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/input.h>
  34 #include <linux/input/sh_keysc.h>
  35 #include <linux/mmc/host.h>
  36 #include <linux/mmc/sh_mmcif.h>
  37 #include <linux/mmc/sh_mobile_sdhi.h>
  38 #include <linux/mfd/tmio.h>
  39 #include <linux/sh_clk.h>
  40 #include <linux/dma-mapping.h>
  41 #include <video/sh_mobile_lcdc.h>
  42 #include <video/sh_mipi_dsi.h>
  43 #include <sound/sh_fsi.h>
  44 #include <mach/hardware.h>
  45 #include <mach/sh73a0.h>
  46 #include <mach/common.h>
  47 #include <asm/mach-types.h>
  48 #include <asm/mach/arch.h>
  49 #include <asm/mach/map.h>
  50 #include <asm/mach/time.h>
  51 #include <asm/hardware/gic.h>
  52 #include <asm/hardware/cache-l2x0.h>
  53 #include <asm/traps.h>
  54
  55 static struct resource smsc9220_resources[] = {
  56         [0] = {
  57                 .start          = 0x14000000,
  58                 .end            = 0x14000000 + SZ_64K - 1,
  59                 .flags          = IORESOURCE_MEM,
  60         },
  61         [1] = {
  62                 .start          = SH73A0_PINT0_IRQ(2), /* PINTA2 */
  63                 .flags          = IORESOURCE_IRQ,
  64         },
  65 };
  66
  67 static struct smsc911x_platform_config smsc9220_platdata = {
  68         .flags          = SMSC911X_USE_32BIT | SMSC911X_SAVE_MAC_ADDRESS,
  69         .phy_interface  = PHY_INTERFACE_MODE_MII,
  70         .irq_polarity   = SMSC911X_IRQ_POLARITY_ACTIVE_LOW,
  71         .irq_type       = SMSC911X_IRQ_TYPE_PUSH_PULL,
  72 };
  73
  74 static struct platform_device eth_device = {
  75         .name           = "smsc911x",
  76         .id             = 0,
  77         .dev  = {
  78                 .platform_data = &smsc9220_platdata,
  79         },
  80         .resource       = smsc9220_resources,
  81         .num_resources  = ARRAY_SIZE(smsc9220_resources),
  82 };
  83
  84 static struct sh_keysc_info keysc_platdata = {
  85         .mode           = SH_KEYSC_MODE_6,
  86         .scan_timing    = 3,
  87         .delay          = 100,
  88         .keycodes       = {
  89                 KEY_A, KEY_B, KEY_C, KEY_D, KEY_E, KEY_F, KEY_G,
  90                 KEY_H, KEY_I, KEY_J, KEY_K, KEY_L, KEY_M, KEY_N,
  91                 KEY_O, KEY_P, KEY_Q, KEY_R, KEY_S, KEY_T, KEY_U,
  92                 KEY_V, KEY_W, KEY_X, KEY_Y, KEY_Z, KEY_HOME, KEY_SLEEP,
  93                 KEY_SPACE, KEY_9, KEY_6, KEY_3, KEY_WAKEUP, KEY_RIGHT, \
  94                 KEY_COFFEE,
  95                 KEY_0, KEY_8, KEY_5, KEY_2, KEY_DOWN, KEY_ENTER, KEY_UP,
  96                 KEY_KPASTERISK, KEY_7, KEY_4, KEY_1, KEY_STOP, KEY_LEFT, \
  97                 KEY_COMPUTER,
  98         },
  99 };
 100
 101 static struct resource keysc_resources[] = {
 102         [0] = {
 103                 .name   = "KEYSC",
 104                 .start  = 0xe61b0000,
 105                 .end    = 0xe61b0098 - 1,
 106                 .flags  = IORESOURCE_MEM,
 107         },
 108         [1] = {
 109                 .start  = gic_spi(71),
 110                 .flags  = IORESOURCE_IRQ,
 111         },
 112 };
 113
 114 static struct platform_device keysc_device = {
 115         .name           = "sh_keysc",
 116         .id             = 0,
 117         .num_resources  = ARRAY_SIZE(keysc_resources),
 118         .resource       = keysc_resources,
 119         .dev            = {
 120                 .platform_data  = &keysc_platdata,
 121         },
 122 };
 123
 124 /* FSI A */
 125 static struct resource fsi_resources[] = {
 126         [0] = {
 127                 .name   = "FSI",
 128                 .start  = 0xEC230000,
 129                 .end    = 0xEC230400 - 1,
 130                 .flags  = IORESOURCE_MEM,
 131         },
 132         [1] = {
 133                 .start  = gic_spi(146),
 134                 .flags  = IORESOURCE_IRQ,
 135         },
 136 };
 137
 138 static struct platform_device fsi_device = {
 139         .name           = "sh_fsi2",
 140         .id             = -1,
 141         .num_resources  = ARRAY_SIZE(fsi_resources),
 142         .resource       = fsi_resources,
 143 };
 144
 145 static struct resource sh_mmcif_resources[] = {
 146         [0] = {
 147                 .name   = "MMCIF",
 148                 .start  = 0xe6bd0000,
 149                 .end    = 0xe6bd00ff,
 150                 .flags  = IORESOURCE_MEM,
 151         },
 152         [1] = {
 153                 .start  = gic_spi(141),
 154                 .flags  = IORESOURCE_IRQ,
 155         },
 156         [2] = {
 157                 .start  = gic_spi(140),
 158                 .flags  = IORESOURCE_IRQ,
 159         },
 160 };
 161
 162 static struct sh_mmcif_dma sh_mmcif_dma = {
 163         .chan_priv_rx   = {
 164                 .slave_id       = SHDMA_SLAVE_MMCIF_RX,
 165         },
 166         .chan_priv_tx   = {
 167                 .slave_id       = SHDMA_SLAVE_MMCIF_TX,
 168         },
 169 };
 170 static struct sh_mmcif_plat_data sh_mmcif_platdata = {
 171         .sup_pclk       = 0,
 172         .ocr            = MMC_VDD_165_195,
 173         .caps           = MMC_CAP_8_BIT_DATA | MMC_CAP_NONREMOVABLE,
 174         .dma            = &sh_mmcif_dma,
 175 };
 176
 177 static struct platform_device mmc_device = {
 178         .name           = "sh_mmcif",
 179         .id             = 0,
 180         .dev            = {
 181                 .dma_mask               = NULL,
 182                 .coherent_dma_mask      = 0xffffffff,
 183                 .platform_data          = &sh_mmcif_platdata,
 184         },
 185         .num_resources  = ARRAY_SIZE(sh_mmcif_resources),
 186         .resource       = sh_mmcif_resources,
 187 };
 188
 189 /* IrDA */
 190 static struct resource irda_resources[] = {
 191         [0] = {
 192                 .start  = 0xE6D00000,
 193                 .end    = 0xE6D01FD4 - 1,
 194                 .flags  = IORESOURCE_MEM,
 195         },
 196         [1] = {
 197                 .start  = gic_spi(95),
 198                 .flags  = IORESOURCE_IRQ,
 199         },
 200 };
 201
 202 static struct platform_device irda_device = {
 203         .name           = "sh_irda",
 204         .id             = 0,
 205         .resource       = irda_resources,
 206         .num_resources  = ARRAY_SIZE(irda_resources),
 207 };
 208
 209 static unsigned char lcd_backlight_seq[3][2] = {
 210         { 0x04, 0x07 },
 211         { 0x23, 0x80 },
 212         { 0x03, 0x01 },
 213 };
 214
 215 static void lcd_backlight_on(void)
 216 {
 217         struct i2c_adapter *a;
 218         struct i2c_msg msg;
 219         int k;
 220
 221         a = i2c_get_adapter(1);
 222         for (k = 0; a && k < 3; k++) {
 223                 msg.addr = 0x6d;
 224                 msg.buf = &lcd_backlight_seq[k][0];
 225                 msg.len = 2;
 226                 msg.flags = 0;
 227                 if (i2c_transfer(a, &msg, 1) != 1)
 228                         break;
 229         }
 230 }
 231
 232 static void lcd_backlight_reset(void)
 233 {
 234         gpio_set_value(GPIO_PORT235, 0);
 235         mdelay(24);
 236         gpio_set_value(GPIO_PORT235, 1);
 237 }
 238
 239 static void lcd_on(void *board_data, struct fb_info *info)
 240 {
 241         lcd_backlight_on();
 242 }
 243
 244 static void lcd_off(void *board_data)
 245 {
 246         lcd_backlight_reset();
 247 }
 248
 249 /* LCDC0 */
 250 static const struct fb_videomode lcdc0_modes[] = {
 251         {
 252                 .name           = "R63302(QHD)",
 253                 .xres           = 544,
 254                 .yres           = 961,
 255                 .left_margin    = 72,
 256                 .right_margin   = 600,
 257                 .hsync_len      = 16,
 258                 .upper_margin   = 8,
 259                 .lower_margin   = 8,
 260                 .vsync_len      = 2,
 261                 .sync           = FB_SYNC_VERT_HIGH_ACT | FB_SYNC_HOR_HIGH_ACT,
 262         },
 263 };
 264
 265 static struct sh_mobile_lcdc_info lcdc0_info = {
 266         .clock_source = LCDC_CLK_PERIPHERAL,
 267         .ch[0] = {
 268                 .chan = LCDC_CHAN_MAINLCD,
 269                 .interface_type = RGB24,
 270                 .clock_divider = 1,
 271                 .flags = LCDC_FLAGS_DWPOL,
 272                 .lcd_size_cfg.width = 44,
 273                 .lcd_size_cfg.height = 79,
 274                 .fourcc = V4L2_PIX_FMT_RGB565,
 275                 .lcd_cfg = lcdc0_modes,
 276                 .num_cfg = ARRAY_SIZE(lcdc0_modes),
 277                 .board_cfg = {
 278                         .display_on = lcd_on,
 279                         .display_off = lcd_off,
 280                 },
 281         }
 282 };
 283
 284 static struct resource lcdc0_resources[] = {
 285         [0] = {
 286                 .name   = "LCDC0",
 287                 .start  = 0xfe940000, /* P4-only space */
 288                 .end    = 0xfe943fff,
 289                 .flags  = IORESOURCE_MEM,
 290         },
 291         [1] = {
 292                 .start  = intcs_evt2irq(0x580),
 293                 .flags  = IORESOURCE_IRQ,
 294         },
 295 };
 296
 297 static struct platform_device lcdc0_device = {
 298         .name           = "sh_mobile_lcdc_fb",
 299         .num_resources  = ARRAY_SIZE(lcdc0_resources),
 300         .resource       = lcdc0_resources,
 301         .id             = 0,
 302         .dev    = {
 303                 .platform_data  = &lcdc0_info,
 304                 .coherent_dma_mask = ~0,
 305         },
 306 };
 307
 308 /* MIPI-DSI */
 309 static struct resource mipidsi0_resources[] = {
 310         [0] = {
 311                 .name   = "DSI0",
 312                 .start  = 0xfeab0000,
 313                 .end    = 0xfeab3fff,
 314                 .flags  = IORESOURCE_MEM,
 315         },
 316         [1] = {
 317                 .name   = "DSI0",
 318                 .start  = 0xfeab4000,
 319                 .end    = 0xfeab7fff,
 320                 .flags  = IORESOURCE_MEM,
 321         },
 322 };
 323
 324 #define DSI0PHYCR       0xe615006c
 325 static int sh_mipi_set_dot_clock(struct platform_device *pdev,
 326                                  void __iomem *base,
 327                                  int enable)
 328 {
 329         struct clk *pck;
 330         int ret;
 331
 332         pck = clk_get(&pdev->dev, "dsip_clk");
 333         if (IS_ERR(pck)) {
 334                 ret = PTR_ERR(pck);
 335                 goto sh_mipi_set_dot_clock_pck_err;
 336         }
 337
 338         if (enable) {
 339                 clk_set_rate(pck, clk_round_rate(pck,  24000000));
 340                 __raw_writel(0x2a809010, DSI0PHYCR);
 341                 clk_enable(pck);
 342         } else {
 343                 clk_disable(pck);
 344         }
 345
 346         ret = 0;
 347
 348         clk_put(pck);
 349
 350 sh_mipi_set_dot_clock_pck_err:
 351         return ret;
 352 }
 353
 354 static struct sh_mipi_dsi_info mipidsi0_info = {
 355         .data_format    = MIPI_RGB888,
 356         .lcd_chan       = &lcdc0_info.ch[0],
 357         .lane           = 2,
 358         .vsynw_offset   = 20,
 359         .clksrc         = 1,
 360         .flags          = SH_MIPI_DSI_HSABM             |
 361                           SH_MIPI_DSI_SYNC_PULSES_MODE  |
 362                           SH_MIPI_DSI_HSbyteCLK,
 363         .set_dot_clock  = sh_mipi_set_dot_clock,
 364 };
 365
 366 static struct platform_device mipidsi0_device = {
 367         .name           = "sh-mipi-dsi",
 368         .num_resources  = ARRAY_SIZE(mipidsi0_resources),
 369         .resource       = mipidsi0_resources,
 370         .id             = 0,
 371         .dev    = {
 372                 .platform_data  = &mipidsi0_info,
 373         },
 374 };
 375
 376 /* SDHI0 */
 377 static irqreturn_t ag5evm_sdhi0_gpio_cd(int irq, void *arg)
 378 {
 379         struct device *dev = arg;
 380         struct sh_mobile_sdhi_info *info = dev->platform_data;
 381         struct tmio_mmc_data *pdata = info->pdata;
 382
 383         tmio_mmc_cd_wakeup(pdata);
 384
 385         return IRQ_HANDLED;
 386 }
 387
 388 static struct sh_mobile_sdhi_info sdhi0_info = {
 389         .dma_slave_tx   = SHDMA_SLAVE_SDHI0_TX,
 390         .dma_slave_rx   = SHDMA_SLAVE_SDHI0_RX,
 391         .tmio_flags     = TMIO_MMC_HAS_IDLE_WAIT,
 392         .tmio_caps      = MMC_CAP_SD_HIGHSPEED,
 393         .tmio_ocr_mask  = MMC_VDD_27_28 | MMC_VDD_28_29,
 394 };
 395
 396 static struct resource sdhi0_resources[] = {
 397         [0] = {
 398                 .name   = "SDHI0",
 399                 .start  = 0xee100000,
 400                 .end    = 0xee1000ff,
 401                 .flags  = IORESOURCE_MEM,
 402         },
 403         [1] = {
 404                 .name   = SH_MOBILE_SDHI_IRQ_CARD_DETECT,
 405                 .start  = gic_spi(83),
 406                 .flags  = IORESOURCE_IRQ,
 407         },
 408         [2] = {
 409                 .name   = SH_MOBILE_SDHI_IRQ_SDCARD,
 410                 .start  = gic_spi(84),
 411                 .flags  = IORESOURCE_IRQ,
 412         },
 413         [3] = {
 414                 .name   = SH_MOBILE_SDHI_IRQ_SDIO,
 415                 .start  = gic_spi(85),
 416                 .flags  = IORESOURCE_IRQ,
 417         },
 418 };
 419
 420 static struct platform_device sdhi0_device = {
 421         .name           = "sh_mobile_sdhi",
 422         .id             = 0,
 423         .num_resources  = ARRAY_SIZE(sdhi0_resources),
 424         .resource       = sdhi0_resources,
 425         .dev    = {
 426                 .platform_data  = &sdhi0_info,
 427         },
 428 };
 429
 430 void ag5evm_sdhi1_set_pwr(struct platform_device *pdev, int state)
 431 {
 432         gpio_set_value(GPIO_PORT114, state);
 433 }
 434
 435 static struct sh_mobile_sdhi_info sh_sdhi1_info = {
 436         .tmio_flags     = TMIO_MMC_WRPROTECT_DISABLE | TMIO_MMC_HAS_IDLE_WAIT,
 437         .tmio_caps      = MMC_CAP_NONREMOVABLE | MMC_CAP_SDIO_IRQ,
 438         .tmio_ocr_mask  = MMC_VDD_32_33 | MMC_VDD_33_34,
 439         .set_pwr        = ag5evm_sdhi1_set_pwr,
 440 };
 441
 442 static struct resource sdhi1_resources[] = {
 443         [0] = {
 444                 .name   = "SDHI1",
 445                 .start  = 0xee120000,
 446                 .end    = 0xee1200ff,
 447                 .flags  = IORESOURCE_MEM,
 448         },
 449         [1] = {
 450                 .name   = SH_MOBILE_SDHI_IRQ_CARD_DETECT,
 451                 .start  = gic_spi(87),
 452                 .flags  = IORESOURCE_IRQ,
 453         },
 454         [2] = {
 455                 .name   = SH_MOBILE_SDHI_IRQ_SDCARD,
 456                 .start  = gic_spi(88),
 457                 .flags  = IORESOURCE_IRQ,
 458         },
 459         [3] = {
 460                 .name   = SH_MOBILE_SDHI_IRQ_SDIO,
 461                 .start  = gic_spi(89),
 462                 .flags  = IORESOURCE_IRQ,
 463         },
 464 };
 465
 466 static struct platform_device sdhi1_device = {
 467         .name           = "sh_mobile_sdhi",
 468         .id             = 1,
 469         .dev            = {
 470                 .platform_data  = &sh_sdhi1_info,
 471         },
 472         .num_resources  = ARRAY_SIZE(sdhi1_resources),
 473         .resource       = sdhi1_resources,
 474 };
 475
 476 static struct platform_device *ag5evm_devices[] __initdata = {
 477         &eth_device,
 478         &keysc_device,
 479         &fsi_device,
 480         &mmc_device,
 481         &irda_device,
 482         &lcdc0_device,
 483         &mipidsi0_device,
 484         &sdhi0_device,
 485         &sdhi1_device,
 486 };
 487
 488 static struct map_desc ag5evm_io_desc[] __initdata = {
 489         /* create a 1:1 entity map for 0xe6xxxxxx
 490          * used by CPGA, INTC and PFC.
 491          */
 492         {
 493                 .virtual        = 0xe6000000,
 494                 .pfn            = __phys_to_pfn(0xe6000000),
 495                 .length         = 256 << 20,
 496                 .type           = MT_DEVICE_NONSHARED
 497         },
 498 };
 499
 500 static void __init ag5evm_map_io(void)
 501 {
 502         iotable_init(ag5evm_io_desc, ARRAY_SIZE(ag5evm_io_desc));
 503
 504         /* setup early devices and console here as well */
 505         sh73a0_add_early_devices();
 506         shmobile_setup_console();
 507 }
 508
 509 static void __init ag5evm_init(void)
 510 {
 511         sh73a0_pinmux_init();
 512
 513         /* enable SCIFA2 */
 514         gpio_request(GPIO_FN_SCIFA2_TXD1, NULL);
 515         gpio_request(GPIO_FN_SCIFA2_RXD1, NULL);
 516         gpio_request(GPIO_FN_SCIFA2_RTS1_, NULL);
 517         gpio_request(GPIO_FN_SCIFA2_CTS1_, NULL);
 518
 519         /* enable KEYSC */
 520         gpio_request(GPIO_FN_KEYIN0_PU, NULL);
 521         gpio_request(GPIO_FN_KEYIN1_PU, NULL);
 522         gpio_request(GPIO_FN_KEYIN2_PU, NULL);
 523         gpio_request(GPIO_FN_KEYIN3_PU, NULL);
 524         gpio_request(GPIO_FN_KEYIN4_PU, NULL);
 525         gpio_request(GPIO_FN_KEYIN5_PU, NULL);
 526         gpio_request(GPIO_FN_KEYIN6_PU, NULL);
 527         gpio_request(GPIO_FN_KEYIN7_PU, NULL);
 528         gpio_request(GPIO_FN_KEYOUT0, NULL);
 529         gpio_request(GPIO_FN_KEYOUT1, NULL);
 530         gpio_request(GPIO_FN_KEYOUT2, NULL);
 531         gpio_request(GPIO_FN_KEYOUT3, NULL);
 532         gpio_request(GPIO_FN_KEYOUT4, NULL);
 533         gpio_request(GPIO_FN_KEYOUT5, NULL);
 534         gpio_request(GPIO_FN_PORT59_KEYOUT6, NULL);
 535         gpio_request(GPIO_FN_PORT58_KEYOUT7, NULL);
 536         gpio_request(GPIO_FN_KEYOUT8, NULL);
 537         gpio_request(GPIO_FN_PORT149_KEYOUT9, NULL);
 538
 539         /* enable I2C channel 2 and 3 */
 540         gpio_request(GPIO_FN_PORT236_I2C_SDA2, NULL);
 541         gpio_request(GPIO_FN_PORT237_I2C_SCL2, NULL);
 542         gpio_request(GPIO_FN_PORT248_I2C_SCL3, NULL);
 543         gpio_request(GPIO_FN_PORT249_I2C_SDA3, NULL);
 544
 545         /* enable MMCIF */
 546         gpio_request(GPIO_FN_MMCCLK0, NULL);
 547         gpio_request(GPIO_FN_MMCCMD0_PU, NULL);
 548         gpio_request(GPIO_FN_MMCD0_0_PU, NULL);
 549         gpio_request(GPIO_FN_MMCD0_1_PU, NULL);
 550         gpio_request(GPIO_FN_MMCD0_2_PU, NULL);
 551         gpio_request(GPIO_FN_MMCD0_3_PU, NULL);
 552         gpio_request(GPIO_FN_MMCD0_4_PU, NULL);
 553         gpio_request(GPIO_FN_MMCD0_5_PU, NULL);
 554         gpio_request(GPIO_FN_MMCD0_6_PU, NULL);
 555         gpio_request(GPIO_FN_MMCD0_7_PU, NULL);
 556         gpio_request(GPIO_PORT208, NULL); /* Reset */
 557         gpio_direction_output(GPIO_PORT208, 1);
 558
 559         /* enable SMSC911X */
 560         gpio_request(GPIO_PORT144, NULL); /* PINTA2 */
 561         gpio_direction_input(GPIO_PORT144);
 562         gpio_request(GPIO_PORT145, NULL); /* RESET */
 563         gpio_direction_output(GPIO_PORT145, 1);
 564
 565         /* FSI A */
 566         gpio_request(GPIO_FN_FSIACK, NULL);
 567         gpio_request(GPIO_FN_FSIAILR, NULL);
 568         gpio_request(GPIO_FN_FSIAIBT, NULL);
 569         gpio_request(GPIO_FN_FSIAISLD, NULL);
 570         gpio_request(GPIO_FN_FSIAOSLD, NULL);
 571
 572         /* IrDA */
 573         gpio_request(GPIO_FN_PORT241_IRDA_OUT, NULL);
 574         gpio_request(GPIO_FN_PORT242_IRDA_IN,  NULL);
 575         gpio_request(GPIO_FN_PORT243_IRDA_FIRSEL, NULL);
 576
 577         /* LCD panel */
 578         gpio_request(GPIO_PORT217, NULL); /* RESET */
 579         gpio_direction_output(GPIO_PORT217, 0);
 580         mdelay(1);
 581         gpio_set_value(GPIO_PORT217, 1);
 582         mdelay(100);
 583
 584         /* LCD backlight controller */
 585         gpio_request(GPIO_PORT235, NULL); /* RESET */
 586         gpio_direction_output(GPIO_PORT235, 0);
 587         lcd_backlight_reset();
 588
 589         /* enable SDHI0 on CN15 [SD I/F] */
 590         gpio_request(GPIO_FN_SDHICD0, NULL);
 591         gpio_request(GPIO_FN_SDHIWP0, NULL);
 592         gpio_request(GPIO_FN_SDHICMD0, NULL);
 593         gpio_request(GPIO_FN_SDHICLK0, NULL);
 594         gpio_request(GPIO_FN_SDHID0_3, NULL);
 595         gpio_request(GPIO_FN_SDHID0_2, NULL);
 596         gpio_request(GPIO_FN_SDHID0_1, NULL);
 597         gpio_request(GPIO_FN_SDHID0_0, NULL);
 598
 599         if (!request_irq(intcs_evt2irq(0x3c0), ag5evm_sdhi0_gpio_cd,
 600                          IRQF_TRIGGER_FALLING | IRQF_TRIGGER_RISING,
 601                          "sdhi0 cd", &sdhi0_device.dev))
 602                 sdhi0_info.tmio_flags |= TMIO_MMC_HAS_COLD_CD;
 603         else
 604                 pr_warn("Unable to setup SDHI0 GPIO IRQ\n");
 605
 606         /* enable SDHI1 on CN4 [WLAN I/F] */
 607         gpio_request(GPIO_FN_SDHICLK1, NULL);
 608         gpio_request(GPIO_FN_SDHICMD1_PU, NULL);
 609         gpio_request(GPIO_FN_SDHID1_3_PU, NULL);
 610         gpio_request(GPIO_FN_SDHID1_2_PU, NULL);
 611         gpio_request(GPIO_FN_SDHID1_1_PU, NULL);
 612         gpio_request(GPIO_FN_SDHID1_0_PU, NULL);
 613         gpio_request(GPIO_PORT114, "sdhi1_power");
 614         gpio_direction_output(GPIO_PORT114, 0);
 615
 616 #ifdef CONFIG_CACHE_L2X0
 617         /* Shared attribute override enable, 64K*8way */
 618         l2x0_init(__io(0xf0100000), 0x00460000, 0xc2000fff);
 619 #endif
 620         sh73a0_add_standard_devices();
 621         platform_add_devices(ag5evm_devices, ARRAY_SIZE(ag5evm_devices));
 622 }
 623
 624 static void __init ag5evm_timer_init(void)
 625 {
 626         sh73a0_clock_init();
 627         shmobile_timer.init();
 628         return;
 629 }
 630
 631 struct sys_timer ag5evm_timer = {
 632         .init   = ag5evm_timer_init,
 633 };
 634
 635 MACHINE_START(AG5EVM, "ag5evm")
 636         .map_io         = ag5evm_map_io,
 637         .nr_irqs        = NR_IRQS_LEGACY,
 638         .init_irq       = sh73a0_init_irq,
 639         .handle_irq     = gic_handle_irq,
 640         .init_machine   = ag5evm_init,
 641         .timer          = &ag5evm_timer,
 642 MACHINE_END