s3c24xx.h

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/* SPDX-License-Identifier: GPL-2.0-or-later */
 
/***************************************************************************
 *   Copyright (C) 2007, 2008 by Ben Dooks                                 *
 *   ben@fluff.org                                                         *
 ***************************************************************************/
 
#ifndef OPENOCD_FLASH_NAND_S3C24XX_H
#define OPENOCD_FLASH_NAND_S3C24XX_H
 
/*
 * S3C24XX Series OpenOCD NAND Flash controller support.
 *
 * Many thanks to Simtec Electronics for sponsoring this work.
 */
 
#include "imp.h"
#include "s3c24xx_regs.h"
#include <target/target.h>
 
struct s3c24xx_nand_controller {
    /* register addresses */
    uint32_t         cmd;
    uint32_t         addr;
    uint32_t         data;
    uint32_t         nfstat;
};
 
/* Default to using the un-translated NAND register based address */
#undef S3C2410_NFREG
#define S3C2410_NFREG(x) ((x) + 0x4e000000)
 
#define S3C24XX_DEVICE_COMMAND() \
        COMMAND_HELPER(s3c24xx_nand_device_command, \
                struct nand_device *nand, \
                struct s3c24xx_nand_controller **info)
 
S3C24XX_DEVICE_COMMAND();
 
#define CALL_S3C24XX_DEVICE_COMMAND(d, i) \
    do { \
        int retval = CALL_COMMAND_HANDLER(s3c24xx_nand_device_command, d, i); \
        if (retval != ERROR_OK) \
            return retval; \
    } while (0)
 
int s3c24xx_reset(struct nand_device *nand);
 
int s3c24xx_command(struct nand_device *nand, uint8_t command);
int s3c24xx_address(struct nand_device *nand, uint8_t address);
 
int s3c24xx_write_data(struct nand_device *nand, uint16_t data);
int s3c24xx_read_data(struct nand_device *nand, void *data);
 
#define s3c24xx_write_page NULL
#define s3c24xx_read_page NULL
 
/* code shared between different controllers */
 
int s3c2440_nand_ready(struct nand_device *nand, int timeout);
 
int s3c2440_read_block_data(struct nand_device *nand,
        uint8_t *data, int data_size);
int s3c2440_write_block_data(struct nand_device *nand,
        uint8_t *data, int data_size);
 
#endif /* OPENOCD_FLASH_NAND_S3C24XX_H */