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/i2c/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 /*----------------------------------------------------------------------*/
 268 #ifdef CONFIG_I2C
 269 /*
 270  * I2C GPIO expanders
 271  */
 272
 273 #define PCF_Uxx_BASE(x) (DAVINCI_N_GPIO + ((x) * 8))
 274
 275
 276 /* U2 -- LEDs */
 277
 278 static struct gpio_led evm_leds[] = {
 279         { .name = "DS8", .active_low = 1,
 280                 .default_trigger = "heartbeat", },
 281         { .name = "DS7", .active_low = 1, },
 282         { .name = "DS6", .active_low = 1, },
 283         { .name = "DS5", .active_low = 1, },
 284         { .name = "DS4", .active_low = 1, },
 285         { .name = "DS3", .active_low = 1, },
 286         { .name = "DS2", .active_low = 1,
 287                 .default_trigger = "mmc0", },
 288         { .name = "DS1", .active_low = 1,
 289                 .default_trigger = "disk-activity", },
 290 };
 291
 292 static const struct gpio_led_platform_data evm_led_data = {
 293         .num_leds       = ARRAY_SIZE(evm_leds),
 294         .leds           = evm_leds,
 295 };
 296
 297 static struct platform_device *evm_led_dev;
 298
 299 static int
 300 evm_led_setup(struct i2c_client *client, int gpio, unsigned ngpio, void *c)
 301 {
 302         struct gpio_led *leds = evm_leds;
 303         int status;
 304
 305         while (ngpio--) {
 306                 leds->gpio = gpio++;
 307                 leds++;
 308         }
 309
 310         /* what an extremely annoying way to be forced to handle
 311          * device unregistration ...
 312          */
 313         evm_led_dev = platform_device_alloc("leds-gpio", 0);
 314         platform_device_add_data(evm_led_dev,
 315                         &evm_led_data, sizeof evm_led_data);
 316
 317         evm_led_dev->dev.parent = &client->dev;
 318         status = platform_device_add(evm_led_dev);
 319         if (status < 0) {
 320                 platform_device_put(evm_led_dev);
 321                 evm_led_dev = NULL;
 322         }
 323         return status;
 324 }
 325
 326 static int
 327 evm_led_teardown(struct i2c_client *client, int gpio, unsigned ngpio, void *c)
 328 {
 329         if (evm_led_dev) {
 330                 platform_device_unregister(evm_led_dev);
 331                 evm_led_dev = NULL;
 332         }
 333         return 0;
 334 }
 335
 336 static struct pcf857x_platform_data pcf_data_u2 = {
 337         .gpio_base      = PCF_Uxx_BASE(0),
 338         .setup          = evm_led_setup,
 339         .teardown       = evm_led_teardown,
 340 };
 341
 342
 343 /* U18 - A/V clock generator and user switch */
 344
 345 static int sw_gpio;
 346
 347 static ssize_t
 348 sw_show(struct device *d, struct device_attribute *a, char *buf)
 349 {
 350         char *s = gpio_get_value_cansleep(sw_gpio) ? "on\n" : "off\n";
 351
 352         strcpy(buf, s);
 353         return strlen(s);
 354 }
 355
 356 static DEVICE_ATTR(user_sw, S_IRUGO, sw_show, NULL);
 357
 358 static int
 359 evm_u18_setup(struct i2c_client *client, int gpio, unsigned ngpio, void *c)
 360 {
 361         int     status;
 362
 363         /* export dip switch option */
 364         sw_gpio = gpio + 7;
 365         status = gpio_request(sw_gpio, "user_sw");
 366         if (status == 0)
 367                 status = gpio_direction_input(sw_gpio);
 368         if (status == 0)
 369                 status = device_create_file(&client->dev, &dev_attr_user_sw);
 370         else
 371                 gpio_free(sw_gpio);
 372         if (status != 0)
 373                 sw_gpio = -EINVAL;
 374
 375         /* audio PLL:  48 kHz (vs 44.1 or 32), single rate (vs double) */
 376         gpio_request(gpio + 3, "pll_fs2");
 377         gpio_direction_output(gpio + 3, 0);
 378
 379         gpio_request(gpio + 2, "pll_fs1");
 380         gpio_direction_output(gpio + 2, 0);
 381
 382         gpio_request(gpio + 1, "pll_sr");
 383         gpio_direction_output(gpio + 1, 0);
 384
 385         return 0;
 386 }
 387
 388 static int
 389 evm_u18_teardown(struct i2c_client *client, int gpio, unsigned ngpio, void *c)
 390 {
 391         gpio_free(gpio + 1);
 392         gpio_free(gpio + 2);
 393         gpio_free(gpio + 3);
 394
 395         if (sw_gpio > 0) {
 396                 device_remove_file(&client->dev, &dev_attr_user_sw);
 397                 gpio_free(sw_gpio);
 398         }
 399         return 0;
 400 }
 401
 402 static struct pcf857x_platform_data pcf_data_u18 = {
 403         .gpio_base      = PCF_Uxx_BASE(1),
 404         .n_latch        = (1 << 3) | (1 << 2) | (1 << 1),
 405         .setup          = evm_u18_setup,
 406         .teardown       = evm_u18_teardown,
 407 };
 408
 409
 410 /* U35 - various I/O signals used to manage USB, CF, ATA, etc */
 411
 412 static int
 413 evm_u35_setup(struct i2c_client *client, int gpio, unsigned ngpio, void *c)
 414 {
 415         /* p0 = nDRV_VBUS (initial:  don't supply it) */
 416         gpio_request(gpio + 0, "nDRV_VBUS");
 417         gpio_direction_output(gpio + 0, 1);
 418
 419         /* p1 = VDDIMX_EN */
 420         gpio_request(gpio + 1, "VDDIMX_EN");
 421         gpio_direction_output(gpio + 1, 1);
 422
 423         /* p2 = VLYNQ_EN */
 424         gpio_request(gpio + 2, "VLYNQ_EN");
 425         gpio_direction_output(gpio + 2, 1);
 426
 427         /* p3 = n3V3_CF_RESET (initial: stay in reset) */
 428         gpio_request(gpio + 3, "nCF_RESET");
 429         gpio_direction_output(gpio + 3, 0);
 430
 431         /* (p4 unused) */
 432
 433         /* p5 = 1V8_WLAN_RESET (initial: stay in reset) */
 434         gpio_request(gpio + 5, "WLAN_RESET");
 435         gpio_direction_output(gpio + 5, 1);
 436
 437         /* p6 = nATA_SEL (initial: select) */
 438         gpio_request(gpio + 6, "nATA_SEL");
 439         gpio_direction_output(gpio + 6, 0);
 440
 441         /* p7 = nCF_SEL (initial: deselect) */
 442         gpio_request(gpio + 7, "nCF_SEL");
 443         gpio_direction_output(gpio + 7, 1);
 444
 445         return 0;
 446 }
 447
 448 static int
 449 evm_u35_teardown(struct i2c_client *client, int gpio, unsigned ngpio, void *c)
 450 {
 451         gpio_free(gpio + 7);
 452         gpio_free(gpio + 6);
 453         gpio_free(gpio + 5);
 454         gpio_free(gpio + 3);
 455         gpio_free(gpio + 2);
 456         gpio_free(gpio + 1);
 457         gpio_free(gpio + 0);
 458         return 0;
 459 }
 460
 461 static struct pcf857x_platform_data pcf_data_u35 = {
 462         .gpio_base      = PCF_Uxx_BASE(2),
 463         .setup          = evm_u35_setup,
 464         .teardown       = evm_u35_teardown,
 465 };
 466
 467 /*----------------------------------------------------------------------*/
 468
 469 /* Most of this EEPROM is unused, but U-Boot uses some data:
 470  *  - 0x7f00, 6 bytes Ethernet Address
 471  *  - 0x0039, 1 byte NTSC vs PAL (bit 0x80 == PAL)
 472  *  - ... newer boards may have more
 473  */
 474
 475 static struct at24_platform_data eeprom_info = {
 476         .byte_len       = (256*1024) / 8,
 477         .page_size      = 64,
 478         .flags          = AT24_FLAG_ADDR16,
 479         .setup          = davinci_get_mac_addr,
 480         .context        = (void *)0x7f00,
 481 };
 482
 483 /*
 484  * MSP430 supports RTC, card detection, input from IR remote, and
 485  * a bit more.  It triggers interrupts on GPIO(7) from pressing
 486  * buttons on the IR remote, and for card detect switches.
 487  */
 488 static struct i2c_client *dm6446evm_msp;
 489
 490 static int dm6446evm_msp_probe(struct i2c_client *client,
 491                 const struct i2c_device_id *id)
 492 {
 493         dm6446evm_msp = client;
 494         return 0;
 495 }
 496
 497 static int dm6446evm_msp_remove(struct i2c_client *client)
 498 {
 499         dm6446evm_msp = NULL;
 500         return 0;
 501 }
 502
 503 static const struct i2c_device_id dm6446evm_msp_ids[] = {
 504         { "dm6446evm_msp", 0, },
 505         { /* end of list */ },
 506 };
 507
 508 static struct i2c_driver dm6446evm_msp_driver = {
 509         .driver.name    = "dm6446evm_msp",
 510         .id_table       = dm6446evm_msp_ids,
 511         .probe          = dm6446evm_msp_probe,
 512         .remove         = dm6446evm_msp_remove,
 513 };
 514
 515 static int dm6444evm_msp430_get_pins(void)
 516 {
 517         static const char txbuf[2] = { 2, 4, };
 518         char buf[4];
 519         struct i2c_msg msg[2] = {
 520                 {
 521                         .flags = 0,
 522                         .len = 2,
 523                         .buf = (void __force *)txbuf,
 524                 },
 525                 {
 526                         .flags = I2C_M_RD,
 527                         .len = 4,
 528                         .buf = buf,
 529                 },
 530         };
 531         int status;
 532
 533         if (!dm6446evm_msp)
 534                 return -ENXIO;
 535
 536         msg[0].addr = dm6446evm_msp->addr;
 537         msg[1].addr = dm6446evm_msp->addr;
 538
 539         /* Command 4 == get input state, returns port 2 and port3 data
 540          *   S Addr W [A] len=2 [A] cmd=4 [A]
 541          *   RS Addr R [A] [len=4] A [cmd=4] A [port2] A [port3] N P
 542          */
 543         status = i2c_transfer(dm6446evm_msp->adapter, msg, 2);
 544         if (status < 0)
 545                 return status;
 546
 547         dev_dbg(&dm6446evm_msp->dev, "PINS: %4ph\n", buf);
 548
 549         return (buf[3] << 8) | buf[2];
 550 }
 551
 552 static int dm6444evm_mmc_get_cd(int module)
 553 {
 554         int status = dm6444evm_msp430_get_pins();
 555
 556         return (status < 0) ? status : !(status & BIT(1));
 557 }
 558
 559 static int dm6444evm_mmc_get_ro(int module)
 560 {
 561         int status = dm6444evm_msp430_get_pins();
 562
 563         return (status < 0) ? status : status & BIT(6 + 8);
 564 }
 565
 566 static struct davinci_mmc_config dm6446evm_mmc_config = {
 567         .get_cd         = dm6444evm_mmc_get_cd,
 568         .get_ro         = dm6444evm_mmc_get_ro,
 569         .wires          = 4,
 570 };
 571
 572 static struct i2c_board_info __initdata i2c_info[] =  {
 573         {
 574                 I2C_BOARD_INFO("dm6446evm_msp", 0x23),
 575         },
 576         {
 577                 I2C_BOARD_INFO("pcf8574", 0x38),
 578                 .platform_data  = &pcf_data_u2,
 579         },
 580         {
 581                 I2C_BOARD_INFO("pcf8574", 0x39),
 582                 .platform_data  = &pcf_data_u18,
 583         },
 584         {
 585                 I2C_BOARD_INFO("pcf8574", 0x3a),
 586                 .platform_data  = &pcf_data_u35,
 587         },
 588         {
 589                 I2C_BOARD_INFO("24c256", 0x50),
 590                 .platform_data  = &eeprom_info,
 591         },
 592         {
 593                 I2C_BOARD_INFO("tlv320aic33", 0x1b),
 594         },
 595 };
 596
 597 /* The msp430 uses a slow bitbanged I2C implementation (ergo 20 KHz),
 598  * which requires 100 usec of idle bus after i2c writes sent to it.
 599  */
 600 static struct davinci_i2c_platform_data i2c_pdata = {
 601         .bus_freq       = 20 /* kHz */,
 602         .bus_delay      = 100 /* usec */,
 603         .sda_pin        = 44,
 604         .scl_pin        = 43,
 605 };
 606
 607 static void __init evm_init_i2c(void)
 608 {
 609         davinci_init_i2c(&i2c_pdata);
 610         i2c_add_driver(&dm6446evm_msp_driver);
 611         i2c_register_board_info(1, i2c_info, ARRAY_SIZE(i2c_info));
 612 }
 613 #endif
 614
 615 #define VENC_STD_ALL    (V4L2_STD_NTSC | V4L2_STD_PAL)
 616
 617 /* venc standard timings */
 618 static struct vpbe_enc_mode_info dm644xevm_enc_std_timing[] = {
 619         {
 620                 .name           = "ntsc",
 621                 .timings_type   = VPBE_ENC_STD,
 622                 .std_id         = V4L2_STD_NTSC,
 623                 .interlaced     = 1,
 624                 .xres           = 720,
 625                 .yres           = 480,
 626                 .aspect         = {11, 10},
 627                 .fps            = {30000, 1001},
 628                 .left_margin    = 0x79,
 629                 .upper_margin   = 0x10,
 630         },
 631         {
 632                 .name           = "pal",
 633                 .timings_type   = VPBE_ENC_STD,
 634                 .std_id         = V4L2_STD_PAL,
 635                 .interlaced     = 1,
 636                 .xres           = 720,
 637                 .yres           = 576,
 638                 .aspect         = {54, 59},
 639                 .fps            = {25, 1},
 640                 .left_margin    = 0x7e,
 641                 .upper_margin   = 0x16,
 642         },
 643 };
 644
 645 /* venc dv preset timings */
 646 static struct vpbe_enc_mode_info dm644xevm_enc_preset_timing[] = {
 647         {
 648                 .name           = "480p59_94",
 649                 .timings_type   = VPBE_ENC_DV_TIMINGS,
 650                 .dv_timings     = V4L2_DV_BT_CEA_720X480P59_94,
 651                 .interlaced     = 0,
 652                 .xres           = 720,
 653                 .yres           = 480,
 654                 .aspect         = {1, 1},
 655                 .fps            = {5994, 100},
 656                 .left_margin    = 0x80,
 657                 .upper_margin   = 0x20,
 658         },
 659         {
 660                 .name           = "576p50",
 661                 .timings_type   = VPBE_ENC_DV_TIMINGS,
 662                 .dv_timings     = V4L2_DV_BT_CEA_720X576P50,
 663                 .interlaced     = 0,
 664                 .xres           = 720,
 665                 .yres           = 576,
 666                 .aspect         = {1, 1},
 667                 .fps            = {50, 1},
 668                 .left_margin    = 0x7e,
 669                 .upper_margin   = 0x30,
 670         },
 671 };
 672
 673 /*
 674  * The outputs available from VPBE + encoders. Keep the order same
 675  * as that of encoders. First those from venc followed by that from
 676  * encoders. Index in the output refers to index on a particular encoder.
 677  * Driver uses this index to pass it to encoder when it supports more
 678  * than one output. Userspace applications use index of the array to
 679  * set an output.
 680  */
 681 static struct vpbe_output dm644xevm_vpbe_outputs[] = {
 682         {
 683                 .output         = {
 684                         .index          = 0,
 685                         .name           = "Composite",
 686                         .type           = V4L2_OUTPUT_TYPE_ANALOG,
 687                         .std            = VENC_STD_ALL,
 688                         .capabilities   = V4L2_OUT_CAP_STD,
 689                 },
 690                 .subdev_name    = DM644X_VPBE_VENC_SUBDEV_NAME,
 691                 .default_mode   = "ntsc",
 692                 .num_modes      = ARRAY_SIZE(dm644xevm_enc_std_timing),
 693                 .modes          = dm644xevm_enc_std_timing,
 694         },
 695         {
 696                 .output         = {
 697                         .index          = 1,
 698                         .name           = "Component",
 699                         .type           = V4L2_OUTPUT_TYPE_ANALOG,
 700                         .capabilities   = V4L2_OUT_CAP_DV_TIMINGS,
 701                 },
 702                 .subdev_name    = DM644X_VPBE_VENC_SUBDEV_NAME,
 703                 .default_mode   = "480p59_94",
 704                 .num_modes      = ARRAY_SIZE(dm644xevm_enc_preset_timing),
 705                 .modes          = dm644xevm_enc_preset_timing,
 706         },
 707 };
 708
 709 static struct vpbe_config dm644xevm_display_cfg = {
 710         .module_name    = "dm644x-vpbe-display",
 711         .i2c_adapter_id = 1,
 712         .osd            = {
 713                 .module_name    = DM644X_VPBE_OSD_SUBDEV_NAME,
 714         },
 715         .venc           = {
 716                 .module_name    = DM644X_VPBE_VENC_SUBDEV_NAME,
 717         },
 718         .num_outputs    = ARRAY_SIZE(dm644xevm_vpbe_outputs),
 719         .outputs        = dm644xevm_vpbe_outputs,
 720 };
 721
 722 static struct platform_device *davinci_evm_devices[] __initdata = {
 723         &davinci_fb_device,
 724         &rtc_dev,
 725 };
 726
 727 static void __init
 728 davinci_evm_map_io(void)
 729 {
 730         dm644x_init();
 731 }
 732
 733 static int davinci_phy_fixup(struct phy_device *phydev)
 734 {
 735         unsigned int control;
 736         /* CRITICAL: Fix for increasing PHY signal drive strength for
 737          * TX lockup issue. On DaVinci EVM, the Intel LXT971 PHY
 738          * signal strength was low causing  TX to fail randomly. The
 739          * fix is to Set bit 11 (Increased MII drive strength) of PHY
 740          * register 26 (Digital Config register) on this phy. */
 741         control = phy_read(phydev, 26);
 742         phy_write(phydev, 26, (control | 0x800));
 743         return 0;
 744 }
 745
 746 #define HAS_ATA         IS_ENABLED(CONFIG_BLK_DEV_PALMCHIP_BK3710)
 747
 748 #define HAS_NOR         IS_ENABLED(CONFIG_MTD_PHYSMAP)
 749
 750 #define HAS_NAND        IS_ENABLED(CONFIG_MTD_NAND_DAVINCI)
 751
 752 static __init void davinci_evm_init(void)
 753 {
 754         int ret;
 755         struct clk *aemif_clk;
 756         struct davinci_soc_info *soc_info = &davinci_soc_info;
 757
 758         ret = dm644x_gpio_register();
 759         if (ret)
 760                 pr_warn("%s: GPIO init failed: %d\n", __func__, ret);
 761
 762         aemif_clk = clk_get(NULL, "aemif");
 763         clk_prepare_enable(aemif_clk);
 764
 765         if (HAS_ATA) {
 766                 if (HAS_NAND || HAS_NOR)
 767                         pr_warn("WARNING: both IDE and Flash are enabled, but they share AEMIF pins\n"
 768                                 "\tDisable IDE for NAND/NOR support\n");
 769                 davinci_init_ide();
 770         } else if (HAS_NAND || HAS_NOR) {
 771                 davinci_cfg_reg(DM644X_HPIEN_DISABLE);
 772                 davinci_cfg_reg(DM644X_ATAEN_DISABLE);
 773
 774                 /* only one device will be jumpered and detected */
 775                 if (HAS_NAND) {
 776                         platform_device_register(&davinci_evm_nandflash_device);
 777
 778                         if (davinci_aemif_setup(&davinci_evm_nandflash_device))
 779                                 pr_warn("%s: Cannot configure AEMIF\n",
 780                                         __func__);
 781
 782 #ifdef CONFIG_I2C
 783                         evm_leds[7].default_trigger = "nand-disk";
 784 #endif
 785                         if (HAS_NOR)
 786                                 pr_warn("WARNING: both NAND and NOR flash are enabled; disable one of them.\n");
 787                 } else if (HAS_NOR)
 788                         platform_device_register(&davinci_evm_norflash_device);
 789         }
 790
 791         platform_add_devices(davinci_evm_devices,
 792                              ARRAY_SIZE(davinci_evm_devices));
 793 #ifdef CONFIG_I2C
 794         evm_init_i2c();
 795         davinci_setup_mmc(0, &dm6446evm_mmc_config);
 796 #endif
 797         dm644x_init_video(&dm644xevm_capture_cfg, &dm644xevm_display_cfg);
 798
 799         davinci_serial_init(dm644x_serial_device);
 800         dm644x_init_asp();
 801
 802         /* irlml6401 switches over 1A, in under 8 msec */
 803         davinci_setup_usb(1000, 8);
 804
 805         if (IS_BUILTIN(CONFIG_PHYLIB)) {
 806                 soc_info->emac_pdata->phy_id = DM644X_EVM_PHY_ID;
 807                 /* Register the fixup for PHY on DaVinci */
 808                 phy_register_fixup_for_uid(LXT971_PHY_ID, LXT971_PHY_MASK,
 809                                                 davinci_phy_fixup);
 810         }
 811 }
 812
 813 MACHINE_START(DAVINCI_EVM, "DaVinci DM644x EVM")
 814         /* Maintainer: MontaVista Software <source@mvista.com> */
 815         .atag_offset  = 0x100,
 816         .map_io       = davinci_evm_map_io,
 817         .init_irq     = davinci_irq_init,
 818         .init_time      = davinci_timer_init,
 819         .init_machine = davinci_evm_init,
 820         .init_late      = davinci_init_late,
 821         .dma_zone_size  = SZ_128M,
 822         .restart        = davinci_restart,
 823 MACHINE_END