[net-next-2.6.git] / arch / arm / mach-s5pc100 / cpu.c

/* linux/arch/arm/mach-s5pc100/cpu.c
 *
 * Copyright 2009 Samsung Electronics Co.
 *	Byungho Min <bhmin@samsung.com>
 *
 * Based on mach-s3c6410/cpu.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/types.h>
#include <linux/interrupt.h>
#include <linux/list.h>
#include <linux/timer.h>
#include <linux/init.h>
#include <linux/clk.h>
#include <linux/io.h>
#include <linux/sysdev.h>
#include <linux/serial_core.h>
#include <linux/platform_device.h>
#include <linux/sched.h>

#include <asm/mach/arch.h>
#include <asm/mach/map.h>
#include <asm/mach/irq.h>

#include <asm/proc-fns.h>

#include <mach/hardware.h>
#include <mach/map.h>
#include <asm/irq.h>

#include <plat/regs-serial.h>
#include <mach/regs-clock.h>

#include <plat/cpu.h>
#include <plat/devs.h>
#include <plat/clock.h>
#include <plat/ata-core.h>
#include <plat/iic-core.h>
#include <plat/sdhci.h>
#include <plat/adc-core.h>
#include <plat/onenand-core.h>
#include <plat/fb-core.h>

#include <plat/s5pc100.h>

/* Initial IO mappings */

static struct map_desc s5pc100_iodesc[] __initdata = {
	{
		.virtual	= (unsigned long)S5P_VA_SYSTIMER,
		.pfn		= __phys_to_pfn(S5PC100_PA_SYSTIMER),
		.length		= SZ_16K,
		.type		= MT_DEVICE,
	}, {
		.virtual	= (unsigned long)VA_VIC2,
		.pfn		= __phys_to_pfn(S5P_PA_VIC2),
		.length		= SZ_16K,
		.type		= MT_DEVICE,
	}, {
		.virtual	= (unsigned long)S5PC100_VA_OTHERS,
		.pfn		= __phys_to_pfn(S5PC100_PA_OTHERS),
		.length		= SZ_4K,
		.type		= MT_DEVICE,
	}
};

static void s5pc100_idle(void)
{
	if (!need_resched())
		cpu_do_idle();

	local_irq_enable();
}

/* s5pc100_map_io
 *
 * register the standard cpu IO areas
*/

void __init s5pc100_map_io(void)
{
	iotable_init(s5pc100_iodesc, ARRAY_SIZE(s5pc100_iodesc));

	/* initialise device information early */
	s5pc100_default_sdhci0();
	s5pc100_default_sdhci1();
	s5pc100_default_sdhci2();

	s3c_adc_setname("s3c64xx-adc");

	/* the i2c devices are directly compatible with s3c2440 */
	s3c_i2c0_setname("s3c2440-i2c");
	s3c_i2c1_setname("s3c2440-i2c");

	s3c_onenand_setname("s5pc100-onenand");
	s3c_fb_setname("s5pc100-fb");
	s3c_cfcon_setname("s5pc100-pata");
}

void __init s5pc100_init_clocks(int xtal)
{
	printk(KERN_DEBUG "%s: initializing clocks\n", __func__);

	s3c24xx_register_baseclocks(xtal);
	s5p_register_clocks(xtal);
	s5pc100_register_clocks();
	s5pc100_setup_clocks();
}

void __init s5pc100_init_irq(void)
{
	u32 vic[] = {~0, ~0, ~0};

	/* VIC0, VIC1, and VIC2 are fully populated. */
	s5p_init_irq(vic, ARRAY_SIZE(vic));
}

static struct sysdev_class s5pc100_sysclass = {
	.name	= "s5pc100-core",
};

static struct sys_device s5pc100_sysdev = {
	.cls	= &s5pc100_sysclass,
};

static int __init s5pc100_core_init(void)
{
	return sysdev_class_register(&s5pc100_sysclass);
}

core_initcall(s5pc100_core_init);

int __init s5pc100_init(void)
{
	printk(KERN_INFO "S5PC100: Initializing architecture\n");

	/* set idle function */
	pm_idle = s5pc100_idle;

	return sysdev_register(&s5pc100_sysdev);
}
Commit	Line	Data
8acd1ade BM	1	/* linux/arch/arm/mach-s5pc100/cpu.c
	2	*
	3	* Copyright 2009 Samsung Electronics Co.
	4	* Byungho Min <bhmin@samsung.com>
	5	*
	6	* Based on mach-s3c6410/cpu.c
	7	*
	8	* This program is free software; you can redistribute it and/or modify
	9	* it under the terms of the GNU General Public License version 2 as
	10	* published by the Free Software Foundation.
	11	*/
	12
	13	#include <linux/kernel.h>
	14	#include <linux/types.h>
	15	#include <linux/interrupt.h>
	16	#include <linux/list.h>
	17	#include <linux/timer.h>
	18	#include <linux/init.h>
	19	#include <linux/clk.h>
	20	#include <linux/io.h>
	21	#include <linux/sysdev.h>
	22	#include <linux/serial_core.h>
	23	#include <linux/platform_device.h>
4341f9b3	24	#include <linux/sched.h>
8acd1ade BM	25
	26	#include <asm/mach/arch.h>
	27	#include <asm/mach/map.h>
	28	#include <asm/mach/irq.h>
	29
acc84707 MS	30	#include <asm/proc-fns.h>
acc84707 MS	31
8acd1ade BM	32	#include <mach/hardware.h>
	33	#include <mach/map.h>
	34	#include <asm/irq.h>
	35
8acd1ade	36	#include <plat/regs-serial.h>
acc84707	37	#include <mach/regs-clock.h>
8acd1ade BM	38
	39	#include <plat/cpu.h>
	40	#include <plat/devs.h>
	41	#include <plat/clock.h>
66194a74	42	#include <plat/ata-core.h>
8acd1ade	43	#include <plat/iic-core.h>
acc84707	44	#include <plat/sdhci.h>
327b9030	45	#include <plat/adc-core.h>
999304be	46	#include <plat/onenand-core.h>
eb42b044	47	#include <plat/fb-core.h>
999304be	48
8acd1ade BM	49	#include <plat/s5pc100.h>
	50
	51	/* Initial IO mappings */
	52
	53	static struct map_desc s5pc100_iodesc[] __initdata = {
acc84707 MS	54	{
	55	.virtual = (unsigned long)S5P_VA_SYSTIMER,
	56	.pfn = __phys_to_pfn(S5PC100_PA_SYSTIMER),
	57	.length = SZ_16K,
	58	.type = MT_DEVICE,
	59	}, {
	60	.virtual = (unsigned long)VA_VIC2,
45c79433	61	.pfn = __phys_to_pfn(S5P_PA_VIC2),
acc84707 MS	62	.length = SZ_16K,
	63	.type = MT_DEVICE,
	64	}, {
	65	.virtual = (unsigned long)S5PC100_VA_OTHERS,
	66	.pfn = __phys_to_pfn(S5PC100_PA_OTHERS),
	67	.length = SZ_4K,
	68	.type = MT_DEVICE,
	69	}
8acd1ade BM	70	};
8acd1ade BM	71
c3fcf5d1 KP	72	static void s5pc100_idle(void)
c3fcf5d1 KP	73	{
acc84707 MS	74	if (!need_resched())
acc84707 MS	75	cpu_do_idle();
c3fcf5d1	76
acc84707	77	local_irq_enable();
c3fcf5d1 KP	78	}
c3fcf5d1 KP	79
8acd1ade BM	80	/* s5pc100_map_io
	81	*
	82	* register the standard cpu IO areas
	83	*/
	84
	85	void __init s5pc100_map_io(void)
	86	{
	87	iotable_init(s5pc100_iodesc, ARRAY_SIZE(s5pc100_iodesc));
	88
	89	/* initialise device information early */
86cd4f5f KP	90	s5pc100_default_sdhci0();
	91	s5pc100_default_sdhci1();
	92	s5pc100_default_sdhci2();
5eda288f	93
327b9030 NKC	94	s3c_adc_setname("s3c64xx-adc");
327b9030 NKC	95
5eda288f KP	96	/* the i2c devices are directly compatible with s3c2440 */
	97	s3c_i2c0_setname("s3c2440-i2c");
	98	s3c_i2c1_setname("s3c2440-i2c");
999304be MS	99
999304be MS	100	s3c_onenand_setname("s5pc100-onenand");
eb42b044	101	s3c_fb_setname("s5pc100-fb");
66194a74	102	s3c_cfcon_setname("s5pc100-pata");
8acd1ade BM	103	}
	104
	105	void __init s5pc100_init_clocks(int xtal)
	106	{
acc84707 MS	107	printk(KERN_DEBUG "%s: initializing clocks\n", __func__);
acc84707 MS	108
8acd1ade	109	s3c24xx_register_baseclocks(xtal);
acc84707	110	s5p_register_clocks(xtal);
8acd1ade BM	111	s5pc100_register_clocks();
	112	s5pc100_setup_clocks();
	113	}
	114
	115	void __init s5pc100_init_irq(void)
	116	{
acc84707	117	u32 vic[] = {~0, ~0, ~0};
8acd1ade BM	118
8acd1ade BM	119	/* VIC0, VIC1, and VIC2 are fully populated. */
acc84707	120	s5p_init_irq(vic, ARRAY_SIZE(vic));
8acd1ade BM	121	}
8acd1ade BM	122
acc84707	123	static struct sysdev_class s5pc100_sysclass = {
8acd1ade BM	124	.name = "s5pc100-core",
	125	};
	126
	127	static struct sys_device s5pc100_sysdev = {
	128	.cls = &s5pc100_sysclass,
	129	};
	130
	131	static int __init s5pc100_core_init(void)
	132	{
	133	return sysdev_class_register(&s5pc100_sysclass);
	134	}
	135
	136	core_initcall(s5pc100_core_init);
	137
	138	int __init s5pc100_init(void)
	139	{
acc84707	140	printk(KERN_INFO "S5PC100: Initializing architecture\n");
8acd1ade	141
acc84707 MS	142	/* set idle function */
acc84707 MS	143	pm_idle = s5pc100_idle;
c3fcf5d1	144
8acd1ade BM	145	return sysdev_register(&s5pc100_sysdev);
8acd1ade BM	146	}