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author | Ingo Molnar <mingo@elte.hu> | 2008-07-28 23:14:43 +0400 |
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committer | Ingo Molnar <mingo@elte.hu> | 2008-07-28 23:14:43 +0400 |
commit | 414f746d232d41ed6ae8632c4495ae795373c44b (patch) | |
tree | 167f9bc8f139c6e82e6732b38c7a938b8a9d31cd /drivers/mtd/nand/atmel_nand_ecc.h | |
parent | 5a7a201c51c324876d00a54e7208af6af12d1ca4 (diff) | |
parent | c9272c4f9fbe2087beb3392f526dc5b19efaa56b (diff) | |
download | linux-414f746d232d41ed6ae8632c4495ae795373c44b.tar.xz |
Merge branch 'linus' into cpus4096
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 000000000000..1ee7f993db1c --- /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 |