[U-Boot] [PATCH v2 13/13] mxc nand: Add support for i.MX5
Scott Wood
scottwood at freescale.com
Sat Nov 17 01:01:03 CET 2012
On 11/16/2012 02:28:16 PM, Benoît Thébaudeau wrote:
> Also, I've noticed that some of the oobfree fields of the
> nand_ecclayout
> structures in mxc_nand.c are slightly different from what can be
> found in Linux.
> Any idea about which one is correct (if any)?
Unless there's an obvious error such as overlap with ECC or a bad block
marker, there isn't really a right answer (except to the extent that
you're wasting bytes) -- but it's important that everyone agree. So
the answer is basically, "which compatibility would it hurt more to
break?"
That said, the U-Boot ones make more sense to me in terms of not having
strange missing bytes.
> This field does not even always start at offset 0 when it looks free
> according
> to the ECC info. Is this normal?
Yes. Bad block markers are at offset zero except on 8-bit 512b-page
chips.
-Scott
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