+/*
+ * (C) Copyright 2005
+ * Martin Krause, TQ-Systems GmbH, martin.krause@tqs.de.
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+/*
+ * SKT52XX specific functions
+ */
+/*#define DEBUG*/
+
+#include <common.h>
+#include <command.h>
+
+#if (CONFIG_COMMANDS & CFG_CMD_BSP)
+
+#define DEFAULT_VOL 45
+#define DEFAULT_FREQ 500
+#define DEFAULT_DURATION 200
+#define LEFT 1
+#define RIGHT 2
+#define LEFT_RIGHT 3
+#define BL_OFF 0
+#define BL_ON 1
+
+#define SM501_GPIO_CTRL_LOW 0x00000008UL
+#define SM501_GPIO_CTRL_HIGH 0x0000000CUL
+#define SM501_POWER_MODE0_GATE 0x00000040UL
+#define SM501_POWER_MODE1_GATE 0x00000048UL
+#define POWER_MODE_GATE_GPIO_PWM_I2C 0x00000040UL
+#define SM501_GPIO_DATA_LOW 0x00010000UL
+#define SM501_GPIO_DATA_HIGH 0x00010004UL
+#define SM501_GPIO_DATA_DIR_LOW 0x00010008UL
+#define SM501_GPIO_DATA_DIR_HIGH 0x0001000CUL
+#define SM501_PANEL_DISPLAY_CONTROL 0x00080000UL
+
+static int i2s_squarewave(unsigned long duration, unsigned int freq,
+ unsigned int channel);
+static int i2s_sawtooth(unsigned long duration, unsigned int freq,
+ unsigned int channel);
+static void spi_init(void);
+static int spi_transmit(unsigned char data);
+static void pcm1772_write_reg(unsigned char addr, unsigned char data);
+static void set_attenuation(unsigned char attenuation);
+
+#ifdef CONFIG_STK52XX
+static void spi_init(void)
+{
+ struct mpc5xxx_spi *spi = (struct mpc5xxx_spi*)MPC5XXX_SPI;
+ struct mpc5xxx_gpio *gpio = (struct mpc5xxx_gpio*)MPC5XXX_GPIO;
+
+ /* PSC3 as SPI and GPIOs */
+ gpio->port_config &= 0xFFFFF0FF;
+ gpio->port_config |= 0x00000800;
+ /*
+ * Its important to use the correct order when initializing the
+ * registers
+ */
+ spi->ddr = 0x0F; /* set all SPI pins as output */
+ spi->pdr = 0x08; /* set SS high */
+ spi->cr1 = 0x50; /* SPI is master, SS is general purpose output */
+ spi->cr2 = 0x00; /* normal operation */
+ spi->brr = 0xFF; /* baud rate: IPB clock / 2048 */
+}
+
+static int spi_transmit(unsigned char data)
+{
+ int dummy;
+ struct mpc5xxx_spi *spi = (struct mpc5xxx_spi*)MPC5XXX_SPI;
+
+ spi->dr = data;
+ /* wait for SPI transmission completed */
+ while(!(spi->sr & 0x80))
+ {
+ if (spi->sr & 0x40) /* if write collision occured */
+ {
+ /* do dummy read to clear status register */
+ dummy = spi->dr;
+ printf ("SPI write collision\n");
+ return -1;
+ }
+ }
+ return (spi->dr);
+}
+
+static void pcm1772_write_reg(unsigned char addr, unsigned char data)
+{
+ struct mpc5xxx_spi *spi = (struct mpc5xxx_spi*)MPC5XXX_SPI;
+
+ spi->pdr = 0x00; /* Set SS low */
+ spi_transmit(addr);
+ spi_transmit(data);
+ /* wait some time to meet MS# hold time of PCM1772 */
+ udelay (1);
+ spi->pdr = 0x08; /* set SS high */
+}
+
+static void set_attenuation(unsigned char attenuation)
+{
+ pcm1772_write_reg(0x01, attenuation); /* left channel */
+ debug ("PCM1772 attenuation left set to %d.\n", attenuation);
+ pcm1772_write_reg(0x02, attenuation); /* right channel */
+ debug ("PCM1772 attenuation right set to %d.\n", attenuation);
+}
+
+void amplifier_init(void)
+{
+ static int init_done = 0;
+ int i;
+ struct mpc5xxx_gpio *gpio = (struct mpc5xxx_gpio*)MPC5XXX_GPIO;
+
+ /* Do this only once, because of the long time delay */
+ if (!init_done) {
+ /* configure PCM1772 audio format as I2S */
+ pcm1772_write_reg(0x03, 0x01);
+ /* enable audio amplifier */
+ gpio->sint_gpioe |= 0x02; /* PSC3_5 as GPIO */
+ gpio->sint_ode &= ~0x02; /* PSC3_5 is not open Drain */
+ gpio->sint_dvo &= ~0x02; /* PSC3_5 is LOW */
+ gpio->sint_ddr |= 0x02; /* PSC3_5 as output */
+ /*
+ * wait some time to allow amplifier to recover from shutdown
+ * mode.
+ */
+ for(i = 0; i < 350; i++)
+ udelay(1000);
+ /*
+ * The used amplifier (LM4867) has a so called "pop and click"
+ * elmination filter. The input signal of the amplifier must
+ * exceed a certain level once after power up to activate the
+ * generation of the output signal. This is achieved by
+ * sending a low frequent (nearly inaudible) sawtooth with a
+ * sufficient signal level.
+ */
+ set_attenuation(50);
+ i2s_sawtooth (200, 5, LEFT_RIGHT);
+ init_done = 1;
+ }
+}
+
+static void i2s_init(void)
+{
+ unsigned long i;
+ struct mpc5xxx_psc *psc = (struct mpc5xxx_psc*)MPC5XXX_PSC2;;
+ struct mpc5xxx_gpio *gpio = (struct mpc5xxx_gpio*)MPC5XXX_GPIO;
+
+ gpio->port_config |= 0x00000070; /* PSC2 ports as Codec with MCLK */
+ psc->command = (PSC_RX_DISABLE | PSC_TX_DISABLE);
+ psc->sicr = 0x22E00000; /* 16 bit data; I2S */
+
+ *(vu_long *)(CFG_MBAR + 0x22C) = 0x805d; /* PSC2 CDM MCLK config; MCLK
+ * 5.617 MHz */
+ *(vu_long *)(CFG_MBAR + 0x214) |= 0x00000040; /* CDM clock enable
+ * register */
+ psc->ccr = 0x1F03; /* 16 bit data width; 5.617MHz MCLK */
+ psc->ctur = 0x0F; /* 16 bit frame width */
+
+ for(i=0;i<128;i++)
+ {
+ psc->psc_buffer_32 = 0; /* clear tx fifo */
+ }
+}
+
+static int i2s_play_wave(unsigned long addr, unsigned long len)
+{
+ unsigned long i;
+ unsigned char *wave_file = (char *)addr + 44; /* quick'n dirty: skip
+ * wav header*/
+ unsigned char swapped[4];
+ struct mpc5xxx_psc *psc = (struct mpc5xxx_psc*)MPC5XXX_PSC2;
+
+ /*
+ * play wave file in memory; bytes/words are be swapped
+ */
+ psc->command = (PSC_RX_ENABLE | PSC_TX_ENABLE);
+
+ for(i = 0;i < (len / 4); i++) {
+ swapped[3]=*wave_file++;
+ swapped[2]=*wave_file++;
+ swapped[1]=*wave_file++;
+ swapped[0]=*wave_file++;
+ psc->psc_buffer_32 = *((unsigned long*)swapped);
+ while (psc->tfnum > 400) {
+ if(ctrlc())
+ return 0;
+ }
+ }
+ while (psc->tfnum > 0); /* wait for fifo empty */
+ udelay (100);
+ psc->command = (PSC_RX_DISABLE | PSC_TX_DISABLE);
+ return 0;
+}
+
+static int i2s_sawtooth(unsigned long duration, unsigned int freq,
+ unsigned int channel)
+{
+ long i,j;
+ unsigned long data;
+ struct mpc5xxx_psc *psc = (struct mpc5xxx_psc*)MPC5XXX_PSC2;
+
+ psc->command = (PSC_RX_ENABLE | PSC_TX_ENABLE);
+
+ /*
+ * Generate sawtooth. Start with middle level up to highest level. Then
+ * go to lowest level and back to middle level.
+ */
+ for(j = 0; j < ((duration * freq) / 1000); j++) {
+ for(i = 0; i <= 0x7FFF; i += (0x7FFF/(44100/(freq*4)))) {
+ data = (i & 0xFFFF);
+ /* data format: right data left data) */
+ if (channel == LEFT_RIGHT)
+ data |= (data<<16);
+ if (channel == RIGHT)
+ data = (data<<16);
+ psc->psc_buffer_32 = data;
+ while (psc->tfnum > 400);
+ }
+ for(i = 0x7FFF; i >= -0x7FFF; i -= (0xFFFF/(44100/(freq*2)))) {
+ data = (i & 0xFFFF);
+ /* data format: right data left data) */
+ if (channel == LEFT_RIGHT)
+ data |= (data<<16);
+ if (channel == RIGHT)
+ data = (data<<16);
+ psc->psc_buffer_32 = data;
+ while (psc->tfnum > 400);
+ }
+ for(i = -0x7FFF; i <= 0; i += (0x7FFF/(44100/(freq*4)))) {
+ data = (i & 0xFFFF);
+ /* data format: right data left data) */
+ if (channel == LEFT_RIGHT)
+ data |= (data<<16);
+ if (channel == RIGHT)
+ data = (data<<16);
+ psc->psc_buffer_32 = data;
+ while (psc->tfnum > 400);
+ }
+ }
+ while (psc->tfnum > 0); /* wait for fifo empty */
+ udelay (100);
+ psc->command = (PSC_RX_DISABLE | PSC_TX_DISABLE);
+
+ return 0;
+}
+
+static int i2s_squarewave(unsigned long duration, unsigned int freq,
+ unsigned int channel)
+{
+ long i,j;
+ unsigned long data;
+ struct mpc5xxx_psc *psc = (struct mpc5xxx_psc*)MPC5XXX_PSC2;
+
+ psc->command = (PSC_RX_ENABLE | PSC_TX_ENABLE);
+
+ /*
+ * Generate sqarewave. Start with high level, duty cycle 1:1.
+ */
+ for(j = 0; j < ((duration * freq) / 1000); j++) {
+ for(i = 0; i < (44100/(freq*2)); i ++) {
+ data = 0x7FFF;
+ /* data format: right data left data) */
+ if (channel == LEFT_RIGHT)
+ data |= (data<<16);
+ if (channel == RIGHT)
+ data = (data<<16);
+ psc->psc_buffer_32 = data;
+ while (psc->tfnum > 400);
+ }
+ for(i = 0; i < (44100/(freq*2)); i ++) {
+ data = 0x8000;
+ /* data format: right data left data) */
+ if (channel == LEFT_RIGHT)
+ data |= (data<<16);
+ if (channel == RIGHT)
+ data = (data<<16);
+ psc->psc_buffer_32 = data;
+ while (psc->tfnum > 400);
+ }
+ }
+ while (psc->tfnum > 0); /* wait for fifo empty */
+ udelay (100);
+ psc->command = (PSC_RX_DISABLE | PSC_TX_DISABLE);
+
+ return 0;
+}
+
+static int cmd_sound(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
+{
+ unsigned long reg, val, duration;
+ unsigned char *tmp;
+ unsigned int freq, channel;
+ unsigned char volume;
+ int rcode = 1;
+
+#ifdef CONFIG_STK52XX_REV100
+ printf ("Revision 100 of STK52XX not supported!\n");
+ return 1;
+#endif
+ spi_init();
+ i2s_init();
+ amplifier_init();
+
+ if ((tmp = getenv ("volume")) != NULL) {
+ volume = simple_strtoul (tmp, NULL, 10);
+ } else {
+ volume = DEFAULT_VOL;
+ }
+ set_attenuation(volume);
+
+ switch (argc) {
+ case 0:
+ case 1:
+ printf ("Usage:\n%s\n", cmdtp->usage);
+ return 1;
+ case 2:
+ if (strncmp(argv[1],"saw",3) == 0) {
+ printf ("Play sawtooth\n");
+ rcode = i2s_sawtooth (DEFAULT_DURATION, DEFAULT_FREQ,
+ LEFT_RIGHT);
+ return rcode;
+ } else if (strncmp(argv[1],"squ",3) == 0) {
+ printf ("Play squarewave\n");
+ rcode = i2s_squarewave (DEFAULT_DURATION, DEFAULT_FREQ,
+ LEFT_RIGHT);
+ return rcode;
+ }
+
+ printf ("Usage:\n%s\n", cmdtp->usage);
+ return 1;
+ case 3:
+ if (strncmp(argv[1],"saw",3) == 0) {
+ duration = simple_strtoul(argv[2], NULL, 10);
+ printf ("Play sawtooth\n");
+ rcode = i2s_sawtooth (duration, DEFAULT_FREQ,
+ LEFT_RIGHT);
+ return rcode;
+ } else if (strncmp(argv[1],"squ",3) == 0) {
+ duration = simple_strtoul(argv[2], NULL, 10);
+ printf ("Play squarewave\n");
+ rcode = i2s_squarewave (duration, DEFAULT_FREQ,
+ LEFT_RIGHT);
+ return rcode;
+ }
+ printf ("Usage:\n%s\n", cmdtp->usage);
+ return 1;
+ case 4:
+ if (strncmp(argv[1],"saw",3) == 0) {
+ duration = simple_strtoul(argv[2], NULL, 10);
+ freq = (unsigned int)simple_strtoul(argv[3], NULL, 10);
+ printf ("Play sawtooth\n");
+ rcode = i2s_sawtooth (duration, freq,
+ LEFT_RIGHT);
+ return rcode;
+ } else if (strncmp(argv[1],"squ",3) == 0) {
+ duration = simple_strtoul(argv[2], NULL, 10);
+ freq = (unsigned int)simple_strtoul(argv[3], NULL, 10);
+ printf ("Play squarewave\n");
+ rcode = i2s_squarewave (duration, freq,
+ LEFT_RIGHT);
+ return rcode;
+ } else if (strcmp(argv[1],"pcm1772") == 0) {
+ reg = simple_strtoul(argv[2], NULL, 10);
+ val = simple_strtoul(argv[3], NULL, 10);
+ printf("Set PCM1772 %lu. %lu\n", reg, val);
+ pcm1772_write_reg((uchar)reg, (uchar)val);
+ return 0;
+ }
+ printf ("Usage:\n%s\n", cmdtp->usage);
+ return 1;
+ case 5:
+ if (strncmp(argv[1],"saw",3) == 0) {
+ duration = simple_strtoul(argv[2], NULL, 10);
+ freq = (unsigned int)simple_strtoul(argv[3], NULL, 10);
+ if (strncmp(argv[4],"l",1) == 0)
+ channel = LEFT;
+ else if (strncmp(argv[4],"r",1) == 0)
+ channel = RIGHT;
+ else
+ channel = LEFT_RIGHT;
+ printf ("Play squarewave\n");
+ rcode = i2s_sawtooth (duration, freq,
+ channel);
+ return rcode;
+ } else if (strncmp(argv[1],"squ",3) == 0) {
+ duration = simple_strtoul(argv[2], NULL, 10);
+ freq = (unsigned int)simple_strtoul(argv[3], NULL, 10);
+ if (strncmp(argv[4],"l",1) == 0)
+ channel = LEFT;
+ else if (strncmp(argv[4],"r",1) == 0)
+ channel = RIGHT;
+ else
+ channel = LEFT_RIGHT;
+ printf ("Play squarewave\n");
+ rcode = i2s_squarewave (duration, freq,
+ channel);
+ return rcode;
+ }
+ printf ("Usage:\n%s\n", cmdtp->usage);
+ return 1;
+ }
+ printf ("Usage:\nsound cmd [arg1] [arg2] ...\n");
+ return 1;
+}
+
+static int cmd_wav(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
+{
+ unsigned long length, addr;
+ unsigned char volume;
+ int rcode = 1;
+ char *tmp;
+
+#ifdef CONFIG_STK52XX_REV100
+ printf ("Revision 100 of STK52XX not supported!\n");
+ return 1;
+#endif
+ spi_init();
+ i2s_init();
+ amplifier_init();
+
+ switch (argc) {
+
+ case 3:
+ length = simple_strtoul(argv[2], NULL, 16);
+ addr = simple_strtoul(argv[1], NULL, 16);
+ break;
+
+ case 2:
+ if ((tmp = getenv ("filesize")) != NULL) {
+ length = simple_strtoul (tmp, NULL, 16);
+ } else {
+ puts ("No filesize provided\n");
+ return 1;
+ }
+ addr = simple_strtoul(argv[1], NULL, 16);
+
+ case 1:
+ if ((tmp = getenv ("filesize")) != NULL) {
+ length = simple_strtoul (tmp, NULL, 16);
+ } else {
+ puts ("No filesize provided\n");
+ return 1;
+ }
+ if ((tmp = getenv ("loadaddr")) != NULL) {
+ addr = simple_strtoul (tmp, NULL, 16);
+ } else {
+ puts ("No loadaddr provided\n");
+ return 1;
+ }
+ break;
+
+ default:
+ printf("Usage:\nwav <addr> <length[s]\n");
+ return 1;
+ break;
+ }
+
+ if ((tmp = getenv ("volume")) != NULL) {
+ volume = simple_strtoul (tmp, NULL, 10);
+ } else {
+ volume = DEFAULT_VOL;
+ }
+ set_attenuation(volume);
+
+ printf("Play wave file at %#p with length %#x\n", addr, length);
+ rcode = i2s_play_wave(addr, length);
+
+ return rcode;
+}
+
+static int cmd_beep(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
+{
+ unsigned char volume;
+ unsigned int channel;
+ int rcode;
+ char *tmp;
+
+#ifdef CONFIG_STK52XX_REV100
+ printf ("Revision 100 of STK52XX not supported!\n");
+ return 1;
+#endif
+ spi_init();
+ i2s_init();
+ amplifier_init();
+
+ switch (argc) {
+ case 0:
+ case 1:
+ channel = LEFT_RIGHT;
+ break;
+ case 2:
+ if (strncmp(argv[1],"l",1) == 0)
+ channel = LEFT;
+ else if (strncmp(argv[1],"r",1) == 0)
+ channel = RIGHT;
+ else
+ channel = LEFT_RIGHT;
+ break;
+ default:
+ printf ("Usage:\n%s\n", cmdtp->usage);
+ return 1;
+ }
+
+ if ((tmp = getenv ("volume")) != NULL) {
+ volume = simple_strtoul (tmp, NULL, 10);
+ } else {
+ volume = DEFAULT_VOL;
+ }
+ set_attenuation(volume);
+
+ printf("Beep on ");
+ if (channel == LEFT)
+ printf ("left ");
+ else if (channel == RIGHT)
+ printf ("right ");
+ else
+ printf ("left and right ");
+ printf ("channel\n");
+
+ rcode = i2s_squarewave (DEFAULT_DURATION, DEFAULT_FREQ, channel);
+
+ return rcode;
+}
+
+void led_init(void)
+{
+ struct mpc5xxx_gpio *gpio = (struct mpc5xxx_gpio *)MPC5XXX_GPIO;
+ struct mpc5xxx_gpt_0_7 *gpt = (struct mpc5xxx_gpt_0_7 *)MPC5XXX_GPT;
+
+ /* configure PSC3 for SPI and GPIO */
+ gpio->port_config &= ~(0x00000F00);
+ gpio->port_config |= 0x00000800;
+
+ gpio->simple_gpioe &= ~(0x00000F00);
+ gpio->simple_gpioe |= 0x00000F00;
+
+ gpio->simple_ddr &= ~(0x00000F00);
+ gpio->simple_ddr |= 0x00000F00;
+
+ /* configure timer 4-7 for simple GPIO output */
+ gpt->gpt4.emsr |= 0x00000024;
+ gpt->gpt5.emsr |= 0x00000024;
+ gpt->gpt6.emsr |= 0x00000024;
+ gpt->gpt7.emsr |= 0x00000024;
+
+
+ /* enable SM501 GPIO control (in both power modes) */
+ *(vu_long *) (SM501_MMIO_BASE+SM501_POWER_MODE0_GATE) |=
+ POWER_MODE_GATE_GPIO_PWM_I2C;
+ *(vu_long *) (SM501_MMIO_BASE+SM501_POWER_MODE1_GATE) |=
+ POWER_MODE_GATE_GPIO_PWM_I2C;
+
+ /* configure SM501 gpio pins 24-27 as output */
+ *(vu_long *) (SM501_MMIO_BASE+SM501_GPIO_CTRL_LOW) &= ~(0xF << 24);
+ *(vu_long *) (SM501_MMIO_BASE+SM501_GPIO_DATA_DIR_LOW) |= (0xF << 24);
+
+ /* configure SM501 gpio pins 48-51 as output */
+ *(vu_long *) (SM501_MMIO_BASE+SM501_GPIO_DATA_DIR_HIGH) |= (0xF << 16);
+}
+
+/*
+ * return 1 if led number unknown
+ * return 0 else
+ */
+int do_led(char *argv[])
+{
+ struct mpc5xxx_gpio *gpio = (struct mpc5xxx_gpio *)MPC5XXX_GPIO;
+ struct mpc5xxx_gpt_0_7 *gpt = (struct mpc5xxx_gpt_0_7 *)MPC5XXX_GPT;
+
+ switch (simple_strtoul(argv[2], NULL, 10)) {
+
+ case 0:
+ if (strcmp (argv[3], "on") == 0) {
+ gpio->simple_dvo |= (1 << 8);
+ } else {
+ gpio->simple_dvo &= ~(1 << 8);
+ }
+ break;
+
+ case 1:
+ if (strcmp (argv[3], "on") == 0) {
+ gpio->simple_dvo |= (1 << 9);
+ } else {
+ gpio->simple_dvo &= ~(1 << 9);
+ }
+ break;
+
+ case 2:
+ if (strcmp (argv[3], "on") == 0) {
+ gpio->simple_dvo |= (1 << 10);
+ } else {
+ gpio->simple_dvo &= ~(1 << 10);
+ }
+ break;
+
+ case 3:
+ if (strcmp (argv[3], "on") == 0) {
+ gpio->simple_dvo |= (1 << 11);
+ } else {
+ gpio->simple_dvo &= ~(1 << 11);
+ }
+ break;
+
+ case 4:
+ if (strcmp (argv[3], "on") == 0) {
+ gpt->gpt4.emsr |= (1 << 4);
+ } else {
+ gpt->gpt4.emsr &= ~(1 << 4);
+ }
+ break;
+
+ case 5:
+ if (strcmp (argv[3], "on") == 0) {
+ gpt->gpt5.emsr |= (1 << 4);
+ } else {
+ gpt->gpt5.emsr &= ~(1 << 4);
+ }
+ break;
+
+ case 6:
+ if (strcmp (argv[3], "on") == 0) {
+ gpt->gpt6.emsr |= (1 << 4);
+ } else {
+ gpt->gpt6.emsr &= ~(1 << 4);
+ }
+ break;
+
+ case 7:
+ if (strcmp (argv[3], "on") == 0) {
+ gpt->gpt7.emsr |= (1 << 4);
+ } else {
+ gpt->gpt7.emsr &= ~(1 << 4);
+ }
+ break;
+
+ case 24:
+ if (strcmp (argv[3], "on") == 0) {
+ *(vu_long *) (SM501_MMIO_BASE+SM501_GPIO_DATA_LOW) |=
+ (0x1 << 24);
+ } else {
+ *(vu_long *) (SM501_MMIO_BASE+SM501_GPIO_DATA_LOW) &=
+ ~(0x1 << 24);
+ }
+ break;
+
+ case 25:
+ if (strcmp (argv[3], "on") == 0) {
+ *(vu_long *) (SM501_MMIO_BASE+SM501_GPIO_DATA_LOW) |=
+ (0x1 << 25);
+ } else {
+ *(vu_long *) (SM501_MMIO_BASE+SM501_GPIO_DATA_LOW) &=
+ ~(0x1 << 25);
+ }
+ break;
+
+ case 26:
+ if (strcmp (argv[3], "on") == 0) {
+ *(vu_long *) (SM501_MMIO_BASE+SM501_GPIO_DATA_LOW) |=
+ (0x1 << 26);
+ } else {
+ *(vu_long *) (SM501_MMIO_BASE+SM501_GPIO_DATA_LOW) &=
+ ~(0x1 << 26);
+ }
+ break;
+
+ case 27:
+ if (strcmp (argv[3], "on") == 0) {
+ *(vu_long *) (SM501_MMIO_BASE+SM501_GPIO_DATA_LOW) |=
+ (0x1 << 27);
+ } else {
+ *(vu_long *) (SM501_MMIO_BASE+SM501_GPIO_DATA_LOW) &=
+ ~(0x1 << 27);
+ }
+ break;
+
+ case 48:
+ if (strcmp (argv[3], "on") == 0) {
+ *(vu_long *) (SM501_MMIO_BASE+SM501_GPIO_DATA_HIGH) |=
+ (0x1 << 16);
+ } else {
+ *(vu_long *) (SM501_MMIO_BASE+SM501_GPIO_DATA_HIGH) &=
+ ~(0x1 << 16);
+ }
+ break;
+
+ case 49:
+ if (strcmp (argv[3], "on") == 0) {
+ *(vu_long *) (SM501_MMIO_BASE+SM501_GPIO_DATA_HIGH) |=
+ (0x1 << 17);
+ } else {
+ *(vu_long *) (SM501_MMIO_BASE+SM501_GPIO_DATA_HIGH) &=
+ ~(0x1 << 17);
+ }
+ break;
+
+ case 50:
+ if (strcmp (argv[3], "on") == 0) {
+ *(vu_long *) (SM501_MMIO_BASE+SM501_GPIO_DATA_HIGH) |=
+ (0x1 << 18);
+ } else {
+ *(vu_long *) (SM501_MMIO_BASE+SM501_GPIO_DATA_HIGH) &=
+ ~(0x1 << 18);
+ }
+ break;
+
+ case 51:
+ if (strcmp (argv[3], "on") == 0) {
+ *(vu_long *) (SM501_MMIO_BASE+SM501_GPIO_DATA_HIGH) |=
+ (0x1 << 19);
+ } else {
+ *(vu_long *) (SM501_MMIO_BASE+SM501_GPIO_DATA_HIGH) &=
+ ~(0x1 << 19);
+ }
+ break;
+
+ default:
+ printf ("%s: invalid led number %s\n", __FUNCTION__, argv[2]);
+ return 1;
+ }
+
+ return 0;
+}
+
+/*
+ * return 1 on CAN initialization failure
+ * return 0 if no failure
+ */
+int can_init(void)
+{
+ static int init_done = 0;
+ int i;
+ struct mpc5xxx_mscan *can1 =
+ (struct mpc5xxx_mscan *)(CFG_MBAR + 0x0900);
+ struct mpc5xxx_mscan *can2 =
+ (struct mpc5xxx_mscan *)(CFG_MBAR + 0x0980);
+
+ /* GPIO configuration of the CAN pins is done in TQM5200.h */
+
+ if (!init_done) {
+ /* init CAN 1 */
+ can1->canctl1 |= 0x80; /* CAN enable */
+ udelay(100);
+
+ i = 0;
+ can1->canctl0 |= 0x02; /* sleep mode */
+ /* wait until sleep mode reached */
+ while (!(can1->canctl1 & 0x02)) {
+ udelay(10);
+ i++;
+ if (i == 10) {
+ printf ("%s: CAN1 initialize error, "
+ "can not enter sleep mode!\n",
+ __FUNCTION__);
+ return 1;
+ }
+ }
+ i = 0;
+ can1->canctl0 = 0x01; /* enter init mode */
+ /* wait until init mode reached */
+ while (!(can1->canctl1 & 0x01)) {
+ udelay(10);
+ i++;
+ if (i == 10) {
+ printf ("%s: CAN1 initialize error, "
+ "can not enter init mode!\n",
+ __FUNCTION__);
+ return 1;
+ }
+ }
+ can1->canctl1 = 0x80;
+ can1->canctl1 |= 0x40;
+ can1->canbtr0 = 0x0F;
+ can1->canbtr1 = 0x7F;
+ can1->canidac &= ~(0x30);
+ can1->canidar1 = 0x00;
+ can1->canidar3 = 0x00;
+ can1->canidar5 = 0x00;
+ can1->canidar7 = 0x00;
+ can1->canidmr0 = 0xFF;
+ can1->canidmr1 = 0xFF;
+ can1->canidmr2 = 0xFF;
+ can1->canidmr3 = 0xFF;
+ can1->canidmr4 = 0xFF;
+ can1->canidmr5 = 0xFF;
+ can1->canidmr6 = 0xFF;
+ can1->canidmr7 = 0xFF;
+
+ i = 0;
+ can1->canctl0 &= ~(0x01); /* leave init mode */
+ can1->canctl0 &= ~(0x02);
+ /* wait until init and sleep mode left */
+ while ((can1->canctl1 & 0x01) || (can1->canctl1 & 0x02)) {
+ udelay(10);
+ i++;
+ if (i == 10) {
+ printf ("%s: CAN1 initialize error, "
+ "can not leave init/sleep mode!\n",
+ __FUNCTION__);
+ return 1;
+ }
+ }
+
+ /* init CAN 2 */
+ can2->canctl1 |= 0x80; /* CAN enable */
+ udelay(100);
+
+ i = 0;
+ can2->canctl0 |= 0x02; /* sleep mode */
+ /* wait until sleep mode reached */
+ while (!(can2->canctl1 & 0x02)) {
+ udelay(10);
+ i++;
+ if (i == 10) {
+ printf ("%s: CAN2 initialize error, "
+ "can not enter sleep mode!\n",
+ __FUNCTION__);
+ return 1;
+ }
+ }
+ i = 0;
+ can2->canctl0 = 0x01; /* enter init mode */
+ /* wait until init mode reached */
+ while (!(can2->canctl1 & 0x01)) {
+ udelay(10);
+ i++;
+ if (i == 10) {
+ printf ("%s: CAN2 initialize error, "
+ "can not enter init mode!\n",
+ __FUNCTION__);
+ return 1;
+ }
+ }
+ can2->canctl1 = 0x80;
+ can2->canctl1 |= 0x40;
+ can2->canbtr0 = 0x0F;
+ can2->canbtr1 = 0x7F;
+ can2->canidac &= ~(0x30);
+ can2->canidar1 = 0x00;
+ can2->canidar3 = 0x00;
+ can2->canidar5 = 0x00;
+ can2->canidar7 = 0x00;
+ can2->canidmr0 = 0xFF;
+ can2->canidmr1 = 0xFF;
+ can2->canidmr2 = 0xFF;
+ can2->canidmr3 = 0xFF;
+ can2->canidmr4 = 0xFF;
+ can2->canidmr5 = 0xFF;
+ can2->canidmr6 = 0xFF;
+ can2->canidmr7 = 0xFF;
+ can2->canctl0 &= ~(0x01); /* leave init mode */
+ can2->canctl0 &= ~(0x02);
+
+ i = 0;
+ /* wait until init mode left */
+ while ((can2->canctl1 & 0x01) || (can2->canctl1 & 0x02)) {
+ udelay(10);
+ i++;
+ if (i == 10) {
+ printf ("%s: CAN2 initialize error, "
+ "can not leave init/sleep mode!\n",
+ __FUNCTION__);
+ return 1;
+ }
+ }
+ init_done = 1;
+ }
+ return 0;
+}
+
+/*
+ * return 1 on CAN failure
+ * return 0 if no failure
+ */
+int do_can(char *argv[])
+{
+ int i;
+ struct mpc5xxx_mscan *can1 =
+ (struct mpc5xxx_mscan *)(CFG_MBAR + 0x0900);
+ struct mpc5xxx_mscan *can2 =
+ (struct mpc5xxx_mscan *)(CFG_MBAR + 0x0980);
+
+ /* send a message on CAN1 */
+ can1->cantbsel = 0x01;
+ can1->cantxfg.idr[0] = 0x55;
+ can1->cantxfg.idr[1] = 0x00;
+ can1->cantxfg.idr[1] &= ~0x8;
+ can1->cantxfg.idr[1] &= ~0x10;
+ can1->cantxfg.dsr[0] = 0xCC;
+ can1->cantxfg.dlr = 1;
+ can1->cantxfg.tbpr = 0;
+ can1->cantflg = 0x01;
+
+ i = 0;
+ while ((can1->cantflg & 0x01) == 0) {
+ i++;
+ if (i == 10) {
+ printf ("%s: CAN1 send timeout, "
+ "can not send message!\n",
+ __FUNCTION__);
+ return 1;
+ }
+ udelay(1000);
+ }
+ udelay(1000);
+
+ i = 0;
+ while (!(can2->canrflg & 0x01)) {
+ i++;
+ if (i == 10) {
+ printf ("%s: CAN2 receive timeout, "
+ "no message received!\n",
+ __FUNCTION__);
+ return 1;
+ }
+ udelay(1000);
+ }
+
+ if (can2->canrxfg.dsr[0] != 0xCC) {
+ printf ("%s: CAN2 receive error, "
+ "data mismatch!\n",
+ __FUNCTION__);
+ return 1;
+ }
+
+ /* send a message on CAN2 */
+ can2->cantbsel = 0x01;
+ can2->cantxfg.idr[0] = 0x55;
+ can2->cantxfg.idr[1] = 0x00;
+ can2->cantxfg.idr[1] &= ~0x8;
+ can2->cantxfg.idr[1] &= ~0x10;
+ can2->cantxfg.dsr[0] = 0xCC;
+ can2->cantxfg.dlr = 1;
+ can2->cantxfg.tbpr = 0;
+ can2->cantflg = 0x01;
+
+ i = 0;
+ while ((can2->cantflg & 0x01) == 0) {
+ i++;
+ if (i == 10) {
+ printf ("%s: CAN2 send error, "
+ "can not send message!\n",
+ __FUNCTION__);
+ return 1;
+ }
+ udelay(1000);
+ }
+ udelay(1000);
+
+ i = 0;
+ while (!(can1->canrflg & 0x01)) {
+ i++;
+ if (i == 10) {
+ printf ("%s: CAN1 receive timeout, "
+ "no message received!\n",
+ __FUNCTION__);
+ return 1;
+ }
+ udelay(1000);
+ }
+
+ if (can1->canrxfg.dsr[0] != 0xCC) {
+ printf ("%s: CAN1 receive error 0x%02x\n",
+ __FUNCTION__, (can1->canrxfg.dsr[0]));
+ return 1;
+ }
+
+ return 0;
+}
+
+/*
+ * return 1 if rs232 port unknown
+ * return 2 on txd/rxd failure (only rs232 2)
+ * return 3 on rts/cts failure
+ * return 0 if no failure
+ */
+int do_rs232(char *argv[])
+{
+ int error_status = 0;
+ struct mpc5xxx_gpio *gpio = (struct mpc5xxx_gpio *)MPC5XXX_GPIO;
+ struct mpc5xxx_psc *psc1 = (struct mpc5xxx_psc *)MPC5XXX_PSC1;
+
+ switch (simple_strtoul(argv[2], NULL, 10)) {
+
+ case 1:
+ /* check RTS <-> CTS loop */
+ /* set rts to 0 */
+ psc1->op1 |= 0x01;
+
+ /* wait some time before requesting status */
+ udelay(10);
+
+ /* check status at cts */
+ if ((psc1->ip & 0x01) != 0) {
+ error_status = 3;
+ printf ("%s: failure at rs232_1, cts status is %d "
+ "(should be 0)\n",
+ __FUNCTION__, (psc1->ip & 0x01));
+ }
+
+ /* set rts to 1 */
+ psc1->op0 |= 0x01;
+
+ /* wait some time before requesting status */
+ udelay(10);
+
+ /* check status at cts */
+ if ((psc1->ip & 0x01) != 1) {
+ error_status = 3;
+ printf ("%s: failure at rs232_1, cts status is %d "
+ "(should be 1)\n",
+ __FUNCTION__, (psc1->ip & 0x01));
+ }
+
+ break;
+
+ case 2:
+ /* set PSC3_0, PSC3_2 as output and PSC3_1, PSC3_3 as input */
+ gpio->simple_ddr &= ~(0x00000F00);
+ gpio->simple_ddr |= 0x00000500;
+
+ /* check TXD <-> RXD loop */
+ /* set TXD to 1 */
+ gpio->simple_dvo |= (1 << 8);
+
+ /* wait some time before requesting status */
+ udelay(10);
+
+ if ((gpio->simple_ival & 0x00000200) != 0x00000200) {
+ error_status = 2;
+ printf ("%s: failure at rs232_2, rxd status is %d "
+ "(should be 1)\n",
+ __FUNCTION__,
+ (gpio->simple_ival & 0x00000200) >> 9);
+ }
+
+ /* set TXD to 0 */
+ gpio->simple_dvo &= ~(1 << 8);
+
+ /* wait some time before requesting status */
+ udelay(10);
+
+ if ((gpio->simple_ival & 0x00000200) != 0x00000000) {
+ error_status = 2;
+ printf ("%s: failure at rs232_2, rxd status is %d "
+ "(should be 0)\n",
+ __FUNCTION__,
+ (gpio->simple_ival & 0x00000200) >> 9);
+ }
+
+ /* check RTS <-> CTS loop */
+ /* set RTS to 1 */
+ gpio->simple_dvo |= (1 << 10);
+
+ /* wait some time before requesting status */
+ udelay(10);
+
+ if ((gpio->simple_ival & 0x00000800) != 0x00000800) {
+ error_status = 3;
+ printf ("%s: failure at rs232_2, cts status is %d "
+ "(should be 1)\n",
+ __FUNCTION__,
+ (gpio->simple_ival & 0x00000800) >> 11);
+ }
+
+ /* set RTS to 0 */
+ gpio->simple_dvo &= ~(1 << 10);
+
+ /* wait some time before requesting status */
+ udelay(10);
+
+ if ((gpio->simple_ival & 0x00000800) != 0x00000000) {
+ error_status = 3;
+ printf ("%s: failure at rs232_2, cts status is %d "
+ "(should be 0)\n",
+ __FUNCTION__,
+ (gpio->simple_ival & 0x00000800) >> 11);
+ }
+
+ /* set PSC3_0, PSC3_1, PSC3_2 and PSC3_3 as output */
+ gpio->simple_ddr &= ~(0x00000F00);
+ gpio->simple_ddr |= 0x00000F00;
+ break;
+
+ default:
+ printf ("%s: invalid rs232 number %s\n", __FUNCTION__, argv[2]);
+ error_status = 1;
+ break;
+ }
+
+ return error_status;
+}
+
+static void sm501_backlight (unsigned int state)
+{
+ if (state == BL_ON) {
+ *(vu_long *)(SM501_MMIO_BASE+SM501_PANEL_DISPLAY_CONTROL) |=
+ (1 << 26) | (1 << 27);
+ } else if (state == BL_OFF)
+ *(vu_long *)(SM501_MMIO_BASE+SM501_PANEL_DISPLAY_CONTROL) &=
+ ~((1 << 26) | (1 << 27));
+}
+
+int cmd_fkt(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
+{
+ int rcode;
+
+#ifdef CONFIG_STK52XX_REV100
+ printf ("Revision 100 of STK52XX not supported!\n");
+ return 1;
+#endif
+ led_init();
+ can_init();
+
+ switch (argc) {
+
+ case 0:
+ case 1:
+ break;
+
+ case 2:
+ if (strncmp (argv[1], "can", 3) == 0) {
+ rcode = do_can (argv);
+ if (rcode == 0)
+ printf ("OK\n");
+ else
+ printf ("Error\n");
+ return rcode;
+ }
+ break;
+
+ case 3:
+ if (strncmp (argv[1], "rs232", 3) == 0) {
+ rcode = do_rs232 (argv);
+ if (rcode == 0)
+ printf ("OK\n");
+ else
+ printf ("Error\n");
+ return rcode;
+ } else if (strncmp (argv[1], "backlight", 4) == 0) {
+ if (strncmp (argv[2], "on", 2) == 0) {
+ sm501_backlight (BL_ON);
+ return 0;
+ }
+ else if (strncmp (argv[2], "off", 3) == 0) {
+ sm501_backlight (BL_OFF);
+ return 0;
+ }
+ }
+ break;
+
+ case 4:
+ if (strcmp (argv[1], "led") == 0) {
+ return (do_led (argv));
+ }
+ break;
+
+ default:
+ break;
+ }
+
+ printf ("Usage:\nfkt cmd [arg1] [arg2] ...\n");
+ return 1;
+}
+
+
+U_BOOT_CMD(
+ sound , 5, 1, cmd_sound,
+ "sound - Sound sub-system\n",
+ "saw [duration] [freq] [channel]\n"
+ " - generate sawtooth for 'duration' ms with frequency 'freq'\n"
+ " on left \"l\" or right \"r\" channel\n"
+ "sound square [duration] [freq] [channel]\n"
+ " - generate squarewave for 'duration' ms with frequency 'freq'\n"
+ " on left \"l\" or right \"r\" channel\n"
+ "pcm1772 reg val\n"
+);
+
+U_BOOT_CMD(
+ wav , 3, 1, cmd_wav,
+ "wav - play wav file\n",
+ "[addr] [bytes]\n"
+ " - play wav file at address 'addr' with length 'bytes'\n"
+);
+
+U_BOOT_CMD(
+ beep , 2, 1, cmd_beep,
+ "beep - play short beep\n",
+ "[channel]\n"
+ " - play short beep on \"l\"eft or \"r\"ight channel\n"
+);
+
+U_BOOT_CMD(
+ fkt , 4, 1, cmd_fkt,
+ "fkt - Function test routines\n",
+ "led number on/off\n"
+ " - 'number's like printed on SKT52XX board\n"
+ "fkt can\n"
+ " - loopback plug for X83 required\n"
+ "fkt rs232 number\n"
+ " - loopback plug(s) for X2 required\n"
+ "fkt backlight on/off\n"
+ " - switch backlight on or off\n"
+);
+#endif /* CONFIG_STK52XX */
+#endif /* CFG_CMD_BSP */
projects / kernel / u-boot.git / commitdiff