1/* linux/arch/arm/mach-s3c2416/s3c2416.c 2 * 3 * Copyright (c) 2009 Yauhen Kharuzhy <jekhor@gmail.com>, 4 * as part of OpenInkpot project 5 * Copyright (c) 2009 Promwad Innovation Company 6 * Yauhen Kharuzhy <yauhen.kharuzhy@promwad.com> 7 * 8 * Samsung S3C2416 Mobile CPU support 9 * 10 * This program is free software; you can redistribute it and/or modify 11 * it under the terms of the GNU General Public License as published by 12 * the Free Software Foundation; either version 2 of the License, or 13 * (at your option) any later version. 14 * 15 * This program is distributed in the hope that it will be useful, 16 * but WITHOUT ANY WARRANTY; without even the implied warranty of 17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 18 * GNU General Public License for more details. 19 * 20 * You should have received a copy of the GNU General Public License 21 * along with this program; if not, write to the Free Software 22 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 23*/ 24 25#include <linux/kernel.h> 26#include <linux/types.h> 27#include <linux/interrupt.h> 28#include <linux/list.h> 29#include <linux/timer.h> 30#include <linux/init.h> 31#include <linux/gpio.h> 32#include <linux/platform_device.h> 33#include <linux/serial_core.h> 34#include <linux/sysdev.h> 35#include <linux/clk.h> 36#include <linux/io.h> 37 38#include <asm/mach/arch.h> 39#include <asm/mach/map.h> 40#include <asm/mach/irq.h> 41 42#include <mach/hardware.h> 43#include <asm/proc-fns.h> 44#include <asm/irq.h> 45 46#include <mach/reset.h> 47#include <mach/idle.h> 48#include <mach/regs-s3c2443-clock.h> 49 50#include <plat/gpio-core.h> 51#include <plat/gpio-cfg.h> 52#include <plat/gpio-cfg-helpers.h> 53#include <plat/s3c2416.h> 54#include <plat/devs.h> 55#include <plat/cpu.h> 56 57#include <plat/iic-core.h> 58#include <plat/fb-core.h> 59 60static struct map_desc s3c2416_iodesc[] __initdata = { 61 IODESC_ENT(WATCHDOG), 62 IODESC_ENT(CLKPWR), 63 IODESC_ENT(TIMER), 64}; 65 66struct sysdev_class s3c2416_sysclass = { 67 .name = "s3c2416-core", 68}; 69 70static struct sys_device s3c2416_sysdev = { 71 .cls = &s3c2416_sysclass, 72}; 73 74static void s3c2416_hard_reset(void) 75{ 76 __raw_writel(S3C2443_SWRST_RESET, S3C2443_SWRST); 77} 78 79int __init s3c2416_init(void) 80{ 81 printk(KERN_INFO "S3C2416: Initializing architecture\n"); 82 83 s3c24xx_reset_hook = s3c2416_hard_reset; 84 /* s3c24xx_idle = s3c2416_idle; */ 85 86 /* change WDT IRQ number */ 87 s3c_device_wdt.resource[1].start = IRQ_S3C2443_WDT; 88 s3c_device_wdt.resource[1].end = IRQ_S3C2443_WDT; 89 90 /* the i2c devices are directly compatible with s3c2440 */ 91 s3c_i2c0_setname("s3c2440-i2c"); 92 s3c_i2c1_setname("s3c2440-i2c"); 93 94 s3c_fb_setname("s3c2443-fb"); 95 96 return sysdev_register(&s3c2416_sysdev); 97} 98 99void __init s3c2416_init_uarts(struct s3c2410_uartcfg *cfg, int no) 100{ 101 s3c24xx_init_uartdevs("s3c2440-uart", s3c2410_uart_resources, cfg, no); 102 103 s3c_device_nand.name = "s3c2416-nand"; 104} 105 106/* s3c2416_map_io 107 * 108 * register the standard cpu IO areas, and any passed in from the 109 * machine specific initialisation. 110 */ 111 112void __init s3c2416_map_io(void) 113{ 114 s3c24xx_gpiocfg_default.set_pull = s3c_gpio_setpull_updown; 115 s3c24xx_gpiocfg_default.get_pull = s3c_gpio_getpull_updown; 116 117 iotable_init(s3c2416_iodesc, ARRAY_SIZE(s3c2416_iodesc)); 118} 119 120/* need to register class before we actually register the device, and 121 * we also need to ensure that it has been initialised before any of the 122 * drivers even try to use it (even if not on an s3c2416 based system) 123 * as a driver which may support both 2443 and 2440 may try and use it. 124*/ 125 126static int __init s3c2416_core_init(void) 127{ 128 return sysdev_class_register(&s3c2416_sysclass); 129} 130 131core_initcall(s3c2416_core_init); 132