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  * See file CREDITS for list of people who contributed to this
   7  * project.
   8  *
   9  * This program is free software; you can redistribute it and/or
  10  * modify it under the terms of the GNU General Public License as
  11  * published by the Free Software Foundation; either version 2 of
  12  * the License, or (at your option) any later version.
  13  *
  14  * This program is distributed in the hope that it will be useful,
  15  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17  * GNU General Public License for more details.
  18  *
  19  * You should have received a copy of the GNU General Public License
  20  * along with this program; if not, write to the Free Software
  21  * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
  22  * MA 02111-1307 USA
  23  */
  24
  25 #include <common.h>
  26 #include <command.h>
  27 #include <i2c.h>
  28 #include <usb.h>
  29
  30 #ifdef CONFIG_CMD_BSP
  31
  32 static int do_i2c_test(char *argv[])
  33 {
  34         unsigned char temp, temp1;
  35
  36         printf("Starting I2C Test\n"
  37                 "Please set Jumper:\nI2C SDA 2-3\nI2C SCL 2-3\n\n"
  38                 "Please press any key to start\n\n");
  39         getc();
  40
  41         temp = 0xf0; /* set io 0-4 as output */
  42         i2c_write(CONFIG_SYS_I2C_IO, 3, 1, (uchar *)&temp, 1);
  43
  44         printf("Press I2C4-7. LED I2C0-3 should have the same state\n\n"
  45                 "Press any key to stop\n\n");
  46
  47         while (!tstc()) {
  48                 i2c_read(CONFIG_SYS_I2C_IO, 0, 1, (uchar *)&temp, 1);
  49                 temp1 = (temp >> 4) & 0x03;
  50                 temp1 |= (temp >> 3) & 0x08; /* S302 -> LED303 */
  51                 temp1 |= (temp >> 5) & 0x04; /* S303 -> LED302 */
  52                 temp = temp1;
  53                 i2c_write(CONFIG_SYS_I2C_IO, 1, 1, (uchar *)&temp, 1);
  54         }
  55         getc();
  56
  57         return 0;
  58 }
  59
  60 static int do_usb_test(char *argv[])
  61 {
  62         int i;
  63         static int usb_stor_curr_dev = -1; /* current device */
  64
  65         printf("Starting USB Test\n"
  66                 "Please insert USB Memmory Stick\n\n"
  67                 "Please press any key to start\n\n");
  68         getc();
  69
  70         usb_stop();
  71         printf("(Re)start USB...\n");
  72         i = usb_init();
  73 #ifdef CONFIG_USB_STORAGE
  74                 /* try to recognize storage devices immediately */
  75                 if (i >= 0)
  76                         usb_stor_curr_dev = usb_stor_scan(1);
  77 #endif /* CONFIG_USB_STORAGE */
  78         if (usb_stor_curr_dev >= 0)
  79                 printf("Found USB Storage Dev continue with Test...\n");
  80         else {
  81                 printf("No USB Storage Device detected.. Stop Test\n");
  82                 return 1;
  83         }
  84
  85         usb_stor_info();
  86
  87         printf("stopping USB..\n");
  88         usb_stop();
  89
  90         return 0;
  91 }
  92
  93 static int do_led_test(char *argv[])
  94 {
  95         int i = 0;
  96         struct mpc5xxx_gpt_0_7 *gpt = (struct mpc5xxx_gpt_0_7 *)MPC5XXX_GPT;
  97
  98         printf("Starting LED Test\n"
  99                 "Please set Switch S500 all off\n\n"
 100                 "Please press any key to start\n\n");
 101         getc();
 102
 103         /* configure timer 2-3 for simple GPIO output High */
 104         gpt->gpt2.emsr |= 0x00000034;
 105         gpt->gpt3.emsr |= 0x00000034;
 106
 107         (*(vu_long *)MPC5XXX_WU_GPIO_ENABLE) |= 0x80000000;
 108         (*(vu_long *)MPC5XXX_WU_GPIO_DIR) |= 0x80000000;
 109         printf("Please press any key to stop\n\n");
 110         while (!tstc()) {
 111                 if (i == 1) {
 112                         (*(vu_long *)MPC5XXX_WU_GPIO_DATA_O) |= 0x80000000;
 113                         gpt->gpt2.emsr &= ~0x00000010;
 114                         gpt->gpt3.emsr &= ~0x00000010;
 115                 } else if (i == 2) {
 116                         (*(vu_long *)MPC5XXX_WU_GPIO_DATA_O) &= ~0x80000000;
 117                         gpt->gpt2.emsr &= ~0x00000010;
 118                         gpt->gpt3.emsr |= 0x00000010;
 119                 } else if (i >= 3) {
 120                         (*(vu_long *)MPC5XXX_WU_GPIO_DATA_O) &= ~0x80000000;
 121                         gpt->gpt3.emsr &= ~0x00000010;
 122                         gpt->gpt2.emsr |= 0x00000010;
 123                         i = 0;
 124                 }
 125                 i++;
 126                 udelay(200000);
 127         }
 128         getc();
 129
 130         (*(vu_long *)MPC5XXX_WU_GPIO_DATA_O) |= 0x80000000;
 131         gpt->gpt2.emsr |= 0x00000010;
 132         gpt->gpt3.emsr |= 0x00000010;
 133
 134         return 0;
 135 }
 136
 137 static int do_rs232_test(char *argv[])
 138 {
 139         int error_status = 0;
 140         struct mpc5xxx_gpio *gpio = (struct mpc5xxx_gpio *)MPC5XXX_GPIO;
 141         struct mpc5xxx_psc *psc1 = (struct mpc5xxx_psc *)MPC5XXX_PSC1;
 142
 143         /* Configure PSC 2-3-6 as GPIO */
 144         gpio->port_config &= 0xFF0FF80F;
 145
 146         switch (simple_strtoul(argv[2], NULL, 10)) {
 147         case 1:
 148                 /* check RTS <-> CTS loop */
 149                 /* set rts to 0 */
 150                 printf("Uart 1 test: RX TX tested by using U-Boot\n"
 151                         "Please connect RTS with CTS on Uart1 plug\n\n"
 152                         "Press any key to start\n\n");
 153                 getc();
 154
 155                 psc1->op1 |= 0x01;
 156
 157                 /* wait some time before requesting status */
 158                 udelay(10);
 159
 160                 /* check status at cts */
 161                 if ((psc1->ip & 0x01) != 0) {
 162                         error_status = 3;
 163                         printf("%s: failure at rs232_1, cts status is %d "
 164                                 "(should be 0)\n",
 165                                 __FUNCTION__, (psc1->ip & 0x01));
 166                 }
 167
 168                 /* set rts to 1 */
 169                 psc1->op0 |= 0x01;
 170
 171                 /* wait some time before requesting status */
 172                 udelay(10);
 173
 174                 /* check status at cts */
 175                 if ((psc1->ip & 0x01) != 1) {
 176                         error_status = 3;
 177                         printf("%s: failure at rs232_1, cts status is %d "
 178                                 "(should be 1)\n",
 179                                 __FUNCTION__, (psc1->ip & 0x01));
 180                 }
 181                 break;
 182         case 2:
 183                 /* set PSC2_0, PSC2_2 as output and PSC2_1, PSC2_3 as input */
 184                 printf("Uart 2 test: Please use RS232 Loopback plug on UART2\n"
 185                         "\nPress any key to start\n\n");
 186                 getc();
 187
 188                 gpio->simple_gpioe &= ~(0x000000F0);
 189                 gpio->simple_gpioe |= 0x000000F0;
 190                 gpio->simple_ddr &= ~(0x000000F0);
 191                 gpio->simple_ddr |= 0x00000050;
 192
 193                 /* check TXD <-> RXD loop */
 194                 /* set TXD to 1 */
 195                 gpio->simple_dvo |= (1 << 4);
 196
 197                 /* wait some time before requesting status */
 198                 udelay(10);
 199
 200                 if ((gpio->simple_ival & 0x00000020) != 0x00000020) {
 201                         error_status = 2;
 202                         printf("%s: failure at rs232_2, rxd status is %d "
 203                                 "(should be 1)\n", __FUNCTION__,
 204                                 (gpio->simple_ival & 0x00000020) >> 5);
 205                 }
 206
 207                 /* set TXD to 0 */
 208                 gpio->simple_dvo &= ~(1 << 4);
 209
 210                 /* wait some time before requesting status */
 211                 udelay(10);
 212
 213                 if ((gpio->simple_ival & 0x00000020) != 0x00000000) {
 214                         error_status = 2;
 215                         printf("%s: failure at rs232_2, rxd status is %d "
 216                                 "(should be 0)\n", __FUNCTION__,
 217                                 (gpio->simple_ival & 0x00000020) >> 5);
 218                 }
 219
 220                 /* check RTS <-> CTS loop */
 221                 /* set RTS to 1 */
 222                 gpio->simple_dvo |= (1 << 6);
 223
 224                 /* wait some time before requesting status */
 225                 udelay(10);
 226
 227                 if ((gpio->simple_ival & 0x00000080) != 0x00000080) {
 228                         error_status = 3;
 229                         printf("%s: failure at rs232_2, cts status is %d "
 230                                 "(should be 1)\n", __FUNCTION__,
 231                                 (gpio->simple_ival & 0x00000080) >> 7);
 232                 }
 233
 234                 /* set RTS to 0 */
 235                 gpio->simple_dvo &= ~(1 << 6);
 236
 237                 /* wait some time before requesting status */
 238                 udelay(10);
 239
 240                 if ((gpio->simple_ival & 0x00000080) != 0x00000000) {
 241                         error_status = 3;
 242                         printf("%s: failure at rs232_2, cts status is %d "
 243                                 "(should be 0)\n", __FUNCTION__,
 244                                 (gpio->simple_ival & 0x00000080) >> 7);
 245                 }
 246                 break;
 247         case 3:
 248                 /* set PSC3_0, PSC3_2 as output and PSC3_1, PSC3_3 as input */
 249                 printf("Uart 3 test: Please use RS232 Loopback plug on UART2\n"
 250                         "\nPress any key to start\n\n");
 251                 getc();
 252
 253                 gpio->simple_gpioe &= ~(0x00000F00);
 254                 gpio->simple_gpioe |= 0x00000F00;
 255
 256                 gpio->simple_ddr &= ~(0x00000F00);
 257                 gpio->simple_ddr |= 0x00000500;
 258
 259                 /* check TXD <-> RXD loop */
 260                 /* set TXD to 1 */
 261                 gpio->simple_dvo |= (1 << 8);
 262
 263                 /* wait some time before requesting status */
 264                 udelay(10);
 265
 266                 if ((gpio->simple_ival & 0x00000200) != 0x00000200) {
 267                         error_status = 2;
 268                         printf("%s: failure at rs232_3, rxd status is %d "
 269                                 "(should be 1)\n", __FUNCTION__,
 270                                 (gpio->simple_ival & 0x00000200) >> 9);
 271                 }
 272
 273                 /* set TXD to 0 */
 274                 gpio->simple_dvo &= ~(1 << 8);
 275
 276                 /* wait some time before requesting status */
 277                 udelay(10);
 278
 279                 if ((gpio->simple_ival & 0x00000200) != 0x00000000) {
 280                         error_status = 2;
 281                         printf("%s: failure at rs232_3, rxd status is %d "
 282                                 "(should be 0)\n", __FUNCTION__,
 283                                 (gpio->simple_ival & 0x00000200) >> 9);
 284                 }
 285
 286                 /* check RTS <-> CTS loop */
 287                 /* set RTS to 1 */
 288                 gpio->simple_dvo |= (1 << 10);
 289
 290                 /* wait some time before requesting status */
 291                 udelay(10);
 292
 293                 if ((gpio->simple_ival & 0x00000800) != 0x00000800) {
 294                         error_status = 3;
 295                         printf("%s: failure at rs232_3, cts status is %d "
 296                                 "(should be 1)\n", __FUNCTION__,
 297                                 (gpio->simple_ival & 0x00000800) >> 11);
 298                 }
 299
 300                 /* set RTS to 0 */
 301                 gpio->simple_dvo &= ~(1 << 10);
 302
 303                 /* wait some time before requesting status */
 304                 udelay(10);
 305
 306                 if ((gpio->simple_ival & 0x00000800) != 0x00000000) {
 307                         error_status = 3;
 308                         printf("%s: failure at rs232_3, cts status is %d "
 309                                 "(should be 0)\n", __FUNCTION__,
 310                                 (gpio->simple_ival & 0x00000800) >> 11);
 311                 }
 312                 break;
 313         case 4:
 314                 /* set PSC6_2, PSC6_3 as output and PSC6_0, PSC6_1 as input */
 315                 printf("Uart 4 test: Please use RS232 Loopback plug on UART2\n"
 316                         "\nPress any key to start\n\n");
 317                 getc();
 318
 319                 gpio->simple_gpioe &= ~(0xF0000000);
 320                 gpio->simple_gpioe |= 0x30000000;
 321
 322                 gpio->simple_ddr &= ~(0xf0000000);
 323                 gpio->simple_ddr |= 0x30000000;
 324
 325                 (*(vu_long *)MPC5XXX_WU_GPIO_ENABLE) |= 0x30000000;
 326                 (*(vu_long *)MPC5XXX_WU_GPIO_DIR) &= ~(0x30000000);
 327
 328                 /* check TXD <-> RXD loop */
 329                 /* set TXD to 1 */
 330                 gpio->simple_dvo |= (1 << 28);
 331
 332                 /* wait some time before requesting status */
 333                 udelay(10);
 334
 335                 if (((*(vu_long *)MPC5XXX_WU_GPIO_DATA_I) & 0x10000000) !=
 336                                 0x10000000) {
 337                         error_status = 2;
 338                         printf("%s: failure at rs232_4, rxd status is %lu "
 339                                 "(should be 1)\n", __FUNCTION__,
 340                                 ((*(vu_long *)MPC5XXX_WU_GPIO_DATA_I) &
 341                                         0x10000000) >> 28);
 342                 }
 343
 344                 /* set TXD to 0 */
 345                 gpio->simple_dvo &= ~(1 << 28);
 346
 347                 /* wait some time before requesting status */
 348                 udelay(10);
 349
 350                 if (((*(vu_long *)MPC5XXX_WU_GPIO_DATA_I) & 0x10000000) !=
 351                                 0x00000000) {
 352                         error_status = 2;
 353                         printf("%s: failure at rs232_4, rxd status is %lu "
 354                                 "(should be 0)\n", __FUNCTION__,
 355                                 ((*(vu_long *)MPC5XXX_WU_GPIO_DATA_I) &
 356                                         0x10000000) >> 28);
 357                 }
 358
 359                 /* check RTS <-> CTS loop */
 360                 /* set RTS to 1 */
 361                 gpio->simple_dvo |= (1 << 29);
 362
 363                 /* wait some time before requesting status */
 364                 udelay(10);
 365
 366                 if (((*(vu_long *)MPC5XXX_WU_GPIO_DATA_I) & 0x20000000) !=
 367                                 0x20000000) {
 368                         error_status = 3;
 369                         printf("%s: failure at rs232_4, cts status is %lu "
 370                                 "(should be 1)\n", __FUNCTION__,
 371                                 ((*(vu_long *)MPC5XXX_WU_GPIO_DATA_I) &
 372                                         0x20000000) >> 29);
 373                 }
 374
 375                 /* set RTS to 0 */
 376                 gpio->simple_dvo &= ~(1 << 29);
 377
 378                 /* wait some time before requesting status */
 379                 udelay(10);
 380
 381                 if (((*(vu_long *)MPC5XXX_WU_GPIO_DATA_I) & 0x20000000) !=
 382                                 0x00000000) {
 383                         error_status = 3;
 384                         printf("%s: failure at rs232_4, cts status is %lu "
 385                                 "(should be 0)\n", __FUNCTION__,
 386                                 ((*(vu_long *)MPC5XXX_WU_GPIO_DATA_I) &
 387                                         0x20000000) >> 29);
 388                 }
 389                 break;
 390         default:
 391                 printf("%s: invalid rs232 number %s\n", __FUNCTION__, argv[2]);
 392                 error_status = 1;
 393                 break;
 394         }
 395         gpio->port_config |= (CONFIG_SYS_GPS_PORT_CONFIG & 0xFF0FF80F);
 396
 397         return error_status;
 398 }
 399
 400 static int cmd_fkt(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
 401 {
 402         int rcode = -1;
 403
 404         switch (argc) {
 405         case 2:
 406                 if (strncmp(argv[1], "i2c", 3) == 0)
 407                         rcode = do_i2c_test(argv);
 408                 else if (strncmp(argv[1], "led", 3) == 0)
 409                         rcode = do_led_test(argv);
 410                 else if (strncmp(argv[1], "usb", 3) == 0)
 411                         rcode = do_usb_test(argv);
 412                 break;
 413         case 3:
 414                 if (strncmp(argv[1], "rs232", 3) == 0)
 415                         rcode = do_rs232_test(argv);
 416                 break;
 417         }
 418
 419         switch (rcode) {
 420         case -1:
 421                 printf("Usage:\n"
 422                         "fkt { i2c | led | usb }\n"
 423                         "fkt rs232 number\n");
 424                 rcode = 1;
 425                 break;
 426         case 0:
 427                 printf("Test passed\n");
 428                 break;
 429         default:
 430                 printf("Test failed with code: %d\n", rcode);
 431         }
 432
 433         return rcode;
 434 }
 435
 436 U_BOOT_CMD(
 437         fkt,    4,      1,      cmd_fkt,
 438         "Function test routines",
 439         "i2c\n"
 440         "     - Test I2C communication\n"
 441         "fkt led\n"
 442         "     - Test LEDs\n"
 443         "fkt rs232 number\n"
 444         "     - Test RS232 (loopback plug(s) for RS232 required)\n"
 445         "fkt usb\n"
 446         "     - Test USB communication"
 447 );
 448 #endif /* CONFIG_CMD_BSP */