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/* SPDX-License-Identifier: GPL-2.0-or-later */
/*
* Copyright (C) 2009 by David Brownell
*/
#ifndef OPENOCD_FLASH_NAND_ARM_IO_H
#define OPENOCD_FLASH_NAND_ARM_IO_H
/**
* Available operational states the arm_nand_data struct can be in.
*/
enum arm_nand_op {
ARM_NAND_NONE, /**< No operation performed. */
ARM_NAND_READ, /**< Read operation performed. */
ARM_NAND_WRITE, /**< Write operation performed. */
};
/**
* The arm_nand_data struct is used for defining NAND I/O operations on an ARM
* core.
*/
struct arm_nand_data {
/** Target is proxy for some ARM core. */
struct target *target;
/** The copy area holds code loop and data for I/O operations. */
struct working_area *copy_area;
/** The chunk size is the page size or ECC chunk. */
unsigned chunk_size;
/** Where data is read from or written to. */
uint32_t data;
/** Last operation executed using this struct. */
enum arm_nand_op op;
/* currently implicit: data width == 8 bits (not 16) */
};
int arm_nandwrite(struct arm_nand_data *nand, uint8_t *data, int size);
int arm_nandread(struct arm_nand_data *nand, uint8_t *data, uint32_t size);
#endif /* OPENOCD_FLASH_NAND_ARM_IO_H */