Hello list,

inside the automatic U-Boot patch tracking system a new ticket [DNX#2006033142000696] was created:

<snip>

Generated against testing-NAND branch.

Signed-off-by: Ladislav Michl ladis@linux-mips.org

CHANGELOG:

• Update NAND code to be based on what is in Linux-2.6.14 Patch by Ladislav Michl, 3 Nov 2005

diff -Naurw a/include/linux/mtd/nand.h b/include/linux/mtd/nand.h --- a/include/linux/mtd/nand.h 2005-11-03 12:48:27.000000000 +0100 +++ b/include/linux/mtd/nand.h 2005-11-03 12:49:41.000000000 +0100 @@ -5,7 +5,7 @@

•                 Steven J. Hill <sjhill@realitydiluted.com>
  

•        Thomas Gleixner <tglx@linutronix.de>
  

• • $Id: nand.h,v 1.68 2004/11/12 10:40:37 gleixner Exp $

• • $Id: nand.h,v 1.73 2005/05/31 19:39:17 gleixner Exp $
  • This program is free software; you can redistribute it and/or modify
  • it under the terms of the GNU General Public License version 2 as

@@ -48,12 +48,15 @@

• 02-08-2004 tglx added option field to nand structure for chip

anomalities

• 05-25-2004 tglx added bad block table support, ST-MICRO

manufacturer id

• 	update of nand_chip structure description
  

• • 01-17-2005 dmarlin added extended commands for AG-AND device and

added option

• • 	for BBT_AUTO_REFRESH.
    

• • 01-20-2005 dmarlin added optional pointer to hardware specific

callback for

• • 	extra error status checks.
    

  */

#ifndef __LINUX_MTD_NAND_H #define __LINUX_MTD_NAND_H

#include <linux/mtd/compat.h> -#include <linux/mtd/mtd.h>

struct mtd_info; /* Scan and identify a NAND device */ @@ -113,6 +116,25 @@ #define NAND_CMD_READSTART 0x30 #define NAND_CMD_CACHEDPROG 0x15

+/* Extended commands for AG-AND device */ +/*

• • Note: the command for NAND_CMD_DEPLETE1 is really 0x00 but

• •   there is no way to distinguish that from NAND_CMD_READ0
    

• •   until the remaining sequence of commands has been completed
    

• •   so add a high order bit and mask it off in the command.
    

• */

+#define NAND_CMD_DEPLETE1 0x100 +#define NAND_CMD_DEPLETE2 0x38 +#define NAND_CMD_STATUS_MULTI 0x71 +#define NAND_CMD_STATUS_ERROR 0x72 +/* multi-bank error status (banks 0-3) */ +#define NAND_CMD_STATUS_ERROR0 0x73 +#define NAND_CMD_STATUS_ERROR1 0x74 +#define NAND_CMD_STATUS_ERROR2 0x75 +#define NAND_CMD_STATUS_ERROR3 0x76 +#define NAND_CMD_STATUS_RESET 0x7f +#define NAND_CMD_STATUS_CLEAR 0xff

/* Status bits */ #define NAND_STATUS_FAIL 0x01 #define NAND_STATUS_FAIL_N1 0x02 @@ -149,6 +171,10 @@ /* Enable Hardware ECC before syndrom is read back from flash */ #define NAND_ECC_READSYN 2

+/* Bit mask for flags passed to do_nand_read_ecc */ +#define NAND_GET_DEVICE 0x80

/* Option constants for bizarre disfunctionality and real

• features

*/ @@ -168,6 +194,10 @@ /* Chip has a array of 4 pages which can be read without

• additional ready /busy waits */

#define NAND_4PAGE_ARRAY 0x00000040 +/* Chip requires that BBT is periodically rewritten to prevent

• • bits from adjacent blocks from 'leaking' in altering data.
• • This happens with the Renesas AG-AND chips, possibly others. */

+#define BBT_AUTO_REFRESH 0x00000080

/* Options valid for Samsung large page devices */ #define NAND_SAMSUNG_LP_OPTIONS \ @@ -190,7 +220,8 @@

• This can only work if we have the ecc bytes directly behind the
• data bytes. Applies for DOC and AG-AND Renesas HW Reed Solomon

generators */ #define NAND_HWECC_SYNDROME 0x00020000

+/* This option skips the bbt scan during initialization. */ +#define NAND_SKIP_BBTSCAN 0x00040000

/* Options set by nand scan */ /* Nand scan has allocated oob_buf */

</snip>

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