pcd_common.h

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/*
 * Copyright (c) 2024 Nordic Semiconductor ASA
 *
 * SPDX-License-Identifier: LicenseRef-Nordic-5-Clause
 */
 
#ifndef PCD_COMMON_H__
#define PCD_COMMON_H__
 
#ifndef CONFIG_SOC_SERIES_NRF53
#error "PCD is only supported on nRF53 series"
#endif
 
#define PCD_CMD_MAGIC_COPY 0xb5b4b3b6
#define PCD_CMD_MAGIC_LOCK_DEBUG 0xb6f249ec
#define PCD_CMD_MAGIC_FAIL 0x25bafc15
#define PCD_CMD_MAGIC_DONE 0xf103ce5d
#define PCD_CMD_MAGIC_READ_VERSION 0xdca345ea
 
struct pcd_cmd {
        uint32_t magic;         /* Magic value to identify this structure in memory */
        const void *data;       /* Data to copy*/
        size_t len;             /* Number of bytes to copy */
        __INTPTR_TYPE__ offset; /* Offset to store the flash image in */
} __aligned(4);
 
extern volatile struct pcd_cmd *pcd_cmd_p;
 
static inline void pcd_write_cmd_lock_debug(void)
{
        *pcd_cmd_p = (struct pcd_cmd){
                .magic = PCD_CMD_MAGIC_LOCK_DEBUG,
        };
}
 
static inline bool pcd_read_cmd_done(void)
{
        return pcd_cmd_p->magic == PCD_CMD_MAGIC_DONE;
}
 
static inline bool pcd_read_cmd_lock_debug(void)
{
        return pcd_cmd_p->magic == PCD_CMD_MAGIC_LOCK_DEBUG;
}
 
#endif /* PCD_COMMON_H__ */