arch/arm/mach-exynos4/mach-smdkv310.c

   1 /* linux/arch/arm/mach-exynos4/mach-smdkv310.c
   2  *
   3  * Copyright (c) 2010-2011 Samsung Electronics Co., Ltd.
   4  *              http://www.samsung.com
   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/smsc911x.h>
  16 #include <linux/io.h>
  17 #include <linux/i2c.h>
  18 #include <linux/input.h>
  19 #include <linux/pwm_backlight.h>
  20
  21 #include <asm/mach/arch.h>
  22 #include <asm/mach-types.h>
  23
  24 #include <plat/regs-serial.h>
  25 #include <plat/regs-srom.h>
  26 #include <plat/exynos4.h>
  27 #include <plat/cpu.h>
  28 #include <plat/devs.h>
  29 #include <plat/keypad.h>
  30 #include <plat/sdhci.h>
  31 #include <plat/iic.h>
  32 #include <plat/pd.h>
  33 #include <plat/gpio-cfg.h>
  34 #include <plat/backlight.h>
  35 #include <plat/mfc.h>
  36
  37 #include <mach/map.h>
  38
  39 /* Following are default values for UCON, ULCON and UFCON UART registers */
  40 #define SMDKV310_UCON_DEFAULT   (S3C2410_UCON_TXILEVEL |        \
  41                                  S3C2410_UCON_RXILEVEL |        \
  42                                  S3C2410_UCON_TXIRQMODE |       \
  43                                  S3C2410_UCON_RXIRQMODE |       \
  44                                  S3C2410_UCON_RXFIFO_TOI |      \
  45                                  S3C2443_UCON_RXERR_IRQEN)
  46
  47 #define SMDKV310_ULCON_DEFAULT  S3C2410_LCON_CS8
  48
  49 #define SMDKV310_UFCON_DEFAULT  (S3C2410_UFCON_FIFOMODE |       \
  50                                  S5PV210_UFCON_TXTRIG4 |        \
  51                                  S5PV210_UFCON_RXTRIG4)
  52
  53 static struct s3c2410_uartcfg smdkv310_uartcfgs[] __initdata = {
  54         [0] = {
  55                 .hwport         = 0,
  56                 .flags          = 0,
  57                 .ucon           = SMDKV310_UCON_DEFAULT,
  58                 .ulcon          = SMDKV310_ULCON_DEFAULT,
  59                 .ufcon          = SMDKV310_UFCON_DEFAULT,
  60         },
  61         [1] = {
  62                 .hwport         = 1,
  63                 .flags          = 0,
  64                 .ucon           = SMDKV310_UCON_DEFAULT,
  65                 .ulcon          = SMDKV310_ULCON_DEFAULT,
  66                 .ufcon          = SMDKV310_UFCON_DEFAULT,
  67         },
  68         [2] = {
  69                 .hwport         = 2,
  70                 .flags          = 0,
  71                 .ucon           = SMDKV310_UCON_DEFAULT,
  72                 .ulcon          = SMDKV310_ULCON_DEFAULT,
  73                 .ufcon          = SMDKV310_UFCON_DEFAULT,
  74         },
  75         [3] = {
  76                 .hwport         = 3,
  77                 .flags          = 0,
  78                 .ucon           = SMDKV310_UCON_DEFAULT,
  79                 .ulcon          = SMDKV310_ULCON_DEFAULT,
  80                 .ufcon          = SMDKV310_UFCON_DEFAULT,
  81         },
  82 };
  83
  84 static struct s3c_sdhci_platdata smdkv310_hsmmc0_pdata __initdata = {
  85         .cd_type                = S3C_SDHCI_CD_INTERNAL,
  86         .clk_type               = S3C_SDHCI_CLK_DIV_EXTERNAL,
  87 #ifdef CONFIG_EXYNOS4_SDHCI_CH0_8BIT
  88         .max_width              = 8,
  89         .host_caps              = MMC_CAP_8_BIT_DATA,
  90 #endif
  91 };
  92
  93 static struct s3c_sdhci_platdata smdkv310_hsmmc1_pdata __initdata = {
  94         .cd_type                = S3C_SDHCI_CD_GPIO,
  95         .ext_cd_gpio            = EXYNOS4_GPK0(2),
  96         .ext_cd_gpio_invert     = 1,
  97         .clk_type               = S3C_SDHCI_CLK_DIV_EXTERNAL,
  98 };
  99
 100 static struct s3c_sdhci_platdata smdkv310_hsmmc2_pdata __initdata = {
 101         .cd_type                = S3C_SDHCI_CD_INTERNAL,
 102         .clk_type               = S3C_SDHCI_CLK_DIV_EXTERNAL,
 103 #ifdef CONFIG_EXYNOS4_SDHCI_CH2_8BIT
 104         .max_width              = 8,
 105         .host_caps              = MMC_CAP_8_BIT_DATA,
 106 #endif
 107 };
 108
 109 static struct s3c_sdhci_platdata smdkv310_hsmmc3_pdata __initdata = {
 110         .cd_type                = S3C_SDHCI_CD_GPIO,
 111         .ext_cd_gpio            = EXYNOS4_GPK2(2),
 112         .ext_cd_gpio_invert     = 1,
 113         .clk_type               = S3C_SDHCI_CLK_DIV_EXTERNAL,
 114 };
 115
 116 static struct resource smdkv310_smsc911x_resources[] = {
 117         [0] = {
 118                 .start  = EXYNOS4_PA_SROM_BANK(1),
 119                 .end    = EXYNOS4_PA_SROM_BANK(1) + SZ_64K - 1,
 120                 .flags  = IORESOURCE_MEM,
 121         },
 122         [1] = {
 123                 .start  = IRQ_EINT(5),
 124                 .end    = IRQ_EINT(5),
 125                 .flags  = IORESOURCE_IRQ | IRQF_TRIGGER_LOW,
 126         },
 127 };
 128
 129 static struct smsc911x_platform_config smsc9215_config = {
 130         .irq_polarity   = SMSC911X_IRQ_POLARITY_ACTIVE_LOW,
 131         .irq_type       = SMSC911X_IRQ_TYPE_PUSH_PULL,
 132         .flags          = SMSC911X_USE_16BIT | SMSC911X_FORCE_INTERNAL_PHY,
 133         .phy_interface  = PHY_INTERFACE_MODE_MII,
 134         .mac            = {0x00, 0x80, 0x00, 0x23, 0x45, 0x67},
 135 };
 136
 137 static struct platform_device smdkv310_smsc911x = {
 138         .name           = "smsc911x",
 139         .id             = -1,
 140         .num_resources  = ARRAY_SIZE(smdkv310_smsc911x_resources),
 141         .resource       = smdkv310_smsc911x_resources,
 142         .dev            = {
 143                 .platform_data  = &smsc9215_config,
 144         },
 145 };
 146
 147 static uint32_t smdkv310_keymap[] __initdata = {
 148         /* KEY(row, col, keycode) */
 149         KEY(0, 3, KEY_1), KEY(0, 4, KEY_2), KEY(0, 5, KEY_3),
 150         KEY(0, 6, KEY_4), KEY(0, 7, KEY_5),
 151         KEY(1, 3, KEY_A), KEY(1, 4, KEY_B), KEY(1, 5, KEY_C),
 152         KEY(1, 6, KEY_D), KEY(1, 7, KEY_E)
 153 };
 154
 155 static struct matrix_keymap_data smdkv310_keymap_data __initdata = {
 156         .keymap         = smdkv310_keymap,
 157         .keymap_size    = ARRAY_SIZE(smdkv310_keymap),
 158 };
 159
 160 static struct samsung_keypad_platdata smdkv310_keypad_data __initdata = {
 161         .keymap_data    = &smdkv310_keymap_data,
 162         .rows           = 2,
 163         .cols           = 8,
 164 };
 165
 166 static struct i2c_board_info i2c_devs1[] __initdata = {
 167         {I2C_BOARD_INFO("wm8994", 0x1a),},
 168 };
 169
 170 static struct platform_device *smdkv310_devices[] __initdata = {
 171         &s3c_device_hsmmc0,
 172         &s3c_device_hsmmc1,
 173         &s3c_device_hsmmc2,
 174         &s3c_device_hsmmc3,
 175         &s3c_device_i2c1,
 176         &s5p_device_i2c_hdmiphy,
 177         &s3c_device_rtc,
 178         &s3c_device_wdt,
 179         &exynos4_device_ac97,
 180         &exynos4_device_i2s0,
 181         &samsung_device_keypad,
 182         &s5p_device_mfc,
 183         &s5p_device_mfc_l,
 184         &s5p_device_mfc_r,
 185         &exynos4_device_pd[PD_MFC],
 186         &exynos4_device_pd[PD_G3D],
 187         &exynos4_device_pd[PD_LCD0],
 188         &exynos4_device_pd[PD_LCD1],
 189         &exynos4_device_pd[PD_CAM],
 190         &exynos4_device_pd[PD_TV],
 191         &exynos4_device_pd[PD_GPS],
 192         &exynos4_device_spdif,
 193         &exynos4_device_sysmmu,
 194         &samsung_asoc_dma,
 195         &samsung_asoc_idma,
 196         &smdkv310_smsc911x,
 197         &exynos4_device_ahci,
 198         &s5p_device_hdmi,
 199         &s5p_device_mixer,
 200 };
 201
 202 static void __init smdkv310_smsc911x_init(void)
 203 {
 204         u32 cs1;
 205
 206         /* configure nCS1 width to 16 bits */
 207         cs1 = __raw_readl(S5P_SROM_BW) &
 208                 ~(S5P_SROM_BW__CS_MASK << S5P_SROM_BW__NCS1__SHIFT);
 209         cs1 |= ((1 << S5P_SROM_BW__DATAWIDTH__SHIFT) |
 210                 (1 << S5P_SROM_BW__WAITENABLE__SHIFT) |
 211                 (1 << S5P_SROM_BW__BYTEENABLE__SHIFT)) <<
 212                 S5P_SROM_BW__NCS1__SHIFT;
 213         __raw_writel(cs1, S5P_SROM_BW);
 214
 215         /* set timing for nCS1 suitable for ethernet chip */
 216         __raw_writel((0x1 << S5P_SROM_BCX__PMC__SHIFT) |
 217                      (0x9 << S5P_SROM_BCX__TACP__SHIFT) |
 218                      (0xc << S5P_SROM_BCX__TCAH__SHIFT) |
 219                      (0x1 << S5P_SROM_BCX__TCOH__SHIFT) |
 220                      (0x6 << S5P_SROM_BCX__TACC__SHIFT) |
 221                      (0x1 << S5P_SROM_BCX__TCOS__SHIFT) |
 222                      (0x1 << S5P_SROM_BCX__TACS__SHIFT), S5P_SROM_BC1);
 223 }
 224
 225 /* LCD Backlight data */
 226 static struct samsung_bl_gpio_info smdkv310_bl_gpio_info = {
 227         .no = EXYNOS4_GPD0(1),
 228         .func = S3C_GPIO_SFN(2),
 229 };
 230
 231 static struct platform_pwm_backlight_data smdkv310_bl_data = {
 232         .pwm_id = 1,
 233         .pwm_period_ns  = 1000,
 234 };
 235
 236 static void s5p_tv_setup(void)
 237 {
 238         /* direct HPD to HDMI chip */
 239         WARN_ON(gpio_request_one(EXYNOS4_GPX3(7), GPIOF_IN, "hpd-plug"));
 240         s3c_gpio_cfgpin(EXYNOS4_GPX3(7), S3C_GPIO_SFN(0x3));
 241         s3c_gpio_setpull(EXYNOS4_GPX3(7), S3C_GPIO_PULL_NONE);
 242
 243         /* setup dependencies between TV devices */
 244         s5p_device_hdmi.dev.parent = &exynos4_device_pd[PD_TV].dev;
 245         s5p_device_mixer.dev.parent = &exynos4_device_pd[PD_TV].dev;
 246 }
 247
 248 static void __init smdkv310_map_io(void)
 249 {
 250         s5p_init_io(NULL, 0, S5P_VA_CHIPID);
 251         s3c24xx_init_clocks(24000000);
 252         s3c24xx_init_uarts(smdkv310_uartcfgs, ARRAY_SIZE(smdkv310_uartcfgs));
 253 }
 254
 255 static void __init smdkv310_reserve(void)
 256 {
 257         s5p_mfc_reserve_mem(0x43000000, 8 << 20, 0x51000000, 8 << 20);
 258 }
 259
 260 static void __init smdkv310_machine_init(void)
 261 {
 262         s3c_i2c1_set_platdata(NULL);
 263         i2c_register_board_info(1, i2c_devs1, ARRAY_SIZE(i2c_devs1));
 264
 265         smdkv310_smsc911x_init();
 266
 267         s3c_sdhci0_set_platdata(&smdkv310_hsmmc0_pdata);
 268         s3c_sdhci1_set_platdata(&smdkv310_hsmmc1_pdata);
 269         s3c_sdhci2_set_platdata(&smdkv310_hsmmc2_pdata);
 270         s3c_sdhci3_set_platdata(&smdkv310_hsmmc3_pdata);
 271
 272         s5p_tv_setup();
 273         s5p_i2c_hdmiphy_set_platdata(NULL);
 274
 275         samsung_keypad_set_platdata(&smdkv310_keypad_data);
 276
 277         samsung_bl_set(&smdkv310_bl_gpio_info, &smdkv310_bl_data);
 278
 279         platform_add_devices(smdkv310_devices, ARRAY_SIZE(smdkv310_devices));
 280         s5p_device_mfc.dev.parent = &exynos4_device_pd[PD_MFC].dev;
 281 }
 282
 283 MACHINE_START(SMDKV310, "SMDKV310")
 284         /* Maintainer: Kukjin Kim <kgene.kim@samsung.com> */
 285         /* Maintainer: Changhwan Youn <chaos.youn@samsung.com> */
 286         .boot_params    = S5P_PA_SDRAM + 0x100,
 287         .init_irq       = exynos4_init_irq,
 288         .map_io         = smdkv310_map_io,
 289         .init_machine   = smdkv310_machine_init,
 290         .timer          = &exynos4_timer,
 291         .reserve        = &smdkv310_reserve,
 292 MACHINE_END