Merge branch 'omap4' into for-next

arch/arm/Makefile

@@ -127,6 +127,7 @@ endif
  machine-$(CONFIG_ARCH_OMAP1)	   := omap1
  machine-$(CONFIG_ARCH_OMAP2)	   := omap2
  machine-$(CONFIG_ARCH_OMAP3)	   := omap2
+ machine-$(CONFIG_ARCH_OMAP4)	   := omap2
     plat-$(CONFIG_ARCH_OMAP)	   := omap
  machine-$(CONFIG_ARCH_S3C2410)	   := s3c2410 s3c2400 s3c2412 s3c2440 s3c2442 s3c2443
  machine-$(CONFIG_ARCH_S3C24A0)	   := s3c24a0

arch/arm/mach-omap2/Kconfig

@@ -25,7 +25,7 @@ config ARCH_OMAP3430
 	select ARCH_OMAP_OTG
 
 comment "OMAP Board Type"
-	depends on ARCH_OMAP2 || ARCH_OMAP3
+	depends on ARCH_OMAP2 || ARCH_OMAP3 || ARCH_OMAP4
 
 config MACH_OMAP_GENERIC
 	bool "Generic OMAP board"
@@ -75,3 +75,7 @@ config MACH_NOKIA_RX51
 config MACH_OMAP_ZOOM2
 	bool "OMAP3 Zoom2 board"
 	depends on ARCH_OMAP3 && ARCH_OMAP34XX
+
+config MACH_OMAP_4430SDP
+	bool "OMAP 4430 SDP board"
+	depends on ARCH_OMAP4

arch/arm/mach-omap2/Makefile

@@ -60,6 +60,9 @@ obj-$(CONFIG_MACH_NOKIA_RX51)		+= board-rx51.o \
 obj-$(CONFIG_MACH_OMAP_ZOOM2)		+= board-zoom2.o \
 					   mmc-twl4030.o \
 					   board-zoom-debugboard.o
+
+obj-$(CONFIG_MACH_OMAP_4430SDP)		+= board-4430sdp.o
+
 # Platform specific device init code
 obj-y					+= usb-musb.o
 

arch/arm/mach-omap2/board-4430sdp.c

+/*
+ * Board support file for OMAP4430 SDP.
+ *
+ * Copyright (C) 2009 Texas Instruments
+ *
+ * Author: Santosh Shilimkar <santosh.shilimkar@ti.com>
+ *
+ * Based on mach-omap2/board-3430sdp.c
+ *
+ * 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/io.h>
+#include <linux/gpio.h>
+
+#include <mach/hardware.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/control.h>
+#include <mach/timer-gp.h>
+#include <asm/hardware/gic.h>
+
+static struct platform_device sdp4430_lcd_device = {
+	.name		= "sdp4430_lcd",
+	.id		= -1,
+};
+
+static struct platform_device *sdp4430_devices[] __initdata = {
+	&sdp4430_lcd_device,
+};
+
+static struct omap_uart_config sdp4430_uart_config __initdata = {
+	.enabled_uarts	= (1 << 0) | (1 << 1) | (1 << 2),
+};
+
+static struct omap_lcd_config sdp4430_lcd_config __initdata = {
+	.ctrl_name	= "internal",
+};
+
+static struct omap_board_config_kernel sdp4430_config[] __initdata = {
+	{ OMAP_TAG_UART,	&sdp4430_uart_config },
+	{ OMAP_TAG_LCD,		&sdp4430_lcd_config },
+};
+
+static void __init gic_init_irq(void)
+{
+	gic_dist_init(0, IO_ADDRESS(OMAP44XX_GIC_DIST_BASE), 29);
+	gic_cpu_init(0, IO_ADDRESS(OMAP44XX_GIC_CPU_BASE));
+}
+
+static void __init omap_4430sdp_init_irq(void)
+{
+	omap2_init_common_hw(NULL);
+#ifdef CONFIG_OMAP_32K_TIMER
+	omap2_gp_clockevent_set_gptimer(1);
+#endif
+	gic_init_irq();
+	omap_gpio_init();
+}
+
+
+static void __init omap_4430sdp_init(void)
+{
+	platform_add_devices(sdp4430_devices, ARRAY_SIZE(sdp4430_devices));
+	omap_board_config = sdp4430_config;
+	omap_board_config_size = ARRAY_SIZE(sdp4430_config);
+	omap_serial_init();
+}
+
+static void __init omap_4430sdp_map_io(void)
+{
+	omap2_set_globals_443x();
+	omap2_map_common_io();
+}
+
+MACHINE_START(OMAP_4430SDP, "OMAP4430 4430SDP board")
+	/* Maintainer: Santosh Shilimkar - Texas Instruments Inc */
+	.phys_io	= 0x48000000,
+	.io_pg_offst	= ((0xd8000000) >> 18) & 0xfffc,
+	.boot_params	= 0x80000100,
+	.map_io		= omap_4430sdp_map_io,
+	.init_irq	= omap_4430sdp_init_irq,
+	.init_machine	= omap_4430sdp_init,
+	.timer		= &omap_timer,
+MACHINE_END

arch/arm/mach-omap2/gpmc.c

@@ -5,6 +5,9 @@
  *
  * Author: Juha Yrjola
  *
+ * Copyright (C) 2009 Texas Instruments
+ * Added OMAP4 support - Santosh Shilimkar <santosh.shilimkar@ti.com>
+ *
  * 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.
@@ -424,6 +427,9 @@ void __init gpmc_init(void)
 	} else if (cpu_is_omap34xx()) {
 		ck = "gpmc_fck";
 		l = OMAP34XX_GPMC_BASE;
+	} else if (cpu_is_omap44xx()) {
+		ck = "gpmc_fck";
+		l = OMAP44XX_GPMC_BASE;
 	}
 
 	gpmc_l3_clk = clk_get(NULL, ck);

arch/arm/mach-omap2/id.c

@@ -6,6 +6,9 @@
  * Copyright (C) 2005 Nokia Corporation
  * Written by Tony Lindgren <tony@atomide.com>
  *
+ * Copyright (C) 2009 Texas Instruments
+ * Added OMAP4 support - Santosh Shilimkar <santosh.shilimkar@ti.com>
+ *
  * 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.
@@ -200,7 +203,10 @@ void __init omap2_check_revision(void)
 		omap24xx_check_revision();
 	else if (cpu_is_omap34xx())
 		omap34xx_check_revision();
-	else
+	else if (cpu_is_omap44xx()) {
+		printk(KERN_INFO "FIXME: CPU revision = OMAP4430\n");
+		return;
+	} else
 		pr_err("OMAP revision unknown, please fix!\n");
 
 	/*

arch/arm/mach-omap2/io.c

@@ -4,12 +4,14 @@
  * OMAP2 I/O mapping code
  *
  * Copyright (C) 2005 Nokia Corporation
- * Copyright (C) 2007 Texas Instruments
+ * Copyright (C) 2007-2009 Texas Instruments
  *
  * Author:
  *	Juha Yrjola <juha.yrjola@nokia.com>
  *	Syed Khasim <x0khasim@ti.com>
  *
+ * Added OMAP4 support - Santosh Shilimkar <santosh.shilimkar@ti.com>
+ *
  * 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.
@@ -30,6 +32,7 @@
 #include <mach/sdrc.h>
 #include <mach/gpmc.h>
 
+#ifndef CONFIG_ARCH_OMAP4	/* FIXME: Remove this once clkdev is ready */
 #include "clock.h"
 
 #include <mach/powerdomain.h>
@@ -38,7 +41,7 @@
 
 #include <mach/clockdomain.h>
 #include "clockdomains.h"
-
+#endif
 /*
  * The machine specific code may provide the extra mapping besides the
  * default mapping provided here.
@@ -166,6 +169,46 @@ static struct map_desc omap34xx_io_desc[] __initdata = {
 	},
 };
 #endif
+#ifdef	CONFIG_ARCH_OMAP4
+static struct map_desc omap44xx_io_desc[] __initdata = {
+	{
+		.virtual	= L3_44XX_VIRT,
+		.pfn		= __phys_to_pfn(L3_44XX_PHYS),
+		.length		= L3_44XX_SIZE,
+		.type		= MT_DEVICE,
+	},
+	{
+		.virtual	= L4_44XX_VIRT,
+		.pfn		= __phys_to_pfn(L4_44XX_PHYS),
+		.length		= L4_44XX_SIZE,
+		.type		= MT_DEVICE,
+	},
+	{
+		.virtual	= L4_WK_44XX_VIRT,
+		.pfn		= __phys_to_pfn(L4_WK_44XX_PHYS),
+		.length		= L4_WK_44XX_SIZE,
+		.type		= MT_DEVICE,
+	},
+	{
+		.virtual	= OMAP44XX_GPMC_VIRT,
+		.pfn		= __phys_to_pfn(OMAP44XX_GPMC_PHYS),
+		.length		= OMAP44XX_GPMC_SIZE,
+		.type		= MT_DEVICE,
+	},
+	{
+		.virtual	= L4_PER_44XX_VIRT,
+		.pfn		= __phys_to_pfn(L4_PER_44XX_PHYS),
+		.length		= L4_PER_44XX_SIZE,
+		.type		= MT_DEVICE,
+	},
+	{
+		.virtual	= L4_EMU_44XX_VIRT,
+		.pfn		= __phys_to_pfn(L4_EMU_44XX_PHYS),
+		.length		= L4_EMU_44XX_SIZE,
+		.type		= MT_DEVICE,
+	},
+};
+#endif
 
 void __init omap2_map_common_io(void)
 {
@@ -183,6 +226,9 @@ void __init omap2_map_common_io(void)
 	iotable_init(omap34xx_io_desc, ARRAY_SIZE(omap34xx_io_desc));
 #endif
 
+#if defined(CONFIG_ARCH_OMAP4)
+	iotable_init(omap44xx_io_desc, ARRAY_SIZE(omap44xx_io_desc));
+#endif
 	/* Normally devicemaps_init() would flush caches and tlb after
 	 * mdesc->map_io(), but we must also do it here because of the CPU
 	 * revision check below.
@@ -198,9 +244,11 @@ void __init omap2_map_common_io(void)
 void __init omap2_init_common_hw(struct omap_sdrc_params *sp)
 {
 	omap2_mux_init();
+#ifndef CONFIG_ARCH_OMAP4 /* FIXME: Remove this once the clkdev is ready */
 	pwrdm_init(powerdomains_omap);
 	clkdm_init(clockdomains_omap, clkdm_pwrdm_autodeps);
 	omap2_clk_init();
 	omap2_sdrc_init(sp);
+#endif
 	gpmc_init();
 }

arch/arm/mach-omap2/serial.c

@@ -10,6 +10,9 @@
  *
  * Based off of arch/arm/mach-omap/omap1/serial.c
  *
+ * Copyright (C) 2009 Texas Instruments
+ * Added OMAP4 support - Santosh Shilimkar <santosh.shilimkar@ti.com
+ *
  * This file is subject to the terms and conditions of the GNU General Public
  * License. See the file "COPYING" in the main directory of this archive
  * for more details.
@@ -493,6 +496,10 @@ void __init omap_serial_init(void)
 
 	if (info == NULL)
 		return;
+	if (cpu_is_omap44xx()) {
+		for (i = 0; i < OMAP_MAX_NR_PORTS; i++)
+			serial_platform_data[i].irq += 32;
+	}
 
 	for (i = 0; i < OMAP_MAX_NR_PORTS; i++) {
 		struct plat_serial8250_port *p = serial_platform_data + i;

arch/arm/mach-omap2/timer-gp.c

@@ -17,9 +17,10 @@
  *
  * Some parts based off of TI's 24xx code:
  *
- *   Copyright (C) 2004 Texas Instruments, Inc.
+ * Copyright (C) 2004-2009 Texas Instruments, Inc.
  *
  * Roughly modelled after the OMAP1 MPU timer code.
+ * Added OMAP4 support - Santosh Shilimkar <santosh.shilimkar@ti.com>
  *
  * This file is subject to the terms and conditions of the GNU General Public
  * License. See the file "COPYING" in the main directory of this archive
@@ -82,7 +83,8 @@ static void omap2_gp_timer_set_mode(enum clock_event_mode mode,
 	case CLOCK_EVT_MODE_PERIODIC:
 		period = clk_get_rate(omap_dm_timer_get_fclk(gptimer)) / HZ;
 		period -= 1;
-
+		if (cpu_is_omap44xx())
+			period = 0xff;	/* FIXME: */
 		omap_dm_timer_set_load_start(gptimer, 1, 0xffffffff - period);
 		break;
 	case CLOCK_EVT_MODE_ONESHOT:
@@ -145,6 +147,9 @@ static void __init omap2_gp_clockevent_init(void)
 		     "timer-gp: omap_dm_timer_set_source() failed\n");
 
 	tick_rate = clk_get_rate(omap_dm_timer_get_fclk(gptimer));
+	if (cpu_is_omap44xx())
+		/* Assuming 32kHz clk is driving GPT1 */
+		tick_rate = 32768;	/* FIXME: */
 
 	pr_info("OMAP clockevent source: GPTIMER%d at %u Hz\n",
 		gptimer_id, tick_rate);

arch/arm/plat-omap/Kconfig

@@ -23,6 +23,11 @@ config ARCH_OMAP3
 	select CPU_V7
 	select COMMON_CLKDEV
 
+config ARCH_OMAP4
+	bool "TI OMAP4"
+	select CPU_V7
+	select ARM_GIC
+
 endchoice
 
 comment "OMAP Feature Selections"
@@ -128,13 +133,13 @@ config OMAP_MPU_TIMER
 
 config OMAP_32K_TIMER
 	bool "Use 32KHz timer"
-	depends on ARCH_OMAP16XX || ARCH_OMAP24XX || ARCH_OMAP34XX
+	depends on ARCH_OMAP16XX || ARCH_OMAP24XX || ARCH_OMAP34XX || ARCH_OMAP4
 	help
 	  Select this option if you want to enable the OMAP 32KHz timer.
 	  This timer saves power compared to the OMAP_MPU_TIMER, and has
 	  support for no tick during idle. The 32KHz timer provides less
 	  intra-tick resolution than OMAP_MPU_TIMER. The 32KHz timer is
-	  currently only available for OMAP16XX, 24XX and 34XX.
+	  currently only available for OMAP16XX, 24XX, 34XX and OMAP4.
 
 endchoice
 
@@ -149,7 +154,7 @@ config OMAP_32K_TIMER_HZ
 
 config OMAP_DM_TIMER
 	bool "Use dual-mode timer"
-	depends on ARCH_OMAP16XX || ARCH_OMAP24XX || ARCH_OMAP34XX
+	depends on ARCH_OMAP16XX || ARCH_OMAP24XX || ARCH_OMAP34XX || ARCH_OMAP4
 	help
 	 Select this option if you want to use OMAP Dual-Mode timers.
 

arch/arm/plat-omap/clock.c

@@ -36,10 +36,40 @@ static struct clk_functions *arch_clock;
  * Standard clock functions defined in include/linux/clk.h
  *-------------------------------------------------------------------------*/
 
+/* This functions is moved to arch/arm/common/clkdev.c. For OMAP4 since
+ * clock framework is not up , it is defined here to avoid rework in
+ * every driver. Also dummy prcm reset function is added */
+
+/* Dummy hooks only for OMAP4.For rest OMAPs, common clkdev is used */
+#if defined(CONFIG_ARCH_OMAP4)
+struct clk *clk_get(struct device *dev, const char *id)
+{
+	return NULL;
+}
+EXPORT_SYMBOL(clk_get);
+
+void clk_put(struct clk *clk)
+{
+}
+EXPORT_SYMBOL(clk_put);
+
+void omap2_clk_prepare_for_reboot(void)
+{
+}
+EXPORT_SYMBOL(omap2_clk_prepare_for_reboot);
+
+void omap_prcm_arch_reset(char mode)
+{
+}
+EXPORT_SYMBOL(omap_prcm_arch_reset);
+#endif
 int clk_enable(struct clk *clk)
 {
 	unsigned long flags;
 	int ret = 0;
+	if (cpu_is_omap44xx())
+		/* OMAP4 clk framework not supported yet */
+		return 0;
 
 	if (clk == NULL || IS_ERR(clk))
 		return -EINVAL;
@@ -140,6 +170,9 @@ int clk_set_parent(struct clk *clk, struct clk *parent)
 	unsigned long flags;
 	int ret = -EINVAL;
 
+	if (cpu_is_omap44xx())
+	/* OMAP4 clk framework not supported yet */
+		return 0;
 	if (clk == NULL || IS_ERR(clk) || parent == NULL || IS_ERR(parent))
 		return ret;
 

arch/arm/plat-omap/common.c

@@ -2,6 +2,10 @@
  * linux/arch/arm/plat-omap/common.c
  *
  * Code common to all OMAP machines.
+ * The file is created by Tony Lindgren <tony@atomide.com>
+ *
+ * Copyright (C) 2009 Texas Instruments
+ * Added OMAP4 support - Santosh Shilimkar <santosh.shilimkar@ti.com>
  *
  * 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
@@ -216,6 +220,15 @@ static cycle_t omap34xx_32k_read(struct clocksource *cs)
 #define omap34xx_32k_read	NULL
 #endif
 
+#ifdef CONFIG_ARCH_OMAP4
+static cycle_t omap44xx_32k_read(struct clocksource *cs)
+{
+	return omap_readl(OMAP4430_32KSYNCT_BASE + 0x10);
+}
+#else
+#define omap44xx_32k_read	NULL
+#endif
+
 /*
  * Kernel assumes that sched_clock can be called early but may not have
  * things ready yet.
@@ -263,6 +276,8 @@ static int __init omap_init_clocksource_32k(void)
 			clocksource_32k.read = omap2430_32k_read;
 		else if (cpu_is_omap34xx())
 			clocksource_32k.read = omap34xx_32k_read;
+		else if (cpu_is_omap44xx())
+			clocksource_32k.read = omap44xx_32k_read;
 		else
 			return -ENODEV;
 
@@ -350,3 +365,19 @@ void __init omap2_set_globals_343x(void)
 }
 #endif
 
+#if defined(CONFIG_ARCH_OMAP4)
+static struct omap_globals omap4_globals = {
+	.class	= OMAP443X_CLASS,
+	.tap	= OMAP2_IO_ADDRESS(0x4830a000),
+	.ctrl	= OMAP2_IO_ADDRESS(OMAP443X_CTRL_BASE),
+	.prm	= OMAP2_IO_ADDRESS(OMAP4430_PRM_BASE),
+	.cm	= OMAP2_IO_ADDRESS(OMAP4430_CM_BASE),
+};
+
+void __init omap2_set_globals_443x(void)
+{
+	omap2_set_globals_tap(&omap4_globals);
+	omap2_set_globals_control(&omap4_globals);
+}
+#endif
+

arch/arm/plat-omap/devices.c

@@ -311,6 +311,8 @@ static void omap_init_wdt(void)
 		wdt_resources[0].start = 0x49016000; /* WDT2 */
 	else if (cpu_is_omap343x())
 		wdt_resources[0].start = 0x48314000; /* WDT2 */
+	else if (cpu_is_omap44xx())
+		wdt_resources[0].start = 0x4a314000;
 	else
 		return;
 

arch/arm/plat-omap/dma.c

@@ -10,6 +10,9 @@
  * Merged to support both OMAP1 and OMAP2 by Tony Lindgren <tony@atomide.com>
  * Some functions based on earlier dma-omap.c Copyright (C) 2001 RidgeRun, Inc.
  *
+ * Copyright (C) 2009 Texas Instruments
+ * Added OMAP4 support - Santosh Shilimkar <santosh.shilimkar@ti.com>
+ *
  * Support functions for the OMAP internal DMA channels.
  *
  * This program is free software; you can redistribute it and/or modify
@@ -872,7 +875,7 @@ omap_dma_set_prio_lch(int lch, unsigned char read_prio,
 	}
 	l = dma_read(CCR(lch));
 	l &= ~((1 << 6) | (1 << 26));
-	if (cpu_is_omap2430() || cpu_is_omap34xx())
+	if (cpu_is_omap2430() || cpu_is_omap34xx() ||  cpu_is_omap44xx())
 		l |= ((read_prio & 0x1) << 6) | ((write_prio & 0x1) << 26);
 	else
 		l |= ((read_prio & 0x1) << 6);
@@ -1844,7 +1847,8 @@ static irqreturn_t omap1_dma_irq_handler(int irq, void *dev_id)
 #define omap1_dma_irq_handler	NULL
 #endif
 
-#if defined(CONFIG_ARCH_OMAP2) || defined(CONFIG_ARCH_OMAP3)
+#if defined(CONFIG_ARCH_OMAP2) || defined(CONFIG_ARCH_OMAP3) || \
+			defined(CONFIG_ARCH_OMAP4)
 
 static int omap2_dma_handle_ch(int ch)
 {
@@ -2339,6 +2343,9 @@ static int __init omap_init_dma(void)
 	} else if (cpu_is_omap34xx()) {
 		omap_dma_base = IO_ADDRESS(OMAP34XX_DMA4_BASE);
 		dma_lch_count = OMAP_DMA4_LOGICAL_DMA_CH_COUNT;
+	} else if (cpu_is_omap44xx()) {
+		omap_dma_base = IO_ADDRESS(OMAP44XX_DMA4_BASE);
+		dma_lch_count = OMAP_DMA4_LOGICAL_DMA_CH_COUNT;
 	} else {
 		pr_err("DMA init failed for unsupported omap\n");
 		return -ENODEV;
@@ -2437,12 +2444,18 @@ static int __init omap_init_dma(void)
 		}
 	}
 
-	if (cpu_is_omap2430() || cpu_is_omap34xx())
+	if (cpu_is_omap2430() || cpu_is_omap34xx() || cpu_is_omap44xx())
 		omap_dma_set_global_params(DMA_DEFAULT_ARB_RATE,
 				DMA_DEFAULT_FIFO_DEPTH, 0);
 
-	if (cpu_class_is_omap2())
-		setup_irq(INT_24XX_SDMA_IRQ0, &omap24xx_dma_irq);
+	if (cpu_class_is_omap2()) {
+		int irq;
+		if (cpu_is_omap44xx())
+			irq = INT_44XX_SDMA_IRQ0;
+		else
+			irq = INT_24XX_SDMA_IRQ0;
+		setup_irq(irq, &omap24xx_dma_irq);
+	}
 
 	/* FIXME: Update LCD DMA to work on 24xx */
 	if (cpu_class_is_omap1()) {

arch/arm/plat-omap/dmtimer.c

@@ -7,6 +7,9 @@
  * OMAP2 support by Juha Yrjola
  * API improvements and OMAP2 clock framework support by Timo Teras
  *
+ * Copyright (C) 2009 Texas Instruments
+ * Added OMAP4 support - Santosh Shilimkar <santosh.shilimkar@ti.com>
+ *
  * 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
@@ -150,7 +153,8 @@
 struct omap_dm_timer {
 	unsigned long phys_base;
 	int irq;
-#if defined(CONFIG_ARCH_OMAP2) || defined(CONFIG_ARCH_OMAP3)
+#if defined(CONFIG_ARCH_OMAP2) || defined(CONFIG_ARCH_OMAP3) || \
+			defined(CONFIG_ARCH_OMAP4)
 	struct clk *iclk, *fclk;
 #endif
 	void __iomem *io_base;
@@ -169,6 +173,9 @@ struct omap_dm_timer {
 #define omap3_dm_timers			NULL
 #define omap3_dm_source_names		NULL
 #define omap3_dm_source_clocks		NULL
+#define omap4_dm_timers			NULL
+#define omap4_dm_source_names		NULL
+#define omap4_dm_source_clocks		NULL
 
 static struct omap_dm_timer omap1_dm_timers[] = {
 	{ .phys_base = 0xfffb1400, .irq = INT_1610_GPTIMER1 },
@@ -191,6 +198,9 @@ static const int dm_timer_count = ARRAY_SIZE(omap1_dm_timers);
 #define omap3_dm_timers			NULL
 #define omap3_dm_source_names		NULL
 #define omap3_dm_source_clocks		NULL
+#define omap4_dm_timers			NULL
+#define omap4_dm_source_names		NULL
+#define omap4_dm_source_clocks		NULL
 
 static struct omap_dm_timer omap2_dm_timers[] = {
 	{ .phys_base = 0x48028000, .irq = INT_24XX_GPTIMER1 },
@@ -225,6 +235,9 @@ static const int dm_timer_count = ARRAY_SIZE(omap2_dm_timers);
 #define omap2_dm_timers			NULL
 #define omap2_dm_source_names		NULL
 #define omap2_dm_source_clocks		NULL
+#define omap4_dm_timers			NULL
+#define omap4_dm_source_names		NULL
+#define omap4_dm_source_clocks		NULL
 
 static struct omap_dm_timer omap3_dm_timers[] = {
 	{ .phys_base = 0x48318000, .irq = INT_24XX_GPTIMER1 },
@@ -250,6 +263,40 @@ static const char *omap3_dm_source_names[] __initdata = {
 static struct clk *omap3_dm_source_clocks[2];
 static const int dm_timer_count = ARRAY_SIZE(omap3_dm_timers);
 
+#elif defined(CONFIG_ARCH_OMAP4)
+
+#define omap_dm_clk_enable(x)		clk_enable(x)
+#define omap_dm_clk_disable(x)		clk_disable(x)
+#define omap1_dm_timers			NULL
+#define omap2_dm_timers			NULL
+#define omap2_dm_source_names		NULL
+#define omap2_dm_source_clocks		NULL
+#define omap3_dm_timers			NULL
+#define omap3_dm_source_names		NULL
+#define omap3_dm_source_clocks		NULL
+
+static struct omap_dm_timer omap4_dm_timers[] = {
+	{ .phys_base = 0x4a318000, .irq = INT_44XX_GPTIMER1 },
+	{ .phys_base = 0x48032000, .irq = INT_44XX_GPTIMER2 },
+	{ .phys_base = 0x48034000, .irq = INT_44XX_GPTIMER3 },
+	{ .phys_base = 0x48036000, .irq = INT_44XX_GPTIMER4 },
+	{ .phys_base = 0x40138000, .irq = INT_44XX_GPTIMER5 },
+	{ .phys_base = 0x4013a000, .irq = INT_44XX_GPTIMER6 },
+	{ .phys_base = 0x4013a000, .irq = INT_44XX_GPTIMER7 },
+	{ .phys_base = 0x4013e000, .irq = INT_44XX_GPTIMER8 },
+	{ .phys_base = 0x4803e000, .irq = INT_44XX_GPTIMER9 },
+	{ .phys_base = 0x48086000, .irq = INT_44XX_GPTIMER10 },
+	{ .phys_base = 0x48088000, .irq = INT_44XX_GPTIMER11 },
+	{ .phys_base = 0x4a320000, .irq = INT_44XX_GPTIMER12 },
+};
+static const char *omap4_dm_source_names[] __initdata = {
+	"sys_ck",
+	"omap_32k_fck",
+	NULL
+};
+static struct clk *omap4_dm_source_clocks[2];
+static const int dm_timer_count = ARRAY_SIZE(omap4_dm_timers);
+
 #else
 
 #error OMAP architecture not supported!
@@ -459,7 +506,8 @@ __u32 omap_dm_timer_modify_idlect_mask(__u32 inputmask)
 }
 EXPORT_SYMBOL_GPL(omap_dm_timer_modify_idlect_mask);
 
-#elif defined(CONFIG_ARCH_OMAP2) || defined (CONFIG_ARCH_OMAP3)
+#elif defined(CONFIG_ARCH_OMAP2) || defined(CONFIG_ARCH_OMAP3) || \
+				defined(CONFIG_ARCH_OMAP4)
 
 struct clk *omap_dm_timer_get_fclk(struct omap_dm_timer *timer)
 {
@@ -711,6 +759,10 @@ int __init omap_dm_timer_init(void)
 		dm_timers = omap3_dm_timers;
 		dm_source_names = omap3_dm_source_names;
 		dm_source_clocks = omap3_dm_source_clocks;
+	} else if (cpu_is_omap44xx()) {
+		dm_timers = omap4_dm_timers;
+		dm_source_names = omap4_dm_source_names;
+		dm_source_clocks = omap4_dm_source_clocks;
 	}
 
 	if (cpu_class_is_omap2())
@@ -723,7 +775,8 @@ int __init omap_dm_timer_init(void)
 	for (i = 0; i < dm_timer_count; i++) {
 		timer = &dm_timers[i];
 		timer->io_base = IO_ADDRESS(timer->phys_base);
-#if defined(CONFIG_ARCH_OMAP2) || defined(CONFIG_ARCH_OMAP3)
+#if defined(CONFIG_ARCH_OMAP2) || defined(CONFIG_ARCH_OMAP3) || \
+					defined(CONFIG_ARCH_OMAP4)
 		if (cpu_class_is_omap2()) {
 			char clk_name[16];
 			sprintf(clk_name, "gpt%d_ick", i + 1);

arch/arm/plat-omap/include/mach/clock.h

@@ -22,7 +22,8 @@ struct clkops {
 	void			(*disable)(struct clk *);
 };
 
-#if defined(CONFIG_ARCH_OMAP2) || defined(CONFIG_ARCH_OMAP3)
+#if defined(CONFIG_ARCH_OMAP2) || defined(CONFIG_ARCH_OMAP3) || \
+		defined(CONFIG_ARCH_OMAP4)
 
 struct clksel_rate {
 	u32			val;
@@ -51,7 +52,7 @@ struct dpll_data {
 	u8			max_divider;
 	u32			max_tolerance;
 	u16			max_multiplier;
-#  if defined(CONFIG_ARCH_OMAP3)
+#if defined(CONFIG_ARCH_OMAP3) || defined(CONFIG_ARCH_OMAP4)
 	u8			modes;
 	void __iomem		*autoidle_reg;
 	void __iomem		*idlest_reg;
@@ -83,7 +84,8 @@ struct clk {
 	void			(*init)(struct clk *);
 	__u8			enable_bit;
 	__s8			usecount;
-#if defined(CONFIG_ARCH_OMAP2) || defined(CONFIG_ARCH_OMAP3)
+#if defined(CONFIG_ARCH_OMAP2) || defined(CONFIG_ARCH_OMAP3) || \
+		defined(CONFIG_ARCH_OMAP4)
 	u8			fixed_div;
 	void __iomem		*clksel_reg;
 	u32			clksel_mask;

arch/arm/plat-omap/include/mach/common.h

@@ -60,6 +60,7 @@ struct omap_globals {
 void omap2_set_globals_242x(void);
 void omap2_set_globals_243x(void);
 void omap2_set_globals_343x(void);
+void omap2_set_globals_443x(void);
 
 /* These get called from omap2_set_globals_xxxx(), do not call these */
 void omap2_set_globals_tap(struct omap_globals *);

arch/arm/plat-omap/include/mach/control.h

 /*
  * arch/arm/plat-omap/include/mach/control.h
  *
- * OMAP2/3 System Control Module definitions
+ * OMAP2/3/4 System Control Module definitions
  *
- * Copyright (C) 2007-2008 Texas Instruments, Inc.
+ * Copyright (C) 2007-2009 Texas Instruments, Inc.
  * Copyright (C) 2007-2008 Nokia Corporation
  *
  * Written by Paul Walmsley
@@ -203,7 +203,8 @@
 #define OMAP3_PADCONF_WAKEUPENABLE0	(1 << 14)
 
 #ifndef __ASSEMBLY__
-#if defined(CONFIG_ARCH_OMAP2) || defined(CONFIG_ARCH_OMAP3)
+#if defined(CONFIG_ARCH_OMAP2) || defined(CONFIG_ARCH_OMAP3) || \
+		defined(CONFIG_ARCH_OMAP4)
 extern void __iomem *omap_ctrl_base_get(void);
 extern u8 omap_ctrl_readb(u16 offset);
 extern u16 omap_ctrl_readw(u16 offset);

arch/arm/plat-omap/include/mach/cpu.h

@@ -5,8 +5,12 @@
  *
  * Copyright (C) 2004, 2008 Nokia Corporation
  *
+ * Copyright (C) 2009 Texas Instruments.
+ *
  * Written by Tony Lindgren <tony.lindgren@nokia.com>
  *
+ * Added OMAP4 specific defines - Santosh Shilimkar<santosh.shilimkar@ti.com>
+ *
  * 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
@@ -155,6 +159,8 @@ IS_OMAP_SUBCLASS(343x, 0x343)
 #define cpu_is_omap243x()		0
 #define cpu_is_omap34xx()		0
 #define cpu_is_omap343x()		0
+#define cpu_is_omap44xx()		0
+#define cpu_is_omap443x()		0
 
 #if defined(MULTI_OMAP1)
 # if defined(CONFIG_ARCH_OMAP730)
@@ -348,12 +354,21 @@ IS_OMAP_TYPE(3430, 0x3430)
 # define cpu_is_omap3430()		is_omap3430()
 #endif
 
+# if defined(CONFIG_ARCH_OMAP4)
+# undef cpu_is_omap44xx
+# undef cpu_is_omap443x
+# define cpu_is_omap44xx()		1
+# define cpu_is_omap443x()		1
+# endif
+
 /* Macros to detect if we have OMAP1 or OMAP2 */
 #define cpu_class_is_omap1()	(cpu_is_omap7xx() || cpu_is_omap15xx() || \
 				cpu_is_omap16xx())
-#define cpu_class_is_omap2()	(cpu_is_omap24xx() || cpu_is_omap34xx())
+#define cpu_class_is_omap2()	(cpu_is_omap24xx() || cpu_is_omap34xx() || \
+				cpu_is_omap44xx())
 
-#if defined(CONFIG_ARCH_OMAP2) || defined(CONFIG_ARCH_OMAP3)
+#if defined(CONFIG_ARCH_OMAP2) || defined(CONFIG_ARCH_OMAP3) || \
+			defined(CONFIG_ARCH_OMAP4)
 
 /* Various silicon revisions for omap2 */
 #define OMAP242X_CLASS		0x24200024
@@ -370,6 +385,8 @@ IS_OMAP_TYPE(3430, 0x3430)
 #define OMAP3430_REV_ES3_0	0x34303034
 #define OMAP3430_REV_ES3_1	0x34304034
 
+#define OMAP443X_CLASS		0x44300034
+
 /*
  * omap_chip bits
  *

arch/arm/plat-omap/include/mach/debug-macro.S

@@ -36,7 +36,7 @@
 		add	\rx, \rx, #0x00004000	@ UART 3
 #endif
 
-#elif	CONFIG_ARCH_OMAP3
+#elif defined(CONFIG_ARCH_OMAP3) || defined(CONFIG_ARCH_OMAP4)
 		moveq	\rx, #0x48000000	@ physical base address
 		movne	\rx, #0xd8000000	@ virtual base
 		orr	\rx, \rx, #0x0006a000

arch/arm/plat-omap/include/mach/dma.h

@@ -48,6 +48,7 @@
 /* Hardware registers for omap2 and omap3 */
 #define OMAP24XX_DMA4_BASE		(L4_24XX_BASE + 0x56000)
 #define OMAP34XX_DMA4_BASE		(L4_34XX_BASE + 0x56000)
+#define OMAP44XX_DMA4_BASE		(L4_44XX_BASE + 0x56000)
 
 #define OMAP_DMA4_REVISION		0x00
 #define OMAP_DMA4_GCR			0x78

arch/arm/plat-omap/include/mach/entry-macro.S

@@ -3,6 +3,9 @@
  *
  * Low-level IRQ helper macros for OMAP-based platforms
  *
+ * Copyright (C) 2009 Texas Instruments
+ * Added OMAP4 support - Santosh Shilimkar <santosh.shilimkar@ti.com>
+ *
  * This file is licensed under  the terms of the GNU General Public
  * License version 2. This program is licensed "as is" without any
  * warranty of any kind, whether express or implied.
@@ -10,6 +13,7 @@
 #include <mach/hardware.h>
 #include <mach/io.h>
 #include <mach/irqs.h>
+#include <asm/hardware/gic.h>
 
 #if defined(CONFIG_ARCH_OMAP1)
 
@@ -56,7 +60,8 @@
 		.endm
 
 #endif
-#if defined(CONFIG_ARCH_OMAP24XX) || defined(CONFIG_ARCH_OMAP34XX)
+#if defined(CONFIG_ARCH_OMAP24XX) || defined(CONFIG_ARCH_OMAP34XX) || \
+			defined(CONFIG_ARCH_OMAP4)
 
 #include <mach/omap24xx.h>
 #include <mach/omap34xx.h>
@@ -67,7 +72,9 @@
 #elif defined(CONFIG_ARCH_OMAP34XX)
 #define OMAP2_VA_IC_BASE		IO_ADDRESS(OMAP34XX_IC_BASE)
 #endif
-
+#if defined(CONFIG_ARCH_OMAP4)
+#include <mach/omap44xx.h>
+#endif
 #define INTCPS_SIR_IRQ_OFFSET	0x0040		/* Active interrupt offset */
 #define	ACTIVEIRQ_MASK		0x7f		/* Active interrupt bits */
 
@@ -80,6 +87,7 @@
 		.macro  arch_ret_to_user, tmp1, tmp2
 		.endm
 
+#ifndef CONFIG_ARCH_OMAP4
 		.macro	get_irqnr_and_base, irqnr, irqstat, base, tmp
 		ldr	\base, =OMAP2_VA_IC_BASE
 		ldr	\irqnr, [\base, #0x98] /* IRQ pending reg 1 */
@@ -95,6 +103,40 @@
 		and	\irqnr, \irqnr, #ACTIVEIRQ_MASK /* Clear spurious bits */
 
 		.endm
+#else
+		/*
+		 * The interrupt numbering scheme is defined in the
+		 * interrupt controller spec.  To wit:
+		 *
+		 * Interrupts 0-15 are IPI
+		 * 16-28 are reserved
+		 * 29-31 are local.  We allow 30 to be used for the watchdog.
+		 * 32-1020 are global
+		 * 1021-1022 are reserved
+		 * 1023 is "spurious" (no interrupt)
+		 *
+		 * For now, we ignore all local interrupts so only return an
+		 * interrupt if it's between 30 and 1020.  The test_for_ipi
+		 * routine below will pick up on IPIs.
+		 * A simple read from the controller will tell us the number
+		 * of the highest priority enabled interrupt.
+		 * We then just need to check whether it is in the
+		 * valid range for an IRQ (30-1020 inclusive).
+		 */
+		.macro  get_irqnr_and_base, irqnr, irqstat, base, tmp
+		ldr     \base, =OMAP44XX_VA_GIC_CPU_BASE
+		ldr     \irqstat, [\base, #GIC_CPU_INTACK]
+
+		ldr     \tmp, =1021
+
+		bic     \irqnr, \irqstat, #0x1c00
+
+		cmp     \irqnr, #29
+		cmpcc   \irqnr, \irqnr
+		cmpne   \irqnr, \tmp
+		cmpcs   \irqnr, \irqnr
+		.endm
+#endif
 
 		.macro	irq_prio_table
 		.endm

arch/arm/plat-omap/include/mach/hardware.h

@@ -285,5 +285,6 @@
 #include "omap16xx.h"
 #include "omap24xx.h"
 #include "omap34xx.h"
+#include "omap44xx.h"
 
 #endif	/* __ASM_ARCH_OMAP_HARDWARE_H */

arch/arm/plat-omap/include/mach/io.h

@@ -6,6 +6,9 @@
  * Copied from arch/arm/mach-sa1100/include/mach/io.h
  * Copyright (C) 1997-1999 Russell King
  *
+ * Copyright (C) 2009 Texas Instruments
+ * Added OMAP4 support - Santosh Shilimkar <santosh.shilimkar@ti.com>
+ *
  * 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
@@ -157,6 +160,40 @@
 #define DSP_MMU_34XX_VIRT	0xe2000000
 #define DSP_MMU_34XX_SIZE	SZ_4K
 
+
+#elif defined(CONFIG_ARCH_OMAP4)
+/* We map both L3 and L4 on OMAP4 */
+#define L3_44XX_PHYS		L3_44XX_BASE
+#define L3_44XX_VIRT		0xd4000000
+#define L3_44XX_SIZE		SZ_1M
+
+#define L4_44XX_PHYS		L4_44XX_BASE
+#define L4_44XX_VIRT		0xda000000
+#define L4_44XX_SIZE		SZ_4M
+
+
+#define L4_WK_44XX_PHYS		L4_WK_44XX_BASE
+#define L4_WK_44XX_VIRT		0xda300000
+#define L4_WK_44XX_SIZE		SZ_1M
+
+#define L4_PER_44XX_PHYS	L4_PER_44XX_BASE
+#define L4_PER_44XX_VIRT	0xd8000000
+#define L4_PER_44XX_SIZE	SZ_4M
+
+#define L4_EMU_44XX_PHYS	L4_EMU_44XX_BASE
+#define L4_EMU_44XX_VIRT	0xe4000000
+#define L4_EMU_44XX_SIZE	SZ_64M
+
+#define OMAP44XX_GPMC_PHYS	OMAP44XX_GPMC_BASE
+#define OMAP44XX_GPMC_VIRT	0xe0000000
+#define OMAP44XX_GPMC_SIZE	SZ_1M
+
+
+#define IO_OFFSET		0x90000000
+#define __IO_ADDRESS(pa)	((pa) + IO_OFFSET)/* Works for L3 and L4 */
+#define __OMAP2_IO_ADDRESS(pa)	((pa) + IO_OFFSET)/* Works for L3 and L4 */
+#define io_v2p(va)		((va) - IO_OFFSET)/* Works for L3 and L4 */
+
 #endif
 
 #define IO_ADDRESS(pa)		IOMEM(__IO_ADDRESS(pa))

arch/arm/plat-omap/include/mach/irqs.h

@@ -4,6 +4,9 @@
  *  Copyright (C) Greg Lonnon 2001
  *  Updated for OMAP-1610 by Tony Lindgren <tony@atomide.com>
  *
+ * Copyright (C) 2009 Texas Instruments
+ * Added OMAP4 support - Santosh Shilimkar <santosh.shilimkar@ti.com>
+ *
  * 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
@@ -422,6 +425,92 @@
 
 #define	INT_34XX_BENCH_MPU_EMUL	3
 
+
+#define IRQ_GIC_START		32
+
+#define INT_44XX_BENCH_MPU_EMUL	(3 + IRQ_GIC_START)
+#define INT_44XX_SSM_ABORT_IRQ	(6 + IRQ_GIC_START)
+#define INT_44XX_SYS_NIRQ	(7 + IRQ_GIC_START)
+#define INT_44XX_D2D_FW_IRQ	(8 + IRQ_GIC_START)
+#define INT_44XX_PRCM_MPU_IRQ	(11 + IRQ_GIC_START)
+#define INT_44XX_SDMA_IRQ0	(12 + IRQ_GIC_START)
+#define INT_44XX_SDMA_IRQ1	(13 + IRQ_GIC_START)
+#define INT_44XX_SDMA_IRQ2	(14 + IRQ_GIC_START)
+#define INT_44XX_SDMA_IRQ3	(15 + IRQ_GIC_START)
+#define INT_44XX_ISS_IRQ	(24 + IRQ_GIC_START)
+#define INT_44XX_DSS_IRQ	(25 + IRQ_GIC_START)
+#define INT_44XX_MAIL_U0_MPU	(26 + IRQ_GIC_START)
+#define INT_44XX_DSP_MMU	(28 + IRQ_GIC_START)
+#define INT_44XX_GPTIMER1	(37 + IRQ_GIC_START)
+#define INT_44XX_GPTIMER2	(38 + IRQ_GIC_START)
+#define INT_44XX_GPTIMER3	(39 + IRQ_GIC_START)
+#define INT_44XX_GPTIMER4	(40 + IRQ_GIC_START)
+#define INT_44XX_GPTIMER5	(41 + IRQ_GIC_START)
+#define INT_44XX_GPTIMER6	(42 + IRQ_GIC_START)
+#define INT_44XX_GPTIMER7	(43 + IRQ_GIC_START)
+#define INT_44XX_GPTIMER8	(44 + IRQ_GIC_START)
+#define INT_44XX_GPTIMER9	(45 + IRQ_GIC_START)
+#define INT_44XX_GPTIMER10	(46 + IRQ_GIC_START)
+#define INT_44XX_GPTIMER11	(47 + IRQ_GIC_START)
+#define INT_44XX_GPTIMER12	(95 + IRQ_GIC_START)
+#define INT_44XX_SHA1MD5	(51 + IRQ_GIC_START)
+#define INT_44XX_I2C1_IRQ	(56 + IRQ_GIC_START)
+#define INT_44XX_I2C2_IRQ	(57 + IRQ_GIC_START)
+#define INT_44XX_HDQ_IRQ	(58 + IRQ_GIC_START)
+#define INT_44XX_SPI1_IRQ	(65 + IRQ_GIC_START)
+#define INT_44XX_SPI2_IRQ	(66 + IRQ_GIC_START)
+#define INT_44XX_HSI_1_IRQ0	(67 + IRQ_GIC_START)
+#define INT_44XX_HSI_2_IRQ1	(68 + IRQ_GIC_START)
+#define INT_44XX_HSI_1_DMAIRQ	(71 + IRQ_GIC_START)
+#define INT_44XX_UART1_IRQ	(72 + IRQ_GIC_START)
+#define INT_44XX_UART2_IRQ	(73 + IRQ_GIC_START)
+#define INT_44XX_UART3_IRQ	(74 + IRQ_GIC_START)
+#define INT_44XX_UART4_IRQ	(70 + IRQ_GIC_START)
+#define INT_44XX_USB_IRQ_NISO	(76 + IRQ_GIC_START)
+#define INT_44XX_USB_IRQ_ISO	(77 + IRQ_GIC_START)
+#define INT_44XX_USB_IRQ_HGEN	(78 + IRQ_GIC_START)
+#define INT_44XX_USB_IRQ_HSOF	(79 + IRQ_GIC_START)
+#define INT_44XX_USB_IRQ_OTG	(80 + IRQ_GIC_START)
+#define INT_44XX_MCBSP4_IRQ_TX	(81 + IRQ_GIC_START)
+#define INT_44XX_MCBSP4_IRQ_RX	(82 + IRQ_GIC_START)
+#define INT_44XX_MMC_IRQ	(83 + IRQ_GIC_START)
+#define INT_44XX_MMC2_IRQ	(86 + IRQ_GIC_START)
+#define INT_44XX_MCBSP2_IRQ_TX	(89 + IRQ_GIC_START)
+#define INT_44XX_MCBSP2_IRQ_RX	(90 + IRQ_GIC_START)
+#define INT_44XX_SPI3_IRQ	(91 + IRQ_GIC_START)
+#define INT_44XX_SPI5_IRQ	(69 + IRQ_GIC_START)
+
+#define INT_44XX_MCBSP5_IRQ	(16 + IRQ_GIC_START)
+#define INT_44xX_MCBSP1_IRQ	(17 + IRQ_GIC_START)
+#define INT_44XX_MCBSP2_IRQ	(22 + IRQ_GIC_START)
+#define INT_44XX_MCBSP3_IRQ	(23 + IRQ_GIC_START)
+#define INT_44XX_MCBSP4_IRQ	(27 + IRQ_GIC_START)
+#define INT_44XX_HS_USB_MC	(92 + IRQ_GIC_START)
+#define INT_44XX_HS_USB_DMA	(93 + IRQ_GIC_START)
+
+#define INT_44XX_GPIO_BANK1	(29 + IRQ_GIC_START)
+#define INT_44XX_GPIO_BANK2	(30 + IRQ_GIC_START)
+#define INT_44XX_GPIO_BANK3	(31 + IRQ_GIC_START)
+#define INT_44XX_GPIO_BANK4	(32 + IRQ_GIC_START)
+#define INT_44XX_GPIO_BANK5	(33 + IRQ_GIC_START)
+#define INT_44XX_GPIO_BANK6	(34 + IRQ_GIC_START)
+#define INT_44XX_USIM_IRQ	(35 + IRQ_GIC_START)
+#define INT_44XX_WDT3_IRQ	(36 + IRQ_GIC_START)
+#define INT_44XX_SPI4_IRQ	(48 + IRQ_GIC_START)
+#define INT_44XX_SHA1MD52_IRQ	(49 + IRQ_GIC_START)
+#define INT_44XX_FPKA_READY_IRQ	(50 + IRQ_GIC_START)
+#define INT_44XX_SHA1MD51_IRQ	(51 + IRQ_GIC_START)
+#define INT_44XX_RNG_IRQ	(52 + IRQ_GIC_START)
+#define INT_44XX_I2C3_IRQ	(61 + IRQ_GIC_START)
+#define INT_44XX_FPKA_ERROR_IRQ	(64 + IRQ_GIC_START)
+#define INT_44XX_PBIAS_IRQ	(75 + IRQ_GIC_START)
+#define INT_44XX_OHCI_IRQ	(76 + IRQ_GIC_START)
+#define INT_44XX_EHCI_IRQ	(77 + IRQ_GIC_START)
+#define INT_44XX_TLL_IRQ	(78 + IRQ_GIC_START)
+#define INT_44XX_PARTHASH_IRQ	(79 + IRQ_GIC_START)
+#define INT_44XX_MMC3_IRQ	(94 + IRQ_GIC_START)
+
+
 /* Max. 128 level 2 IRQs (OMAP1610), 192 GPIOs (OMAP730/850) and
  * 16 MPUIO lines */
 #define OMAP_MAX_GPIO_LINES	192

arch/arm/plat-omap/include/mach/memory.h

@@ -38,7 +38,8 @@
  */
 #if defined(CONFIG_ARCH_OMAP1)
 #define PHYS_OFFSET		UL(0x10000000)
-#elif defined(CONFIG_ARCH_OMAP2) || defined(CONFIG_ARCH_OMAP3)
+#elif defined(CONFIG_ARCH_OMAP2) || defined(CONFIG_ARCH_OMAP3) || \
+			defined(CONFIG_ARCH_OMAP4)
 #define PHYS_OFFSET		UL(0x80000000)
 #endif
 

arch/arm/plat-omap/include/mach/omap44xx.h

+/*:
+ * Address mappings and base address for OMAP4 interconnects
+ * and peripherals.
+ *
+ * Copyright (C) 2009 Texas Instruments
+ *
+ * Author: Santosh Shilimkar <santosh.shilimkar@ti.com>
+ *
+ * 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 __ASM_ARCH_OMAP44XX_H
+#define __ASM_ARCH_OMAP44XX_H
+
+/*
+ * Please place only base defines here and put the rest in device
+ * specific headers.
+ */
+#define L4_44XX_BASE			0x4a000000
+#define L4_WK_44XX_BASE			0x4a300000
+#define L4_PER_44XX_BASE		0x48000000
+#define L4_EMU_44XX_BASE		0x54000000
+#define L3_44XX_BASE			0x44000000
+#define OMAP4430_32KSYNCT_BASE		0x4a304000
+#define OMAP4430_CM_BASE		0x4a004000
+#define OMAP4430_PRM_BASE		0x48306000
+#define OMAP44XX_GPMC_BASE		0x50000000
+#define OMAP443X_SCM_BASE		0x4a002000
+#define OMAP443X_CTRL_BASE		OMAP443X_SCM_BASE
+#define OMAP44XX_IC_BASE		0x48200000
+#define OMAP44XX_IVA_INTC_BASE		0x40000000
+#define IRQ_SIR_IRQ			0x0040
+#define OMAP44XX_GIC_DIST_BASE		0x48241000
+#define OMAP44XX_GIC_CPU_BASE		0x48240100
+#define OMAP44XX_VA_GIC_CPU_BASE	IO_ADDRESS(OMAP44XX_GIC_CPU_BASE)
+#define OMAP44XX_SCU_BASE		0x48240000
+#define OMAP44XX_VA_SCU_BASE		IO_ADDRESS(OMAP44XX_SCU_BASE)
+#define OMAP44XX_LOCAL_TWD_BASE		0x48240600
+#define OMAP44XX_VA_LOCAL_TWD_BASE	IO_ADDRESS(OMAP44XX_LOCAL_TWD_BASE)
+#define OMAP44XX_LOCAL_TWD_SIZE		0x00000100
+#define OMAP44XX_WKUPGEN_BASE		0x48281000
+#define OMAP44XX_VA_WKUPGEN_BASE	IO_ADDRESS(OMAP44XX_WKUPGEN_BASE)
+
+#endif /* __ASM_ARCH_OMAP44XX_H */
+

arch/arm/plat-omap/include/mach/serial.h

 /*
- *  arch/arm/plat-omap/include/mach/serial.h
+ * arch/arm/plat-omap/include/mach/serial.h
+ *
+ * Copyright (C) 2009 Texas Instruments
+ * Addded OMAP4 support- Santosh Shilimkar <santosh.shilimkar@ti.com>
  *
  * This program is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
@@ -15,19 +18,28 @@
 #define OMAP_UART1_BASE		0xfffb0000
 #define OMAP_UART2_BASE		0xfffb0800
 #define OMAP_UART3_BASE		0xfffb9800
+#define OMAP_MAX_NR_PORTS	3
 #elif defined(CONFIG_ARCH_OMAP2)
 /* OMAP2 serial ports */
 #define OMAP_UART1_BASE		0x4806a000
 #define OMAP_UART2_BASE		0x4806c000
 #define OMAP_UART3_BASE		0x4806e000
+#define OMAP_MAX_NR_PORTS	3
 #elif defined(CONFIG_ARCH_OMAP3)
 /* OMAP3 serial ports */
 #define OMAP_UART1_BASE		0x4806a000
 #define OMAP_UART2_BASE		0x4806c000
 #define OMAP_UART3_BASE		0x49020000
+#define OMAP_MAX_NR_PORTS	3
+#elif defined(CONFIG_ARCH_OMAP4)
+/* OMAP4 serial ports */
+#define OMAP_UART1_BASE		0x4806a000
+#define OMAP_UART2_BASE		0x4806c000
+#define OMAP_UART3_BASE		0x48020000
+#define OMAP_UART4_BASE		0x4806e000
+#define OMAP_MAX_NR_PORTS	4
 #endif
 
-#define OMAP_MAX_NR_PORTS	3
 #define OMAP1510_BASE_BAUD	(12000000/16)
 #define OMAP16XX_BASE_BAUD	(48000000/16)
 #define OMAP24XX_BASE_BAUD	(48000000/16)

arch/arm/plat-omap/io.c

+/*
+ * Common io.c file
+ * This file is created by Russell King <rmk+kernel@arm.linux.org.uk>
+ *
+ * Copyright (C) 2009 Texas Instruments
+ * Added OMAP4 support - Santosh Shilimkar <santosh.shilimkar@ti.com>
+ *
+ * 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/module.h>
 #include <linux/io.h>
 #include <linux/mm.h>
@@ -7,6 +18,7 @@
 #include <mach/omap16xx.h>
 #include <mach/omap24xx.h>
 #include <mach/omap34xx.h>
+#include <mach/omap44xx.h>
 
 #define BETWEEN(p,st,sz)	((p) >= (st) && (p) < ((st) + (sz)))
 #define XLATE(p,pst,vst)	((void __iomem *)((p) - (pst) + (vst)))
@@ -92,7 +104,22 @@ void __iomem *omap_ioremap(unsigned long p, size_t size, unsigned int type)
 			return XLATE(p, L4_EMU_34XX_PHYS, L4_EMU_34XX_VIRT);
 	}
 #endif
-
+#ifdef CONFIG_ARCH_OMAP4
+	if (cpu_is_omap44xx()) {
+		if (BETWEEN(p, L3_44XX_PHYS, L3_44XX_SIZE))
+			return XLATE(p, L3_44XX_PHYS, L3_44XX_VIRT);
+		if (BETWEEN(p, L4_44XX_PHYS, L4_44XX_SIZE))
+			return XLATE(p, L4_44XX_PHYS, L4_44XX_VIRT);
+		if (BETWEEN(p, L4_WK_44XX_PHYS, L4_WK_44XX_SIZE))
+			return XLATE(p, L4_WK_44XX_PHYS, L4_WK_44XX_VIRT);
+		if (BETWEEN(p, OMAP44XX_GPMC_PHYS, OMAP44XX_GPMC_SIZE))
+			return XLATE(p, OMAP44XX_GPMC_PHYS, OMAP44XX_GPMC_VIRT);
+		if (BETWEEN(p, L4_PER_44XX_PHYS, L4_PER_44XX_SIZE))
+			return XLATE(p, L4_PER_44XX_PHYS, L4_PER_44XX_VIRT);
+		if (BETWEEN(p, L4_EMU_44XX_PHYS, L4_EMU_44XX_SIZE))
+			return XLATE(p, L4_EMU_44XX_PHYS, L4_EMU_44XX_VIRT);
+	}
+#endif
 	return __arm_ioremap(p, size, type);
 }
 EXPORT_SYMBOL(omap_ioremap);

arch/arm/plat-omap/mux.c

@@ -54,6 +54,9 @@ int __init_or_module omap_cfg_reg(const unsigned long index)
 {
 	struct pin_config *reg;
 
+	if (cpu_is_omap44xx())
+		return 0;
+
 	if (mux_cfg == NULL) {
 		printk(KERN_ERR "Pin mux table not initialized\n");
 		return -ENODEV;

arch/arm/plat-omap/sram.c

@@ -6,6 +6,9 @@
  * Copyright (C) 2005 Nokia Corporation
  * Written by Tony Lindgren <tony@atomide.com>
  *
+ * Copyright (C) 2009 Texas Instruments
+ * Added OMAP4 support - Santosh Shilimkar <santosh.shilimkar@ti.com>
+ *
  * 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.
@@ -44,6 +47,8 @@
 #define OMAP3_SRAM_VA           0xd7000000
 #define OMAP3_SRAM_PUB_PA       0x40208000
 #define OMAP3_SRAM_PUB_VA       0xd7008000
+#define OMAP4_SRAM_PA		0x40200000		/*0x402f0000*/
+#define OMAP4_SRAM_VA		0xd7000000		/*0xd70f0000*/
 
 #if defined(CONFIG_ARCH_OMAP24XX) || defined(CONFIG_ARCH_OMAP34XX)
 #define SRAM_BOOTLOADER_SZ	0x00
@@ -87,6 +92,10 @@ static int is_sram_locked(void)
 {
 	int type = 0;
 
+	if (cpu_is_omap44xx())
+		/* Not yet supported */
+		return 0;
+
 	if (cpu_is_omap242x())
 		type = omap_rev() & OMAP2_DEVICETYPE_MASK;
 
@@ -135,6 +144,10 @@ void __init omap_detect_sram(void)
 				omap_sram_base = OMAP3_SRAM_VA;
 				omap_sram_start = OMAP3_SRAM_PA;
 				omap_sram_size = 0x10000; /* 64K */
+			} else if (cpu_is_omap44xx()) {
+				omap_sram_base = OMAP4_SRAM_VA;
+				omap_sram_start = OMAP4_SRAM_PA;
+				omap_sram_size = 0x8000; /* 32K */
 			} else {
 				omap_sram_base = OMAP2_SRAM_VA;
 				omap_sram_start = OMAP2_SRAM_PA;
@@ -212,6 +225,12 @@ void __init omap_map_sram(void)
 		omap_sram_io_desc[0].type = MT_MEMORY_NONCACHED;
 	}
 
+	if (cpu_is_omap44xx()) {
+		omap_sram_io_desc[0].virtual = OMAP4_SRAM_VA;
+		base = OMAP4_SRAM_PA;
+		base = ROUND_DOWN(base, PAGE_SIZE);
+		omap_sram_io_desc[0].pfn = __phys_to_pfn(base);
+	}
 	omap_sram_io_desc[0].length = 1024 * 1024;	/* Use section desc */
 	iotable_init(omap_sram_io_desc, ARRAY_SIZE(omap_sram_io_desc));
 
@@ -401,6 +420,8 @@ int __init omap_sram_init(void)
 		omap243x_sram_init();
 	else if (cpu_is_omap34xx())
 		omap34xx_sram_init();
+	else if (cpu_is_omap44xx())
+		omap34xx_sram_init(); /* FIXME: */
 
 	return 0;
 }