Re: [Ltib] patch to mtd-utils to dump ECC layout for a NAND MTD device

[Peter Barada]

Yes, its something I wrote and its GPL...
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-----Original Message-----
From: Stuart Hughes <address@hidden>
Date: Mon, 08 Mar 2010 09:34:12
To: Peter Barada<address@hidden>
Cc: <address@hidden>
Subject: Re: [Ltib] patch to mtd-utils to dump ECC layout for a NAND MTD device

Hi Peter,

Thanks for the patch it looks useful.  I added it into
dist/lfs-5.1/mtd-utils/mtd-utils.spec and it builds fine.

Before I upload this to the GPP on your behalf, could you confirm
whether this is something you wrote and is GPL, or if not what the
origin is.

Regards, Stuart

Peter Barada wrote:
> The attached patch adds code to "mtd_debug info" that dumps out the ECC
> layout of the device.  Output looks like(with addition in bold):
>
> OMAP-35x# mtd_debug info /dev/mtd2
> mtd.type = MTD_NANDFLASH
> mtd.flags = MTD_CAP_ROM
> mtd.size = 2228224 (2M)
> mtd.erasesize = 131072 (128K)
> mtd.writesize = 2048 (2K)
> mtd.oobsize = 64
> *ecclayout {*
> *        eccbytes = 12,*
> *        eccpos = { 2, 3, 4, 5, 6, 7, 8, 9,*
> *                10, 11, 12, 13},*
> *        .oobfree = {*
> *                { .offset = 14,*
> *                  .length = 50},*
> *        },*
> *};*
>
> regions = 0
>
>
> Adding in this code made life so much easier trying to hunt down and fix
> a but in YAFFS/NAND ECC compatibility between Linux and u-boot on my
> target....
>
>
> --
> Peter Barada <address@hidden <mailto:address@hidden>>
> Logic Product Development, Inc.
>
>
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