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_ID                ""
  35 /*
  36  * USB1 VBUS is controlled by GPIO1[15], over-current is reported on GPIO2[4].
  37  */
  38 #define ON_BD_USB_DRV   GPIO_TO_PIN(1, 15)
  39 #define ON_BD_USB_OVC   GPIO_TO_PIN(2, 4)
  40
  41 static const short da830_evm_usb11_pins[] = {
  42         DA830_GPIO1_15, DA830_GPIO2_4,
  43         -1
  44 };
  45
  46 static da8xx_ocic_handler_t da830_evm_usb_ocic_handler;
  47
  48 static int da830_evm_usb_set_power(unsigned port, int on)
  49 {
  50         gpio_set_value(ON_BD_USB_DRV, on);
  51         return 0;
  52 }
  53
  54 static int da830_evm_usb_get_power(unsigned port)
  55 {
  56         return gpio_get_value(ON_BD_USB_DRV);
  57 }
  58
  59 static int da830_evm_usb_get_oci(unsigned port)
  60 {
  61         return !gpio_get_value(ON_BD_USB_OVC);
  62 }
  63
  64 static irqreturn_t da830_evm_usb_ocic_irq(int, void *);
  65
  66 static int da830_evm_usb_ocic_notify(da8xx_ocic_handler_t handler)
  67 {
  68         int irq         = gpio_to_irq(ON_BD_USB_OVC);
  69         int error       = 0;
  70
  71         if (handler != NULL) {
  72                 da830_evm_usb_ocic_handler = handler;
  73
  74                 error = request_irq(irq, da830_evm_usb_ocic_irq, IRQF_DISABLED |
  75                                     IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING,
  76                                     "OHCI over-current indicator", NULL);
  77                 if (error)
  78                         printk(KERN_ERR "%s: could not request IRQ to watch "
  79                                "over-current indicator changes\n", __func__);
  80         } else
  81                 free_irq(irq, NULL);
  82
  83         return error;
  84 }
  85
  86 static struct da8xx_ohci_root_hub da830_evm_usb11_pdata = {
  87         .set_power      = da830_evm_usb_set_power,
  88         .get_power      = da830_evm_usb_get_power,
  89         .get_oci        = da830_evm_usb_get_oci,
  90         .ocic_notify    = da830_evm_usb_ocic_notify,
  91
  92         /* TPS2065 switch @ 5V */
  93         .potpgt         = (3 + 1) / 2,  /* 3 ms max */
  94 };
  95
  96 static irqreturn_t da830_evm_usb_ocic_irq(int irq, void *dev_id)
  97 {
  98         da830_evm_usb_ocic_handler(&da830_evm_usb11_pdata, 1);
  99         return IRQ_HANDLED;
 100 }
 101
 102 static __init void da830_evm_usb_init(void)
 103 {
 104         u32 cfgchip2;
 105         int ret;
 106
 107         /*
 108          * Set up USB clock/mode in the CFGCHIP2 register.
 109          * FYI:  CFGCHIP2 is 0x0000ef00 initially.
 110          */
 111         cfgchip2 = __raw_readl(DA8XX_SYSCFG0_VIRT(DA8XX_CFGCHIP2_REG));
 112
 113         /* USB2.0 PHY reference clock is 24 MHz */
 114         cfgchip2 &= ~CFGCHIP2_REFFREQ;
 115         cfgchip2 |=  CFGCHIP2_REFFREQ_24MHZ;
 116
 117         /*
 118          * Select internal reference clock for USB 2.0 PHY
 119          * and use it as a clock source for USB 1.1 PHY
 120          * (this is the default setting anyway).
 121          */
 122         cfgchip2 &= ~CFGCHIP2_USB1PHYCLKMUX;
 123         cfgchip2 |=  CFGCHIP2_USB2PHYCLKMUX;
 124
 125         /*
 126          * We have to override VBUS/ID signals when MUSB is configured into the
 127          * host-only mode -- ID pin will float if no cable is connected, so the
 128          * controller won't be able to drive VBUS thinking that it's a B-device.
 129          * Otherwise, we want to use the OTG mode and enable VBUS comparators.
 130          */
 131         cfgchip2 &= ~CFGCHIP2_OTGMODE;
 132 #ifdef  CONFIG_USB_MUSB_HOST
 133         cfgchip2 |=  CFGCHIP2_FORCE_HOST;
 134 #else
 135         cfgchip2 |=  CFGCHIP2_SESENDEN | CFGCHIP2_VBDTCTEN;
 136 #endif
 137
 138         __raw_writel(cfgchip2, DA8XX_SYSCFG0_VIRT(DA8XX_CFGCHIP2_REG));
 139
 140         /* USB_REFCLKIN is not used. */
 141         ret = davinci_cfg_reg(DA830_USB0_DRVVBUS);
 142         if (ret)
 143                 pr_warning("%s: USB 2.0 PinMux setup failed: %d\n",
 144                            __func__, ret);
 145         else {
 146                 /*
 147                  * TPS2065 switch @ 5V supplies 1 A (sustains 1.5 A),
 148                  * with the power on to power good time of 3 ms.
 149                  */
 150                 ret = da8xx_register_usb20(1000, 3);
 151                 if (ret)
 152                         pr_warning("%s: USB 2.0 registration failed: %d\n",
 153                                    __func__, ret);
 154         }
 155
 156         ret = davinci_cfg_reg_list(da830_evm_usb11_pins);
 157         if (ret) {
 158                 pr_warning("%s: USB 1.1 PinMux setup failed: %d\n",
 159                            __func__, ret);
 160                 return;
 161         }
 162
 163         ret = gpio_request(ON_BD_USB_DRV, "ON_BD_USB_DRV");
 164         if (ret) {
 165                 printk(KERN_ERR "%s: failed to request GPIO for USB 1.1 port "
 166                        "power control: %d\n", __func__, ret);
 167                 return;
 168         }
 169         gpio_direction_output(ON_BD_USB_DRV, 0);
 170
 171         ret = gpio_request(ON_BD_USB_OVC, "ON_BD_USB_OVC");
 172         if (ret) {
 173                 printk(KERN_ERR "%s: failed to request GPIO for USB 1.1 port "
 174                        "over-current indicator: %d\n", __func__, ret);
 175                 return;
 176         }
 177         gpio_direction_input(ON_BD_USB_OVC);
 178
 179         ret = da8xx_register_usb11(&da830_evm_usb11_pdata);
 180         if (ret)
 181                 pr_warning("%s: USB 1.1 registration failed: %d\n",
 182                            __func__, ret);
 183 }
 184
 185 static struct davinci_uart_config da830_evm_uart_config __initdata = {
 186         .enabled_uarts = 0x7,
 187 };
 188
 189 static const short da830_evm_mcasp1_pins[] = {
 190         DA830_AHCLKX1, DA830_ACLKX1, DA830_AFSX1, DA830_AHCLKR1, DA830_AFSR1,
 191         DA830_AMUTE1, DA830_AXR1_0, DA830_AXR1_1, DA830_AXR1_2, DA830_AXR1_5,
 192         DA830_ACLKR1, DA830_AXR1_6, DA830_AXR1_7, DA830_AXR1_8, DA830_AXR1_10,
 193         DA830_AXR1_11,
 194         -1
 195 };
 196
 197 static u8 da830_iis_serializer_direction[] = {
 198         RX_MODE,        INACTIVE_MODE,  INACTIVE_MODE,  INACTIVE_MODE,
 199         INACTIVE_MODE,  TX_MODE,        INACTIVE_MODE,  INACTIVE_MODE,
 200         INACTIVE_MODE,  INACTIVE_MODE,  INACTIVE_MODE,  INACTIVE_MODE,
 201 };
 202
 203 static struct snd_platform_data da830_evm_snd_data = {
 204         .tx_dma_offset  = 0x2000,
 205         .rx_dma_offset  = 0x2000,
 206         .op_mode        = DAVINCI_MCASP_IIS_MODE,
 207         .num_serializer = ARRAY_SIZE(da830_iis_serializer_direction),
 208         .tdm_slots      = 2,
 209         .serial_dir     = da830_iis_serializer_direction,
 210         .asp_chan_q     = EVENTQ_0,
 211         .version        = MCASP_VERSION_2,
 212         .txnumevt       = 1,
 213         .rxnumevt       = 1,
 214 };
 215
 216 /*
 217  * GPIO2[1] is used as MMC_SD_WP and GPIO2[2] as MMC_SD_INS.
 218  */
 219 static const short da830_evm_mmc_sd_pins[] = {
 220         DA830_MMCSD_DAT_0, DA830_MMCSD_DAT_1, DA830_MMCSD_DAT_2,
 221         DA830_MMCSD_DAT_3, DA830_MMCSD_DAT_4, DA830_MMCSD_DAT_5,
 222         DA830_MMCSD_DAT_6, DA830_MMCSD_DAT_7, DA830_MMCSD_CLK,
 223         DA830_MMCSD_CMD,   DA830_GPIO2_1,     DA830_GPIO2_2,
 224         -1
 225 };
 226
 227 #define DA830_MMCSD_WP_PIN              GPIO_TO_PIN(2, 1)
 228 #define DA830_MMCSD_CD_PIN              GPIO_TO_PIN(2, 2)
 229
 230 static int da830_evm_mmc_get_ro(int index)
 231 {
 232         return gpio_get_value(DA830_MMCSD_WP_PIN);
 233 }
 234
 235 static int da830_evm_mmc_get_cd(int index)
 236 {
 237         return !gpio_get_value(DA830_MMCSD_CD_PIN);
 238 }
 239
 240 static struct davinci_mmc_config da830_evm_mmc_config = {
 241         .get_ro                 = da830_evm_mmc_get_ro,
 242         .get_cd                 = da830_evm_mmc_get_cd,
 243         .wires                  = 8,
 244         .max_freq               = 50000000,
 245         .caps                   = MMC_CAP_MMC_HIGHSPEED | MMC_CAP_SD_HIGHSPEED,
 246         .version                = MMC_CTLR_VERSION_2,
 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 #if defined(CONFIG_MMC_DAVINCI) || defined(CONFIG_MMC_DAVINCI_MODULE)
 299 #define HAS_MMC 1
 300 #else
 301 #define HAS_MMC 0
 302 #endif
 303
 304 #ifdef CONFIG_DA830_UI_NAND
 305 static struct mtd_partition da830_evm_nand_partitions[] = {
 306         /* bootloader (U-Boot, etc) in first sector */
 307         [0] = {
 308                 .name           = "bootloader",
 309                 .offset         = 0,
 310                 .size           = SZ_128K,
 311                 .mask_flags     = MTD_WRITEABLE,        /* force read-only */
 312         },
 313         /* bootloader params in the next sector */
 314         [1] = {
 315                 .name           = "params",
 316                 .offset         = MTDPART_OFS_APPEND,
 317                 .size           = SZ_128K,
 318                 .mask_flags     = MTD_WRITEABLE,        /* force read-only */
 319         },
 320         /* kernel */
 321         [2] = {
 322                 .name           = "kernel",
 323                 .offset         = MTDPART_OFS_APPEND,
 324                 .size           = SZ_2M,
 325                 .mask_flags     = 0,
 326         },
 327         /* file system */
 328         [3] = {
 329                 .name           = "filesystem",
 330                 .offset         = MTDPART_OFS_APPEND,
 331                 .size           = MTDPART_SIZ_FULL,
 332                 .mask_flags     = 0,
 333         }
 334 };
 335
 336 /* flash bbt decriptors */
 337 static uint8_t da830_evm_nand_bbt_pattern[] = { 'B', 'b', 't', '0' };
 338 static uint8_t da830_evm_nand_mirror_pattern[] = { '1', 't', 'b', 'B' };
 339
 340 static struct nand_bbt_descr da830_evm_nand_bbt_main_descr = {
 341         .options        = NAND_BBT_LASTBLOCK | NAND_BBT_CREATE |
 342                           NAND_BBT_WRITE | NAND_BBT_2BIT |
 343                           NAND_BBT_VERSION | NAND_BBT_PERCHIP,
 344         .offs           = 2,
 345         .len            = 4,
 346         .veroffs        = 16,
 347         .maxblocks      = 4,
 348         .pattern        = da830_evm_nand_bbt_pattern
 349 };
 350
 351 static struct nand_bbt_descr da830_evm_nand_bbt_mirror_descr = {
 352         .options        = NAND_BBT_LASTBLOCK | NAND_BBT_CREATE |
 353                           NAND_BBT_WRITE | NAND_BBT_2BIT |
 354                           NAND_BBT_VERSION | NAND_BBT_PERCHIP,
 355         .offs           = 2,
 356         .len            = 4,
 357         .veroffs        = 16,
 358         .maxblocks      = 4,
 359         .pattern        = da830_evm_nand_mirror_pattern
 360 };
 361
 362 static struct davinci_aemif_timing da830_evm_nandflash_timing = {
 363         .wsetup         = 24,
 364         .wstrobe        = 21,
 365         .whold          = 14,
 366         .rsetup         = 19,
 367         .rstrobe        = 50,
 368         .rhold          = 0,
 369         .ta             = 20,
 370 };
 371
 372 static struct davinci_nand_pdata da830_evm_nand_pdata = {
 373         .parts          = da830_evm_nand_partitions,
 374         .nr_parts       = ARRAY_SIZE(da830_evm_nand_partitions),
 375         .ecc_mode       = NAND_ECC_HW,
 376         .ecc_bits       = 4,
 377         .options        = NAND_USE_FLASH_BBT,
 378         .bbt_td         = &da830_evm_nand_bbt_main_descr,
 379         .bbt_md         = &da830_evm_nand_bbt_mirror_descr,
 380         .timing         = &da830_evm_nandflash_timing,
 381 };
 382
 383 static struct resource da830_evm_nand_resources[] = {
 384         [0] = {         /* First memory resource is NAND I/O window */
 385                 .start  = DA8XX_AEMIF_CS3_BASE,
 386                 .end    = DA8XX_AEMIF_CS3_BASE + PAGE_SIZE - 1,
 387                 .flags  = IORESOURCE_MEM,
 388         },
 389         [1] = {         /* Second memory resource is AEMIF control registers */
 390                 .start  = DA8XX_AEMIF_CTL_BASE,
 391                 .end    = DA8XX_AEMIF_CTL_BASE + SZ_32K - 1,
 392                 .flags  = IORESOURCE_MEM,
 393         },
 394 };
 395
 396 static struct platform_device da830_evm_nand_device = {
 397         .name           = "davinci_nand",
 398         .id             = 1,
 399         .dev            = {
 400                 .platform_data  = &da830_evm_nand_pdata,
 401         },
 402         .num_resources  = ARRAY_SIZE(da830_evm_nand_resources),
 403         .resource       = da830_evm_nand_resources,
 404 };
 405
 406 static inline void da830_evm_init_nand(int mux_mode)
 407 {
 408         int ret;
 409
 410         if (HAS_MMC) {
 411                 pr_warning("WARNING: both MMC/SD and NAND are "
 412                                 "enabled, but they share AEMIF pins.\n"
 413                                 "\tDisable MMC/SD for NAND support.\n");
 414                 return;
 415         }
 416
 417         ret = davinci_cfg_reg_list(da830_evm_emif25_pins);
 418         if (ret)
 419                 pr_warning("da830_evm_init: emif25 mux setup failed: %d\n",
 420                                 ret);
 421
 422         ret = platform_device_register(&da830_evm_nand_device);
 423         if (ret)
 424                 pr_warning("da830_evm_init: NAND device not registered.\n");
 425
 426         gpio_direction_output(mux_mode, 1);
 427 }
 428 #else
 429 static inline void da830_evm_init_nand(int mux_mode) { }
 430 #endif
 431
 432 #ifdef CONFIG_DA830_UI_LCD
 433 static inline void da830_evm_init_lcdc(int mux_mode)
 434 {
 435         int ret;
 436
 437         ret = davinci_cfg_reg_list(da830_lcdcntl_pins);
 438         if (ret)
 439                 pr_warning("da830_evm_init: lcdcntl mux setup failed: %d\n",
 440                                 ret);
 441
 442         ret = da8xx_register_lcdc(&sharp_lcd035q3dg01_pdata);
 443         if (ret)
 444                 pr_warning("da830_evm_init: lcd setup failed: %d\n", ret);
 445
 446         gpio_direction_output(mux_mode, 0);
 447 }
 448 #else
 449 static inline void da830_evm_init_lcdc(int mux_mode) { }
 450 #endif
 451
 452 static struct at24_platform_data da830_evm_i2c_eeprom_info = {
 453         .byte_len       = SZ_256K / 8,
 454         .page_size      = 64,
 455         .flags          = AT24_FLAG_ADDR16,
 456         .setup          = davinci_get_mac_addr,
 457         .context        = (void *)0x7f00,
 458 };
 459
 460 static int __init da830_evm_ui_expander_setup(struct i2c_client *client,
 461                 int gpio, unsigned ngpio, void *context)
 462 {
 463         gpio_request(gpio + 6, "UI MUX_MODE");
 464
 465         /* Drive mux mode low to match the default without UI card */
 466         gpio_direction_output(gpio + 6, 0);
 467
 468         da830_evm_init_lcdc(gpio + 6);
 469
 470         da830_evm_init_nand(gpio + 6);
 471
 472         return 0;
 473 }
 474
 475 static int da830_evm_ui_expander_teardown(struct i2c_client *client, int gpio,
 476                 unsigned ngpio, void *context)
 477 {
 478         gpio_free(gpio + 6);
 479         return 0;
 480 }
 481
 482 static struct pcf857x_platform_data __initdata da830_evm_ui_expander_info = {
 483         .gpio_base      = DAVINCI_N_GPIO,
 484         .setup          = da830_evm_ui_expander_setup,
 485         .teardown       = da830_evm_ui_expander_teardown,
 486 };
 487
 488 static struct i2c_board_info __initdata da830_evm_i2c_devices[] = {
 489         {
 490                 I2C_BOARD_INFO("24c256", 0x50),
 491                 .platform_data  = &da830_evm_i2c_eeprom_info,
 492         },
 493         {
 494                 I2C_BOARD_INFO("tlv320aic3x", 0x18),
 495         },
 496         {
 497                 I2C_BOARD_INFO("pcf8574", 0x3f),
 498                 .platform_data  = &da830_evm_ui_expander_info,
 499         },
 500 };
 501
 502 static struct davinci_i2c_platform_data da830_evm_i2c_0_pdata = {
 503         .bus_freq       = 100,  /* kHz */
 504         .bus_delay      = 0,    /* usec */
 505 };
 506
 507 /*
 508  * The following EDMA channels/slots are not being used by drivers (for
 509  * example: Timer, GPIO, UART events etc) on da830/omap-l137 EVM, hence
 510  * they are being reserved for codecs on the DSP side.
 511  */
 512 static const s16 da830_dma_rsv_chans[][2] = {
 513         /* (offset, number) */
 514         { 8,  2},
 515         {12,  2},
 516         {24,  4},
 517         {30,  2},
 518         {-1, -1}
 519 };
 520
 521 static const s16 da830_dma_rsv_slots[][2] = {
 522         /* (offset, number) */
 523         { 8,  2},
 524         {12,  2},
 525         {24,  4},
 526         {30, 26},
 527         {-1, -1}
 528 };
 529
 530 static struct edma_rsv_info da830_edma_rsv[] = {
 531         {
 532                 .rsv_chans      = da830_dma_rsv_chans,
 533                 .rsv_slots      = da830_dma_rsv_slots,
 534         },
 535 };
 536
 537 static __init void da830_evm_init(void)
 538 {
 539         struct davinci_soc_info *soc_info = &davinci_soc_info;
 540         int ret;
 541
 542         ret = da830_register_edma(da830_edma_rsv);
 543         if (ret)
 544                 pr_warning("da830_evm_init: edma registration failed: %d\n",
 545                                 ret);
 546
 547         ret = davinci_cfg_reg_list(da830_i2c0_pins);
 548         if (ret)
 549                 pr_warning("da830_evm_init: i2c0 mux setup failed: %d\n",
 550                                 ret);
 551
 552         ret = da8xx_register_i2c(0, &da830_evm_i2c_0_pdata);
 553         if (ret)
 554                 pr_warning("da830_evm_init: i2c0 registration failed: %d\n",
 555                                 ret);
 556
 557         da830_evm_usb_init();
 558
 559         soc_info->emac_pdata->rmii_en = 1;
 560         soc_info->emac_pdata->phy_id = DA830_EVM_PHY_ID;
 561
 562         ret = davinci_cfg_reg_list(da830_cpgmac_pins);
 563         if (ret)
 564                 pr_warning("da830_evm_init: cpgmac mux setup failed: %d\n",
 565                                 ret);
 566
 567         ret = da8xx_register_emac();
 568         if (ret)
 569                 pr_warning("da830_evm_init: emac registration failed: %d\n",
 570                                 ret);
 571
 572         ret = da8xx_register_watchdog();
 573         if (ret)
 574                 pr_warning("da830_evm_init: watchdog registration failed: %d\n",
 575                                 ret);
 576
 577         davinci_serial_init(&da830_evm_uart_config);
 578         i2c_register_board_info(1, da830_evm_i2c_devices,
 579                         ARRAY_SIZE(da830_evm_i2c_devices));
 580
 581         ret = davinci_cfg_reg_list(da830_evm_mcasp1_pins);
 582         if (ret)
 583                 pr_warning("da830_evm_init: mcasp1 mux setup failed: %d\n",
 584                                 ret);
 585
 586         da8xx_register_mcasp(1, &da830_evm_snd_data);
 587
 588         da830_evm_init_mmc();
 589
 590         ret = da8xx_register_rtc();
 591         if (ret)
 592                 pr_warning("da830_evm_init: rtc setup failed: %d\n", ret);
 593 }
 594
 595 #ifdef CONFIG_SERIAL_8250_CONSOLE
 596 static int __init da830_evm_console_init(void)
 597 {
 598         if (!machine_is_davinci_da830_evm())
 599                 return 0;
 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         .boot_params    = (DA8XX_DDR_BASE + 0x100),
 613         .map_io         = da830_evm_map_io,
 614         .init_irq       = cp_intc_init,
 615         .timer          = &davinci_timer,
 616         .init_machine   = da830_evm_init,
 617 MACHINE_END