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

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Message-ID: <2ef6e4fc-cce7-372e-e35f-578fd6ada9ca@gmail.com>
Date:   Mon, 12 Mar 2018 15:52:27 -0700
From:   Florian Fainelli <f.fainelli@...il.com>
To:     Vivek Unune <npcomplete13@...il.com>,
        Rafał Miłecki <zajec5@...il.com>
Cc:     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

On 03/11/2018 03:03 AM, Vivek Unune wrote:
> 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

What kind of error are you getting in Linux with BCH-8?
-- 
-- 
Florian