diff options
Diffstat (limited to 'board/atmel/at91rm9200ek/mux.c')
| -rw-r--r-- | board/atmel/at91rm9200ek/mux.c | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/board/atmel/at91rm9200ek/mux.c b/board/atmel/at91rm9200ek/mux.c new file mode 100644 index 0000000000..bdd44e8cf7 --- /dev/null +++ b/board/atmel/at91rm9200ek/mux.c @@ -0,0 +1,38 @@ +#include <config.h> +#include <common.h> +#include <asm/hardware.h> +#include <asm/io.h> +#include <dataflash.h> + +int AT91F_GetMuxStatus(void) +{ + /* Set in PIO mode */ + writel(CONFIG_SYS_DATAFLASH_MMC_PIO, AT91C_BASE_PIOB->PIO_PER); + /* Configure in output */ + writel(CONFIG_SYS_DATAFLASH_MMC_PIO, AT91C_BASE_PIOB->PIO_OER); + + if(readl(AT91C_BASE_PIOB->PIO_ODSR) & CONFIG_SYS_DATAFLASH_MMC_PIO) + return 1; + + return 0; +} + +void AT91F_SelectMMC(void) +{ + /* Set in PIO mode */ + writel(CONFIG_SYS_DATAFLASH_MMC_PIO, AT91C_BASE_PIOB->PIO_PER); + /* Configure in output */ + writel(CONFIG_SYS_DATAFLASH_MMC_PIO, AT91C_BASE_PIOB->PIO_OER); + /* Set Output */ + writel(CONFIG_SYS_DATAFLASH_MMC_PIO, AT91C_BASE_PIOB->PIO_SODR); +} + +void AT91F_SelectSPI(void) +{ + /* Set in PIO mode */ + writel(CONFIG_SYS_DATAFLASH_MMC_PIO, AT91C_BASE_PIOB->PIO_PER); + /* Configure in output */ + writel(CONFIG_SYS_DATAFLASH_MMC_PIO, AT91C_BASE_PIOB->PIO_OER); + /* Clear Output */ + writel(CONFIG_SYS_DATAFLASH_MMC_PIO, AT91C_BASE_PIOB->PIO_CODR); +} |
