RE: No more software ECC in omap2.c NAND driver. Why?

2010-11-24 Thread Ghorai, Sukumar
[..snip..] > % mkfs.jffs2 --little-endian --no-cleanmarkers --pad 2048 --pagesize 2048 > --eraseblock 131072 -d /tmp/tmp.h9dKGpcNFw -D root.devices -o root.jffs2 > > >> nand write.i ${loadaddr} 0x00c0 0x200 > >> nand write.i ${loadaddr} 0x0420 0x200 > > > > [Ghorai] why

Re: No more software ECC in omap2.c NAND driver. Why?

2010-11-22 Thread Grant Erickson
On 11/21/10 11:29 PM, Ghorai, Sukumar wrote: >> The board (Mistral AM37x) NAND (Micron 256 MiB) was originally >> bootstrapped >> over SD/MMC from u-boot using the following script: > > [Ghorai] let me know the nand details - x8/x16, small/big page? It's the Micron 256 MiB x16 2 KiB page size, 128

RE: No more software ECC in omap2.c NAND driver. Why?

2010-11-21 Thread Ghorai, Sukumar
[..snip..] > > The board (Mistral AM37x) NAND (Micron 256 MiB) was originally > bootstrapped > over SD/MMC from u-boot using the following script: [Ghorai] let me know the nand details - x8/x16, small/big page? > [..snip..] > nandecc sw [..snip..] > fatload mmc 0 ${loadaddr} root.jff [

Re: No more software ECC in omap2.c NAND driver. Why?

2010-11-21 Thread Grant Erickson
t;> Subject: Re: No more software ECC in omap2.c NAND driver. Why? >> >> On 11/21/10 1:01 PM, Charles Manning wrote: >>> Just recompiling with the CONFIG_MTD_NAND_OMAP_HWECC define commented >> out did >>> not result in a working system. I suspect there is

RE: No more software ECC in omap2.c NAND driver. Why?

2010-11-21 Thread Ghorai, Sukumar
> -Original Message- > From: Grant Erickson [mailto:maratho...@gmail.com] > Sent: Monday, November 22, 2010 11:39 AM > To: Charles Manning > Cc: linux-omap@vger.kernel.org; Grazvydas Ignotas; Ghorai, Sukumar > Subject: Re: No more software ECC in omap2.c NAND driver.

Re: No more software ECC in omap2.c NAND driver. Why?

2010-11-21 Thread Grant Erickson
On 11/21/10 1:01 PM, Charles Manning wrote: > Just recompiling with the CONFIG_MTD_NAND_OMAP_HWECC define commented out did > not result in a working system. I suspect there is more tto the problem than > this. FWIW, I had the exact same issues with my Mistral AM37x EVM board. I not only had to re

Re: No more software ECC in omap2.c NAND driver. Why?

2010-11-21 Thread Charles Manning
On Friday 19 November 2010 03:33:24 Ghorai, Sukumar wrote: > > -Original Message- > > From: linux-omap-ow...@vger.kernel.org [mailto:linux-omap- > > ow...@vger.kernel.org] On Behalf Of Charles Manning > > Sent: Thursday, November 18, 2010 6:36 AM > > To: linux-omap@vger.kernel.org > > Subje

RE: No more software ECC in omap2.c NAND driver. Why?

2010-11-19 Thread Ghorai, Sukumar
> -Original Message- > From: Grazvydas Ignotas [mailto:nota...@gmail.com] > Sent: Friday, November 19, 2010 4:06 PM > To: Ghorai, Sukumar > Cc: Charles Manning; linux-omap@vger.kernel.org > Subject: Re: No more software ECC in omap2.c NAND driver. Why? > > On T

Re: No more software ECC in omap2.c NAND driver. Why?

2010-11-19 Thread Grazvydas Ignotas
On Thu, Nov 18, 2010 at 4:33 PM, Ghorai, Sukumar wrote: >> -Original Message- >> From: linux-omap-ow...@vger.kernel.org [mailto:linux-omap- >> ow...@vger.kernel.org] On Behalf Of Charles Manning >> Sent: Thursday, November 18, 2010 6:36 AM >> To: linux-omap@vger.kernel.org >> Subject: No m

RE: No more software ECC in omap2.c NAND driver. Why?

2010-11-18 Thread Ghorai, Sukumar
> -Original Message- > From: linux-omap-ow...@vger.kernel.org [mailto:linux-omap- > ow...@vger.kernel.org] On Behalf Of Charles Manning > Sent: Thursday, November 18, 2010 6:36 AM > To: linux-omap@vger.kernel.org > Subject: No more software ECC in omap2.c NAND driver. Why? > > Between 2.