linux-omap 2.6.29: sync touchbook patches with AI repo

7 files changed, 260 insertions, 3472 deletions

diff --git a/recipes/linux/linux-omap-2.6.29/omap3-touchbook/aufs-squashfs-mount-to-avoid-initramfs.patch b/recipes/linux/linux-omap-2.6.29/omap3-touchbook/aufs-squashfs-mount-to-avoid-initramfs.patch
index 9a9b982fef..ed5cbfc1b9 100644
--- a/recipes/linux/linux-omap-2.6.29/omap3-touchbook/aufs-squashfs-mount-to-avoid-initramfs.patch
+++ b/recipes/linux/linux-omap-2.6.29/omap3-touchbook/aufs-squashfs-mount-to-avoid-initramfs.patch
@@ -7,7 +7,7 @@
 +	int do_special = 0;
 +	if (strcmp(root_device_name, "special") == 0)
 +		do_special = 1;
-+	//do_special = 1;
++	do_special = 1;
 +
 +	if (do_special) {
 +		dev_t ROOT_DEV_RO;
@@ -24,7 +24,7 @@
 +		}
 +		
 +		sys_mkdir("/root-rw", 0700);
-+		ROOT_DEV_RW = name_to_dev_t("/dev/mmcblk0p3");
++		ROOT_DEV_RW = name_to_dev_t("/dev/mmcblk0p4");
 +		create_dev("/dev/root-rw", ROOT_DEV_RW);
 +		if (sys_mount("/dev/root-rw", "/root-rw", "ext3", MS_SILENT, NULL) != 0)
 +			goto no_special;
diff --git a/recipes/linux/linux-omap-2.6.29/omap3-touchbook/board-omap3beagle.c b/recipes/linux/linux-omap-2.6.29/omap3-touchbook/board-omap3beagle.c
deleted file mode 100644
index 26efafff21..0000000000
--- a/recipes/linux/linux-omap-2.6.29/omap3-touchbook/board-omap3beagle.c
+++ /dev/null
@@ -1,739 +0,0 @@
-/*
- * linux/arch/arm/mach-omap2/board-omap3beagle.c
- *
- * Copyright (C) 2008 Texas Instruments
- *
- * Modified from mach-omap2/board-3430sdp.c
- *
- * Initial code: Syed Mohammed Khasim
- *
- * 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/delay.h>
-#include <linux/err.h>
-#include <linux/clk.h>
-#include <linux/io.h>
-#include <linux/leds.h>
-#include <linux/gpio.h>
-#include <linux/input.h>
-#include <linux/gpio_keys.h>
-
-#include <linux/mtd/mtd.h>
-#include <linux/mtd/partitions.h>
-#include <linux/mtd/nand.h>
-
-#include <mach/mcspi.h>
-#include <linux/spi/spi.h>
-#include <linux/spi/ads7846.h>
-#include <linux/mma7455l.h>
-
-#include <mach/dmtimer.h>
-#include <linux/backlight.h>
-
-#include <linux/regulator/machine.h>
-#include <linux/i2c/twl4030.h>
-#include <linux/omapfb.h>
-
-#include <mach/hardware.h>
-#include <asm/mach-types.h>
-#include <asm/mach/arch.h>
-#include <asm/mach/map.h>
-#include <asm/mach/flash.h>
-
-#include <mach/board.h>
-#include <mach/usb.h>
-#include <mach/common.h>
-#include <mach/gpmc.h>
-#include <mach/nand.h>
-#include <mach/mux.h>
-#include <mach/display.h>
-
-#include "twl4030-generic-scripts.h"
-#include "mmc-twl4030.h"
-
-
-#define GPMC_CS0_BASE  0x60
-#define GPMC_CS_SIZE   0x30
-
-#define NAND_BLOCK_SIZE		SZ_128K
-
-#define OMAP3_AC_GPIO		136 //Int1 DRDY
-#define OMAP3_TS_GPIO		162
-#define TB_BL_PWM_TIMER		9
-#define TB_KILL_POWER_GPIO	168
-
-static struct mtd_partition omap3beagle_nand_partitions[] = {
-	/* All the partition sizes are listed in terms of NAND block size */
-	{
-		.name		= "X-Loader",
-		.offset		= 0,
-		.size		= 4 * NAND_BLOCK_SIZE,
-		.mask_flags	= MTD_WRITEABLE,	/* force read-only */
-	},
-	{
-		.name		= "U-Boot",
-		.offset		= MTDPART_OFS_APPEND,	/* Offset = 0x80000 */
-		.size		= 15 * NAND_BLOCK_SIZE,
-		.mask_flags	= MTD_WRITEABLE,	/* force read-only */
-	},
-	{
-		.name		= "U-Boot Env",
-		.offset		= MTDPART_OFS_APPEND,	/* Offset = 0x260000 */
-		.size		= 1 * NAND_BLOCK_SIZE,
-	},
-	{
-		.name		= "Kernel",
-		.offset		= MTDPART_OFS_APPEND,	/* Offset = 0x280000 */
-		.size		= 32 * NAND_BLOCK_SIZE,
-	},
-	{
-		.name		= "File System",
-		.offset		= MTDPART_OFS_APPEND,	/* Offset = 0x680000 */
-		.size		= MTDPART_SIZ_FULL,
-	},
-};
-
-static struct omap_nand_platform_data omap3beagle_nand_data = {
-	.options	= NAND_BUSWIDTH_16,
-	.parts		= omap3beagle_nand_partitions,
-	.nr_parts	= ARRAY_SIZE(omap3beagle_nand_partitions),
-	.dma_channel	= -1,		/* disable DMA in OMAP NAND driver */
-	.nand_setup	= NULL,
-	.dev_ready	= NULL,
-};
-
-static struct resource omap3beagle_nand_resource = {
-	.flags		= IORESOURCE_MEM,
-};
-
-static struct platform_device omap3beagle_nand_device = {
-	.name		= "omap2-nand",
-	.id		= -1,
-	.dev		= {
-		.platform_data	= &omap3beagle_nand_data,
-	},
-	.num_resources	= 1,
-	.resource	= &omap3beagle_nand_resource,
-};
-
-#include "sdram-micron-mt46h32m32lf-6.h"
-
-static struct omap_uart_config omap3_beagle_uart_config __initdata = {
-	.enabled_uarts	= ((1 << 0) | (1 << 1) | (1 << 2)),
-};
-
-static struct twl4030_usb_data beagle_usb_data = {
-	.usb_mode	= T2_USB_MODE_ULPI,
-};
-
-static struct twl4030_hsmmc_info mmc[] = {
-	{
-		.mmc		= 1,
-		.wires		= 8,
-		.gpio_wp	= 29,
-	},
-	{}	/* Terminator */
-};
-
-static struct regulator_consumer_supply beagle_vmmc1_supply = {
-	.supply			= "vmmc",
-};
-
-static struct regulator_consumer_supply beagle_vsim_supply = {
-	.supply			= "vmmc_aux",
-};
-
-static struct gpio_led gpio_leds[];
-
-static int beagle_twl_gpio_setup(struct device *dev,
-		unsigned gpio, unsigned ngpio)
-{
-	/* gpio + 0 is "mmc0_cd" (input/IRQ) */
-	omap_cfg_reg(AH8_34XX_GPIO29);
-	mmc[0].gpio_cd = gpio + 0;
-	twl4030_mmc_init(mmc);
-
-	/* link regulators to MMC adapters */
-	beagle_vmmc1_supply.dev = mmc[0].dev;
-	beagle_vsim_supply.dev = mmc[0].dev;
-
-	/* REVISIT: need ehci-omap hooks for external VBUS
-	 * power switch and overcurrent detect
-	 */
-
-#if 0 /* TODO: This needs to be modified to not rely on u-boot */
-	gpio_request(gpio + 1, "EHCI_nOC");
-	gpio_direction_input(gpio + 1);
-
-	/* TWL4030_GPIO_MAX + 0 == ledA, EHCI nEN_USB_PWR (out, active low) */
-	gpio_request(gpio + TWL4030_GPIO_MAX, "nEN_USB_PWR");
-	gpio_direction_output(gpio + TWL4030_GPIO_MAX, 1);
-
-	/* TWL4030_GPIO_MAX + 1 == ledB, PMU_STAT (out, active low LED) */
-	gpio_leds[2].gpio = gpio + TWL4030_GPIO_MAX + 1;
-#endif
-	return 0;
-}
-
-static struct twl4030_gpio_platform_data beagle_gpio_data = {
-	.gpio_base	= OMAP_MAX_GPIO_LINES,
-	.irq_base	= TWL4030_GPIO_IRQ_BASE,
-	.irq_end	= TWL4030_GPIO_IRQ_END,
-	.use_leds	= true,
-	.pullups	= BIT(1),
-	.pulldowns	= BIT(2) | BIT(6) | BIT(7) | BIT(8) | BIT(13)
-				| BIT(15) | BIT(16) | BIT(17),
-	.setup		= beagle_twl_gpio_setup,
-};
-
-static struct platform_device omap3_beagle_lcd_device = {
-	.name		= "omap3beagle_lcd",
-	.id		= -1,
-};
-
-static struct regulator_consumer_supply beagle_vdac_supply = {
-	.supply		= "vdac",
-	.dev		= &omap3_beagle_lcd_device.dev,
-};
-
-static struct regulator_consumer_supply beagle_vdvi_supply = {
-	.supply		= "vdvi",
-	.dev		= &omap3_beagle_lcd_device.dev,
-};
-
-/* VMMC1 for MMC1 pins CMD, CLK, DAT0..DAT3 (20 mA, plus card == max 220 mA) */
-static struct regulator_init_data beagle_vmmc1 = {
-	.constraints = {
-		.min_uV			= 1850000,
-		.max_uV			= 3150000,
-		.valid_modes_mask	= REGULATOR_MODE_NORMAL
-					| REGULATOR_MODE_STANDBY,
-		.valid_ops_mask		= REGULATOR_CHANGE_VOLTAGE
-					| REGULATOR_CHANGE_MODE
-					| REGULATOR_CHANGE_STATUS,
-	},
-	.num_consumer_supplies	= 1,
-	.consumer_supplies	= &beagle_vmmc1_supply,
-};
-
-/* VSIM for MMC1 pins DAT4..DAT7 (2 mA, plus card == max 50 mA) */
-static struct regulator_init_data beagle_vsim = {
-	.constraints = {
-		.min_uV			= 1800000,
-		.max_uV			= 3000000,
-		.valid_modes_mask	= REGULATOR_MODE_NORMAL
-					| REGULATOR_MODE_STANDBY,
-		.valid_ops_mask		= REGULATOR_CHANGE_VOLTAGE
-					| REGULATOR_CHANGE_MODE
-					| REGULATOR_CHANGE_STATUS,
-	},
-	.num_consumer_supplies	= 1,
-	.consumer_supplies	= &beagle_vsim_supply,
-};
-
-/* VDAC for DSS driving S-Video (8 mA unloaded, max 65 mA) */
-static struct regulator_init_data beagle_vdac = {
-	.constraints = {
-		.min_uV			= 1800000,
-		.max_uV			= 1800000,
-		.valid_modes_mask	= REGULATOR_MODE_NORMAL
-					| REGULATOR_MODE_STANDBY,
-		.valid_ops_mask		= REGULATOR_CHANGE_MODE
-					| REGULATOR_CHANGE_STATUS,
-	},
-	.num_consumer_supplies	= 1,
-	.consumer_supplies	= &beagle_vdac_supply,
-};
-
-/* VPLL2 for digital video outputs */
-static struct regulator_init_data beagle_vpll2 = {
-	.constraints = {
-		.name			= "VDVI",
-		.min_uV			= 1800000,
-		.max_uV			= 1800000,
-		.valid_modes_mask	= REGULATOR_MODE_NORMAL
-					| REGULATOR_MODE_STANDBY,
-		.valid_ops_mask		= REGULATOR_CHANGE_MODE
-					| REGULATOR_CHANGE_STATUS,
-	},
-	.num_consumer_supplies	= 1,
-	.consumer_supplies	= &beagle_vdvi_supply,
-};
-
-static const struct twl4030_resconfig beagle_resconfig[] = {
-	/* disable regulators that u-boot left enabled; the
-	 * devices' drivers should be managing these.
-	 */
-	{ .resource = RES_VAUX3, },	/* not even connected! */
-	{ .resource = RES_VMMC1, },
-	{ .resource = RES_VSIM, },
-	{ .resource = RES_VPLL2, },
-	{ .resource = RES_VDAC, },
-	{ .resource = RES_VUSB_1V5, },
-	{ .resource = RES_VUSB_1V8, },
-	{ .resource = RES_VUSB_3V1, },
-	{ 0, },
-};
-
-static struct twl4030_power_data beagle_power_data = {
-	.resource_config	= beagle_resconfig,
-	/* REVISIT can't use GENERIC3430_T2SCRIPTS_DATA;
-	 * among other things, it makes reboot fail.
-	 */
-};
-
-static struct twl4030_bci_platform_data touchbook_bci_data = {
-	.tblsize		= 0,
-	.no_backup_battery	= 1,
-};
-
-static struct twl4030_platform_data beagle_twldata = {
-	.irq_base	= TWL4030_IRQ_BASE,
-	.irq_end	= TWL4030_IRQ_END,
-
-	/* platform_data for children goes here */
-	.usb		= &beagle_usb_data,
-	.gpio		= &beagle_gpio_data,
-	.power		= &beagle_power_data,
-	.vmmc1		= &beagle_vmmc1,
-	.vsim		= &beagle_vsim,
-	.vdac		= &beagle_vdac,
-	.vpll2		= &beagle_vpll2,
-
-	/* TouchBook BCI */
-	.bci		= &touchbook_bci_data,
-};
-
-static struct i2c_board_info __initdata beagle_i2c_boardinfo[] = {
-	{
-		I2C_BOARD_INFO("twl4030", 0x48),
-		.flags = I2C_CLIENT_WAKE,
-		.irq = INT_34XX_SYS_NIRQ,
-		.platform_data = &beagle_twldata,
-	},
-};
-
-static struct i2c_board_info __initdata touchBook_i2c_boardinfo[] = {
-	{
-		I2C_BOARD_INFO("bq27200", 0x55),
-	},
-};
-
-static int __init omap3_beagle_i2c_init(void)
-{
-	/* Standard BeagleBoard bus */
-	omap_register_i2c_bus(1, 2600, beagle_i2c_boardinfo,
-			ARRAY_SIZE(beagle_i2c_boardinfo));
-
-	/* TouchBook keyboard bus */
-	omap_register_i2c_bus(3, 100, touchBook_i2c_boardinfo,
-			ARRAY_SIZE(touchBook_i2c_boardinfo));
-
-	return 0;
-}
-
-static void __init omap3_ads7846_init(void)
-{
-	if (gpio_request(OMAP3_TS_GPIO, "ads7846_pen_down")) {
-		printk(KERN_ERR "Failed to request GPIO %d for "
-				"ads7846 pen down IRQ\n", OMAP3_TS_GPIO);
-		return;
-	}
-
-	gpio_direction_input(OMAP3_TS_GPIO);
-	omap_set_gpio_debounce(OMAP3_TS_GPIO, 1);
-	omap_set_gpio_debounce_time(OMAP3_TS_GPIO, 0xa);
-}
-
-static struct ads7846_platform_data ads7846_config = {
-	.x_min			= 100,
-	.y_min			= 265,
-	.x_max			= 3950,
-	.y_max			= 3750,
-	.x_plate_ohms		= 40,
-	.pressure_max		= 255,
-	.debounce_max		= 10,
-	.debounce_tol		= 5,
-	.debounce_rep		= 1,
-	.gpio_pendown		= OMAP3_TS_GPIO,
-	.keep_vref_on		= 1,
-};
-
-static struct omap2_mcspi_device_config ads7846_mcspi_config = {
-	.turbo_mode	= 0,
-	.single_channel	= 1,	/* 0: slave, 1: master */
-};
-
-static struct spi_board_info omap3_ads7846_spi_board_info[] __initdata = {
-	{
-		.modalias		= "ads7846",
-		.bus_num		= 4,
-		.chip_select		= 0,
-		.max_speed_hz		= 1500000,
-		.controller_data	= &ads7846_mcspi_config, //(void *) 161,
-		.irq			= OMAP_GPIO_IRQ(OMAP3_TS_GPIO),
-		.platform_data		= &ads7846_config,
-	}
-};
-
-static void __init omap3_beagle_init_irq(void)
-{
-	omap2_init_common_hw(mt46h32m32lf6_sdrc_params);
-	omap_init_irq();
-	omap_gpio_init();
-}
-
-static struct gpio_led gpio_leds[] = {
-	{
-		.name			= "beagleboard::usr0",
-		.default_trigger	= "heartbeat",
-		.gpio			= 150,
-	},
-	{
-		.name			= "beagleboard::usr1",
-		.default_trigger	= "mmc0",
-		.gpio			= 149,
-	},
-	{
-		.name			= "beagleboard::pmu_stat",
-		.gpio			= -EINVAL,	/* gets replaced */
-		.active_low		= true,
-	},
-};
-
-static struct gpio_led_platform_data gpio_led_info = {
-	.leds		= gpio_leds,
-	.num_leds	= ARRAY_SIZE(gpio_leds),
-};
-
-static struct platform_device leds_gpio = {
-	.name	= "leds-gpio",
-	.id	= -1,
-	.dev	= {
-		.platform_data	= &gpio_led_info,
-	},
-};
-
-static struct gpio_keys_button gpio_buttons[] = {
-	{
-		.code			= BTN_EXTRA,
-		.gpio			= 7,
-		.desc			= "user",
-		.wakeup			= 1,
-	},
-	{
-		.code			= KEY_POWER,
-		.gpio			= 183,
-		.desc			= "power",
-		.wakeup			= 1,
-	},
-};
-
-static struct gpio_keys_platform_data gpio_key_info = {
-	.buttons	= gpio_buttons,
-	.nbuttons	= ARRAY_SIZE(gpio_buttons),
-};
-
-static struct platform_device keys_gpio = {
-	.name	= "gpio-keys",
-	.id	= -1,
-	.dev	= {
-		.platform_data	= &gpio_key_info,
-	},
-};
-
-/* DSS */
-
-static int beagle_enable_dvi(struct omap_display *display)
-{
-	if (display->hw_config.panel_reset_gpio != -1)
-		gpio_set_value(display->hw_config.panel_reset_gpio, 1);
-
-	return 0;
-}
-
-static void beagle_disable_dvi(struct omap_display *display)
-{
-	if (display->hw_config.panel_reset_gpio != -1)
-		gpio_set_value(display->hw_config.panel_reset_gpio, 0);
-}
-
-static struct omap_dss_display_config beagle_display_data_dvi = {
-	.type = OMAP_DISPLAY_TYPE_DPI,
-	.name = "dvi",
-	.panel_name = "panel-generic",
-	.u.dpi.data_lines = 24,
-	.panel_reset_gpio = 176,
-	.panel_enable = beagle_enable_dvi,
-	.panel_disable = beagle_disable_dvi,
-};
-
-
-static int beagle_panel_enable_tv(struct omap_display *display)
-{
-#define ENABLE_VDAC_DEDICATED           0x03
-#define ENABLE_VDAC_DEV_GRP             0x20
-
-	twl4030_i2c_write_u8(TWL4030_MODULE_PM_RECEIVER,
-			ENABLE_VDAC_DEDICATED,
-			TWL4030_VDAC_DEDICATED);
-	twl4030_i2c_write_u8(TWL4030_MODULE_PM_RECEIVER,
-			ENABLE_VDAC_DEV_GRP, TWL4030_VDAC_DEV_GRP);
-
-	return 0;
-}
-
-static void beagle_panel_disable_tv(struct omap_display *display)
-{
-	twl4030_i2c_write_u8(TWL4030_MODULE_PM_RECEIVER, 0x00,
-			TWL4030_VDAC_DEDICATED);
-	twl4030_i2c_write_u8(TWL4030_MODULE_PM_RECEIVER, 0x00,
-			TWL4030_VDAC_DEV_GRP);
-}
-
-static struct omap_dss_display_config beagle_display_data_tv = {
-	.type = OMAP_DISPLAY_TYPE_VENC,
-	.name = "tv",
-	.u.venc.type = OMAP_DSS_VENC_TYPE_SVIDEO,
-	.panel_enable = beagle_panel_enable_tv,
-	.panel_disable = beagle_panel_disable_tv,
-};
-
-static struct omap_dss_board_info beagle_dss_data = {
-	.num_displays = 2,
-	.displays = {
-		&beagle_display_data_dvi,
-		&beagle_display_data_tv,
-	}
-};
-
-static struct platform_device beagle_dss_device = {
-	.name          = "omapdss",
-	.id            = -1,
-	.dev            = {
-		.platform_data = &beagle_dss_data,
-	},
-};
-
-static void __init beagle_display_init(void)
-{
-	int r;
-
-	r = gpio_request(beagle_display_data_dvi.panel_reset_gpio, "DVI reset");
-	if (r < 0) {
-		printk(KERN_ERR "Unable to get DVI reset GPIO\n");
-		return;
-	}
-
-	gpio_direction_output(beagle_display_data_dvi.panel_reset_gpio, 0);
-}
-
-static struct omap_board_config_kernel omap3_beagle_config[] __initdata = {
-	{ OMAP_TAG_UART,	&omap3_beagle_uart_config },
-};
-
-static struct platform_device *omap3_beagle_devices[] __initdata = {
-	&beagle_dss_device,
-	&leds_gpio,
-	&keys_gpio,
-};
-
-static void __init omap3beagle_flash_init(void)
-{
-	u8 cs = 0;
-	u8 nandcs = GPMC_CS_NUM + 1;
-
-	u32 gpmc_base_add = OMAP34XX_GPMC_VIRT;
-
-	/* find out the chip-select on which NAND exists */
-	while (cs < GPMC_CS_NUM) {
-		u32 ret = 0;
-		ret = gpmc_cs_read_reg(cs, GPMC_CS_CONFIG1);
-
-		if ((ret & 0xC00) == 0x800) {
-			printk(KERN_INFO "Found NAND on CS%d\n", cs);
-			if (nandcs > GPMC_CS_NUM)
-				nandcs = cs;
-		}
-		cs++;
-	}
-
-	if (nandcs > GPMC_CS_NUM) {
-		printk(KERN_INFO "NAND: Unable to find configuration "
-				 "in GPMC\n ");
-		return;
-	}
-
-	if (nandcs < GPMC_CS_NUM) {
-		omap3beagle_nand_data.cs = nandcs;
-		omap3beagle_nand_data.gpmc_cs_baseaddr = (void *)
-			(gpmc_base_add + GPMC_CS0_BASE + nandcs * GPMC_CS_SIZE);
-		omap3beagle_nand_data.gpmc_baseaddr = (void *) (gpmc_base_add);
-
-		printk(KERN_INFO "Registering NAND on CS%d\n", nandcs);
-		if (platform_device_register(&omap3beagle_nand_device) < 0)
-			printk(KERN_ERR "Unable to register NAND device\n");
-	}
-}
-
-static void __init omap3_mma7455l_init(void)
-{
-	int ret;
-
-	ret = gpio_request(OMAP3_AC_GPIO, "mma7455l");
-	if (ret < 0) {
-		printk(KERN_ERR "Failed to request GPIO %d for mma7455l IRQ\n", OMAP3_AC_GPIO);
-		return;
-	}
-
-	gpio_direction_input(OMAP3_AC_GPIO);
-}
-
-static struct mma7455l_platform_data mma7455l_config = {
-	.calibration_x = -4, //26 for Beagleboard
-	.calibration_y = 28, //44 for Beagleboard
-	.calibration_z = -28, //26 for Beagleboard
-};
-
-static struct omap2_mcspi_device_config mma7455l_mcspi_config = {
-	.turbo_mode	= 0,
-	.single_channel	= 1,	/* 0: slave, 1: master */
-};
-
-static struct spi_board_info omap3_mma7455l_spi_board_info[] __initdata = {
-	{
-		.modalias		= "mma7455l",
-		.bus_num		= 3,
-		.chip_select		= 0,
-		.max_speed_hz		= 200000,
-		.irq			= OMAP_GPIO_IRQ(OMAP3_AC_GPIO),
-		.controller_data	= &mma7455l_mcspi_config, //(void *) 135,
-		.platform_data		= &mma7455l_config,
-	}
-};
-
-static int touchbook_backlight_brightness = 50;
-static struct omap_dm_timer *touchbook_backlight_pwm;
-
-static int touchbook_backlight_read(struct backlight_device *bd)
-{
-	return touchbook_backlight_brightness;
-}
-
-static int touchbook_backlight_update(struct backlight_device *bd)
-{
-	int value = bd->props.brightness;
-	touchbook_backlight_brightness = value;
-
-	/* Frequency calculation:
-	   - For 200Hz PWM, you want to load -164 (=> -32768Hz / 200Hz).
-	   - Minimum duty cycle for the backlight is 15%.
-	   - You have (164*0.85) => ~140 levels of brightness.
-	*/
-
-	/* Convert from 0-100 range to 0-140 range */
-	value = (value * 14) / 10 / 2;
-
-	/* For maximum brightness, just stop the timer... */
-	if(value != bd->props.max_brightness)
-	{
-		omap_dm_timer_set_load(touchbook_backlight_pwm, 1, -164);
-		omap_dm_timer_set_match(touchbook_backlight_pwm, 1, -24 - value);
-		omap_dm_timer_write_counter(touchbook_backlight_pwm, -1);
-		//omap_dm_timer_stop(touchbook_backlight_pwm);
-		omap_dm_timer_start(touchbook_backlight_pwm);
-	}
-	else
-		omap_dm_timer_stop(touchbook_backlight_pwm);
-
-
-	return 0;
-}
-
-static struct backlight_ops touchbook_backlight_properties = {
-	.get_brightness = touchbook_backlight_read,
-	.update_status = touchbook_backlight_update,
-};
-
-static void __init omap3_touchbook_backlight_init(void)
-{
-	static struct backlight_device *bd;
-	bd = backlight_device_register("touchbook", NULL, NULL, &touchbook_backlight_properties);
-
-	if(bd)
-	{
-		touchbook_backlight_pwm = omap_dm_timer_request_specific(TB_BL_PWM_TIMER);
-		omap_dm_timer_enable(touchbook_backlight_pwm);
-		omap_dm_timer_set_source(touchbook_backlight_pwm, OMAP_TIMER_SRC_32_KHZ);
-		omap_dm_timer_set_pwm(touchbook_backlight_pwm, 1, 1, OMAP_TIMER_TRIGGER_OVERFLOW_AND_COMPARE);
-
-		bd->props.max_brightness = 100;
-		bd->props.brightness = touchbook_backlight_brightness;
-	}
-
-	touchbook_backlight_update(bd);
-}
-
-static void omap3_touchbook_poweroff(void)
-{
-	int r;
-
-	r = gpio_request(TB_KILL_POWER_GPIO, "DVI reset");
-	if (r < 0) {
-		printk(KERN_ERR "Unable to get kill power GPIO\n");
-		return;
-	}
-
-	gpio_direction_output(TB_KILL_POWER_GPIO, 0);
-}
-
-static void __init omap3_beagle_init(void)
-{
-	pm_power_off = omap3_touchbook_poweroff;
-
-	omap3_beagle_i2c_init();
-	platform_add_devices(omap3_beagle_devices,
-			ARRAY_SIZE(omap3_beagle_devices));
-	omap_board_config = omap3_beagle_config;
-	omap_board_config_size = ARRAY_SIZE(omap3_beagle_config);
-	omap_serial_init();
-
-	omap_cfg_reg(J25_34XX_GPIO170);
-
-	omap3beagle_flash_init();
-	beagle_display_init();
-	omap3_touchbook_backlight_init();
-
-	/* Touch Book */
-	spi_register_board_info(omap3_ads7846_spi_board_info, ARRAY_SIZE(omap3_ads7846_spi_board_info));
-	spi_register_board_info(omap3_mma7455l_spi_board_info, ARRAY_SIZE(omap3_mma7455l_spi_board_info));
-
-	omap3_ads7846_init();
-	omap3_mma7455l_init();
-
-	usb_musb_init();
-	usb_ehci_init();
-}
-
-static void __init omap3_beagle_map_io(void)
-{
-	omap2_set_globals_343x();
-	omap2_map_common_io();
-}
-
-MACHINE_START(OMAP3_BEAGLE, "OMAP3 Touch Book")
-	/* Maintainer: Gregoire Gentil - http://www.alwaysinnovating.com */
-	.phys_io	= 0x48000000,
-	.io_pg_offst	= ((0xd8000000) >> 18) & 0xfffc,
-	.boot_params	= 0x80000100,
-	.map_io		= omap3_beagle_map_io,
-	.init_irq	= omap3_beagle_init_irq,
-	.init_machine	= omap3_beagle_init,
-	.timer		= &omap_timer,
-MACHINE_END
diff --git a/recipes/linux/linux-omap-2.6.29/omap3-touchbook/boot-trace-for-optimization.patch b/recipes/linux/linux-omap-2.6.29/omap3-touchbook/boot-trace-for-optimization.patch
new file mode 100644
index 0000000000..fcb7ae480e
--- /dev/null
+++ b/recipes/linux/linux-omap-2.6.29/omap3-touchbook/boot-trace-for-optimization.patch
@@ -0,0 +1,251 @@
+commit e9c4f51ad2b76ddbf90863c44085574197247ba3
+Author: Auke Kok <auke-jan.h.kok@intel.com>
+Date:   Tue Jan 27 11:26:00 2009 -0800
+
+    trace: tracer for sys_open() - sreadahead
+    
+    This tracer monitors regular file open() syscalls. This is a fast
+    and low-overhead alternative to strace, and does not allow or
+    require to be attached to every process.
+    
+    Signed-off-by: Auke Kok <auke-jan.h.kok@intel.com>
+
+diff --git a/fs/open.c b/fs/open.c
+index a3a78ce..bd9eb9d 100644
+--- a/fs/open.c
++++ b/fs/open.c
+@@ -30,6 +30,10 @@
+ #include <linux/audit.h>
+ #include <linux/falloc.h>
+ 
++#include <trace/fs.h>
++
++DEFINE_TRACE(do_sys_open);
++
+ int vfs_statfs(struct dentry *dentry, struct kstatfs *buf)
+ {
+ 	int retval = -ENODEV;
+@@ -1039,6 +1043,7 @@ long do_sys_open(int dfd, const char __user *filename, int flags, int mode)
+ 			} else {
+ 				fsnotify_open(f->f_path.dentry);
+ 				fd_install(fd, f);
++				trace_do_sys_open(f, flags, mode, fd);
+ 			}
+ 		}
+ 		putname(tmp);
+diff --git a/include/trace/fs.h b/include/trace/fs.h
+new file mode 100644
+index 0000000..870eec2
+--- /dev/null
++++ b/include/trace/fs.h
+@@ -0,0 +1,11 @@
++#ifndef _TRACE_FS_H
++#define _TRACE_FS_H
++
++#include <linux/fs.h>
++#include <linux/tracepoint.h>
++
++DECLARE_TRACE(do_sys_open,
++	TPPROTO(struct file *filp, int flags, int mode, long fd),
++		TPARGS(filp, flags, mode, fd));
++
++#endif
+diff --git a/kernel/trace/Kconfig b/kernel/trace/Kconfig
+index e2a4ff6..d2a1ec1 100644
+--- a/kernel/trace/Kconfig
++++ b/kernel/trace/Kconfig
+@@ -149,6 +149,15 @@ config CONTEXT_SWITCH_TRACER
+ 	  This tracer gets called from the context switch and records
+ 	  all switching of tasks.
+ 
++config OPEN_TRACER
++	bool "Trace open() calls"
++	depends on DEBUG_KERNEL
++	select TRACING
++	select MARKERS
++	help
++	  This tracer records open() syscalls. These calls are made when
++	  files are accessed on disk.
++
+ config BOOT_TRACER
+ 	bool "Trace boot initcalls"
+ 	depends on DEBUG_KERNEL
+diff --git a/kernel/trace/Makefile b/kernel/trace/Makefile
+index 349d5a9..7f2a366 100644
+--- a/kernel/trace/Makefile
++++ b/kernel/trace/Makefile
+@@ -20,6 +20,7 @@ obj-$(CONFIG_RING_BUFFER) += ring_buffer.o
+ 
+ obj-$(CONFIG_TRACING) += trace.o
+ obj-$(CONFIG_CONTEXT_SWITCH_TRACER) += trace_sched_switch.o
++obj-$(CONFIG_OPEN_TRACER) += trace_open.o
+ obj-$(CONFIG_SYSPROF_TRACER) += trace_sysprof.o
+ obj-$(CONFIG_FUNCTION_TRACER) += trace_functions.o
+ obj-$(CONFIG_IRQSOFF_TRACER) += trace_irqsoff.o
+diff --git a/kernel/trace/trace.h b/kernel/trace/trace.h
+index 4d3d381..24c17d2 100644
+--- a/kernel/trace/trace.h
++++ b/kernel/trace/trace.h
+@@ -30,6 +30,7 @@ enum trace_type {
+ 	TRACE_USER_STACK,
+ 	TRACE_HW_BRANCHES,
+ 	TRACE_POWER,
++	TRACE_OPEN,
+ 
+ 	__TRACE_LAST_TYPE
+ };
+diff --git a/kernel/trace/trace_open.c b/kernel/trace/trace_open.c
+new file mode 100644
+index 0000000..7153dfc
+--- /dev/null
++++ b/kernel/trace/trace_open.c
+@@ -0,0 +1,149 @@
++/*
++ * trace open calls
++ * Copyright (C) 2009 Intel Corporation
++ *
++ * Based extensively on trace_sched_switch.c
++ * Copyright (C) 2007 Steven Rostedt <srostedt@redhat.com>
++ *
++ */
++
++#include <linux/module.h>
++#include <linux/fs.h>
++#include <linux/debugfs.h>
++#include <linux/kallsyms.h>
++#include <linux/uaccess.h>
++#include <linux/ftrace.h>
++#include <trace/fs.h>
++
++#include "trace.h"
++
++
++static struct trace_array	*ctx_trace;
++static int __read_mostly	open_trace_enabled;
++static atomic_t			open_ref;
++
++static void probe_do_sys_open(struct file *filp, int flags, int mode, long fd)
++{
++	char *buf;
++	char *fname;
++
++	if (!atomic_read(&open_ref))
++		return;
++
++	if (!open_trace_enabled)
++		return;
++
++	buf = kzalloc(PAGE_SIZE, GFP_KERNEL);
++	if (!buf)
++		return;
++
++	fname = d_path(&filp->f_path, buf, PAGE_SIZE);
++	if (IS_ERR(fname))
++		goto out;
++
++	ftrace_printk("%s: open(\"%s\", %d, %d) = %ld\n",
++		current->comm, fname, flags, mode, fd);
++
++out:
++	kfree(buf);
++}
++
++static void open_trace_reset(struct trace_array *tr)
++{
++	tr->time_start = ftrace_now(tr->cpu);
++	tracing_reset_online_cpus(tr);
++}
++
++static int open_trace_register(void)
++{
++	int ret;
++
++	ret = register_trace_do_sys_open(probe_do_sys_open);
++	if (ret) {
++		pr_info("open trace: Could not activate tracepoint"
++			" probe to do_open\n");
++	}
++
++	return ret;
++}
++
++static void open_trace_unregister(void)
++{
++	unregister_trace_do_sys_open(probe_do_sys_open);
++}
++
++static void open_trace_start(void)
++{
++	long ref;
++
++	ref = atomic_inc_return(&open_ref);
++	if (ref == 1)
++		open_trace_register();
++}
++
++static void open_trace_stop(void)
++{
++	long ref;
++
++	ref = atomic_dec_and_test(&open_ref);
++	if (ref)
++		open_trace_unregister();
++}
++
++void open_trace_start_cmdline_record(void)
++{
++	open_trace_start();
++}
++
++void open_trace_stop_cmdline_record(void)
++{
++	open_trace_stop();
++}
++
++static void open_start_trace(struct trace_array *tr)
++{
++	open_trace_reset(tr);
++	open_trace_start_cmdline_record();
++	open_trace_enabled = 1;
++}
++
++static void open_stop_trace(struct trace_array *tr)
++{
++	open_trace_enabled = 0;
++	open_trace_stop_cmdline_record();
++}
++
++static int open_trace_init(struct trace_array *tr)
++{
++	ctx_trace = tr;
++
++	open_start_trace(tr);
++	return 0;
++}
++
++static void reset_open_trace(struct trace_array *tr)
++{
++	open_stop_trace(tr);
++}
++
++static struct tracer open_trace __read_mostly =
++{
++	.name		= "open",
++	.init		= open_trace_init,
++	.reset		= reset_open_trace,
++};
++
++__init static int init_open_trace(void)
++{
++	int ret = 0;
++
++	if (atomic_read(&open_ref))
++		ret = open_trace_register();
++	if (ret) {
++		pr_info("error registering open trace\n");
++		return ret;
++	}
++	return register_tracer(&open_trace);
++}
++device_initcall(init_open_trace);
++
diff --git a/recipes/linux/linux-omap-2.6.29/omap3-touchbook/defconfig b/recipes/linux/linux-omap-2.6.29/omap3-touchbook/defconfig
index c6fdd4a0a4..b1ab24b84f 100644
--- a/recipes/linux/linux-omap-2.6.29/omap3-touchbook/defconfig
+++ b/recipes/linux/linux-omap-2.6.29/omap3-touchbook/defconfig
@@ -266,7 +266,7 @@ CONFIG_NO_HZ=y
 CONFIG_HIGH_RES_TIMERS=y
 CONFIG_GENERIC_CLOCKEVENTS_BUILD=y
 CONFIG_VMSPLIT_3G=y
-CONFIG_VMSPLIT_2G is not set
+# CONFIG_VMSPLIT_2G is not set
 # CONFIG_VMSPLIT_1G is not set
 CONFIG_PAGE_OFFSET=0xC0000000
 CONFIG_PREEMPT=y
diff --git a/recipes/linux/linux-omap-2.6.29/omap3-touchbook/defconfig.orig b/recipes/linux/linux-omap-2.6.29/omap3-touchbook/defconfig.orig
deleted file mode 100644
index 1aa7cf57ac..0000000000
--- a/recipes/linux/linux-omap-2.6.29/omap3-touchbook/defconfig.orig
+++ /dev/null
@@ -1,2701 +0,0 @@
-#
-# Automatically generated make config: don't edit
-# Linux kernel version: 2.6.29-omap1
-# Fri May 29 14:47:52 2009
-#
-CONFIG_ARM=y
-CONFIG_SYS_SUPPORTS_APM_EMULATION=y
-CONFIG_GENERIC_GPIO=y
-CONFIG_GENERIC_TIME=y
-CONFIG_GENERIC_CLOCKEVENTS=y
-CONFIG_MMU=y
-# CONFIG_NO_IOPORT is not set
-CONFIG_GENERIC_HARDIRQS=y
-CONFIG_STACKTRACE_SUPPORT=y
-CONFIG_HAVE_LATENCYTOP_SUPPORT=y
-CONFIG_LOCKDEP_SUPPORT=y
-CONFIG_TRACE_IRQFLAGS_SUPPORT=y
-CONFIG_HARDIRQS_SW_RESEND=y
-CONFIG_GENERIC_IRQ_PROBE=y
-CONFIG_RWSEM_GENERIC_SPINLOCK=y
-# CONFIG_ARCH_HAS_ILOG2_U32 is not set
-# CONFIG_ARCH_HAS_ILOG2_U64 is not set
-CONFIG_GENERIC_HWEIGHT=y
-CONFIG_GENERIC_CALIBRATE_DELAY=y
-CONFIG_GENERIC_HARDIRQS_NO__DO_IRQ=y
-CONFIG_OPROFILE_ARMV7=y
-CONFIG_VECTORS_BASE=0xffff0000
-CONFIG_DEFCONFIG_LIST="/lib/modules/$UNAME_RELEASE/.config"
-
-#
-# General setup
-#
-CONFIG_EXPERIMENTAL=y
-CONFIG_BROKEN_ON_SMP=y
-CONFIG_INIT_ENV_ARG_LIMIT=32
-CONFIG_LOCALVERSION=""
-# CONFIG_LOCALVERSION_AUTO is not set
-CONFIG_SWAP=y
-CONFIG_SYSVIPC=y
-CONFIG_SYSVIPC_SYSCTL=y
-# CONFIG_POSIX_MQUEUE is not set
-CONFIG_BSD_PROCESS_ACCT=y
-# CONFIG_BSD_PROCESS_ACCT_V3 is not set
-CONFIG_TASKSTATS=y
-CONFIG_TASK_DELAY_ACCT=y
-CONFIG_TASK_XACCT=y
-CONFIG_TASK_IO_ACCOUNTING=y
-# CONFIG_AUDIT is not set
-
-#
-# RCU Subsystem
-#
-CONFIG_CLASSIC_RCU=y
-# CONFIG_TREE_RCU is not set
-# CONFIG_PREEMPT_RCU is not set
-# CONFIG_TREE_RCU_TRACE is not set
-# CONFIG_PREEMPT_RCU_TRACE is not set
-CONFIG_IKCONFIG=y
-CONFIG_IKCONFIG_PROC=y
-CONFIG_LOG_BUF_SHIFT=14
-CONFIG_GROUP_SCHED=y
-CONFIG_FAIR_GROUP_SCHED=y
-# CONFIG_RT_GROUP_SCHED is not set
-CONFIG_USER_SCHED=y
-# CONFIG_CGROUP_SCHED is not set
-# CONFIG_CGROUPS is not set
-# CONFIG_SYSFS_DEPRECATED_V2 is not set
-# CONFIG_RELAY is not set
-# CONFIG_NAMESPACES is not set
-CONFIG_BLK_DEV_INITRD=y
-CONFIG_INITRAMFS_SOURCE=""
-CONFIG_CC_OPTIMIZE_FOR_SIZE=y
-CONFIG_SYSCTL=y
-CONFIG_ANON_INODES=y
-CONFIG_EMBEDDED=y
-CONFIG_UID16=y
-# CONFIG_SYSCTL_SYSCALL is not set
-CONFIG_KALLSYMS=y
-# CONFIG_KALLSYMS_ALL is not set
-# CONFIG_KALLSYMS_EXTRA_PASS is not set
-CONFIG_HOTPLUG=y
-CONFIG_PRINTK=y
-CONFIG_BUG=y
-# CONFIG_ELF_CORE is not set
-CONFIG_BASE_FULL=y
-CONFIG_FUTEX=y
-CONFIG_EPOLL=y
-CONFIG_SIGNALFD=y
-CONFIG_TIMERFD=y
-CONFIG_EVENTFD=y
-CONFIG_SHMEM=y
-CONFIG_AIO=y
-CONFIG_VM_EVENT_COUNTERS=y
-# CONFIG_COMPAT_BRK is not set
-CONFIG_SLAB=y
-# CONFIG_SLUB is not set