• Home
  • History
  • Annotate
  • Line#
  • Navigate
  • Raw
  • Download
  • only in /netgear-R7000-V1.0.7.12_1.2.5/components/opensource/linux/linux-2.6.36/drivers/mtd/nand/
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