linux-kernel - Re: [PATCH] ARM: BCM5301X: Fix NAND ECC parameters for Linksys Panamera

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Date:   Sun, 11 Mar 2018 06:03:13 -0400
From:   Vivek Unune <npcomplete13@...il.com>
To:     Rafał Miłecki <zajec5@...il.com>
Cc:     florian.fainelli@...adcom.com, Hauke Mehrtens <hauke@...ke-m.de>,
        Jon Mason <jonmason@...adcom.com>,
        bcm-kernel-feedback-list <bcm-kernel-feedback-list@...adcom.com>,
        Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        Russell King <linux@...linux.org.uk>,
        "linux-arm-kernel@...ts.infradead.org" 
        <linux-arm-kernel@...ts.infradead.org>, devicetree@...r.kernel.org,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] ARM: BCM5301X: Fix NAND ECC parameters for Linksys
 Panamera

Hi Rafał,

On Sat, Mar 10, 2018 at 10:41:04PM +0100, Rafał Miłecki wrote:
> On 10 March 2018 at 18:12, Vivek Unune <npcomplete13@...il.com> wrote:
> > Using BCH8 gives ecc errors and makes the router unsuable.
> > Switching to BCH1 fixes these errors.
> 
> Can you provide CFE's log messages starting with
> "Decompressing...done" and up to the "Press Ctrl+C to stop in CFE"
> please? I'd like to see what NAND info CFE prints there.

See below. It does say BCH-8, however I can't get it to work.

CFE log:

Decompressing...done
Found a Toshiba NAND flash:
Total size:  128MB
Block size:  128KB
Page Size:   2048B
OOB Size:    64B
Sector size: 512B
Spare size:  16B
ECC level:   8 (8-bit)
Device ID: 0x98 0xf1 0x80 0x15 0xf2 0x16
find_devinfo: devinfo block found at 0x00180000!

Press Ctrl+C to stop in CFE

Thanks,

Vivek