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           = "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 #ifdef CONFIG_DA850_UI_RMII
 152 static inline void da850_evm_setup_emac_rmii(int rmii_sel)
 153 {
 154         struct davinci_soc_info *soc_info = &davinci_soc_info;
 155
 156         soc_info->emac_pdata->rmii_en = 1;
 157         gpio_set_value(rmii_sel, 0);
 158 }
 159 #else
 160 static inline void da850_evm_setup_emac_rmii(int rmii_sel) { }
 161 #endif
 162
 163 static int da850_evm_ui_expander_setup(struct i2c_client *client, unsigned gpio,
 164                                                 unsigned ngpio, void *c)
 165 {
 166         int sel_a, sel_b, sel_c, ret;
 167
 168         sel_a = gpio + 7;
 169         sel_b = gpio + 6;
 170         sel_c = gpio + 5;
 171
 172         ret = gpio_request(sel_a, "sel_a");
 173         if (ret) {
 174                 pr_warning("Cannot open UI expander pin %d\n", sel_a);
 175                 goto exp_setup_sela_fail;
 176         }
 177
 178         ret = gpio_request(sel_b, "sel_b");
 179         if (ret) {
 180                 pr_warning("Cannot open UI expander pin %d\n", sel_b);
 181                 goto exp_setup_selb_fail;
 182         }
 183
 184         ret = gpio_request(sel_c, "sel_c");
 185         if (ret) {
 186                 pr_warning("Cannot open UI expander pin %d\n", sel_c);
 187                 goto exp_setup_selc_fail;
 188         }
 189
 190         /* deselect all functionalities */
 191         gpio_direction_output(sel_a, 1);
 192         gpio_direction_output(sel_b, 1);
 193         gpio_direction_output(sel_c, 1);
 194
 195         ui_card_detected = 1;
 196         pr_info("DA850/OMAP-L138 EVM UI card detected\n");
 197
 198         da850_evm_setup_nor_nand();
 199
 200         da850_evm_setup_emac_rmii(sel_a);
 201
 202         return 0;
 203
 204 exp_setup_selc_fail:
 205         gpio_free(sel_b);
 206 exp_setup_selb_fail:
 207         gpio_free(sel_a);
 208 exp_setup_sela_fail:
 209         return ret;
 210 }
 211
 212 static int da850_evm_ui_expander_teardown(struct i2c_client *client,
 213                                         unsigned gpio, unsigned ngpio, void *c)
 214 {
 215         /* deselect all functionalities */
 216         gpio_set_value(gpio + 5, 1);
 217         gpio_set_value(gpio + 6, 1);
 218         gpio_set_value(gpio + 7, 1);
 219
 220         gpio_free(gpio + 5);
 221         gpio_free(gpio + 6);
 222         gpio_free(gpio + 7);
 223
 224         return 0;
 225 }
 226
 227 static struct pca953x_platform_data da850_evm_ui_expander_info = {
 228         .gpio_base      = DAVINCI_N_GPIO,
 229         .setup          = da850_evm_ui_expander_setup,
 230         .teardown       = da850_evm_ui_expander_teardown,
 231 };
 232
 233 static struct i2c_board_info __initdata da850_evm_i2c_devices[] = {
 234         {
 235                 I2C_BOARD_INFO("tlv320aic3x", 0x18),
 236         },
 237         {
 238                 I2C_BOARD_INFO("tca6416", 0x20),
 239                 .platform_data = &da850_evm_ui_expander_info,
 240         },
 241 };
 242
 243 static struct davinci_i2c_platform_data da850_evm_i2c_0_pdata = {
 244         .bus_freq       = 100,  /* kHz */
 245         .bus_delay      = 0,    /* usec */
 246 };
 247
 248 static struct davinci_uart_config da850_evm_uart_config __initdata = {
 249         .enabled_uarts = 0x7,
 250 };
 251
 252 static struct platform_device *da850_evm_devices[] __initdata = {
 253         &da850_evm_nandflash_device,
 254         &da850_evm_norflash_device,
 255 };
 256
 257 /* davinci da850 evm audio machine driver */
 258 static u8 da850_iis_serializer_direction[] = {
 259         INACTIVE_MODE,  INACTIVE_MODE,  INACTIVE_MODE,  INACTIVE_MODE,
 260         INACTIVE_MODE,  INACTIVE_MODE,  INACTIVE_MODE,  INACTIVE_MODE,
 261         INACTIVE_MODE,  INACTIVE_MODE,  INACTIVE_MODE,  TX_MODE,
 262         RX_MODE,        INACTIVE_MODE,  INACTIVE_MODE,  INACTIVE_MODE,
 263 };
 264
 265 static struct snd_platform_data da850_evm_snd_data = {
 266         .tx_dma_offset  = 0x2000,
 267         .rx_dma_offset  = 0x2000,
 268         .op_mode        = DAVINCI_MCASP_IIS_MODE,
 269         .num_serializer = ARRAY_SIZE(da850_iis_serializer_direction),
 270         .tdm_slots      = 2,
 271         .serial_dir     = da850_iis_serializer_direction,
 272         .eventq_no      = EVENTQ_1,
 273         .version        = MCASP_VERSION_2,
 274         .txnumevt       = 1,
 275         .rxnumevt       = 1,
 276 };
 277
 278 static int da850_evm_mmc_get_ro(int index)
 279 {
 280         return gpio_get_value(DA850_MMCSD_WP_PIN);
 281 }
 282
 283 static int da850_evm_mmc_get_cd(int index)
 284 {
 285         return !gpio_get_value(DA850_MMCSD_CD_PIN);
 286 }
 287
 288 static struct davinci_mmc_config da850_mmc_config = {
 289         .get_ro         = da850_evm_mmc_get_ro,
 290         .get_cd         = da850_evm_mmc_get_cd,
 291         .wires          = 4,
 292         .version        = MMC_CTLR_VERSION_2,
 293 };
 294
 295 static int da850_lcd_hw_init(void)
 296 {
 297         int status;
 298
 299         status = gpio_request(DA850_LCD_BL_PIN, "lcd bl\n");
 300         if (status < 0)
 301                 return status;
 302
 303         status = gpio_request(DA850_LCD_PWR_PIN, "lcd pwr\n");
 304         if (status < 0) {
 305                 gpio_free(DA850_LCD_BL_PIN);
 306                 return status;
 307         }
 308
 309         gpio_direction_output(DA850_LCD_BL_PIN, 0);
 310         gpio_direction_output(DA850_LCD_PWR_PIN, 0);
 311
 312         /* disable lcd backlight */
 313         gpio_set_value(DA850_LCD_BL_PIN, 0);
 314
 315         /* disable lcd power */
 316         gpio_set_value(DA850_LCD_PWR_PIN, 0);
 317
 318         /* enable lcd power */
 319         gpio_set_value(DA850_LCD_PWR_PIN, 1);
 320
 321         /* enable lcd backlight */
 322         gpio_set_value(DA850_LCD_BL_PIN, 1);
 323
 324         return 0;
 325 }
 326
 327 #define DA8XX_AEMIF_CE2CFG_OFFSET       0x10
 328 #define DA8XX_AEMIF_ASIZE_16BIT         0x1
 329
 330 static void __init da850_evm_init_nor(void)
 331 {
 332         void __iomem *aemif_addr;
 333
 334         aemif_addr = ioremap(DA8XX_AEMIF_CTL_BASE, SZ_32K);
 335
 336         /* Configure data bus width of CS2 to 16 bit */
 337         writel(readl(aemif_addr + DA8XX_AEMIF_CE2CFG_OFFSET) |
 338                 DA8XX_AEMIF_ASIZE_16BIT,
 339                 aemif_addr + DA8XX_AEMIF_CE2CFG_OFFSET);
 340
 341         iounmap(aemif_addr);
 342 }
 343
 344 /* TPS65070 voltage regulator support */
 345
 346 /* 3.3V */
 347 struct regulator_consumer_supply tps65070_dcdc1_consumers[] = {
 348         {
 349                 .supply = "usb0_vdda33",
 350         },
 351         {
 352                 .supply = "usb1_vdda33",
 353         },
 354 };
 355
 356 /* 3.3V or 1.8V */
 357 struct regulator_consumer_supply tps65070_dcdc2_consumers[] = {
 358         {
 359                 .supply = "dvdd3318_a",
 360         },
 361         {
 362                 .supply = "dvdd3318_b",
 363         },
 364         {
 365                 .supply = "dvdd3318_c",
 366         },
 367 };
 368
 369 /* 1.2V */
 370 struct regulator_consumer_supply tps65070_dcdc3_consumers[] = {
 371         {
 372                 .supply = "cvdd",
 373         },
 374 };
 375
 376 /* 1.8V LDO */
 377 struct regulator_consumer_supply tps65070_ldo1_consumers[] = {
 378         {
 379                 .supply = "sata_vddr",
 380         },
 381         {
 382                 .supply = "usb0_vdda18",
 383         },
 384         {
 385                 .supply = "usb1_vdda18",
 386         },
 387         {
 388                 .supply = "ddr_dvdd18",
 389         },
 390 };
 391
 392 /* 1.2V LDO */
 393 struct regulator_consumer_supply tps65070_ldo2_consumers[] = {
 394         {
 395                 .supply = "sata_vdd",
 396         },
 397         {
 398                 .supply = "pll0_vdda",
 399         },
 400         {
 401                 .supply = "pll1_vdda",
 402         },
 403         {
 404                 .supply = "usbs_cvdd",
 405         },
 406         {
 407                 .supply = "vddarnwa1",
 408         },
 409 };
 410
 411 struct regulator_init_data tps65070_regulator_data[] = {
 412         /* dcdc1 */
 413         {
 414                 .constraints = {
 415                         .min_uV = 3150000,
 416                         .max_uV = 3450000,
 417                         .valid_ops_mask = (REGULATOR_CHANGE_VOLTAGE |
 418                                 REGULATOR_CHANGE_STATUS),
 419                         .boot_on = 1,
 420                 },
 421                 .num_consumer_supplies = ARRAY_SIZE(tps65070_dcdc1_consumers),
 422                 .consumer_supplies = tps65070_dcdc1_consumers,
 423         },
 424
 425         /* dcdc2 */
 426         {
 427                 .constraints = {
 428                         .min_uV = 1710000,
 429                         .max_uV = 3450000,
 430                         .valid_ops_mask = (REGULATOR_CHANGE_VOLTAGE |
 431                                 REGULATOR_CHANGE_STATUS),
 432                         .boot_on = 1,
 433                 },
 434                 .num_consumer_supplies = ARRAY_SIZE(tps65070_dcdc2_consumers),
 435                 .consumer_supplies = tps65070_dcdc2_consumers,
 436         },
 437
 438         /* dcdc3 */
 439         {
 440                 .constraints = {
 441                         .min_uV = 950000,
 442                         .max_uV = 1320000,
 443                         .valid_ops_mask = (REGULATOR_CHANGE_VOLTAGE |
 444                                 REGULATOR_CHANGE_STATUS),
 445                         .boot_on = 1,
 446                 },
 447                 .num_consumer_supplies = ARRAY_SIZE(tps65070_dcdc3_consumers),
 448                 .consumer_supplies = tps65070_dcdc3_consumers,
 449         },
 450
 451         /* ldo1 */
 452         {
 453                 .constraints = {
 454                         .min_uV = 1710000,
 455                         .max_uV = 1890000,
 456                         .valid_ops_mask = (REGULATOR_CHANGE_VOLTAGE |
 457                                 REGULATOR_CHANGE_STATUS),
 458                         .boot_on = 1,
 459                 },
 460                 .num_consumer_supplies = ARRAY_SIZE(tps65070_ldo1_consumers),
 461                 .consumer_supplies = tps65070_ldo1_consumers,
 462         },
 463
 464         /* ldo2 */
 465         {
 466                 .constraints = {
 467                         .min_uV = 1140000,
 468                         .max_uV = 1320000,
 469                         .valid_ops_mask = (REGULATOR_CHANGE_VOLTAGE |
 470                                 REGULATOR_CHANGE_STATUS),
 471                         .boot_on = 1,
 472                 },
 473                 .num_consumer_supplies = ARRAY_SIZE(tps65070_ldo2_consumers),
 474                 .consumer_supplies = tps65070_ldo2_consumers,
 475         },
 476 };
 477
 478 static struct i2c_board_info __initdata da850evm_tps65070_info[] = {
 479         {
 480                 I2C_BOARD_INFO("tps6507x", 0x48),
 481                 .platform_data = &tps65070_regulator_data[0],
 482         },
 483 };
 484
 485 static int __init pmic_tps65070_init(void)
 486 {
 487         return i2c_register_board_info(1, da850evm_tps65070_info,
 488                                         ARRAY_SIZE(da850evm_tps65070_info));
 489 }
 490
 491 #if defined(CONFIG_MMC_DAVINCI) || \
 492     defined(CONFIG_MMC_DAVINCI_MODULE)
 493 #define HAS_MMC 1
 494 #else
 495 #define HAS_MMC 0
 496 #endif
 497
 498 static void da850_evm_setup_nor_nand(void)
 499 {
 500         int ret = 0;
 501
 502         if (ui_card_detected & !HAS_MMC) {
 503                 ret = da8xx_pinmux_setup(da850_nand_pins);
 504                 if (ret)
 505                         pr_warning("da850_evm_init: nand mux setup failed: "
 506                                         "%d\n", ret);
 507
 508                 ret = da8xx_pinmux_setup(da850_nor_pins);
 509                 if (ret)
 510                         pr_warning("da850_evm_init: nor mux setup failed: %d\n",
 511                                 ret);
 512
 513                 da850_evm_init_nor();
 514
 515                 platform_add_devices(da850_evm_devices,
 516                                         ARRAY_SIZE(da850_evm_devices));
 517         }
 518 }
 519
 520 static const short da850_evm_lcdc_pins[] = {
 521         DA850_GPIO2_8, DA850_GPIO2_15,
 522         -1
 523 };
 524
 525 static int __init da850_evm_config_emac(void)
 526 {
 527         void __iomem *cfg_chip3_base;
 528         int ret;
 529         u32 val;
 530         struct davinci_soc_info *soc_info = &davinci_soc_info;
 531         u8 rmii_en = soc_info->emac_pdata->rmii_en;
 532
 533         if (!machine_is_davinci_da850_evm())
 534                 return 0;
 535
 536         cfg_chip3_base = DA8XX_SYSCFG_VIRT(DA8XX_CFGCHIP3_REG);
 537
 538         /* configure the CFGCHIP3 register for RMII or MII */
 539         val = __raw_readl(cfg_chip3_base);
 540         if (rmii_en)
 541                 val |= BIT(8);
 542         else
 543                 val &= ~BIT(8);
 544
 545         __raw_writel(val, cfg_chip3_base);
 546
 547         if (!rmii_en)
 548                 ret = da8xx_pinmux_setup(da850_cpgmac_pins);
 549         else
 550                 ret = da8xx_pinmux_setup(da850_rmii_pins);
 551         if (ret)
 552                 pr_warning("da850_evm_init: cpgmac/rmii mux setup failed: %d\n",
 553                                 ret);
 554
 555         ret = davinci_cfg_reg(DA850_GPIO2_6);
 556         if (ret)
 557                 pr_warning("da850_evm_init:GPIO(2,6) mux setup "
 558                                                         "failed\n");
 559
 560         ret = gpio_request(DA850_MII_MDIO_CLKEN_PIN, "mdio_clk_en");
 561         if (ret) {
 562                 pr_warning("Cannot open GPIO %d\n",
 563                                         DA850_MII_MDIO_CLKEN_PIN);
 564                 return ret;
 565         }
 566
 567         if (rmii_en) {
 568                 /* Disable MII MDIO clock */
 569                 gpio_direction_output(DA850_MII_MDIO_CLKEN_PIN, 1);
 570                 pr_info("EMAC: RMII PHY configured, MII PHY will not be"
 571                                                         " functional\n");
 572         } else {
 573                 /* Enable MII MDIO clock */
 574                 gpio_direction_output(DA850_MII_MDIO_CLKEN_PIN, 0);
 575                 pr_info("EMAC: MII PHY configured, RMII PHY will not be"
 576                                                         " functional\n");
 577         }
 578
 579         soc_info->emac_pdata->phy_mask = DA850_EVM_PHY_MASK;
 580         soc_info->emac_pdata->mdio_max_freq = DA850_EVM_MDIO_FREQUENCY;
 581
 582         ret = da8xx_register_emac();
 583         if (ret)
 584                 pr_warning("da850_evm_init: emac registration failed: %d\n",
 585                                 ret);
 586
 587         return 0;
 588 }
 589 device_initcall(da850_evm_config_emac);
 590
 591 static __init void da850_evm_init(void)
 592 {
 593         int ret;
 594
 595         ret = pmic_tps65070_init();
 596         if (ret)
 597                 pr_warning("da850_evm_init: TPS65070 PMIC init failed: %d\n",
 598                                 ret);
 599
 600         ret = da8xx_register_edma();
 601         if (ret)
 602                 pr_warning("da850_evm_init: edma registration failed: %d\n",
 603                                 ret);
 604
 605         ret = da8xx_pinmux_setup(da850_i2c0_pins);
 606         if (ret)
 607                 pr_warning("da850_evm_init: i2c0 mux setup failed: %d\n",
 608                                 ret);
 609
 610         ret = da8xx_register_i2c(0, &da850_evm_i2c_0_pdata);
 611         if (ret)
 612                 pr_warning("da850_evm_init: i2c0 registration failed: %d\n",
 613                                 ret);
 614
 615
 616         ret = da8xx_register_watchdog();
 617         if (ret)
 618                 pr_warning("da830_evm_init: watchdog registration failed: %d\n",
 619                                 ret);
 620
 621         if (HAS_MMC) {
 622                 ret = da8xx_pinmux_setup(da850_mmcsd0_pins);
 623                 if (ret)
 624                         pr_warning("da850_evm_init: mmcsd0 mux setup failed:"
 625                                         " %d\n", ret);
 626
 627                 ret = gpio_request(DA850_MMCSD_CD_PIN, "MMC CD\n");
 628                 if (ret)
 629                         pr_warning("da850_evm_init: can not open GPIO %d\n",
 630                                         DA850_MMCSD_CD_PIN);
 631                 gpio_direction_input(DA850_MMCSD_CD_PIN);
 632
 633                 ret = gpio_request(DA850_MMCSD_WP_PIN, "MMC WP\n");
 634                 if (ret)
 635                         pr_warning("da850_evm_init: can not open GPIO %d\n",
 636                                         DA850_MMCSD_WP_PIN);
 637                 gpio_direction_input(DA850_MMCSD_WP_PIN);
 638
 639                 ret = da8xx_register_mmcsd0(&da850_mmc_config);
 640                 if (ret)
 641                         pr_warning("da850_evm_init: mmcsd0 registration failed:"
 642                                         " %d\n", ret);
 643         }
 644
 645         davinci_serial_init(&da850_evm_uart_config);
 646
 647         i2c_register_board_info(1, da850_evm_i2c_devices,
 648                         ARRAY_SIZE(da850_evm_i2c_devices));
 649
 650         /*
 651          * shut down uart 0 and 1; they are not used on the board and
 652          * accessing them causes endless "too much work in irq53" messages
 653          * with arago fs
 654          */
 655         __raw_writel(0, IO_ADDRESS(DA8XX_UART1_BASE) + 0x30);
 656         __raw_writel(0, IO_ADDRESS(DA8XX_UART0_BASE) + 0x30);
 657
 658         ret = da8xx_pinmux_setup(da850_mcasp_pins);
 659         if (ret)
 660                 pr_warning("da850_evm_init: mcasp mux setup failed: %d\n",
 661                                 ret);
 662
 663         da8xx_register_mcasp(0, &da850_evm_snd_data);
 664
 665         ret = da8xx_pinmux_setup(da850_lcdcntl_pins);
 666         if (ret)
 667                 pr_warning("da850_evm_init: lcdcntl mux setup failed: %d\n",
 668                                 ret);
 669
 670         /* Handle board specific muxing for LCD here */
 671         ret = da8xx_pinmux_setup(da850_evm_lcdc_pins);
 672         if (ret)
 673                 pr_warning("da850_evm_init: evm specific lcd mux setup "
 674                                 "failed: %d\n", ret);
 675
 676         ret = da850_lcd_hw_init();
 677         if (ret)
 678                 pr_warning("da850_evm_init: lcd initialization failed: %d\n",
 679                                 ret);
 680
 681         ret = da8xx_register_lcdc(&sharp_lk043t1dg01_pdata);
 682         if (ret)
 683                 pr_warning("da850_evm_init: lcdc registration failed: %d\n",
 684                                 ret);
 685
 686         ret = da8xx_register_rtc();
 687         if (ret)
 688                 pr_warning("da850_evm_init: rtc setup failed: %d\n", ret);
 689
 690         ret = da850_register_cpufreq();
 691         if (ret)
 692                 pr_warning("da850_evm_init: cpufreq registration failed: %d\n",
 693                                 ret);
 694 }
 695
 696 #ifdef CONFIG_SERIAL_8250_CONSOLE
 697 static int __init da850_evm_console_init(void)
 698 {
 699         return add_preferred_console("ttyS", 2, "115200");
 700 }
 701 console_initcall(da850_evm_console_init);
 702 #endif
 703
 704 static __init void da850_evm_irq_init(void)
 705 {
 706         struct davinci_soc_info *soc_info = &davinci_soc_info;
 707
 708         cp_intc_init((void __iomem *)DA8XX_CP_INTC_VIRT, DA850_N_CP_INTC_IRQ,
 709                         soc_info->intc_irq_prios);
 710 }
 711
 712 static void __init da850_evm_map_io(void)
 713 {
 714         da850_init();
 715 }
 716
 717 MACHINE_START(DAVINCI_DA850_EVM, "DaVinci DA850/OMAP-L138 EVM")
 718         .phys_io        = IO_PHYS,
 719         .io_pg_offst    = (__IO_ADDRESS(IO_PHYS) >> 18) & 0xfffc,
 720         .boot_params    = (DA8XX_DDR_BASE + 0x100),
 721         .map_io         = da850_evm_map_io,
 722         .init_irq       = da850_evm_irq_init,
 723         .timer          = &davinci_timer,
 724         .init_machine   = da850_evm_init,
 725 MACHINE_END