/*
* Copyright (C) 2009 by David Brownell
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the
* Free Software Foundation, Inc.,
* 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#ifndef __ARM_NANDIO_H
#define __ARM_NANDIO_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 /* __ARM_NANDIO_H */
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