diff options
Diffstat (limited to 'u-boot/board/atmel/at91rm9200dk/mux.c')
| -rw-r--r-- | u-boot/board/atmel/at91rm9200dk/mux.c | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/u-boot/board/atmel/at91rm9200dk/mux.c b/u-boot/board/atmel/at91rm9200dk/mux.c new file mode 100644 index 0000000..a00563e --- /dev/null +++ b/u-boot/board/atmel/at91rm9200dk/mux.c @@ -0,0 +1,29 @@ +#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 */ + + + if(AT91C_BASE_PIOB->PIO_ODSR & CONFIG_SYS_DATAFLASH_MMC_PIO) + return 1; + + 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 */ + /* Set Output */ + AT91C_BASE_PIOB->PIO_SODR = CONFIG_SYS_DATAFLASH_MMC_PIO; +} + +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 */ + /* Clear Output */ + AT91C_BASE_PIOB->PIO_CODR = CONFIG_SYS_DATAFLASH_MMC_PIO; +} |