kernel/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/platform_device.h>
  18 #include <linux/i2c.h>
  19 #include <linux/i2c/pcf857x.h>
  20 #include <linux/platform_data/at24.h>
  21 #include <linux/mtd/mtd.h>
  22 #include <linux/mtd/partitions.h>
  23 #include <linux/spi/spi.h>
  24 #include <linux/spi/flash.h>
  25 #include <linux/platform_data/gpio-davinci.h>
  26 #include <linux/platform_data/mtd-davinci.h>
  27 #include <linux/platform_data/mtd-davinci-aemif.h>
  28 #include <linux/platform_data/spi-davinci.h>
  29 #include <linux/platform_data/usb-davinci.h>
  30
  31 #include <asm/mach-types.h>
  32 #include <asm/mach/arch.h>
  33
  34 #include <mach/common.h>
  35 #include <mach/cp_intc.h>
  36 #include <mach/mux.h>
  37 #include <mach/da8xx.h>
  38
  39 #define DA830_EVM_PHY_ID                ""
  40 /*
  41  * USB1 VBUS is controlled by GPIO1[15], over-current is reported on GPIO2[4].
  42  */
  43 #define ON_BD_USB_DRV   GPIO_TO_PIN(1, 15)
  44 #define ON_BD_USB_OVC   GPIO_TO_PIN(2, 4)
  45
  46 static const short da830_evm_usb11_pins[] = {
  47         DA830_GPIO1_15, DA830_GPIO2_4,
  48         -1
  49 };
  50
  51 static da8xx_ocic_handler_t da830_evm_usb_ocic_handler;
  52
  53 static int da830_evm_usb_set_power(unsigned port, int on)
  54 {
  55         gpio_set_value(ON_BD_USB_DRV, on);
  56         return 0;
  57 }
  58
  59 static int da830_evm_usb_get_power(unsigned port)
  60 {
  61         return gpio_get_value(ON_BD_USB_DRV);
  62 }
  63
  64 static int da830_evm_usb_get_oci(unsigned port)
  65 {
  66         return !gpio_get_value(ON_BD_USB_OVC);
  67 }
  68
  69 static irqreturn_t da830_evm_usb_ocic_irq(int, void *);
  70
  71 static int da830_evm_usb_ocic_notify(da8xx_ocic_handler_t handler)
  72 {
  73         int irq         = gpio_to_irq(ON_BD_USB_OVC);
  74         int error       = 0;
  75
  76         if (handler != NULL) {
  77                 da830_evm_usb_ocic_handler = handler;
  78
  79                 error = request_irq(irq, da830_evm_usb_ocic_irq,
  80                                     IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING,
  81                                     "OHCI over-current indicator", NULL);
  82                 if (error)
  83                         pr_err("%s: could not request IRQ to watch over-current indicator changes\n",
  84                                __func__);
  85         } else
  86                 free_irq(irq, NULL);
  87
  88         return error;
  89 }
  90
  91 static struct da8xx_ohci_root_hub da830_evm_usb11_pdata = {
  92         .set_power      = da830_evm_usb_set_power,
  93         .get_power      = da830_evm_usb_get_power,
  94         .get_oci        = da830_evm_usb_get_oci,
  95         .ocic_notify    = da830_evm_usb_ocic_notify,
  96
  97         /* TPS2065 switch @ 5V */
  98         .potpgt         = (3 + 1) / 2,  /* 3 ms max */
  99 };
 100
 101 static irqreturn_t da830_evm_usb_ocic_irq(int irq, void *dev_id)
 102 {
 103         da830_evm_usb_ocic_handler(&da830_evm_usb11_pdata, 1);
 104         return IRQ_HANDLED;
 105 }
 106
 107 static __init void da830_evm_usb_init(void)
 108 {
 109         u32 cfgchip2;
 110         int ret;
 111
 112         /*
 113          * Set up USB clock/mode in the CFGCHIP2 register.
 114          * FYI:  CFGCHIP2 is 0x0000ef00 initially.
 115          */
 116         cfgchip2 = __raw_readl(DA8XX_SYSCFG0_VIRT(DA8XX_CFGCHIP2_REG));
 117
 118         /* USB2.0 PHY reference clock is 24 MHz */
 119         cfgchip2 &= ~CFGCHIP2_REFFREQ;
 120         cfgchip2 |=  CFGCHIP2_REFFREQ_24MHZ;
 121
 122         /*
 123          * Select internal reference clock for USB 2.0 PHY
 124          * and use it as a clock source for USB 1.1 PHY
 125          * (this is the default setting anyway).
 126          */
 127         cfgchip2 &= ~CFGCHIP2_USB1PHYCLKMUX;
 128         cfgchip2 |=  CFGCHIP2_USB2PHYCLKMUX;
 129
 130         /*
 131          * We have to override VBUS/ID signals when MUSB is configured into the
 132          * host-only mode -- ID pin will float if no cable is connected, so the
 133          * controller won't be able to drive VBUS thinking that it's a B-device.
 134          * Otherwise, we want to use the OTG mode and enable VBUS comparators.
 135          */
 136         cfgchip2 &= ~CFGCHIP2_OTGMODE;
 137 #ifdef  CONFIG_USB_MUSB_HOST
 138         cfgchip2 |=  CFGCHIP2_FORCE_HOST;
 139 #else
 140         cfgchip2 |=  CFGCHIP2_SESENDEN | CFGCHIP2_VBDTCTEN;
 141 #endif
 142
 143         __raw_writel(cfgchip2, DA8XX_SYSCFG0_VIRT(DA8XX_CFGCHIP2_REG));
 144
 145         /* USB_REFCLKIN is not used. */
 146         ret = davinci_cfg_reg(DA830_USB0_DRVVBUS);
 147         if (ret)
 148                 pr_warn("%s: USB 2.0 PinMux setup failed: %d\n", __func__, ret);
 149         else {
 150                 /*
 151                  * TPS2065 switch @ 5V supplies 1 A (sustains 1.5 A),
 152                  * with the power on to power good time of 3 ms.
 153                  */
 154                 ret = da8xx_register_usb20(1000, 3);
 155                 if (ret)
 156                         pr_warn("%s: USB 2.0 registration failed: %d\n",
 157                                 __func__, ret);
 158         }
 159
 160         ret = davinci_cfg_reg_list(da830_evm_usb11_pins);
 161         if (ret) {
 162                 pr_warn("%s: USB 1.1 PinMux setup failed: %d\n", __func__, ret);
 163                 return;
 164         }
 165
 166         ret = gpio_request(ON_BD_USB_DRV, "ON_BD_USB_DRV");
 167         if (ret) {
 168                 pr_err("%s: failed to request GPIO for USB 1.1 port power control: %d\n",
 169                        __func__, ret);
 170                 return;
 171         }
 172         gpio_direction_output(ON_BD_USB_DRV, 0);
 173
 174         ret = gpio_request(ON_BD_USB_OVC, "ON_BD_USB_OVC");
 175         if (ret) {
 176                 pr_err("%s: failed to request GPIO for USB 1.1 port over-current indicator: %d\n",
 177                        __func__, ret);
 178                 return;
 179         }
 180         gpio_direction_input(ON_BD_USB_OVC);
 181
 182         ret = da8xx_register_usb11(&da830_evm_usb11_pdata);
 183         if (ret)
 184                 pr_warn("%s: USB 1.1 registration failed: %d\n", __func__, ret);
 185 }
 186
 187 static const short da830_evm_mcasp1_pins[] = {
 188         DA830_AHCLKX1, DA830_ACLKX1, DA830_AFSX1, DA830_AHCLKR1, DA830_AFSR1,
 189         DA830_AMUTE1, DA830_AXR1_0, DA830_AXR1_1, DA830_AXR1_2, DA830_AXR1_5,
 190         DA830_ACLKR1, DA830_AXR1_6, DA830_AXR1_7, DA830_AXR1_8, DA830_AXR1_10,
 191         DA830_AXR1_11,
 192         -1
 193 };
 194
 195 static u8 da830_iis_serializer_direction[] = {
 196         RX_MODE,        INACTIVE_MODE,  INACTIVE_MODE,  INACTIVE_MODE,
 197         INACTIVE_MODE,  TX_MODE,        INACTIVE_MODE,  INACTIVE_MODE,
 198         INACTIVE_MODE,  INACTIVE_MODE,  INACTIVE_MODE,  INACTIVE_MODE,
 199 };
 200
 201 static struct snd_platform_data da830_evm_snd_data = {
 202         .tx_dma_offset  = 0x2000,
 203         .rx_dma_offset  = 0x2000,
 204         .op_mode        = DAVINCI_MCASP_IIS_MODE,
 205         .num_serializer = ARRAY_SIZE(da830_iis_serializer_direction),
 206         .tdm_slots      = 2,
 207         .serial_dir     = da830_iis_serializer_direction,
 208         .asp_chan_q     = EVENTQ_0,
 209         .version        = MCASP_VERSION_2,
 210         .txnumevt       = 1,
 211         .rxnumevt       = 1,
 212 };
 213
 214 /*
 215  * GPIO2[1] is used as MMC_SD_WP and GPIO2[2] as MMC_SD_INS.
 216  */
 217 static const short da830_evm_mmc_sd_pins[] = {
 218         DA830_MMCSD_DAT_0, DA830_MMCSD_DAT_1, DA830_MMCSD_DAT_2,
 219         DA830_MMCSD_DAT_3, DA830_MMCSD_DAT_4, DA830_MMCSD_DAT_5,
 220         DA830_MMCSD_DAT_6, DA830_MMCSD_DAT_7, DA830_MMCSD_CLK,
 221         DA830_MMCSD_CMD,   DA830_GPIO2_1,     DA830_GPIO2_2,
 222         -1
 223 };
 224
 225 #define DA830_MMCSD_WP_PIN              GPIO_TO_PIN(2, 1)
 226 #define DA830_MMCSD_CD_PIN              GPIO_TO_PIN(2, 2)
 227
 228 static int da830_evm_mmc_get_ro(int index)
 229 {
 230         return gpio_get_value(DA830_MMCSD_WP_PIN);
 231 }
 232
 233 static int da830_evm_mmc_get_cd(int index)
 234 {
 235         return !gpio_get_value(DA830_MMCSD_CD_PIN);
 236 }
 237
 238 static struct davinci_mmc_config da830_evm_mmc_config = {
 239         .get_ro                 = da830_evm_mmc_get_ro,
 240         .get_cd                 = da830_evm_mmc_get_cd,
 241         .wires                  = 8,
 242         .max_freq               = 50000000,
 243         .caps                   = MMC_CAP_MMC_HIGHSPEED | MMC_CAP_SD_HIGHSPEED,
 244 };
 245
 246 static inline void da830_evm_init_mmc(void)
 247 {
 248         int ret;
 249
 250         ret = davinci_cfg_reg_list(da830_evm_mmc_sd_pins);
 251         if (ret) {
 252                 pr_warn("%s: mmc/sd mux setup failed: %d\n", __func__, ret);
 253                 return;
 254         }
 255
 256         ret = gpio_request(DA830_MMCSD_WP_PIN, "MMC WP");
 257         if (ret) {
 258                 pr_warn("%s: can not open GPIO %d\n",
 259                         __func__, DA830_MMCSD_WP_PIN);
 260                 return;
 261         }
 262         gpio_direction_input(DA830_MMCSD_WP_PIN);
 263
 264         ret = gpio_request(DA830_MMCSD_CD_PIN, "MMC CD\n");
 265         if (ret) {
 266                 pr_warn("%s: can not open GPIO %d\n",
 267                         __func__, DA830_MMCSD_CD_PIN);
 268                 return;
 269         }
 270         gpio_direction_input(DA830_MMCSD_CD_PIN);
 271
 272         ret = da8xx_register_mmcsd0(&da830_evm_mmc_config);
 273         if (ret) {
 274                 pr_warn("%s: mmc/sd registration failed: %d\n", __func__, ret);
 275                 gpio_free(DA830_MMCSD_WP_PIN);
 276         }
 277 }
 278
 279 /*
 280  * UI board NAND/NOR flashes only use 8-bit data bus.
 281  */
 282 static const short da830_evm_emif25_pins[] = {
 283         DA830_EMA_D_0, DA830_EMA_D_1, DA830_EMA_D_2, DA830_EMA_D_3,
 284         DA830_EMA_D_4, DA830_EMA_D_5, DA830_EMA_D_6, DA830_EMA_D_7,
 285         DA830_EMA_A_0, DA830_EMA_A_1, DA830_EMA_A_2, DA830_EMA_A_3,
 286         DA830_EMA_A_4, DA830_EMA_A_5, DA830_EMA_A_6, DA830_EMA_A_7,
 287         DA830_EMA_A_8, DA830_EMA_A_9, DA830_EMA_A_10, DA830_EMA_A_11,
 288         DA830_EMA_A_12, DA830_EMA_BA_0, DA830_EMA_BA_1, DA830_NEMA_WE,
 289         DA830_NEMA_CS_2, DA830_NEMA_CS_3, DA830_NEMA_OE, DA830_EMA_WAIT_0,
 290         -1
 291 };
 292
 293 #define HAS_MMC         IS_ENABLED(CONFIG_MMC_DAVINCI)
 294
 295 #ifdef CONFIG_DA830_UI_NAND
 296 static struct mtd_partition da830_evm_nand_partitions[] = {
 297         /* bootloader (U-Boot, etc) in first sector */
 298         [0] = {
 299                 .name           = "bootloader",
 300                 .offset         = 0,
 301                 .size           = SZ_128K,
 302                 .mask_flags     = MTD_WRITEABLE,        /* force read-only */
 303         },
 304         /* bootloader params in the next sector */
 305         [1] = {
 306                 .name           = "params",
 307                 .offset         = MTDPART_OFS_APPEND,
 308                 .size           = SZ_128K,
 309                 .mask_flags     = MTD_WRITEABLE,        /* force read-only */
 310         },
 311         /* kernel */
 312         [2] = {
 313                 .name           = "kernel",
 314                 .offset         = MTDPART_OFS_APPEND,
 315                 .size           = SZ_2M,
 316                 .mask_flags     = 0,
 317         },
 318         /* file system */
 319         [3] = {
 320                 .name           = "filesystem",
 321                 .offset         = MTDPART_OFS_APPEND,
 322                 .size           = MTDPART_SIZ_FULL,
 323                 .mask_flags     = 0,
 324         }
 325 };
 326
 327 /* flash bbt decriptors */
 328 static uint8_t da830_evm_nand_bbt_pattern[] = { 'B', 'b', 't', '0' };
 329 static uint8_t da830_evm_nand_mirror_pattern[] = { '1', 't', 'b', 'B' };
 330
 331 static struct nand_bbt_descr da830_evm_nand_bbt_main_descr = {
 332         .options        = NAND_BBT_LASTBLOCK | NAND_BBT_CREATE |
 333                           NAND_BBT_WRITE | NAND_BBT_2BIT |
 334                           NAND_BBT_VERSION | NAND_BBT_PERCHIP,
 335         .offs           = 2,
 336         .len            = 4,
 337         .veroffs        = 16,
 338         .maxblocks      = 4,
 339         .pattern        = da830_evm_nand_bbt_pattern
 340 };
 341
 342 static struct nand_bbt_descr da830_evm_nand_bbt_mirror_descr = {
 343         .options        = NAND_BBT_LASTBLOCK | NAND_BBT_CREATE |
 344                           NAND_BBT_WRITE | NAND_BBT_2BIT |
 345                           NAND_BBT_VERSION | NAND_BBT_PERCHIP,
 346         .offs           = 2,
 347         .len            = 4,
 348         .veroffs        = 16,
 349         .maxblocks      = 4,
 350         .pattern        = da830_evm_nand_mirror_pattern
 351 };
 352
 353 static struct davinci_aemif_timing da830_evm_nandflash_timing = {
 354         .wsetup         = 24,
 355         .wstrobe        = 21,
 356         .whold          = 14,
 357         .rsetup         = 19,
 358         .rstrobe        = 50,
 359         .rhold          = 0,
 360         .ta             = 20,
 361 };
 362
 363 static struct davinci_nand_pdata da830_evm_nand_pdata = {
 364         .parts          = da830_evm_nand_partitions,
 365         .nr_parts       = ARRAY_SIZE(da830_evm_nand_partitions),
 366         .ecc_mode       = NAND_ECC_HW,
 367         .ecc_bits       = 4,
 368         .bbt_options    = NAND_BBT_USE_FLASH,
 369         .bbt_td         = &da830_evm_nand_bbt_main_descr,
 370         .bbt_md         = &da830_evm_nand_bbt_mirror_descr,
 371         .timing         = &da830_evm_nandflash_timing,
 372 };
 373
 374 static struct resource da830_evm_nand_resources[] = {
 375         [0] = {         /* First memory resource is NAND I/O window */
 376                 .start  = DA8XX_AEMIF_CS3_BASE,
 377                 .end    = DA8XX_AEMIF_CS3_BASE + PAGE_SIZE - 1,
 378                 .flags  = IORESOURCE_MEM,
 379         },
 380         [1] = {         /* Second memory resource is AEMIF control registers */
 381                 .start  = DA8XX_AEMIF_CTL_BASE,
 382                 .end    = DA8XX_AEMIF_CTL_BASE + SZ_32K - 1,
 383                 .flags  = IORESOURCE_MEM,
 384         },
 385 };
 386
 387 static struct platform_device da830_evm_nand_device = {
 388         .name           = "davinci_nand",
 389         .id             = 1,
 390         .dev            = {
 391                 .platform_data  = &da830_evm_nand_pdata,
 392         },
 393         .num_resources  = ARRAY_SIZE(da830_evm_nand_resources),
 394         .resource       = da830_evm_nand_resources,
 395 };
 396
 397 static inline void da830_evm_init_nand(int mux_mode)
 398 {
 399         int ret;
 400
 401         if (HAS_MMC) {
 402                 pr_warn("WARNING: both MMC/SD and NAND are enabled, but they share AEMIF pins\n"
 403                         "\tDisable MMC/SD for NAND support\n");
 404                 return;
 405         }
 406
 407         ret = davinci_cfg_reg_list(da830_evm_emif25_pins);
 408         if (ret)
 409                 pr_warn("%s: emif25 mux setup failed: %d\n", __func__, ret);
 410
 411         ret = platform_device_register(&da830_evm_nand_device);
 412         if (ret)
 413                 pr_warn("%s: NAND device not registered\n", __func__);
 414
 415         if (davinci_aemif_setup(&da830_evm_nand_device))
 416                 pr_warn("%s: Cannot configure AEMIF\n", __func__);
 417
 418         gpio_direction_output(mux_mode, 1);
 419 }
 420 #else
 421 static inline void da830_evm_init_nand(int mux_mode) { }
 422 #endif
 423
 424 #ifdef CONFIG_DA830_UI_LCD
 425 static inline void da830_evm_init_lcdc(int mux_mode)
 426 {
 427         int ret;
 428
 429         ret = davinci_cfg_reg_list(da830_lcdcntl_pins);
 430         if (ret)
 431                 pr_warn("%s: lcdcntl mux setup failed: %d\n", __func__, ret);
 432
 433         ret = da8xx_register_lcdc(&sharp_lcd035q3dg01_pdata);
 434         if (ret)
 435                 pr_warn("%s: lcd setup failed: %d\n", __func__, ret);
 436
 437         gpio_direction_output(mux_mode, 0);
 438 }
 439 #else
 440 static inline void da830_evm_init_lcdc(int mux_mode) { }
 441 #endif
 442
 443 static struct at24_platform_data da830_evm_i2c_eeprom_info = {
 444         .byte_len       = SZ_256K / 8,
 445         .page_size      = 64,
 446         .flags          = AT24_FLAG_ADDR16,
 447         .setup          = davinci_get_mac_addr,
 448         .context        = (void *)0x7f00,
 449 };
 450
 451 static int __init da830_evm_ui_expander_setup(struct i2c_client *client,
 452                 int gpio, unsigned ngpio, void *context)
 453 {
 454         gpio_request(gpio + 6, "UI MUX_MODE");
 455
 456         /* Drive mux mode low to match the default without UI card */
 457         gpio_direction_output(gpio + 6, 0);
 458
 459         da830_evm_init_lcdc(gpio + 6);
 460
 461         da830_evm_init_nand(gpio + 6);
 462
 463         return 0;
 464 }
 465
 466 static int da830_evm_ui_expander_teardown(struct i2c_client *client, int gpio,
 467                 unsigned ngpio, void *context)
 468 {
 469         gpio_free(gpio + 6);
 470         return 0;
 471 }
 472
 473 static struct pcf857x_platform_data __initdata da830_evm_ui_expander_info = {
 474         .gpio_base      = DAVINCI_N_GPIO,
 475         .setup          = da830_evm_ui_expander_setup,
 476         .teardown       = da830_evm_ui_expander_teardown,
 477 };
 478
 479 static struct i2c_board_info __initdata da830_evm_i2c_devices[] = {
 480         {
 481                 I2C_BOARD_INFO("24c256", 0x50),
 482                 .platform_data  = &da830_evm_i2c_eeprom_info,
 483         },
 484         {
 485                 I2C_BOARD_INFO("tlv320aic3x", 0x18),
 486         },
 487         {
 488                 I2C_BOARD_INFO("pcf8574", 0x3f),
 489                 .platform_data  = &da830_evm_ui_expander_info,
 490         },
 491 };
 492
 493 static struct davinci_i2c_platform_data da830_evm_i2c_0_pdata = {
 494         .bus_freq       = 100,  /* kHz */
 495         .bus_delay      = 0,    /* usec */
 496 };
 497
 498 /*
 499  * The following EDMA channels/slots are not being used by drivers (for
 500  * example: Timer, GPIO, UART events etc) on da830/omap-l137 EVM, hence
 501  * they are being reserved for codecs on the DSP side.
 502  */
 503 static const s16 da830_dma_rsv_chans[][2] = {
 504         /* (offset, number) */
 505         { 8,  2},
 506         {12,  2},
 507         {24,  4},
 508         {30,  2},
 509         {-1, -1}
 510 };
 511
 512 static const s16 da830_dma_rsv_slots[][2] = {
 513         /* (offset, number) */
 514         { 8,  2},
 515         {12,  2},
 516         {24,  4},
 517         {30, 26},
 518         {-1, -1}
 519 };
 520
 521 static struct edma_rsv_info da830_edma_rsv[] = {
 522         {
 523                 .rsv_chans      = da830_dma_rsv_chans,
 524                 .rsv_slots      = da830_dma_rsv_slots,
 525         },
 526 };
 527
 528 static struct mtd_partition da830evm_spiflash_part[] = {
 529         [0] = {
 530                 .name = "DSP-UBL",
 531                 .offset = 0,
 532                 .size = SZ_8K,
 533                 .mask_flags = MTD_WRITEABLE,
 534         },
 535         [1] = {
 536                 .name = "ARM-UBL",
 537                 .offset = MTDPART_OFS_APPEND,
 538                 .size = SZ_16K + SZ_8K,
 539                 .mask_flags = MTD_WRITEABLE,
 540         },
 541         [2] = {
 542                 .name = "U-Boot",
 543                 .offset = MTDPART_OFS_APPEND,
 544                 .size = SZ_256K - SZ_32K,
 545                 .mask_flags = MTD_WRITEABLE,
 546         },
 547         [3] = {
 548                 .name = "U-Boot-Environment",
 549                 .offset = MTDPART_OFS_APPEND,
 550                 .size = SZ_16K,
 551                 .mask_flags = 0,
 552         },
 553         [4] = {
 554                 .name = "Kernel",
 555                 .offset = MTDPART_OFS_APPEND,
 556                 .size = MTDPART_SIZ_FULL,
 557                 .mask_flags = 0,
 558         },
 559 };
 560
 561 static struct flash_platform_data da830evm_spiflash_data = {
 562         .name           = "m25p80",
 563         .parts          = da830evm_spiflash_part,
 564         .nr_parts       = ARRAY_SIZE(da830evm_spiflash_part),
 565         .type           = "w25x32",
 566 };
 567
 568 static struct davinci_spi_config da830evm_spiflash_cfg = {
 569         .io_type        = SPI_IO_TYPE_DMA,
 570         .c2tdelay       = 8,
 571         .t2cdelay       = 8,
 572 };
 573
 574 static struct spi_board_info da830evm_spi_info[] = {
 575         {
 576                 .modalias               = "m25p80",
 577                 .platform_data          = &da830evm_spiflash_data,
 578                 .controller_data        = &da830evm_spiflash_cfg,
 579                 .mode                   = SPI_MODE_0,
 580                 .max_speed_hz           = 30000000,
 581                 .bus_num                = 0,
 582                 .chip_select            = 0,
 583         },
 584 };
 585
 586 static __init void da830_evm_init(void)
 587 {
 588         struct davinci_soc_info *soc_info = &davinci_soc_info;
 589         int ret;
 590
 591         ret = da830_register_gpio();
 592         if (ret)
 593                 pr_warn("%s: GPIO init failed: %d\n", __func__, ret);
 594
 595         ret = da830_register_edma(da830_edma_rsv);
 596         if (ret)
 597                 pr_warn("%s: edma registration failed: %d\n", __func__, ret);
 598
 599         ret = davinci_cfg_reg_list(da830_i2c0_pins);
 600         if (ret)
 601                 pr_warn("%s: i2c0 mux setup failed: %d\n", __func__, ret);
 602
 603         ret = da8xx_register_i2c(0, &da830_evm_i2c_0_pdata);
 604         if (ret)
 605                 pr_warn("%s: i2c0 registration failed: %d\n", __func__, ret);
 606
 607         da830_evm_usb_init();
 608
 609         soc_info->emac_pdata->rmii_en = 1;
 610         soc_info->emac_pdata->phy_id = DA830_EVM_PHY_ID;
 611
 612         ret = davinci_cfg_reg_list(da830_cpgmac_pins);
 613         if (ret)
 614                 pr_warn("%s: cpgmac mux setup failed: %d\n", __func__, ret);
 615
 616         ret = da8xx_register_emac();
 617         if (ret)
 618                 pr_warn("%s: emac registration failed: %d\n", __func__, ret);
 619
 620         ret = da8xx_register_watchdog();
 621         if (ret)
 622                 pr_warn("%s: watchdog registration failed: %d\n",
 623                         __func__, ret);
 624
 625         davinci_serial_init(da8xx_serial_device);
 626         i2c_register_board_info(1, da830_evm_i2c_devices,
 627                         ARRAY_SIZE(da830_evm_i2c_devices));
 628
 629         ret = davinci_cfg_reg_list(da830_evm_mcasp1_pins);
 630         if (ret)
 631                 pr_warn("%s: mcasp1 mux setup failed: %d\n", __func__, ret);
 632
 633         da8xx_register_mcasp(1, &da830_evm_snd_data);
 634
 635         da830_evm_init_mmc();
 636
 637         ret = da8xx_register_rtc();
 638         if (ret)
 639                 pr_warn("%s: rtc setup failed: %d\n", __func__, ret);
 640
 641         ret = spi_register_board_info(da830evm_spi_info,
 642                                       ARRAY_SIZE(da830evm_spi_info));
 643         if (ret)
 644                 pr_warn("%s: spi info registration failed: %d\n",
 645                         __func__, ret);
 646
 647         ret = da8xx_register_spi_bus(0, ARRAY_SIZE(da830evm_spi_info));
 648         if (ret)
 649                 pr_warn("%s: spi 0 registration failed: %d\n", __func__, ret);
 650 }
 651
 652 #ifdef CONFIG_SERIAL_8250_CONSOLE
 653 static int __init da830_evm_console_init(void)
 654 {
 655         if (!machine_is_davinci_da830_evm())
 656                 return 0;
 657
 658         return add_preferred_console("ttyS", 2, "115200");
 659 }
 660 console_initcall(da830_evm_console_init);
 661 #endif
 662
 663 static void __init da830_evm_map_io(void)
 664 {
 665         da830_init();
 666 }
 667
 668 MACHINE_START(DAVINCI_DA830_EVM, "DaVinci DA830/OMAP-L137/AM17x EVM")
 669         .atag_offset    = 0x100,
 670         .map_io         = da830_evm_map_io,
 671         .init_irq       = cp_intc_init,
 672         .init_time      = davinci_timer_init,
 673         .init_machine   = da830_evm_init,
 674         .init_late      = davinci_init_late,
 675         .dma_zone_size  = SZ_128M,
 676         .restart        = da8xx_restart,
 677 MACHINE_END