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   1 /* SPDX-License-Identifier: GPL-2.0-or-later */
   2
   3 /***************************************************************************
   4  *   Copyright (C) 2007, 2008 by Ben Dooks                                 *
   5  *   ben@fluff.org                                                         *
   6  ***************************************************************************/
   7
   8 #ifndef OPENOCD_FLASH_NAND_S3C24XX_H
   9 #define OPENOCD_FLASH_NAND_S3C24XX_H
  10
  11 /*
  12  * S3C24XX Series OpenOCD NAND Flash controller support.
  13  *
  14  * Many thanks to Simtec Electronics for sponsoring this work.
  15  */
  16
  17 #include "imp.h"
  18 #include "s3c24xx_regs.h"
  19 #include <target/target.h>
  20
  21 struct s3c24xx_nand_controller {
  22         /* register addresses */
  23         uint32_t                 cmd;
  24         uint32_t                 addr;
  25         uint32_t                 data;
  26         uint32_t                 nfstat;
  27 };
  28
  29 /* Default to using the un-translated NAND register based address */
  30 #undef S3C2410_NFREG
  31 #define S3C2410_NFREG(x) ((x) + 0x4e000000)
  32
  33 #define S3C24XX_DEVICE_COMMAND() \
  34                 COMMAND_HELPER(s3c24xx_nand_device_command, \
  35                                 struct nand_device *nand, \
  36                                 struct s3c24xx_nand_controller **info)
  37
  38 S3C24XX_DEVICE_COMMAND();
  39
  40 #define CALL_S3C24XX_DEVICE_COMMAND(d, i) \
  41         do { \
  42                 int retval = CALL_COMMAND_HANDLER(s3c24xx_nand_device_command, d, i); \
  43                 if (retval != ERROR_OK) \
  44                         return retval; \
  45         } while (0)
  46
  47 int s3c24xx_reset(struct nand_device *nand);
  48
  49 int s3c24xx_command(struct nand_device *nand, uint8_t command);
  50 int s3c24xx_address(struct nand_device *nand, uint8_t address);
  51
  52 int s3c24xx_write_data(struct nand_device *nand, uint16_t data);
  53 int s3c24xx_read_data(struct nand_device *nand, void *data);
  54
  55 #define s3c24xx_write_page NULL
  56 #define s3c24xx_read_page NULL
  57
  58 /* code shared between different controllers */
  59
  60 int s3c2440_nand_ready(struct nand_device *nand, int timeout);
  61
  62 int s3c2440_read_block_data(struct nand_device *nand,
  63                 uint8_t *data, int data_size);
  64 int s3c2440_write_block_data(struct nand_device *nand,
  65                 uint8_t *data, int data_size);
  66
  67 #endif /* OPENOCD_FLASH_NAND_S3C24XX_H */