arch/arm/mach-davinci/board-da830-evm.c

   1 /*
   2  * TI DA830/OMAP L137 EVM board
   3  *
   4  * Author: Mark A. Greer <mgreer@mvista.com>
   5  * Derived from: arch/arm/mach-davinci/board-dm644x-evm.c
   6  *
   7  * 2007, 2009 (c) MontaVista Software, Inc. This file is licensed under
   8  * the terms of the GNU General Public License version 2. This program
   9  * is licensed "as is" without any warranty of any kind, whether express
  10  * or implied.
  11  */
  12 #include <linux/kernel.h>
  13 #include <linux/init.h>
  14 #include <linux/console.h>
  15 #include <linux/interrupt.h>
  16 #include <linux/gpio.h>
  17 #include <linux/gpio/machine.h>
  18 #include <linux/platform_device.h>
  19 #include <linux/i2c.h>
  20 #include <linux/platform_data/pcf857x.h>
  21 #include <linux/platform_data/at24.h>
  22 #include <linux/mtd/mtd.h>
  23 #include <linux/mtd/partitions.h>
  24 #include <linux/spi/spi.h>
  25 #include <linux/spi/flash.h>
  26 #include <linux/platform_data/gpio-davinci.h>
  27 #include <linux/platform_data/mtd-davinci.h>
  28 #include <linux/platform_data/mtd-davinci-aemif.h>
  29 #include <linux/platform_data/spi-davinci.h>
  30 #include <linux/platform_data/usb-davinci.h>
  31 #include <linux/regulator/machine.h>
  32
  33 #include <asm/mach-types.h>
  34 #include <asm/mach/arch.h>
  35
  36 #include <mach/common.h>
  37 #include "cp_intc.h"
  38 #include <mach/mux.h>
  39 #include <mach/da8xx.h>
  40
  41 #define DA830_EVM_PHY_ID                ""
  42 /*
  43  * USB1 VBUS is controlled by GPIO1[15], over-current is reported on GPIO2[4].
  44  */
  45 #define ON_BD_USB_DRV   GPIO_TO_PIN(1, 15)
  46 #define ON_BD_USB_OVC   GPIO_TO_PIN(2, 4)
  47
  48 static const short da830_evm_usb11_pins[] = {
  49         DA830_GPIO1_15, DA830_GPIO2_4,
  50         -1
  51 };
  52
  53 static da8xx_ocic_handler_t da830_evm_usb_ocic_handler;
  54
  55 static int da830_evm_usb_set_power(unsigned port, int on)
  56 {
  57         gpio_set_value(ON_BD_USB_DRV, on);
  58         return 0;
  59 }
  60
  61 static int da830_evm_usb_get_power(unsigned port)
  62 {
  63         return gpio_get_value(ON_BD_USB_DRV);
  64 }
  65
  66 static int da830_evm_usb_get_oci(unsigned port)
  67 {
  68         return !gpio_get_value(ON_BD_USB_OVC);
  69 }
  70
  71 static irqreturn_t da830_evm_usb_ocic_irq(int, void *);
  72
  73 static int da830_evm_usb_ocic_notify(da8xx_ocic_handler_t handler)
  74 {
  75         int irq         = gpio_to_irq(ON_BD_USB_OVC);
  76         int error       = 0;
  77
  78         if (handler != NULL) {
  79                 da830_evm_usb_ocic_handler = handler;
  80
  81                 error = request_irq(irq, da830_evm_usb_ocic_irq,
  82                                     IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING,
  83                                     "OHCI over-current indicator", NULL);
  84                 if (error)
  85                         pr_err("%s: could not request IRQ to watch over-current indicator changes\n",
  86                                __func__);
  87         } else
  88                 free_irq(irq, NULL);
  89
  90         return error;
  91 }
  92
  93 static struct da8xx_ohci_root_hub da830_evm_usb11_pdata = {
  94         .set_power      = da830_evm_usb_set_power,
  95         .get_power      = da830_evm_usb_get_power,
  96         .get_oci        = da830_evm_usb_get_oci,
  97         .ocic_notify    = da830_evm_usb_ocic_notify,
  98
  99         /* TPS2065 switch @ 5V */
 100         .potpgt         = (3 + 1) / 2,  /* 3 ms max */
 101 };
 102
 103 static irqreturn_t da830_evm_usb_ocic_irq(int irq, void *dev_id)
 104 {
 105         da830_evm_usb_ocic_handler(&da830_evm_usb11_pdata, 1);
 106         return IRQ_HANDLED;
 107 }
 108
 109 static __init void da830_evm_usb_init(void)
 110 {
 111         int ret;
 112
 113         /* USB_REFCLKIN is not used. */
 114         ret = da8xx_register_usb20_phy_clk(false);
 115         if (ret)
 116                 pr_warn("%s: USB 2.0 PHY CLK registration failed: %d\n",
 117                         __func__, ret);
 118
 119         ret = da8xx_register_usb11_phy_clk(false);
 120         if (ret)
 121                 pr_warn("%s: USB 1.1 PHY CLK registration failed: %d\n",
 122                         __func__, ret);
 123
 124         ret = da8xx_register_usb_phy();
 125         if (ret)
 126                 pr_warn("%s: USB PHY registration failed: %d\n",
 127                         __func__, ret);
 128
 129         ret = davinci_cfg_reg(DA830_USB0_DRVVBUS);
 130         if (ret)
 131                 pr_warn("%s: USB 2.0 PinMux setup failed: %d\n", __func__, ret);
 132         else {
 133                 /*
 134                  * TPS2065 switch @ 5V supplies 1 A (sustains 1.5 A),
 135                  * with the power on to power good time of 3 ms.
 136                  */
 137                 ret = da8xx_register_usb20(1000, 3);
 138                 if (ret)
 139                         pr_warn("%s: USB 2.0 registration failed: %d\n",
 140                                 __func__, ret);
 141         }
 142
 143         ret = davinci_cfg_reg_list(da830_evm_usb11_pins);
 144         if (ret) {
 145                 pr_warn("%s: USB 1.1 PinMux setup failed: %d\n", __func__, ret);
 146                 return;
 147         }
 148
 149         ret = gpio_request(ON_BD_USB_DRV, "ON_BD_USB_DRV");
 150         if (ret) {
 151                 pr_err("%s: failed to request GPIO for USB 1.1 port power control: %d\n",
 152                        __func__, ret);
 153                 return;
 154         }
 155         gpio_direction_output(ON_BD_USB_DRV, 0);
 156
 157         ret = gpio_request(ON_BD_USB_OVC, "ON_BD_USB_OVC");
 158         if (ret) {
 159                 pr_err("%s: failed to request GPIO for USB 1.1 port over-current indicator: %d\n",
 160                        __func__, ret);
 161                 return;
 162         }
 163         gpio_direction_input(ON_BD_USB_OVC);
 164
 165         ret = da8xx_register_usb11(&da830_evm_usb11_pdata);
 166         if (ret)
 167                 pr_warn("%s: USB 1.1 registration failed: %d\n", __func__, ret);
 168 }
 169
 170 static const short da830_evm_mcasp1_pins[] = {
 171         DA830_AHCLKX1, DA830_ACLKX1, DA830_AFSX1, DA830_AHCLKR1, DA830_AFSR1,
 172         DA830_AMUTE1, DA830_AXR1_0, DA830_AXR1_1, DA830_AXR1_2, DA830_AXR1_5,
 173         DA830_ACLKR1, DA830_AXR1_6, DA830_AXR1_7, DA830_AXR1_8, DA830_AXR1_10,
 174         DA830_AXR1_11,
 175         -1
 176 };
 177
 178 static u8 da830_iis_serializer_direction[] = {
 179         RX_MODE,        INACTIVE_MODE,  INACTIVE_MODE,  INACTIVE_MODE,
 180         INACTIVE_MODE,  TX_MODE,        INACTIVE_MODE,  INACTIVE_MODE,
 181         INACTIVE_MODE,  INACTIVE_MODE,  INACTIVE_MODE,  INACTIVE_MODE,
 182 };
 183
 184 static struct snd_platform_data da830_evm_snd_data = {
 185         .tx_dma_offset  = 0x2000,
 186         .rx_dma_offset  = 0x2000,
 187         .op_mode        = DAVINCI_MCASP_IIS_MODE,
 188         .num_serializer = ARRAY_SIZE(da830_iis_serializer_direction),
 189         .tdm_slots      = 2,
 190         .serial_dir     = da830_iis_serializer_direction,
 191         .asp_chan_q     = EVENTQ_0,
 192         .version        = MCASP_VERSION_2,
 193         .txnumevt       = 1,
 194         .rxnumevt       = 1,
 195 };
 196
 197 /*
 198  * GPIO2[1] is used as MMC_SD_WP and GPIO2[2] as MMC_SD_INS.
 199  */
 200 static const short da830_evm_mmc_sd_pins[] = {
 201         DA830_MMCSD_DAT_0, DA830_MMCSD_DAT_1, DA830_MMCSD_DAT_2,
 202         DA830_MMCSD_DAT_3, DA830_MMCSD_DAT_4, DA830_MMCSD_DAT_5,
 203         DA830_MMCSD_DAT_6, DA830_MMCSD_DAT_7, DA830_MMCSD_CLK,
 204         DA830_MMCSD_CMD,   DA830_GPIO2_1,     DA830_GPIO2_2,
 205         -1
 206 };
 207
 208 #define DA830_MMCSD_WP_PIN              GPIO_TO_PIN(2, 1)
 209 #define DA830_MMCSD_CD_PIN              GPIO_TO_PIN(2, 2)
 210
 211 static struct gpiod_lookup_table mmc_gpios_table = {
 212         .dev_id = "da830-mmc.0",
 213         .table = {
 214                 /* gpio chip 1 contains gpio range 32-63 */
 215                 GPIO_LOOKUP("davinci_gpio.0", DA830_MMCSD_CD_PIN, "cd",
 216                             GPIO_ACTIVE_LOW),
 217                 GPIO_LOOKUP("davinci_gpio.0", DA830_MMCSD_WP_PIN, "wp",
 218                             GPIO_ACTIVE_LOW),
 219         },
 220 };
 221
 222 static struct davinci_mmc_config da830_evm_mmc_config = {
 223         .wires                  = 8,
 224         .max_freq               = 50000000,
 225         .caps                   = MMC_CAP_MMC_HIGHSPEED | MMC_CAP_SD_HIGHSPEED,
 226 };
 227
 228 static inline void da830_evm_init_mmc(void)
 229 {
 230         int ret;
 231
 232         ret = davinci_cfg_reg_list(da830_evm_mmc_sd_pins);
 233         if (ret) {
 234                 pr_warn("%s: mmc/sd mux setup failed: %d\n", __func__, ret);
 235                 return;
 236         }
 237
 238         gpiod_add_lookup_table(&mmc_gpios_table);
 239
 240         ret = da8xx_register_mmcsd0(&da830_evm_mmc_config);
 241         if (ret) {
 242                 pr_warn("%s: mmc/sd registration failed: %d\n", __func__, ret);
 243                 gpiod_remove_lookup_table(&mmc_gpios_table);
 244         }
 245 }
 246
 247 /*
 248  * UI board NAND/NOR flashes only use 8-bit data bus.
 249  */
 250 static const short da830_evm_emif25_pins[] = {
 251         DA830_EMA_D_0, DA830_EMA_D_1, DA830_EMA_D_2, DA830_EMA_D_3,
 252         DA830_EMA_D_4, DA830_EMA_D_5, DA830_EMA_D_6, DA830_EMA_D_7,
 253         DA830_EMA_A_0, DA830_EMA_A_1, DA830_EMA_A_2, DA830_EMA_A_3,
 254         DA830_EMA_A_4, DA830_EMA_A_5, DA830_EMA_A_6, DA830_EMA_A_7,
 255         DA830_EMA_A_8, DA830_EMA_A_9, DA830_EMA_A_10, DA830_EMA_A_11,
 256         DA830_EMA_A_12, DA830_EMA_BA_0, DA830_EMA_BA_1, DA830_NEMA_WE,
 257         DA830_NEMA_CS_2, DA830_NEMA_CS_3, DA830_NEMA_OE, DA830_EMA_WAIT_0,
 258         -1
 259 };
 260
 261 #define HAS_MMC         IS_ENABLED(CONFIG_MMC_DAVINCI)
 262
 263 #ifdef CONFIG_DA830_UI_NAND
 264 static struct mtd_partition da830_evm_nand_partitions[] = {
 265         /* bootloader (U-Boot, etc) in first sector */
 266         [0] = {
 267                 .name           = "bootloader",
 268                 .offset         = 0,
 269                 .size           = SZ_128K,
 270                 .mask_flags     = MTD_WRITEABLE,        /* force read-only */
 271         },
 272         /* bootloader params in the next sector */
 273         [1] = {
 274                 .name           = "params",
 275                 .offset         = MTDPART_OFS_APPEND,
 276                 .size           = SZ_128K,
 277                 .mask_flags     = MTD_WRITEABLE,        /* force read-only */
 278         },
 279         /* kernel */
 280         [2] = {
 281                 .name           = "kernel",
 282                 .offset         = MTDPART_OFS_APPEND,
 283                 .size           = SZ_2M,
 284                 .mask_flags     = 0,
 285         },
 286         /* file system */
 287         [3] = {
 288                 .name           = "filesystem",
 289                 .offset         = MTDPART_OFS_APPEND,
 290                 .size           = MTDPART_SIZ_FULL,
 291                 .mask_flags     = 0,
 292         }
 293 };
 294
 295 /* flash bbt decriptors */
 296 static uint8_t da830_evm_nand_bbt_pattern[] = { 'B', 'b', 't', '0' };
 297 static uint8_t da830_evm_nand_mirror_pattern[] = { '1', 't', 'b', 'B' };
 298
 299 static struct nand_bbt_descr da830_evm_nand_bbt_main_descr = {
 300         .options        = NAND_BBT_LASTBLOCK | NAND_BBT_CREATE |
 301                           NAND_BBT_WRITE | NAND_BBT_2BIT |
 302                           NAND_BBT_VERSION | NAND_BBT_PERCHIP,
 303         .offs           = 2,
 304         .len            = 4,
 305         .veroffs        = 16,
 306         .maxblocks      = 4,
 307         .pattern        = da830_evm_nand_bbt_pattern
 308 };
 309
 310 static struct nand_bbt_descr da830_evm_nand_bbt_mirror_descr = {
 311         .options        = NAND_BBT_LASTBLOCK | NAND_BBT_CREATE |
 312                           NAND_BBT_WRITE | NAND_BBT_2BIT |
 313                           NAND_BBT_VERSION | NAND_BBT_PERCHIP,
 314         .offs           = 2,
 315         .len            = 4,
 316         .veroffs        = 16,
 317         .maxblocks      = 4,
 318         .pattern        = da830_evm_nand_mirror_pattern
 319 };
 320
 321 static struct davinci_aemif_timing da830_evm_nandflash_timing = {
 322         .wsetup         = 24,
 323         .wstrobe        = 21,
 324         .whold          = 14,
 325         .rsetup         = 19,
 326         .rstrobe        = 50,
 327         .rhold          = 0,
 328         .ta             = 20,
 329 };
 330
 331 static struct davinci_nand_pdata da830_evm_nand_pdata = {
 332         .parts          = da830_evm_nand_partitions,
 333         .nr_parts       = ARRAY_SIZE(da830_evm_nand_partitions),
 334         .ecc_mode       = NAND_ECC_HW,
 335         .ecc_bits       = 4,
 336         .bbt_options    = NAND_BBT_USE_FLASH,
 337         .bbt_td         = &da830_evm_nand_bbt_main_descr,
 338         .bbt_md         = &da830_evm_nand_bbt_mirror_descr,
 339         .timing         = &da830_evm_nandflash_timing,
 340 };
 341
 342 static struct resource da830_evm_nand_resources[] = {
 343         [0] = {         /* First memory resource is NAND I/O window */
 344                 .start  = DA8XX_AEMIF_CS3_BASE,
 345                 .end    = DA8XX_AEMIF_CS3_BASE + PAGE_SIZE - 1,
 346                 .flags  = IORESOURCE_MEM,
 347         },
 348         [1] = {         /* Second memory resource is AEMIF control registers */
 349                 .start  = DA8XX_AEMIF_CTL_BASE,
 350                 .end    = DA8XX_AEMIF_CTL_BASE + SZ_32K - 1,
 351                 .flags  = IORESOURCE_MEM,
 352         },
 353 };
 354
 355 static struct platform_device da830_evm_nand_device = {
 356         .name           = "davinci_nand",
 357         .id             = 1,
 358         .dev            = {
 359                 .platform_data  = &da830_evm_nand_pdata,
 360         },
 361         .num_resources  = ARRAY_SIZE(da830_evm_nand_resources),
 362         .resource       = da830_evm_nand_resources,
 363 };
 364
 365 static inline void da830_evm_init_nand(int mux_mode)
 366 {
 367         int ret;
 368
 369         if (HAS_MMC) {
 370                 pr_warn("WARNING: both MMC/SD and NAND are enabled, but they share AEMIF pins\n"
 371                         "\tDisable MMC/SD for NAND support\n");
 372                 return;
 373         }
 374
 375         ret = davinci_cfg_reg_list(da830_evm_emif25_pins);
 376         if (ret)
 377                 pr_warn("%s: emif25 mux setup failed: %d\n", __func__, ret);
 378
 379         ret = platform_device_register(&da830_evm_nand_device);
 380         if (ret)
 381                 pr_warn("%s: NAND device not registered\n", __func__);
 382
 383         if (davinci_aemif_setup(&da830_evm_nand_device))
 384                 pr_warn("%s: Cannot configure AEMIF\n", __func__);
 385
 386         gpio_direction_output(mux_mode, 1);
 387 }
 388 #else
 389 static inline void da830_evm_init_nand(int mux_mode) { }
 390 #endif
 391
 392 #ifdef CONFIG_DA830_UI_LCD
 393 static inline void da830_evm_init_lcdc(int mux_mode)
 394 {
 395         int ret;
 396
 397         ret = davinci_cfg_reg_list(da830_lcdcntl_pins);
 398         if (ret)
 399                 pr_warn("%s: lcdcntl mux setup failed: %d\n", __func__, ret);
 400
 401         ret = da8xx_register_lcdc(&sharp_lcd035q3dg01_pdata);
 402         if (ret)
 403                 pr_warn("%s: lcd setup failed: %d\n", __func__, ret);
 404
 405         gpio_direction_output(mux_mode, 0);
 406 }
 407 #else
 408 static inline void da830_evm_init_lcdc(int mux_mode) { }
 409 #endif
 410
 411 static struct at24_platform_data da830_evm_i2c_eeprom_info = {
 412         .byte_len       = SZ_256K / 8,
 413         .page_size      = 64,
 414         .flags          = AT24_FLAG_ADDR16,
 415         .setup          = davinci_get_mac_addr,
 416         .context        = (void *)0x7f00,
 417 };
 418
 419 static int __init da830_evm_ui_expander_setup(struct i2c_client *client,
 420                 int gpio, unsigned ngpio, void *context)
 421 {
 422         gpio_request(gpio + 6, "UI MUX_MODE");
 423
 424         /* Drive mux mode low to match the default without UI card */
 425         gpio_direction_output(gpio + 6, 0);
 426
 427         da830_evm_init_lcdc(gpio + 6);
 428
 429         da830_evm_init_nand(gpio + 6);
 430
 431         return 0;
 432 }
 433
 434 static int da830_evm_ui_expander_teardown(struct i2c_client *client, int gpio,
 435                 unsigned ngpio, void *context)
 436 {
 437         gpio_free(gpio + 6);
 438         return 0;
 439 }
 440
 441 static struct pcf857x_platform_data __initdata da830_evm_ui_expander_info = {
 442         .gpio_base      = DAVINCI_N_GPIO,
 443         .setup          = da830_evm_ui_expander_setup,
 444         .teardown       = da830_evm_ui_expander_teardown,
 445 };
 446
 447 static struct i2c_board_info __initdata da830_evm_i2c_devices[] = {
 448         {
 449                 I2C_BOARD_INFO("24c256", 0x50),
 450                 .platform_data  = &da830_evm_i2c_eeprom_info,
 451         },
 452         {
 453                 I2C_BOARD_INFO("tlv320aic3x", 0x18),
 454         },
 455         {
 456                 I2C_BOARD_INFO("pcf8574", 0x3f),
 457                 .platform_data  = &da830_evm_ui_expander_info,
 458         },
 459 };
 460
 461 static struct davinci_i2c_platform_data da830_evm_i2c_0_pdata = {
 462         .bus_freq       = 100,  /* kHz */
 463         .bus_delay      = 0,    /* usec */
 464 };
 465
 466 /*
 467  * The following EDMA channels/slots are not being used by drivers (for
 468  * example: Timer, GPIO, UART events etc) on da830/omap-l137 EVM, hence
 469  * they are being reserved for codecs on the DSP side.
 470  */
 471 static const s16 da830_dma_rsv_chans[][2] = {
 472         /* (offset, number) */
 473         { 8,  2},
 474         {12,  2},
 475         {24,  4},
 476         {30,  2},
 477         {-1, -1}
 478 };
 479
 480 static const s16 da830_dma_rsv_slots[][2] = {
 481         /* (offset, number) */
 482         { 8,  2},
 483         {12,  2},
 484         {24,  4},
 485         {30, 26},
 486         {-1, -1}
 487 };
 488
 489 static struct edma_rsv_info da830_edma_rsv[] = {
 490         {
 491                 .rsv_chans      = da830_dma_rsv_chans,
 492                 .rsv_slots      = da830_dma_rsv_slots,
 493         },
 494 };
 495
 496 static struct mtd_partition da830evm_spiflash_part[] = {
 497         [0] = {
 498                 .name = "DSP-UBL",
 499                 .offset = 0,
 500                 .size = SZ_8K,
 501                 .mask_flags = MTD_WRITEABLE,
 502         },
 503         [1] = {
 504                 .name = "ARM-UBL",
 505                 .offset = MTDPART_OFS_APPEND,
 506                 .size = SZ_16K + SZ_8K,
 507                 .mask_flags = MTD_WRITEABLE,
 508         },
 509         [2] = {
 510                 .name = "U-Boot",
 511                 .offset = MTDPART_OFS_APPEND,
 512                 .size = SZ_256K - SZ_32K,
 513                 .mask_flags = MTD_WRITEABLE,
 514         },
 515         [3] = {
 516                 .name = "U-Boot-Environment",
 517                 .offset = MTDPART_OFS_APPEND,
 518                 .size = SZ_16K,
 519                 .mask_flags = 0,
 520         },
 521         [4] = {
 522                 .name = "Kernel",
 523                 .offset = MTDPART_OFS_APPEND,
 524                 .size = MTDPART_SIZ_FULL,
 525                 .mask_flags = 0,
 526         },
 527 };
 528
 529 static struct flash_platform_data da830evm_spiflash_data = {
 530         .name           = "m25p80",
 531         .parts          = da830evm_spiflash_part,
 532         .nr_parts       = ARRAY_SIZE(da830evm_spiflash_part),
 533         .type           = "w25x32",
 534 };
 535
 536 static struct davinci_spi_config da830evm_spiflash_cfg = {
 537         .io_type        = SPI_IO_TYPE_DMA,
 538         .c2tdelay       = 8,
 539         .t2cdelay       = 8,
 540 };
 541
 542 static struct spi_board_info da830evm_spi_info[] = {
 543         {
 544                 .modalias               = "m25p80",
 545                 .platform_data          = &da830evm_spiflash_data,
 546                 .controller_data        = &da830evm_spiflash_cfg,
 547                 .mode                   = SPI_MODE_0,
 548                 .max_speed_hz           = 30000000,
 549                 .bus_num                = 0,
 550                 .chip_select            = 0,
 551         },
 552 };
 553
 554 static __init void da830_evm_init(void)
 555 {
 556         struct davinci_soc_info *soc_info = &davinci_soc_info;
 557         int ret;
 558
 559         ret = da8xx_register_cfgchip();
 560         if (ret)
 561                 pr_warn("%s: CFGCHIP registration failed: %d\n", __func__, ret);
 562
 563         ret = da830_register_gpio();
 564         if (ret)
 565                 pr_warn("%s: GPIO init failed: %d\n", __func__, ret);
 566
 567         ret = da830_register_edma(da830_edma_rsv);
 568         if (ret)
 569                 pr_warn("%s: edma registration failed: %d\n", __func__, ret);
 570
 571         ret = davinci_cfg_reg_list(da830_i2c0_pins);
 572         if (ret)
 573                 pr_warn("%s: i2c0 mux setup failed: %d\n", __func__, ret);
 574
 575         ret = da8xx_register_i2c(0, &da830_evm_i2c_0_pdata);
 576         if (ret)
 577                 pr_warn("%s: i2c0 registration failed: %d\n", __func__, ret);
 578
 579         da830_evm_usb_init();
 580
 581         soc_info->emac_pdata->rmii_en = 1;
 582         soc_info->emac_pdata->phy_id = DA830_EVM_PHY_ID;
 583
 584         ret = davinci_cfg_reg_list(da830_cpgmac_pins);
 585         if (ret)
 586                 pr_warn("%s: cpgmac mux setup failed: %d\n", __func__, ret);
 587
 588         ret = da8xx_register_emac();
 589         if (ret)
 590                 pr_warn("%s: emac registration failed: %d\n", __func__, ret);
 591
 592         ret = da8xx_register_watchdog();
 593         if (ret)
 594                 pr_warn("%s: watchdog registration failed: %d\n",
 595                         __func__, ret);
 596
 597         davinci_serial_init(da8xx_serial_device);
 598         i2c_register_board_info(1, da830_evm_i2c_devices,
 599                         ARRAY_SIZE(da830_evm_i2c_devices));
 600
 601         ret = davinci_cfg_reg_list(da830_evm_mcasp1_pins);
 602         if (ret)
 603                 pr_warn("%s: mcasp1 mux setup failed: %d\n", __func__, ret);
 604
 605         da8xx_register_mcasp(1, &da830_evm_snd_data);
 606
 607         da830_evm_init_mmc();
 608
 609         ret = da8xx_register_rtc();
 610         if (ret)
 611                 pr_warn("%s: rtc setup failed: %d\n", __func__, ret);
 612
 613         ret = spi_register_board_info(da830evm_spi_info,
 614                                       ARRAY_SIZE(da830evm_spi_info));
 615         if (ret)
 616                 pr_warn("%s: spi info registration failed: %d\n",
 617                         __func__, ret);
 618
 619         ret = da8xx_register_spi_bus(0, ARRAY_SIZE(da830evm_spi_info));
 620         if (ret)
 621                 pr_warn("%s: spi 0 registration failed: %d\n", __func__, ret);
 622
 623         regulator_has_full_constraints();
 624 }
 625
 626 #ifdef CONFIG_SERIAL_8250_CONSOLE
 627 static int __init da830_evm_console_init(void)
 628 {
 629         if (!machine_is_davinci_da830_evm())
 630                 return 0;
 631
 632         return add_preferred_console("ttyS", 2, "115200");
 633 }
 634 console_initcall(da830_evm_console_init);
 635 #endif
 636
 637 static void __init da830_evm_map_io(void)
 638 {
 639         da830_init();
 640 }
 641
 642 MACHINE_START(DAVINCI_DA830_EVM, "DaVinci DA830/OMAP-L137/AM17x EVM")
 643         .atag_offset    = 0x100,
 644         .map_io         = da830_evm_map_io,
 645         .init_irq       = cp_intc_init,
 646         .init_time      = davinci_timer_init,
 647         .init_machine   = da830_evm_init,
 648         .init_late      = davinci_init_late,
 649         .dma_zone_size  = SZ_128M,
 650         .restart        = da8xx_restart,
 651 MACHINE_END