3 * Martin Krause, TQ-Systems GmbH, martin.krause@tqs.de.
5 * See file CREDITS for list of people who contributed to this
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.
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.
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,
25 * STK52XX specific functions
32 #if defined(CONFIG_CMD_BSP)
34 #if defined(CONFIG_STK52XX) || defined(CONFIG_FO300)
35 #define DEFAULT_VOL 45
36 #define DEFAULT_FREQ 500
37 #define DEFAULT_DURATION 200
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
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);
64 static void spi_init(void)
66 struct mpc5xxx_spi *spi = (struct mpc5xxx_spi*)MPC5XXX_SPI;
67 struct mpc5xxx_gpio *gpio = (struct mpc5xxx_gpio*)MPC5XXX_GPIO;
69 /* PSC3 as SPI and GPIOs */
70 gpio->port_config &= 0xFFFFF0FF;
71 gpio->port_config |= 0x00000800;
73 * Its important to use the correct order when initializing the
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 */
83 static int spi_transmit(unsigned char data)
85 struct mpc5xxx_spi *spi = (struct mpc5xxx_spi*)MPC5XXX_SPI;
88 /* wait for SPI transmission completed */
89 while (!(spi->sr & 0x80)) {
90 if (spi->sr & 0x40) { /* if write collision occured */
93 /* do dummy read to clear status register */
95 printf("SPI write collision: dr=0x%x\n", dummy);
102 static void pcm1772_write_reg(unsigned char addr, unsigned char data)
104 struct mpc5xxx_spi *spi = (struct mpc5xxx_spi*)MPC5XXX_SPI;
106 spi->pdr = 0x00; /* Set SS low */
109 /* wait some time to meet MS# hold time of PCM1772 */
111 spi->pdr = 0x08; /* set SS high */
114 static void set_attenuation(unsigned char attenuation)
116 pcm1772_write_reg(0x01, attenuation); /* left channel */
117 debug ("PCM1772 attenuation left set to %d.\n", attenuation);
118 pcm1772_write_reg(0x02, attenuation); /* right channel */
119 debug ("PCM1772 attenuation right set to %d.\n", attenuation);
122 void amplifier_init(void)
124 static int init_done = 0;
126 struct mpc5xxx_gpio *gpio = (struct mpc5xxx_gpio*)MPC5XXX_GPIO;
128 /* Do this only once, because of the long time delay */
130 /* configure PCM1772 audio format as I2S */
131 pcm1772_write_reg(0x03, 0x01);
132 /* enable audio amplifier */
133 gpio->sint_gpioe |= 0x02; /* PSC3_5 as GPIO */
134 gpio->sint_ode &= ~0x02; /* PSC3_5 is not open Drain */
135 gpio->sint_dvo &= ~0x02; /* PSC3_5 is LOW */
136 gpio->sint_ddr |= 0x02; /* PSC3_5 as output */
138 * wait some time to allow amplifier to recover from shutdown
141 for(i = 0; i < 350; i++)
144 * The used amplifier (LM4867) has a so called "pop and click"
145 * elmination filter. The input signal of the amplifier must
146 * exceed a certain level once after power up to activate the
147 * generation of the output signal. This is achieved by
148 * sending a low frequent (nearly inaudible) sawtooth with a
149 * sufficient signal level.
152 i2s_sawtooth (200, 5, LEFT_RIGHT);
157 static void i2s_init(void)
160 struct mpc5xxx_psc *psc = (struct mpc5xxx_psc*)MPC5XXX_PSC2;;
161 struct mpc5xxx_gpio *gpio = (struct mpc5xxx_gpio*)MPC5XXX_GPIO;
163 gpio->port_config |= 0x00000070; /* PSC2 ports as Codec with MCLK */
164 psc->command = (PSC_RX_DISABLE | PSC_TX_DISABLE);
165 psc->sicr = 0x22E00000; /* 16 bit data; I2S */
167 *(vu_long *)(CONFIG_SYS_MBAR + 0x22C) = 0x805d; /* PSC2 CDM MCLK config; MCLK
169 *(vu_long *)(CONFIG_SYS_MBAR + 0x214) |= 0x00000040; /* CDM clock enable
171 psc->ccr = 0x1F03; /* 16 bit data width; 5.617MHz MCLK */
172 psc->ctur = 0x0F; /* 16 bit frame width */
174 for (i = 0; i < 128; i++)
175 psc->psc_buffer_32 = 0; /* clear tx fifo */
178 static int i2s_play_wave(unsigned long addr, unsigned long len)
181 unsigned char *wave_file = (uchar *)addr + 44; /* quick'n dirty: skip
183 struct mpc5xxx_psc *psc = (struct mpc5xxx_psc*)MPC5XXX_PSC2;
186 * play wave file in memory; bytes/words are be swapped
188 psc->command = (PSC_RX_ENABLE | PSC_TX_ENABLE);
190 for(i = 0;i < (len / 4); i++) {
191 unsigned char swapped[4];
192 unsigned long *p = (unsigned long*)swapped;
194 swapped[3] = *wave_file++;
195 swapped[2] = *wave_file++;
196 swapped[1] = *wave_file++;
197 swapped[0] = *wave_file++;
199 psc->psc_buffer_32 = *p;
201 while (psc->tfnum > 400) {
206 while (psc->tfnum > 0); /* wait for fifo empty */
208 psc->command = (PSC_RX_DISABLE | PSC_TX_DISABLE);
212 static int i2s_sawtooth(unsigned long duration, unsigned int freq,
213 unsigned int channel)
217 struct mpc5xxx_psc *psc = (struct mpc5xxx_psc*)MPC5XXX_PSC2;
219 psc->command = (PSC_RX_ENABLE | PSC_TX_ENABLE);
222 * Generate sawtooth. Start with middle level up to highest level. Then
223 * go to lowest level and back to middle level.
225 for(j = 0; j < ((duration * freq) / 1000); j++) {
226 for(i = 0; i <= 0x7FFF; i += (0x7FFF/(44100/(freq*4)))) {
228 /* data format: right data left data) */
229 if (channel == LEFT_RIGHT)
231 if (channel == RIGHT)
233 psc->psc_buffer_32 = data;
234 while (psc->tfnum > 400);
236 for(i = 0x7FFF; i >= -0x7FFF; i -= (0xFFFF/(44100/(freq*2)))) {
238 /* data format: right data left data) */
239 if (channel == LEFT_RIGHT)
241 if (channel == RIGHT)
243 psc->psc_buffer_32 = data;
244 while (psc->tfnum > 400);
246 for(i = -0x7FFF; i <= 0; i += (0x7FFF/(44100/(freq*4)))) {
248 /* data format: right data left data) */
249 if (channel == LEFT_RIGHT)
251 if (channel == RIGHT)
253 psc->psc_buffer_32 = data;
254 while (psc->tfnum > 400);
257 while (psc->tfnum > 0); /* wait for fifo empty */
259 psc->command = (PSC_RX_DISABLE | PSC_TX_DISABLE);
264 static int i2s_squarewave(unsigned long duration, unsigned int freq,
265 unsigned int channel)
269 struct mpc5xxx_psc *psc = (struct mpc5xxx_psc*)MPC5XXX_PSC2;
271 psc->command = (PSC_RX_ENABLE | PSC_TX_ENABLE);
274 * Generate sqarewave. Start with high level, duty cycle 1:1.
276 for(j = 0; j < ((duration * freq) / 1000); j++) {
277 for(i = 0; i < (44100/(freq*2)); i ++) {
279 /* data format: right data left data) */
280 if (channel == LEFT_RIGHT)
282 if (channel == RIGHT)
284 psc->psc_buffer_32 = data;
285 while (psc->tfnum > 400);
287 for(i = 0; i < (44100/(freq*2)); i ++) {
289 /* data format: right data left data) */
290 if (channel == LEFT_RIGHT)
292 if (channel == RIGHT)
294 psc->psc_buffer_32 = data;
295 while (psc->tfnum > 400);
298 while (psc->tfnum > 0); /* wait for fifo empty */
300 psc->command = (PSC_RX_DISABLE | PSC_TX_DISABLE);
305 static int cmd_sound(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
307 unsigned long reg, val, duration;
309 unsigned int freq, channel;
310 unsigned char volume;
313 #ifdef CONFIG_STK52XX_REV100
314 printf ("Revision 100 of STK52XX not supported!\n");
321 if ((tmp = getenv ("volume")) != NULL) {
322 volume = simple_strtoul (tmp, NULL, 10);
324 volume = DEFAULT_VOL;
326 set_attenuation(volume);
331 return cmd_usage(cmdtp);
333 if (strncmp(argv[1],"saw",3) == 0) {
334 printf ("Play sawtooth\n");
335 rcode = i2s_sawtooth (DEFAULT_DURATION, DEFAULT_FREQ,
338 } else if (strncmp(argv[1],"squ",3) == 0) {
339 printf ("Play squarewave\n");
340 rcode = i2s_squarewave (DEFAULT_DURATION, DEFAULT_FREQ,
345 return cmd_usage(cmdtp);
347 if (strncmp(argv[1],"saw",3) == 0) {
348 duration = simple_strtoul(argv[2], NULL, 10);
349 printf ("Play sawtooth\n");
350 rcode = i2s_sawtooth (duration, DEFAULT_FREQ,
353 } else if (strncmp(argv[1],"squ",3) == 0) {
354 duration = simple_strtoul(argv[2], NULL, 10);
355 printf ("Play squarewave\n");
356 rcode = i2s_squarewave (duration, DEFAULT_FREQ,
360 return cmd_usage(cmdtp);
362 if (strncmp(argv[1],"saw",3) == 0) {
363 duration = simple_strtoul(argv[2], NULL, 10);
364 freq = (unsigned int)simple_strtoul(argv[3], NULL, 10);
365 printf ("Play sawtooth\n");
366 rcode = i2s_sawtooth (duration, freq,
369 } else if (strncmp(argv[1],"squ",3) == 0) {
370 duration = simple_strtoul(argv[2], NULL, 10);
371 freq = (unsigned int)simple_strtoul(argv[3], NULL, 10);
372 printf ("Play squarewave\n");
373 rcode = i2s_squarewave (duration, freq,
376 } else if (strcmp(argv[1],"pcm1772") == 0) {
377 reg = simple_strtoul(argv[2], NULL, 10);
378 val = simple_strtoul(argv[3], NULL, 10);
379 printf("Set PCM1772 %lu. %lu\n", reg, val);
380 pcm1772_write_reg((uchar)reg, (uchar)val);
383 return cmd_usage(cmdtp);
385 if (strncmp(argv[1],"saw",3) == 0) {
386 duration = simple_strtoul(argv[2], NULL, 10);
387 freq = (unsigned int)simple_strtoul(argv[3], NULL, 10);
388 if (strncmp(argv[4],"l",1) == 0)
390 else if (strncmp(argv[4],"r",1) == 0)
393 channel = LEFT_RIGHT;
394 printf ("Play squarewave\n");
395 rcode = i2s_sawtooth (duration, freq,
398 } else if (strncmp(argv[1],"squ",3) == 0) {
399 duration = simple_strtoul(argv[2], NULL, 10);
400 freq = (unsigned int)simple_strtoul(argv[3], NULL, 10);
401 if (strncmp(argv[4],"l",1) == 0)
403 else if (strncmp(argv[4],"r",1) == 0)
406 channel = LEFT_RIGHT;
407 printf ("Play squarewave\n");
408 rcode = i2s_squarewave (duration, freq,
412 return cmd_usage(cmdtp);
414 printf ("Usage:\nsound cmd [arg1] [arg2] ...\n");
418 static int cmd_wav(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
420 unsigned long length, addr;
421 unsigned char volume;
425 #ifdef CONFIG_STK52XX_REV100
426 printf ("Revision 100 of STK52XX not supported!\n");
436 length = simple_strtoul(argv[2], NULL, 16);
437 addr = simple_strtoul(argv[1], NULL, 16);
441 if ((tmp = getenv ("filesize")) != NULL) {
442 length = simple_strtoul (tmp, NULL, 16);
444 puts ("No filesize provided\n");
447 addr = simple_strtoul(argv[1], NULL, 16);
450 if ((tmp = getenv ("filesize")) != NULL) {
451 length = simple_strtoul (tmp, NULL, 16);
453 puts ("No filesize provided\n");
456 if ((tmp = getenv ("loadaddr")) != NULL) {
457 addr = simple_strtoul (tmp, NULL, 16);
459 puts ("No loadaddr provided\n");
465 printf("Usage:\nwav <addr> <length[s]\n");
470 if ((tmp = getenv ("volume")) != NULL) {
471 volume = simple_strtoul (tmp, NULL, 10);
473 volume = DEFAULT_VOL;
475 set_attenuation(volume);
477 printf("Play wave file at %lX with length %lX\n", addr, length);
478 rcode = i2s_play_wave(addr, length);
483 static int cmd_beep(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
485 unsigned char volume;
486 unsigned int channel;
490 #ifdef CONFIG_STK52XX_REV100
491 printf ("Revision 100 of STK52XX not supported!\n");
501 channel = LEFT_RIGHT;
504 if (strncmp(argv[1],"l",1) == 0)
506 else if (strncmp(argv[1],"r",1) == 0)
509 channel = LEFT_RIGHT;
512 return cmd_usage(cmdtp);
515 if ((tmp = getenv ("volume")) != NULL) {
516 volume = simple_strtoul (tmp, NULL, 10);
518 volume = DEFAULT_VOL;
520 set_attenuation(volume);
525 else if (channel == RIGHT)
528 printf ("left and right ");
529 printf ("channel\n");
531 rcode = i2s_squarewave (DEFAULT_DURATION, DEFAULT_FREQ, channel);
537 #if defined(CONFIG_STK52XX)
540 struct mpc5xxx_gpio *gpio = (struct mpc5xxx_gpio *)MPC5XXX_GPIO;
541 struct mpc5xxx_gpt_0_7 *gpt = (struct mpc5xxx_gpt_0_7 *)MPC5XXX_GPT;
543 /* configure PSC3 for SPI and GPIO */
544 gpio->port_config &= ~(0x00000F00);
545 gpio->port_config |= 0x00000800;
547 gpio->simple_gpioe &= ~(0x00000F00);
548 gpio->simple_gpioe |= 0x00000F00;
550 gpio->simple_ddr &= ~(0x00000F00);
551 gpio->simple_ddr |= 0x00000F00;
553 /* configure timer 4-7 for simple GPIO output */
554 gpt->gpt4.emsr |= 0x00000024;
555 gpt->gpt5.emsr |= 0x00000024;
556 gpt->gpt6.emsr |= 0x00000024;
557 gpt->gpt7.emsr |= 0x00000024;
559 #ifndef CONFIG_TQM5200S
560 /* enable SM501 GPIO control (in both power modes) */
561 *(vu_long *) (SM501_MMIO_BASE+SM501_POWER_MODE0_GATE) |=
562 POWER_MODE_GATE_GPIO_PWM_I2C;
563 *(vu_long *) (SM501_MMIO_BASE+SM501_POWER_MODE1_GATE) |=
564 POWER_MODE_GATE_GPIO_PWM_I2C;
566 /* configure SM501 gpio pins 24-27 as output */
567 *(vu_long *) (SM501_MMIO_BASE+SM501_GPIO_CTRL_LOW) &= ~(0xF << 24);
568 *(vu_long *) (SM501_MMIO_BASE+SM501_GPIO_DATA_DIR_LOW) |= (0xF << 24);
570 /* configure SM501 gpio pins 48-51 as output */
571 *(vu_long *) (SM501_MMIO_BASE+SM501_GPIO_DATA_DIR_HIGH) |= (0xF << 16);
572 #endif /* !CONFIG_TQM5200S */
576 * return 1 if led number unknown
579 int do_led(char * const argv[])
581 struct mpc5xxx_gpio *gpio = (struct mpc5xxx_gpio *)MPC5XXX_GPIO;
582 struct mpc5xxx_gpt_0_7 *gpt = (struct mpc5xxx_gpt_0_7 *)MPC5XXX_GPT;
584 switch (simple_strtoul(argv[2], NULL, 10)) {
587 if (strcmp (argv[3], "on") == 0) {
588 gpio->simple_dvo |= (1 << 8);
590 gpio->simple_dvo &= ~(1 << 8);
595 if (strcmp (argv[3], "on") == 0) {
596 gpio->simple_dvo |= (1 << 9);
598 gpio->simple_dvo &= ~(1 << 9);
603 if (strcmp (argv[3], "on") == 0) {
604 gpio->simple_dvo |= (1 << 10);
606 gpio->simple_dvo &= ~(1 << 10);
611 if (strcmp (argv[3], "on") == 0) {
612 gpio->simple_dvo |= (1 << 11);
614 gpio->simple_dvo &= ~(1 << 11);
619 if (strcmp (argv[3], "on") == 0) {
620 gpt->gpt4.emsr |= (1 << 4);
622 gpt->gpt4.emsr &= ~(1 << 4);
627 if (strcmp (argv[3], "on") == 0) {
628 gpt->gpt5.emsr |= (1 << 4);
630 gpt->gpt5.emsr &= ~(1 << 4);
635 if (strcmp (argv[3], "on") == 0) {
636 gpt->gpt6.emsr |= (1 << 4);
638 gpt->gpt6.emsr &= ~(1 << 4);
643 if (strcmp (argv[3], "on") == 0) {
644 gpt->gpt7.emsr |= (1 << 4);
646 gpt->gpt7.emsr &= ~(1 << 4);
649 #ifndef CONFIG_TQM5200S
651 if (strcmp (argv[3], "on") == 0) {
652 *(vu_long *) (SM501_MMIO_BASE+SM501_GPIO_DATA_LOW) |=
655 *(vu_long *) (SM501_MMIO_BASE+SM501_GPIO_DATA_LOW) &=
661 if (strcmp (argv[3], "on") == 0) {
662 *(vu_long *) (SM501_MMIO_BASE+SM501_GPIO_DATA_LOW) |=
665 *(vu_long *) (SM501_MMIO_BASE+SM501_GPIO_DATA_LOW) &=
671 if (strcmp (argv[3], "on") == 0) {
672 *(vu_long *) (SM501_MMIO_BASE+SM501_GPIO_DATA_LOW) |=
675 *(vu_long *) (SM501_MMIO_BASE+SM501_GPIO_DATA_LOW) &=
681 if (strcmp (argv[3], "on") == 0) {
682 *(vu_long *) (SM501_MMIO_BASE+SM501_GPIO_DATA_LOW) |=
685 *(vu_long *) (SM501_MMIO_BASE+SM501_GPIO_DATA_LOW) &=
691 if (strcmp (argv[3], "on") == 0) {
692 *(vu_long *) (SM501_MMIO_BASE+SM501_GPIO_DATA_HIGH) |=
695 *(vu_long *) (SM501_MMIO_BASE+SM501_GPIO_DATA_HIGH) &=
701 if (strcmp (argv[3], "on") == 0) {
702 *(vu_long *) (SM501_MMIO_BASE+SM501_GPIO_DATA_HIGH) |=
705 *(vu_long *) (SM501_MMIO_BASE+SM501_GPIO_DATA_HIGH) &=
711 if (strcmp (argv[3], "on") == 0) {
712 *(vu_long *) (SM501_MMIO_BASE+SM501_GPIO_DATA_HIGH) |=
715 *(vu_long *) (SM501_MMIO_BASE+SM501_GPIO_DATA_HIGH) &=
721 if (strcmp (argv[3], "on") == 0) {
722 *(vu_long *) (SM501_MMIO_BASE+SM501_GPIO_DATA_HIGH) |=
725 *(vu_long *) (SM501_MMIO_BASE+SM501_GPIO_DATA_HIGH) &=
729 #endif /* !CONFIG_TQM5200S */
731 printf ("%s: invalid led number %s\n", __FUNCTION__, argv[2]);
739 #if defined(CONFIG_STK52XX) || defined(CONFIG_FO300)
741 * return 1 on CAN initialization failure
742 * return 0 if no failure
746 static int init_done = 0;
748 struct mpc5xxx_mscan *can1 =
749 (struct mpc5xxx_mscan *)(CONFIG_SYS_MBAR + 0x0900);
750 struct mpc5xxx_mscan *can2 =
751 (struct mpc5xxx_mscan *)(CONFIG_SYS_MBAR + 0x0980);
753 /* GPIO configuration of the CAN pins is done in TQM5200.h */
757 can1->canctl1 |= 0x80; /* CAN enable */
761 can1->canctl0 |= 0x02; /* sleep mode */
762 /* wait until sleep mode reached */
763 while (!(can1->canctl1 & 0x02)) {
767 printf ("%s: CAN1 initialize error, "
768 "can not enter sleep mode!\n",
774 can1->canctl0 = 0x01; /* enter init mode */
775 /* wait until init mode reached */
776 while (!(can1->canctl1 & 0x01)) {
780 printf ("%s: CAN1 initialize error, "
781 "can not enter init mode!\n",
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;
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)) {
812 printf ("%s: CAN1 initialize error, "
813 "can not leave init/sleep mode!\n",
820 can2->canctl1 |= 0x80; /* CAN enable */
824 can2->canctl0 |= 0x02; /* sleep mode */
825 /* wait until sleep mode reached */
826 while (!(can2->canctl1 & 0x02)) {
830 printf ("%s: CAN2 initialize error, "
831 "can not enter sleep mode!\n",
837 can2->canctl0 = 0x01; /* enter init mode */
838 /* wait until init mode reached */
839 while (!(can2->canctl1 & 0x01)) {
843 printf ("%s: CAN2 initialize error, "
844 "can not enter init mode!\n",
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);
870 /* wait until init mode left */
871 while ((can2->canctl1 & 0x01) || (can2->canctl1 & 0x02)) {
875 printf ("%s: CAN2 initialize error, "
876 "can not leave init/sleep mode!\n",
887 * return 1 on CAN failure
888 * return 0 if no failure
890 int do_can(char * const argv[])
893 struct mpc5xxx_mscan *can1 =
894 (struct mpc5xxx_mscan *)(CONFIG_SYS_MBAR + 0x0900);
895 struct mpc5xxx_mscan *can2 =
896 (struct mpc5xxx_mscan *)(CONFIG_SYS_MBAR + 0x0980);
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;
910 while ((can1->cantflg & 0x01) == 0) {
913 printf ("%s: CAN1 send timeout, "
914 "can not send message!\n",
923 while (!(can2->canrflg & 0x01)) {
926 printf ("%s: CAN2 receive timeout, "
927 "no message received!\n",
934 if (can2->canrxfg.dsr[0] != 0xCC) {
935 printf ("%s: CAN2 receive error, "
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;
953 while ((can2->cantflg & 0x01) == 0) {
956 printf ("%s: CAN2 send error, "
957 "can not send message!\n",
966 while (!(can1->canrflg & 0x01)) {
969 printf ("%s: CAN1 receive timeout, "
970 "no message received!\n",
977 if (can1->canrxfg.dsr[0] != 0xCC) {
978 printf ("%s: CAN1 receive error 0x%02x\n",
979 __FUNCTION__, (can1->canrxfg.dsr[0]));
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
992 int do_rs232(char * const argv[])
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;
998 switch (simple_strtoul(argv[2], NULL, 10)) {
1001 /* check RTS <-> CTS loop */
1005 /* wait some time before requesting status */
1008 /* check status at cts */
1009 if ((psc1->ip & 0x01) != 0) {
1011 printf ("%s: failure at rs232_1, cts status is %d "
1013 __FUNCTION__, (psc1->ip & 0x01));
1019 /* wait some time before requesting status */
1022 /* check status at cts */
1023 if ((psc1->ip & 0x01) != 1) {
1025 printf ("%s: failure at rs232_1, cts status is %d "
1027 __FUNCTION__, (psc1->ip & 0x01));
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;
1037 /* check TXD <-> RXD loop */
1039 gpio->simple_dvo |= (1 << 8);
1041 /* wait some time before requesting status */
1044 if ((gpio->simple_ival & 0x00000200) != 0x00000200) {
1046 printf ("%s: failure at rs232_2, rxd status is %d "
1049 (gpio->simple_ival & 0x00000200) >> 9);
1053 gpio->simple_dvo &= ~(1 << 8);
1055 /* wait some time before requesting status */
1058 if ((gpio->simple_ival & 0x00000200) != 0x00000000) {
1060 printf ("%s: failure at rs232_2, rxd status is %d "
1063 (gpio->simple_ival & 0x00000200) >> 9);
1066 /* check RTS <-> CTS loop */
1068 gpio->simple_dvo |= (1 << 10);
1070 /* wait some time before requesting status */
1073 if ((gpio->simple_ival & 0x00000800) != 0x00000800) {
1075 printf ("%s: failure at rs232_2, cts status is %d "
1078 (gpio->simple_ival & 0x00000800) >> 11);
1082 gpio->simple_dvo &= ~(1 << 10);
1084 /* wait some time before requesting status */
1087 if ((gpio->simple_ival & 0x00000800) != 0x00000000) {
1089 printf ("%s: failure at rs232_2, cts status is %d "
1092 (gpio->simple_ival & 0x00000800) >> 11);
1095 /* set PSC3_0, PSC3_1, PSC3_2 and PSC3_3 as output */
1096 gpio->simple_ddr &= ~(0x00000F00);
1097 gpio->simple_ddr |= 0x00000F00;
1101 printf ("%s: invalid rs232 number %s\n", __FUNCTION__, argv[2]);
1106 return error_status;
1109 #if !defined(CONFIG_FO300) && !defined(CONFIG_TQM5200S)
1110 static void sm501_backlight (unsigned int state)
1112 if (state == BL_ON) {
1113 *(vu_long *)(SM501_MMIO_BASE+SM501_PANEL_DISPLAY_CONTROL) |=
1114 (1 << 26) | (1 << 27);
1115 } else if (state == BL_OFF)
1116 *(vu_long *)(SM501_MMIO_BASE+SM501_PANEL_DISPLAY_CONTROL) &=
1117 ~((1 << 26) | (1 << 27));
1119 #endif /* !CONFIG_FO300 & !CONFIG_TQM5200S */
1121 int cmd_fkt(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
1125 #ifdef CONFIG_STK52XX_REV100
1126 printf ("Revision 100 of STK52XX not supported!\n");
1129 #if defined(CONFIG_STK52XX)
1141 if (strncmp (argv[1], "can", 3) == 0) {
1142 rcode = do_can (argv);
1152 if (strncmp (argv[1], "rs232", 3) == 0) {
1153 rcode = do_rs232 (argv);
1159 #if !defined(CONFIG_FO300) && !defined(CONFIG_TQM5200S)
1160 } else if (strncmp (argv[1], "backlight", 4) == 0) {
1161 if (strncmp (argv[2], "on", 2) == 0) {
1162 sm501_backlight (BL_ON);
1165 else if (strncmp (argv[2], "off", 3) == 0) {
1166 sm501_backlight (BL_OFF);
1169 #endif /* !CONFIG_FO300 & !CONFIG_TQM5200S */
1173 #if defined(CONFIG_STK52XX)
1175 if (strcmp (argv[1], "led") == 0) {
1176 return (do_led (argv));
1185 printf ("Usage:\nfkt cmd [arg1] [arg2] ...\n");
1191 sound , 5, 1, cmd_sound,
1193 "saw [duration] [freq] [channel]\n"
1194 " - generate sawtooth for 'duration' ms with frequency 'freq'\n"
1195 " on left \"l\" or right \"r\" channel\n"
1196 "sound square [duration] [freq] [channel]\n"
1197 " - generate squarewave for 'duration' ms with frequency 'freq'\n"
1198 " on left \"l\" or right \"r\" channel\n"
1203 wav , 3, 1, cmd_wav,
1206 " - play wav file at address 'addr' with length 'bytes'"
1210 beep , 2, 1, cmd_beep,
1213 " - play short beep on \"l\"eft or \"r\"ight channel"
1215 #endif /* CONFIG_STK52XX || CONFIG_FO300 */
1217 #if defined(CONFIG_STK52XX)
1219 fkt , 4, 1, cmd_fkt,
1220 "Function test routines",
1221 "led number on/off\n"
1222 " - 'number's like printed on STK52XX board\n"
1224 " - loopback plug for X83 required\n"
1225 "fkt rs232 number\n"
1226 " - loopback plug(s) for X2 required"
1227 #ifndef CONFIG_TQM5200S
1229 "fkt backlight on/off\n"
1230 " - switch backlight on or off"
1231 #endif /* !CONFIG_TQM5200S */
1233 #elif defined(CONFIG_FO300)
1235 fkt , 3, 1, cmd_fkt,
1236 "Function test routines",
1238 " - loopback plug for X16/X29 required\n"
1239 "fkt rs232 number\n"
1240 " - loopback plug(s) for X21/X22 required"