kernel-ark/arch/arm/mach-s5pv210/common.c
Nicolas Pitre 460863ac23 ARM: mach-s5pv210: use standard arch_idle()
This is equivalent and more similar to existing architectures.

Signed-off-by: Nicolas Pitre <nico@linaro.org>
2012-01-20 18:55:07 -05:00

251 lines
5.8 KiB
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/device.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/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,
}
};
void s5pv210_restart(char mode, const char *cmd)
{
__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 bus_type s5pv210_subsys = {
.name = "s5pv210-core",
.dev_name = "s5pv210-core",
};
static struct device s5pv210_dev = {
.bus = &s5pv210_subsys,
};
static int __init s5pv210_core_init(void)
{
return subsys_system_register(&s5pv210_subsys, NULL);
}
core_initcall(s5pv210_core_init);
int __init s5pv210_init(void)
{
printk(KERN_INFO "S5PV210: Initializing architecture\n");
return device_register(&s5pv210_dev);
}
/* uart registration process */
void __init s5pv210_init_uarts(struct s3c2410_uartcfg *cfg, int no)
{
s3c24xx_init_uartdevs("s5pv210-uart", s5p_uart_resources, cfg, no);
}