board/tqc/tqm5200/cmd_stk52xx.c

   1 /*
   2  * (C) Copyright 2005
   3  * Martin Krause, TQ-Systems GmbH, martin.krause@tqs.de.
   4  *
   5  * See file CREDITS for list of people who contributed to this
   6  * project.
   7  *
   8  * This program is free software; you can redistribute it and/or
   9  * modify it under the terms of the GNU General Public License as
  10  * published by the Free Software Foundation; either version 2 of
  11  * the License, or (at your option) any later version.
  12  *
  13  * This program is distributed in the hope that it will be useful,
  14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16  * GNU General Public License for more details.
  17  *
  18  * You should have received a copy of the GNU General Public License
  19  * along with this program; if not, write to the Free Software
  20  * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
  21  * MA 02111-1307 USA
  22  */
  23
  24 /*
  25  * STK52XX specific functions
  26  */
  27 /*#define DEBUG*/
  28
  29 #include <common.h>
  30 #include <command.h>
  31
  32 #if defined(CONFIG_CMD_BSP)
  33
  34 #if defined(CONFIG_STK52XX) || defined(CONFIG_FO300)
  35 #define DEFAULT_VOL     45
  36 #define DEFAULT_FREQ    500
  37 #define DEFAULT_DURATION        200
  38 #define LEFT            1
  39 #define RIGHT           2
  40 #define LEFT_RIGHT      3
  41 #define BL_OFF          0
  42 #define BL_ON           1
  43
  44 #define SM501_GPIO_CTRL_LOW             0x00000008UL
  45 #define SM501_GPIO_CTRL_HIGH            0x0000000CUL
  46 #define SM501_POWER_MODE0_GATE          0x00000040UL
  47 #define SM501_POWER_MODE1_GATE          0x00000048UL
  48 #define POWER_MODE_GATE_GPIO_PWM_I2C    0x00000040UL
  49 #define SM501_GPIO_DATA_LOW             0x00010000UL
  50 #define SM501_GPIO_DATA_HIGH            0x00010004UL
  51 #define SM501_GPIO_DATA_DIR_LOW         0x00010008UL
  52 #define SM501_GPIO_DATA_DIR_HIGH        0x0001000CUL
  53 #define SM501_PANEL_DISPLAY_CONTROL     0x00080000UL
  54
  55 static int i2s_squarewave(unsigned long duration, unsigned int freq,
  56                           unsigned int channel);
  57 static int i2s_sawtooth(unsigned long duration, unsigned int freq,
  58                         unsigned int channel);
  59 static void spi_init(void);
  60 static int spi_transmit(unsigned char data);
  61 static void pcm1772_write_reg(unsigned char addr, unsigned char data);
  62 static void set_attenuation(unsigned char attenuation);
  63
  64 static void spi_init(void)
  65 {
  66         struct mpc5xxx_spi *spi = (struct mpc5xxx_spi*)MPC5XXX_SPI;
  67         struct mpc5xxx_gpio *gpio = (struct mpc5xxx_gpio*)MPC5XXX_GPIO;
  68
  69         /* PSC3 as SPI and GPIOs */
  70         gpio->port_config &= 0xFFFFF0FF;
  71         gpio->port_config |= 0x00000800;
  72         /*
  73          * Its important to use the correct order when initializing the
  74          * registers
  75          */
  76         spi->ddr = 0x0F; /* set all SPI pins as output */
  77         spi->pdr = 0x08; /* set SS high */
  78         spi->cr1 = 0x50; /* SPI is master, SS is general purpose output */
  79         spi->cr2 = 0x00; /* normal operation */
  80         spi->brr = 0xFF; /* baud rate: IPB clock / 2048 */
  81 }
  82
  83 static int spi_transmit(unsigned char data)
  84 {
  85         int dummy;
  86         struct mpc5xxx_spi *spi = (struct mpc5xxx_spi*)MPC5XXX_SPI;
  87
  88         spi->dr = data;
  89         /* wait for SPI transmission completed */
  90         while(!(spi->sr & 0x80))
  91         {
  92                 if (spi->sr & 0x40)     /* if write collision occured */
  93                 {
  94                         /* do dummy read to clear status register */
  95                         dummy = spi->dr;
  96                         printf ("SPI write collision\n");
  97                         return -1;
  98                 }
  99         }
 100         return (spi->dr);
 101 }
 102
 103 static void pcm1772_write_reg(unsigned char addr, unsigned char data)
 104 {
 105         struct mpc5xxx_spi *spi = (struct mpc5xxx_spi*)MPC5XXX_SPI;
 106
 107         spi->pdr = 0x00; /* Set SS low */
 108         spi_transmit(addr);
 109         spi_transmit(data);
 110         /* wait some time to meet MS# hold time of PCM1772 */
 111         udelay (1);
 112         spi->pdr = 0x08; /* set SS high */
 113 }
 114
 115 static void set_attenuation(unsigned char attenuation)
 116 {
 117         pcm1772_write_reg(0x01, attenuation); /* left channel */
 118         debug ("PCM1772 attenuation left set to %d.\n", attenuation);
 119         pcm1772_write_reg(0x02, attenuation); /* right channel */
 120         debug ("PCM1772 attenuation right set to %d.\n", attenuation);
 121 }
 122
 123 void amplifier_init(void)
 124 {
 125         static int init_done = 0;
 126         int i;
 127         struct mpc5xxx_gpio *gpio = (struct mpc5xxx_gpio*)MPC5XXX_GPIO;
 128
 129         /* Do this only once, because of the long time delay */
 130         if (!init_done) {
 131                 /* configure PCM1772 audio format as I2S */
 132                 pcm1772_write_reg(0x03, 0x01);
 133                 /* enable audio amplifier */
 134                 gpio->sint_gpioe |=  0x02;      /* PSC3_5 as GPIO */
 135                 gpio->sint_ode &= ~0x02;        /* PSC3_5 is not open Drain */
 136                 gpio->sint_dvo &= ~0x02;        /* PSC3_5 is LOW */
 137                 gpio->sint_ddr |=  0x02;        /* PSC3_5 as output */
 138                 /*
 139                  * wait some time to allow amplifier to recover from shutdown
 140                  * mode.
 141                  */
 142                 for(i = 0; i < 350; i++)
 143                         udelay(1000);
 144                 /*
 145                  * The used amplifier (LM4867) has a so called "pop and click"
 146                  * elmination filter. The input signal of the amplifier must
 147                  * exceed a certain level once after power up to activate the
 148                  * generation of the output signal. This is achieved by
 149                  * sending a low frequent (nearly inaudible) sawtooth with a
 150                  * sufficient signal level.
 151                  */
 152                 set_attenuation(50);
 153                 i2s_sawtooth (200, 5, LEFT_RIGHT);
 154                 init_done = 1;
 155         }
 156 }
 157
 158 static void i2s_init(void)
 159 {
 160         unsigned long i;
 161         struct mpc5xxx_psc *psc = (struct mpc5xxx_psc*)MPC5XXX_PSC2;;
 162         struct mpc5xxx_gpio *gpio = (struct mpc5xxx_gpio*)MPC5XXX_GPIO;
 163
 164         gpio->port_config |= 0x00000070; /* PSC2 ports as Codec with MCLK */
 165         psc->command = (PSC_RX_DISABLE | PSC_TX_DISABLE);
 166         psc->sicr = 0x22E00000;         /* 16 bit data; I2S */
 167
 168         *(vu_long *)(CONFIG_SYS_MBAR + 0x22C) = 0x805d; /* PSC2 CDM MCLK config; MCLK
 169                                                   * 5.617 MHz */
 170         *(vu_long *)(CONFIG_SYS_MBAR + 0x214) |= 0x00000040; /* CDM clock enable
 171                                                        * register */
 172         psc->ccr = 0x1F03;      /* 16 bit data width; 5.617MHz MCLK */
 173         psc->ctur = 0x0F;       /* 16 bit frame width */
 174
 175         for(i=0;i<128;i++)
 176         {
 177                 psc->psc_buffer_32 = 0; /* clear tx fifo */
 178         }
 179 }
 180
 181 static int i2s_play_wave(unsigned long addr, unsigned long len)
 182 {
 183         unsigned long i;
 184         unsigned char *wave_file = (uchar *)addr + 44;  /* quick'n dirty: skip
 185                                                          * wav header*/
 186         unsigned char swapped[4];
 187         struct mpc5xxx_psc *psc = (struct mpc5xxx_psc*)MPC5XXX_PSC2;
 188
 189         /*
 190          * play wave file in memory; bytes/words are be swapped
 191          */
 192         psc->command = (PSC_RX_ENABLE | PSC_TX_ENABLE);
 193
 194         for(i = 0;i < (len / 4); i++) {
 195                 swapped[3] = *wave_file++;
 196                 swapped[2] = *wave_file++;
 197                 swapped[1] = *wave_file++;
 198                 swapped[0] = *wave_file++;
 199                 psc->psc_buffer_32 =  *((unsigned long*)swapped);
 200                 while (psc->tfnum > 400) {
 201                         if(ctrlc())
 202                                 return 0;
 203                 }
 204         }
 205         while (psc->tfnum > 0);         /* wait for fifo empty */
 206         udelay (100);
 207         psc->command = (PSC_RX_DISABLE | PSC_TX_DISABLE);
 208         return 0;
 209 }
 210
 211 static int i2s_sawtooth(unsigned long duration, unsigned int freq,
 212                         unsigned int channel)
 213 {
 214         long i,j;
 215         unsigned long data;
 216         struct mpc5xxx_psc *psc = (struct mpc5xxx_psc*)MPC5XXX_PSC2;
 217
 218         psc->command = (PSC_RX_ENABLE | PSC_TX_ENABLE);
 219
 220         /*
 221          * Generate sawtooth. Start with middle level up to highest level. Then
 222          * go to lowest level and back to middle level.
 223          */
 224         for(j = 0; j < ((duration * freq) / 1000); j++) {
 225                 for(i = 0; i <= 0x7FFF; i += (0x7FFF/(44100/(freq*4)))) {
 226                         data = (i & 0xFFFF);
 227                         /* data format: right data left data) */
 228                         if (channel == LEFT_RIGHT)
 229                                 data |= (data<<16);
 230                         if (channel == RIGHT)
 231                                 data = (data<<16);
 232                         psc->psc_buffer_32 = data;
 233                         while (psc->tfnum > 400);
 234                 }
 235                 for(i = 0x7FFF; i >= -0x7FFF; i -= (0xFFFF/(44100/(freq*2)))) {
 236                         data = (i & 0xFFFF);
 237                         /* data format: right data left data) */
 238                         if (channel == LEFT_RIGHT)
 239                                 data |= (data<<16);
 240                         if (channel == RIGHT)
 241                                 data = (data<<16);
 242                         psc->psc_buffer_32 = data;
 243                         while (psc->tfnum > 400);
 244                 }
 245                 for(i = -0x7FFF; i <= 0; i += (0x7FFF/(44100/(freq*4)))) {
 246                         data = (i & 0xFFFF);
 247                         /* data format: right data left data) */
 248                         if (channel == LEFT_RIGHT)
 249                                 data |= (data<<16);
 250                         if (channel == RIGHT)
 251                                 data = (data<<16);
 252                         psc->psc_buffer_32 = data;
 253                         while (psc->tfnum > 400);
 254                 }
 255         }
 256         while (psc->tfnum > 0);         /* wait for fifo empty */
 257         udelay (100);
 258         psc->command = (PSC_RX_DISABLE | PSC_TX_DISABLE);
 259
 260         return 0;
 261 }
 262
 263 static int i2s_squarewave(unsigned long duration, unsigned int freq,
 264                          unsigned int channel)
 265 {
 266         long i,j;
 267         unsigned long data;
 268         struct mpc5xxx_psc *psc = (struct mpc5xxx_psc*)MPC5XXX_PSC2;
 269
 270         psc->command = (PSC_RX_ENABLE | PSC_TX_ENABLE);
 271
 272         /*
 273          * Generate sqarewave. Start with high level, duty cycle 1:1.
 274          */
 275         for(j = 0; j < ((duration * freq) / 1000); j++) {
 276                 for(i = 0; i < (44100/(freq*2)); i ++) {
 277                         data = 0x7FFF;
 278                         /* data format: right data left data) */
 279                         if (channel == LEFT_RIGHT)
 280                                 data |= (data<<16);
 281                         if (channel == RIGHT)
 282                                 data = (data<<16);
 283                         psc->psc_buffer_32 = data;
 284                         while (psc->tfnum > 400);
 285                 }
 286                 for(i = 0; i < (44100/(freq*2)); i ++) {
 287                         data = 0x8000;
 288                         /* data format: right data left data) */
 289                         if (channel == LEFT_RIGHT)
 290                                 data |= (data<<16);
 291                         if (channel == RIGHT)
 292                                 data = (data<<16);
 293                         psc->psc_buffer_32 = data;
 294                         while (psc->tfnum > 400);
 295                 }
 296         }
 297         while (psc->tfnum > 0);         /* wait for fifo empty */
 298         udelay (100);
 299         psc->command = (PSC_RX_DISABLE | PSC_TX_DISABLE);
 300
 301         return 0;
 302 }
 303
 304 static int cmd_sound(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
 305 {
 306         unsigned long reg, val, duration;
 307         char *tmp;
 308         unsigned int freq, channel;
 309         unsigned char volume;
 310         int rcode = 1;
 311
 312 #ifdef CONFIG_STK52XX_REV100
 313         printf ("Revision 100 of STK52XX not supported!\n");
 314         return 1;
 315 #endif
 316         spi_init();
 317         i2s_init();
 318         amplifier_init();
 319
 320         if ((tmp = getenv ("volume")) != NULL) {
 321                 volume = simple_strtoul (tmp, NULL, 10);
 322         } else {
 323                 volume = DEFAULT_VOL;
 324         }
 325         set_attenuation(volume);
 326
 327         switch (argc) {
 328         case 0:
 329         case 1:
 330                 return cmd_usage(cmdtp);
 331         case 2:
 332                 if (strncmp(argv[1],"saw",3) == 0) {
 333                         printf ("Play sawtooth\n");
 334                         rcode = i2s_sawtooth (DEFAULT_DURATION, DEFAULT_FREQ,
 335                                               LEFT_RIGHT);
 336                         return rcode;
 337                 } else if (strncmp(argv[1],"squ",3) == 0) {
 338                         printf ("Play squarewave\n");
 339                         rcode = i2s_squarewave (DEFAULT_DURATION, DEFAULT_FREQ,
 340                                                 LEFT_RIGHT);
 341                         return rcode;
 342                 }
 343
 344                 return cmd_usage(cmdtp);
 345         case 3:
 346                 if (strncmp(argv[1],"saw",3) == 0) {
 347                         duration = simple_strtoul(argv[2], NULL, 10);
 348                         printf ("Play sawtooth\n");
 349                         rcode = i2s_sawtooth (duration, DEFAULT_FREQ,
 350                                               LEFT_RIGHT);
 351                         return rcode;
 352                 } else if (strncmp(argv[1],"squ",3) == 0) {
 353                         duration = simple_strtoul(argv[2], NULL, 10);
 354                         printf ("Play squarewave\n");
 355                         rcode = i2s_squarewave (duration, DEFAULT_FREQ,
 356                                                 LEFT_RIGHT);
 357                         return rcode;
 358                 }
 359                 return cmd_usage(cmdtp);
 360         case 4:
 361                 if (strncmp(argv[1],"saw",3) == 0) {
 362                         duration = simple_strtoul(argv[2], NULL, 10);
 363                         freq = (unsigned int)simple_strtoul(argv[3], NULL, 10);
 364                         printf ("Play sawtooth\n");
 365                         rcode = i2s_sawtooth (duration, freq,
 366                                               LEFT_RIGHT);
 367                         return rcode;
 368                 } else if (strncmp(argv[1],"squ",3) == 0) {
 369                         duration = simple_strtoul(argv[2], NULL, 10);
 370                         freq = (unsigned int)simple_strtoul(argv[3], NULL, 10);
 371                         printf ("Play squarewave\n");
 372                         rcode = i2s_squarewave (duration, freq,
 373                                                 LEFT_RIGHT);
 374                         return rcode;
 375                 } else if (strcmp(argv[1],"pcm1772") == 0) {
 376                         reg = simple_strtoul(argv[2], NULL, 10);
 377                         val = simple_strtoul(argv[3], NULL, 10);
 378                         printf("Set PCM1772 %lu. %lu\n", reg, val);
 379                         pcm1772_write_reg((uchar)reg, (uchar)val);
 380                         return 0;
 381                 }
 382                 return cmd_usage(cmdtp);
 383         case 5:
 384                 if (strncmp(argv[1],"saw",3) == 0) {
 385                         duration = simple_strtoul(argv[2], NULL, 10);
 386                         freq = (unsigned int)simple_strtoul(argv[3], NULL, 10);
 387                         if (strncmp(argv[4],"l",1) == 0)
 388                                 channel = LEFT;
 389                         else if (strncmp(argv[4],"r",1) == 0)
 390                                 channel = RIGHT;
 391                         else
 392                                 channel = LEFT_RIGHT;
 393                         printf ("Play squarewave\n");
 394                         rcode = i2s_sawtooth (duration, freq,
 395                                               channel);
 396                         return rcode;
 397                 } else if (strncmp(argv[1],"squ",3) == 0) {
 398                         duration = simple_strtoul(argv[2], NULL, 10);
 399                         freq = (unsigned int)simple_strtoul(argv[3], NULL, 10);
 400                         if (strncmp(argv[4],"l",1) == 0)
 401                                 channel = LEFT;
 402                         else if (strncmp(argv[4],"r",1) == 0)
 403                                 channel = RIGHT;
 404                         else
 405                                 channel = LEFT_RIGHT;
 406                         printf ("Play squarewave\n");
 407                         rcode = i2s_squarewave (duration, freq,
 408                                                 channel);
 409                         return rcode;
 410                 }
 411                 return cmd_usage(cmdtp);
 412         }
 413         printf ("Usage:\nsound cmd [arg1] [arg2] ...\n");
 414         return 1;
 415 }
 416
 417 static int cmd_wav(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
 418 {
 419         unsigned long length, addr;
 420         unsigned char volume;
 421         int rcode = 1;
 422         char *tmp;
 423
 424 #ifdef CONFIG_STK52XX_REV100
 425         printf ("Revision 100 of STK52XX not supported!\n");
 426         return 1;
 427 #endif
 428         spi_init();
 429         i2s_init();
 430         amplifier_init();
 431
 432         switch (argc) {
 433
 434         case 3:
 435                 length = simple_strtoul(argv[2], NULL, 16);
 436                 addr = simple_strtoul(argv[1], NULL, 16);
 437                 break;
 438
 439         case 2:
 440                 if ((tmp = getenv ("filesize")) != NULL) {
 441                         length = simple_strtoul (tmp, NULL, 16);
 442                 } else {
 443                         puts ("No filesize provided\n");
 444                         return 1;
 445                 }
 446                 addr = simple_strtoul(argv[1], NULL, 16);
 447
 448         case 1:
 449                 if ((tmp = getenv ("filesize")) != NULL) {
 450                         length = simple_strtoul (tmp, NULL, 16);
 451                 } else {
 452                         puts ("No filesize provided\n");
 453                         return 1;
 454                 }
 455                 if ((tmp = getenv ("loadaddr")) != NULL) {
 456                         addr = simple_strtoul (tmp, NULL, 16);
 457                 } else {
 458                         puts ("No loadaddr provided\n");
 459                         return 1;
 460                 }
 461                 break;
 462
 463         default:
 464                 printf("Usage:\nwav <addr> <length[s]\n");
 465                 return 1;
 466                 break;
 467         }
 468
 469         if ((tmp = getenv ("volume")) != NULL) {
 470                 volume = simple_strtoul (tmp, NULL, 10);
 471         } else {
 472                 volume = DEFAULT_VOL;
 473         }
 474         set_attenuation(volume);
 475
 476         printf("Play wave file at %lX with length %lX\n", addr, length);
 477         rcode = i2s_play_wave(addr, length);
 478
 479         return rcode;
 480 }
 481
 482 static int cmd_beep(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
 483 {
 484         unsigned char volume;
 485         unsigned int channel;
 486         int rcode;
 487         char *tmp;
 488
 489 #ifdef CONFIG_STK52XX_REV100
 490         printf ("Revision 100 of STK52XX not supported!\n");
 491         return 1;
 492 #endif
 493         spi_init();
 494         i2s_init();
 495         amplifier_init();
 496
 497         switch (argc) {
 498         case 0:
 499         case 1:
 500                 channel = LEFT_RIGHT;
 501                 break;
 502         case 2:
 503                 if (strncmp(argv[1],"l",1) == 0)
 504                         channel = LEFT;
 505                 else if (strncmp(argv[1],"r",1) == 0)
 506                         channel = RIGHT;
 507                 else
 508                         channel = LEFT_RIGHT;
 509                 break;
 510         default:
 511                 return cmd_usage(cmdtp);
 512         }
 513
 514         if ((tmp = getenv ("volume")) != NULL) {
 515                 volume = simple_strtoul (tmp, NULL, 10);
 516         } else {
 517                 volume = DEFAULT_VOL;
 518         }
 519         set_attenuation(volume);
 520
 521         printf("Beep on ");
 522         if (channel == LEFT)
 523                 printf ("left ");
 524         else if (channel == RIGHT)
 525                 printf ("right ");
 526         else
 527                 printf ("left and right ");
 528         printf ("channel\n");
 529
 530         rcode = i2s_squarewave (DEFAULT_DURATION, DEFAULT_FREQ, channel);
 531
 532         return rcode;
 533 }
 534 #endif
 535
 536 #if defined(CONFIG_STK52XX)
 537 void led_init(void)
 538 {
 539         struct mpc5xxx_gpio *gpio = (struct mpc5xxx_gpio *)MPC5XXX_GPIO;
 540         struct mpc5xxx_gpt_0_7 *gpt = (struct mpc5xxx_gpt_0_7 *)MPC5XXX_GPT;
 541
 542         /* configure PSC3 for SPI and GPIO */
 543         gpio->port_config &= ~(0x00000F00);
 544         gpio->port_config |=   0x00000800;
 545
 546         gpio->simple_gpioe &= ~(0x00000F00);
 547         gpio->simple_gpioe |=   0x00000F00;
 548
 549         gpio->simple_ddr &= ~(0x00000F00);
 550         gpio->simple_ddr |=   0x00000F00;
 551
 552         /* configure timer 4-7 for simple GPIO output */
 553         gpt->gpt4.emsr |=  0x00000024;
 554         gpt->gpt5.emsr |=  0x00000024;
 555         gpt->gpt6.emsr |=  0x00000024;
 556         gpt->gpt7.emsr |=  0x00000024;
 557
 558 #ifndef CONFIG_TQM5200S
 559         /* enable SM501 GPIO control (in both power modes) */
 560         *(vu_long *) (SM501_MMIO_BASE+SM501_POWER_MODE0_GATE) |=
 561                 POWER_MODE_GATE_GPIO_PWM_I2C;
 562         *(vu_long *) (SM501_MMIO_BASE+SM501_POWER_MODE1_GATE) |=
 563                 POWER_MODE_GATE_GPIO_PWM_I2C;
 564
 565         /* configure SM501 gpio pins 24-27 as output */
 566         *(vu_long *) (SM501_MMIO_BASE+SM501_GPIO_CTRL_LOW) &= ~(0xF << 24);
 567         *(vu_long *) (SM501_MMIO_BASE+SM501_GPIO_DATA_DIR_LOW) |= (0xF << 24);
 568
 569         /* configure SM501 gpio pins 48-51 as output */
 570         *(vu_long *) (SM501_MMIO_BASE+SM501_GPIO_DATA_DIR_HIGH) |= (0xF << 16);
 571 #endif /* !CONFIG_TQM5200S */
 572 }
 573
 574 /*
 575  * return 1 if led number unknown
 576  * return 0 else
 577  */
 578 int do_led(char * const argv[])
 579 {
 580         struct mpc5xxx_gpio *gpio = (struct mpc5xxx_gpio *)MPC5XXX_GPIO;
 581         struct mpc5xxx_gpt_0_7 *gpt = (struct mpc5xxx_gpt_0_7 *)MPC5XXX_GPT;
 582
 583         switch  (simple_strtoul(argv[2], NULL, 10)) {
 584
 585         case 0:
 586                 if (strcmp (argv[3], "on") == 0) {
 587                         gpio->simple_dvo |=   (1 << 8);
 588                 } else {
 589                         gpio->simple_dvo &= ~(1 << 8);
 590                 }
 591                 break;
 592
 593         case 1:
 594                 if (strcmp (argv[3], "on") == 0) {
 595                         gpio->simple_dvo |=   (1 << 9);
 596                 } else {
 597                         gpio->simple_dvo &= ~(1 << 9);
 598                 }
 599                 break;
 600
 601         case 2:
 602                 if (strcmp (argv[3], "on") == 0) {
 603                         gpio->simple_dvo |=   (1 << 10);
 604                 } else {
 605                         gpio->simple_dvo &= ~(1 << 10);
 606                 }
 607                 break;
 608
 609         case 3:
 610                 if (strcmp (argv[3], "on") == 0) {
 611                         gpio->simple_dvo |=   (1 << 11);
 612                 } else {
 613                         gpio->simple_dvo &= ~(1 << 11);
 614                 }
 615                 break;
 616
 617         case 4:
 618                 if (strcmp (argv[3], "on") == 0) {
 619                         gpt->gpt4.emsr |=  (1 << 4);
 620                 } else {
 621                         gpt->gpt4.emsr &=  ~(1 << 4);
 622                 }
 623                 break;
 624
 625         case 5:
 626                 if (strcmp (argv[3], "on") == 0) {
 627                         gpt->gpt5.emsr |=  (1 << 4);
 628                 } else {
 629                         gpt->gpt5.emsr &=  ~(1 << 4);
 630                 }
 631                 break;
 632
 633         case 6:
 634                 if (strcmp (argv[3], "on") == 0) {
 635                         gpt->gpt6.emsr |=  (1 << 4);
 636                 } else {
 637                         gpt->gpt6.emsr &=  ~(1 << 4);
 638                 }
 639                 break;
 640
 641         case 7:
 642                 if (strcmp (argv[3], "on") == 0) {
 643                         gpt->gpt7.emsr |=  (1 << 4);
 644                 } else {
 645                         gpt->gpt7.emsr &=  ~(1 << 4);
 646                 }
 647                 break;
 648 #ifndef CONFIG_TQM5200S
 649         case 24:
 650                 if (strcmp (argv[3], "on") == 0) {
 651                         *(vu_long *) (SM501_MMIO_BASE+SM501_GPIO_DATA_LOW) |=
 652                                 (0x1 << 24);
 653                 } else {
 654                         *(vu_long *) (SM501_MMIO_BASE+SM501_GPIO_DATA_LOW) &=
 655                                 ~(0x1 << 24);
 656                 }
 657                 break;
 658
 659         case 25:
 660                 if (strcmp (argv[3], "on") == 0) {
 661                         *(vu_long *) (SM501_MMIO_BASE+SM501_GPIO_DATA_LOW) |=
 662                                 (0x1 << 25);
 663                 } else {
 664                         *(vu_long *) (SM501_MMIO_BASE+SM501_GPIO_DATA_LOW) &=
 665                                 ~(0x1 << 25);
 666                 }
 667                 break;
 668
 669         case 26:
 670                 if (strcmp (argv[3], "on") == 0) {
 671                         *(vu_long *) (SM501_MMIO_BASE+SM501_GPIO_DATA_LOW) |=
 672                                 (0x1 << 26);
 673                 } else {
 674                         *(vu_long *) (SM501_MMIO_BASE+SM501_GPIO_DATA_LOW) &=
 675                                 ~(0x1 << 26);
 676                 }
 677                 break;
 678
 679         case 27:
 680                 if (strcmp (argv[3], "on") == 0) {
 681                         *(vu_long *) (SM501_MMIO_BASE+SM501_GPIO_DATA_LOW) |=
 682                                 (0x1 << 27);
 683                 } else {
 684                         *(vu_long *) (SM501_MMIO_BASE+SM501_GPIO_DATA_LOW) &=
 685                                 ~(0x1 << 27);
 686                 }
 687                 break;
 688
 689         case 48:
 690                 if (strcmp (argv[3], "on") == 0) {
 691                         *(vu_long *) (SM501_MMIO_BASE+SM501_GPIO_DATA_HIGH) |=
 692                                 (0x1 << 16);
 693                 } else {
 694                         *(vu_long *) (SM501_MMIO_BASE+SM501_GPIO_DATA_HIGH) &=
 695                                 ~(0x1 << 16);
 696                 }
 697                 break;
 698
 699         case 49:
 700                 if (strcmp (argv[3], "on") == 0) {
 701                         *(vu_long *) (SM501_MMIO_BASE+SM501_GPIO_DATA_HIGH) |=
 702                                 (0x1 << 17);
 703                 } else {
 704                         *(vu_long *) (SM501_MMIO_BASE+SM501_GPIO_DATA_HIGH) &=
 705                                 ~(0x1 << 17);
 706                 }
 707                 break;
 708
 709         case 50:
 710                 if (strcmp (argv[3], "on") == 0) {
 711                         *(vu_long *) (SM501_MMIO_BASE+SM501_GPIO_DATA_HIGH) |=
 712                                 (0x1 << 18);
 713                 } else {
 714                         *(vu_long *) (SM501_MMIO_BASE+SM501_GPIO_DATA_HIGH) &=
 715                                 ~(0x1 << 18);
 716                 }
 717                 break;
 718
 719         case 51:
 720                 if (strcmp (argv[3], "on") == 0) {
 721                         *(vu_long *) (SM501_MMIO_BASE+SM501_GPIO_DATA_HIGH) |=
 722                                 (0x1 << 19);
 723                 } else {
 724                         *(vu_long *) (SM501_MMIO_BASE+SM501_GPIO_DATA_HIGH) &=
 725                                 ~(0x1 << 19);
 726                 }
 727                 break;
 728 #endif /* !CONFIG_TQM5200S */
 729         default:
 730                 printf ("%s: invalid led number %s\n", __FUNCTION__, argv[2]);
 731                 return 1;
 732         }
 733
 734         return 0;
 735 }
 736 #endif
 737
 738 #if defined(CONFIG_STK52XX) || defined(CONFIG_FO300)
 739 /*
 740  * return 1 on CAN initialization failure
 741  * return 0 if no failure
 742  */
 743 int can_init(void)
 744 {
 745         static int init_done = 0;
 746         int i;
 747         struct mpc5xxx_mscan *can1 =
 748                 (struct mpc5xxx_mscan *)(CONFIG_SYS_MBAR + 0x0900);
 749         struct mpc5xxx_mscan *can2 =
 750                 (struct mpc5xxx_mscan *)(CONFIG_SYS_MBAR + 0x0980);
 751
 752         /* GPIO configuration of the CAN pins is done in TQM5200.h */
 753
 754         if (!init_done) {
 755                 /* init CAN 1 */
 756                 can1->canctl1 |= 0x80;  /* CAN enable */
 757                 udelay(100);
 758
 759                 i = 0;
 760                 can1->canctl0 |= 0x02;  /* sleep mode */
 761                 /* wait until sleep mode reached */
 762                 while (!(can1->canctl1 & 0x02)) {
 763                         udelay(10);
 764                 i++;
 765                 if (i == 10) {
 766                         printf ("%s: CAN1 initialize error, "
 767                                 "can not enter sleep mode!\n",
 768                                 __FUNCTION__);
 769                         return 1;
 770                 }
 771                 }
 772                 i = 0;
 773                 can1->canctl0 = 0x01;   /* enter init mode */
 774                 /* wait until init mode reached */
 775                 while (!(can1->canctl1 & 0x01)) {
 776                         udelay(10);
 777                         i++;
 778                         if (i == 10) {
 779                                 printf ("%s: CAN1 initialize error, "
 780                                         "can not enter init mode!\n",
 781                                         __FUNCTION__);
 782                                 return 1;
 783                         }
 784                 }
 785                 can1->canctl1 = 0x80;
 786                 can1->canctl1 |= 0x40;
 787                 can1->canbtr0 = 0x0F;
 788                 can1->canbtr1 = 0x7F;
 789                 can1->canidac &= ~(0x30);
 790                 can1->canidar1 = 0x00;
 791                 can1->canidar3 = 0x00;
 792                 can1->canidar5 = 0x00;
 793                 can1->canidar7 = 0x00;
 794                 can1->canidmr0 = 0xFF;
 795                 can1->canidmr1 = 0xFF;
 796                 can1->canidmr2 = 0xFF;
 797                 can1->canidmr3 = 0xFF;
 798                 can1->canidmr4 = 0xFF;
 799                 can1->canidmr5 = 0xFF;
 800                 can1->canidmr6 = 0xFF;
 801                 can1->canidmr7 = 0xFF;
 802
 803                 i = 0;
 804                 can1->canctl0 &= ~(0x01);       /* leave init mode */
 805                 can1->canctl0 &= ~(0x02);
 806                 /* wait until init and sleep mode left */
 807                 while ((can1->canctl1 & 0x01) || (can1->canctl1 & 0x02)) {
 808                         udelay(10);
 809                         i++;
 810                         if (i == 10) {
 811                                 printf ("%s: CAN1 initialize error, "
 812                                         "can not leave init/sleep mode!\n",
 813                                         __FUNCTION__);
 814                                 return 1;
 815                         }
 816                 }
 817
 818                 /* init CAN 2 */
 819                 can2->canctl1 |= 0x80;  /* CAN enable */
 820                 udelay(100);
 821
 822                 i = 0;
 823                 can2->canctl0 |= 0x02;  /* sleep mode */
 824                 /* wait until sleep mode reached */
 825                 while (!(can2->canctl1 & 0x02)) {
 826                         udelay(10);
 827                         i++;
 828                         if (i == 10) {
 829                                 printf ("%s: CAN2 initialize error, "
 830                                         "can not enter sleep mode!\n",
 831                                         __FUNCTION__);
 832                                 return 1;
 833                         }
 834                 }
 835                 i = 0;
 836                 can2->canctl0 = 0x01;   /* enter init mode */
 837                 /* wait until init mode reached */
 838                 while (!(can2->canctl1 & 0x01)) {
 839                         udelay(10);
 840                         i++;
 841                         if (i == 10) {
 842                                 printf ("%s: CAN2 initialize error, "
 843                                         "can not enter init mode!\n",
 844                                         __FUNCTION__);
 845                                 return 1;
 846                         }
 847                 }
 848                 can2->canctl1 = 0x80;
 849                 can2->canctl1 |= 0x40;
 850                 can2->canbtr0 = 0x0F;
 851                 can2->canbtr1 = 0x7F;
 852                 can2->canidac &= ~(0x30);
 853                 can2->canidar1 = 0x00;
 854                 can2->canidar3 = 0x00;
 855                 can2->canidar5 = 0x00;
 856                 can2->canidar7 = 0x00;
 857                 can2->canidmr0 = 0xFF;
 858                 can2->canidmr1 = 0xFF;
 859                 can2->canidmr2 = 0xFF;
 860                 can2->canidmr3 = 0xFF;
 861                 can2->canidmr4 = 0xFF;
 862                 can2->canidmr5 = 0xFF;
 863                 can2->canidmr6 = 0xFF;
 864                 can2->canidmr7 = 0xFF;
 865                 can2->canctl0 &= ~(0x01);       /* leave init mode */
 866                 can2->canctl0 &= ~(0x02);
 867
 868                 i = 0;
 869                 /* wait until init mode left */
 870                 while ((can2->canctl1 & 0x01) || (can2->canctl1 & 0x02)) {
 871                         udelay(10);
 872                         i++;
 873                         if (i == 10) {
 874                                 printf ("%s: CAN2 initialize error, "
 875                                         "can not leave init/sleep mode!\n",
 876                                         __FUNCTION__);
 877                                 return 1;
 878                         }
 879                 }
 880                 init_done = 1;
 881         }
 882         return 0;
 883 }
 884
 885 /*
 886  * return 1 on CAN failure
 887  * return 0 if no failure
 888  */
 889 int do_can(char * const argv[])
 890 {
 891         int i;
 892         struct mpc5xxx_mscan *can1 =
 893                 (struct mpc5xxx_mscan *)(CONFIG_SYS_MBAR + 0x0900);
 894         struct mpc5xxx_mscan *can2 =
 895                 (struct mpc5xxx_mscan *)(CONFIG_SYS_MBAR + 0x0980);
 896
 897         /* send a message on CAN1 */
 898         can1->cantbsel = 0x01;
 899         can1->cantxfg.idr[0] = 0x55;
 900         can1->cantxfg.idr[1] = 0x00;
 901         can1->cantxfg.idr[1] &= ~0x8;
 902         can1->cantxfg.idr[1] &= ~0x10;
 903         can1->cantxfg.dsr[0] = 0xCC;
 904         can1->cantxfg.dlr = 1;
 905         can1->cantxfg.tbpr = 0;
 906         can1->cantflg = 0x01;
 907
 908         i = 0;
 909         while ((can1->cantflg & 0x01) == 0) {
 910                 i++;
 911                 if (i == 10) {
 912                         printf ("%s: CAN1 send timeout, "
 913                                 "can not send message!\n",
 914                                 __FUNCTION__);
 915                         return 1;
 916                 }
 917                 udelay(1000);
 918         }
 919         udelay(1000);
 920
 921         i = 0;
 922         while (!(can2->canrflg & 0x01)) {
 923                 i++;
 924                 if (i == 10) {
 925                         printf ("%s: CAN2 receive timeout, "
 926                                 "no message received!\n",
 927                                 __FUNCTION__);
 928                         return 1;
 929                 }
 930                 udelay(1000);
 931         }
 932
 933         if (can2->canrxfg.dsr[0] != 0xCC) {
 934                 printf ("%s: CAN2 receive error, "
 935                          "data mismatch!\n",
 936                         __FUNCTION__);
 937                 return 1;
 938         }
 939
 940         /* send a message on CAN2 */
 941         can2->cantbsel = 0x01;
 942         can2->cantxfg.idr[0] = 0x55;
 943         can2->cantxfg.idr[1] = 0x00;
 944         can2->cantxfg.idr[1] &= ~0x8;
 945         can2->cantxfg.idr[1] &= ~0x10;
 946         can2->cantxfg.dsr[0] = 0xCC;
 947         can2->cantxfg.dlr = 1;
 948         can2->cantxfg.tbpr = 0;
 949         can2->cantflg = 0x01;
 950
 951         i = 0;
 952         while ((can2->cantflg & 0x01) == 0) {
 953                 i++;
 954                 if (i == 10) {
 955                         printf ("%s: CAN2 send error, "
 956                                 "can not send message!\n",
 957                                 __FUNCTION__);
 958                         return 1;
 959                 }
 960                 udelay(1000);
 961         }
 962         udelay(1000);
 963
 964         i = 0;
 965         while (!(can1->canrflg & 0x01)) {
 966                 i++;
 967                 if (i == 10) {
 968                         printf ("%s: CAN1 receive timeout, "
 969                                 "no message received!\n",
 970                                 __FUNCTION__);
 971                         return 1;
 972                 }
 973                 udelay(1000);
 974         }
 975
 976         if (can1->canrxfg.dsr[0] != 0xCC) {
 977                 printf ("%s: CAN1 receive error 0x%02x\n",
 978                         __FUNCTION__, (can1->canrxfg.dsr[0]));
 979                 return 1;
 980         }
 981
 982         return 0;
 983 }
 984
 985 /*
 986  * return 1 if rs232 port unknown
 987  * return 2 on txd/rxd failure (only rs232 2)
 988  * return 3 on rts/cts failure
 989  * return 0 if no failure
 990  */
 991 int do_rs232(char * const argv[])
 992 {
 993         int error_status = 0;
 994         struct mpc5xxx_gpio *gpio = (struct mpc5xxx_gpio *)MPC5XXX_GPIO;
 995         struct mpc5xxx_psc *psc1 = (struct mpc5xxx_psc *)MPC5XXX_PSC1;
 996
 997         switch  (simple_strtoul(argv[2], NULL, 10)) {
 998
 999         case 1:
1000                 /* check RTS <-> CTS loop */
1001                 /* set rts to 0 */
1002                 psc1->op1 |= 0x01;
1003
1004                 /* wait some time before requesting status */
1005                 udelay(10);
1006
1007                 /* check status at cts */
1008                 if ((psc1->ip & 0x01) != 0) {
1009                         error_status = 3;
1010                         printf ("%s: failure at rs232_1, cts status is %d "
1011                                 "(should be 0)\n",
1012                                 __FUNCTION__, (psc1->ip & 0x01));
1013                 }
1014
1015                 /* set rts to 1 */
1016                 psc1->op0 |= 0x01;
1017
1018                 /* wait some time before requesting status */
1019                 udelay(10);
1020
1021                 /* check status at cts */
1022                 if ((psc1->ip & 0x01) != 1) {
1023                         error_status = 3;
1024                         printf ("%s: failure at rs232_1, cts status is %d "
1025                                 "(should be 1)\n",
1026                                 __FUNCTION__, (psc1->ip & 0x01));
1027                 }
1028
1029                 break;
1030
1031         case 2:
1032                 /* set PSC3_0, PSC3_2 as output and PSC3_1, PSC3_3 as input */
1033                 gpio->simple_ddr &= ~(0x00000F00);
1034                 gpio->simple_ddr |=   0x00000500;
1035
1036                 /* check TXD <-> RXD loop */
1037                 /* set TXD to 1 */
1038                 gpio->simple_dvo |=   (1 << 8);
1039
1040                 /* wait some time before requesting status */
1041                 udelay(10);
1042
1043                 if ((gpio->simple_ival & 0x00000200) != 0x00000200) {
1044                         error_status = 2;
1045                         printf ("%s: failure at rs232_2, rxd status is %d "
1046                                 "(should be 1)\n",
1047                                 __FUNCTION__,
1048                                 (gpio->simple_ival & 0x00000200) >> 9);
1049                 }
1050
1051                 /* set TXD to 0 */
1052                 gpio->simple_dvo &= ~(1 << 8);
1053
1054                 /* wait some time before requesting status */
1055                 udelay(10);
1056
1057                 if ((gpio->simple_ival & 0x00000200) != 0x00000000) {
1058                         error_status = 2;
1059                         printf ("%s: failure at rs232_2, rxd status is %d "
1060                                 "(should be 0)\n",
1061                                 __FUNCTION__,
1062                                 (gpio->simple_ival & 0x00000200) >> 9);
1063                 }
1064
1065                 /* check RTS <-> CTS loop */
1066                 /* set RTS to 1 */
1067                 gpio->simple_dvo |=   (1 << 10);
1068
1069                 /* wait some time before requesting status */
1070                 udelay(10);
1071
1072                 if ((gpio->simple_ival & 0x00000800) != 0x00000800) {
1073                         error_status = 3;
1074                         printf ("%s: failure at rs232_2, cts status is %d "
1075                                 "(should be 1)\n",
1076                                 __FUNCTION__,
1077                                 (gpio->simple_ival & 0x00000800) >> 11);
1078                 }
1079
1080                 /* set RTS to 0 */
1081                 gpio->simple_dvo &= ~(1 << 10);
1082
1083                 /* wait some time before requesting status */
1084                 udelay(10);
1085
1086                 if ((gpio->simple_ival & 0x00000800) != 0x00000000) {
1087                         error_status = 3;
1088                         printf ("%s: failure at rs232_2, cts status is %d "
1089                                 "(should be 0)\n",
1090                                 __FUNCTION__,
1091                                 (gpio->simple_ival & 0x00000800) >> 11);
1092                 }
1093
1094                 /* set PSC3_0, PSC3_1, PSC3_2 and PSC3_3 as output */
1095                 gpio->simple_ddr &= ~(0x00000F00);
1096                 gpio->simple_ddr |=   0x00000F00;
1097                 break;
1098
1099         default:
1100                 printf ("%s: invalid rs232 number %s\n", __FUNCTION__, argv[2]);
1101                 error_status = 1;
1102                 break;
1103         }
1104
1105         return error_status;
1106 }
1107
1108 #if !defined(CONFIG_FO300) && !defined(CONFIG_TQM5200S)
1109 static void sm501_backlight (unsigned int state)
1110 {
1111         if (state == BL_ON) {
1112                 *(vu_long *)(SM501_MMIO_BASE+SM501_PANEL_DISPLAY_CONTROL) |=
1113                         (1 << 26) | (1 << 27);
1114         } else if (state == BL_OFF)
1115                 *(vu_long *)(SM501_MMIO_BASE+SM501_PANEL_DISPLAY_CONTROL) &=
1116                         ~((1 << 26) | (1 << 27));
1117 }
1118 #endif /* !CONFIG_FO300 & !CONFIG_TQM5200S */
1119
1120 int cmd_fkt(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
1121 {
1122         int rcode;
1123
1124 #ifdef CONFIG_STK52XX_REV100
1125         printf ("Revision 100 of STK52XX not supported!\n");
1126         return 1;
1127 #endif
1128 #if defined(CONFIG_STK52XX)
1129         led_init();
1130 #endif
1131         can_init();
1132
1133         switch (argc) {
1134
1135         case 0:
1136         case 1:
1137                 break;
1138
1139         case 2:
1140                 if (strncmp (argv[1], "can", 3) == 0) {
1141                         rcode = do_can (argv);
1142                         if (rcode == 0)
1143                                 printf ("OK\n");
1144                         else
1145                                 printf ("Error\n");
1146                         return rcode;
1147                 }
1148                 break;
1149
1150         case 3:
1151                 if (strncmp (argv[1], "rs232", 3) == 0) {
1152                         rcode = do_rs232 (argv);
1153                         if (rcode == 0)
1154                                 printf ("OK\n");
1155                         else
1156                                 printf ("Error\n");
1157                         return rcode;
1158 #if !defined(CONFIG_FO300) && !defined(CONFIG_TQM5200S)
1159                 } else if (strncmp (argv[1], "backlight", 4) == 0) {
1160                         if (strncmp (argv[2], "on", 2) == 0) {
1161                                 sm501_backlight (BL_ON);
1162                                 return 0;
1163                         }
1164                         else if (strncmp (argv[2], "off", 3) == 0) {
1165                                 sm501_backlight (BL_OFF);
1166                                 return 0;
1167                         }
1168 #endif /* !CONFIG_FO300 & !CONFIG_TQM5200S */
1169                 }
1170                 break;
1171
1172 #if defined(CONFIG_STK52XX)
1173         case 4:
1174                 if (strcmp (argv[1], "led") == 0) {
1175                         return (do_led (argv));
1176                 }
1177                 break;
1178 #endif
1179
1180         default:
1181                 break;
1182         }
1183
1184         printf ("Usage:\nfkt cmd [arg1] [arg2] ...\n");
1185         return 1;
1186 }
1187
1188
1189 U_BOOT_CMD(
1190         sound ,    5,    1,     cmd_sound,
1191         "Sound sub-system",
1192         "saw [duration] [freq] [channel]\n"
1193         "    - generate sawtooth for 'duration' ms with frequency 'freq'\n"
1194         "      on left \"l\" or right \"r\" channel\n"
1195         "sound square [duration] [freq] [channel]\n"
1196         "    - generate squarewave for 'duration' ms with frequency 'freq'\n"
1197         "      on left \"l\" or right \"r\" channel\n"
1198         "pcm1772 reg val"
1199 );
1200
1201 U_BOOT_CMD(
1202         wav ,    3,    1,     cmd_wav,
1203         "play wav file",
1204         "[addr] [bytes]\n"
1205         "    - play wav file at address 'addr' with length 'bytes'"
1206 );
1207
1208 U_BOOT_CMD(
1209         beep ,    2,    1,     cmd_beep,
1210         "play short beep",
1211         "[channel]\n"
1212         "    - play short beep on \"l\"eft or \"r\"ight channel"
1213 );
1214 #endif /* CONFIG_STK52XX  || CONFIG_FO300 */
1215
1216 #if defined(CONFIG_STK52XX)
1217 U_BOOT_CMD(
1218         fkt ,   4,      1,      cmd_fkt,
1219         "Function test routines",
1220         "led number on/off\n"
1221         "     - 'number's like printed on STK52XX board\n"
1222         "fkt can\n"
1223         "     - loopback plug for X83 required\n"
1224         "fkt rs232 number\n"
1225         "     - loopback plug(s) for X2 required"
1226 #ifndef CONFIG_TQM5200S
1227         "\n"
1228         "fkt backlight on/off\n"
1229         "     - switch backlight on or off"
1230 #endif /* !CONFIG_TQM5200S */
1231 );
1232 #elif defined(CONFIG_FO300)
1233 U_BOOT_CMD(
1234         fkt ,   3,      1,      cmd_fkt,
1235         "Function test routines",
1236         "fkt can\n"
1237         "     - loopback plug for X16/X29 required\n"
1238         "fkt rs232 number\n"
1239         "     - loopback plug(s) for X21/X22 required"
1240 );
1241 #endif
1242 #endif