arch/arm/mach-exynos/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/delay.h>
  13 #include <linux/gpio.h>
  14 #include <linux/lcd.h>
  15 #include <linux/mmc/host.h>
  16 #include <linux/platform_device.h>
  17 #include <linux/smsc911x.h>
  18 #include <linux/io.h>
  19 #include <linux/i2c.h>
  20 #include <linux/input.h>
  21 #include <linux/pwm_backlight.h>
  22
  23 #include <asm/mach/arch.h>
  24 #include <asm/mach-types.h>
  25
  26 #include <video/platform_lcd.h>
  27 #include <plat/regs-serial.h>
  28 #include <plat/regs-srom.h>
  29 #include <plat/regs-fb-v4.h>
  30 #include <plat/exynos4.h>
  31 #include <plat/cpu.h>
  32 #include <plat/devs.h>
  33 #include <plat/fb.h>
  34 #include <plat/keypad.h>
  35 #include <plat/sdhci.h>
  36 #include <plat/iic.h>
  37 #include <plat/pd.h>
  38 #include <plat/gpio-cfg.h>
  39 #include <plat/backlight.h>
  40 #include <plat/mfc.h>
  41 #include <plat/ehci.h>
  42 #include <plat/clock.h>
  43
  44 #include <mach/map.h>
  45
  46 /* Following are default values for UCON, ULCON and UFCON UART registers */
  47 #define SMDKV310_UCON_DEFAULT   (S3C2410_UCON_TXILEVEL |        \
  48                                  S3C2410_UCON_RXILEVEL |        \
  49                                  S3C2410_UCON_TXIRQMODE |       \
  50                                  S3C2410_UCON_RXIRQMODE |       \
  51                                  S3C2410_UCON_RXFIFO_TOI |      \
  52                                  S3C2443_UCON_RXERR_IRQEN)
  53
  54 #define SMDKV310_ULCON_DEFAULT  S3C2410_LCON_CS8
  55
  56 #define SMDKV310_UFCON_DEFAULT  (S3C2410_UFCON_FIFOMODE |       \
  57                                  S5PV210_UFCON_TXTRIG4 |        \
  58                                  S5PV210_UFCON_RXTRIG4)
  59
  60 static struct s3c2410_uartcfg smdkv310_uartcfgs[] __initdata = {
  61         [0] = {
  62                 .hwport         = 0,
  63                 .flags          = 0,
  64                 .ucon           = SMDKV310_UCON_DEFAULT,
  65                 .ulcon          = SMDKV310_ULCON_DEFAULT,
  66                 .ufcon          = SMDKV310_UFCON_DEFAULT,
  67         },
  68         [1] = {
  69                 .hwport         = 1,
  70                 .flags          = 0,
  71                 .ucon           = SMDKV310_UCON_DEFAULT,
  72                 .ulcon          = SMDKV310_ULCON_DEFAULT,
  73                 .ufcon          = SMDKV310_UFCON_DEFAULT,
  74         },
  75         [2] = {
  76                 .hwport         = 2,
  77                 .flags          = 0,
  78                 .ucon           = SMDKV310_UCON_DEFAULT,
  79                 .ulcon          = SMDKV310_ULCON_DEFAULT,
  80                 .ufcon          = SMDKV310_UFCON_DEFAULT,
  81         },
  82         [3] = {
  83                 .hwport         = 3,
  84                 .flags          = 0,
  85                 .ucon           = SMDKV310_UCON_DEFAULT,
  86                 .ulcon          = SMDKV310_ULCON_DEFAULT,
  87                 .ufcon          = SMDKV310_UFCON_DEFAULT,
  88         },
  89 };
  90
  91 static struct s3c_sdhci_platdata smdkv310_hsmmc0_pdata __initdata = {
  92         .cd_type                = S3C_SDHCI_CD_INTERNAL,
  93         .clk_type               = S3C_SDHCI_CLK_DIV_EXTERNAL,
  94 #ifdef CONFIG_EXYNOS4_SDHCI_CH0_8BIT
  95         .max_width              = 8,
  96         .host_caps              = MMC_CAP_8_BIT_DATA,
  97 #endif
  98 };
  99
 100 static struct s3c_sdhci_platdata smdkv310_hsmmc1_pdata __initdata = {
 101         .cd_type                = S3C_SDHCI_CD_GPIO,
 102         .ext_cd_gpio            = EXYNOS4_GPK0(2),
 103         .ext_cd_gpio_invert     = 1,
 104         .clk_type               = S3C_SDHCI_CLK_DIV_EXTERNAL,
 105 };
 106
 107 static struct s3c_sdhci_platdata smdkv310_hsmmc2_pdata __initdata = {
 108         .cd_type                = S3C_SDHCI_CD_INTERNAL,
 109         .clk_type               = S3C_SDHCI_CLK_DIV_EXTERNAL,
 110 #ifdef CONFIG_EXYNOS4_SDHCI_CH2_8BIT
 111         .max_width              = 8,
 112         .host_caps              = MMC_CAP_8_BIT_DATA,
 113 #endif
 114 };
 115
 116 static struct s3c_sdhci_platdata smdkv310_hsmmc3_pdata __initdata = {
 117         .cd_type                = S3C_SDHCI_CD_GPIO,
 118         .ext_cd_gpio            = EXYNOS4_GPK2(2),
 119         .ext_cd_gpio_invert     = 1,
 120         .clk_type               = S3C_SDHCI_CLK_DIV_EXTERNAL,
 121 };
 122
 123 static void lcd_lte480wv_set_power(struct plat_lcd_data *pd,
 124                                    unsigned int power)
 125 {
 126         if (power) {
 127 #if !defined(CONFIG_BACKLIGHT_PWM)
 128                 gpio_request_one(EXYNOS4_GPD0(1), GPIOF_OUT_INIT_HIGH, "GPD0");
 129                 gpio_free(EXYNOS4_GPD0(1));
 130 #endif
 131                 /* fire nRESET on power up */
 132                 gpio_request_one(EXYNOS4_GPX0(6), GPIOF_OUT_INIT_HIGH, "GPX0");
 133                 mdelay(100);
 134
 135                 gpio_set_value(EXYNOS4_GPX0(6), 0);
 136                 mdelay(10);
 137
 138                 gpio_set_value(EXYNOS4_GPX0(6), 1);
 139                 mdelay(10);
 140
 141                 gpio_free(EXYNOS4_GPX0(6));
 142         } else {
 143 #if !defined(CONFIG_BACKLIGHT_PWM)
 144                 gpio_request_one(EXYNOS4_GPD0(1), GPIOF_OUT_INIT_LOW, "GPD0");
 145                 gpio_free(EXYNOS4_GPD0(1));
 146 #endif
 147         }
 148 }
 149
 150 static struct plat_lcd_data smdkv310_lcd_lte480wv_data = {
 151         .set_power              = lcd_lte480wv_set_power,
 152 };
 153
 154 static struct platform_device smdkv310_lcd_lte480wv = {
 155         .name                   = "platform-lcd",
 156         .dev.parent             = &s5p_device_fimd0.dev,
 157         .dev.platform_data      = &smdkv310_lcd_lte480wv_data,
 158 };
 159
 160 static struct s3c_fb_pd_win smdkv310_fb_win0 = {
 161         .win_mode = {
 162                 .left_margin    = 13,
 163                 .right_margin   = 8,
 164                 .upper_margin   = 7,
 165                 .lower_margin   = 5,
 166                 .hsync_len      = 3,
 167                 .vsync_len      = 1,
 168                 .xres           = 800,
 169                 .yres           = 480,
 170         },
 171         .max_bpp                = 32,
 172         .default_bpp            = 24,
 173 };
 174
 175 static struct s3c_fb_platdata smdkv310_lcd0_pdata __initdata = {
 176         .win[0]         = &smdkv310_fb_win0,
 177         .vidcon0        = VIDCON0_VIDOUT_RGB | VIDCON0_PNRMODE_RGB,
 178         .vidcon1        = VIDCON1_INV_HSYNC | VIDCON1_INV_VSYNC,
 179         .setup_gpio     = exynos4_fimd0_gpio_setup_24bpp,
 180 };
 181
 182 static struct resource smdkv310_smsc911x_resources[] = {
 183         [0] = {
 184                 .start  = EXYNOS4_PA_SROM_BANK(1),
 185                 .end    = EXYNOS4_PA_SROM_BANK(1) + SZ_64K - 1,
 186                 .flags  = IORESOURCE_MEM,
 187         },
 188         [1] = {
 189                 .start  = IRQ_EINT(5),
 190                 .end    = IRQ_EINT(5),
 191                 .flags  = IORESOURCE_IRQ | IRQF_TRIGGER_LOW,
 192         },
 193 };
 194
 195 static struct smsc911x_platform_config smsc9215_config = {
 196         .irq_polarity   = SMSC911X_IRQ_POLARITY_ACTIVE_LOW,
 197         .irq_type       = SMSC911X_IRQ_TYPE_PUSH_PULL,
 198         .flags          = SMSC911X_USE_16BIT | SMSC911X_FORCE_INTERNAL_PHY,
 199         .phy_interface  = PHY_INTERFACE_MODE_MII,
 200         .mac            = {0x00, 0x80, 0x00, 0x23, 0x45, 0x67},
 201 };
 202
 203 static struct platform_device smdkv310_smsc911x = {
 204         .name           = "smsc911x",
 205         .id             = -1,
 206         .num_resources  = ARRAY_SIZE(smdkv310_smsc911x_resources),
 207         .resource       = smdkv310_smsc911x_resources,
 208         .dev            = {
 209                 .platform_data  = &smsc9215_config,
 210         },
 211 };
 212
 213 static uint32_t smdkv310_keymap[] __initdata = {
 214         /* KEY(row, col, keycode) */
 215         KEY(0, 3, KEY_1), KEY(0, 4, KEY_2), KEY(0, 5, KEY_3),
 216         KEY(0, 6, KEY_4), KEY(0, 7, KEY_5),
 217         KEY(1, 3, KEY_A), KEY(1, 4, KEY_B), KEY(1, 5, KEY_C),
 218         KEY(1, 6, KEY_D), KEY(1, 7, KEY_E)
 219 };
 220
 221 static struct matrix_keymap_data smdkv310_keymap_data __initdata = {
 222         .keymap         = smdkv310_keymap,
 223         .keymap_size    = ARRAY_SIZE(smdkv310_keymap),
 224 };
 225
 226 static struct samsung_keypad_platdata smdkv310_keypad_data __initdata = {
 227         .keymap_data    = &smdkv310_keymap_data,
 228         .rows           = 2,
 229         .cols           = 8,
 230 };
 231
 232 static struct i2c_board_info i2c_devs1[] __initdata = {
 233         {I2C_BOARD_INFO("wm8994", 0x1a),},
 234 };
 235
 236 /* USB EHCI */
 237 static struct s5p_ehci_platdata smdkv310_ehci_pdata;
 238
 239 static void __init smdkv310_ehci_init(void)
 240 {
 241         struct s5p_ehci_platdata *pdata = &smdkv310_ehci_pdata;
 242
 243         s5p_ehci_set_platdata(pdata);
 244 }
 245
 246 static struct platform_device *smdkv310_devices[] __initdata = {
 247         &s3c_device_hsmmc0,
 248         &s3c_device_hsmmc1,
 249         &s3c_device_hsmmc2,
 250         &s3c_device_hsmmc3,
 251         &s3c_device_i2c1,
 252         &s5p_device_i2c_hdmiphy,
 253         &s3c_device_rtc,
 254         &s3c_device_wdt,
 255         &s5p_device_ehci,
 256         &s5p_device_fimc0,
 257         &s5p_device_fimc1,
 258         &s5p_device_fimc2,
 259         &s5p_device_fimc3,
 260         &exynos4_device_ac97,
 261         &exynos4_device_i2s0,
 262         &samsung_device_keypad,
 263         &s5p_device_mfc,
 264         &s5p_device_mfc_l,
 265         &s5p_device_mfc_r,
 266         &exynos4_device_pd[PD_MFC],
 267         &exynos4_device_pd[PD_G3D],
 268         &exynos4_device_pd[PD_LCD0],
 269         &exynos4_device_pd[PD_LCD1],
 270         &exynos4_device_pd[PD_CAM],
 271         &exynos4_device_pd[PD_TV],
 272         &exynos4_device_pd[PD_GPS],
 273         &exynos4_device_spdif,
 274         &exynos4_device_sysmmu,
 275         &samsung_asoc_dma,
 276         &samsung_asoc_idma,
 277         &s5p_device_fimd0,
 278         &smdkv310_lcd_lte480wv,
 279         &smdkv310_smsc911x,
 280         &exynos4_device_ahci,
 281         &s5p_device_hdmi,
 282         &s5p_device_mixer,
 283 };
 284
 285 static void __init smdkv310_smsc911x_init(void)
 286 {
 287         u32 cs1;
 288
 289         /* configure nCS1 width to 16 bits */
 290         cs1 = __raw_readl(S5P_SROM_BW) &
 291                 ~(S5P_SROM_BW__CS_MASK << S5P_SROM_BW__NCS1__SHIFT);
 292         cs1 |= ((1 << S5P_SROM_BW__DATAWIDTH__SHIFT) |
 293                 (1 << S5P_SROM_BW__WAITENABLE__SHIFT) |
 294                 (1 << S5P_SROM_BW__BYTEENABLE__SHIFT)) <<
 295                 S5P_SROM_BW__NCS1__SHIFT;
 296         __raw_writel(cs1, S5P_SROM_BW);
 297
 298         /* set timing for nCS1 suitable for ethernet chip */
 299         __raw_writel((0x1 << S5P_SROM_BCX__PMC__SHIFT) |
 300                      (0x9 << S5P_SROM_BCX__TACP__SHIFT) |
 301                      (0xc << S5P_SROM_BCX__TCAH__SHIFT) |
 302                      (0x1 << S5P_SROM_BCX__TCOH__SHIFT) |
 303                      (0x6 << S5P_SROM_BCX__TACC__SHIFT) |
 304                      (0x1 << S5P_SROM_BCX__TCOS__SHIFT) |
 305                      (0x1 << S5P_SROM_BCX__TACS__SHIFT), S5P_SROM_BC1);
 306 }
 307
 308 /* LCD Backlight data */
 309 static struct samsung_bl_gpio_info smdkv310_bl_gpio_info = {
 310         .no = EXYNOS4_GPD0(1),
 311         .func = S3C_GPIO_SFN(2),
 312 };
 313
 314 static struct platform_pwm_backlight_data smdkv310_bl_data = {
 315         .pwm_id = 1,
 316         .pwm_period_ns  = 1000,
 317 };
 318
 319 static void s5p_tv_setup(void)
 320 {
 321         /* direct HPD to HDMI chip */
 322         WARN_ON(gpio_request_one(EXYNOS4_GPX3(7), GPIOF_IN, "hpd-plug"));
 323         s3c_gpio_cfgpin(EXYNOS4_GPX3(7), S3C_GPIO_SFN(0x3));
 324         s3c_gpio_setpull(EXYNOS4_GPX3(7), S3C_GPIO_PULL_NONE);
 325
 326         /* setup dependencies between TV devices */
 327         s5p_device_hdmi.dev.parent = &exynos4_device_pd[PD_TV].dev;
 328         s5p_device_mixer.dev.parent = &exynos4_device_pd[PD_TV].dev;
 329 }
 330
 331 static void __init smdkv310_map_io(void)
 332 {
 333         s5p_init_io(NULL, 0, S5P_VA_CHIPID);
 334         s3c24xx_init_clocks(24000000);
 335         s3c24xx_init_uarts(smdkv310_uartcfgs, ARRAY_SIZE(smdkv310_uartcfgs));
 336 }
 337
 338 static void __init smdkv310_reserve(void)
 339 {
 340         s5p_mfc_reserve_mem(0x43000000, 8 << 20, 0x51000000, 8 << 20);
 341 }
 342
 343 static void __init smdkv310_machine_init(void)
 344 {
 345         s3c_i2c1_set_platdata(NULL);
 346         i2c_register_board_info(1, i2c_devs1, ARRAY_SIZE(i2c_devs1));
 347
 348         smdkv310_smsc911x_init();
 349
 350         s3c_sdhci0_set_platdata(&smdkv310_hsmmc0_pdata);
 351         s3c_sdhci1_set_platdata(&smdkv310_hsmmc1_pdata);
 352         s3c_sdhci2_set_platdata(&smdkv310_hsmmc2_pdata);
 353         s3c_sdhci3_set_platdata(&smdkv310_hsmmc3_pdata);
 354
 355         s5p_tv_setup();
 356         s5p_i2c_hdmiphy_set_platdata(NULL);
 357
 358         samsung_keypad_set_platdata(&smdkv310_keypad_data);
 359
 360         samsung_bl_set(&smdkv310_bl_gpio_info, &smdkv310_bl_data);
 361         s5p_fimd0_set_platdata(&smdkv310_lcd0_pdata);
 362
 363         smdkv310_ehci_init();
 364         clk_xusbxti.rate = 24000000;
 365
 366         platform_add_devices(smdkv310_devices, ARRAY_SIZE(smdkv310_devices));
 367         s5p_device_mfc.dev.parent = &exynos4_device_pd[PD_MFC].dev;
 368 }
 369
 370 MACHINE_START(SMDKV310, "SMDKV310")
 371         /* Maintainer: Kukjin Kim <kgene.kim@samsung.com> */
 372         /* Maintainer: Changhwan Youn <chaos.youn@samsung.com> */
 373         .atag_offset    = 0x100,
 374         .init_irq       = exynos4_init_irq,
 375         .map_io         = smdkv310_map_io,
 376         .init_machine   = smdkv310_machine_init,
 377         .timer          = &exynos4_timer,
 378         .reserve        = &smdkv310_reserve,
 379 MACHINE_END
 380
 381 MACHINE_START(SMDKC210, "SMDKC210")
 382         /* Maintainer: Kukjin Kim <kgene.kim@samsung.com> */
 383         .atag_offset    = 0x100,
 384         .init_irq       = exynos4_init_irq,
 385         .map_io         = smdkv310_map_io,
 386         .init_machine   = smdkv310_machine_init,
 387         .timer          = &exynos4_timer,
 388 MACHINE_END