path: root/target/linux/ixp4xx/patches-2.6.36/190-cambria_support.patch

--- /dev/null
+++ b/arch/arm/mach-ixp4xx/cambria-pci.c
@@ -0,0 +1,74 @@
+/*
+ * arch/arch/mach-ixp4xx/cambria-pci.c
+ *
+ * PCI setup routines for Gateworks Cambria series
+ *
+ * Copyright (C) 2008 Imre Kaloz <kaloz@openwrt.org>
+ *
+ * based on coyote-pci.c:
+ *	Copyright (C) 2002 Jungo Software Technologies.
+ *	Copyright (C) 2003 MontaVista Softwrae, Inc.
+ *
+ * Maintainer: Imre Kaloz <kaloz@openwrt.org>
+ *
+ * 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/pci.h>
+#include <linux/init.h>
+#include <linux/irq.h>
+
+#include <asm/mach-types.h>
+#include <mach/hardware.h>
+#include <asm/irq.h>
+
+#include <asm/mach/pci.h>
+
+extern void ixp4xx_pci_preinit(void);
+extern int ixp4xx_setup(int nr, struct pci_sys_data *sys);
+extern struct pci_bus *ixp4xx_scan_bus(int nr, struct pci_sys_data *sys);
+
+void __init cambria_pci_preinit(void)
+{
+	set_irq_type(IRQ_IXP4XX_GPIO11, IRQ_TYPE_LEVEL_LOW);
+	set_irq_type(IRQ_IXP4XX_GPIO10, IRQ_TYPE_LEVEL_LOW);
+	set_irq_type(IRQ_IXP4XX_GPIO9, IRQ_TYPE_LEVEL_LOW);
+	set_irq_type(IRQ_IXP4XX_GPIO8, IRQ_TYPE_LEVEL_LOW);
+
+	ixp4xx_pci_preinit();
+}
+
+static int __init cambria_map_irq(struct pci_dev *dev, u8 slot, u8 pin)
+{
+	if (slot == 1)
+		return IRQ_IXP4XX_GPIO11;
+	else if (slot == 2)
+		return IRQ_IXP4XX_GPIO10;
+	else if (slot == 3)
+		return IRQ_IXP4XX_GPIO9;
+	else if (slot == 4)
+		return IRQ_IXP4XX_GPIO8;
+	else return -1;
+}
+
+struct hw_pci cambria_pci __initdata = {
+	.nr_controllers = 1,
+	.preinit =        cambria_pci_preinit,
+	.swizzle =        pci_std_swizzle,
+	.setup =          ixp4xx_setup,
+	.scan =           ixp4xx_scan_bus,
+	.map_irq =        cambria_map_irq,
+};
+
+int __init cambria_pci_init(void)
+{
+	if (machine_is_cambria())
+		pci_common_init(&cambria_pci);
+	return 0;
+}
+
+subsys_initcall(cambria_pci_init);
--- /dev/null
+++ b/arch/arm/mach-ixp4xx/cambria-setup.c
@@ -0,0 +1,429 @@
+/*
+ * arch/arm/mach-ixp4xx/cambria-setup.c
+ *
+ * Board setup for the Gateworks Cambria series
+ *
+ * Copyright (C) 2008 Imre Kaloz <kaloz@openwrt.org>
+ *
+ * based on coyote-setup.c:
+ *      Copyright (C) 2003-2005 MontaVista Software, Inc.
+ *
+ * Author: Imre Kaloz <kaloz@openwrt.org>
+ */
+
+#include <linux/device.h>
+#include <linux/i2c.h>
+#include <linux/i2c-gpio.h>
+#include <linux/i2c/at24.h>
+#include <linux/if_ether.h>
+#include <linux/init.h>
+#include <linux/kernel.h>
+#include <linux/leds.h>
+#include <linux/memory.h>
+#include <linux/netdevice.h>
+#include <linux/serial.h>
+#include <linux/serial_8250.h>
+#include <linux/slab.h>
+#include <linux/socket.h>
+#include <linux/types.h>
+#include <linux/tty.h>
+
+#include <mach/hardware.h>
+#include <asm/irq.h>
+#include <asm/mach-types.h>
+#include <asm/mach/arch.h>
+#include <asm/mach/flash.h>
+#include <asm/setup.h>
+
+struct cambria_board_info {
+	unsigned char	*model;
+	void		(*setup)(void);
+};
+
+static struct cambria_board_info *cambria_info __initdata;
+
+static struct flash_platform_data cambria_flash_data = {
+	.map_name	= "cfi_probe",
+	.width		= 2,
+};
+
+static struct resource cambria_flash_resource = {
+	.flags		= IORESOURCE_MEM,
+};
+
+static struct platform_device cambria_flash = {
+	.name		= "IXP4XX-Flash",
+	.id		= 0,
+	.dev		= {
+		.platform_data = &cambria_flash_data,
+	},
+	.num_resources	= 1,
+	.resource	= &cambria_flash_resource,
+};
+
+static struct i2c_gpio_platform_data cambria_i2c_gpio_data = {
+	.sda_pin	= 7,
+	.scl_pin	= 6,
+};
+
+static struct platform_device cambria_i2c_gpio = {
+	.name		= "i2c-gpio",
+	.id		= 0,
+	.dev = {
+		.platform_data	= &cambria_i2c_gpio_data,
+	},
+};
+
+static struct eth_plat_info cambria_npec_data = {
+	.phy		= 1,
+	.rxq		= 4,
+	.txreadyq	= 21,
+};
+
+static struct eth_plat_info cambria_npea_data = {
+	.phy		= 2,
+	.rxq		= 2,
+	.txreadyq	= 19,
+};
+
+static struct platform_device cambria_npec_device = {
+	.name			= "ixp4xx_eth",
+	.id			= IXP4XX_ETH_NPEC,
+	.dev.platform_data	= &cambria_npec_data,
+};
+
+static struct platform_device cambria_npea_device = {
+	.name			= "ixp4xx_eth",
+	.id			= IXP4XX_ETH_NPEA,
+	.dev.platform_data	= &cambria_npea_data,
+};
+
+static struct resource cambria_uart_resource = {
+	.start	= IXP4XX_UART1_BASE_PHYS,
+	.end	= IXP4XX_UART1_BASE_PHYS + 0x0fff,
+	.flags	= IORESOURCE_MEM,
+};
+
+static struct plat_serial8250_port cambria_uart_data[] = {
+	{
+		.mapbase	= IXP4XX_UART1_BASE_PHYS,
+		.membase	= (char *)IXP4XX_UART1_BASE_VIRT + REG_OFFSET,
+		.irq		= IRQ_IXP4XX_UART1,
+		.flags		= UPF_BOOT_AUTOCONF | UPF_SKIP_TEST,
+		.iotype		= UPIO_MEM,
+		.regshift	= 2,
+		.uartclk	= IXP4XX_UART_XTAL,
+	},
+	{ },
+};
+
+static struct platform_device cambria_uart = {
+	.name		= "serial8250",
+	.id		= PLAT8250_DEV_PLATFORM,
+	.dev = {
+		.platform_data	= cambria_uart_data,
+	},
+	.num_resources	= 1,
+	.resource	= &cambria_uart_resource,
+};
+
+static struct resource cambria_pata_resources[] = {
+	{
+		.flags	= IORESOURCE_MEM
+	},
+	{
+		.flags	= IORESOURCE_MEM,
+	},
+	{
+		.name	= "intrq",
+		.start	= IRQ_IXP4XX_GPIO12,
+		.end	= IRQ_IXP4XX_GPIO12,
+		.flags	= IORESOURCE_IRQ,
+	},
+};
+
+static struct ixp4xx_pata_data cambria_pata_data = {
+	.cs0_bits	= 0xbfff3c03,
+	.cs1_bits	= 0xbfff3c03,
+};
+
+static struct platform_device cambria_pata = {
+	.name			= "pata_ixp4xx_cf",
+	.id			= 0,
+	.dev.platform_data      = &cambria_pata_data,
+	.num_resources		= ARRAY_SIZE(cambria_pata_resources),
+	.resource		= cambria_pata_resources,
+};
+
+static struct gpio_led cambria_gpio_leds[] = {
+	{
+		.name		= "user",  /* green led */
+		.gpio		= 5,
+		.active_low 	= 1,
+	}
+};
+
+static struct gpio_led_platform_data cambria_gpio_leds_data = {
+	.num_leds	= 1,
+	.leds		= cambria_gpio_leds,
+};
+
+static struct platform_device cambria_gpio_leds_device = {
+	.name		= "leds-gpio",
+	.id		= -1,
+	.dev.platform_data = &cambria_gpio_leds_data,
+};
+
+static struct latch_led cambria_latch_leds[] = {
+	{
+		.name	= "ledA",  /* green led */
+		.bit	= 0,
+	},
+	{
+		.name	= "ledB",  /* green led */
+		.bit	= 1,
+	},
+	{
+		.name	= "ledC",  /* green led */
+		.bit	= 2,
+	},
+	{
+		.name	= "ledD",  /* green led */
+		.bit	= 3,
+	},
+	{
+		.name	= "ledE",  /* green led */
+		.bit	= 4,
+	},
+	{
+		.name	= "ledF",  /* green led */
+		.bit	= 5,
+	},
+	{
+		.name	= "ledG",  /* green led */
+		.bit	= 6,
+	},
+	{
+		.name	= "ledH",  /* green led */
+		.bit	= 7,
+	}
+};
+
+static struct latch_led_platform_data cambria_latch_leds_data = {
+	.num_leds	= 8,
+	.leds		= cambria_latch_leds,
+	.mem		= 0x53F40000,
+};
+
+static struct platform_device cambria_latch_leds_device = {
+	.name		= "leds-latch",
+	.id		= -1,
+	.dev.platform_data = &cambria_latch_leds_data,
+};
+
+static struct resource cambria_usb0_resources[] = {
+	{
+		.start	= 0xCD000000,
+		.end	= 0xCD000300,
+		.flags	= IORESOURCE_MEM,
+	},
+	{
+		.start	= 32,
+		.flags	= IORESOURCE_IRQ,
+	},
+};
+
+static struct resource cambria_usb1_resources[] = {
+	{
+		.start	= 0xCE000000,
+		.end	= 0xCE000300,
+		.flags	= IORESOURCE_MEM,
+	},
+	{
+		.start	= 33,
+		.flags	= IORESOURCE_IRQ,
+	},
+};
+
+static u64 ehci_dma_mask = ~(u32)0;
+
+static struct platform_device cambria_usb0_device =  {
+	.name		= "ixp4xx-ehci",
+	.id		= 0,
+	.resource	= cambria_usb0_resources,
+	.num_resources	= ARRAY_SIZE(cambria_usb0_resources),
+	.dev = {
+		.dma_mask		= &ehci_dma_mask,
+		.coherent_dma_mask	= 0xffffffff,
+	},
+};
+
+static struct platform_device cambria_usb1_device = {
+	.name		= "ixp4xx-ehci",
+	.id		= 1,
+	.resource	= cambria_usb1_resources,
+	.num_resources	= ARRAY_SIZE(cambria_usb1_resources),
+	.dev = {
+		.dma_mask		= &ehci_dma_mask,
+		.coherent_dma_mask	= 0xffffffff,
+	},
+};
+
+static struct platform_device *cambria_devices[] __initdata = {
+	&cambria_i2c_gpio,
+	&cambria_flash,
+	&cambria_uart,
+};
+
+static void __init cambria_gw23xx_setup(void)
+{
+	platform_device_register(&cambria_npec_device);
+	platform_device_register(&cambria_npea_device);
+}
+
+static void __init cambria_gw2350_setup(void)
+{
+	platform_device_register(&cambria_npec_device);
+	platform_device_register(&cambria_npea_device);
+
+	platform_device_register(&cambria_usb0_device);
+	platform_device_register(&cambria_usb1_device);
+
+	platform_device_register(&cambria_gpio_leds_device);
+}
+
+static void __init cambria_gw2358_setup(void)
+{
+	platform_device_register(&cambria_npec_device);
+	platform_device_register(&cambria_npea_device);
+
+	platform_device_register(&cambria_usb0_device);
+	platform_device_register(&cambria_usb1_device);
+
+	platform_device_register(&cambria_pata);
+
+	platform_device_register(&cambria_latch_leds_device);
+}
+
+static struct cambria_board_info cambria_boards[] __initdata = {
+	{
+		.model	= "GW2350",
+		.setup	= cambria_gw2350_setup,
+	}, {
+		.model	= "GW2358",
+		.setup	= cambria_gw2358_setup,
+	}
+};
+
+static struct cambria_board_info * __init cambria_find_board_info(char *model)
+{
+	int i;
+	model[6] = '\0';
+
+	for (i = 0; i < ARRAY_SIZE(cambria_boards); i++) {
+		struct cambria_board_info *info = &cambria_boards[i];
+		if (strcmp(info->model, model) == 0)
+			return info;
+	}
+
+	return NULL;
+}
+
+static struct memory_accessor *at24_mem_acc;
+
+static void at24_setup(struct memory_accessor *mem_acc, void *context)
+{
+	char mac_addr[ETH_ALEN];
+	char model[7];
+
+	at24_mem_acc = mem_acc;
+
+	/* Read MAC addresses */
+	if (at24_mem_acc->read(at24_mem_acc, mac_addr, 0x0, 6) == 6) {
+		memcpy(&cambria_npec_data.hwaddr, mac_addr, ETH_ALEN);
+	}
+	if (at24_mem_acc->read(at24_mem_acc, mac_addr, 0x6, 6) == 6) {
+		memcpy(&cambria_npea_data.hwaddr, mac_addr, ETH_ALEN);
+	}
+
+	/* Read the first 6 bytes of the model number */
+	if (at24_mem_acc->read(at24_mem_acc, model, 0x20, 6) == 6) {
+		cambria_info = cambria_find_board_info(model);
+	}
+
+}
+
+static struct at24_platform_data cambria_eeprom_info = {
+	.byte_len	= 1024,
+	.page_size	= 16,
+	.flags		= AT24_FLAG_READONLY,
+	.setup		= at24_setup,
+};
+
+static struct i2c_board_info __initdata cambria_i2c_board_info[] = {
+	{
+		I2C_BOARD_INFO("ds1672", 0x68),
+	},
+	{
+		I2C_BOARD_INFO("ad7418", 0x28),
+	},
+	{
+		I2C_BOARD_INFO("24c08", 0x51),
+		.platform_data	= &cambria_eeprom_info
+	},
+};
+
+static void __init cambria_init(void)
+{
+	ixp4xx_sys_init();
+
+	cambria_flash_resource.start = IXP4XX_EXP_BUS_BASE(0);
+	cambria_flash_resource.end = IXP4XX_EXP_BUS_BASE(0) + SZ_32M - 1;
+
+	*IXP4XX_EXP_CS0 |= IXP4XX_FLASH_WRITABLE;
+	*IXP4XX_EXP_CS1 = *IXP4XX_EXP_CS0;
+
+	platform_add_devices(cambria_devices, ARRAY_SIZE(cambria_devices));
+
+	cambria_pata_resources[0].start = 0x53e00000;
+	cambria_pata_resources[0].end = 0x53e3ffff;
+
+	cambria_pata_resources[1].start = 0x53e40000;
+	cambria_pata_resources[1].end = 0x53e7ffff;
+
+	cambria_pata_data.cs0_cfg = IXP4XX_EXP_CS3;
+	cambria_pata_data.cs1_cfg = IXP4XX_EXP_CS3;
+
+	i2c_register_board_info(0, cambria_i2c_board_info,
+				ARRAY_SIZE(cambria_i2c_board_info));
+}
+
+static int __init cambria_model_setup(void)
+{
+	if (!machine_is_cambria())
+		return 0;
+
+	if (cambria_info) {
+		printk(KERN_DEBUG "Running on Gateworks Cambria %s\n",
+				cambria_info->model);
+		cambria_info->setup();
+	} else {
+		printk(KERN_INFO "Unknown/missing Cambria model number"
+				" -- defaults will be used\n");
+		cambria_gw23xx_setup();
+	}
+
+	return 0;
+}
+late_initcall(cambria_model_setup);
+
+MACHINE_START(CAMBRIA, "Gateworks Cambria series")
+	/* Maintainer: Imre Kaloz <kaloz@openwrt.org> */
+	.phys_io	= IXP4XX_PERIPHERAL_BASE_PHYS,
+	.io_pg_offst	= ((IXP4XX_PERIPHERAL_BASE_VIRT) >> 18) & 0xfffc,
+	.map_io		= ixp4xx_map_io,
+	.init_irq	= ixp4xx_init_irq,
+	.timer		= &ixp4xx_timer,
+	.boot_params	= 0x0100,
+	.init_machine	= cambria_init,
+MACHINE_END
--- a/arch/arm/mach-ixp4xx/Kconfig
+++ b/arch/arm/mach-ixp4xx/Kconfig
@@ -25,6 +25,14 @@ config MACH_AVILA
 	  Avila Network Platform. For more information on this platform,
 	  see <file:Documentation/arm/IXP4xx>.
 
+config MACH_CAMBRIA
+	bool "Cambria"
+	select PCI
+	help
+	  Say 'Y' here if you want your kernel to support the Gateworks
+	  Cambria series. For more information on this platform,
+	  see <file:Documentation/arm/IXP4xx>.
+
 config MACH_LOFT
     bool "Loft"
     depends on MACH_AVILA
@@ -214,7 +222,7 @@ config CPU_IXP46X
 
 config CPU_IXP43X
 	bool
-	depends on MACH_KIXRP435
+	depends on MACH_KIXRP435 || MACH_CAMBRIA
 	default y
 
 config MACH_GTWX5715
--- a/arch/arm/mach-ixp4xx/Makefile
+++ b/arch/arm/mach-ixp4xx/Makefile
@@ -7,6 +7,7 @@ obj-pci-n	:=
 
 obj-pci-$(CONFIG_ARCH_IXDP4XX)		+= ixdp425-pci.o
 obj-pci-$(CONFIG_MACH_AVILA)		+= avila-pci.o
+obj-pci-$(CONFIG_MACH_CAMBRIA)		+= cambria-pci.o
 obj-pci-$(CONFIG_MACH_IXDPG425)		+= ixdpg425-pci.o
 obj-pci-$(CONFIG_ARCH_ADI_COYOTE)	+= coyote-pci.o
 obj-pci-$(CONFIG_MACH_GTWX5715)		+= gtwx5715-pci.o
@@ -29,6 +30,7 @@ obj-y	+= common.o
 
 obj-$(CONFIG_ARCH_IXDP4XX)	+= ixdp425-setup.o
 obj-$(CONFIG_MACH_AVILA)	+= avila-setup.o
+obj-$(CONFIG_MACH_CAMBRIA)	+= cambria-setup.o
 obj-$(CONFIG_MACH_IXDPG425)	+= coyote-setup.o
 obj-$(CONFIG_ARCH_ADI_COYOTE)	+= coyote-setup.o
 obj-$(CONFIG_MACH_GTWX5715)	+= gtwx5715-setup.o