1/* linux/arch/arm/mach-s3c2443/s3c2443.c 2 * 3 * Copyright (c) 2007 Simtec Electronics 4 * Ben Dooks <ben@simtec.co.uk> 5 * 6 * Samsung S3C2443 Mobile CPU support 7 * 8 * This program is free software; you can redistribute it and/or modify 9 * it under the terms of the GNU General Public License version 2 as 10 * published by the Free Software Foundation. 11*/ 12 13#include <linux/kernel.h> 14#include <linux/types.h> 15#include <linux/interrupt.h> 16#include <linux/list.h> 17#include <linux/timer.h> 18#include <linux/init.h> 19#include <linux/platform_device.h> 20#include <linux/serial_core.h> 21#include <linux/sysdev.h> 22#include <linux/clk.h> 23#include <linux/io.h> 24 25#include <asm/mach/arch.h> 26#include <asm/mach/map.h> 27#include <asm/mach/irq.h> 28 29#include <mach/hardware.h> 30#include <asm/irq.h> 31 32#include <mach/regs-s3c2443-clock.h> 33#include <mach/reset.h> 34 35#include <plat/s3c2443.h> 36#include <plat/devs.h> 37#include <plat/cpu.h> 38#include <plat/fb-core.h> 39 40static struct map_desc s3c2443_iodesc[] __initdata = { 41 IODESC_ENT(WATCHDOG), 42 IODESC_ENT(CLKPWR), 43 IODESC_ENT(TIMER), 44}; 45 46struct sysdev_class s3c2443_sysclass = { 47 .name = "s3c2443-core", 48}; 49 50static struct sys_device s3c2443_sysdev = { 51 .cls = &s3c2443_sysclass, 52}; 53 54static void s3c2443_hard_reset(void) 55{ 56 __raw_writel(S3C2443_SWRST_RESET, S3C2443_SWRST); 57} 58 59int __init s3c2443_init(void) 60{ 61 printk("S3C2443: Initialising architecture\n"); 62 63 s3c24xx_reset_hook = s3c2443_hard_reset; 64 65 s3c_device_nand.name = "s3c2412-nand"; 66 s3c_fb_setname("s3c2443-fb"); 67 68 /* change WDT IRQ number */ 69 s3c_device_wdt.resource[1].start = IRQ_S3C2443_WDT; 70 s3c_device_wdt.resource[1].end = IRQ_S3C2443_WDT; 71 72 return sysdev_register(&s3c2443_sysdev); 73} 74 75void __init s3c2443_init_uarts(struct s3c2410_uartcfg *cfg, int no) 76{ 77 s3c24xx_init_uartdevs("s3c2440-uart", s3c2410_uart_resources, cfg, no); 78} 79 80/* s3c2443_map_io 81 * 82 * register the standard cpu IO areas, and any passed in from the 83 * machine specific initialisation. 84 */ 85 86void __init s3c2443_map_io(void) 87{ 88 iotable_init(s3c2443_iodesc, ARRAY_SIZE(s3c2443_iodesc)); 89} 90 91/* need to register class before we actually register the device, and 92 * we also need to ensure that it has been initialised before any of the 93 * drivers even try to use it (even if not on an s3c2443 based system) 94 * as a driver which may support both 2443 and 2440 may try and use it. 95*/ 96 97static int __init s3c2443_core_init(void) 98{ 99 return sysdev_class_register(&s3c2443_sysclass); 100} 101 102core_initcall(s3c2443_core_init); 103