diff --git a/drivers/mtd/nand/Kconfig b/drivers/mtd/nand/Kconfig
index f1d60b6..d8b8fce 100644
--- a/drivers/mtd/nand/Kconfig
+++ b/drivers/mtd/nand/Kconfig
@@ -134,10 +134,10 @@
 
 config MTD_NAND_NDFC
 	tristate "NDFC NanD Flash Controller"
-	depends on 44x
+	depends on 4xx
 	select MTD_NAND_ECC_SMC
 	help
-	 NDFC Nand Flash Controllers are integrated in EP44x SoCs
+	 NDFC Nand Flash Controllers are integrated in IBM/AMCC's 4xx SoCs
 
 config MTD_NAND_S3C2410_CLKSTOP
 	bool "S3C2410 NAND IDLE clock stop"
diff --git a/drivers/mtd/nand/ndfc.c b/drivers/mtd/nand/ndfc.c
index fd7a8d5..1c0e89f 100644
--- a/drivers/mtd/nand/ndfc.c
+++ b/drivers/mtd/nand/ndfc.c
@@ -24,7 +24,11 @@
 #include <linux/platform_device.h>
 
 #include <asm/io.h>
+#ifdef CONFIG_40x
+#include <asm/ibm405.h>
+#else
 #include <asm/ibm44x.h>
+#endif
 
 struct ndfc_nand_mtd {
 	struct mtd_info			mtd;
@@ -230,7 +234,11 @@
 	struct ndfc_controller *ndfc = &ndfc_ctrl;
 	unsigned long long phys = settings->ndfc_erpn | res->start;
 
+#ifndef CONFIG_PHYS_64BIT
+	ndfc->ndfcbase = ioremap((phys_addr_t)phys, res->end - res->start + 1);
+#else
 	ndfc->ndfcbase = ioremap64(phys, res->end - res->start + 1);
+#endif
 	if (!ndfc->ndfcbase) {
 		printk(KERN_ERR "NDFC: ioremap failed\n");
 		return -EIO;