* (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
+ * SPDX-License-Identifier: GPL-2.0+
*/
/*
#include <common.h>
#include <command.h>
+#include <console.h>
#if defined(CONFIG_CMD_BSP)
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 */
- {
+ while (!(spi->sr & 0x80)) {
+ if (spi->sr & 0x40) { /* if write collision occurred */
+ int dummy;
+
/* do dummy read to clear status register */
dummy = spi->dr;
- printf ("SPI write collision\n");
+ printf("SPI write collision: dr=0x%x\n", dummy);
return -1;
}
}
psc->ccr = 0x1F03; /* 16 bit data width; 5.617MHz MCLK */
psc->ctur = 0x0F; /* 16 bit frame width */
- for(i=0;i<128;i++)
- {
+ 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 = (uchar *)addr + 44; /* quick'n dirty: skip
* wav header*/
- unsigned char swapped[4];
struct mpc5xxx_psc *psc = (struct mpc5xxx_psc*)MPC5XXX_PSC2;
/*
psc->command = (PSC_RX_ENABLE | PSC_TX_ENABLE);
for(i = 0;i < (len / 4); i++) {
+ unsigned char swapped[4];
+ unsigned long *p = (unsigned long*)swapped;
+
swapped[3] = *wave_file++;
swapped[2] = *wave_file++;
swapped[1] = *wave_file++;
swapped[0] = *wave_file++;
- psc->psc_buffer_32 = *((unsigned long*)swapped);
+
+ psc->psc_buffer_32 = *p;
+
while (psc->tfnum > 400) {
if(ctrlc())
return 0;