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| author | Wolfgang Denk <wd@denx.de> | 2009-04-04 22:15:46 +0200 |
|---|---|---|
| committer | Wolfgang Denk <wd@denx.de> | 2009-04-04 22:15:46 +0200 |
| commit | 5f58f8d20f97deaf4dde7eb3886efa3e5a3715ee (patch) | |
| tree | 0e748004387ad33d791977718a100f090b59a5c6 /board/atmel/at91rm9200ek/mux.c | |
| parent | 66932ac3929c7a145a6ef6574a96fd7535154951 (diff) | |
| parent | 03bab0091948196b9558248684c04f60943ca4b5 (diff) | |
| download | u-boot-imx-5f58f8d20f97deaf4dde7eb3886efa3e5a3715ee.zip u-boot-imx-5f58f8d20f97deaf4dde7eb3886efa3e5a3715ee.tar.gz u-boot-imx-5f58f8d20f97deaf4dde7eb3886efa3e5a3715ee.tar.bz2 | |
Merge branch 'master' of git://git.denx.de/u-boot-at91
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 0000000..bdd44e8 --- /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); +} |