR_ATMEL, CFI_ID_ANY, fixup_convert_atmel_pri, NULL },
 #ifdef CMDSET0001_DISABLE_ERASE_SUSPEND_ON_WRITE
 	{ CFI_MFR_ANY, CFI_ID_ANY, fixup_intel_strataflash, NULL },
 #endif
diff -x .git -Nur linux-2.6.22.1/drivers/mtd/chips/cfi_cmdset_0002.c linux-avr32.git/drivers/mtd/chips/cfi_cmdset_0002.c
--- linux-2.6.22.1/drivers/mtd/chips/cfi_cmdset_0002.c	2007-07-10 20:56:30.000000000 +0200
+++ linux-avr32.git/drivers/mtd/chips/cfi_cmdset_0002.c	2007-06-06 11:33:56.000000000 +0200
@@ -186,6 +186,10 @@
 		extp->TopBottom = 2;
 	else
 		extp->TopBottom = 3;
+
+	/* burst write mode not supported */
+	cfi->cfiq->BufWriteTimeoutTyp = 0;
+	cfi->cfiq->BufWriteTimeoutMax = 0;
 }
 
 static void fixup_use_secsi(struct mtd_info *mtd, void *param)
@@ -218,6 +222,7 @@
 }
 
 static struct cfi_fixup cfi_fixup_table[] = {
+	{ CFI_MFR_ATMEL, CFI_ID_ANY, fixup_convert_atmel_pri, NULL },
 #ifdef AMD_BOOTLOC_BUG
 	{ CFI_MFR_AMD, CFI_ID_ANY, fixup_amd_bootblock, NULL },
 #endif
@@ -230,7 +235,6 @@
 #if !FORCE_WORD_WRITE
 	{ CFI_MFR_ANY, CFI_ID_ANY, fixup_use_write_buffers, NULL, },
 #endif
-	{ CFI_MFR_ATMEL, CFI_ID_ANY, fixup_convert_atmel_pri, NULL },
 	{ 0, 0, NULL, NULL }
 };
 static struct cfi_fixup jedec_fixup_table[] = {
diff -x .git -Nur linux-2.6.22.1/drivers/net/Kconfig linux-avr32.git/drivers/net/Kconfig
--- linux-2.6.22.1/drivers/net/Kconfig	2007-07-10 20:56:30.000000000 +0200
+++ linux-avr32.git/drivers/net/Kconfig	2007-07-12 14:00:03.000000000 +0200
@@ -314,7 +314,7 @@
 config MACB
 	tristate "Atmel MACB support"
 	depends on NET_ETHERNET && (AVR32 || ARCH_AT91SAM9260 || ARCH_AT91SAM9263)
-	select MII
+	select PHYLIB
 	help
 	  The Atmel MACB ethernet interface is found on many AT32 and AT91
 	  parts. Say Y to include support for the MACB chip.
diff -x .git -Nur linux-2.6.22.1/drivers/net/macb.c linux-avr32.git/drivers/net/macb.c
--- linux-2.6.22.1/drivers/net/macb.c	2007-07-10 20:56:30.000000000 +0200
+++ linux-avr32.git/drivers/net/macb.c	2007-07-13 11:24:16.000000000 +0200
@@ -17,13 +17,14 @@
 #include <linux/init.h>
 #include <linux/netdevice.h>
 #include <linux/etherdevice.h>
-#include <linux/mii.h>
-#include <linux/mutex.h>
 #include <linux/dma-mapping.h>
-#include <linux/ethtool.h>
 #include <linux/platform_device.h>
+#include <linux/phy.h>
 
 #include <asm/arch/board.h>
+#if defined(CONFIG_ARCH_AT91)
+#include <asm/arch/cpu.h>
+#endif
 
 #include "macb.h"
 
@@ -85,172 +86,202 @@
 		memcpy(bp->dev->dev_addr, addr, sizeof(addr));
 }
 
-static void macb_enable_mdio(struct macb *bp)
-{
-	unsigned long flags;
-	u32 reg;
-
-	spin_lock_irqsave(&bp->lock, flags);
-	reg = macb_readl(bp, NCR);
-	reg |= MACB_BIT(MPE);
-	macb_writel(bp, NCR, reg);
-	macb_writel(bp, IER, MACB_BIT(MFD));
-	spin_unlock_irqrestore(&bp->lock, flags);
-}
-
-static void macb_disable_mdio(struct macb *bp)
+static int macb_mdio_read(struct mii_bus *bus, int mii_id, int regnum)
 {
-	unsigned long flags;
-	u32 reg;
-
-	spin_lock_irqsave(&bp->lock, flags);
-	reg = macb_readl(bp, NCR);
-	reg &= ~MACB_BIT(MPE);
-	macb_writel(bp, NCR, reg);
-	macb_writel(bp, IDR, MACB_BIT(MFD));
-	spin_unlock_irqrestore(&bp->lock, flags);
-}
-
-static int macb_mdio_read(struct net_device *dev, int phy_id, int location)
-{
-	struct macb *bp = netdev_priv(dev);
+	struct macb *bp = bus->priv;
 	int value;
 
-	mutex_lock(&bp->mdio_mutex);
-
-	macb_enable_mdio(bp);
 	macb_writel(bp, MAN, (MACB_BF(SOF, MACB_MAN_SOF)
 			      | MACB_BF(RW, MACB_MAN_READ)
-			      | MACB_BF(PHYA, phy_id)
-			      | MACB_BF(REGA, location)
+			      | MACB_BF(PHYA, mii_id)
+			      | MACB_BF(REGA, regnum)
 			      | MACB_BF(CODE, MACB_MAN_CODE)));
 
-	wait_for_completion(&bp->mdio_complete);
+	/* wait for end of transfer */
+	while (!MACB_BFEXT(IDLE, macb_readl(bp, NSR)))
+		cpu_relax();
 
 	value = MACB_BFEXT(DATA, macb_readl(bp, MAN));
-	macb_disable_mdio(bp);
-	mutex_unlock(&bp->mdio_mutex);
 
 	return value;
 }
 
-static void macb_mdio_write(struct net_device *dev, int phy_id,
-			    int location, int val)
+static int macb_mdio_write(struct mii_bus *bus, int mii_id, int regnum,
+			   u16 value)
 {
-	struct macb *bp = netdev_priv(dev);
-
-	dev_dbg(&bp->pdev->dev, "mdio_write %02x:%02x <- %04x\n",
-		phy_id, location, val);
-
-	mutex_lock(&bp->mdio_mutex);
-	macb_enable_mdio(bp);
+	struct macb *bp = bus->priv;
 
 	macb_writel(bp, MAN, (MACB_BF(SOF, MACB_MAN_SOF)
 			      | MACB_BF(RW, MACB_MAN_WRITE)
-			      | MACB_BF(PHYA, phy_id)
-			      | MACB_BF(REGA, location)
+			      | MACB_BF(PHYA, mii_id)
+			      | MACB_BF(REGA, regnum)
 			      | MACB_BF(CODE, MACB_MAN_CODE)
-			      | MACB_BF(DATA, val)));
+			      | MACB_BF(DATA, value)));
 
-	wait_for_completion(&bp->mdio_complete);
+	/* wait for end of transfer */
+	while (!MACB_BFEXT(IDLE, macb_readl(bp, NSR)))
+		cpu_relax();
 
-	macb_disable_mdio(bp);
-	mutex_unlock(&bp->mdio_mutex);
+	return 0;
 }
 
-static int macb_phy_probe(struct macb *bp)
+static int macb_mdio_reset(struct mii_bus *bus)
 {
-	int phy_address;
-	u16 phyid1, phyid2;
+	return 0;
+}
 
-	for (phy_address = 0; phy_address < 32; phy_address++) {
-		phyid1 = macb_mdio_read(bp->dev, phy_address, MII_PHYSID1);
-		phyid2 = macb_mdio_read(bp->dev, phy_address, MII_PHYSID2);
+static void macb_handle_link_change(struct net_device *dev)
+{
+	struct macb *bp = netdev_priv(dev);
+	struct phy_device *phydev = bp->phy_dev;
+	unsigned long flags;
 
-		if (phyid1 != 0xffff && phyid1 != 0x0000
-		    && phyid2 != 0xffff && phyid2 != 0x0000)
-			break;
+	int status_change = 0;
+
+	spin_lock_irqsave(&bp->lock, flags);
+
+	if (phydev->link) {
+		if ((bp->speed != phydev->speed) ||
+		    (bp->duplex != phydev->duplex)) {
+			u32 reg;
+
+			reg = macb_readl(bp, NCFGR);
+			reg &= ~(MACB_BIT(SPD) | MACB_BIT(FD));
+
+			if (phydev->duplex)
+				reg |= MACB_BIT(FD);
+			if (phydev->speed)
+				reg |= MACB_BIT(SPD);
+
+			macb_writel(bp, NCFGR, reg);
+
+			bp->speed = phydev->speed;
+			bp->duplex = phydev->duplex;
+			status_change = 1;
+		}
 	}
 
-	if (phy_address == 32)
-		return -ENODEV;
+	if (phydev->link != bp->link) {
+		if (phydev->link)
+			netif_schedule(dev);
+		else {
+			bp->speed = 0;
+			bp->duplex = -1;
+		}
+		bp->link = phydev->link;
 
-	dev_info(&bp->pdev->dev,
-		 "detected PHY at address %d (ID %04x:%04x)\n",
-		 phy_address, phyid1, phyid2);
+		status_change = 1;
+	}
 
-	bp->mii.phy_id = phy_address;
-	return 0;
+	spin_unlock_irqrestore(&bp->lock, flags);
+
+	if (status_change) {
+		if (phydev->link)
+			printk(KERN_INFO "%s: link up (%d/%s)\n",
+			       dev->name, phydev->speed,
+			       DUPLEX_FULL == phydev->duplex ? "Full":"Half");
+		else
+			printk(KERN_INFO "%s: link down\n", dev->name);
+	}
 }
 
-static void macb_set_media(struct macb *bp, int media)
+/* based on au1000_eth. c*/
+static int macb_mii_probe(struct net_device *dev)
 {
-	u32 reg;
+	struct macb *bp = netdev_priv(dev);
+	struct phy_device *phydev = NULL;
+	struct eth_platform_data *pdata;
+	int phy_addr;
 
-	spin_lock_irq(&bp->lock);
-	reg = macb_readl(bp, NCFGR);
-	reg &= ~(MACB_BIT(SPD) | MACB_BIT(FD));
-	if (media & (ADVERTISE_100HALF | ADVERTISE_100FULL))
-		reg |= MACB_BIT(SPD);
-	if (media & ADVERTISE_FULL)
-		reg |= MACB_BIT(FD);
-	macb_writel(bp, NCFGR, reg);
-	spin_unlock_irq(&bp->lock);
+	/* find the first phy */
+	for (phy_addr = 0; phy_addr < PHY_MAX_ADDR; phy_addr++) {
+		if (bp->mii_bus.phy_map[phy_addr]) {
+			phydev = bp->mii_bus.phy_map[phy_addr];
+			break;
+		}
+	}
+
+	if (!phydev) {
+		printk (KERN_ERR "%s: no PHY found\n", dev->name);
+		return -1;
+	}
+
+	pdata = bp->pdev->dev.platform_data;
+	/* TODO : add pin_irq */
+
+	/* attach the mac to the phy */
+	if (pdata && pdata->is_rmii) {
+		phydev = phy_connect(dev, phydev->dev.bus_id,
+			&macb_handle_link_change, 0, PHY_INTERFACE_MODE_RMII);
+	} else {
+		phydev = phy_connect(dev, phydev->dev.bus_id,
+			&macb_handle_link_change, 0, PHY_INTERFACE_MODE_MII);
+	}
+
+	if (IS_ERR(phydev)) {
+		printk(KERN_ERR "%s: Could not attach to PHY\n", dev->name);
+		return PTR_ERR(phydev);
+	}
+
+	/* mask with MAC supported features */
+	phydev->supported &= PHY_BASIC_FEATURES;
+
+	phydev->advertising = phydev->supported;
+
+	bp->link = 0;
+	bp->speed = 0;
+	bp->duplex = -1;
+	bp->phy_dev = phydev;
+
+	return 0;
 }
 
-static void macb_check_media(struct macb *bp, int ok_to_print, int init_media)
+static int macb_mii_init(struct macb *bp)
 {
-	struct mii_if_info *mii = &bp->mii;
-	unsigned int old_carrier, new_carrier;
-	int advertise, lpa, media, duplex;
+	struct eth_platform_data *pdata;
+	int err = -ENXIO, i;
 
-	/* if forced media, go no further */
-	if (mii->force_media)
-		return;
+	/* Enable managment port */
+	macb_writel(bp, NCR, MACB_BIT(MPE));
 
-	/* check current and old link status */
-	old_carrier = netif_carrier_ok(mii->dev) ? 1 : 0;
-	new_carrier = (unsigned int) mii_link_ok(mii);
+	bp->mii_bus.name = "MACB_mii_bus",
+	bp->mii_bus.read = &macb_mdio_read,
+	bp->mii_bus.write = &macb_mdio_write,
+	bp->mii_bus.reset = &macb_mdio_reset,
+	bp->mii_bus.id = bp->pdev->id,
+	bp->mii_bus.priv = bp,
+	bp->mii_bus.dev = &bp->dev->dev;
+	pdata = bp->pdev->dev.platform_data;
 
-	/* if carrier state did not change, assume nothing else did */
-	if (!init_media && old_carrier == new_carrier)
-		return;
+	if (pdata)
+		bp->mii_bus.phy_mask = pdata->phy_mask;
 
-	/* no carrier, nothing much to do */
-	if (!new_carrier) {
-		netif_carrier_off(mii->dev);
-		printk(KERN_INFO "%s: link down\n", mii->dev->name);
-		return;
+	bp->mii_bus.irq = kmalloc(sizeof(int)*PHY_MAX_ADDR, GFP_KERNEL);
+	if (!bp->mii_bus.irq) {
+		err = -ENOMEM;
+		goto err_out;
 	}
 
-	/*
-	 * we have carrier, see who's on the other end
-	 */
-	netif_carrier_on(mii->dev);
+	for (i = 0; i < PHY_MAX_ADDR; i++)
+		bp->mii_bus.irq[i] = PHY_POLL;
 
-	/* get MII advertise and LPA values */
-	if (!init_media && mii->advertising) {
-		advertise = mii->advertising;
-	} else {
-		advertise = mii->mdio_read(mii->dev, mii->phy_id, MII_ADVERTISE);
-		mii->advertising = advertise;
-	}
-	lpa = mii->mdio_read(mii->dev, mii->phy_id, MII_LPA);
+	platform_set_drvdata(bp->dev, &bp->mii_bus);
 
-	/* figure out media and duplex from advertise and LPA values */
-	media = mii_nway_result(lpa & advertise);
-	duplex = (media & ADVERTISE_FULL) ? 1 : 0;
+	if (mdiobus_register(&bp->mii_bus))
+		goto err_out_free_mdio_irq;
 
-	if (ok_to_print)
-		printk(KERN_INFO "%s: link up, %sMbps, %s-duplex, lpa 0x%04X\n",
-		       mii->dev->name,
-		       media & (ADVERTISE_100FULL | ADVERTISE_100HALF) ? "100" : "10",
-		       duplex ? "full" : "half", lpa);
+	if (macb_mii_probe(bp->dev) != 0) {
+		goto err_out_unregister_bus;
+	}
 
-	mii->full_duplex = duplex;
+	return 0;
 
-	/* Let the MAC know about the new link state */
-	macb_set_media(bp, media);
+err_out_unregister_bus:
+	mdiobus_unregister(&bp->mii_bus);
+err_out_free_mdio_irq:
+	kfree(bp->mii_bus.irq);
+err_out:
+	return err;
 }
 
 static void macb_update_stats(struct macb *bp)
@@ -265,16 +296,6 @@
 		*p += __raw_readl(reg);
 }
 
-static void macb_periodic_task(struct work_struct *work)
-{
-	struct macb *bp = container_of(work, struct macb, periodic_task.work);
-
-	macb_update_stats(bp);
-	macb_check_media(bp, 1, 0);
-
-	schedule_delayed_work(&bp->periodic_task, HZ);
-}
-
 static void macb_tx(struct macb *bp)
 {
 	unsigned int tail;
@@ -519,9 +540,6 @@
 	spin_lock(&bp->lock);
 
 	while (status) {
-		if (status & MACB_BIT(MFD))
-			complete(&bp->mdio_complete);
-
 		/* close possible race with dev_close */
 		if (unlikely(!netif_running(dev))) {
 			macb_writel(bp, IDR, ~0UL);
@@ -535,7 +553,8 @@
 				 * until we have processed the buffers
 				 */
 				macb_writel(bp, IDR, MACB_RX_INT_FLAGS);
-				dev_dbg(&bp->pdev->dev, "scheduling RX softirq\n");
+				dev_dbg(&bp->pdev->dev,
+					"scheduling RX softirq\n");
 				__netif_rx_schedule(dev);
 			}
 		}
@@ -765,7 +784,7 @@
 	macb_writel(bp, TBQP, bp->tx_ring_dma);
 
 	/* Enable TX and RX */
-	macb_writel(bp, NCR, MACB_BIT(RE) | MACB_BIT(TE));
+	macb_writel(bp, NCR, MACB_BIT(RE) | MACB_BIT(TE) | MACB_BIT(MPE));
 
 	/* Enable interrupts */
 	macb_writel(bp, IER, (MACB_BIT(RCOMP)
@@ -776,18 +795,126 @@
 			      | MACB_BIT(TCOMP)
 			      | MACB_BIT(ISR_ROVR)
 			      | MACB_BIT(HRESP)));
+
+}
+
+/*
+ * The hash address register is 64 bits long and takes up two
+ * locations in the memory map.  The least significant bits are stored
+ * in EMAC_HSL and the most significant bits in EMAC_HSH.
+ *
+ * The unicast hash enable and the multicast hash enable bits in the
+ * network configuration register enable the reception of hash matched
+ * frames. The destination address is reduced to a 6 bit index into
+ * the 64 bit hash register using the following hash function.  The
+ * hash function is an exclusive or of every sixth bit of the
+ * destination address.
+ *
+ * hi[5] = da[5] ^ da[11] ^ da[17] ^ da[23] ^ da[29] ^ da[35] ^ da[41] ^ da[47]
+ * hi[4] = da[4] ^ da[10] ^ da[16] ^ da[22] ^ da[28] ^ da[34] ^ da[40] ^ da[46]
+ * hi[3] = da[3] ^ da[09] ^ da[15] ^ da[21] ^ da[27] ^ da[33] ^ da[39] ^ da[45]
+ * hi[2] = da[2] ^ da[08] ^ da[14] ^ da[20] ^ da[26] ^ da[32] ^ da[38] ^ da[44]
+ * hi[1] = da[1] ^ da[07] ^ da[13] ^ da[19] ^ da[25] ^ da[31] ^ da[37] ^ da[43]
+ * hi[0] = da[0] ^ da[06] ^ da[12] ^ da[18] ^ da[24] ^ da[30] ^ da[36] ^ da[42]
+ *
+ * da[0] represents the least significant bit of the first byte
+ * received, that is, the multicast/unicast indicator, and da[47]
+ * represents the most significant bit of the last byte received.  If
+ * the hash index, hi[n], points to a bit that is set in the hash
+ * register then the frame will be matched according to whether the
+ * frame is multicast or unicast.  A multicast match will be signalled
+ * if the multicast hash enable bit is set, da[0] is 1 and the hash
+ * index points to a bit set in the hash register.  A unicast match
+ * will be signalled if the unicast hash enable bit is set, da[0] is 0
+ * and the hash index points to a bit set in the hash register.  To
+ * receive all multicast frames, the hash register should be set with
+ * all ones and the multicast hash enable bit should be set in the
+ * network configuration register.
+ */
+
+static inline int hash_bit_value(int bitnr, __u8 *addr)
+{
+	if (addr[bitnr / 8] & (1 << (bitnr % 8)))
+		return 1;
+	return 0;
+}
+
+/*
+ * Return the hash index value for the specified address.
+ */
+static int hash_get_index(__u8 *addr)
+{
+	int i, j, bitval;
+	int hash_index = 0;
+
+	for (j = 0; j < 6; j++) {
+		for (i = 0, bitval = 0; i < 8; i++)
+			bitval ^= hash_bit_value(i*6 + j, addr);
+
+		hash_index |= (bitval << j);
+	}
+
+	return hash_index;
 }
 
-static void macb_init_phy(struct net_device *dev)
+/*
+ * Add multicast addresses to the internal multicast-hash table.
+ */
+static void macb_sethashtable(struct net_device *dev)
 {
+	struct dev_mc_list *curr;
+	unsigned long mc_filter[2];
+	unsigned int i, bitnr;
 	struct macb *bp = netdev_priv(dev);
 
-	/* Set some reasonable default settings */
-	macb_mdio_write(dev, bp->mii.phy_id, MII_ADVERTISE,
-			ADVERTISE_CSMA | ADVERTISE_ALL);
-	macb_mdio_write(dev, bp->mii.phy_id, MII_BMCR,
-			(BMCR_SPEED100 | BMCR_ANENABLE
-			 | BMCR_ANRESTART | BMCR_FULLDPLX));
+	mc_filter[0] = mc_filter[1] = 0;
+
+	curr = dev->mc_list;
+	for (i = 0; i < dev->mc_count; i++, curr = curr->next) {
+		if (!curr) break;	/* unexpected end of list */
+
+		bitnr = hash_get_index(curr->dmi_addr);
+		mc_filter[bitnr >> 5] |= 1 << (bitnr & 31);
+	}
+
+	macb_writel(bp, HRB, mc_filter[0]);
+	macb_writel(bp, HRT, mc_filter[1]);
+}
+
+/*
+ * Enable/Disable promiscuous and multicast modes.
+ */
+static void macb_set_rx_mode(struct net_device *dev)
+{
+	unsigned long cfg;
+	struct macb *bp = netdev_priv(dev);
+
+	cfg = macb_readl(bp, NCFGR);
+
+	if (dev->flags & IFF_PROMISC)
+		/* Enable promiscuous mode */
+		cfg |= MACB_BIT(CAF);
+	else if (dev->flags & (~IFF_PROMISC))
+		 /* Disable promiscuous mode */
+		cfg &= ~MACB_BIT(CAF);
+
+	if (dev->flags & IFF_ALLMULTI) {
+		/* Enable all multicast mode */
+		macb_writel(bp, HRB, -1);
+		macb_writel(bp, HRT, -1);
+		cfg |= MACB_BIT(NCFGR_MTI);
+	} else if (dev->mc_count > 0) {
+		/* Enable specific multicasts */
+		macb_sethashtable(dev);
+		cfg |= MACB_BIT(NCFGR_MTI);
+	} else if (dev->flags & (~IFF_ALLMULTI)) {
+		/* Disable all multicast mode */
+		macb_writel(bp, HRB, 0);
+		macb_writel(bp, HRT, 0);
+		cfg &= ~MACB_BIT(NCFGR_MTI);
+	}
+
+	macb_writel(bp, NCFGR, cfg);
 }
 
 static int macb_open(struct net_device *dev)
@@ -797,6 +924,10 @@
 
 	dev_dbg(&bp->pdev->dev, "open\n");
 
+	/* if the phy is not yet register, retry later*/
+	if (!bp->phy_dev)
+		return -EAGAIN;
+
 	if (!is_valid_ether_addr(dev->dev_addr))
 		return -EADDRNOTAVAIL;
 
@@ -810,12 +941,11 @@
 
 	macb_init_rings(bp);
 	macb_init_hw(bp);
-	macb_init_phy(dev);
 
-	macb_check_media(bp, 1, 1);
-	netif_start_queue(dev);
+	/* schedule a link state check */
+	phy_start(bp->phy_dev);
 
-	schedule_delayed_work(&bp->periodic_task, HZ);
+	netif_start_queue(dev);
 
 	return 0;
 }
@@ -825,10 +955,11 @@
 	struct macb *bp = netdev_priv(dev);
 	unsigned long flags;
 
-	cancel_rearming_delayed_work(&bp->periodic_task);
-
 	netif_stop_queue(dev);
 
+	if (bp->phy_dev)
+		phy_stop(bp->phy_dev);
+
 	spin_lock_irqsave(&bp->lock, flags);
 	macb_reset_hw(bp);
 	netif_carrier_off(dev);
@@ -845,6 +976,9 @@
 	struct net_device_stats *nstat = &bp->stats;
 	struct macb_stats *hwstat = &bp->hw_stats;
 
+	/* read stats from hardware */
+	macb_update_stats(bp);
+
 	/* Convert HW stats into netdevice stats */
 	nstat->rx_errors = (hwstat->rx_fcs_errors +
 			    hwstat->rx_align_errors +
@@ -882,18 +1016,27 @@
 static int macb_get_settings(struct net_device *dev, struct ethtool_cmd *cmd)
 {
 	struct macb *bp = netdev_priv(dev);
+	struct phy_device *phydev = bp->phy_dev;
+
+	if (!phydev)
+		return -ENODEV;
 
-	return mii_ethtool_gset(&bp->mii, cmd);
+	return phy_ethtool_gset(phydev, cmd);
 }
 
 static int macb_set_settings(struct net_device *dev, struct ethtool_cmd *cmd)
 {
 	struct macb *bp = netdev_priv(dev);
+	struct phy_device *phydev = bp->phy_dev;
+
+	if (!phydev)
+		return -ENODEV;
 
-	return mii_ethtool_sset(&bp->mii, cmd);
+	return phy_ethtool_sset(phydev, cmd);
 }
 
-static void macb_get_drvinfo(struct net_device *dev, struct ethtool_drvinfo *info)
+static void macb_get_drvinfo(struct net_device *dev,
+			     struct ethtool_drvinfo *info)
 {
 	struct macb *bp = netdev_priv(dev);
 
@@ -902,104 +1045,34 @@
 	strcpy(info->bus_info, bp->pdev->dev.bus_id);
 }
 
-static int macb_nway_reset(struct net_device *dev)
-{
-	struct macb *bp = netdev_priv(dev);
-	return mii_nway_restart(&bp->mii);
-}
-
 static struct ethtool_ops macb_ethtool_ops = {
 	.get_settings		= macb_get_settings,
 	.set_settings		= macb_set_settings,
 	.get_drvinfo		= macb_get_drvinfo,
-	.nway_reset		= macb_nway_reset,
 	.get_link		= ethtool_op_get_link,
 };
 
 static int macb_ioctl(struct net_device *dev, struct ifreq *rq, int cmd)
 {
 	struct macb *bp = netdev_priv(dev);
+	struct phy_device *phydev = bp->phy_dev;
 
 	if (!netif_running(dev))
 		return -EINVAL;
 
-	return generic_mii_ioctl(&bp->mii, if_mii(rq), cmd, NULL);
-}
-
-static ssize_t macb_mii_show(const struct device *_dev, char *buf,
-			unsigned long addr)
-{
-	struct net_device *dev = to_net_dev(_dev);
-	struct macb *bp = netdev_priv(dev);
-	ssize_t ret = -EINVAL;
-
-	if (netif_running(dev)) {
-		int value;
-		value = macb_mdio_read(dev, bp->mii.phy_id, addr);
-		ret = sprintf(buf, "0x%04x\n", (uint16_t)value);
-	}
-
-	return ret;
-}
-
-#define MII_ENTRY(name, addr)					\
-static ssize_t show_##name(struct device *_dev,			\
-			   struct device_attribute *attr,	\
-			   char *buf)				\
-{								\
-	return macb_mii_show(_dev, buf, addr);			\
-}								\
-static DEVICE_ATTR(name, S_IRUGO, show_##name, NULL)
-
-MII_ENTRY(bmcr, MII_BMCR);
-MII_ENTRY(bmsr, MII_BMSR);
-MII_ENTRY(physid1, MII_PHYSID1);
-MII_ENTRY(physid2, MII_PHYSID2);
-MII_ENTRY(advertise, MII_ADVERTISE);
-MII_ENTRY(lpa, MII_LPA);
-MII_ENTRY(expansion, MII_EXPANSION);
-
-static struct attribute *macb_mii_attrs[] = {
-	&dev_attr_bmcr.attr,
-	&dev_attr_bmsr.attr,
-	&dev_attr_physid1.attr,
-	&dev_attr_physid2.attr,
-	&dev_attr_advertise.attr,
-	&dev_attr_lpa.attr,
-	&dev_attr_expansion.attr,
-	NULL,
-};
-
-static struct attribute_group macb_mii_group = {
-	.name	= "mii",
-	.attrs	= macb_mii_attrs,
-};
-
-static void macb_unregister_sysfs(struct net_device *net)
-{
-	struct device *_dev = &net->dev;
+	if (!phydev)
+		return -ENODEV;
 
-	sysfs_remove_group(&_dev->kobj, &macb_mii_group);
+	return phy_mii_ioctl(phydev, if_mii(rq), cmd);
 }
 
-static int macb_register_sysfs(struct net_device *net)
-{
-	struct device *_dev = &net->dev;
-	int ret;
-
-	ret = sysfs_create_group(&_dev->kobj, &macb_mii_group);
-	if (ret)
-		printk(KERN_WARNING
-		       "%s: sysfs mii attribute registration failed: %d\n",
-		       net->name, ret);
-	return ret;
-}
 static int __devinit macb_probe(struct platform_device *pdev)
 {
 	struct eth_platform_data *pdata;
 	struct resource *regs;
 	struct net_device *dev;
 	struct macb *bp;
+	struct phy_device *phydev;
 	unsigned long pclk_hz;
 	u32 config;
 	int err = -ENXIO;
@@ -1073,6 +1146,7 @@
 	dev->stop = macb_close;
 	dev->hard_start_xmit = macb_start_xmit;
 	dev->get_stats = macb_get_stats;
+	dev->set_multicast_list = macb_set_rx_mode;
 	dev->do_ioctl = macb_ioctl;
 	dev->poll = macb_poll;
 	dev->weight = 64;
@@ -1080,10 +1154,6 @@
 
 	dev->base_addr = regs->start;
 
-	INIT_DELAYED_WORK(&bp->periodic_task, macb_periodic_task);
-	mutex_init(&bp->mdio_mutex);
-	init_completion(&bp->mdio_complete);
-
 	/* Set MII management clock divider */
 	pclk_hz = clk_get_rate(bp->pclk);
 	if (pclk_hz <= 20000000)
@@ -1096,20 +1166,9 @@
 		config = MACB_BF(CLK, MACB_CLK_DIV64);
 	macb_writel(bp, NCFGR, config);
 
-	bp->mii.dev = dev;
-	bp->mii.mdio_read = macb_mdio_read;
-	bp->mii.mdio_write = macb_mdio_write;
-	bp->mii.phy_id_mask = 0x1f;
-	bp->mii.reg_num_mask = 0x1f;
-
 	macb_get_hwaddr(bp);
-	err = macb_phy_probe(bp);
-	if (err) {
-		dev_err(&pdev->dev, "Failed to detect PHY, aborting.\n");
-		goto err_out_free_irq;
-	}
-
 	pdata = pdev->dev.platform_data;
+
 	if (pdata && pdata->is_rmii)
 #if defined(CONFIG_ARCH_AT91)
 		macb_writel(bp, USRIO, (MACB_BIT(RMII) | MACB_BIT(CLKEN)) );
@@ -1131,9 +1190,11 @@
 		goto err_out_free_irq;
 	}
 
-	platform_set_drvdata(pdev, dev);
+	if (macb_mii_init(bp) != 0) {
+		goto err_out_unregister_netdev;
+	}
 
-	macb_register_sysfs(dev);
+	platform_set_drvdata(pdev, dev);
 
 	printk(KERN_INFO "%s: Atmel MACB at 0x%08lx irq %d "
 	       "(%02x:%02x:%02x:%02x:%02x:%02x)\n",
@@ -1141,8 +1202,15 @@
 	       dev->dev_addr[0], dev->dev_addr[1], dev->dev_addr[2],
 	       dev->dev_addr[3], dev->dev_addr[4], dev->dev_addr[5]);
 
+	phydev = bp->phy_dev;
+	printk(KERN_INFO "%s: attached PHY driver [%s] "
+		"(mii_bus:phy_addr=%s, irq=%d)\n",
+		dev->name, phydev->drv->name, phydev->dev.bus_id, phydev->irq);
+
 	return 0;
 
+err_out_unregister_netdev:
+	unregister_netdev(dev);
 err_out_free_irq:
 	free_irq(dev->irq, dev);
 err_out_iounmap:
@@ -1153,7 +1221,9 @@
 	clk_put(bp->hclk);
 #endif
 	clk_disable(bp->pclk);
+#ifndef CONFIG_ARCH_AT91
 err_out_put_pclk:
+#endif
 	clk_put(bp->pclk);
 err_out_free_dev:
 	free_netdev(dev);
@@ -1171,7 +1241,8 @@
 
 	if (dev) {
 		bp = netdev_priv(dev);
-		macb_unregister_sysfs(dev);
+		mdiobus_unregister(&bp->mii_bus);
+		kfree(bp->mii_bus.irq);
 		unregister_netdev(dev);
 		free_irq(dev->irq, dev);
 		iounmap(bp->regs);
diff -x .git -Nur linux-2.6.22.1/drivers/net/macb.h linux-avr32.git/drivers/net/macb.h
--- linux-2.6.22.1/drivers/net/macb.h	2007-07-10 20:56:30.000000000 +0200
+++ linux-avr32.git/drivers/net/macb.h	2007-07-12 14:00:04.000000000 +0200
@@ -383,11 +383,11 @@
 
 	unsigned int		rx_pending, tx_pending;
 
-	struct delayed_work	periodic_task;
-
-	struct mutex		mdio_mutex;
-	struct completion	mdio_complete;
-	struct mii_if_info	mii;
+	struct mii_bus		mii_bus;
+	struct phy_device	*phy_dev;
+	unsigned int 		link;
+	unsigned int 		speed;
+	unsigned int 		duplex;
 };
 
 #endif /* _MACB_H */
diff -x .git -Nur linux-2.6.22.1/drivers/rtc/Kconfig linux-avr32.git/drivers/rtc/Kconfig
--- linux-2.6.22.1/drivers/rtc/Kconfig	2007-07-10 20:56:30.000000000 +0200
+++ linux-avr32.git/drivers/rtc/Kconfig	2007-07-12 14:00:13.000000000 +0200
@@ -379,6 +379,13 @@
 	  To compile this driver as a module, choose M here: the
 	  module will be called rtc-pl031.
 
+config RTC_DRV_AT32AP700X
+	tristate "AT32AP700X series RTC"
+	depends on RTC_CLASS && PLATFORM_AT32AP
+	help
+	  Driver for the internal RTC (Realtime Clock) on Atmel AVR32
+	  AT32AP700x family processors.
+
 config RTC_DRV_AT91RM9200
 	tristate "AT91RM9200"
 	depends on RTC_CLASS && ARCH_AT91RM9200
diff -x .git -Nur linux-2.6.22.1/drivers/rtc/Makefile linux-avr32.git/drivers/rtc/Makefile
--- linux-2.6.22.1/drivers/rtc/Makefile	2007-07-10 20:56:30.000000000 +0200
+++ linux-avr32.git/drivers/rtc/Makefile	2007-07-12 14:00:13.000000000 +0200
@@ -19,6 +19,7 @@
 obj-$(CONFIG_RTC_DRV_X1205)	+= rtc-x1205.o
 obj-$(CONFIG_RTC_DRV_ISL1208)	+= rtc-isl1208.o
 obj-$(CONFIG_RTC_DRV_TEST)	+= rtc-test.o
+obj-$(CONFIG_RTC_DRV_AT32AP700X)	+= rtc-at32ap700x.o
 obj-$(CONFIG_RTC_DRV_DS1307)	+= rtc-ds1307.o
 obj-$(CONFIG_RTC_DRV_DS1672)	+= rtc-ds1672.o
 obj-$(CONFIG_RTC_DRV_DS1742)	+= rtc-ds1742.o
diff -x .git -Nur linux-2.6.22.1/drivers/rtc/rtc-at32ap700x.c linux-avr32.git/drivers/rtc/rtc-at32ap700x.c
--- linux-2.6.22.1/drivers/rtc/rtc-at32ap700x.c	1970-01-01 01:00:00.000000000 +0100
+++ linux-avr32.git/drivers/rtc/rtc-at32ap700x.c	2007-07-12 14:00:13.000000000 +0200
@@ -0,0 +1,337 @@
+/*
+ * An RTC driver for the AVR32 AT32AP700x processor series.
+ *
+ * Copyright (C) 2007 Atmel Corporation
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 as published
+ * by the Free Software Foundation.
+ */
+
+#include <linux/module.h>
+#include <linux/kernel.h>
+#include <linux/platform_device.h>
+#include <linux/rtc.h>
+#include <linux/io.h>
+
+/*
+ * This is a bare-bones RTC. It runs during most system sleep states, but has
+ * no battery backup and gets reset during system restart.  It must be
+ * initialized from an external clock (network, I2C, etc) before it can be of
+ * much use.
+ *
+ * The alarm functionality is limited by the hardware, not supporting
+ * periodic interrupts.
+ */
+
+#define RTC_CTRL		0x00
+#define RTC_CTRL_EN		   0
+#define RTC_CTRL_PCLR		   1
+#define RTC_CTRL_TOPEN		   2
+#define RTC_CTRL_PSEL		   8
+
+#define RTC_VAL			0x04
+
+#define RTC_TOP			0x08
+
+#define RTC_IER			0x10
+#define RTC_IER_TOPI		   0
+
+#define RTC_IDR			0x14
+#define RTC_IDR_TOPI		   0
+
+#define RTC_IMR			0x18
+#define RTC_IMR_TOPI		   0
+
+#define RTC_ISR			0x1c
+#define RTC_ISR_TOPI		   0
+
+#define RTC_ICR			0x20
+#define RTC_ICR_TOPI		   0
+
+#define RTC_BIT(name)		(1 << RTC_##name)
+#define RTC_BF(name, value)	((value) << RTC_##name)
+
+#define rtc_readl(dev, reg)				\
+	__raw_readl((dev)->regs + RTC_##reg)
+#define rtc_writel(dev, reg, value)			\
+	__raw_writel((value), (dev)->regs + RTC_##reg)
+
+struct rtc_at32ap700x {
+	struct rtc_device	*rtc;
+	void __iomem		*regs;
+	unsigned long		alarm_time;
+	unsigned long		irq;
+	/* Protect against concurrent register access. */
+	spinlock_t		lock;
+};
+
+static int at32_rtc_readtime(struct device *dev, struct rtc_time *tm)
+{
+	struct rtc_at32ap700x *rtc = dev_get_drvdata(dev);
+	unsigned long now;
+
+	now = rtc_readl(rtc, VAL);
+	rtc_time_to_tm(now, tm);
+
+	return 0;
+}
+
+static int at32_rtc_settime(struct device *dev, struct rtc_time *tm)
+{
+	struct rtc_at32ap700x *rtc = dev_get_drvdata(dev);
+	unsigned long now;
+	int ret;
+
+	ret = rtc_tm_to_time(tm, &now);
+	if (ret == 0)
+		rtc_writel(rtc, VAL, now);
+
+	return ret;
+}
+
+static int at32_rtc_readalarm(struct device *dev, struct rtc_wkalrm *alrm)
+{
+	struct rtc_at32ap700x *rtc = dev_get_drvdata(dev);
+
+	rtc_time_to_tm(rtc->alarm_time, &alrm->time);
+	alrm->pending = rtc_readl(rtc, IMR) & RTC_BIT(IMR_TOPI) ? 1 : 0;
+
+	return 0;
+}
+
+static int at32_rtc_setalarm(struct device *dev, struct rtc_wkalrm *alrm)
+{
+	struct rtc_at32ap700x *rtc = dev_get_drvdata(dev);
+	unsigned long rtc_unix_time;
+	unsigned long alarm_unix_time;
+	int ret;
+
+	rtc_unix_time = rtc_readl(rtc, VAL);
+
+	/* RTC does only support one alarm time, not periodic */
+	if (alrm->time.tm_mday <= 0) {
+		struct rtc_time	tm;
+		unsigned long then;
+
+		rtc_time_to_tm(rtc_unix_time, &tm);
+
+		alrm->time.tm_mday = tm.tm_mday;
+		alrm->time.tm_mon  = tm.tm_mon;
+		alrm->time.tm_year = tm.tm_year;
+
+		rtc_tm_to_time(&alrm->time, &then);
+
+		/* check if the alarm wraps into tomorrow */
+		if (then < rtc_unix_time) {
+			rtc_time_to_tm(rtc_unix_time + 24 * 60 * 60, &tm);
+			alrm->time.tm_mday = tm.tm_mday;
+			alrm->time.tm_mon  = tm.tm_mon;
+			alrm->time.tm_year = tm.tm_year;
+		}
+	}
+
+	ret = rtc_tm_to_time(&alrm->time, &alarm_unix_time);
+	if (ret)
+		return ret;
+
+	if (alarm_unix_time < rtc_unix_time)
+		return -EINVAL;
+
+	spin_lock_irq(&rtc->lock);
+	rtc->alarm_time = alarm_unix_time;
+	rtc_writel(rtc, TOP, rtc->alarm_time);
+	if (alrm->pending)
+		rtc_writel(rtc, CTRL, rtc_readl(rtc, CTRL)
+				| RTC_BIT(CTRL_TOPEN));
+	else
+		rtc_writel(rtc, CTRL, rtc_readl(rtc, CTRL)
+				& ~RTC_BIT(CTRL_TOPEN));
+	spin_unlock_irq(&rtc->lock);
+
+	return ret;
+}
+
+static int at32_rtc_ioctl(struct device *dev, unsigned int cmd,
+			unsigned long arg)
+{
+	struct rtc_at32ap700x *rtc = dev_get_drvdata(dev);
+	int ret = 0;
+
+	spin_lock_irq(&rtc->lock);
+
+	switch (cmd) {
+	case RTC_AIE_ON:
+		if (rtc_readl(rtc, VAL) > rtc->alarm_time) {
+			ret = -EINVAL;
+			break;
+		}
+		rtc_writel(rtc, CTRL, rtc_readl(rtc, CTRL)
+				| RTC_BIT(CTRL_TOPEN));
+		rtc_writel(rtc, ICR, RTC_BIT(ICR_TOPI));
+		rtc_writel(rtc, IER, RTC_BIT(IER_TOPI));
+		break;
+	case RTC_AIE_OFF:
+		rtc_writel(rtc, CTRL, rtc_readl(rtc, CTRL)
+				& ~RTC_BIT(CTRL_TOPEN));
+		rtc_writel(rtc, IDR, RTC_BIT(IDR_TOPI));
+		rtc_writel(rtc, ICR, RTC_BIT(ICR_TOPI));
+		break;
+	default:
+		ret = -ENOIOCTLCMD;
+		break;
+	}
+
+	spin_unlock_irq(&rtc->lock);
+
+	return ret;
+}
+
+static irqreturn_t at32_rtc_interrupt(int irq, void *dev_id)
+{
+	struct rtc_at32ap700x *rtc = (struct rtc_at32ap700x *)dev_id;
+	unsigned long isr = rtc_readl(rtc, ISR);
+	unsigned long events = 0;
+	int ret = IRQ_NONE;
+
+	spin_lock(&rtc->lock);
+
+	if (isr & RTC_BIT(ISR_TOPI)) {
+		rtc_writel(rtc, ICR, RTC_BIT(ICR_TOPI));
+		rtc_writel(rtc, IDR, RTC_BIT(IDR_TOPI));
+		rtc_writel(rtc, CTRL, rtc_readl(rtc, CTRL)
+				& ~RTC_BIT(CTRL_TOPEN));
+		rtc_writel(rtc, VAL, rtc->alarm_time);
+		events = RTC_AF | RTC_IRQF;
+		rtc_update_irq(rtc->rtc, 1, events);
+		ret = IRQ_HANDLED;
+	}
+
+	spin_unlock(&rtc->lock);
+
+	return ret;
+}
+
+static struct rtc_class_ops at32_rtc_ops = {
+	.ioctl		= at32_rtc_ioctl,
+	.read_time	= at32_rtc_readtime,
+	.set_time	= at32_rtc_settime,
+	.read_alarm	= at32_rtc_readalarm,
+	.set_alarm	= at32_rtc_setalarm,
+};
+
+static int __init at32_rtc_probe(struct platform_device *pdev)
+{
+	struct resource	*regs;
+	struct rtc_at32ap700x *rtc;
+	int irq = -1;
+	int ret;
+
+	rtc = kzalloc(sizeof(struct rtc_at32ap700x), GFP_KERNEL);
+	if (!rtc) {
+		dev_dbg(&pdev->dev, "out of memory\n");
+		return -ENOMEM;
+	}
+
+	regs = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+	if (!regs) {
+		dev_dbg(&pdev->dev, "no mmio resource defined\n");
+		ret = -ENXIO;
+		goto out;
+	}
+
+	irq = platform_get_irq(pdev, 0);
+	if (irq < 0) {
+		dev_dbg(&pdev->dev, "could not get irq\n");
+		ret = -ENXIO;
+		goto out;
+	}
+
+	ret = request_irq(irq, at32_rtc_interrupt, IRQF_SHARED, "rtc", rtc);
+	if (ret) {
+		dev_dbg(&pdev->dev, "could not request irq %d\n", irq);
+		goto out;
+	}
+
+	rtc->irq = irq;
+	rtc->regs = ioremap(regs->start, regs->end - regs->start + 1);
+	if (!rtc->regs) {
+		ret = -ENOMEM;
+		dev_dbg(&pdev->dev, "could not map I/O memory\n");
+		goto out_free_irq;
+	}
+	spin_lock_init(&rtc->lock);
+
+	/*
+	 * Maybe init RTC: count from zero at 1 Hz, disable wrap irq.
+	 *
+	 * Do not reset VAL register, as it can hold an old time
+	 * from last JTAG reset.
+	 */
+	if (!(rtc_readl(rtc, CTRL) & RTC_BIT(CTRL_EN))) {
+		rtc_writel(rtc, CTRL, RTC_BIT(CTRL_PCLR));
+		rtc_writel(rtc, IDR, RTC_BIT(IDR_TOPI));
+		rtc_writel(rtc, CTRL, RTC_BF(CTRL_PSEL, 0xe)
+				| RTC_BIT(CTRL_EN));
+	}
+
+	rtc->rtc = rtc_device_register(pdev->name, &pdev->dev,
+				&at32_rtc_ops, THIS_MODULE);
+	if (IS_ERR(rtc->rtc)) {
+		dev_dbg(&pdev->dev, "could not register rtc device\n");
+		ret = PTR_ERR(rtc->rtc);
+		goto out_iounmap;
+	}
+
+	platform_set_drvdata(pdev, rtc);
+
+	dev_info(&pdev->dev, "Atmel RTC for AT32AP700x at %08lx irq %ld\n",
+			(unsigned long)rtc->regs, rtc->irq);
+
+	return 0;
+
+out_iounmap:
+	iounmap(rtc->regs);
+out_free_irq:
+	free_irq(irq, rtc);
+out:
+	kfree(rtc);
+	return ret;
+}
+
+static int __exit at32_rtc_remove(struct platform_device *pdev)
+{
+	struct rtc_at32ap700x *rtc = platform_get_drvdata(pdev);
+
+	free_irq(rtc->irq, rtc);
+	iounmap(rtc->regs);
+	rtc_device_unregister(rtc->rtc);
+	kfree(rtc);
+	platform_set_drvdata(pdev, NULL);
+
+	return 0;
+}
+
+static struct platform_driver at32_rtc_driver = {
+	.remove		= __exit_p(at32_rtc_remove),
+	.driver		= {
+		.name	= "rtc-at32ap700x",
+		.owner	= THIS_MODULE,
+	},
+};
+
+static int __init at32_rtc_init(void)
+{
+	return platform_driver_probe(&at32_rtc_driver, at32_rtc_probe);
+}
+module_init(at32_rtc_init);
+
+static void __exit at32_rtc_exit(void)
+{
+	platform_driver_unregister(&at32_rtc_driver);
+}
+module_exit(at32_rtc_exit);
+
+MODULE_AUTHOR("Hans-Christian Egtvedt <hcegtvedt@atmel.com>");
+MODULE_DESCRIPTION("Real time clock for AVR32 AT32AP700x");
+MODULE_LICENSE("GPL");
diff -x .git -Nur linux-2.6.22.1/drivers/serial/atmel_serial.c linux-avr32.git/drivers/serial/atmel_serial.c
--- linux-2.6.22.1/drivers/serial/atmel_serial.c	2007-07-10 20:56:30.000000000 +0200
+++ linux-avr32.git/drivers/serial/atmel_serial.c	2007-06-06 11:33:59.000000000 +0200
@@ -114,6 +114,7 @@
 	struct uart_port	uart;		/* uart */
 	struct clk		*clk;		/* uart clock */
 	unsigned short		suspended;	/* is port suspended? */
+	int			break_active;	/* break being received */
 };
 
 static struct atmel_uart_port atmel_ports[ATMEL_MAX_UART];
@@ -252,6 +253,7 @@
  */
 static void atmel_rx_chars(struct uart_port *port)
 {
+	struct atmel_uart_port *atmel_port = (struct atmel_uart_port *) port;
 	struct tty_struct *tty = port->info->tty;
 	unsigned int status, ch, flg;
 
@@ -267,13 +269,29 @@
 		 * note that the error handling code is
 		 * out of the main execution path
 		 */
-		if (unlikely(status & (ATMEL_US_PARE | ATMEL_US_FRAME | ATMEL_US_OVRE | ATMEL_US_RXBRK))) {
+		if (unlikely(status & (ATMEL_US_PARE | ATMEL_US_FRAME
+				       | ATMEL_US_OVRE | ATMEL_US_RXBRK)
+			     || atmel_port->break_active)) {
 			UART_PUT_CR(port, ATMEL_US_RSTSTA);	/* clear error */
-			if (status & ATMEL_US_RXBRK) {
+			if (status & ATMEL_US_RXBRK
+			    && !atmel_port->break_active) {
 				status &= ~(ATMEL_US_PARE | ATMEL_US_FRAME);	/* ignore side-effect */
 				port->icount.brk++;
+				atmel_port->break_active = 1;
+				UART_PUT_IER(port, ATMEL_US_RXBRK);
 				if (uart_handle_break(port))
 					goto ignore_char;
+			} else {
+				/*
+				 * This is either the end-of-break
+				 * condition or we've received at
+				 * least one character without RXBRK
+				 * being set. In both cases, the next
+				 * RXBRK will indicate start-of-break.
+				 */
+				UART_PUT_IDR(port, ATMEL_US_RXBRK);
+				status &= ~ATMEL_US_RXBRK;
+				atmel_port->break_active = 0;
 			}
 			if (status & ATMEL_US_PARE)
 				port->icount.parity++;
@@ -352,6 +370,16 @@
 		/* Interrupt receive */
 		if (pending & ATMEL_US_RXRDY)
 			atmel_rx_chars(port);
+		else if (pending & ATMEL_US_RXBRK) {
+			/*
+			 * End of break detected. If it came along
+			 * with a character, atmel_rx_chars will
+			 * handle it.
+			 */
+			UART_PUT_CR(port, ATMEL_US_RSTSTA);
+			UART_PUT_IDR(port, ATMEL_US_RXBRK);
+			atmel_port->break_active = 0;
+		}
 
 		// TODO: All reads to CSR will clear these interrupts!
 		if (pending & ATMEL_US_RIIC) port->icount.rng++;
diff -x .git -Nur linux-2.6.22.1/drivers/spi/atmel_spi.c linux-avr32.git/drivers/spi/atmel_spi.c
--- linux-2.6.22.1/drivers/spi/atmel_spi.c	2007-07-10 20:56:30.000000000 +0200
+++ linux-avr32.git/drivers/spi/atmel_spi.c	2007-06-06 11:33:59.000000000 +0200
@@ -412,8 +412,8 @@
 		csr |= SPI_BIT(NCPHA);
 
 	/* TODO: DLYBS and DLYBCT */
-	csr |= SPI_BF(DLYBS, 10);
-	csr |= SPI_BF(DLYBCT, 10);
+	csr |= SPI_BF(DLYBS, 0);
+	csr |= SPI_BF(DLYBCT, 0);
 
 	/* chipselect must have been muxed as GPIO (e.g. in board setup) */
 	npcs_pin = (unsigned int)spi->controller_data;
diff -x .git -Nur linux-2.6.22.1/drivers/usb/gadget/atmel_usba_udc.c linux-avr32.git/drivers/usb/gadget/atmel_usba_udc.c
--- linux-2.6.22.1/drivers/usb/gadget/atmel_usba_udc.c	1970-01-01 01:00:00.000000000 +0100
+++ linux-avr32.git/drivers/usb/gadget/atmel_usba_udc.c	2007-07-12 14:00:19.000000000 +0200
@@ -0,0 +1,2072 @@
+/*
+ * Driver for the Atmel USBA high speed USB device controller
+ *
+ * Copyright (C) 2005-2007 Atmel Corporation
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+/* #define DEBUG */
+
+#include <linux/clk.h>
+#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/interrupt.h>
+#include <linux/io.h>
+#include <linux/device.h>
+#include <linux/dma-mapping.h>
+#include <linux/list.h>
+#include <linux/platform_device.h>
+#include <linux/usb/ch9.h>
+#include <linux/usb_gadget.h>
+#include <linux/delay.h>
+
+#include <asm/gpio.h>
+#include <asm/arch/board.h>
+
+#include "atmel_usba_udc.h"
+
+#define DMA_ADDR_INVALID (~(dma_addr_t)0)
+
+#define FIFO_IOMEM_ID	0
+#define CTRL_IOMEM_ID	1
+
+#ifdef DEBUG
+#define DBG_ERR		0x0001	/* report all error returns */
+#define DBG_HW		0x0002	/* debug hardware initialization */
+#define DBG_GADGET	0x0004	/* calls to/from gadget driver */
+#define DBG_INT		0x0008	/* interrupts */
+#define DBG_BUS		0x0010	/* report changes in bus state */
+#define DBG_QUEUE	0x0020  /* debug request queue processing */
+#define DBG_FIFO	0x0040  /* debug FIFO contents */
+#define DBG_DMA		0x0080  /* debug DMA handling */
+#define DBG_REQ		0x0100	/* print out queued request length */
+#define DBG_ALL		0xffff
+#define DBG_NONE	0x0000
+
+#define DEBUG_LEVEL	(DBG_ERR)
+#define DBG(level, fmt, ...)					\
+	do {							\
+		if ((level) & DEBUG_LEVEL)			\
+			printk(KERN_DEBUG "udc: " fmt, ## __VA_ARGS__);	\
+	} while (0)
+#else
+#define DBG(level, fmt...)
+#endif
+
+static struct usba_udc the_udc;
+
+#ifdef CONFIG_DEBUG_FS
+#include <linux/debugfs.h>
+#include <linux/uaccess.h>
+
+static int queue_dbg_open(struct inode *inode, struct file *file)
+{
+	struct usba_ep *ep = inode->i_private;
+	struct usba_request *req, *req_copy;
+	struct list_head *queue_data;
+
+	queue_data = kmalloc(sizeof(*queue_data), GFP_KERNEL);
+	if (!queue_data)
+		return -ENOMEM;
+	INIT_LIST_HEAD(queue_data);
+
+	spin_lock_irq(&ep->udc->lock);
+	list_for_each_entry(req, &ep->queue, queue) {
+		req_copy = kmalloc(sizeof(*req_copy), GFP_ATOMIC);
+		if (!req_copy)
+			goto fail;
+		memcpy(req_copy, req, sizeof(*req_copy));
+		list_add_tail(&req_copy->queue, queue_data);
+	}
+	spin_unlock_irq(&ep->udc->lock);
+
+	file->private_data = queue_data;
+	return 0;
+
+fail:
+	spin_unlock_irq(&ep->udc->lock);
+	list_for_each_entry_safe(req, req_copy, queue_data, queue) {
+		list_del(&req->queue);
+		kfree(req);
+	}
+	kfree(queue_data);
+	return -ENOMEM;
+}
+
+/*
+ * bbbbbbbb llllllll IZS sssss nnnn FDL\n\0
+ *
+ * b: buffer address
+ * l: buffer length
+ * I/i: interrupt/no interrupt
+ * Z/z: zero/no zero
+ * S/s: short ok/short not ok
+ * s: status
+ * n: nr_packets
+ * F/f: submitted/not submitted to FIFO
+ * D/d: using/not using DMA
+ * L/l: last transaction/not last transaction
+ */
+static ssize_t queue_dbg_read(struct file *file, char __user *buf,
+			      size_t nbytes, loff_t *ppos)
+{
+	struct list_head *queue = file->private_data;
+	struct usba_request *req, *tmp_req;
+	size_t len, remaining, actual = 0;
+	char tmpbuf[38];
+
+	if (!access_ok(VERIFY_WRITE, buf, nbytes))
+		return -EFAULT;
+
+	mutex_lock(&file->f_dentry->d_inode->i_mutex);
+	list_for_each_entry_safe(req, tmp_req, queue, queue) {
+		len = snprintf(tmpbuf, sizeof(tmpbuf),
+			       "%8p %08x %c%c%c %5d %c%c%c\n",
+			       req->req.buf, req->req.length,
+			       req->req.no_interrupt ? 'i' : 'I',
+			       req->req.zero ? 'Z' : 'z',
+			       req->req.short_not_ok ? 's' : 'S',
+			       req->req.status,
+			       req->submitted ? 'F' : 'f',
+			       req->using_dma ? 'D' : 'd',
+			       req->last_transaction ? 'L' : 'l');
+		len = min(len, sizeof(tmpbuf));
+		if (len > nbytes)
+			break;
+
+		list_del(&req->queue);
+		kfree(req);
+
+		remaining = __copy_to_user(buf, tmpbuf, len);
+		actual += len - remaining;
+		if (remaining)
+			break;
+
+		nbytes -= len;
+		buf += len;
+	}
+	mutex_unlock(&file->f_dentry->d_inode->i_mutex);
+
+	return actual;
+}
+
+static int queue_dbg_release(struct inode *inode, struct file *file)
+{
+	struct list_head *queue_data = file->private_data;
+	struct usba_request *req, *tmp_req;
+
+	list_for_each_entry_safe(req, tmp_req, queue_data, queue) {
+		list_del(&req->queue);
+		kfree(req);
+	}
+	kfree(queue_data);
+	return 0;
+}
+
+static int regs_dbg_open(struct inode *inode, struct file *file)
+{
+	struct usba_udc *udc;
+	unsigned int i;
+	u32 *data;
+	int ret = -ENOMEM;
+
+	mutex_lock(&inode->i_mutex);
+	udc = inode->i_private;
+	data = kmalloc(inode->i_size, GFP_KERNEL);
+	if (!data)
+		goto out;
+
+	spin_lock_irq(&udc->lock);
+	for (i = 0; i < inode->i_size / 4; i++)
+		data[i] = __raw_readl(udc->regs + i * 4);
+	spin_unlock_irq(&udc->lock);
+
+	file->private_data = data;
+	ret = 0;
+
+out:
+	mutex_unlock(&inode->i_mutex);
+
+	return ret;
+}
+
+static ssize_t regs_dbg_read(struct file *file, char __user *buf,
+			     size_t nbytes, loff_t *ppos)
+{
+	struct inode *inode = file->f_dentry->d_inode;
+	int ret;
+
+	mutex_lock(&inode->i_mutex);
+	ret = simple_read_from_buffer(buf, nbytes, ppos,
+				       file->private_data,
+				       file->f_dentry->d_inode->i_size);
+	mutex_unlock(&inode->i_mutex);
+
+	return ret;
+}
+
+static int regs_dbg_release(struct inode *inode, struct file *file)
+{
+	kfree(file->private_data);
+	return 0;
+}
+
+const struct file_operations queue_dbg_fops = {
+	.owner		= THIS_MODULE,
+	.open		= queue_dbg_open,
+	.llseek		= no_llseek,
+	.read		= queue_dbg_read,
+	.release	= queue_dbg_release,
+};
+
+const struct file_operations regs_dbg_fops = {
+	.owner		= THIS_MODULE,
+	.open		= regs_dbg_open,
+	.llseek		= generic_file_llseek,
+	.read		= regs_dbg_read,
+	.release	= regs_dbg_release,
+};
+
+static void usba_ep_init_debugfs(struct usba_udc *udc,
+				  struct usba_ep *ep)
+{
+	struct dentry *ep_root;
+
+	ep_root = debugfs_create_dir(ep_name(ep), udc->debugfs_root);
+	if (!ep_root)
+		goto err_root;
+	ep->debugfs_dir = ep_root;
+
+	ep->debugfs_queue = debugfs_create_file("queue", 0400, ep_root,
+						ep, &queue_dbg_fops);
+	if (!ep->debugfs_queue)
+		goto err_queue;
+
+	if (ep_can_dma(ep)) {
+		ep->debugfs_dma_status
+			= debugfs_create_u32("dma_status", 0400, ep_root,
+					     &ep->last_dma_status);
+		if (!ep->debugfs_dma_status)
+			goto err_dma_status;
+	}
+	if (ep_is_control(ep)) {
+		ep->debugfs_state
+			= debugfs_create_u32("state", 0400, ep_root,
+					     &ep->state);
+		if (!ep->debugfs_state)
+			goto err_state;
+	}
+
+	return;
+
+err_state:
+	if (ep_can_dma(ep))
+		debugfs_remove(ep->debugfs_dma_status);
+err_dma_status:
+	debugfs_remove(ep->debugfs_queue);
+err_queue:
+	debugfs_remove(ep_root);
+err_root:
+	dev_err(&ep->udc->pdev->dev,
+		"failed to create debugfs directory for %s\n", ep_name(ep));
+}
+
+static void usba_ep_cleanup_debugfs(struct usba_ep *ep)
+{
+	debugfs_remove(ep->debugfs_queue);
+	debugfs_remove(ep->debugfs_dma_status);
+	debugfs_remove(ep->debugfs_state);
+	debugfs_remove(ep->debugfs_dir);
+	ep->debugfs_dma_status = NULL;
+	ep->debugfs_dir = NULL;
+}
+
+static void usba_init_debugfs(struct usba_udc *udc)
+{
+	struct dentry *root, *regs;
+	struct resource *regs_resource;
+
+	root = debugfs_create_dir(udc->gadget.name, NULL);
+	if (IS_ERR(root) || !root)
+		goto err_root;
+	udc->debugfs_root = root;
+
+	regs = debugfs_create_file("regs", 0400, root, udc, &regs_dbg_fops);
+	if (!regs)
+		goto err_regs;
+
+	regs_resource = platform_get_resource(udc->pdev, IORESOURCE_MEM,
+					      CTRL_IOMEM_ID);
+	regs->d_inode->i_size = regs_resource->end - regs_resource->start + 1;
+	udc->debugfs_regs = regs;
+
+	usba_ep_init_debugfs(udc, to_usba_ep(udc->gadget.ep0));
+
+	return;
+
+err_regs:
+	debugfs_remove(root);
+err_root:
+	udc->debugfs_root = NULL;
+	dev_err(&udc->pdev->dev, "debugfs is not available\n");
+}
+
+static void usba_cleanup_debugfs(struct usba_udc *udc)
+{
+	usba_ep_cleanup_debugfs(to_usba_ep(udc->gadget.ep0));
+	debugfs_remove(udc->debugfs_regs);
+	debugfs_remove(udc->debugfs_root);
+	udc->debugfs_regs = NULL;
+	udc->debugfs_root = NULL;
+}
+#else
+static inline void usba_ep_init_debugfs(struct usba_udc *udc,
+					 struct usba_ep *ep)
+{
+
+}
+
+static inline void usba_ep_cleanup_debugfs(struct usba_ep *ep)
+{
+
+}
+
+static inline void usba_init_debugfs(struct usba_udc *udc)
+{
+
+}
+
+static inline void usba_cleanup_debugfs(struct usba_udc *udc)
+{
+
+}
+#endif
+
+static int vbus_is_present(struct usba_udc *udc)
+{
+	if (udc->vbus_pin != -1)
+		return gpio_get_value(udc->vbus_pin);
+
+	/* No Vbus detection: Assume always present */
+	return 1;
+}
+
+static void copy_to_fifo(void __iomem *fifo, const void *buf, int len)
+{
+	unsigned long tmp;
+
+	DBG(DBG_FIFO, "copy to FIFO (len %d):\n", len);
+	for (; len > 0; len -= 4, buf += 4, fifo += 4) {
+		tmp = *(unsigned long *)buf;
+		if (len >= 4) {
+			DBG(DBG_FIFO, "  -> %08lx\n", tmp);
+			__raw_writel(tmp, fifo);
+		} else {
+			do {
+				DBG(DBG_FIFO, "  -> %02lx\n", tmp >> 24);
+				__raw_writeb(tmp >> 24, fifo);
+				fifo++;
+				tmp <<= 8;
+			} while (--len);
+			break;
+		}
+	}
+}
+
+static void copy_from_fifo(void *buf, void __iomem *fifo, int len)
+{
+	union {
+		unsigned long *w;
+		unsigned char *b;
+	} p;
+	unsigned long tmp;
+
+	DBG(DBG_FIFO, "copy from FIFO (len %d):\n", len);
+	for (p.w = buf; len > 0; len -= 4, p.w++, fifo += 4) {
+		if (len >= 4) {
+			tmp = __raw_readl(fifo);
+			*p.w = tmp;
+			DBG(DBG_FIFO, "  -> %08lx\n", tmp);
+		} else {
+			do {
+				tmp = __raw_readb(fifo);
+				*p.b = tmp;
+				DBG(DBG_FIFO, " -> %02lx\n", tmp);
+				fifo++, p.b++;
+			} while (--len);
+		}
+	}
+}
+
+static void next_fifo_transaction(struct usba_ep *ep,
+				  struct usba_request *req)
+{
+	unsigned int transaction_len;
+
+	transaction_len = req->req.length - req->req.actual;
+	req->last_transaction = 1;
+	if (transaction_len > ep->ep.maxpacket) {
+		transaction_len = ep->ep.maxpacket;
+		req->last_transaction = 0;
+	} else if (transaction_len == ep->ep.maxpacket
+		   && req->req.zero) {
+		req->last_transaction = 0;
+	}
+	DBG(DBG_QUEUE, "%s: submit_transaction, req %p (length %d)%s\n",
+	    ep_name(ep), req, transaction_len,
+	    req->last_transaction ? ", done" : "");
+
+	copy_to_fifo(ep->fifo, req->req.buf + req->req.actual, transaction_len);
+	usba_ep_writel(ep, SET_STA, USBA_BIT(TX_PK_RDY));
+	req->req.actual += transaction_len;
+}
+
+static void submit_request(struct usba_ep *ep, struct usba_request *req)
+{
+	DBG(DBG_QUEUE, "%s: submit_request: req %p (length %d)\n",
+	    ep_name(ep), req, req->req.length);
+
+	req->req.actual = 0;
+	req->submitted = 1;
+
+	if (req->using_dma) {
+		if (req->req.length == 0) {
+			usba_ep_writel(ep, CTL_ENB, USBA_BIT(TX_PK_RDY));
+			return;
+		}
+
+		if (req->req.zero)
+			usba_ep_writel(ep, CTL_ENB, USBA_BIT(SHORT_PACKET));
+		else
+			usba_ep_writel(ep, CTL_DIS, USBA_BIT(SHORT_PACKET));
+
+		usba_dma_writel(ep, ADDRESS, req->req.dma);
+		usba_dma_writel(ep, CONTROL, req->ctrl);
+	} else {
+		next_fifo_transaction(ep, req);
+		if (req->last_transaction) {
+			usba_ep_writel(ep, CTL_DIS, USBA_BIT(TX_PK_RDY));
+			usba_ep_writel(ep, CTL_ENB, USBA_BIT(TX_COMPLETE));
+		} else {
+			usba_ep_writel(ep, CTL_DIS, USBA_BIT(TX_COMPLETE));
+			usba_ep_writel(ep, CTL_ENB, USBA_BIT(TX_PK_RDY));
+		}
+	}
+}
+
+static void submit_next_request(struct usba_ep *ep)
+{
+	struct usba_request *req;
+
+	if (list_empty(&ep->queue)) {
+		usba_ep_writel(ep, CTL_DIS, (USBA_BIT(TX_PK_RDY)
+					      | USBA_BIT(RX_BK_RDY)));
+		return;
+	}
+
+	req = list_entry(ep->queue.next, struct usba_request, queue);
+	if (!req->submitted)
+		submit_request(ep, req);
+}
+
+static void send_status(struct usba_udc *udc, struct usba_ep *ep)
+{
+	ep->state = STATUS_STAGE_IN;
+	usba_ep_writel(ep, SET_STA, USBA_BIT(TX_PK_RDY));
+	usba_ep_writel(ep, CTL_ENB, USBA_BIT(TX_COMPLETE));
+}
+
+static void receive_data(struct usba_ep *ep)
+{
+	struct usba_udc *udc = ep->udc;
+	struct usba_request *req;
+	unsigned long status;
+	unsigned int bytecount, nr_busy;
+	int is_complete = 0;
+
+	status = usba_ep_readl(ep, STA);
+	nr_busy = USBA_BFEXT(BUSY_BANKS, status);
+
+	DBG(DBG_QUEUE, "receive data: nr_busy=%u\n", nr_busy);
+
+	while (nr_busy > 0) {
+		if (list_empty(&ep->queue)) {
+			usba_ep_writel(ep, CTL_DIS, USBA_BIT(RX_BK_RDY));
+			break;
+		}
+		req = list_entry(ep->queue.next,
+				 struct usba_request, queue);
+
+		bytecount = USBA_BFEXT(BYTE_COUNT, status);
+
+		if (status & (1 << 31))
+			is_complete = 1;
+		if (req->req.actual + bytecount >= req->req.length) {
+			is_complete = 1;
+			bytecount = req->req.length - req->req.actual;
+		}
+
+		copy_from_fifo(req->req.buf + req->req.actual,
+			       ep->fifo, bytecount);
+		req->req.actual += bytecount;
+
+		usba_ep_writel(ep, CLR_STA, USBA_BIT(RX_BK_RDY));
+
+		if (is_complete) {
+			DBG(DBG_QUEUE, "%s: request done\n", ep_name(ep));
+			req->req.status = 0;
+			list_del_init(&req->queue);
+			usba_ep_writel(ep, CTL_DIS, USBA_BIT(RX_BK_RDY));
+			req->req.complete(&ep->ep, &req->req);
+		}
+
+		status = usba_ep_readl(ep, STA);
+		nr_busy = USBA_BFEXT(BUSY_BANKS, status);
+
+		if (is_complete && ep_is_control(ep)) {
+			send_status(udc, ep);
+			break;
+		}
+	}
+}
+
+static void request_complete(struct usba_ep *ep,
+			     struct usba_request *req,
+			     int status)
+{
+	struct usba_udc *udc = ep->udc;
+
+	WARN_ON(!list_empty(&req->queue));
+
+	if (req->req.status == -EINPROGRESS)
+		req->req.status = status;
+
+	if (req->mapped) {
+		dma_unmap_single(
+			&udc->pdev->dev, req->req.dma, req->req.length,
+			ep_is_in(ep) ? DMA_TO_DEVICE : DMA_FROM_DEVICE);
+		req->req.dma = DMA_ADDR_INVALID;
+		req->mapped = 0;
+	}
+
+	DBG(DBG_GADGET | DBG_REQ,
+	    "%s: req %p complete: status %d, actual %u\n",
+	    ep_name(ep), req, req->req.status, req->req.actual);
+	req->req.complete(&ep->ep, &req->req);
+}
+
+static void request_complete_list(struct usba_ep *ep,
+				  struct list_head *list,
+				  int status)
+{
+	struct usba_request *req, *tmp_req;
+
+	list_for_each_entry_safe(req, tmp_req, list, queue) {
+		list_del_init(&req->queue);
+		request_complete(ep, req, status);
+	}
+}
+
+static int usba_ep_enable(struct usb_ep *_ep,
+			   const struct usb_endpoint_descriptor *desc)
+{
+	struct usba_ep *ep = to_usba_ep(_ep);
+	struct usba_udc *udc = ep->udc;
+	unsigned long flags, ept_cfg, maxpacket;
+
+	DBG(DBG_GADGET, "%s: ep_enable: desc=%p\n", ep_name(ep), desc);
+
+	maxpacket = le16_to_cpu(desc->wMaxPacketSize);
+
+	if (ep->index == 0
+	    || desc->bDescriptorType != USB_DT_ENDPOINT
+	    || ((desc->bEndpointAddress & USB_ENDPOINT_NUMBER_MASK)
+		!= ep->index)
+	    || maxpacket == 0
+	    || maxpacket > ep->fifo_size) {
+		DBG(DBG_ERR, "ep_enable: Invalid argument");
+		return -EINVAL;
+	}
+
+	ep->is_isoc = 0;
+	ep->is_in = 0;
+
+	if ((desc->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK)
+	    == USB_ENDPOINT_XFER_ISOC) {
+		    if (!ep->can_isoc) {
+			    DBG(DBG_ERR, "ep_enable: %s is not isoc capable\n",
+				ep_name(ep));
+			    return -EINVAL;
+		    }
+		    ep->is_isoc = 1;
+	}
+
+	if (maxpacket <= 8)
+		ept_cfg = USBA_BF(EPT_SIZE, USBA_EPT_SIZE_8);
+	else
+		/* LSB is bit 1, not 0 */
+		ept_cfg = USBA_BF(EPT_SIZE, fls(maxpacket - 1) - 3);
+	DBG(DBG_HW, "%s: EPT_SIZE = %lu (maxpacket = %lu)\n",
+	    ep_name(ep), ept_cfg, maxpacket);
+
+	if ((desc->bEndpointAddress & USB_ENDPOINT_DIR_MASK) == USB_DIR_IN) {
+		ep->is_in = 1;
+		ept_cfg |= USBA_BIT(EPT_DIR);
+	}
+
+	switch (desc->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) {
+	case USB_ENDPOINT_XFER_CONTROL:
+		ept_cfg |= USBA_BF(EPT_TYPE, USBA_EPT_TYPE_CONTROL);
+		break;
+	case USB_ENDPOINT_XFER_ISOC:
+		ept_cfg |= USBA_BF(EPT_TYPE, USBA_EPT_TYPE_ISO);
+		break;
+	case USB_ENDPOINT_XFER_BULK:
+		ept_cfg |= USBA_BF(EPT_TYPE, USBA_EPT_TYPE_BULK);
+		break;
+	case USB_ENDPOINT_XFER_INT:
+		ept_cfg |= USBA_BF(EPT_TYPE, USBA_EPT_TYPE_INT);
+		break;
+	}
+	ept_cfg |= USBA_BF(BK_NUMBER, ep->nr_banks);
+
+	spin_lock_irqsave(&ep->udc->lock, flags);
+
+	if (ep->desc) {
+		spin_unlock_irqrestore(&ep->udc->lock, flags);
+		DBG(DBG_ERR, "ep%d already enabled\n", ep->index);
+		return -EBUSY;
+	}
+
+	ep->desc = desc;
+	ep->ep.maxpacket = maxpacket;
+
+	usba_ep_writel(ep, CFG, ept_cfg);
+	usba_ep_writel(ep, CTL_ENB, USBA_BIT(EPT_ENABLE));
+
+	if (ep_can_dma(ep)) {
+		u32 ctrl;
+
+		usba_writel(udc, INT_ENB,
+			     (usba_readl(udc, INT_ENB)
+			      | USBA_BF(EPT_INT, 1 << ep->index)
+			      | USBA_BF(DMA_INT, 1 << ep->index)));
+		ctrl = USBA_BIT(AUTO_VALID) | USBA_BIT(INTDIS_DMA);
+		usba_ep_writel(ep, CTL_ENB, ctrl);
+	} else {
+		usba_writel(udc, INT_ENB,
+			     (usba_readl(udc, INT_ENB)
+			      | USBA_BF(EPT_INT, 1 << ep->index)));
+	}
+
+	spin_unlock_irqrestore(&udc->lock, flags);
+
+	DBG(DBG_HW, "EPT_CFG%d after init: %#08lx\n", ep->index,
+	    (unsigned long)usba_ep_readl(ep, CFG));
+	DBG(DBG_HW, "INT_ENB after init: %#08lx\n",
+	    (unsigned long)usba_readl(udc, INT_ENB));
+
+	return 0;
+}
+
+static int usba_ep_disable(struct usb_ep *_ep)
+{
+	struct usba_ep *ep = to_usba_ep(_ep);
+	struct usba_udc *udc = ep->udc;
+	LIST_HEAD(req_list);
+	unsigned long flags;
+
+	DBG(DBG_GADGET, "ep_disable: %s\n", ep_name(ep));
+
+	spin_lock_irqsave(&udc->lock, flags);
+
+	if (!ep->desc) {
+		spin_unlock_irqrestore(&udc->lock, flags);
+		DBG(DBG_ERR, "ep_disable: %s not enabled\n",
+		    ep_name(ep));
+		return -EINVAL;
+	}
+	ep->desc = NULL;
+
+	list_splice_init(&ep->queue, &req_list);
+	if (ep_can_dma(ep)) {
+		usba_dma_writel(ep, CONTROL, 0);
+		usba_dma_writel(ep, ADDRESS, 0);
+		usba_dma_readl(ep, STATUS);
+	}
+	usba_ep_writel(ep, CTL_DIS, USBA_BIT(EPT_ENABLE));
+	usba_writel(udc, INT_ENB, (usba_readl(udc, INT_ENB)
+				    & ~USBA_BF(EPT_INT, 1 << ep->index)));
+
+	spin_unlock_irqrestore(&udc->lock, flags);
+
+	request_complete_list(ep, &req_list, -ESHUTDOWN);
+
+	return 0;
+}
+
+static struct usb_request *
+usba_ep_alloc_request(struct usb_ep *_ep, unsigned gfp_flags)
+{
+	struct usba_request *req;
+
+	DBG(DBG_GADGET, "ep_alloc_request: %p, 0x%x\n", _ep, gfp_flags);
+
+	req = kzalloc(sizeof(*req), gfp_flags);
+	if (!req)
+		return NULL;
+
+	INIT_LIST_HEAD(&req->queue);
+	req->req.dma = DMA_ADDR_INVALID;
+
+	return &req->req;
+}
+
+static void
+usba_ep_free_request(struct usb_ep *_ep, struct usb_request *_req)
+{
+	struct usba_request *req = to_usba_req(_req);
+
+	DBG(DBG_GADGET, "ep_free_request: %p, %p\n", _ep, _req);
+
+	kfree(req);
+}
+
+static void *usba_ep_alloc_buffer(struct usb_ep *_ep, unsigned bytes,
+				   dma_addr_t *dma, unsigned gfp_flags)
+{
+	void *buf;
+
+	if (bytes < L1_CACHE_BYTES)
+		bytes = L1_CACHE_BYTES;
+
+	buf = kmalloc(bytes, gfp_flags);
+
+	/*
+	 * Seems like we have to map the buffer any chance we get.
+	 * ether.c wants us to initialize the dma member of a
+	 * different request than the one receiving the buffer, so one
+	 * never knows...
+	 *
+	 * Ah, screw it.  The ether driver is probably wrong, and this
+	 * is not the right place to do the mapping.  The driver
+	 * shouldn't mess with our DMA mappings anyway.
+	 */
+	*dma = DMA_ADDR_INVALID;
+
+	return buf;
+}
+
+static void usba_ep_free_buffer(struct usb_ep *_ep, void *buf,
+				 dma_addr_t dma, unsigned bytes)
+{
+	DBG(DBG_GADGET, "ep_free_buffer: %s, buf %p (size %u)\n",
+	    _ep->name, buf, bytes);
+	kfree(buf);
+}
+
+static int queue_dma(struct usba_udc *udc, struct usba_ep *ep,
+		     struct usba_request *req, gfp_t gfp_flags)
+{
+	unsigned long flags;
+	int ret;
+
+	DBG(DBG_DMA, "%s: req l/%u d/%08x %c%c%c\n",
+	    ep_name(ep), req->req.length, req->req.dma,
+	    req->req.zero ? 'Z' : 'z',
+	    req->req.short_not_ok ? 'S' : 's',
+	    req->req.no_interrupt ? 'I' : 'i');
+
+	if (req->req.length > 0x10000) {
+		/* Lengths from 0 to 65536 (inclusive) are supported */
+		DBG(DBG_ERR, "invalid request length %u\n", req->req.length);
+		return -EINVAL;
+	}
+
+	req->using_dma = 1;
+
+	if (req->req.dma == DMA_ADDR_INVALID) {
+		req->req.dma = dma_map_single(
+			&udc->pdev->dev, req->req.buf, req->req.length,
+			ep_is_in(ep) ? DMA_TO_DEVICE : DMA_FROM_DEVICE);
+		req->mapped = 1;
+	} else {
+		dma_sync_single_for_device(
+			&udc->pdev->dev, req->req.dma, req->req.length,
+			ep_is_in(ep) ? DMA_TO_DEVICE : DMA_FROM_DEVICE);
+		req->mapped = 0;
+	}
+
+	req->ctrl = (USBA_BF(DMA_BUF_LEN, req->req.length)
+		     | USBA_BIT(DMA_CH_EN) | USBA_BIT(DMA_END_BUF_IE)
+		     | USBA_BIT(DMA_END_TR_EN) | USBA_BIT(DMA_END_TR_IE));
+
+	if (ep_is_in(ep))
+		req->ctrl |= USBA_BIT(DMA_END_BUF_EN);
+
+	/*
+	 * Add this request to the queue and submit for DMA if
+	 * possible. Check if we're still alive first -- we may have
+	 * received a reset since last time we checked.
+	 */
+	ret = -ESHUTDOWN;
+	spin_lock_irqsave(&udc->lock, flags);
+	if (ep->desc) {
+		if (list_empty(&ep->queue))
+			submit_request(ep, req);
+
+		list_add_tail(&req->queue, &ep->queue);
+		ret = 0;
+	}
+	spin_unlock_irqrestore(&udc->lock, flags);
+
+	return ret;
+}
+
+static int usba_ep_queue(struct usb_ep *_ep, struct usb_request *_req,
+			  gfp_t gfp_flags)
+{
+	struct usba_request *req = to_usba_req(_req);
+	struct usba_ep *ep = to_usba_ep(_ep);
+	struct usba_udc *udc = ep->udc;
+	unsigned long flags;
+	int ret;
+
+	DBG(DBG_GADGET | DBG_QUEUE | DBG_REQ,
+	    "%s: queue req %p, len %u\n", ep_name(ep), req, _req->length);
+
+	if (!udc->driver || udc->gadget.speed == USB_SPEED_UNKNOWN
+	    || !ep->desc)
+		return -ESHUTDOWN;
+
+	req->submitted = 0;
+	req->using_dma = 0;
+	req->last_transaction = 0;
+
+	_req->status = -EINPROGRESS;
+	_req->actual = 0;
+
+	if (ep_can_dma(ep))
+		return queue_dma(udc, ep, req, gfp_flags);
+
+	/* May have received a reset since last time we checked */
+	ret = -ESHUTDOWN;
+	spin_lock_irqsave(&udc->lock, flags);
+	if (ep->desc) {
+		list_add_tail(&req->queue, &ep->queue);
+
+		if (ep_is_in(ep)
+		    || (ep_is_control(ep)
+			&& (ep->state == DATA_STAGE_IN
+			    || ep->state == STATUS_STAGE_IN)))
+			usba_ep_writel(ep, CTL_ENB, USBA_BIT(TX_PK_RDY));
+		else
+			usba_ep_writel(ep, CTL_ENB, USBA_BIT(RX_BK_RDY));
+		ret = 0;
+	}
+	spin_unlock_irqrestore(&udc->lock, flags);
+
+	return ret;
+}
+
+static void usba_update_req(struct usba_ep *ep, struct usba_request *req,
+			     u32 status)
+{
+	req->req.actual = req->req.length - USBA_BFEXT(DMA_BUF_LEN, status);
+}
+
+static int stop_dma(struct usba_ep *ep, u32 *pstatus)
+{
+	unsigned int timeout;
+	u32 status;
+
+	/*
+	 * Stop the DMA controller. When writing both CH_EN
+	 * and LINK to 0, the other bits are not affected.
+	 */
+	usba_dma_writel(ep, CONTROL, 0);
+
+	/* Wait for the FIFO to empty */
+	for (timeout = 40; timeout; --timeout) {
+		status = usba_dma_readl(ep, STATUS);
+		if (!(status & USBA_BIT(DMA_CH_EN)))
+			break;
+		udelay(1);
+	}
+
+	if (pstatus)
+		*pstatus = status;
+
+	if (timeout == 0) {
+		dev_err(&ep->udc->pdev->dev,
+			"%s: timed out waiting for DMA FIFO to empty\n",
+			ep_name(ep));
+		return -ETIMEDOUT;
+	}
+
+	return 0;
+}
+
+static int usba_ep_dequeue(struct usb_ep *_ep, struct usb_request *_req)
+{
+	struct usba_ep *ep = to_usba_ep(_ep);
+	struct usba_udc *udc = ep->udc;
+	struct usba_request *req = to_usba_req(_req);
+	unsigned long flags;
+	u32 status;
+
+	DBG(DBG_GADGET | DBG_QUEUE, "ep_dequeue: %s, req %p\n",
+	    ep_name(ep), req);
+
+	spin_lock_irqsave(&udc->lock, flags);
+
+	if (req->using_dma) {
+		/*
+		 * If this request is currently being transferred,
+		 * stop the DMA controller and reset the FIFO.
+		 */
+		if (ep->queue.next == &req->queue) {
+			status = usba_dma_readl(ep, STATUS);
+			if (status & USBA_BIT(DMA_CH_EN))
+				stop_dma(ep, &status);
+
+#ifdef CONFIG_DEBUG_FS
+			ep->last_dma_status = status;
+#endif
+
+			usba_writel(udc, EPT_RST,
+				     1 << ep_index(ep));
+
+			usba_update_req(ep, req, status);
+		}
+	}
+
+	/*
+	 * Errors should stop the queue from advancing until the
+	 * completion function returns.
+	 */
+	list_del_init(&req->queue);
+	spin_unlock_irqrestore(&udc->lock, flags);
+
+	request_complete(ep, req, -ECONNRESET);
+
+	/* Process the next request if any */
+	spin_lock_irqsave(&udc->lock, flags);
+	submit_next_request(ep);
+	spin_unlock_irqrestore(&udc->lock, flags);
+
+	return 0;
+}
+
+static int usba_ep_set_halt(struct usb_ep *_ep, int value)
+{
+	struct usba_ep *ep = to_usba_ep(_ep);
+	struct usba_udc *udc = ep->udc;
+	unsigned long flags;
+	int ret = 0;
+
+	DBG(DBG_GADGET, "endpoint %s: %s HALT\n", ep_name(ep),
+	    value ? "set" : "clear");
+
+	if (!ep->desc) {
+		DBG(DBG_ERR, "Attempted to halt uninitialized ep %s\n",
+		    ep_name(ep));
+		return -ENODEV;
+	}
+	if (ep_is_isochronous(ep)) {
+		DBG(DBG_ERR, "Attempted to halt isochronous ep %s\n",
+		    ep_name(ep));
+		return -ENOTTY;
+	}
+
+	spin_lock_irqsave(&udc->lock, flags);
+
+	/*
+	 * We can't halt IN endpoints while there are still data to be
+	 * transferred
+	 */
+	if (!list_empty(&ep->queue)
+	    || ((value && ep_is_in(ep)
+		 && (usba_ep_readl(ep, STA)
+		     & USBA_BF(BUSY_BANKS, -1L))))) {
+		ret = -EAGAIN;
+	} else {
+		if (value)
+			usba_ep_writel(ep, SET_STA, USBA_BIT(FORCE_STALL));
+		else
+			usba_ep_writel(ep, CLR_STA, (USBA_BIT(FORCE_STALL)
+						     | USBA_BIT(TOGGLE_SEQ)));
+		usba_ep_readl(ep, STA);
+	}
+
+	spin_unlock_irqrestore(&udc->lock, flags);
+
+	return ret;
+}
+
+static int usba_ep_fifo_status(struct usb_ep *_ep)
+{
+	struct usba_ep *ep = to_usba_ep(_ep);
+
+	return USBA_BFEXT(BYTE_COUNT, usba_ep_readl(ep, STA));
+}
+
+static void usba_ep_fifo_flush(struct usb_ep *_ep)
+{
+	struct usba_ep *ep = to_usba_ep(_ep);
+	struct usba_udc *udc = ep->udc;
+
+	usba_writel(udc, EPT_RST, 1 << ep->index);
+}
+
+struct usb_ep_ops usba_ep_ops = {
+	.enable		= usba_ep_enable,
+	.disable	= usba_ep_disable,
+	.alloc_request	= usba_ep_alloc_request,
+	.free_request	= usba_ep_free_request,
+	.alloc_buffer	= usba_ep_alloc_buffer,
+	.free_buffer	= usba_ep_free_buffer,
+	.queue		= usba_ep_queue,
+	.dequeue	= usba_ep_dequeue,
+	.set_halt	= usba_ep_set_halt,
+	.fifo_status	= usba_ep_fifo_status,
+	.fifo_flush	= usba_ep_fifo_flush,
+};
+
+static int usba_udc_get_frame(struct usb_gadget *gadget)
+{
+	struct usba_udc *udc = to_usba_udc(gadget);
+
+	return USBA_BFEXT(FRAME_NUMBER, usba_readl(udc, FNUM));
+}
+
+struct usb_gadget_ops usba_udc_ops = {
+	.get_frame	= usba_udc_get_frame,
+};
+
+#define EP(nam, type, idx, dma, isoc)				\
+{								\
+	.ep	= {						\
+		.ops		= &usba_ep_ops,			\
+		.name		= nam,				\
+		.maxpacket	= type##_FIFO_SIZE,		\
+	},							\
+	.udc		= &the_udc,				\
+	.queue		= LIST_HEAD_INIT(usba_ep[idx].queue),	\
+	.fifo_size	= type##_FIFO_SIZE,			\
+	.nr_banks	= type##_NR_BANKS,			\
+	.index		= idx,					\
+	.can_dma	= dma,					\
+	.can_isoc	= isoc,					\
+}
+
+static struct usba_ep usba_ep[] = {
+	EP("ep0", EP0, 0, 0, 0),
+	EP("ep1in-bulk", BULK, 1, 1, 0),
+	EP("ep2out-bulk", BULK, 2, 1, 0),
+	EP("ep3in-iso", ISO, 3, 1, 1),
+	EP("ep4out-iso", ISO, 4, 1, 1),
+	EP("ep5in-int", INT, 5, 1, 0),
+	EP("ep6out-int", INT, 6, 1, 0),
+};
+#undef EP
+
+static struct usb_endpoint_descriptor usba_ep0_desc = {
+	.bLength = USB_DT_ENDPOINT_SIZE,
+	.bDescriptorType = USB_DT_ENDPOINT,
+	.bEndpointAddress = 0,
+	.bmAttributes = USB_ENDPOINT_XFER_CONTROL,
+	.wMaxPacketSize = __constant_cpu_to_le16(64),
+	/* FIXME: I have no idea what to put here */
+	.bInterval = 1,
+};
+
+static void nop_release(struct device *dev)
+{
+
+}
+
+static struct usba_udc the_udc = {
+	.gadget	= {
+		.ops		= &usba_udc_ops,
+		.ep0		= &usba_ep[0].ep,
+		.ep_list	= LIST_HEAD_INIT(the_udc.gadget.ep_list),
+		.is_dualspeed	= 1,
+		.name		= "atmel_usba_udc",
+		.dev	= {
+			.bus_id		= "gadget",
+			.release	= nop_release,
+		},
+	},
+
+	.lock	= SPIN_LOCK_UNLOCKED,
+};
+
+/*
+ * Called with interrupts disabled and udc->lock held.
+ */
+static void reset_all_endpoints(struct usba_udc *udc)
+{
+	struct usba_ep *ep;
+	struct usba_request *req, *tmp_req;
+
+	usba_writel(udc, EPT_RST, ~0UL);
+
+	ep = to_usba_ep(udc->gadget.ep0);
+	list_for_each_entry_safe(req, tmp_req, &ep->queue, queue) {
+		list_del_init(&req->queue);
+		request_complete(ep, req, -ECONNRESET);
+	}
+
+	list_for_each_entry(ep, &udc->gadget.ep_list, ep.ep_list) {
+		if (ep->desc)
+			usba_ep_disable(&ep->ep);
+	}
+}
+
+static struct usba_ep *get_ep_by_addr(struct usba_udc *udc, u16 wIndex)
+{
+	struct usba_ep *ep;
+
+	if ((wIndex & USB_ENDPOINT_NUMBER_MASK) == 0)
+		return to_usba_ep(udc->gadget.ep0);
+
+	list_for_each_entry (ep, &udc->gadget.ep_list, ep.ep_list) {
+		u8 bEndpointAddress;
+
+		if (!ep->desc)
+			continue;
+		bEndpointAddress = ep->desc->bEndpointAddress;
+		if ((wIndex ^ bEndpointAddress) & USB_DIR_IN)
+			continue;
+		if ((wIndex & USB_ENDPOINT_NUMBER_MASK)
+		    == (bEndpointAddress & USB_ENDPOINT_NUMBER_MASK))
+			return ep;
+	}
+
+	return NULL;
+}
+
+/* Called with interrupts disabled and udc->lock held */
+static inline void set_protocol_stall(struct usba_udc *udc,
+				      struct usba_ep *ep)
+{
+	usba_ep_writel(ep, SET_STA, USBA_BIT(FORCE_STALL));
+	ep->state = WAIT_FOR_SETUP;
+}
+
+static inline int is_stalled(struct usba_udc *udc, struct usba_ep *ep)
+{
+	if (usba_ep_readl(ep, STA) & USBA_BIT(FORCE_STALL))
+		return 1;
+	return 0;
+}
+
+static inline void set_address(struct usba_udc *udc, unsigned int addr)
+{
+	u32 regval;
+
+	DBG(DBG_BUS, "setting address %u...\n", addr);
+	regval = usba_readl(udc, CTRL);
+	regval = USBA_BFINS(DEV_ADDR, addr, regval);
+	usba_writel(udc, CTRL, regval);
+}
+
+static int do_test_mode(struct usba_udc *udc)
+{
+	static const char test_packet_buffer[] = {
+		/* JKJKJKJK * 9 */
+		0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+		/* JJKKJJKK * 8 */
+		0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA,
+		/* JJKKJJKK * 8 */
+		0xEE, 0xEE, 0xEE, 0xEE, 0xEE, 0xEE, 0xEE, 0xEE,
+		/* JJJJJJJKKKKKKK * 8 */
+		0xFE, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
+		0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
+		/* JJJJJJJK * 8 */
+		0x7F, 0xBF, 0xDF, 0xEF, 0xF7, 0xFB, 0xFD,
+		/* {JKKKKKKK * 10}, JK */
+		0xFC, 0x7E, 0xBF, 0xDF, 0xEF, 0xF7, 0xFB, 0xFD, 0x7E
+	};
+	struct device *dev = &udc->pdev->dev;
+	struct usba_ep *ep;
+	int test_mode;
+
+	test_mode = udc->test_mode;
+
+	/* Start from a clean slate */
+	reset_all_endpoints(udc);
+
+	switch (test_mode) {
+	case 0x0100:
+		/* Test_J */
+		usba_writel(udc, TST, USBA_BIT(TST_J_MODE));
+		dev_info(dev, "Entering Test_J mode...\n");
+		break;
+	case 0x0200:
+		/* Test_K */
+		usba_writel(udc, TST, USBA_BIT(TST_K_MODE));
+		dev_info(dev, "Entering Test_K mode...\n");
+		break;
+	case 0x0300:
+		/*
+		 * Test_SE0_NAK: Force high-speed mode and set up ep0
+		 * for Bulk IN transfers
+		 */
+		ep = &usba_ep[0];
+		usba_writel(udc, TST,
+			     USBA_BF(SPEED_CFG, USBA_SPEED_CFG_FORCE_HIGH));
+		usba_ep_writel(ep, CFG,
+				USBA_BF(EPT_SIZE, USBA_EPT_SIZE_64)
+				| USBA_BIT(EPT_DIR)
+				| USBA_BF(EPT_TYPE, USBA_EPT_TYPE_BULK)
+				| USBA_BF(BK_NUMBER, 1));
+		if (!(usba_ep_readl(ep, CFG) & USBA_BIT(EPT_MAPPED))) {
+			set_protocol_stall(udc, ep);
+			dev_err(dev, "Test_SE0_NAK: ep0 not mapped\n");
+		} else {
+			usba_ep_writel(ep, CTL_ENB, USBA_BIT(EPT_ENABLE));
+			dev_info(dev, "Entering Test_SE0_NAK mode...\n");
+		}
+		break;
+	case 0x0400:
+		/* Test_Packet */
+		ep = &usba_ep[0];
+		usba_ep_writel(ep, CFG,
+				USBA_BF(EPT_SIZE, USBA_EPT_SIZE_64)
+				| USBA_BIT(EPT_DIR)
+				| USBA_BF(EPT_TYPE, USBA_EPT_TYPE_BULK)
+				| USBA_BF(BK_NUMBER, 1));
+		if (!(usba_ep_readl(ep, CFG) & USBA_BIT(EPT_MAPPED))) {
+			set_protocol_stall(udc, ep);
+			dev_err(dev, "Test_Packet: ep0 not mapped\n");
+		} else {
+			usba_ep_writel(ep, CTL_ENB, USBA_BIT(EPT_ENABLE));
+			usba_writel(udc, TST, USBA_BIT(TST_PKT_MODE));
+			copy_to_fifo(ep->fifo, test_packet_buffer,
+				     sizeof(test_packet_buffer));
+			usba_ep_writel(ep, SET_STA, USBA_BIT(TX_PK_RDY));
+			dev_info(dev, "Entering Test_Packet mode...\n");
+		}
+		break;
+	default:
+		dev_err(dev, "Invalid test mode: 0x%04x\n", test_mode);
+		return -EINVAL;
+	}
+
+	return 0;
+}
+
+/* Avoid overly long expressions */
+static inline bool feature_is_dev_remote_wakeup(struct usb_ctrlrequest *crq)
+{
+	if (crq->wValue == __constant_cpu_to_le16(USB_DEVICE_REMOTE_WAKEUP))
+		return true;
+	return false;
+}
+
+static inline bool feature_is_dev_test_mode(struct usb_ctrlrequest *crq)
+{
+	if (crq->wValue == __constant_cpu_to_le16(USB_DEVICE_TEST_MODE))
+		return true;
+	return false;
+}
+
+static inline bool feature_is_ep_halt(struct usb_ctrlrequest *crq)
+{
+	if (crq->wValue == __constant_cpu_to_le16(USB_ENDPOINT_HALT))
+		return true;
+	return false;
+}
+
+static int handle_ep0_setup(struct usba_udc *udc, struct usba_ep *ep,
+			    struct usb_ctrlrequest *crq)
+{
+	switch (crq->bRequest) {
+	case USB_REQ_GET_STATUS: {
+		u16 status;
+
+		if (crq->bRequestType == (USB_DIR_IN | USB_RECIP_DEVICE)) {
+			/* Self-powered, no remote wakeup */
+			status = __constant_cpu_to_le16(1 << 0);
+		} else if (crq->bRequestType
+			   == (USB_DIR_IN | USB_RECIP_INTERFACE)) {
+			status = __constant_cpu_to_le16(0);
+		} else if (crq->bRequestType
+			   == (USB_DIR_IN | USB_RECIP_ENDPOINT)) {
+			struct usba_ep *target;
+
+			target = get_ep_by_addr(udc, le16_to_cpu(crq->wIndex));
+			if (!target)
+				goto stall;
+
+			status = 0;
+			if (is_stalled(udc, target))
+				status |= __constant_cpu_to_le16(1);
+		} else {
+			goto delegate;
+		}
+
+		/* Write directly to the FIFO. No queueing is done. */
+		if (crq->wLength != __constant_cpu_to_le16(sizeof(status)))
+			goto stall;
+		ep->state = DATA_STAGE_IN;
+		__raw_writew(status, ep->fifo);
+		usba_ep_writel(ep, SET_STA, USBA_BIT(TX_PK_RDY));
+		break;
+	}
+
+	case USB_REQ_CLEAR_FEATURE: {
+		if (crq->bRequestType == USB_RECIP_DEVICE) {
+			if (feature_is_dev_remote_wakeup(crq)) {
+				/* TODO: Handle REMOTE_WAKEUP */
+			} else {
+				/* Can't CLEAR_FEATURE TEST_MODE */
+				goto stall;
+			}
+		} else if (crq->bRequestType == USB_RECIP_ENDPOINT) {
+			struct usba_ep *target;
+
+			if (!feature_is_ep_halt(crq)
+			    || crq->wLength != __constant_cpu_to_le16(0))
+				goto stall;
+			target = get_ep_by_addr(udc, le16_to_cpu(crq->wIndex));
+			if (!target)
+				goto stall;
+
+			usba_ep_writel(target, CLR_STA,
+				       (USBA_BIT(FORCE_STALL)
+					| USBA_BIT(TOGGLE_SEQ)));
+		} else {
+			goto delegate;
+		}
+
+		send_status(udc, ep);
+		break;
+	}
+
+	case USB_REQ_SET_FEATURE: {
+		if (crq->bRequestType == USB_RECIP_DEVICE) {
+			if (feature_is_dev_test_mode(crq)) {
+				send_status(udc, ep);
+				ep->state = STATUS_STAGE_TEST;
+				udc->test_mode = le16_to_cpu(crq->wIndex);
+				return 0;
+			} else if (feature_is_dev_remote_wakeup(crq)) {
+				/* TODO: Handle REMOTE_WAKEUP */
+			} else {
+				goto stall;
+			}
+		} else if (crq->bRequestType == USB_RECIP_ENDPOINT) {
+			struct usba_ep *target;
+
+			if (!feature_is_ep_halt(crq)
+			    || crq->wLength != __constant_cpu_to_le16(0))
+				goto stall;
+
+			target = get_ep_by_addr(udc, le16_to_cpu(crq->wIndex));
+			if (!target)
+				goto stall;
+
+			usba_ep_writel(target, SET_STA, USBA_BIT(FORCE_STALL));
+		} else
+			goto delegate;
+
+		send_status(udc, ep);
+		break;
+	}
+
+	case USB_REQ_SET_ADDRESS:
+		if (crq->bRequestType != (USB_DIR_OUT | USB_RECIP_DEVICE))
+			goto delegate;
+
+		set_address(udc, le16_to_cpu(crq->wValue));
+		send_status(udc, ep);
+		ep->state = STATUS_STAGE_ADDR;
+		break;
+
+	default:
+delegate:
+		return udc->driver->setup(&udc->gadget, crq);
+	}
+
+	return 0;
+
+stall:
+	printk(KERN_ERR
+	       "udc: %s: Invalid setup request: %02x.%02x v%04x i%04x l%d, "
+	       "halting endpoint...\n",
+	       ep_name(ep), crq->bRequestType, crq->bRequest,
+	       le16_to_cpu(crq->wValue), le16_to_cpu(crq->wIndex),
+	       le16_to_cpu(crq->wLength));
+	set_protocol_stall(udc, ep);
+	return -1;
+}
+
+static void usba_control_irq(struct usba_udc *udc, struct usba_ep *ep)
+{
+	struct usba_request *req;
+	u32 epstatus;
+	u32 epctrl;
+
+restart:
+	epstatus = usba_ep_readl(ep, STA);
+	epctrl = usba_ep_readl(ep, CTL);
+
+	DBG(DBG_INT, "%s [%d]: s/%08x c/%08x\n",
+	    ep_name(ep), ep->state, epstatus, epctrl);
+
+	req = NULL;
+	if (!list_empty(&ep->queue))
+		req = list_entry(ep->queue.next,
+				 struct usba_request, queue);
+
+	if ((epctrl & USBA_BIT(TX_PK_RDY))
+	    && !(epstatus & USBA_BIT(TX_PK_RDY))) {
+		if (req->submitted)
+			next_fifo_transaction(ep, req);
+		else
+			submit_request(ep, req);
+
+		if (req->last_transaction) {
+			usba_ep_writel(ep, CTL_DIS, USBA_BIT(TX_PK_RDY));
+			usba_ep_writel(ep, CTL_ENB, USBA_BIT(TX_COMPLETE));
+		}
+		goto restart;
+	}
+	if ((epstatus & epctrl) & USBA_BIT(TX_COMPLETE)) {
+		usba_ep_writel(ep, CLR_STA, USBA_BIT(TX_COMPLETE));
+
+		switch (ep->state) {
+		case DATA_STAGE_IN:
+			usba_ep_writel(ep, CTL_ENB, USBA_BIT(RX_BK_RDY));
+			usba_ep_writel(ep, CTL_DIS, USBA_BIT(TX_COMPLETE));
+			ep->state = STATUS_STAGE_OUT;
+			break;
+		case STATUS_STAGE_ADDR:
+			/* Activate our new address */
+			usba_writel(udc, CTRL, (usba_readl(udc, CTRL)
+						| USBA_BIT(FADDR_EN)));
+			usba_ep_writel(ep, CTL_DIS, USBA_BIT(TX_COMPLETE));
+			ep->state = WAIT_FOR_SETUP;
+			break;
+		case STATUS_STAGE_IN:
+			if (req) {
+				list_del_init(&req->queue);
+				request_complete(ep, req, 0);
+				submit_next_request(ep);
+			}
+			usba_ep_writel(ep, CTL_DIS, USBA_BIT(TX_COMPLETE));
+			ep->state = WAIT_FOR_SETUP;
+			break;
+		case STATUS_STAGE_TEST:
+			usba_ep_writel(ep, CTL_DIS, USBA_BIT(TX_COMPLETE));
+			ep->state = WAIT_FOR_SETUP;
+			if (do_test_mode(udc))
+				set_protocol_stall(udc, ep);
+			break;
+		default:
+			printk(KERN_ERR
+			       "udc: %s: TXCOMP: Invalid endpoint state %d, "
+			       "halting endpoint...\n",
+			       ep_name(ep), ep->state);
+			set_protocol_stall(udc, ep);
+			break;
+		}
+
+		goto restart;
+	}
+	if ((epstatus & epctrl) & USBA_BIT(RX_BK_RDY)) {
+		switch (ep->state) {
+		case STATUS_STAGE_OUT:
+			usba_ep_writel(ep, CLR_STA, USBA_BIT(RX_BK_RDY));
+			usba_ep_writel(ep, CTL_DIS, USBA_BIT(RX_BK_RDY));
+
+			if (req) {
+				list_del_init(&req->queue);
+				request_complete(ep, req, 0);
+			}
+			ep->state = WAIT_FOR_SETUP;
+			break;
+
+		case DATA_STAGE_OUT:
+			receive_data(ep);
+			break;
+
+		default:
+			usba_ep_writel(ep, CLR_STA, USBA_BIT(RX_BK_RDY));
+			usba_ep_writel(ep, CTL_DIS, USBA_BIT(RX_BK_RDY));
+			printk(KERN_ERR
+			       "udc: %s: RXRDY: Invalid endpoint state %d, "
+			       "halting endpoint...\n",
+			       ep_name(ep), ep->state);
+			set_protocol_stall(udc, ep);
+			break;
+		}
+
+		goto restart;
+	}
+	if (epstatus & USBA_BIT(RX_SETUP)) {
+		union {
+			struct usb_ctrlrequest crq;
+			unsigned long data[2];
+		} crq;
+		unsigned int pkt_len;
+		int ret;
+
+		if (ep->state != WAIT_FOR_SETUP) {
+			/*
+			 * Didn't expect a SETUP packet at this
+			 * point. Clean up any pending requests (which
+			 * may be successful).
+			 */
+			int status = -EPROTO;
+
+			/*
+			 * RXRDY and TXCOMP are dropped when SETUP
+			 * packets arrive.  Just pretend we received
+			 * the status packet.
+			 */
+			if (ep->state == STATUS_STAGE_OUT
+			    || ep->state == STATUS_STAGE_IN) {
+				usba_ep_writel(ep, CTL_DIS,
+					       USBA_BIT(RX_BK_RDY));
+				status = 0;
+			}
+
+			if (req) {
+				list_del_init(&req->queue);
+				request_complete(ep, req, status);
+			}
+		}
+
+		pkt_len = USBA_BFEXT(BYTE_COUNT, usba_ep_readl(ep, STA));
+		DBG(DBG_HW, "Packet length: %u\n", pkt_len);
+		if (pkt_len != sizeof(crq)) {
+			printk(KERN_WARNING
+			       "udc: Invalid packet length %u (expected %lu)\n",
+			       pkt_len, sizeof(crq));
+			set_protocol_stall(udc, ep);
+			return;
+		}
+
+		DBG(DBG_FIFO, "Copying ctrl request from 0x%p:\n", ep->fifo);
+		copy_from_fifo(crq.data, ep->fifo, sizeof(crq));
+
+		/* Free up one bank in the FIFO so that we can
+		 * generate or receive a reply right away. */
+		usba_ep_writel(ep, CLR_STA, USBA_BIT(RX_SETUP));
+
+		/* printk(KERN_DEBUG "setup: %d: %02x.%02x\n",
+		       ep->state, crq.crq.bRequestType,
+		       crq.crq.bRequest); */
+
+		if (crq.crq.bRequestType & USB_DIR_IN) {
+			/*
+			 * The USB 2.0 spec states that "if wLength is
+			 * zero, there is no data transfer phase."
+			 * However, testusb #14 seems to actually
+			 * expect a data phase even if wLength = 0...
+			 */
+			ep->state = DATA_STAGE_IN;
+		} else {
+			if (crq.crq.wLength != __constant_cpu_to_le16(0))
+				ep->state = DATA_STAGE_OUT;
+			else
+				ep->state = STATUS_STAGE_IN;
+		}
+
+		ret = -1;
+		if (ep->index == 0)
+			ret = handle_ep0_setup(udc, ep, &crq.crq);
+		else
+			ret = udc->driver->setup(&udc->gadget, &crq.crq);
+
+		DBG(DBG_BUS, "req %02x.%02x, length %d, state %d, ret %d\n",
+		    crq.crq.bRequestType, crq.crq.bRequest,
+		    le16_to_cpu(crq.crq.wLength), ep->state, ret);
+
+		if (ret < 0) {
+			/* Let the host know that we failed */
+			set_protocol_stall(udc, ep);
+		}
+	}
+}
+
+static void usba_ep_irq(struct usba_udc *udc, struct usba_ep *ep)
+{
+	struct usba_request *req;
+	u32 epstatus;
+	u32 epctrl;
+
+	epstatus = usba_ep_readl(ep, STA);
+	epctrl = usba_ep_readl(ep, CTL);
+
+	DBG(DBG_INT, "%s: interrupt, status: 0x%08x\n",
+	    ep_name(ep), epstatus);
+
+	while ((epctrl & USBA_BIT(TX_PK_RDY))
+	       && !(epstatus & USBA_BIT(TX_PK_RDY))) {
+		DBG(DBG_BUS, "%s: TX PK ready\n", ep_name(ep));
+
+		if (list_empty(&ep->queue)) {
+			dev_warn(&udc->pdev->dev, "ep_irq: queue empty\n");
+			usba_ep_writel(ep, CTL_DIS, USBA_BIT(TX_PK_RDY));
+			return;
+		}
+
+		req = list_entry(ep->queue.next, struct usba_request, queue);
+
+		if (req->using_dma) {
+			/* Send a zero-length packet */
+			usba_ep_writel(ep, SET_STA,
+					USBA_BIT(TX_PK_RDY));
+			usba_ep_writel(ep, CTL_DIS,
+					USBA_BIT(TX_PK_RDY));
+			list_del_init(&req->queue);
+			submit_next_request(ep);
+			request_complete(ep, req, 0);
+		} else {
+			if (req->submitted)
+				next_fifo_transaction(ep, req);
+			else
+				submit_request(ep, req);
+
+			if (req->last_transaction) {
+				list_del_init(&req->queue);
+				submit_next_request(ep);
+				request_complete(ep, req, 0);
+			}
+		}
+
+		epstatus = usba_ep_readl(ep, STA);
+		epctrl = usba_ep_readl(ep, CTL);
+	}
+	if ((epstatus & epctrl) & USBA_BIT(RX_BK_RDY)) {
+		DBG(DBG_BUS, "%s: RX data ready\n", ep_name(ep));
+		receive_data(ep);
+		usba_ep_writel(ep, CLR_STA, USBA_BIT(RX_BK_RDY));
+	}
+}
+
+static void usba_dma_irq(struct usba_udc *udc, struct usba_ep *ep)
+{
+	struct usba_request *req;
+	u32 status, control, pending;
+
+	status = usba_dma_readl(ep, STATUS);
+	control = usba_dma_readl(ep, CONTROL);
+#ifdef CONFIG_DEBUG_FS
+	ep->last_dma_status = status;
+#endif
+	pending = status & control;
+	DBG(DBG_INT | DBG_DMA, "dma irq, s/%#08x, c/%#08x\n",
+	    status, control);
+
+	if (status & USBA_BIT(DMA_CH_EN)) {
+		dev_err(&udc->pdev->dev,
+			"DMA_CH_EN is set after transfer is finished!\n");
+		dev_err(&udc->pdev->dev,
+		       "status=%#08x, pending=%#08x, control=%#08x\n",
+		       status, pending, control);
+
+		/*
+		 * try to pretend nothing happened. We might have to
+		 * do something here...
+		 */
+	}
+
+	if (list_empty(&ep->queue))
+		/* Might happen if a reset comes along at the right moment */
+		return;
+
+	if (pending & (USBA_BIT(DMA_END_TR_ST) | USBA_BIT(DMA_END_BUF_ST))) {
+		req = list_entry(ep->queue.next, struct usba_request, queue);
+		usba_update_req(ep, req, status);
+
+		list_del_init(&req->queue);
+		submit_next_request(ep);
+		request_complete(ep, req, 0);
+	}
+}
+
+static irqreturn_t usba_udc_irq(int irq, void *devid)
+{
+	struct usba_udc *udc = devid;
+	u32 status;
+	u32 dma_status;
+	u32 ep_status;
+
+	spin_lock(&udc->lock);
+
+	status = usba_readl(udc, INT_STA);
+	DBG(DBG_INT, "irq, status=%#08x\n", status);
+
+	if (status & USBA_BIT(DET_SUSPEND)) {
+		usba_writel(udc, INT_CLR, USBA_BIT(DET_SUSPEND));
+		DBG(DBG_BUS, "Suspend detected\n");
+		if (udc->gadget.speed != USB_SPEED_UNKNOWN
+		    && udc->driver && udc->driver->suspend)
+			udc->driver->suspend(&udc->gadget);
+	}
+
+	if (status & USBA_BIT(WAKE_UP)) {
+		usba_writel(udc, INT_CLR, USBA_BIT(WAKE_UP));
+		DBG(DBG_BUS, "Wake Up CPU detected\n");
+	}
+
+	if (status & USBA_BIT(END_OF_RESUME)) {
+		usba_writel(udc, INT_CLR, USBA_BIT(END_OF_RESUME));
+		DBG(DBG_BUS, "Resume detected\n");
+		if (udc->gadget.speed != USB_SPEED_UNKNOWN
+		    && udc->driver && udc->driver->resume)
+			udc->driver->resume(&udc->gadget);
+	}
+
+	dma_status = USBA_BFEXT(DMA_INT, status);
+	if (dma_status) {
+		int i;
+
+		for (i = 1; i < USBA_NR_ENDPOINTS; i++)
+			if (dma_status & (1 << i))
+				usba_dma_irq(udc, &usba_ep[i]);
+	}
+
+	ep_status = USBA_BFEXT(EPT_INT, status);
+	if (ep_status) {
+		int i;
+
+		for (i = 0; i < USBA_NR_ENDPOINTS; i++)
+			if (ep_status & (1 << i)) {
+				if (ep_is_control(&usba_ep[i]))
+					usba_control_irq(udc, &usba_ep[i]);
+				else
+					usba_ep_irq(udc, &usba_ep[i]);
+			}
+	}
+
+	if (status & USBA_BIT(END_OF_RESET)) {
+		struct usba_ep *ep0;
+
+		usba_writel(udc, INT_CLR, USBA_BIT(END_OF_RESET));
+		reset_all_endpoints(udc);
+
+		if (status & USBA_BIT(HIGH_SPEED)) {
+			DBG(DBG_BUS, "High-speed bus reset detected\n");
+			udc->gadget.speed = USB_SPEED_HIGH;
+		} else {
+			DBG(DBG_BUS, "Full-speed bus reset detected\n");
+			udc->gadget.speed = USB_SPEED_FULL;
+		}
+
+		ep0 = &usba_ep[0];
+		ep0->desc = &usba_ep0_desc;
+		ep0->state = WAIT_FOR_SETUP;
+		usba_ep_writel(ep0, CFG,
+			       (USBA_BF(EPT_SIZE, EP0_EPT_SIZE)
+				| USBA_BF(EPT_TYPE, USBA_EPT_TYPE_CONTROL)
+				| USBA_BF(BK_NUMBER, USBA_BK_NUMBER_ONE)));
+		usba_ep_writel(ep0, CTL_ENB,
+			       USBA_BIT(EPT_ENABLE) | USBA_BIT(RX_SETUP));
+		usba_writel(udc, INT_ENB, (usba_readl(udc, INT_ENB)
+					   | USBA_BF(EPT_INT, 1)
+					   | USBA_BIT(DET_SUSPEND)
+					   | USBA_BIT(END_OF_RESUME)));
+
+		if (!(usba_ep_readl(ep0, CFG) & USBA_BIT(EPT_MAPPED)))
+			dev_warn(&udc->pdev->dev,
+				 "WARNING: EP0 configuration is invalid!\n");
+	}
+
+	spin_unlock(&udc->lock);
+
+	return IRQ_HANDLED;
+}
+
+static irqreturn_t usba_vbus_irq(int irq, void *devid)
+{
+	struct usba_udc *udc = devid;
+	int vbus;
+
+	/* debounce */
+	udelay(10);
+
+	spin_lock(&udc->lock);
+	vbus = gpio_get_value(udc->vbus_pin);
+	if (vbus != udc->vbus_prev) {
+		if (vbus) {
+			usba_writel(udc, CTRL, USBA_BIT(EN_USBA));
+			usba_writel(udc, INT_ENB, USBA_BIT(END_OF_RESET));
+		} else {
+			udc->gadget.speed = USB_SPEED_UNKNOWN;
+			reset_all_endpoints(udc);
+			usba_writel(udc, CTRL, 0);
+			if (udc->driver)
+				udc->driver->disconnect(&udc->gadget);
+		}
+		udc->vbus_prev = vbus;
+	}
+	spin_unlock(&udc->lock);
+
+	return IRQ_HANDLED;
+}
+
+int usb_gadget_register_driver(struct usb_gadget_driver *driver)
+{
+	struct usba_udc *udc = &the_udc;
+	unsigned long flags;
+	int ret;
+
+	if (!udc->pdev)
+		return -ENODEV;
+
+	spin_lock_irqsave(&udc->lock, flags);
+	if (udc->driver) {
+		spin_unlock_irqrestore(&udc->lock, flags);
+		return -EBUSY;
+	}
+
+	udc->driver = driver;
+	udc->gadget.dev.driver = &driver->driver;
+	spin_unlock_irqrestore(&udc->lock, flags);
+
+	clk_enable(udc->pclk);
+	clk_enable(udc->hclk);
+
+	ret = driver->bind(&udc->gadget);
+	if (ret) {
+		DBG(DBG_ERR, "Could not bind to driver %s: error %d\n",
+		    driver->driver.name, ret);
+		goto err_driver_bind;
+	}
+
+	DBG(DBG_GADGET, "registered driver `%s'\n", driver->driver.name);
+
+	udc->vbus_prev = 0;
+	if (udc->vbus_pin != -1) {
+		ret = request_irq(gpio_to_irq(udc->vbus_pin),
+				  usba_vbus_irq, 0, "atmel_usba_udc", udc);
+		if (ret) {
+			gpio_free(udc->vbus_pin);
+			udc->vbus_pin = -1;
+			dev_warn(&udc->pdev->dev,
+				 "failed to request vbus irq; "
+				 "assuming always on\n");
+		}
+	}
+
+	/* If Vbus is present, enable the controller and wait for reset */
+	spin_lock_irqsave(&udc->lock, flags);
+	if (vbus_is_present(udc) && udc->vbus_prev == 0) {
+		usba_writel(udc, CTRL, USBA_BIT(EN_USBA));
+		usba_writel(udc, INT_ENB, USBA_BIT(END_OF_RESET));
+	}
+	spin_unlock_irqrestore(&udc->lock, flags);
+
+	return 0;
+
+err_driver_bind:
+	udc->driver = NULL;
+	udc->gadget.dev.driver = NULL;
+	return ret;
+}
+EXPORT_SYMBOL(usb_gadget_register_driver);
+
+int usb_gadget_unregister_driver(struct usb_gadget_driver *driver)
+{
+	struct usba_udc *udc = &the_udc;
+	unsigned long flags;
+
+	if (!udc->pdev)
+		return -ENODEV;
+	if (driver != udc->driver)
+		return -EINVAL;
+
+	if (udc->vbus_pin != -1)
+		free_irq(gpio_to_irq(udc->vbus_pin), udc);
+
+	spin_lock_irqsave(&udc->lock, flags);
+	udc->gadget.speed = USB_SPEED_UNKNOWN;
+	reset_all_endpoints(udc);
+	spin_unlock_irqrestore(&udc->lock, flags);
+
+	/* This will also disable the DP pullup */
+	usba_writel(udc, CTRL, 0);
+
+	driver->unbind(&udc->gadget);
+	udc->gadget.dev.driver = NULL;
+	udc->driver = NULL;
+
+	clk_disable(udc->hclk);
+	clk_disable(udc->pclk);
+
+	DBG(DBG_GADGET, "unregistered driver `%s'\n", driver->driver.name);
+
+	return 0;
+}
+EXPORT_SYMBOL(usb_gadget_unregister_driver);
+
+static int __devinit usba_udc_probe(struct platform_device *pdev)
+{
+	struct usba_platform_data *pdata = pdev->dev.platform_data;
+	struct resource *regs, *fifo;
+	struct clk *pclk, *hclk;
+	struct usba_udc *udc = &the_udc;
+	int irq, ret, i;
+
+	regs = platform_get_resource(pdev, IORESOURCE_MEM, CTRL_IOMEM_ID);
+	fifo = platform_get_resource(pdev, IORESOURCE_MEM, FIFO_IOMEM_ID);
+	if (!regs || !fifo)
+		return -ENXIO;
+
+	irq = platform_get_irq(pdev, 0);
+	if (irq < 0)
+		return irq;
+
+	pclk = clk_get(&pdev->dev, "pclk");
+	if (IS_ERR(pclk))
+		return PTR_ERR(pclk);
+	hclk = clk_get(&pdev->dev, "hclk");
+	if (IS_ERR(hclk)) {
+		ret = PTR_ERR(hclk);
+		goto err_get_hclk;
+	}
+
+	udc->pdev = pdev;
+	udc->pclk = pclk;
+	udc->hclk = hclk;
+	udc->vbus_pin = -1;
+
+	ret = -ENOMEM;
+	udc->regs = ioremap(regs->start, regs->end - regs->start + 1);
+	if (!udc->regs) {
+		dev_err(&pdev->dev, "Unable to map I/O memory, aborting.\n");
+		goto err_map_regs;
+	}
+	dev_info(&pdev->dev, "MMIO registers at 0x%08lx mapped at %p\n",
+		 (unsigned long)regs->start, udc->regs);
+	udc->fifo = ioremap(fifo->start, fifo->end - fifo->start + 1);
+	if (!udc->fifo) {
+		dev_err(&pdev->dev, "Unable to map FIFO, aborting.\n");
+		goto err_map_fifo;
+	}
+	dev_info(&pdev->dev, "FIFO at 0x%08lx mapped at %p\n",
+		 (unsigned long)fifo->start, udc->fifo);
+
+	device_initialize(&udc->gadget.dev);
+	udc->gadget.dev.parent = &pdev->dev;
+	udc->gadget.dev.dma_mask = pdev->dev.dma_mask;
+
+	platform_set_drvdata(pdev, udc);
+
+	/* Make sure we start from a clean slate */
+	clk_enable(pclk);
+	usba_writel(udc, CTRL, 0);
+	clk_disable(pclk);
+
+	INIT_LIST_HEAD(&usba_ep[0].ep.ep_list);
+	usba_ep[0].ep_regs = udc->regs + USBA_EPT_BASE(0);
+	usba_ep[0].dma_regs = udc->regs + USBA_DMA_BASE(0);
+	usba_ep[0].fifo = udc->fifo + USBA_FIFO_BASE(0);
+	for (i = 1; i < ARRAY_SIZE(usba_ep); i++) {
+		struct usba_ep *ep = &usba_ep[i];
+
+		ep->ep_regs = udc->regs + USBA_EPT_BASE(i);
+		ep->dma_regs = udc->regs + USBA_DMA_BASE(i);
+		ep->fifo = udc->fifo + USBA_FIFO_BASE(i);
+
+		list_add_tail(&ep->ep.ep_list, &udc->gadget.ep_list);
+	}
+
+	ret = request_irq(irq, usba_udc_irq, IRQF_SAMPLE_RANDOM,
+			  "atmel_usba_udc", udc);
+	if (ret) {
+		dev_err(&pdev->dev, "Cannot request irq %d (error %d)\n",
+			irq, ret);
+		goto err_request_irq;
+	}
+	udc->irq = irq;
+
+	ret = device_add(&udc->gadget.dev);
+	if (ret) {
+		dev_dbg(&pdev->dev, "Could not add gadget: %d\n", ret);
+		goto err_device_add;
+	}
+
+	if (pdata && pdata->vbus_pin != GPIO_PIN_NONE)
+		if (!gpio_request(pdata->vbus_pin, "atmel_usba_udc"))
+			udc->vbus_pin = pdata->vbus_pin;
+
+	usba_init_debugfs(udc);
+	for (i = 1; i < ARRAY_SIZE(usba_ep); i++)
+		usba_ep_init_debugfs(udc, &usba_ep[i]);
+
+	return 0;
+
+err_device_add:
+	free_irq(irq, udc);
+err_request_irq:
+	iounmap(udc->fifo);
+err_map_fifo:
+	iounmap(udc->regs);
+err_map_regs:
+	clk_put(hclk);
+err_get_hclk:
+	clk_put(pclk);
+
+	platform_set_drvdata(pdev, NULL);
+
+	return ret;
+}
+
+static int __devexit usba_udc_remove(struct platform_device *pdev)
+{
+	struct usba_udc *udc;
+	int i;
+
+	udc = platform_get_drvdata(pdev);
+
+	for (i = 1; i < ARRAY_SIZE(usba_ep); i++)
+		usba_ep_cleanup_debugfs(&usba_ep[i]);
+	usba_cleanup_debugfs(udc);
+
+	if (udc->vbus_pin != -1)
+		gpio_free(udc->vbus_pin);
+
+	free_irq(udc->irq, udc);
+	iounmap(udc->fifo);
+	iounmap(udc->regs);
+	clk_put(udc->hclk);
+	clk_put(udc->pclk);
+
+	device_unregister(&udc->gadget.dev);
+
+	return 0;
+}
+
+static struct platform_driver udc_driver = {
+	.probe		= usba_udc_probe,
+	.remove		= __devexit_p(usba_udc_remove),
+	.driver		= {
+		.name		= "atmel_usba_udc",
+	},
+};
+
+static int __init udc_init(void)
+{
+	return platform_driver_register(&udc_driver);
+}
+module_init(udc_init);
+
+static void __exit udc_exit(void)
+{
+	platform_driver_unregister(&udc_driver);
+}
+module_exit(udc_exit);
+
+MODULE_DESCRIPTION("Atmel USBA UDC driver");
+MODULE_AUTHOR("Haavard Skinnemoen <hskinnemoen@atmel.com>");
+MODULE_LICENSE("GPL");
diff -x .git -Nur linux-2.6.22.1/drivers/usb/gadget/atmel_usba_udc.h linux-avr32.git/drivers/usb/gadget/atmel_usba_udc.h
--- linux-2.6.22.1/drivers/usb/gadget/atmel_usba_udc.h	1970-01-01 01:00:00.000000000 +0100
+++ linux-avr32.git/drivers/usb/gadget/atmel_usba_udc.h	2007-07-12 14:00:19.000000000 +0200
@@ -0,0 +1,402 @@
+/*
+ * Driver for the Atmel USBA high speed USB device controller
+ *
+ * Copyright (C) 2005-2007 Atmel Corporation
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+#ifndef __LINUX_USB_GADGET_USBA_UDC_H__
+#define __LINUX_USB_GADGET_USBA_UDC_H__
+
+/* USB register offsets */
+#define USBA_CTRL				0x0000
+#define USBA_FNUM				0x0004
+#define USBA_INT_ENB				0x0010
+#define USBA_INT_STA				0x0014
+#define USBA_INT_CLR				0x0018
+#define USBA_EPT_RST				0x001c
+#define USBA_TST_SOF_CNT			0x00d0
+#define USBA_TST_CNT_A				0x00d4
+#define USBA_TST_CNT_B				0x00d8
+#define USBA_TST_MODE_REG			0x00dc
+#define USBA_TST				0x00e0
+
+/* USB endpoint register offsets */
+#define USBA_EPT_CFG				0x0000
+#define USBA_EPT_CTL_ENB			0x0004
+#define USBA_EPT_CTL_DIS			0x0008
+#define USBA_EPT_CTL				0x000c
+#define USBA_EPT_SET_STA			0x0014
+#define USBA_EPT_CLR_STA			0x0018
+#define USBA_EPT_STA				0x001c
+
+/* USB DMA register offsets */
+#define USBA_DMA_NXT_DSC			0x0000
+#define USBA_DMA_ADDRESS			0x0004
+#define USBA_DMA_CONTROL			0x0008
+#define USBA_DMA_STATUS				0x000c
+
+/* Bitfields in CTRL */
+#define USBA_DEV_ADDR_OFFSET			0
+#define USBA_DEV_ADDR_SIZE			7
+#define USBA_FADDR_EN_OFFSET			7
+#define USBA_FADDR_EN_SIZE			1
+#define USBA_EN_USBA_OFFSET			8
+#define USBA_EN_USBA_SIZE			1
+#define USBA_DETACH_OFFSET			9
+#define USBA_DETACH_SIZE			1
+#define USBA_REMOTE_WAKE_UP_OFFSET		10
+#define USBA_REMOTE_WAKE_UP_SIZE		1
+
+/* Bitfields in FNUM */
+#define USBA_MICRO_FRAME_NUM_OFFSET		0
+#define USBA_MICRO_FRAME_NUM_SIZE		3
+#define USBA_FRAME_NUMBER_OFFSET		3
+#define USBA_FRAME_NUMBER_SIZE			11
+#define USBA_FRAME_NUM_ERROR_OFFSET		31
+#define USBA_FRAME_NUM_ERROR_SIZE		1
+
+/* Bitfields in INT_ENB/INT_STA/INT_CLR */
+#define USBA_HIGH_SPEED_OFFSET			0
+#define USBA_HIGH_SPEED_SIZE			1
+#define USBA_DET_SUSPEND_OFFSET			1
+#define USBA_DET_SUSPEND_SIZE			1
+#define USBA_MICRO_SOF_OFFSET			2
+#define USBA_MICRO_SOF_SIZE			1
+#define USBA_SOF_OFFSET				3
+#define USBA_SOF_SIZE				1
+#define USBA_END_OF_RESET_OFFSET		4
+#define USBA_END_OF_RESET_SIZE			1
+#define USBA_WAKE_UP_OFFSET			5
+#define USBA_WAKE_UP_SIZE			1
+#define USBA_END_OF_RESUME_OFFSET		6
+#define USBA_END_OF_RESUME_SIZE			1
+#define USBA_UPSTREAM_RESUME_OFFSET		7
+#define USBA_UPSTREAM_RESUME_SIZE		1
+#define USBA_EPT_INT_OFFSET			8
+#define USBA_EPT_INT_SIZE			16
+#define USBA_DMA_INT_OFFSET			24
+#define USBA_DMA_INT_SIZE			8
+
+/* Bitfields in EPT_RST */
+#define USBA_RST_OFFSET				0
+#define USBA_RST_SIZE				16
+
+/* Bitfields in TST_SOF_CNT */
+#define USBA_SOF_CNT_MAX_OFFSET			0
+#define USBA_SOF_CNT_MAX_SIZE			7
+#define USBA_SOF_CNT_LOAD_OFFSET		7
+#define USBA_SOF_CNT_LOAD_SIZE			1
+
+/* Bitfields in TST_CNT_A */
+#define USBA_CNT_A_MAX_OFFSET			0
+#define USBA_CNT_A_MAX_SIZE			7
+#define USBA_CNT_A_LOAD_OFFSET			7
+#define USBA_CNT_A_LOAD_SIZE			1
+
+/* Bitfields in TST_CNT_B */
+#define USBA_CNT_B_MAX_OFFSET			0
+#define USBA_CNT_B_MAX_SIZE			7
+#define USBA_CNT_B_LOAD_OFFSET			7
+#define USBA_CNT_B_LOAD_SIZE			1
+
+/* Bitfields in TST_MODE_REG */
+#define USBA_TST_MODE_OFFSET			0
+#define USBA_TST_MODE_SIZE			6
+
+/* Bitfields in USBA_TST */
+#define USBA_SPEED_CFG_OFFSET			0
+#define USBA_SPEED_CFG_SIZE			2
+#define USBA_TST_J_MODE_OFFSET			2
+#define USBA_TST_J_MODE_SIZE			1
+#define USBA_TST_K_MODE_OFFSET			3
+#define USBA_TST_K_MODE_SIZE			1
+#define USBA_TST_PKT_MODE_OFFSET		4
+#define USBA_TST_PKT_MODE_SIZE			1
+#define USBA_OPMODE2_OFFSET			5
+#define USBA_OPMODE2_SIZE			1
+
+/* Bitfields in EPT_CFG */
+#define USBA_EPT_SIZE_OFFSET			0
+#define USBA_EPT_SIZE_SIZE			3
+#define USBA_EPT_DIR_OFFSET			3
+#define USBA_EPT_DIR_SIZE			1
+#define USBA_EPT_TYPE_OFFSET			4
+#define USBA_EPT_TYPE_SIZE			2
+#define USBA_BK_NUMBER_OFFSET			6
+#define USBA_BK_NUMBER_SIZE			2
+#define USBA_NB_TRANS_OFFSET			8
+#define USBA_NB_TRANS_SIZE			2
+#define USBA_EPT_MAPPED_OFFSET			31
+#define USBA_EPT_MAPPED_SIZE			1
+
+/* Bitfields in EPT_CTL/EPT_CTL_ENB/EPT_CTL_DIS */
+#define USBA_EPT_ENABLE_OFFSET			0
+#define USBA_EPT_ENABLE_SIZE			1
+#define USBA_AUTO_VALID_OFFSET			1
+#define USBA_AUTO_VALID_SIZE			1
+#define USBA_INTDIS_DMA_OFFSET			3
+#define USBA_INTDIS_DMA_SIZE			1
+#define USBA_NYET_DIS_OFFSET			4
+#define USBA_NYET_DIS_SIZE			1
+#define USBA_DATAX_RX_OFFSET			6
+#define USBA_DATAX_RX_SIZE			1
+#define USBA_MDATA_RX_OFFSET			7
+#define USBA_MDATA_RX_SIZE			1
+/* Bits 8-15 and 31 enable interrupts for respective bits in EPT_STA */
+#define USBA_BUSY_BANK_IE_OFFSET		18
+#define USBA_BUSY_BANK_IE_SIZE			1
+
+/* Bitfields in EPT_SET_STA/EPT_CLR_STA/EPT_STA */
+#define USBA_FORCE_STALL_OFFSET			5
+#define USBA_FORCE_STALL_SIZE			1
+#define USBA_TOGGLE_SEQ_OFFSET			6
+#define USBA_TOGGLE_SEQ_SIZE			2
+#define USBA_ERR_OVFLW_OFFSET			8
+#define USBA_ERR_OVFLW_SIZE			1
+#define USBA_RX_BK_RDY_OFFSET			9
+#define USBA_RX_BK_RDY_SIZE			1
+#define USBA_KILL_BANK_OFFSET			9
+#define USBA_KILL_BANK_SIZE			1
+#define USBA_TX_COMPLETE_OFFSET			10
+#define USBA_TX_COMPLETE_SIZE			1
+#define USBA_TX_PK_RDY_OFFSET			11
+#define USBA_TX_PK_RDY_SIZE			1
+#define USBA_ISO_ERR_TRANS_OFFSET		11
+#define USBA_ISO_ERR_TRANS_SIZE			1
+#define USBA_RX_SETUP_OFFSET			12
+#define USBA_RX_SETUP_SIZE			1
+#define USBA_ISO_ERR_FLOW_OFFSET		12
+#define USBA_ISO_ERR_FLOW_SIZE			1
+#define USBA_STALL_SENT_OFFSET			13
+#define USBA_STALL_SENT_SIZE			1
+#define USBA_ISO_ERR_CRC_OFFSET			13
+#define USBA_ISO_ERR_CRC_SIZE			1
+#define USBA_ISO_ERR_NBTRANS_OFFSET		13
+#define USBA_ISO_ERR_NBTRANS_SIZE		1
+#define USBA_NAK_IN_OFFSET			14
+#define USBA_NAK_IN_SIZE			1
+#define USBA_ISO_ERR_FLUSH_OFFSET		14
+#define USBA_ISO_ERR_FLUSH_SIZE			1
+#define USBA_NAK_OUT_OFFSET			15
+#define USBA_NAK_OUT_SIZE			1
+#define USBA_CURRENT_BANK_OFFSET		16
+#define USBA_CURRENT_BANK_SIZE			2
+#define USBA_BUSY_BANKS_OFFSET			18
+#define USBA_BUSY_BANKS_SIZE			2
+#define USBA_BYTE_COUNT_OFFSET			20
+#define USBA_BYTE_COUNT_SIZE			11
+#define USBA_SHORT_PACKET_OFFSET		31
+#define USBA_SHORT_PACKET_SIZE			1
+
+/* Bitfields in DMA_CONTROL */
+#define USBA_DMA_CH_EN_OFFSET			0
+#define USBA_DMA_CH_EN_SIZE			1
+#define USBA_DMA_LINK_OFFSET			1
+#define USBA_DMA_LINK_SIZE			1
+#define USBA_DMA_END_TR_EN_OFFSET		2
+#define USBA_DMA_END_TR_EN_SIZE			1
+#define USBA_DMA_END_BUF_EN_OFFSET		3
+#define USBA_DMA_END_BUF_EN_SIZE		1
+#define USBA_DMA_END_TR_IE_OFFSET		4
+#define USBA_DMA_END_TR_IE_SIZE			1
+#define USBA_DMA_END_BUF_IE_OFFSET		5
+#define USBA_DMA_END_BUF_IE_SIZE		1
+#define USBA_DMA_DESC_LOAD_IE_OFFSET		6
+#define USBA_DMA_DESC_LOAD_IE_SIZE		1
+#define USBA_DMA_BURST_LOCK_OFFSET		7
+#define USBA_DMA_BURST_LOCK_SIZE		1
+#define USBA_DMA_BUF_LEN_OFFSET			16
+#define USBA_DMA_BUF_LEN_SIZE			16
+
+/* Bitfields in DMA_STATUS */
+#define USBA_DMA_CH_ACTIVE_OFFSET		1
+#define USBA_DMA_CH_ACTIVE_SIZE			1
+#define USBA_DMA_END_TR_ST_OFFSET		4
+#define USBA_DMA_END_TR_ST_SIZE			1
+#define USBA_DMA_END_BUF_ST_OFFSET		5
+#define USBA_DMA_END_BUF_ST_SIZE		1
+#define USBA_DMA_DESC_LOAD_ST_OFFSET		6
+#define USBA_DMA_DESC_LOAD_ST_SIZE		1
+
+/* Constants for SPEED_CFG */
+#define USBA_SPEED_CFG_NORMAL			0
+#define USBA_SPEED_CFG_FORCE_HIGH		2
+#define USBA_SPEED_CFG_FORCE_FULL		3
+
+/* Constants for EPT_SIZE */
+#define USBA_EPT_SIZE_8				0
+#define USBA_EPT_SIZE_16			1
+#define USBA_EPT_SIZE_32			2
+#define USBA_EPT_SIZE_64			3
+#define USBA_EPT_SIZE_128			4
+#define USBA_EPT_SIZE_256			5
+#define USBA_EPT_SIZE_512			6
+#define USBA_EPT_SIZE_1024			7
+
+/* Constants for EPT_TYPE */
+#define USBA_EPT_TYPE_CONTROL			0
+#define USBA_EPT_TYPE_ISO			1
+#define USBA_EPT_TYPE_BULK			2
+#define USBA_EPT_TYPE_INT			3
+
+/* Constants for BK_NUMBER */
+#define USBA_BK_NUMBER_ZERO			0
+#define USBA_BK_NUMBER_ONE			1
+#define USBA_BK_NUMBER_DOUBLE			2
+#define USBA_BK_NUMBER_TRIPLE			3
+
+/* Bit manipulation macros */
+#define USBA_BIT(name)						\
+	(1 << USBA_##name##_OFFSET)
+#define USBA_BF(name, value)					\
+	(((value) & ((1 << USBA_##name##_SIZE) - 1))		\
+	 << USBA_##name##_OFFSET)
+#define USBA_BFEXT(name, value)					\
+	(((value) >> USBA_##name##_OFFSET)			\
+	 & ((1 << USBA_##name##_SIZE) - 1))
+#define USBA_BFINS(name, value, old)				\
+	(((old) & ~(((1 << USBA_##name##_SIZE) - 1)		\
+		    << USBA_##name##_OFFSET))			\
+	 | USBA_BF(name, value))
+
+/* Register access macros */
+#define usba_readl(udc, reg)					\
+	__raw_readl((udc)->regs + USBA_##reg)
+#define usba_writel(udc, reg, value)				\
+	__raw_writel((value), (udc)->regs + USBA_##reg)
+#define usba_ep_readl(ep, reg)					\
+	__raw_readl((ep)->ep_regs + USBA_EPT_##reg)
+#define usba_ep_writel(ep, reg, value)				\
+	__raw_writel((value), (ep)->ep_regs + USBA_EPT_##reg)
+#define usba_dma_readl(ep, reg)					\
+	__raw_readl((ep)->dma_regs + USBA_DMA_##reg)
+#define usba_dma_writel(ep, reg, value)				\
+	__raw_writel((value), (ep)->dma_regs + USBA_DMA_##reg)
+
+/* Calculate base address for a given endpoint or DMA controller */
+#define USBA_EPT_BASE(x)	(0x100 + (x) * 0x20)
+#define USBA_DMA_BASE(x)	(0x300 + (x) * 0x10)
+#define USBA_FIFO_BASE(x)	((x) << 16)
+
+/* Synth parameters */
+#define USBA_NR_ENDPOINTS	7
+
+#define EP0_FIFO_SIZE		64
+#define EP0_EPT_SIZE		USBA_EPT_SIZE_64
+#define EP0_NR_BANKS		1
+#define BULK_FIFO_SIZE		512
+#define BULK_EPT_SIZE		USBA_EPT_SIZE_512
+#define BULK_NR_BANKS		2
+#define ISO_FIFO_SIZE		1024
+#define ISO_EPT_SIZE		USBA_EPT_SIZE_1024
+#define ISO_NR_BANKS		3
+#define INT_FIFO_SIZE		64
+#define INT_EPT_SIZE		USBA_EPT_SIZE_64
+#define INT_NR_BANKS		3
+
+enum usba_ctrl_state {
+	WAIT_FOR_SETUP,
+	DATA_STAGE_IN,
+	DATA_STAGE_OUT,
+	STATUS_STAGE_IN,
+	STATUS_STAGE_OUT,
+	STATUS_STAGE_ADDR,
+	STATUS_STAGE_TEST,
+};
+/*
+  EP_STATE_IDLE,
+  EP_STATE_SETUP,
+  EP_STATE_IN_DATA,
+  EP_STATE_OUT_DATA,
+  EP_STATE_SET_ADDR_STATUS,
+  EP_STATE_RX_STATUS,
+  EP_STATE_TX_STATUS,
+  EP_STATE_HALT,
+*/
+
+struct usba_dma_desc {
+	dma_addr_t next;
+	dma_addr_t addr;
+	u32 ctrl;
+};
+
+struct usba_ep {
+	int					state;
+	void __iomem				*ep_regs;
+	void __iomem				*dma_regs;
+	void __iomem				*fifo;
+	struct usb_ep				ep;
+	struct usba_udc				*udc;
+
+	struct list_head			queue;
+	const struct usb_endpoint_descriptor	*desc;
+
+	u16					fifo_size;
+	u8					nr_banks;
+	u8					index;
+	unsigned int				can_dma:1;
+	unsigned int				can_isoc:1;
+	unsigned int				is_isoc:1;
+	unsigned int				is_in:1;
+
+#ifdef CONFIG_DEBUG_FS
+	u32					last_dma_status;
+	struct dentry				*debugfs_dir;
+	struct dentry				*debugfs_queue;
+	struct dentry				*debugfs_dma_status;
+	struct dentry				*debugfs_state;
+#endif
+};
+
+struct usba_request {
+	struct usb_request			req;
+	struct list_head			queue;
+
+	u32					ctrl;
+
+	unsigned int				submitted:1;
+	unsigned int				last_transaction:1;
+	unsigned int				using_dma:1;
+	unsigned int				mapped:1;
+};
+
+struct usba_udc {
+	/* Protect hw registers from concurrent modifications */
+	spinlock_t lock;
+
+	void __iomem *regs;
+	void __iomem *fifo;
+
+	struct usb_gadget gadget;
+	struct usb_gadget_driver *driver;
+	struct platform_device *pdev;
+	int irq;
+	int vbus_pin;
+	struct clk *pclk;
+	struct clk *hclk;
+
+	int test_mode;
+	int vbus_prev;
+
+#ifdef CONFIG_DEBUG_FS
+	struct dentry *debugfs_root;
+	struct dentry *debugfs_regs;
+#endif
+};
+
+#define to_usba_ep(x) container_of((x), struct usba_ep, ep)
+#define to_usba_req(x) container_of((x), struct usba_request, req)
+#define to_usba_udc(x) container_of((x), struct usba_udc, gadget)
+
+#define ep_index(ep)		((ep)->index)
+#define ep_can_dma(ep)		((ep)->can_dma)
+#define ep_is_in(ep)		((ep)->is_in)
+#define ep_is_isochronous(ep)	((ep)->is_isoc)
+#define ep_is_control(ep)	(ep_index(ep) == 0)
+#define ep_name(ep)		((ep)->ep.name)
+#define ep_is_idle(ep)		((ep)->state == EP_STATE_IDLE)
+
+#endif /* __LINUX_USB_GADGET_USBA_UDC_H */
diff -x .git -Nur linux-2.6.22.1/drivers/usb/gadget/ether.c linux-avr32.git/drivers/usb/gadget/ether.c
--- linux-2.6.22.1/drivers/usb/gadget/ether.c	2007-07-10 20:56:30.000000000 +0200
+++ linux-avr32.git/drivers/usb/gadget/ether.c	2007-07-12 14:00:19.000000000 +0200
@@ -277,7 +277,7 @@
 #define DEV_CONFIG_CDC
 #endif
 
-#ifdef CONFIG_USB_GADGET_HUSB2DEV
+#ifdef CONFIG_USB_GADGET_ATMEL_USBA
 #define DEV_CONFIG_CDC
 #endif
 
diff -x .git -Nur linux-2.6.22.1/drivers/usb/gadget/gadget_chips.h linux-avr32.git/drivers/usb/gadget/gadget_chips.h
--- linux-2.6.22.1/drivers/usb/gadget/gadget_chips.h	2007-07-10 20:56:30.000000000 +0200
+++ linux-avr32.git/drivers/usb/gadget/gadget_chips.h	2007-07-12 14:00:19.000000000 +0200
@@ -75,10 +75,10 @@
 #define	gadget_is_pxa27x(g)	0
 #endif
 
-#ifdef CONFIG_USB_GADGET_HUSB2DEV
-#define gadget_is_husb2dev(g)	!strcmp("husb2_udc", (g)->name)
+#ifdef CONFIG_USB_GADGET_ATMEL_USBA
+#define gadget_is_atmel_usba(g)	!strcmp("atmel_usba_udc", (g)->name)
 #else
-#define gadget_is_husb2dev(g)	0
+#define gadget_is_atmel_usba(g)	0
 #endif
 
 #ifdef CONFIG_USB_GADGET_S3C2410
@@ -181,7 +181,7 @@
 		return 0x16;
 	else if (gadget_is_mpc8272(gadget))
 		return 0x17;
-	else if (gadget_is_husb2dev(gadget))
+	else if (gadget_is_atmel_usba(gadget))
 		return 0x18;
 	else if (gadget_is_fsl_usb2(gadget))
 		return 0x19;
diff -x .git -Nur linux-2.6.22.1/drivers/usb/gadget/inode.c linux-avr32.git/drivers/usb/gadget/inode.c
--- linux-2.6.22.1/drivers/usb/gadget/inode.c	2007-07-10 20:56:30.000000000 +0200
+++ linux-avr32.git/drivers/usb/gadget/inode.c	2007-07-12 14:00:19.000000000 +0200
@@ -37,7 +37,7 @@
 #include <linux/device.h>
 #include <linux/moduleparam.h>
 
-#include <linux/usb_gadgetfs.h>
+#include <linux/usb/gadgetfs.h>
 #include <linux/usb_gadget.h>
 
 
diff -x .git -Nur linux-2.6.22.1/drivers/usb/gadget/Kconfig linux-avr32.git/drivers/usb/gadget/Kconfig
--- linux-2.6.22.1/drivers/usb/gadget/Kconfig	2007-07-10 20:56:30.000000000 +0200
+++ linux-avr32.git/drivers/usb/gadget/Kconfig	2007-07-12 14:00:19.000000000 +0200
@@ -175,6 +175,19 @@
 	default USB_GADGET
 	select USB_GADGET_SELECTED
 
+config USB_GADGET_ATMEL_USBA
+	boolean "Atmel USBA"
+	select USB_GADGET_DUALSPEED
+	depends on AVR32
+	help
+	  USBA is the integrated high-speed USB Device controller on
+	  the AT32AP700x processors from Atmel.
+
+config USB_ATMEL_USBA
+	tristate
+	depends on USB_GADGET_ATMEL_USBA
+	default USB_GADGET
+	select USB_GADGET_SELECTED
 
 config USB_GADGET_OMAP
 	boolean "OMAP USB Device Controller"
diff -x .git -Nur linux-2.6.22.1/drivers/usb/gadget/Makefile linux-avr32.git/drivers/usb/gadget/Makefile
--- linux-2.6.22.1/drivers/usb/gadget/Makefile	2007-07-10 20:56:30.000000000 +0200
+++ linux-avr32.git/drivers/usb/gadget/Makefile	2007-07-12 14:00:19.000000000 +0200
@@ -8,6 +8,7 @@
 obj-$(CONFIG_USB_OMAP)		+= omap_udc.o
 obj-$(CONFIG_USB_LH7A40X)	+= lh7a40x_udc.o
 obj-$(CONFIG_USB_AT91)		+= at91_udc.o
+obj-$(CONFIG_USB_ATMEL_USBA)	+= atmel_usba_udc.o
 obj-$(CONFIG_USB_FSL_USB2)	+= fsl_usb2_udc.o
 
 #
diff -x .git -Nur linux-2.6.22.1/drivers/video/atmel_lcdfb.c linux-avr32.git/drivers/video/atmel_lcdfb.c
--- linux-2.6.22.1/drivers/video/atmel_lcdfb.c	2007-07-10 20:56:30.000000000 +0200
+++ linux-avr32.git/drivers/video/atmel_lcdfb.c	2007-07-12 14:00:20.000000000 +0200
@@ -37,7 +37,9 @@
 #endif
 
 #if defined(CONFIG_ARCH_AT91)
-#define	ATMEL_LCDFB_FBINFO_DEFAULT	FBINFO_DEFAULT
+#define	ATMEL_LCDFB_FBINFO_DEFAULT	(FBINFO_DEFAULT \
+					 | FBINFO_PARTIAL_PAN_OK \
+					 | FBINFO_HWACCEL_YPAN)
 
 static inline void atmel_lcdfb_update_dma2d(struct atmel_lcdfb_info *sinfo,
 					struct fb_var_screeninfo *var)
@@ -74,11 +76,34 @@
 	.type		= FB_TYPE_PACKED_PIXELS,
 	.visual		= FB_VISUAL_TRUECOLOR,
 	.xpanstep	= 0,
-	.ypanstep	= 0,
+	.ypanstep	= 1,
 	.ywrapstep	= 0,
 	.accel		= FB_ACCEL_NONE,
 };
 
+static unsigned long compute_hozval(unsigned long xres, unsigned long lcdcon2)
+{
+	unsigned long value;
+
+	if (!(cpu_is_at91sam9261() || cpu_is_at32ap7000()))
+		return xres;
+
+	value = xres;
+	if ((lcdcon2 & ATMEL_LCDC_DISTYPE) != ATMEL_LCDC_DISTYPE_TFT) {
+		/* STN display */
+		if ((lcdcon2 & ATMEL_LCDC_DISTYPE) == ATMEL_LCDC_DISTYPE_STNCOLOR) {
+			value *= 3;
+		}
+		if ( (lcdcon2 & ATMEL_LCDC_IFWIDTH) == ATMEL_LCDC_IFWIDTH_4
+		   || ( (lcdcon2 & ATMEL_LCDC_IFWIDTH) == ATMEL_LCDC_IFWIDTH_8
+		      && (lcdcon2 & ATMEL_LCDC_SCANMOD) == ATMEL_LCDC_SCANMOD_DUAL ))
+			value = DIV_ROUND_UP(value, 4);
+		else
+			value = DIV_ROUND_UP(value, 8);
+	}
+
+	return value;
+}
 
 static void atmel_lcdfb_update_dma(struct fb_info *info,
 			       struct fb_var_screeninfo *var)
@@ -181,6 +206,7 @@
 	var->xoffset = var->yoffset = 0;
 
 	switch (var->bits_per_pixel) {
+	case 1:
 	case 2:
 	case 4:
 	case 8:
@@ -195,8 +221,11 @@
 		var->blue.offset = 10;
 		var->red.length = var->green.length = var->blue.length = 5;
 		break;
-	case 24:
 	case 32:
+		var->transp.offset = 24;
+		var->transp.length = 8;
+		/* fall through */
+	case 24:
 		var->red.offset = 0;
 		var->green.offset = 8;
 		var->blue.offset = 16;
@@ -228,8 +257,10 @@
 static int atmel_lcdfb_set_par(struct fb_info *info)
 {
 	struct atmel_lcdfb_info *sinfo = info->par;
+	unsigned long hozval_linesz;
 	unsigned long value;
 	unsigned long clk_value_khz;
+	unsigned long bits_per_line;
 
 	dev_dbg(info->device, "%s:\n", __func__);
 	dev_dbg(info->device, "  * resolution: %ux%u (%ux%u virtual)\n",
@@ -241,12 +272,15 @@
 
 	lcdc_writel(sinfo, ATMEL_LCDC_DMACON, 0);
 
-	if (info->var.bits_per_pixel <= 8)
+	if (info->var.bits_per_pixel == 1)
+		info->fix.visual = FB_VISUAL_MONO01;
+	else if (info->var.bits_per_pixel <= 8)
 		info->fix.visual = FB_VISUAL_PSEUDOCOLOR;
 	else
 		info->fix.visual = FB_VISUAL_TRUECOLOR;
 
-	info->fix.line_length = info->var.xres_virtual * (info->var.bits_per_pixel / 8);
+	bits_per_line = info->var.xres_virtual * info->var.bits_per_pixel;
+	info->fix.line_length = DIV_ROUND_UP(bits_per_line, 8);
 
 	/* Re-initialize the DMA engine... */
 	dev_dbg(info->device, "  * update DMA engine\n");
@@ -262,18 +296,21 @@
 	/* Set pixel clock */
 	clk_value_khz = clk_get_rate(sinfo->lcdc_clk) / 1000;
 
-	value = clk_value_khz / PICOS2KHZ(info->var.pixclock);
-
-	if (clk_value_khz % PICOS2KHZ(info->var.pixclock))
-		value++;
+	value = DIV_ROUND_UP(clk_value_khz, PICOS2KHZ(info->var.pixclock));
 
 	value = (value / 2) - 1;
+	dev_dbg(info->device, "  * programming CLKVAL = 0x%08lx\n", value);
 
 	if (value <= 0) {
 		dev_notice(info->device, "Bypassing pixel clock divider\n");
 		lcdc_writel(sinfo, ATMEL_LCDC_LCDCON1, ATMEL_LCDC_BYPASS);
-	} else
+	} else {
 		lcdc_writel(sinfo, ATMEL_LCDC_LCDCON1, value << ATMEL_LCDC_CLKVAL_OFFSET);
+		info->var.pixclock = KHZ2PICOS(clk_value_khz / (2 * (value + 1)));
+		dev_dbg(info->device, "  updated pixclk:     %lu KHz\n",
+					PICOS2KHZ(info->var.pixclock));
+	}
+
 
 	/* Initialize control register 2 */
 	value = sinfo->default_lcdcon2;
@@ -311,9 +348,14 @@
 	dev_dbg(info->device, "  * LCDTIM2 = %08lx\n", value);
 	lcdc_writel(sinfo, ATMEL_LCDC_TIM2, value);
 
+	/* Horizontal value (aka line size) */
+	hozval_linesz = compute_hozval(info->var.xres,
+					lcdc_readl(sinfo, ATMEL_LCDC_LCDCON2));
+
 	/* Display size */
-	value = (info->var.xres - 1) << ATMEL_LCDC_HOZVAL_OFFSET;
+	value = (hozval_linesz - 1) << ATMEL_LCDC_HOZVAL_OFFSET;
 	value |= info->var.yres - 1;
+	dev_dbg(info->device, "  * LCDFRMCFG = %08lx\n", value);
 	lcdc_writel(sinfo, ATMEL_LCDC_LCDFRMCFG, value);
 
 	/* FIFO Threshold: Use formula from data sheet */
@@ -421,6 +463,15 @@
 			ret = 0;
 		}
 		break;
+
+	case FB_VISUAL_MONO01:
+		if (regno < 2) {
+			val = (regno == 0) ? 0x00 : 0x1F;
+			lcdc_writel(sinfo, ATMEL_LCDC_LUT(regno), val);
+			ret = 0;
+		}
+		break;
+
 	}
 
 	return ret;
diff -x .git -Nur linux-2.6.22.1/drivers/video/backlight/Kconfig linux-avr32.git/drivers/video/backlight/Kconfig
--- linux-2.6.22.1/drivers/video/backlight/Kconfig	2007-07-10 20:56:30.000000000 +0200
+++ linux-avr32.git/drivers/video/backlight/Kconfig	2007-07-12 14:00:20.000000000 +0200
@@ -8,26 +8,44 @@
 	  Enable this to be able to choose the drivers for controlling the
 	  backlight and the LCD panel on some platforms, for example on PDAs.
 
-config BACKLIGHT_CLASS_DEVICE
-        tristate "Lowlevel Backlight controls"
+#
+# LCD
+#
+config LCD_CLASS_DEVICE
+        tristate "Lowlevel LCD controls"
 	depends on BACKLIGHT_LCD_SUPPORT
 	default m
 	help
-	  This framework adds support for low-level control of the LCD
-          backlight. This includes support for brightness and power.
+	  This framework adds support for low-level control of LCD.
+	  Some framebuffer devices connect to platform-specific LCD modules
+	  in order to have a platform-specific way to control the flat panel
+	  (contrast and applying power to the LCD (not to the backlight!)).
 
 	  To have support for your specific LCD panel you will have to
 	  select the proper drivers which depend on this option.
 
-config LCD_CLASS_DEVICE
-        tristate "Lowlevel LCD controls"
+config LCD_LTV350QV
+	tristate "Samsung LTV350QV LCD Panel"
+	depends on LCD_CLASS_DEVICE && SPI_MASTER
+	default n
+	help
+	  If you have a Samsung LTV350QV LCD panel, say y to include a
+	  power control driver for it.  The panel starts up in power
+	  off state, so you need this driver in order to see any
+	  output.
+
+	  The LTV350QV panel is present on all ATSTK1000 boards.
+
+#
+# Backlight
+#
+config BACKLIGHT_CLASS_DEVICE
+        tristate "Lowlevel Backlight controls"
 	depends on BACKLIGHT_LCD_SUPPORT
 	default m
 	help
-	  This framework adds support for low-level control of LCD.
-	  Some framebuffer devices connect to platform-specific LCD modules
-	  in order to have a platform-specific way to control the flat panel
-	  (contrast and applying power to the LCD (not to the backlight!)).
+	  This framework adds support for low-level control of the LCD
+          backlight. This includes support for brightness and power.
 
 	  To have support for your specific LCD panel you will have to
 	  select the proper drivers which depend on this option.
diff -x .git -Nur linux-2.6.22.1/drivers/video/backlight/ltv350qv.c linux-avr32.git/drivers/video/backlight/ltv350qv.c
--- linux-2.6.22.1/drivers/video/backlight/ltv350qv.c	1970-01-01 01:00:00.000000000 +0100
+++ linux-avr32.git/drivers/video/backlight/ltv350qv.c	2007-06-06 11:34:00.000000000 +0200
@@ -0,0 +1,340 @@
+/*
+ * Power control for Samsung LTV350QV Quarter VGA LCD Panel
+ *
+ * Copyright (C) 2006, 2007 Atmel Corporation
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+#include <linux/delay.h>
+#include <linux/err.h>
+#include <linux/fb.h>
+#include <linux/init.h>
+#include <linux/lcd.h>
+#include <linux/module.h>
+#include <linux/spi/spi.h>
+
+#include "ltv350qv.h"
+
+#define POWER_IS_ON(pwr)	((pwr) <= FB_BLANK_NORMAL)
+
+struct ltv350qv {
+	struct spi_device	*spi;
+	u8			*buffer;
+	int			power;
+	struct lcd_device	*ld;
+};
+
+/*
+ * The power-on and power-off sequences are taken from the
+ * LTV350QV-F04 data sheet from Samsung. The register definitions are
+ * taken from the S6F2002 command list also from Samsung. Both
+ * documents are distributed with the AVR32 Linux BSP CD from Atmel.
+ *
+ * There's still some voodoo going on here, but it's a lot better than
+ * in the first incarnation of the driver where all we had was the raw
+ * numbers from the initialization sequence.
+ */
+static int ltv350qv_write_reg(struct ltv350qv *lcd, u8 reg, u16 val)
+{
+	struct spi_message msg;
+	struct spi_transfer index_xfer = {
+		.len		= 3,
+		.cs_change	= 1,
+	};
+	struct spi_transfer value_xfer = {
+		.len		= 3,
+		.cs_change	= 1,
+	};
+
+	spi_message_init(&msg);
+
+	/* register index */
+	lcd->buffer[0] = LTV_OPC_INDEX;
+	lcd->buffer[1] = 0x00;
+	lcd->buffer[2] = reg & 0x7f;
+	index_xfer.tx_buf = lcd->buffer;
+	spi_message_add_tail(&index_xfer, &msg);
+
+	/* register value */
+	lcd->buffer[4] = LTV_OPC_DATA;
+	lcd->buffer[5] = val >> 8;
+	lcd->buffer[6] = val;
+	value_xfer.tx_buf = lcd->buffer + 4;
+	spi_message_add_tail(&value_xfer, &msg);
+
+	return spi_sync(lcd->spi, &msg);
+}
+
+/* The comments are taken straight from the data sheet */
+static int ltv350qv_power_on(struct ltv350qv *lcd)
+{
+	int ret;
+
+	/* Power On Reset Display off State */
+	if (ltv350qv_write_reg(lcd, LTV_PWRCTL1, 0x0000))
+		goto err;
+	msleep(15);
+
+	/* Power Setting Function 1 */
+	if (ltv350qv_write_reg(lcd, LTV_PWRCTL1, LTV_VCOM_DISABLE))
+		goto err;
+	if (ltv350qv_write_reg(lcd, LTV_PWRCTL2, LTV_VCOML_ENABLE))
+		goto err_power1;
+
+	/* Power Setting Function 2 */
+	if (ltv350qv_write_reg(lcd, LTV_PWRCTL1,
+			       LTV_VCOM_DISABLE | LTV_DRIVE_CURRENT(5)
+			       | LTV_SUPPLY_CURRENT(5)))
+		goto err_power2;
+
+	msleep(55);
+
+	/* Instruction Setting */
+	ret = ltv350qv_write_reg(lcd, LTV_IFCTL,
+				 LTV_NMD | LTV_REV | LTV_NL(0x1d));
+	ret |= ltv350qv_write_reg(lcd, LTV_DATACTL,
+				  LTV_DS_SAME | LTV_CHS_480
+				  | LTV_DF_RGB | LTV_RGB_BGR);
+	ret |= ltv350qv_write_reg(lcd, LTV_ENTRY_MODE,
+				  LTV_VSPL_ACTIVE_LOW
+				  | LTV_HSPL_ACTIVE_LOW
+				  | LTV_DPL_SAMPLE_RISING
+				  | LTV_EPL_ACTIVE_LOW
+				  | LTV_SS_RIGHT_TO_LEFT);
+	ret |= ltv350qv_write_reg(lcd, LTV_GATECTL1, LTV_CLW(3));
+	ret |= ltv350qv_write_reg(lcd, LTV_GATECTL2,
+				  LTV_NW_INV_1LINE | LTV_FWI(3));
+	ret |= ltv350qv_write_reg(lcd, LTV_VBP, 0x000a);
+	ret |= ltv350qv_write_reg(lcd, LTV_HBP, 0x0021);
+	ret |= ltv350qv_write_reg(lcd, LTV_SOTCTL, LTV_SDT(3) | LTV_EQ(0));
+	ret |= ltv350qv_write_reg(lcd, LTV_GAMMA(0), 0x0103);
+	ret |= ltv350qv_write_reg(lcd, LTV_GAMMA(1), 0x0301);
+	ret |= ltv350qv_write_reg(lcd, LTV_GAMMA(2), 0x1f0f);
+	ret |= ltv350qv_write_reg(lcd, LTV_GAMMA(3), 0x1f0f);
+	ret |= ltv350qv_write_reg(lcd, LTV_GAMMA(4), 0x0707);
+	ret |= ltv350qv_write_reg(lcd, LTV_GAMMA(5), 0x0307);
+	ret |= ltv350qv_write_reg(lcd, LTV_GAMMA(6), 0x0707);
+	ret |= ltv350qv_write_reg(lcd, LTV_GAMMA(7), 0x0000);
+	ret |= ltv350qv_write_reg(lcd, LTV_GAMMA(8), 0x0004);
+	ret |= ltv350qv_write_reg(lcd, LTV_GAMMA(9), 0x0000);
+	if (ret)
+		goto err_settings;
+
+	/* Wait more than 2 frames */
+	msleep(20);
+
+	/* Display On Sequence */
+	ret = ltv350qv_write_reg(lcd, LTV_PWRCTL1,
+				 LTV_VCOM_DISABLE | LTV_VCOMOUT_ENABLE
+				 | LTV_POWER_ON | LTV_DRIVE_CURRENT(5)
+				 | LTV_SUPPLY_CURRENT(5));
+	ret |= ltv350qv_write_reg(lcd, LTV_GATECTL2,
+				  LTV_NW_INV_1LINE | LTV_DSC | LTV_FWI(3));
+	if (ret)
+		goto err_disp_on;
+
+	/* Display should now be ON. Phew. */
+	return 0;
+
+err_disp_on:
+	/*
+	 * Try to recover. Error handling probably isn't very useful
+	 * at this point, just make a best effort to switch the panel
+	 * off.
+	 */
+	ltv350qv_write_reg(lcd, LTV_PWRCTL1,
+			   LTV_VCOM_DISABLE | LTV_DRIVE_CURRENT(5)
+			   | LTV_SUPPLY_CURRENT(5));
+	ltv350qv_write_reg(lcd, LTV_GATECTL2,
+			   LTV_NW_INV_1LINE | LTV_FWI(3));
+err_settings:
+err_power2:
+err_power1:
+	ltv350qv_write_reg(lcd, LTV_PWRCTL2, 0x0000);
+	msleep(1);
+err:
+	ltv350qv_write_reg(lcd, LTV_PWRCTL1, LTV_VCOM_DISABLE);
+	return -EIO;
+}
+
+static int ltv350qv_power_off(struct ltv350qv *lcd)
+{
+	int ret;
+
+	/* Display Off Sequence */
+	ret = ltv350qv_write_reg(lcd, LTV_PWRCTL1,
+				 LTV_VCOM_DISABLE
+				 | LTV_DRIVE_CURRENT(5)
+				 | LTV_SUPPLY_CURRENT(5));
+	ret |= ltv350qv_write_reg(lcd, LTV_GATECTL2,
+				  LTV_NW_INV_1LINE | LTV_FWI(3));
+
+	/* Power down setting 1 */
+	ret |= ltv350qv_write_reg(lcd, LTV_PWRCTL2, 0x0000);
+
+	/* Wait at least 1 ms */
+	msleep(1);
+
+	/* Power down setting 2 */
+	ret |= ltv350qv_write_reg(lcd, LTV_PWRCTL1, LTV_VCOM_DISABLE);
+
+	/*
+	 * No point in trying to recover here. If we can't switch the
+	 * panel off, what are we supposed to do other than inform the
+	 * user about the failure?
+	 */
+	if (ret)
+		return -EIO;
+
+	/* Display power should now be OFF */
+	return 0;
+}
+
+static int ltv350qv_power(struct ltv350qv *lcd, int power)
+{
+	int ret = 0;
+
+	if (POWER_IS_ON(power) && !POWER_IS_ON(lcd->power))
+		ret = ltv350qv_power_on(lcd);
+	else if (!POWER_IS_ON(power) && POWER_IS_ON(lcd->power))
+		ret = ltv350qv_power_off(lcd);
+
+	if (!ret)
+		lcd->power = power;
+
+	return ret;
+}
+
+static int ltv350qv_set_power(struct lcd_device *ld, int power)
+{
+	struct ltv350qv *lcd;
+
+	lcd = class_get_devdata(&ld->class_dev);
+	return ltv350qv_power(lcd, power);
+}
+
+static int ltv350qv_get_power(struct lcd_device *ld)
+{
+	struct ltv350qv *lcd;
+
+	lcd = class_get_devdata(&ld->class_dev);
+	return lcd->power;
+}
+
+static struct lcd_ops ltv_ops = {
+	.get_power	= ltv350qv_get_power,
+	.set_power	= ltv350qv_set_power,
+};
+
+static int __devinit ltv350qv_probe(struct spi_device *spi)
+{
+	struct ltv350qv *lcd;
+	struct lcd_device *ld;
+	int ret;
+
+	lcd = kzalloc(sizeof(struct ltv350qv), GFP_KERNEL);
+	if (!lcd)
+		return -ENOMEM;
+
+	lcd->spi = spi;
+	lcd->power = FB_BLANK_POWERDOWN;
+	lcd->buffer = kzalloc(8, GFP_KERNEL);
+
+	ld = lcd_device_register("ltv350qv", lcd, &ltv_ops);
+	if (IS_ERR(ld)) {
+		ret = PTR_ERR(ld);
+		goto out_free_lcd;
+	}
+	lcd->ld = ld;
+
+	ret = ltv350qv_power(lcd, FB_BLANK_UNBLANK);
+	if (ret)
+		goto out_unregister;
+
+	dev_set_drvdata(&spi->dev, lcd);
+
+	return 0;
+
+out_unregister:
+	lcd_device_unregister(ld);
+out_free_lcd:
+	kfree(lcd);
+	return ret;
+}
+
+static int __devexit ltv350qv_remove(struct spi_device *spi)
+{
+	struct ltv350qv *lcd = dev_get_drvdata(&spi->dev);
+
+	ltv350qv_power(lcd, FB_BLANK_POWERDOWN);
+	lcd_device_unregister(lcd->ld);
+	kfree(lcd);
+
+	return 0;
+}
+
+#ifdef CONFIG_PM
+static int ltv350qv_suspend(struct spi_device *spi,
+			    pm_message_t state, u32 level)
+{
+	struct ltv350qv *lcd = dev_get_drvdata(&spi->dev);
+
+	if (level == SUSPEND_POWER_DOWN)
+		return ltv350qv_power(lcd, FB_BLANK_POWERDOWN);
+
+	return 0;
+}
+
+static int ltv350qv_resume(struct spi_device *spi, u32 level)
+{
+	struct ltv350qv *lcd = dev_get_drvdata(&spi->dev);
+
+	if (level == RESUME_POWER_ON)
+		return ltv350qv_power(lcd, FB_BLANK_UNBLANK);
+
+	return 0;
+}
+#else
+#define ltv350qv_suspend	NULL
+#define ltv350qv_resume		NULL
+#endif
+
+/* Power down all displays on reboot, poweroff or halt */
+static void ltv350qv_shutdown(struct spi_device *spi)
+{
+	struct ltv350qv *lcd = dev_get_drvdata(&spi->dev);
+
+	ltv350qv_power(lcd, FB_BLANK_POWERDOWN);
+}
+
+static struct spi_driver ltv350qv_driver = {
+	.driver = {
+		.name		= "ltv350qv",
+		.bus		= &spi_bus_type,
+		.owner		= THIS_MODULE,
+	},
+
+	.probe		= ltv350qv_probe,
+	.remove		= __devexit_p(ltv350qv_remove),
+	.shutdown	= ltv350qv_shutdown,
+	.suspend	= ltv350qv_suspend,
+	.resume		= ltv350qv_resume,
+};
+
+static int __init ltv350qv_init(void)
+{
+	return spi_register_driver(&ltv350qv_driver);
+}
+
+static void __exit ltv350qv_exit(void)
+{
+	spi_unregister_driver(&ltv350qv_driver);
+}
+module_init(ltv350qv_init);
+module_exit(ltv350qv_exit);
+
+MODULE_AUTHOR("Haavard Skinnemoen <hskinnemoen@atmel.com>");
+MODULE_DESCRIPTION("Samsung LTV350QV LCD Driver");
+MODULE_LICENSE("GPL");
diff -x .git -Nur linux-2.6.22.1/drivers/video/backlight/ltv350qv.h linux-avr32.git/drivers/video/backlight/ltv350qv.h
--- linux-2.6.22.1/drivers/video/backlight/ltv350qv.h	1970-01-01 01:00:00.000000000 +0100
+++ linux-avr32.git/drivers/video/backlight/ltv350qv.h	2007-06-06 11:34:00.000000000 +0200
@@ -0,0 +1,95 @@
+/*
+ * Register definitions for Samsung LTV350QV Quarter VGA LCD Panel
+ *
+ * Copyright (C) 2006, 2007 Atmel Corporation
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+#ifndef __LTV350QV_H
+#define __LTV350QV_H
+
+#define LTV_OPC_INDEX	0x74
+#define LTV_OPC_DATA	0x76
+
+#define LTV_ID		0x00		/* ID Read */
+#define LTV_IFCTL	0x01		/* Display Interface Control */
+#define LTV_DATACTL	0x02		/* Display Data Control */
+#define LTV_ENTRY_MODE	0x03		/* Entry Mode */
+#define LTV_GATECTL1	0x04		/* Gate Control 1 */
+#define LTV_GATECTL2	0x05		/* Gate Control 2 */
+#define LTV_VBP		0x06		/* Vertical Back Porch */
+#define LTV_HBP		0x07		/* Horizontal Back Porch */
+#define LTV_SOTCTL	0x08		/* Source Output Timing Control */
+#define LTV_PWRCTL1	0x09		/* Power Control 1 */
+#define LTV_PWRCTL2	0x0a		/* Power Control 2 */
+#define LTV_GAMMA(x)	(0x10 + (x))	/* Gamma control */
+
+/* Bit definitions for LTV_IFCTL */
+#define LTV_IM			(1 << 15)
+#define LTV_NMD			(1 << 14)
+#define LTV_SSMD		(1 << 13)
+#define LTV_REV			(1 <<  7)
+#define LTV_NL(x)		(((x) & 0x001f) << 0)
+
+/* Bit definitions for LTV_DATACTL */
+#define LTV_DS_SAME		(0 << 12)
+#define LTV_DS_D_TO_S		(1 << 12)
+#define LTV_DS_S_TO_D		(2 << 12)
+#define LTV_CHS_384		(0 <<  9)
+#define LTV_CHS_480		(1 <<  9)
+#define LTV_CHS_492		(2 <<  9)
+#define LTV_DF_RGB		(0 <<  6)
+#define LTV_DF_RGBX		(1 <<  6)
+#define LTV_DF_XRGB		(2 <<  6)
+#define LTV_RGB_RGB		(0 <<  2)
+#define LTV_RGB_BGR		(1 <<  2)
+#define LTV_RGB_GRB		(2 <<  2)
+#define LTV_RGB_RBG		(3 <<  2)
+
+/* Bit definitions for LTV_ENTRY_MODE */
+#define LTV_VSPL_ACTIVE_LOW	(0 << 15)
+#define LTV_VSPL_ACTIVE_HIGH	(1 << 15)
+#define LTV_HSPL_ACTIVE_LOW	(0 << 14)
+#define LTV_HSPL_ACTIVE_HIGH	(1 << 14)
+#define LTV_DPL_SAMPLE_RISING	(0 << 13)
+#define LTV_DPL_SAMPLE_FALLING	(1 << 13)
+#define LTV_EPL_ACTIVE_LOW	(0 << 12)
+#define LTV_EPL_ACTIVE_HIGH	(1 << 12)
+#define LTV_SS_LEFT_TO_RIGHT	(0 <<  8)
+#define LTV_SS_RIGHT_TO_LEFT	(1 <<  8)
+#define LTV_STB			(1 <<  1)
+
+/* Bit definitions for LTV_GATECTL1 */
+#define LTV_CLW(x)		(((x) & 0x0007) << 12)
+#define LTV_GAON		(1 <<  5)
+#define LTV_SDR			(1 <<  3)
+
+/* Bit definitions for LTV_GATECTL2 */
+#define LTV_NW_INV_FRAME	(0 << 14)
+#define LTV_NW_INV_1LINE	(1 << 14)
+#define LTV_NW_INV_2LINE	(2 << 14)
+#define LTV_DSC			(1 << 12)
+#define LTV_GIF			(1 <<  8)
+#define LTV_FHN			(1 <<  7)
+#define LTV_FTI(x)		(((x) & 0x0003) << 4)
+#define LTV_FWI(x)		(((x) & 0x0003) << 0)
+
+/* Bit definitions for LTV_SOTCTL */
+#define LTV_SDT(x)		(((x) & 0x0007) << 10)
+#define LTV_EQ(x)		(((x) & 0x0007) <<  2)
+
+/* Bit definitions for LTV_PWRCTL1 */
+#define LTV_VCOM_DISABLE	(1 << 14)
+#define LTV_VCOMOUT_ENABLE	(1 << 11)
+#define LTV_POWER_ON		(1 <<  9)
+#define LTV_DRIVE_CURRENT(x)	(((x) & 0x0007) << 4)	/* 0=off, 5=max */
+#define LTV_SUPPLY_CURRENT(x)	(((x) & 0x0007) << 0)	/* 0=off, 5=max */
+
+/* Bit definitions for LTV_PWRCTL2 */
+#define LTV_VCOML_ENABLE	(1 << 13)
+#define LTV_VCOML_VOLTAGE(x)	(((x) & 0x001f) << 8)	/* 0=1V, 31=-1V */
+#define LTV_VCOMH_VOLTAGE(x)	(((x) & 0x001f) << 0)	/* 0=3V, 31=4.5V */
+
+#endif /* __LTV350QV_H */
diff -x .git -Nur linux-2.6.22.1/drivers/video/backlight/Makefile linux-avr32.git/drivers/video/backlight/Makefile
--- linux-2.6.22.1/drivers/video/backlight/Makefile	2007-07-10 20:56:30.000000000 +0200
+++ linux-avr32.git/drivers/video/backlight/Makefile	2007-07-12 14:00:20.000000000 +0200
@@ -1,6 +1,8 @@
 # Backlight & LCD drivers
 
 obj-$(CONFIG_LCD_CLASS_DEVICE)     += lcd.o
+obj-$(CONFIG_LCD_LTV350QV)	+= ltv350qv.o
+
 obj-$(CONFIG_BACKLIGHT_CLASS_DEVICE) += backlight.o
 obj-$(CONFIG_BACKLIGHT_CORGI)	+= corgi_bl.o
 obj-$(CONFIG_BACKLIGHT_HP680)	+= hp680_bl.o
diff -x .git -Nur linux-2.6.22.1/drivers/video/Kconfig linux-avr32.git/drivers/video/Kconfig
--- linux-2.6.22.1/drivers/video/Kconfig	2007-07-10 20:56:30.000000000 +0200
+++ linux-avr32.git/drivers/video/Kconfig	2007-07-12 14:00:20.000000000 +0200
@@ -849,6 +849,16 @@
 	  Say Y if you want to map Frame Buffer in internal SRAM. Say N if you want
 	  to let frame buffer in external SDRAM.
 
+config FB_ATMEL_STN
+	bool "Use a STN display with AT91/AT32 LCD Controller"
+	depends on FB_ATMEL && ARCH_AT91SAM9261
+	default n
+	help
+	  Say Y if you want to connect a STN LCD display to the AT91/AT32 LCD
+	  Controller. Say N if you want to connect a TFT.
+
+	  If unsure, say N.
+
 config FB_NVIDIA
 	tristate "nVidia Framebuffer Support"
 	depends on FB && PCI
diff -x .git -Nur linux-2.6.22.1/include/asm-arm/arch-at91/board.h linux-avr32.git/include/asm-arm/arch-at91/board.h
--- linux-2.6.22.1/include/asm-arm/arch-at91/board.h	2007-07-10 20:56:30.000000000 +0200
+++ linux-avr32.git/include/asm-arm/arch-at91/board.h	2007-07-12 14:00:26.000000000 +0200
@@ -64,6 +64,7 @@
 
  /* Ethernet (EMAC & MACB) */
 struct at91_eth_data {
+	u32		phy_mask;
 	u8		phy_irq_pin;	/* PHY IRQ */
 	u8		is_rmii;	/* using RMII interface? */
 };
diff -x .git -Nur linux-2.6.22.1/include/asm-avr32/arch-at32ap/board.h linux-avr32.git/include/asm-avr32/arch-at32ap/board.h
--- linux-2.6.22.1/include/asm-avr32/arch-at32ap/board.h	2007-07-10 20:56:30.000000000 +0200
+++ linux-avr32.git/include/asm-avr32/arch-at32ap/board.h	2007-07-12 14:00:26.000000000 +0200
@@ -6,6 +6,8 @@
 
 #include <linux/types.h>
 
+#define GPIO_PIN_NONE	(-1)
+
 /* Add basic devices: system manager, interrupt controller, portmuxes, etc. */
 void at32_add_system_devices(void);
 
@@ -21,6 +23,7 @@
 struct platform_device *at32_add_device_usart(unsigned int id);
 
 struct eth_platform_data {
+	u32	phy_mask;
 	u8	is_rmii;
 };
 struct platform_device *
@@ -30,9 +33,41 @@
 struct platform_device *
 at32_add_device_spi(unsigned int id, struct spi_board_info *b, unsigned int n);
 
+struct platform_device *at32_add_device_twi(unsigned int id);
+
+struct mci_platform_data {
+	int detect_pin;
+	int wp_pin;
+};
+struct platform_device *
+at32_add_device_mci(unsigned int id, struct mci_platform_data *data);
+
+struct usba_platform_data {
+	int vbus_pin;
+};
+struct platform_device *
+at32_add_device_usba(unsigned int id, struct usba_platform_data *data);
+
 struct atmel_lcdfb_info;
 struct platform_device *
 at32_add_device_lcdc(unsigned int id, struct atmel_lcdfb_info *data,
 		     unsigned long fbmem_start, unsigned long fbmem_len);
 
+struct platform_device *at32_add_device_ac97c(unsigned int id);
+struct platform_device *at32_add_device_abdac(unsigned int id);
+
+/* depending on what's hooked up, not all SSC pins will be used */
+#define	ATMEL_SSC_TK		0x01
+#define	ATMEL_SSC_TF		0x02
+#define	ATMEL_SSC_TD		0x04
+#define	ATMEL_SSC_TX		(ATMEL_SSC_TK | ATMEL_SSC_TF | ATMEL_SSC_TD)
+
+#define	ATMEL_SSC_RK		0x10
+#define	ATMEL_SSC_RF		0x20
+#define	ATMEL_SSC_RD		0x40
+#define	ATMEL_SSC_RX		(ATMEL_SSC_RK | ATMEL_SSC_RF | ATMEL_SSC_RD)
+
+struct platform_device *
+at32_add_device_ssc(unsigned int id, unsigned int flags);
+
 #endif /* __ASM_ARCH_BOARD_H */
diff -x .git -Nur linux-2.6.22.1/include/asm-avr32/arch-at32ap/portmux.h linux-avr32.git/include/asm-avr32/arch-at32ap/portmux.h
--- linux-2.6.22.1/include/asm-avr32/arch-at32ap/portmux.h	2007-07-10 20:56:30.000000000 +0200
+++ linux-avr32.git/include/asm-avr32/arch-at32ap/portmux.h	2007-07-12 14:00:26.000000000 +0200
@@ -25,4 +25,16 @@
 void at32_select_gpio(unsigned int pin, unsigned long flags);
 void at32_reserve_pin(unsigned int pin);
 
+#ifdef CONFIG_GPIO_DEV
+
+/* Gang allocators and accessors; used by the GPIO /dev driver */
+int at32_gpio_port_is_valid(unsigned int port);
+int at32_select_gpio_pins(unsigned int port, u32 pins, u32 oe_mask);
+void at32_deselect_pins(unsigned int port, u32 pins);
+
+u32 at32_gpio_get_value_multiple(unsigned int port, u32 pins);
+void at32_gpio_set_value_multiple(unsigned int port, u32 value, u32 mask);
+
+#endif /* CONFIG_GPIO_DEV */
+
 #endif /* __ASM_ARCH_PORTMUX_H__ */
diff -x .git -Nur linux-2.6.22.1/include/asm-avr32/arch-at32ap/sm.h linux-avr32.git/include/asm-avr32/arch-at32ap/sm.h
--- linux-2.6.22.1/include/asm-avr32/arch-at32ap/sm.h	2007-07-10 20:56:30.000000000 +0200
+++ linux-avr32.git/include/asm-avr32/arch-at32ap/sm.h	1970-01-01 01:00:00.000000000 +0100
@@ -1,27 +0,0 @@
-/*
- * AT32 System Manager interface.
- *
- * Copyright (C) 2006 Atmel Corporation
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- */
-#ifndef __ASM_AVR32_AT32_SM_H__
-#define __ASM_AVR32_AT32_SM_H__
-
-struct irq_chip;
-struct platform_device;
-
-struct at32_sm {
-	spinlock_t lock;
-	void __iomem *regs;
-	struct irq_chip *eim_chip;
-	unsigned int eim_first_irq;
-	struct platform_device *pdev;
-};
-
-extern struct platform_device at32_sm_device;
-extern struct at32_sm system_manager;
-
-#endif /* __ASM_AVR32_AT32_SM_H__ */
diff -x .git -Nur linux-2.6.22.1/include/asm-avr32/dma-controller.h linux-avr32.git/include/asm-avr32/dma-controller.h
--- linux-2.6.22.1/include/asm-avr32/dma-controller.h	1970-01-01 01:00:00.000000000 +0100
+++ linux-avr32.git/include/asm-avr32/dma-controller.h	2007-06-06 11:34:11.000000000 +0200
@@ -0,0 +1,166 @@
+/*
+ * Copyright (C) 2005-2006 Atmel Corporation
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+#ifndef __ASM_AVR32_DMA_CONTROLLER_H
+#define __ASM_AVR32_DMA_CONTROLLER_H
+
+#include <linux/device.h>
+
+#define DMA_DIR_MEM_TO_MEM		0x0000
+#define DMA_DIR_MEM_TO_PERIPH		0x0001
+#define DMA_DIR_PERIPH_TO_MEM		0x0002
+#define DMA_DIR_PERIPH_TO_PERIPH	0x0003
+
+#define DMA_WIDTH_8BIT			0
+#define DMA_WIDTH_16BIT			1
+#define DMA_WIDTH_32BIT			2
+
+struct dma_request {
+	struct dma_controller *dmac;
+	struct list_head list;
+
+	unsigned short channel;
+
+	void (*xfer_complete)(struct dma_request *req);
+	void (*block_complete)(struct dma_request *req);
+	void (*error)(struct dma_request *req);
+};
+
+struct dma_request_sg {
+	struct dma_request req;
+
+	int nr_sg;
+	struct scatterlist *sg;
+	unsigned long block_size;
+	unsigned int nr_blocks;
+
+	dma_addr_t data_reg;
+	unsigned short periph_id;
+
+	unsigned char direction;
+	unsigned char width;
+};
+#define to_dma_request_sg(_req)				\
+	container_of(_req, struct dma_request_sg, req)
+
+struct dma_request_cyclic {
+	struct dma_request req;
+
+        int periods;
+	unsigned long buffer_size;
+
+        dma_addr_t buffer_start;
+	dma_addr_t data_reg;
+
+	unsigned short periph_id;
+	unsigned char direction;
+	unsigned char width;
+
+        void *dev_id;
+};
+#define to_dma_request_cyclic(_req)				\
+	container_of(_req, struct dma_request_cyclic, req)
+
+struct dma_request_memcpy {
+	struct dma_request req;
+
+	dma_addr_t src_addr;
+	unsigned int src_width;
+	unsigned int src_stride;
+
+	dma_addr_t dst_addr;
+	unsigned int dst_width;
+	unsigned int dst_stride;
+
+	size_t length;
+
+	unsigned short src_reverse:1;
+	unsigned short dst_reverse:1;
+};
+#define to_dma_request_memcpy(_req)				\
+	container_of(_req, struct dma_request_memcpy, req)
+
+struct dma_controller {
+	struct list_head list;
+	int id;
+	struct device *dev;
+
+	int (*alloc_channel)(struct dma_controller *dmac);
+	void (*release_channel)(struct dma_controller *dmac,
+				int channel);
+	int (*prepare_request_sg)(struct dma_controller *dmac,
+				  struct dma_request_sg *req);
+        int (*prepare_request_cyclic)(struct dma_controller *dmac,
+				      struct dma_request_cyclic *req);
+	int (*prepare_request_memcpy)(struct dma_controller *dmac,
+				      struct dma_request_memcpy *req);
+	int (*start_request)(struct dma_controller *dmac,
+			     unsigned int channel);
+	int (*stop_request)(struct dma_controller *dmac,
+                            unsigned int channel);
+        dma_addr_t (*get_current_pos)(struct dma_controller *dmac,
+                                      unsigned int channel);
+};
+
+static inline int
+dma_alloc_channel(struct dma_controller *dmac)
+{
+	return dmac->alloc_channel(dmac);
+}
+
+static inline void
+dma_release_channel(struct dma_controller *dmac, int chan)
+{
+	dmac->release_channel(dmac, chan);
+}
+
+static inline int
+dma_prepare_request_sg(struct dma_controller *dmac,
+		       struct dma_request_sg *req)
+{
+	return dmac->prepare_request_sg(dmac, req);
+}
+
+static inline int
+dma_prepare_request_cyclic(struct dma_controller *dmac,
+			   struct dma_request_cyclic *req)
+{
+	return dmac->prepare_request_cyclic(dmac, req);
+}
+
+static inline int
+dma_prepare_request_memcpy(struct dma_controller *dmac,
+			   struct dma_request_memcpy *req)
+{
+	return dmac->prepare_request_memcpy(dmac, req);
+}
+
+static inline int
+dma_start_request(struct dma_controller *dmac,
+		  unsigned int channel)
+{
+	return dmac->start_request(dmac, channel);
+}
+
+static inline int
+dma_stop_request(struct dma_controller *dmac,
+                 unsigned int channel)
+{
+	return dmac->stop_request(dmac, channel);
+}
+
+static inline dma_addr_t
+dma_get_current_pos(struct dma_controller *dmac,
+                    unsigned int channel)
+{
+	return dmac->get_current_pos(dmac, channel);
+}
+
+extern int register_dma_controller(struct dma_controller *dmac);
+extern struct dma_controller *find_dma_controller(int id);
+
+#endif /* __ASM_AVR32_DMA_CONTROLLER_H */
diff -x .git -Nur linux-2.6.22.1/include/asm-avr32/unaligned.h linux-avr32.git/include/asm-avr32/unaligned.h
--- linux-2.6.22.1/include/asm-avr32/unaligned.h	2007-07-10 20:56:30.000000000 +0200
+++ linux-avr32.git/include/asm-avr32/unaligned.h	2007-07-12 14:00:26.000000000 +0200
@@ -7,19 +7,10 @@
  * words, but halfwords must be halfword-aligned, and doublewords must
  * be word-aligned.
  *
- * TODO: Make all this CPU-specific and optimize.
+ * However, swapped word loads must be word-aligned so we can't
+ * optimize word loads in general.
  */
 
-#include <linux/string.h>
-
-/* Use memmove here, so gcc does not insert a __builtin_memcpy. */
-
-#define get_unaligned(ptr) \
-  ({ __typeof__(*(ptr)) __tmp; memmove(&__tmp, (ptr), sizeof(*(ptr))); __tmp; })
-
-#define put_unaligned(val, ptr)				\
-  ({ __typeof__(*(ptr)) __tmp = (val);			\
-     memmove((ptr), &__tmp, sizeof(*(ptr)));		\
-     (void)0; })
+#include <asm-generic/unaligned.h>
 
 #endif /* __ASM_AVR32_UNALIGNED_H */
diff -x .git -Nur linux-2.6.22.1/include/linux/gpio_mouse.h linux-avr32.git/include/linux/gpio_mouse.h
--- linux-2.6.22.1/include/linux/gpio_mouse.h	1970-01-01 01:00:00.000000000 +0100
+++ linux-avr32.git/include/linux/gpio_mouse.h	2007-07-13 11:24:16.000000000 +0200
@@ -0,0 +1,61 @@
+/*
+ * Driver for simulating a mouse on GPIO lines.
+ *
+ * Copyright (C) 2007 Atmel Corporation
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#ifndef _GPIO_MOUSE_H
+#define _GPIO_MOUSE_H
+
+#define GPIO_MOUSE_POLARITY_ACT_HIGH	0x00
+#define GPIO_MOUSE_POLARITY_ACT_LOW	0x01
+
+#define GPIO_MOUSE_PIN_UP	0
+#define GPIO_MOUSE_PIN_DOWN	1
+#define GPIO_MOUSE_PIN_LEFT	2
+#define GPIO_MOUSE_PIN_RIGHT	3
+#define GPIO_MOUSE_PIN_BLEFT	4
+#define GPIO_MOUSE_PIN_BMIDDLE	5
+#define GPIO_MOUSE_PIN_BRIGHT	6
+#define GPIO_MOUSE_PIN_MAX	7
+
+/**
+ * struct gpio_mouse_platform_data
+ * @scan_ms: integer in ms specifying the scan periode.
+ * @polarity: Pin polarity, active high or low.
+ * @up: GPIO line for up value.
+ * @down: GPIO line for down value.
+ * @left: GPIO line for left value.
+ * @right: GPIO line for right value.
+ * @bleft: GPIO line for left button.
+ * @bmiddle: GPIO line for middle button.
+ * @bright: GPIO line for right button.
+ *
+ * This struct must be added to the platform_device in the board code.
+ * It is used by the gpio_mouse driver to setup GPIO lines and to
+ * calculate mouse movement.
+ */
+struct gpio_mouse_platform_data {
+	int scan_ms;
+	int polarity;
+
+	union {
+		struct {
+			int up;
+			int down;
+			int left;
+			int right;
+
+			int bleft;
+			int bmiddle;
+			int bright;
+		};
+		int pins[GPIO_MOUSE_PIN_MAX];
+	};
+};
+
+#endif /* _GPIO_MOUSE_H */
diff -x .git -Nur linux-2.6.22.1/include/linux/leds.h linux-avr32.git/include/linux/leds.h
--- linux-2.6.22.1/include/linux/leds.h	2007-07-10 20:56:30.000000000 +0200
+++ linux-avr32.git/include/linux/leds.h	2007-07-12 14:00:30.000000000 +0200
@@ -110,4 +110,18 @@
 #define ledtrig_ide_activity() do {} while(0)
 #endif
 
+/* For the leds-gpio driver */
+struct gpio_led {
+	const char *name;
+	char *default_trigger;
+	unsigned 	gpio;
+	u8 		active_low;
+};
+
+struct gpio_led_platform_data {
+	int 		num_leds;
+	struct gpio_led *leds;
+};
+
+
 #endif		/* __LINUX_LEDS_H_INCLUDED */
diff -x .git -Nur linux-2.6.22.1/include/linux/usb/gadgetfs.h linux-avr32.git/include/linux/usb/gadgetfs.h
--- linux-2.6.22.1/include/linux/usb/gadgetfs.h	1970-01-01 01:00:00.000000000 +0100
+++ linux-avr32.git/include/linux/usb/gadgetfs.h	2007-07-12 14:00:31.000000000 +0200
@@ -0,0 +1,81 @@
+#ifndef __LINUX_USB_GADGETFS_H
+#define __LINUX_USB_GADGETFS_H
+
+#include <asm/types.h>
+#include <asm/ioctl.h>
+
+#include <linux/usb/ch9.h>
+
+/*
+ * Filesystem based user-mode API to USB Gadget controller hardware
+ *
+ * Other than ep0 operations, most things are done by read() and write()
+ * on endpoint files found in one directory.  They are configured by
+ * writing descriptors, and then may be used for normal stream style
+ * i/o requests.  When ep0 is configured, the device can enumerate;
+ * when it's closed, the device disconnects from usb.  Operations on
+ * ep0 require ioctl() operations.
+ *
+ * Configuration and device descriptors get written to /dev/gadget/$CHIP,
+ * which may then be used to read usb_gadgetfs_event structs.  The driver
+ * may activate endpoints as it handles SET_CONFIGURATION setup events,
+ * or earlier; writing endpoint descriptors to /dev/gadget/$ENDPOINT
+ * then performing data transfers by reading or writing.
+ */
+
+/*
+ * Events are delivered on the ep0 file descriptor, when the user mode driver
+ * reads from this file descriptor after writing the descriptors.  Don't
+ * stop polling this descriptor.
+ */
+
+enum usb_gadgetfs_event_type {
+	GADGETFS_NOP = 0,
+
+	GADGETFS_CONNECT,
+	GADGETFS_DISCONNECT,
+	GADGETFS_SETUP,
+	GADGETFS_SUSPEND,
+	// and likely more !
+};
+
+/* NOTE:  this structure must stay the same size and layout on
+ * both 32-bit and 64-bit kernels.
+ */
+struct usb_gadgetfs_event {
+	union {
+		// NOP, DISCONNECT, SUSPEND: nothing
+		// ... some hardware can't report disconnection
+
+		// CONNECT: just the speed
+		enum usb_device_speed	speed;
+
+		// SETUP: packet; DATA phase i/o precedes next event
+		// (setup.bmRequestType & USB_DIR_IN) flags direction
+		// ... includes SET_CONFIGURATION, SET_INTERFACE
+		struct usb_ctrlrequest	setup;
+	} u;
+	enum usb_gadgetfs_event_type	type;
+};
+
+
+/* endpoint ioctls */
+
+/* IN transfers may be reported to the gadget driver as complete
+ *	when the fifo is loaded, before the host reads the data;
+ * OUT transfers may be reported to the host's "client" driver as
+ *	complete when they're sitting in the FIFO unread.
+ * THIS returns how many bytes are "unclaimed" in the endpoint fifo
+ * (needed for precise fault handling, when the hardware allows it)
+ */
+#define	GADGETFS_FIFO_STATUS	_IO('g',1)
+
+/* discards any unclaimed data in the fifo. */
+#define	GADGETFS_FIFO_FLUSH	_IO('g',2)
+
+/* resets endpoint halt+toggle; used to implement set_interface.
+ * some hardware (like pxa2xx) can't support this.
+ */
+#define	GADGETFS_CLEAR_HALT	_IO('g',3)
+
+#endif /* __LINUX_USB_GADGETFS_H */
diff -x .git -Nur linux-2.6.22.1/include/linux/usb/Kbuild linux-avr32.git/include/linux/usb/Kbuild
--- linux-2.6.22.1/include/linux/usb/Kbuild	2007-07-10 20:56:30.000000000 +0200
+++ linux-avr32.git/include/linux/usb/Kbuild	2007-07-12 14:00:31.000000000 +0200
@@ -1,5 +1,6 @@
 unifdef-y += audio.h
 unifdef-y += cdc.h
 unifdef-y += ch9.h
+unifdef-y += gadgetfs.h
 unifdef-y += midi.h
 
diff -x .git -Nur linux-2.6.22.1/include/linux/usb_gadgetfs.h linux-avr32.git/include/linux/usb_gadgetfs.h
--- linux-2.6.22.1/include/linux/usb_gadgetfs.h	2007-07-10 20:56:30.000000000 +0200
+++ linux-avr32.git/include/linux/usb_gadgetfs.h	1970-01-01 01:00:00.000000000 +0100
@@ -1,75 +0,0 @@
-
-#include <asm/types.h>
-#include <asm/ioctl.h>
-
-#include <linux/usb/ch9.h>
-
-/*
- * Filesystem based user-mode API to USB Gadget controller hardware
- *
- * Almost everything can be done with only read and write operations,
- * on endpoint files found in one directory.  They are configured by
- * writing descriptors, and then may be used for normal stream style
- * i/o requests.  When ep0 is configured, the device can enumerate;
- * when it's closed, the device disconnects from usb.
- *
- * Configuration and device descriptors get written to /dev/gadget/$CHIP,
- * which may then be used to read usb_gadgetfs_event structs.  The driver
- * may activate endpoints as it handles SET_CONFIGURATION setup events,
- * or earlier; writing endpoint descriptors to /dev/gadget/$ENDPOINT
- * then performing data transfers by reading or writing.
- */
-
-/*
- * Events are delivered on the ep0 file descriptor, if the user mode driver
- * reads from this file descriptor after writing the descriptors.  Don't
- * stop polling this descriptor, if you write that kind of driver.
- */
-
-enum usb_gadgetfs_event_type {
-	GADGETFS_NOP = 0,
-
-	GADGETFS_CONNECT,
-	GADGETFS_DISCONNECT,
-	GADGETFS_SETUP,
-	GADGETFS_SUSPEND,
-	// and likely more !
-};
-
-struct usb_gadgetfs_event {
-	enum usb_gadgetfs_event_type	type;
-	union {
-		// NOP, DISCONNECT, SUSPEND: nothing
-		// ... some hardware can't report disconnection
-
-		// CONNECT: just the speed
-		enum usb_device_speed	speed;
-
-		// SETUP: packet; DATA phase i/o precedes next event
-		// (setup.bmRequestType & USB_DIR_IN) flags direction 
-		// ... includes SET_CONFIGURATION, SET_INTERFACE
-		struct usb_ctrlrequest	setup;
-	} u;
-};
-
-
-/* endpoint ioctls */
-
-/* IN transfers may be reported to the gadget driver as complete
- * 	when the fifo is loaded, before the host reads the data;
- * OUT transfers may be reported to the host's "client" driver as
- * 	complete when they're sitting in the FIFO unread.
- * THIS returns how many bytes are "unclaimed" in the endpoint fifo
- * (needed for precise fault handling, when the hardware allows it)
- */
-#define	GADGETFS_FIFO_STATUS	_IO('g',1)
-
-/* discards any unclaimed data in the fifo. */
-#define	GADGETFS_FIFO_FLUSH	_IO('g',2)
-
-/* resets endpoint halt+toggle; used to implement set_interface.
- * some hardware (like pxa2xx) can't support this.
- */
-#define	GADGETFS_CLEAR_HALT	_IO('g',3)
-
-
diff -x .git -Nur linux-2.6.22.1/init/do_mounts.c linux-avr32.git/init/do_mounts.c
--- linux-2.6.22.1/init/do_mounts.c	2007-07-10 20:56:30.000000000 +0200
+++ linux-avr32.git/init/do_mounts.c	2007-07-12 14:00:31.000000000 +0200
@@ -25,6 +25,7 @@
 int root_mountflags = MS_RDONLY | MS_SILENT;
 char * __initdata root_device_name;
 static char __initdata saved_root_name[64];
+int __initdata root_wait;
 
 dev_t ROOT_DEV;
 
@@ -216,6 +217,14 @@
 
 __setup("root=", root_dev_setup);
 
+static int __init rootwait_setup(char *line)
+{
+	root_wait = simple_strtol(line,NULL,0);
+	return 1;
+}
+
+__setup("rootwait=", rootwait_setup);
+
 static char * __initdata root_mount_data;
 static int __init root_data_setup(char *str)
 {
@@ -438,11 +447,24 @@
 			root_device_name += 5;
 	}
 
-	is_floppy = MAJOR(ROOT_DEV) == FLOPPY_MAJOR;
-
 	if (initrd_load())
 		goto out;
 
+	/* wait for any asynchronous scanning to complete */
+	if ((ROOT_DEV == 0) && root_wait) {
+		printk(KERN_INFO "Waiting for root device %s...\n",
+			saved_root_name);
+		do {
+			while (driver_probe_done() != 0)
+				msleep(100);
+			ROOT_DEV = name_to_dev_t(saved_root_name);
+			if (ROOT_DEV == 0)
+				msleep(100);
+		} while (ROOT_DEV == 0);
+	}
+
+	is_floppy = MAJOR(ROOT_DEV) == FLOPPY_MAJOR;
+
 	if (is_floppy && rd_doload && rd_load_disk(0))
 		ROOT_DEV = Root_RAM0;
 
diff -x .git -Nur linux-2.6.22.1/MAINTAINERS linux-avr32.git/MAINTAINERS
--- linux-2.6.22.1/MAINTAINERS	2007-07-10 20:56:30.000000000 +0200
+++ linux-avr32.git/MAINTAINERS	2007-07-12 13:59:48.000000000 +0200
@@ -674,6 +674,13 @@
 M:	hskinnemoen@atmel.com
 S:	Supported
 
+ATMEL USBA UDC DRIVER
+P:	Haavard Skinnemoen
+M:	hskinnemoen@atmel.com
+L:	kernel@avr32linux.org
+W:	http://avr32linux.org/twiki/bin/view/Main/AtmelUsbDeviceDriver
+S:	Supported
+
 ATMEL WIRELESS DRIVER
 P:	Simon Kelley
 M:	simon@thekelleys.org.uk
diff -x .git -Nur linux-2.6.22.1/scripts/checkstack.pl linux-avr32.git/scripts/checkstack.pl
--- linux-2.6.22.1/scripts/checkstack.pl	2007-07-10 20:56:30.000000000 +0200
+++ linux-avr32.git/scripts/checkstack.pl	2007-06-06 11:34:14.000000000 +0200
@@ -12,6 +12,7 @@
 #	sh64 port by Paul Mundt
 #	Random bits by Matt Mackall <mpm@selenic.com>
 #	M68k port by Geert Uytterhoeven and Andreas Schwab
+#	AVR32 port by Haavard Skinnemoen <hskinnemoen@atmel.com>
 #
 #	Usage:
 #	objdump -d vmlinux | stackcheck.pl [arch]
@@ -37,6 +38,10 @@
 	if ($arch eq 'arm') {
 		#c0008ffc:	e24dd064	sub	sp, sp, #100	; 0x64
 		$re = qr/.*sub.*sp, sp, #(([0-9]{2}|[3-9])[0-9]{2})/o;
+	} elsif ($arch eq 'avr32') {
+		#8000008a:       20 1d           sub sp,4
+		#80000ca8:       fa cd 05 b0     sub sp,sp,1456
+		$re = qr/^.*sub.*sp.*,([0-9]{1,8})/o;
 	} elsif ($arch =~ /^i[3456]86$/) {
 		#c0105234:       81 ec ac 05 00 00       sub    $0x5ac,%esp
 		$re = qr/^.*[as][du][db]    \$(0x$x{1,8}),\%esp$/o;