[deliverable/linux.git] / arch / arm / mach-s5pv210 / common.c

/*
 * Copyright (c) 2009-2011 Samsung Electronics Co., Ltd.
 *		http://www.samsung.com
 *
 * Common Codes for S5PV210
 *
 * 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 <linux/sched.h>
#include <linux/dma-mapping.h>
#include <linux/serial_core.h>

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

#include <mach/map.h>
#include <mach/regs-clock.h>

#include <plat/cpu.h>
#include <plat/clock.h>
#include <plat/devs.h>
#include <plat/reset.h>
#include <plat/sdhci.h>
#include <plat/adc-core.h>
#include <plat/ata-core.h>
#include <plat/fb-core.h>
#include <plat/fimc-core.h>
#include <plat/iic-core.h>
#include <plat/keypad-core.h>
#include <plat/tv-core.h>
#include <plat/regs-serial.h>

#include "common.h"

static const char name_s5pv210[] = "S5PV210/S5PC110";

static struct cpu_table cpu_ids[] __initdata = {
	{
		.idcode		= S5PV210_CPU_ID,
		.idmask		= S5PV210_CPU_MASK,
		.map_io		= s5pv210_map_io,
		.init_clocks	= s5pv210_init_clocks,
		.init_uarts	= s5pv210_init_uarts,
		.init		= s5pv210_init,
		.name		= name_s5pv210,
	},
};

/* Initial IO mappings */

static struct map_desc s5pv210_iodesc[] __initdata = {
	{
		.virtual	= (unsigned long)S5P_VA_CHIPID,
		.pfn		= __phys_to_pfn(S5PV210_PA_CHIPID),
		.length		= SZ_4K,
		.type		= MT_DEVICE,
	}, {
		.virtual	= (unsigned long)S3C_VA_SYS,
		.pfn		= __phys_to_pfn(S5PV210_PA_SYSCON),
		.length		= SZ_64K,
		.type		= MT_DEVICE,
	}, {
		.virtual	= (unsigned long)S3C_VA_TIMER,
		.pfn		= __phys_to_pfn(S5PV210_PA_TIMER),
		.length		= SZ_16K,
		.type		= MT_DEVICE,
	}, {
		.virtual	= (unsigned long)S3C_VA_WATCHDOG,
		.pfn		= __phys_to_pfn(S5PV210_PA_WATCHDOG),
		.length		= SZ_4K,
		.type		= MT_DEVICE,
	}, {
		.virtual	= (unsigned long)S5P_VA_SROMC,
		.pfn		= __phys_to_pfn(S5PV210_PA_SROMC),
		.length		= SZ_4K,
		.type		= MT_DEVICE,
	}, {
		.virtual	= (unsigned long)S5P_VA_SYSTIMER,
		.pfn		= __phys_to_pfn(S5PV210_PA_SYSTIMER),
		.length		= SZ_4K,
		.type		= MT_DEVICE,
	}, {
		.virtual	= (unsigned long)S5P_VA_GPIO,
		.pfn		= __phys_to_pfn(S5PV210_PA_GPIO),
		.length		= SZ_4K,
		.type		= MT_DEVICE,
	}, {
		.virtual	= (unsigned long)VA_VIC0,
		.pfn		= __phys_to_pfn(S5PV210_PA_VIC0),
		.length		= SZ_16K,
		.type		= MT_DEVICE,
	}, {
		.virtual	= (unsigned long)VA_VIC1,
		.pfn		= __phys_to_pfn(S5PV210_PA_VIC1),
		.length		= SZ_16K,
		.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)S3C_VA_UART,
		.pfn		= __phys_to_pfn(S3C_PA_UART),
		.length		= SZ_512K,
		.type		= MT_DEVICE,
	}, {
		.virtual	= (unsigned long)S5P_VA_DMC0,
		.pfn		= __phys_to_pfn(S5PV210_PA_DMC0),
		.length		= SZ_4K,
		.type		= MT_DEVICE,
	}, {
		.virtual	= (unsigned long)S5P_VA_DMC1,
		.pfn		= __phys_to_pfn(S5PV210_PA_DMC1),
		.length		= SZ_4K,
		.type		= MT_DEVICE,
	}, {
		.virtual	= (unsigned long)S3C_VA_USB_HSPHY,
		.pfn		=__phys_to_pfn(S5PV210_PA_HSPHY),
		.length		= SZ_4K,
		.type		= MT_DEVICE,
	}
};

static void s5pv210_idle(void)
{
	if (!need_resched())
		cpu_do_idle();

	local_irq_enable();
}

static void s5pv210_sw_reset(void)
{
	__raw_writel(0x1, S5P_SWRESET);
}

/*
 * s5pv210_map_io
 *
 * register the standard cpu IO areas
 */

void __init s5pv210_init_io(struct map_desc *mach_desc, int size)
{
	/* initialize the io descriptors we need for initialization */
	iotable_init(s5pv210_iodesc, ARRAY_SIZE(s5pv210_iodesc));
	if (mach_desc)
		iotable_init(mach_desc, size);

	/* detect cpu id and rev. */
	s5p_init_cpu(S5P_VA_CHIPID);

	s3c_init_cpu(samsung_cpu_id, cpu_ids, ARRAY_SIZE(cpu_ids));
}

void __init s5pv210_map_io(void)
{
	init_consistent_dma_size(14 << 20);

	/* initialise device information early */
	s5pv210_default_sdhci0();
	s5pv210_default_sdhci1();
	s5pv210_default_sdhci2();
	s5pv210_default_sdhci3();

	s3c_adc_setname("samsung-adc-v3");

	s3c_cfcon_setname("s5pv210-pata");

	s3c_fimc_setname(0, "s5pv210-fimc");
	s3c_fimc_setname(1, "s5pv210-fimc");
	s3c_fimc_setname(2, "s5pv210-fimc");

	/* the i2c devices are directly compatible with s3c2440 */
	s3c_i2c0_setname("s3c2440-i2c");
	s3c_i2c1_setname("s3c2440-i2c");
	s3c_i2c2_setname("s3c2440-i2c");

	s3c_fb_setname("s5pv210-fb");

	/* Use s5pv210-keypad instead of samsung-keypad */
	samsung_keypad_setname("s5pv210-keypad");

	/* setup TV devices */
	s5p_hdmi_setname("s5pv210-hdmi");
}

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));
}

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;

	/* set sw_reset function */
	s5p_reset_hook = s5pv210_sw_reset;

	return sysdev_register(&s5pv210_sysdev);
}

static struct s3c24xx_uart_clksrc s5pv210_serial_clocks[] = {
	[0] = {
		.name		= "pclk",
		.divisor	= 1,
		.min_baud	= 0,
		.max_baud	= 0,
	},
};

/* uart registration process */

void __init s5pv210_init_uarts(struct s3c2410_uartcfg *cfg, int no)
{
	struct s3c2410_uartcfg *tcfg = cfg;
	u32 ucnt;

	for (ucnt = 0; ucnt < no; ucnt++, tcfg++) {
		if (!tcfg->clocks) {
			tcfg->clocks = s5pv210_serial_clocks;
			tcfg->clocks_size = ARRAY_SIZE(s5pv210_serial_clocks);
		}
	}

	s3c24xx_init_uartdevs("s5pv210-uart", s5p_uart_resources, cfg, no);
}
Commit	Line	Data
3fa754c2 KK	1	/*
3fa754c2 KK	2	* Copyright (c) 2009-2011 Samsung Electronics Co., Ltd.
19a2c065	3	* http://www.samsung.com
939d28aa	4	*
3fa754c2 KK	5	* Common Codes for S5PV210
3fa754c2 KK	6	*
939d28aa KK	7	* This program is free software; you can redistribute it and/or modify
	8	* it under the terms of the GNU General Public License version 2 as
	9	* published by the Free Software Foundation.
3fa754c2	10	*/
939d28aa KK	11
	12	#include <linux/kernel.h>
	13	#include <linux/types.h>
	14	#include <linux/interrupt.h>
	15	#include <linux/list.h>
	16	#include <linux/timer.h>
	17	#include <linux/init.h>
	18	#include <linux/module.h>
	19	#include <linux/clk.h>
	20	#include <linux/io.h>
	21	#include <linux/sysdev.h>
	22	#include <linux/platform_device.h>
4341f9b3	23	#include <linux/sched.h>
a06a58ab	24	#include <linux/dma-mapping.h>
3fa754c2	25	#include <linux/serial_core.h>
939d28aa	26
3fa754c2	27	#include <asm/proc-fns.h>
939d28aa KK	28	#include <asm/mach/arch.h>
	29	#include <asm/mach/map.h>
	30	#include <asm/mach/irq.h>
	31
939d28aa KK	32	#include <mach/map.h>
	33	#include <mach/regs-clock.h>
	34
	35	#include <plat/cpu.h>
939d28aa	36	#include <plat/clock.h>
3fa754c2 KK	37	#include <plat/devs.h>
	38	#include <plat/reset.h>
	39	#include <plat/sdhci.h>
50e9769a	40	#include <plat/adc-core.h>
4b9a5ad5	41	#include <plat/ata-core.h>
3fa754c2	42	#include <plat/fb-core.h>
33c14ff8	43	#include <plat/fimc-core.h>
c8d833bf	44	#include <plat/iic-core.h>
e7d0628c	45	#include <plat/keypad-core.h>
fbf05563	46	#include <plat/tv-core.h>
3fa754c2 KK	47	#include <plat/regs-serial.h>
	48
	49	#include "common.h"
	50
	51	static const char name_s5pv210[] = "S5PV210/S5PC110";
	52
	53	static struct cpu_table cpu_ids[] __initdata = {
	54	{
	55	.idcode = S5PV210_CPU_ID,
	56	.idmask = S5PV210_CPU_MASK,
	57	.map_io = s5pv210_map_io,
	58	.init_clocks = s5pv210_init_clocks,
	59	.init_uarts = s5pv210_init_uarts,
	60	.init = s5pv210_init,
	61	.name = name_s5pv210,
	62	},
	63	};
939d28aa KK	64
	65	/* Initial IO mappings */
	66
	67	static struct map_desc s5pv210_iodesc[] __initdata = {
	68	{
3fa754c2 KK	69	.virtual = (unsigned long)S5P_VA_CHIPID,
	70	.pfn = __phys_to_pfn(S5PV210_PA_CHIPID),
	71	.length = SZ_4K,
	72	.type = MT_DEVICE,
	73	}, {
	74	.virtual = (unsigned long)S3C_VA_SYS,
	75	.pfn = __phys_to_pfn(S5PV210_PA_SYSCON),
	76	.length = SZ_64K,
	77	.type = MT_DEVICE,
	78	}, {
	79	.virtual = (unsigned long)S3C_VA_TIMER,
	80	.pfn = __phys_to_pfn(S5PV210_PA_TIMER),
	81	.length = SZ_16K,
	82	.type = MT_DEVICE,
	83	}, {
	84	.virtual = (unsigned long)S3C_VA_WATCHDOG,
	85	.pfn = __phys_to_pfn(S5PV210_PA_WATCHDOG),
	86	.length = SZ_4K,
	87	.type = MT_DEVICE,
	88	}, {
	89	.virtual = (unsigned long)S5P_VA_SROMC,
	90	.pfn = __phys_to_pfn(S5PV210_PA_SROMC),
	91	.length = SZ_4K,
	92	.type = MT_DEVICE,
	93	}, {
939d28aa KK	94	.virtual = (unsigned long)S5P_VA_SYSTIMER,
939d28aa KK	95	.pfn = __phys_to_pfn(S5PV210_PA_SYSTIMER),
a203a13a	96	.length = SZ_4K,
939d28aa	97	.type = MT_DEVICE,
19a2c065 KK	98	}, {
	99	.virtual = (unsigned long)S5P_VA_GPIO,
	100	.pfn = __phys_to_pfn(S5PV210_PA_GPIO),
	101	.length = SZ_4K,
	102	.type = MT_DEVICE,
	103	}, {
	104	.virtual = (unsigned long)VA_VIC0,
	105	.pfn = __phys_to_pfn(S5PV210_PA_VIC0),
	106	.length = SZ_16K,
	107	.type = MT_DEVICE,
	108	}, {
	109	.virtual = (unsigned long)VA_VIC1,
	110	.pfn = __phys_to_pfn(S5PV210_PA_VIC1),
	111	.length = SZ_16K,
	112	.type = MT_DEVICE,
939d28aa KK	113	}, {
	114	.virtual = (unsigned long)VA_VIC2,
	115	.pfn = __phys_to_pfn(S5PV210_PA_VIC2),
	116	.length = SZ_16K,
	117	.type = MT_DEVICE,
	118	}, {
	119	.virtual = (unsigned long)VA_VIC3,
	120	.pfn = __phys_to_pfn(S5PV210_PA_VIC3),
	121	.length = SZ_16K,
	122	.type = MT_DEVICE,
19a2c065 KK	123	}, {
	124	.virtual = (unsigned long)S3C_VA_UART,
	125	.pfn = __phys_to_pfn(S3C_PA_UART),
	126	.length = SZ_512K,
	127	.type = MT_DEVICE,
1d826d14 JL	128	}, {
	129	.virtual = (unsigned long)S5P_VA_DMC0,
	130	.pfn = __phys_to_pfn(S5PV210_PA_DMC0),
	131	.length = SZ_4K,
	132	.type = MT_DEVICE,
	133	}, {
	134	.virtual = (unsigned long)S5P_VA_DMC1,
	135	.pfn = __phys_to_pfn(S5PV210_PA_DMC1),
	136	.length = SZ_4K,
	137	.type = MT_DEVICE,
ca1931ca MS	138	}, {
	139	.virtual = (unsigned long)S3C_VA_USB_HSPHY,
	140	.pfn =__phys_to_pfn(S5PV210_PA_HSPHY),
	141	.length = SZ_4K,
	142	.type = MT_DEVICE,
939d28aa KK	143	}
	144	};
	145
	146	static void s5pv210_idle(void)
	147	{
	148	if (!need_resched())
	149	cpu_do_idle();
	150
	151	local_irq_enable();
	152	}
	153
4550ee20 JL	154	static void s5pv210_sw_reset(void)
	155	{
	156	__raw_writel(0x1, S5P_SWRESET);
	157	}
	158
3fa754c2 KK	159	/*
3fa754c2 KK	160	* s5pv210_map_io
939d28aa KK	161	*
939d28aa KK	162	* register the standard cpu IO areas
3fa754c2	163	*/
939d28aa	164
3fa754c2	165	void __init s5pv210_init_io(struct map_desc *mach_desc, int size)
939d28aa	166	{
3fa754c2	167	/* initialize the io descriptors we need for initialization */
939d28aa	168	iotable_init(s5pv210_iodesc, ARRAY_SIZE(s5pv210_iodesc));
3fa754c2 KK	169	if (mach_desc)
	170	iotable_init(mach_desc, size);
	171
	172	/* detect cpu id and rev. */
	173	s5p_init_cpu(S5P_VA_CHIPID);
	174
	175	s3c_init_cpu(samsung_cpu_id, cpu_ids, ARRAY_SIZE(cpu_ids));
	176	}
	177
	178	void __init s5pv210_map_io(void)
	179	{
a06a58ab	180	init_consistent_dma_size(14 << 20);
c8d833bf	181
e6f66a9f MS	182	/* initialise device information early */
	183	s5pv210_default_sdhci0();
	184	s5pv210_default_sdhci1();
	185	s5pv210_default_sdhci2();
976a62f2	186	s5pv210_default_sdhci3();
e6f66a9f	187
a0428f3a	188	s3c_adc_setname("samsung-adc-v3");
50e9769a	189
4b9a5ad5 AK	190	s3c_cfcon_setname("s5pv210-pata");
4b9a5ad5 AK	191
d61bd77f KK	192	s3c_fimc_setname(0, "s5pv210-fimc");
	193	s3c_fimc_setname(1, "s5pv210-fimc");
	194	s3c_fimc_setname(2, "s5pv210-fimc");
e6f66a9f	195
c8d833bf MS	196	/* the i2c devices are directly compatible with s3c2440 */
	197	s3c_i2c0_setname("s3c2440-i2c");
	198	s3c_i2c1_setname("s3c2440-i2c");
	199	s3c_i2c2_setname("s3c2440-i2c");
eb42b044 PO	200
eb42b044 PO	201	s3c_fb_setname("s5pv210-fb");
636d1742	202
e7d0628c JS	203	/* Use s5pv210-keypad instead of samsung-keypad */
e7d0628c JS	204	samsung_keypad_setname("s5pv210-keypad");
fbf05563 TS	205
	206	/* setup TV devices */
	207	s5p_hdmi_setname("s5pv210-hdmi");
939d28aa KK	208	}
	209
	210	void __init s5pv210_init_clocks(int xtal)
	211	{
	212	printk(KERN_DEBUG "%s: initializing clocks\n", __func__);
	213
	214	s3c24xx_register_baseclocks(xtal);
	215	s5p_register_clocks(xtal);
	216	s5pv210_register_clocks();
	217	s5pv210_setup_clocks();
	218	}
	219
	220	void __init s5pv210_init_irq(void)
	221	{
	222	u32 vic[4]; /* S5PV210 supports 4 VIC */
	223
	224	/* All the VICs are fully populated. */
	225	vic[0] = ~0;
	226	vic[1] = ~0;
	227	vic[2] = ~0;
	228	vic[3] = ~0;
	229
	230	s5p_init_irq(vic, ARRAY_SIZE(vic));
	231	}
	232
0ad73cef	233	struct sysdev_class s5pv210_sysclass = {
939d28aa KK	234	.name = "s5pv210-core",
	235	};
	236
	237	static struct sys_device s5pv210_sysdev = {
	238	.cls = &s5pv210_sysclass,
	239	};
	240
	241	static int __init s5pv210_core_init(void)
	242	{
	243	return sysdev_class_register(&s5pv210_sysclass);
	244	}
939d28aa KK	245	core_initcall(s5pv210_core_init);
	246
	247	int __init s5pv210_init(void)
	248	{
	249	printk(KERN_INFO "S5PV210: Initializing architecture\n");
	250
	251	/* set idle function */
	252	pm_idle = s5pv210_idle;
	253
4550ee20 JL	254	/* set sw_reset function */
	255	s5p_reset_hook = s5pv210_sw_reset;
	256
939d28aa KK	257	return sysdev_register(&s5pv210_sysdev);
939d28aa KK	258	}
3fa754c2 KK	259
	260	static struct s3c24xx_uart_clksrc s5pv210_serial_clocks[] = {
	261	[0] = {
	262	.name = "pclk",
	263	.divisor = 1,
	264	.min_baud = 0,
	265	.max_baud = 0,
	266	},
	267	};
	268
	269	/* uart registration process */
	270
	271	void __init s5pv210_init_uarts(struct s3c2410_uartcfg *cfg, int no)
	272	{
	273	struct s3c2410_uartcfg *tcfg = cfg;
	274	u32 ucnt;
	275
	276	for (ucnt = 0; ucnt < no; ucnt++, tcfg++) {
	277	if (!tcfg->clocks) {
	278	tcfg->clocks = s5pv210_serial_clocks;
	279	tcfg->clocks_size = ARRAY_SIZE(s5pv210_serial_clocks);
	280	}
	281	}
	282
	283	s3c24xx_init_uartdevs("s5pv210-uart", s5p_uart_resources, cfg, no);
	284	}