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[MTD ONENAND] Check OneNAND lock scheme & all block unlock command support

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OneNAND lock scheme depends on density and process of chip.
Some OneNAND chips support all block unlock

Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: David Woodhouse <dwmw2@infradead.org>
This commit is contained in:
Kyungmin Park
2006-09-26 09:45:28 +00:00
committed by David Woodhouse
parent 98638ee2ed
commit 28b79ff966
3 changed files with 125 additions and 22 deletions
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6
include/linux/mtd/onenand.h
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@ -1,7 +1,7 @@
/*
* linux/include/linux/mtd/onenand.h
*
* Copyright (C) 2005 Samsung Electronics
* Copyright (C) 2005-2006 Samsung Electronics
* Kyungmin Park <kyungmin.park@samsung.com>
*
* This program is free software; you can redistribute it and/or modify
@ -96,6 +96,7 @@ struct onenand_chip {
void __iomem *base;
unsigned int chipsize;
unsigned int device_id;
unsigned int version_id;
unsigned int density_mask;
unsigned int options;
@ -149,7 +150,8 @@ struct onenand_chip {
/*
* Options bits
*/
#define ONENAND_CONT_LOCK (0x0001)
#define ONENAND_HAS_CONT_LOCK (0x0001)
#define ONENAND_HAS_UNLOCK_ALL (0x0002)
#define ONENAND_PAGEBUF_ALLOC (0x1000)
/*