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[MTD] Support for protection register support on Intel FLASH chips

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This enables support for reading, writing and locking so called
"Protection Registers" present on some flash chips.
A subset of them are pre-programmed at the factory with a
unique set of values. The rest is user-programmable.

Signed-off-by: Nicolas Pitre <nico@cam.org>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
This commit is contained in:
Nicolas Pitre
2005-02-08 17:11:19 +00:00
committed by Thomas Gleixner
parent 67d9e95c39
commit f77814dd57
8 changed files with 369 additions and 127 deletions
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3
include/linux/mtd/flashchip.h
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@@ -6,7 +6,7 @@
*
* (C) 2000 Red Hat. GPLd.
*
* $Id: flashchip.h,v 1.15 2004/11/05 22:41:06 nico Exp $
* $Id: flashchip.h,v 1.16 2005/02/08 17:11:15 nico Exp $
*
*/
@@ -29,6 +29,7 @@ typedef enum {
FL_ERASE_SUSPENDED,
FL_WRITING,
FL_WRITING_TO_BUFFER,
FL_OTP_WRITE,
FL_WRITE_SUSPENDING,
FL_WRITE_SUSPENDED,
FL_PM_SUSPENDED,