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/platform_data/ti-aemif.h>
  32 #include <linux/regulator/machine.h>
  33
  34 #include <asm/mach-types.h>
  35 #include <asm/mach/arch.h>
  36
  37 #include <mach/common.h>
  38 #include "cp_intc.h"
  39 #include <mach/mux.h>
  40 #include <mach/da8xx.h>
  41
  42 #define DA830_EVM_PHY_ID                ""
  43 /*
  44  * USB1 VBUS is controlled by GPIO1[15], over-current is reported on GPIO2[4].
  45  */
  46 #define ON_BD_USB_DRV   GPIO_TO_PIN(1, 15)
  47 #define ON_BD_USB_OVC   GPIO_TO_PIN(2, 4)
  48
  49 static const short da830_evm_usb11_pins[] = {
  50         DA830_GPIO1_15, DA830_GPIO2_4,
  51         -1
  52 };
  53
  54 static da8xx_ocic_handler_t da830_evm_usb_ocic_handler;
  55
  56 static int da830_evm_usb_set_power(unsigned port, int on)
  57 {
  58         gpio_set_value(ON_BD_USB_DRV, on);
  59         return 0;
  60 }
  61
  62 static int da830_evm_usb_get_power(unsigned port)
  63 {
  64         return gpio_get_value(ON_BD_USB_DRV);
  65 }
  66
  67 static int da830_evm_usb_get_oci(unsigned port)
  68 {
  69         return !gpio_get_value(ON_BD_USB_OVC);
  70 }
  71
  72 static irqreturn_t da830_evm_usb_ocic_irq(int, void *);
  73
  74 static int da830_evm_usb_ocic_notify(da8xx_ocic_handler_t handler)
  75 {
  76         int irq         = gpio_to_irq(ON_BD_USB_OVC);
  77         int error       = 0;
  78
  79         if (handler != NULL) {
  80                 da830_evm_usb_ocic_handler = handler;
  81
  82                 error = request_irq(irq, da830_evm_usb_ocic_irq,
  83                                     IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING,
  84                                     "OHCI over-current indicator", NULL);
  85                 if (error)
  86                         pr_err("%s: could not request IRQ to watch over-current indicator changes\n",
  87                                __func__);
  88         } else
  89                 free_irq(irq, NULL);
  90
  91         return error;
  92 }
  93
  94 static struct da8xx_ohci_root_hub da830_evm_usb11_pdata = {
  95         .set_power      = da830_evm_usb_set_power,
  96         .get_power      = da830_evm_usb_get_power,
  97         .get_oci        = da830_evm_usb_get_oci,
  98         .ocic_notify    = da830_evm_usb_ocic_notify,
  99
 100         /* TPS2065 switch @ 5V */
 101         .potpgt         = (3 + 1) / 2,  /* 3 ms max */
 102 };
 103
 104 static irqreturn_t da830_evm_usb_ocic_irq(int irq, void *dev_id)
 105 {
 106         da830_evm_usb_ocic_handler(&da830_evm_usb11_pdata, 1);
 107         return IRQ_HANDLED;
 108 }
 109
 110 static __init void da830_evm_usb_init(void)
 111 {
 112         int ret;
 113
 114         ret = da8xx_register_usb_phy_clocks();
 115         if (ret)
 116                 pr_warn("%s: USB PHY CLK registration failed: %d\n",
 117                         __func__, ret);
 118
 119         ret = da8xx_register_usb_phy();
 120         if (ret)
 121                 pr_warn("%s: USB PHY registration failed: %d\n",
 122                         __func__, ret);
 123
 124         ret = davinci_cfg_reg(DA830_USB0_DRVVBUS);
 125         if (ret)
 126                 pr_warn("%s: USB 2.0 PinMux setup failed: %d\n", __func__, ret);
 127         else {
 128                 /*
 129                  * TPS2065 switch @ 5V supplies 1 A (sustains 1.5 A),
 130                  * with the power on to power good time of 3 ms.
 131                  */
 132                 ret = da8xx_register_usb20(1000, 3);
 133                 if (ret)
 134                         pr_warn("%s: USB 2.0 registration failed: %d\n",
 135                                 __func__, ret);
 136         }
 137
 138         ret = davinci_cfg_reg_list(da830_evm_usb11_pins);
 139         if (ret) {
 140                 pr_warn("%s: USB 1.1 PinMux setup failed: %d\n", __func__, ret);
 141                 return;
 142         }
 143
 144         ret = gpio_request(ON_BD_USB_DRV, "ON_BD_USB_DRV");
 145         if (ret) {
 146                 pr_err("%s: failed to request GPIO for USB 1.1 port power control: %d\n",
 147                        __func__, ret);
 148                 return;
 149         }
 150         gpio_direction_output(ON_BD_USB_DRV, 0);
 151
 152         ret = gpio_request(ON_BD_USB_OVC, "ON_BD_USB_OVC");
 153         if (ret) {
 154                 pr_err("%s: failed to request GPIO for USB 1.1 port over-current indicator: %d\n",
 155                        __func__, ret);
 156                 return;
 157         }
 158         gpio_direction_input(ON_BD_USB_OVC);
 159
 160         ret = da8xx_register_usb11(&da830_evm_usb11_pdata);
 161         if (ret)
 162                 pr_warn("%s: USB 1.1 registration failed: %d\n", __func__, ret);
 163 }
 164
 165 static const short da830_evm_mcasp1_pins[] = {
 166         DA830_AHCLKX1, DA830_ACLKX1, DA830_AFSX1, DA830_AHCLKR1, DA830_AFSR1,
 167         DA830_AMUTE1, DA830_AXR1_0, DA830_AXR1_1, DA830_AXR1_2, DA830_AXR1_5,
 168         DA830_ACLKR1, DA830_AXR1_6, DA830_AXR1_7, DA830_AXR1_8, DA830_AXR1_10,
 169         DA830_AXR1_11,
 170         -1
 171 };
 172
 173 static u8 da830_iis_serializer_direction[] = {
 174         RX_MODE,        INACTIVE_MODE,  INACTIVE_MODE,  INACTIVE_MODE,
 175         INACTIVE_MODE,  TX_MODE,        INACTIVE_MODE,  INACTIVE_MODE,
 176         INACTIVE_MODE,  INACTIVE_MODE,  INACTIVE_MODE,  INACTIVE_MODE,
 177 };
 178
 179 static struct snd_platform_data da830_evm_snd_data = {
 180         .tx_dma_offset  = 0x2000,
 181         .rx_dma_offset  = 0x2000,
 182         .op_mode        = DAVINCI_MCASP_IIS_MODE,
 183         .num_serializer = ARRAY_SIZE(da830_iis_serializer_direction),
 184         .tdm_slots      = 2,
 185         .serial_dir     = da830_iis_serializer_direction,
 186         .asp_chan_q     = EVENTQ_0,
 187         .version        = MCASP_VERSION_2,
 188         .txnumevt       = 1,
 189         .rxnumevt       = 1,
 190 };
 191
 192 /*
 193  * GPIO2[1] is used as MMC_SD_WP and GPIO2[2] as MMC_SD_INS.
 194  */
 195 static const short da830_evm_mmc_sd_pins[] = {
 196         DA830_MMCSD_DAT_0, DA830_MMCSD_DAT_1, DA830_MMCSD_DAT_2,
 197         DA830_MMCSD_DAT_3, DA830_MMCSD_DAT_4, DA830_MMCSD_DAT_5,
 198         DA830_MMCSD_DAT_6, DA830_MMCSD_DAT_7, DA830_MMCSD_CLK,
 199         DA830_MMCSD_CMD,   DA830_GPIO2_1,     DA830_GPIO2_2,
 200         -1
 201 };
 202
 203 #define DA830_MMCSD_WP_PIN              GPIO_TO_PIN(2, 1)
 204 #define DA830_MMCSD_CD_PIN              GPIO_TO_PIN(2, 2)
 205
 206 static struct gpiod_lookup_table mmc_gpios_table = {
 207         .dev_id = "da830-mmc.0",
 208         .table = {
 209                 /* gpio chip 1 contains gpio range 32-63 */
 210                 GPIO_LOOKUP("davinci_gpio.0", DA830_MMCSD_CD_PIN, "cd",
 211                             GPIO_ACTIVE_LOW),
 212                 GPIO_LOOKUP("davinci_gpio.0", DA830_MMCSD_WP_PIN, "wp",
 213                             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 #define HAS_MMC         IS_ENABLED(CONFIG_MMC_DAVINCI)
 243
 244 #ifdef CONFIG_DA830_UI_NAND
 245 static struct mtd_partition da830_evm_nand_partitions[] = {
 246         /* bootloader (U-Boot, etc) in first sector */
 247         [0] = {
 248                 .name           = "bootloader",
 249                 .offset         = 0,
 250                 .size           = SZ_128K,
 251                 .mask_flags     = MTD_WRITEABLE,        /* force read-only */
 252         },
 253         /* bootloader params in the next sector */
 254         [1] = {
 255                 .name           = "params",
 256                 .offset         = MTDPART_OFS_APPEND,
 257                 .size           = SZ_128K,
 258                 .mask_flags     = MTD_WRITEABLE,        /* force read-only */
 259         },
 260         /* kernel */
 261         [2] = {
 262                 .name           = "kernel",
 263                 .offset         = MTDPART_OFS_APPEND,
 264                 .size           = SZ_2M,
 265                 .mask_flags     = 0,
 266         },
 267         /* file system */
 268         [3] = {
 269                 .name           = "filesystem",
 270                 .offset         = MTDPART_OFS_APPEND,
 271                 .size           = MTDPART_SIZ_FULL,
 272                 .mask_flags     = 0,
 273         }
 274 };
 275
 276 /* flash bbt decriptors */
 277 static uint8_t da830_evm_nand_bbt_pattern[] = { 'B', 'b', 't', '0' };
 278 static uint8_t da830_evm_nand_mirror_pattern[] = { '1', 't', 'b', 'B' };
 279
 280 static struct nand_bbt_descr da830_evm_nand_bbt_main_descr = {
 281         .options        = NAND_BBT_LASTBLOCK | NAND_BBT_CREATE |
 282                           NAND_BBT_WRITE | NAND_BBT_2BIT |
 283                           NAND_BBT_VERSION | NAND_BBT_PERCHIP,
 284         .offs           = 2,
 285         .len            = 4,
 286         .veroffs        = 16,
 287         .maxblocks      = 4,
 288         .pattern        = da830_evm_nand_bbt_pattern
 289 };
 290
 291 static struct nand_bbt_descr da830_evm_nand_bbt_mirror_descr = {
 292         .options        = NAND_BBT_LASTBLOCK | NAND_BBT_CREATE |
 293                           NAND_BBT_WRITE | NAND_BBT_2BIT |
 294                           NAND_BBT_VERSION | NAND_BBT_PERCHIP,
 295         .offs           = 2,
 296         .len            = 4,
 297         .veroffs        = 16,
 298         .maxblocks      = 4,
 299         .pattern        = da830_evm_nand_mirror_pattern
 300 };
 301
 302 static struct davinci_aemif_timing da830_evm_nandflash_timing = {
 303         .wsetup         = 24,
 304         .wstrobe        = 21,
 305         .whold          = 14,
 306         .rsetup         = 19,
 307         .rstrobe        = 50,
 308         .rhold          = 0,
 309         .ta             = 20,
 310 };
 311
 312 static struct davinci_nand_pdata da830_evm_nand_pdata = {
 313         .core_chipsel   = 1,
 314         .parts          = da830_evm_nand_partitions,
 315         .nr_parts       = ARRAY_SIZE(da830_evm_nand_partitions),
 316         .ecc_mode       = NAND_ECC_HW,
 317         .ecc_bits       = 4,
 318         .bbt_options    = NAND_BBT_USE_FLASH,
 319         .bbt_td         = &da830_evm_nand_bbt_main_descr,
 320         .bbt_md         = &da830_evm_nand_bbt_mirror_descr,
 321         .timing         = &da830_evm_nandflash_timing,
 322 };
 323
 324 static struct resource da830_evm_nand_resources[] = {
 325         [0] = {         /* First memory resource is NAND I/O window */
 326                 .start  = DA8XX_AEMIF_CS3_BASE,
 327                 .end    = DA8XX_AEMIF_CS3_BASE + PAGE_SIZE - 1,
 328                 .flags  = IORESOURCE_MEM,
 329         },
 330         [1] = {         /* Second memory resource is AEMIF control registers */
 331                 .start  = DA8XX_AEMIF_CTL_BASE,
 332                 .end    = DA8XX_AEMIF_CTL_BASE + SZ_32K - 1,
 333                 .flags  = IORESOURCE_MEM,
 334         },
 335 };
 336
 337 static struct platform_device da830_evm_aemif_devices[] = {
 338         {
 339                 .name           = "davinci_nand",
 340                 .id             = 1,
 341                 .dev            = {
 342                         .platform_data  = &da830_evm_nand_pdata,
 343                 },
 344                 .num_resources  = ARRAY_SIZE(da830_evm_nand_resources),
 345                 .resource       = da830_evm_nand_resources,
 346         },
 347 };
 348
 349 static struct resource da830_evm_aemif_resource[] = {
 350         {
 351                 .start  = DA8XX_AEMIF_CTL_BASE,
 352                 .end    = DA8XX_AEMIF_CTL_BASE + SZ_32K - 1,
 353                 .flags  = IORESOURCE_MEM,
 354         },
 355 };
 356
 357 static struct aemif_abus_data da830_evm_aemif_abus_data[] = {
 358         {
 359                 .cs     = 3,
 360         },
 361 };
 362
 363 static struct aemif_platform_data da830_evm_aemif_pdata = {
 364         .abus_data              = da830_evm_aemif_abus_data,
 365         .num_abus_data          = ARRAY_SIZE(da830_evm_aemif_abus_data),
 366         .sub_devices            = da830_evm_aemif_devices,
 367         .num_sub_devices        = ARRAY_SIZE(da830_evm_aemif_devices),
 368         .cs_offset              = 2,
 369 };
 370
 371 static struct platform_device da830_evm_aemif_device = {
 372         .name           = "ti-aemif",
 373         .id             = -1,
 374         .dev = {
 375                 .platform_data = &da830_evm_aemif_pdata,
 376         },
 377         .resource       = da830_evm_aemif_resource,
 378         .num_resources  = ARRAY_SIZE(da830_evm_aemif_resource),
 379 };
 380
 381 /*
 382  * UI board NAND/NOR flashes only use 8-bit data bus.
 383  */
 384 static const short da830_evm_emif25_pins[] = {
 385         DA830_EMA_D_0, DA830_EMA_D_1, DA830_EMA_D_2, DA830_EMA_D_3,
 386         DA830_EMA_D_4, DA830_EMA_D_5, DA830_EMA_D_6, DA830_EMA_D_7,
 387         DA830_EMA_A_0, DA830_EMA_A_1, DA830_EMA_A_2, DA830_EMA_A_3,
 388         DA830_EMA_A_4, DA830_EMA_A_5, DA830_EMA_A_6, DA830_EMA_A_7,
 389         DA830_EMA_A_8, DA830_EMA_A_9, DA830_EMA_A_10, DA830_EMA_A_11,
 390         DA830_EMA_A_12, DA830_EMA_BA_0, DA830_EMA_BA_1, DA830_NEMA_WE,
 391         DA830_NEMA_CS_2, DA830_NEMA_CS_3, DA830_NEMA_OE, DA830_EMA_WAIT_0,
 392         -1
 393 };
 394
 395 static inline void da830_evm_init_nand(int mux_mode)
 396 {
 397         int ret;
 398
 399         if (HAS_MMC) {
 400                 pr_warn("WARNING: both MMC/SD and NAND are enabled, but they share AEMIF pins\n"
 401                         "\tDisable MMC/SD for NAND support\n");
 402                 return;
 403         }
 404
 405         ret = davinci_cfg_reg_list(da830_evm_emif25_pins);
 406         if (ret)
 407                 pr_warn("%s: emif25 mux setup failed: %d\n", __func__, ret);
 408
 409         ret = platform_device_register(&da830_evm_aemif_device);
 410         if (ret)
 411                 pr_warn("%s: AEMIF device not registered\n", __func__);
 412
 413         gpio_direction_output(mux_mode, 1);
 414 }
 415 #else
 416 static inline void da830_evm_init_nand(int mux_mode) { }
 417 #endif
 418
 419 #ifdef CONFIG_DA830_UI_LCD
 420 static inline void da830_evm_init_lcdc(int mux_mode)
 421 {
 422         int ret;
 423
 424         ret = davinci_cfg_reg_list(da830_lcdcntl_pins);
 425         if (ret)
 426                 pr_warn("%s: lcdcntl mux setup failed: %d\n", __func__, ret);
 427
 428         ret = da8xx_register_lcdc(&sharp_lcd035q3dg01_pdata);
 429         if (ret)
 430                 pr_warn("%s: lcd setup failed: %d\n", __func__, ret);
 431
 432         gpio_direction_output(mux_mode, 0);
 433 }
 434 #else
 435 static inline void da830_evm_init_lcdc(int mux_mode) { }
 436 #endif
 437
 438 static struct at24_platform_data da830_evm_i2c_eeprom_info = {
 439         .byte_len       = SZ_256K / 8,
 440         .page_size      = 64,
 441         .flags          = AT24_FLAG_ADDR16,
 442         .setup          = davinci_get_mac_addr,
 443         .context        = (void *)0x7f00,
 444 };
 445
 446 static int __init da830_evm_ui_expander_setup(struct i2c_client *client,
 447                 int gpio, unsigned ngpio, void *context)
 448 {
 449         gpio_request(gpio + 6, "UI MUX_MODE");
 450
 451         /* Drive mux mode low to match the default without UI card */
 452         gpio_direction_output(gpio + 6, 0);
 453
 454         da830_evm_init_lcdc(gpio + 6);
 455
 456         da830_evm_init_nand(gpio + 6);
 457
 458         return 0;
 459 }
 460
 461 static int da830_evm_ui_expander_teardown(struct i2c_client *client, int gpio,
 462                 unsigned ngpio, void *context)
 463 {
 464         gpio_free(gpio + 6);
 465         return 0;
 466 }
 467
 468 static struct pcf857x_platform_data __initdata da830_evm_ui_expander_info = {
 469         .gpio_base      = DAVINCI_N_GPIO,
 470         .setup          = da830_evm_ui_expander_setup,
 471         .teardown       = da830_evm_ui_expander_teardown,
 472 };
 473
 474 static struct i2c_board_info __initdata da830_evm_i2c_devices[] = {
 475         {
 476                 I2C_BOARD_INFO("24c256", 0x50),
 477                 .platform_data  = &da830_evm_i2c_eeprom_info,
 478         },
 479         {
 480                 I2C_BOARD_INFO("tlv320aic3x", 0x18),
 481         },
 482         {
 483                 I2C_BOARD_INFO("pcf8574", 0x3f),
 484                 .platform_data  = &da830_evm_ui_expander_info,
 485         },
 486 };
 487
 488 static struct davinci_i2c_platform_data da830_evm_i2c_0_pdata = {
 489         .bus_freq       = 100,  /* kHz */
 490         .bus_delay      = 0,    /* usec */
 491 };
 492
 493 /*
 494  * The following EDMA channels/slots are not being used by drivers (for
 495  * example: Timer, GPIO, UART events etc) on da830/omap-l137 EVM, hence
 496  * they are being reserved for codecs on the DSP side.
 497  */
 498 static const s16 da830_dma_rsv_chans[][2] = {
 499         /* (offset, number) */
 500         { 8,  2},
 501         {12,  2},
 502         {24,  4},
 503         {30,  2},
 504         {-1, -1}
 505 };
 506
 507 static const s16 da830_dma_rsv_slots[][2] = {
 508         /* (offset, number) */
 509         { 8,  2},
 510         {12,  2},
 511         {24,  4},
 512         {30, 26},
 513         {-1, -1}
 514 };
 515
 516 static struct edma_rsv_info da830_edma_rsv[] = {
 517         {
 518                 .rsv_chans      = da830_dma_rsv_chans,
 519                 .rsv_slots      = da830_dma_rsv_slots,
 520         },
 521 };
 522
 523 static struct mtd_partition da830evm_spiflash_part[] = {
 524         [0] = {
 525                 .name = "DSP-UBL",
 526                 .offset = 0,
 527                 .size = SZ_8K,
 528                 .mask_flags = MTD_WRITEABLE,
 529         },
 530         [1] = {
 531                 .name = "ARM-UBL",
 532                 .offset = MTDPART_OFS_APPEND,
 533                 .size = SZ_16K + SZ_8K,
 534                 .mask_flags = MTD_WRITEABLE,
 535         },
 536         [2] = {
 537                 .name = "U-Boot",
 538                 .offset = MTDPART_OFS_APPEND,
 539                 .size = SZ_256K - SZ_32K,
 540                 .mask_flags = MTD_WRITEABLE,
 541         },
 542         [3] = {
 543                 .name = "U-Boot-Environment",
 544                 .offset = MTDPART_OFS_APPEND,
 545                 .size = SZ_16K,
 546                 .mask_flags = 0,
 547         },
 548         [4] = {
 549                 .name = "Kernel",
 550                 .offset = MTDPART_OFS_APPEND,
 551                 .size = MTDPART_SIZ_FULL,
 552                 .mask_flags = 0,
 553         },
 554 };
 555
 556 static struct flash_platform_data da830evm_spiflash_data = {
 557         .name           = "m25p80",
 558         .parts          = da830evm_spiflash_part,
 559         .nr_parts       = ARRAY_SIZE(da830evm_spiflash_part),
 560         .type           = "w25x32",
 561 };
 562
 563 static struct davinci_spi_config da830evm_spiflash_cfg = {
 564         .io_type        = SPI_IO_TYPE_DMA,
 565         .c2tdelay       = 8,
 566         .t2cdelay       = 8,
 567 };
 568
 569 static struct spi_board_info da830evm_spi_info[] = {
 570         {
 571                 .modalias               = "m25p80",
 572                 .platform_data          = &da830evm_spiflash_data,
 573                 .controller_data        = &da830evm_spiflash_cfg,
 574                 .mode                   = SPI_MODE_0,
 575                 .max_speed_hz           = 30000000,
 576                 .bus_num                = 0,
 577                 .chip_select            = 0,
 578         },
 579 };
 580
 581 static __init void da830_evm_init(void)
 582 {
 583         struct davinci_soc_info *soc_info = &davinci_soc_info;
 584         int ret;
 585
 586         da830_register_clocks();
 587
 588         ret = da830_register_gpio();
 589         if (ret)
 590                 pr_warn("%s: GPIO init failed: %d\n", __func__, ret);
 591
 592         ret = da830_register_edma(da830_edma_rsv);
 593         if (ret)
 594                 pr_warn("%s: edma registration failed: %d\n", __func__, ret);
 595
 596         ret = davinci_cfg_reg_list(da830_i2c0_pins);
 597         if (ret)
 598                 pr_warn("%s: i2c0 mux setup failed: %d\n", __func__, ret);
 599
 600         ret = da8xx_register_i2c(0, &da830_evm_i2c_0_pdata);
 601         if (ret)
 602                 pr_warn("%s: i2c0 registration failed: %d\n", __func__, ret);
 603
 604         da830_evm_usb_init();
 605
 606         soc_info->emac_pdata->rmii_en = 1;
 607         soc_info->emac_pdata->phy_id = DA830_EVM_PHY_ID;
 608
 609         ret = davinci_cfg_reg_list(da830_cpgmac_pins);
 610         if (ret)
 611                 pr_warn("%s: cpgmac mux setup failed: %d\n", __func__, ret);
 612
 613         ret = da8xx_register_emac();
 614         if (ret)
 615                 pr_warn("%s: emac registration failed: %d\n", __func__, ret);
 616
 617         ret = da8xx_register_watchdog();
 618         if (ret)
 619                 pr_warn("%s: watchdog registration failed: %d\n",
 620                         __func__, ret);
 621
 622         davinci_serial_init(da8xx_serial_device);
 623         i2c_register_board_info(1, da830_evm_i2c_devices,
 624                         ARRAY_SIZE(da830_evm_i2c_devices));
 625
 626         ret = davinci_cfg_reg_list(da830_evm_mcasp1_pins);
 627         if (ret)
 628                 pr_warn("%s: mcasp1 mux setup failed: %d\n", __func__, ret);
 629
 630         da8xx_register_mcasp(1, &da830_evm_snd_data);
 631
 632         da830_evm_init_mmc();
 633
 634         ret = da8xx_register_rtc();
 635         if (ret)
 636                 pr_warn("%s: rtc setup failed: %d\n", __func__, ret);
 637
 638         ret = spi_register_board_info(da830evm_spi_info,
 639                                       ARRAY_SIZE(da830evm_spi_info));
 640         if (ret)
 641                 pr_warn("%s: spi info registration failed: %d\n",
 642                         __func__, ret);
 643
 644         ret = da8xx_register_spi_bus(0, ARRAY_SIZE(da830evm_spi_info));
 645         if (ret)
 646                 pr_warn("%s: spi 0 registration failed: %d\n", __func__, ret);
 647
 648         regulator_has_full_constraints();
 649 }
 650
 651 #ifdef CONFIG_SERIAL_8250_CONSOLE
 652 static int __init da830_evm_console_init(void)
 653 {
 654         if (!machine_is_davinci_da830_evm())
 655                 return 0;
 656
 657         return add_preferred_console("ttyS", 2, "115200");
 658 }
 659 console_initcall(da830_evm_console_init);
 660 #endif
 661
 662 static void __init da830_evm_map_io(void)
 663 {
 664         da830_init();
 665 }
 666
 667 MACHINE_START(DAVINCI_DA830_EVM, "DaVinci DA830/OMAP-L137/AM17x EVM")
 668         .atag_offset    = 0x100,
 669         .map_io         = da830_evm_map_io,
 670         .init_irq       = cp_intc_init,
 671         .init_time      = da830_init_time,
 672         .init_machine   = da830_evm_init,
 673         .init_late      = davinci_init_late,
 674         .dma_zone_size  = SZ_128M,
 675 MACHINE_END