smc.h

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/*                  Atmel Microcontroller Software Support                      */
/*                       SAM Software Package License                           */
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/* Copyright (c) 2015, Atmel Corporation                                        */
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/* ---------------------------------------------------------------------------- */

#ifndef _SMC_
#define _SMC_

/*----------------------------------------------------------------------------
 *        Headers
 *----------------------------------------------------------------------------*/
#include "chip.h"

/*----------------------------------------------------------------------------
 *        Types
 *----------------------------------------------------------------------------*/
typedef union _SmcStatus {
    uint8_t BStatus;
    struct _SmcStatusBits {
        uint8_t smcSts: 1,   
                xfrDone: 1,  
                cmdDone: 1,  
                rbEdge: 1,   
                hammingReady: 1;  
    } bStatus;
} SmcStatus;

/*----------------------------------------------------------------------------
 *        Definitions
 *----------------------------------------------------------------------------*/
/*
 * NFC definitions
 */

#define NFC_SRAM_BASE_ADDRESS 0x200000

#define NFC_CMD_BASE_ADDR     0x70000000


/* -------- NFCADDR_CMD : NFC Address Command -------- */
#define NFCADDR_CMD_CMD1      (0xFFu <<  2)
/* Command Register Value for Cycle 1 */
#define NFCADDR_CMD_CMD2      (0xFFu << 10)
/* Command Register Value for Cycle 2 */
#define NFCADDR_CMD_VCMD2     (0x1u << 18)
/* Valid Cycle 2 Command */
#define NFCADDR_CMD_ACYCLE    (0x7u << 19)
/* Number of Address required for the current command */
#define   NFCADDR_CMD_ACYCLE_NONE    (0x0u << 19)
/* No address cycle */
#define   NFCADDR_CMD_ACYCLE_ONE     (0x1u << 19)
/* One address cycle */
#define   NFCADDR_CMD_ACYCLE_TWO     (0x2u << 19)
/* Two address cycles */
#define   NFCADDR_CMD_ACYCLE_THREE   (0x3u << 19)
/* Three address cycles */
#define   NFCADDR_CMD_ACYCLE_FOUR    (0x4u << 19)
/* Four address cycles */
#define   NFCADDR_CMD_ACYCLE_FIVE    (0x5u << 19)
/* Five address cycles */
#define NFCADDR_CMD_CSID      (0x7u << 22)
/* Chip Select Identifier */
#define   NFCADDR_CMD_CSID_0                    (0x0u << 22)
/* CS0 */
#define   NFCADDR_CMD_CSID_1                    (0x1u << 22)
/* CS1 */
#define   NFCADDR_CMD_CSID_2                    (0x2u << 22)
/* CS2 */
#define   NFCADDR_CMD_CSID_3                    (0x3u << 22)
/* CS3 */
#define   NFCADDR_CMD_CSID_4                    (0x4u << 22)
/* CS4 */
#define   NFCADDR_CMD_CSID_5                    (0x5u << 22)
/* CS5 */
#define   NFCADDR_CMD_CSID_6                    (0x6u << 22)
/* CS6 */
#define   NFCADDR_CMD_CSID_7                    (0x7u << 22)
/* CS7 */
#define NFCADDR_CMD_DATAEN   (0x1u << 25)
/* NFC Data Enable */
#define NFCADDR_CMD_DATADIS  (0x0u << 25)
/* NFC Data disable */
#define NFCADDR_CMD_NFCRD    (0x0u << 26)
/* NFC Read Enable */
#define NFCADDR_CMD_NFCWR    (0x1u << 26)
/* NFC Write Enable */
#define NFCADDR_CMD_NFCCMD   (0x1u << 27)
/* NFC Command Enable */

/*
 * ECC definitions (Hsiao Code Errors)
 */

#define Hsiao_ERROR_SINGLEBIT         1

#define Hsiao_ERROR_ECC               2

#define Hsiao_ERROR_MULTIPLEBITS      3

/*----------------------------------------------------------------------------
 *        Exported functions
 *----------------------------------------------------------------------------*/

/*
 * NFC functions
 */

extern void SMC_NFC_Configure(uint32_t mode);
extern void SMC_NFC_Reset(void);
extern void SMC_NFC_EnableNfc(void);
extern void SMC_NFC_EnableSpareRead(void);
extern void SMC_NFC_DisableSpareRead(void);
extern void SMC_NFC_EnableSpareWrite(void);
extern void SMC_NFC_DisableSpareWrite(void);
extern uint8_t SMC_NFC_isSpareRead(void);
extern uint8_t SMC_NFC_isSpareWrite(void);
extern uint8_t SMC_NFC_isTransferComplete(void);
extern uint8_t SMC_NFC_isReadyBusy(void);
extern uint8_t SMC_NFC_isNfcBusy(void);
extern uint32_t SMC_NFC_GetStatus(void);

extern void SMC_NFC_SendCommand(uint32_t cmd, uint32_t addressCycle,
                                uint32_t cycle0);
extern void SMC_NFC_Wait_CommandDone(void);
extern void SMC_NFC_Wait_XfrDone(void);
extern void SMC_NFC_Wait_RBbusy(void);
extern void SMC_NFC_Wait_HammingReady(void);

extern void SMC_ECC_Configure(uint32_t type, uint32_t pageSize);
extern uint32_t SMC_ECC_GetCorrectoinType(void);
extern uint8_t SMC_ECC_GetStatus(uint8_t eccNumber);

extern void SMC_ECC_GetValue(uint32_t *ecc);
extern void SMC_ECC_GetEccParity(uint32_t pageDataSize, uint8_t *code,
                                 uint8_t busWidth);
extern uint8_t SMC_ECC_VerifyHsiao(uint8_t *data, uint32_t size,
                                   const uint8_t *originalCode, const uint8_t *verifyCode, uint8_t busWidth);

#endif /* #ifndef _SMC_ */