lk/linux-kernel-test
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

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

Browse Source 
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
Download Patch File Download Diff File Expand all files Collapse all files

8
include/mtd/mtd-abi.h
View File

@@ -1,5 +1,5 @@
/*
* $Id: mtd-abi.h,v 1.7 2004/11/23 15:37:32 gleixner Exp $
* $Id: mtd-abi.h,v 1.8 2005/02/08 17:11:16 nico Exp $
*
* Portions of MTD ABI definition which are shared by kernel and user space
*/
@@ -80,6 +80,12 @@ struct region_info_user {
uint32_t regionindex;
};
struct otp_info {
uint32_t start;
uint32_t length;
uint32_t locked;
};
#define MEMGETINFO _IOR('M', 1, struct mtd_info_user)
#define MEMERASE _IOW('M', 2, struct erase_info_user)
#define MEMWRITEOOB _IOWR('M', 3, struct mtd_oob_buf)