arch/arm/mach-s3c64xx/mach-smdk6400.c

   1 /* linux/arch/arm/mach-s3c64xx/mach-smdk6400.c
   2  *
   3  * Copyright 2008 Simtec Electronics
   4  *      Ben Dooks <ben@simtec.co.uk>
   5  *      http://armlinux.simtec.co.uk/
   6  *
   7  * This program is free software; you can redistribute it and/or modify
   8  * it under the terms of the GNU General Public License version 2 as
   9  * published by the Free Software Foundation.
  10 */
  11
  12 #include <linux/kernel.h>
  13 #include <linux/types.h>
  14 #include <linux/interrupt.h>
  15 #include <linux/list.h>
  16 #include <linux/timer.h>
  17 #include <linux/init.h>
  18 #include <linux/serial_core.h>
  19 #include <linux/platform_device.h>
  20 #include <linux/i2c.h>
  21 #include <linux/io.h>
  22
  23 #include <asm/mach-types.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 <mach/map.h>
  31
  32 #include <plat/regs-serial.h>
  33
  34 #include <plat/clock.h>
  35 #include <plat/devs.h>
  36 #include <plat/cpu.h>
  37 #include <linux/platform_data/i2c-s3c2410.h>
  38 #include <plat/samsung-time.h>
  39
  40 #include "common.h"
  41
  42 #define UCON S3C2410_UCON_DEFAULT | S3C2410_UCON_UCLK
  43 #define ULCON S3C2410_LCON_CS8 | S3C2410_LCON_PNONE | S3C2410_LCON_STOPB
  44 #define UFCON S3C2410_UFCON_RXTRIG8 | S3C2410_UFCON_FIFOMODE
  45
  46 static struct s3c2410_uartcfg smdk6400_uartcfgs[] __initdata = {
  47         [0] = {
  48                 .hwport      = 0,
  49                 .flags       = 0,
  50                 .ucon        = 0x3c5,
  51                 .ulcon       = 0x03,
  52                 .ufcon       = 0x51,
  53         },
  54         [1] = {
  55                 .hwport      = 1,
  56                 .flags       = 0,
  57                 .ucon        = 0x3c5,
  58                 .ulcon       = 0x03,
  59                 .ufcon       = 0x51,
  60         },
  61 };
  62
  63 static struct map_desc smdk6400_iodesc[] = {};
  64
  65 static void __init smdk6400_map_io(void)
  66 {
  67         s3c64xx_init_io(smdk6400_iodesc, ARRAY_SIZE(smdk6400_iodesc));
  68         s3c64xx_set_xtal_freq(12000000);
  69         s3c24xx_init_uarts(smdk6400_uartcfgs, ARRAY_SIZE(smdk6400_uartcfgs));
  70         samsung_set_timer_source(SAMSUNG_PWM3, SAMSUNG_PWM4);
  71 }
  72
  73 static struct platform_device *smdk6400_devices[] __initdata = {
  74         &s3c_device_hsmmc1,
  75         &s3c_device_i2c0,
  76 };
  77
  78 static struct i2c_board_info i2c_devs[] __initdata = {
  79         { I2C_BOARD_INFO("wm8753", 0x1A), },
  80         { I2C_BOARD_INFO("24c08", 0x50), },
  81 };
  82
  83 static void __init smdk6400_machine_init(void)
  84 {
  85         i2c_register_board_info(0, i2c_devs, ARRAY_SIZE(i2c_devs));
  86         platform_add_devices(smdk6400_devices, ARRAY_SIZE(smdk6400_devices));
  87 }
  88
  89 MACHINE_START(SMDK6400, "SMDK6400")
  90         /* Maintainer: Ben Dooks <ben-linux@fluff.org> */
  91         .atag_offset    = 0x100,
  92
  93         .init_irq       = s3c6400_init_irq,
  94         .map_io         = smdk6400_map_io,
  95         .init_machine   = smdk6400_machine_init,
  96         .init_late      = s3c64xx_init_late,
  97         .init_time      = samsung_timer_init,
  98         .restart        = s3c64xx_restart,
  99 MACHINE_END