arch/arm/mach-exynos4/mach-origen.c

   1 /* linux/arch/arm/mach-exynos4/mach-origen.c
   2  *
   3  * Copyright (c) 2011 Insignal Co., Ltd.
   4  *              http://www.insignal.co.kr/
   5  *
   6  * This program is free software; you can redistribute it and/or modify
   7  * it under the terms of the GNU General Public License version 2 as
   8  * published by the Free Software Foundation.
   9 */
  10
  11 #include <linux/serial_core.h>
  12 #include <linux/gpio.h>
  13 #include <linux/mmc/host.h>
  14 #include <linux/platform_device.h>
  15 #include <linux/io.h>
  16 #include <linux/input.h>
  17
  18 #include <asm/mach/arch.h>
  19 #include <asm/mach-types.h>
  20
  21 #include <plat/regs-serial.h>
  22 #include <plat/exynos4.h>
  23 #include <plat/cpu.h>
  24 #include <plat/devs.h>
  25 #include <plat/sdhci.h>
  26 #include <plat/iic.h>
  27
  28 #include <mach/map.h>
  29
  30 /* Following are default values for UCON, ULCON and UFCON UART registers */
  31 #define ORIGEN_UCON_DEFAULT     (S3C2410_UCON_TXILEVEL |        \
  32                                  S3C2410_UCON_RXILEVEL |        \
  33                                  S3C2410_UCON_TXIRQMODE |       \
  34                                  S3C2410_UCON_RXIRQMODE |       \
  35                                  S3C2410_UCON_RXFIFO_TOI |      \
  36                                  S3C2443_UCON_RXERR_IRQEN)
  37
  38 #define ORIGEN_ULCON_DEFAULT    S3C2410_LCON_CS8
  39
  40 #define ORIGEN_UFCON_DEFAULT    (S3C2410_UFCON_FIFOMODE |       \
  41                                  S5PV210_UFCON_TXTRIG4 |        \
  42                                  S5PV210_UFCON_RXTRIG4)
  43
  44 static struct s3c2410_uartcfg origen_uartcfgs[] __initdata = {
  45         [0] = {
  46                 .hwport         = 0,
  47                 .flags          = 0,
  48                 .ucon           = ORIGEN_UCON_DEFAULT,
  49                 .ulcon          = ORIGEN_ULCON_DEFAULT,
  50                 .ufcon          = ORIGEN_UFCON_DEFAULT,
  51         },
  52         [1] = {
  53                 .hwport         = 1,
  54                 .flags          = 0,
  55                 .ucon           = ORIGEN_UCON_DEFAULT,
  56                 .ulcon          = ORIGEN_ULCON_DEFAULT,
  57                 .ufcon          = ORIGEN_UFCON_DEFAULT,
  58         },
  59         [2] = {
  60                 .hwport         = 2,
  61                 .flags          = 0,
  62                 .ucon           = ORIGEN_UCON_DEFAULT,
  63                 .ulcon          = ORIGEN_ULCON_DEFAULT,
  64                 .ufcon          = ORIGEN_UFCON_DEFAULT,
  65         },
  66         [3] = {
  67                 .hwport         = 3,
  68                 .flags          = 0,
  69                 .ucon           = ORIGEN_UCON_DEFAULT,
  70                 .ulcon          = ORIGEN_ULCON_DEFAULT,
  71                 .ufcon          = ORIGEN_UFCON_DEFAULT,
  72         },
  73 };
  74
  75 static struct s3c_sdhci_platdata origen_hsmmc2_pdata __initdata = {
  76         .cd_type                = S3C_SDHCI_CD_GPIO,
  77         .ext_cd_gpio            = EXYNOS4_GPK2(2),
  78         .ext_cd_gpio_invert     = 1,
  79         .clk_type               = S3C_SDHCI_CLK_DIV_EXTERNAL,
  80 };
  81
  82 static struct platform_device *origen_devices[] __initdata = {
  83         &s3c_device_hsmmc2,
  84         &s3c_device_rtc,
  85         &s3c_device_wdt,
  86 };
  87
  88 static void __init origen_map_io(void)
  89 {
  90         s5p_init_io(NULL, 0, S5P_VA_CHIPID);
  91         s3c24xx_init_clocks(24000000);
  92         s3c24xx_init_uarts(origen_uartcfgs, ARRAY_SIZE(origen_uartcfgs));
  93 }
  94
  95 static void __init origen_machine_init(void)
  96 {
  97         s3c_sdhci2_set_platdata(&origen_hsmmc2_pdata);
  98         platform_add_devices(origen_devices, ARRAY_SIZE(origen_devices));
  99 }
 100
 101 MACHINE_START(ORIGEN, "ORIGEN")
 102         /* Maintainer: JeongHyeon Kim <jhkim@insignal.co.kr> */
 103         .boot_params    = S5P_PA_SDRAM + 0x100,
 104         .init_irq       = exynos4_init_irq,
 105         .map_io         = origen_map_io,
 106         .init_machine   = origen_machine_init,
 107         .timer          = &exynos4_timer,
 108 MACHINE_END