/*************************************************************************** * Copyright (C) 2007, 2008 by Ben Dooks * * ben@fluff.org * * * * 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. * ***************************************************************************/ /* * S3C24XX Series OpenOCD NAND Flash controller support. * * Many thanks to Simtec Electronics for sponsoring this work. */ #include "nand.h" #include "s3c24xx_regs_nand.h" typedef struct s3c24xx_nand_controller_s { struct target_s *target; /* register addresses */ u32 cmd; u32 addr; u32 data; u32 nfstat; } s3c24xx_nand_controller_t; /* Default to using the un-translated NAND register based address */ #undef S3C2410_NFREG #define S3C2410_NFREG(x) ((x) + 0x4e000000) extern s3c24xx_nand_controller_t *s3c24xx_nand_device_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc, struct nand_device_s *device); extern int s3c24xx_register_commands(struct command_context_s *cmd_ctx); extern int s3c24xx_reset(struct nand_device_s *device); extern int s3c24xx_command(struct nand_device_s *device, u8 command); extern int s3c24xx_address(struct nand_device_s *device, u8 address); extern int s3c24xx_write_data(struct nand_device_s *device, u16 data); extern int s3c24xx_read_data(struct nand_device_s *device, void *data); extern int s3c24xx_controller_ready(struct nand_device_s *device, int tout); #define s3c24xx_write_page NULL #define s3c24xx_read_page NULL /* code shared between different controllers */ extern int s3c2440_nand_ready(struct nand_device_s *device, int timeout); extern int s3c2440_read_block_data(struct nand_device_s *, u8 *data, int data_size); extern int s3c2440_write_block_data(struct nand_device_s *, u8 *data, int data_size);