arch/arm/mach-s3c24xx/s3c2442.c

   1 /* linux/arch/arm/mach-s3c2442/s3c2442.c
   2  *
   3  * Copyright (c) 2004-2005 Simtec Electronics
   4  *      http://armlinux.simtec.co.uk/
   5  *      Ben Dooks <ben@simtec.co.uk>
   6  *
   7  * S3C2442 core and lock support
   8  *
   9  * This program is free software; you can redistribute it and/or modify
  10  * it under the terms of the GNU General Public License as published by
  11  * the Free Software Foundation; either version 2 of the License, or
  12  * (at your option) any later version.
  13  *
  14  * This program is distributed in the hope that it will be useful,
  15  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17  * GNU General Public License for more details.
  18  *
  19  * You should have received a copy of the GNU General Public License
  20  * along with this program; if not, write to the Free Software
  21  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  22 */
  23
  24 #include <linux/init.h>
  25 #include <linux/module.h>
  26 #include <linux/kernel.h>
  27 #include <linux/list.h>
  28 #include <linux/errno.h>
  29 #include <linux/err.h>
  30 #include <linux/device.h>
  31 #include <linux/syscore_ops.h>
  32 #include <linux/interrupt.h>
  33 #include <linux/ioport.h>
  34 #include <linux/mutex.h>
  35 #include <linux/gpio.h>
  36 #include <linux/clk.h>
  37 #include <linux/io.h>
  38
  39 #include <mach/hardware.h>
  40 #include <mach/gpio-samsung.h>
  41 #include <linux/atomic.h>
  42 #include <asm/irq.h>
  43
  44 #include <mach/regs-clock.h>
  45
  46 #include <plat/cpu.h>
  47 #include <plat/pm.h>
  48
  49 #include <plat/gpio-core.h>
  50 #include <plat/gpio-cfg.h>
  51 #include <plat/gpio-cfg-helpers.h>
  52
  53 #include "common.h"
  54
  55 static struct device s3c2442_dev = {
  56         .bus            = &s3c2442_subsys,
  57 };
  58
  59 int __init s3c2442_init(void)
  60 {
  61         printk("S3C2442: Initialising architecture\n");
  62
  63 #ifdef CONFIG_PM_SLEEP
  64         register_syscore_ops(&s3c2410_pm_syscore_ops);
  65         register_syscore_ops(&s3c24xx_irq_syscore_ops);
  66         register_syscore_ops(&s3c244x_pm_syscore_ops);
  67 #endif
  68
  69         return device_register(&s3c2442_dev);
  70 }
  71
  72 void __init s3c2442_map_io(void)
  73 {
  74         s3c244x_map_io();
  75
  76         s3c24xx_gpiocfg_default.set_pull = s3c24xx_gpio_setpull_1down;
  77         s3c24xx_gpiocfg_default.get_pull = s3c24xx_gpio_getpull_1down;
  78 }