arch/arm/mach-s5pv310/mach-universal_c210.c

   1 /* linux/arch/arm/mach-s5pv310/mach-universal_c210.c
   2  *
   3  * Copyright (c) 2010 Samsung Electronics Co., Ltd.
   4  *
   5  * This program is free software; you can redistribute it and/or modify
   6  * it under the terms of the GNU General Public License version 2 as
   7  * published by the Free Software Foundation.
   8 */
   9
  10 #include <linux/platform_device.h>
  11 #include <linux/serial_core.h>
  12 #include <linux/input.h>
  13 #include <linux/i2c.h>
  14 #include <linux/gpio_keys.h>
  15 #include <linux/gpio.h>
  16
  17 #include <asm/mach/arch.h>
  18 #include <asm/mach-types.h>
  19 #include <asm/hardware/cache-l2x0.h>
  20
  21 #include <plat/regs-serial.h>
  22 #include <plat/s5pv310.h>
  23 #include <plat/cpu.h>
  24 #include <plat/devs.h>
  25
  26 #include <mach/map.h>
  27
  28 /* Following are default values for UCON, ULCON and UFCON UART registers */
  29 #define UNIVERSAL_UCON_DEFAULT  (S3C2410_UCON_TXILEVEL |        \
  30                                  S3C2410_UCON_RXILEVEL |        \
  31                                  S3C2410_UCON_TXIRQMODE |       \
  32                                  S3C2410_UCON_RXIRQMODE |       \
  33                                  S3C2410_UCON_RXFIFO_TOI |      \
  34                                  S3C2443_UCON_RXERR_IRQEN)
  35
  36 #define UNIVERSAL_ULCON_DEFAULT S3C2410_LCON_CS8
  37
  38 #define UNIVERSAL_UFCON_DEFAULT (S3C2410_UFCON_FIFOMODE |       \
  39                                  S5PV210_UFCON_TXTRIG256 |      \
  40                                  S5PV210_UFCON_RXTRIG256)
  41
  42 static struct s3c2410_uartcfg universal_uartcfgs[] __initdata = {
  43         [0] = {
  44                 .hwport         = 0,
  45                 .ucon           = UNIVERSAL_UCON_DEFAULT,
  46                 .ulcon          = UNIVERSAL_ULCON_DEFAULT,
  47                 .ufcon          = UNIVERSAL_UFCON_DEFAULT,
  48         },
  49         [1] = {
  50                 .hwport         = 1,
  51                 .ucon           = UNIVERSAL_UCON_DEFAULT,
  52                 .ulcon          = UNIVERSAL_ULCON_DEFAULT,
  53                 .ufcon          = UNIVERSAL_UFCON_DEFAULT,
  54         },
  55         [2] = {
  56                 .hwport         = 2,
  57                 .ucon           = UNIVERSAL_UCON_DEFAULT,
  58                 .ulcon          = UNIVERSAL_ULCON_DEFAULT,
  59                 .ufcon          = UNIVERSAL_UFCON_DEFAULT,
  60         },
  61         [3] = {
  62                 .hwport         = 3,
  63                 .ucon           = UNIVERSAL_UCON_DEFAULT,
  64                 .ulcon          = UNIVERSAL_ULCON_DEFAULT,
  65                 .ufcon          = UNIVERSAL_UFCON_DEFAULT,
  66         },
  67 };
  68
  69 static struct gpio_keys_button universal_gpio_keys_tables[] = {
  70         {
  71                 .code                   = KEY_VOLUMEUP,
  72                 .gpio                   = S5PV310_GPX2(0),      /* XEINT16 */
  73                 .desc                   = "gpio-keys: KEY_VOLUMEUP",
  74                 .type                   = EV_KEY,
  75                 .active_low             = 1,
  76                 .debounce_interval      = 1,
  77         }, {
  78                 .code                   = KEY_VOLUMEDOWN,
  79                 .gpio                   = S5PV310_GPX2(1),      /* XEINT17 */
  80                 .desc                   = "gpio-keys: KEY_VOLUMEDOWN",
  81                 .type                   = EV_KEY,
  82                 .active_low             = 1,
  83                 .debounce_interval      = 1,
  84         }, {
  85                 .code                   = KEY_CONFIG,
  86                 .gpio                   = S5PV310_GPX2(2),      /* XEINT18 */
  87                 .desc                   = "gpio-keys: KEY_CONFIG",
  88                 .type                   = EV_KEY,
  89                 .active_low             = 1,
  90                 .debounce_interval      = 1,
  91         }, {
  92                 .code                   = KEY_CAMERA,
  93                 .gpio                   = S5PV310_GPX2(3),      /* XEINT19 */
  94                 .desc                   = "gpio-keys: KEY_CAMERA",
  95                 .type                   = EV_KEY,
  96                 .active_low             = 1,
  97                 .debounce_interval      = 1,
  98         }, {
  99                 .code                   = KEY_OK,
 100                 .gpio                   = S5PV310_GPX3(5),      /* XEINT29 */
 101                 .desc                   = "gpio-keys: KEY_OK",
 102                 .type                   = EV_KEY,
 103                 .active_low             = 1,
 104                 .debounce_interval      = 1,
 105         },
 106 };
 107
 108 static struct gpio_keys_platform_data universal_gpio_keys_data = {
 109         .buttons        = universal_gpio_keys_tables,
 110         .nbuttons       = ARRAY_SIZE(universal_gpio_keys_tables),
 111 };
 112
 113 static struct platform_device universal_gpio_keys = {
 114         .name                   = "gpio-keys",
 115         .dev                    = {
 116                 .platform_data  = &universal_gpio_keys_data,
 117         },
 118 };
 119
 120 /* I2C0 */
 121 static struct i2c_board_info i2c0_devs[] __initdata = {
 122         /* Camera, To be updated */
 123 };
 124
 125 /* I2C1 */
 126 static struct i2c_board_info i2c1_devs[] __initdata = {
 127         /* Gyro, To be updated */
 128 };
 129
 130 static struct platform_device *universal_devices[] __initdata = {
 131         &universal_gpio_keys,
 132         &s5p_device_onenand,
 133 };
 134
 135 static void __init universal_map_io(void)
 136 {
 137         s5p_init_io(NULL, 0, S5P_VA_CHIPID);
 138         s3c24xx_init_clocks(24000000);
 139         s3c24xx_init_uarts(universal_uartcfgs, ARRAY_SIZE(universal_uartcfgs));
 140 }
 141
 142 static void __init universal_machine_init(void)
 143 {
 144 #ifdef CONFIG_CACHE_L2X0
 145         l2x0_init(S5P_VA_L2CC, 1 << 28, 0xffffffff);
 146 #endif
 147
 148         i2c_register_board_info(0, i2c0_devs, ARRAY_SIZE(i2c0_devs));
 149         i2c_register_board_info(1, i2c1_devs, ARRAY_SIZE(i2c1_devs));
 150
 151         /* Last */
 152         platform_add_devices(universal_devices, ARRAY_SIZE(universal_devices));
 153 }
 154
 155 MACHINE_START(UNIVERSAL_C210, "UNIVERSAL_C210")
 156         /* Maintainer: Kyungmin Park <kyungmin.park@samsung.com> */
 157         .phys_io        = S3C_PA_UART & 0xfff00000,
 158         .io_pg_offst    = (((u32)S3C_VA_UART) >> 18) & 0xfffc,
 159         .boot_params    = S5P_PA_SDRAM + 0x100,
 160         .init_irq       = s5pv310_init_irq,
 161         .map_io         = universal_map_io,
 162         .init_machine   = universal_machine_init,
 163         .timer          = &s5pv310_timer,
 164 MACHINE_END