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/hardware/gic.h>
  25 #include <asm/mach-types.h>
  26
  27 #include <video/platform_lcd.h>
  28 #include <plat/regs-serial.h>
  29 #include <plat/regs-srom.h>
  30 #include <plat/regs-fb-v4.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 #include <mach/ohci.h>
  46
  47 #include "common.h"
  48
  49 /* Following are default values for UCON, ULCON and UFCON UART registers */
  50 #define SMDKV310_UCON_DEFAULT   (S3C2410_UCON_TXILEVEL |        \
  51                                  S3C2410_UCON_RXILEVEL |        \
  52                                  S3C2410_UCON_TXIRQMODE |       \
  53                                  S3C2410_UCON_RXIRQMODE |       \
  54                                  S3C2410_UCON_RXFIFO_TOI |      \
  55                                  S3C2443_UCON_RXERR_IRQEN)
  56
  57 #define SMDKV310_ULCON_DEFAULT  S3C2410_LCON_CS8
  58
  59 #define SMDKV310_UFCON_DEFAULT  (S3C2410_UFCON_FIFOMODE |       \
  60                                  S5PV210_UFCON_TXTRIG4 |        \
  61                                  S5PV210_UFCON_RXTRIG4)
  62
  63 static struct s3c2410_uartcfg smdkv310_uartcfgs[] __initdata = {
  64         [0] = {
  65                 .hwport         = 0,
  66                 .flags          = 0,
  67                 .ucon           = SMDKV310_UCON_DEFAULT,
  68                 .ulcon          = SMDKV310_ULCON_DEFAULT,
  69                 .ufcon          = SMDKV310_UFCON_DEFAULT,
  70         },
  71         [1] = {
  72                 .hwport         = 1,
  73                 .flags          = 0,
  74                 .ucon           = SMDKV310_UCON_DEFAULT,
  75                 .ulcon          = SMDKV310_ULCON_DEFAULT,
  76                 .ufcon          = SMDKV310_UFCON_DEFAULT,
  77         },
  78         [2] = {
  79                 .hwport         = 2,
  80                 .flags          = 0,
  81                 .ucon           = SMDKV310_UCON_DEFAULT,
  82                 .ulcon          = SMDKV310_ULCON_DEFAULT,
  83                 .ufcon          = SMDKV310_UFCON_DEFAULT,
  84         },
  85         [3] = {
  86                 .hwport         = 3,
  87                 .flags          = 0,
  88                 .ucon           = SMDKV310_UCON_DEFAULT,
  89                 .ulcon          = SMDKV310_ULCON_DEFAULT,
  90                 .ufcon          = SMDKV310_UFCON_DEFAULT,
  91         },
  92 };
  93
  94 static struct s3c_sdhci_platdata smdkv310_hsmmc0_pdata __initdata = {
  95         .cd_type                = S3C_SDHCI_CD_INTERNAL,
  96         .clk_type               = S3C_SDHCI_CLK_DIV_EXTERNAL,
  97 #ifdef CONFIG_EXYNOS4_SDHCI_CH0_8BIT
  98         .max_width              = 8,
  99         .host_caps              = MMC_CAP_8_BIT_DATA,
 100 #endif
 101 };
 102
 103 static struct s3c_sdhci_platdata smdkv310_hsmmc1_pdata __initdata = {
 104         .cd_type                = S3C_SDHCI_CD_GPIO,
 105         .ext_cd_gpio            = EXYNOS4_GPK0(2),
 106         .ext_cd_gpio_invert     = 1,
 107         .clk_type               = S3C_SDHCI_CLK_DIV_EXTERNAL,
 108 };
 109
 110 static struct s3c_sdhci_platdata smdkv310_hsmmc2_pdata __initdata = {
 111         .cd_type                = S3C_SDHCI_CD_INTERNAL,
 112         .clk_type               = S3C_SDHCI_CLK_DIV_EXTERNAL,
 113 #ifdef CONFIG_EXYNOS4_SDHCI_CH2_8BIT
 114         .max_width              = 8,
 115         .host_caps              = MMC_CAP_8_BIT_DATA,
 116 #endif
 117 };
 118
 119 static struct s3c_sdhci_platdata smdkv310_hsmmc3_pdata __initdata = {
 120         .cd_type                = S3C_SDHCI_CD_GPIO,
 121         .ext_cd_gpio            = EXYNOS4_GPK2(2),
 122         .ext_cd_gpio_invert     = 1,
 123         .clk_type               = S3C_SDHCI_CLK_DIV_EXTERNAL,
 124 };
 125
 126 static void lcd_lte480wv_set_power(struct plat_lcd_data *pd,
 127                                    unsigned int power)
 128 {
 129         if (power) {
 130 #if !defined(CONFIG_BACKLIGHT_PWM)
 131                 gpio_request_one(EXYNOS4_GPD0(1), GPIOF_OUT_INIT_HIGH, "GPD0");
 132                 gpio_free(EXYNOS4_GPD0(1));
 133 #endif
 134                 /* fire nRESET on power up */
 135                 gpio_request_one(EXYNOS4_GPX0(6), GPIOF_OUT_INIT_HIGH, "GPX0");
 136                 mdelay(100);
 137
 138                 gpio_set_value(EXYNOS4_GPX0(6), 0);
 139                 mdelay(10);
 140
 141                 gpio_set_value(EXYNOS4_GPX0(6), 1);
 142                 mdelay(10);
 143
 144                 gpio_free(EXYNOS4_GPX0(6));
 145         } else {
 146 #if !defined(CONFIG_BACKLIGHT_PWM)
 147                 gpio_request_one(EXYNOS4_GPD0(1), GPIOF_OUT_INIT_LOW, "GPD0");
 148                 gpio_free(EXYNOS4_GPD0(1));
 149 #endif
 150         }
 151 }
 152
 153 static struct plat_lcd_data smdkv310_lcd_lte480wv_data = {
 154         .set_power              = lcd_lte480wv_set_power,
 155 };
 156
 157 static struct platform_device smdkv310_lcd_lte480wv = {
 158         .name                   = "platform-lcd",
 159         .dev.parent             = &s5p_device_fimd0.dev,
 160         .dev.platform_data      = &smdkv310_lcd_lte480wv_data,
 161 };
 162
 163 static struct s3c_fb_pd_win smdkv310_fb_win0 = {
 164         .max_bpp        = 32,
 165         .default_bpp    = 24,
 166         .xres           = 800,
 167         .yres           = 480,
 168 };
 169
 170 static struct fb_videomode smdkv310_lcd_timing = {
 171         .left_margin    = 13,
 172         .right_margin   = 8,
 173         .upper_margin   = 7,
 174         .lower_margin   = 5,
 175         .hsync_len      = 3,
 176         .vsync_len      = 1,
 177         .xres           = 800,
 178         .yres           = 480,
 179 };
 180
 181 static struct s3c_fb_platdata smdkv310_lcd0_pdata __initdata = {
 182         .win[0]         = &smdkv310_fb_win0,
 183         .vtiming        = &smdkv310_lcd_timing,
 184         .vidcon0        = VIDCON0_VIDOUT_RGB | VIDCON0_PNRMODE_RGB,
 185         .vidcon1        = VIDCON1_INV_HSYNC | VIDCON1_INV_VSYNC,
 186         .setup_gpio     = exynos4_fimd0_gpio_setup_24bpp,
 187 };
 188
 189 static struct resource smdkv310_smsc911x_resources[] = {
 190         [0] = {
 191                 .start  = EXYNOS4_PA_SROM_BANK(1),
 192                 .end    = EXYNOS4_PA_SROM_BANK(1) + SZ_64K - 1,
 193                 .flags  = IORESOURCE_MEM,
 194         },
 195         [1] = {
 196                 .start  = IRQ_EINT(5),
 197                 .end    = IRQ_EINT(5),
 198                 .flags  = IORESOURCE_IRQ | IRQF_TRIGGER_LOW,
 199         },
 200 };
 201
 202 static struct smsc911x_platform_config smsc9215_config = {
 203         .irq_polarity   = SMSC911X_IRQ_POLARITY_ACTIVE_LOW,
 204         .irq_type       = SMSC911X_IRQ_TYPE_PUSH_PULL,
 205         .flags          = SMSC911X_USE_16BIT | SMSC911X_FORCE_INTERNAL_PHY,
 206         .phy_interface  = PHY_INTERFACE_MODE_MII,
 207         .mac            = {0x00, 0x80, 0x00, 0x23, 0x45, 0x67},
 208 };
 209
 210 static struct platform_device smdkv310_smsc911x = {
 211         .name           = "smsc911x",
 212         .id             = -1,
 213         .num_resources  = ARRAY_SIZE(smdkv310_smsc911x_resources),
 214         .resource       = smdkv310_smsc911x_resources,
 215         .dev            = {
 216                 .platform_data  = &smsc9215_config,
 217         },
 218 };
 219
 220 static uint32_t smdkv310_keymap[] __initdata = {
 221         /* KEY(row, col, keycode) */
 222         KEY(0, 3, KEY_1), KEY(0, 4, KEY_2), KEY(0, 5, KEY_3),
 223         KEY(0, 6, KEY_4), KEY(0, 7, KEY_5),
 224         KEY(1, 3, KEY_A), KEY(1, 4, KEY_B), KEY(1, 5, KEY_C),
 225         KEY(1, 6, KEY_D), KEY(1, 7, KEY_E)
 226 };
 227
 228 static struct matrix_keymap_data smdkv310_keymap_data __initdata = {
 229         .keymap         = smdkv310_keymap,
 230         .keymap_size    = ARRAY_SIZE(smdkv310_keymap),
 231 };
 232
 233 static struct samsung_keypad_platdata smdkv310_keypad_data __initdata = {
 234         .keymap_data    = &smdkv310_keymap_data,
 235         .rows           = 2,
 236         .cols           = 8,
 237 };
 238
 239 static struct i2c_board_info i2c_devs1[] __initdata = {
 240         {I2C_BOARD_INFO("wm8994", 0x1a),},
 241 };
 242
 243 /* USB EHCI */
 244 static struct s5p_ehci_platdata smdkv310_ehci_pdata;
 245
 246 static void __init smdkv310_ehci_init(void)
 247 {
 248         struct s5p_ehci_platdata *pdata = &smdkv310_ehci_pdata;
 249
 250         s5p_ehci_set_platdata(pdata);
 251 }
 252
 253 /* USB OHCI */
 254 static struct exynos4_ohci_platdata smdkv310_ohci_pdata;
 255
 256 static void __init smdkv310_ohci_init(void)
 257 {
 258         struct exynos4_ohci_platdata *pdata = &smdkv310_ohci_pdata;
 259
 260         exynos4_ohci_set_platdata(pdata);
 261 }
 262
 263 static struct platform_device *smdkv310_devices[] __initdata = {
 264         &s3c_device_hsmmc0,
 265         &s3c_device_hsmmc1,
 266         &s3c_device_hsmmc2,
 267         &s3c_device_hsmmc3,
 268         &s3c_device_i2c1,
 269         &s5p_device_i2c_hdmiphy,
 270         &s3c_device_rtc,
 271         &s3c_device_wdt,
 272         &s5p_device_ehci,
 273         &s5p_device_fimc0,
 274         &s5p_device_fimc1,
 275         &s5p_device_fimc2,
 276         &s5p_device_fimc3,
 277         &s5p_device_fimc_md,
 278         &s5p_device_g2d,
 279         &s5p_device_jpeg,
 280         &exynos4_device_ac97,
 281         &exynos4_device_i2s0,
 282         &exynos4_device_ohci,
 283         &samsung_device_keypad,
 284         &s5p_device_mfc,
 285         &s5p_device_mfc_l,
 286         &s5p_device_mfc_r,
 287         &exynos4_device_spdif,
 288         &exynos4_device_sysmmu,
 289         &samsung_asoc_dma,
 290         &samsung_asoc_idma,
 291         &s5p_device_fimd0,
 292         &smdkv310_lcd_lte480wv,
 293         &smdkv310_smsc911x,
 294         &exynos4_device_ahci,
 295         &s5p_device_hdmi,
 296         &s5p_device_mixer,
 297 };
 298
 299 static void __init smdkv310_smsc911x_init(void)
 300 {
 301         u32 cs1;
 302
 303         /* configure nCS1 width to 16 bits */
 304         cs1 = __raw_readl(S5P_SROM_BW) &
 305                 ~(S5P_SROM_BW__CS_MASK << S5P_SROM_BW__NCS1__SHIFT);
 306         cs1 |= ((1 << S5P_SROM_BW__DATAWIDTH__SHIFT) |
 307                 (1 << S5P_SROM_BW__WAITENABLE__SHIFT) |
 308                 (1 << S5P_SROM_BW__BYTEENABLE__SHIFT)) <<
 309                 S5P_SROM_BW__NCS1__SHIFT;
 310         __raw_writel(cs1, S5P_SROM_BW);
 311
 312         /* set timing for nCS1 suitable for ethernet chip */
 313         __raw_writel((0x1 << S5P_SROM_BCX__PMC__SHIFT) |
 314                      (0x9 << S5P_SROM_BCX__TACP__SHIFT) |
 315                      (0xc << S5P_SROM_BCX__TCAH__SHIFT) |
 316                      (0x1 << S5P_SROM_BCX__TCOH__SHIFT) |
 317                      (0x6 << S5P_SROM_BCX__TACC__SHIFT) |
 318                      (0x1 << S5P_SROM_BCX__TCOS__SHIFT) |
 319                      (0x1 << S5P_SROM_BCX__TACS__SHIFT), S5P_SROM_BC1);
 320 }
 321
 322 /* LCD Backlight data */
 323 static struct samsung_bl_gpio_info smdkv310_bl_gpio_info = {
 324         .no = EXYNOS4_GPD0(1),
 325         .func = S3C_GPIO_SFN(2),
 326 };
 327
 328 static struct platform_pwm_backlight_data smdkv310_bl_data = {
 329         .pwm_id = 1,
 330         .pwm_period_ns  = 1000,
 331 };
 332
 333 static void s5p_tv_setup(void)
 334 {
 335         /* direct HPD to HDMI chip */
 336         WARN_ON(gpio_request_one(EXYNOS4_GPX3(7), GPIOF_IN, "hpd-plug"));
 337         s3c_gpio_cfgpin(EXYNOS4_GPX3(7), S3C_GPIO_SFN(0x3));
 338         s3c_gpio_setpull(EXYNOS4_GPX3(7), S3C_GPIO_PULL_NONE);
 339 }
 340
 341 static void __init smdkv310_map_io(void)
 342 {
 343         exynos_init_io(NULL, 0);
 344         s3c24xx_init_clocks(24000000);
 345         s3c24xx_init_uarts(smdkv310_uartcfgs, ARRAY_SIZE(smdkv310_uartcfgs));
 346 }
 347
 348 static void __init smdkv310_reserve(void)
 349 {
 350         s5p_mfc_reserve_mem(0x43000000, 8 << 20, 0x51000000, 8 << 20);
 351 }
 352
 353 static void __init smdkv310_machine_init(void)
 354 {
 355         s3c_i2c1_set_platdata(NULL);
 356         i2c_register_board_info(1, i2c_devs1, ARRAY_SIZE(i2c_devs1));
 357
 358         smdkv310_smsc911x_init();
 359
 360         s3c_sdhci0_set_platdata(&smdkv310_hsmmc0_pdata);
 361         s3c_sdhci1_set_platdata(&smdkv310_hsmmc1_pdata);
 362         s3c_sdhci2_set_platdata(&smdkv310_hsmmc2_pdata);
 363         s3c_sdhci3_set_platdata(&smdkv310_hsmmc3_pdata);
 364
 365         s5p_tv_setup();
 366         s5p_i2c_hdmiphy_set_platdata(NULL);
 367
 368         samsung_keypad_set_platdata(&smdkv310_keypad_data);
 369
 370         samsung_bl_set(&smdkv310_bl_gpio_info, &smdkv310_bl_data);
 371         s5p_fimd0_set_platdata(&smdkv310_lcd0_pdata);
 372
 373         smdkv310_ehci_init();
 374         smdkv310_ohci_init();
 375         clk_xusbxti.rate = 24000000;
 376
 377         platform_add_devices(smdkv310_devices, ARRAY_SIZE(smdkv310_devices));
 378 }
 379
 380 MACHINE_START(SMDKV310, "SMDKV310")
 381         /* Maintainer: Kukjin Kim <kgene.kim@samsung.com> */
 382         /* Maintainer: Changhwan Youn <chaos.youn@samsung.com> */
 383         .atag_offset    = 0x100,
 384         .init_irq       = exynos4_init_irq,
 385         .map_io         = smdkv310_map_io,
 386         .handle_irq     = gic_handle_irq,
 387         .init_machine   = smdkv310_machine_init,
 388         .timer          = &exynos4_timer,
 389         .reserve        = &smdkv310_reserve,
 390         .restart        = exynos4_restart,
 391 MACHINE_END
 392
 393 MACHINE_START(SMDKC210, "SMDKC210")
 394         /* Maintainer: Kukjin Kim <kgene.kim@samsung.com> */
 395         .atag_offset    = 0x100,
 396         .init_irq       = exynos4_init_irq,
 397         .map_io         = smdkv310_map_io,
 398         .handle_irq     = gic_handle_irq,
 399         .init_machine   = smdkv310_machine_init,
 400         .timer          = &exynos4_timer,
 401         .restart        = exynos4_restart,
 402 MACHINE_END