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                         printk(KERN_ERR "%s: could not request IRQ to watch "
  84                                "over-current indicator changes\n", __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_warning("%s: USB 2.0 PinMux setup failed: %d\n",
 149                            __func__, ret);
 150         else {
 151                 /*
 152                  * TPS2065 switch @ 5V supplies 1 A (sustains 1.5 A),
 153                  * with the power on to power good time of 3 ms.
 154                  */
 155                 ret = da8xx_register_usb20(1000, 3);
 156                 if (ret)
 157                         pr_warning("%s: USB 2.0 registration failed: %d\n",
 158                                    __func__, ret);
 159         }
 160
 161         ret = davinci_cfg_reg_list(da830_evm_usb11_pins);
 162         if (ret) {
 163                 pr_warning("%s: USB 1.1 PinMux setup failed: %d\n",
 164                            __func__, ret);
 165                 return;
 166         }
 167
 168         ret = gpio_request(ON_BD_USB_DRV, "ON_BD_USB_DRV");
 169         if (ret) {
 170                 printk(KERN_ERR "%s: failed to request GPIO for USB 1.1 port "
 171                        "power control: %d\n", __func__, ret);
 172                 return;
 173         }
 174         gpio_direction_output(ON_BD_USB_DRV, 0);
 175
 176         ret = gpio_request(ON_BD_USB_OVC, "ON_BD_USB_OVC");
 177         if (ret) {
 178                 printk(KERN_ERR "%s: failed to request GPIO for USB 1.1 port "
 179                        "over-current indicator: %d\n", __func__, ret);
 180                 return;
 181         }
 182         gpio_direction_input(ON_BD_USB_OVC);
 183
 184         ret = da8xx_register_usb11(&da830_evm_usb11_pdata);
 185         if (ret)
 186                 pr_warning("%s: USB 1.1 registration failed: %d\n",
 187                            __func__, ret);
 188 }
 189
 190 static const short da830_evm_mcasp1_pins[] = {
 191         DA830_AHCLKX1, DA830_ACLKX1, DA830_AFSX1, DA830_AHCLKR1, DA830_AFSR1,
 192         DA830_AMUTE1, DA830_AXR1_0, DA830_AXR1_1, DA830_AXR1_2, DA830_AXR1_5,
 193         DA830_ACLKR1, DA830_AXR1_6, DA830_AXR1_7, DA830_AXR1_8, DA830_AXR1_10,
 194         DA830_AXR1_11,
 195         -1
 196 };
 197
 198 static u8 da830_iis_serializer_direction[] = {
 199         RX_MODE,        INACTIVE_MODE,  INACTIVE_MODE,  INACTIVE_MODE,
 200         INACTIVE_MODE,  TX_MODE,        INACTIVE_MODE,  INACTIVE_MODE,
 201         INACTIVE_MODE,  INACTIVE_MODE,  INACTIVE_MODE,  INACTIVE_MODE,
 202 };
 203
 204 static struct snd_platform_data da830_evm_snd_data = {
 205         .tx_dma_offset  = 0x2000,
 206         .rx_dma_offset  = 0x2000,
 207         .op_mode        = DAVINCI_MCASP_IIS_MODE,
 208         .num_serializer = ARRAY_SIZE(da830_iis_serializer_direction),
 209         .tdm_slots      = 2,
 210         .serial_dir     = da830_iis_serializer_direction,
 211         .asp_chan_q     = EVENTQ_0,
 212         .version        = MCASP_VERSION_2,
 213         .txnumevt       = 1,
 214         .rxnumevt       = 1,
 215 };
 216
 217 /*
 218  * GPIO2[1] is used as MMC_SD_WP and GPIO2[2] as MMC_SD_INS.
 219  */
 220 static const short da830_evm_mmc_sd_pins[] = {
 221         DA830_MMCSD_DAT_0, DA830_MMCSD_DAT_1, DA830_MMCSD_DAT_2,
 222         DA830_MMCSD_DAT_3, DA830_MMCSD_DAT_4, DA830_MMCSD_DAT_5,
 223         DA830_MMCSD_DAT_6, DA830_MMCSD_DAT_7, DA830_MMCSD_CLK,
 224         DA830_MMCSD_CMD,   DA830_GPIO2_1,     DA830_GPIO2_2,
 225         -1
 226 };
 227
 228 #define DA830_MMCSD_WP_PIN              GPIO_TO_PIN(2, 1)
 229 #define DA830_MMCSD_CD_PIN              GPIO_TO_PIN(2, 2)
 230
 231 static int da830_evm_mmc_get_ro(int index)
 232 {
 233         return gpio_get_value(DA830_MMCSD_WP_PIN);
 234 }
 235
 236 static int da830_evm_mmc_get_cd(int index)
 237 {
 238         return !gpio_get_value(DA830_MMCSD_CD_PIN);
 239 }
 240
 241 static struct davinci_mmc_config da830_evm_mmc_config = {
 242         .get_ro                 = da830_evm_mmc_get_ro,
 243         .get_cd                 = da830_evm_mmc_get_cd,
 244         .wires                  = 8,
 245         .max_freq               = 50000000,
 246         .caps                   = MMC_CAP_MMC_HIGHSPEED | MMC_CAP_SD_HIGHSPEED,
 247 };
 248
 249 static inline void da830_evm_init_mmc(void)
 250 {
 251         int ret;
 252
 253         ret = davinci_cfg_reg_list(da830_evm_mmc_sd_pins);
 254         if (ret) {
 255                 pr_warning("da830_evm_init: mmc/sd mux setup failed: %d\n",
 256                                 ret);
 257                 return;
 258         }
 259
 260         ret = gpio_request(DA830_MMCSD_WP_PIN, "MMC WP");
 261         if (ret) {
 262                 pr_warning("da830_evm_init: can not open GPIO %d\n",
 263                            DA830_MMCSD_WP_PIN);
 264                 return;
 265         }
 266         gpio_direction_input(DA830_MMCSD_WP_PIN);
 267
 268         ret = gpio_request(DA830_MMCSD_CD_PIN, "MMC CD\n");
 269         if (ret) {
 270                 pr_warning("da830_evm_init: can not open GPIO %d\n",
 271                            DA830_MMCSD_CD_PIN);
 272                 return;
 273         }
 274         gpio_direction_input(DA830_MMCSD_CD_PIN);
 275
 276         ret = da8xx_register_mmcsd0(&da830_evm_mmc_config);
 277         if (ret) {
 278                 pr_warning("da830_evm_init: mmc/sd registration failed: %d\n",
 279                                 ret);
 280                 gpio_free(DA830_MMCSD_WP_PIN);
 281         }
 282 }
 283
 284 /*
 285  * UI board NAND/NOR flashes only use 8-bit data bus.
 286  */
 287 static const short da830_evm_emif25_pins[] = {
 288         DA830_EMA_D_0, DA830_EMA_D_1, DA830_EMA_D_2, DA830_EMA_D_3,
 289         DA830_EMA_D_4, DA830_EMA_D_5, DA830_EMA_D_6, DA830_EMA_D_7,
 290         DA830_EMA_A_0, DA830_EMA_A_1, DA830_EMA_A_2, DA830_EMA_A_3,
 291         DA830_EMA_A_4, DA830_EMA_A_5, DA830_EMA_A_6, DA830_EMA_A_7,
 292         DA830_EMA_A_8, DA830_EMA_A_9, DA830_EMA_A_10, DA830_EMA_A_11,
 293         DA830_EMA_A_12, DA830_EMA_BA_0, DA830_EMA_BA_1, DA830_NEMA_WE,
 294         DA830_NEMA_CS_2, DA830_NEMA_CS_3, DA830_NEMA_OE, DA830_EMA_WAIT_0,
 295         -1
 296 };
 297
 298 #define HAS_MMC         IS_ENABLED(CONFIG_MMC_DAVINCI)
 299
 300 #ifdef CONFIG_DA830_UI_NAND
 301 static struct mtd_partition da830_evm_nand_partitions[] = {
 302         /* bootloader (U-Boot, etc) in first sector */
 303         [0] = {
 304                 .name           = "bootloader",
 305                 .offset         = 0,
 306                 .size           = SZ_128K,
 307                 .mask_flags     = MTD_WRITEABLE,        /* force read-only */
 308         },
 309         /* bootloader params in the next sector */
 310         [1] = {
 311                 .name           = "params",
 312                 .offset         = MTDPART_OFS_APPEND,
 313                 .size           = SZ_128K,
 314                 .mask_flags     = MTD_WRITEABLE,        /* force read-only */
 315         },
 316         /* kernel */
 317         [2] = {
 318                 .name           = "kernel",
 319                 .offset         = MTDPART_OFS_APPEND,
 320                 .size           = SZ_2M,
 321                 .mask_flags     = 0,
 322         },
 323         /* file system */
 324         [3] = {
 325                 .name           = "filesystem",
 326                 .offset         = MTDPART_OFS_APPEND,
 327                 .size           = MTDPART_SIZ_FULL,
 328                 .mask_flags     = 0,
 329         }
 330 };
 331
 332 /* flash bbt decriptors */
 333 static uint8_t da830_evm_nand_bbt_pattern[] = { 'B', 'b', 't', '0' };
 334 static uint8_t da830_evm_nand_mirror_pattern[] = { '1', 't', 'b', 'B' };
 335
 336 static struct nand_bbt_descr da830_evm_nand_bbt_main_descr = {
 337         .options        = NAND_BBT_LASTBLOCK | NAND_BBT_CREATE |
 338                           NAND_BBT_WRITE | NAND_BBT_2BIT |
 339                           NAND_BBT_VERSION | NAND_BBT_PERCHIP,
 340         .offs           = 2,
 341         .len            = 4,
 342         .veroffs        = 16,
 343         .maxblocks      = 4,
 344         .pattern        = da830_evm_nand_bbt_pattern
 345 };
 346
 347 static struct nand_bbt_descr da830_evm_nand_bbt_mirror_descr = {
 348         .options        = NAND_BBT_LASTBLOCK | NAND_BBT_CREATE |
 349                           NAND_BBT_WRITE | NAND_BBT_2BIT |
 350                           NAND_BBT_VERSION | NAND_BBT_PERCHIP,
 351         .offs           = 2,
 352         .len            = 4,
 353         .veroffs        = 16,
 354         .maxblocks      = 4,
 355         .pattern        = da830_evm_nand_mirror_pattern
 356 };
 357
 358 static struct davinci_aemif_timing da830_evm_nandflash_timing = {
 359         .wsetup         = 24,
 360         .wstrobe        = 21,
 361         .whold          = 14,
 362         .rsetup         = 19,
 363         .rstrobe        = 50,
 364         .rhold          = 0,
 365         .ta             = 20,
 366 };
 367
 368 static struct davinci_nand_pdata da830_evm_nand_pdata = {
 369         .parts          = da830_evm_nand_partitions,
 370         .nr_parts       = ARRAY_SIZE(da830_evm_nand_partitions),
 371         .ecc_mode       = NAND_ECC_HW,
 372         .ecc_bits       = 4,
 373         .bbt_options    = NAND_BBT_USE_FLASH,
 374         .bbt_td         = &da830_evm_nand_bbt_main_descr,
 375         .bbt_md         = &da830_evm_nand_bbt_mirror_descr,
 376         .timing         = &da830_evm_nandflash_timing,
 377 };
 378
 379 static struct resource da830_evm_nand_resources[] = {
 380         [0] = {         /* First memory resource is NAND I/O window */
 381                 .start  = DA8XX_AEMIF_CS3_BASE,
 382                 .end    = DA8XX_AEMIF_CS3_BASE + PAGE_SIZE - 1,
 383                 .flags  = IORESOURCE_MEM,
 384         },
 385         [1] = {         /* Second memory resource is AEMIF control registers */
 386                 .start  = DA8XX_AEMIF_CTL_BASE,
 387                 .end    = DA8XX_AEMIF_CTL_BASE + SZ_32K - 1,
 388                 .flags  = IORESOURCE_MEM,
 389         },
 390 };
 391
 392 static struct platform_device da830_evm_nand_device = {
 393         .name           = "davinci_nand",
 394         .id             = 1,
 395         .dev            = {
 396                 .platform_data  = &da830_evm_nand_pdata,
 397         },
 398         .num_resources  = ARRAY_SIZE(da830_evm_nand_resources),
 399         .resource       = da830_evm_nand_resources,
 400 };
 401
 402 static inline void da830_evm_init_nand(int mux_mode)
 403 {
 404         int ret;
 405
 406         if (HAS_MMC) {
 407                 pr_warning("WARNING: both MMC/SD and NAND are "
 408                                 "enabled, but they share AEMIF pins.\n"
 409                                 "\tDisable MMC/SD for NAND support.\n");
 410                 return;
 411         }
 412
 413         ret = davinci_cfg_reg_list(da830_evm_emif25_pins);
 414         if (ret)
 415                 pr_warning("da830_evm_init: emif25 mux setup failed: %d\n",
 416                                 ret);
 417
 418         ret = platform_device_register(&da830_evm_nand_device);
 419         if (ret)
 420                 pr_warning("da830_evm_init: NAND device not registered.\n");
 421
 422         if (davinci_aemif_setup(&da830_evm_nand_device))
 423                 pr_warn("%s: Cannot configure AEMIF.\n", __func__);
 424
 425         gpio_direction_output(mux_mode, 1);
 426 }
 427 #else
 428 static inline void da830_evm_init_nand(int mux_mode) { }
 429 #endif
 430
 431 #ifdef CONFIG_DA830_UI_LCD
 432 static inline void da830_evm_init_lcdc(int mux_mode)
 433 {
 434         int ret;
 435
 436         ret = davinci_cfg_reg_list(da830_lcdcntl_pins);
 437         if (ret)
 438                 pr_warning("da830_evm_init: lcdcntl mux setup failed: %d\n",
 439                                 ret);
 440
 441         ret = da8xx_register_lcdc(&sharp_lcd035q3dg01_pdata);
 442         if (ret)
 443                 pr_warning("da830_evm_init: lcd setup failed: %d\n", ret);
 444
 445         gpio_direction_output(mux_mode, 0);
 446 }
 447 #else
 448 static inline void da830_evm_init_lcdc(int mux_mode) { }
 449 #endif
 450
 451 static struct at24_platform_data da830_evm_i2c_eeprom_info = {
 452         .byte_len       = SZ_256K / 8,
 453         .page_size      = 64,
 454         .flags          = AT24_FLAG_ADDR16,
 455         .setup          = davinci_get_mac_addr,
 456         .context        = (void *)0x7f00,
 457 };
 458
 459 static int __init da830_evm_ui_expander_setup(struct i2c_client *client,
 460                 int gpio, unsigned ngpio, void *context)
 461 {
 462         gpio_request(gpio + 6, "UI MUX_MODE");
 463
 464         /* Drive mux mode low to match the default without UI card */
 465         gpio_direction_output(gpio + 6, 0);
 466
 467         da830_evm_init_lcdc(gpio + 6);
 468
 469         da830_evm_init_nand(gpio + 6);
 470
 471         return 0;
 472 }
 473
 474 static int da830_evm_ui_expander_teardown(struct i2c_client *client, int gpio,
 475                 unsigned ngpio, void *context)
 476 {
 477         gpio_free(gpio + 6);
 478         return 0;
 479 }
 480
 481 static struct pcf857x_platform_data __initdata da830_evm_ui_expander_info = {
 482         .gpio_base      = DAVINCI_N_GPIO,
 483         .setup          = da830_evm_ui_expander_setup,
 484         .teardown       = da830_evm_ui_expander_teardown,
 485 };
 486
 487 static struct i2c_board_info __initdata da830_evm_i2c_devices[] = {
 488         {
 489                 I2C_BOARD_INFO("24c256", 0x50),
 490                 .platform_data  = &da830_evm_i2c_eeprom_info,
 491         },
 492         {
 493                 I2C_BOARD_INFO("tlv320aic3x", 0x18),
 494         },
 495         {
 496                 I2C_BOARD_INFO("pcf8574", 0x3f),
 497                 .platform_data  = &da830_evm_ui_expander_info,
 498         },
 499 };
 500
 501 static struct davinci_i2c_platform_data da830_evm_i2c_0_pdata = {
 502         .bus_freq       = 100,  /* kHz */
 503         .bus_delay      = 0,    /* usec */
 504 };
 505
 506 /*
 507  * The following EDMA channels/slots are not being used by drivers (for
 508  * example: Timer, GPIO, UART events etc) on da830/omap-l137 EVM, hence
 509  * they are being reserved for codecs on the DSP side.
 510  */
 511 static const s16 da830_dma_rsv_chans[][2] = {
 512         /* (offset, number) */
 513         { 8,  2},
 514         {12,  2},
 515         {24,  4},
 516         {30,  2},
 517         {-1, -1}
 518 };
 519
 520 static const s16 da830_dma_rsv_slots[][2] = {
 521         /* (offset, number) */
 522         { 8,  2},
 523         {12,  2},
 524         {24,  4},
 525         {30, 26},
 526         {-1, -1}
 527 };
 528
 529 static struct edma_rsv_info da830_edma_rsv[] = {
 530         {
 531                 .rsv_chans      = da830_dma_rsv_chans,
 532                 .rsv_slots      = da830_dma_rsv_slots,
 533         },
 534 };
 535
 536 static struct mtd_partition da830evm_spiflash_part[] = {
 537         [0] = {
 538                 .name = "DSP-UBL",
 539                 .offset = 0,
 540                 .size = SZ_8K,
 541                 .mask_flags = MTD_WRITEABLE,
 542         },
 543         [1] = {
 544                 .name = "ARM-UBL",
 545                 .offset = MTDPART_OFS_APPEND,
 546                 .size = SZ_16K + SZ_8K,
 547                 .mask_flags = MTD_WRITEABLE,
 548         },
 549         [2] = {
 550                 .name = "U-Boot",
 551                 .offset = MTDPART_OFS_APPEND,
 552                 .size = SZ_256K - SZ_32K,
 553                 .mask_flags = MTD_WRITEABLE,
 554         },
 555         [3] = {
 556                 .name = "U-Boot-Environment",
 557                 .offset = MTDPART_OFS_APPEND,
 558                 .size = SZ_16K,
 559                 .mask_flags = 0,
 560         },
 561         [4] = {
 562                 .name = "Kernel",
 563                 .offset = MTDPART_OFS_APPEND,
 564                 .size = MTDPART_SIZ_FULL,
 565                 .mask_flags = 0,
 566         },
 567 };
 568
 569 static struct flash_platform_data da830evm_spiflash_data = {
 570         .name           = "m25p80",
 571         .parts          = da830evm_spiflash_part,
 572         .nr_parts       = ARRAY_SIZE(da830evm_spiflash_part),
 573         .type           = "w25x32",
 574 };
 575
 576 static struct davinci_spi_config da830evm_spiflash_cfg = {
 577         .io_type        = SPI_IO_TYPE_DMA,
 578         .c2tdelay       = 8,
 579         .t2cdelay       = 8,
 580 };
 581
 582 static struct spi_board_info da830evm_spi_info[] = {
 583         {
 584                 .modalias               = "m25p80",
 585                 .platform_data          = &da830evm_spiflash_data,
 586                 .controller_data        = &da830evm_spiflash_cfg,
 587                 .mode                   = SPI_MODE_0,
 588                 .max_speed_hz           = 30000000,
 589                 .bus_num                = 0,
 590                 .chip_select            = 0,
 591         },
 592 };
 593
 594 static __init void da830_evm_init(void)
 595 {
 596         struct davinci_soc_info *soc_info = &davinci_soc_info;
 597         int ret;
 598
 599         ret = da830_register_gpio();
 600         if (ret)
 601                 pr_warn("da830_evm_init: GPIO init failed: %d\n", 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(da8xx_serial_device);
 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 = spi_register_board_info(da830evm_spi_info,
 656                                       ARRAY_SIZE(da830evm_spi_info));
 657         if (ret)
 658                 pr_warn("%s: spi info registration failed: %d\n", __func__,
 659                         ret);
 660
 661         ret = da8xx_register_spi_bus(0, ARRAY_SIZE(da830evm_spi_info));
 662         if (ret)
 663                 pr_warning("da830_evm_init: spi 0 registration failed: %d\n",
 664                            ret);
 665 }
 666
 667 #ifdef CONFIG_SERIAL_8250_CONSOLE
 668 static int __init da830_evm_console_init(void)
 669 {
 670         if (!machine_is_davinci_da830_evm())
 671                 return 0;
 672
 673         return add_preferred_console("ttyS", 2, "115200");
 674 }
 675 console_initcall(da830_evm_console_init);
 676 #endif
 677
 678 static void __init da830_evm_map_io(void)
 679 {
 680         da830_init();
 681 }
 682
 683 MACHINE_START(DAVINCI_DA830_EVM, "DaVinci DA830/OMAP-L137/AM17x EVM")
 684         .atag_offset    = 0x100,
 685         .map_io         = da830_evm_map_io,
 686         .init_irq       = cp_intc_init,
 687         .init_time      = davinci_timer_init,
 688         .init_machine   = da830_evm_init,
 689         .init_late      = davinci_init_late,
 690         .dma_zone_size  = SZ_128M,
 691         .restart        = da8xx_restart,
 692 MACHINE_END