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[people/ms/u-boot.git] / board / tqm5200 / cmd_stk52xx.c
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6617aae9
WD		 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/*
45a212c4 25 * STK52XX specific functions
6617aae9
WD		 26 */
27/*#define DEBUG*/
28
29#include <common.h>
30#include <command.h>
31
32#if (CONFIG_COMMANDS & CFG_CMD_BSP)
b87dfd28 33#if defined (CONFIG_STK52XX)
6617aae9
WD		 34
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
55static int i2s_squarewave(unsigned long duration, unsigned int freq,
56 unsigned int channel);
57static int i2s_sawtooth(unsigned long duration, unsigned int freq,
58 unsigned int channel);
59static void spi_init(void);
60static int spi_transmit(unsigned char data);
61static void pcm1772_write_reg(unsigned char addr, unsigned char data);
62static void set_attenuation(unsigned char attenuation);
63
6617aae9
WD		 64static 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
83static 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
103static 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
115static 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
123void 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
158static 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 *)(CFG_MBAR + 0x22C) = 0x805d; /* PSC2 CDM MCLK config; MCLK
169 * 5.617 MHz */
170 *(vu_long *)(CFG_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
181static int i2s_play_wave(unsigned long addr, unsigned long len)
182{
183 unsigned long i;
77ddac94 184 unsigned char *wave_file = (uchar *)addr + 44; /* quick'n dirty: skip
6617aae9
WD		 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
211static 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
263static 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
304static int cmd_sound(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
305{
306 unsigned long reg, val, duration;
77ddac94 307 char *tmp;
6617aae9
WD		 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 printf ("Usage:\n%s\n", cmdtp->usage);
331 return 1;
332 case 2:
333 if (strncmp(argv[1],"saw",3) == 0) {
334 printf ("Play sawtooth\n");
335 rcode = i2s_sawtooth (DEFAULT_DURATION, DEFAULT_FREQ,
336 LEFT_RIGHT);
337 return rcode;
338 } else if (strncmp(argv[1],"squ",3) == 0) {
339 printf ("Play squarewave\n");
340 rcode = i2s_squarewave (DEFAULT_DURATION, DEFAULT_FREQ,
341 LEFT_RIGHT);
342 return rcode;
343 }
344
345 printf ("Usage:\n%s\n", cmdtp->usage);
346 return 1;
347 case 3:
348 if (strncmp(argv[1],"saw",3) == 0) {
349 duration = simple_strtoul(argv[2], NULL, 10);
350 printf ("Play sawtooth\n");
351 rcode = i2s_sawtooth (duration, DEFAULT_FREQ,
352 LEFT_RIGHT);
353 return rcode;
354 } else if (strncmp(argv[1],"squ",3) == 0) {
355 duration = simple_strtoul(argv[2], NULL, 10);
356 printf ("Play squarewave\n");
357 rcode = i2s_squarewave (duration, DEFAULT_FREQ,
358 LEFT_RIGHT);
359 return rcode;
360 }
361 printf ("Usage:\n%s\n", cmdtp->usage);
362 return 1;
363 case 4:
364 if (strncmp(argv[1],"saw",3) == 0) {
365 duration = simple_strtoul(argv[2], NULL, 10);
366 freq = (unsigned int)simple_strtoul(argv[3], NULL, 10);
367 printf ("Play sawtooth\n");
368 rcode = i2s_sawtooth (duration, freq,
369 LEFT_RIGHT);
370 return rcode;
371 } else if (strncmp(argv[1],"squ",3) == 0) {
372 duration = simple_strtoul(argv[2], NULL, 10);
373 freq = (unsigned int)simple_strtoul(argv[3], NULL, 10);
374 printf ("Play squarewave\n");
375 rcode = i2s_squarewave (duration, freq,
376 LEFT_RIGHT);
377 return rcode;
378 } else if (strcmp(argv[1],"pcm1772") == 0) {
379 reg = simple_strtoul(argv[2], NULL, 10);
380 val = simple_strtoul(argv[3], NULL, 10);
381 printf("Set PCM1772 %lu. %lu\n", reg, val);
382 pcm1772_write_reg((uchar)reg, (uchar)val);
383 return 0;
384 }
385 printf ("Usage:\n%s\n", cmdtp->usage);
386 return 1;
387 case 5:
388 if (strncmp(argv[1],"saw",3) == 0) {
389 duration = simple_strtoul(argv[2], NULL, 10);
390 freq = (unsigned int)simple_strtoul(argv[3], NULL, 10);
391 if (strncmp(argv[4],"l",1) == 0)
392 channel = LEFT;
393 else if (strncmp(argv[4],"r",1) == 0)
394 channel = RIGHT;
395 else
396 channel = LEFT_RIGHT;
397 printf ("Play squarewave\n");
398 rcode = i2s_sawtooth (duration, freq,
399 channel);
400 return rcode;
401 } else if (strncmp(argv[1],"squ",3) == 0) {
402 duration = simple_strtoul(argv[2], NULL, 10);
403 freq = (unsigned int)simple_strtoul(argv[3], NULL, 10);
404 if (strncmp(argv[4],"l",1) == 0)
405 channel = LEFT;
406 else if (strncmp(argv[4],"r",1) == 0)
407 channel = RIGHT;
408 else
409 channel = LEFT_RIGHT;
410 printf ("Play squarewave\n");
411 rcode = i2s_squarewave (duration, freq,
412 channel);
413 return rcode;
414 }
415 printf ("Usage:\n%s\n", cmdtp->usage);
416 return 1;
417 }
418 printf ("Usage:\nsound cmd [arg1] [arg2] ...\n");
419 return 1;
420}
421
422static int cmd_wav(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
423{
424 unsigned long length, addr;
425 unsigned char volume;
426 int rcode = 1;
427 char *tmp;
428
429#ifdef CONFIG_STK52XX_REV100
430 printf ("Revision 100 of STK52XX not supported!\n");
431 return 1;
432#endif
433 spi_init();
434 i2s_init();
435 amplifier_init();
436
437 switch (argc) {
438
439 case 3:
440 length = simple_strtoul(argv[2], NULL, 16);
441 addr = simple_strtoul(argv[1], NULL, 16);
442 break;
443
444 case 2:
445 if ((tmp = getenv ("filesize")) != NULL) {
446 length = simple_strtoul (tmp, NULL, 16);
447 } else {
448 puts ("No filesize provided\n");
449 return 1;
450 }
451 addr = simple_strtoul(argv[1], NULL, 16);
452
453 case 1:
454 if ((tmp = getenv ("filesize")) != NULL) {
455 length = simple_strtoul (tmp, NULL, 16);
456 } else {
457 puts ("No filesize provided\n");
458 return 1;
459 }
460 if ((tmp = getenv ("loadaddr")) != NULL) {
461 addr = simple_strtoul (tmp, NULL, 16);
462 } else {
463 puts ("No loadaddr provided\n");
464 return 1;
465 }
466 break;
467
468 default:
469 printf("Usage:\nwav <addr> <length[s]\n");
470 return 1;
471 break;
472 }
473
474 if ((tmp = getenv ("volume")) != NULL) {
475 volume = simple_strtoul (tmp, NULL, 10);
476 } else {
477 volume = DEFAULT_VOL;
478 }
479 set_attenuation(volume);
480
481 printf("Play wave file at %#p with length %#x\n", addr, length);
482 rcode = i2s_play_wave(addr, length);
483
484 return rcode;
485}
486
487static int cmd_beep(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
488{
489 unsigned char volume;
490 unsigned int channel;
491 int rcode;
492 char *tmp;
493
494#ifdef CONFIG_STK52XX_REV100
495 printf ("Revision 100 of STK52XX not supported!\n");
496 return 1;
497#endif
498 spi_init();
499 i2s_init();
500 amplifier_init();
501
502 switch (argc) {
503 case 0:
504 case 1:
505 channel = LEFT_RIGHT;
506 break;
507 case 2:
508 if (strncmp(argv[1],"l",1) == 0)
509 channel = LEFT;
510 else if (strncmp(argv[1],"r",1) == 0)
511 channel = RIGHT;
512 else
513 channel = LEFT_RIGHT;
514 break;
515 default:
516 printf ("Usage:\n%s\n", cmdtp->usage);
517 return 1;
518 }
519
520 if ((tmp = getenv ("volume")) != NULL) {
521 volume = simple_strtoul (tmp, NULL, 10);
522 } else {
523 volume = DEFAULT_VOL;
524 }
525 set_attenuation(volume);
526
527 printf("Beep on ");
528 if (channel == LEFT)
529 printf ("left ");
530 else if (channel == RIGHT)
531 printf ("right ");
532 else
533 printf ("left and right ");
534 printf ("channel\n");
535
536 rcode = i2s_squarewave (DEFAULT_DURATION, DEFAULT_FREQ, channel);
537
538 return rcode;
539}
540
541void led_init(void)
542{
543 struct mpc5xxx_gpio *gpio = (struct mpc5xxx_gpio *)MPC5XXX_GPIO;
544 struct mpc5xxx_gpt_0_7 *gpt = (struct mpc5xxx_gpt_0_7 *)MPC5XXX_GPT;
545
546 /* configure PSC3 for SPI and GPIO */
547 gpio->port_config &= ~(0x00000F00);
548 gpio->port_config |= 0x00000800;
549
550 gpio->simple_gpioe &= ~(0x00000F00);
551 gpio->simple_gpioe |= 0x00000F00;
552
553 gpio->simple_ddr &= ~(0x00000F00);
554 gpio->simple_ddr |= 0x00000F00;
555
556 /* configure timer 4-7 for simple GPIO output */
557 gpt->gpt4.emsr |= 0x00000024;
558 gpt->gpt5.emsr |= 0x00000024;
559 gpt->gpt6.emsr |= 0x00000024;
560 gpt->gpt7.emsr |= 0x00000024;
561
562
563 /* enable SM501 GPIO control (in both power modes) */
564 *(vu_long *) (SM501_MMIO_BASE+SM501_POWER_MODE0_GATE) |=
565 POWER_MODE_GATE_GPIO_PWM_I2C;
566 *(vu_long *) (SM501_MMIO_BASE+SM501_POWER_MODE1_GATE) |=
567 POWER_MODE_GATE_GPIO_PWM_I2C;
568
569 /* configure SM501 gpio pins 24-27 as output */
570 *(vu_long *) (SM501_MMIO_BASE+SM501_GPIO_CTRL_LOW) &= ~(0xF << 24);
571 *(vu_long *) (SM501_MMIO_BASE+SM501_GPIO_DATA_DIR_LOW) |= (0xF << 24);
572
573 /* configure SM501 gpio pins 48-51 as output */
574 *(vu_long *) (SM501_MMIO_BASE+SM501_GPIO_DATA_DIR_HIGH) |= (0xF << 16);
575}
576
577/*
578 * return 1 if led number unknown
579 * return 0 else
580 */
581int do_led(char *argv[])
582{
583 struct mpc5xxx_gpio *gpio = (struct mpc5xxx_gpio *)MPC5XXX_GPIO;
584 struct mpc5xxx_gpt_0_7 *gpt = (struct mpc5xxx_gpt_0_7 *)MPC5XXX_GPT;
585
586 switch (simple_strtoul(argv[2], NULL, 10)) {
587
588 case 0:
589 if (strcmp (argv[3], "on") == 0) {
590 gpio->simple_dvo |= (1 << 8);
591 } else {
592 gpio->simple_dvo &= ~(1 << 8);
593 }
594 break;
595
596 case 1:
597 if (strcmp (argv[3], "on") == 0) {
598 gpio->simple_dvo |= (1 << 9);
599 } else {
600 gpio->simple_dvo &= ~(1 << 9);
601 }
602 break;
603
604 case 2:
605 if (strcmp (argv[3], "on") == 0) {
606 gpio->simple_dvo |= (1 << 10);
607 } else {
608 gpio->simple_dvo &= ~(1 << 10);
609 }
610 break;
611
612 case 3:
613 if (strcmp (argv[3], "on") == 0) {
614 gpio->simple_dvo |= (1 << 11);
615 } else {
616 gpio->simple_dvo &= ~(1 << 11);
617 }
618 break;
619
620 case 4:
621 if (strcmp (argv[3], "on") == 0) {
622 gpt->gpt4.emsr |= (1 << 4);
623 } else {
624 gpt->gpt4.emsr &= ~(1 << 4);
625 }
626 break;
627
628 case 5:
629 if (strcmp (argv[3], "on") == 0) {
630 gpt->gpt5.emsr |= (1 << 4);
631 } else {
632 gpt->gpt5.emsr &= ~(1 << 4);
633 }
634 break;
635
636 case 6:
637 if (strcmp (argv[3], "on") == 0) {
638 gpt->gpt6.emsr |= (1 << 4);
639 } else {
640 gpt->gpt6.emsr &= ~(1 << 4);
641 }
642 break;
643
644 case 7:
645 if (strcmp (argv[3], "on") == 0) {
646 gpt->gpt7.emsr |= (1 << 4);
647 } else {
648 gpt->gpt7.emsr &= ~(1 << 4);
649 }
650 break;
651
652 case 24:
653 if (strcmp (argv[3], "on") == 0) {
654 *(vu_long *) (SM501_MMIO_BASE+SM501_GPIO_DATA_LOW) |=
655 (0x1 << 24);
656 } else {
657 *(vu_long *) (SM501_MMIO_BASE+SM501_GPIO_DATA_LOW) &=
658 ~(0x1 << 24);
659 }
660 break;
661
662 case 25:
663 if (strcmp (argv[3], "on") == 0) {
664 *(vu_long *) (SM501_MMIO_BASE+SM501_GPIO_DATA_LOW) |=
665 (0x1 << 25);
666 } else {
667 *(vu_long *) (SM501_MMIO_BASE+SM501_GPIO_DATA_LOW) &=
668 ~(0x1 << 25);
669 }
670 break;
671
672 case 26:
673 if (strcmp (argv[3], "on") == 0) {
674 *(vu_long *) (SM501_MMIO_BASE+SM501_GPIO_DATA_LOW) |=
675 (0x1 << 26);
676 } else {
677 *(vu_long *) (SM501_MMIO_BASE+SM501_GPIO_DATA_LOW) &=
678 ~(0x1 << 26);
679 }
680 break;
681
682 case 27:
683 if (strcmp (argv[3], "on") == 0) {
684 *(vu_long *) (SM501_MMIO_BASE+SM501_GPIO_DATA_LOW) |=
685 (0x1 << 27);
686 } else {
687 *(vu_long *) (SM501_MMIO_BASE+SM501_GPIO_DATA_LOW) &=
688 ~(0x1 << 27);
689 }
690 break;
691
692 case 48:
693 if (strcmp (argv[3], "on") == 0) {
694 *(vu_long *) (SM501_MMIO_BASE+SM501_GPIO_DATA_HIGH) |=
695 (0x1 << 16);
696 } else {
697 *(vu_long *) (SM501_MMIO_BASE+SM501_GPIO_DATA_HIGH) &=
698 ~(0x1 << 16);
699 }
700 break;
701
702 case 49:
703 if (strcmp (argv[3], "on") == 0) {
704 *(vu_long *) (SM501_MMIO_BASE+SM501_GPIO_DATA_HIGH) |=
705 (0x1 << 17);
706 } else {
707 *(vu_long *) (SM501_MMIO_BASE+SM501_GPIO_DATA_HIGH) &=
708 ~(0x1 << 17);
709 }
710 break;
711
712 case 50:
713 if (strcmp (argv[3], "on") == 0) {
714 *(vu_long *) (SM501_MMIO_BASE+SM501_GPIO_DATA_HIGH) |=
715 (0x1 << 18);
716 } else {
717 *(vu_long *) (SM501_MMIO_BASE+SM501_GPIO_DATA_HIGH) &=
718 ~(0x1 << 18);
719 }
720 break;
721
722 case 51:
723 if (strcmp (argv[3], "on") == 0) {
724 *(vu_long *) (SM501_MMIO_BASE+SM501_GPIO_DATA_HIGH) |=
725 (0x1 << 19);
726 } else {
727 *(vu_long *) (SM501_MMIO_BASE+SM501_GPIO_DATA_HIGH) &=
728 ~(0x1 << 19);
729 }
730 break;
731
732 default:
733 printf ("%s: invalid led number %s\n", __FUNCTION__, argv[2]);
734 return 1;
735 }
736
737 return 0;
738}
739
740/*
741 * return 1 on CAN initialization failure
742 * return 0 if no failure
743 */
744int can_init(void)
745{
746 static int init_done = 0;
747 int i;
748 struct mpc5xxx_mscan *can1 =
749 (struct mpc5xxx_mscan *)(CFG_MBAR + 0x0900);
750 struct mpc5xxx_mscan *can2 =
751 (struct mpc5xxx_mscan *)(CFG_MBAR + 0x0980);
752
753 /* GPIO configuration of the CAN pins is done in TQM5200.h */
754
755 if (!init_done) {
756 /* init CAN 1 */
757 can1->canctl1 |= 0x80; /* CAN enable */
758 udelay(100);
759
760 i = 0;
761 can1->canctl0 |= 0x02; /* sleep mode */
762 /* wait until sleep mode reached */
763 while (!(can1->canctl1 & 0x02)) {
764 udelay(10);
765 i++;
766 if (i == 10) {
767 printf ("%s: CAN1 initialize error, "
768 "can not enter sleep mode!\n",
769 __FUNCTION__);
770 return 1;
771 }
772 }
773 i = 0;
774 can1->canctl0 = 0x01; /* enter init mode */
775 /* wait until init mode reached */
776 while (!(can1->canctl1 & 0x01)) {
777 udelay(10);
778 i++;
779 if (i == 10) {
780 printf ("%s: CAN1 initialize error, "
781 "can not enter init mode!\n",
782 __FUNCTION__);
783 return 1;
784 }
785 }
786 can1->canctl1 = 0x80;
787 can1->canctl1 |= 0x40;
788 can1->canbtr0 = 0x0F;
789 can1->canbtr1 = 0x7F;
790 can1->canidac &= ~(0x30);
791 can1->canidar1 = 0x00;
792 can1->canidar3 = 0x00;
793 can1->canidar5 = 0x00;
794 can1->canidar7 = 0x00;
795 can1->canidmr0 = 0xFF;
796 can1->canidmr1 = 0xFF;
797 can1->canidmr2 = 0xFF;
798 can1->canidmr3 = 0xFF;
799 can1->canidmr4 = 0xFF;
800 can1->canidmr5 = 0xFF;
801 can1->canidmr6 = 0xFF;
802 can1->canidmr7 = 0xFF;
803
804 i = 0;
805 can1->canctl0 &= ~(0x01); /* leave init mode */
806 can1->canctl0 &= ~(0x02);
807 /* wait until init and sleep mode left */
808 while ((can1->canctl1 & 0x01) || (can1->canctl1 & 0x02)) {
809 udelay(10);
810 i++;
811 if (i == 10) {
812 printf ("%s: CAN1 initialize error, "
813 "can not leave init/sleep mode!\n",
814 __FUNCTION__);
815 return 1;
816 }
817 }
818
819 /* init CAN 2 */
820 can2->canctl1 |= 0x80; /* CAN enable */
821 udelay(100);
822
823 i = 0;
824 can2->canctl0 |= 0x02; /* sleep mode */
825 /* wait until sleep mode reached */
826 while (!(can2->canctl1 & 0x02)) {
827 udelay(10);
828 i++;
829 if (i == 10) {
830 printf ("%s: CAN2 initialize error, "
831 "can not enter sleep mode!\n",
832 __FUNCTION__);
833 return 1;
834 }
835 }
836 i = 0;
837 can2->canctl0 = 0x01; /* enter init mode */
838 /* wait until init mode reached */
839 while (!(can2->canctl1 & 0x01)) {
840 udelay(10);
841 i++;
842 if (i == 10) {
843 printf ("%s: CAN2 initialize error, "
844 "can not enter init mode!\n",
845 __FUNCTION__);
846 return 1;
847 }
848 }
849 can2->canctl1 = 0x80;
850 can2->canctl1 |= 0x40;
851 can2->canbtr0 = 0x0F;
852 can2->canbtr1 = 0x7F;
853 can2->canidac &= ~(0x30);
854 can2->canidar1 = 0x00;
855 can2->canidar3 = 0x00;
856 can2->canidar5 = 0x00;
857 can2->canidar7 = 0x00;
858 can2->canidmr0 = 0xFF;
859 can2->canidmr1 = 0xFF;
860 can2->canidmr2 = 0xFF;
861 can2->canidmr3 = 0xFF;
862 can2->canidmr4 = 0xFF;
863 can2->canidmr5 = 0xFF;
864 can2->canidmr6 = 0xFF;
865 can2->canidmr7 = 0xFF;
866 can2->canctl0 &= ~(0x01); /* leave init mode */
867 can2->canctl0 &= ~(0x02);
868
869 i = 0;
870 /* wait until init mode left */
871 while ((can2->canctl1 & 0x01) || (can2->canctl1 & 0x02)) {
872 udelay(10);
873 i++;
874 if (i == 10) {
875 printf ("%s: CAN2 initialize error, "
876 "can not leave init/sleep mode!\n",
877 __FUNCTION__);
878 return 1;
879 }
880 }
881 init_done = 1;
882 }
883 return 0;
884}
885
886/*
887 * return 1 on CAN failure
888 * return 0 if no failure
889 */
890int do_can(char *argv[])
891{
892 int i;
893 struct mpc5xxx_mscan *can1 =
894 (struct mpc5xxx_mscan *)(CFG_MBAR + 0x0900);
895 struct mpc5xxx_mscan *can2 =
896 (struct mpc5xxx_mscan *)(CFG_MBAR + 0x0980);
897
898 /* send a message on CAN1 */
899 can1->cantbsel = 0x01;
900 can1->cantxfg.idr[0] = 0x55;
901 can1->cantxfg.idr[1] = 0x00;
902 can1->cantxfg.idr[1] &= ~0x8;
903 can1->cantxfg.idr[1] &= ~0x10;
904 can1->cantxfg.dsr[0] = 0xCC;
905 can1->cantxfg.dlr = 1;
906 can1->cantxfg.tbpr = 0;
907 can1->cantflg = 0x01;
908
909 i = 0;
910 while ((can1->cantflg & 0x01) == 0) {
911 i++;
912 if (i == 10) {
913 printf ("%s: CAN1 send timeout, "
914 "can not send message!\n",
915 __FUNCTION__);
916 return 1;
917 }
918 udelay(1000);
919 }
920 udelay(1000);
921
922 i = 0;
923 while (!(can2->canrflg & 0x01)) {
924 i++;
925 if (i == 10) {
926 printf ("%s: CAN2 receive timeout, "
927 "no message received!\n",
928 __FUNCTION__);
929 return 1;
930 }
931 udelay(1000);
932 }
933
934 if (can2->canrxfg.dsr[0] != 0xCC) {
935 printf ("%s: CAN2 receive error, "
936 "data mismatch!\n",
937 __FUNCTION__);
938 return 1;
939 }
940
941 /* send a message on CAN2 */
942 can2->cantbsel = 0x01;
943 can2->cantxfg.idr[0] = 0x55;
944 can2->cantxfg.idr[1] = 0x00;
945 can2->cantxfg.idr[1] &= ~0x8;
946 can2->cantxfg.idr[1] &= ~0x10;
947 can2->cantxfg.dsr[0] = 0xCC;
948 can2->cantxfg.dlr = 1;
949 can2->cantxfg.tbpr = 0;
950 can2->cantflg = 0x01;
951
952 i = 0;
953 while ((can2->cantflg & 0x01) == 0) {
954 i++;
955 if (i == 10) {
956 printf ("%s: CAN2 send error, "
957 "can not send message!\n",
958 __FUNCTION__);
959 return 1;
960 }
961 udelay(1000);
962 }
963 udelay(1000);
964
965 i = 0;
966 while (!(can1->canrflg & 0x01)) {
967 i++;
968 if (i == 10) {
969 printf ("%s: CAN1 receive timeout, "
970 "no message received!\n",
971 __FUNCTION__);
972 return 1;
973 }
974 udelay(1000);
975 }
976
977 if (can1->canrxfg.dsr[0] != 0xCC) {
978 printf ("%s: CAN1 receive error 0x%02x\n",
979 __FUNCTION__, (can1->canrxfg.dsr[0]));
980 return 1;
981 }
982
983 return 0;
984}
985
986/*
987 * return 1 if rs232 port unknown
988 * return 2 on txd/rxd failure (only rs232 2)
989 * return 3 on rts/cts failure
990 * return 0 if no failure
991 */
992int do_rs232(char *argv[])
993{
994 int error_status = 0;
995 struct mpc5xxx_gpio *gpio = (struct mpc5xxx_gpio *)MPC5XXX_GPIO;
996 struct mpc5xxx_psc *psc1 = (struct mpc5xxx_psc *)MPC5XXX_PSC1;
997
998 switch (simple_strtoul(argv[2], NULL, 10)) {
999
1000 case 1:
1001 /* check RTS <-> CTS loop */
1002 /* set rts to 0 */
1003 psc1->op1 |= 0x01;
1004
1005 /* wait some time before requesting status */
1006 udelay(10);
1007
1008 /* check status at cts */
1009 if ((psc1->ip & 0x01) != 0) {
1010 error_status = 3;
1011 printf ("%s: failure at rs232_1, cts status is %d "
1012 "(should be 0)\n",
1013 __FUNCTION__, (psc1->ip & 0x01));
1014 }
1015
1016 /* set rts to 1 */
1017 psc1->op0 |= 0x01;
1018
1019 /* wait some time before requesting status */
1020 udelay(10);
1021
1022 /* check status at cts */
1023 if ((psc1->ip & 0x01) != 1) {
1024 error_status = 3;
1025 printf ("%s: failure at rs232_1, cts status is %d "
1026 "(should be 1)\n",
1027 __FUNCTION__, (psc1->ip & 0x01));
1028 }
1029
1030 break;
1031
1032 case 2:
1033 /* set PSC3_0, PSC3_2 as output and PSC3_1, PSC3_3 as input */
1034 gpio->simple_ddr &= ~(0x00000F00);
1035 gpio->simple_ddr |= 0x00000500;
1036
1037 /* check TXD <-> RXD loop */
1038 /* set TXD to 1 */
1039 gpio->simple_dvo |= (1 << 8);
1040
1041 /* wait some time before requesting status */
1042 udelay(10);
1043
1044 if ((gpio->simple_ival & 0x00000200) != 0x00000200) {
1045 error_status = 2;
1046 printf ("%s: failure at rs232_2, rxd status is %d "
1047 "(should be 1)\n",
1048 __FUNCTION__,
1049 (gpio->simple_ival & 0x00000200) >> 9);
1050 }
1051
1052 /* set TXD to 0 */
1053 gpio->simple_dvo &= ~(1 << 8);
1054
1055 /* wait some time before requesting status */
1056 udelay(10);
1057
1058 if ((gpio->simple_ival & 0x00000200) != 0x00000000) {
1059 error_status = 2;
1060 printf ("%s: failure at rs232_2, rxd status is %d "
1061 "(should be 0)\n",
1062 __FUNCTION__,
1063 (gpio->simple_ival & 0x00000200) >> 9);
1064 }
1065
1066 /* check RTS <-> CTS loop */
1067 /* set RTS to 1 */
1068 gpio->simple_dvo |= (1 << 10);
1069
1070 /* wait some time before requesting status */
1071 udelay(10);
1072
1073 if ((gpio->simple_ival & 0x00000800) != 0x00000800) {
1074 error_status = 3;
1075 printf ("%s: failure at rs232_2, cts status is %d "
1076 "(should be 1)\n",
1077 __FUNCTION__,
1078 (gpio->simple_ival & 0x00000800) >> 11);
1079 }
1080
1081 /* set RTS to 0 */
1082 gpio->simple_dvo &= ~(1 << 10);
1083
1084 /* wait some time before requesting status */
1085 udelay(10);
1086
1087 if ((gpio->simple_ival & 0x00000800) != 0x00000000) {
1088 error_status = 3;
1089 printf ("%s: failure at rs232_2, cts status is %d "
1090 "(should be 0)\n",
1091 __FUNCTION__,
1092 (gpio->simple_ival & 0x00000800) >> 11);
1093 }
1094
1095 /* set PSC3_0, PSC3_1, PSC3_2 and PSC3_3 as output */
1096 gpio->simple_ddr &= ~(0x00000F00);
1097 gpio->simple_ddr |= 0x00000F00;
1098 break;
1099
1100 default:
1101 printf ("%s: invalid rs232 number %s\n", __FUNCTION__, argv[2]);
1102 error_status = 1;
1103 break;
1104 }
1105
1106 return error_status;
1107}
1108
1109static 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
1119int cmd_fkt(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
1120{
1121 int rcode;
1122
1123#ifdef CONFIG_STK52XX_REV100
1124 printf ("Revision 100 of STK52XX not supported!\n");
1125 return 1;
1126#endif
1127 led_init();
1128 can_init();
1129
1130 switch (argc) {
1131
1132 case 0:
1133 case 1:
1134 break;
1135
1136 case 2:
1137 if (strncmp (argv[1], "can", 3) == 0) {
1138 rcode = do_can (argv);
1139 if (rcode == 0)
1140 printf ("OK\n");
1141 else
1142 printf ("Error\n");
1143 return rcode;
1144 }
1145 break;
1146
1147 case 3:
1148 if (strncmp (argv[1], "rs232", 3) == 0) {
1149 rcode = do_rs232 (argv);
1150 if (rcode == 0)
1151 printf ("OK\n");
1152 else
1153 printf ("Error\n");
1154 return rcode;
1155 } else if (strncmp (argv[1], "backlight", 4) == 0) {
1156 if (strncmp (argv[2], "on", 2) == 0) {
1157 sm501_backlight (BL_ON);
1158 return 0;
1159 }
1160 else if (strncmp (argv[2], "off", 3) == 0) {
1161 sm501_backlight (BL_OFF);
1162 return 0;
1163 }
1164 }
1165 break;
1166
1167 case 4:
1168 if (strcmp (argv[1], "led") == 0) {
1169 return (do_led (argv));
1170 }
1171 break;
1172
1173 default:
1174 break;
1175 }
1176
1177 printf ("Usage:\nfkt cmd [arg1] [arg2] ...\n");
1178 return 1;
1179}
1180
1181
1182U_BOOT_CMD(
1183 sound , 5, 1, cmd_sound,
1184 "sound - Sound sub-system\n",
1185 "saw [duration] [freq] [channel]\n"
1186 " - generate sawtooth for 'duration' ms with frequency 'freq'\n"
1187 " on left \"l\" or right \"r\" channel\n"
1188 "sound square [duration] [freq] [channel]\n"
1189 " - generate squarewave for 'duration' ms with frequency 'freq'\n"
1190 " on left \"l\" or right \"r\" channel\n"
1191 "pcm1772 reg val\n"
1192);
1193
1194U_BOOT_CMD(
1195 wav , 3, 1, cmd_wav,
1196 "wav - play wav file\n",
1197 "[addr] [bytes]\n"
1198 " - play wav file at address 'addr' with length 'bytes'\n"
1199);
1200
1201U_BOOT_CMD(
1202 beep , 2, 1, cmd_beep,
1203 "beep - play short beep\n",
1204 "[channel]\n"
1205 " - play short beep on \"l\"eft or \"r\"ight channel\n"
1206);
1207
1208U_BOOT_CMD(
1209 fkt , 4, 1, cmd_fkt,
1210 "fkt - Function test routines\n",
1211 "led number on/off\n"
45a212c4 1212 " - 'number's like printed on STK52XX board\n"
6617aae9
WD		 1213 "fkt can\n"
1214 " - loopback plug for X83 required\n"
1215 "fkt rs232 number\n"
1216 " - loopback plug(s) for X2 required\n"
1217 "fkt backlight on/off\n"
1218 " - switch backlight on or off\n"
1219);
1220#endif /* CONFIG_STK52XX */
1221#endif /* CFG_CMD_BSP */
"Das U-Boot" Source Tree