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OneNAND: One-Time Programmable (OTP) support

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One Block of the NAND Flash Array memory is reserved as
a One-Time Programmable Block memory area.
Also, 1st Block of NAND Flash Array can be used as OTP.

The OTP block can be read, programmed and locked using the same
operations as any other NAND Flash Array memory block.
OTP block cannot be erased.

OTP block is fully-guaranteed to be a valid block.

Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
This commit is contained in:
Kyungmin Park
2006-05-12 17:03:07 +03:00
committed by Jarkko Lavinen
parent 3cecf69ecd
commit 493c646077
5 changed files with 335 additions and 4 deletions
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2
drivers/mtd/mtdchar.c
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@@ -552,7 +552,7 @@ static int mtd_ioctl(struct inode *inode, struct file *file,
break;
}
#ifdef CONFIG_MTD_OTP
#if defined(CONFIG_MTD_OTP) || defined(CONFIG_MTD_ONENAND_OTP)
case OTPSELECT:
{
int mode;