/* 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, }, { .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_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); }