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/mfd/tps6507x.h>
  21 #include <linux/gpio.h>
  22 #include <linux/platform_device.h>
  23 #include <linux/mtd/mtd.h>
  24 #include <linux/mtd/nand.h>
  25 #include <linux/mtd/partitions.h>
  26 #include <linux/mtd/physmap.h>
  27 #include <linux/regulator/machine.h>
  28 #include <linux/regulator/tps6507x.h>
  29 #include <linux/mfd/tps6507x.h>
  30 #include <linux/input/tps6507x-ts.h>
  31
  32 #include <asm/mach-types.h>
  33 #include <asm/mach/arch.h>
  34
  35 #include <mach/cp_intc.h>
  36 #include <mach/da8xx.h>
  37 #include <mach/nand.h>
  38 #include <mach/mux.h>
  39 #include <mach/aemif.h>
  40
  41 #define DA850_EVM_PHY_ID                "0:00"
  42 #define DA850_LCD_PWR_PIN               GPIO_TO_PIN(2, 8)
  43 #define DA850_LCD_BL_PIN                GPIO_TO_PIN(2, 15)
  44
  45 #define DA850_MMCSD_CD_PIN              GPIO_TO_PIN(4, 0)
  46 #define DA850_MMCSD_WP_PIN              GPIO_TO_PIN(4, 1)
  47
  48 #define DA850_MII_MDIO_CLKEN_PIN        GPIO_TO_PIN(2, 6)
  49
  50 static struct mtd_partition da850_evm_norflash_partition[] = {
  51         {
  52                 .name           = "bootloaders + env",
  53                 .offset         = 0,
  54                 .size           = SZ_512K,
  55                 .mask_flags     = MTD_WRITEABLE,
  56         },
  57         {
  58                 .name           = "kernel",
  59                 .offset         = MTDPART_OFS_APPEND,
  60                 .size           = SZ_2M,
  61                 .mask_flags     = 0,
  62         },
  63         {
  64                 .name           = "filesystem",
  65                 .offset         = MTDPART_OFS_APPEND,
  66                 .size           = MTDPART_SIZ_FULL,
  67                 .mask_flags     = 0,
  68         },
  69 };
  70
  71 static struct physmap_flash_data da850_evm_norflash_data = {
  72         .width          = 2,
  73         .parts          = da850_evm_norflash_partition,
  74         .nr_parts       = ARRAY_SIZE(da850_evm_norflash_partition),
  75 };
  76
  77 static struct resource da850_evm_norflash_resource[] = {
  78         {
  79                 .start  = DA8XX_AEMIF_CS2_BASE,
  80                 .end    = DA8XX_AEMIF_CS2_BASE + SZ_32M - 1,
  81                 .flags  = IORESOURCE_MEM,
  82         },
  83 };
  84
  85 static struct platform_device da850_evm_norflash_device = {
  86         .name           = "physmap-flash",
  87         .id             = 0,
  88         .dev            = {
  89                 .platform_data  = &da850_evm_norflash_data,
  90         },
  91         .num_resources  = 1,
  92         .resource       = da850_evm_norflash_resource,
  93 };
  94
  95 static struct davinci_pm_config da850_pm_pdata = {
  96         .sleepcount = 128,
  97 };
  98
  99 static struct platform_device da850_pm_device = {
 100         .name           = "pm-davinci",
 101         .dev = {
 102                 .platform_data  = &da850_pm_pdata,
 103         },
 104         .id             = -1,
 105 };
 106
 107 /* DA850/OMAP-L138 EVM includes a 512 MByte large-page NAND flash
 108  * (128K blocks). It may be used instead of the (default) SPI flash
 109  * to boot, using TI's tools to install the secondary boot loader
 110  * (UBL) and U-Boot.
 111  */
 112 static struct mtd_partition da850_evm_nandflash_partition[] = {
 113         {
 114                 .name           = "u-boot env",
 115                 .offset         = 0,
 116                 .size           = SZ_128K,
 117                 .mask_flags     = MTD_WRITEABLE,
 118          },
 119         {
 120                 .name           = "UBL",
 121                 .offset         = MTDPART_OFS_APPEND,
 122                 .size           = SZ_128K,
 123                 .mask_flags     = MTD_WRITEABLE,
 124         },
 125         {
 126                 .name           = "u-boot",
 127                 .offset         = MTDPART_OFS_APPEND,
 128                 .size           = 4 * SZ_128K,
 129                 .mask_flags     = MTD_WRITEABLE,
 130         },
 131         {
 132                 .name           = "kernel",
 133                 .offset         = 0x200000,
 134                 .size           = SZ_2M,
 135                 .mask_flags     = 0,
 136         },
 137         {
 138                 .name           = "filesystem",
 139                 .offset         = MTDPART_OFS_APPEND,
 140                 .size           = MTDPART_SIZ_FULL,
 141                 .mask_flags     = 0,
 142         },
 143 };
 144
 145 static struct davinci_aemif_timing da850_evm_nandflash_timing = {
 146         .wsetup         = 24,
 147         .wstrobe        = 21,
 148         .whold          = 14,
 149         .rsetup         = 19,
 150         .rstrobe        = 50,
 151         .rhold          = 0,
 152         .ta             = 20,
 153 };
 154
 155 static struct davinci_nand_pdata da850_evm_nandflash_data = {
 156         .parts          = da850_evm_nandflash_partition,
 157         .nr_parts       = ARRAY_SIZE(da850_evm_nandflash_partition),
 158         .ecc_mode       = NAND_ECC_HW,
 159         .ecc_bits       = 4,
 160         .options        = NAND_USE_FLASH_BBT,
 161         .timing         = &da850_evm_nandflash_timing,
 162 };
 163
 164 static struct resource da850_evm_nandflash_resource[] = {
 165         {
 166                 .start  = DA8XX_AEMIF_CS3_BASE,
 167                 .end    = DA8XX_AEMIF_CS3_BASE + SZ_512K + 2 * SZ_1K - 1,
 168                 .flags  = IORESOURCE_MEM,
 169         },
 170         {
 171                 .start  = DA8XX_AEMIF_CTL_BASE,
 172                 .end    = DA8XX_AEMIF_CTL_BASE + SZ_32K - 1,
 173                 .flags  = IORESOURCE_MEM,
 174         },
 175 };
 176
 177 static struct platform_device da850_evm_nandflash_device = {
 178         .name           = "davinci_nand",
 179         .id             = 1,
 180         .dev            = {
 181                 .platform_data  = &da850_evm_nandflash_data,
 182         },
 183         .num_resources  = ARRAY_SIZE(da850_evm_nandflash_resource),
 184         .resource       = da850_evm_nandflash_resource,
 185 };
 186
 187 static struct platform_device *da850_evm_devices[] __initdata = {
 188         &da850_evm_nandflash_device,
 189         &da850_evm_norflash_device,
 190 };
 191
 192 #define DA8XX_AEMIF_CE2CFG_OFFSET       0x10
 193 #define DA8XX_AEMIF_ASIZE_16BIT         0x1
 194
 195 static void __init da850_evm_init_nor(void)
 196 {
 197         void __iomem *aemif_addr;
 198
 199         aemif_addr = ioremap(DA8XX_AEMIF_CTL_BASE, SZ_32K);
 200
 201         /* Configure data bus width of CS2 to 16 bit */
 202         writel(readl(aemif_addr + DA8XX_AEMIF_CE2CFG_OFFSET) |
 203                 DA8XX_AEMIF_ASIZE_16BIT,
 204                 aemif_addr + DA8XX_AEMIF_CE2CFG_OFFSET);
 205
 206         iounmap(aemif_addr);
 207 }
 208
 209 static const short da850_evm_nand_pins[] = {
 210         DA850_EMA_D_0, DA850_EMA_D_1, DA850_EMA_D_2, DA850_EMA_D_3,
 211         DA850_EMA_D_4, DA850_EMA_D_5, DA850_EMA_D_6, DA850_EMA_D_7,
 212         DA850_EMA_A_1, DA850_EMA_A_2, DA850_NEMA_CS_3, DA850_NEMA_CS_4,
 213         DA850_NEMA_WE, DA850_NEMA_OE,
 214         -1
 215 };
 216
 217 static const short da850_evm_nor_pins[] = {
 218         DA850_EMA_BA_1, DA850_EMA_CLK, DA850_EMA_WAIT_1, DA850_NEMA_CS_2,
 219         DA850_NEMA_WE, DA850_NEMA_OE, DA850_EMA_D_0, DA850_EMA_D_1,
 220         DA850_EMA_D_2, DA850_EMA_D_3, DA850_EMA_D_4, DA850_EMA_D_5,
 221         DA850_EMA_D_6, DA850_EMA_D_7, DA850_EMA_D_8, DA850_EMA_D_9,
 222         DA850_EMA_D_10, DA850_EMA_D_11, DA850_EMA_D_12, DA850_EMA_D_13,
 223         DA850_EMA_D_14, DA850_EMA_D_15, DA850_EMA_A_0, DA850_EMA_A_1,
 224         DA850_EMA_A_2, DA850_EMA_A_3, DA850_EMA_A_4, DA850_EMA_A_5,
 225         DA850_EMA_A_6, DA850_EMA_A_7, DA850_EMA_A_8, DA850_EMA_A_9,
 226         DA850_EMA_A_10, DA850_EMA_A_11, DA850_EMA_A_12, DA850_EMA_A_13,
 227         DA850_EMA_A_14, DA850_EMA_A_15, DA850_EMA_A_16, DA850_EMA_A_17,
 228         DA850_EMA_A_18, DA850_EMA_A_19, DA850_EMA_A_20, DA850_EMA_A_21,
 229         DA850_EMA_A_22, DA850_EMA_A_23,
 230         -1
 231 };
 232
 233 static u32 ui_card_detected;
 234
 235 #if defined(CONFIG_MMC_DAVINCI) || \
 236     defined(CONFIG_MMC_DAVINCI_MODULE)
 237 #define HAS_MMC 1
 238 #else
 239 #define HAS_MMC 0
 240 #endif
 241
 242 static inline void da850_evm_setup_nor_nand(void)
 243 {
 244         int ret = 0;
 245
 246         if (ui_card_detected & !HAS_MMC) {
 247                 ret = davinci_cfg_reg_list(da850_evm_nand_pins);
 248                 if (ret)
 249                         pr_warning("da850_evm_init: nand mux setup failed: "
 250                                         "%d\n", ret);
 251
 252                 ret = davinci_cfg_reg_list(da850_evm_nor_pins);
 253                 if (ret)
 254                         pr_warning("da850_evm_init: nor mux setup failed: %d\n",
 255                                 ret);
 256
 257                 da850_evm_init_nor();
 258
 259                 platform_add_devices(da850_evm_devices,
 260                                         ARRAY_SIZE(da850_evm_devices));
 261         }
 262 }
 263
 264 #ifdef CONFIG_DA850_UI_RMII
 265 static inline void da850_evm_setup_emac_rmii(int rmii_sel)
 266 {
 267         struct davinci_soc_info *soc_info = &davinci_soc_info;
 268
 269         soc_info->emac_pdata->rmii_en = 1;
 270         gpio_set_value(rmii_sel, 0);
 271 }
 272 #else
 273 static inline void da850_evm_setup_emac_rmii(int rmii_sel) { }
 274 #endif
 275
 276 static int da850_evm_ui_expander_setup(struct i2c_client *client, unsigned gpio,
 277                                                 unsigned ngpio, void *c)
 278 {
 279         int sel_a, sel_b, sel_c, ret;
 280
 281         sel_a = gpio + 7;
 282         sel_b = gpio + 6;
 283         sel_c = gpio + 5;
 284
 285         ret = gpio_request(sel_a, "sel_a");
 286         if (ret) {
 287                 pr_warning("Cannot open UI expander pin %d\n", sel_a);
 288                 goto exp_setup_sela_fail;
 289         }
 290
 291         ret = gpio_request(sel_b, "sel_b");
 292         if (ret) {
 293                 pr_warning("Cannot open UI expander pin %d\n", sel_b);
 294                 goto exp_setup_selb_fail;
 295         }
 296
 297         ret = gpio_request(sel_c, "sel_c");
 298         if (ret) {
 299                 pr_warning("Cannot open UI expander pin %d\n", sel_c);
 300                 goto exp_setup_selc_fail;
 301         }
 302
 303         /* deselect all functionalities */
 304         gpio_direction_output(sel_a, 1);
 305         gpio_direction_output(sel_b, 1);
 306         gpio_direction_output(sel_c, 1);
 307
 308         ui_card_detected = 1;
 309         pr_info("DA850/OMAP-L138 EVM UI card detected\n");
 310
 311         da850_evm_setup_nor_nand();
 312
 313         da850_evm_setup_emac_rmii(sel_a);
 314
 315         return 0;
 316
 317 exp_setup_selc_fail:
 318         gpio_free(sel_b);
 319 exp_setup_selb_fail:
 320         gpio_free(sel_a);
 321 exp_setup_sela_fail:
 322         return ret;
 323 }
 324
 325 static int da850_evm_ui_expander_teardown(struct i2c_client *client,
 326                                         unsigned gpio, unsigned ngpio, void *c)
 327 {
 328         /* deselect all functionalities */
 329         gpio_set_value(gpio + 5, 1);
 330         gpio_set_value(gpio + 6, 1);
 331         gpio_set_value(gpio + 7, 1);
 332
 333         gpio_free(gpio + 5);
 334         gpio_free(gpio + 6);
 335         gpio_free(gpio + 7);
 336
 337         return 0;
 338 }
 339
 340 static struct pca953x_platform_data da850_evm_ui_expander_info = {
 341         .gpio_base      = DAVINCI_N_GPIO,
 342         .setup          = da850_evm_ui_expander_setup,
 343         .teardown       = da850_evm_ui_expander_teardown,
 344 };
 345
 346 static struct i2c_board_info __initdata da850_evm_i2c_devices[] = {
 347         {
 348                 I2C_BOARD_INFO("tlv320aic3x", 0x18),
 349         },
 350         {
 351                 I2C_BOARD_INFO("tca6416", 0x20),
 352                 .platform_data = &da850_evm_ui_expander_info,
 353         },
 354 };
 355
 356 static struct davinci_i2c_platform_data da850_evm_i2c_0_pdata = {
 357         .bus_freq       = 100,  /* kHz */
 358         .bus_delay      = 0,    /* usec */
 359 };
 360
 361 static struct davinci_uart_config da850_evm_uart_config __initdata = {
 362         .enabled_uarts = 0x7,
 363 };
 364
 365 /* davinci da850 evm audio machine driver */
 366 static u8 da850_iis_serializer_direction[] = {
 367         INACTIVE_MODE,  INACTIVE_MODE,  INACTIVE_MODE,  INACTIVE_MODE,
 368         INACTIVE_MODE,  INACTIVE_MODE,  INACTIVE_MODE,  INACTIVE_MODE,
 369         INACTIVE_MODE,  INACTIVE_MODE,  INACTIVE_MODE,  TX_MODE,
 370         RX_MODE,        INACTIVE_MODE,  INACTIVE_MODE,  INACTIVE_MODE,
 371 };
 372
 373 static struct snd_platform_data da850_evm_snd_data = {
 374         .tx_dma_offset  = 0x2000,
 375         .rx_dma_offset  = 0x2000,
 376         .op_mode        = DAVINCI_MCASP_IIS_MODE,
 377         .num_serializer = ARRAY_SIZE(da850_iis_serializer_direction),
 378         .tdm_slots      = 2,
 379         .serial_dir     = da850_iis_serializer_direction,
 380         .asp_chan_q     = EVENTQ_1,
 381         .version        = MCASP_VERSION_2,
 382         .txnumevt       = 1,
 383         .rxnumevt       = 1,
 384 };
 385
 386 static int da850_evm_mmc_get_ro(int index)
 387 {
 388         return gpio_get_value(DA850_MMCSD_WP_PIN);
 389 }
 390
 391 static int da850_evm_mmc_get_cd(int index)
 392 {
 393         return !gpio_get_value(DA850_MMCSD_CD_PIN);
 394 }
 395
 396 static struct davinci_mmc_config da850_mmc_config = {
 397         .get_ro         = da850_evm_mmc_get_ro,
 398         .get_cd         = da850_evm_mmc_get_cd,
 399         .wires          = 4,
 400         .max_freq       = 50000000,
 401         .caps           = MMC_CAP_MMC_HIGHSPEED | MMC_CAP_SD_HIGHSPEED,
 402         .version        = MMC_CTLR_VERSION_2,
 403 };
 404
 405 static void da850_panel_power_ctrl(int val)
 406 {
 407         /* lcd backlight */
 408         gpio_set_value(DA850_LCD_BL_PIN, val);
 409
 410         /* lcd power */
 411         gpio_set_value(DA850_LCD_PWR_PIN, val);
 412 }
 413
 414 static int da850_lcd_hw_init(void)
 415 {
 416         int status;
 417
 418         status = gpio_request(DA850_LCD_BL_PIN, "lcd bl\n");
 419         if (status < 0)
 420                 return status;
 421
 422         status = gpio_request(DA850_LCD_PWR_PIN, "lcd pwr\n");
 423         if (status < 0) {
 424                 gpio_free(DA850_LCD_BL_PIN);
 425                 return status;
 426         }
 427
 428         gpio_direction_output(DA850_LCD_BL_PIN, 0);
 429         gpio_direction_output(DA850_LCD_PWR_PIN, 0);
 430
 431         /* Switch off panel power and backlight */
 432         da850_panel_power_ctrl(0);
 433
 434         /* Switch on panel power and backlight */
 435         da850_panel_power_ctrl(1);
 436
 437         return 0;
 438 }
 439
 440 /* TPS65070 voltage regulator support */
 441
 442 /* 3.3V */
 443 static struct regulator_consumer_supply tps65070_dcdc1_consumers[] = {
 444         {
 445                 .supply = "usb0_vdda33",
 446         },
 447         {
 448                 .supply = "usb1_vdda33",
 449         },
 450 };
 451
 452 /* 3.3V or 1.8V */
 453 static struct regulator_consumer_supply tps65070_dcdc2_consumers[] = {
 454         {
 455                 .supply = "dvdd3318_a",
 456         },
 457         {
 458                 .supply = "dvdd3318_b",
 459         },
 460         {
 461                 .supply = "dvdd3318_c",
 462         },
 463 };
 464
 465 /* 1.2V */
 466 static struct regulator_consumer_supply tps65070_dcdc3_consumers[] = {
 467         {
 468                 .supply = "cvdd",
 469         },
 470 };
 471
 472 /* 1.8V LDO */
 473 static struct regulator_consumer_supply tps65070_ldo1_consumers[] = {
 474         {
 475                 .supply = "sata_vddr",
 476         },
 477         {
 478                 .supply = "usb0_vdda18",
 479         },
 480         {
 481                 .supply = "usb1_vdda18",
 482         },
 483         {
 484                 .supply = "ddr_dvdd18",
 485         },
 486 };
 487
 488 /* 1.2V LDO */
 489 static struct regulator_consumer_supply tps65070_ldo2_consumers[] = {
 490         {
 491                 .supply = "sata_vdd",
 492         },
 493         {
 494                 .supply = "pll0_vdda",
 495         },
 496         {
 497                 .supply = "pll1_vdda",
 498         },
 499         {
 500                 .supply = "usbs_cvdd",
 501         },
 502         {
 503                 .supply = "vddarnwa1",
 504         },
 505 };
 506
 507 /* We take advantage of the fact that both defdcdc{2,3} are tied high */
 508 static struct tps6507x_reg_platform_data tps6507x_platform_data = {
 509         .defdcdc_default = true,
 510 };
 511
 512 static struct regulator_init_data tps65070_regulator_data[] = {
 513         /* dcdc1 */
 514         {
 515                 .constraints = {
 516                         .min_uV = 3150000,
 517                         .max_uV = 3450000,
 518                         .valid_ops_mask = (REGULATOR_CHANGE_VOLTAGE |
 519                                 REGULATOR_CHANGE_STATUS),
 520                         .boot_on = 1,
 521                 },
 522                 .num_consumer_supplies = ARRAY_SIZE(tps65070_dcdc1_consumers),
 523                 .consumer_supplies = tps65070_dcdc1_consumers,
 524         },
 525
 526         /* dcdc2 */
 527         {
 528                 .constraints = {
 529                         .min_uV = 1710000,
 530                         .max_uV = 3450000,
 531                         .valid_ops_mask = (REGULATOR_CHANGE_VOLTAGE |
 532                                 REGULATOR_CHANGE_STATUS),
 533                         .boot_on = 1,
 534                 },
 535                 .num_consumer_supplies = ARRAY_SIZE(tps65070_dcdc2_consumers),
 536                 .consumer_supplies = tps65070_dcdc2_consumers,
 537                 .driver_data = &tps6507x_platform_data,
 538         },
 539
 540         /* dcdc3 */
 541         {
 542                 .constraints = {
 543                         .min_uV = 950000,
 544                         .max_uV = 1320000,
 545                         .valid_ops_mask = (REGULATOR_CHANGE_VOLTAGE |
 546                                 REGULATOR_CHANGE_STATUS),
 547                         .boot_on = 1,
 548                 },
 549                 .num_consumer_supplies = ARRAY_SIZE(tps65070_dcdc3_consumers),
 550                 .consumer_supplies = tps65070_dcdc3_consumers,
 551                 .driver_data = &tps6507x_platform_data,
 552         },
 553
 554         /* ldo1 */
 555         {
 556                 .constraints = {
 557                         .min_uV = 1710000,
 558                         .max_uV = 1890000,
 559                         .valid_ops_mask = (REGULATOR_CHANGE_VOLTAGE |
 560                                 REGULATOR_CHANGE_STATUS),
 561                         .boot_on = 1,
 562                 },
 563                 .num_consumer_supplies = ARRAY_SIZE(tps65070_ldo1_consumers),
 564                 .consumer_supplies = tps65070_ldo1_consumers,
 565         },
 566
 567         /* ldo2 */
 568         {
 569                 .constraints = {
 570                         .min_uV = 1140000,
 571                         .max_uV = 1320000,
 572                         .valid_ops_mask = (REGULATOR_CHANGE_VOLTAGE |
 573                                 REGULATOR_CHANGE_STATUS),
 574                         .boot_on = 1,
 575                 },
 576                 .num_consumer_supplies = ARRAY_SIZE(tps65070_ldo2_consumers),
 577                 .consumer_supplies = tps65070_ldo2_consumers,
 578         },
 579 };
 580
 581 static struct touchscreen_init_data tps6507x_touchscreen_data = {
 582         .poll_period =  30,     /* ms between touch samples */
 583         .min_pressure = 0x30,   /* minimum pressure to trigger touch */
 584         .vref = 0,              /* turn off vref when not using A/D */
 585         .vendor = 0,            /* /sys/class/input/input?/id/vendor */
 586         .product = 65070,       /* /sys/class/input/input?/id/product */
 587         .version = 0x100,       /* /sys/class/input/input?/id/version */
 588 };
 589
 590 static struct tps6507x_board tps_board = {
 591         .tps6507x_pmic_init_data = &tps65070_regulator_data[0],
 592         .tps6507x_ts_init_data = &tps6507x_touchscreen_data,
 593 };
 594
 595 static struct i2c_board_info __initdata da850evm_tps65070_info[] = {
 596         {
 597                 I2C_BOARD_INFO("tps6507x", 0x48),
 598                 .platform_data = &tps_board,
 599         },
 600 };
 601
 602 static int __init pmic_tps65070_init(void)
 603 {
 604         return i2c_register_board_info(1, da850evm_tps65070_info,
 605                                         ARRAY_SIZE(da850evm_tps65070_info));
 606 }
 607
 608 static const short da850_evm_lcdc_pins[] = {
 609         DA850_GPIO2_8, DA850_GPIO2_15,
 610         -1
 611 };
 612
 613 static const short da850_evm_mii_pins[] = {
 614         DA850_MII_TXEN, DA850_MII_TXCLK, DA850_MII_COL, DA850_MII_TXD_3,
 615         DA850_MII_TXD_2, DA850_MII_TXD_1, DA850_MII_TXD_0, DA850_MII_RXER,
 616         DA850_MII_CRS, DA850_MII_RXCLK, DA850_MII_RXDV, DA850_MII_RXD_3,
 617         DA850_MII_RXD_2, DA850_MII_RXD_1, DA850_MII_RXD_0, DA850_MDIO_CLK,
 618         DA850_MDIO_D,
 619         -1
 620 };
 621
 622 static const short da850_evm_rmii_pins[] = {
 623         DA850_RMII_TXD_0, DA850_RMII_TXD_1, DA850_RMII_TXEN,
 624         DA850_RMII_CRS_DV, DA850_RMII_RXD_0, DA850_RMII_RXD_1,
 625         DA850_RMII_RXER, DA850_RMII_MHZ_50_CLK, DA850_MDIO_CLK,
 626         DA850_MDIO_D,
 627         -1
 628 };
 629
 630 static int __init da850_evm_config_emac(void)
 631 {
 632         void __iomem *cfg_chip3_base;
 633         int ret;
 634         u32 val;
 635         struct davinci_soc_info *soc_info = &davinci_soc_info;
 636         u8 rmii_en = soc_info->emac_pdata->rmii_en;
 637
 638         if (!machine_is_davinci_da850_evm())
 639                 return 0;
 640
 641         cfg_chip3_base = DA8XX_SYSCFG0_VIRT(DA8XX_CFGCHIP3_REG);
 642
 643         val = __raw_readl(cfg_chip3_base);
 644
 645         if (rmii_en) {
 646                 val |= BIT(8);
 647                 ret = davinci_cfg_reg_list(da850_evm_rmii_pins);
 648                 pr_info("EMAC: RMII PHY configured, MII PHY will not be"
 649                                                         " functional\n");
 650         } else {
 651                 val &= ~BIT(8);
 652                 ret = davinci_cfg_reg_list(da850_evm_mii_pins);
 653                 pr_info("EMAC: MII PHY configured, RMII PHY will not be"
 654                                                         " functional\n");
 655         }
 656
 657         if (ret)
 658                 pr_warning("da850_evm_init: cpgmac/rmii mux setup failed: %d\n",
 659                                 ret);
 660
 661         /* configure the CFGCHIP3 register for RMII or MII */
 662         __raw_writel(val, cfg_chip3_base);
 663
 664         ret = davinci_cfg_reg(DA850_GPIO2_6);
 665         if (ret)
 666                 pr_warning("da850_evm_init:GPIO(2,6) mux setup "
 667                                                         "failed\n");
 668
 669         ret = gpio_request(DA850_MII_MDIO_CLKEN_PIN, "mdio_clk_en");
 670         if (ret) {
 671                 pr_warning("Cannot open GPIO %d\n",
 672                                         DA850_MII_MDIO_CLKEN_PIN);
 673                 return ret;
 674         }
 675
 676         /* Enable/Disable MII MDIO clock */
 677         gpio_direction_output(DA850_MII_MDIO_CLKEN_PIN, rmii_en);
 678
 679         soc_info->emac_pdata->phy_id = DA850_EVM_PHY_ID;
 680
 681         ret = da8xx_register_emac();
 682         if (ret)
 683                 pr_warning("da850_evm_init: emac registration failed: %d\n",
 684                                 ret);
 685
 686         return 0;
 687 }
 688 device_initcall(da850_evm_config_emac);
 689
 690 /*
 691  * The following EDMA channels/slots are not being used by drivers (for
 692  * example: Timer, GPIO, UART events etc) on da850/omap-l138 EVM, hence
 693  * they are being reserved for codecs on the DSP side.
 694  */
 695 static const s16 da850_dma0_rsv_chans[][2] = {
 696         /* (offset, number) */
 697         { 8,  6},
 698         {24,  4},
 699         {30,  2},
 700         {-1, -1}
 701 };
 702
 703 static const s16 da850_dma0_rsv_slots[][2] = {
 704         /* (offset, number) */
 705         { 8,  6},
 706         {24,  4},
 707         {30, 50},
 708         {-1, -1}
 709 };
 710
 711 static const s16 da850_dma1_rsv_chans[][2] = {
 712         /* (offset, number) */
 713         { 0, 28},
 714         {30,  2},
 715         {-1, -1}
 716 };
 717
 718 static const s16 da850_dma1_rsv_slots[][2] = {
 719         /* (offset, number) */
 720         { 0, 28},
 721         {30, 90},
 722         {-1, -1}
 723 };
 724
 725 static struct edma_rsv_info da850_edma_cc0_rsv = {
 726         .rsv_chans      = da850_dma0_rsv_chans,
 727         .rsv_slots      = da850_dma0_rsv_slots,
 728 };
 729
 730 static struct edma_rsv_info da850_edma_cc1_rsv = {
 731         .rsv_chans      = da850_dma1_rsv_chans,
 732         .rsv_slots      = da850_dma1_rsv_slots,
 733 };
 734
 735 static struct edma_rsv_info *da850_edma_rsv[2] = {
 736         &da850_edma_cc0_rsv,
 737         &da850_edma_cc1_rsv,
 738 };
 739
 740 static __init void da850_evm_init(void)
 741 {
 742         int ret;
 743
 744         ret = pmic_tps65070_init();
 745         if (ret)
 746                 pr_warning("da850_evm_init: TPS65070 PMIC init failed: %d\n",
 747                                 ret);
 748
 749         ret = da850_register_edma(da850_edma_rsv);
 750         if (ret)
 751                 pr_warning("da850_evm_init: edma registration failed: %d\n",
 752                                 ret);
 753
 754         ret = davinci_cfg_reg_list(da850_i2c0_pins);
 755         if (ret)
 756                 pr_warning("da850_evm_init: i2c0 mux setup failed: %d\n",
 757                                 ret);
 758
 759         ret = da8xx_register_i2c(0, &da850_evm_i2c_0_pdata);
 760         if (ret)
 761                 pr_warning("da850_evm_init: i2c0 registration failed: %d\n",
 762                                 ret);
 763
 764
 765         ret = da8xx_register_watchdog();
 766         if (ret)
 767                 pr_warning("da830_evm_init: watchdog registration failed: %d\n",
 768                                 ret);
 769
 770         if (HAS_MMC) {
 771                 ret = davinci_cfg_reg_list(da850_mmcsd0_pins);
 772                 if (ret)
 773                         pr_warning("da850_evm_init: mmcsd0 mux setup failed:"
 774                                         " %d\n", ret);
 775
 776                 ret = gpio_request(DA850_MMCSD_CD_PIN, "MMC CD\n");
 777                 if (ret)
 778                         pr_warning("da850_evm_init: can not open GPIO %d\n",
 779                                         DA850_MMCSD_CD_PIN);
 780                 gpio_direction_input(DA850_MMCSD_CD_PIN);
 781
 782                 ret = gpio_request(DA850_MMCSD_WP_PIN, "MMC WP\n");
 783                 if (ret)
 784                         pr_warning("da850_evm_init: can not open GPIO %d\n",
 785                                         DA850_MMCSD_WP_PIN);
 786                 gpio_direction_input(DA850_MMCSD_WP_PIN);
 787
 788                 ret = da8xx_register_mmcsd0(&da850_mmc_config);
 789                 if (ret)
 790                         pr_warning("da850_evm_init: mmcsd0 registration failed:"
 791                                         " %d\n", ret);
 792         }
 793
 794         davinci_serial_init(&da850_evm_uart_config);
 795
 796         i2c_register_board_info(1, da850_evm_i2c_devices,
 797                         ARRAY_SIZE(da850_evm_i2c_devices));
 798
 799         /*
 800          * shut down uart 0 and 1; they are not used on the board and
 801          * accessing them causes endless "too much work in irq53" messages
 802          * with arago fs
 803          */
 804         __raw_writel(0, IO_ADDRESS(DA8XX_UART1_BASE) + 0x30);
 805         __raw_writel(0, IO_ADDRESS(DA8XX_UART0_BASE) + 0x30);
 806
 807         ret = davinci_cfg_reg_list(da850_mcasp_pins);
 808         if (ret)
 809                 pr_warning("da850_evm_init: mcasp mux setup failed: %d\n",
 810                                 ret);
 811
 812         da8xx_register_mcasp(0, &da850_evm_snd_data);
 813
 814         ret = davinci_cfg_reg_list(da850_lcdcntl_pins);
 815         if (ret)
 816                 pr_warning("da850_evm_init: lcdcntl mux setup failed: %d\n",
 817                                 ret);
 818
 819         /* Handle board specific muxing for LCD here */
 820         ret = davinci_cfg_reg_list(da850_evm_lcdc_pins);
 821         if (ret)
 822                 pr_warning("da850_evm_init: evm specific lcd mux setup "
 823                                 "failed: %d\n", ret);
 824
 825         ret = da850_lcd_hw_init();
 826         if (ret)
 827                 pr_warning("da850_evm_init: lcd initialization failed: %d\n",
 828                                 ret);
 829
 830         sharp_lk043t1dg01_pdata.panel_power_ctrl = da850_panel_power_ctrl,
 831         ret = da8xx_register_lcdc(&sharp_lk043t1dg01_pdata);
 832         if (ret)
 833                 pr_warning("da850_evm_init: lcdc registration failed: %d\n",
 834                                 ret);
 835
 836         ret = da8xx_register_rtc();
 837         if (ret)
 838                 pr_warning("da850_evm_init: rtc setup failed: %d\n", ret);
 839
 840         ret = da850_register_cpufreq("pll0_sysclk3");
 841         if (ret)
 842                 pr_warning("da850_evm_init: cpufreq registration failed: %d\n",
 843                                 ret);
 844
 845         ret = da8xx_register_cpuidle();
 846         if (ret)
 847                 pr_warning("da850_evm_init: cpuidle registration failed: %d\n",
 848                                 ret);
 849
 850         ret = da850_register_pm(&da850_pm_device);
 851         if (ret)
 852                 pr_warning("da850_evm_init: suspend registration failed: %d\n",
 853                                 ret);
 854 }
 855
 856 #ifdef CONFIG_SERIAL_8250_CONSOLE
 857 static int __init da850_evm_console_init(void)
 858 {
 859         if (!machine_is_davinci_da850_evm())
 860                 return 0;
 861
 862         return add_preferred_console("ttyS", 2, "115200");
 863 }
 864 console_initcall(da850_evm_console_init);
 865 #endif
 866
 867 static void __init da850_evm_map_io(void)
 868 {
 869         da850_init();
 870 }
 871
 872 MACHINE_START(DAVINCI_DA850_EVM, "DaVinci DA850/OMAP-L138/AM18x EVM")
 873         .phys_io        = IO_PHYS,
 874         .io_pg_offst    = (__IO_ADDRESS(IO_PHYS) >> 18) & 0xfffc,
 875         .boot_params    = (DA8XX_DDR_BASE + 0x100),
 876         .map_io         = da850_evm_map_io,
 877         .init_irq       = cp_intc_init,
 878         .timer          = &davinci_timer,
 879         .init_machine   = da850_evm_init,
 880 MACHINE_END