81 lines
3.0 KiB
C
81 lines
3.0 KiB
C
/***************************************************************************
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* Copyright (C) 2007, 2008 by Ben Dooks *
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* ben@fluff.org *
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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 S3C24xx_NAND_H
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#define S3C24xx_NAND_H
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/*
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* S3C24XX Series OpenOCD NAND Flash controller support.
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*
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* Many thanks to Simtec Electronics for sponsoring this work.
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*/
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#include "imp.h"
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#include "s3c24xx_regs.h"
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#include <target/target.h>
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struct s3c24xx_nand_controller {
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/* register addresses */
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uint32_t cmd;
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uint32_t addr;
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uint32_t data;
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uint32_t nfstat;
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};
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/* Default to using the un-translated NAND register based address */
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#undef S3C2410_NFREG
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#define S3C2410_NFREG(x) ((x) + 0x4e000000)
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#define S3C24XX_DEVICE_COMMAND() \
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COMMAND_HELPER(s3c24xx_nand_device_command, \
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struct nand_device *nand, \
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struct s3c24xx_nand_controller **info)
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S3C24XX_DEVICE_COMMAND();
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#define CALL_S3C24XX_DEVICE_COMMAND(d, i) \
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do { \
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int retval = CALL_COMMAND_HANDLER(s3c24xx_nand_device_command, d, i); \
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if (ERROR_OK != retval) \
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return retval; \
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} while (0)
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int s3c24xx_reset(struct nand_device *nand);
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int s3c24xx_command(struct nand_device *nand, uint8_t command);
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int s3c24xx_address(struct nand_device *nand, uint8_t address);
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int s3c24xx_write_data(struct nand_device *nand, uint16_t data);
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int s3c24xx_read_data(struct nand_device *nand, void *data);
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#define s3c24xx_write_page NULL
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#define s3c24xx_read_page NULL
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/* code shared between different controllers */
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int s3c2440_nand_ready(struct nand_device *nand, int timeout);
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int s3c2440_read_block_data(struct nand_device *nand,
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uint8_t *data, int data_size);
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int s3c2440_write_block_data(struct nand_device *nand,
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uint8_t *data, int data_size);
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#endif /* S3C24xx_NAND_H */
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