#define AT91SAM9_MASTER_CLOCK 99300000
#define CLOCK_TICK_RATE (AT91SAM9_MASTER_CLOCK/16)
+#elif defined(CONFIG_ARCH_AT91SAM9263)
+
+#define AT91SAM9_MASTER_CLOCK 99959500
+#define CLOCK_TICK_RATE (AT91SAM9_MASTER_CLOCK/16)
+
+#elif defined(CONFIG_ARCH_AT91SAM9RL)
+
+#define AT91SAM9_MASTER_CLOCK 100000000
+#define CLOCK_TICK_RATE (AT91SAM9_MASTER_CLOCK/16)
+
#endif
#endif