board/cm5200/cmd_cm5200.c

   1 /*
   2  * (C) Copyright 2007 Markus Kappeler <markus.kappeler@objectxp.com>
   3  *
   4  * Adapted for U-Boot 1.2 by Piotr Kruszynski <ppk@semihalf.com>
   5  *
   6  * SPDX-License-Identifier:     GPL-2.0+
   7  */
   8
   9 #include <common.h>
  10 #include <command.h>
  11 #include <i2c.h>
  12 #include <usb.h>
  13
  14 #ifdef CONFIG_CMD_BSP
  15
  16 static int do_i2c_test(char * const argv[])
  17 {
  18         unsigned char temp, temp1;
  19
  20         printf("Starting I2C Test\n"
  21                 "Please set Jumper:\nI2C SDA 2-3\nI2C SCL 2-3\n\n"
  22                 "Please press any key to start\n\n");
  23         getc();
  24
  25         temp = 0xf0; /* set io 0-4 as output */
  26         i2c_write(CONFIG_SYS_I2C_IO, 3, 1, (uchar *)&temp, 1);
  27
  28         printf("Press I2C4-7. LED I2C0-3 should have the same state\n\n"
  29                 "Press any key to stop\n\n");
  30
  31         while (!tstc()) {
  32                 i2c_read(CONFIG_SYS_I2C_IO, 0, 1, (uchar *)&temp, 1);
  33                 temp1 = (temp >> 4) & 0x03;
  34                 temp1 |= (temp >> 3) & 0x08; /* S302 -> LED303 */
  35                 temp1 |= (temp >> 5) & 0x04; /* S303 -> LED302 */
  36                 temp = temp1;
  37                 i2c_write(CONFIG_SYS_I2C_IO, 1, 1, (uchar *)&temp, 1);
  38         }
  39         getc();
  40
  41         return 0;
  42 }
  43
  44 static int do_usb_test(char * const argv[])
  45 {
  46         int i;
  47         static int usb_stor_curr_dev = -1; /* current device */
  48
  49         printf("Starting USB Test\n"
  50                 "Please insert USB Memmory Stick\n\n"
  51                 "Please press any key to start\n\n");
  52         getc();
  53
  54         usb_stop();
  55         printf("(Re)start USB...\n");
  56         i = usb_init();
  57 #ifdef CONFIG_USB_STORAGE
  58                 /* try to recognize storage devices immediately */
  59                 if (i >= 0)
  60                         usb_stor_curr_dev = usb_stor_scan(1);
  61 #endif /* CONFIG_USB_STORAGE */
  62         if (usb_stor_curr_dev >= 0)
  63                 printf("Found USB Storage Dev continue with Test...\n");
  64         else {
  65                 printf("No USB Storage Device detected.. Stop Test\n");
  66                 return 1;
  67         }
  68
  69         usb_stor_info();
  70
  71         printf("stopping USB..\n");
  72         usb_stop();
  73
  74         return 0;
  75 }
  76
  77 static int do_led_test(char * const argv[])
  78 {
  79         int i = 0;
  80         struct mpc5xxx_gpt_0_7 *gpt = (struct mpc5xxx_gpt_0_7 *)MPC5XXX_GPT;
  81
  82         printf("Starting LED Test\n"
  83                 "Please set Switch S500 all off\n\n"
  84                 "Please press any key to start\n\n");
  85         getc();
  86
  87         /* configure timer 2-3 for simple GPIO output High */
  88         gpt->gpt2.emsr |= 0x00000034;
  89         gpt->gpt3.emsr |= 0x00000034;
  90
  91         (*(vu_long *)MPC5XXX_WU_GPIO_ENABLE) |= 0x80000000;
  92         (*(vu_long *)MPC5XXX_WU_GPIO_DIR) |= 0x80000000;
  93         printf("Please press any key to stop\n\n");
  94         while (!tstc()) {
  95                 if (i == 1) {
  96                         (*(vu_long *)MPC5XXX_WU_GPIO_DATA_O) |= 0x80000000;
  97                         gpt->gpt2.emsr &= ~0x00000010;
  98                         gpt->gpt3.emsr &= ~0x00000010;
  99                 } else if (i == 2) {
 100                         (*(vu_long *)MPC5XXX_WU_GPIO_DATA_O) &= ~0x80000000;
 101                         gpt->gpt2.emsr &= ~0x00000010;
 102                         gpt->gpt3.emsr |= 0x00000010;
 103                 } else if (i >= 3) {
 104                         (*(vu_long *)MPC5XXX_WU_GPIO_DATA_O) &= ~0x80000000;
 105                         gpt->gpt3.emsr &= ~0x00000010;
 106                         gpt->gpt2.emsr |= 0x00000010;
 107                         i = 0;
 108                 }
 109                 i++;
 110                 udelay(200000);
 111         }
 112         getc();
 113
 114         (*(vu_long *)MPC5XXX_WU_GPIO_DATA_O) |= 0x80000000;
 115         gpt->gpt2.emsr |= 0x00000010;
 116         gpt->gpt3.emsr |= 0x00000010;
 117
 118         return 0;
 119 }
 120
 121 static int do_rs232_test(char * const argv[])
 122 {
 123         int error_status = 0;
 124         struct mpc5xxx_gpio *gpio = (struct mpc5xxx_gpio *)MPC5XXX_GPIO;
 125         struct mpc5xxx_psc *psc1 = (struct mpc5xxx_psc *)MPC5XXX_PSC1;
 126
 127         /* Configure PSC 2-3-6 as GPIO */
 128         gpio->port_config &= 0xFF0FF80F;
 129
 130         switch (simple_strtoul(argv[2], NULL, 10)) {
 131         case 1:
 132                 /* check RTS <-> CTS loop */
 133                 /* set rts to 0 */
 134                 printf("Uart 1 test: RX TX tested by using U-Boot\n"
 135                         "Please connect RTS with CTS on Uart1 plug\n\n"
 136                         "Press any key to start\n\n");
 137                 getc();
 138
 139                 psc1->op1 |= 0x01;
 140
 141                 /* wait some time before requesting status */
 142                 udelay(10);
 143
 144                 /* check status at cts */
 145                 if ((psc1->ip & 0x01) != 0) {
 146                         error_status = 3;
 147                         printf("%s: failure at rs232_1, cts status is %d "
 148                                 "(should be 0)\n",
 149                                 __FUNCTION__, (psc1->ip & 0x01));
 150                 }
 151
 152                 /* set rts to 1 */
 153                 psc1->op0 |= 0x01;
 154
 155                 /* wait some time before requesting status */
 156                 udelay(10);
 157
 158                 /* check status at cts */
 159                 if ((psc1->ip & 0x01) != 1) {
 160                         error_status = 3;
 161                         printf("%s: failure at rs232_1, cts status is %d "
 162                                 "(should be 1)\n",
 163                                 __FUNCTION__, (psc1->ip & 0x01));
 164                 }
 165                 break;
 166         case 2:
 167                 /* set PSC2_0, PSC2_2 as output and PSC2_1, PSC2_3 as input */
 168                 printf("Uart 2 test: Please use RS232 Loopback plug on UART2\n"
 169                         "\nPress any key to start\n\n");
 170                 getc();
 171
 172                 gpio->simple_gpioe &= ~(0x000000F0);
 173                 gpio->simple_gpioe |= 0x000000F0;
 174                 gpio->simple_ddr &= ~(0x000000F0);
 175                 gpio->simple_ddr |= 0x00000050;
 176
 177                 /* check TXD <-> RXD loop */
 178                 /* set TXD to 1 */
 179                 gpio->simple_dvo |= (1 << 4);
 180
 181                 /* wait some time before requesting status */
 182                 udelay(10);
 183
 184                 if ((gpio->simple_ival & 0x00000020) != 0x00000020) {
 185                         error_status = 2;
 186                         printf("%s: failure at rs232_2, rxd status is %d "
 187                                 "(should be 1)\n", __FUNCTION__,
 188                                 (gpio->simple_ival & 0x00000020) >> 5);
 189                 }
 190
 191                 /* set TXD to 0 */
 192                 gpio->simple_dvo &= ~(1 << 4);
 193
 194                 /* wait some time before requesting status */
 195                 udelay(10);
 196
 197                 if ((gpio->simple_ival & 0x00000020) != 0x00000000) {
 198                         error_status = 2;
 199                         printf("%s: failure at rs232_2, rxd status is %d "
 200                                 "(should be 0)\n", __FUNCTION__,
 201                                 (gpio->simple_ival & 0x00000020) >> 5);
 202                 }
 203
 204                 /* check RTS <-> CTS loop */
 205                 /* set RTS to 1 */
 206                 gpio->simple_dvo |= (1 << 6);
 207
 208                 /* wait some time before requesting status */
 209                 udelay(10);
 210
 211                 if ((gpio->simple_ival & 0x00000080) != 0x00000080) {
 212                         error_status = 3;
 213                         printf("%s: failure at rs232_2, cts status is %d "
 214                                 "(should be 1)\n", __FUNCTION__,
 215                                 (gpio->simple_ival & 0x00000080) >> 7);
 216                 }
 217
 218                 /* set RTS to 0 */
 219                 gpio->simple_dvo &= ~(1 << 6);
 220
 221                 /* wait some time before requesting status */
 222                 udelay(10);
 223
 224                 if ((gpio->simple_ival & 0x00000080) != 0x00000000) {
 225                         error_status = 3;
 226                         printf("%s: failure at rs232_2, cts status is %d "
 227                                 "(should be 0)\n", __FUNCTION__,
 228                                 (gpio->simple_ival & 0x00000080) >> 7);
 229                 }
 230                 break;
 231         case 3:
 232                 /* set PSC3_0, PSC3_2 as output and PSC3_1, PSC3_3 as input */
 233                 printf("Uart 3 test: Please use RS232 Loopback plug on UART2\n"
 234                         "\nPress any key to start\n\n");
 235                 getc();
 236
 237                 gpio->simple_gpioe &= ~(0x00000F00);
 238                 gpio->simple_gpioe |= 0x00000F00;
 239
 240                 gpio->simple_ddr &= ~(0x00000F00);
 241                 gpio->simple_ddr |= 0x00000500;
 242
 243                 /* check TXD <-> RXD loop */
 244                 /* set TXD to 1 */
 245                 gpio->simple_dvo |= (1 << 8);
 246
 247                 /* wait some time before requesting status */
 248                 udelay(10);
 249
 250                 if ((gpio->simple_ival & 0x00000200) != 0x00000200) {
 251                         error_status = 2;
 252                         printf("%s: failure at rs232_3, rxd status is %d "
 253                                 "(should be 1)\n", __FUNCTION__,
 254                                 (gpio->simple_ival & 0x00000200) >> 9);
 255                 }
 256
 257                 /* set TXD to 0 */
 258                 gpio->simple_dvo &= ~(1 << 8);
 259
 260                 /* wait some time before requesting status */
 261                 udelay(10);
 262
 263                 if ((gpio->simple_ival & 0x00000200) != 0x00000000) {
 264                         error_status = 2;
 265                         printf("%s: failure at rs232_3, rxd status is %d "
 266                                 "(should be 0)\n", __FUNCTION__,
 267                                 (gpio->simple_ival & 0x00000200) >> 9);
 268                 }
 269
 270                 /* check RTS <-> CTS loop */
 271                 /* set RTS to 1 */
 272                 gpio->simple_dvo |= (1 << 10);
 273
 274                 /* wait some time before requesting status */
 275                 udelay(10);
 276
 277                 if ((gpio->simple_ival & 0x00000800) != 0x00000800) {
 278                         error_status = 3;
 279                         printf("%s: failure at rs232_3, cts status is %d "
 280                                 "(should be 1)\n", __FUNCTION__,
 281                                 (gpio->simple_ival & 0x00000800) >> 11);
 282                 }
 283
 284                 /* set RTS to 0 */
 285                 gpio->simple_dvo &= ~(1 << 10);
 286
 287                 /* wait some time before requesting status */
 288                 udelay(10);
 289
 290                 if ((gpio->simple_ival & 0x00000800) != 0x00000000) {
 291                         error_status = 3;
 292                         printf("%s: failure at rs232_3, cts status is %d "
 293                                 "(should be 0)\n", __FUNCTION__,
 294                                 (gpio->simple_ival & 0x00000800) >> 11);
 295                 }
 296                 break;
 297         case 4:
 298                 /* set PSC6_2, PSC6_3 as output and PSC6_0, PSC6_1 as input */
 299                 printf("Uart 4 test: Please use RS232 Loopback plug on UART2\n"
 300                         "\nPress any key to start\n\n");
 301                 getc();
 302
 303                 gpio->simple_gpioe &= ~(0xF0000000);
 304                 gpio->simple_gpioe |= 0x30000000;
 305
 306                 gpio->simple_ddr &= ~(0xf0000000);
 307                 gpio->simple_ddr |= 0x30000000;
 308
 309                 (*(vu_long *)MPC5XXX_WU_GPIO_ENABLE) |= 0x30000000;
 310                 (*(vu_long *)MPC5XXX_WU_GPIO_DIR) &= ~(0x30000000);
 311
 312                 /* check TXD <-> RXD loop */
 313                 /* set TXD to 1 */
 314                 gpio->simple_dvo |= (1 << 28);
 315
 316                 /* wait some time before requesting status */
 317                 udelay(10);
 318
 319                 if (((*(vu_long *)MPC5XXX_WU_GPIO_DATA_I) & 0x10000000) !=
 320                                 0x10000000) {
 321                         error_status = 2;
 322                         printf("%s: failure at rs232_4, rxd status is %lu "
 323                                 "(should be 1)\n", __FUNCTION__,
 324                                 ((*(vu_long *)MPC5XXX_WU_GPIO_DATA_I) &
 325                                         0x10000000) >> 28);
 326                 }
 327
 328                 /* set TXD to 0 */
 329                 gpio->simple_dvo &= ~(1 << 28);
 330
 331                 /* wait some time before requesting status */
 332                 udelay(10);
 333
 334                 if (((*(vu_long *)MPC5XXX_WU_GPIO_DATA_I) & 0x10000000) !=
 335                                 0x00000000) {
 336                         error_status = 2;
 337                         printf("%s: failure at rs232_4, rxd status is %lu "
 338                                 "(should be 0)\n", __FUNCTION__,
 339                                 ((*(vu_long *)MPC5XXX_WU_GPIO_DATA_I) &
 340                                         0x10000000) >> 28);
 341                 }
 342
 343                 /* check RTS <-> CTS loop */
 344                 /* set RTS to 1 */
 345                 gpio->simple_dvo |= (1 << 29);
 346
 347                 /* wait some time before requesting status */
 348                 udelay(10);
 349
 350                 if (((*(vu_long *)MPC5XXX_WU_GPIO_DATA_I) & 0x20000000) !=
 351                                 0x20000000) {
 352                         error_status = 3;
 353                         printf("%s: failure at rs232_4, cts status is %lu "
 354                                 "(should be 1)\n", __FUNCTION__,
 355                                 ((*(vu_long *)MPC5XXX_WU_GPIO_DATA_I) &
 356                                         0x20000000) >> 29);
 357                 }
 358
 359                 /* set RTS to 0 */
 360                 gpio->simple_dvo &= ~(1 << 29);
 361
 362                 /* wait some time before requesting status */
 363                 udelay(10);
 364
 365                 if (((*(vu_long *)MPC5XXX_WU_GPIO_DATA_I) & 0x20000000) !=
 366                                 0x00000000) {
 367                         error_status = 3;
 368                         printf("%s: failure at rs232_4, cts status is %lu "
 369                                 "(should be 0)\n", __FUNCTION__,
 370                                 ((*(vu_long *)MPC5XXX_WU_GPIO_DATA_I) &
 371                                         0x20000000) >> 29);
 372                 }
 373                 break;
 374         default:
 375                 printf("%s: invalid rs232 number %s\n", __FUNCTION__, argv[2]);
 376                 error_status = 1;
 377                 break;
 378         }
 379         gpio->port_config |= (CONFIG_SYS_GPS_PORT_CONFIG & 0xFF0FF80F);
 380
 381         return error_status;
 382 }
 383
 384 static int cmd_fkt(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
 385 {
 386         int rcode = -1;
 387
 388         switch (argc) {
 389         case 2:
 390                 if (strncmp(argv[1], "i2c", 3) == 0)
 391                         rcode = do_i2c_test(argv);
 392                 else if (strncmp(argv[1], "led", 3) == 0)
 393                         rcode = do_led_test(argv);
 394                 else if (strncmp(argv[1], "usb", 3) == 0)
 395                         rcode = do_usb_test(argv);
 396                 break;
 397         case 3:
 398                 if (strncmp(argv[1], "rs232", 3) == 0)
 399                         rcode = do_rs232_test(argv);
 400                 break;
 401         }
 402
 403         switch (rcode) {
 404         case -1:
 405                 printf("Usage:\n"
 406                         "fkt { i2c | led | usb }\n"
 407                         "fkt rs232 number\n");
 408                 rcode = 1;
 409                 break;
 410         case 0:
 411                 printf("Test passed\n");
 412                 break;
 413         default:
 414                 printf("Test failed with code: %d\n", rcode);
 415         }
 416
 417         return rcode;
 418 }
 419
 420 U_BOOT_CMD(
 421         fkt,    4,      1,      cmd_fkt,
 422         "Function test routines",
 423         "i2c\n"
 424         "     - Test I2C communication\n"
 425         "fkt led\n"
 426         "     - Test LEDs\n"
 427         "fkt rs232 number\n"
 428         "     - Test RS232 (loopback plug(s) for RS232 required)\n"
 429         "fkt usb\n"
 430         "     - Test USB communication"
 431 );
 432 #endif /* CONFIG_CMD_BSP */