diff options
Diffstat (limited to 'board/at91rm9200dk/mux.c')
| -rw-r--r-- | board/at91rm9200dk/mux.c | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/board/at91rm9200dk/mux.c b/board/at91rm9200dk/mux.c new file mode 100644 index 0000000..d573923 --- /dev/null +++ b/board/at91rm9200dk/mux.c @@ -0,0 +1,39 @@ +#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 +} + +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 +} + + |