arch/arm/mach-davinci/board-dm644x-evm.c

   1 /*
   2  * TI DaVinci EVM board support
   3  *
   4  * Author: Kevin Hilman, MontaVista Software, Inc. <source@mvista.com>
   5  *
   6  * 2007 (c) MontaVista Software, Inc. This file is licensed under
   7  * the terms of the GNU General Public License version 2. This program
   8  * is licensed "as is" without any warranty of any kind, whether express
   9  * or implied.
  10  */
  11 #include <linux/kernel.h>
  12 #include <linux/init.h>
  13 #include <linux/dma-mapping.h>
  14 #include <linux/platform_device.h>
  15 #include <linux/gpio.h>
  16 #include <linux/i2c.h>
  17 #include <linux/i2c/pcf857x.h>
  18 #include <linux/platform_data/at24.h>
  19 #include <linux/mtd/mtd.h>
  20 #include <linux/mtd/nand.h>
  21 #include <linux/mtd/partitions.h>
  22 #include <linux/mtd/physmap.h>
  23 #include <linux/phy.h>
  24 #include <linux/clk.h>
  25 #include <linux/videodev2.h>
  26 #include <linux/v4l2-dv-timings.h>
  27 #include <linux/export.h>
  28
  29 #include <media/tvp514x.h>
  30
  31 #include <asm/mach-types.h>
  32 #include <asm/mach/arch.h>
  33
  34 #include <mach/common.h>
  35 #include <linux/platform_data/i2c-davinci.h>
  36 #include <mach/serial.h>
  37 #include <mach/mux.h>
  38 #include <linux/platform_data/mtd-davinci.h>
  39 #include <linux/platform_data/mmc-davinci.h>
  40 #include <linux/platform_data/usb-davinci.h>
  41 #include <linux/platform_data/mtd-davinci-aemif.h>
  42
  43 #include "davinci.h"
  44
  45 #define DM644X_EVM_PHY_ID               "davinci_mdio-0:01"
  46 #define LXT971_PHY_ID   (0x001378e2)
  47 #define LXT971_PHY_MASK (0xfffffff0)
  48
  49 static struct mtd_partition davinci_evm_norflash_partitions[] = {
  50         /* bootloader (UBL, U-Boot, etc) in first 5 sectors */
  51         {
  52                 .name           = "bootloader",
  53                 .offset         = 0,
  54                 .size           = 5 * SZ_64K,
  55                 .mask_flags     = MTD_WRITEABLE, /* force read-only */
  56         },
  57         /* bootloader params in the next 1 sectors */
  58         {
  59                 .name           = "params",
  60                 .offset         = MTDPART_OFS_APPEND,
  61                 .size           = SZ_64K,
  62                 .mask_flags     = 0,
  63         },
  64         /* kernel */
  65         {
  66                 .name           = "kernel",
  67                 .offset         = MTDPART_OFS_APPEND,
  68                 .size           = SZ_2M,
  69                 .mask_flags     = 0
  70         },
  71         /* file system */
  72         {
  73                 .name           = "filesystem",
  74                 .offset         = MTDPART_OFS_APPEND,
  75                 .size           = MTDPART_SIZ_FULL,
  76                 .mask_flags     = 0
  77         }
  78 };
  79
  80 static struct physmap_flash_data davinci_evm_norflash_data = {
  81         .width          = 2,
  82         .parts          = davinci_evm_norflash_partitions,
  83         .nr_parts       = ARRAY_SIZE(davinci_evm_norflash_partitions),
  84 };
  85
  86 /* NOTE: CFI probe will correctly detect flash part as 32M, but EMIF
  87  * limits addresses to 16M, so using addresses past 16M will wrap */
  88 static struct resource davinci_evm_norflash_resource = {
  89         .start          = DM644X_ASYNC_EMIF_DATA_CE0_BASE,
  90         .end            = DM644X_ASYNC_EMIF_DATA_CE0_BASE + SZ_16M - 1,
  91         .flags          = IORESOURCE_MEM,
  92 };
  93
  94 static struct platform_device davinci_evm_norflash_device = {
  95         .name           = "physmap-flash",
  96         .id             = 0,
  97         .dev            = {
  98                 .platform_data  = &davinci_evm_norflash_data,
  99         },
 100         .num_resources  = 1,
 101         .resource       = &davinci_evm_norflash_resource,
 102 };
 103
 104 /* DM644x EVM includes a 64 MByte small-page NAND flash (16K blocks).
 105  * It may used instead of the (default) NOR chip to boot, using TI's
 106  * tools to install the secondary boot loader (UBL) and U-Boot.
 107  */
 108 static struct mtd_partition davinci_evm_nandflash_partition[] = {
 109         /* Bootloader layout depends on whose u-boot is installed, but we
 110          * can hide all the details.
 111          *  - block 0 for u-boot environment ... in mainline u-boot
 112          *  - block 1 for UBL (plus up to four backup copies in blocks 2..5)
 113          *  - blocks 6...? for u-boot
 114          *  - blocks 16..23 for u-boot environment ... in TI's u-boot
 115          */
 116         {
 117                 .name           = "bootloader",
 118                 .offset         = 0,
 119                 .size           = SZ_256K + SZ_128K,
 120                 .mask_flags     = MTD_WRITEABLE,        /* force read-only */
 121         },
 122         /* Kernel */
 123         {
 124                 .name           = "kernel",
 125                 .offset         = MTDPART_OFS_APPEND,
 126                 .size           = SZ_4M,
 127                 .mask_flags     = 0,
 128         },
 129         /* File system (older GIT kernels started this on the 5MB mark) */
 130         {
 131                 .name           = "filesystem",
 132                 .offset         = MTDPART_OFS_APPEND,
 133                 .size           = MTDPART_SIZ_FULL,
 134                 .mask_flags     = 0,
 135         }
 136         /* A few blocks at end hold a flash BBT ... created by TI's CCS
 137          * using flashwriter_nand.out, but ignored by TI's versions of
 138          * Linux and u-boot.  We boot faster by using them.
 139          */
 140 };
 141
 142 static struct davinci_aemif_timing davinci_evm_nandflash_timing = {
 143         .wsetup         = 20,
 144         .wstrobe        = 40,
 145         .whold          = 20,
 146         .rsetup         = 10,
 147         .rstrobe        = 40,
 148         .rhold          = 10,
 149         .ta             = 40,
 150 };
 151
 152 static struct davinci_nand_pdata davinci_evm_nandflash_data = {
 153         .parts          = davinci_evm_nandflash_partition,
 154         .nr_parts       = ARRAY_SIZE(davinci_evm_nandflash_partition),
 155         .ecc_mode       = NAND_ECC_HW,
 156         .ecc_bits       = 1,
 157         .bbt_options    = NAND_BBT_USE_FLASH,
 158         .timing         = &davinci_evm_nandflash_timing,
 159 };
 160
 161 static struct resource davinci_evm_nandflash_resource[] = {
 162         {
 163                 .start          = DM644X_ASYNC_EMIF_DATA_CE0_BASE,
 164                 .end            = DM644X_ASYNC_EMIF_DATA_CE0_BASE + SZ_16M - 1,
 165                 .flags          = IORESOURCE_MEM,
 166         }, {
 167                 .start          = DM644X_ASYNC_EMIF_CONTROL_BASE,
 168                 .end            = DM644X_ASYNC_EMIF_CONTROL_BASE + SZ_4K - 1,
 169                 .flags          = IORESOURCE_MEM,
 170         },
 171 };
 172
 173 static struct platform_device davinci_evm_nandflash_device = {
 174         .name           = "davinci_nand",
 175         .id             = 0,
 176         .dev            = {
 177                 .platform_data  = &davinci_evm_nandflash_data,
 178         },
 179         .num_resources  = ARRAY_SIZE(davinci_evm_nandflash_resource),
 180         .resource       = davinci_evm_nandflash_resource,
 181 };
 182
 183 static u64 davinci_fb_dma_mask = DMA_BIT_MASK(32);
 184
 185 static struct platform_device davinci_fb_device = {
 186         .name           = "davincifb",
 187         .id             = -1,
 188         .dev = {
 189                 .dma_mask               = &davinci_fb_dma_mask,
 190                 .coherent_dma_mask      = DMA_BIT_MASK(32),
 191         },
 192         .num_resources = 0,
 193 };
 194
 195 static struct tvp514x_platform_data dm644xevm_tvp5146_pdata = {
 196         .clk_polarity = 0,
 197         .hs_polarity = 1,
 198         .vs_polarity = 1
 199 };
 200
 201 #define TVP514X_STD_ALL (V4L2_STD_NTSC | V4L2_STD_PAL)
 202 /* Inputs available at the TVP5146 */
 203 static struct v4l2_input dm644xevm_tvp5146_inputs[] = {
 204         {
 205                 .index = 0,
 206                 .name = "Composite",
 207                 .type = V4L2_INPUT_TYPE_CAMERA,
 208                 .std = TVP514X_STD_ALL,
 209         },
 210         {
 211                 .index = 1,
 212                 .name = "S-Video",
 213                 .type = V4L2_INPUT_TYPE_CAMERA,
 214                 .std = TVP514X_STD_ALL,
 215         },
 216 };
 217
 218 /*
 219  * this is the route info for connecting each input to decoder
 220  * ouput that goes to vpfe. There is a one to one correspondence
 221  * with tvp5146_inputs
 222  */
 223 static struct vpfe_route dm644xevm_tvp5146_routes[] = {
 224         {
 225                 .input = INPUT_CVBS_VI2B,
 226                 .output = OUTPUT_10BIT_422_EMBEDDED_SYNC,
 227         },
 228         {
 229                 .input = INPUT_SVIDEO_VI2C_VI1C,
 230                 .output = OUTPUT_10BIT_422_EMBEDDED_SYNC,
 231         },
 232 };
 233
 234 static struct vpfe_subdev_info dm644xevm_vpfe_sub_devs[] = {
 235         {
 236                 .name = "tvp5146",
 237                 .grp_id = 0,
 238                 .num_inputs = ARRAY_SIZE(dm644xevm_tvp5146_inputs),
 239                 .inputs = dm644xevm_tvp5146_inputs,
 240                 .routes = dm644xevm_tvp5146_routes,
 241                 .can_route = 1,
 242                 .ccdc_if_params = {
 243                         .if_type = VPFE_BT656,
 244                         .hdpol = VPFE_PINPOL_POSITIVE,
 245                         .vdpol = VPFE_PINPOL_POSITIVE,
 246                 },
 247                 .board_info = {
 248                         I2C_BOARD_INFO("tvp5146", 0x5d),
 249                         .platform_data = &dm644xevm_tvp5146_pdata,
 250                 },
 251         },
 252 };
 253
 254 static struct vpfe_config dm644xevm_capture_cfg = {
 255         .num_subdevs = ARRAY_SIZE(dm644xevm_vpfe_sub_devs),
 256         .i2c_adapter_id = 1,
 257         .sub_devs = dm644xevm_vpfe_sub_devs,
 258         .card_name = "DM6446 EVM",
 259         .ccdc = "DM6446 CCDC",
 260 };
 261
 262 static struct platform_device rtc_dev = {
 263         .name           = "rtc_davinci_evm",
 264         .id             = -1,
 265 };
 266
 267 static struct snd_platform_data dm644x_evm_snd_data;
 268
 269 /*----------------------------------------------------------------------*/
 270
 271 /*
 272  * I2C GPIO expanders
 273  */
 274
 275 #define PCF_Uxx_BASE(x) (DAVINCI_N_GPIO + ((x) * 8))
 276
 277
 278 /* U2 -- LEDs */
 279
 280 static struct gpio_led evm_leds[] = {
 281         { .name = "DS8", .active_low = 1,
 282                 .default_trigger = "heartbeat", },
 283         { .name = "DS7", .active_low = 1, },
 284         { .name = "DS6", .active_low = 1, },
 285         { .name = "DS5", .active_low = 1, },
 286         { .name = "DS4", .active_low = 1, },
 287         { .name = "DS3", .active_low = 1, },
 288         { .name = "DS2", .active_low = 1,
 289                 .default_trigger = "mmc0", },
 290         { .name = "DS1", .active_low = 1,
 291                 .default_trigger = "ide-disk", },
 292 };
 293
 294 static const struct gpio_led_platform_data evm_led_data = {
 295         .num_leds       = ARRAY_SIZE(evm_leds),
 296         .leds           = evm_leds,
 297 };
 298
 299 static struct platform_device *evm_led_dev;
 300
 301 static int
 302 evm_led_setup(struct i2c_client *client, int gpio, unsigned ngpio, void *c)
 303 {
 304         struct gpio_led *leds = evm_leds;
 305         int status;
 306
 307         while (ngpio--) {
 308                 leds->gpio = gpio++;
 309                 leds++;
 310         }
 311
 312         /* what an extremely annoying way to be forced to handle
 313          * device unregistration ...
 314          */
 315         evm_led_dev = platform_device_alloc("leds-gpio", 0);
 316         platform_device_add_data(evm_led_dev,
 317                         &evm_led_data, sizeof evm_led_data);
 318
 319         evm_led_dev->dev.parent = &client->dev;
 320         status = platform_device_add(evm_led_dev);
 321         if (status < 0) {
 322                 platform_device_put(evm_led_dev);
 323                 evm_led_dev = NULL;
 324         }
 325         return status;
 326 }
 327
 328 static int
 329 evm_led_teardown(struct i2c_client *client, int gpio, unsigned ngpio, void *c)
 330 {
 331         if (evm_led_dev) {
 332                 platform_device_unregister(evm_led_dev);
 333                 evm_led_dev = NULL;
 334         }
 335         return 0;
 336 }
 337
 338 static struct pcf857x_platform_data pcf_data_u2 = {
 339         .gpio_base      = PCF_Uxx_BASE(0),
 340         .setup          = evm_led_setup,
 341         .teardown       = evm_led_teardown,
 342 };
 343
 344
 345 /* U18 - A/V clock generator and user switch */
 346
 347 static int sw_gpio;
 348
 349 static ssize_t
 350 sw_show(struct device *d, struct device_attribute *a, char *buf)
 351 {
 352         char *s = gpio_get_value_cansleep(sw_gpio) ? "on\n" : "off\n";
 353
 354         strcpy(buf, s);
 355         return strlen(s);
 356 }
 357
 358 static DEVICE_ATTR(user_sw, S_IRUGO, sw_show, NULL);
 359
 360 static int
 361 evm_u18_setup(struct i2c_client *client, int gpio, unsigned ngpio, void *c)
 362 {
 363         int     status;
 364
 365         /* export dip switch option */
 366         sw_gpio = gpio + 7;
 367         status = gpio_request(sw_gpio, "user_sw");
 368         if (status == 0)
 369                 status = gpio_direction_input(sw_gpio);
 370         if (status == 0)
 371                 status = device_create_file(&client->dev, &dev_attr_user_sw);
 372         else
 373                 gpio_free(sw_gpio);
 374         if (status != 0)
 375                 sw_gpio = -EINVAL;
 376
 377         /* audio PLL:  48 kHz (vs 44.1 or 32), single rate (vs double) */
 378         gpio_request(gpio + 3, "pll_fs2");
 379         gpio_direction_output(gpio + 3, 0);
 380
 381         gpio_request(gpio + 2, "pll_fs1");
 382         gpio_direction_output(gpio + 2, 0);
 383
 384         gpio_request(gpio + 1, "pll_sr");
 385         gpio_direction_output(gpio + 1, 0);
 386
 387         return 0;
 388 }
 389
 390 static int
 391 evm_u18_teardown(struct i2c_client *client, int gpio, unsigned ngpio, void *c)
 392 {
 393         gpio_free(gpio + 1);
 394         gpio_free(gpio + 2);
 395         gpio_free(gpio + 3);
 396
 397         if (sw_gpio > 0) {
 398                 device_remove_file(&client->dev, &dev_attr_user_sw);
 399                 gpio_free(sw_gpio);
 400         }
 401         return 0;
 402 }
 403
 404 static struct pcf857x_platform_data pcf_data_u18 = {
 405         .gpio_base      = PCF_Uxx_BASE(1),
 406         .n_latch        = (1 << 3) | (1 << 2) | (1 << 1),
 407         .setup          = evm_u18_setup,
 408         .teardown       = evm_u18_teardown,
 409 };
 410
 411
 412 /* U35 - various I/O signals used to manage USB, CF, ATA, etc */
 413
 414 static int
 415 evm_u35_setup(struct i2c_client *client, int gpio, unsigned ngpio, void *c)
 416 {
 417         /* p0 = nDRV_VBUS (initial:  don't supply it) */
 418         gpio_request(gpio + 0, "nDRV_VBUS");
 419         gpio_direction_output(gpio + 0, 1);
 420
 421         /* p1 = VDDIMX_EN */
 422         gpio_request(gpio + 1, "VDDIMX_EN");
 423         gpio_direction_output(gpio + 1, 1);
 424
 425         /* p2 = VLYNQ_EN */
 426         gpio_request(gpio + 2, "VLYNQ_EN");
 427         gpio_direction_output(gpio + 2, 1);
 428
 429         /* p3 = n3V3_CF_RESET (initial: stay in reset) */
 430         gpio_request(gpio + 3, "nCF_RESET");
 431         gpio_direction_output(gpio + 3, 0);
 432
 433         /* (p4 unused) */
 434
 435         /* p5 = 1V8_WLAN_RESET (initial: stay in reset) */
 436         gpio_request(gpio + 5, "WLAN_RESET");
 437         gpio_direction_output(gpio + 5, 1);
 438
 439         /* p6 = nATA_SEL (initial: select) */
 440         gpio_request(gpio + 6, "nATA_SEL");
 441         gpio_direction_output(gpio + 6, 0);
 442
 443         /* p7 = nCF_SEL (initial: deselect) */
 444         gpio_request(gpio + 7, "nCF_SEL");
 445         gpio_direction_output(gpio + 7, 1);
 446
 447         return 0;
 448 }
 449
 450 static int
 451 evm_u35_teardown(struct i2c_client *client, int gpio, unsigned ngpio, void *c)
 452 {
 453         gpio_free(gpio + 7);
 454         gpio_free(gpio + 6);
 455         gpio_free(gpio + 5);
 456         gpio_free(gpio + 3);
 457         gpio_free(gpio + 2);
 458         gpio_free(gpio + 1);
 459         gpio_free(gpio + 0);
 460         return 0;
 461 }
 462
 463 static struct pcf857x_platform_data pcf_data_u35 = {
 464         .gpio_base      = PCF_Uxx_BASE(2),
 465         .setup          = evm_u35_setup,
 466         .teardown       = evm_u35_teardown,
 467 };
 468
 469 /*----------------------------------------------------------------------*/
 470
 471 /* Most of this EEPROM is unused, but U-Boot uses some data:
 472  *  - 0x7f00, 6 bytes Ethernet Address
 473  *  - 0x0039, 1 byte NTSC vs PAL (bit 0x80 == PAL)
 474  *  - ... newer boards may have more
 475  */
 476
 477 static struct at24_platform_data eeprom_info = {
 478         .byte_len       = (256*1024) / 8,
 479         .page_size      = 64,
 480         .flags          = AT24_FLAG_ADDR16,
 481         .setup          = davinci_get_mac_addr,
 482         .context        = (void *)0x7f00,
 483 };
 484
 485 /*
 486  * MSP430 supports RTC, card detection, input from IR remote, and
 487  * a bit more.  It triggers interrupts on GPIO(7) from pressing
 488  * buttons on the IR remote, and for card detect switches.
 489  */
 490 static struct i2c_client *dm6446evm_msp;
 491
 492 static int dm6446evm_msp_probe(struct i2c_client *client,
 493                 const struct i2c_device_id *id)
 494 {
 495         dm6446evm_msp = client;
 496         return 0;
 497 }
 498
 499 static int dm6446evm_msp_remove(struct i2c_client *client)
 500 {
 501         dm6446evm_msp = NULL;
 502         return 0;
 503 }
 504
 505 static const struct i2c_device_id dm6446evm_msp_ids[] = {
 506         { "dm6446evm_msp", 0, },
 507         { /* end of list */ },
 508 };
 509
 510 static struct i2c_driver dm6446evm_msp_driver = {
 511         .driver.name    = "dm6446evm_msp",
 512         .id_table       = dm6446evm_msp_ids,
 513         .probe          = dm6446evm_msp_probe,
 514         .remove         = dm6446evm_msp_remove,
 515 };
 516
 517 static int dm6444evm_msp430_get_pins(void)
 518 {
 519         static const char txbuf[2] = { 2, 4, };
 520         char buf[4];
 521         struct i2c_msg msg[2] = {
 522                 {
 523                         .flags = 0,
 524                         .len = 2,
 525                         .buf = (void __force *)txbuf,
 526                 },
 527                 {
 528                         .flags = I2C_M_RD,
 529                         .len = 4,
 530                         .buf = buf,
 531                 },
 532         };
 533         int status;
 534
 535         if (!dm6446evm_msp)
 536                 return -ENXIO;
 537
 538         msg[0].addr = dm6446evm_msp->addr;
 539         msg[1].addr = dm6446evm_msp->addr;
 540
 541         /* Command 4 == get input state, returns port 2 and port3 data
 542          *   S Addr W [A] len=2 [A] cmd=4 [A]
 543          *   RS Addr R [A] [len=4] A [cmd=4] A [port2] A [port3] N P
 544          */
 545         status = i2c_transfer(dm6446evm_msp->adapter, msg, 2);
 546         if (status < 0)
 547                 return status;
 548
 549         dev_dbg(&dm6446evm_msp->dev,
 550                 "PINS: %02x %02x %02x %02x\n",
 551                 buf[0], buf[1], buf[2], buf[3]);
 552
 553         return (buf[3] << 8) | buf[2];
 554 }
 555
 556 static int dm6444evm_mmc_get_cd(int module)
 557 {
 558         int status = dm6444evm_msp430_get_pins();
 559
 560         return (status < 0) ? status : !(status & BIT(1));
 561 }
 562
 563 static int dm6444evm_mmc_get_ro(int module)
 564 {
 565         int status = dm6444evm_msp430_get_pins();
 566
 567         return (status < 0) ? status : status & BIT(6 + 8);
 568 }
 569
 570 static struct davinci_mmc_config dm6446evm_mmc_config = {
 571         .get_cd         = dm6444evm_mmc_get_cd,
 572         .get_ro         = dm6444evm_mmc_get_ro,
 573         .wires          = 4,
 574 };
 575
 576 static struct i2c_board_info __initdata i2c_info[] =  {
 577         {
 578                 I2C_BOARD_INFO("dm6446evm_msp", 0x23),
 579         },
 580         {
 581                 I2C_BOARD_INFO("pcf8574", 0x38),
 582                 .platform_data  = &pcf_data_u2,
 583         },
 584         {
 585                 I2C_BOARD_INFO("pcf8574", 0x39),
 586                 .platform_data  = &pcf_data_u18,
 587         },
 588         {
 589                 I2C_BOARD_INFO("pcf8574", 0x3a),
 590                 .platform_data  = &pcf_data_u35,
 591         },
 592         {
 593                 I2C_BOARD_INFO("24c256", 0x50),
 594                 .platform_data  = &eeprom_info,
 595         },
 596         {
 597                 I2C_BOARD_INFO("tlv320aic33", 0x1b),
 598         },
 599 };
 600
 601 /* The msp430 uses a slow bitbanged I2C implementation (ergo 20 KHz),
 602  * which requires 100 usec of idle bus after i2c writes sent to it.
 603  */
 604 static struct davinci_i2c_platform_data i2c_pdata = {
 605         .bus_freq       = 20 /* kHz */,
 606         .bus_delay      = 100 /* usec */,
 607         .sda_pin        = 44,
 608         .scl_pin        = 43,
 609 };
 610
 611 static void __init evm_init_i2c(void)
 612 {
 613         davinci_init_i2c(&i2c_pdata);
 614         i2c_add_driver(&dm6446evm_msp_driver);
 615         i2c_register_board_info(1, i2c_info, ARRAY_SIZE(i2c_info));
 616 }
 617
 618 #define VENC_STD_ALL    (V4L2_STD_NTSC | V4L2_STD_PAL)
 619
 620 /* venc standard timings */
 621 static struct vpbe_enc_mode_info dm644xevm_enc_std_timing[] = {
 622         {
 623                 .name           = "ntsc",
 624                 .timings_type   = VPBE_ENC_STD,
 625                 .std_id         = V4L2_STD_NTSC,
 626                 .interlaced     = 1,
 627                 .xres           = 720,
 628                 .yres           = 480,
 629                 .aspect         = {11, 10},
 630                 .fps            = {30000, 1001},
 631                 .left_margin    = 0x79,
 632                 .upper_margin   = 0x10,
 633         },
 634         {
 635                 .name           = "pal",
 636                 .timings_type   = VPBE_ENC_STD,
 637                 .std_id         = V4L2_STD_PAL,
 638                 .interlaced     = 1,
 639                 .xres           = 720,
 640                 .yres           = 576,
 641                 .aspect         = {54, 59},
 642                 .fps            = {25, 1},
 643                 .left_margin    = 0x7e,
 644                 .upper_margin   = 0x16,
 645         },
 646 };
 647
 648 /* venc dv preset timings */
 649 static struct vpbe_enc_mode_info dm644xevm_enc_preset_timing[] = {
 650         {
 651                 .name           = "480p59_94",
 652                 .timings_type   = VPBE_ENC_DV_TIMINGS,
 653                 .dv_timings     = V4L2_DV_BT_CEA_720X480P59_94,
 654                 .interlaced     = 0,
 655                 .xres           = 720,
 656                 .yres           = 480,
 657                 .aspect         = {1, 1},
 658                 .fps            = {5994, 100},
 659                 .left_margin    = 0x80,
 660                 .upper_margin   = 0x20,
 661         },
 662         {
 663                 .name           = "576p50",
 664                 .timings_type   = VPBE_ENC_DV_TIMINGS,
 665                 .dv_timings     = V4L2_DV_BT_CEA_720X576P50,
 666                 .interlaced     = 0,
 667                 .xres           = 720,
 668                 .yres           = 576,
 669                 .aspect         = {1, 1},
 670                 .fps            = {50, 1},
 671                 .left_margin    = 0x7e,
 672                 .upper_margin   = 0x30,
 673         },
 674 };
 675
 676 /*
 677  * The outputs available from VPBE + encoders. Keep the order same
 678  * as that of encoders. First those from venc followed by that from
 679  * encoders. Index in the output refers to index on a particular encoder.
 680  * Driver uses this index to pass it to encoder when it supports more
 681  * than one output. Userspace applications use index of the array to
 682  * set an output.
 683  */
 684 static struct vpbe_output dm644xevm_vpbe_outputs[] = {
 685         {
 686                 .output         = {
 687                         .index          = 0,
 688                         .name           = "Composite",
 689                         .type           = V4L2_OUTPUT_TYPE_ANALOG,
 690                         .std            = VENC_STD_ALL,
 691                         .capabilities   = V4L2_OUT_CAP_STD,
 692                 },
 693                 .subdev_name    = DM644X_VPBE_VENC_SUBDEV_NAME,
 694                 .default_mode   = "ntsc",
 695                 .num_modes      = ARRAY_SIZE(dm644xevm_enc_std_timing),
 696                 .modes          = dm644xevm_enc_std_timing,
 697         },
 698         {
 699                 .output         = {
 700                         .index          = 1,
 701                         .name           = "Component",
 702                         .type           = V4L2_OUTPUT_TYPE_ANALOG,
 703                         .capabilities   = V4L2_OUT_CAP_DV_TIMINGS,
 704                 },
 705                 .subdev_name    = DM644X_VPBE_VENC_SUBDEV_NAME,
 706                 .default_mode   = "480p59_94",
 707                 .num_modes      = ARRAY_SIZE(dm644xevm_enc_preset_timing),
 708                 .modes          = dm644xevm_enc_preset_timing,
 709         },
 710 };
 711
 712 static struct vpbe_config dm644xevm_display_cfg = {
 713         .module_name    = "dm644x-vpbe-display",
 714         .i2c_adapter_id = 1,
 715         .osd            = {
 716                 .module_name    = DM644X_VPBE_OSD_SUBDEV_NAME,
 717         },
 718         .venc           = {
 719                 .module_name    = DM644X_VPBE_VENC_SUBDEV_NAME,
 720         },
 721         .num_outputs    = ARRAY_SIZE(dm644xevm_vpbe_outputs),
 722         .outputs        = dm644xevm_vpbe_outputs,
 723 };
 724
 725 static struct platform_device *davinci_evm_devices[] __initdata = {
 726         &davinci_fb_device,
 727         &rtc_dev,
 728 };
 729
 730 static void __init
 731 davinci_evm_map_io(void)
 732 {
 733         dm644x_init();
 734 }
 735
 736 static int davinci_phy_fixup(struct phy_device *phydev)
 737 {
 738         unsigned int control;
 739         /* CRITICAL: Fix for increasing PHY signal drive strength for
 740          * TX lockup issue. On DaVinci EVM, the Intel LXT971 PHY
 741          * signal strength was low causing  TX to fail randomly. The
 742          * fix is to Set bit 11 (Increased MII drive strength) of PHY
 743          * register 26 (Digital Config register) on this phy. */
 744         control = phy_read(phydev, 26);
 745         phy_write(phydev, 26, (control | 0x800));
 746         return 0;
 747 }
 748
 749 #define HAS_ATA         IS_ENABLED(CONFIG_BLK_DEV_PALMCHIP_BK3710)
 750
 751 #define HAS_NOR         IS_ENABLED(CONFIG_MTD_PHYSMAP)
 752
 753 #define HAS_NAND        IS_ENABLED(CONFIG_MTD_NAND_DAVINCI)
 754
 755 static __init void davinci_evm_init(void)
 756 {
 757         int ret;
 758         struct clk *aemif_clk;
 759         struct davinci_soc_info *soc_info = &davinci_soc_info;
 760
 761         ret = dm644x_gpio_register();
 762         if (ret)
 763                 pr_warn("%s: GPIO init failed: %d\n", __func__, ret);
 764
 765         aemif_clk = clk_get(NULL, "aemif");
 766         clk_prepare_enable(aemif_clk);
 767
 768         if (HAS_ATA) {
 769                 if (HAS_NAND || HAS_NOR)
 770                         pr_warning("WARNING: both IDE and Flash are "
 771                                 "enabled, but they share AEMIF pins.\n"
 772                                 "\tDisable IDE for NAND/NOR support.\n");
 773                 davinci_init_ide();
 774         } else if (HAS_NAND || HAS_NOR) {
 775                 davinci_cfg_reg(DM644X_HPIEN_DISABLE);
 776                 davinci_cfg_reg(DM644X_ATAEN_DISABLE);
 777
 778                 /* only one device will be jumpered and detected */
 779                 if (HAS_NAND) {
 780                         platform_device_register(&davinci_evm_nandflash_device);
 781
 782                         if (davinci_aemif_setup(&davinci_evm_nandflash_device))
 783                                 pr_warn("%s: Cannot configure AEMIF.\n",
 784                                         __func__);
 785
 786                         evm_leds[7].default_trigger = "nand-disk";
 787                         if (HAS_NOR)
 788                                 pr_warning("WARNING: both NAND and NOR flash "
 789                                         "are enabled; disable one of them.\n");
 790                 } else if (HAS_NOR)
 791                         platform_device_register(&davinci_evm_norflash_device);
 792         }
 793
 794         platform_add_devices(davinci_evm_devices,
 795                              ARRAY_SIZE(davinci_evm_devices));
 796         evm_init_i2c();
 797
 798         davinci_setup_mmc(0, &dm6446evm_mmc_config);
 799         dm644x_init_video(&dm644xevm_capture_cfg, &dm644xevm_display_cfg);
 800
 801         davinci_serial_init(dm644x_serial_device);
 802         dm644x_init_asp(&dm644x_evm_snd_data);
 803
 804         /* irlml6401 switches over 1A, in under 8 msec */
 805         davinci_setup_usb(1000, 8);
 806
 807         if (IS_BUILTIN(CONFIG_PHYLIB)) {
 808                 soc_info->emac_pdata->phy_id = DM644X_EVM_PHY_ID;
 809                 /* Register the fixup for PHY on DaVinci */
 810                 phy_register_fixup_for_uid(LXT971_PHY_ID, LXT971_PHY_MASK,
 811                                                 davinci_phy_fixup);
 812         }
 813 }
 814
 815 MACHINE_START(DAVINCI_EVM, "DaVinci DM644x EVM")
 816         /* Maintainer: MontaVista Software <source@mvista.com> */
 817         .atag_offset  = 0x100,
 818         .map_io       = davinci_evm_map_io,
 819         .init_irq     = davinci_irq_init,
 820         .init_time      = davinci_timer_init,
 821         .init_machine = davinci_evm_init,
 822         .init_late      = davinci_init_late,
 823         .dma_zone_size  = SZ_128M,
 824         .restart        = davinci_restart,
 825 MACHINE_END