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   1 /*
   2  * TI DaVinci DM646X EVM board
   3  *
   4  * Derived from: arch/arm/mach-davinci/board-evm.c
   5  * Copyright (C) 2006 Texas Instruments.
   6  *
   7  * (C) 2007-2008, MontaVista Software, Inc.
   8  *
   9  * This file is licensed under the terms of the GNU General Public License
  10  * version 2. This program is licensed "as is" without any warranty of any
  11  * kind, whether express or implied.
  12  *
  13  */
  14
  15 /**************************************************************************
  16  * Included Files
  17  **************************************************************************/
  18
  19 #include <linux/kernel.h>
  20 #include <linux/module.h>
  21 #include <linux/init.h>
  22 #include <linux/fs.h>
  23 #include <linux/major.h>
  24 #include <linux/root_dev.h>
  25 #include <linux/dma-mapping.h>
  26 #include <linux/serial.h>
  27 #include <linux/serial_8250.h>
  28 #include <linux/leds.h>
  29 #include <linux/gpio.h>
  30 #include <linux/io.h>
  31 #include <linux/platform_device.h>
  32 #include <linux/i2c.h>
  33 #include <linux/i2c/at24.h>
  34 #include <linux/i2c/pcf857x.h>
  35 #include <linux/etherdevice.h>
  36
  37 #include <media/tvp514x.h>
  38
  39 #include <asm/setup.h>
  40 #include <asm/mach-types.h>
  41 #include <asm/mach/arch.h>
  42 #include <asm/mach/map.h>
  43 #include <asm/mach/flash.h>
  44
  45 #include <mach/dm646x.h>
  46 #include <mach/common.h>
  47 #include <mach/psc.h>
  48 #include <mach/serial.h>
  49 #include <mach/i2c.h>
  50 #include <mach/mmc.h>
  51 #include <mach/emac.h>
  52
  53 #if defined(CONFIG_BLK_DEV_PALMCHIP_BK3710) || \
  54     defined(CONFIG_BLK_DEV_PALMCHIP_BK3710_MODULE)
  55 #define HAS_ATA 1
  56 #else
  57 #define HAS_ATA 0
  58 #endif
  59
  60 /* CPLD Register 0 bits to control ATA */
  61 #define DM646X_EVM_ATA_RST              BIT(0)
  62 #define DM646X_EVM_ATA_PWD              BIT(1)
  63
  64 #define DM646X_EVM_PHY_MASK             (0x2)
  65 #define DM646X_EVM_MDIO_FREQUENCY       (2200000) /* PHY bus frequency */
  66
  67 #define VIDCLKCTL_OFFSET        (DAVINCI_SYSTEM_MODULE_BASE + 0x38)
  68 #define VSCLKDIS_OFFSET         (DAVINCI_SYSTEM_MODULE_BASE + 0x6c)
  69 #define VCH2CLK_MASK            (BIT_MASK(10) | BIT_MASK(9) | BIT_MASK(8))
  70 #define VCH2CLK_SYSCLK8         (BIT(9))
  71 #define VCH2CLK_AUXCLK          (BIT(9) | BIT(8))
  72 #define VCH3CLK_MASK            (BIT_MASK(14) | BIT_MASK(13) | BIT_MASK(12))
  73 #define VCH3CLK_SYSCLK8         (BIT(13))
  74 #define VCH3CLK_AUXCLK          (BIT(14) | BIT(13))
  75
  76 #define VIDCH2CLK               (BIT(10))
  77 #define VIDCH3CLK               (BIT(11))
  78 #define VIDCH1CLK               (BIT(4))
  79 #define TVP7002_INPUT           (BIT(4))
  80 #define TVP5147_INPUT           (~BIT(4))
  81 #define VPIF_INPUT_ONE_CHANNEL  (BIT(5))
  82 #define VPIF_INPUT_TWO_CHANNEL  (~BIT(5))
  83 #define TVP5147_CH0             "tvp514x-0"
  84 #define TVP5147_CH1             "tvp514x-1"
  85
  86 static void __iomem *vpif_vidclkctl_reg;
  87 static void __iomem *vpif_vsclkdis_reg;
  88 /* spin lock for updating above registers */
  89 static spinlock_t vpif_reg_lock;
  90
  91 static struct davinci_uart_config uart_config __initdata = {
  92         .enabled_uarts = (1 << 0),
  93 };
  94
  95 /* CPLD Register 0 Client: used for I/O Control */
  96 static int cpld_reg0_probe(struct i2c_client *client,
  97                            const struct i2c_device_id *id)
  98 {
  99         if (HAS_ATA) {
 100                 u8 data;
 101                 struct i2c_msg msg[2] = {
 102                         {
 103                                 .addr = client->addr,
 104                                 .flags = I2C_M_RD,
 105                                 .len = 1,
 106                                 .buf = &data,
 107                         },
 108                         {
 109                                 .addr = client->addr,
 110                                 .flags = 0,
 111                                 .len = 1,
 112                                 .buf = &data,
 113                         },
 114                 };
 115
 116                 /* Clear ATA_RSTn and ATA_PWD bits to enable ATA operation. */
 117                 i2c_transfer(client->adapter, msg, 1);
 118                 data &= ~(DM646X_EVM_ATA_RST | DM646X_EVM_ATA_PWD);
 119                 i2c_transfer(client->adapter, msg + 1, 1);
 120         }
 121
 122         return 0;
 123 }
 124
 125 static const struct i2c_device_id cpld_reg_ids[] = {
 126         { "cpld_reg0", 0, },
 127         { },
 128 };
 129
 130 static struct i2c_driver dm6467evm_cpld_driver = {
 131         .driver.name    = "cpld_reg0",
 132         .id_table       = cpld_reg_ids,
 133         .probe          = cpld_reg0_probe,
 134 };
 135
 136 /* LEDS */
 137
 138 static struct gpio_led evm_leds[] = {
 139         { .name = "DS1", .active_low = 1, },
 140         { .name = "DS2", .active_low = 1, },
 141         { .name = "DS3", .active_low = 1, },
 142         { .name = "DS4", .active_low = 1, },
 143 };
 144
 145 static __initconst struct gpio_led_platform_data evm_led_data = {
 146         .num_leds = ARRAY_SIZE(evm_leds),
 147         .leds     = evm_leds,
 148 };
 149
 150 static struct platform_device *evm_led_dev;
 151
 152 static int evm_led_setup(struct i2c_client *client, int gpio,
 153                         unsigned int ngpio, void *c)
 154 {
 155         struct gpio_led *leds = evm_leds;
 156         int status;
 157
 158         while (ngpio--) {
 159                 leds->gpio = gpio++;
 160                 leds++;
 161         };
 162
 163         evm_led_dev = platform_device_alloc("leds-gpio", 0);
 164         platform_device_add_data(evm_led_dev, &evm_led_data,
 165                                 sizeof(evm_led_data));
 166
 167         evm_led_dev->dev.parent = &client->dev;
 168         status = platform_device_add(evm_led_dev);
 169         if (status < 0) {
 170                 platform_device_put(evm_led_dev);
 171                 evm_led_dev = NULL;
 172         }
 173         return status;
 174 }
 175
 176 static int evm_led_teardown(struct i2c_client *client, int gpio,
 177                                 unsigned ngpio, void *c)
 178 {
 179         if (evm_led_dev) {
 180                 platform_device_unregister(evm_led_dev);
 181                 evm_led_dev = NULL;
 182         }
 183         return 0;
 184 }
 185
 186 static int evm_sw_gpio[4] = { -EINVAL, -EINVAL, -EINVAL, -EINVAL };
 187
 188 static int evm_sw_setup(struct i2c_client *client, int gpio,
 189                         unsigned ngpio, void *c)
 190 {
 191         int status;
 192         int i;
 193         char label[10];
 194
 195         for (i = 0; i < 4; ++i) {
 196                 snprintf(label, 10, "user_sw%d", i);
 197                 status = gpio_request(gpio, label);
 198                 if (status)
 199                         goto out_free;
 200                 evm_sw_gpio[i] = gpio++;
 201
 202                 status = gpio_direction_input(evm_sw_gpio[i]);
 203                 if (status) {
 204                         gpio_free(evm_sw_gpio[i]);
 205                         evm_sw_gpio[i] = -EINVAL;
 206                         goto out_free;
 207                 }
 208
 209                 status = gpio_export(evm_sw_gpio[i], 0);
 210                 if (status) {
 211                         gpio_free(evm_sw_gpio[i]);
 212                         evm_sw_gpio[i] = -EINVAL;
 213                         goto out_free;
 214                 }
 215         }
 216         return status;
 217 out_free:
 218         for (i = 0; i < 4; ++i) {
 219                 if (evm_sw_gpio[i] != -EINVAL) {
 220                         gpio_free(evm_sw_gpio[i]);
 221                         evm_sw_gpio[i] = -EINVAL;
 222                 }
 223         }
 224         return status;
 225 }
 226
 227 static int evm_sw_teardown(struct i2c_client *client, int gpio,
 228                         unsigned ngpio, void *c)
 229 {
 230         int i;
 231
 232         for (i = 0; i < 4; ++i) {
 233                 if (evm_sw_gpio[i] != -EINVAL) {
 234                         gpio_unexport(evm_sw_gpio[i]);
 235                         gpio_free(evm_sw_gpio[i]);
 236                         evm_sw_gpio[i] = -EINVAL;
 237                 }
 238         }
 239         return 0;
 240 }
 241
 242 static int evm_pcf_setup(struct i2c_client *client, int gpio,
 243                         unsigned int ngpio, void *c)
 244 {
 245         int status;
 246
 247         if (ngpio < 8)
 248                 return -EINVAL;
 249
 250         status = evm_sw_setup(client, gpio, 4, c);
 251         if (status)
 252                 return status;
 253
 254         return evm_led_setup(client, gpio+4, 4, c);
 255 }
 256
 257 static int evm_pcf_teardown(struct i2c_client *client, int gpio,
 258                         unsigned int ngpio, void *c)
 259 {
 260         BUG_ON(ngpio < 8);
 261
 262         evm_sw_teardown(client, gpio, 4, c);
 263         evm_led_teardown(client, gpio+4, 4, c);
 264
 265         return 0;
 266 }
 267
 268 static struct pcf857x_platform_data pcf_data = {
 269         .gpio_base      = DAVINCI_N_GPIO+1,
 270         .setup          = evm_pcf_setup,
 271         .teardown       = evm_pcf_teardown,
 272 };
 273
 274 /* Most of this EEPROM is unused, but U-Boot uses some data:
 275  *  - 0x7f00, 6 bytes Ethernet Address
 276  *  - ... newer boards may have more
 277  */
 278
 279 static struct at24_platform_data eeprom_info = {
 280         .byte_len       = (256*1024) / 8,
 281         .page_size      = 64,
 282         .flags          = AT24_FLAG_ADDR16,
 283         .setup          = davinci_get_mac_addr,
 284         .context        = (void *)0x7f00,
 285 };
 286
 287 static u8 dm646x_iis_serializer_direction[] = {
 288        TX_MODE, RX_MODE, INACTIVE_MODE, INACTIVE_MODE,
 289 };
 290
 291 static u8 dm646x_dit_serializer_direction[] = {
 292        TX_MODE,
 293 };
 294
 295 static struct snd_platform_data dm646x_evm_snd_data[] = {
 296         {
 297                 .tx_dma_offset  = 0x400,
 298                 .rx_dma_offset  = 0x400,
 299                 .op_mode        = DAVINCI_MCASP_IIS_MODE,
 300                 .num_serializer = ARRAY_SIZE(dm646x_iis_serializer_direction),
 301                 .tdm_slots      = 2,
 302                 .serial_dir     = dm646x_iis_serializer_direction,
 303                 .eventq_no      = EVENTQ_0,
 304         },
 305         {
 306                 .tx_dma_offset  = 0x400,
 307                 .rx_dma_offset  = 0,
 308                 .op_mode        = DAVINCI_MCASP_DIT_MODE,
 309                 .num_serializer = ARRAY_SIZE(dm646x_dit_serializer_direction),
 310                 .tdm_slots      = 32,
 311                 .serial_dir     = dm646x_dit_serializer_direction,
 312                 .eventq_no      = EVENTQ_0,
 313         },
 314 };
 315
 316 static struct i2c_client *cpld_client;
 317
 318 static int cpld_video_probe(struct i2c_client *client,
 319                         const struct i2c_device_id *id)
 320 {
 321         cpld_client = client;
 322         return 0;
 323 }
 324
 325 static int __devexit cpld_video_remove(struct i2c_client *client)
 326 {
 327         cpld_client = NULL;
 328         return 0;
 329 }
 330
 331 static const struct i2c_device_id cpld_video_id[] = {
 332         { "cpld_video", 0 },
 333         { }
 334 };
 335
 336 static struct i2c_driver cpld_video_driver = {
 337         .driver = {
 338                 .name   = "cpld_video",
 339         },
 340         .probe          = cpld_video_probe,
 341         .remove         = cpld_video_remove,
 342         .id_table       = cpld_video_id,
 343 };
 344
 345 static void evm_init_cpld(void)
 346 {
 347         i2c_add_driver(&cpld_video_driver);
 348 }
 349
 350 static struct i2c_board_info __initdata i2c_info[] =  {
 351         {
 352                 I2C_BOARD_INFO("24c256", 0x50),
 353                 .platform_data  = &eeprom_info,
 354         },
 355         {
 356                 I2C_BOARD_INFO("pcf8574a", 0x38),
 357                 .platform_data  = &pcf_data,
 358         },
 359         {
 360                 I2C_BOARD_INFO("cpld_reg0", 0x3a),
 361         },
 362         {
 363                 I2C_BOARD_INFO("tlv320aic33", 0x18),
 364         },
 365         {
 366                 I2C_BOARD_INFO("cpld_video", 0x3b),
 367         },
 368 };
 369
 370 static struct davinci_i2c_platform_data i2c_pdata = {
 371         .bus_freq       = 100 /* kHz */,
 372         .bus_delay      = 0 /* usec */,
 373 };
 374
 375 static int set_vpif_clock(int mux_mode, int hd)
 376 {
 377         unsigned long flags;
 378         unsigned int value;
 379         int val = 0;
 380         int err = 0;
 381
 382         if (!vpif_vidclkctl_reg || !vpif_vsclkdis_reg || !cpld_client)
 383                 return -ENXIO;
 384
 385         /* disable the clock */
 386         spin_lock_irqsave(&vpif_reg_lock, flags);
 387         value = __raw_readl(vpif_vsclkdis_reg);
 388         value |= (VIDCH3CLK | VIDCH2CLK);
 389         __raw_writel(value, vpif_vsclkdis_reg);
 390         spin_unlock_irqrestore(&vpif_reg_lock, flags);
 391
 392         val = i2c_smbus_read_byte(cpld_client);
 393         if (val < 0)
 394                 return val;
 395
 396         if (mux_mode == 1)
 397                 val &= ~0x40;
 398         else
 399                 val |= 0x40;
 400
 401         err = i2c_smbus_write_byte(cpld_client, val);
 402         if (err)
 403                 return err;
 404
 405         value = __raw_readl(vpif_vidclkctl_reg);
 406         value &= ~(VCH2CLK_MASK);
 407         value &= ~(VCH3CLK_MASK);
 408
 409         if (hd >= 1)
 410                 value |= (VCH2CLK_SYSCLK8 | VCH3CLK_SYSCLK8);
 411         else
 412                 value |= (VCH2CLK_AUXCLK | VCH3CLK_AUXCLK);
 413
 414         __raw_writel(value, vpif_vidclkctl_reg);
 415
 416         spin_lock_irqsave(&vpif_reg_lock, flags);
 417         value = __raw_readl(vpif_vsclkdis_reg);
 418         /* enable the clock */
 419         value &= ~(VIDCH3CLK | VIDCH2CLK);
 420         __raw_writel(value, vpif_vsclkdis_reg);
 421         spin_unlock_irqrestore(&vpif_reg_lock, flags);
 422
 423         return 0;
 424 }
 425
 426 static struct vpif_subdev_info dm646x_vpif_subdev[] = {
 427         {
 428                 .name   = "adv7343",
 429                 .board_info = {
 430                         I2C_BOARD_INFO("adv7343", 0x2a),
 431                 },
 432         },
 433         {
 434                 .name   = "ths7303",
 435                 .board_info = {
 436                         I2C_BOARD_INFO("ths7303", 0x2c),
 437                 },
 438         },
 439 };
 440
 441 static const char *output[] = {
 442         "Composite",
 443         "Component",
 444         "S-Video",
 445 };
 446
 447 static struct vpif_display_config dm646x_vpif_display_config = {
 448         .set_clock      = set_vpif_clock,
 449         .subdevinfo     = dm646x_vpif_subdev,
 450         .subdev_count   = ARRAY_SIZE(dm646x_vpif_subdev),
 451         .output         = output,
 452         .output_count   = ARRAY_SIZE(output),
 453         .card_name      = "DM646x EVM",
 454 };
 455
 456 /**
 457  * setup_vpif_input_path()
 458  * @channel: channel id (0 - CH0, 1 - CH1)
 459  * @sub_dev_name: ptr sub device name
 460  *
 461  * This will set vpif input to capture data from tvp514x or
 462  * tvp7002.
 463  */
 464 static int setup_vpif_input_path(int channel, const char *sub_dev_name)
 465 {
 466         int err = 0;
 467         int val;
 468
 469         /* for channel 1, we don't do anything */
 470         if (channel != 0)
 471                 return 0;
 472
 473         if (!cpld_client)
 474                 return -ENXIO;
 475
 476         val = i2c_smbus_read_byte(cpld_client);
 477         if (val < 0)
 478                 return val;
 479
 480         if (!strcmp(sub_dev_name, TVP5147_CH0) ||
 481             !strcmp(sub_dev_name, TVP5147_CH1))
 482                 val &= TVP5147_INPUT;
 483         else
 484                 val |= TVP7002_INPUT;
 485
 486         err = i2c_smbus_write_byte(cpld_client, val);
 487         if (err)
 488                 return err;
 489         return 0;
 490 }
 491
 492 /**
 493  * setup_vpif_input_channel_mode()
 494  * @mux_mode:  mux mode. 0 - 1 channel or (1) - 2 channel
 495  *
 496  * This will setup input mode to one channel (TVP7002) or 2 channel (TVP5147)
 497  */
 498 static int setup_vpif_input_channel_mode(int mux_mode)
 499 {
 500         unsigned long flags;
 501         int err = 0;
 502         int val;
 503         u32 value;
 504
 505         if (!vpif_vsclkdis_reg || !cpld_client)
 506                 return -ENXIO;
 507
 508         val = i2c_smbus_read_byte(cpld_client);
 509         if (val < 0)
 510                 return val;
 511
 512         spin_lock_irqsave(&vpif_reg_lock, flags);
 513         value = __raw_readl(vpif_vsclkdis_reg);
 514         if (mux_mode) {
 515                 val &= VPIF_INPUT_TWO_CHANNEL;
 516                 value |= VIDCH1CLK;
 517         } else {
 518                 val |= VPIF_INPUT_ONE_CHANNEL;
 519                 value &= ~VIDCH1CLK;
 520         }
 521         __raw_writel(value, vpif_vsclkdis_reg);
 522         spin_unlock_irqrestore(&vpif_reg_lock, flags);
 523
 524         err = i2c_smbus_write_byte(cpld_client, val);
 525         if (err)
 526                 return err;
 527
 528         return 0;
 529 }
 530
 531 static struct tvp514x_platform_data tvp5146_pdata = {
 532         .clk_polarity = 0,
 533         .hs_polarity = 1,
 534         .vs_polarity = 1
 535 };
 536
 537 #define TVP514X_STD_ALL (V4L2_STD_NTSC | V4L2_STD_PAL)
 538
 539 static struct vpif_subdev_info vpif_capture_sdev_info[] = {
 540         {
 541                 .name   = TVP5147_CH0,
 542                 .board_info = {
 543                         I2C_BOARD_INFO("tvp5146", 0x5d),
 544                         .platform_data = &tvp5146_pdata,
 545                 },
 546                 .input = INPUT_CVBS_VI2B,
 547                 .output = OUTPUT_10BIT_422_EMBEDDED_SYNC,
 548                 .can_route = 1,
 549                 .vpif_if = {
 550                         .if_type = VPIF_IF_BT656,
 551                         .hd_pol = 1,
 552                         .vd_pol = 1,
 553                         .fid_pol = 0,
 554                 },
 555         },
 556         {
 557                 .name   = TVP5147_CH1,
 558                 .board_info = {
 559                         I2C_BOARD_INFO("tvp5146", 0x5c),
 560                         .platform_data = &tvp5146_pdata,
 561                 },
 562                 .input = INPUT_SVIDEO_VI2C_VI1C,
 563                 .output = OUTPUT_10BIT_422_EMBEDDED_SYNC,
 564                 .can_route = 1,
 565                 .vpif_if = {
 566                         .if_type = VPIF_IF_BT656,
 567                         .hd_pol = 1,
 568                         .vd_pol = 1,
 569                         .fid_pol = 0,
 570                 },
 571         },
 572 };
 573
 574 static const struct vpif_input dm6467_ch0_inputs[] = {
 575         {
 576                 .input = {
 577                         .index = 0,
 578                         .name = "Composite",
 579                         .type = V4L2_INPUT_TYPE_CAMERA,
 580                         .std = TVP514X_STD_ALL,
 581                 },
 582                 .subdev_name = TVP5147_CH0,
 583         },
 584 };
 585
 586 static const struct vpif_input dm6467_ch1_inputs[] = {
 587        {
 588                 .input = {
 589                         .index = 0,
 590                         .name = "S-Video",
 591                         .type = V4L2_INPUT_TYPE_CAMERA,
 592                         .std = TVP514X_STD_ALL,
 593                 },
 594                 .subdev_name = TVP5147_CH1,
 595         },
 596 };
 597
 598 static struct vpif_capture_config dm646x_vpif_capture_cfg = {
 599         .setup_input_path = setup_vpif_input_path,
 600         .setup_input_channel_mode = setup_vpif_input_channel_mode,
 601         .subdev_info = vpif_capture_sdev_info,
 602         .subdev_count = ARRAY_SIZE(vpif_capture_sdev_info),
 603         .chan_config[0] = {
 604                 .inputs = dm6467_ch0_inputs,
 605                 .input_count = ARRAY_SIZE(dm6467_ch0_inputs),
 606         },
 607         .chan_config[1] = {
 608                 .inputs = dm6467_ch1_inputs,
 609                 .input_count = ARRAY_SIZE(dm6467_ch1_inputs),
 610         },
 611 };
 612
 613 static void __init evm_init_video(void)
 614 {
 615         vpif_vidclkctl_reg = ioremap(VIDCLKCTL_OFFSET, 4);
 616         vpif_vsclkdis_reg = ioremap(VSCLKDIS_OFFSET, 4);
 617         if (!vpif_vidclkctl_reg || !vpif_vsclkdis_reg) {
 618                 pr_err("Can't map VPIF VIDCLKCTL or VSCLKDIS registers\n");
 619                 return;
 620         }
 621         spin_lock_init(&vpif_reg_lock);
 622
 623         dm646x_setup_vpif(&dm646x_vpif_display_config,
 624                           &dm646x_vpif_capture_cfg);
 625 }
 626
 627 static void __init evm_init_i2c(void)
 628 {
 629         davinci_init_i2c(&i2c_pdata);
 630         i2c_add_driver(&dm6467evm_cpld_driver);
 631         i2c_register_board_info(1, i2c_info, ARRAY_SIZE(i2c_info));
 632         evm_init_cpld();
 633         evm_init_video();
 634 }
 635
 636 static void __init davinci_map_io(void)
 637 {
 638         dm646x_init();
 639 }
 640
 641 static __init void evm_init(void)
 642 {
 643         struct davinci_soc_info *soc_info = &davinci_soc_info;
 644
 645         evm_init_i2c();
 646         davinci_serial_init(&uart_config);
 647         dm646x_init_mcasp0(&dm646x_evm_snd_data[0]);
 648         dm646x_init_mcasp1(&dm646x_evm_snd_data[1]);
 649
 650         if (HAS_ATA)
 651                 dm646x_init_ide();
 652
 653         soc_info->emac_pdata->phy_mask = DM646X_EVM_PHY_MASK;
 654         soc_info->emac_pdata->mdio_max_freq = DM646X_EVM_MDIO_FREQUENCY;
 655 }
 656
 657 static __init void davinci_dm646x_evm_irq_init(void)
 658 {
 659         davinci_irq_init();
 660 }
 661
 662 MACHINE_START(DAVINCI_DM6467_EVM, "DaVinci DM646x EVM")
 663         .phys_io      = IO_PHYS,
 664         .io_pg_offst  = (__IO_ADDRESS(IO_PHYS) >> 18) & 0xfffc,
 665         .boot_params  = (0x80000100),
 666         .map_io       = davinci_map_io,
 667         .init_irq     = davinci_dm646x_evm_irq_init,
 668         .timer        = &davinci_timer,
 669         .init_machine = evm_init,
 670 MACHINE_END
 671