diff options
Diffstat (limited to 'target/linux')
| -rw-r--r-- | target/linux/at91/Makefile | 2 | ||||
| -rw-r--r-- | target/linux/at91/config-default | 120 | ||||
| -rw-r--r-- | target/linux/at91/flexibity/config-default (renamed from target/linux/at91/flexibity/config-2.6.39) | 0 | ||||
| -rw-r--r-- | target/linux/at91/flexibity/target.mk | 1 | ||||
| -rw-r--r-- | target/linux/at91/netus/config-default | 8 | ||||
| -rw-r--r-- | target/linux/at91/patches/100-at91_i2c.patch | 285 | ||||
| -rw-r--r-- | target/linux/at91/patches/200-experimenta_adc_driver.patch | 23 | ||||
| -rw-r--r-- | target/linux/at91/patches/600-usb_vbus_active_high.patch | 84 |
8 files changed, 60 insertions, 463 deletions
diff --git a/target/linux/at91/Makefile b/target/linux/at91/Makefile index 1d65d75..f20b7e6 100644 --- a/target/linux/at91/Makefile +++ b/target/linux/at91/Makefile @@ -14,7 +14,7 @@ FEATURES:=squashfs jffs2 targz CFLAGS:=-Os -pipe -march=armv5te -mtune=arm926ej-s -fno-caller-saves SUBTARGETS:=netus tqma9263 flexibity -LINUX_VERSION:=2.6.38.8 +LINUX_VERSION:=3.3.2 DEVICE_TYPE= include $(INCLUDE_DIR)/target.mk diff --git a/target/linux/at91/config-default b/target/linux/at91/config-default index 29c7234..1ffbb76 100644 --- a/target/linux/at91/config-default +++ b/target/linux/at91/config-default @@ -1,28 +1,32 @@ CONFIG_ALIGNMENT_TRAP=y -# CONFIG_ARCH_AT572D940HF is not set CONFIG_ARCH_AT91=y # CONFIG_ARCH_AT91CAP9 is not set # CONFIG_ARCH_AT91RM9200 is not set -# CONFIG_ARCH_AT91RM9200DK is not set # CONFIG_ARCH_AT91SAM9260 is not set # CONFIG_ARCH_AT91SAM9261 is not set # CONFIG_ARCH_AT91SAM9263 is not set # CONFIG_ARCH_AT91SAM9G10 is not set -# CONFIG_ARCH_AT91SAM9G20 is not set +CONFIG_ARCH_AT91SAM9G20=y # CONFIG_ARCH_AT91SAM9G45 is not set # CONFIG_ARCH_AT91SAM9RL is not set # CONFIG_ARCH_AT91X40 is not set +CONFIG_ARCH_BINFMT_ELF_RANDOMIZE_PIE=y +CONFIG_ARCH_HAS_CPU_IDLE_WAIT=y +CONFIG_ARCH_NR_GPIO=0 +# CONFIG_ARCH_PHYS_ADDR_T_64BIT is not set CONFIG_ARCH_REQUIRE_GPIOLIB=y # CONFIG_ARCH_SELECT_MEMORY_MODEL is not set # CONFIG_ARCH_SPARSEMEM_DEFAULT is not set # CONFIG_ARCH_SUPPORTS_MSI is not set CONFIG_ARCH_SUSPEND_POSSIBLE=y +# CONFIG_ARCH_USES_GETTIMEOFFSET is not set CONFIG_ARM=y +# CONFIG_ARM_CPU_SUSPEND is not set CONFIG_ARM_L1_CACHE_SHIFT=5 +CONFIG_ARM_NR_BANKS=8 CONFIG_ARM_THUMB=y # CONFIG_AT91SAM9X_WATCHDOG is not set -# CONFIG_AT91_ADC is not set -CONFIG_AT91_EARLY_DBGU=y +CONFIG_AT91_EARLY_DBGU0=y # CONFIG_AT91_EARLY_USART0 is not set # CONFIG_AT91_EARLY_USART1 is not set # CONFIG_AT91_EARLY_USART2 is not set @@ -31,15 +35,17 @@ CONFIG_AT91_EARLY_DBGU=y # CONFIG_AT91_EARLY_USART5 is not set CONFIG_AT91_PMC_UNIT=y CONFIG_AT91_PROGRAMMABLE_CLOCKS=y +CONFIG_AT91_SAM9_ALT_RESET=y CONFIG_AT91_TIMER_HZ=100 # CONFIG_ATMEL_PWM is not set # CONFIG_ATMEL_SSC is not set # CONFIG_ATMEL_TCLIB is not set -CONFIG_BITREVERSE=y +CONFIG_BCMA_POSSIBLE=y # CONFIG_BLK_DEV is not set -# CONFIG_BLK_DEV_IDE_AT91 is not set # CONFIG_BLK_DEV_INITRD is not set +# CONFIG_CACHE_L2X0 is not set CONFIG_CC_OPTIMIZE_FOR_SIZE=y +CONFIG_CLKDEV_LOOKUP=y CONFIG_CPU_32v5=y CONFIG_CPU_ABRT_EV5TJ=y CONFIG_CPU_ARM926T=y @@ -52,22 +58,23 @@ CONFIG_CPU_CP15_MMU=y # CONFIG_CPU_ICACHE_DISABLE is not set CONFIG_CPU_PABRT_LEGACY=y CONFIG_CPU_TLB_V4WBI=y +CONFIG_CPU_USE_DOMAINS=y +CONFIG_CRC16=y CONFIG_DEBUG_BUGVERBOSE=y # CONFIG_DEBUG_USER is not set -CONFIG_DECOMPRESS_LZMA=y CONFIG_DEVPTS_MULTIPLE_INSTANCES=y -# CONFIG_DM9000 is not set +# CONFIG_DW_WATCHDOG is not set CONFIG_EXT4_FS=y -# CONFIG_FPE_FASTFPE is not set -# CONFIG_FPE_NWFPE is not set CONFIG_FRAME_POINTER=y -# CONFIG_FSNOTIFY is not set +CONFIG_FS_MBCACHE=y CONFIG_GENERIC_ATOMIC64=y +CONFIG_GENERIC_BUG=y CONFIG_GENERIC_CLOCKEVENTS=y CONFIG_GENERIC_CLOCKEVENTS_BUILD=y -CONFIG_GENERIC_FIND_LAST_BIT=y +# CONFIG_GENERIC_CPU_DEVICES is not set CONFIG_GENERIC_GPIO=y -CONFIG_GENERIC_HARDIRQS_NO__DO_IRQ=y +CONFIG_GENERIC_IRQ_SHOW=y +CONFIG_GENERIC_PCI_IOMAP=y CONFIG_GPIOLIB=y CONFIG_GPIO_DEVICE=y CONFIG_GPIO_SYSFS=y @@ -78,41 +85,51 @@ CONFIG_HAS_IOMEM=y CONFIG_HAS_IOPORT=y CONFIG_HAVE_AOUT=y CONFIG_HAVE_ARCH_KGDB=y +CONFIG_HAVE_ARCH_PFN_VALID=y +CONFIG_HAVE_AT91_DBGU0=y CONFIG_HAVE_AT91_USART3=y CONFIG_HAVE_AT91_USART4=y CONFIG_HAVE_AT91_USART5=y CONFIG_HAVE_CLK=y +CONFIG_HAVE_C_RECORDMCOUNT=y +CONFIG_HAVE_DMA_API_DEBUG=y +CONFIG_HAVE_DYNAMIC_FTRACE=y +CONFIG_HAVE_FTRACE_MCOUNT_RECORD=y +CONFIG_HAVE_FUNCTION_GRAPH_TRACER=y CONFIG_HAVE_FUNCTION_TRACER=y CONFIG_HAVE_GENERIC_DMA_COHERENT=y -CONFIG_HAVE_IDE=y +CONFIG_HAVE_GENERIC_HARDIRQS=y +CONFIG_HAVE_IRQ_WORK=y CONFIG_HAVE_KERNEL_GZIP=y CONFIG_HAVE_KERNEL_LZMA=y CONFIG_HAVE_KERNEL_LZO=y -CONFIG_HAVE_KPROBES=y -CONFIG_HAVE_KRETPROBES=y +CONFIG_HAVE_KERNEL_XZ=y CONFIG_HAVE_LATENCYTOP_SUPPORT=y +CONFIG_HAVE_MEMBLOCK=y +CONFIG_HAVE_NET_MACB=y CONFIG_HAVE_OPROFILE=y CONFIG_HAVE_PERF_EVENTS=y CONFIG_HAVE_PROC_CPU=y -# CONFIG_HW_RANDOM is not set +CONFIG_HAVE_REGS_AND_STACK_ACCESS_API=y +CONFIG_HAVE_SPARSE_IRQ=y # CONFIG_ISDN is not set +CONFIG_JBD2=y +CONFIG_KTIME_SCALAR=y # CONFIG_LEDS is not set -# CONFIG_LEDS_ATMEL_PWM is not set # CONFIG_LEDS_GPIO is not set -CONFIG_MACB=y +CONFIG_LEDS_TRIGGER_HEARTBEAT=y +# CONFIG_MACB is not set # CONFIG_MACH_ACMENETUSFOXG20 is not set -# CONFIG_MACH_AT91RM9200EK is not set # CONFIG_MACH_AT91SAM9G20EK is not set -# CONFIG_MACH_AT91SAM9G20EK_2MMC is not set +# CONFIG_MACH_AT91SAM_DT is not set # CONFIG_MACH_CPU9G20 is not set -# CONFIG_MACH_CSB337 is not set # CONFIG_MACH_GSIA18S is not set -# CONFIG_MACH_NETUS_FOXBOARD is not set -# CONFIG_MACH_ONEARM is not set # CONFIG_MACH_PCONTROL_G20 is not set # CONFIG_MACH_PORTUXG20 is not set # CONFIG_MACH_SNAPPER_9260 is not set # CONFIG_MACH_STAMP9G20 is not set +# CONFIG_MACH_USB_A9G20 is not set +CONFIG_MDIO_BOARDINFO=y # CONFIG_MFD_T7L66XB is not set # CONFIG_MII is not set CONFIG_MMC=y @@ -123,25 +140,20 @@ CONFIG_MTD_DATAFLASH=y # CONFIG_MTD_DATAFLASH_OTP is not set # CONFIG_MTD_DATAFLASH_WRITE_VERIFY is not set CONFIG_NEED_DMA_MAP_STATE=y -# CONFIG_NETDEV_1000 is not set -# CONFIG_NETUS_FOXGM is not set -CONFIG_NETUS_HEARTBEAT_LED=y -CONFIG_NETUS_SERIALS=y -# CONFIG_NETUS_USE_DATAFLASH is not set +CONFIG_NEED_PER_CPU_KM=y CONFIG_NLS=y CONFIG_PAGEFLAGS_EXTENDED=y CONFIG_PAGE_OFFSET=0xC0000000 -# CONFIG_PATA_AT91 is not set # CONFIG_PCI_SYSCALL is not set CONFIG_PERF_USE_VMALLOC=y CONFIG_PHYLIB=y +CONFIG_PHYS_OFFSET=0x0 +# CONFIG_PREEMPT_RCU is not set +# CONFIG_QUOTACTL is not set CONFIG_RTC_CLASS=y -CONFIG_RTC_DRV_AT91SAM9=y -CONFIG_RTC_DRV_AT91SAM9_GPBR=0 -CONFIG_RTC_DRV_AT91SAM9_RTT=0 +# CONFIG_RTC_DRV_AT91SAM9 is not set # CONFIG_RTC_DRV_CMOS is not set # CONFIG_SCSI_DMA is not set -CONFIG_SCSI_MOD=y # CONFIG_SDIO_UART is not set # CONFIG_SERIAL_8250 is not set CONFIG_SERIAL_ATMEL=y @@ -157,54 +169,38 @@ CONFIG_SPI_SPIDEV=y CONFIG_SPLIT_PTLOCK_CPUS=999999 # CONFIG_STAGING is not set CONFIG_SYS_SUPPORTS_APM_EMULATION=y -#CONFIG_SND_ATMEL_SOC is not set CONFIG_UID16=y # CONFIG_USB_ARCH_HAS_EHCI is not set +# CONFIG_USB_ARCH_HAS_XHCI is not set CONFIG_USB_AT91=y -# CONFIG_USB_AUDIO is not set # CONFIG_USB_CDC_COMPOSITE is not set +CONFIG_USB_COMMON=y CONFIG_USB_ETH=y -CONFIG_USB_ETH_EEM=y +# CONFIG_USB_ETH_EEM is not set CONFIG_USB_ETH_RNDIS=y # CONFIG_USB_FILE_STORAGE is not set +# CONFIG_USB_FUNCTIONFS is not set +# CONFIG_USB_FUSB300 is not set CONFIG_USB_GADGET=y # CONFIG_USB_GADGETFS is not set -# CONFIG_USB_GADGET_AMD5536UDC is not set -CONFIG_USB_GADGET_AT91=y -# CONFIG_USB_GADGET_ATMEL_USBA is not set -# CONFIG_USB_GADGET_CI13XXX is not set # CONFIG_USB_GADGET_DEBUG_FILES is not set # CONFIG_USB_GADGET_DEBUG_FS is not set -# CONFIG_USB_GADGET_DUALSPEED is not set -# CONFIG_USB_GADGET_DUMMY_HCD is not set -# CONFIG_USB_GADGET_FSL_QE is not set -# CONFIG_USB_GADGET_FSL_USB2 is not set -# CONFIG_USB_GADGET_GOKU is not set -# CONFIG_USB_GADGET_IMX is not set -# CONFIG_USB_GADGET_LANGWELL is not set -# CONFIG_USB_GADGET_LH7A40X is not set -# CONFIG_USB_GADGET_M66592 is not set -# CONFIG_USB_GADGET_MUSB_HDRC is not set -# CONFIG_USB_GADGET_NET2280 is not set -# CONFIG_USB_GADGET_OMAP is not set -# CONFIG_USB_GADGET_PXA25X is not set -# CONFIG_USB_GADGET_PXA27X is not set -# CONFIG_USB_GADGET_PXA_U2O is not set -# CONFIG_USB_GADGET_R8A66597 is not set -# CONFIG_USB_GADGET_S3C2410 is not set -# CONFIG_USB_GADGET_S3C_HSOTG is not set -CONFIG_USB_GADGET_SELECTED=y CONFIG_USB_GADGET_VBUS_DRAW=2 # CONFIG_USB_G_DBGP is not set +# CONFIG_USB_G_HID is not set # CONFIG_USB_G_NCM is not set # CONFIG_USB_G_PRINTER is not set # CONFIG_USB_G_SERIAL is not set -# CONFIG_USB_MIDI_GADGET is not set +# CONFIG_USB_M66592 is not set +# CONFIG_USB_MV_UDC is not set +# CONFIG_USB_NET2272 is not set +# CONFIG_USB_R8A66597 is not set CONFIG_USB_SUPPORT=y # CONFIG_USB_ZERO is not set CONFIG_VECTORS_BASE=0xffff0000 # CONFIG_VFP is not set # CONFIG_WLAN is not set +CONFIG_XZ_DEC=y CONFIG_ZBOOT_ROM_BSS=0 CONFIG_ZBOOT_ROM_TEXT=0 CONFIG_ZONE_DMA_FLAG=0 diff --git a/target/linux/at91/flexibity/config-2.6.39 b/target/linux/at91/flexibity/config-default index c194586..c194586 100644 --- a/target/linux/at91/flexibity/config-2.6.39 +++ b/target/linux/at91/flexibity/config-default diff --git a/target/linux/at91/flexibity/target.mk b/target/linux/at91/flexibity/target.mk index 5e4c460..113d2bf 100644 --- a/target/linux/at91/flexibity/target.mk +++ b/target/linux/at91/flexibity/target.mk @@ -8,7 +8,6 @@ SUBTARGET:=flexibity BOARDNAME:=Flexibity Connect (AT91) FEATURES:=ext2 tgz usb -LINUX_VERSION:=2.6.39 define Target/Description Build fimware images for Flexibity Connect board. diff --git a/target/linux/at91/netus/config-default b/target/linux/at91/netus/config-default index c965f23..a4287e7 100644 --- a/target/linux/at91/netus/config-default +++ b/target/linux/at91/netus/config-default @@ -1,8 +1,2 @@ CONFIG_ARCH_AT91SAM9G20=y -# CONFIG_ARCH_USES_GETTIMEOFFSET is not set -CONFIG_CRC16=y -CONFIG_JBD2=y -CONFIG_MACH_NETUS_FOXBOARD=y -# CONFIG_USB_FUNCTIONFS is not set -# CONFIG_USB_G_HID is not set -# CONFIG_USB_G_WEBCAM is not set +CONFIG_MACH_ACMENETUSFOXG20=y diff --git a/target/linux/at91/patches/100-at91_i2c.patch b/target/linux/at91/patches/100-at91_i2c.patch deleted file mode 100644 index e78ffde..0000000 --- a/target/linux/at91/patches/100-at91_i2c.patch +++ /dev/null @@ -1,285 +0,0 @@ ---- a/drivers/i2c/busses/Kconfig -+++ b/drivers/i2c/busses/Kconfig -@@ -283,7 +283,7 @@ comment "I2C system bus drivers (mostly - - config I2C_AT91 - tristate "Atmel AT91 I2C Two-Wire interface (TWI)" -- depends on ARCH_AT91 && EXPERIMENTAL && BROKEN -+ depends on ARCH_AT91 && EXPERIMENTAL - help - This supports the use of the I2C interface on Atmel AT91 - processors. ---- a/drivers/i2c/busses/i2c-at91.c -+++ b/drivers/i2c/busses/i2c-at91.c -@@ -11,8 +11,18 @@ - 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. -+ -+ D. Gilbert [20100318 AT91SAM9G20] -+ - Check for NACK, a NACK will abort current tranfser, -+ returned as errno=EREMOTEIO unless I2C_M_IGNORE_NAK is set -+ - Only supports 7 bit I2C device (slave) address -+ - clockrate adjustable (module_param). - */ - -+ -+/* Uncomment following line to see dev_dbg() output in logs */ -+/* #define DEBUG 1 */ -+ - #include <linux/module.h> - #include <linux/kernel.h> - #include <linux/err.h> -@@ -32,26 +42,28 @@ - #define TWI_CLOCK 100000 /* Hz. max 400 Kbits/sec */ - - -+static unsigned int clockrate = TWI_CLOCK; -+static unsigned int prev_clockrate = TWI_CLOCK; - static struct clk *twi_clk; - static void __iomem *twi_base; - - #define at91_twi_read(reg) __raw_readl(twi_base + (reg)) - #define at91_twi_write(reg, val) __raw_writel((val), twi_base + (reg)) - -- - /* -- * Initialize the TWI hardware registers. -+ * Set TWI clock dividers based on clockrate (clock rate for SCL) - */ --static void __devinit at91_twi_hwinit(void) -+static void at91_twi_clock_dividers(void) - { - unsigned long cdiv, ckdiv; - -- at91_twi_write(AT91_TWI_IDR, 0xffffffff); /* Disable all interrupts */ -- at91_twi_write(AT91_TWI_CR, AT91_TWI_SWRST); /* Reset peripheral */ -- at91_twi_write(AT91_TWI_CR, AT91_TWI_MSEN); /* Set Master mode */ -+ if (clockrate < 1000) -+ clockrate = 1000; -+ else if (clockrate > 400000) -+ clockrate = 400000; - -- /* Calcuate clock dividers */ -- cdiv = (clk_get_rate(twi_clk) / (2 * TWI_CLOCK)) - 3; -+ /* Calculate clock dividers */ -+ cdiv = (clk_get_rate(twi_clk) / (2 * clockrate)) - 3; - cdiv = cdiv + 1; /* round up */ - ckdiv = 0; - while (cdiv > 255) { -@@ -61,41 +73,92 @@ static void __devinit at91_twi_hwinit(vo - - if (cpu_is_at91rm9200()) { /* AT91RM9200 Errata #22 */ - if (ckdiv > 5) { -- printk(KERN_ERR "AT91 I2C: Invalid TWI_CLOCK value!\n"); -+ printk(KERN_ERR "i2c-at91: Invalid AT91RM9200 clock rate\n"); - ckdiv = 5; - } - } -+ /* AT91SAM9G20 has 3 bits for ckdiv so it cannot exceed 7 */ -+ if (cpu_is_at91sam9g20()) { -+ if (ckdiv > 7) { -+ printk(KERN_ERR "i2c-at91: Invalid AT91SAM9G20 clock " -+ "rate, ckdiv=%lu\n", ckdiv); -+ ckdiv = 7; -+ } -+ } - - at91_twi_write(AT91_TWI_CWGR, (ckdiv << 16) | (cdiv << 8) | cdiv); -+ prev_clockrate = clockrate; - } - - /* -- * Poll the i2c status register until the specified bit is set. -- * Returns 0 if timed out (100 msec). -+ * Initialize the TWI hardware registers. - */ --static short at91_poll_status(unsigned long bit) -+static void __devinit at91_twi_hwinit(void) - { -- int loop_cntr = 10000; -+ at91_twi_write(AT91_TWI_IDR, 0xffffffff); /* Disable all interrupts */ -+ at91_twi_write(AT91_TWI_CR, AT91_TWI_SWRST); /* Reset peripheral */ -+ /* Set Master mode; Atmel suggests disabling slave mode */ -+ at91_twi_write(AT91_TWI_CR, AT91_TWI_MSEN | AT91_TWI_SVDIS); - -+ at91_twi_clock_dividers(); -+} -+ -+/* -+ * Poll the i2c status register until the specified bit is set or a NACK -+ * occurs. Returns 0 if timed out (50 msec). If nack_seen_p is non-NULL -+ * then write 0 to it first, then if the NACK bit is set in the status -+ * register then write 1 to it and immediately return with a value of 1. -+ */ -+static short at91_poll_status(unsigned long bit, int * nack_seen_p) -+{ -+ int loop_cntr = 5000; -+ unsigned long stat; -+ -+ if (nack_seen_p) -+ *nack_seen_p = 0; -+ if (clockrate <= 20000) -+ loop_cntr = 100; - do { -- udelay(10); -- } while (!(at91_twi_read(AT91_TWI_SR) & bit) && (--loop_cntr > 0)); -+ if (clockrate <= 20000) -+ udelay(100); -+ else if (clockrate <= 100000) -+ udelay(10); -+ else -+ udelay(3); -+ stat = at91_twi_read(AT91_TWI_SR); -+ if ((stat & AT91_TWI_NACK) && nack_seen_p) { -+ *nack_seen_p = 1; -+ return 1; -+ } -+ } while (!(stat & bit) && (--loop_cntr > 0)); - - return (loop_cntr > 0); - } - - static int xfer_read(struct i2c_adapter *adap, unsigned char *buf, int length) - { -+ int nack_seen = 0; -+ int sent_stop = 0; -+ - /* Send Start */ -- at91_twi_write(AT91_TWI_CR, AT91_TWI_START); -+ if (1 == length) { -+ at91_twi_write(AT91_TWI_CR, AT91_TWI_START | AT91_TWI_STOP); -+ sent_stop = 1; -+ } else -+ at91_twi_write(AT91_TWI_CR, AT91_TWI_START); - - /* Read data */ - while (length--) { -- if (!length) /* need to send Stop before reading last byte */ -+ /* send Stop before reading last byte (if not already done) */ -+ if ((0 == length) && (0 == sent_stop)) - at91_twi_write(AT91_TWI_CR, AT91_TWI_STOP); -- if (!at91_poll_status(AT91_TWI_RXRDY)) { -+ if (!at91_poll_status(AT91_TWI_RXRDY, &nack_seen)) { - dev_dbg(&adap->dev, "RXRDY timeout\n"); - return -ETIMEDOUT; -+ } else if (nack_seen) { -+ dev_dbg(&adap->dev, "read NACKed\n"); -+ /* NACK supplies Stop */ -+ return -EREMOTEIO; - } - *buf++ = (at91_twi_read(AT91_TWI_RHR) & 0xff); - } -@@ -105,16 +168,24 @@ static int xfer_read(struct i2c_adapter - - static int xfer_write(struct i2c_adapter *adap, unsigned char *buf, int length) - { -+ int nack_seen = 0; -+ - /* Load first byte into transmitter */ - at91_twi_write(AT91_TWI_THR, *buf++); - -- /* Send Start */ -+ /* Send Start [AT91SAM9G20 does not need this on write] */ - at91_twi_write(AT91_TWI_CR, AT91_TWI_START); - - do { -- if (!at91_poll_status(AT91_TWI_TXRDY)) { -+ if (!at91_poll_status(AT91_TWI_TXRDY, &nack_seen)) { - dev_dbg(&adap->dev, "TXRDY timeout\n"); -+ /* Set Master mode again */ -+ at91_twi_write(AT91_TWI_CR, AT91_TWI_MSEN); - return -ETIMEDOUT; -+ } else if (nack_seen) { -+ dev_dbg(&adap->dev, "write NACKed\n"); -+ /* NACK supplies Stop */ -+ return -EREMOTEIO; - } - - length--; /* byte was transmitted */ -@@ -123,7 +194,7 @@ static int xfer_write(struct i2c_adapter - at91_twi_write(AT91_TWI_THR, *buf++); - } while (length); - -- /* Send Stop */ -+ /* Send Stop [AT91SAM9G20 does not need this on write] */ - at91_twi_write(AT91_TWI_CR, AT91_TWI_STOP); - - return 0; -@@ -136,11 +207,19 @@ static int xfer_write(struct i2c_adapter - * Instead the "internal device address" has to be written using a separate - * i2c message. - * http://lists.arm.linux.org.uk/pipermail/linux-arm-kernel/2004-September/024411.html -+ * [dpg] By 2010 silicon bugs should be fixed, will need IADR for 10 bit device address - */ - static int at91_xfer(struct i2c_adapter *adap, struct i2c_msg *pmsg, int num) - { - int i, ret; -+ int nack_seen = 0; - -+ if (prev_clockrate != clockrate) { -+ dev_dbg(&adap->dev, "at91_xfer: prev_clockrate=%u " -+ "clockrate=%u, change\n", prev_clockrate, clockrate); -+ at91_twi_clock_dividers(); -+ msleep(1); /* let things settle */ -+ } - dev_dbg(&adap->dev, "at91_xfer: processing %d messages:\n", num); - - for (i = 0; i < num; i++) { -@@ -158,13 +237,23 @@ static int at91_xfer(struct i2c_adapter - else - ret = xfer_write(adap, pmsg->buf, pmsg->len); - -- if (ret) -- return ret; -- -+ if (ret) { -+ if ((I2C_M_IGNORE_NAK & pmsg->flags) && -+ (-EREMOTEIO == ret)) { -+ dev_dbg(&adap->dev, "transfer " -+ "NACKed, skip to next\n"); -+ pmsg++; -+ continue; -+ } else -+ return ret; -+ } - /* Wait until transfer is finished */ -- if (!at91_poll_status(AT91_TWI_TXCOMP)) { -+ if (!at91_poll_status(AT91_TWI_TXCOMP, &nack_seen)) { - dev_dbg(&adap->dev, "TXCOMP timeout\n"); - return -ETIMEDOUT; -+ } else if (nack_seen) { -+ dev_dbg(&adap->dev, "TXCOMP NACKed\n"); -+ return -EREMOTEIO; - } - } - dev_dbg(&adap->dev, "transfer complete\n"); -@@ -239,7 +328,8 @@ static int __devinit at91_i2c_probe(stru - goto fail3; - } - -- dev_info(&pdev->dev, "AT91 i2c bus driver.\n"); -+ dev_info(&pdev->dev, "AT91 TWI (I2C) bus driver [SCL %d Hz]\n", -+ clockrate); - return 0; - - fail3: -@@ -295,6 +385,11 @@ static int at91_i2c_resume(struct platfo - #define at91_i2c_resume NULL - #endif - -+/* I2C clock speed, in Hz 0-400kHz*/ -+module_param(clockrate, uint, S_IRUGO | S_IWUSR); -+MODULE_PARM_DESC(clockrate, -+ "SCL clock rate, 1000 to 400000 Hz (def: 100 kHz)"); -+ - /* work with "modprobe at91_i2c" from hotplugging or coldplugging */ - MODULE_ALIAS("platform:at91_i2c"); - -@@ -323,5 +418,5 @@ module_init(at91_i2c_init); - module_exit(at91_i2c_exit); - - MODULE_AUTHOR("Rick Bronson"); --MODULE_DESCRIPTION("I2C (TWI) driver for Atmel AT91"); -+MODULE_DESCRIPTION("I2C (TWI) master driver for Atmel AT91"); - MODULE_LICENSE("GPL"); diff --git a/target/linux/at91/patches/200-experimenta_adc_driver.patch b/target/linux/at91/patches/200-experimenta_adc_driver.patch deleted file mode 100644 index 48bb61e..0000000 --- a/target/linux/at91/patches/200-experimenta_adc_driver.patch +++ /dev/null @@ -1,23 +0,0 @@ ---- a/drivers/misc/Kconfig -+++ b/drivers/misc/Kconfig -@@ -104,6 +104,10 @@ config ATMEL_TCB_CLKSRC_BLOCK - TC can be used for other purposes, such as PWM generation and - interval timing. - -+config AT91_ADC -+ tristate "AT91 ADC converter" -+ depends on ARCH_AT91 && SYSFS -+ - config IBM_ASM - tristate "Device driver for IBM RSA service processor" - depends on X86 && PCI && INPUT && EXPERIMENTAL ---- a/drivers/misc/Makefile -+++ b/drivers/misc/Makefile -@@ -9,6 +9,7 @@ obj-$(CONFIG_AD525X_DPOT_SPI) += ad525x_ - obj-$(CONFIG_ATMEL_PWM) += atmel_pwm.o - obj-$(CONFIG_ATMEL_SSC) += atmel-ssc.o - obj-$(CONFIG_ATMEL_TCLIB) += atmel_tclib.o -+obj-$(CONFIG_AT91_ADC) += at91-adc.o - obj-$(CONFIG_BMP085) += bmp085.o - obj-$(CONFIG_ICS932S401) += ics932s401.o - obj-$(CONFIG_LKDTM) += lkdtm.o diff --git a/target/linux/at91/patches/600-usb_vbus_active_high.patch b/target/linux/at91/patches/600-usb_vbus_active_high.patch deleted file mode 100644 index 08dfcb3..0000000 --- a/target/linux/at91/patches/600-usb_vbus_active_high.patch +++ /dev/null @@ -1,84 +0,0 @@ ---- a/arch/arm/mach-at91/at91cap9_devices.c -+++ b/arch/arm/mach-at91/at91cap9_devices.c -@@ -77,7 +77,7 @@ void __init at91_add_device_usbh(struct - /* Enable VBus control for UHP ports */ - for (i = 0; i < data->ports; i++) { - if (data->vbus_pin[i]) -- at91_set_gpio_output(data->vbus_pin[i], 0); -+ at91_set_gpio_output(data->vbus_pin[i], data->vbus_active_high); - } - - usbh_data = *data; ---- a/arch/arm/mach-at91/at91sam9263_devices.c -+++ b/arch/arm/mach-at91/at91sam9263_devices.c -@@ -71,7 +71,7 @@ void __init at91_add_device_usbh(struct - /* Enable VBus control for UHP ports */ - for (i = 0; i < data->ports; i++) { - if (data->vbus_pin[i]) -- at91_set_gpio_output(data->vbus_pin[i], 0); -+ at91_set_gpio_output(data->vbus_pin[i], data->vbus_active_high); - } - - usbh_data = *data; ---- a/arch/arm/mach-at91/at91sam9g45_devices.c -+++ b/arch/arm/mach-at91/at91sam9g45_devices.c -@@ -121,7 +121,7 @@ void __init at91_add_device_usbh_ohci(st - /* Enable VBus control for UHP ports */ - for (i = 0; i < data->ports; i++) { - if (data->vbus_pin[i]) -- at91_set_gpio_output(data->vbus_pin[i], 0); -+ at91_set_gpio_output(data->vbus_pin[i], data->vbus_active_high); - } - - usbh_ohci_data = *data; -@@ -176,7 +176,7 @@ void __init at91_add_device_usbh_ehci(st - /* Enable VBus control for UHP ports */ - for (i = 0; i < data->ports; i++) { - if (data->vbus_pin[i]) -- at91_set_gpio_output(data->vbus_pin[i], 0); -+ at91_set_gpio_output(data->vbus_pin[i], data->vbus_active_high); - } - - usbh_ehci_data = *data; ---- a/arch/arm/mach-at91/include/mach/board.h -+++ b/arch/arm/mach-at91/include/mach/board.h -@@ -96,8 +96,9 @@ extern void __init at91_add_device_eth(s - - /* USB Host */ - struct at91_usbh_data { -- u8 ports; /* number of ports on root hub */ -- u8 vbus_pin[2]; /* port power-control pin */ -+ u8 ports; /* number of ports on root hub */ -+ u8 vbus_pin[2]; /* port power-control pin */ -+ u8 vbus_active_high; /* true == vbus_pins are active high */ - }; - extern void __init at91_add_device_usbh(struct at91_usbh_data *data); - extern void __init at91_add_device_usbh_ohci(struct at91_usbh_data *data); ---- a/drivers/usb/host/ohci-at91.c -+++ b/drivers/usb/host/ohci-at91.c -@@ -277,14 +277,13 @@ static int ohci_hcd_at91_drv_probe(struc - if (pdata) { - /* REVISIT make the driver support per-port power switching, - * and also overcurrent detection. Here we assume the ports -- * are always powered while this driver is active, and use -- * active-low power switches. -+ * are always powered while this driver is active. - */ - for (i = 0; i < ARRAY_SIZE(pdata->vbus_pin); i++) { - if (pdata->vbus_pin[i] <= 0) - continue; - gpio_request(pdata->vbus_pin[i], "ohci_vbus"); -- gpio_direction_output(pdata->vbus_pin[i], 0); -+ gpio_direction_output(pdata->vbus_pin[i], pdata->vbus_active_high); - } - } - -@@ -301,7 +300,7 @@ static int ohci_hcd_at91_drv_remove(stru - for (i = 0; i < ARRAY_SIZE(pdata->vbus_pin); i++) { - if (pdata->vbus_pin[i] <= 0) - continue; -- gpio_direction_output(pdata->vbus_pin[i], 1); -+ gpio_direction_output(pdata->vbus_pin[i], !pdata->vbus_active_high); - gpio_free(pdata->vbus_pin[i]); - } - } |