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