LXR linux/arch/arm/mach-s3c24xx/s3c2416.c

   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/device.h>
  35#include <linux/syscore_ops.h>
  36#include <linux/clk.h>
  37#include <linux/io.h>
  38#include <linux/reboot.h>
  39
  40#include <asm/mach/arch.h>
  41#include <asm/mach/map.h>
  42#include <asm/mach/irq.h>
  43
  44#include <mach/hardware.h>
  45#include <mach/gpio-samsung.h>
  46#include <asm/proc-fns.h>
  47#include <asm/irq.h>
  48#include <asm/system_misc.h>
  49
  50#include <mach/regs-s3c2443-clock.h>
  51#include <mach/rtc-core.h>
  52
  53#include <plat/gpio-core.h>
  54#include <plat/gpio-cfg.h>
  55#include <plat/gpio-cfg-helpers.h>
  56#include <plat/devs.h>
  57#include <plat/cpu.h>
  58#include <plat/sdhci.h>
  59#include <plat/pm.h>
  60
  61#include <plat/iic-core.h>
  62#include <plat/adc-core.h>
  63
  64#include "common.h"
  65#include "fb-core.h"
  66#include "nand-core.h"
  67#include "spi-core.h"
  68
  69static struct map_desc s3c2416_iodesc[] __initdata = {
  70        IODESC_ENT(WATCHDOG),
  71        IODESC_ENT(CLKPWR),
  72        IODESC_ENT(TIMER),
  73};
  74
  75struct bus_type s3c2416_subsys = {
  76        .name = "s3c2416-core",
  77        .dev_name = "s3c2416-core",
  78};
  79
  80static struct device s3c2416_dev = {
  81        .bus            = &s3c2416_subsys,
  82};
  83
  84int __init s3c2416_init(void)
  85{
  86        printk(KERN_INFO "S3C2416: Initializing architecture\n");
  87
  88        /* change WDT IRQ number */
  89        s3c_device_wdt.resource[1].start = IRQ_S3C2443_WDT;
  90        s3c_device_wdt.resource[1].end   = IRQ_S3C2443_WDT;
  91
  92        /* the i2c devices are directly compatible with s3c2440 */
  93        s3c_i2c0_setname("s3c2440-i2c");
  94        s3c_i2c1_setname("s3c2440-i2c");
  95
  96        s3c_fb_setname("s3c2443-fb");
  97
  98        s3c_adc_setname("s3c2416-adc");
  99        s3c_rtc_setname("s3c2416-rtc");
 100
 101#ifdef CONFIG_PM_SLEEP
 102        register_syscore_ops(&s3c2416_pm_syscore_ops);
 103        register_syscore_ops(&s3c24xx_irq_syscore_ops);
 104        register_syscore_ops(&s3c2416_irq_syscore_ops);
 105#endif
 106
 107        return device_register(&s3c2416_dev);
 108}
 109
 110void __init s3c2416_init_uarts(struct s3c2410_uartcfg *cfg, int no)
 111{
 112        s3c24xx_init_uartdevs("s3c2440-uart", s3c2410_uart_resources, cfg, no);
 113
 114        s3c_nand_setname("s3c2412-nand");
 115}
 116
 117/* s3c2416_map_io
 118 *
 119 * register the standard cpu IO areas, and any passed in from the
 120 * machine specific initialisation.
 121 */
 122
 123void __init s3c2416_map_io(void)
 124{
 125        s3c24xx_gpiocfg_default.set_pull = samsung_gpio_setpull_updown;
 126        s3c24xx_gpiocfg_default.get_pull = samsung_gpio_getpull_updown;
 127
 128        /* initialize device information early */
 129        s3c2416_default_sdhci0();
 130        s3c2416_default_sdhci1();
 131        s3c64xx_spi_setname("s3c2443-spi");
 132
 133        iotable_init(s3c2416_iodesc, ARRAY_SIZE(s3c2416_iodesc));
 134}
 135
 136/* need to register the subsystem before we actually register the device, and
 137 * we also need to ensure that it has been initialised before any of the
 138 * drivers even try to use it (even if not on an s3c2416 based system)
 139 * as a driver which may support both 2443 and 2440 may try and use it.
 140*/
 141
 142static int __init s3c2416_core_init(void)
 143{
 144        return subsys_system_register(&s3c2416_subsys, NULL);
 145}
 146
 147core_initcall(s3c2416_core_init);
 148