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/serial_s3c.h>
  20 #include <linux/platform_device.h>
  21 #include <linux/i2c.h>
  22 #include <linux/io.h>
  23
  24 #include <asm/mach-types.h>
  25
  26 #include <asm/mach/arch.h>
  27 #include <asm/mach/map.h>
  28 #include <asm/mach/irq.h>
  29
  30 #include <mach/hardware.h>
  31 #include <mach/map.h>
  32
  33 #include <plat/devs.h>
  34 #include <plat/cpu.h>
  35 #include <linux/platform_data/i2c-s3c2410.h>
  36 #include <mach/gpio-samsung.h>
  37 #include <plat/samsung-time.h>
  38
  39 #include "common.h"
  40
  41 #define UCON S3C2410_UCON_DEFAULT | S3C2410_UCON_UCLK
  42 #define ULCON S3C2410_LCON_CS8 | S3C2410_LCON_PNONE | S3C2410_LCON_STOPB
  43 #define UFCON S3C2410_UFCON_RXTRIG8 | S3C2410_UFCON_FIFOMODE
  44
  45 static struct s3c2410_uartcfg smdk6400_uartcfgs[] __initdata = {
  46         [0] = {
  47                 .hwport      = 0,
  48                 .flags       = 0,
  49                 .ucon        = 0x3c5,
  50                 .ulcon       = 0x03,
  51                 .ufcon       = 0x51,
  52         },
  53         [1] = {
  54                 .hwport      = 1,
  55                 .flags       = 0,
  56                 .ucon        = 0x3c5,
  57                 .ulcon       = 0x03,
  58                 .ufcon       = 0x51,
  59         },
  60 };
  61
  62 static struct map_desc smdk6400_iodesc[] = {};
  63
  64 static void __init smdk6400_map_io(void)
  65 {
  66         s3c64xx_init_io(smdk6400_iodesc, ARRAY_SIZE(smdk6400_iodesc));
  67         s3c64xx_set_xtal_freq(12000000);
  68         s3c24xx_init_uarts(smdk6400_uartcfgs, ARRAY_SIZE(smdk6400_uartcfgs));
  69         samsung_set_timer_source(SAMSUNG_PWM3, SAMSUNG_PWM4);
  70 }
  71
  72 static struct platform_device *smdk6400_devices[] __initdata = {
  73         &s3c_device_hsmmc1,
  74         &s3c_device_i2c0,
  75 };
  76
  77 static struct i2c_board_info i2c_devs[] __initdata = {
  78         { I2C_BOARD_INFO("wm8753", 0x1A), },
  79         { I2C_BOARD_INFO("24c08", 0x50), },
  80 };
  81
  82 static void __init smdk6400_machine_init(void)
  83 {
  84         i2c_register_board_info(0, i2c_devs, ARRAY_SIZE(i2c_devs));
  85         platform_add_devices(smdk6400_devices, ARRAY_SIZE(smdk6400_devices));
  86 }
  87
  88 MACHINE_START(SMDK6400, "SMDK6400")
  89         /* Maintainer: Ben Dooks <ben-linux@fluff.org> */
  90         .atag_offset    = 0x100,
  91
  92         .init_irq       = s3c6400_init_irq,
  93         .map_io         = smdk6400_map_io,
  94         .init_machine   = smdk6400_machine_init,
  95         .init_time      = samsung_timer_init,
  96         .restart        = s3c64xx_restart,
  97 MACHINE_END