- #define UART_PIO_BASE PIOA_BASE
- #define UART_PINS (BV(RXD0) | BV(TXD0))
-#elif (CONFIG_KDEBUG_PORT == 1) && !defined(CPU_CM3_AT91SAM3U)
+ #define UART_PIO_BASE UART0_PORT
+ #define UART_PERIPH UART0_PERIPH
+ #define UART_PINS (BV(URXD0) | BV(UTXD0))
+#elif (CONFIG_KDEBUG_PORT == 1) && UART_PORTS > 1