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
  24 #include <asm/mach-types.h>
  25 #include <asm/mach/arch.h>
  26
  27 #include <mach/cp_intc.h>
  28 #include <mach/mux.h>
  29 #include <mach/nand.h>
  30 #include <mach/da8xx.h>
  31 #include <mach/usb.h>
  32 #include <mach/aemif.h>
  33
  34 #define DA830_EVM_PHY_MASK              0x0
  35 #define DA830_EVM_MDIO_FREQUENCY        2200000 /* PHY bus frequency */
  36
  37 /*
  38  * USB1 VBUS is controlled by GPIO1[15], over-current is reported on GPIO2[4].
  39  */
  40 #define ON_BD_USB_DRV   GPIO_TO_PIN(1, 15)
  41 #define ON_BD_USB_OVC   GPIO_TO_PIN(2, 4)
  42
  43 static const short da830_evm_usb11_pins[] = {
  44         DA830_GPIO1_15, DA830_GPIO2_4,
  45         -1
  46 };
  47
  48 static da8xx_ocic_handler_t da830_evm_usb_ocic_handler;
  49
  50 static int da830_evm_usb_set_power(unsigned port, int on)
  51 {
  52         gpio_set_value(ON_BD_USB_DRV, on);
  53         return 0;
  54 }
  55
  56 static int da830_evm_usb_get_power(unsigned port)
  57 {
  58         return gpio_get_value(ON_BD_USB_DRV);
  59 }
  60
  61 static int da830_evm_usb_get_oci(unsigned port)
  62 {
  63         return !gpio_get_value(ON_BD_USB_OVC);
  64 }
  65
  66 static irqreturn_t da830_evm_usb_ocic_irq(int, void *);
  67
  68 static int da830_evm_usb_ocic_notify(da8xx_ocic_handler_t handler)
  69 {
  70         int irq         = gpio_to_irq(ON_BD_USB_OVC);
  71         int error       = 0;
  72
  73         if (handler != NULL) {
  74                 da830_evm_usb_ocic_handler = handler;
  75
  76                 error = request_irq(irq, da830_evm_usb_ocic_irq, IRQF_DISABLED |
  77                                     IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING,
  78                                     "OHCI over-current indicator", NULL);
  79                 if (error)
  80                         printk(KERN_ERR "%s: could not request IRQ to watch "
  81                                "over-current indicator changes\n", __func__);
  82         } else
  83                 free_irq(irq, NULL);
  84
  85         return error;
  86 }
  87
  88 static struct da8xx_ohci_root_hub da830_evm_usb11_pdata = {
  89         .set_power      = da830_evm_usb_set_power,
  90         .get_power      = da830_evm_usb_get_power,
  91         .get_oci        = da830_evm_usb_get_oci,
  92         .ocic_notify    = da830_evm_usb_ocic_notify,
  93
  94         /* TPS2065 switch @ 5V */
  95         .potpgt         = (3 + 1) / 2,  /* 3 ms max */
  96 };
  97
  98 static irqreturn_t da830_evm_usb_ocic_irq(int irq, void *dev_id)
  99 {
 100         da830_evm_usb_ocic_handler(&da830_evm_usb11_pdata, 1);
 101         return IRQ_HANDLED;
 102 }
 103
 104 static __init void da830_evm_usb_init(void)
 105 {
 106         u32 cfgchip2;
 107         int ret;
 108
 109         /*
 110          * Set up USB clock/mode in the CFGCHIP2 register.
 111          * FYI:  CFGCHIP2 is 0x0000ef00 initially.
 112          */
 113         cfgchip2 = __raw_readl(DA8XX_SYSCFG0_VIRT(DA8XX_CFGCHIP2_REG));
 114
 115         /* USB2.0 PHY reference clock is 24 MHz */
 116         cfgchip2 &= ~CFGCHIP2_REFFREQ;
 117         cfgchip2 |=  CFGCHIP2_REFFREQ_24MHZ;
 118
 119         /*
 120          * Select internal reference clock for USB 2.0 PHY
 121          * and use it as a clock source for USB 1.1 PHY
 122          * (this is the default setting anyway).
 123          */
 124         cfgchip2 &= ~CFGCHIP2_USB1PHYCLKMUX;
 125         cfgchip2 |=  CFGCHIP2_USB2PHYCLKMUX;
 126
 127         /*
 128          * We have to override VBUS/ID signals when MUSB is configured into the
 129          * host-only mode -- ID pin will float if no cable is connected, so the
 130          * controller won't be able to drive VBUS thinking that it's a B-device.
 131          * Otherwise, we want to use the OTG mode and enable VBUS comparators.
 132          */
 133         cfgchip2 &= ~CFGCHIP2_OTGMODE;
 134 #ifdef  CONFIG_USB_MUSB_HOST
 135         cfgchip2 |=  CFGCHIP2_FORCE_HOST;
 136 #else
 137         cfgchip2 |=  CFGCHIP2_SESENDEN | CFGCHIP2_VBDTCTEN;
 138 #endif
 139
 140         __raw_writel(cfgchip2, DA8XX_SYSCFG0_VIRT(DA8XX_CFGCHIP2_REG));
 141
 142         /* USB_REFCLKIN is not used. */
 143         ret = davinci_cfg_reg(DA830_USB0_DRVVBUS);
 144         if (ret)
 145                 pr_warning("%s: USB 2.0 PinMux setup failed: %d\n",
 146                            __func__, ret);
 147         else {
 148                 /*
 149                  * TPS2065 switch @ 5V supplies 1 A (sustains 1.5 A),
 150                  * with the power on to power good time of 3 ms.
 151                  */
 152                 ret = da8xx_register_usb20(1000, 3);
 153                 if (ret)
 154                         pr_warning("%s: USB 2.0 registration failed: %d\n",
 155                                    __func__, ret);
 156         }
 157
 158         ret = davinci_cfg_reg_list(da830_evm_usb11_pins);
 159         if (ret) {
 160                 pr_warning("%s: USB 1.1 PinMux setup failed: %d\n",
 161                            __func__, ret);
 162                 return;
 163         }
 164
 165         ret = gpio_request(ON_BD_USB_DRV, "ON_BD_USB_DRV");
 166         if (ret) {
 167                 printk(KERN_ERR "%s: failed to request GPIO for USB 1.1 port "
 168                        "power control: %d\n", __func__, ret);
 169                 return;
 170         }
 171         gpio_direction_output(ON_BD_USB_DRV, 0);
 172
 173         ret = gpio_request(ON_BD_USB_OVC, "ON_BD_USB_OVC");
 174         if (ret) {
 175                 printk(KERN_ERR "%s: failed to request GPIO for USB 1.1 port "
 176                        "over-current indicator: %d\n", __func__, ret);
 177                 return;
 178         }
 179         gpio_direction_input(ON_BD_USB_OVC);
 180
 181         ret = da8xx_register_usb11(&da830_evm_usb11_pdata);
 182         if (ret)
 183                 pr_warning("%s: USB 1.1 registration failed: %d\n",
 184                            __func__, ret);
 185 }
 186
 187 static struct davinci_uart_config da830_evm_uart_config __initdata = {
 188         .enabled_uarts = 0x7,
 189 };
 190
 191 static const short da830_evm_mcasp1_pins[] = {
 192         DA830_AHCLKX1, DA830_ACLKX1, DA830_AFSX1, DA830_AHCLKR1, DA830_AFSR1,
 193         DA830_AMUTE1, DA830_AXR1_0, DA830_AXR1_1, DA830_AXR1_2, DA830_AXR1_5,
 194         DA830_ACLKR1, DA830_AXR1_6, DA830_AXR1_7, DA830_AXR1_8, DA830_AXR1_10,
 195         DA830_AXR1_11,
 196         -1
 197 };
 198
 199 static u8 da830_iis_serializer_direction[] = {
 200         RX_MODE,        INACTIVE_MODE,  INACTIVE_MODE,  INACTIVE_MODE,
 201         INACTIVE_MODE,  TX_MODE,        INACTIVE_MODE,  INACTIVE_MODE,
 202         INACTIVE_MODE,  INACTIVE_MODE,  INACTIVE_MODE,  INACTIVE_MODE,
 203 };
 204
 205 static struct snd_platform_data da830_evm_snd_data = {
 206         .tx_dma_offset  = 0x2000,
 207         .rx_dma_offset  = 0x2000,
 208         .op_mode        = DAVINCI_MCASP_IIS_MODE,
 209         .num_serializer = ARRAY_SIZE(da830_iis_serializer_direction),
 210         .tdm_slots      = 2,
 211         .serial_dir     = da830_iis_serializer_direction,
 212         .asp_chan_q     = EVENTQ_0,
 213         .version        = MCASP_VERSION_2,
 214         .txnumevt       = 1,
 215         .rxnumevt       = 1,
 216 };
 217
 218 /*
 219  * GPIO2[1] is used as MMC_SD_WP and GPIO2[2] as MMC_SD_INS.
 220  */
 221 static const short da830_evm_mmc_sd_pins[] = {
 222         DA830_MMCSD_DAT_0, DA830_MMCSD_DAT_1, DA830_MMCSD_DAT_2,
 223         DA830_MMCSD_DAT_3, DA830_MMCSD_DAT_4, DA830_MMCSD_DAT_5,
 224         DA830_MMCSD_DAT_6, DA830_MMCSD_DAT_7, DA830_MMCSD_CLK,
 225         DA830_MMCSD_CMD,   DA830_GPIO2_1,     DA830_GPIO2_2,
 226         -1
 227 };
 228
 229 #define DA830_MMCSD_WP_PIN              GPIO_TO_PIN(2, 1)
 230 #define DA830_MMCSD_CD_PIN              GPIO_TO_PIN(2, 2)
 231
 232 static int da830_evm_mmc_get_ro(int index)
 233 {
 234         return gpio_get_value(DA830_MMCSD_WP_PIN);
 235 }
 236
 237 static int da830_evm_mmc_get_cd(int index)
 238 {
 239         return !gpio_get_value(DA830_MMCSD_CD_PIN);
 240 }
 241
 242 static struct davinci_mmc_config da830_evm_mmc_config = {
 243         .get_ro                 = da830_evm_mmc_get_ro,
 244         .get_cd                 = da830_evm_mmc_get_cd,
 245         .wires                  = 8,
 246         .max_freq               = 50000000,
 247         .caps                   = MMC_CAP_MMC_HIGHSPEED | MMC_CAP_SD_HIGHSPEED,
 248         .version                = MMC_CTLR_VERSION_2,
 249 };
 250
 251 static inline void da830_evm_init_mmc(void)
 252 {
 253         int ret;
 254
 255         ret = davinci_cfg_reg_list(da830_evm_mmc_sd_pins);
 256         if (ret) {
 257                 pr_warning("da830_evm_init: mmc/sd mux setup failed: %d\n",
 258                                 ret);
 259                 return;
 260         }
 261
 262         ret = gpio_request(DA830_MMCSD_WP_PIN, "MMC WP");
 263         if (ret) {
 264                 pr_warning("da830_evm_init: can not open GPIO %d\n",
 265                            DA830_MMCSD_WP_PIN);
 266                 return;
 267         }
 268         gpio_direction_input(DA830_MMCSD_WP_PIN);
 269
 270         ret = gpio_request(DA830_MMCSD_CD_PIN, "MMC CD\n");
 271         if (ret) {
 272                 pr_warning("da830_evm_init: can not open GPIO %d\n",
 273                            DA830_MMCSD_CD_PIN);
 274                 return;
 275         }
 276         gpio_direction_input(DA830_MMCSD_CD_PIN);
 277
 278         ret = da8xx_register_mmcsd0(&da830_evm_mmc_config);
 279         if (ret) {
 280                 pr_warning("da830_evm_init: mmc/sd registration failed: %d\n",
 281                                 ret);
 282                 gpio_free(DA830_MMCSD_WP_PIN);
 283         }
 284 }
 285
 286 /*
 287  * UI board NAND/NOR flashes only use 8-bit data bus.
 288  */
 289 static const short da830_evm_emif25_pins[] = {
 290         DA830_EMA_D_0, DA830_EMA_D_1, DA830_EMA_D_2, DA830_EMA_D_3,
 291         DA830_EMA_D_4, DA830_EMA_D_5, DA830_EMA_D_6, DA830_EMA_D_7,
 292         DA830_EMA_A_0, DA830_EMA_A_1, DA830_EMA_A_2, DA830_EMA_A_3,
 293         DA830_EMA_A_4, DA830_EMA_A_5, DA830_EMA_A_6, DA830_EMA_A_7,
 294         DA830_EMA_A_8, DA830_EMA_A_9, DA830_EMA_A_10, DA830_EMA_A_11,
 295         DA830_EMA_A_12, DA830_EMA_BA_0, DA830_EMA_BA_1, DA830_NEMA_WE,
 296         DA830_NEMA_CS_2, DA830_NEMA_CS_3, DA830_NEMA_OE, DA830_EMA_WAIT_0,
 297         -1
 298 };
 299
 300 #if defined(CONFIG_MMC_DAVINCI) || defined(CONFIG_MMC_DAVINCI_MODULE)
 301 #define HAS_MMC 1
 302 #else
 303 #define HAS_MMC 0
 304 #endif
 305
 306 #ifdef CONFIG_DA830_UI_NAND
 307 static struct mtd_partition da830_evm_nand_partitions[] = {
 308         /* bootloader (U-Boot, etc) in first sector */
 309         [0] = {
 310                 .name           = "bootloader",
 311                 .offset         = 0,
 312                 .size           = SZ_128K,
 313                 .mask_flags     = MTD_WRITEABLE,        /* force read-only */
 314         },
 315         /* bootloader params in the next sector */
 316         [1] = {
 317                 .name           = "params",
 318                 .offset         = MTDPART_OFS_APPEND,
 319                 .size           = SZ_128K,
 320                 .mask_flags     = MTD_WRITEABLE,        /* force read-only */
 321         },
 322         /* kernel */
 323         [2] = {
 324                 .name           = "kernel",
 325                 .offset         = MTDPART_OFS_APPEND,
 326                 .size           = SZ_2M,
 327                 .mask_flags     = 0,
 328         },
 329         /* file system */
 330         [3] = {
 331                 .name           = "filesystem",
 332                 .offset         = MTDPART_OFS_APPEND,
 333                 .size           = MTDPART_SIZ_FULL,
 334                 .mask_flags     = 0,
 335         }
 336 };
 337
 338 /* flash bbt decriptors */
 339 static uint8_t da830_evm_nand_bbt_pattern[] = { 'B', 'b', 't', '0' };
 340 static uint8_t da830_evm_nand_mirror_pattern[] = { '1', 't', 'b', 'B' };
 341
 342 static struct nand_bbt_descr da830_evm_nand_bbt_main_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_bbt_pattern
 351 };
 352
 353 static struct nand_bbt_descr da830_evm_nand_bbt_mirror_descr = {
 354         .options        = NAND_BBT_LASTBLOCK | NAND_BBT_CREATE |
 355                           NAND_BBT_WRITE | NAND_BBT_2BIT |
 356                           NAND_BBT_VERSION | NAND_BBT_PERCHIP,
 357         .offs           = 2,
 358         .len            = 4,
 359         .veroffs        = 16,
 360         .maxblocks      = 4,
 361         .pattern        = da830_evm_nand_mirror_pattern
 362 };
 363
 364 static struct davinci_aemif_timing da830_evm_nandflash_timing = {
 365         .wsetup         = 24,
 366         .wstrobe        = 21,
 367         .whold          = 14,
 368         .rsetup         = 19,
 369         .rstrobe        = 50,
 370         .rhold          = 0,
 371         .ta             = 20,
 372 };
 373
 374 static struct davinci_nand_pdata da830_evm_nand_pdata = {
 375         .parts          = da830_evm_nand_partitions,
 376         .nr_parts       = ARRAY_SIZE(da830_evm_nand_partitions),
 377         .ecc_mode       = NAND_ECC_HW,
 378         .ecc_bits       = 4,
 379         .options        = NAND_USE_FLASH_BBT,
 380         .bbt_td         = &da830_evm_nand_bbt_main_descr,
 381         .bbt_md         = &da830_evm_nand_bbt_mirror_descr,
 382         .timing         = &da830_evm_nandflash_timing,
 383 };
 384
 385 static struct resource da830_evm_nand_resources[] = {
 386         [0] = {         /* First memory resource is NAND I/O window */
 387                 .start  = DA8XX_AEMIF_CS3_BASE,
 388                 .end    = DA8XX_AEMIF_CS3_BASE + PAGE_SIZE - 1,
 389                 .flags  = IORESOURCE_MEM,
 390         },
 391         [1] = {         /* Second memory resource is AEMIF control registers */
 392                 .start  = DA8XX_AEMIF_CTL_BASE,
 393                 .end    = DA8XX_AEMIF_CTL_BASE + SZ_32K - 1,
 394                 .flags  = IORESOURCE_MEM,
 395         },
 396 };
 397
 398 static struct platform_device da830_evm_nand_device = {
 399         .name           = "davinci_nand",
 400         .id             = 1,
 401         .dev            = {
 402                 .platform_data  = &da830_evm_nand_pdata,
 403         },
 404         .num_resources  = ARRAY_SIZE(da830_evm_nand_resources),
 405         .resource       = da830_evm_nand_resources,
 406 };
 407
 408 static inline void da830_evm_init_nand(int mux_mode)
 409 {
 410         int ret;
 411
 412         if (HAS_MMC) {
 413                 pr_warning("WARNING: both MMC/SD and NAND are "
 414                                 "enabled, but they share AEMIF pins.\n"
 415                                 "\tDisable MMC/SD for NAND support.\n");
 416                 return;
 417         }
 418
 419         ret = davinci_cfg_reg_list(da830_evm_emif25_pins);
 420         if (ret)
 421                 pr_warning("da830_evm_init: emif25 mux setup failed: %d\n",
 422                                 ret);
 423
 424         ret = platform_device_register(&da830_evm_nand_device);
 425         if (ret)
 426                 pr_warning("da830_evm_init: NAND device not registered.\n");
 427
 428         gpio_direction_output(mux_mode, 1);
 429 }
 430 #else
 431 static inline void da830_evm_init_nand(int mux_mode) { }
 432 #endif
 433
 434 #ifdef CONFIG_DA830_UI_LCD
 435 static inline void da830_evm_init_lcdc(int mux_mode)
 436 {
 437         int ret;
 438
 439         ret = davinci_cfg_reg_list(da830_lcdcntl_pins);
 440         if (ret)
 441                 pr_warning("da830_evm_init: lcdcntl mux setup failed: %d\n",
 442                                 ret);
 443
 444         ret = da8xx_register_lcdc(&sharp_lcd035q3dg01_pdata);
 445         if (ret)
 446                 pr_warning("da830_evm_init: lcd setup failed: %d\n", ret);
 447
 448         gpio_direction_output(mux_mode, 0);
 449 }
 450 #else
 451 static inline void da830_evm_init_lcdc(int mux_mode) { }
 452 #endif
 453
 454 static struct at24_platform_data da830_evm_i2c_eeprom_info = {
 455         .byte_len       = SZ_256K / 8,
 456         .page_size      = 64,
 457         .flags          = AT24_FLAG_ADDR16,
 458         .setup          = davinci_get_mac_addr,
 459         .context        = (void *)0x7f00,
 460 };
 461
 462 static int __init da830_evm_ui_expander_setup(struct i2c_client *client,
 463                 int gpio, unsigned ngpio, void *context)
 464 {
 465         gpio_request(gpio + 6, "UI MUX_MODE");
 466
 467         /* Drive mux mode low to match the default without UI card */
 468         gpio_direction_output(gpio + 6, 0);
 469
 470         da830_evm_init_lcdc(gpio + 6);
 471
 472         da830_evm_init_nand(gpio + 6);
 473
 474         return 0;
 475 }
 476
 477 static int da830_evm_ui_expander_teardown(struct i2c_client *client, int gpio,
 478                 unsigned ngpio, void *context)
 479 {
 480         gpio_free(gpio + 6);
 481         return 0;
 482 }
 483
 484 static struct pcf857x_platform_data __initdata da830_evm_ui_expander_info = {
 485         .gpio_base      = DAVINCI_N_GPIO,
 486         .setup          = da830_evm_ui_expander_setup,
 487         .teardown       = da830_evm_ui_expander_teardown,
 488 };
 489
 490 static struct i2c_board_info __initdata da830_evm_i2c_devices[] = {
 491         {
 492                 I2C_BOARD_INFO("24c256", 0x50),
 493                 .platform_data  = &da830_evm_i2c_eeprom_info,
 494         },
 495         {
 496                 I2C_BOARD_INFO("tlv320aic3x", 0x18),
 497         },
 498         {
 499                 I2C_BOARD_INFO("pcf8574", 0x3f),
 500                 .platform_data  = &da830_evm_ui_expander_info,
 501         },
 502 };
 503
 504 static struct davinci_i2c_platform_data da830_evm_i2c_0_pdata = {
 505         .bus_freq       = 100,  /* kHz */
 506         .bus_delay      = 0,    /* usec */
 507 };
 508
 509 /*
 510  * The following EDMA channels/slots are not being used by drivers (for
 511  * example: Timer, GPIO, UART events etc) on da830/omap-l137 EVM, hence
 512  * they are being reserved for codecs on the DSP side.
 513  */
 514 static const s16 da830_dma_rsv_chans[][2] = {
 515         /* (offset, number) */
 516         { 8,  2},
 517         {12,  2},
 518         {24,  4},
 519         {30,  2},
 520         {-1, -1}
 521 };
 522
 523 static const s16 da830_dma_rsv_slots[][2] = {
 524         /* (offset, number) */
 525         { 8,  2},
 526         {12,  2},
 527         {24,  4},
 528         {30, 26},
 529         {-1, -1}
 530 };
 531
 532 static struct edma_rsv_info da830_edma_rsv[] = {
 533         {
 534                 .rsv_chans      = da830_dma_rsv_chans,
 535                 .rsv_slots      = da830_dma_rsv_slots,
 536         },
 537 };
 538
 539 static __init void da830_evm_init(void)
 540 {
 541         struct davinci_soc_info *soc_info = &davinci_soc_info;
 542         int ret;
 543
 544         ret = da830_register_edma(da830_edma_rsv);
 545         if (ret)
 546                 pr_warning("da830_evm_init: edma registration failed: %d\n",
 547                                 ret);
 548
 549         ret = davinci_cfg_reg_list(da830_i2c0_pins);
 550         if (ret)
 551                 pr_warning("da830_evm_init: i2c0 mux setup failed: %d\n",
 552                                 ret);
 553
 554         ret = da8xx_register_i2c(0, &da830_evm_i2c_0_pdata);
 555         if (ret)
 556                 pr_warning("da830_evm_init: i2c0 registration failed: %d\n",
 557                                 ret);
 558
 559         da830_evm_usb_init();
 560
 561         soc_info->emac_pdata->phy_mask = DA830_EVM_PHY_MASK;
 562         soc_info->emac_pdata->mdio_max_freq = DA830_EVM_MDIO_FREQUENCY;
 563         soc_info->emac_pdata->rmii_en = 1;
 564
 565         ret = davinci_cfg_reg_list(da830_cpgmac_pins);
 566         if (ret)
 567                 pr_warning("da830_evm_init: cpgmac mux setup failed: %d\n",
 568                                 ret);
 569
 570         ret = da8xx_register_emac();
 571         if (ret)
 572                 pr_warning("da830_evm_init: emac registration failed: %d\n",
 573                                 ret);
 574
 575         ret = da8xx_register_watchdog();
 576         if (ret)
 577                 pr_warning("da830_evm_init: watchdog registration failed: %d\n",
 578                                 ret);
 579
 580         davinci_serial_init(&da830_evm_uart_config);
 581         i2c_register_board_info(1, da830_evm_i2c_devices,
 582                         ARRAY_SIZE(da830_evm_i2c_devices));
 583
 584         ret = davinci_cfg_reg_list(da830_evm_mcasp1_pins);
 585         if (ret)
 586                 pr_warning("da830_evm_init: mcasp1 mux setup failed: %d\n",
 587                                 ret);
 588
 589         da8xx_register_mcasp(1, &da830_evm_snd_data);
 590
 591         da830_evm_init_mmc();
 592
 593         ret = da8xx_register_rtc();
 594         if (ret)
 595                 pr_warning("da830_evm_init: rtc setup failed: %d\n", ret);
 596 }
 597
 598 #ifdef CONFIG_SERIAL_8250_CONSOLE
 599 static int __init da830_evm_console_init(void)
 600 {
 601         return add_preferred_console("ttyS", 2, "115200");
 602 }
 603 console_initcall(da830_evm_console_init);
 604 #endif
 605
 606 static void __init da830_evm_map_io(void)
 607 {
 608         da830_init();
 609 }
 610
 611 MACHINE_START(DAVINCI_DA830_EVM, "DaVinci DA830/OMAP-L137/AM17x EVM")
 612         .phys_io        = IO_PHYS,
 613         .io_pg_offst    = (__IO_ADDRESS(IO_PHYS) >> 18) & 0xfffc,
 614         .boot_params    = (DA8XX_DDR_BASE + 0x100),
 615         .map_io         = da830_evm_map_io,
 616         .init_irq       = cp_intc_init,
 617         .timer          = &davinci_timer,
 618         .init_machine   = da830_evm_init,
 619 MACHINE_END