ARM: S5PV210: Add Samsung S5PV210 CPU support

# arch/arm/mach-s5pv210/Kconfig

#

# Copyright (c) 2010 Samsung Electronics Co., Ltd.

#		http://www.samsung.com/

#

# Licensed under GPLv2

# Configuration options for the S5PV210/S5PC110

if ARCH_S5PV210

config CPU_S5PV210

	bool

	select PLAT_S5P

	help

	  Enable S5PV210 CPU support

choice

	prompt "Select machine type"

	depends on ARCH_S5PV210

	default MACH_SMDKV210

config MACH_SMDKV210

	bool "SMDKV210"

	select CPU_S5PV210

	select ARCH_SPARSEMEM_ENABLE

	help

	  Machine support for Samsung SMDKV210

config MACH_SMDKC110

	bool "SMDKC110"

	select CPU_S5PV210

	select ARCH_SPARSEMEM_ENABLE

	help

	  Machine support for Samsung SMDKC110

	  S5PC110(MCP) is one of package option of S5PV210

endchoice

endif

# arch/arm/mach-s5pv210/Makefile

#

# Copyright (c) 2010 Samsung Electronics Co., Ltd.

# 		http://www.samsung.com/

#

# Licensed under GPLv2

obj-y				:=

obj-m				:=

obj-n				:=

obj-				:=

# Core support for S5PV210 system

obj-$(CONFIG_CPU_S5PV210)	+= cpu.o init.o

# machine support

   zreladdr-y	:= 0x20008000

params_phys-y	:= 0x20000100

/* linux/arch/arm/mach-s5pv210/cpu.c

 *

 * Copyright (c) 2010 Samsung Electronics Co., Ltd.

 *		http://www.samsung.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/kernel.h>

#include <linux/types.h>

#include <linux/interrupt.h>

#include <linux/list.h>

#include <linux/timer.h>

#include <linux/init.h>

#include <linux/module.h>

#include <linux/clk.h>

#include <linux/io.h>

#include <linux/sysdev.h>

#include <linux/platform_device.h>

#include <asm/mach/arch.h>

#include <asm/mach/map.h>

#include <asm/mach/irq.h>

#include <asm/proc-fns.h>

#include <mach/map.h>

#include <mach/regs-clock.h>

#include <plat/cpu.h>

#include <plat/devs.h>

#include <plat/clock.h>

#include <plat/s5pv210.h>

/* Initial IO mappings */

static struct map_desc s5pv210_iodesc[] __initdata = {

	{

		.virtual	= (unsigned long)S5P_VA_SYSTIMER,

		.pfn		= __phys_to_pfn(S5PV210_PA_SYSTIMER),

		.length		= SZ_1M,

		.type		= MT_DEVICE,

	}, {

		.virtual	= (unsigned long)VA_VIC2,

		.pfn		= __phys_to_pfn(S5PV210_PA_VIC2),

		.length		= SZ_16K,

		.type		= MT_DEVICE,

	}, {

		.virtual	= (unsigned long)VA_VIC3,

		.pfn		= __phys_to_pfn(S5PV210_PA_VIC3),

		.length		= SZ_16K,

		.type		= MT_DEVICE,

	}, {

		.virtual	= (unsigned long)S5P_VA_SROMC,

		.pfn		= __phys_to_pfn(S5PV210_PA_SROMC),

		.length		= SZ_4K,

		.type		= MT_DEVICE,

	}

};

static void s5pv210_idle(void)

{

	if (!need_resched())

		cpu_do_idle();

	local_irq_enable();

}

/* s5pv210_map_io

 *

 * register the standard cpu IO areas

*/

void __init s5pv210_map_io(void)

{

	iotable_init(s5pv210_iodesc, ARRAY_SIZE(s5pv210_iodesc));

}

void __init s5pv210_init_clocks(int xtal)

{

	printk(KERN_DEBUG "%s: initializing clocks\n", __func__);

	s3c24xx_register_baseclocks(xtal);

	s5p_register_clocks(xtal);

	s5pv210_register_clocks();

	s5pv210_setup_clocks();

}

void __init s5pv210_init_irq(void)

{

	u32 vic[4];	/* S5PV210 supports 4 VIC */

	/* All the VICs are fully populated. */

	vic[0] = ~0;

	vic[1] = ~0;

	vic[2] = ~0;

	vic[3] = ~0;

	s5p_init_irq(vic, ARRAY_SIZE(vic));

}

static struct sysdev_class s5pv210_sysclass = {

	.name	= "s5pv210-core",

};

static struct sys_device s5pv210_sysdev = {

	.cls	= &s5pv210_sysclass,

};

static int __init s5pv210_core_init(void)

{

	return sysdev_class_register(&s5pv210_sysclass);

}

core_initcall(s5pv210_core_init);

int __init s5pv210_init(void)

{

	printk(KERN_INFO "S5PV210: Initializing architecture\n");

	/* set idle function */

	pm_idle = s5pv210_idle;

	return sysdev_register(&s5pv210_sysdev);

}

/* linux/arch/arm/mach-s5pv210/include/mach/debug-macro.S

 *

 * Copyright (c) 2010 Samsung Electronics Co., Ltd.

 *		http://www.samsung.com/

 *

 * Based on arch/arm/mach-s3c6400/include/mach/debug-macro.S

 *

 * 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.

*/

/* pull in the relevant register and map files. */

#include <mach/map.h>

#include <plat/regs-serial.h>

	/* note, for the boot process to work we have to keep the UART

	 * virtual address aligned to an 1MiB boundary for the L1

	 * mapping the head code makes. We keep the UART virtual address

	 * aligned and add in the offset when we load the value here.

	 */

	.macro addruart, rx

		mrc	p15, 0, \rx, c1, c0

		tst	\rx, #1

		ldreq	\rx, = S3C_PA_UART

		ldrne	\rx, = S3C_VA_UART

#if CONFIG_DEBUG_S3C_UART != 0

		add	\rx, \rx, #(0x400 * CONFIG_DEBUG_S3C_UART)

#endif

	.endm

#define fifo_full fifo_full_s5pv210

#define fifo_level fifo_level_s5pv210

/* include the reset of the code which will do the work, we're only

 * compiling for a single cpu processor type so the default of s3c2440

 * will be fine with us.

 */

#include <plat/debug-macro.S>