diff --git a/arch/arm/include/asm/arch-at91/at91_pmc.h b/arch/arm/include/asm/arch-at91/at91_pmc.h
index 2f9ad96..fb8bb17 100644
--- a/arch/arm/include/asm/arch-at91/at91_pmc.h
+++ b/arch/arm/include/asm/arch-at91/at91_pmc.h
@@ -91,10 +91,18 @@ typedef struct at91_pmc {
 #define AT91_PMC_MCKR_PRES_64		0x00000018
 #define AT91_PMC_MCKR_PRES_MASK		0x0000001C
 
+#ifdef CONFIG_AT91RM9200
+#define AT91_PMC_MCKR_MDIV_1		0x00000000
+#define AT91_PMC_MCKR_MDIV_2		0x00000100
+#define AT91_PMC_MCKR_MDIV_3		0x00000200
+#define AT91_PMC_MCKR_MDIV_4		0x00000300
+#define AT91_PMC_MCKR_MDIV_MASK		0x00000300
+#else
 #define AT91_PMC_MCKR_MDIV_1		0x00000000
 #define AT91_PMC_MCKR_MDIV_2		0x00000100
 #define AT91_PMC_MCKR_MDIV_4		0x00000200
 #define AT91_PMC_MCKR_MDIV_MASK		0x00000300
+#endif
 
 #define AT91_PMC_MCKR_PLLADIV_1		0x00001000
 #define AT91_PMC_MCKR_PLLADIV_2		0x00002000