| /* 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 <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/map.h> |
| #include <mach/regs-clock.h> |
| |
| #include <plat/cpu.h> |
| #include <plat/devs.h> |
| #include <plat/clock.h> |
| #include <plat/fb-core.h> |
| #include <plat/s5pv210.h> |
| #include <plat/adc-core.h> |
| #include <plat/ata-core.h> |
| #include <plat/fimc-core.h> |
| #include <plat/iic-core.h> |
| #include <plat/keypad-core.h> |
| #include <plat/sdhci.h> |
| #include <plat/reset.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_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_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(); |
| } |
| |
| static void s5pv210_sw_reset(void) |
| { |
| __raw_writel(0x1, S5P_SWRESET); |
| } |
| |
| /* s5pv210_map_io |
| * |
| * register the standard cpu IO areas |
| */ |
| |
| void __init s5pv210_map_io(void) |
| { |
| iotable_init(s5pv210_iodesc, ARRAY_SIZE(s5pv210_iodesc)); |
| |
| /* initialise device information early */ |
| s5pv210_default_sdhci0(); |
| s5pv210_default_sdhci1(); |
| s5pv210_default_sdhci2(); |
| s5pv210_default_sdhci3(); |
| |
| s3c_adc_setname("s3c64xx-adc"); |
| |
| 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"); |
| } |
| |
| 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); |
| } |