/* 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 <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/iic-core.h> #include <plat/sdhci.h> #include <plat/onenand-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(S5PC100_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(); /* the i2c devices are directly compatible with s3c2440 */ s3c_i2c0_setname("s3c2440-i2c"); s3c_i2c1_setname("s3c2440-i2c"); s3c_onenand_setname("s5pc100-onenand"); } 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); }