#ifndef SAM3_H
#define SAM3_H
-// TODO: refactor common cortex-m3 regs
-
#include <cpu/detect.h>
#include <cfg/compiler.h>
+/*
+ * Peripherals IDs.
+ */
+/*\{*/
+#if CPU_CM3_SAM3N
+ #define SUPC_ID 0 ///< Supply Controller (SUPC)
+ #define RSTC_ID 1 ///< Reset Controller (RSTC)
+ #define RTC_ID 2 ///< Real Time Clock (RTC)
+ #define RTT_ID 3 ///< Real Time Timer (RTT)
+ #define WDT_ID 4 ///< Watchdog Timer (WDT)
+ #define PMC_ID 5 ///< Power Management Controller (PMC)
+ #define EFC_ID 6 ///< Enhanced Flash Controller (EFC)
+ #define UART0_ID 8 ///< UART 0 (UART0)
+ #define UART1_ID 9 ///< UART 1 (UART1)
+ #define PIOA_ID 11 ///< Parallel I/O Controller A (PIOA)
+ #define PIOB_ID 12 ///< Parallel I/O Controller B (PIOB)
+ #define PIOC_ID 13 ///< Parallel I/O Controller C (PIOC)
+ #define US0_ID 14 ///< USART 0 (USART0)
+ #define US1_ID 15 ///< USART 1 (USART1)
+ #define TWI0_ID 19 ///< Two Wire Interface 0 (TWI0)
+ #define TWI1_ID 20 ///< Two Wire Interface 1 (TWI1)
+ #define SPI0_ID 21 ///< Serial Peripheral Interface (SPI)
+ #define TC0_ID 23 ///< Timer/Counter 0 (TC0)
+ #define TC1_ID 24 ///< Timer/Counter 1 (TC1)
+ #define TC2_ID 25 ///< Timer/Counter 2 (TC2)
+ #define TC3_ID 26 ///< Timer/Counter 3 (TC3)
+ #define TC4_ID 27 ///< Timer/Counter 4 (TC4)
+ #define TC5_ID 28 ///< Timer/Counter 5 (TC5)
+ #define ADC_ID 29 ///< Analog To Digital Converter (ADC)
+ #define DACC_ID 30 ///< Digital To Analog Converter (DACC)
+ #define PWM_ID 31 ///< Pulse Width Modulation (PWM)
+#else
+ #error Peripheral IDs undefined
+#endif
+/*\}*/
+
+/*
+ * Hardware features for drivers.
+ */
+#define USART_HAS_PDC 1
+#define SPI_HAS_PDC 1
+
+/* PDC registers */
+#define PERIPH_RPR_OFF 0x100 // Receive Pointer Register.
+#define PERIPH_RCR_OFF 0x104 // Receive Counter Register.
+#define PERIPH_TPR_OFF 0x108 // Transmit Pointer Register.
+#define PERIPH_TCR_OFF 0x10C // Transmit Counter Register.
+#define PERIPH_RNPR_OFF 0x110 // Receive Next Pointer Register.
+#define PERIPH_RNCR_OFF 0x114 // Receive Next Counter Register.
+#define PERIPH_TNPR_OFF 0x118 // Transmit Next Pointer Register.
+#define PERIPH_TNCR_OFF 0x11C // Transmit Next Counter Register.
+#define PERIPH_PTCR_OFF 0x120 // PDC Transfer Control Register.
+#define PERIPH_PTSR_OFF 0x124 // PDC Transfer Status Register.
+
+#define PDC_RXTEN 0
+#define PDC_RXTDIS 1
+#define PDC_TXTEN 8
+#define PDC_TXTDIS 9
+
+
#include "sam3_sysctl.h"
#include "sam3_pmc.h"
-#include "sam3_memmap.h"
#include "sam3_ints.h"
-#include "sam3_gpio.h"
+#include "sam3_pio.h"
#include "sam3_nvic.h"
#include "sam3_uart.h"
+#include "sam3_usart.h"
+#include "sam3_spi.h"
+#include "sam3_flash.h"
+#include "sam3_wdt.h"
+
+/**
+ * UART I/O pins
+ */
+/*\{*/
+#if CPU_CM3_SAM3U
+ #define RXD0 11
+ #define TXD0 12
+#else
+ #define RXD0 9
+ #define TXD0 10
+ #define RXD1 2
+ #define TXD1 3
+#endif
+/*\}*/
+/**
+ * PIO I/O pins
+ */
+/*\{*/
+#if CPU_CM3_SAM3U
+ #define SPI0_SPCK 15
+ #define SPI0_MOSI 14
+ #define SPI0_MISO 13
+#else
+ #define SPI0_SPCK 14
+ #define SPI0_MOSI 13
+ #define SPI0_MISO 12
+#endif
+/*\}*/
#endif /* SAM3_H */