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
  33 #define DA830_EVM_PHY_MASK              0x0
  34 #define DA830_EVM_MDIO_FREQUENCY        2200000 /* PHY bus frequency */
  35
  36 /*
  37  * USB1 VBUS is controlled by GPIO1[15], over-current is reported on GPIO2[4].
  38  */
  39 #define ON_BD_USB_DRV   GPIO_TO_PIN(1, 15)
  40 #define ON_BD_USB_OVC   GPIO_TO_PIN(2, 4)
  41
  42 static const short da830_evm_usb11_pins[] = {
  43         DA830_GPIO1_15, DA830_GPIO2_4,
  44         -1
  45 };
  46
  47 static da8xx_ocic_handler_t da830_evm_usb_ocic_handler;
  48
  49 static int da830_evm_usb_set_power(unsigned port, int on)
  50 {
  51         gpio_set_value(ON_BD_USB_DRV, on);
  52         return 0;
  53 }
  54
  55 static int da830_evm_usb_get_power(unsigned port)
  56 {
  57         return gpio_get_value(ON_BD_USB_DRV);
  58 }
  59
  60 static int da830_evm_usb_get_oci(unsigned port)
  61 {
  62         return !gpio_get_value(ON_BD_USB_OVC);
  63 }
  64
  65 static irqreturn_t da830_evm_usb_ocic_irq(int, void *);
  66
  67 static int da830_evm_usb_ocic_notify(da8xx_ocic_handler_t handler)
  68 {
  69         int irq         = gpio_to_irq(ON_BD_USB_OVC);
  70         int error       = 0;
  71
  72         if (handler != NULL) {
  73                 da830_evm_usb_ocic_handler = handler;
  74
  75                 error = request_irq(irq, da830_evm_usb_ocic_irq, IRQF_DISABLED |
  76                                     IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING,
  77                                     "OHCI over-current indicator", NULL);
  78                 if (error)
  79                         printk(KERN_ERR "%s: could not request IRQ to watch "
  80                                "over-current indicator changes\n", __func__);
  81         } else
  82                 free_irq(irq, NULL);
  83
  84         return error;
  85 }
  86
  87 static struct da8xx_ohci_root_hub da830_evm_usb11_pdata = {
  88         .set_power      = da830_evm_usb_set_power,
  89         .get_power      = da830_evm_usb_get_power,
  90         .get_oci        = da830_evm_usb_get_oci,
  91         .ocic_notify    = da830_evm_usb_ocic_notify,
  92
  93         /* TPS2065 switch @ 5V */
  94         .potpgt         = (3 + 1) / 2,  /* 3 ms max */
  95 };
  96
  97 static irqreturn_t da830_evm_usb_ocic_irq(int irq, void *dev_id)
  98 {
  99         da830_evm_usb_ocic_handler(&da830_evm_usb11_pdata, 1);
 100         return IRQ_HANDLED;
 101 }
 102
 103 static __init void da830_evm_usb_init(void)
 104 {
 105         u32 cfgchip2;
 106         int ret;
 107
 108         /*
 109          * Set up USB clock/mode in the CFGCHIP2 register.
 110          * FYI:  CFGCHIP2 is 0x0000ef00 initially.
 111          */
 112         cfgchip2 = __raw_readl(DA8XX_SYSCFG0_VIRT(DA8XX_CFGCHIP2_REG));
 113
 114         /* USB2.0 PHY reference clock is 24 MHz */
 115         cfgchip2 &= ~CFGCHIP2_REFFREQ;
 116         cfgchip2 |=  CFGCHIP2_REFFREQ_24MHZ;
 117
 118         /*
 119          * Select internal reference clock for USB 2.0 PHY
 120          * and use it as a clock source for USB 1.1 PHY
 121          * (this is the default setting anyway).
 122          */
 123         cfgchip2 &= ~CFGCHIP2_USB1PHYCLKMUX;
 124         cfgchip2 |=  CFGCHIP2_USB2PHYCLKMUX;
 125
 126         /*
 127          * We have to override VBUS/ID signals when MUSB is configured into the
 128          * host-only mode -- ID pin will float if no cable is connected, so the
 129          * controller won't be able to drive VBUS thinking that it's a B-device.
 130          * Otherwise, we want to use the OTG mode and enable VBUS comparators.
 131          */
 132         cfgchip2 &= ~CFGCHIP2_OTGMODE;
 133 #ifdef  CONFIG_USB_MUSB_HOST
 134         cfgchip2 |=  CFGCHIP2_FORCE_HOST;
 135 #else
 136         cfgchip2 |=  CFGCHIP2_SESENDEN | CFGCHIP2_VBDTCTEN;
 137 #endif
 138
 139         __raw_writel(cfgchip2, DA8XX_SYSCFG0_VIRT(DA8XX_CFGCHIP2_REG));
 140
 141         /* USB_REFCLKIN is not used. */
 142         ret = davinci_cfg_reg(DA830_USB0_DRVVBUS);
 143         if (ret)
 144                 pr_warning("%s: USB 2.0 PinMux setup failed: %d\n",
 145                            __func__, ret);
 146         else {
 147                 /*
 148                  * TPS2065 switch @ 5V supplies 1 A (sustains 1.5 A),
 149                  * with the power on to power good time of 3 ms.
 150                  */
 151                 ret = da8xx_register_usb20(1000, 3);
 152                 if (ret)
 153                         pr_warning("%s: USB 2.0 registration failed: %d\n",
 154                                    __func__, ret);
 155         }
 156
 157         ret = davinci_cfg_reg_list(da830_evm_usb11_pins);
 158         if (ret) {
 159                 pr_warning("%s: USB 1.1 PinMux setup failed: %d\n",
 160                            __func__, ret);
 161                 return;
 162         }
 163
 164         ret = gpio_request(ON_BD_USB_DRV, "ON_BD_USB_DRV");
 165         if (ret) {
 166                 printk(KERN_ERR "%s: failed to request GPIO for USB 1.1 port "
 167                        "power control: %d\n", __func__, ret);
 168                 return;
 169         }
 170         gpio_direction_output(ON_BD_USB_DRV, 0);
 171
 172         ret = gpio_request(ON_BD_USB_OVC, "ON_BD_USB_OVC");
 173         if (ret) {
 174                 printk(KERN_ERR "%s: failed to request GPIO for USB 1.1 port "
 175                        "over-current indicator: %d\n", __func__, ret);
 176                 return;
 177         }
 178         gpio_direction_input(ON_BD_USB_OVC);
 179
 180         ret = da8xx_register_usb11(&da830_evm_usb11_pdata);
 181         if (ret)
 182                 pr_warning("%s: USB 1.1 registration failed: %d\n",
 183                            __func__, ret);
 184 }
 185
 186 static struct davinci_uart_config da830_evm_uart_config __initdata = {
 187         .enabled_uarts = 0x7,
 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         .eventq_no      = 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         .version                = MMC_CTLR_VERSION_2,
 248 };
 249
 250 static inline void da830_evm_init_mmc(void)
 251 {
 252         int ret;
 253
 254         ret = davinci_cfg_reg_list(da830_evm_mmc_sd_pins);
 255         if (ret) {
 256                 pr_warning("da830_evm_init: mmc/sd mux setup failed: %d\n",
 257                                 ret);
 258                 return;
 259         }
 260
 261         ret = gpio_request(DA830_MMCSD_WP_PIN, "MMC WP");
 262         if (ret) {
 263                 pr_warning("da830_evm_init: can not open GPIO %d\n",
 264                            DA830_MMCSD_WP_PIN);
 265                 return;
 266         }
 267         gpio_direction_input(DA830_MMCSD_WP_PIN);
 268
 269         ret = gpio_request(DA830_MMCSD_CD_PIN, "MMC CD\n");
 270         if (ret) {
 271                 pr_warning("da830_evm_init: can not open GPIO %d\n",
 272                            DA830_MMCSD_CD_PIN);
 273                 return;
 274         }
 275         gpio_direction_input(DA830_MMCSD_CD_PIN);
 276
 277         ret = da8xx_register_mmcsd0(&da830_evm_mmc_config);
 278         if (ret) {
 279                 pr_warning("da830_evm_init: mmc/sd registration failed: %d\n",
 280                                 ret);
 281                 gpio_free(DA830_MMCSD_WP_PIN);
 282         }
 283 }
 284
 285 /*
 286  * UI board NAND/NOR flashes only use 8-bit data bus.
 287  */
 288 static const short da830_evm_emif25_pins[] = {
 289         DA830_EMA_D_0, DA830_EMA_D_1, DA830_EMA_D_2, DA830_EMA_D_3,
 290         DA830_EMA_D_4, DA830_EMA_D_5, DA830_EMA_D_6, DA830_EMA_D_7,
 291         DA830_EMA_A_0, DA830_EMA_A_1, DA830_EMA_A_2, DA830_EMA_A_3,
 292         DA830_EMA_A_4, DA830_EMA_A_5, DA830_EMA_A_6, DA830_EMA_A_7,
 293         DA830_EMA_A_8, DA830_EMA_A_9, DA830_EMA_A_10, DA830_EMA_A_11,
 294         DA830_EMA_A_12, DA830_EMA_BA_0, DA830_EMA_BA_1, DA830_NEMA_WE,
 295         DA830_NEMA_CS_2, DA830_NEMA_CS_3, DA830_NEMA_OE, DA830_EMA_WAIT_0,
 296         -1
 297 };
 298
 299 #if defined(CONFIG_MMC_DAVINCI) || defined(CONFIG_MMC_DAVINCI_MODULE)
 300 #define HAS_MMC 1
 301 #else
 302 #define HAS_MMC 0
 303 #endif
 304
 305 #ifdef CONFIG_DA830_UI_NAND
 306 static struct mtd_partition da830_evm_nand_partitions[] = {
 307         /* bootloader (U-Boot, etc) in first sector */
 308         [0] = {
 309                 .name           = "bootloader",
 310                 .offset         = 0,
 311                 .size           = SZ_128K,
 312                 .mask_flags     = MTD_WRITEABLE,        /* force read-only */
 313         },
 314         /* bootloader params in the next sector */
 315         [1] = {
 316                 .name           = "params",
 317                 .offset         = MTDPART_OFS_APPEND,
 318                 .size           = SZ_128K,
 319                 .mask_flags     = MTD_WRITEABLE,        /* force read-only */
 320         },
 321         /* kernel */
 322         [2] = {
 323                 .name           = "kernel",
 324                 .offset         = MTDPART_OFS_APPEND,
 325                 .size           = SZ_2M,
 326                 .mask_flags     = 0,
 327         },
 328         /* file system */
 329         [3] = {
 330                 .name           = "filesystem",
 331                 .offset         = MTDPART_OFS_APPEND,
 332                 .size           = MTDPART_SIZ_FULL,
 333                 .mask_flags     = 0,
 334         }
 335 };
 336
 337 /* flash bbt decriptors */
 338 static uint8_t da830_evm_nand_bbt_pattern[] = { 'B', 'b', 't', '0' };
 339 static uint8_t da830_evm_nand_mirror_pattern[] = { '1', 't', 'b', 'B' };
 340
 341 static struct nand_bbt_descr da830_evm_nand_bbt_main_descr = {
 342         .options        = NAND_BBT_LASTBLOCK | NAND_BBT_CREATE |
 343                           NAND_BBT_WRITE | NAND_BBT_2BIT |
 344                           NAND_BBT_VERSION | NAND_BBT_PERCHIP,
 345         .offs           = 2,
 346         .len            = 4,
 347         .veroffs        = 16,
 348         .maxblocks      = 4,
 349         .pattern        = da830_evm_nand_bbt_pattern
 350 };
 351
 352 static struct nand_bbt_descr da830_evm_nand_bbt_mirror_descr = {
 353         .options        = NAND_BBT_LASTBLOCK | NAND_BBT_CREATE |
 354                           NAND_BBT_WRITE | NAND_BBT_2BIT |
 355                           NAND_BBT_VERSION | NAND_BBT_PERCHIP,
 356         .offs           = 2,
 357         .len            = 4,
 358         .veroffs        = 16,
 359         .maxblocks      = 4,
 360         .pattern        = da830_evm_nand_mirror_pattern
 361 };
 362
 363 static struct davinci_nand_pdata da830_evm_nand_pdata = {
 364         .parts          = da830_evm_nand_partitions,
 365         .nr_parts       = ARRAY_SIZE(da830_evm_nand_partitions),
 366         .ecc_mode       = NAND_ECC_HW,
 367         .ecc_bits       = 4,
 368         .options        = NAND_USE_FLASH_BBT,
 369         .bbt_td         = &da830_evm_nand_bbt_main_descr,
 370         .bbt_md         = &da830_evm_nand_bbt_mirror_descr,
 371 };
 372
 373 static struct resource da830_evm_nand_resources[] = {
 374         [0] = {         /* First memory resource is NAND I/O window */
 375                 .start  = DA8XX_AEMIF_CS3_BASE,
 376                 .end    = DA8XX_AEMIF_CS3_BASE + PAGE_SIZE - 1,
 377                 .flags  = IORESOURCE_MEM,
 378         },
 379         [1] = {         /* Second memory resource is AEMIF control registers */
 380                 .start  = DA8XX_AEMIF_CTL_BASE,
 381                 .end    = DA8XX_AEMIF_CTL_BASE + SZ_32K - 1,
 382                 .flags  = IORESOURCE_MEM,
 383         },
 384 };
 385
 386 static struct platform_device da830_evm_nand_device = {
 387         .name           = "davinci_nand",
 388         .id             = 1,
 389         .dev            = {
 390                 .platform_data  = &da830_evm_nand_pdata,
 391         },
 392         .num_resources  = ARRAY_SIZE(da830_evm_nand_resources),
 393         .resource       = da830_evm_nand_resources,
 394 };
 395
 396 static inline void da830_evm_init_nand(int mux_mode)
 397 {
 398         int ret;
 399
 400         if (HAS_MMC) {
 401                 pr_warning("WARNING: both MMC/SD and NAND are "
 402                                 "enabled, but they share AEMIF pins.\n"
 403                                 "\tDisable MMC/SD for NAND support.\n");
 404                 return;
 405         }
 406
 407         ret = davinci_cfg_reg_list(da830_evm_emif25_pins);
 408         if (ret)
 409                 pr_warning("da830_evm_init: emif25 mux setup failed: %d\n",
 410                                 ret);
 411
 412         ret = platform_device_register(&da830_evm_nand_device);
 413         if (ret)
 414                 pr_warning("da830_evm_init: NAND device not registered.\n");
 415
 416         gpio_direction_output(mux_mode, 1);
 417 }
 418 #else
 419 static inline void da830_evm_init_nand(int mux_mode) { }
 420 #endif
 421
 422 #ifdef CONFIG_DA830_UI_LCD
 423 static inline void da830_evm_init_lcdc(int mux_mode)
 424 {
 425         int ret;
 426
 427         ret = davinci_cfg_reg_list(da830_lcdcntl_pins);
 428         if (ret)
 429                 pr_warning("da830_evm_init: lcdcntl mux setup failed: %d\n",
 430                                 ret);
 431
 432         ret = da8xx_register_lcdc(&sharp_lcd035q3dg01_pdata);
 433         if (ret)
 434                 pr_warning("da830_evm_init: lcd setup failed: %d\n", ret);
 435
 436         gpio_direction_output(mux_mode, 0);
 437 }
 438 #else
 439 static inline void da830_evm_init_lcdc(int mux_mode) { }
 440 #endif
 441
 442 static struct at24_platform_data da830_evm_i2c_eeprom_info = {
 443         .byte_len       = SZ_256K / 8,
 444         .page_size      = 64,
 445         .flags          = AT24_FLAG_ADDR16,
 446         .setup          = davinci_get_mac_addr,
 447         .context        = (void *)0x7f00,
 448 };
 449
 450 static int __init da830_evm_ui_expander_setup(struct i2c_client *client,
 451                 int gpio, unsigned ngpio, void *context)
 452 {
 453         gpio_request(gpio + 6, "UI MUX_MODE");
 454
 455         /* Drive mux mode low to match the default without UI card */
 456         gpio_direction_output(gpio + 6, 0);
 457
 458         da830_evm_init_lcdc(gpio + 6);
 459
 460         da830_evm_init_nand(gpio + 6);
 461
 462         return 0;
 463 }
 464
 465 static int da830_evm_ui_expander_teardown(struct i2c_client *client, int gpio,
 466                 unsigned ngpio, void *context)
 467 {
 468         gpio_free(gpio + 6);
 469         return 0;
 470 }
 471
 472 static struct pcf857x_platform_data __initdata da830_evm_ui_expander_info = {
 473         .gpio_base      = DAVINCI_N_GPIO,
 474         .setup          = da830_evm_ui_expander_setup,
 475         .teardown       = da830_evm_ui_expander_teardown,
 476 };
 477
 478 static struct i2c_board_info __initdata da830_evm_i2c_devices[] = {
 479         {
 480                 I2C_BOARD_INFO("24c256", 0x50),
 481                 .platform_data  = &da830_evm_i2c_eeprom_info,
 482         },
 483         {
 484                 I2C_BOARD_INFO("tlv320aic3x", 0x18),
 485         },
 486         {
 487                 I2C_BOARD_INFO("pcf8574", 0x3f),
 488                 .platform_data  = &da830_evm_ui_expander_info,
 489         },
 490 };
 491
 492 static struct davinci_i2c_platform_data da830_evm_i2c_0_pdata = {
 493         .bus_freq       = 100,  /* kHz */
 494         .bus_delay      = 0,    /* usec */
 495 };
 496
 497 /*
 498  * The following EDMA channels/slots are not being used by drivers (for
 499  * example: Timer, GPIO, UART events etc) on da830/omap-l137 EVM, hence
 500  * they are being reserved for codecs on the DSP side.
 501  */
 502 static const s16 da830_dma_rsv_chans[][2] = {
 503         /* (offset, number) */
 504         { 8,  2},
 505         {12,  2},
 506         {24,  4},
 507         {30,  2},
 508         {-1, -1}
 509 };
 510
 511 static const s16 da830_dma_rsv_slots[][2] = {
 512         /* (offset, number) */
 513         { 8,  2},
 514         {12,  2},
 515         {24,  4},
 516         {30, 26},
 517         {-1, -1}
 518 };
 519
 520 static struct edma_rsv_info da830_edma_rsv[] = {
 521         {
 522                 .rsv_chans      = da830_dma_rsv_chans,
 523                 .rsv_slots      = da830_dma_rsv_slots,
 524         },
 525 };
 526
 527 static __init void da830_evm_init(void)
 528 {
 529         struct davinci_soc_info *soc_info = &davinci_soc_info;
 530         int ret;
 531
 532         ret = da830_register_edma(da830_edma_rsv);
 533         if (ret)
 534                 pr_warning("da830_evm_init: edma registration failed: %d\n",
 535                                 ret);
 536
 537         ret = davinci_cfg_reg_list(da830_i2c0_pins);
 538         if (ret)
 539                 pr_warning("da830_evm_init: i2c0 mux setup failed: %d\n",
 540                                 ret);
 541
 542         ret = da8xx_register_i2c(0, &da830_evm_i2c_0_pdata);
 543         if (ret)
 544                 pr_warning("da830_evm_init: i2c0 registration failed: %d\n",
 545                                 ret);
 546
 547         da830_evm_usb_init();
 548
 549         soc_info->emac_pdata->phy_mask = DA830_EVM_PHY_MASK;
 550         soc_info->emac_pdata->mdio_max_freq = DA830_EVM_MDIO_FREQUENCY;
 551         soc_info->emac_pdata->rmii_en = 1;
 552
 553         ret = davinci_cfg_reg_list(da830_cpgmac_pins);
 554         if (ret)
 555                 pr_warning("da830_evm_init: cpgmac mux setup failed: %d\n",
 556                                 ret);
 557
 558         ret = da8xx_register_emac();
 559         if (ret)
 560                 pr_warning("da830_evm_init: emac registration failed: %d\n",
 561                                 ret);
 562
 563         ret = da8xx_register_watchdog();
 564         if (ret)
 565                 pr_warning("da830_evm_init: watchdog registration failed: %d\n",
 566                                 ret);
 567
 568         davinci_serial_init(&da830_evm_uart_config);
 569         i2c_register_board_info(1, da830_evm_i2c_devices,
 570                         ARRAY_SIZE(da830_evm_i2c_devices));
 571
 572         ret = davinci_cfg_reg_list(da830_evm_mcasp1_pins);
 573         if (ret)
 574                 pr_warning("da830_evm_init: mcasp1 mux setup failed: %d\n",
 575                                 ret);
 576
 577         da8xx_register_mcasp(1, &da830_evm_snd_data);
 578
 579         da830_evm_init_mmc();
 580
 581         ret = da8xx_register_rtc();
 582         if (ret)
 583                 pr_warning("da830_evm_init: rtc setup failed: %d\n", ret);
 584 }
 585
 586 #ifdef CONFIG_SERIAL_8250_CONSOLE
 587 static int __init da830_evm_console_init(void)
 588 {
 589         return add_preferred_console("ttyS", 2, "115200");
 590 }
 591 console_initcall(da830_evm_console_init);
 592 #endif
 593
 594 static void __init da830_evm_map_io(void)
 595 {
 596         da830_init();
 597 }
 598
 599 MACHINE_START(DAVINCI_DA830_EVM, "DaVinci DA830/OMAP-L137 EVM")
 600         .phys_io        = IO_PHYS,
 601         .io_pg_offst    = (__IO_ADDRESS(IO_PHYS) >> 18) & 0xfffc,
 602         .boot_params    = (DA8XX_DDR_BASE + 0x100),
 603         .map_io         = da830_evm_map_io,
 604         .init_irq       = cp_intc_init,
 605         .timer          = &davinci_timer,
 606         .init_machine   = da830_evm_init,
 607 MACHINE_END