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

30 lines
923 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) {
AT91C_BASE_PIOB->PIO_PER = CONFIG_SYS_DATAFLASH_MMC_PIO; /* Set in PIO mode */
AT91C_BASE_PIOB->PIO_OER = CONFIG_SYS_DATAFLASH_MMC_PIO; /* Configure in output */
2007-08-14 09:14:05 +00:00
if(AT91C_BASE_PIOB->PIO_ODSR & CONFIG_SYS_DATAFLASH_MMC_PIO)
2007-08-14 09:14:05 +00:00
return 1;
2007-08-14 09:14:05 +00:00
return 0;
}
void AT91F_SelectMMC(void) {
AT91C_BASE_PIOB->PIO_PER = CONFIG_SYS_DATAFLASH_MMC_PIO; /* Set in PIO mode */
AT91C_BASE_PIOB->PIO_OER = CONFIG_SYS_DATAFLASH_MMC_PIO; /* Configure in output */
2007-08-14 09:14:05 +00:00
/* Set Output */
AT91C_BASE_PIOB->PIO_SODR = CONFIG_SYS_DATAFLASH_MMC_PIO;
2007-08-14 09:14:05 +00:00
}
void AT91F_SelectSPI(void) {
AT91C_BASE_PIOB->PIO_PER = CONFIG_SYS_DATAFLASH_MMC_PIO; /* Set in PIO mode */
AT91C_BASE_PIOB->PIO_OER = CONFIG_SYS_DATAFLASH_MMC_PIO; /* Configure in output */
2007-08-14 09:14:05 +00:00
/* Clear Output */
AT91C_BASE_PIOB->PIO_CODR = CONFIG_SYS_DATAFLASH_MMC_PIO;
2007-08-14 09:14:05 +00:00
}