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 #include <linux/nvmem-provider.h>
  34
  35 #include <asm/mach-types.h>
  36 #include <asm/mach/arch.h>
  37
  38 #include <mach/common.h>
  39 #include "cp_intc.h"
  40 #include <mach/mux.h>
  41 #include <mach/da8xx.h>
  42
  43 #define DA830_EVM_PHY_ID                ""
  44 /*
  45  * USB1 VBUS is controlled by GPIO1[15], over-current is reported on GPIO2[4].
  46  */
  47 #define ON_BD_USB_DRV   GPIO_TO_PIN(1, 15)
  48 #define ON_BD_USB_OVC   GPIO_TO_PIN(2, 4)
  49
  50 static const short da830_evm_usb11_pins[] = {
  51         DA830_GPIO1_15, DA830_GPIO2_4,
  52         -1
  53 };
  54
  55 static da8xx_ocic_handler_t da830_evm_usb_ocic_handler;
  56
  57 static int da830_evm_usb_set_power(unsigned port, int on)
  58 {
  59         gpio_set_value(ON_BD_USB_DRV, on);
  60         return 0;
  61 }
  62
  63 static int da830_evm_usb_get_power(unsigned port)
  64 {
  65         return gpio_get_value(ON_BD_USB_DRV);
  66 }
  67
  68 static int da830_evm_usb_get_oci(unsigned port)
  69 {
  70         return !gpio_get_value(ON_BD_USB_OVC);
  71 }
  72
  73 static irqreturn_t da830_evm_usb_ocic_irq(int, void *);
  74
  75 static int da830_evm_usb_ocic_notify(da8xx_ocic_handler_t handler)
  76 {
  77         int irq         = gpio_to_irq(ON_BD_USB_OVC);
  78         int error       = 0;
  79
  80         if (handler != NULL) {
  81                 da830_evm_usb_ocic_handler = handler;
  82
  83                 error = request_irq(irq, da830_evm_usb_ocic_irq,
  84                                     IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING,
  85                                     "OHCI over-current indicator", NULL);
  86                 if (error)
  87                         pr_err("%s: could not request IRQ to watch over-current indicator changes\n",
  88                                __func__);
  89         } else
  90                 free_irq(irq, NULL);
  91
  92         return error;
  93 }
  94
  95 static struct da8xx_ohci_root_hub da830_evm_usb11_pdata = {
  96         .set_power      = da830_evm_usb_set_power,
  97         .get_power      = da830_evm_usb_get_power,
  98         .get_oci        = da830_evm_usb_get_oci,
  99         .ocic_notify    = da830_evm_usb_ocic_notify,
 100
 101         /* TPS2065 switch @ 5V */
 102         .potpgt         = (3 + 1) / 2,  /* 3 ms max */
 103 };
 104
 105 static irqreturn_t da830_evm_usb_ocic_irq(int irq, void *dev_id)
 106 {
 107         da830_evm_usb_ocic_handler(&da830_evm_usb11_pdata, 1);
 108         return IRQ_HANDLED;
 109 }
 110
 111 static __init void da830_evm_usb_init(void)
 112 {
 113         int ret;
 114
 115         ret = da8xx_register_usb_phy_clocks();
 116         if (ret)
 117                 pr_warn("%s: USB PHY CLK registration failed: %d\n",
 118                         __func__, ret);
 119
 120         ret = da8xx_register_usb_phy();
 121         if (ret)
 122                 pr_warn("%s: USB PHY registration failed: %d\n",
 123                         __func__, ret);
 124
 125         ret = davinci_cfg_reg(DA830_USB0_DRVVBUS);
 126         if (ret)
 127                 pr_warn("%s: USB 2.0 PinMux setup failed: %d\n", __func__, ret);
 128         else {
 129                 /*
 130                  * TPS2065 switch @ 5V supplies 1 A (sustains 1.5 A),
 131                  * with the power on to power good time of 3 ms.
 132                  */
 133                 ret = da8xx_register_usb20(1000, 3);
 134                 if (ret)
 135                         pr_warn("%s: USB 2.0 registration failed: %d\n",
 136                                 __func__, ret);
 137         }
 138
 139         ret = davinci_cfg_reg_list(da830_evm_usb11_pins);
 140         if (ret) {
 141                 pr_warn("%s: USB 1.1 PinMux setup failed: %d\n", __func__, ret);
 142                 return;
 143         }
 144
 145         ret = gpio_request(ON_BD_USB_DRV, "ON_BD_USB_DRV");
 146         if (ret) {
 147                 pr_err("%s: failed to request GPIO for USB 1.1 port power control: %d\n",
 148                        __func__, ret);
 149                 return;
 150         }
 151         gpio_direction_output(ON_BD_USB_DRV, 0);
 152
 153         ret = gpio_request(ON_BD_USB_OVC, "ON_BD_USB_OVC");
 154         if (ret) {
 155                 pr_err("%s: failed to request GPIO for USB 1.1 port over-current indicator: %d\n",
 156                        __func__, ret);
 157                 return;
 158         }
 159         gpio_direction_input(ON_BD_USB_OVC);
 160
 161         ret = da8xx_register_usb11(&da830_evm_usb11_pdata);
 162         if (ret)
 163                 pr_warn("%s: USB 1.1 registration failed: %d\n", __func__, ret);
 164 }
 165
 166 static const short da830_evm_mcasp1_pins[] = {
 167         DA830_AHCLKX1, DA830_ACLKX1, DA830_AFSX1, DA830_AHCLKR1, DA830_AFSR1,
 168         DA830_AMUTE1, DA830_AXR1_0, DA830_AXR1_1, DA830_AXR1_2, DA830_AXR1_5,
 169         DA830_ACLKR1, DA830_AXR1_6, DA830_AXR1_7, DA830_AXR1_8, DA830_AXR1_10,
 170         DA830_AXR1_11,
 171         -1
 172 };
 173
 174 static u8 da830_iis_serializer_direction[] = {
 175         RX_MODE,        INACTIVE_MODE,  INACTIVE_MODE,  INACTIVE_MODE,
 176         INACTIVE_MODE,  TX_MODE,        INACTIVE_MODE,  INACTIVE_MODE,
 177         INACTIVE_MODE,  INACTIVE_MODE,  INACTIVE_MODE,  INACTIVE_MODE,
 178 };
 179
 180 static struct snd_platform_data da830_evm_snd_data = {
 181         .tx_dma_offset  = 0x2000,
 182         .rx_dma_offset  = 0x2000,
 183         .op_mode        = DAVINCI_MCASP_IIS_MODE,
 184         .num_serializer = ARRAY_SIZE(da830_iis_serializer_direction),
 185         .tdm_slots      = 2,
 186         .serial_dir     = da830_iis_serializer_direction,
 187         .asp_chan_q     = EVENTQ_0,
 188         .version        = MCASP_VERSION_2,
 189         .txnumevt       = 1,
 190         .rxnumevt       = 1,
 191 };
 192
 193 /*
 194  * GPIO2[1] is used as MMC_SD_WP and GPIO2[2] as MMC_SD_INS.
 195  */
 196 static const short da830_evm_mmc_sd_pins[] = {
 197         DA830_MMCSD_DAT_0, DA830_MMCSD_DAT_1, DA830_MMCSD_DAT_2,
 198         DA830_MMCSD_DAT_3, DA830_MMCSD_DAT_4, DA830_MMCSD_DAT_5,
 199         DA830_MMCSD_DAT_6, DA830_MMCSD_DAT_7, DA830_MMCSD_CLK,
 200         DA830_MMCSD_CMD,   DA830_GPIO2_1,     DA830_GPIO2_2,
 201         -1
 202 };
 203
 204 #define DA830_MMCSD_WP_PIN              GPIO_TO_PIN(2, 1)
 205 #define DA830_MMCSD_CD_PIN              GPIO_TO_PIN(2, 2)
 206
 207 static struct gpiod_lookup_table mmc_gpios_table = {
 208         .dev_id = "da830-mmc.0",
 209         .table = {
 210                 /* gpio chip 1 contains gpio range 32-63 */
 211                 GPIO_LOOKUP("davinci_gpio", DA830_MMCSD_CD_PIN, "cd",
 212                             GPIO_ACTIVE_LOW),
 213                 GPIO_LOOKUP("davinci_gpio", DA830_MMCSD_WP_PIN, "wp",
 214                             GPIO_ACTIVE_LOW),
 215         },
 216 };
 217
 218 static struct davinci_mmc_config da830_evm_mmc_config = {
 219         .wires                  = 8,
 220         .max_freq               = 50000000,
 221         .caps                   = MMC_CAP_MMC_HIGHSPEED | MMC_CAP_SD_HIGHSPEED,
 222 };
 223
 224 static inline void da830_evm_init_mmc(void)
 225 {
 226         int ret;
 227
 228         ret = davinci_cfg_reg_list(da830_evm_mmc_sd_pins);
 229         if (ret) {
 230                 pr_warn("%s: mmc/sd mux setup failed: %d\n", __func__, ret);
 231                 return;
 232         }
 233
 234         gpiod_add_lookup_table(&mmc_gpios_table);
 235
 236         ret = da8xx_register_mmcsd0(&da830_evm_mmc_config);
 237         if (ret) {
 238                 pr_warn("%s: mmc/sd registration failed: %d\n", __func__, ret);
 239                 gpiod_remove_lookup_table(&mmc_gpios_table);
 240         }
 241 }
 242
 243 #define HAS_MMC         IS_ENABLED(CONFIG_MMC_DAVINCI)
 244
 245 #ifdef CONFIG_DA830_UI_NAND
 246 static struct mtd_partition da830_evm_nand_partitions[] = {
 247         /* bootloader (U-Boot, etc) in first sector */
 248         [0] = {
 249                 .name           = "bootloader",
 250                 .offset         = 0,
 251                 .size           = SZ_128K,
 252                 .mask_flags     = MTD_WRITEABLE,        /* force read-only */
 253         },
 254         /* bootloader params in the next sector */
 255         [1] = {
 256                 .name           = "params",
 257                 .offset         = MTDPART_OFS_APPEND,
 258                 .size           = SZ_128K,
 259                 .mask_flags     = MTD_WRITEABLE,        /* force read-only */
 260         },
 261         /* kernel */
 262         [2] = {
 263                 .name           = "kernel",
 264                 .offset         = MTDPART_OFS_APPEND,
 265                 .size           = SZ_2M,
 266                 .mask_flags     = 0,
 267         },
 268         /* file system */
 269         [3] = {
 270                 .name           = "filesystem",
 271                 .offset         = MTDPART_OFS_APPEND,
 272                 .size           = MTDPART_SIZ_FULL,
 273                 .mask_flags     = 0,
 274         }
 275 };
 276
 277 /* flash bbt decriptors */
 278 static uint8_t da830_evm_nand_bbt_pattern[] = { 'B', 'b', 't', '0' };
 279 static uint8_t da830_evm_nand_mirror_pattern[] = { '1', 't', 'b', 'B' };
 280
 281 static struct nand_bbt_descr da830_evm_nand_bbt_main_descr = {
 282         .options        = NAND_BBT_LASTBLOCK | NAND_BBT_CREATE |
 283                           NAND_BBT_WRITE | NAND_BBT_2BIT |
 284                           NAND_BBT_VERSION | NAND_BBT_PERCHIP,
 285         .offs           = 2,
 286         .len            = 4,
 287         .veroffs        = 16,
 288         .maxblocks      = 4,
 289         .pattern        = da830_evm_nand_bbt_pattern
 290 };
 291
 292 static struct nand_bbt_descr da830_evm_nand_bbt_mirror_descr = {
 293         .options        = NAND_BBT_LASTBLOCK | NAND_BBT_CREATE |
 294                           NAND_BBT_WRITE | NAND_BBT_2BIT |
 295                           NAND_BBT_VERSION | NAND_BBT_PERCHIP,
 296         .offs           = 2,
 297         .len            = 4,
 298         .veroffs        = 16,
 299         .maxblocks      = 4,
 300         .pattern        = da830_evm_nand_mirror_pattern
 301 };
 302
 303 static struct davinci_aemif_timing da830_evm_nandflash_timing = {
 304         .wsetup         = 24,
 305         .wstrobe        = 21,
 306         .whold          = 14,
 307         .rsetup         = 19,
 308         .rstrobe        = 50,
 309         .rhold          = 0,
 310         .ta             = 20,
 311 };
 312
 313 static struct davinci_nand_pdata da830_evm_nand_pdata = {
 314         .core_chipsel   = 1,
 315         .parts          = da830_evm_nand_partitions,
 316         .nr_parts       = ARRAY_SIZE(da830_evm_nand_partitions),
 317         .ecc_mode       = NAND_ECC_HW,
 318         .ecc_bits       = 4,
 319         .bbt_options    = NAND_BBT_USE_FLASH,
 320         .bbt_td         = &da830_evm_nand_bbt_main_descr,
 321         .bbt_md         = &da830_evm_nand_bbt_mirror_descr,
 322         .timing         = &da830_evm_nandflash_timing,
 323 };
 324
 325 static struct resource da830_evm_nand_resources[] = {
 326         [0] = {         /* First memory resource is NAND I/O window */
 327                 .start  = DA8XX_AEMIF_CS3_BASE,
 328                 .end    = DA8XX_AEMIF_CS3_BASE + PAGE_SIZE - 1,
 329                 .flags  = IORESOURCE_MEM,
 330         },
 331         [1] = {         /* Second memory resource is AEMIF control registers */
 332                 .start  = DA8XX_AEMIF_CTL_BASE,
 333                 .end    = DA8XX_AEMIF_CTL_BASE + SZ_32K - 1,
 334                 .flags  = IORESOURCE_MEM,
 335         },
 336 };
 337
 338 static struct platform_device da830_evm_aemif_devices[] = {
 339         {
 340                 .name           = "davinci_nand",
 341                 .id             = 1,
 342                 .dev            = {
 343                         .platform_data  = &da830_evm_nand_pdata,
 344                 },
 345                 .num_resources  = ARRAY_SIZE(da830_evm_nand_resources),
 346                 .resource       = da830_evm_nand_resources,
 347         },
 348 };
 349
 350 static struct resource da830_evm_aemif_resource[] = {
 351         {
 352                 .start  = DA8XX_AEMIF_CTL_BASE,
 353                 .end    = DA8XX_AEMIF_CTL_BASE + SZ_32K - 1,
 354                 .flags  = IORESOURCE_MEM,
 355         },
 356 };
 357
 358 static struct aemif_abus_data da830_evm_aemif_abus_data[] = {
 359         {
 360                 .cs     = 3,
 361         },
 362 };
 363
 364 static struct aemif_platform_data da830_evm_aemif_pdata = {
 365         .abus_data              = da830_evm_aemif_abus_data,
 366         .num_abus_data          = ARRAY_SIZE(da830_evm_aemif_abus_data),
 367         .sub_devices            = da830_evm_aemif_devices,
 368         .num_sub_devices        = ARRAY_SIZE(da830_evm_aemif_devices),
 369         .cs_offset              = 2,
 370 };
 371
 372 static struct platform_device da830_evm_aemif_device = {
 373         .name           = "ti-aemif",
 374         .id             = -1,
 375         .dev = {
 376                 .platform_data = &da830_evm_aemif_pdata,
 377         },
 378         .resource       = da830_evm_aemif_resource,
 379         .num_resources  = ARRAY_SIZE(da830_evm_aemif_resource),
 380 };
 381
 382 /*
 383  * UI board NAND/NOR flashes only use 8-bit data bus.
 384  */
 385 static const short da830_evm_emif25_pins[] = {
 386         DA830_EMA_D_0, DA830_EMA_D_1, DA830_EMA_D_2, DA830_EMA_D_3,
 387         DA830_EMA_D_4, DA830_EMA_D_5, DA830_EMA_D_6, DA830_EMA_D_7,
 388         DA830_EMA_A_0, DA830_EMA_A_1, DA830_EMA_A_2, DA830_EMA_A_3,
 389         DA830_EMA_A_4, DA830_EMA_A_5, DA830_EMA_A_6, DA830_EMA_A_7,
 390         DA830_EMA_A_8, DA830_EMA_A_9, DA830_EMA_A_10, DA830_EMA_A_11,
 391         DA830_EMA_A_12, DA830_EMA_BA_0, DA830_EMA_BA_1, DA830_NEMA_WE,
 392         DA830_NEMA_CS_2, DA830_NEMA_CS_3, DA830_NEMA_OE, DA830_EMA_WAIT_0,
 393         -1
 394 };
 395
 396 static inline void da830_evm_init_nand(int mux_mode)
 397 {
 398         int ret;
 399
 400         if (HAS_MMC) {
 401                 pr_warn("WARNING: both MMC/SD and NAND are enabled, but they share AEMIF pins\n"
 402                         "\tDisable MMC/SD for NAND support\n");
 403                 return;
 404         }
 405
 406         ret = davinci_cfg_reg_list(da830_evm_emif25_pins);
 407         if (ret)
 408                 pr_warn("%s: emif25 mux setup failed: %d\n", __func__, ret);
 409
 410         ret = platform_device_register(&da830_evm_aemif_device);
 411         if (ret)
 412                 pr_warn("%s: AEMIF device not registered\n", __func__);
 413
 414         gpio_direction_output(mux_mode, 1);
 415 }
 416 #else
 417 static inline void da830_evm_init_nand(int mux_mode) { }
 418 #endif
 419
 420 #ifdef CONFIG_DA830_UI_LCD
 421 static inline void da830_evm_init_lcdc(int mux_mode)
 422 {
 423         int ret;
 424
 425         ret = davinci_cfg_reg_list(da830_lcdcntl_pins);
 426         if (ret)
 427                 pr_warn("%s: lcdcntl mux setup failed: %d\n", __func__, ret);
 428
 429         ret = da8xx_register_lcdc(&sharp_lcd035q3dg01_pdata);
 430         if (ret)
 431                 pr_warn("%s: lcd setup failed: %d\n", __func__, ret);
 432
 433         gpio_direction_output(mux_mode, 0);
 434 }
 435 #else
 436 static inline void da830_evm_init_lcdc(int mux_mode) { }
 437 #endif
 438
 439 static struct nvmem_cell_info da830_evm_nvmem_cells[] = {
 440         {
 441                 .name           = "macaddr",
 442                 .offset         = 0x7f00,
 443                 .bytes          = ETH_ALEN,
 444         }
 445 };
 446
 447 static struct nvmem_cell_table da830_evm_nvmem_cell_table = {
 448         .nvmem_name     = "1-00500",
 449         .cells          = da830_evm_nvmem_cells,
 450         .ncells         = ARRAY_SIZE(da830_evm_nvmem_cells),
 451 };
 452
 453 static struct nvmem_cell_lookup da830_evm_nvmem_cell_lookup = {
 454         .nvmem_name     = "1-00500",
 455         .cell_name      = "macaddr",
 456         .dev_id         = "davinci_emac.1",
 457         .con_id         = "mac-address",
 458 };
 459
 460 static struct at24_platform_data da830_evm_i2c_eeprom_info = {
 461         .byte_len       = SZ_256K / 8,
 462         .page_size      = 64,
 463         .flags          = AT24_FLAG_ADDR16,
 464         .setup          = davinci_get_mac_addr,
 465         .context        = (void *)0x7f00,
 466 };
 467
 468 static int __init da830_evm_ui_expander_setup(struct i2c_client *client,
 469                 int gpio, unsigned ngpio, void *context)
 470 {
 471         gpio_request(gpio + 6, "UI MUX_MODE");
 472
 473         /* Drive mux mode low to match the default without UI card */
 474         gpio_direction_output(gpio + 6, 0);
 475
 476         da830_evm_init_lcdc(gpio + 6);
 477
 478         da830_evm_init_nand(gpio + 6);
 479
 480         return 0;
 481 }
 482
 483 static int da830_evm_ui_expander_teardown(struct i2c_client *client, int gpio,
 484                 unsigned ngpio, void *context)
 485 {
 486         gpio_free(gpio + 6);
 487         return 0;
 488 }
 489
 490 static struct pcf857x_platform_data __initdata da830_evm_ui_expander_info = {
 491         .gpio_base      = DAVINCI_N_GPIO,
 492         .setup          = da830_evm_ui_expander_setup,
 493         .teardown       = da830_evm_ui_expander_teardown,
 494 };
 495
 496 static struct i2c_board_info __initdata da830_evm_i2c_devices[] = {
 497         {
 498                 I2C_BOARD_INFO("24c256", 0x50),
 499                 .platform_data  = &da830_evm_i2c_eeprom_info,
 500         },
 501         {
 502                 I2C_BOARD_INFO("tlv320aic3x", 0x18),
 503         },
 504         {
 505                 I2C_BOARD_INFO("pcf8574", 0x3f),
 506                 .platform_data  = &da830_evm_ui_expander_info,
 507         },
 508 };
 509
 510 static struct davinci_i2c_platform_data da830_evm_i2c_0_pdata = {
 511         .bus_freq       = 100,  /* kHz */
 512         .bus_delay      = 0,    /* usec */
 513 };
 514
 515 /*
 516  * The following EDMA channels/slots are not being used by drivers (for
 517  * example: Timer, GPIO, UART events etc) on da830/omap-l137 EVM, hence
 518  * they are being reserved for codecs on the DSP side.
 519  */
 520 static const s16 da830_dma_rsv_chans[][2] = {
 521         /* (offset, number) */
 522         { 8,  2},
 523         {12,  2},
 524         {24,  4},
 525         {30,  2},
 526         {-1, -1}
 527 };
 528
 529 static const s16 da830_dma_rsv_slots[][2] = {
 530         /* (offset, number) */
 531         { 8,  2},
 532         {12,  2},
 533         {24,  4},
 534         {30, 26},
 535         {-1, -1}
 536 };
 537
 538 static struct edma_rsv_info da830_edma_rsv[] = {
 539         {
 540                 .rsv_chans      = da830_dma_rsv_chans,
 541                 .rsv_slots      = da830_dma_rsv_slots,
 542         },
 543 };
 544
 545 static struct mtd_partition da830evm_spiflash_part[] = {
 546         [0] = {
 547                 .name = "DSP-UBL",
 548                 .offset = 0,
 549                 .size = SZ_8K,
 550                 .mask_flags = MTD_WRITEABLE,
 551         },
 552         [1] = {
 553                 .name = "ARM-UBL",
 554                 .offset = MTDPART_OFS_APPEND,
 555                 .size = SZ_16K + SZ_8K,
 556                 .mask_flags = MTD_WRITEABLE,
 557         },
 558         [2] = {
 559                 .name = "U-Boot",
 560                 .offset = MTDPART_OFS_APPEND,
 561                 .size = SZ_256K - SZ_32K,
 562                 .mask_flags = MTD_WRITEABLE,
 563         },
 564         [3] = {
 565                 .name = "U-Boot-Environment",
 566                 .offset = MTDPART_OFS_APPEND,
 567                 .size = SZ_16K,
 568                 .mask_flags = 0,
 569         },
 570         [4] = {
 571                 .name = "Kernel",
 572                 .offset = MTDPART_OFS_APPEND,
 573                 .size = MTDPART_SIZ_FULL,
 574                 .mask_flags = 0,
 575         },
 576 };
 577
 578 static struct flash_platform_data da830evm_spiflash_data = {
 579         .name           = "m25p80",
 580         .parts          = da830evm_spiflash_part,
 581         .nr_parts       = ARRAY_SIZE(da830evm_spiflash_part),
 582         .type           = "w25x32",
 583 };
 584
 585 static struct davinci_spi_config da830evm_spiflash_cfg = {
 586         .io_type        = SPI_IO_TYPE_DMA,
 587         .c2tdelay       = 8,
 588         .t2cdelay       = 8,
 589 };
 590
 591 static struct spi_board_info da830evm_spi_info[] = {
 592         {
 593                 .modalias               = "m25p80",
 594                 .platform_data          = &da830evm_spiflash_data,
 595                 .controller_data        = &da830evm_spiflash_cfg,
 596                 .mode                   = SPI_MODE_0,
 597                 .max_speed_hz           = 30000000,
 598                 .bus_num                = 0,
 599                 .chip_select            = 0,
 600         },
 601 };
 602
 603 static __init void da830_evm_init(void)
 604 {
 605         struct davinci_soc_info *soc_info = &davinci_soc_info;
 606         int ret;
 607
 608         da830_register_clocks();
 609
 610         ret = da830_register_gpio();
 611         if (ret)
 612                 pr_warn("%s: GPIO init failed: %d\n", __func__, ret);
 613
 614         ret = da830_register_edma(da830_edma_rsv);
 615         if (ret)
 616                 pr_warn("%s: edma registration failed: %d\n", __func__, ret);
 617
 618         ret = davinci_cfg_reg_list(da830_i2c0_pins);
 619         if (ret)
 620                 pr_warn("%s: i2c0 mux setup failed: %d\n", __func__, ret);
 621
 622         ret = da8xx_register_i2c(0, &da830_evm_i2c_0_pdata);
 623         if (ret)
 624                 pr_warn("%s: i2c0 registration failed: %d\n", __func__, ret);
 625
 626         da830_evm_usb_init();
 627
 628         soc_info->emac_pdata->rmii_en = 1;
 629         soc_info->emac_pdata->phy_id = DA830_EVM_PHY_ID;
 630
 631         ret = davinci_cfg_reg_list(da830_cpgmac_pins);
 632         if (ret)
 633                 pr_warn("%s: cpgmac mux setup failed: %d\n", __func__, ret);
 634
 635         ret = da8xx_register_emac();
 636         if (ret)
 637                 pr_warn("%s: emac registration failed: %d\n", __func__, ret);
 638
 639         ret = da8xx_register_watchdog();
 640         if (ret)
 641                 pr_warn("%s: watchdog registration failed: %d\n",
 642                         __func__, ret);
 643
 644         davinci_serial_init(da8xx_serial_device);
 645
 646         nvmem_add_cell_table(&da830_evm_nvmem_cell_table);
 647         nvmem_add_cell_lookups(&da830_evm_nvmem_cell_lookup, 1);
 648
 649         i2c_register_board_info(1, da830_evm_i2c_devices,
 650                         ARRAY_SIZE(da830_evm_i2c_devices));
 651
 652         ret = davinci_cfg_reg_list(da830_evm_mcasp1_pins);
 653         if (ret)
 654                 pr_warn("%s: mcasp1 mux setup failed: %d\n", __func__, ret);
 655
 656         da8xx_register_mcasp(1, &da830_evm_snd_data);
 657
 658         da830_evm_init_mmc();
 659
 660         ret = da8xx_register_rtc();
 661         if (ret)
 662                 pr_warn("%s: rtc setup failed: %d\n", __func__, ret);
 663
 664         ret = spi_register_board_info(da830evm_spi_info,
 665                                       ARRAY_SIZE(da830evm_spi_info));
 666         if (ret)
 667                 pr_warn("%s: spi info registration failed: %d\n",
 668                         __func__, ret);
 669
 670         ret = da8xx_register_spi_bus(0, ARRAY_SIZE(da830evm_spi_info));
 671         if (ret)
 672                 pr_warn("%s: spi 0 registration failed: %d\n", __func__, ret);
 673
 674         regulator_has_full_constraints();
 675 }
 676
 677 #ifdef CONFIG_SERIAL_8250_CONSOLE
 678 static int __init da830_evm_console_init(void)
 679 {
 680         if (!machine_is_davinci_da830_evm())
 681                 return 0;
 682
 683         return add_preferred_console("ttyS", 2, "115200");
 684 }
 685 console_initcall(da830_evm_console_init);
 686 #endif
 687
 688 static void __init da830_evm_map_io(void)
 689 {
 690         da830_init();
 691 }
 692
 693 MACHINE_START(DAVINCI_DA830_EVM, "DaVinci DA830/OMAP-L137/AM17x EVM")
 694         .atag_offset    = 0x100,
 695         .map_io         = da830_evm_map_io,
 696         .init_irq       = cp_intc_init,
 697         .init_time      = da830_init_time,
 698         .init_machine   = da830_evm_init,
 699         .init_late      = davinci_init_late,
 700         .dma_zone_size  = SZ_128M,
 701 MACHINE_END