Merge branch 'omap3-upstream' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap-2.6 into devel

13 files changed, 502 insertions, 205 deletions

diff --git a/arch/arm/mach-omap2/Kconfig b/arch/arm/mach-omap2/Kconfig
index 4832fcc7d04..3754b79092a 100644
--- a/arch/arm/mach-omap2/Kconfig
+++ b/arch/arm/mach-omap2/Kconfig
@@ -55,3 +55,7 @@ config MACH_OMAP_LDP
 config MACH_OVERO
 	bool "Gumstix Overo board"
 	depends on ARCH_OMAP3 && ARCH_OMAP34XX
+
+config MACH_OMAP3_PANDORA
+	bool "OMAP3 Pandora"
+	depends on ARCH_OMAP3 && ARCH_OMAP34XX
\ No newline at end of file
diff --git a/arch/arm/mach-omap2/Makefile b/arch/arm/mach-omap2/Makefile
index c69392372c9..f12c43e4932 100644
--- a/arch/arm/mach-omap2/Makefile
+++ b/arch/arm/mach-omap2/Makefile
@@ -32,4 +32,5 @@ obj-$(CONFIG_MACH_OMAP_APOLLON)		+= board-apollon.o
 obj-$(CONFIG_MACH_OMAP3_BEAGLE)		+= board-omap3beagle.o
 obj-$(CONFIG_MACH_OMAP_LDP)		+= board-ldp.o
 obj-$(CONFIG_MACH_OVERO)		+= board-overo.o
+obj-$(CONFIG_MACH_OMAP3_PANDORA)	+= board-omap3pandora.o
 
diff --git a/arch/arm/mach-omap2/board-2430sdp.c b/arch/arm/mach-omap2/board-2430sdp.c
index 24688efaa44..6748de6e19a 100644
--- a/arch/arm/mach-omap2/board-2430sdp.c
+++ b/arch/arm/mach-omap2/board-2430sdp.c
@@ -168,13 +168,13 @@ static inline void __init sdp2430_init_smc91x(void)
 	sdp2430_smc91x_resources[0].end = cs_mem_base + 0x30f;
 	udelay(100);
 
-	if (omap_request_gpio(OMAP24XX_ETHR_GPIO_IRQ) < 0) {
+	if (gpio_request(OMAP24XX_ETHR_GPIO_IRQ, "SMC91x irq") < 0) {
 		printk(KERN_ERR "Failed to request GPIO%d for smc91x IRQ\n",
 			OMAP24XX_ETHR_GPIO_IRQ);
 		gpmc_cs_free(eth_cs);
 		goto out;
 	}
-	omap_set_gpio_direction(OMAP24XX_ETHR_GPIO_IRQ, 1);
+	gpio_direction_input(OMAP24XX_ETHR_GPIO_IRQ);
 
 out:
 	clk_disable(gpmc_fck);
diff --git a/arch/arm/mach-omap2/board-apollon.c b/arch/arm/mach-omap2/board-apollon.c
index 989ad152d7f..d83035b436d 100644
--- a/arch/arm/mach-omap2/board-apollon.c
+++ b/arch/arm/mach-omap2/board-apollon.c
@@ -236,13 +236,13 @@ static inline void __init apollon_init_smc91x(void)
 	udelay(100);
 
 	omap_cfg_reg(W4__24XX_GPIO74);
-	if (omap_request_gpio(APOLLON_ETHR_GPIO_IRQ) < 0) {
+	if (gpio_request(APOLLON_ETHR_GPIO_IRQ, "SMC91x irq") < 0) {
 		printk(KERN_ERR "Failed to request GPIO%d for smc91x IRQ\n",
 			APOLLON_ETHR_GPIO_IRQ);
 		gpmc_cs_free(APOLLON_ETH_CS);
 		goto out;
 	}
-	omap_set_gpio_direction(APOLLON_ETHR_GPIO_IRQ, 1);
+	gpio_direction_input(APOLLON_ETHR_GPIO_IRQ);
 
 out:
 	clk_disable(gpmc_fck);
@@ -327,15 +327,15 @@ static void __init apollon_sw_init(void)
 	/* Enter SW - Y11 */
 	omap_cfg_reg(Y11_242X_GPIO16);
 	omap_request_gpio(SW_ENTER_GPIO16);
-	omap_set_gpio_direction(SW_ENTER_GPIO16, 1);
+	gpio_direction_input(SW_ENTER_GPIO16);
 	/* Up SW - AA12 */
 	omap_cfg_reg(AA12_242X_GPIO17);
 	omap_request_gpio(SW_UP_GPIO17);
-	omap_set_gpio_direction(SW_UP_GPIO17, 1);
+	gpio_direction_input(SW_UP_GPIO17);
 	/* Down SW - AA8 */
 	omap_cfg_reg(AA8_242X_GPIO58);
 	omap_request_gpio(SW_DOWN_GPIO58);
-	omap_set_gpio_direction(SW_DOWN_GPIO58, 1);
+	gpio_direction_input(SW_DOWN_GPIO58);
 
 	set_irq_type(OMAP_GPIO_IRQ(SW_ENTER_GPIO16), IRQ_TYPE_EDGE_RISING);
 	if (request_irq(OMAP_GPIO_IRQ(SW_ENTER_GPIO16), &apollon_sw_interrupt,
@@ -359,9 +359,8 @@ static void __init apollon_usb_init(void)
 	/* USB device */
 	/* DEVICE_SUSPEND */
 	omap_cfg_reg(P21_242X_GPIO12);
-	omap_request_gpio(12);
-	omap_set_gpio_direction(12, 0);		/* OUT */
-	omap_set_gpio_dataout(12, 0);
+	gpio_request(12, "USB suspend");
+	gpio_direction_output(12, 0);
 }
 
 static void __init omap_apollon_init(void)
diff --git a/arch/arm/mach-omap2/board-h4.c b/arch/arm/mach-omap2/board-h4.c
index 2fef2c84508..7de0506e1e2 100644
--- a/arch/arm/mach-omap2/board-h4.c
+++ b/arch/arm/mach-omap2/board-h4.c
@@ -19,6 +19,7 @@
 #include <linux/delay.h>
 #include <linux/workqueue.h>
 #include <linux/i2c.h>
+#include <linux/i2c/at24.h>
 #include <linux/input.h>
 #include <linux/err.h>
 #include <linux/clk.h>
@@ -392,11 +393,24 @@ static struct omap_board_config_kernel h4_config[] = {
 	{ OMAP_TAG_LCD,		&h4_lcd_config },
 };
 
+static struct at24_platform_data m24c01 = {
+	.byte_len	= SZ_1K / 8,
+	.page_size	= 16,
+};
+
 static struct i2c_board_info __initdata h4_i2c_board_info[] = {
 	{
 		I2C_BOARD_INFO("isp1301_omap", 0x2d),
 		.irq		= OMAP_GPIO_IRQ(125),
 	},
+	{	/* EEPROM on mainboard */
+		I2C_BOARD_INFO("24c01", 0x52),
+		.platform_data	= &m24c01,
+	},
+	{	/* EEPROM on cpu card */
+		I2C_BOARD_INFO("24c01", 0x57),
+		.platform_data	= &m24c01,
+	},
 };
 
 static void __init omap_h4_init(void)
diff --git a/arch/arm/mach-omap2/board-ldp.c b/arch/arm/mach-omap2/board-ldp.c
index 1ea59986aa7..43c7ac4b7f8 100644
--- a/arch/arm/mach-omap2/board-ldp.c
+++ b/arch/arm/mach-omap2/board-ldp.c
@@ -38,11 +38,67 @@
 #include <asm/delay.h>
 #include <mach/control.h>
 
+#define SDP3430_SMC91X_CS	3
+
+static struct resource ldp_smc911x_resources[] = {
+	[0] = {
+		.start	= OMAP34XX_ETHR_START,
+		.end	= OMAP34XX_ETHR_START + SZ_4K,
+		.flags	= IORESOURCE_MEM,
+	},
+	[1] = {
+		.start	= 0,
+		.end	= 0,
+		.flags	= IORESOURCE_IRQ | IORESOURCE_IRQ_LOWLEVEL,
+	},
+};
+
+static struct platform_device ldp_smc911x_device = {
+	.name		= "smc911x",
+	.id		= -1,
+	.num_resources	= ARRAY_SIZE(ldp_smc911x_resources),
+	.resource	= ldp_smc911x_resources,
+};
+
+static struct platform_device *ldp_devices[] __initdata = {
+	&ldp_smc911x_device,
+};
+
+static inline void __init ldp_init_smc911x(void)
+{
+	int eth_cs;
+	unsigned long cs_mem_base;
+	int eth_gpio = 0;
+
+	eth_cs = LDP_SMC911X_CS;
+
+	if (gpmc_cs_request(eth_cs, SZ_16M, &cs_mem_base) < 0) {
+		printk(KERN_ERR "Failed to request GPMC mem for smc911x\n");
+		return;
+	}
+
+	ldp_smc911x_resources[0].start = cs_mem_base + 0x0;
+	ldp_smc911x_resources[0].end   = cs_mem_base + 0xf;
+	udelay(100);
+
+	eth_gpio = LDP_SMC911X_GPIO;
+
+	ldp_smc911x_resources[1].start = OMAP_GPIO_IRQ(eth_gpio);
+
+	if (omap_request_gpio(eth_gpio) < 0) {
+		printk(KERN_ERR "Failed to request GPIO%d for smc911x IRQ\n",
+				eth_gpio);
+		return;
+	}
+	gpio_direction_input(eth_gpio);
+}
+
 static void __init omap_ldp_init_irq(void)
 {
 	omap2_init_common_hw();
 	omap_init_irq();
 	omap_gpio_init();
+	ldp_init_smc911x();
 }
 
 static struct omap_uart_config ldp_uart_config __initdata = {
@@ -64,6 +120,7 @@ static int __init omap_i2c_init(void)
 static void __init omap_ldp_init(void)
 {
 	omap_i2c_init();
+	platform_add_devices(ldp_devices, ARRAY_SIZE(ldp_devices));
 	omap_board_config = ldp_config;
 	omap_board_config_size = ARRAY_SIZE(ldp_config);
 	omap_serial_init();
diff --git a/arch/arm/mach-omap2/board-omap3pandora.c b/arch/arm/mach-omap2/board-omap3pandora.c
new file mode 100644
index 00000000000..7236c7be05b
--- /dev/null
+++ b/arch/arm/mach-omap2/board-omap3pandora.c
@@ -0,0 +1,180 @@
+/*
+ * board-omap3pandora.c (Pandora Handheld Console)
+ *
+ * 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.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
+ * 02110-1301 USA
+ *
+ */
+
+#include <linux/init.h>
+#include <linux/kernel.h>
+#include <linux/platform_device.h>
+
+#include <linux/spi/spi.h>
+#include <linux/spi/ads7846.h>
+#include <linux/i2c/twl4030.h>
+
+#include <asm/mach-types.h>
+#include <asm/mach/arch.h>
+#include <asm/mach/map.h>
+
+#include <mach/board.h>
+#include <mach/common.h>
+#include <mach/gpio.h>
+#include <mach/hardware.h>
+#include <mach/mcspi.h>
+
+#define OMAP3_PANDORA_TS_GPIO		94
+
+static struct omap_uart_config omap3pandora_uart_config __initdata = {
+	.enabled_uarts	= (1 << 2), /* UART3 */
+};
+
+static struct twl4030_gpio_platform_data omap3pandora_gpio_data = {
+	.gpio_base	= OMAP_MAX_GPIO_LINES,
+	.irq_base	= TWL4030_GPIO_IRQ_BASE,
+	.irq_end	= TWL4030_GPIO_IRQ_END,
+};
+
+static struct twl4030_usb_data omap3pandora_usb_data = {
+	.usb_mode	= T2_USB_MODE_ULPI,
+};
+
+static struct twl4030_platform_data omap3pandora_twldata = {
+	.irq_base	= TWL4030_IRQ_BASE,
+	.irq_end	= TWL4030_IRQ_END,
+	.gpio		= &omap3pandora_gpio_data,
+	.usb		= &omap3pandora_usb_data,
+};
+
+static struct i2c_board_info __initdata omap3pandora_i2c_boardinfo[] = {
+	{
+		I2C_BOARD_INFO("tps65950", 0x48),
+		.flags = I2C_CLIENT_WAKE,
+		.irq = INT_34XX_SYS_NIRQ,
+		.platform_data = &omap3pandora_twldata,
+	},
+};
+
+static int __init omap3pandora_i2c_init(void)
+{
+	omap_register_i2c_bus(1, 2600, omap3pandora_i2c_boardinfo,
+			ARRAY_SIZE(omap3pandora_i2c_boardinfo));
+	/* i2c2 pins are not connected */
+	omap_register_i2c_bus(3, 400, NULL, 0);
+	return 0;
+}
+
+static void __init omap3pandora_init_irq(void)
+{
+	omap2_init_common_hw();
+	omap_init_irq();
+	omap_gpio_init();
+}
+
+static void __init omap3pandora_ads7846_init(void)
+{
+	int gpio = OMAP3_PANDORA_TS_GPIO;
+	int ret;
+
+	ret = gpio_request(gpio, "ads7846_pen_down");
+	if (ret < 0) {
+		printk(KERN_ERR "Failed to request GPIO %d for "
+				"ads7846 pen down IRQ\n", gpio);
+		return;
+	}
+
+	gpio_direction_input(gpio);
+}
+
+static int ads7846_get_pendown_state(void)
+{
+	return !gpio_get_value(OMAP3_PANDORA_TS_GPIO);
+}
+
+static struct ads7846_platform_data ads7846_config = {
+	.x_max			= 0x0fff,
+	.y_max			= 0x0fff,
+	.x_plate_ohms		= 180,
+	.pressure_max		= 255,
+	.debounce_max		= 10,
+	.debounce_tol		= 3,
+	.debounce_rep		= 1,
+	.get_pendown_state	= ads7846_get_pendown_state,
+	.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 omap3pandora_spi_board_info[] __initdata = {
+	{
+		.modalias		= "ads7846",
+		.bus_num		= 1,
+		.chip_select		= 0,
+		.max_speed_hz		= 1500000,
+		.controller_data	= &ads7846_mcspi_config,
+		.irq			= OMAP_GPIO_IRQ(OMAP3_PANDORA_TS_GPIO),
+		.platform_data		= &ads7846_config,
+	}
+};
+
+static struct platform_device omap3pandora_lcd_device = {
+	.name		= "pandora_lcd",
+	.id		= -1,
+};
+
+static struct omap_lcd_config omap3pandora_lcd_config __initdata = {
+	.ctrl_name	= "internal",
+};
+
+static struct omap_board_config_kernel omap3pandora_config[] __initdata = {
+	{ OMAP_TAG_UART,	&omap3pandora_uart_config },
+	{ OMAP_TAG_LCD,		&omap3pandora_lcd_config },
+};
+
+static struct platform_device *omap3pandora_devices[] __initdata = {
+	&omap3pandora_lcd_device,
+};
+
+static void __init omap3pandora_init(void)
+{
+	omap3pandora_i2c_init();
+	platform_add_devices(omap3pandora_devices,
+			ARRAY_SIZE(omap3pandora_devices));
+	omap_board_config = omap3pandora_config;
+	omap_board_config_size = ARRAY_SIZE(omap3pandora_config);
+	omap_serial_init();
+	spi_register_board_info(omap3pandora_spi_board_info,
+			ARRAY_SIZE(omap3pandora_spi_board_info));
+	omap3pandora_ads7846_init();
+}
+
+static void __init omap3pandora_map_io(void)
+{
+	omap2_set_globals_343x();
+	omap2_map_common_io();
+}
+
+MACHINE_START(OMAP3_PANDORA, "Pandora Handheld Console")
+	.phys_io	= 0x48000000,
+	.io_pg_offst	= ((0xd8000000) >> 18) & 0xfffc,
+	.boot_params	= 0x80000100,
+	.map_io		= omap3pandora_map_io,
+	.init_irq	= omap3pandora_init_irq,
+	.init_machine	= omap3pandora_init,
+	.timer		= &omap_timer,
+MACHINE_END
diff --git a/arch/arm/mach-omap2/clock34xx.c b/arch/arm/mach-omap2/clock34xx.c
index 084e11082f8..31bb7010bd4 100644
--- a/arch/arm/mach-omap2/clock34xx.c
+++ b/arch/arm/mach-omap2/clock34xx.c
@@ -475,7 +475,7 @@ int __init omap2_clk_init(void)
 		 * Update this if there are further clock changes between ES2
 		 * and production parts
 		 */
-		if (is_sil_rev_equal_to(OMAP3430_REV_ES1_0)) {
+		if (omap_rev() == OMAP3430_REV_ES1_0) {
 			/* No 3430ES1-only rates exist, so no RATE_IN_3430ES1 */
 			cpu_clkflg |= CLOCK_IN_OMAP3430ES1;
 		} else {
diff --git a/arch/arm/mach-omap2/clock34xx.h b/arch/arm/mach-omap2/clock34xx.h
index c38a8a09692..7217a0824ec 100644
--- a/arch/arm/mach-omap2/clock34xx.h
+++ b/arch/arm/mach-omap2/clock34xx.h
@@ -2280,8 +2280,8 @@ static struct clk wkup_32k_fck = {
 	.recalc		= &followparent_recalc,
 };
 
-static struct clk gpio1_fck = {
-	.name		= "gpio1_fck",
+static struct clk gpio1_dbck = {
+	.name		= "gpio1_dbck",
 	.parent		= &wkup_32k_fck,
 	.enable_reg	= OMAP_CM_REGADDR(WKUP_MOD, CM_FCLKEN),
 	.enable_bit	= OMAP3430_EN_GPIO1_SHIFT,
@@ -2527,8 +2527,8 @@ static struct clk per_32k_alwon_fck = {
 	.recalc		= &followparent_recalc,
 };
 
-static struct clk gpio6_fck = {
-	.name		= "gpio6_fck",
+static struct clk gpio6_dbck = {
+	.name		= "gpio6_dbck",
 	.parent		= &per_32k_alwon_fck,
 	.enable_reg	= OMAP_CM_REGADDR(OMAP3430_PER_MOD, CM_FCLKEN),
 	.enable_bit	= OMAP3430_EN_GPIO6_SHIFT,
@@ -2537,8 +2537,8 @@ static struct clk gpio6_fck = {
 	.recalc		= &followparent_recalc,
 };
 
-static struct clk gpio5_fck = {
-	.name		= "gpio5_fck",
+static struct clk gpio5_dbck = {
+	.name		= "gpio5_dbck",
 	.parent		= &per_32k_alwon_fck,
 	.enable_reg	= OMAP_CM_REGADDR(OMAP3430_PER_MOD, CM_FCLKEN),
 	.enable_bit	= OMAP3430_EN_GPIO5_SHIFT,
@@ -2547,8 +2547,8 @@ static struct clk gpio5_fck = {
 	.recalc		= &followparent_recalc,
 };
 
-static struct clk gpio4_fck = {
-	.name		= "gpio4_fck",
+static struct clk gpio4_dbck = {
+	.name		= "gpio4_dbck",
 	.parent		= &per_32k_alwon_fck,
 	.enable_reg	= OMAP_CM_REGADDR(OMAP3430_PER_MOD, CM_FCLKEN),
 	.enable_bit	= OMAP3430_EN_GPIO4_SHIFT,
@@ -2557,8 +2557,8 @@ static struct clk gpio4_fck = {
 	.recalc		= &followparent_recalc,
 };
 
-static struct clk gpio3_fck = {
-	.name		= "gpio3_fck",
+static struct clk gpio3_dbck = {
+	.name		= "gpio3_dbck",
 	.parent		= &per_32k_alwon_fck,
 	.enable_reg	= OMAP_CM_REGADDR(OMAP3430_PER_MOD, CM_FCLKEN),
 	.enable_bit	= OMAP3430_EN_GPIO3_SHIFT,
@@ -2567,8 +2567,8 @@ static struct clk gpio3_fck = {
 	.recalc		= &followparent_recalc,
 };
 
-static struct clk gpio2_fck = {
-	.name		= "gpio2_fck",
+static struct clk gpio2_dbck = {
+	.name		= "gpio2_dbck",
 	.parent		= &per_32k_alwon_fck,
 	.enable_reg	= OMAP_CM_REGADDR(OMAP3430_PER_MOD, CM_FCLKEN),
 	.enable_bit	= OMAP3430_EN_GPIO2_SHIFT,
@@ -3170,7 +3170,7 @@ static struct clk *onchip_34xx_clks[] __initdata = {
 	&usim_fck,
 	&gpt1_fck,
 	&wkup_32k_fck,
-	&gpio1_fck,
+	&gpio1_dbck,
 	&wdt2_fck,
 	&wkup_l4_ick,
 	&usim_ick,
@@ -3192,11 +3192,11 @@ static struct clk *onchip_34xx_clks[] __initdata = {
 	&gpt8_fck,
 	&gpt9_fck,
 	&per_32k_alwon_fck,
-	&gpio6_fck,
-	&gpio5_fck,
-	&gpio4_fck,
-	&gpio3_fck,
-	&gpio2_fck,
+	&gpio6_dbck,
+	&gpio5_dbck,
+	&gpio4_dbck,
+	&gpio3_dbck,
+	&gpio2_dbck,
 	&wdt3_fck,
 	&per_l4_ick,
 	&gpio6_ick,
diff --git a/arch/arm/mach-omap2/id.c b/arch/arm/mach-omap2/id.c
index bf45ff39a7b..b0f8e7d6279 100644
--- a/arch/arm/mach-omap2/id.c
+++ b/arch/arm/mach-omap2/id.c
@@ -22,40 +22,15 @@
 #include <mach/control.h>
 #include <mach/cpu.h>
 
-static u32 class;
-static void __iomem *tap_base;
-static u16 tap_prod_id;
-
-#define OMAP_TAP_IDCODE		0x0204
-#define OMAP_TAP_DIE_ID_0	0x0218
-#define OMAP_TAP_DIE_ID_1	0x021C
-#define OMAP_TAP_DIE_ID_2	0x0220
-#define OMAP_TAP_DIE_ID_3	0x0224
-
-/* system_rev fields for OMAP2 processors:
- *   CPU id bits     [31:16],
- *   CPU device type [15:12], (unprg,normal,POP)
- *   CPU revision    [11:08]
- *   CPU class bits  [07:00]
- */
-
-struct omap_id {
-	u16	hawkeye;	/* Silicon type (Hawkeye id) */
-	u8	dev;		/* Device type from production_id reg */
-	u32	type;		/* combined type id copied to system_rev */
-};
+static struct omap_chip_id omap_chip;
+static unsigned int omap_revision;
 
-/* Register values to detect the OMAP version */
-static struct omap_id omap_ids[] __initdata = {
-	{ .hawkeye = 0xb5d9, .dev = 0x0, .type = 0x24200000 },
-	{ .hawkeye = 0xb5d9, .dev = 0x1, .type = 0x24201000 },
-	{ .hawkeye = 0xb5d9, .dev = 0x2, .type = 0x24202000 },
-	{ .hawkeye = 0xb5d9, .dev = 0x4, .type = 0x24220000 },
-	{ .hawkeye = 0xb5d9, .dev = 0x8, .type = 0x24230000 },
-	{ .hawkeye = 0xb68a, .dev = 0x0, .type = 0x24300000 },
-};
 
-static struct omap_chip_id omap_chip;
+unsigned int omap_rev(void)
+{
+	return omap_revision;
+}
+EXPORT_SYMBOL(omap_rev);
 
 /**
  * omap_chip_is - test whether currently running OMAP matches a chip type
@@ -70,135 +45,41 @@ int omap_chip_is(struct omap_chip_id oci)
 }
 EXPORT_SYMBOL(omap_chip_is);
 
-static u32 __init read_tap_reg(int reg)
-{
-	unsigned int regval = 0;
-	u32 cpuid;
-
-	/* Reading the IDCODE register on 3430 ES1 results in a
-	 * data abort as the register is not exposed on the OCP
-	 * Hence reading the Cortex Rev
-	 */
-	cpuid = read_cpuid(CPUID_ID);
-
-	/* If the processor type is Cortex-A8 and the revision is 0x0
-	 * it means its Cortex r0p0 which is 3430 ES1
-	 */
-	if ((((cpuid >> 4) & 0xFFF) == 0xC08) && ((cpuid & 0xF) == 0x0)) {
-
-		if (reg == tap_prod_id) {
-			regval = 0x000F00F0;
-			goto out;
-		}
-
-		switch (reg) {
-		case OMAP_TAP_IDCODE  : regval = 0x0B7AE02F; break;
-		/* Making DevType as 0xF in ES1 to differ from ES2 */
-		case OMAP_TAP_DIE_ID_0: regval = 0x01000000; break;
-		case OMAP_TAP_DIE_ID_1: regval = 0x1012d687; break;
-		case OMAP_TAP_DIE_ID_2:	regval = 0x00000000; break;
-		case OMAP_TAP_DIE_ID_3:	regval = 0x2d2c0000; break;
-		}
-	} else
-		regval = __raw_readl(tap_base + reg);
-
-out:
-	return regval;
-
-}
+/*----------------------------------------------------------------------------*/
 
-/*
- * _set_system_rev - set the system_rev global based on current OMAP chip type
- *
- * Set the system_rev global.  This is primarily used by the cpu_is_omapxxxx()
- * macros.
- */
-static void __init _set_system_rev(u32 type, u8 rev)
-{
-	u32 i, ctrl_status;
-
-	/*
-	 * system_rev encoding is as follows
-	 * system_rev & 0xff000000 -> Omap Class (24xx/34xx)
-	 * system_rev & 0xfff00000 -> Omap Sub Class (242x/343x)
-	 * system_rev & 0xffff0000 -> Omap type (2420/2422/2423/2430/3430)
-	 * system_rev & 0x0000f000 -> Silicon revision (ES1, ES2 )
-	 * system_rev & 0x00000700 -> Device Type ( EMU/HS/GP/BAD )
-	 * system_rev & 0x000000c0 -> IDCODE revision[6:7]
-	 * system_rev & 0x0000003f -> sys_boot[0:5]
-	 */
-	/* Embedding the ES revision info in type field */
-	system_rev = type;
-	/* Also add IDCODE revision info only two lower bits */
-	system_rev |= ((rev & 0x3) << 6);
-
-	/* Add in the device type and sys_boot fields (see above) */
-	if (cpu_is_omap24xx()) {
-		i = OMAP24XX_CONTROL_STATUS;
-	} else if (cpu_is_omap343x()) {
-		i = OMAP343X_CONTROL_STATUS;
-	} else {
-		printk(KERN_ERR "id: unknown CPU type\n");
-		BUG();
-	}
-	ctrl_status = omap_ctrl_readl(i);
-	system_rev |= (ctrl_status & (OMAP2_SYSBOOT_5_MASK |
-				      OMAP2_SYSBOOT_4_MASK |
-				      OMAP2_SYSBOOT_3_MASK |
-				      OMAP2_SYSBOOT_2_MASK |
-				      OMAP2_SYSBOOT_1_MASK |
-				      OMAP2_SYSBOOT_0_MASK));
-	system_rev |= (ctrl_status & OMAP2_DEVICETYPE_MASK);
-}
-
-
-/*
- * _set_omap_chip - set the omap_chip global based on OMAP chip type
- *
- * Build the omap_chip bits.  This variable is used by powerdomain and
- * clockdomain code to indicate whether structures are applicable for
- * the current OMAP chip type by ANDing it against a 'platform' bitfield
- * in the structure.
- */
-static void __init _set_omap_chip(void)
-{
-	if (cpu_is_omap343x()) {
-
-		omap_chip.oc = CHIP_IS_OMAP3430;
-		if (is_sil_rev_equal_to(OMAP3430_REV_ES1_0))
-			omap_chip.oc |= CHIP_IS_OMAP3430ES1;
-		else if (is_sil_rev_greater_than(OMAP3430_REV_ES1_0))
-			omap_chip.oc |= CHIP_IS_OMAP3430ES2;
-
-	} else if (cpu_is_omap243x()) {
-
-		/* Currently only supports 2430ES2.1 and 2430-all */
-		omap_chip.oc |= CHIP_IS_OMAP2430;
-
-	} else if (cpu_is_omap242x()) {
-
-		/* Currently only supports 2420ES2.1.1 and 2420-all */
-		omap_chip.oc |= CHIP_IS_OMAP2420;
+#define OMAP_TAP_IDCODE		0x0204
+#define OMAP_TAP_DIE_ID_0	0x0218
+#define OMAP_TAP_DIE_ID_1	0x021C
+#define OMAP_TAP_DIE_ID_2	0x0220
+#define OMAP_TAP_DIE_ID_3	0x0224
 
-	} else {
+#define read_tap_reg(reg)	__raw_readl(tap_base  + (reg))
 
-		/* Current CPU not supported by this code. */
-		printk(KERN_WARNING "OMAP chip type code does not yet support "
-		       "this CPU type.\n");
-		WARN_ON(1);
+struct omap_id {
+	u16	hawkeye;	/* Silicon type (Hawkeye id) */
+	u8	dev;		/* Device type from production_id reg */
+	u32	type;		/* Combined type id copied to omap_revision */
+};
 
-	}
+/* Register values to detect the OMAP version */
+static struct omap_id omap_ids[] __initdata = {
+	{ .hawkeye = 0xb5d9, .dev = 0x0, .type = 0x24200024 },
+	{ .hawkeye = 0xb5d9, .dev = 0x1, .type = 0x24201024 },
+	{ .hawkeye = 0xb5d9, .dev = 0x2, .type = 0x24202024 },
+	{ .hawkeye = 0xb5d9, .dev = 0x4, .type = 0x24220024 },
+	{ .hawkeye = 0xb5d9, .dev = 0x8, .type = 0x24230024 },
+	{ .hawkeye = 0xb68a, .dev = 0x0, .type = 0x24300024 },
+};
 
-}
+static void __iomem *tap_base;
+static u16 tap_prod_id;
 
-void __init omap2_check_revision(void)
+void __init omap24xx_check_revision(void)
 {
 	int i, j;
-	u32 idcode;
-	u32 prod_id;
+	u32 idcode, prod_id;
 	u16 hawkeye;
-	u8  dev_type;
-	u8  rev;
+	u8  dev_type, rev;
 
 	idcode = read_tap_reg(OMAP_TAP_IDCODE);
 	prod_id = read_tap_reg(tap_prod_id);
@@ -220,18 +101,6 @@ void __init omap2_check_revision(void)
 	pr_debug("OMAP_TAP_PROD_ID_0: 0x%08x DEV_TYPE: %i\n",
 		 prod_id, dev_type);
 
-	/*
-	 * Detection for 34xx ES2.0 and above can be done with just
-	 * hawkeye and rev. See TRM 1.5.2 Device Identification.
-	 * Note that rev cannot be used directly as ES1.0 uses value 0.
-	 */
-	if (hawkeye == 0xb7ae) {
-		system_rev = 0x34300000 | ((1 + rev) << 12);
-		pr_info("OMAP%04x ES2.%i\n", system_rev >> 16, rev);
-		_set_omap_chip();
-		return;
-	}
-
 	/* Check hawkeye ids */
 	for (i = 0; i < ARRAY_SIZE(omap_ids); i++) {
 		if (hawkeye == omap_ids[i].hawkeye)
@@ -255,23 +124,115 @@ void __init omap2_check_revision(void)
 		j = i;
 	}
 
-	_set_system_rev(omap_ids[j].type, rev);
+	pr_info("OMAP%04x", omap_rev() >> 16);
+	if ((omap_rev() >> 8) & 0x0f)
+		pr_info("ES%x", (omap_rev() >> 12) & 0xf);
+	pr_info("\n");
+}
 
-	_set_omap_chip();
+void __init omap34xx_check_revision(void)
+{
+	u32 cpuid, idcode;
+	u16 hawkeye;
+	u8 rev;
+	char *rev_name = "ES1.0";
 
-	pr_info("OMAP%04x", system_rev >> 16);
-	if ((system_rev >> 8) & 0x0f)
-		pr_info("ES%x", (system_rev >> 12) & 0xf);
-	pr_info("\n");
+	/*
+	 * We cannot access revision registers on ES1.0.
+	 * If the processor type is Cortex-A8 and the revision is 0x0
+	 * it means its Cortex r0p0 which is 3430 ES1.0.
+	 */
+	cpuid = read_cpuid(CPUID_ID);
+	if ((((cpuid >> 4) & 0xfff) == 0xc08) && ((cpuid & 0xf) == 0x0)) {
+		omap_revision = OMAP3430_REV_ES1_0;
+		goto out;
+	}
 
+	/*
+	 * Detection for 34xx ES2.0 and above can be done with just
+	 * hawkeye and rev. See TRM 1.5.2 Device Identification.
+	 * Note that rev does not map directly to our defined processor
+	 * revision numbers as ES1.0 uses value 0.
+	 */
+	idcode = read_tap_reg(OMAP_TAP_IDCODE);
+	hawkeye = (idcode >> 12) & 0xffff;
+	rev = (idcode >> 28) & 0xff;
+
+	if (hawkeye == 0xb7ae) {
+		switch (rev) {
+		case 0:
+			omap_revision = OMAP3430_REV_ES2_0;
+			rev_name = "ES2.0";
+			break;
+		case 2:
+			omap_revision = OMAP3430_REV_ES2_1;
+			rev_name = "ES2.1";
+			break;
+		case 3:
+			omap_revision = OMAP3430_REV_ES3_0;
+			rev_name = "ES3.0";
+			break;
+		default:
+			/* Use the latest known revision as default */
+			omap_revision = OMAP3430_REV_ES3_0;
+			rev_name = "Unknown revision\n";
+		}
+	}
+
+out:
+	pr_info("OMAP%04x %s\n", omap_rev() >> 16, rev_name);
 }
 
+/*
+ * Try to detect the exact revision of the omap we're running on
+ */
+void __init omap2_check_revision(void)
+{
+	/*
+	 * At this point we have an idea about the processor revision set
+	 * earlier with omap2_set_globals_tap().
+	 */
+	if (cpu_is_omap24xx())
+		omap24xx_check_revision();
+	else if (cpu_is_omap34xx())
+		omap34xx_check_revision();
+	else
+		pr_err("OMAP revision unknown, please fix!\n");
+
+	/*
+	 * OK, now we know the exact revision. Initialize omap_chip bits
+	 * for powerdowmain and clockdomain code.
+	 */
+	if (cpu_is_omap243x()) {
+		/* Currently only supports 2430ES2.1 and 2430-all */
+		omap_chip.oc |= CHIP_IS_OMAP2430;
+	} else if (cpu_is_omap242x()) {
+		/* Currently only supports 2420ES2.1.1 and 2420-all */
+		omap_chip.oc |= CHIP_IS_OMAP2420;
+	} else if (cpu_is_omap343x()) {
+		omap_chip.oc = CHIP_IS_OMAP3430;
+		if (omap_rev() == OMAP3430_REV_ES1_0)
+			omap_chip.oc |= CHIP_IS_OMAP3430ES1;
+		else if (omap_rev() > OMAP3430_REV_ES1_0)
+			omap_chip.oc |= CHIP_IS_OMAP3430ES2;
+	} else {
+		pr_err("Uninitialized omap_chip, please fix!\n");
+	}
+}
+
+/*
+ * Set up things for map_io and processor detection later on. Gets called
+ * pretty much first thing from board init. For multi-omap, this gets
+ * cpu_is_omapxxxx() working accurately enough for map_io. Then we'll try to
+ * detect the exact revision later on in omap2_detect_revision() once map_io
+ * is done.
+ */
 void __init omap2_set_globals_tap(struct omap_globals *omap2_globals)
 {
-	class = omap2_globals->class;
+	omap_revision = omap2_globals->class;
 	tap_base = omap2_globals->tap;
 
-	if (class == 0x3430)
+	if (cpu_is_omap34xx())
 		tap_prod_id = 0x0210;
 	else
 		tap_prod_id = 0x0208;
diff --git a/arch/arm/mach-omap2/irq.c b/arch/arm/mach-omap2/irq.c
index c40fc378a25..636e2821af7 100644
--- a/arch/arm/mach-omap2/irq.c
+++ b/arch/arm/mach-omap2/irq.c
@@ -23,6 +23,7 @@
 #define INTC_REVISION		0x0000
 #define INTC_SYSCONFIG		0x0010
 #define INTC_SYSSTATUS		0x0014
+#define INTC_SIR		0x0040
 #define INTC_CONTROL		0x0048
 #define INTC_MIR_CLEAR0		0x0088
 #define INTC_MIR_SET0		0x008c
@@ -60,6 +61,30 @@ static u32 intc_bank_read_reg(struct omap_irq_bank *bank, u16 reg)
 	return __raw_readl(bank->base_reg + reg);
 }
 
+static int previous_irq;
+
+/*
+ * On 34xx we can get occasional spurious interrupts if the ack from
+ * an interrupt handler does not get posted before we unmask. Warn about
+ * the interrupt handlers that need to flush posted writes.
+ */
+static int omap_check_spurious(unsigned int irq)
+{
+	u32 sir, spurious;
+
+	sir = intc_bank_read_reg(&irq_banks[0], INTC_SIR);
+	spurious = sir >> 6;
+
+	if (spurious > 1) {
+		printk(KERN_WARNING "Spurious irq %i: 0x%08x, please flush "
+					"posted write for irq %i\n",
+					irq, sir, previous_irq);
+		return spurious;
+	}
+
+	return 0;
+}
+
 /* XXX: FIQ and additional INTC support (only MPU at the moment) */
 static void omap_ack_irq(unsigned int irq)
 {
@@ -70,6 +95,20 @@ static void omap_mask_irq(unsigned int irq)
 {
 	int offset = irq & (~(IRQ_BITS_PER_REG - 1));
 
+	if (cpu_is_omap34xx()) {
+		int spurious = 0;
+
+		/*
+		 * INT_34XX_GPT12_IRQ is also the spurious irq. Maybe because
+		 * it is the highest irq number?
+		 */
+		if (irq == INT_34XX_GPT12_IRQ)
+			spurious = omap_check_spurious(irq);
+
+		if (!spurious)
+			previous_irq = irq;
+	}
+
 	irq &= (IRQ_BITS_PER_REG - 1);
 
 	intc_bank_write_reg(1 << irq, &irq_banks[0], INTC_MIR_SET0 + offset);
diff --git a/arch/arm/mach-omap2/mux.c b/arch/arm/mach-omap2/mux.c
index b1393673d95..dacb41f130c 100644
--- a/arch/arm/mach-omap2/mux.c
+++ b/arch/arm/mach-omap2/mux.c
@@ -203,6 +203,15 @@ MUX_CFG_24XX("AE9_2430_USB0HS_NXT",	0x13D,	0,	0,	0,	1)
 MUX_CFG_24XX("AC7_2430_USB0HS_DATA7",	0x13E,	0,	0,	0,	1)
 
 /* 2430 McBSP */
+MUX_CFG_24XX("AD6_2430_MCBSP_CLKS",	0x011E,	0,	0,	0,	1)
+
+MUX_CFG_24XX("AB2_2430_MCBSP1_CLKR",	0x011A,	0,	0,	0,	1)
+MUX_CFG_24XX("AD5_2430_MCBSP1_FSR",	0x011B,	0,	0,	0,	1)
+MUX_CFG_24XX("AA1_2430_MCBSP1_DX",	0x011C,	0,	0,	0,	1)
+MUX_CFG_24XX("AF3_2430_MCBSP1_DR",	0x011D,	0,	0,	0,	1)
+MUX_CFG_24XX("AB3_2430_MCBSP1_FSX",	0x011F,	0,	0,	0,	1)
+MUX_CFG_24XX("Y9_2430_MCBSP1_CLKX",	0x0120,	0,	0,	0,	1)
+
 MUX_CFG_24XX("AC10_2430_MCBSP2_FSX",	0x012E,	1,	0,	0,	1)
 MUX_CFG_24XX("AD16_2430_MCBSP2_CLX",	0x012F,	1,	0,	0,	1)
 MUX_CFG_24XX("AE13_2430_MCBSP2_DX",	0x0130,	1,	0,	0,	1)
@@ -211,6 +220,31 @@ MUX_CFG_24XX("AC10_2430_MCBSP2_FSX_OFF",0x012E,	0,	0,	0,	1)
 MUX_CFG_24XX("AD16_2430_MCBSP2_CLX_OFF",0x012F,	0,	0,	0,	1)
 MUX_CFG_24XX("AE13_2430_MCBSP2_DX_OFF",	0x0130,	0,	0,	0,	1)
 MUX_CFG_24XX("AD13_2430_MCBSP2_DR_OFF",	0x0131,	0,	0,	0,	1)
+
+MUX_CFG_24XX("AC9_2430_MCBSP3_CLKX",	0x0103,	0,	0,	0,	1)
+MUX_CFG_24XX("AE4_2430_MCBSP3_FSX",	0x0104,	0,	0,	0,	1)
+MUX_CFG_24XX("AE2_2430_MCBSP3_DR",	0x0105,	0,	0,	0,	1)
+MUX_CFG_24XX("AF4_2430_MCBSP3_DX",	0x0106,	0,	0,	0,	1)
+
+MUX_CFG_24XX("N3_2430_MCBSP4_CLKX",	0x010B,	1,	0,	0,	1)
+MUX_CFG_24XX("AD23_2430_MCBSP4_DR",	0x010C,	1,	0,	0,	1)
+MUX_CFG_24XX("AB25_2430_MCBSP4_DX",	0x010D,	1,	0,	0,	1)
+MUX_CFG_24XX("AC25_2430_MCBSP4_FSX",	0x010E,	1,	0,	0,	1)
+
+MUX_CFG_24XX("AE16_2430_MCBSP5_CLKX",	0x00ED,	1,	0,	0,	1)
+MUX_CFG_24XX("AF12_2430_MCBSP5_FSX",	0x00ED,	1,	0,	0,	1)
+MUX_CFG_24XX("K7_2430_MCBSP5_DX",	0x00EF,	1,	0,	0,	1)
+MUX_CFG_24XX("M1_2430_MCBSP5_DR",	0x00F0,	1,	0,	0,	1)
+
+/* 2430 MCSPI1 */
+MUX_CFG_24XX("Y18_2430_MCSPI1_CLK",	0x010F,	0,	0,	0,	1)
+MUX_CFG_24XX("AD15_2430_MCSPI1_SIMO",	0x0110,	0,	0,	0,	1)
+MUX_CFG_24XX("AE17_2430_MCSPI1_SOMI",	0x0111,	0,	0,	0,	1)
+MUX_CFG_24XX("U1_2430_MCSPI1_CS0",	0x0112,	0,	0,	0,	1)
+
+/* Touchscreen GPIO */
+MUX_CFG_24XX("AF19_2430_GPIO_85",	0x0113,	3,	0,	0,	1)
+
 };
 
 #define OMAP24XX_PINS_SZ	ARRAY_SIZE(omap24xx_pins)
@@ -417,6 +451,14 @@ MUX_CFG_34XX("AD2_3430_USB3FS_PHY_MM3_TXDAT", 0x188,
 MUX_CFG_34XX("AC1_3430_USB3FS_PHY_MM3_TXEN_N", 0x18a,
 		OMAP34XX_MUX_MODE6 | OMAP34XX_PIN_OUTPUT)
 
+
+/* 34XX GPIO - bidirectional, unless the name has an "_OUT" suffix.
+ * No internal pullup/pulldown without "_UP" or "_DOWN" suffix.
+ */
+MUX_CFG_34XX("AH8_34XX_GPIO29", 0x5fa,
+		OMAP34XX_MUX_MODE4 | OMAP34XX_PIN_INPUT)
+MUX_CFG_34XX("J25_34XX_GPIO170", 0x1c6,
+		OMAP34XX_MUX_MODE4 | OMAP34XX_PIN_INPUT)
 };
 
 #define OMAP34XX_PINS_SZ	ARRAY_SIZE(omap34xx_pins)
@@ -452,7 +494,7 @@ static void __init_or_module omap2_cfg_debug(const struct pin_config *cfg, u16 r
 #endif
 
 #ifdef CONFIG_ARCH_OMAP24XX
-int __init_or_module omap24xx_cfg_reg(const struct pin_config *cfg)
+static int __init_or_module omap24xx_cfg_reg(const struct pin_config *cfg)
 {
 	static DEFINE_SPINLOCK(mux_spin_lock);
 	unsigned long flags;
diff --git a/arch/arm/mach-omap2/usb-tusb6010.c b/arch/arm/mach-omap2/usb-tusb6010.c
index 10ef464d6be..15e509013de 100644
--- a/arch/arm/mach-omap2/usb-tusb6010.c
+++ b/arch/arm/mach-omap2/usb-tusb6010.c
@@ -12,11 +12,11 @@
 #include <linux/errno.h>
 #include <linux/delay.h>
 #include <linux/platform_device.h>
+#include <linux/gpio.h>
 
 #include <linux/usb/musb.h>
 
 #include <mach/gpmc.h>
-#include <mach/gpio.h>
 #include <mach/mux.h>
 
 
@@ -292,12 +292,12 @@ tusb6010_setup_interface(struct musb_hdrc_platform_data *data,
 			);
 
 	/* IRQ */
-	status = omap_request_gpio(irq);
+	status = gpio_request(irq, "TUSB6010 irq");
 	if (status < 0) {
 		printk(error, 3, status);
 		return status;
 	}
-	omap_set_gpio_direction(irq, 1);
+	gpio_direction_input(irq);
 	tusb_resources[2].start = irq + IH_GPIO_BASE;
 
 	/* set up memory timings ... can speed them up later */