omap3: mmc: add 1.8v bias setting for MMC1

[u-boot] / drivers / mmc / zynq_sdhci.c

diff --git a/drivers/mmc/zynq_sdhci.c b/drivers/mmc/zynq_sdhci.c
index 72a272f2ba0ee0c63d674b11c28881b477b1ebd7..7887f11c649b01ae7a4565c3297f68c5f068ab18 100644 (file)
--- a/drivers/mmc/zynq_sdhci.c
+++ b/drivers/mmc/zynq_sdhci.c
@@ -7,11 +7,13 @@
  */
 
 #include <common.h>
+#include <fdtdec.h>
+#include <libfdt.h>
 #include <malloc.h>
 #include <sdhci.h>
 #include <asm/arch/sys_proto.h>
 
-int zynq_sdhci_init(u32 regbase)
+int zynq_sdhci_init(phys_addr_t regbase)
 {
        struct sdhci_host *host = NULL;
 
@@ -32,3 +34,30 @@ int zynq_sdhci_init(u32 regbase)
        add_sdhci(host, 52000000, 52000000 >> 9);
        return 0;
 }
+
+#ifdef CONFIG_OF_CONTROL
+int zynq_sdhci_of_init(const void *blob)
+{
+       int offset = 0;
+       u32 ret = 0;
+       phys_addr_t reg;
+
+       debug("ZYNQ SDHCI: Initialization\n");
+
+       do {
+               offset = fdt_node_offset_by_compatible(blob, offset,
+                                       "arasan,sdhci-8.9a");
+               if (offset != -1) {
+                       reg = fdtdec_get_addr(blob, offset, "reg");
+                       if (reg != FDT_ADDR_T_NONE) {
+                               ret |= zynq_sdhci_init(reg);
+                       } else {
+                               debug("ZYNQ SDHCI: Can't get base address\n");
+                               return -1;
+                       }
+               }
+       } while (offset != -1);
+
+       return ret;
+}
+#endif