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   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           = "NOR filesystem",
  50                 .offset         = 0,
  51                 .size           = MTDPART_SIZ_FULL,
  52                 .mask_flags     = 0,
  53         },
  54 };
  55
  56 static struct physmap_flash_data da850_evm_norflash_data = {
  57         .width          = 2,
  58         .parts          = da850_evm_norflash_partition,
  59         .nr_parts       = ARRAY_SIZE(da850_evm_norflash_partition),
  60 };
  61
  62 static struct resource da850_evm_norflash_resource[] = {
  63         {
  64                 .start  = DA8XX_AEMIF_CS2_BASE,
  65                 .end    = DA8XX_AEMIF_CS2_BASE + SZ_32M - 1,
  66                 .flags  = IORESOURCE_MEM,
  67         },
  68 };
  69
  70 static struct platform_device da850_evm_norflash_device = {
  71         .name           = "physmap-flash",
  72         .id             = 0,
  73         .dev            = {
  74                 .platform_data  = &da850_evm_norflash_data,
  75         },
  76         .num_resources  = 1,
  77         .resource       = da850_evm_norflash_resource,
  78 };
  79
  80 /* DA850/OMAP-L138 EVM includes a 512 MByte large-page NAND flash
  81  * (128K blocks). It may be used instead of the (default) SPI flash
  82  * to boot, using TI's tools to install the secondary boot loader
  83  * (UBL) and U-Boot.
  84  */
  85 struct mtd_partition da850_evm_nandflash_partition[] = {
  86         {
  87                 .name           = "u-boot env",
  88                 .offset         = 0,
  89                 .size           = SZ_128K,
  90                 .mask_flags     = MTD_WRITEABLE,
  91          },
  92         {
  93                 .name           = "UBL",
  94                 .offset         = MTDPART_OFS_APPEND,
  95                 .size           = SZ_128K,
  96                 .mask_flags     = MTD_WRITEABLE,
  97         },
  98         {
  99                 .name           = "u-boot",
 100                 .offset         = MTDPART_OFS_APPEND,
 101                 .size           = 4 * SZ_128K,
 102                 .mask_flags     = MTD_WRITEABLE,
 103         },
 104         {
 105                 .name           = "kernel",
 106                 .offset         = 0x200000,
 107                 .size           = SZ_2M,
 108                 .mask_flags     = 0,
 109         },
 110         {
 111                 .name           = "filesystem",
 112                 .offset         = MTDPART_OFS_APPEND,
 113                 .size           = MTDPART_SIZ_FULL,
 114                 .mask_flags     = 0,
 115         },
 116 };
 117
 118 static struct davinci_nand_pdata da850_evm_nandflash_data = {
 119         .parts          = da850_evm_nandflash_partition,
 120         .nr_parts       = ARRAY_SIZE(da850_evm_nandflash_partition),
 121         .ecc_mode       = NAND_ECC_HW,
 122         .options        = NAND_USE_FLASH_BBT,
 123 };
 124
 125 static struct resource da850_evm_nandflash_resource[] = {
 126         {
 127                 .start  = DA8XX_AEMIF_CS3_BASE,
 128                 .end    = DA8XX_AEMIF_CS3_BASE + SZ_512K + 2 * SZ_1K - 1,
 129                 .flags  = IORESOURCE_MEM,
 130         },
 131         {
 132                 .start  = DA8XX_AEMIF_CTL_BASE,
 133                 .end    = DA8XX_AEMIF_CTL_BASE + SZ_32K - 1,
 134                 .flags  = IORESOURCE_MEM,
 135         },
 136 };
 137
 138 static struct platform_device da850_evm_nandflash_device = {
 139         .name           = "davinci_nand",
 140         .id             = 1,
 141         .dev            = {
 142                 .platform_data  = &da850_evm_nandflash_data,
 143         },
 144         .num_resources  = ARRAY_SIZE(da850_evm_nandflash_resource),
 145         .resource       = da850_evm_nandflash_resource,
 146 };
 147
 148 static u32 ui_card_detected;
 149 static void da850_evm_setup_nor_nand(void);
 150
 151 static int da850_evm_ui_expander_setup(struct i2c_client *client, unsigned gpio,
 152                                                 unsigned ngpio, void *c)
 153 {
 154         struct davinci_soc_info *soc_info = &davinci_soc_info;
 155         int sel_a, sel_b, sel_c, ret;
 156
 157         sel_a = gpio + 7;
 158         sel_b = gpio + 6;
 159         sel_c = gpio + 5;
 160
 161         ret = gpio_request(sel_a, "sel_a");
 162         if (ret) {
 163                 pr_warning("Cannot open UI expander pin %d\n", sel_a);
 164                 goto exp_setup_sela_fail;
 165         }
 166
 167         ret = gpio_request(sel_b, "sel_b");
 168         if (ret) {
 169                 pr_warning("Cannot open UI expander pin %d\n", sel_b);
 170                 goto exp_setup_selb_fail;
 171         }
 172
 173         ret = gpio_request(sel_c, "sel_c");
 174         if (ret) {
 175                 pr_warning("Cannot open UI expander pin %d\n", sel_c);
 176                 goto exp_setup_selc_fail;
 177         }
 178
 179         /* deselect all functionalities */
 180         gpio_direction_output(sel_a, 1);
 181         gpio_direction_output(sel_b, 1);
 182         gpio_direction_output(sel_c, 1);
 183
 184         ui_card_detected = 1;
 185         pr_info("DA850/OMAP-L138 EVM UI card detected\n");
 186
 187         da850_evm_setup_nor_nand();
 188
 189         if (soc_info->emac_pdata->rmii_en)
 190                 /* enable RMII */
 191                 gpio_set_value(sel_a, 0);
 192
 193         return 0;
 194
 195 exp_setup_selc_fail:
 196         gpio_free(sel_b);
 197 exp_setup_selb_fail:
 198         gpio_free(sel_a);
 199 exp_setup_sela_fail:
 200         return ret;
 201 }
 202
 203 static int da850_evm_ui_expander_teardown(struct i2c_client *client,
 204                                         unsigned gpio, unsigned ngpio, void *c)
 205 {
 206         /* deselect all functionalities */
 207         gpio_set_value(gpio + 5, 1);
 208         gpio_set_value(gpio + 6, 1);
 209         gpio_set_value(gpio + 7, 1);
 210
 211         gpio_free(gpio + 5);
 212         gpio_free(gpio + 6);
 213         gpio_free(gpio + 7);
 214
 215         return 0;
 216 }
 217
 218 static struct pca953x_platform_data da850_evm_ui_expander_info = {
 219         .gpio_base      = DAVINCI_N_GPIO,
 220         .setup          = da850_evm_ui_expander_setup,
 221         .teardown       = da850_evm_ui_expander_teardown,
 222 };
 223
 224 static struct i2c_board_info __initdata da850_evm_i2c_devices[] = {
 225         {
 226                 I2C_BOARD_INFO("tlv320aic3x", 0x18),
 227         },
 228         {
 229                 I2C_BOARD_INFO("tca6416", 0x20),
 230                 .platform_data = &da850_evm_ui_expander_info,
 231         },
 232 };
 233
 234 static struct davinci_i2c_platform_data da850_evm_i2c_0_pdata = {
 235         .bus_freq       = 100,  /* kHz */
 236         .bus_delay      = 0,    /* usec */
 237 };
 238
 239 static struct davinci_uart_config da850_evm_uart_config __initdata = {
 240         .enabled_uarts = 0x7,
 241 };
 242
 243 static struct platform_device *da850_evm_devices[] __initdata = {
 244         &da850_evm_nandflash_device,
 245         &da850_evm_norflash_device,
 246 };
 247
 248 /* davinci da850 evm audio machine driver */
 249 static u8 da850_iis_serializer_direction[] = {
 250         INACTIVE_MODE,  INACTIVE_MODE,  INACTIVE_MODE,  INACTIVE_MODE,
 251         INACTIVE_MODE,  INACTIVE_MODE,  INACTIVE_MODE,  INACTIVE_MODE,
 252         INACTIVE_MODE,  INACTIVE_MODE,  INACTIVE_MODE,  TX_MODE,
 253         RX_MODE,        INACTIVE_MODE,  INACTIVE_MODE,  INACTIVE_MODE,
 254 };
 255
 256 static struct snd_platform_data da850_evm_snd_data = {
 257         .tx_dma_offset  = 0x2000,
 258         .rx_dma_offset  = 0x2000,
 259         .op_mode        = DAVINCI_MCASP_IIS_MODE,
 260         .num_serializer = ARRAY_SIZE(da850_iis_serializer_direction),
 261         .tdm_slots      = 2,
 262         .serial_dir     = da850_iis_serializer_direction,
 263         .eventq_no      = EVENTQ_1,
 264         .version        = MCASP_VERSION_2,
 265         .txnumevt       = 1,
 266         .rxnumevt       = 1,
 267 };
 268
 269 static int da850_evm_mmc_get_ro(int index)
 270 {
 271         return gpio_get_value(DA850_MMCSD_WP_PIN);
 272 }
 273
 274 static int da850_evm_mmc_get_cd(int index)
 275 {
 276         return !gpio_get_value(DA850_MMCSD_CD_PIN);
 277 }
 278
 279 static struct davinci_mmc_config da850_mmc_config = {
 280         .get_ro         = da850_evm_mmc_get_ro,
 281         .get_cd         = da850_evm_mmc_get_cd,
 282         .wires          = 4,
 283         .version        = MMC_CTLR_VERSION_2,
 284 };
 285
 286 static int da850_lcd_hw_init(void)
 287 {
 288         int status;
 289
 290         status = gpio_request(DA850_LCD_BL_PIN, "lcd bl\n");
 291         if (status < 0)
 292                 return status;
 293
 294         status = gpio_request(DA850_LCD_PWR_PIN, "lcd pwr\n");
 295         if (status < 0) {
 296                 gpio_free(DA850_LCD_BL_PIN);
 297                 return status;
 298         }
 299
 300         gpio_direction_output(DA850_LCD_BL_PIN, 0);
 301         gpio_direction_output(DA850_LCD_PWR_PIN, 0);
 302
 303         /* disable lcd backlight */
 304         gpio_set_value(DA850_LCD_BL_PIN, 0);
 305
 306         /* disable lcd power */
 307         gpio_set_value(DA850_LCD_PWR_PIN, 0);
 308
 309         /* enable lcd power */
 310         gpio_set_value(DA850_LCD_PWR_PIN, 1);
 311
 312         /* enable lcd backlight */
 313         gpio_set_value(DA850_LCD_BL_PIN, 1);
 314
 315         return 0;
 316 }
 317
 318 #define DA8XX_AEMIF_CE2CFG_OFFSET       0x10
 319 #define DA8XX_AEMIF_ASIZE_16BIT         0x1
 320
 321 static void __init da850_evm_init_nor(void)
 322 {
 323         void __iomem *aemif_addr;
 324
 325         aemif_addr = ioremap(DA8XX_AEMIF_CTL_BASE, SZ_32K);
 326
 327         /* Configure data bus width of CS2 to 16 bit */
 328         writel(readl(aemif_addr + DA8XX_AEMIF_CE2CFG_OFFSET) |
 329                 DA8XX_AEMIF_ASIZE_16BIT,
 330                 aemif_addr + DA8XX_AEMIF_CE2CFG_OFFSET);
 331
 332         iounmap(aemif_addr);
 333 }
 334
 335 /* TPS65070 voltage regulator support */
 336
 337 /* 3.3V */
 338 struct regulator_consumer_supply tps65070_dcdc1_consumers[] = {
 339         {
 340                 .supply = "usb0_vdda33",
 341         },
 342         {
 343                 .supply = "usb1_vdda33",
 344         },
 345 };
 346
 347 /* 3.3V or 1.8V */
 348 struct regulator_consumer_supply tps65070_dcdc2_consumers[] = {
 349         {
 350                 .supply = "dvdd3318_a",
 351         },
 352         {
 353                 .supply = "dvdd3318_b",
 354         },
 355         {
 356                 .supply = "dvdd3318_c",
 357         },
 358 };
 359
 360 /* 1.2V */
 361 struct regulator_consumer_supply tps65070_dcdc3_consumers[] = {
 362         {
 363                 .supply = "cvdd",
 364         },
 365 };
 366
 367 /* 1.8V LDO */
 368 struct regulator_consumer_supply tps65070_ldo1_consumers[] = {
 369         {
 370                 .supply = "sata_vddr",
 371         },
 372         {
 373                 .supply = "usb0_vdda18",
 374         },
 375         {
 376                 .supply = "usb1_vdda18",
 377         },
 378         {
 379                 .supply = "ddr_dvdd18",
 380         },
 381 };
 382
 383 /* 1.2V LDO */
 384 struct regulator_consumer_supply tps65070_ldo2_consumers[] = {
 385         {
 386                 .supply = "sata_vdd",
 387         },
 388         {
 389                 .supply = "pll0_vdda",
 390         },
 391         {
 392                 .supply = "pll1_vdda",
 393         },
 394         {
 395                 .supply = "usbs_cvdd",
 396         },
 397         {
 398                 .supply = "vddarnwa1",
 399         },
 400 };
 401
 402 struct regulator_init_data tps65070_regulator_data[] = {
 403         /* dcdc1 */
 404         {
 405                 .constraints = {
 406                         .min_uV = 3150000,
 407                         .max_uV = 3450000,
 408                         .valid_ops_mask = (REGULATOR_CHANGE_VOLTAGE |
 409                                 REGULATOR_CHANGE_STATUS),
 410                         .boot_on = 1,
 411                 },
 412                 .num_consumer_supplies = ARRAY_SIZE(tps65070_dcdc1_consumers),
 413                 .consumer_supplies = tps65070_dcdc1_consumers,
 414         },
 415
 416         /* dcdc2 */
 417         {
 418                 .constraints = {
 419                         .min_uV = 1710000,
 420                         .max_uV = 3450000,
 421                         .valid_ops_mask = (REGULATOR_CHANGE_VOLTAGE |
 422                                 REGULATOR_CHANGE_STATUS),
 423                         .boot_on = 1,
 424                 },
 425                 .num_consumer_supplies = ARRAY_SIZE(tps65070_dcdc2_consumers),
 426                 .consumer_supplies = tps65070_dcdc2_consumers,
 427         },
 428
 429         /* dcdc3 */
 430         {
 431                 .constraints = {
 432                         .min_uV = 950000,
 433                         .max_uV = 1320000,
 434                         .valid_ops_mask = (REGULATOR_CHANGE_VOLTAGE |
 435                                 REGULATOR_CHANGE_STATUS),
 436                         .boot_on = 1,
 437                 },
 438                 .num_consumer_supplies = ARRAY_SIZE(tps65070_dcdc3_consumers),
 439                 .consumer_supplies = tps65070_dcdc3_consumers,
 440         },
 441
 442         /* ldo1 */
 443         {
 444                 .constraints = {
 445                         .min_uV = 1710000,
 446                         .max_uV = 1890000,
 447                         .valid_ops_mask = (REGULATOR_CHANGE_VOLTAGE |
 448                                 REGULATOR_CHANGE_STATUS),
 449                         .boot_on = 1,
 450                 },
 451                 .num_consumer_supplies = ARRAY_SIZE(tps65070_ldo1_consumers),
 452                 .consumer_supplies = tps65070_ldo1_consumers,
 453         },
 454
 455         /* ldo2 */
 456         {
 457                 .constraints = {
 458                         .min_uV = 1140000,
 459                         .max_uV = 1320000,
 460                         .valid_ops_mask = (REGULATOR_CHANGE_VOLTAGE |
 461                                 REGULATOR_CHANGE_STATUS),
 462                         .boot_on = 1,
 463                 },
 464                 .num_consumer_supplies = ARRAY_SIZE(tps65070_ldo2_consumers),
 465                 .consumer_supplies = tps65070_ldo2_consumers,
 466         },
 467 };
 468
 469 static struct i2c_board_info __initdata da850evm_tps65070_info[] = {
 470         {
 471                 I2C_BOARD_INFO("tps6507x", 0x48),
 472                 .platform_data = &tps65070_regulator_data[0],
 473         },
 474 };
 475
 476 static int __init pmic_tps65070_init(void)
 477 {
 478         return i2c_register_board_info(1, da850evm_tps65070_info,
 479                                         ARRAY_SIZE(da850evm_tps65070_info));
 480 }
 481
 482 #if defined(CONFIG_MMC_DAVINCI) || \
 483     defined(CONFIG_MMC_DAVINCI_MODULE)
 484 #define HAS_MMC 1
 485 #else
 486 #define HAS_MMC 0
 487 #endif
 488
 489 static void da850_evm_setup_nor_nand(void)
 490 {
 491         int ret = 0;
 492
 493         if (ui_card_detected & !HAS_MMC) {
 494                 ret = da8xx_pinmux_setup(da850_nand_pins);
 495                 if (ret)
 496                         pr_warning("da850_evm_init: nand mux setup failed: "
 497                                         "%d\n", ret);
 498
 499                 ret = da8xx_pinmux_setup(da850_nor_pins);
 500                 if (ret)
 501                         pr_warning("da850_evm_init: nor mux setup failed: %d\n",
 502                                 ret);
 503
 504                 da850_evm_init_nor();
 505
 506                 platform_add_devices(da850_evm_devices,
 507                                         ARRAY_SIZE(da850_evm_devices));
 508         }
 509 }
 510
 511 static const short da850_evm_lcdc_pins[] = {
 512         DA850_GPIO2_8, DA850_GPIO2_15,
 513         -1
 514 };
 515
 516 static int __init da850_evm_config_emac(u8 rmii_en)
 517 {
 518         void __iomem *cfg_chip3_base;
 519         int ret;
 520         u32 val;
 521
 522         cfg_chip3_base = DA8XX_SYSCFG_VIRT(DA8XX_CFGCHIP3_REG);
 523
 524         /* configure the CFGCHIP3 register for RMII or MII */
 525         val = __raw_readl(cfg_chip3_base);
 526         if (rmii_en)
 527                 val |= BIT(8);
 528         else
 529                 val &= ~BIT(8);
 530
 531         __raw_writel(val, cfg_chip3_base);
 532
 533         if (!rmii_en)
 534                 ret = da8xx_pinmux_setup(da850_cpgmac_pins);
 535         else
 536                 ret = da8xx_pinmux_setup(da850_rmii_pins);
 537         if (ret)
 538                 pr_warning("da850_evm_init: cpgmac/rmii mux setup failed: %d\n",
 539                                 ret);
 540
 541         ret = davinci_cfg_reg(DA850_GPIO2_6);
 542         if (ret)
 543                 pr_warning("da850_evm_init:GPIO(2,6) mux setup "
 544                                                         "failed\n");
 545
 546         ret = gpio_request(DA850_MII_MDIO_CLKEN_PIN, "mdio_clk_en");
 547         if (ret) {
 548                 pr_warning("Cannot open GPIO %d\n",
 549                                         DA850_MII_MDIO_CLKEN_PIN);
 550                 return ret;
 551         }
 552
 553         if (rmii_en) {
 554                 /* Disable MII MDIO clock */
 555                 gpio_direction_output(DA850_MII_MDIO_CLKEN_PIN, 1);
 556                 pr_info("EMAC: RMII PHY configured, MII PHY will not be"
 557                                                         " functional\n");
 558         } else {
 559                 /* Enable MII MDIO clock */
 560                 gpio_direction_output(DA850_MII_MDIO_CLKEN_PIN, 0);
 561                 pr_info("EMAC: MII PHY configured, RMII PHY will not be"
 562                                                         " functional\n");
 563         }
 564
 565         return 0;
 566 }
 567
 568 static __init void da850_evm_init(void)
 569 {
 570         struct davinci_soc_info *soc_info = &davinci_soc_info;
 571         int ret;
 572
 573         ret = pmic_tps65070_init();
 574         if (ret)
 575                 pr_warning("da850_evm_init: TPS65070 PMIC init failed: %d\n",
 576                                 ret);
 577
 578         ret = da8xx_register_edma();
 579         if (ret)
 580                 pr_warning("da850_evm_init: edma registration failed: %d\n",
 581                                 ret);
 582
 583         ret = da8xx_pinmux_setup(da850_i2c0_pins);
 584         if (ret)
 585                 pr_warning("da850_evm_init: i2c0 mux setup failed: %d\n",
 586                                 ret);
 587
 588         ret = da8xx_register_i2c(0, &da850_evm_i2c_0_pdata);
 589         if (ret)
 590                 pr_warning("da850_evm_init: i2c0 registration failed: %d\n",
 591                                 ret);
 592
 593         soc_info->emac_pdata->phy_mask = DA850_EVM_PHY_MASK;
 594         soc_info->emac_pdata->mdio_max_freq = DA850_EVM_MDIO_FREQUENCY;
 595 #ifdef CONFIG_DA850_UI_RMII
 596         soc_info->emac_pdata->rmii_en = 1;
 597 #else
 598         soc_info->emac_pdata->rmii_en = 0;
 599 #endif
 600
 601         ret = da850_evm_config_emac(soc_info->emac_pdata->rmii_en);
 602         if (ret)
 603                 pr_warning("da850_evm_init: emac setup failed: %d\n", ret);
 604
 605         ret = da8xx_register_emac();
 606         if (ret)
 607                 pr_warning("da850_evm_init: emac registration failed: %d\n",
 608                                 ret);
 609
 610         ret = da8xx_register_watchdog();
 611         if (ret)
 612                 pr_warning("da830_evm_init: watchdog registration failed: %d\n",
 613                                 ret);
 614
 615         if (HAS_MMC) {
 616                 ret = da8xx_pinmux_setup(da850_mmcsd0_pins);
 617                 if (ret)
 618                         pr_warning("da850_evm_init: mmcsd0 mux setup failed:"
 619                                         " %d\n", ret);
 620
 621                 ret = gpio_request(DA850_MMCSD_CD_PIN, "MMC CD\n");
 622                 if (ret)
 623                         pr_warning("da850_evm_init: can not open GPIO %d\n",
 624                                         DA850_MMCSD_CD_PIN);
 625                 gpio_direction_input(DA850_MMCSD_CD_PIN);
 626
 627                 ret = gpio_request(DA850_MMCSD_WP_PIN, "MMC WP\n");
 628                 if (ret)
 629                         pr_warning("da850_evm_init: can not open GPIO %d\n",
 630                                         DA850_MMCSD_WP_PIN);
 631                 gpio_direction_input(DA850_MMCSD_WP_PIN);
 632
 633                 ret = da8xx_register_mmcsd0(&da850_mmc_config);
 634                 if (ret)
 635                         pr_warning("da850_evm_init: mmcsd0 registration failed:"
 636                                         " %d\n", ret);
 637         }
 638
 639         davinci_serial_init(&da850_evm_uart_config);
 640
 641         i2c_register_board_info(1, da850_evm_i2c_devices,
 642                         ARRAY_SIZE(da850_evm_i2c_devices));
 643
 644         /*
 645          * shut down uart 0 and 1; they are not used on the board and
 646          * accessing them causes endless "too much work in irq53" messages
 647          * with arago fs
 648          */
 649         __raw_writel(0, IO_ADDRESS(DA8XX_UART1_BASE) + 0x30);
 650         __raw_writel(0, IO_ADDRESS(DA8XX_UART0_BASE) + 0x30);
 651
 652         ret = da8xx_pinmux_setup(da850_mcasp_pins);
 653         if (ret)
 654                 pr_warning("da850_evm_init: mcasp mux setup failed: %d\n",
 655                                 ret);
 656
 657         da8xx_register_mcasp(0, &da850_evm_snd_data);
 658
 659         ret = da8xx_pinmux_setup(da850_lcdcntl_pins);
 660         if (ret)
 661                 pr_warning("da850_evm_init: lcdcntl mux setup failed: %d\n",
 662                                 ret);
 663
 664         /* Handle board specific muxing for LCD here */
 665         ret = da8xx_pinmux_setup(da850_evm_lcdc_pins);
 666         if (ret)
 667                 pr_warning("da850_evm_init: evm specific lcd mux setup "
 668                                 "failed: %d\n", ret);
 669
 670         ret = da850_lcd_hw_init();
 671         if (ret)
 672                 pr_warning("da850_evm_init: lcd initialization failed: %d\n",
 673                                 ret);
 674
 675         ret = da8xx_register_lcdc(&sharp_lk043t1dg01_pdata);
 676         if (ret)
 677                 pr_warning("da850_evm_init: lcdc registration failed: %d\n",
 678                                 ret);
 679
 680         ret = da8xx_register_rtc();
 681         if (ret)
 682                 pr_warning("da850_evm_init: rtc setup failed: %d\n", ret);
 683
 684         ret = da850_register_cpufreq();
 685         if (ret)
 686                 pr_warning("da850_evm_init: cpufreq registration failed: %d\n",
 687                                 ret);
 688 }
 689
 690 #ifdef CONFIG_SERIAL_8250_CONSOLE
 691 static int __init da850_evm_console_init(void)
 692 {
 693         return add_preferred_console("ttyS", 2, "115200");
 694 }
 695 console_initcall(da850_evm_console_init);
 696 #endif
 697
 698 static __init void da850_evm_irq_init(void)
 699 {
 700         struct davinci_soc_info *soc_info = &davinci_soc_info;
 701
 702         cp_intc_init((void __iomem *)DA8XX_CP_INTC_VIRT, DA850_N_CP_INTC_IRQ,
 703                         soc_info->intc_irq_prios);
 704 }
 705
 706 static void __init da850_evm_map_io(void)
 707 {
 708         da850_init();
 709 }
 710
 711 MACHINE_START(DAVINCI_DA850_EVM, "DaVinci DA850/OMAP-L138 EVM")
 712         .phys_io        = IO_PHYS,
 713         .io_pg_offst    = (__IO_ADDRESS(IO_PHYS) >> 18) & 0xfffc,
 714         .boot_params    = (DA8XX_DDR_BASE + 0x100),
 715         .map_io         = da850_evm_map_io,
 716         .init_irq       = da850_evm_irq_init,
 717         .timer          = &davinci_timer,
 718         .init_machine   = da850_evm_init,
 719 MACHINE_END