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 static struct gpiod_lookup_table mmc_gpios_table = {
 209         .dev_id = "da830-mmc.0",
 210         .table = {
 211                 /* gpio chip 1 contains gpio range 32-63 */
 212                 GPIO_LOOKUP("davinci_gpio.1", 2, "cd", GPIO_ACTIVE_LOW),
 213                 GPIO_LOOKUP("davinci_gpio.1", 1, "wp", GPIO_ACTIVE_LOW),
 214         },
 215 };
 216
 217 static struct davinci_mmc_config da830_evm_mmc_config = {
 218         .wires                  = 8,
 219         .max_freq               = 50000000,
 220         .caps                   = MMC_CAP_MMC_HIGHSPEED | MMC_CAP_SD_HIGHSPEED,
 221 };
 222
 223 static inline void da830_evm_init_mmc(void)
 224 {
 225         int ret;
 226
 227         ret = davinci_cfg_reg_list(da830_evm_mmc_sd_pins);
 228         if (ret) {
 229                 pr_warn("%s: mmc/sd mux setup failed: %d\n", __func__, ret);
 230                 return;
 231         }
 232
 233         gpiod_add_lookup_table(&mmc_gpios_table);
 234
 235         ret = da8xx_register_mmcsd0(&da830_evm_mmc_config);
 236         if (ret) {
 237                 pr_warn("%s: mmc/sd registration failed: %d\n", __func__, ret);
 238                 gpiod_remove_lookup_table(&mmc_gpios_table);
 239         }
 240 }
 241
 242 /*
 243  * UI board NAND/NOR flashes only use 8-bit data bus.
 244  */
 245 static const short da830_evm_emif25_pins[] = {
 246         DA830_EMA_D_0, DA830_EMA_D_1, DA830_EMA_D_2, DA830_EMA_D_3,
 247         DA830_EMA_D_4, DA830_EMA_D_5, DA830_EMA_D_6, DA830_EMA_D_7,
 248         DA830_EMA_A_0, DA830_EMA_A_1, DA830_EMA_A_2, DA830_EMA_A_3,
 249         DA830_EMA_A_4, DA830_EMA_A_5, DA830_EMA_A_6, DA830_EMA_A_7,
 250         DA830_EMA_A_8, DA830_EMA_A_9, DA830_EMA_A_10, DA830_EMA_A_11,
 251         DA830_EMA_A_12, DA830_EMA_BA_0, DA830_EMA_BA_1, DA830_NEMA_WE,
 252         DA830_NEMA_CS_2, DA830_NEMA_CS_3, DA830_NEMA_OE, DA830_EMA_WAIT_0,
 253         -1
 254 };
 255
 256 #define HAS_MMC         IS_ENABLED(CONFIG_MMC_DAVINCI)
 257
 258 #ifdef CONFIG_DA830_UI_NAND
 259 static struct mtd_partition da830_evm_nand_partitions[] = {
 260         /* bootloader (U-Boot, etc) in first sector */
 261         [0] = {
 262                 .name           = "bootloader",
 263                 .offset         = 0,
 264                 .size           = SZ_128K,
 265                 .mask_flags     = MTD_WRITEABLE,        /* force read-only */
 266         },
 267         /* bootloader params in the next sector */
 268         [1] = {
 269                 .name           = "params",
 270                 .offset         = MTDPART_OFS_APPEND,
 271                 .size           = SZ_128K,
 272                 .mask_flags     = MTD_WRITEABLE,        /* force read-only */
 273         },
 274         /* kernel */
 275         [2] = {
 276                 .name           = "kernel",
 277                 .offset         = MTDPART_OFS_APPEND,
 278                 .size           = SZ_2M,
 279                 .mask_flags     = 0,
 280         },
 281         /* file system */
 282         [3] = {
 283                 .name           = "filesystem",
 284                 .offset         = MTDPART_OFS_APPEND,
 285                 .size           = MTDPART_SIZ_FULL,
 286                 .mask_flags     = 0,
 287         }
 288 };
 289
 290 /* flash bbt decriptors */
 291 static uint8_t da830_evm_nand_bbt_pattern[] = { 'B', 'b', 't', '0' };
 292 static uint8_t da830_evm_nand_mirror_pattern[] = { '1', 't', 'b', 'B' };
 293
 294 static struct nand_bbt_descr da830_evm_nand_bbt_main_descr = {
 295         .options        = NAND_BBT_LASTBLOCK | NAND_BBT_CREATE |
 296                           NAND_BBT_WRITE | NAND_BBT_2BIT |
 297                           NAND_BBT_VERSION | NAND_BBT_PERCHIP,
 298         .offs           = 2,
 299         .len            = 4,
 300         .veroffs        = 16,
 301         .maxblocks      = 4,
 302         .pattern        = da830_evm_nand_bbt_pattern
 303 };
 304
 305 static struct nand_bbt_descr da830_evm_nand_bbt_mirror_descr = {
 306         .options        = NAND_BBT_LASTBLOCK | NAND_BBT_CREATE |
 307                           NAND_BBT_WRITE | NAND_BBT_2BIT |
 308                           NAND_BBT_VERSION | NAND_BBT_PERCHIP,
 309         .offs           = 2,
 310         .len            = 4,
 311         .veroffs        = 16,
 312         .maxblocks      = 4,
 313         .pattern        = da830_evm_nand_mirror_pattern
 314 };
 315
 316 static struct davinci_aemif_timing da830_evm_nandflash_timing = {
 317         .wsetup         = 24,
 318         .wstrobe        = 21,
 319         .whold          = 14,
 320         .rsetup         = 19,
 321         .rstrobe        = 50,
 322         .rhold          = 0,
 323         .ta             = 20,
 324 };
 325
 326 static struct davinci_nand_pdata da830_evm_nand_pdata = {
 327         .parts          = da830_evm_nand_partitions,
 328         .nr_parts       = ARRAY_SIZE(da830_evm_nand_partitions),
 329         .ecc_mode       = NAND_ECC_HW,
 330         .ecc_bits       = 4,
 331         .bbt_options    = NAND_BBT_USE_FLASH,
 332         .bbt_td         = &da830_evm_nand_bbt_main_descr,
 333         .bbt_md         = &da830_evm_nand_bbt_mirror_descr,
 334         .timing         = &da830_evm_nandflash_timing,
 335 };
 336
 337 static struct resource da830_evm_nand_resources[] = {
 338         [0] = {         /* First memory resource is NAND I/O window */
 339                 .start  = DA8XX_AEMIF_CS3_BASE,
 340                 .end    = DA8XX_AEMIF_CS3_BASE + PAGE_SIZE - 1,
 341                 .flags  = IORESOURCE_MEM,
 342         },
 343         [1] = {         /* Second memory resource is AEMIF control registers */
 344                 .start  = DA8XX_AEMIF_CTL_BASE,
 345                 .end    = DA8XX_AEMIF_CTL_BASE + SZ_32K - 1,
 346                 .flags  = IORESOURCE_MEM,
 347         },
 348 };
 349
 350 static struct platform_device da830_evm_nand_device = {
 351         .name           = "davinci_nand",
 352         .id             = 1,
 353         .dev            = {
 354                 .platform_data  = &da830_evm_nand_pdata,
 355         },
 356         .num_resources  = ARRAY_SIZE(da830_evm_nand_resources),
 357         .resource       = da830_evm_nand_resources,
 358 };
 359
 360 static inline void da830_evm_init_nand(int mux_mode)
 361 {
 362         int ret;
 363
 364         if (HAS_MMC) {
 365                 pr_warn("WARNING: both MMC/SD and NAND are enabled, but they share AEMIF pins\n"
 366                         "\tDisable MMC/SD for NAND support\n");
 367                 return;
 368         }
 369
 370         ret = davinci_cfg_reg_list(da830_evm_emif25_pins);
 371         if (ret)
 372                 pr_warn("%s: emif25 mux setup failed: %d\n", __func__, ret);
 373
 374         ret = platform_device_register(&da830_evm_nand_device);
 375         if (ret)
 376                 pr_warn("%s: NAND device not registered\n", __func__);
 377
 378         if (davinci_aemif_setup(&da830_evm_nand_device))
 379                 pr_warn("%s: Cannot configure AEMIF\n", __func__);
 380
 381         gpio_direction_output(mux_mode, 1);
 382 }
 383 #else
 384 static inline void da830_evm_init_nand(int mux_mode) { }
 385 #endif
 386
 387 #ifdef CONFIG_DA830_UI_LCD
 388 static inline void da830_evm_init_lcdc(int mux_mode)
 389 {
 390         int ret;
 391
 392         ret = davinci_cfg_reg_list(da830_lcdcntl_pins);
 393         if (ret)
 394                 pr_warn("%s: lcdcntl mux setup failed: %d\n", __func__, ret);
 395
 396         ret = da8xx_register_lcdc(&sharp_lcd035q3dg01_pdata);
 397         if (ret)
 398                 pr_warn("%s: lcd setup failed: %d\n", __func__, ret);
 399
 400         gpio_direction_output(mux_mode, 0);
 401 }
 402 #else
 403 static inline void da830_evm_init_lcdc(int mux_mode) { }
 404 #endif
 405
 406 static struct at24_platform_data da830_evm_i2c_eeprom_info = {
 407         .byte_len       = SZ_256K / 8,
 408         .page_size      = 64,
 409         .flags          = AT24_FLAG_ADDR16,
 410         .setup          = davinci_get_mac_addr,
 411         .context        = (void *)0x7f00,
 412 };
 413
 414 static int __init da830_evm_ui_expander_setup(struct i2c_client *client,
 415                 int gpio, unsigned ngpio, void *context)
 416 {
 417         gpio_request(gpio + 6, "UI MUX_MODE");
 418
 419         /* Drive mux mode low to match the default without UI card */
 420         gpio_direction_output(gpio + 6, 0);
 421
 422         da830_evm_init_lcdc(gpio + 6);
 423
 424         da830_evm_init_nand(gpio + 6);
 425
 426         return 0;
 427 }
 428
 429 static int da830_evm_ui_expander_teardown(struct i2c_client *client, int gpio,
 430                 unsigned ngpio, void *context)
 431 {
 432         gpio_free(gpio + 6);
 433         return 0;
 434 }
 435
 436 static struct pcf857x_platform_data __initdata da830_evm_ui_expander_info = {
 437         .gpio_base      = DAVINCI_N_GPIO,
 438         .setup          = da830_evm_ui_expander_setup,
 439         .teardown       = da830_evm_ui_expander_teardown,
 440 };
 441
 442 static struct i2c_board_info __initdata da830_evm_i2c_devices[] = {
 443         {
 444                 I2C_BOARD_INFO("24c256", 0x50),
 445                 .platform_data  = &da830_evm_i2c_eeprom_info,
 446         },
 447         {
 448                 I2C_BOARD_INFO("tlv320aic3x", 0x18),
 449         },
 450         {
 451                 I2C_BOARD_INFO("pcf8574", 0x3f),
 452                 .platform_data  = &da830_evm_ui_expander_info,
 453         },
 454 };
 455
 456 static struct davinci_i2c_platform_data da830_evm_i2c_0_pdata = {
 457         .bus_freq       = 100,  /* kHz */
 458         .bus_delay      = 0,    /* usec */
 459 };
 460
 461 /*
 462  * The following EDMA channels/slots are not being used by drivers (for
 463  * example: Timer, GPIO, UART events etc) on da830/omap-l137 EVM, hence
 464  * they are being reserved for codecs on the DSP side.
 465  */
 466 static const s16 da830_dma_rsv_chans[][2] = {
 467         /* (offset, number) */
 468         { 8,  2},
 469         {12,  2},
 470         {24,  4},
 471         {30,  2},
 472         {-1, -1}
 473 };
 474
 475 static const s16 da830_dma_rsv_slots[][2] = {
 476         /* (offset, number) */
 477         { 8,  2},
 478         {12,  2},
 479         {24,  4},
 480         {30, 26},
 481         {-1, -1}
 482 };
 483
 484 static struct edma_rsv_info da830_edma_rsv[] = {
 485         {
 486                 .rsv_chans      = da830_dma_rsv_chans,
 487                 .rsv_slots      = da830_dma_rsv_slots,
 488         },
 489 };
 490
 491 static struct mtd_partition da830evm_spiflash_part[] = {
 492         [0] = {
 493                 .name = "DSP-UBL",
 494                 .offset = 0,
 495                 .size = SZ_8K,
 496                 .mask_flags = MTD_WRITEABLE,
 497         },
 498         [1] = {
 499                 .name = "ARM-UBL",
 500                 .offset = MTDPART_OFS_APPEND,
 501                 .size = SZ_16K + SZ_8K,
 502                 .mask_flags = MTD_WRITEABLE,
 503         },
 504         [2] = {
 505                 .name = "U-Boot",
 506                 .offset = MTDPART_OFS_APPEND,
 507                 .size = SZ_256K - SZ_32K,
 508                 .mask_flags = MTD_WRITEABLE,
 509         },
 510         [3] = {
 511                 .name = "U-Boot-Environment",
 512                 .offset = MTDPART_OFS_APPEND,
 513                 .size = SZ_16K,
 514                 .mask_flags = 0,
 515         },
 516         [4] = {
 517                 .name = "Kernel",
 518                 .offset = MTDPART_OFS_APPEND,
 519                 .size = MTDPART_SIZ_FULL,
 520                 .mask_flags = 0,
 521         },
 522 };
 523
 524 static struct flash_platform_data da830evm_spiflash_data = {
 525         .name           = "m25p80",
 526         .parts          = da830evm_spiflash_part,
 527         .nr_parts       = ARRAY_SIZE(da830evm_spiflash_part),
 528         .type           = "w25x32",
 529 };
 530
 531 static struct davinci_spi_config da830evm_spiflash_cfg = {
 532         .io_type        = SPI_IO_TYPE_DMA,
 533         .c2tdelay       = 8,
 534         .t2cdelay       = 8,
 535 };
 536
 537 static struct spi_board_info da830evm_spi_info[] = {
 538         {
 539                 .modalias               = "m25p80",
 540                 .platform_data          = &da830evm_spiflash_data,
 541                 .controller_data        = &da830evm_spiflash_cfg,
 542                 .mode                   = SPI_MODE_0,
 543                 .max_speed_hz           = 30000000,
 544                 .bus_num                = 0,
 545                 .chip_select            = 0,
 546         },
 547 };
 548
 549 static __init void da830_evm_init(void)
 550 {
 551         struct davinci_soc_info *soc_info = &davinci_soc_info;
 552         int ret;
 553
 554         ret = da8xx_register_cfgchip();
 555         if (ret)
 556                 pr_warn("%s: CFGCHIP registration failed: %d\n", __func__, ret);
 557
 558         ret = da830_register_gpio();
 559         if (ret)
 560                 pr_warn("%s: GPIO init failed: %d\n", __func__, ret);
 561
 562         ret = da830_register_edma(da830_edma_rsv);
 563         if (ret)
 564                 pr_warn("%s: edma registration failed: %d\n", __func__, ret);
 565
 566         ret = davinci_cfg_reg_list(da830_i2c0_pins);
 567         if (ret)
 568                 pr_warn("%s: i2c0 mux setup failed: %d\n", __func__, ret);
 569
 570         ret = da8xx_register_i2c(0, &da830_evm_i2c_0_pdata);
 571         if (ret)
 572                 pr_warn("%s: i2c0 registration failed: %d\n", __func__, ret);
 573
 574         da830_evm_usb_init();
 575
 576         soc_info->emac_pdata->rmii_en = 1;
 577         soc_info->emac_pdata->phy_id = DA830_EVM_PHY_ID;
 578
 579         ret = davinci_cfg_reg_list(da830_cpgmac_pins);
 580         if (ret)
 581                 pr_warn("%s: cpgmac mux setup failed: %d\n", __func__, ret);
 582
 583         ret = da8xx_register_emac();
 584         if (ret)
 585                 pr_warn("%s: emac registration failed: %d\n", __func__, ret);
 586
 587         ret = da8xx_register_watchdog();
 588         if (ret)
 589                 pr_warn("%s: watchdog registration failed: %d\n",
 590                         __func__, ret);
 591
 592         davinci_serial_init(da8xx_serial_device);
 593         i2c_register_board_info(1, da830_evm_i2c_devices,
 594                         ARRAY_SIZE(da830_evm_i2c_devices));
 595
 596         ret = davinci_cfg_reg_list(da830_evm_mcasp1_pins);
 597         if (ret)
 598                 pr_warn("%s: mcasp1 mux setup failed: %d\n", __func__, ret);
 599
 600         da8xx_register_mcasp(1, &da830_evm_snd_data);
 601
 602         da830_evm_init_mmc();
 603
 604         ret = da8xx_register_rtc();
 605         if (ret)
 606                 pr_warn("%s: rtc setup failed: %d\n", __func__, ret);
 607
 608         ret = spi_register_board_info(da830evm_spi_info,
 609                                       ARRAY_SIZE(da830evm_spi_info));
 610         if (ret)
 611                 pr_warn("%s: spi info registration failed: %d\n",
 612                         __func__, ret);
 613
 614         ret = da8xx_register_spi_bus(0, ARRAY_SIZE(da830evm_spi_info));
 615         if (ret)
 616                 pr_warn("%s: spi 0 registration failed: %d\n", __func__, ret);
 617
 618         regulator_has_full_constraints();
 619 }
 620
 621 #ifdef CONFIG_SERIAL_8250_CONSOLE
 622 static int __init da830_evm_console_init(void)
 623 {
 624         if (!machine_is_davinci_da830_evm())
 625                 return 0;
 626
 627         return add_preferred_console("ttyS", 2, "115200");
 628 }
 629 console_initcall(da830_evm_console_init);
 630 #endif
 631
 632 static void __init da830_evm_map_io(void)
 633 {
 634         da830_init();
 635 }
 636
 637 MACHINE_START(DAVINCI_DA830_EVM, "DaVinci DA830/OMAP-L137/AM17x EVM")
 638         .atag_offset    = 0x100,
 639         .map_io         = da830_evm_map_io,
 640         .init_irq       = cp_intc_init,
 641         .init_time      = davinci_timer_init,
 642         .init_machine   = da830_evm_init,
 643         .init_late      = davinci_init_late,
 644         .dma_zone_size  = SZ_128M,
 645         .restart        = da8xx_restart,
 646 MACHINE_END