post/src/post.c

   1 /******************************************************************************
   2  * Copyright (c) 2011 Texas Instruments Incorporated - http://www.ti.com
   3  *
   4  *  Redistribution and use in source and binary forms, with or without
   5  *  modification, are permitted provided that the following conditions
   6  *  are met:
   7  *
   8  *    Redistributions of source code must retain the above copyright
   9  *    notice, this list of conditions and the following disclaimer.
  10  *
  11  *    Redistributions in binary form must reproduce the above copyright
  12  *    notice, this list of conditions and the following disclaimer in the
  13  *    documentation and/or other materials provided with the
  14  *    distribution.
  15  *
  16  *    Neither the name of Texas Instruments Incorporated nor the names of
  17  *    its contributors may be used to endorse or promote products derived
  18  *    from this software without specific prior written permission.
  19  *
  20  *  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  21  *  "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  22  *  LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
  23  *  A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  24  *  OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  25  *  SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  26  *  LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  27  *  DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  28  *  THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  29  *  (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  30  *  OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  31  *
  32  *****************************************************************************/
  33
  34 #include <string.h>
  35 #include "platform.h"
  36 #include "types.h"
  37 #include "post.h"
  38
  39 /* The version string */
  40 #pragma DATA_SECTION(post_version, ".version")
  41 #pragma DATA_ALIGN(post_version, 16)
  42 char post_version[] = POST_VERSION;
  43
  44 /******************************************************************************
  45  * Function:    post_display_led_error
  46  ******************************************************************************/
  47 void
  48 post_display_led_error
  49 (
  50     POST_TEST_ID     test_id
  51 )
  52 {
  53     uint8_t     led_status[POST_MAX_NUM_LED];
  54     uint32_t    i;
  55
  56     memset(led_status, POST_LED_ON, POST_MAX_NUM_LED);
  57     while (TRUE)
  58     {
  59         for (i = 0; i < POST_MAX_NUM_LED; i++)
  60         {
  61             if (post_led_status[test_id][i] == POST_LED_BLINK)
  62             {
  63                 if (led_status[i] == POST_LED_ON)
  64                 {
  65                     led_status[i] = POST_LED_OFF;
  66                 }
  67                 else
  68                 {
  69                     led_status[i] = POST_LED_ON;
  70                 }
  71                 platform_led(i, (PLATFORM_LED_OP)led_status[i], PLATFORM_USER_LED_CLASS);
  72             }
  73             else
  74             {
  75                 platform_led(i, (PLATFORM_LED_OP)post_led_status[test_id][i], PLATFORM_USER_LED_CLASS);
  76             }
  77         }
  78         platform_delay(POST_LED_BLINK_DELAY);
  79         /* POST in the while(1) loop to display the LED error status */
  80     }
  81 }
  82
  83 /******************************************************************************
  84  * Function:    post_write_uart
  85  ******************************************************************************/
  86 Bool
  87 post_write_uart
  88 (
  89     char*      msg
  90 )
  91 {
  92     uint32_t i;
  93     uint32_t msg_len = strlen(msg);
  94
  95     /* Write the message to the UART */
  96     for (i = 0; i < msg_len; i++)
  97     {
  98         if (platform_uart_write(msg[i]) != Platform_EOK)
  99         {
 100             return FALSE;
 101         }
 102     }
 103
 104     return TRUE;
 105 }
 106
 107 /******************************************************************************
 108  * Function:    post_display_status
 109  ******************************************************************************/
 110 void
 111 post_display_status
 112 (
 113     POST_TEST_ID        test_id,
 114     Bool                test_passed
 115 )
 116 {
 117     uint32_t    i;
 118     char        *msg;
 119     char        msg1[40] = "\r\n\r\nPOST ";
 120     char        msg2[] = " test passed!";
 121     char        msg3[] = " test failed!";
 122
 123     msg = strcat(msg1, post_status[test_id]);
 124     switch (test_id)
 125     {
 126     case POST_TEST_IN_PROGRESS:
 127     case POST_TEST_COMPLETE:
 128         /* Form the POST status message to write to the UART */
 129         if (post_write_uart(msg) != TRUE)
 130         {
 131             post_display_led_error(POST_TEST_UART);   /* Never return from this function */
 132         }
 133
 134         for (i = 0; i < POST_MAX_NUM_LED; i++)
 135         {
 136             if (platform_led(i, (PLATFORM_LED_OP)post_led_status[test_id][i], PLATFORM_USER_LED_CLASS) != Platform_EOK)
 137             {
 138                 post_write_uart("POST LED test failed \r\n");
 139             }
 140         }
 141         break;
 142
 143     default:
 144         /* Form the POST status message to write to the UART */
 145         if (test_passed)
 146         {
 147             msg = strcat(msg, msg2);
 148             if (post_write_uart(msg) != TRUE)
 149             {
 150                 post_display_led_error(POST_TEST_UART);   /* Never return from this function */
 151             }
 152         }
 153         else
 154         {
 155             msg = strcat(msg, msg3);
 156             if (post_write_uart(msg) != TRUE)
 157             {
 158                 post_display_led_error(POST_TEST_UART);   /* Never return from this function */
 159             }
 160             post_display_led_error(test_id);  /* Never return from this function */
 161         }
 162         break;
 163     }
 164 }
 165
 166 /******************************************************************************
 167  * Function:    post_test_external_memory
 168  ******************************************************************************/
 169 Bool
 170 post_test_external_memory
 171 (
 172     void
 173 )
 174 {
 175     Bool    test_passed = TRUE;
 176
 177     if(platform_external_memory_test(0, 0) != Platform_EOK)
 178     {
 179         test_passed = FALSE;
 180     }
 181
 182     return test_passed;
 183 }
 184
 185 /******************************************************************************
 186  * Function:    post_test_eeprom
 187  ******************************************************************************/
 188 Bool
 189 post_test_eeprom
 190 (
 191     void
 192 )
 193 {
 194     uint8_t                 test_buf[POST_EEPROM_TEST_READ_LENGTH];
 195     Bool                    test_passed = TRUE;
 196     PLATFORM_DEVICE_info    *p_device;
 197
 198     p_device = platform_device_open(POST_EEPROM_TEST_DEVICE_ID, 0);
 199     if (p_device == NULL)
 200     {
 201         return FALSE;
 202     }
 203
 204     if(platform_device_read(p_device->handle,
 205                             POST_EEPROM_TEST_READ_ADDRESS,
 206                             test_buf,
 207                             POST_EEPROM_TEST_READ_LENGTH) != Platform_EOK)
 208     {
 209         test_passed = FALSE;
 210     }
 211
 212     platform_device_close(p_device->handle);
 213     return test_passed;
 214 }
 215
 216 /******************************************************************************
 217  * Function:    post_test_nand
 218  ******************************************************************************/
 219 Bool
 220 post_test_nand
 221 (
 222     void
 223 )
 224 {
 225     uint8_t                 test_buf[POST_NAND_TEST_READ_LENGTH];
 226     Bool                    test_passed = TRUE;
 227     uint32_t                addr;
 228     PLATFORM_DEVICE_info    *p_device;
 229
 230     p_device = platform_device_open(POST_NAND_TEST_DEVICE_ID, 0);
 231     if (p_device == NULL)
 232     {
 233         return FALSE;
 234     }
 235
 236     addr = (POST_NAND_TEST_READ_BLOCK_NUM * p_device->page_count + POST_NAND_TEST_READ_PAGE_NUM) * p_device->page_size;
 237     if(platform_device_read(p_device->handle,
 238                             addr,
 239                             test_buf,
 240                             POST_NAND_TEST_READ_LENGTH) != Platform_EOK)
 241     {
 242         test_passed = FALSE;
 243     }
 244
 245     platform_device_close(p_device->handle);
 246     return test_passed;
 247 }
 248
 249 /******************************************************************************
 250  * Function:    post_test_nor
 251  ******************************************************************************/
 252 Bool
 253 post_test_nor
 254 (
 255     void
 256 )
 257 {
 258     uint8_t                 test_buf[POST_NOR_TEST_READ_LENGTH];
 259     Bool                    test_passed = TRUE;
 260     PLATFORM_DEVICE_info    *p_device;
 261
 262     p_device = platform_device_open(POST_NOR_TEST_DEVICE_ID, 0);
 263     if (p_device == NULL)
 264     {
 265         return FALSE;
 266     }
 267
 268     if(platform_device_read(p_device->handle,
 269                             POST_NOR_TEST_READ_ADDR,
 270                             test_buf,
 271                             POST_NOR_TEST_READ_LENGTH) != Platform_EOK)
 272     {
 273         test_passed = FALSE;
 274     }
 275
 276     platform_device_close(p_device->handle);
 277     return test_passed;
 278 }
 279
 280 void
 281 post_hex_to_string
 282 (
 283     uint32_t    hex,
 284     uint32_t    nibbles,
 285     char        *msg
 286 )
 287 {
 288     int32_t     i;
 289     uint8_t     nibble;
 290
 291     for (i = (nibbles-1); i >= 0; i--)
 292     {
 293         nibble = hex & 0xf;
 294         if (nibble <= 0x9)
 295         {
 296             nibble += '0';
 297         }
 298         else
 299         {
 300             nibble += ('A' - 0xa);
 301         }
 302
 303         msg[i] = nibble;
 304         hex = hex >> 4;
 305     }
 306     msg[nibbles] = 0;
 307 }
 308
 309 Bool
 310 post_serial_num_isvalid
 311 (
 312     char    c
 313 )
 314 {
 315     if (
 316         ((c >= '0') && (c <= '9'))    ||
 317         ((c >= 'a') && (c <= 'z'))    ||
 318         ((c >= 'A') && (c <= 'Z'))
 319        )
 320     {
 321         return TRUE;
 322     }
 323     else
 324     {
 325         return FALSE;
 326     }
 327 }
 328
 329 /******************************************************************************
 330  * Function:    post_write_serial_no
 331  ******************************************************************************/
 332 void
 333 post_write_serial_no
 334 (
 335     void
 336 )
 337 {
 338     uint32_t                i, j;
 339     uint8_t                 msg[20], msg2[2];
 340     PLATFORM_DEVICE_info    *p_device;
 341
 342     /* Check if user key in the passcode "ti" to enter board serial number */
 343     if (platform_uart_read(msg, POST_UART_READ_TIMEOUT) != Platform_EOK)
 344     {
 345         return;
 346     }
 347     if (msg[0] != 't')
 348     {
 349         return;
 350     }
 351
 352     if (platform_uart_read(msg, POST_UART_READ_TIMEOUT) != Platform_EOK)
 353     {
 354         return;
 355     }
 356     if (msg[0] != 'i')
 357     {
 358         return;
 359     }
 360
 361     /* Passcode verified, prompt the user to enter serial number */
 362     p_device = platform_device_open(PLATFORM_DEVID_EEPROM50, 0);
 363     if (p_device == NULL)
 364     {
 365         return;
 366     }
 367
 368     post_write_uart("\r\n\r\nPlease enter the 10 digit serial number for this board, and then press ENTER key:\r\n\r\n");
 369
 370     i = 0;
 371     msg2[1] = 0;
 372     while (TRUE)
 373     {
 374         if (platform_uart_read(&msg[i], POST_UART_READ_TIMEOUT) != Platform_EOK)
 375         {
 376             platform_device_close(p_device->handle);
 377             post_write_uart("\r\n\r\nSerial number input time out!");
 378             return;
 379         }
 380
 381         if (msg[i] == '\r')
 382         {
 383             break;
 384         }
 385         if ((i < POST_MAX_SN_SIZE) &&  post_serial_num_isvalid(msg[i]))
 386         {
 387             msg2[0] = msg[i];
 388             post_write_uart((char *)msg2);
 389             i++;
 390         }
 391     }
 392
 393     if (i < POST_MAX_SN_SIZE)
 394     {
 395         for (j = i; j < POST_MAX_SN_SIZE; j++)
 396         {
 397             msg[j] = 0xff;
 398         }
 399     }
 400
 401     if(platform_device_write(p_device->handle, POST_SERIAL_NUM_ADDR, msg, 16) == Platform_EOK)
 402     {
 403         post_write_uart("\r\n\r\nSerial number programmed to EEPROM successfully! ");
 404     }
 405     else
 406     {
 407         post_write_uart("\r\n\r\nFailed to program the serial number to EEPROM!");
 408     }
 409     platform_device_close(p_device->handle);
 410
 411 }
 412
 413 /******************************************************************************
 414  * Function:    main function for POST
 415  ******************************************************************************/
 416 void
 417 main
 418 (
 419     void
 420 )
 421 {
 422     platform_init_flags     init_flags;
 423     platform_init_config    init_config;
 424     POST_TEST_ID            test_id = POST_TEST_IN_PROGRESS;
 425     Bool                    test_passed = TRUE;
 426     uint32_t                reset_type;
 427     int32_t                 i;
 428     char                    msg[9];
 429     uint8_t                 mac_addr[6];
 430     platform_info           info;
 431     uint32_t                sa_enable;
 432
 433     /* Turn on all the platform initialize flags */
 434     memset(&init_config, 0, sizeof(platform_init_config));
 435     memset(&init_flags, 0x01, sizeof(platform_init_flags));
 436
 437     /* Initialize the platform */
 438     if (platform_init(&init_flags, &init_config) != Platform_EOK)
 439     {
 440         switch (platform_errno)
 441         {
 442         case PLATFORM_ERRNO_PLL_SETUP:
 443             test_id = POST_TEST_PLL_INIT;
 444             break;
 445         case PLATFORM_ERRNO_NAND:
 446             test_id = POST_TEST_NAND_INIT;
 447             break;
 448         case PLATFORM_ERRNO_NOR:
 449             test_id = POST_TEST_NOR_INIT;
 450             break;
 451         default:
 452             test_id = POST_TEST_GENERAL;
 453             break;
 454         }
 455         test_passed = FALSE;
 456     }
 457
 458     platform_uart_init();
 459     platform_uart_set_baudrate(POST_UART_BAUDRATE);
 460     if (test_id != POST_TEST_PLL_INIT)
 461     {
 462         if (post_write_uart("\r\n\r\n") != TRUE)
 463         {
 464             post_display_led_error(POST_TEST_UART);   /* Never return from this function */
 465         }
 466
 467         platform_get_info(&info);
 468
 469         /* Display the board name */
 470         post_write_uart(info.board_name);
 471
 472         /* Display the POST version */
 473         post_write_uart(POST_EVM_VERSION_MSG);
 474         post_write_uart(post_version);
 475
 476         post_hex_to_string(info.board_rev, 4, msg);
 477         post_write_uart("\r\n\r\nFPGA Version: ");
 478         post_write_uart(msg);
 479
 480         if (info.serial_nbr[0] != 0)
 481         {
 482             post_write_uart("\r\n\r\nBoard Serial Number: ");
 483             post_write_uart(info.serial_nbr);
 484         }
 485
 486         /* Display the EFUSE MAC address */
 487         platform_get_macaddr(PLATFORM_MAC_TYPE_EFUSE, mac_addr);
 488         post_write_uart("\r\n\r\nEFUSE MAC ID is: ");
 489         for (i = 0; i < 6; i++)
 490         {
 491             post_hex_to_string(info.emac.efuse_mac_address[i], 2, msg);
 492             msg[2] = ' ';
 493             msg[3] = 0;
 494             post_write_uart(msg);
 495         }
 496
 497         sa_enable = *(volatile uint32_t *)0x20c0004;
 498         sa_enable &= 0x1;
 499
 500         if (sa_enable)
 501         {
 502             post_write_uart("\r\n\r\nSA is enabled on this board.");
 503         }
 504         else
 505         {
 506             post_write_uart("\r\n\r\nSA is disabled on this board.");
 507         }
 508
 509         /* Read the PLL Reset Type Status register and display on UART */
 510         reset_type = PLL_CTRL_REG_RSTYPE;
 511         post_hex_to_string(reset_type, 8, msg);
 512         post_write_uart("\r\n\r\nPLL Reset Type Status Register: 0x");
 513         post_write_uart(msg);
 514     }
 515
 516     /* Display test in progress UART/LED status or init error */
 517     post_display_status(test_id, test_passed);
 518
 519     test_passed = post_test_external_memory();
 520     post_display_status(POST_TEST_DDR, test_passed);
 521
 522     test_passed = post_test_eeprom();
 523     post_display_status(POST_TEST_EEPROM, test_passed);
 524
 525     test_passed = post_test_nor();
 526     post_display_status(POST_TEST_NOR, test_passed);
 527
 528     test_passed = post_test_nand();
 529     post_display_status(POST_TEST_NAND, test_passed);
 530
 531     post_display_status(POST_TEST_COMPLETE, TRUE);
 532
 533     post_write_serial_no();
 534 }
 535