[ARM] 3142/1: OMAP 2/5: Update files common to omap1 and omap2

Patch from Tony Lindgren

This patch syncs the mainline kernel with linux-omap tree.
The highlights of the patch are:

- Serial port and framebuffer init improvments by Imre Deak

- Common omap pin mux framework by Tony Lindgren

- Common omap clock framework by Tony Lindren
Signed-off-by: NTony Lindgren <tony@atomide.com>
Signed-off-by: NRussell King <rmk+kernel@arm.linux.org.uk>

arch/arm/plat-omap/Makefile

@@ -3,7 +3,7 @@
 #
 
 # Common support
-obj-y := common.o sram.o sram-fn.o clock.o dma.o mux.o gpio.o mcbsp.o usb.o
+obj-y := common.o sram.o sram-fn.o clock.o devices.o dma.o mux.o gpio.o mcbsp.o usb.o
 obj-m :=
 obj-n :=
 obj-  :=

arch/arm/plat-omap/clock.h

-/*
- *  linux/arch/arm/plat-omap/clock.h
- *
- *  Copyright (C) 2004 Nokia corporation
- *  Written by Tuukka Tikkanen <tuukka.tikkanen@elektrobit.com>
- *  Based on clocks.h by Tony Lindgren, Gordon McNutt and RidgeRun, Inc
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- */
-
-#ifndef __ARCH_ARM_OMAP_CLOCK_H
-#define __ARCH_ARM_OMAP_CLOCK_H
-
-struct module;
-
-struct clk {
-	struct list_head	node;
-	struct module		*owner;
-	const char		*name;
-	struct clk		*parent;
-	unsigned long		rate;
-	__s8			usecount;
-	__u16			flags;
-	__u32			enable_reg;
-	__u8			enable_bit;
-	__u8			rate_offset;
-	void			(*recalc)(struct clk *);
-	int			(*set_rate)(struct clk *, unsigned long);
-	long			(*round_rate)(struct clk *, unsigned long);
-	void			(*init)(struct clk *);
-};
-
-
-struct mpu_rate {
-	unsigned long		rate;
-	unsigned long		xtal;
-	unsigned long		pll_rate;
-	__u16			ckctl_val;
-	__u16			dpllctl_val;
-};
-
-
-/* Clock flags */
-#define RATE_CKCTL		1
-#define RATE_FIXED		2
-#define RATE_PROPAGATES		4
-#define VIRTUAL_CLOCK		8
-#define ALWAYS_ENABLED		16
-#define ENABLE_REG_32BIT	32
-#define CLOCK_IN_OMAP16XX	64
-#define CLOCK_IN_OMAP1510	128
-#define CLOCK_IN_OMAP730	256
-#define DSP_DOMAIN_CLOCK	512
-#define VIRTUAL_IO_ADDRESS	1024
-
-/* ARM_CKCTL bit shifts */
-#define CKCTL_PERDIV_OFFSET	0
-#define CKCTL_LCDDIV_OFFSET	2
-#define CKCTL_ARMDIV_OFFSET	4
-#define CKCTL_DSPDIV_OFFSET	6
-#define CKCTL_TCDIV_OFFSET	8
-#define CKCTL_DSPMMUDIV_OFFSET	10
-/*#define ARM_TIMXO		12*/
-#define EN_DSPCK		13
-/*#define ARM_INTHCK_SEL	14*/ /* Divide-by-2 for mpu inth_ck */
-/* DSP_CKCTL bit shifts */
-#define CKCTL_DSPPERDIV_OFFSET	0
-
-/* ARM_IDLECT1 bit shifts */
-/*#define IDLWDT_ARM	0*/
-/*#define IDLXORP_ARM	1*/
-/*#define IDLPER_ARM	2*/
-/*#define IDLLCD_ARM	3*/
-/*#define IDLLB_ARM	4*/
-/*#define IDLHSAB_ARM	5*/
-/*#define IDLIF_ARM	6*/
-/*#define IDLDPLL_ARM	7*/
-/*#define IDLAPI_ARM	8*/
-/*#define IDLTIM_ARM	9*/
-/*#define SETARM_IDLE	11*/
-
-/* ARM_IDLECT2 bit shifts */
-#define EN_WDTCK	0
-#define EN_XORPCK	1
-#define EN_PERCK	2
-#define EN_LCDCK	3
-#define EN_LBCK		4 /* Not on 1610/1710 */
-/*#define EN_HSABCK	5*/
-#define EN_APICK	6
-#define EN_TIMCK	7
-#define DMACK_REQ	8
-#define EN_GPIOCK	9 /* Not on 1610/1710 */
-/*#define EN_LBFREECK	10*/
-#define EN_CKOUT_ARM	11
-
-/* ARM_IDLECT3 bit shifts */
-#define EN_OCPI_CK	0
-#define EN_TC1_CK	2
-#define EN_TC2_CK	4
-
-/* DSP_IDLECT2 bit shifts (0,1,2 are same as for ARM_IDLECT2) */
-#define EN_DSPTIMCK	5
-
-/* Various register defines for clock controls scattered around OMAP chip */
-#define USB_MCLK_EN_BIT		4	/* In ULPD_CLKC_CTRL */
-#define USB_HOST_HHC_UHOST_EN	9	/* In MOD_CONF_CTRL_0 */
-#define SWD_ULPD_PLL_CLK_REQ	1	/* In SWD_CLK_DIV_CTRL_SEL */
-#define COM_ULPD_PLL_CLK_REQ	1	/* In COM_CLK_DIV_CTRL_SEL */
-#define SWD_CLK_DIV_CTRL_SEL	0xfffe0874
-#define COM_CLK_DIV_CTRL_SEL	0xfffe0878
-#define SOFT_REQ_REG		0xfffe0834
-#define SOFT_REQ_REG2		0xfffe0880
-
-int clk_register(struct clk *clk);
-void clk_unregister(struct clk *clk);
-int clk_init(void);
-
-#endif

arch/arm/plat-omap/common.c

@@ -31,7 +31,7 @@
 #include <asm/arch/mux.h>
 #include <asm/arch/fpga.h>
 
-#include "clock.h"
+#include <asm/arch/clock.h>
 
 #define NO_LENGTH_CHECK 0xffffffff
 
@@ -117,19 +117,43 @@ EXPORT_SYMBOL(omap_get_var_config);
 
 static int __init omap_add_serial_console(void)
 {
-	const struct omap_serial_console_config *info;
-
-	info = omap_get_config(OMAP_TAG_SERIAL_CONSOLE,
-			       struct omap_serial_console_config);
-	if (info != NULL && info->console_uart) {
-		static char speed[11], *opt = NULL;
+	const struct omap_serial_console_config *con_info;
+	const struct omap_uart_config *uart_info;
+	static char speed[11], *opt = NULL;
+	int line, i, uart_idx;
+
+	uart_info = omap_get_config(OMAP_TAG_UART, struct omap_uart_config);
+	con_info = omap_get_config(OMAP_TAG_SERIAL_CONSOLE,
+					struct omap_serial_console_config);
+	if (uart_info == NULL || con_info == NULL)
+		return 0;
+
+	if (con_info->console_uart == 0)
+		return 0;
+
+	if (con_info->console_speed) {
+		snprintf(speed, sizeof(speed), "%u", con_info->console_speed);
+		opt = speed;
+	}
 
-		if (info->console_speed) {
-			snprintf(speed, sizeof(speed), "%u", info->console_speed);
-			opt = speed;
-		}
-		return add_preferred_console("ttyS", info->console_uart - 1, opt);
+	uart_idx = con_info->console_uart - 1;
+	if (uart_idx >= OMAP_MAX_NR_PORTS) {
+		printk(KERN_INFO "Console: external UART#%d. "
+			"Not adding it as console this time.\n",
+			uart_idx + 1);
+		return 0;
+	}
+	if (!(uart_info->enabled_uarts & (1 << uart_idx))) {
+		printk(KERN_ERR "Console: Selected UART#%d is "
+			"not enabled for this platform\n",
+			uart_idx + 1);
+		return -1;
+	}
+	line = 0;
+	for (i = 0; i < uart_idx; i++) {
+		if (uart_info->enabled_uarts & (1 << i))
+			line++;
 	}
-	return 0;
+	return add_preferred_console("ttyS", line, opt);
 }
 console_initcall(omap_add_serial_console);

arch/arm/plat-omap/devices.c

+/*
+ * linux/arch/arm/plat-omap/devices.c
+ *
+ * Common platform device setup/initialization for OMAP1 and OMAP2
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ */
+
+#include <linux/config.h>
+#include <linux/module.h>
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/platform_device.h>
+
+#include <asm/hardware.h>
+#include <asm/io.h>
+#include <asm/mach-types.h>
+#include <asm/mach/map.h>
+
+#include <asm/arch/tc.h>
+#include <asm/arch/board.h>
+#include <asm/arch/mux.h>
+#include <asm/arch/gpio.h>
+
+
+void omap_nop_release(struct device *dev)
+{
+        /* Nothing */
+}
+
+/*-------------------------------------------------------------------------*/
+
+#if 	defined(CONFIG_I2C_OMAP) || defined(CONFIG_I2C_OMAP_MODULE)
+
+#define	OMAP1_I2C_BASE		0xfffb3800
+#define OMAP2_I2C_BASE1		0x48070000
+#define OMAP_I2C_SIZE		0x3f
+#define OMAP1_I2C_INT		INT_I2C
+#define OMAP2_I2C_INT1		56
+
+static struct resource i2c_resources1[] = {
+	{
+		.start		= 0,
+		.end		= 0,
+		.flags		= IORESOURCE_MEM,
+	},
+	{
+		.start		= 0,
+		.flags		= IORESOURCE_IRQ,
+	},
+};
+
+/* DMA not used; works around erratum writing to non-empty i2c fifo */
+
+static struct platform_device omap_i2c_device1 = {
+        .name           = "i2c_omap",
+        .id             = 1,
+        .dev = {
+                .release        = omap_nop_release,
+        },
+	.num_resources	= ARRAY_SIZE(i2c_resources1),
+	.resource	= i2c_resources1,
+};
+
+/* See also arch/arm/mach-omap2/devices.c for second I2C on 24xx */
+static void omap_init_i2c(void)
+{
+	if (cpu_is_omap24xx()) {
+		i2c_resources1[0].start = OMAP2_I2C_BASE1;
+		i2c_resources1[0].end = OMAP2_I2C_BASE1 + OMAP_I2C_SIZE;
+		i2c_resources1[1].start = OMAP2_I2C_INT1;
+	} else {
+		i2c_resources1[0].start = OMAP1_I2C_BASE;
+		i2c_resources1[0].end = OMAP1_I2C_BASE + OMAP_I2C_SIZE;
+		i2c_resources1[1].start = OMAP1_I2C_INT;
+	}
+
+	/* FIXME define and use a boot tag, in case of boards that
+	 * either don't wire up I2C, or chips that mux it differently...
+	 * it can include clocking and address info, maybe more.
+	 */
+	if (cpu_is_omap24xx()) {
+		omap_cfg_reg(M19_24XX_I2C1_SCL);
+		omap_cfg_reg(L15_24XX_I2C1_SDA);
+	} else {
+		omap_cfg_reg(I2C_SCL);
+		omap_cfg_reg(I2C_SDA);
+	}
+
+	(void) platform_device_register(&omap_i2c_device1);
+}
+
+#else
+static inline void omap_init_i2c(void) {}
+#endif
+
+/*-------------------------------------------------------------------------*/
+
+#if	defined(CONFIG_MMC_OMAP) || defined(CONFIG_MMC_OMAP_MODULE)
+
+#ifdef CONFIG_ARCH_OMAP24XX
+#define	OMAP_MMC1_BASE		0x4809c000
+#define OMAP_MMC1_INT		83
+#else
+#define	OMAP_MMC1_BASE		0xfffb7800
+#define OMAP_MMC1_INT		INT_MMC
+#endif
+#define	OMAP_MMC2_BASE		0xfffb7c00	/* omap16xx only */
+
+static struct omap_mmc_conf mmc1_conf;
+
+static u64 mmc1_dmamask = 0xffffffff;
+
+static struct resource mmc1_resources[] = {
+	{
+		.start		= IO_ADDRESS(OMAP_MMC1_BASE),
+		.end		= IO_ADDRESS(OMAP_MMC1_BASE) + 0x7f,
+		.flags		= IORESOURCE_MEM,
+	},
+	{
+		.start		= OMAP_MMC1_INT,
+		.flags		= IORESOURCE_IRQ,
+	},
+};
+
+static struct platform_device mmc_omap_device1 = {
+	.name		= "mmci-omap",
+	.id		= 1,
+	.dev = {
+		.release	= omap_nop_release,
+		.dma_mask	= &mmc1_dmamask,
+		.platform_data	= &mmc1_conf,
+	},
+	.num_resources	= ARRAY_SIZE(mmc1_resources),
+	.resource	= mmc1_resources,
+};
+
+#ifdef	CONFIG_ARCH_OMAP16XX
+
+static struct omap_mmc_conf mmc2_conf;
+
+static u64 mmc2_dmamask = 0xffffffff;
+
+static struct resource mmc2_resources[] = {
+	{
+		.start		= IO_ADDRESS(OMAP_MMC2_BASE),
+		.end		= IO_ADDRESS(OMAP_MMC2_BASE) + 0x7f,
+		.flags		= IORESOURCE_MEM,
+	},
+	{
+		.start		= INT_1610_MMC2,
+		.flags		= IORESOURCE_IRQ,
+	},
+};
+
+static struct platform_device mmc_omap_device2 = {
+	.name		= "mmci-omap",
+	.id		= 2,
+	.dev = {
+		.release	= omap_nop_release,
+		.dma_mask	= &mmc2_dmamask,
+		.platform_data	= &mmc2_conf,
+	},
+	.num_resources	= ARRAY_SIZE(mmc2_resources),
+	.resource	= mmc2_resources,
+};
+#endif
+
+static void __init omap_init_mmc(void)
+{
+	const struct omap_mmc_config	*mmc_conf;
+	const struct omap_mmc_conf	*mmc;
+
+	/* NOTE:  assumes MMC was never (wrongly) enabled */
+	mmc_conf = omap_get_config(OMAP_TAG_MMC, struct omap_mmc_config);
+	if (!mmc_conf)
+		return;
+
+	/* block 1 is always available and has just one pinout option */
+	mmc = &mmc_conf->mmc[0];
+	if (mmc->enabled) {
+		if (!cpu_is_omap24xx()) {
+			omap_cfg_reg(MMC_CMD);
+			omap_cfg_reg(MMC_CLK);
+			omap_cfg_reg(MMC_DAT0);
+			if (cpu_is_omap1710()) {
+				omap_cfg_reg(M15_1710_MMC_CLKI);
+				omap_cfg_reg(P19_1710_MMC_CMDDIR);
+				omap_cfg_reg(P20_1710_MMC_DATDIR0);
+			}
+		}
+		if (mmc->wire4) {
+			if (!cpu_is_omap24xx()) {
+				omap_cfg_reg(MMC_DAT1);
+				/* NOTE:  DAT2 can be on W10 (here) or M15 */
+				if (!mmc->nomux)
+					omap_cfg_reg(MMC_DAT2);
+				omap_cfg_reg(MMC_DAT3);
+			}
+		}
+		mmc1_conf = *mmc;
+		(void) platform_device_register(&mmc_omap_device1);
+	}
+
+#ifdef	CONFIG_ARCH_OMAP16XX
+	/* block 2 is on newer chips, and has many pinout options */
+	mmc = &mmc_conf->mmc[1];
+	if (mmc->enabled) {
+		if (!mmc->nomux) {
+			omap_cfg_reg(Y8_1610_MMC2_CMD);
+			omap_cfg_reg(Y10_1610_MMC2_CLK);
+			omap_cfg_reg(R18_1610_MMC2_CLKIN);
+			omap_cfg_reg(W8_1610_MMC2_DAT0);
+			if (mmc->wire4) {
+				omap_cfg_reg(V8_1610_MMC2_DAT1);
+				omap_cfg_reg(W15_1610_MMC2_DAT2);
+				omap_cfg_reg(R10_1610_MMC2_DAT3);
+			}
+
+			/* These are needed for the level shifter */
+			omap_cfg_reg(V9_1610_MMC2_CMDDIR);
+			omap_cfg_reg(V5_1610_MMC2_DATDIR0);
+			omap_cfg_reg(W19_1610_MMC2_DATDIR1);
+		}
+
+		/* Feedback clock must be set on OMAP-1710 MMC2 */
+		if (cpu_is_omap1710())
+			omap_writel(omap_readl(MOD_CONF_CTRL_1) | (1 << 24),
+				     MOD_CONF_CTRL_1);
+		mmc2_conf = *mmc;
+		(void) platform_device_register(&mmc_omap_device2);
+	}
+#endif
+	return;
+}
+#else
+static inline void omap_init_mmc(void) {}
+#endif
+
+#if	defined(CONFIG_OMAP_WATCHDOG) || defined(CONFIG_OMAP_WATCHDOG_MODULE)
+
+#ifdef CONFIG_ARCH_OMAP24XX
+#define	OMAP_WDT_BASE		0x48022000
+#else
+#define	OMAP_WDT_BASE		0xfffeb000
+#endif
+
+static struct resource wdt_resources[] = {
+	{
+		.start		= OMAP_WDT_BASE,
+		.end		= OMAP_WDT_BASE + 0x4f,
+		.flags		= IORESOURCE_MEM,
+	},
+};
+
+static struct platform_device omap_wdt_device = {
+	.name	   = "omap_wdt",
+	.id	     = -1,
+	.dev = {
+		.release	= omap_nop_release,
+	},
+	.num_resources	= ARRAY_SIZE(wdt_resources),
+	.resource	= wdt_resources,
+};
+
+static void omap_init_wdt(void)
+{
+	(void) platform_device_register(&omap_wdt_device);
+}
+#else
+static inline void omap_init_wdt(void) {}
+#endif
+
+/*-------------------------------------------------------------------------*/
+
+#if	defined(CONFIG_OMAP_RNG) || defined(CONFIG_OMAP_RNG_MODULE)
+
+#ifdef CONFIG_ARCH_OMAP24XX
+#define	OMAP_RNG_BASE		0x480A0000
+#else
+#define	OMAP_RNG_BASE		0xfffe5000
+#endif
+
+static struct resource rng_resources[] = {
+	{
+		.start		= OMAP_RNG_BASE,
+		.end		= OMAP_RNG_BASE + 0x4f,
+		.flags		= IORESOURCE_MEM,
+	},
+};
+
+static struct platform_device omap_rng_device = {
+	.name	   = "omap_rng",
+	.id	     = -1,
+	.dev = {
+		.release	= omap_nop_release,
+	},
+	.num_resources	= ARRAY_SIZE(rng_resources),
+	.resource	= rng_resources,
+};
+
+static void omap_init_rng(void)
+{
+	(void) platform_device_register(&omap_rng_device);
+}
+#else
+static inline void omap_init_rng(void) {}
+#endif
+
+#if defined(CONFIG_FB_OMAP) || defined(CONFIG_FB_OMAP_MODULE)
+
+static struct omap_lcd_config omap_fb_conf;
+
+static u64 omap_fb_dma_mask = ~(u32)0;
+
+static struct platform_device omap_fb_device = {
+	.name		= "omapfb",
+	.id		= -1,
+	.dev = {
+		.release		= omap_nop_release,
+		.dma_mask		= &omap_fb_dma_mask,
+		.coherent_dma_mask	= ~(u32)0,
+		.platform_data		= &omap_fb_conf,
+	},
+	.num_resources = 0,
+};
+
+static inline void omap_init_fb(void)
+{
+	const struct omap_lcd_config *conf;
+
+	conf = omap_get_config(OMAP_TAG_LCD, struct omap_lcd_config);
+	if (conf != NULL)
+		omap_fb_conf = *conf;
+	platform_device_register(&omap_fb_device);
+}
+
+#else
+
+static inline void omap_init_fb(void) {}
+
+#endif
+
+/*
+ * This gets called after board-specific INIT_MACHINE, and initializes most
+ * on-chip peripherals accessible on this board (except for few like USB):
+ *
+ *  (a) Does any "standard config" pin muxing needed.  Board-specific
+ *	code will have muxed GPIO pins and done "nonstandard" setup;
+ *	that code could live in the boot loader.
+ *  (b) Populating board-specific platform_data with the data drivers
+ *	rely on to handle wiring variations.
+ *  (c) Creating platform devices as meaningful on this board and
+ *	with this kernel configuration.
+ *
+ * Claiming GPIOs, and setting their direction and initial values, is the
+ * responsibility of the device drivers.  So is responding to probe().
+ *
+ * Board-specific knowlege like creating devices or pin setup is to be
+ * kept out of drivers as much as possible.  In particular, pin setup
+ * may be handled by the boot loader, and drivers should expect it will
+ * normally have been done by the time they're probed.
+ */
+static int __init omap_init_devices(void)
+{
+	/* please keep these calls, and their implementations above,
+	 * in alphabetical order so they're easier to sort through.
+	 */
+	omap_init_fb();
+	omap_init_i2c();
+	omap_init_mmc();
+	omap_init_wdt();
+	omap_init_rng();
+
+	return 0;
+}
+arch_initcall(omap_init_devices);
+

arch/arm/plat-omap/gpio.c

@@ -140,7 +140,7 @@ static struct gpio_bank gpio_bank_1610[5] = {
 };
 #endif
 
-#ifdef CONFIG_ARCH_OMAP1510
+#ifdef CONFIG_ARCH_OMAP15XX
 static struct gpio_bank gpio_bank_1510[2] = {
 	{ OMAP_MPUIO_BASE,    INT_MPUIO,      IH_MPUIO_BASE, METHOD_MPUIO },
 	{ OMAP1510_GPIO_BASE, INT_GPIO_BANK1, IH_GPIO_BASE,  METHOD_GPIO_1510 }
@@ -173,7 +173,7 @@ static int gpio_bank_count;
 
 static inline struct gpio_bank *get_gpio_bank(int gpio)
 {
-#ifdef CONFIG_ARCH_OMAP1510
+#ifdef CONFIG_ARCH_OMAP15XX
 	if (cpu_is_omap1510()) {
 		if (OMAP_GPIO_IS_MPUIO(gpio))
 			return &gpio_bank[0];
@@ -222,7 +222,7 @@ static inline int gpio_valid(int gpio)
 			return -1;
 		return 0;
 	}
-#ifdef CONFIG_ARCH_OMAP1510
+#ifdef CONFIG_ARCH_OMAP15XX
 	if (cpu_is_omap1510() && gpio < 16)
 		return 0;
 #endif
@@ -654,7 +654,7 @@ int omap_request_gpio(int gpio)
 	/* Set trigger to none. You need to enable the trigger after request_irq */
 	_set_gpio_triggering(bank, get_gpio_index(gpio), IRQT_NOEDGE);
 
-#ifdef CONFIG_ARCH_OMAP1510
+#ifdef CONFIG_ARCH_OMAP15XX
 	if (bank->method == METHOD_GPIO_1510) {
 		void __iomem *reg;
 
@@ -739,7 +739,7 @@ static void gpio_irq_handler(unsigned int irq, struct irqdesc *desc,
 	bank = (struct gpio_bank *) desc->data;
 	if (bank->method == METHOD_MPUIO)
 		isr_reg = bank->base + OMAP_MPUIO_GPIO_INT;
-#ifdef CONFIG_ARCH_OMAP1510
+#ifdef CONFIG_ARCH_OMAP15XX
 	if (bank->method == METHOD_GPIO_1510)
 		isr_reg = bank->base + OMAP1510_GPIO_INT_STATUS;
 #endif
@@ -774,7 +774,7 @@ static void gpio_irq_handler(unsigned int irq, struct irqdesc *desc,
 			d = irq_desc + gpio_irq;
 			desc_handle_irq(gpio_irq, d, regs);
 		}
-        }
+	}
 }
 
 static void gpio_ack_irq(unsigned int irq)
@@ -837,8 +837,9 @@ static struct irqchip mpuio_irq_chip = {
 	.unmask = mpuio_unmask_irq
 };
 
-static int initialized = 0;
-static struct clk * gpio_ck = NULL;
+static int initialized;
+static struct clk * gpio_ick;
+static struct clk * gpio_fck;
 
 static int __init _omap_gpio_init(void)
 {
@@ -848,14 +849,26 @@ static int __init _omap_gpio_init(void)
 	initialized = 1;
 
 	if (cpu_is_omap1510()) {
-		gpio_ck = clk_get(NULL, "arm_gpio_ck");
-		if (IS_ERR(gpio_ck))
+		gpio_ick = clk_get(NULL, "arm_gpio_ck");
+		if (IS_ERR(gpio_ick))
 			printk("Could not get arm_gpio_ck\n");
 		else
-			clk_use(gpio_ck);
+			clk_use(gpio_ick);
+	}
+	if (cpu_is_omap24xx()) {
+		gpio_ick = clk_get(NULL, "gpios_ick");
+		if (IS_ERR(gpio_ick))
+			printk("Could not get gpios_ick\n");
+		else
+			clk_use(gpio_ick);
+		gpio_fck = clk_get(NULL, "gpios_fck");
+		if (IS_ERR(gpio_ick))
+			printk("Could not get gpios_fck\n");
+		else
+			clk_use(gpio_fck);
 	}
 
-#ifdef CONFIG_ARCH_OMAP1510
+#ifdef CONFIG_ARCH_OMAP15XX
 	if (cpu_is_omap1510()) {
 		printk(KERN_INFO "OMAP1510 GPIO hardware\n");
 		gpio_bank_count = 2;
@@ -901,7 +914,7 @@ static int __init _omap_gpio_init(void)
 		if (bank->method == METHOD_MPUIO) {
 			omap_writew(0xFFFF, OMAP_MPUIO_BASE + OMAP_MPUIO_GPIO_MASKIT);
 		}
-#ifdef CONFIG_ARCH_OMAP1510
+#ifdef CONFIG_ARCH_OMAP15XX
 		if (bank->method == METHOD_GPIO_1510) {
 			__raw_writew(0xffff, bank->base + OMAP1510_GPIO_INT_MASK);
 			__raw_writew(0x0000, bank->base + OMAP1510_GPIO_INT_STATUS);
@@ -1038,6 +1051,7 @@ static struct sys_device omap_gpio_device = {
 
 /*
  * This may get called early from board specific init
+ * for boards that have interrupts routed via FPGA.
  */
 int omap_gpio_init(void)
 {

arch/arm/plat-omap/mcbsp.c

@@ -491,17 +491,20 @@ int omap_mcbsp_xmit_buffer(unsigned int id, dma_addr_t buffer, unsigned int leng
 	omap_set_dma_transfer_params(mcbsp[id].dma_tx_lch,
 				     OMAP_DMA_DATA_TYPE_S16,
 				     length >> 1, 1,
-				     OMAP_DMA_SYNC_ELEMENT);
+				     OMAP_DMA_SYNC_ELEMENT,
+				     0, 0);
 
 	omap_set_dma_dest_params(mcbsp[id].dma_tx_lch,
 				 OMAP_DMA_PORT_TIPB,
 				 OMAP_DMA_AMODE_CONSTANT,
-				 mcbsp[id].io_base + OMAP_MCBSP_REG_DXR1);
+				 mcbsp[id].io_base + OMAP_MCBSP_REG_DXR1,
+				 0, 0);
 
 	omap_set_dma_src_params(mcbsp[id].dma_tx_lch,
 				OMAP_DMA_PORT_EMIFF,
 				OMAP_DMA_AMODE_POST_INC,
-				buffer);
+				buffer,
+				0, 0);
 
 	omap_start_dma(mcbsp[id].dma_tx_lch);
 	wait_for_completion(&(mcbsp[id].tx_dma_completion));
@@ -531,17 +534,20 @@ int omap_mcbsp_recv_buffer(unsigned int id, dma_addr_t buffer, unsigned int leng
 	omap_set_dma_transfer_params(mcbsp[id].dma_rx_lch,
 				     OMAP_DMA_DATA_TYPE_S16,
 				     length >> 1, 1,
-				     OMAP_DMA_SYNC_ELEMENT);
+				     OMAP_DMA_SYNC_ELEMENT,
+				     0, 0);
 
 	omap_set_dma_src_params(mcbsp[id].dma_rx_lch,
 				OMAP_DMA_PORT_TIPB,
 				OMAP_DMA_AMODE_CONSTANT,
-				mcbsp[id].io_base + OMAP_MCBSP_REG_DRR1);
+				mcbsp[id].io_base + OMAP_MCBSP_REG_DRR1,
+				0, 0);
 
 	omap_set_dma_dest_params(mcbsp[id].dma_rx_lch,
 				 OMAP_DMA_PORT_EMIFF,
 				 OMAP_DMA_AMODE_POST_INC,
-				 buffer);
+				 buffer,
+				 0, 0);
 
 	omap_start_dma(mcbsp[id].dma_rx_lch);
 	wait_for_completion(&(mcbsp[id].rx_dma_completion));
@@ -643,7 +649,7 @@ static const struct omap_mcbsp_info mcbsp_730[] = {
 };
 #endif
 
-#ifdef CONFIG_ARCH_OMAP1510
+#ifdef CONFIG_ARCH_OMAP15XX
 static const struct omap_mcbsp_info mcbsp_1510[] = {
 	[0] = { .virt_base = OMAP1510_MCBSP1_BASE,
 		.dma_rx_sync = OMAP_DMA_MCBSP1_RX,
@@ -712,7 +718,7 @@ static int __init omap_mcbsp_init(void)
 		mcbsp_count = ARRAY_SIZE(mcbsp_730);
 	}
 #endif
-#ifdef CONFIG_ARCH_OMAP1510
+#ifdef CONFIG_ARCH_OMAP15XX
 	if (cpu_is_omap1510()) {
 		mcbsp_info = mcbsp_1510;
 		mcbsp_count = ARRAY_SIZE(mcbsp_1510);

arch/arm/plat-omap/mux.c

@@ -3,7 +3,7 @@
  *
  * Utility to set the Omap MUX and PULL_DWN registers from a table in mux.h
  *
- * Copyright (C) 2003 Nokia Corporation
+ * Copyright (C) 2003 - 2005 Nokia Corporation
  *
  * Written by Tony Lindgren <tony.lindgren@nokia.com>
  *
@@ -25,38 +25,74 @@
 #include <linux/config.h>
 #include <linux/module.h>
 #include <linux/init.h>
+#include <linux/kernel.h>
 #include <asm/system.h>
 #include <asm/io.h>
 #include <linux/spinlock.h>
-
-#define __MUX_C__
 #include <asm/arch/mux.h>
 
 #ifdef CONFIG_OMAP_MUX
 
+#define OMAP24XX_L4_BASE	0x48000000
+#define OMAP24XX_PULL_ENA	(1 << 3)
+#define OMAP24XX_PULL_UP	(1 << 4)
+
+static struct pin_config * pin_table;
+static unsigned long pin_table_sz;
+
+extern struct pin_config * omap730_pins;
+extern struct pin_config * omap1xxx_pins;
+extern struct pin_config * omap24xx_pins;
+
+int __init omap_mux_register(struct pin_config * pins, unsigned long size)
+{
+	pin_table = pins;
+	pin_table_sz = size;
+
+	return 0;
+}
+
 /*
  * Sets the Omap MUX and PULL_DWN registers based on the table
  */
-int __init_or_module
-omap_cfg_reg(const reg_cfg_t reg_cfg)
+int __init_or_module omap_cfg_reg(const unsigned long index)
 {
 	static DEFINE_SPINLOCK(mux_spin_lock);
 
 	unsigned long flags;
-	reg_cfg_set *cfg;
+	struct pin_config *cfg;
 	unsigned int reg_orig = 0, reg = 0, pu_pd_orig = 0, pu_pd = 0,
 		pull_orig = 0, pull = 0;
 	unsigned int mask, warn = 0;
 
-	if (cpu_is_omap7xx())
-		return 0;
+	if (!pin_table)
+		BUG();
 
-	if (reg_cfg > ARRAY_SIZE(reg_cfg_table)) {
-		printk(KERN_ERR "MUX: reg_cfg %d\n", reg_cfg);
-		return -EINVAL;
+	if (index >= pin_table_sz) {
+		printk(KERN_ERR "Invalid pin mux index: %lu (%lu)\n",
+		       index, pin_table_sz);
+		dump_stack();
+		return -ENODEV;
 	}
 
-	cfg = (reg_cfg_set *)&reg_cfg_table[reg_cfg];
+	cfg = (struct pin_config *)&pin_table[index];
+	if (cpu_is_omap24xx()) {
+		u8 reg = 0;
+
+		reg |= cfg->mask & 0x7;
+		if (cfg->pull_val)
+			reg |= OMAP24XX_PULL_ENA;
+		if(cfg->pu_pd_val)
+			reg |= OMAP24XX_PULL_UP;
+#ifdef CONFIG_OMAP_MUX_DEBUG
+		printk("Muxing %s (0x%08x): 0x%02x -> 0x%02x\n",
+		       cfg->name, OMAP24XX_L4_BASE + cfg->mux_reg,
+		       omap_readb(OMAP24XX_L4_BASE + cfg->mux_reg), reg);
+#endif
+		omap_writeb(reg, OMAP24XX_L4_BASE + cfg->mux_reg);
+
+		return 0;
+	}
 
 	/* Check the mux register in question */
 	if (cfg->mux_reg) {
@@ -157,7 +193,8 @@ omap_cfg_reg(const reg_cfg_t reg_cfg)
 	return 0;
 #endif
 }
-
 EXPORT_SYMBOL(omap_cfg_reg);
-
+#else
+#define omap_mux_init() do {} while(0)
+#define omap_cfg_reg(x)	do {} while(0)
 #endif	/* CONFIG_OMAP_MUX */

arch/arm/plat-omap/pm.c

@@ -54,11 +54,12 @@
 #include <asm/arch/tps65010.h>
 #include <asm/arch/dsp_common.h>
 
-#include "clock.h"
-#include "sram.h"
+#include <asm/arch/clock.h>
+#include <asm/arch/sram.h>
 
 static unsigned int arm_sleep_save[ARM_SLEEP_SAVE_SIZE];
 static unsigned short ulpd_sleep_save[ULPD_SLEEP_SAVE_SIZE];
+static unsigned int mpui730_sleep_save[MPUI730_SLEEP_SAVE_SIZE];
 static unsigned int mpui1510_sleep_save[MPUI1510_SLEEP_SAVE_SIZE];
 static unsigned int mpui1610_sleep_save[MPUI1610_SLEEP_SAVE_SIZE];
 
@@ -120,8 +121,8 @@ void omap_pm_idle(void)
  */
 static void omap_pm_wakeup_setup(void)
 {
-	u32 level1_wake = OMAP_IRQ_BIT(INT_IH2_IRQ);
-	u32 level2_wake = OMAP_IRQ_BIT(INT_UART2) | OMAP_IRQ_BIT(INT_KEYBOARD);
+	u32 level1_wake = 0;
+	u32 level2_wake = OMAP_IRQ_BIT(INT_UART2);
 
 	/*
 	 * Turn off all interrupts except GPIO bank 1, L1-2nd level cascade,
@@ -129,19 +130,29 @@ static void omap_pm_wakeup_setup(void)
 	 * drivers must still separately call omap_set_gpio_wakeup() to
 	 * wake up to a GPIO interrupt.
 	 */
-	if (cpu_is_omap1510() || cpu_is_omap16xx())
-		level1_wake |= OMAP_IRQ_BIT(INT_GPIO_BANK1);
-	else if (cpu_is_omap730())
-		level1_wake |= OMAP_IRQ_BIT(INT_730_GPIO_BANK1);
+	if (cpu_is_omap730())
+		level1_wake = OMAP_IRQ_BIT(INT_730_GPIO_BANK1) |
+			OMAP_IRQ_BIT(INT_730_IH2_IRQ);
+	else if (cpu_is_omap1510())
+		level1_wake = OMAP_IRQ_BIT(INT_GPIO_BANK1) |
+			OMAP_IRQ_BIT(INT_1510_IH2_IRQ);
+	else if (cpu_is_omap16xx())
+		level1_wake = OMAP_IRQ_BIT(INT_GPIO_BANK1) |
+			OMAP_IRQ_BIT(INT_1610_IH2_IRQ);
 
 	omap_writel(~level1_wake, OMAP_IH1_MIR);
 
-	if (cpu_is_omap1510())
+	if (cpu_is_omap730()) {
+		omap_writel(~level2_wake, OMAP_IH2_0_MIR);
+		omap_writel(~(OMAP_IRQ_BIT(INT_730_WAKE_UP_REQ) | OMAP_IRQ_BIT(INT_730_MPUIO_KEYPAD)), OMAP_IH2_1_MIR);
+	} else if (cpu_is_omap1510()) {
+		level2_wake |= OMAP_IRQ_BIT(INT_KEYBOARD);
 		omap_writel(~level2_wake,  OMAP_IH2_MIR);
-
-	/* INT_1610_WAKE_UP_REQ is needed for GPIO wakeup... */
-	if (cpu_is_omap16xx()) {
+	} else if (cpu_is_omap16xx()) {
+		level2_wake |= OMAP_IRQ_BIT(INT_KEYBOARD);
 		omap_writel(~level2_wake, OMAP_IH2_0_MIR);
+
+		/* INT_1610_WAKE_UP_REQ is needed for GPIO wakeup... */
 		omap_writel(~OMAP_IRQ_BIT(INT_1610_WAKE_UP_REQ), OMAP_IH2_1_MIR);
 		omap_writel(~0x0, OMAP_IH2_2_MIR);
 		omap_writel(~0x0, OMAP_IH2_3_MIR);
@@ -185,7 +196,17 @@ void omap_pm_suspend(void)
  	 * Save interrupt, MPUI, ARM and UPLD control registers.
 	 */
 
-	if (cpu_is_omap1510()) {
+	if (cpu_is_omap730()) {
+		MPUI730_SAVE(OMAP_IH1_MIR);
+		MPUI730_SAVE(OMAP_IH2_0_MIR);
+		MPUI730_SAVE(OMAP_IH2_1_MIR);
+		MPUI730_SAVE(MPUI_CTRL);
+		MPUI730_SAVE(MPUI_DSP_BOOT_CONFIG);
+		MPUI730_SAVE(MPUI_DSP_API_CONFIG);
+		MPUI730_SAVE(EMIFS_CONFIG);
+		MPUI730_SAVE(EMIFF_SDRAM_CONFIG);
+
+	} else if (cpu_is_omap1510()) {
 		MPUI1510_SAVE(OMAP_IH1_MIR);
 		MPUI1510_SAVE(OMAP_IH2_MIR);
 		MPUI1510_SAVE(MPUI_CTRL);
@@ -280,7 +301,13 @@ void omap_pm_suspend(void)
 	ULPD_RESTORE(ULPD_CLOCK_CTRL);
 	ULPD_RESTORE(ULPD_STATUS_REQ);
 
-	if (cpu_is_omap1510()) {
+	if (cpu_is_omap730()) {
+		MPUI730_RESTORE(EMIFS_CONFIG);
+		MPUI730_RESTORE(EMIFF_SDRAM_CONFIG);
+		MPUI730_RESTORE(OMAP_IH1_MIR);
+		MPUI730_RESTORE(OMAP_IH2_0_MIR);
+		MPUI730_RESTORE(OMAP_IH2_1_MIR);
+	} else if (cpu_is_omap1510()) {
 		MPUI1510_RESTORE(MPUI_CTRL);
 		MPUI1510_RESTORE(MPUI_DSP_BOOT_CONFIG);
 		MPUI1510_RESTORE(MPUI_DSP_API_CONFIG);
@@ -355,7 +382,14 @@ static int omap_pm_read_proc(
 	ULPD_SAVE(ULPD_DPLL_CTRL);
 	ULPD_SAVE(ULPD_POWER_CTRL);
 
-	if (cpu_is_omap1510()) {
+	if (cpu_is_omap730()) {
+		MPUI730_SAVE(MPUI_CTRL);
+		MPUI730_SAVE(MPUI_DSP_STATUS);
+		MPUI730_SAVE(MPUI_DSP_BOOT_CONFIG);
+		MPUI730_SAVE(MPUI_DSP_API_CONFIG);
+		MPUI730_SAVE(EMIFF_SDRAM_CONFIG);
+		MPUI730_SAVE(EMIFS_CONFIG);
+	} else if (cpu_is_omap1510()) {
 		MPUI1510_SAVE(MPUI_CTRL);
 		MPUI1510_SAVE(MPUI_DSP_STATUS);
 		MPUI1510_SAVE(MPUI_DSP_BOOT_CONFIG);
@@ -404,7 +438,21 @@ static int omap_pm_read_proc(
 		   ULPD_SHOW(ULPD_STATUS_REQ),
 		   ULPD_SHOW(ULPD_POWER_CTRL));
 
-		if (cpu_is_omap1510()) {
+		if (cpu_is_omap730()) {
+			my_buffer_offset += sprintf(my_base + my_buffer_offset,
+			   "MPUI730_CTRL_REG	     0x%-8x \n"
+			   "MPUI730_DSP_STATUS_REG:      0x%-8x \n"
+			   "MPUI730_DSP_BOOT_CONFIG_REG: 0x%-8x \n"
+	 "MPUI730_DSP_API_CONFIG_REG:  0x%-8x \n"
+	 "MPUI730_SDRAM_CONFIG_REG:    0x%-8x \n"
+	 "MPUI730_EMIFS_CONFIG_REG:    0x%-8x \n",
+	 MPUI730_SHOW(MPUI_CTRL),
+	 MPUI730_SHOW(MPUI_DSP_STATUS),
+	 MPUI730_SHOW(MPUI_DSP_BOOT_CONFIG),
+	 MPUI730_SHOW(MPUI_DSP_API_CONFIG),
+	 MPUI730_SHOW(EMIFF_SDRAM_CONFIG),
+	 MPUI730_SHOW(EMIFS_CONFIG));
+		} else if (cpu_is_omap1510()) {
 			my_buffer_offset += sprintf(my_base + my_buffer_offset,
 			   "MPUI1510_CTRL_REG             0x%-8x \n"
 			   "MPUI1510_DSP_STATUS_REG:      0x%-8x \n"
@@ -553,7 +601,12 @@ static int __init omap_pm_init(void)
 	 * These routines need to be in SRAM as that's the only
 	 * memory the MPU can see when it wakes up.
 	 */
-	if (cpu_is_omap1510()) {
+	if (cpu_is_omap730()) {
+		omap_sram_idle = omap_sram_push(omap730_idle_loop_suspend,
+						omap730_idle_loop_suspend_sz);
+		omap_sram_suspend = omap_sram_push(omap730_cpu_suspend,
+	 omap730_cpu_suspend_sz);
+	} else if (cpu_is_omap1510()) {
 		omap_sram_idle = omap_sram_push(omap1510_idle_loop_suspend,
 						omap1510_idle_loop_suspend_sz);
 		omap_sram_suspend = omap_sram_push(omap1510_cpu_suspend,
@@ -572,7 +625,11 @@ static int __init omap_pm_init(void)
 
 	pm_idle = omap_pm_idle;
 
-	setup_irq(INT_1610_WAKE_UP_REQ, &omap_wakeup_irq);
+	if (cpu_is_omap730())
+		setup_irq(INT_730_WAKE_UP_REQ, &omap_wakeup_irq);
+	else if (cpu_is_omap16xx())
+		setup_irq(INT_1610_WAKE_UP_REQ, &omap_wakeup_irq);
+
 #if 0
 	/* --- BEGIN BOARD-DEPENDENT CODE --- */
 	/* Sleepx mask direction */
@@ -591,7 +648,9 @@ static int __init omap_pm_init(void)
 	omap_writew(ULPD_POWER_CTRL_REG_VAL, ULPD_POWER_CTRL);
 
 	/* Configure IDLECT3 */
-	if (cpu_is_omap16xx())
+	if (cpu_is_omap730())
+		omap_writel(OMAP730_IDLECT3_VAL, OMAP730_IDLECT3);
+	else if (cpu_is_omap16xx())
 		omap_writel(OMAP1610_IDLECT3_VAL, OMAP1610_IDLECT3);
 
 	pm_set_ops(&omap_pm_ops);
@@ -600,8 +659,10 @@ static int __init omap_pm_init(void)
 	omap_pm_init_proc();
 #endif
 
-	/* configure LOW_PWR pin */
-	omap_cfg_reg(T20_1610_LOW_PWR);
+	if (cpu_is_omap16xx()) {
+		/* configure LOW_PWR pin */
+		omap_cfg_reg(T20_1610_LOW_PWR);
+	}
 
 	return 0;
 }

arch/arm/plat-omap/sleep.S

 /*
  * linux/arch/arm/plat-omap/sleep.S
  *
- * Low-level OMAP1510/1610 sleep/wakeUp support
+ * Low-level OMAP730/1510/1610 sleep/wakeUp support
  *
  * Initial SA1110 code:
  * Copyright (c) 2001 Cliff Brake <cbrake@accelent.com>
@@ -52,7 +52,57 @@
  *       processor specific functions here.
  */
 
-#ifdef CONFIG_ARCH_OMAP1510
+#if defined(CONFIG_ARCH_OMAP730)
+ENTRY(omap730_idle_loop_suspend)
+
+	stmfd	sp!, {r0 - r12, lr}		@ save registers on stack
+
+	@ load base address of ARM_IDLECT1 and ARM_IDLECT2
+	mov	r4, #CLKGEN_REG_ASM_BASE & 0xff000000
+	orr	r4, r4, #CLKGEN_REG_ASM_BASE & 0x00ff0000
+	orr	r4, r4, #CLKGEN_REG_ASM_BASE & 0x0000ff00
+
+	@ turn off clock domains
+	@ get ARM_IDLECT2 into r2
+	ldrh	r2, [r4, #ARM_IDLECT2_ASM_OFFSET & 0xff]
+	mov	r5, #OMAP730_IDLECT2_SLEEP_VAL & 0xff
+	orr	r5, r5, #OMAP730_IDLECT2_SLEEP_VAL & 0xff00
+	strh	r5, [r4, #ARM_IDLECT2_ASM_OFFSET & 0xff]
+
+	@ request ARM idle
+	@ get ARM_IDLECT1 into r1
+	ldrh	r1, [r4, #ARM_IDLECT1_ASM_OFFSET & 0xff]
+	orr	r3, r1, #OMAP730_IDLE_LOOP_REQUEST & 0xffff
+	strh	r3, [r4, #ARM_IDLECT1_ASM_OFFSET & 0xff]
+
+	mov	r5, #IDLE_WAIT_CYCLES & 0xff
+	orr	r5, r5, #IDLE_WAIT_CYCLES & 0xff00
+l_730:	subs	r5, r5, #1
+	bne	l_730
+/*
+ * Let's wait for the next clock tick to wake us up.
+ */
+	mov	r0, #0
+	mcr	p15, 0, r0, c7, c0, 4		@ wait for interrupt
+/*
+ * omap730_idle_loop_suspend()'s resume point.
+ *
+ * It will just start executing here, so we'll restore stuff from the
+ * stack, reset the ARM_IDLECT1 and ARM_IDLECT2.
+ */
+
+	@ restore ARM_IDLECT1 and ARM_IDLECT2 and return
+	@ r1 has ARM_IDLECT1 and r2 still has ARM_IDLECT2
+	strh	r2, [r4, #ARM_IDLECT2_ASM_OFFSET & 0xff]
+	strh	r1, [r4, #ARM_IDLECT1_ASM_OFFSET & 0xff]
+
+	ldmfd	sp!, {r0 - r12, pc}		@ restore regs and return
+
+ENTRY(omap730_idle_loop_suspend_sz)
+	.word	. - omap730_idle_loop_suspend
+#endif /* CONFIG_ARCH_OMAP730 */
+
+#ifdef CONFIG_ARCH_OMAP15XX
 ENTRY(omap1510_idle_loop_suspend)
 
 	stmfd	sp!, {r0 - r12, lr}		@ save registers on stack
@@ -100,7 +150,7 @@ l_1510:	subs	r5, r5, #1
 
 ENTRY(omap1510_idle_loop_suspend_sz)
 	.word	. - omap1510_idle_loop_suspend
-#endif /* CONFIG_ARCH_OMAP1510 */
+#endif /* CONFIG_ARCH_OMAP15XX */
 
 #if defined(CONFIG_ARCH_OMAP16XX)
 ENTRY(omap1610_idle_loop_suspend)
@@ -169,7 +219,86 @@ ENTRY(omap1610_idle_loop_suspend_sz)
  *
  */
 
-#ifdef CONFIG_ARCH_OMAP1510
+#if defined(CONFIG_ARCH_OMAP730)
+ENTRY(omap730_cpu_suspend)
+
+	@ save registers on stack
+	stmfd	sp!, {r0 - r12, lr}
+
+	@ Drain write cache
+	mov	r4, #0
+	mcr	p15, 0, r0, c7, c10, 4
+	nop
+
+	@ load base address of Traffic Controller
+	mov	r6, #TCMIF_ASM_BASE & 0xff000000
+	orr	r6, r6, #TCMIF_ASM_BASE & 0x00ff0000
+	orr	r6, r6, #TCMIF_ASM_BASE & 0x0000ff00
+
+	@ prepare to put SDRAM into self-refresh manually
+	ldr	r7, [r6, #EMIFF_SDRAM_CONFIG_ASM_OFFSET & 0xff]
+	orr	r9, r7, #SELF_REFRESH_MODE & 0xff000000
+	orr	r9, r9, #SELF_REFRESH_MODE & 0x000000ff
+	str	r9, [r6, #EMIFF_SDRAM_CONFIG_ASM_OFFSET & 0xff]
+
+	@ prepare to put EMIFS to Sleep
+	ldr	r8, [r6, #EMIFS_CONFIG_ASM_OFFSET & 0xff]
+	orr	r9, r8, #IDLE_EMIFS_REQUEST & 0xff
+	str	r9, [r6, #EMIFS_CONFIG_ASM_OFFSET & 0xff]
+
+	@ load base address of ARM_IDLECT1 and ARM_IDLECT2
+	mov	r4, #CLKGEN_REG_ASM_BASE & 0xff000000
+	orr	r4, r4, #CLKGEN_REG_ASM_BASE & 0x00ff0000
+	orr	r4, r4, #CLKGEN_REG_ASM_BASE & 0x0000ff00
+
+	@ turn off clock domains
+	@ do not disable PERCK (0x04)
+	mov	r5, #OMAP730_IDLECT2_SLEEP_VAL & 0xff
+	orr	r5, r5, #OMAP730_IDLECT2_SLEEP_VAL & 0xff00
+	strh	r5, [r4, #ARM_IDLECT2_ASM_OFFSET & 0xff]
+
+	@ request ARM idle
+	mov	r3, #OMAP730_IDLECT1_SLEEP_VAL & 0xff
+	orr	r3, r3, #OMAP730_IDLECT1_SLEEP_VAL & 0xff00
+	strh	r3, [r4, #ARM_IDLECT1_ASM_OFFSET & 0xff]
+
+	@ disable instruction cache
+	mrc	p15, 0, r9, c1, c0, 0
+	bic	r2, r9, #0x1000
+	mcr	p15, 0, r2, c1, c0, 0
+	nop
+
+/*
+ * Let's wait for the next wake up event to wake us up. r0 can't be
+ * used here because r0 holds ARM_IDLECT1
+ */
+	mov	r2, #0
+	mcr	p15, 0, r2, c7, c0, 4		@ wait for interrupt
+/*
+ * omap730_cpu_suspend()'s resume point.
+ *
+ * It will just start executing here, so we'll restore stuff from the
+ * stack.
+ */
+	@ re-enable Icache
+	mcr	p15, 0, r9, c1, c0, 0
+
+	@ reset the ARM_IDLECT1 and ARM_IDLECT2.
+	strh	r1, [r4, #ARM_IDLECT2_ASM_OFFSET & 0xff]
+	strh	r0, [r4, #ARM_IDLECT1_ASM_OFFSET & 0xff]
+
+	@ Restore EMIFF controls
+	str	r7, [r6, #EMIFF_SDRAM_CONFIG_ASM_OFFSET & 0xff]
+	str	r8, [r6, #EMIFS_CONFIG_ASM_OFFSET & 0xff]
+
+	@ restore regs and return
+	ldmfd	sp!, {r0 - r12, pc}
+
+ENTRY(omap730_cpu_suspend_sz)
+	.word	. - omap730_cpu_suspend
+#endif /* CONFIG_ARCH_OMAP730 */
+
+#ifdef CONFIG_ARCH_OMAP15XX
 ENTRY(omap1510_cpu_suspend)
 
 	@ save registers on stack
@@ -241,7 +370,7 @@ l_1510_2:
 
 ENTRY(omap1510_cpu_suspend_sz)
 	.word	. - omap1510_cpu_suspend
-#endif /* CONFIG_ARCH_OMAP1510 */
+#endif /* CONFIG_ARCH_OMAP15XX */
 
 #if defined(CONFIG_ARCH_OMAP16XX)
 ENTRY(omap1610_cpu_suspend)

arch/arm/plat-omap/sram.c

@@ -20,10 +20,13 @@
 #include <asm/io.h>
 #include <asm/cacheflush.h>
 
-#include "sram.h"
+#include <asm/arch/sram.h>
+
+#define OMAP1_SRAM_PA		0x20000000
+#define OMAP1_SRAM_VA		0xd0000000
+#define OMAP2_SRAM_PA		0x40200000
+#define OMAP2_SRAM_VA		0xd0000000
 
-#define OMAP1_SRAM_BASE		0xd0000000
-#define OMAP1_SRAM_START	0x20000000
 #define SRAM_BOOTLOADER_SZ	0x80
 
 static unsigned long omap_sram_base;
@@ -31,37 +34,40 @@ static unsigned long omap_sram_size;
 static unsigned long omap_sram_ceil;
 
 /*
- * The amount of SRAM depends on the core type:
- * 730 = 200K, 1510 = 512K, 5912 = 256K, 1610 = 16K, 1710 = 16K
+ * The amount of SRAM depends on the core type.
  * Note that we cannot try to test for SRAM here because writes
  * to secure SRAM will hang the system. Also the SRAM is not
  * yet mapped at this point.
  */
 void __init omap_detect_sram(void)
 {
-	omap_sram_base = OMAP1_SRAM_BASE;
+	if (!cpu_is_omap24xx())
+		omap_sram_base = OMAP1_SRAM_VA;
+	else
+		omap_sram_base = OMAP2_SRAM_VA;
 
 	if (cpu_is_omap730())
-		omap_sram_size = 0x32000;
-	else if (cpu_is_omap1510())
-		omap_sram_size = 0x80000;
+		omap_sram_size = 0x32000;	/* 200K */
+	else if (cpu_is_omap15xx())
+		omap_sram_size = 0x30000;	/* 192K */
 	else if (cpu_is_omap1610() || cpu_is_omap1621() || cpu_is_omap1710())
-		omap_sram_size = 0x4000;
+		omap_sram_size = 0x4000;	/* 16K */
 	else if (cpu_is_omap1611())
-		omap_sram_size = 0x3e800;
+		omap_sram_size = 0x3e800;	/* 250K */
+	else if (cpu_is_omap2420())
+		omap_sram_size = 0xa0014;	/* 640K */
 	else {
 		printk(KERN_ERR "Could not detect SRAM size\n");
 		omap_sram_size = 0x4000;
 	}
 
-	printk(KERN_INFO "SRAM size: 0x%lx\n", omap_sram_size);
 	omap_sram_ceil = omap_sram_base + omap_sram_size;
 }
 
 static struct map_desc omap_sram_io_desc[] __initdata = {
 	{	/* .length gets filled in at runtime */
-		.virtual	= OMAP1_SRAM_BASE,
-		.pfn		= __phys_to_pfn(OMAP1_SRAM_START),
+		.virtual	= OMAP1_SRAM_VA,
+		.pfn		= __phys_to_pfn(OMAP1_SRAM_PA),
 		.type		= MT_DEVICE
 	}
 };
@@ -76,10 +82,19 @@ void __init omap_map_sram(void)
 	if (omap_sram_size == 0)
 		return;
 
+	if (cpu_is_omap24xx()) {
+		omap_sram_io_desc[0].virtual = OMAP2_SRAM_VA;
+		omap_sram_io_desc[0].pfn = __phys_to_pfn(OMAP2_SRAM_PA);
+	}
+
 	omap_sram_io_desc[0].length = (omap_sram_size + PAGE_SIZE-1)/PAGE_SIZE;
 	omap_sram_io_desc[0].length *= PAGE_SIZE;
 	iotable_init(omap_sram_io_desc, ARRAY_SIZE(omap_sram_io_desc));
 
+	printk(KERN_INFO "SRAM: Mapped pa 0x%08lx to va 0x%08lx size: 0x%lx\n",
+	       omap_sram_io_desc[0].pfn, omap_sram_io_desc[0].virtual,
+	       omap_sram_io_desc[0].length);
+
 	/*
 	 * Looks like we need to preserve some bootloader code at the
 	 * beginning of SRAM for jumping to flash for reboot to work...
@@ -88,16 +103,6 @@ void __init omap_map_sram(void)
 	       omap_sram_size - SRAM_BOOTLOADER_SZ);
 }
 
-static void (*_omap_sram_reprogram_clock)(u32 dpllctl, u32 ckctl) = NULL;
-
-void omap_sram_reprogram_clock(u32 dpllctl, u32 ckctl)
-{
-	if (_omap_sram_reprogram_clock == NULL)
-		panic("Cannot use SRAM");
-
-	return _omap_sram_reprogram_clock(dpllctl, ckctl);
-}
-
 void * omap_sram_push(void * start, unsigned long size)
 {
 	if (size > (omap_sram_ceil - (omap_sram_base + SRAM_BOOTLOADER_SZ))) {
@@ -111,10 +116,94 @@ void * omap_sram_push(void * start, unsigned long size)
 	return (void *)omap_sram_ceil;
 }
 
-void __init omap_sram_init(void)
+static void omap_sram_error(void)
+{
+	panic("Uninitialized SRAM function\n");
+}
+
+#ifdef CONFIG_ARCH_OMAP1
+
+static void (*_omap_sram_reprogram_clock)(u32 dpllctl, u32 ckctl);
+
+void omap_sram_reprogram_clock(u32 dpllctl, u32 ckctl)
+{
+	if (!_omap_sram_reprogram_clock)
+		omap_sram_error();
+
+	return _omap_sram_reprogram_clock(dpllctl, ckctl);
+}
+
+int __init omap1_sram_init(void)
 {
-	omap_detect_sram();
-	omap_map_sram();
 	_omap_sram_reprogram_clock = omap_sram_push(sram_reprogram_clock,
 						    sram_reprogram_clock_sz);
+
+	return 0;
+}
+
+#else
+#define omap1_sram_init()	do {} while (0)
+#endif
+
+#ifdef CONFIG_ARCH_OMAP2
+
+static void (*_omap2_sram_ddr_init)(u32 *slow_dll_ctrl, u32 fast_dll_ctrl,
+			      u32 base_cs, u32 force_unlock);
+
+void omap2_sram_ddr_init(u32 *slow_dll_ctrl, u32 fast_dll_ctrl,
+		   u32 base_cs, u32 force_unlock)
+{
+	if (!_omap2_sram_ddr_init)
+		omap_sram_error();
+
+	return _omap2_sram_ddr_init(slow_dll_ctrl, fast_dll_ctrl,
+				    base_cs, force_unlock);
+}
+
+static void (*_omap2_sram_reprogram_sdrc)(u32 perf_level, u32 dll_val,
+					  u32 mem_type);
+
+void omap2_sram_reprogram_sdrc(u32 perf_level, u32 dll_val, u32 mem_type)
+{
+	if (!_omap2_sram_reprogram_sdrc)
+		omap_sram_error();
+
+	return _omap2_sram_reprogram_sdrc(perf_level, dll_val, mem_type);
+}
+
+static u32 (*_omap2_set_prcm)(u32 dpll_ctrl_val, u32 sdrc_rfr_val, int bypass);
+
+u32 omap2_set_prcm(u32 dpll_ctrl_val, u32 sdrc_rfr_val, int bypass)
+{
+	if (!_omap2_set_prcm)
+		omap_sram_error();
+
+	return _omap2_set_prcm(dpll_ctrl_val, sdrc_rfr_val, bypass);
+}
+
+int __init omap2_sram_init(void)
+{
+	_omap2_sram_ddr_init = omap_sram_push(sram_ddr_init, sram_ddr_init_sz);
+
+	_omap2_sram_reprogram_sdrc = omap_sram_push(sram_reprogram_sdrc,
+						    sram_reprogram_sdrc_sz);
+	_omap2_set_prcm = omap_sram_push(sram_set_prcm, sram_set_prcm_sz);
+
+	return 0;
+}
+#else
+#define omap2_sram_init()	do {} while (0)
+#endif
+
+int __init omap_sram_init(void)
+{
+	omap_detect_sram();
+	omap_map_sram();
+
+	if (!cpu_is_omap24xx())
+		omap1_sram_init();
+	else
+		omap2_sram_init();
+
+	return 0;
 }

arch/arm/plat-omap/sram.h

-/*
- * linux/arch/arm/plat-omap/sram.h
- *
- * Interface for functions that need to be run in internal SRAM
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- */
-
-#ifndef __ARCH_ARM_OMAP_SRAM_H
-#define __ARCH_ARM_OMAP_SRAM_H
-
-extern void * omap_sram_push(void * start, unsigned long size);
-extern void omap_sram_reprogram_clock(u32 dpllctl, u32 ckctl);
-
-/* Do not use these */
-extern void sram_reprogram_clock(u32 ckctl, u32 dpllctl);
-extern unsigned long sram_reprogram_clock_sz;
-
-#endif

arch/arm/plat-omap/usb.c

@@ -91,6 +91,8 @@ EXPORT_SYMBOL(otg_set_transceiver);
 
 /*-------------------------------------------------------------------------*/
 
+#if defined(CONFIG_ARCH_OMAP_OTG) || defined(CONFIG_ARCH_OMAP15XX)
+
 static u32 __init omap_usb0_init(unsigned nwires, unsigned is_device)
 {
 	u32	syscon1 = 0;
@@ -271,6 +273,8 @@ static u32 __init omap_usb2_init(unsigned nwires, unsigned alt_pingroup)
 	return syscon1 << 24;
 }
 
+#endif
+
 /*-------------------------------------------------------------------------*/
 
 #if	defined(CONFIG_USB_GADGET_OMAP) || \
@@ -494,7 +498,7 @@ static inline void omap_otg_init(struct omap_usb_config *config) {}
 
 /*-------------------------------------------------------------------------*/
 
-#ifdef	CONFIG_ARCH_OMAP1510
+#ifdef	CONFIG_ARCH_OMAP15XX
 
 #define ULPD_DPLL_CTRL_REG	__REG16(ULPD_DPLL_CTRL)
 #define DPLL_IOB		(1 << 13)
@@ -507,7 +511,6 @@ static inline void omap_otg_init(struct omap_usb_config *config) {}
 
 static void __init omap_1510_usb_init(struct omap_usb_config *config)
 {
-	int status;
 	unsigned int val;
 
 	omap_usb0_init(config->pins[0], is_usb0_device(config));
@@ -539,6 +542,8 @@ static void __init omap_1510_usb_init(struct omap_usb_config *config)
 
 #ifdef	CONFIG_USB_GADGET_OMAP
 	if (config->register_dev) {
+		int status;
+
 		udc_device.dev.platform_data = config;
 		status = platform_device_register(&udc_device);
 		if (status)
@@ -549,6 +554,8 @@ static void __init omap_1510_usb_init(struct omap_usb_config *config)
 
 #if	defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE)
 	if (config->register_host) {
+		int status;
+
 		ohci_device.dev.platform_data = config;
 		status = platform_device_register(&ohci_device);
 		if (status)