u-boot/board/atmel/at91rm9200dk/mux.c

38 lines
982 B
C
Raw Normal View History

2007-08-14 09:14:05 +00:00
#include <config.h>
#include <common.h>
#include <asm/hardware.h>
#include <dataflash.h>
int AT91F_GetMuxStatus(void) {
#ifdef DATAFLASH_MMC_SELECT
AT91C_BASE_PIOB->PIO_PER = DATAFLASH_MMC_SELECT; /* Set in PIO mode */
AT91C_BASE_PIOB->PIO_OER = DATAFLASH_MMC_SELECT; /* Configure in output */
if(AT91C_BASE_PIOB->PIO_ODSR & DATAFLASH_MMC_SELECT) {
return 1;
} else {
return 0;
}
#endif
return 0;
}
void AT91F_SelectMMC(void) {
#ifdef DATAFLASH_MMC_SELECT
AT91C_BASE_PIOB->PIO_PER = DATAFLASH_MMC_SELECT; /* Set in PIO mode */
AT91C_BASE_PIOB->PIO_OER = DATAFLASH_MMC_SELECT; /* Configure in output */
/* Set Output */
AT91C_BASE_PIOB->PIO_SODR = DATAFLASH_MMC_SELECT;
#endif
2007-08-14 09:14:05 +00:00
}
void AT91F_SelectSPI(void) {
#ifdef DATAFLASH_MMC_SELECT
AT91C_BASE_PIOB->PIO_PER = DATAFLASH_MMC_SELECT; /* Set in PIO mode */
AT91C_BASE_PIOB->PIO_OER = DATAFLASH_MMC_SELECT; /* Configure in output */
/* Clear Output */
AT91C_BASE_PIOB->PIO_CODR = DATAFLASH_MMC_SELECT;
#endif
2007-08-14 09:14:05 +00:00
}