diff options
author | Wolfgang Denk <wd@denx.de> | 2010-04-01 11:28:32 +0200 |
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committer | Wolfgang Denk <wd@denx.de> | 2010-04-01 11:28:32 +0200 |
commit | ffa37fc98d71ef930bccd4e9eed37f6ce6b4d6af (patch) | |
tree | 206908754219b5cc6e9f03518d34fb95a247bef9 /drivers/mtd/nand/atmel_nand_ecc.h | |
parent | ca6e1c136ddb720c3bb2cc043b99f7f06bc46c55 (diff) | |
parent | fd03ea89641d6f6ade6d1a8580c1bb9f52b8542c (diff) |
Merge branch 'next'
Diffstat (limited to 'drivers/mtd/nand/atmel_nand_ecc.h')
-rw-r--r-- | drivers/mtd/nand/atmel_nand_ecc.h | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/drivers/mtd/nand/atmel_nand_ecc.h b/drivers/mtd/nand/atmel_nand_ecc.h new file mode 100644 index 0000000000..1ee7f993db --- /dev/null +++ b/drivers/mtd/nand/atmel_nand_ecc.h @@ -0,0 +1,36 @@ +/* + * Error Corrected Code Controller (ECC) - System peripherals regsters. + * Based on AT91SAM9260 datasheet revision B. + * + * 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. + */ + +#ifndef ATMEL_NAND_ECC_H +#define ATMEL_NAND_ECC_H + +#define ATMEL_ECC_CR 0x00 /* Control register */ +#define ATMEL_ECC_RST (1 << 0) /* Reset parity */ + +#define ATMEL_ECC_MR 0x04 /* Mode register */ +#define ATMEL_ECC_PAGESIZE (3 << 0) /* Page Size */ +#define ATMEL_ECC_PAGESIZE_528 (0) +#define ATMEL_ECC_PAGESIZE_1056 (1) +#define ATMEL_ECC_PAGESIZE_2112 (2) +#define ATMEL_ECC_PAGESIZE_4224 (3) + +#define ATMEL_ECC_SR 0x08 /* Status register */ +#define ATMEL_ECC_RECERR (1 << 0) /* Recoverable Error */ +#define ATMEL_ECC_ECCERR (1 << 1) /* ECC Single Bit Error */ +#define ATMEL_ECC_MULERR (1 << 2) /* Multiple Errors */ + +#define ATMEL_ECC_PR 0x0c /* Parity register */ +#define ATMEL_ECC_BITADDR (0xf << 0) /* Bit Error Address */ +#define ATMEL_ECC_WORDADDR (0xfff << 4) /* Word Error Address */ + +#define ATMEL_ECC_NPR 0x10 /* NParity register */ +#define ATMEL_ECC_NPARITY (0xffff << 0) /* NParity */ + +#endif |