+#define AT91_USART0 AT91SAM9260_BASE_US0
+#define AT91_USART1 AT91SAM9260_BASE_US1
+#define AT91_USART2 AT91SAM9260_BASE_US2
+#define AT91_USART3 AT91SAM9260_BASE_US3
+#define AT91_USART4 AT91SAM9260_BASE_US4
+#define AT91_USART5 AT91SAM9260_BASE_US5
+