1 /* 2 * Error Corrected Code Controller (ECC) - System peripherals regsters. 3 * Based on AT91SAM9260 datasheet revision B. 4 * 5 * Copyright (C) 2007 Andrew Victor 6 * Copyright (C) 2007 Atmel Corporation. 7 * 8 * This program is free software; you can redistribute it and/or modify it 9 * under the terms of the GNU General Public License as published by the 10 * Free Software Foundation; either version 2 of the License, or (at your 11 * option) any later version. 12 */ 13 14 #ifndef ATMEL_NAND_ECC_H 15 #define ATMEL_NAND_ECC_H 16 17 #define ATMEL_ECC_CR 0x00 /* Control register */ 18 #define ATMEL_ECC_RST (1 << 0) /* Reset parity */ 19 20 #define ATMEL_ECC_MR 0x04 /* Mode register */ 21 #define ATMEL_ECC_PAGESIZE (3 << 0) /* Page Size */ 22 #define ATMEL_ECC_PAGESIZE_528 (0) 23 #define ATMEL_ECC_PAGESIZE_1056 (1) 24 #define ATMEL_ECC_PAGESIZE_2112 (2) 25 #define ATMEL_ECC_PAGESIZE_4224 (3) 26 27 #define ATMEL_ECC_SR 0x08 /* Status register */ 28 #define ATMEL_ECC_RECERR (1 << 0) /* Recoverable Error */ 29 #define ATMEL_ECC_ECCERR (1 << 1) /* ECC Single Bit Error */ 30 #define ATMEL_ECC_MULERR (1 << 2) /* Multiple Errors */ 31 32 #define ATMEL_ECC_PR 0x0c /* Parity register */ 33 #define ATMEL_ECC_BITADDR (0xf << 0) /* Bit Error Address */ 34 #define ATMEL_ECC_WORDADDR (0xfff << 4) /* Word Error Address */ 35 36 #define ATMEL_ECC_NPR 0x10 /* NParity register */ 37 #define ATMEL_ECC_NPARITY (0xffff << 0) /* NParity */ 38 39 #endif 40