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Diffstat (limited to 'board/atmel/at91rm9200ek/mux.c')
-rw-r--r--board/atmel/at91rm9200ek/mux.c38
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);
+}