icm.h

/* ---------------------------------------------------------------------------- */
/*                  Atmel Microcontroller Software Support                      */
/*                       SAM Software Package License                           */
/* ---------------------------------------------------------------------------- */
/* Copyright (c) 2015, Atmel Corporation                                        */
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/* this software without specific prior written permission.                     */
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/* ---------------------------------------------------------------------------- */

#ifndef _ICM_
#define _ICM_

/*------------------------------------------------------------------------------
 *         Headers
 *------------------------------------------------------------------------------*/

#include "chip.h"


/*------------------------------------------------------------------------------*/
/*         Definition                                                           */
/*------------------------------------------------------------------------------*/
#define ICM_RCFG_CDWBN (0x1u << 0)

#define ICM_RCFG_WRAP (0x1u << 1)

#define ICM_RCFG_EOM (0x1u << 2)

#define ICM_RCFG_RHIEN (0x1u << 4)

#define ICM_RCFG_DMIEN (0x1u << 5)

#define ICM_RCFG_BEIEN (0x1u << 6)

#define ICM_RCFG_WCIEN (0x1u << 7)

#define ICM_RCFG_ECIEN (0x1u << 8)

#define ICM_RCFG_SUIEN (0x1u << 9)

#define ICM_RCFG_PROCDLY (0x1u << 10)

#define ICM_RCFG_UALGO_Pos 12
#define ICM_RCFG_UALGO_Msk (0x7u << ICM_RCFG_UALGO_Pos)

#define   ICM_RCFG_ALGO_SHA1 (0x0u << 12)

#define   ICM_RCFG_ALGO_SHA256 (0x1u << 12)

#define   ICM_RCFG_ALGO_SHA224 (0x4u << 12)

#define ICM_RCFG_MRPROT_Pos 24
#define ICM_RCFG_MRPROT_Msk (0x3fu << ICM_RCFG_MRPROT_Pos)

#define ICM_RCFG_MRPROT(value) \
    ((ICM_RCFG_MRPROT_Msk & ((value) << ICM_RCFG_MRPROT_Pos)))

/*----------------------------------------------------------------------------*/
/*         Type                                                               */
/*----------------------------------------------------------------------------*/

typedef struct _LinkedListDescriporIcmRegion {
    uint32_t icm_raddr;
    uint32_t icm_rcfg;
    uint32_t icm_rctrl;
    uint32_t icm_rnext;
} LinkedListDescriporIcmRegion;

/*----------------------------------------------------------------------------*/
/*         Exported functions                                                 */
/*----------------------------------------------------------------------------*/
extern void ICM_Enable(void);
extern void ICM_Disable(void);
extern void ICM_SoftReset(void);
extern void ICM_ReComputeHash(uint8_t region);
extern void ICM_EnableMonitor(uint8_t region);
extern void ICM_DisableMonitor(uint8_t region);
extern void ICM_Configure(uint32_t mode);
extern void ICM_EnableIt(uint32_t sources);
extern void ICM_DisableIt(uint32_t sources);
extern uint32_t ICM_GetIntStatus(void);
extern uint32_t ICM_GetStatus(void);
extern uint32_t ICM_GetUStatus(void);
extern void ICM_SetDescStartAddress(uint32_t addr);
extern void ICM_SetHashStartAddress(uint32_t addr);
extern void ICM_SetInitHashValue(uint32_t val);
#endif /* #ifndef _ICM_ */