#define AT91_PMC_PRES_32 (5 << 2)
#define AT91_PMC_PRES_64 (6 << 2)
#define AT91_PMC_MDIV (3 << 8) /* Master Clock Division */
-#define AT91_PMC_MDIV_1 (0 << 8)
-#define AT91_PMC_MDIV_2 (1 << 8)
-#define AT91_PMC_MDIV_3 (2 << 8)
-#define AT91_PMC_MDIV_4 (3 << 8)
+#define AT91RM9200_PMC_MDIV_1 (0 << 8) /* [AT91RM9200 only] */
+#define AT91RM9200_PMC_MDIV_2 (1 << 8)
+#define AT91RM9200_PMC_MDIV_3 (2 << 8)
+#define AT91RM9200_PMC_MDIV_4 (3 << 8)
+#define AT91SAM9_PMC_MDIV_1 (0 << 8) /* [SAM9,CAP9 only] */
+#define AT91SAM9_PMC_MDIV_2 (1 << 8)
+#define AT91SAM9_PMC_MDIV_4 (2 << 8)
+#define AT91SAM9_PMC_MDIV_6 (3 << 8)
+#define AT91_PMC_PDIV (1 << 12) /* Processor Clock Division [some SAM9 only] */
+#define AT91_PMC_PDIV_1 (0 << 12)
+#define AT91_PMC_PDIV_2 (1 << 12)
#define AT91_PMC_PCKR(n) (AT91_PMC + 0x40 + ((n) * 4)) /* Programmable Clock 0-3 Registers */