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 #include <linux/leds.h>
  29
  30 #include <media/i2c/tvp514x.h>
  31
  32 #include <asm/mach-types.h>
  33 #include <asm/mach/arch.h>
  34
  35 #include <mach/common.h>
  36 #include <linux/platform_data/i2c-davinci.h>
  37 #include <mach/serial.h>
  38 #include <mach/mux.h>
  39 #include <linux/platform_data/mtd-davinci.h>
  40 #include <linux/platform_data/mmc-davinci.h>
  41 #include <linux/platform_data/usb-davinci.h>
  42 #include <linux/platform_data/mtd-davinci-aemif.h>
  43
  44 #include "davinci.h"
  45
  46 #define DM644X_EVM_PHY_ID               "davinci_mdio-0:01"
  47 #define LXT971_PHY_ID   (0x001378e2)
  48 #define LXT971_PHY_MASK (0xfffffff0)
  49
  50 static struct mtd_partition davinci_evm_norflash_partitions[] = {
  51         /* bootloader (UBL, U-Boot, etc) in first 5 sectors */
  52         {
  53                 .name           = "bootloader",
  54                 .offset         = 0,
  55                 .size           = 5 * SZ_64K,
  56                 .mask_flags     = MTD_WRITEABLE, /* force read-only */
  57         },
  58         /* bootloader params in the next 1 sectors */
  59         {
  60                 .name           = "params",
  61                 .offset         = MTDPART_OFS_APPEND,
  62                 .size           = SZ_64K,
  63                 .mask_flags     = 0,
  64         },
  65         /* kernel */
  66         {
  67                 .name           = "kernel",
  68                 .offset         = MTDPART_OFS_APPEND,
  69                 .size           = SZ_2M,
  70                 .mask_flags     = 0
  71         },
  72         /* file system */
  73         {
  74                 .name           = "filesystem",
  75                 .offset         = MTDPART_OFS_APPEND,
  76                 .size           = MTDPART_SIZ_FULL,
  77                 .mask_flags     = 0
  78         }
  79 };
  80
  81 static struct physmap_flash_data davinci_evm_norflash_data = {
  82         .width          = 2,
  83         .parts          = davinci_evm_norflash_partitions,
  84         .nr_parts       = ARRAY_SIZE(davinci_evm_norflash_partitions),
  85 };
  86
  87 /* NOTE: CFI probe will correctly detect flash part as 32M, but EMIF
  88  * limits addresses to 16M, so using addresses past 16M will wrap */
  89 static struct resource davinci_evm_norflash_resource = {
  90         .start          = DM644X_ASYNC_EMIF_DATA_CE0_BASE,
  91         .end            = DM644X_ASYNC_EMIF_DATA_CE0_BASE + SZ_16M - 1,
  92         .flags          = IORESOURCE_MEM,
  93 };
  94
  95 static struct platform_device davinci_evm_norflash_device = {
  96         .name           = "physmap-flash",
  97         .id             = 0,
  98         .dev            = {
  99                 .platform_data  = &davinci_evm_norflash_data,
 100         },
 101         .num_resources  = 1,
 102         .resource       = &davinci_evm_norflash_resource,
 103 };
 104
 105 /* DM644x EVM includes a 64 MByte small-page NAND flash (16K blocks).
 106  * It may used instead of the (default) NOR chip to boot, using TI's
 107  * tools to install the secondary boot loader (UBL) and U-Boot.
 108  */
 109 static struct mtd_partition davinci_evm_nandflash_partition[] = {
 110         /* Bootloader layout depends on whose u-boot is installed, but we
 111          * can hide all the details.
 112          *  - block 0 for u-boot environment ... in mainline u-boot
 113          *  - block 1 for UBL (plus up to four backup copies in blocks 2..5)
 114          *  - blocks 6...? for u-boot
 115          *  - blocks 16..23 for u-boot environment ... in TI's u-boot
 116          */
 117         {
 118                 .name           = "bootloader",
 119                 .offset         = 0,
 120                 .size           = SZ_256K + SZ_128K,
 121                 .mask_flags     = MTD_WRITEABLE,        /* force read-only */
 122         },
 123         /* Kernel */
 124         {
 125                 .name           = "kernel",
 126                 .offset         = MTDPART_OFS_APPEND,
 127                 .size           = SZ_4M,
 128                 .mask_flags     = 0,
 129         },
 130         /* File system (older GIT kernels started this on the 5MB mark) */
 131         {
 132                 .name           = "filesystem",
 133                 .offset         = MTDPART_OFS_APPEND,
 134                 .size           = MTDPART_SIZ_FULL,
 135                 .mask_flags     = 0,
 136         }
 137         /* A few blocks at end hold a flash BBT ... created by TI's CCS
 138          * using flashwriter_nand.out, but ignored by TI's versions of
 139          * Linux and u-boot.  We boot faster by using them.
 140          */
 141 };
 142
 143 static struct davinci_aemif_timing davinci_evm_nandflash_timing = {
 144         .wsetup         = 20,
 145         .wstrobe        = 40,
 146         .whold          = 20,
 147         .rsetup         = 10,
 148         .rstrobe        = 40,
 149         .rhold          = 10,
 150         .ta             = 40,
 151 };
 152
 153 static struct davinci_nand_pdata davinci_evm_nandflash_data = {
 154         .parts          = davinci_evm_nandflash_partition,
 155         .nr_parts       = ARRAY_SIZE(davinci_evm_nandflash_partition),
 156         .ecc_mode       = NAND_ECC_HW,
 157         .ecc_bits       = 1,
 158         .bbt_options    = NAND_BBT_USE_FLASH,
 159         .timing         = &davinci_evm_nandflash_timing,
 160 };
 161
 162 static struct resource davinci_evm_nandflash_resource[] = {
 163         {
 164                 .start          = DM644X_ASYNC_EMIF_DATA_CE0_BASE,
 165                 .end            = DM644X_ASYNC_EMIF_DATA_CE0_BASE + SZ_16M - 1,
 166                 .flags          = IORESOURCE_MEM,
 167         }, {
 168                 .start          = DM644X_ASYNC_EMIF_CONTROL_BASE,
 169                 .end            = DM644X_ASYNC_EMIF_CONTROL_BASE + SZ_4K - 1,
 170                 .flags          = IORESOURCE_MEM,
 171         },
 172 };
 173
 174 static struct platform_device davinci_evm_nandflash_device = {
 175         .name           = "davinci_nand",
 176         .id             = 0,
 177         .dev            = {
 178                 .platform_data  = &davinci_evm_nandflash_data,
 179         },
 180         .num_resources  = ARRAY_SIZE(davinci_evm_nandflash_resource),
 181         .resource       = davinci_evm_nandflash_resource,
 182 };
 183
 184 static u64 davinci_fb_dma_mask = DMA_BIT_MASK(32);
 185
 186 static struct platform_device davinci_fb_device = {
 187         .name           = "davincifb",
 188         .id             = -1,
 189         .dev = {
 190                 .dma_mask               = &davinci_fb_dma_mask,
 191                 .coherent_dma_mask      = DMA_BIT_MASK(32),
 192         },
 193         .num_resources = 0,
 194 };
 195
 196 static struct tvp514x_platform_data dm644xevm_tvp5146_pdata = {
 197         .clk_polarity = 0,
 198         .hs_polarity = 1,
 199         .vs_polarity = 1
 200 };
 201
 202 #define TVP514X_STD_ALL (V4L2_STD_NTSC | V4L2_STD_PAL)
 203 /* Inputs available at the TVP5146 */
 204 static struct v4l2_input dm644xevm_tvp5146_inputs[] = {
 205         {
 206                 .index = 0,
 207                 .name = "Composite",
 208                 .type = V4L2_INPUT_TYPE_CAMERA,
 209                 .std = TVP514X_STD_ALL,
 210         },
 211         {
 212                 .index = 1,
 213                 .name = "S-Video",
 214                 .type = V4L2_INPUT_TYPE_CAMERA,
 215                 .std = TVP514X_STD_ALL,
 216         },
 217 };
 218
 219 /*
 220  * this is the route info for connecting each input to decoder
 221  * ouput that goes to vpfe. There is a one to one correspondence
 222  * with tvp5146_inputs
 223  */
 224 static struct vpfe_route dm644xevm_tvp5146_routes[] = {
 225         {
 226                 .input = INPUT_CVBS_VI2B,
 227                 .output = OUTPUT_10BIT_422_EMBEDDED_SYNC,
 228         },
 229         {
 230                 .input = INPUT_SVIDEO_VI2C_VI1C,
 231                 .output = OUTPUT_10BIT_422_EMBEDDED_SYNC,
 232         },
 233 };
 234
 235 static struct vpfe_subdev_info dm644xevm_vpfe_sub_devs[] = {
 236         {
 237                 .name = "tvp5146",
 238                 .grp_id = 0,
 239                 .num_inputs = ARRAY_SIZE(dm644xevm_tvp5146_inputs),
 240                 .inputs = dm644xevm_tvp5146_inputs,
 241                 .routes = dm644xevm_tvp5146_routes,
 242                 .can_route = 1,
 243                 .ccdc_if_params = {
 244                         .if_type = VPFE_BT656,
 245                         .hdpol = VPFE_PINPOL_POSITIVE,
 246                         .vdpol = VPFE_PINPOL_POSITIVE,
 247                 },
 248                 .board_info = {
 249                         I2C_BOARD_INFO("tvp5146", 0x5d),
 250                         .platform_data = &dm644xevm_tvp5146_pdata,
 251                 },
 252         },
 253 };
 254
 255 static struct vpfe_config dm644xevm_capture_cfg = {
 256         .num_subdevs = ARRAY_SIZE(dm644xevm_vpfe_sub_devs),
 257         .i2c_adapter_id = 1,
 258         .sub_devs = dm644xevm_vpfe_sub_devs,
 259         .card_name = "DM6446 EVM",
 260         .ccdc = "DM6446 CCDC",
 261 };
 262
 263 static struct platform_device rtc_dev = {
 264         .name           = "rtc_davinci_evm",
 265         .id             = -1,
 266 };
 267
 268 /*----------------------------------------------------------------------*/
 269 #ifdef CONFIG_I2C
 270 /*
 271  * I2C GPIO expanders
 272  */
 273
 274 #define PCF_Uxx_BASE(x) (DAVINCI_N_GPIO + ((x) * 8))
 275
 276
 277 /* U2 -- LEDs */
 278
 279 static struct gpio_led evm_leds[] = {
 280         { .name = "DS8", .active_low = 1,
 281                 .default_trigger = "heartbeat", },
 282         { .name = "DS7", .active_low = 1, },
 283         { .name = "DS6", .active_low = 1, },
 284         { .name = "DS5", .active_low = 1, },
 285         { .name = "DS4", .active_low = 1, },
 286         { .name = "DS3", .active_low = 1, },
 287         { .name = "DS2", .active_low = 1,
 288                 .default_trigger = "mmc0", },
 289         { .name = "DS1", .active_low = 1,
 290                 .default_trigger = "disk-activity", },
 291 };
 292
 293 static const struct gpio_led_platform_data evm_led_data = {
 294         .num_leds       = ARRAY_SIZE(evm_leds),
 295         .leds           = evm_leds,
 296 };
 297
 298 static struct platform_device *evm_led_dev;
 299
 300 static int
 301 evm_led_setup(struct i2c_client *client, int gpio, unsigned ngpio, void *c)
 302 {
 303         struct gpio_led *leds = evm_leds;
 304         int status;
 305
 306         while (ngpio--) {
 307                 leds->gpio = gpio++;
 308                 leds++;
 309         }
 310
 311         /* what an extremely annoying way to be forced to handle
 312          * device unregistration ...
 313          */
 314         evm_led_dev = platform_device_alloc("leds-gpio", 0);
 315         platform_device_add_data(evm_led_dev,
 316                         &evm_led_data, sizeof evm_led_data);
 317
 318         evm_led_dev->dev.parent = &client->dev;
 319         status = platform_device_add(evm_led_dev);
 320         if (status < 0) {
 321                 platform_device_put(evm_led_dev);
 322                 evm_led_dev = NULL;
 323         }
 324         return status;
 325 }
 326
 327 static int
 328 evm_led_teardown(struct i2c_client *client, int gpio, unsigned ngpio, void *c)
 329 {
 330         if (evm_led_dev) {
 331                 platform_device_unregister(evm_led_dev);
 332                 evm_led_dev = NULL;
 333         }
 334         return 0;
 335 }
 336
 337 static struct pcf857x_platform_data pcf_data_u2 = {
 338         .gpio_base      = PCF_Uxx_BASE(0),
 339         .setup          = evm_led_setup,
 340         .teardown       = evm_led_teardown,
 341 };
 342
 343
 344 /* U18 - A/V clock generator and user switch */
 345
 346 static int sw_gpio;
 347
 348 static ssize_t
 349 sw_show(struct device *d, struct device_attribute *a, char *buf)
 350 {
 351         char *s = gpio_get_value_cansleep(sw_gpio) ? "on\n" : "off\n";
 352
 353         strcpy(buf, s);
 354         return strlen(s);
 355 }
 356
 357 static DEVICE_ATTR(user_sw, S_IRUGO, sw_show, NULL);
 358
 359 static int
 360 evm_u18_setup(struct i2c_client *client, int gpio, unsigned ngpio, void *c)
 361 {
 362         int     status;
 363
 364         /* export dip switch option */
 365         sw_gpio = gpio + 7;
 366         status = gpio_request(sw_gpio, "user_sw");
 367         if (status == 0)
 368                 status = gpio_direction_input(sw_gpio);
 369         if (status == 0)
 370                 status = device_create_file(&client->dev, &dev_attr_user_sw);
 371         else
 372                 gpio_free(sw_gpio);
 373         if (status != 0)
 374                 sw_gpio = -EINVAL;
 375
 376         /* audio PLL:  48 kHz (vs 44.1 or 32), single rate (vs double) */
 377         gpio_request(gpio + 3, "pll_fs2");
 378         gpio_direction_output(gpio + 3, 0);
 379
 380         gpio_request(gpio + 2, "pll_fs1");
 381         gpio_direction_output(gpio + 2, 0);
 382
 383         gpio_request(gpio + 1, "pll_sr");
 384         gpio_direction_output(gpio + 1, 0);
 385
 386         return 0;
 387 }
 388
 389 static int
 390 evm_u18_teardown(struct i2c_client *client, int gpio, unsigned ngpio, void *c)
 391 {
 392         gpio_free(gpio + 1);
 393         gpio_free(gpio + 2);
 394         gpio_free(gpio + 3);
 395
 396         if (sw_gpio > 0) {
 397                 device_remove_file(&client->dev, &dev_attr_user_sw);
 398                 gpio_free(sw_gpio);
 399         }
 400         return 0;
 401 }
 402
 403 static struct pcf857x_platform_data pcf_data_u18 = {
 404         .gpio_base      = PCF_Uxx_BASE(1),
 405         .n_latch        = (1 << 3) | (1 << 2) | (1 << 1),
 406         .setup          = evm_u18_setup,
 407         .teardown       = evm_u18_teardown,
 408 };
 409
 410
 411 /* U35 - various I/O signals used to manage USB, CF, ATA, etc */
 412
 413 static int
 414 evm_u35_setup(struct i2c_client *client, int gpio, unsigned ngpio, void *c)
 415 {
 416         /* p0 = nDRV_VBUS (initial:  don't supply it) */
 417         gpio_request(gpio + 0, "nDRV_VBUS");
 418         gpio_direction_output(gpio + 0, 1);
 419
 420         /* p1 = VDDIMX_EN */
 421         gpio_request(gpio + 1, "VDDIMX_EN");
 422         gpio_direction_output(gpio + 1, 1);
 423
 424         /* p2 = VLYNQ_EN */
 425         gpio_request(gpio + 2, "VLYNQ_EN");
 426         gpio_direction_output(gpio + 2, 1);
 427
 428         /* p3 = n3V3_CF_RESET (initial: stay in reset) */
 429         gpio_request(gpio + 3, "nCF_RESET");
 430         gpio_direction_output(gpio + 3, 0);
 431
 432         /* (p4 unused) */
 433
 434         /* p5 = 1V8_WLAN_RESET (initial: stay in reset) */
 435         gpio_request(gpio + 5, "WLAN_RESET");
 436         gpio_direction_output(gpio + 5, 1);
 437
 438         /* p6 = nATA_SEL (initial: select) */
 439         gpio_request(gpio + 6, "nATA_SEL");
 440         gpio_direction_output(gpio + 6, 0);
 441
 442         /* p7 = nCF_SEL (initial: deselect) */
 443         gpio_request(gpio + 7, "nCF_SEL");
 444         gpio_direction_output(gpio + 7, 1);
 445
 446         return 0;
 447 }
 448
 449 static int
 450 evm_u35_teardown(struct i2c_client *client, int gpio, unsigned ngpio, void *c)
 451 {
 452         gpio_free(gpio + 7);
 453         gpio_free(gpio + 6);
 454         gpio_free(gpio + 5);
 455         gpio_free(gpio + 3);
 456         gpio_free(gpio + 2);
 457         gpio_free(gpio + 1);
 458         gpio_free(gpio + 0);
 459         return 0;
 460 }
 461
 462 static struct pcf857x_platform_data pcf_data_u35 = {
 463         .gpio_base      = PCF_Uxx_BASE(2),
 464         .setup          = evm_u35_setup,
 465         .teardown       = evm_u35_teardown,
 466 };
 467
 468 /*----------------------------------------------------------------------*/
 469
 470 /* Most of this EEPROM is unused, but U-Boot uses some data:
 471  *  - 0x7f00, 6 bytes Ethernet Address
 472  *  - 0x0039, 1 byte NTSC vs PAL (bit 0x80 == PAL)
 473  *  - ... newer boards may have more
 474  */
 475
 476 static struct at24_platform_data eeprom_info = {
 477         .byte_len       = (256*1024) / 8,
 478         .page_size      = 64,
 479         .flags          = AT24_FLAG_ADDR16,
 480         .setup          = davinci_get_mac_addr,
 481         .context        = (void *)0x7f00,
 482 };
 483
 484 /*
 485  * MSP430 supports RTC, card detection, input from IR remote, and
 486  * a bit more.  It triggers interrupts on GPIO(7) from pressing
 487  * buttons on the IR remote, and for card detect switches.
 488  */
 489 static struct i2c_client *dm6446evm_msp;
 490
 491 static int dm6446evm_msp_probe(struct i2c_client *client,
 492                 const struct i2c_device_id *id)
 493 {
 494         dm6446evm_msp = client;
 495         return 0;
 496 }
 497
 498 static int dm6446evm_msp_remove(struct i2c_client *client)
 499 {
 500         dm6446evm_msp = NULL;
 501         return 0;
 502 }
 503
 504 static const struct i2c_device_id dm6446evm_msp_ids[] = {
 505         { "dm6446evm_msp", 0, },
 506         { /* end of list */ },
 507 };
 508
 509 static struct i2c_driver dm6446evm_msp_driver = {
 510         .driver.name    = "dm6446evm_msp",
 511         .id_table       = dm6446evm_msp_ids,
 512         .probe          = dm6446evm_msp_probe,
 513         .remove         = dm6446evm_msp_remove,
 514 };
 515
 516 static int dm6444evm_msp430_get_pins(void)
 517 {
 518         static const char txbuf[2] = { 2, 4, };
 519         char buf[4];
 520         struct i2c_msg msg[2] = {
 521                 {
 522                         .flags = 0,
 523                         .len = 2,
 524                         .buf = (void __force *)txbuf,
 525                 },
 526                 {
 527                         .flags = I2C_M_RD,
 528                         .len = 4,
 529                         .buf = buf,
 530                 },
 531         };
 532         int status;
 533
 534         if (!dm6446evm_msp)
 535                 return -ENXIO;
 536
 537         msg[0].addr = dm6446evm_msp->addr;
 538         msg[1].addr = dm6446evm_msp->addr;
 539
 540         /* Command 4 == get input state, returns port 2 and port3 data
 541          *   S Addr W [A] len=2 [A] cmd=4 [A]
 542          *   RS Addr R [A] [len=4] A [cmd=4] A [port2] A [port3] N P
 543          */
 544         status = i2c_transfer(dm6446evm_msp->adapter, msg, 2);
 545         if (status < 0)
 546                 return status;
 547
 548         dev_dbg(&dm6446evm_msp->dev, "PINS: %4ph\n", buf);
 549
 550         return (buf[3] << 8) | buf[2];
 551 }
 552
 553 static int dm6444evm_mmc_get_cd(int module)
 554 {
 555         int status = dm6444evm_msp430_get_pins();
 556
 557         return (status < 0) ? status : !(status & BIT(1));
 558 }
 559
 560 static int dm6444evm_mmc_get_ro(int module)
 561 {
 562         int status = dm6444evm_msp430_get_pins();
 563
 564         return (status < 0) ? status : status & BIT(6 + 8);
 565 }
 566
 567 static struct davinci_mmc_config dm6446evm_mmc_config = {
 568         .get_cd         = dm6444evm_mmc_get_cd,
 569         .get_ro         = dm6444evm_mmc_get_ro,
 570         .wires          = 4,
 571 };
 572
 573 static struct i2c_board_info __initdata i2c_info[] =  {
 574         {
 575                 I2C_BOARD_INFO("dm6446evm_msp", 0x23),
 576         },
 577         {
 578                 I2C_BOARD_INFO("pcf8574", 0x38),
 579                 .platform_data  = &pcf_data_u2,
 580         },
 581         {
 582                 I2C_BOARD_INFO("pcf8574", 0x39),
 583                 .platform_data  = &pcf_data_u18,
 584         },
 585         {
 586                 I2C_BOARD_INFO("pcf8574", 0x3a),
 587                 .platform_data  = &pcf_data_u35,
 588         },
 589         {
 590                 I2C_BOARD_INFO("24c256", 0x50),
 591                 .platform_data  = &eeprom_info,
 592         },
 593         {
 594                 I2C_BOARD_INFO("tlv320aic33", 0x1b),
 595         },
 596 };
 597
 598 /* The msp430 uses a slow bitbanged I2C implementation (ergo 20 KHz),
 599  * which requires 100 usec of idle bus after i2c writes sent to it.
 600  */
 601 static struct davinci_i2c_platform_data i2c_pdata = {
 602         .bus_freq       = 20 /* kHz */,
 603         .bus_delay      = 100 /* usec */,
 604         .sda_pin        = 44,
 605         .scl_pin        = 43,
 606 };
 607
 608 static void __init evm_init_i2c(void)
 609 {
 610         davinci_init_i2c(&i2c_pdata);
 611         i2c_add_driver(&dm6446evm_msp_driver);
 612         i2c_register_board_info(1, i2c_info, ARRAY_SIZE(i2c_info));
 613 }
 614 #endif
 615
 616 #define VENC_STD_ALL    (V4L2_STD_NTSC | V4L2_STD_PAL)
 617
 618 /* venc standard timings */
 619 static struct vpbe_enc_mode_info dm644xevm_enc_std_timing[] = {
 620         {
 621                 .name           = "ntsc",
 622                 .timings_type   = VPBE_ENC_STD,
 623                 .std_id         = V4L2_STD_NTSC,
 624                 .interlaced     = 1,
 625                 .xres           = 720,
 626                 .yres           = 480,
 627                 .aspect         = {11, 10},
 628                 .fps            = {30000, 1001},
 629                 .left_margin    = 0x79,
 630                 .upper_margin   = 0x10,
 631         },
 632         {
 633                 .name           = "pal",
 634                 .timings_type   = VPBE_ENC_STD,
 635                 .std_id         = V4L2_STD_PAL,
 636                 .interlaced     = 1,
 637                 .xres           = 720,
 638                 .yres           = 576,
 639                 .aspect         = {54, 59},
 640                 .fps            = {25, 1},
 641                 .left_margin    = 0x7e,
 642                 .upper_margin   = 0x16,
 643         },
 644 };
 645
 646 /* venc dv preset timings */
 647 static struct vpbe_enc_mode_info dm644xevm_enc_preset_timing[] = {
 648         {
 649                 .name           = "480p59_94",
 650                 .timings_type   = VPBE_ENC_DV_TIMINGS,
 651                 .dv_timings     = V4L2_DV_BT_CEA_720X480P59_94,
 652                 .interlaced     = 0,
 653                 .xres           = 720,
 654                 .yres           = 480,
 655                 .aspect         = {1, 1},
 656                 .fps            = {5994, 100},
 657                 .left_margin    = 0x80,
 658                 .upper_margin   = 0x20,
 659         },
 660         {
 661                 .name           = "576p50",
 662                 .timings_type   = VPBE_ENC_DV_TIMINGS,
 663                 .dv_timings     = V4L2_DV_BT_CEA_720X576P50,
 664                 .interlaced     = 0,
 665                 .xres           = 720,
 666                 .yres           = 576,
 667                 .aspect         = {1, 1},
 668                 .fps            = {50, 1},
 669                 .left_margin    = 0x7e,
 670                 .upper_margin   = 0x30,
 671         },
 672 };
 673
 674 /*
 675  * The outputs available from VPBE + encoders. Keep the order same
 676  * as that of encoders. First those from venc followed by that from
 677  * encoders. Index in the output refers to index on a particular encoder.
 678  * Driver uses this index to pass it to encoder when it supports more
 679  * than one output. Userspace applications use index of the array to
 680  * set an output.
 681  */
 682 static struct vpbe_output dm644xevm_vpbe_outputs[] = {
 683         {
 684                 .output         = {
 685                         .index          = 0,
 686                         .name           = "Composite",
 687                         .type           = V4L2_OUTPUT_TYPE_ANALOG,
 688                         .std            = VENC_STD_ALL,
 689                         .capabilities   = V4L2_OUT_CAP_STD,
 690                 },
 691                 .subdev_name    = DM644X_VPBE_VENC_SUBDEV_NAME,
 692                 .default_mode   = "ntsc",
 693                 .num_modes      = ARRAY_SIZE(dm644xevm_enc_std_timing),
 694                 .modes          = dm644xevm_enc_std_timing,
 695         },
 696         {
 697                 .output         = {
 698                         .index          = 1,
 699                         .name           = "Component",
 700                         .type           = V4L2_OUTPUT_TYPE_ANALOG,
 701                         .capabilities   = V4L2_OUT_CAP_DV_TIMINGS,
 702                 },
 703                 .subdev_name    = DM644X_VPBE_VENC_SUBDEV_NAME,
 704                 .default_mode   = "480p59_94",
 705                 .num_modes      = ARRAY_SIZE(dm644xevm_enc_preset_timing),
 706                 .modes          = dm644xevm_enc_preset_timing,
 707         },
 708 };
 709
 710 static struct vpbe_config dm644xevm_display_cfg = {
 711         .module_name    = "dm644x-vpbe-display",
 712         .i2c_adapter_id = 1,
 713         .osd            = {
 714                 .module_name    = DM644X_VPBE_OSD_SUBDEV_NAME,
 715         },
 716         .venc           = {
 717                 .module_name    = DM644X_VPBE_VENC_SUBDEV_NAME,
 718         },
 719         .num_outputs    = ARRAY_SIZE(dm644xevm_vpbe_outputs),
 720         .outputs        = dm644xevm_vpbe_outputs,
 721 };
 722
 723 static struct platform_device *davinci_evm_devices[] __initdata = {
 724         &davinci_fb_device,
 725         &rtc_dev,
 726 };
 727
 728 static void __init
 729 davinci_evm_map_io(void)
 730 {
 731         dm644x_init();
 732 }
 733
 734 static int davinci_phy_fixup(struct phy_device *phydev)
 735 {
 736         unsigned int control;
 737         /* CRITICAL: Fix for increasing PHY signal drive strength for
 738          * TX lockup issue. On DaVinci EVM, the Intel LXT971 PHY
 739          * signal strength was low causing  TX to fail randomly. The
 740          * fix is to Set bit 11 (Increased MII drive strength) of PHY
 741          * register 26 (Digital Config register) on this phy. */
 742         control = phy_read(phydev, 26);
 743         phy_write(phydev, 26, (control | 0x800));
 744         return 0;
 745 }
 746
 747 #define HAS_ATA         IS_ENABLED(CONFIG_BLK_DEV_PALMCHIP_BK3710)
 748
 749 #define HAS_NOR         IS_ENABLED(CONFIG_MTD_PHYSMAP)
 750
 751 #define HAS_NAND        IS_ENABLED(CONFIG_MTD_NAND_DAVINCI)
 752
 753 static __init void davinci_evm_init(void)
 754 {
 755         int ret;
 756         struct clk *aemif_clk;
 757         struct davinci_soc_info *soc_info = &davinci_soc_info;
 758
 759         ret = dm644x_gpio_register();
 760         if (ret)
 761                 pr_warn("%s: GPIO init failed: %d\n", __func__, ret);
 762
 763         aemif_clk = clk_get(NULL, "aemif");
 764         clk_prepare_enable(aemif_clk);
 765
 766         if (HAS_ATA) {
 767                 if (HAS_NAND || HAS_NOR)
 768                         pr_warn("WARNING: both IDE and Flash are enabled, but they share AEMIF pins\n"
 769                                 "\tDisable IDE for NAND/NOR support\n");
 770                 davinci_init_ide();
 771         } else if (HAS_NAND || HAS_NOR) {
 772                 davinci_cfg_reg(DM644X_HPIEN_DISABLE);
 773                 davinci_cfg_reg(DM644X_ATAEN_DISABLE);
 774
 775                 /* only one device will be jumpered and detected */
 776                 if (HAS_NAND) {
 777                         platform_device_register(&davinci_evm_nandflash_device);
 778
 779                         if (davinci_aemif_setup(&davinci_evm_nandflash_device))
 780                                 pr_warn("%s: Cannot configure AEMIF\n",
 781                                         __func__);
 782
 783 #ifdef CONFIG_I2C
 784                         evm_leds[7].default_trigger = "nand-disk";
 785 #endif
 786                         if (HAS_NOR)
 787                                 pr_warn("WARNING: both NAND and NOR flash are enabled; disable one of them.\n");
 788                 } else if (HAS_NOR)
 789                         platform_device_register(&davinci_evm_norflash_device);
 790         }
 791
 792         platform_add_devices(davinci_evm_devices,
 793                              ARRAY_SIZE(davinci_evm_devices));
 794 #ifdef CONFIG_I2C
 795         evm_init_i2c();
 796         davinci_setup_mmc(0, &dm6446evm_mmc_config);
 797 #endif
 798         dm644x_init_video(&dm644xevm_capture_cfg, &dm644xevm_display_cfg);
 799
 800         davinci_serial_init(dm644x_serial_device);
 801         dm644x_init_asp();
 802
 803         /* irlml6401 switches over 1A, in under 8 msec */
 804         davinci_setup_usb(1000, 8);
 805
 806         if (IS_BUILTIN(CONFIG_PHYLIB)) {
 807                 soc_info->emac_pdata->phy_id = DM644X_EVM_PHY_ID;
 808                 /* Register the fixup for PHY on DaVinci */
 809                 phy_register_fixup_for_uid(LXT971_PHY_ID, LXT971_PHY_MASK,
 810                                                 davinci_phy_fixup);
 811         }
 812 }
 813
 814 MACHINE_START(DAVINCI_EVM, "DaVinci DM644x EVM")
 815         /* Maintainer: MontaVista Software <source@mvista.com> */
 816         .atag_offset  = 0x100,
 817         .map_io       = davinci_evm_map_io,
 818         .init_irq     = davinci_irq_init,
 819         .init_time      = davinci_timer_init,
 820         .init_machine = davinci_evm_init,
 821         .init_late      = davinci_init_late,
 822         .dma_zone_size  = SZ_128M,
 823         .restart        = davinci_restart,
 824 MACHINE_END