arch/arm/mach-shmobile/board-ag5evm.c

   1 /*
   2  * arch/arm/mach-shmobile/board-ag5evm.c
   3  *
   4  * Copyright (C) 2010  Takashi Yoshii <yoshii.takashi.zj@renesas.com>
   5  * Copyright (C) 2009  Yoshihiro Shimoda <shimoda.yoshihiro@renesas.com>
   6  *
   7  * This program is free software; you can redistribute it and/or modify
   8  * it under the terms of the GNU General Public License as published by
   9  * the Free Software Foundation; version 2 of the License.
  10  *
  11  * This program is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  * GNU General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU General Public License
  17  * along with this program; if not, write to the Free Software
  18  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
  19  *
  20  */
  21
  22 #include <linux/kernel.h>
  23 #include <linux/init.h>
  24 #include <linux/interrupt.h>
  25 #include <linux/irq.h>
  26 #include <linux/platform_device.h>
  27 #include <linux/delay.h>
  28 #include <linux/io.h>
  29 #include <linux/dma-mapping.h>
  30 #include <linux/serial_sci.h>
  31 #include <linux/smsc911x.h>
  32 #include <linux/gpio.h>
  33 #include <linux/videodev2.h>
  34 #include <linux/input.h>
  35 #include <linux/input/sh_keysc.h>
  36 #include <linux/mmc/host.h>
  37 #include <linux/mmc/sh_mmcif.h>
  38 #include <linux/mmc/sh_mobile_sdhi.h>
  39 #include <linux/mfd/tmio.h>
  40 #include <linux/sh_clk.h>
  41 #include <linux/videodev2.h>
  42 #include <video/sh_mobile_lcdc.h>
  43 #include <video/sh_mipi_dsi.h>
  44 #include <sound/sh_fsi.h>
  45 #include <mach/hardware.h>
  46 #include <mach/sh73a0.h>
  47 #include <mach/common.h>
  48 #include <asm/mach-types.h>
  49 #include <asm/mach/arch.h>
  50 #include <asm/mach/map.h>
  51 #include <asm/mach/time.h>
  52 #include <asm/hardware/gic.h>
  53 #include <asm/hardware/cache-l2x0.h>
  54 #include <asm/traps.h>
  55
  56 static struct resource smsc9220_resources[] = {
  57         [0] = {
  58                 .start          = 0x14000000,
  59                 .end            = 0x14000000 + SZ_64K - 1,
  60                 .flags          = IORESOURCE_MEM,
  61         },
  62         [1] = {
  63                 .start          = SH73A0_PINT0_IRQ(2), /* PINTA2 */
  64                 .flags          = IORESOURCE_IRQ,
  65         },
  66 };
  67
  68 static struct smsc911x_platform_config smsc9220_platdata = {
  69         .flags          = SMSC911X_USE_32BIT | SMSC911X_SAVE_MAC_ADDRESS,
  70         .phy_interface  = PHY_INTERFACE_MODE_MII,
  71         .irq_polarity   = SMSC911X_IRQ_POLARITY_ACTIVE_LOW,
  72         .irq_type       = SMSC911X_IRQ_TYPE_PUSH_PULL,
  73 };
  74
  75 static struct platform_device eth_device = {
  76         .name           = "smsc911x",
  77         .id             = 0,
  78         .dev  = {
  79                 .platform_data = &smsc9220_platdata,
  80         },
  81         .resource       = smsc9220_resources,
  82         .num_resources  = ARRAY_SIZE(smsc9220_resources),
  83 };
  84
  85 static struct sh_keysc_info keysc_platdata = {
  86         .mode           = SH_KEYSC_MODE_6,
  87         .scan_timing    = 3,
  88         .delay          = 100,
  89         .keycodes       = {
  90                 KEY_A, KEY_B, KEY_C, KEY_D, KEY_E, KEY_F, KEY_G,
  91                 KEY_H, KEY_I, KEY_J, KEY_K, KEY_L, KEY_M, KEY_N,
  92                 KEY_O, KEY_P, KEY_Q, KEY_R, KEY_S, KEY_T, KEY_U,
  93                 KEY_V, KEY_W, KEY_X, KEY_Y, KEY_Z, KEY_HOME, KEY_SLEEP,
  94                 KEY_SPACE, KEY_9, KEY_6, KEY_3, KEY_WAKEUP, KEY_RIGHT, \
  95                 KEY_COFFEE,
  96                 KEY_0, KEY_8, KEY_5, KEY_2, KEY_DOWN, KEY_ENTER, KEY_UP,
  97                 KEY_KPASTERISK, KEY_7, KEY_4, KEY_1, KEY_STOP, KEY_LEFT, \
  98                 KEY_COMPUTER,
  99         },
 100 };
 101
 102 static struct resource keysc_resources[] = {
 103         [0] = {
 104                 .name   = "KEYSC",
 105                 .start  = 0xe61b0000,
 106                 .end    = 0xe61b0098 - 1,
 107                 .flags  = IORESOURCE_MEM,
 108         },
 109         [1] = {
 110                 .start  = gic_spi(71),
 111                 .flags  = IORESOURCE_IRQ,
 112         },
 113 };
 114
 115 static struct platform_device keysc_device = {
 116         .name           = "sh_keysc",
 117         .id             = 0,
 118         .num_resources  = ARRAY_SIZE(keysc_resources),
 119         .resource       = keysc_resources,
 120         .dev            = {
 121                 .platform_data  = &keysc_platdata,
 122         },
 123 };
 124
 125 /* FSI A */
 126 static struct resource fsi_resources[] = {
 127         [0] = {
 128                 .name   = "FSI",
 129                 .start  = 0xEC230000,
 130                 .end    = 0xEC230400 - 1,
 131                 .flags  = IORESOURCE_MEM,
 132         },
 133         [1] = {
 134                 .start  = gic_spi(146),
 135                 .flags  = IORESOURCE_IRQ,
 136         },
 137 };
 138
 139 static struct platform_device fsi_device = {
 140         .name           = "sh_fsi2",
 141         .id             = -1,
 142         .num_resources  = ARRAY_SIZE(fsi_resources),
 143         .resource       = fsi_resources,
 144 };
 145
 146 static struct resource sh_mmcif_resources[] = {
 147         [0] = {
 148                 .name   = "MMCIF",
 149                 .start  = 0xe6bd0000,
 150                 .end    = 0xe6bd00ff,
 151                 .flags  = IORESOURCE_MEM,
 152         },
 153         [1] = {
 154                 .start  = gic_spi(141),
 155                 .flags  = IORESOURCE_IRQ,
 156         },
 157         [2] = {
 158                 .start  = gic_spi(140),
 159                 .flags  = IORESOURCE_IRQ,
 160         },
 161 };
 162
 163 static struct sh_mmcif_plat_data sh_mmcif_platdata = {
 164         .sup_pclk       = 0,
 165         .ocr            = MMC_VDD_165_195,
 166         .caps           = MMC_CAP_8_BIT_DATA | MMC_CAP_NONREMOVABLE,
 167         .slave_id_tx    = SHDMA_SLAVE_MMCIF_TX,
 168         .slave_id_rx    = SHDMA_SLAVE_MMCIF_RX,
 169 };
 170
 171 static struct platform_device mmc_device = {
 172         .name           = "sh_mmcif",
 173         .id             = 0,
 174         .dev            = {
 175                 .dma_mask               = NULL,
 176                 .coherent_dma_mask      = 0xffffffff,
 177                 .platform_data          = &sh_mmcif_platdata,
 178         },
 179         .num_resources  = ARRAY_SIZE(sh_mmcif_resources),
 180         .resource       = sh_mmcif_resources,
 181 };
 182
 183 /* IrDA */
 184 static struct resource irda_resources[] = {
 185         [0] = {
 186                 .start  = 0xE6D00000,
 187                 .end    = 0xE6D01FD4 - 1,
 188                 .flags  = IORESOURCE_MEM,
 189         },
 190         [1] = {
 191                 .start  = gic_spi(95),
 192                 .flags  = IORESOURCE_IRQ,
 193         },
 194 };
 195
 196 static struct platform_device irda_device = {
 197         .name           = "sh_irda",
 198         .id             = 0,
 199         .resource       = irda_resources,
 200         .num_resources  = ARRAY_SIZE(irda_resources),
 201 };
 202
 203 static unsigned char lcd_backlight_seq[3][2] = {
 204         { 0x04, 0x07 },
 205         { 0x23, 0x80 },
 206         { 0x03, 0x01 },
 207 };
 208
 209 static void lcd_backlight_on(void)
 210 {
 211         struct i2c_adapter *a;
 212         struct i2c_msg msg;
 213         int k;
 214
 215         a = i2c_get_adapter(1);
 216         for (k = 0; a && k < 3; k++) {
 217                 msg.addr = 0x6d;
 218                 msg.buf = &lcd_backlight_seq[k][0];
 219                 msg.len = 2;
 220                 msg.flags = 0;
 221                 if (i2c_transfer(a, &msg, 1) != 1)
 222                         break;
 223         }
 224 }
 225
 226 static void lcd_backlight_reset(void)
 227 {
 228         gpio_set_value(GPIO_PORT235, 0);
 229         mdelay(24);
 230         gpio_set_value(GPIO_PORT235, 1);
 231 }
 232
 233 static void lcd_on(void *board_data, struct fb_info *info)
 234 {
 235         lcd_backlight_on();
 236 }
 237
 238 static void lcd_off(void *board_data)
 239 {
 240         lcd_backlight_reset();
 241 }
 242
 243 /* LCDC0 */
 244 static const struct fb_videomode lcdc0_modes[] = {
 245         {
 246                 .name           = "R63302(QHD)",
 247                 .xres           = 544,
 248                 .yres           = 961,
 249                 .left_margin    = 72,
 250                 .right_margin   = 600,
 251                 .hsync_len      = 16,
 252                 .upper_margin   = 8,
 253                 .lower_margin   = 8,
 254                 .vsync_len      = 2,
 255                 .sync           = FB_SYNC_VERT_HIGH_ACT | FB_SYNC_HOR_HIGH_ACT,
 256         },
 257 };
 258
 259 static struct sh_mobile_lcdc_info lcdc0_info = {
 260         .clock_source = LCDC_CLK_PERIPHERAL,
 261         .ch[0] = {
 262                 .chan = LCDC_CHAN_MAINLCD,
 263                 .interface_type = RGB24,
 264                 .clock_divider = 1,
 265                 .flags = LCDC_FLAGS_DWPOL,
 266                 .lcd_size_cfg.width = 44,
 267                 .lcd_size_cfg.height = 79,
 268                 .fourcc = V4L2_PIX_FMT_RGB565,
 269                 .lcd_cfg = lcdc0_modes,
 270                 .num_cfg = ARRAY_SIZE(lcdc0_modes),
 271                 .board_cfg = {
 272                         .display_on = lcd_on,
 273                         .display_off = lcd_off,
 274                 },
 275         }
 276 };
 277
 278 static struct resource lcdc0_resources[] = {
 279         [0] = {
 280                 .name   = "LCDC0",
 281                 .start  = 0xfe940000, /* P4-only space */
 282                 .end    = 0xfe943fff,
 283                 .flags  = IORESOURCE_MEM,
 284         },
 285         [1] = {
 286                 .start  = intcs_evt2irq(0x580),
 287                 .flags  = IORESOURCE_IRQ,
 288         },
 289 };
 290
 291 static struct platform_device lcdc0_device = {
 292         .name           = "sh_mobile_lcdc_fb",
 293         .num_resources  = ARRAY_SIZE(lcdc0_resources),
 294         .resource       = lcdc0_resources,
 295         .id             = 0,
 296         .dev    = {
 297                 .platform_data  = &lcdc0_info,
 298                 .coherent_dma_mask = ~0,
 299         },
 300 };
 301
 302 /* MIPI-DSI */
 303 static struct resource mipidsi0_resources[] = {
 304         [0] = {
 305                 .name   = "DSI0",
 306                 .start  = 0xfeab0000,
 307                 .end    = 0xfeab3fff,
 308                 .flags  = IORESOURCE_MEM,
 309         },
 310         [1] = {
 311                 .name   = "DSI0",
 312                 .start  = 0xfeab4000,
 313                 .end    = 0xfeab7fff,
 314                 .flags  = IORESOURCE_MEM,
 315         },
 316 };
 317
 318 static int sh_mipi_set_dot_clock(struct platform_device *pdev,
 319                                  void __iomem *base,
 320                                  int enable)
 321 {
 322         struct clk *pck, *phy;
 323         int ret;
 324
 325         pck = clk_get(&pdev->dev, "dsip_clk");
 326         if (IS_ERR(pck)) {
 327                 ret = PTR_ERR(pck);
 328                 goto sh_mipi_set_dot_clock_pck_err;
 329         }
 330
 331         phy = clk_get(&pdev->dev, "dsiphy_clk");
 332         if (IS_ERR(phy)) {
 333                 ret = PTR_ERR(phy);
 334                 goto sh_mipi_set_dot_clock_phy_err;
 335         }
 336
 337         if (enable) {
 338                 clk_set_rate(pck, clk_round_rate(pck,  24000000));
 339                 clk_set_rate(phy, clk_round_rate(pck, 510000000));
 340                 clk_enable(pck);
 341                 clk_enable(phy);
 342         } else {
 343                 clk_disable(pck);
 344                 clk_disable(phy);
 345         }
 346
 347         ret = 0;
 348
 349         clk_put(phy);
 350 sh_mipi_set_dot_clock_phy_err:
 351         clk_put(pck);
 352 sh_mipi_set_dot_clock_pck_err:
 353         return ret;
 354 }
 355
 356 static struct sh_mipi_dsi_info mipidsi0_info = {
 357         .data_format    = MIPI_RGB888,
 358         .lcd_chan       = &lcdc0_info.ch[0],
 359         .lane           = 2,
 360         .vsynw_offset   = 20,
 361         .clksrc         = 1,
 362         .flags          = SH_MIPI_DSI_HSABM             |
 363                           SH_MIPI_DSI_SYNC_PULSES_MODE  |
 364                           SH_MIPI_DSI_HSbyteCLK,
 365         .set_dot_clock  = sh_mipi_set_dot_clock,
 366 };
 367
 368 static struct platform_device mipidsi0_device = {
 369         .name           = "sh-mipi-dsi",
 370         .num_resources  = ARRAY_SIZE(mipidsi0_resources),
 371         .resource       = mipidsi0_resources,
 372         .id             = 0,
 373         .dev    = {
 374                 .platform_data  = &mipidsi0_info,
 375         },
 376 };
 377
 378 /* SDHI0 */
 379 static irqreturn_t ag5evm_sdhi0_gpio_cd(int irq, void *arg)
 380 {
 381         struct device *dev = arg;
 382         struct sh_mobile_sdhi_info *info = dev->platform_data;
 383         struct tmio_mmc_data *pdata = info->pdata;
 384
 385         tmio_mmc_cd_wakeup(pdata);
 386
 387         return IRQ_HANDLED;
 388 }
 389
 390 static struct sh_mobile_sdhi_info sdhi0_info = {
 391         .dma_slave_tx   = SHDMA_SLAVE_SDHI0_TX,
 392         .dma_slave_rx   = SHDMA_SLAVE_SDHI0_RX,
 393         .tmio_flags     = TMIO_MMC_HAS_IDLE_WAIT,
 394         .tmio_caps      = MMC_CAP_SD_HIGHSPEED,
 395         .tmio_ocr_mask  = MMC_VDD_27_28 | MMC_VDD_28_29,
 396 };
 397
 398 static struct resource sdhi0_resources[] = {
 399         [0] = {
 400                 .name   = "SDHI0",
 401                 .start  = 0xee100000,
 402                 .end    = 0xee1000ff,
 403                 .flags  = IORESOURCE_MEM,
 404         },
 405         [1] = {
 406                 .name   = SH_MOBILE_SDHI_IRQ_CARD_DETECT,
 407                 .start  = gic_spi(83),
 408                 .flags  = IORESOURCE_IRQ,
 409         },
 410         [2] = {
 411                 .name   = SH_MOBILE_SDHI_IRQ_SDCARD,
 412                 .start  = gic_spi(84),
 413                 .flags  = IORESOURCE_IRQ,
 414         },
 415         [3] = {
 416                 .name   = SH_MOBILE_SDHI_IRQ_SDIO,
 417                 .start  = gic_spi(85),
 418                 .flags  = IORESOURCE_IRQ,
 419         },
 420 };
 421
 422 static struct platform_device sdhi0_device = {
 423         .name           = "sh_mobile_sdhi",
 424         .id             = 0,
 425         .num_resources  = ARRAY_SIZE(sdhi0_resources),
 426         .resource       = sdhi0_resources,
 427         .dev    = {
 428                 .platform_data  = &sdhi0_info,
 429         },
 430 };
 431
 432 void ag5evm_sdhi1_set_pwr(struct platform_device *pdev, int state)
 433 {
 434         gpio_set_value(GPIO_PORT114, state);
 435 }
 436
 437 static struct sh_mobile_sdhi_info sh_sdhi1_info = {
 438         .tmio_flags     = TMIO_MMC_WRPROTECT_DISABLE | TMIO_MMC_HAS_IDLE_WAIT,
 439         .tmio_caps      = MMC_CAP_NONREMOVABLE | MMC_CAP_SDIO_IRQ,
 440         .tmio_ocr_mask  = MMC_VDD_32_33 | MMC_VDD_33_34,
 441         .set_pwr        = ag5evm_sdhi1_set_pwr,
 442 };
 443
 444 static struct resource sdhi1_resources[] = {
 445         [0] = {
 446                 .name   = "SDHI1",
 447                 .start  = 0xee120000,
 448                 .end    = 0xee1200ff,
 449                 .flags  = IORESOURCE_MEM,
 450         },
 451         [1] = {
 452                 .name   = SH_MOBILE_SDHI_IRQ_CARD_DETECT,
 453                 .start  = gic_spi(87),
 454                 .flags  = IORESOURCE_IRQ,
 455         },
 456         [2] = {
 457                 .name   = SH_MOBILE_SDHI_IRQ_SDCARD,
 458                 .start  = gic_spi(88),
 459                 .flags  = IORESOURCE_IRQ,
 460         },
 461         [3] = {
 462                 .name   = SH_MOBILE_SDHI_IRQ_SDIO,
 463                 .start  = gic_spi(89),
 464                 .flags  = IORESOURCE_IRQ,
 465         },
 466 };
 467
 468 static struct platform_device sdhi1_device = {
 469         .name           = "sh_mobile_sdhi",
 470         .id             = 1,
 471         .dev            = {
 472                 .platform_data  = &sh_sdhi1_info,
 473         },
 474         .num_resources  = ARRAY_SIZE(sdhi1_resources),
 475         .resource       = sdhi1_resources,
 476 };
 477
 478 static struct platform_device *ag5evm_devices[] __initdata = {
 479         &eth_device,
 480         &keysc_device,
 481         &fsi_device,
 482         &mmc_device,
 483         &irda_device,
 484         &lcdc0_device,
 485         &mipidsi0_device,
 486         &sdhi0_device,
 487         &sdhi1_device,
 488 };
 489
 490 static struct map_desc ag5evm_io_desc[] __initdata = {
 491         /* create a 1:1 entity map for 0xe6xxxxxx
 492          * used by CPGA, INTC and PFC.
 493          */
 494         {
 495                 .virtual        = 0xe6000000,
 496                 .pfn            = __phys_to_pfn(0xe6000000),
 497                 .length         = 256 << 20,
 498                 .type           = MT_DEVICE_NONSHARED
 499         },
 500 };
 501
 502 static void __init ag5evm_map_io(void)
 503 {
 504         iotable_init(ag5evm_io_desc, ARRAY_SIZE(ag5evm_io_desc));
 505
 506         /* setup early devices and console here as well */
 507         sh73a0_add_early_devices();
 508         shmobile_setup_console();
 509 }
 510
 511 static void __init ag5evm_init(void)
 512 {
 513         sh73a0_pinmux_init();
 514
 515         /* enable SCIFA2 */
 516         gpio_request(GPIO_FN_SCIFA2_TXD1, NULL);
 517         gpio_request(GPIO_FN_SCIFA2_RXD1, NULL);
 518         gpio_request(GPIO_FN_SCIFA2_RTS1_, NULL);
 519         gpio_request(GPIO_FN_SCIFA2_CTS1_, NULL);
 520
 521         /* enable KEYSC */
 522         gpio_request(GPIO_FN_KEYIN0_PU, NULL);
 523         gpio_request(GPIO_FN_KEYIN1_PU, NULL);
 524         gpio_request(GPIO_FN_KEYIN2_PU, NULL);
 525         gpio_request(GPIO_FN_KEYIN3_PU, NULL);
 526         gpio_request(GPIO_FN_KEYIN4_PU, NULL);
 527         gpio_request(GPIO_FN_KEYIN5_PU, NULL);
 528         gpio_request(GPIO_FN_KEYIN6_PU, NULL);
 529         gpio_request(GPIO_FN_KEYIN7_PU, NULL);
 530         gpio_request(GPIO_FN_KEYOUT0, NULL);
 531         gpio_request(GPIO_FN_KEYOUT1, NULL);
 532         gpio_request(GPIO_FN_KEYOUT2, NULL);
 533         gpio_request(GPIO_FN_KEYOUT3, NULL);
 534         gpio_request(GPIO_FN_KEYOUT4, NULL);
 535         gpio_request(GPIO_FN_KEYOUT5, NULL);
 536         gpio_request(GPIO_FN_PORT59_KEYOUT6, NULL);
 537         gpio_request(GPIO_FN_PORT58_KEYOUT7, NULL);
 538         gpio_request(GPIO_FN_KEYOUT8, NULL);
 539         gpio_request(GPIO_FN_PORT149_KEYOUT9, NULL);
 540
 541         /* enable I2C channel 2 and 3 */
 542         gpio_request(GPIO_FN_PORT236_I2C_SDA2, NULL);
 543         gpio_request(GPIO_FN_PORT237_I2C_SCL2, NULL);
 544         gpio_request(GPIO_FN_PORT248_I2C_SCL3, NULL);
 545         gpio_request(GPIO_FN_PORT249_I2C_SDA3, NULL);
 546
 547         /* enable MMCIF */
 548         gpio_request(GPIO_FN_MMCCLK0, NULL);
 549         gpio_request(GPIO_FN_MMCCMD0_PU, NULL);
 550         gpio_request(GPIO_FN_MMCD0_0_PU, NULL);
 551         gpio_request(GPIO_FN_MMCD0_1_PU, NULL);
 552         gpio_request(GPIO_FN_MMCD0_2_PU, NULL);
 553         gpio_request(GPIO_FN_MMCD0_3_PU, NULL);
 554         gpio_request(GPIO_FN_MMCD0_4_PU, NULL);
 555         gpio_request(GPIO_FN_MMCD0_5_PU, NULL);
 556         gpio_request(GPIO_FN_MMCD0_6_PU, NULL);
 557         gpio_request(GPIO_FN_MMCD0_7_PU, NULL);
 558         gpio_request(GPIO_PORT208, NULL); /* Reset */
 559         gpio_direction_output(GPIO_PORT208, 1);
 560
 561         /* enable SMSC911X */
 562         gpio_request(GPIO_PORT144, NULL); /* PINTA2 */
 563         gpio_direction_input(GPIO_PORT144);
 564         gpio_request(GPIO_PORT145, NULL); /* RESET */
 565         gpio_direction_output(GPIO_PORT145, 1);
 566
 567         /* FSI A */
 568         gpio_request(GPIO_FN_FSIACK, NULL);
 569         gpio_request(GPIO_FN_FSIAILR, NULL);
 570         gpio_request(GPIO_FN_FSIAIBT, NULL);
 571         gpio_request(GPIO_FN_FSIAISLD, NULL);
 572         gpio_request(GPIO_FN_FSIAOSLD, NULL);
 573
 574         /* IrDA */
 575         gpio_request(GPIO_FN_PORT241_IRDA_OUT, NULL);
 576         gpio_request(GPIO_FN_PORT242_IRDA_IN,  NULL);
 577         gpio_request(GPIO_FN_PORT243_IRDA_FIRSEL, NULL);
 578
 579         /* LCD panel */
 580         gpio_request(GPIO_PORT217, NULL); /* RESET */
 581         gpio_direction_output(GPIO_PORT217, 0);
 582         mdelay(1);
 583         gpio_set_value(GPIO_PORT217, 1);
 584         mdelay(100);
 585
 586         /* LCD backlight controller */
 587         gpio_request(GPIO_PORT235, NULL); /* RESET */
 588         gpio_direction_output(GPIO_PORT235, 0);
 589         lcd_backlight_reset();
 590
 591         /* enable SDHI0 on CN15 [SD I/F] */
 592         gpio_request(GPIO_FN_SDHICD0, NULL);
 593         gpio_request(GPIO_FN_SDHIWP0, NULL);
 594         gpio_request(GPIO_FN_SDHICMD0, NULL);
 595         gpio_request(GPIO_FN_SDHICLK0, NULL);
 596         gpio_request(GPIO_FN_SDHID0_3, NULL);
 597         gpio_request(GPIO_FN_SDHID0_2, NULL);
 598         gpio_request(GPIO_FN_SDHID0_1, NULL);
 599         gpio_request(GPIO_FN_SDHID0_0, NULL);
 600
 601         if (!request_irq(intcs_evt2irq(0x3c0), ag5evm_sdhi0_gpio_cd,
 602                          IRQF_TRIGGER_FALLING | IRQF_TRIGGER_RISING,
 603                          "sdhi0 cd", &sdhi0_device.dev))
 604                 sdhi0_info.tmio_flags |= TMIO_MMC_HAS_COLD_CD;
 605         else
 606                 pr_warn("Unable to setup SDHI0 GPIO IRQ\n");
 607
 608         /* enable SDHI1 on CN4 [WLAN I/F] */
 609         gpio_request(GPIO_FN_SDHICLK1, NULL);
 610         gpio_request(GPIO_FN_SDHICMD1_PU, NULL);
 611         gpio_request(GPIO_FN_SDHID1_3_PU, NULL);
 612         gpio_request(GPIO_FN_SDHID1_2_PU, NULL);
 613         gpio_request(GPIO_FN_SDHID1_1_PU, NULL);
 614         gpio_request(GPIO_FN_SDHID1_0_PU, NULL);
 615         gpio_request(GPIO_PORT114, "sdhi1_power");
 616         gpio_direction_output(GPIO_PORT114, 0);
 617
 618 #ifdef CONFIG_CACHE_L2X0
 619         /* Shared attribute override enable, 64K*8way */
 620         l2x0_init(__io(0xf0100000), 0x00460000, 0xc2000fff);
 621 #endif
 622         sh73a0_add_standard_devices();
 623         platform_add_devices(ag5evm_devices, ARRAY_SIZE(ag5evm_devices));
 624 }
 625
 626 static void __init ag5evm_timer_init(void)
 627 {
 628         sh73a0_clock_init();
 629         shmobile_timer.init();
 630         return;
 631 }
 632
 633 struct sys_timer ag5evm_timer = {
 634         .init   = ag5evm_timer_init,
 635 };
 636
 637 MACHINE_START(AG5EVM, "ag5evm")
 638         .map_io         = ag5evm_map_io,
 639         .nr_irqs        = NR_IRQS_LEGACY,
 640         .init_irq       = sh73a0_init_irq,
 641         .handle_irq     = gic_handle_irq,
 642         .init_machine   = ag5evm_init,
 643         .timer          = &ag5evm_timer,
 644 MACHINE_END