Merge branch 'omap4' into for-next

8 files changed, 179 insertions, 6 deletions

diff --git a/arch/arm/mach-omap2/Kconfig b/arch/arm/mach-omap2/Kconfig
index b5c9088..a755eb5 100644
--- a/arch/arm/mach-omap2/Kconfig
+++ b/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
diff --git a/arch/arm/mach-omap2/Makefile b/arch/arm/mach-omap2/Makefile
index c48b12c..3a48f2f 100644
--- a/arch/arm/mach-omap2/Makefile
+++ b/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
 
diff --git a/arch/arm/mach-omap2/board-4430sdp.c b/arch/arm/mach-omap2/board-4430sdp.c
new file mode 100644
index 0000000..57e477b
--- /dev/null
+++ b/arch/arm/mach-omap2/board-4430sdp.c
@@ -0,0 +1,94 @@
+/*
+ * 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
diff --git a/arch/arm/mach-omap2/gpmc.c b/arch/arm/mach-omap2/gpmc.c
index 2249049..f91934b 100644
--- a/arch/arm/mach-omap2/gpmc.c
+++ b/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);
diff --git a/arch/arm/mach-omap2/id.c b/arch/arm/mach-omap2/id.c
index 34b5914..458990e 100644
--- a/arch/arm/mach-omap2/id.c
+++ b/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");
 
 	/*
diff --git a/arch/arm/mach-omap2/io.c b/arch/arm/mach-omap2/io.c
index 916fcd3..32afd94 100644
--- a/arch/arm/mach-omap2/io.c
+++ b/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();
 }
diff --git a/arch/arm/mach-omap2/serial.c b/arch/arm/mach-omap2/serial.c
index fddbc4e..b094c15 100644
--- a/arch/arm/mach-omap2/serial.c
+++ b/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;
diff --git a/arch/arm/mach-omap2/timer-gp.c b/arch/arm/mach-omap2/timer-gp.c
index f36aba1..2ce474a 100644
--- a/arch/arm/mach-omap2/timer-gp.c
+++ b/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);