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