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 <mach/nand.h>
  32 #include <mach/da8xx.h>
  33 #include <mach/usb.h>
  34 #include <mach/aemif.h>
  35 #include <mach/spi.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 struct davinci_uart_config da830_evm_uart_config __initdata = {
 189         .enabled_uarts = 0x7,
 190 };
 191
 192 static const short da830_evm_mcasp1_pins[] = {
 193         DA830_AHCLKX1, DA830_ACLKX1, DA830_AFSX1, DA830_AHCLKR1, DA830_AFSR1,
 194         DA830_AMUTE1, DA830_AXR1_0, DA830_AXR1_1, DA830_AXR1_2, DA830_AXR1_5,
 195         DA830_ACLKR1, DA830_AXR1_6, DA830_AXR1_7, DA830_AXR1_8, DA830_AXR1_10,
 196         DA830_AXR1_11,
 197         -1
 198 };
 199
 200 static u8 da830_iis_serializer_direction[] = {
 201         RX_MODE,        INACTIVE_MODE,  INACTIVE_MODE,  INACTIVE_MODE,
 202         INACTIVE_MODE,  TX_MODE,        INACTIVE_MODE,  INACTIVE_MODE,
 203         INACTIVE_MODE,  INACTIVE_MODE,  INACTIVE_MODE,  INACTIVE_MODE,
 204 };
 205
 206 static struct snd_platform_data da830_evm_snd_data = {
 207         .tx_dma_offset  = 0x2000,
 208         .rx_dma_offset  = 0x2000,
 209         .op_mode        = DAVINCI_MCASP_IIS_MODE,
 210         .num_serializer = ARRAY_SIZE(da830_iis_serializer_direction),
 211         .tdm_slots      = 2,
 212         .serial_dir     = da830_iis_serializer_direction,
 213         .asp_chan_q     = EVENTQ_0,
 214         .version        = MCASP_VERSION_2,
 215         .txnumevt       = 1,
 216         .rxnumevt       = 1,
 217 };
 218
 219 /*
 220  * GPIO2[1] is used as MMC_SD_WP and GPIO2[2] as MMC_SD_INS.
 221  */
 222 static const short da830_evm_mmc_sd_pins[] = {
 223         DA830_MMCSD_DAT_0, DA830_MMCSD_DAT_1, DA830_MMCSD_DAT_2,
 224         DA830_MMCSD_DAT_3, DA830_MMCSD_DAT_4, DA830_MMCSD_DAT_5,
 225         DA830_MMCSD_DAT_6, DA830_MMCSD_DAT_7, DA830_MMCSD_CLK,
 226         DA830_MMCSD_CMD,   DA830_GPIO2_1,     DA830_GPIO2_2,
 227         -1
 228 };
 229
 230 #define DA830_MMCSD_WP_PIN              GPIO_TO_PIN(2, 1)
 231 #define DA830_MMCSD_CD_PIN              GPIO_TO_PIN(2, 2)
 232
 233 static int da830_evm_mmc_get_ro(int index)
 234 {
 235         return gpio_get_value(DA830_MMCSD_WP_PIN);
 236 }
 237
 238 static int da830_evm_mmc_get_cd(int index)
 239 {
 240         return !gpio_get_value(DA830_MMCSD_CD_PIN);
 241 }
 242
 243 static struct davinci_mmc_config da830_evm_mmc_config = {
 244         .get_ro                 = da830_evm_mmc_get_ro,
 245         .get_cd                 = da830_evm_mmc_get_cd,
 246         .wires                  = 8,
 247         .max_freq               = 50000000,
 248         .caps                   = MMC_CAP_MMC_HIGHSPEED | MMC_CAP_SD_HIGHSPEED,
 249         .version                = MMC_CTLR_VERSION_2,
 250 };
 251
 252 static inline void da830_evm_init_mmc(void)
 253 {
 254         int ret;
 255
 256         ret = davinci_cfg_reg_list(da830_evm_mmc_sd_pins);
 257         if (ret) {
 258                 pr_warning("da830_evm_init: mmc/sd mux setup failed: %d\n",
 259                                 ret);
 260                 return;
 261         }
 262
 263         ret = gpio_request(DA830_MMCSD_WP_PIN, "MMC WP");
 264         if (ret) {
 265                 pr_warning("da830_evm_init: can not open GPIO %d\n",
 266                            DA830_MMCSD_WP_PIN);
 267                 return;
 268         }
 269         gpio_direction_input(DA830_MMCSD_WP_PIN);
 270
 271         ret = gpio_request(DA830_MMCSD_CD_PIN, "MMC CD\n");
 272         if (ret) {
 273                 pr_warning("da830_evm_init: can not open GPIO %d\n",
 274                            DA830_MMCSD_CD_PIN);
 275                 return;
 276         }
 277         gpio_direction_input(DA830_MMCSD_CD_PIN);
 278
 279         ret = da8xx_register_mmcsd0(&da830_evm_mmc_config);
 280         if (ret) {
 281                 pr_warning("da830_evm_init: mmc/sd registration failed: %d\n",
 282                                 ret);
 283                 gpio_free(DA830_MMCSD_WP_PIN);
 284         }
 285 }
 286
 287 /*
 288  * UI board NAND/NOR flashes only use 8-bit data bus.
 289  */
 290 static const short da830_evm_emif25_pins[] = {
 291         DA830_EMA_D_0, DA830_EMA_D_1, DA830_EMA_D_2, DA830_EMA_D_3,
 292         DA830_EMA_D_4, DA830_EMA_D_5, DA830_EMA_D_6, DA830_EMA_D_7,
 293         DA830_EMA_A_0, DA830_EMA_A_1, DA830_EMA_A_2, DA830_EMA_A_3,
 294         DA830_EMA_A_4, DA830_EMA_A_5, DA830_EMA_A_6, DA830_EMA_A_7,
 295         DA830_EMA_A_8, DA830_EMA_A_9, DA830_EMA_A_10, DA830_EMA_A_11,
 296         DA830_EMA_A_12, DA830_EMA_BA_0, DA830_EMA_BA_1, DA830_NEMA_WE,
 297         DA830_NEMA_CS_2, DA830_NEMA_CS_3, DA830_NEMA_OE, DA830_EMA_WAIT_0,
 298         -1
 299 };
 300
 301 #if defined(CONFIG_MMC_DAVINCI) || defined(CONFIG_MMC_DAVINCI_MODULE)
 302 #define HAS_MMC 1
 303 #else
 304 #define HAS_MMC 0
 305 #endif
 306
 307 #ifdef CONFIG_DA830_UI_NAND
 308 static struct mtd_partition da830_evm_nand_partitions[] = {
 309         /* bootloader (U-Boot, etc) in first sector */
 310         [0] = {
 311                 .name           = "bootloader",
 312                 .offset         = 0,
 313                 .size           = SZ_128K,
 314                 .mask_flags     = MTD_WRITEABLE,        /* force read-only */
 315         },
 316         /* bootloader params in the next sector */
 317         [1] = {
 318                 .name           = "params",
 319                 .offset         = MTDPART_OFS_APPEND,
 320                 .size           = SZ_128K,
 321                 .mask_flags     = MTD_WRITEABLE,        /* force read-only */
 322         },
 323         /* kernel */
 324         [2] = {
 325                 .name           = "kernel",
 326                 .offset         = MTDPART_OFS_APPEND,
 327                 .size           = SZ_2M,
 328                 .mask_flags     = 0,
 329         },
 330         /* file system */
 331         [3] = {
 332                 .name           = "filesystem",
 333                 .offset         = MTDPART_OFS_APPEND,
 334                 .size           = MTDPART_SIZ_FULL,
 335                 .mask_flags     = 0,
 336         }
 337 };
 338
 339 /* flash bbt decriptors */
 340 static uint8_t da830_evm_nand_bbt_pattern[] = { 'B', 'b', 't', '0' };
 341 static uint8_t da830_evm_nand_mirror_pattern[] = { '1', 't', 'b', 'B' };
 342
 343 static struct nand_bbt_descr da830_evm_nand_bbt_main_descr = {
 344         .options        = NAND_BBT_LASTBLOCK | NAND_BBT_CREATE |
 345                           NAND_BBT_WRITE | NAND_BBT_2BIT |
 346                           NAND_BBT_VERSION | NAND_BBT_PERCHIP,
 347         .offs           = 2,
 348         .len            = 4,
 349         .veroffs        = 16,
 350         .maxblocks      = 4,
 351         .pattern        = da830_evm_nand_bbt_pattern
 352 };
 353
 354 static struct nand_bbt_descr da830_evm_nand_bbt_mirror_descr = {
 355         .options        = NAND_BBT_LASTBLOCK | NAND_BBT_CREATE |
 356                           NAND_BBT_WRITE | NAND_BBT_2BIT |
 357                           NAND_BBT_VERSION | NAND_BBT_PERCHIP,
 358         .offs           = 2,
 359         .len            = 4,
 360         .veroffs        = 16,
 361         .maxblocks      = 4,
 362         .pattern        = da830_evm_nand_mirror_pattern
 363 };
 364
 365 static struct davinci_aemif_timing da830_evm_nandflash_timing = {
 366         .wsetup         = 24,
 367         .wstrobe        = 21,
 368         .whold          = 14,
 369         .rsetup         = 19,
 370         .rstrobe        = 50,
 371         .rhold          = 0,
 372         .ta             = 20,
 373 };
 374
 375 static struct davinci_nand_pdata da830_evm_nand_pdata = {
 376         .parts          = da830_evm_nand_partitions,
 377         .nr_parts       = ARRAY_SIZE(da830_evm_nand_partitions),
 378         .ecc_mode       = NAND_ECC_HW,
 379         .ecc_bits       = 4,
 380         .bbt_options    = NAND_BBT_USE_FLASH,
 381         .bbt_td         = &da830_evm_nand_bbt_main_descr,
 382         .bbt_md         = &da830_evm_nand_bbt_mirror_descr,
 383         .timing         = &da830_evm_nandflash_timing,
 384 };
 385
 386 static struct resource da830_evm_nand_resources[] = {
 387         [0] = {         /* First memory resource is NAND I/O window */
 388                 .start  = DA8XX_AEMIF_CS3_BASE,
 389                 .end    = DA8XX_AEMIF_CS3_BASE + PAGE_SIZE - 1,
 390                 .flags  = IORESOURCE_MEM,
 391         },
 392         [1] = {         /* Second memory resource is AEMIF control registers */
 393                 .start  = DA8XX_AEMIF_CTL_BASE,
 394                 .end    = DA8XX_AEMIF_CTL_BASE + SZ_32K - 1,
 395                 .flags  = IORESOURCE_MEM,
 396         },
 397 };
 398
 399 static struct platform_device da830_evm_nand_device = {
 400         .name           = "davinci_nand",
 401         .id             = 1,
 402         .dev            = {
 403                 .platform_data  = &da830_evm_nand_pdata,
 404         },
 405         .num_resources  = ARRAY_SIZE(da830_evm_nand_resources),
 406         .resource       = da830_evm_nand_resources,
 407 };
 408
 409 static inline void da830_evm_init_nand(int mux_mode)
 410 {
 411         int ret;
 412
 413         if (HAS_MMC) {
 414                 pr_warning("WARNING: both MMC/SD and NAND are "
 415                                 "enabled, but they share AEMIF pins.\n"
 416                                 "\tDisable MMC/SD for NAND support.\n");
 417                 return;
 418         }
 419
 420         ret = davinci_cfg_reg_list(da830_evm_emif25_pins);
 421         if (ret)
 422                 pr_warning("da830_evm_init: emif25 mux setup failed: %d\n",
 423                                 ret);
 424
 425         ret = platform_device_register(&da830_evm_nand_device);
 426         if (ret)
 427                 pr_warning("da830_evm_init: NAND device not registered.\n");
 428
 429         gpio_direction_output(mux_mode, 1);
 430 }
 431 #else
 432 static inline void da830_evm_init_nand(int mux_mode) { }
 433 #endif
 434
 435 #ifdef CONFIG_DA830_UI_LCD
 436 static inline void da830_evm_init_lcdc(int mux_mode)
 437 {
 438         int ret;
 439
 440         ret = davinci_cfg_reg_list(da830_lcdcntl_pins);
 441         if (ret)
 442                 pr_warning("da830_evm_init: lcdcntl mux setup failed: %d\n",
 443                                 ret);
 444
 445         ret = da8xx_register_lcdc(&sharp_lcd035q3dg01_pdata);
 446         if (ret)
 447                 pr_warning("da830_evm_init: lcd setup failed: %d\n", ret);
 448
 449         gpio_direction_output(mux_mode, 0);
 450 }
 451 #else
 452 static inline void da830_evm_init_lcdc(int mux_mode) { }
 453 #endif
 454
 455 static struct at24_platform_data da830_evm_i2c_eeprom_info = {
 456         .byte_len       = SZ_256K / 8,
 457         .page_size      = 64,
 458         .flags          = AT24_FLAG_ADDR16,
 459         .setup          = davinci_get_mac_addr,
 460         .context        = (void *)0x7f00,
 461 };
 462
 463 static int __init da830_evm_ui_expander_setup(struct i2c_client *client,
 464                 int gpio, unsigned ngpio, void *context)
 465 {
 466         gpio_request(gpio + 6, "UI MUX_MODE");
 467
 468         /* Drive mux mode low to match the default without UI card */
 469         gpio_direction_output(gpio + 6, 0);
 470
 471         da830_evm_init_lcdc(gpio + 6);
 472
 473         da830_evm_init_nand(gpio + 6);
 474
 475         return 0;
 476 }
 477
 478 static int da830_evm_ui_expander_teardown(struct i2c_client *client, int gpio,
 479                 unsigned ngpio, void *context)
 480 {
 481         gpio_free(gpio + 6);
 482         return 0;
 483 }
 484
 485 static struct pcf857x_platform_data __initdata da830_evm_ui_expander_info = {
 486         .gpio_base      = DAVINCI_N_GPIO,
 487         .setup          = da830_evm_ui_expander_setup,
 488         .teardown       = da830_evm_ui_expander_teardown,
 489 };
 490
 491 static struct i2c_board_info __initdata da830_evm_i2c_devices[] = {
 492         {
 493                 I2C_BOARD_INFO("24c256", 0x50),
 494                 .platform_data  = &da830_evm_i2c_eeprom_info,
 495         },
 496         {
 497                 I2C_BOARD_INFO("tlv320aic3x", 0x18),
 498         },
 499         {
 500                 I2C_BOARD_INFO("pcf8574", 0x3f),
 501                 .platform_data  = &da830_evm_ui_expander_info,
 502         },
 503 };
 504
 505 static struct davinci_i2c_platform_data da830_evm_i2c_0_pdata = {
 506         .bus_freq       = 100,  /* kHz */
 507         .bus_delay      = 0,    /* usec */
 508 };
 509
 510 /*
 511  * The following EDMA channels/slots are not being used by drivers (for
 512  * example: Timer, GPIO, UART events etc) on da830/omap-l137 EVM, hence
 513  * they are being reserved for codecs on the DSP side.
 514  */
 515 static const s16 da830_dma_rsv_chans[][2] = {
 516         /* (offset, number) */
 517         { 8,  2},
 518         {12,  2},
 519         {24,  4},
 520         {30,  2},
 521         {-1, -1}
 522 };
 523
 524 static const s16 da830_dma_rsv_slots[][2] = {
 525         /* (offset, number) */
 526         { 8,  2},
 527         {12,  2},
 528         {24,  4},
 529         {30, 26},
 530         {-1, -1}
 531 };
 532
 533 static struct edma_rsv_info da830_edma_rsv[] = {
 534         {
 535                 .rsv_chans      = da830_dma_rsv_chans,
 536                 .rsv_slots      = da830_dma_rsv_slots,
 537         },
 538 };
 539
 540 static struct mtd_partition da830evm_spiflash_part[] = {
 541         [0] = {
 542                 .name = "DSP-UBL",
 543                 .offset = 0,
 544                 .size = SZ_8K,
 545                 .mask_flags = MTD_WRITEABLE,
 546         },
 547         [1] = {
 548                 .name = "ARM-UBL",
 549                 .offset = MTDPART_OFS_APPEND,
 550                 .size = SZ_16K + SZ_8K,
 551                 .mask_flags = MTD_WRITEABLE,
 552         },
 553         [2] = {
 554                 .name = "U-Boot",
 555                 .offset = MTDPART_OFS_APPEND,
 556                 .size = SZ_256K - SZ_32K,
 557                 .mask_flags = MTD_WRITEABLE,
 558         },
 559         [3] = {
 560                 .name = "U-Boot-Environment",
 561                 .offset = MTDPART_OFS_APPEND,
 562                 .size = SZ_16K,
 563                 .mask_flags = 0,
 564         },
 565         [4] = {
 566                 .name = "Kernel",
 567                 .offset = MTDPART_OFS_APPEND,
 568                 .size = MTDPART_SIZ_FULL,
 569                 .mask_flags = 0,
 570         },
 571 };
 572
 573 static struct flash_platform_data da830evm_spiflash_data = {
 574         .name           = "m25p80",
 575         .parts          = da830evm_spiflash_part,
 576         .nr_parts       = ARRAY_SIZE(da830evm_spiflash_part),
 577         .type           = "w25x32",
 578 };
 579
 580 static struct davinci_spi_config da830evm_spiflash_cfg = {
 581         .io_type        = SPI_IO_TYPE_DMA,
 582         .c2tdelay       = 8,
 583         .t2cdelay       = 8,
 584 };
 585
 586 static struct spi_board_info da830evm_spi_info[] = {
 587         {
 588                 .modalias               = "m25p80",
 589                 .platform_data          = &da830evm_spiflash_data,
 590                 .controller_data        = &da830evm_spiflash_cfg,
 591                 .mode                   = SPI_MODE_0,
 592                 .max_speed_hz           = 30000000,
 593                 .bus_num                = 0,
 594                 .chip_select            = 0,
 595         },
 596 };
 597
 598 static __init void da830_evm_init(void)
 599 {
 600         struct davinci_soc_info *soc_info = &davinci_soc_info;
 601         int ret;
 602
 603         ret = da830_register_edma(da830_edma_rsv);
 604         if (ret)
 605                 pr_warning("da830_evm_init: edma registration failed: %d\n",
 606                                 ret);
 607
 608         ret = davinci_cfg_reg_list(da830_i2c0_pins);
 609         if (ret)
 610                 pr_warning("da830_evm_init: i2c0 mux setup failed: %d\n",
 611                                 ret);
 612
 613         ret = da8xx_register_i2c(0, &da830_evm_i2c_0_pdata);
 614         if (ret)
 615                 pr_warning("da830_evm_init: i2c0 registration failed: %d\n",
 616                                 ret);
 617
 618         da830_evm_usb_init();
 619
 620         soc_info->emac_pdata->rmii_en = 1;
 621         soc_info->emac_pdata->phy_id = DA830_EVM_PHY_ID;
 622
 623         ret = davinci_cfg_reg_list(da830_cpgmac_pins);
 624         if (ret)
 625                 pr_warning("da830_evm_init: cpgmac mux setup failed: %d\n",
 626                                 ret);
 627
 628         ret = da8xx_register_emac();
 629         if (ret)
 630                 pr_warning("da830_evm_init: emac registration failed: %d\n",
 631                                 ret);
 632
 633         ret = da8xx_register_watchdog();
 634         if (ret)
 635                 pr_warning("da830_evm_init: watchdog registration failed: %d\n",
 636                                 ret);
 637
 638         davinci_serial_init(&da830_evm_uart_config);
 639         i2c_register_board_info(1, da830_evm_i2c_devices,
 640                         ARRAY_SIZE(da830_evm_i2c_devices));
 641
 642         ret = davinci_cfg_reg_list(da830_evm_mcasp1_pins);
 643         if (ret)
 644                 pr_warning("da830_evm_init: mcasp1 mux setup failed: %d\n",
 645                                 ret);
 646
 647         da8xx_register_mcasp(1, &da830_evm_snd_data);
 648
 649         da830_evm_init_mmc();
 650
 651         ret = da8xx_register_rtc();
 652         if (ret)
 653                 pr_warning("da830_evm_init: rtc setup failed: %d\n", ret);
 654
 655         ret = da8xx_register_spi(0, da830evm_spi_info,
 656                                  ARRAY_SIZE(da830evm_spi_info));
 657         if (ret)
 658                 pr_warning("da830_evm_init: spi 0 registration failed: %d\n",
 659                            ret);
 660 }
 661
 662 #ifdef CONFIG_SERIAL_8250_CONSOLE
 663 static int __init da830_evm_console_init(void)
 664 {
 665         if (!machine_is_davinci_da830_evm())
 666                 return 0;
 667
 668         return add_preferred_console("ttyS", 2, "115200");
 669 }
 670 console_initcall(da830_evm_console_init);
 671 #endif
 672
 673 static void __init da830_evm_map_io(void)
 674 {
 675         da830_init();
 676 }
 677
 678 MACHINE_START(DAVINCI_DA830_EVM, "DaVinci DA830/OMAP-L137/AM17x EVM")
 679         .atag_offset    = 0x100,
 680         .map_io         = da830_evm_map_io,
 681         .init_irq       = cp_intc_init,
 682         .timer          = &davinci_timer,
 683         .init_machine   = da830_evm_init,
 684         .dma_zone_size  = SZ_128M,
 685         .restart        = da8xx_restart,
 686 MACHINE_END