arch/arm/mach-s3c6400/mach-smdk6400.c

   1 /* linux/arch/arm/mach-s3c6400/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/s3c6400.h>
  35 #include <plat/clock.h>
  36 #include <plat/devs.h>
  37 #include <plat/cpu.h>
  38 #include <plat/iic.h>
  39
  40 #define UCON S3C2410_UCON_DEFAULT | S3C2410_UCON_UCLK
  41 #define ULCON S3C2410_LCON_CS8 | S3C2410_LCON_PNONE | S3C2410_LCON_STOPB
  42 #define UFCON S3C2410_UFCON_RXTRIG8 | S3C2410_UFCON_FIFOMODE
  43
  44 static struct s3c2410_uartcfg smdk6400_uartcfgs[] __initdata = {
  45         [0] = {
  46                 .hwport      = 0,
  47                 .flags       = 0,
  48                 .ucon        = 0x3c5,
  49                 .ulcon       = 0x03,
  50                 .ufcon       = 0x51,
  51         },
  52         [1] = {
  53                 .hwport      = 1,
  54                 .flags       = 0,
  55                 .ucon        = 0x3c5,
  56                 .ulcon       = 0x03,
  57                 .ufcon       = 0x51,
  58         },
  59 };
  60
  61 static struct map_desc smdk6400_iodesc[] = {};
  62
  63 static void __init smdk6400_map_io(void)
  64 {
  65         s3c64xx_init_io(smdk6400_iodesc, ARRAY_SIZE(smdk6400_iodesc));
  66         s3c24xx_init_clocks(12000000);
  67         s3c24xx_init_uarts(smdk6400_uartcfgs, ARRAY_SIZE(smdk6400_uartcfgs));
  68 }
  69
  70 static struct platform_device *smdk6400_devices[] __initdata = {
  71         &s3c_device_hsmmc1,
  72         &s3c_device_i2c0,
  73 };
  74
  75 static struct i2c_board_info i2c_devs[] __initdata = {
  76         { I2C_BOARD_INFO("wm8753", 0x1A), },
  77         { I2C_BOARD_INFO("24c08", 0x50), },
  78 };
  79
  80 static void __init smdk6400_machine_init(void)
  81 {
  82         i2c_register_board_info(0, i2c_devs, ARRAY_SIZE(i2c_devs));
  83         platform_add_devices(smdk6400_devices, ARRAY_SIZE(smdk6400_devices));
  84 }
  85
  86 MACHINE_START(SMDK6400, "SMDK6400")
  87         /* Maintainer: Ben Dooks <ben@fluff.org> */
  88         .phys_io        = S3C_PA_UART & 0xfff00000,
  89         .io_pg_offst    = (((u32)S3C_VA_UART) >> 18) & 0xfffc,
  90         .boot_params    = S3C64XX_PA_SDRAM + 0x100,
  91
  92         .init_irq       = s3c6400_init_irq,
  93         .map_io         = smdk6400_map_io,
  94         .init_machine   = smdk6400_machine_init,
  95         .timer          = &s3c24xx_timer,
  96 MACHINE_END