arch/arm/mach-davinci/board-da850-evm.c

   1 /*
   2  * TI DA850/OMAP-L138 EVM board
   3  *
   4  * Copyright (C) 2009 Texas Instruments Incorporated - http://www.ti.com/
   5  *
   6  * Derived from: arch/arm/mach-davinci/board-da830-evm.c
   7  * Original Copyrights follow:
   8  *
   9  * 2007, 2009 (c) MontaVista Software, Inc. This file is licensed under
  10  * the terms of the GNU General Public License version 2. This program
  11  * is licensed "as is" without any warranty of any kind, whether express
  12  * or implied.
  13  */
  14 #include <linux/kernel.h>
  15 #include <linux/init.h>
  16 #include <linux/console.h>
  17 #include <linux/i2c.h>
  18 #include <linux/i2c/at24.h>
  19 #include <linux/i2c/pca953x.h>
  20 #include <linux/gpio.h>
  21 #include <linux/platform_device.h>
  22 #include <linux/mtd/mtd.h>
  23 #include <linux/mtd/nand.h>
  24 #include <linux/mtd/partitions.h>
  25 #include <linux/mtd/physmap.h>
  26 #include <linux/regulator/machine.h>
  27
  28 #include <asm/mach-types.h>
  29 #include <asm/mach/arch.h>
  30
  31 #include <mach/cp_intc.h>
  32 #include <mach/da8xx.h>
  33 #include <mach/nand.h>
  34 #include <mach/mux.h>
  35
  36 #define DA850_EVM_PHY_MASK              0x1
  37 #define DA850_EVM_MDIO_FREQUENCY        2200000 /* PHY bus frequency */
  38
  39 #define DA850_LCD_PWR_PIN               GPIO_TO_PIN(2, 8)
  40 #define DA850_LCD_BL_PIN                GPIO_TO_PIN(2, 15)
  41
  42 #define DA850_MMCSD_CD_PIN              GPIO_TO_PIN(4, 0)
  43 #define DA850_MMCSD_WP_PIN              GPIO_TO_PIN(4, 1)
  44
  45 #define DA850_MII_MDIO_CLKEN_PIN        GPIO_TO_PIN(2, 6)
  46
  47 static struct mtd_partition da850_evm_norflash_partition[] = {
  48         {
  49                 .name           = "bootloaders + env",
  50                 .offset         = 0,
  51                 .size           = SZ_512K,
  52                 .mask_flags     = MTD_WRITEABLE,
  53         },
  54         {
  55                 .name           = "kernel",
  56                 .offset         = MTDPART_OFS_APPEND,
  57                 .size           = SZ_2M,
  58                 .mask_flags     = 0,
  59         },
  60         {
  61                 .name           = "filesystem",
  62                 .offset         = MTDPART_OFS_APPEND,
  63                 .size           = MTDPART_SIZ_FULL,
  64                 .mask_flags     = 0,
  65         },
  66 };
  67
  68 static struct physmap_flash_data da850_evm_norflash_data = {
  69         .width          = 2,
  70         .parts          = da850_evm_norflash_partition,
  71         .nr_parts       = ARRAY_SIZE(da850_evm_norflash_partition),
  72 };
  73
  74 static struct resource da850_evm_norflash_resource[] = {
  75         {
  76                 .start  = DA8XX_AEMIF_CS2_BASE,
  77                 .end    = DA8XX_AEMIF_CS2_BASE + SZ_32M - 1,
  78                 .flags  = IORESOURCE_MEM,
  79         },
  80 };
  81
  82 static struct platform_device da850_evm_norflash_device = {
  83         .name           = "physmap-flash",
  84         .id             = 0,
  85         .dev            = {
  86                 .platform_data  = &da850_evm_norflash_data,
  87         },
  88         .num_resources  = 1,
  89         .resource       = da850_evm_norflash_resource,
  90 };
  91
  92 /* DA850/OMAP-L138 EVM includes a 512 MByte large-page NAND flash
  93  * (128K blocks). It may be used instead of the (default) SPI flash
  94  * to boot, using TI's tools to install the secondary boot loader
  95  * (UBL) and U-Boot.
  96  */
  97 struct mtd_partition da850_evm_nandflash_partition[] = {
  98         {
  99                 .name           = "u-boot env",
 100                 .offset         = 0,
 101                 .size           = SZ_128K,
 102                 .mask_flags     = MTD_WRITEABLE,
 103          },
 104         {
 105                 .name           = "UBL",
 106                 .offset         = MTDPART_OFS_APPEND,
 107                 .size           = SZ_128K,
 108                 .mask_flags     = MTD_WRITEABLE,
 109         },
 110         {
 111                 .name           = "u-boot",
 112                 .offset         = MTDPART_OFS_APPEND,
 113                 .size           = 4 * SZ_128K,
 114                 .mask_flags     = MTD_WRITEABLE,
 115         },
 116         {
 117                 .name           = "kernel",
 118                 .offset         = 0x200000,
 119                 .size           = SZ_2M,
 120                 .mask_flags     = 0,
 121         },
 122         {
 123                 .name           = "filesystem",
 124                 .offset         = MTDPART_OFS_APPEND,
 125                 .size           = MTDPART_SIZ_FULL,
 126                 .mask_flags     = 0,
 127         },
 128 };
 129
 130 static struct davinci_nand_pdata da850_evm_nandflash_data = {
 131         .parts          = da850_evm_nandflash_partition,
 132         .nr_parts       = ARRAY_SIZE(da850_evm_nandflash_partition),
 133         .ecc_mode       = NAND_ECC_HW,
 134         .options        = NAND_USE_FLASH_BBT,
 135 };
 136
 137 static struct resource da850_evm_nandflash_resource[] = {
 138         {
 139                 .start  = DA8XX_AEMIF_CS3_BASE,
 140                 .end    = DA8XX_AEMIF_CS3_BASE + SZ_512K + 2 * SZ_1K - 1,
 141                 .flags  = IORESOURCE_MEM,
 142         },
 143         {
 144                 .start  = DA8XX_AEMIF_CTL_BASE,
 145                 .end    = DA8XX_AEMIF_CTL_BASE + SZ_32K - 1,
 146                 .flags  = IORESOURCE_MEM,
 147         },
 148 };
 149
 150 static struct platform_device da850_evm_nandflash_device = {
 151         .name           = "davinci_nand",
 152         .id             = 1,
 153         .dev            = {
 154                 .platform_data  = &da850_evm_nandflash_data,
 155         },
 156         .num_resources  = ARRAY_SIZE(da850_evm_nandflash_resource),
 157         .resource       = da850_evm_nandflash_resource,
 158 };
 159
 160 static struct platform_device *da850_evm_devices[] __initdata = {
 161         &da850_evm_nandflash_device,
 162         &da850_evm_norflash_device,
 163 };
 164
 165 #define DA8XX_AEMIF_CE2CFG_OFFSET       0x10
 166 #define DA8XX_AEMIF_ASIZE_16BIT         0x1
 167
 168 static void __init da850_evm_init_nor(void)
 169 {
 170         void __iomem *aemif_addr;
 171
 172         aemif_addr = ioremap(DA8XX_AEMIF_CTL_BASE, SZ_32K);
 173
 174         /* Configure data bus width of CS2 to 16 bit */
 175         writel(readl(aemif_addr + DA8XX_AEMIF_CE2CFG_OFFSET) |
 176                 DA8XX_AEMIF_ASIZE_16BIT,
 177                 aemif_addr + DA8XX_AEMIF_CE2CFG_OFFSET);
 178
 179         iounmap(aemif_addr);
 180 }
 181
 182 static u32 ui_card_detected;
 183
 184 #if defined(CONFIG_MMC_DAVINCI) || \
 185     defined(CONFIG_MMC_DAVINCI_MODULE)
 186 #define HAS_MMC 1
 187 #else
 188 #define HAS_MMC 0
 189 #endif
 190
 191 static __init void da850_evm_setup_nor_nand(void)
 192 {
 193         int ret = 0;
 194
 195         if (ui_card_detected & !HAS_MMC) {
 196                 ret = da8xx_pinmux_setup(da850_nand_pins);
 197                 if (ret)
 198                         pr_warning("da850_evm_init: nand mux setup failed: "
 199                                         "%d\n", ret);
 200
 201                 ret = da8xx_pinmux_setup(da850_nor_pins);
 202                 if (ret)
 203                         pr_warning("da850_evm_init: nor mux setup failed: %d\n",
 204                                 ret);
 205
 206                 da850_evm_init_nor();
 207
 208                 platform_add_devices(da850_evm_devices,
 209                                         ARRAY_SIZE(da850_evm_devices));
 210         }
 211 }
 212
 213 #ifdef CONFIG_DA850_UI_RMII
 214 static inline void da850_evm_setup_emac_rmii(int rmii_sel)
 215 {
 216         struct davinci_soc_info *soc_info = &davinci_soc_info;
 217
 218         soc_info->emac_pdata->rmii_en = 1;
 219         gpio_set_value(rmii_sel, 0);
 220 }
 221 #else
 222 static inline void da850_evm_setup_emac_rmii(int rmii_sel) { }
 223 #endif
 224
 225 static int da850_evm_ui_expander_setup(struct i2c_client *client, unsigned gpio,
 226                                                 unsigned ngpio, void *c)
 227 {
 228         int sel_a, sel_b, sel_c, ret;
 229
 230         sel_a = gpio + 7;
 231         sel_b = gpio + 6;
 232         sel_c = gpio + 5;
 233
 234         ret = gpio_request(sel_a, "sel_a");
 235         if (ret) {
 236                 pr_warning("Cannot open UI expander pin %d\n", sel_a);
 237                 goto exp_setup_sela_fail;
 238         }
 239
 240         ret = gpio_request(sel_b, "sel_b");
 241         if (ret) {
 242                 pr_warning("Cannot open UI expander pin %d\n", sel_b);
 243                 goto exp_setup_selb_fail;
 244         }
 245
 246         ret = gpio_request(sel_c, "sel_c");
 247         if (ret) {
 248                 pr_warning("Cannot open UI expander pin %d\n", sel_c);
 249                 goto exp_setup_selc_fail;
 250         }
 251
 252         /* deselect all functionalities */
 253         gpio_direction_output(sel_a, 1);
 254         gpio_direction_output(sel_b, 1);
 255         gpio_direction_output(sel_c, 1);
 256
 257         ui_card_detected = 1;
 258         pr_info("DA850/OMAP-L138 EVM UI card detected\n");
 259
 260         da850_evm_setup_nor_nand();
 261
 262         da850_evm_setup_emac_rmii(sel_a);
 263
 264         return 0;
 265
 266 exp_setup_selc_fail:
 267         gpio_free(sel_b);
 268 exp_setup_selb_fail:
 269         gpio_free(sel_a);
 270 exp_setup_sela_fail:
 271         return ret;
 272 }
 273
 274 static int da850_evm_ui_expander_teardown(struct i2c_client *client,
 275                                         unsigned gpio, unsigned ngpio, void *c)
 276 {
 277         /* deselect all functionalities */
 278         gpio_set_value(gpio + 5, 1);
 279         gpio_set_value(gpio + 6, 1);
 280         gpio_set_value(gpio + 7, 1);
 281
 282         gpio_free(gpio + 5);
 283         gpio_free(gpio + 6);
 284         gpio_free(gpio + 7);
 285
 286         return 0;
 287 }
 288
 289 static struct pca953x_platform_data da850_evm_ui_expander_info = {
 290         .gpio_base      = DAVINCI_N_GPIO,
 291         .setup          = da850_evm_ui_expander_setup,
 292         .teardown       = da850_evm_ui_expander_teardown,
 293 };
 294
 295 static struct i2c_board_info __initdata da850_evm_i2c_devices[] = {
 296         {
 297                 I2C_BOARD_INFO("tlv320aic3x", 0x18),
 298         },
 299         {
 300                 I2C_BOARD_INFO("tca6416", 0x20),
 301                 .platform_data = &da850_evm_ui_expander_info,
 302         },
 303 };
 304
 305 static struct davinci_i2c_platform_data da850_evm_i2c_0_pdata = {
 306         .bus_freq       = 100,  /* kHz */
 307         .bus_delay      = 0,    /* usec */
 308 };
 309
 310 static struct davinci_uart_config da850_evm_uart_config __initdata = {
 311         .enabled_uarts = 0x7,
 312 };
 313
 314 /* davinci da850 evm audio machine driver */
 315 static u8 da850_iis_serializer_direction[] = {
 316         INACTIVE_MODE,  INACTIVE_MODE,  INACTIVE_MODE,  INACTIVE_MODE,
 317         INACTIVE_MODE,  INACTIVE_MODE,  INACTIVE_MODE,  INACTIVE_MODE,
 318         INACTIVE_MODE,  INACTIVE_MODE,  INACTIVE_MODE,  TX_MODE,
 319         RX_MODE,        INACTIVE_MODE,  INACTIVE_MODE,  INACTIVE_MODE,
 320 };
 321
 322 static struct snd_platform_data da850_evm_snd_data = {
 323         .tx_dma_offset  = 0x2000,
 324         .rx_dma_offset  = 0x2000,
 325         .op_mode        = DAVINCI_MCASP_IIS_MODE,
 326         .num_serializer = ARRAY_SIZE(da850_iis_serializer_direction),
 327         .tdm_slots      = 2,
 328         .serial_dir     = da850_iis_serializer_direction,
 329         .eventq_no      = EVENTQ_1,
 330         .version        = MCASP_VERSION_2,
 331         .txnumevt       = 1,
 332         .rxnumevt       = 1,
 333 };
 334
 335 static int da850_evm_mmc_get_ro(int index)
 336 {
 337         return gpio_get_value(DA850_MMCSD_WP_PIN);
 338 }
 339
 340 static int da850_evm_mmc_get_cd(int index)
 341 {
 342         return !gpio_get_value(DA850_MMCSD_CD_PIN);
 343 }
 344
 345 static struct davinci_mmc_config da850_mmc_config = {
 346         .get_ro         = da850_evm_mmc_get_ro,
 347         .get_cd         = da850_evm_mmc_get_cd,
 348         .wires          = 4,
 349         .max_freq       = 50000000,
 350         .caps           = MMC_CAP_MMC_HIGHSPEED | MMC_CAP_SD_HIGHSPEED,
 351         .version        = MMC_CTLR_VERSION_2,
 352 };
 353
 354 static void da850_panel_power_ctrl(int val)
 355 {
 356         /* lcd backlight */
 357         gpio_set_value(DA850_LCD_BL_PIN, val);
 358
 359         /* lcd power */
 360         gpio_set_value(DA850_LCD_PWR_PIN, val);
 361 }
 362
 363 static int da850_lcd_hw_init(void)
 364 {
 365         int status;
 366
 367         status = gpio_request(DA850_LCD_BL_PIN, "lcd bl\n");
 368         if (status < 0)
 369                 return status;
 370
 371         status = gpio_request(DA850_LCD_PWR_PIN, "lcd pwr\n");
 372         if (status < 0) {
 373                 gpio_free(DA850_LCD_BL_PIN);
 374                 return status;
 375         }
 376
 377         gpio_direction_output(DA850_LCD_BL_PIN, 0);
 378         gpio_direction_output(DA850_LCD_PWR_PIN, 0);
 379
 380         /* Switch off panel power and backlight */
 381         da850_panel_power_ctrl(0);
 382
 383         /* Switch on panel power and backlight */
 384         da850_panel_power_ctrl(1);
 385
 386         return 0;
 387 }
 388
 389 /* TPS65070 voltage regulator support */
 390
 391 /* 3.3V */
 392 struct regulator_consumer_supply tps65070_dcdc1_consumers[] = {
 393         {
 394                 .supply = "usb0_vdda33",
 395         },
 396         {
 397                 .supply = "usb1_vdda33",
 398         },
 399 };
 400
 401 /* 3.3V or 1.8V */
 402 struct regulator_consumer_supply tps65070_dcdc2_consumers[] = {
 403         {
 404                 .supply = "dvdd3318_a",
 405         },
 406         {
 407                 .supply = "dvdd3318_b",
 408         },
 409         {
 410                 .supply = "dvdd3318_c",
 411         },
 412 };
 413
 414 /* 1.2V */
 415 struct regulator_consumer_supply tps65070_dcdc3_consumers[] = {
 416         {
 417                 .supply = "cvdd",
 418         },
 419 };
 420
 421 /* 1.8V LDO */
 422 struct regulator_consumer_supply tps65070_ldo1_consumers[] = {
 423         {
 424                 .supply = "sata_vddr",
 425         },
 426         {
 427                 .supply = "usb0_vdda18",
 428         },
 429         {
 430                 .supply = "usb1_vdda18",
 431         },
 432         {
 433                 .supply = "ddr_dvdd18",
 434         },
 435 };
 436
 437 /* 1.2V LDO */
 438 struct regulator_consumer_supply tps65070_ldo2_consumers[] = {
 439         {
 440                 .supply = "sata_vdd",
 441         },
 442         {
 443                 .supply = "pll0_vdda",
 444         },
 445         {
 446                 .supply = "pll1_vdda",
 447         },
 448         {
 449                 .supply = "usbs_cvdd",
 450         },
 451         {
 452                 .supply = "vddarnwa1",
 453         },
 454 };
 455
 456 struct regulator_init_data tps65070_regulator_data[] = {
 457         /* dcdc1 */
 458         {
 459                 .constraints = {
 460                         .min_uV = 3150000,
 461                         .max_uV = 3450000,
 462                         .valid_ops_mask = (REGULATOR_CHANGE_VOLTAGE |
 463                                 REGULATOR_CHANGE_STATUS),
 464                         .boot_on = 1,
 465                 },
 466                 .num_consumer_supplies = ARRAY_SIZE(tps65070_dcdc1_consumers),
 467                 .consumer_supplies = tps65070_dcdc1_consumers,
 468         },
 469
 470         /* dcdc2 */
 471         {
 472                 .constraints = {
 473                         .min_uV = 1710000,
 474                         .max_uV = 3450000,
 475                         .valid_ops_mask = (REGULATOR_CHANGE_VOLTAGE |
 476                                 REGULATOR_CHANGE_STATUS),
 477                         .boot_on = 1,
 478                 },
 479                 .num_consumer_supplies = ARRAY_SIZE(tps65070_dcdc2_consumers),
 480                 .consumer_supplies = tps65070_dcdc2_consumers,
 481         },
 482
 483         /* dcdc3 */
 484         {
 485                 .constraints = {
 486                         .min_uV = 950000,
 487                         .max_uV = 1320000,
 488                         .valid_ops_mask = (REGULATOR_CHANGE_VOLTAGE |
 489                                 REGULATOR_CHANGE_STATUS),
 490                         .boot_on = 1,
 491                 },
 492                 .num_consumer_supplies = ARRAY_SIZE(tps65070_dcdc3_consumers),
 493                 .consumer_supplies = tps65070_dcdc3_consumers,
 494         },
 495
 496         /* ldo1 */
 497         {
 498                 .constraints = {
 499                         .min_uV = 1710000,
 500                         .max_uV = 1890000,
 501                         .valid_ops_mask = (REGULATOR_CHANGE_VOLTAGE |
 502                                 REGULATOR_CHANGE_STATUS),
 503                         .boot_on = 1,
 504                 },
 505                 .num_consumer_supplies = ARRAY_SIZE(tps65070_ldo1_consumers),
 506                 .consumer_supplies = tps65070_ldo1_consumers,
 507         },
 508
 509         /* ldo2 */
 510         {
 511                 .constraints = {
 512                         .min_uV = 1140000,
 513                         .max_uV = 1320000,
 514                         .valid_ops_mask = (REGULATOR_CHANGE_VOLTAGE |
 515                                 REGULATOR_CHANGE_STATUS),
 516                         .boot_on = 1,
 517                 },
 518                 .num_consumer_supplies = ARRAY_SIZE(tps65070_ldo2_consumers),
 519                 .consumer_supplies = tps65070_ldo2_consumers,
 520         },
 521 };
 522
 523 static struct i2c_board_info __initdata da850evm_tps65070_info[] = {
 524         {
 525                 I2C_BOARD_INFO("tps6507x", 0x48),
 526                 .platform_data = &tps65070_regulator_data[0],
 527         },
 528 };
 529
 530 static int __init pmic_tps65070_init(void)
 531 {
 532         return i2c_register_board_info(1, da850evm_tps65070_info,
 533                                         ARRAY_SIZE(da850evm_tps65070_info));
 534 }
 535
 536 static const short da850_evm_lcdc_pins[] = {
 537         DA850_GPIO2_8, DA850_GPIO2_15,
 538         -1
 539 };
 540
 541 static int __init da850_evm_config_emac(void)
 542 {
 543         void __iomem *cfg_chip3_base;
 544         int ret;
 545         u32 val;
 546         struct davinci_soc_info *soc_info = &davinci_soc_info;
 547         u8 rmii_en = soc_info->emac_pdata->rmii_en;
 548
 549         if (!machine_is_davinci_da850_evm())
 550                 return 0;
 551
 552         cfg_chip3_base = DA8XX_SYSCFG0_VIRT(DA8XX_CFGCHIP3_REG);
 553
 554         val = __raw_readl(cfg_chip3_base);
 555
 556         if (rmii_en) {
 557                 val |= BIT(8);
 558                 ret = da8xx_pinmux_setup(da850_rmii_pins);
 559                 pr_info("EMAC: RMII PHY configured, MII PHY will not be"
 560                                                         " functional\n");
 561         } else {
 562                 val &= ~BIT(8);
 563                 ret = da8xx_pinmux_setup(da850_cpgmac_pins);
 564                 pr_info("EMAC: MII PHY configured, RMII PHY will not be"
 565                                                         " functional\n");
 566         }
 567
 568         if (ret)
 569                 pr_warning("da850_evm_init: cpgmac/rmii mux setup failed: %d\n",
 570                                 ret);
 571
 572         /* configure the CFGCHIP3 register for RMII or MII */
 573         __raw_writel(val, cfg_chip3_base);
 574
 575         ret = davinci_cfg_reg(DA850_GPIO2_6);
 576         if (ret)
 577                 pr_warning("da850_evm_init:GPIO(2,6) mux setup "
 578                                                         "failed\n");
 579
 580         ret = gpio_request(DA850_MII_MDIO_CLKEN_PIN, "mdio_clk_en");
 581         if (ret) {
 582                 pr_warning("Cannot open GPIO %d\n",
 583                                         DA850_MII_MDIO_CLKEN_PIN);
 584                 return ret;
 585         }
 586
 587         /* Enable/Disable MII MDIO clock */
 588         gpio_direction_output(DA850_MII_MDIO_CLKEN_PIN, rmii_en);
 589
 590         soc_info->emac_pdata->phy_mask = DA850_EVM_PHY_MASK;
 591         soc_info->emac_pdata->mdio_max_freq = DA850_EVM_MDIO_FREQUENCY;
 592
 593         ret = da8xx_register_emac();
 594         if (ret)
 595                 pr_warning("da850_evm_init: emac registration failed: %d\n",
 596                                 ret);
 597
 598         return 0;
 599 }
 600 device_initcall(da850_evm_config_emac);
 601
 602 static __init void da850_evm_init(void)
 603 {
 604         int ret;
 605
 606         ret = pmic_tps65070_init();
 607         if (ret)
 608                 pr_warning("da850_evm_init: TPS65070 PMIC init failed: %d\n",
 609                                 ret);
 610
 611         ret = da8xx_register_edma();
 612         if (ret)
 613                 pr_warning("da850_evm_init: edma registration failed: %d\n",
 614                                 ret);
 615
 616         ret = da8xx_pinmux_setup(da850_i2c0_pins);
 617         if (ret)
 618                 pr_warning("da850_evm_init: i2c0 mux setup failed: %d\n",
 619                                 ret);
 620
 621         ret = da8xx_register_i2c(0, &da850_evm_i2c_0_pdata);
 622         if (ret)
 623                 pr_warning("da850_evm_init: i2c0 registration failed: %d\n",
 624                                 ret);
 625
 626
 627         ret = da8xx_register_watchdog();
 628         if (ret)
 629                 pr_warning("da830_evm_init: watchdog registration failed: %d\n",
 630                                 ret);
 631
 632         if (HAS_MMC) {
 633                 ret = da8xx_pinmux_setup(da850_mmcsd0_pins);
 634                 if (ret)
 635                         pr_warning("da850_evm_init: mmcsd0 mux setup failed:"
 636                                         " %d\n", ret);
 637
 638                 ret = gpio_request(DA850_MMCSD_CD_PIN, "MMC CD\n");
 639                 if (ret)
 640                         pr_warning("da850_evm_init: can not open GPIO %d\n",
 641                                         DA850_MMCSD_CD_PIN);
 642                 gpio_direction_input(DA850_MMCSD_CD_PIN);
 643
 644                 ret = gpio_request(DA850_MMCSD_WP_PIN, "MMC WP\n");
 645                 if (ret)
 646                         pr_warning("da850_evm_init: can not open GPIO %d\n",
 647                                         DA850_MMCSD_WP_PIN);
 648                 gpio_direction_input(DA850_MMCSD_WP_PIN);
 649
 650                 ret = da8xx_register_mmcsd0(&da850_mmc_config);
 651                 if (ret)
 652                         pr_warning("da850_evm_init: mmcsd0 registration failed:"
 653                                         " %d\n", ret);
 654         }
 655
 656         davinci_serial_init(&da850_evm_uart_config);
 657
 658         i2c_register_board_info(1, da850_evm_i2c_devices,
 659                         ARRAY_SIZE(da850_evm_i2c_devices));
 660
 661         /*
 662          * shut down uart 0 and 1; they are not used on the board and
 663          * accessing them causes endless "too much work in irq53" messages
 664          * with arago fs
 665          */
 666         __raw_writel(0, IO_ADDRESS(DA8XX_UART1_BASE) + 0x30);
 667         __raw_writel(0, IO_ADDRESS(DA8XX_UART0_BASE) + 0x30);
 668
 669         ret = da8xx_pinmux_setup(da850_mcasp_pins);
 670         if (ret)
 671                 pr_warning("da850_evm_init: mcasp mux setup failed: %d\n",
 672                                 ret);
 673
 674         da8xx_register_mcasp(0, &da850_evm_snd_data);
 675
 676         ret = da8xx_pinmux_setup(da850_lcdcntl_pins);
 677         if (ret)
 678                 pr_warning("da850_evm_init: lcdcntl mux setup failed: %d\n",
 679                                 ret);
 680
 681         /* Handle board specific muxing for LCD here */
 682         ret = da8xx_pinmux_setup(da850_evm_lcdc_pins);
 683         if (ret)
 684                 pr_warning("da850_evm_init: evm specific lcd mux setup "
 685                                 "failed: %d\n", ret);
 686
 687         ret = da850_lcd_hw_init();
 688         if (ret)
 689                 pr_warning("da850_evm_init: lcd initialization failed: %d\n",
 690                                 ret);
 691
 692         sharp_lk043t1dg01_pdata.panel_power_ctrl = da850_panel_power_ctrl,
 693         ret = da8xx_register_lcdc(&sharp_lk043t1dg01_pdata);
 694         if (ret)
 695                 pr_warning("da850_evm_init: lcdc registration failed: %d\n",
 696                                 ret);
 697
 698         ret = da8xx_register_rtc();
 699         if (ret)
 700                 pr_warning("da850_evm_init: rtc setup failed: %d\n", ret);
 701
 702         ret = da850_register_cpufreq();
 703         if (ret)
 704                 pr_warning("da850_evm_init: cpufreq registration failed: %d\n",
 705                                 ret);
 706
 707         ret = da8xx_register_cpuidle();
 708         if (ret)
 709                 pr_warning("da850_evm_init: cpuidle registration failed: %d\n",
 710                                 ret);
 711 }
 712
 713 #ifdef CONFIG_SERIAL_8250_CONSOLE
 714 static int __init da850_evm_console_init(void)
 715 {
 716         return add_preferred_console("ttyS", 2, "115200");
 717 }
 718 console_initcall(da850_evm_console_init);
 719 #endif
 720
 721 static __init void da850_evm_irq_init(void)
 722 {
 723         struct davinci_soc_info *soc_info = &davinci_soc_info;
 724
 725         cp_intc_init((void __iomem *)DA8XX_CP_INTC_VIRT, DA850_N_CP_INTC_IRQ,
 726                         soc_info->intc_irq_prios);
 727 }
 728
 729 static void __init da850_evm_map_io(void)
 730 {
 731         da850_init();
 732 }
 733
 734 MACHINE_START(DAVINCI_DA850_EVM, "DaVinci DA850/OMAP-L138 EVM")
 735         .phys_io        = IO_PHYS,
 736         .io_pg_offst    = (__IO_ADDRESS(IO_PHYS) >> 18) & 0xfffc,
 737         .boot_params    = (DA8XX_DDR_BASE + 0x100),
 738         .map_io         = da850_evm_map_io,
 739         .init_irq       = da850_evm_irq_init,
 740         .timer          = &davinci_timer,
 741         .init_machine   = da850_evm_init,
 742 MACHINE_END