arch/arm/mach-s3c/s3c2440.c

   1 // SPDX-License-Identifier: GPL-2.0
   2 //
   3 // Copyright (c) 2004-2006 Simtec Electronics
   4 //   Ben Dooks <ben@simtec.co.uk>
   5 //
   6 // Samsung S3C2440 Mobile CPU support
   7
   8 #include <linux/kernel.h>
   9 #include <linux/types.h>
  10 #include <linux/interrupt.h>
  11 #include <linux/list.h>
  12 #include <linux/timer.h>
  13 #include <linux/init.h>
  14 #include <linux/platform_device.h>
  15 #include <linux/serial_core.h>
  16 #include <linux/device.h>
  17 #include <linux/syscore_ops.h>
  18 #include <linux/gpio.h>
  19 #include <linux/clk.h>
  20 #include <linux/io.h>
  21
  22 #include <asm/mach/arch.h>
  23 #include <asm/mach/map.h>
  24 #include <asm/mach/irq.h>
  25
  26 #include <asm/irq.h>
  27
  28 #include "devs.h"
  29 #include "cpu.h"
  30 #include "pm.h"
  31
  32 #include "gpio-core.h"
  33 #include "gpio-cfg.h"
  34 #include "gpio-cfg-helpers.h"
  35 #include "gpio-samsung.h"
  36
  37 #include "s3c24xx.h"
  38
  39 static struct device s3c2440_dev = {
  40         .bus            = &s3c2440_subsys,
  41 };
  42
  43 int __init s3c2440_init(void)
  44 {
  45         printk("S3C2440: Initialising architecture\n");
  46
  47         /* change irq for watchdog */
  48
  49         s3c_device_wdt.resource[1].start = IRQ_S3C2440_WDT;
  50         s3c_device_wdt.resource[1].end   = IRQ_S3C2440_WDT;
  51
  52         /* register suspend/resume handlers */
  53
  54 #ifdef CONFIG_PM_SLEEP
  55         register_syscore_ops(&s3c2410_pm_syscore_ops);
  56         register_syscore_ops(&s3c24xx_irq_syscore_ops);
  57         register_syscore_ops(&s3c244x_pm_syscore_ops);
  58 #endif
  59
  60         /* register our system device for everything else */
  61
  62         return device_register(&s3c2440_dev);
  63 }
  64
  65 void __init s3c2440_map_io(void)
  66 {
  67         s3c244x_map_io();
  68
  69         s3c24xx_gpiocfg_default.set_pull = s3c24xx_gpio_setpull_1up;
  70         s3c24xx_gpiocfg_default.get_pull = s3c24xx_gpio_getpull_1up;
  71 }