58 lines
1.8 KiB
C
58 lines
1.8 KiB
C
/*
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* Copyright (C) 2009 by David Brownell
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the
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* Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#ifndef __ARM_NANDIO_H
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#define __ARM_NANDIO_H
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/**
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* Available operational states the arm_nand_data struct can be in.
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*/
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enum arm_nand_op {
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ARM_NAND_NONE, /**< No operation performed. */
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ARM_NAND_READ, /**< Read operation performed. */
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ARM_NAND_WRITE, /**< Write operation performed. */
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};
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/**
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* The arm_nand_data struct is used for defining NAND I/O operations on an ARM
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* core.
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*/
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struct arm_nand_data {
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/** Target is proxy for some ARM core. */
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struct target *target;
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/** The copy area holds code loop and data for I/O operations. */
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struct working_area *copy_area;
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/** The chunk size is the page size or ECC chunk. */
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unsigned chunk_size;
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/** Where data is read from or written to. */
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uint32_t data;
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/** Last operation executed using this struct. */
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enum arm_nand_op op;
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/* currently implicit: data width == 8 bits (not 16) */
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};
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int arm_nandwrite(struct arm_nand_data *nand, uint8_t *data, int size);
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int arm_nandread(struct arm_nand_data *nand, uint8_t *data, uint32_t size);
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#endif /* __ARM_NANDIO_H */
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