*
* -->
*
- * \brief AT91SAM3 debug support (implementation).
+ * \brief SAM3 debug support (implementation).
*
* \author Stefano Fedrigo <aleph@develer.com>
*/
#include <io/sam3.h>
-#if CONFIG_KDEBUG_PORT == 0
+#if (CONFIG_KDEBUG_PORT == 0)
#define UART_BASE UART0_BASE
#define UART_ID UART0_ID
- #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
#define UART_BASE UART1_BASE
#define UART_ID UART1_ID
- #define UART_PIO_BASE PIOB_BASE
- #define UART_PINS (BV(RXD1) | BV(TXD1))
+ #define UART_PIO_BASE UART1_PORT
+ #define UART_PERIPH UART1_PERIPH
+ #define UART_PINS (BV(URXD1) | BV(UTXD1))
#else
#error "UART port not supported in this board"
#endif
INLINE void kdbg_hw_init(void)
{
- /* Disable PIO mode and set appropriate UART pins peripheral mode */
+ /*
+ * Disable PIO mode and set appropriate UART pins peripheral mode.
+ * SAM3X,A,N,S,U: all of them has all UARTs on peripheral A.
+ */
HWREG(UART_PIO_BASE + PIO_PDR_OFF) = UART_PINS;
- HWREG(UART_PIO_BASE + PIO_ABCDSR1_OFF) &= ~UART_PINS;
- HWREG(UART_PIO_BASE + PIO_ABCDSR2_OFF) &= ~UART_PINS;
+ PIO_PERIPH_SEL(UART_PIO_BASE, UART_PINS, UART_PERIPH);
/* Enable the peripheral clock */
- PMC_PCER = BV(UART_ID);
+ pmc_periphEnable(UART_ID);
/* Reset and disable receiver & transmitter */
HWREG(UART_BASE + UART_CR_OFF) = BV(UART_CR_RSTRX) | BV(UART_CR_RSTTX) | BV(UART_CR_RXDIS) | BV(UART_CR_TXDIS);