diff --git a/include/asm-arm/arch-at91rm9200/AT91RM9200.h b/include/asm-arm/arch-at91rm9200/AT91RM9200.h
index 2f7f71036bfa2faf14d6bf9edf9650b4e1d1d43e..95db0177cd43dbf23b2c8b0d10b77f3a263b476b 100644
--- a/include/asm-arm/arch-at91rm9200/AT91RM9200.h
+++ b/include/asm-arm/arch-at91rm9200/AT91RM9200.h
@@ -25,6 +25,7 @@
 #ifndef AT91RM9200_H
 #define AT91RM9200_H
 
+#ifndef __ASSEMBLY__
 typedef volatile unsigned int AT91_REG;		/* Hardware register definition */
 
 /*****************************************************************************/
@@ -780,4 +781,5 @@ typedef struct _AT91S_PDC
 #define AT91C_PIOB_ODR		((AT91_REG *)	0xFFFFF614) /* (PIOB) Output Disable Registerr */
 #define AT91C_PIOB_PDSR		((AT91_REG *)	0xFFFFF63C) /* (PIOB) Pin Data Status Register */
 
-#endif
+#endif /* __ASSEMBLY__ */
+#endif /* AT91RM9200_H */
diff --git a/include/configs/at91rm9200dk.h b/include/configs/at91rm9200dk.h
index 951ce160a45f48ff1744123d22b087441cd72fbd..cd2eae20634fb46350ffb1cb53294b48ae3a2312 100644
--- a/include/configs/at91rm9200dk.h
+++ b/include/configs/at91rm9200dk.h
@@ -112,16 +112,11 @@
  */
 #include <config_cmd_default.h>
 
-#define CONFIG_CMD_MII
 #define CONFIG_CMD_DHCP
+#define CONFIG_CMD_MII
+#define CONFIG_CMD_NAND
 
-#undef CONFIG_CMD_BDI
-#undef CONFIG_CMD_IMI
-#undef CONFIG_CMD_AUTOSCRIPT
-#undef CONFIG_CMD_FPGA
-#undef CONFIG_CMD_MISC
-#undef CONFIG_CMD_LOADS
-
+#define CFG_NAND_LEGACY
 
 #define CFG_MAX_NAND_DEVICE	1	/* Max number of NAND devices		*/
 #define SECTORSIZE 512
@@ -137,6 +132,7 @@
 #define AT91_SMART_MEDIA_ALE (1 << 22)	/* our ALE is AD22 */
 #define AT91_SMART_MEDIA_CLE (1 << 21)	/* our CLE is AD21 */
 
+#include <asm/arch/AT91RM9200.h>	/* needed for port definitions */
 #define NAND_DISABLE_CE(nand) do { *AT91C_PIOC_SODR = AT91C_PIO_PC0;} while(0)
 #define NAND_ENABLE_CE(nand) do { *AT91C_PIOC_CODR = AT91C_PIO_PC0;} while(0)
 
diff --git a/include/configs/csb637.h b/include/configs/csb637.h
index e9c6d8e7aec97682d2da00eac9b328d8f43de3a8..735a211e07e84c04d603809ef3d469d7b8825f7d 100644
--- a/include/configs/csb637.h
+++ b/include/configs/csb637.h
@@ -114,17 +114,11 @@
  */
 #include <config_cmd_default.h>
 
-#define CONFIG_CMD_JFFS2
 #define CONFIG_CMD_DHCP
+#define CONFIG_CMD_JFFS2
 #define CONFIG_CMD_PING
 
-#undef CONFIG_CMD_BDI
-#undef CONFIG_CMD_IMI
-#undef CONFIG_CMD_AUTOSCRIPT
-#undef CONFIG_CMD_FPGA
-#undef CONFIG_CMD_MISC
-#undef CONFIG_CMD_LOADS
-
+#ifdef	NAND_SUPPORT_HAS_BEEN_FIXED	/* NAND support is broken / unimplemented */
 
 #define CFG_MAX_NAND_DEVICE	1	/* Max number of NAND devices		*/
 #define SECTORSIZE 512
@@ -140,6 +134,7 @@
 #define AT91_SMART_MEDIA_ALE (1 << 22)	/* our ALE is AD22 */
 #define AT91_SMART_MEDIA_CLE (1 << 21)	/* our CLE is AD21 */
 
+#include <asm/arch/AT91RM9200.h>	/* needed for port definitions */
 #define NAND_DISABLE_CE(nand) do { *AT91C_PIOC_SODR = AT91C_PIO_PC0;} while(0)
 #define NAND_ENABLE_CE(nand) do { *AT91C_PIOC_CODR = AT91C_PIO_PC0;} while(0)
 
@@ -155,6 +150,8 @@
 #define NAND_CTL_CLRCLE(nandptr)
 #define NAND_CTL_SETCLE(nandptr)
 
+#endif	/* NAND_SUPPORT_HAS_BEEN_FIXED */
+
 #define CONFIG_NR_DRAM_BANKS 1
 #define PHYS_SDRAM			0x20000000
 #define PHYS_SDRAM_SIZE			0x4000000  /* 64 megs */