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Diffstat (limited to 'src/flash/nand/s3c24xx.h')
| -rw-r--r-- | src/flash/nand/s3c24xx.h | 84 |
1 files changed, 84 insertions, 0 deletions
diff --git a/src/flash/nand/s3c24xx.h b/src/flash/nand/s3c24xx.h new file mode 100644 index 00000000..38057b27 --- /dev/null +++ b/src/flash/nand/s3c24xx.h @@ -0,0 +1,84 @@ +/*************************************************************************** + * 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. * + ***************************************************************************/ + +#ifndef S3C24xx_NAND_H +#define S3C24xx_NAND_H + +/* + * S3C24XX Series OpenOCD NAND Flash controller support. + * + * Many thanks to Simtec Electronics for sponsoring this work. + */ + +#include "nand.h" +#include "s3c24xx_regs.h" + +struct s3c24xx_nand_controller +{ + struct target *target; + + /* 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 (ERROR_OK != retval) \ + 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); + +int s3c24xx_controller_ready(struct nand_device *nand, int tout); + +#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 // S3C24xx_NAND_H |