From: Heiko Schocher <hs@denx.de>
To: Jupiter <jupiter.hce@gmail.com>
Cc: Richard Weinberger <richard.weinberger@gmail.com>,
u-boot@lists.denx.de, linux-mtd <linux-mtd@lists.infradead.org>
Subject: Re: Issue with 'ubi part' ubi_io_read: error -74 (ECC error)
Date: Fri, 22 May 2020 06:03:52 +0200 [thread overview]
Message-ID: <bc9f663c-4336-814e-4567-eeace4f36480@denx.de> (raw)
In-Reply-To: <CAA=hcWQDX3bPddO3TVo1Pn51tHGcPoywEHJwRsVBqy98AWqzEQ@mail.gmail.com>
Hello Jupiter,
Am 19.05.2020 um 14:06 schrieb Jupiter:
> Thanks Richard for the response.
>
> On 5/19/20, Richard Weinberger <richard.weinberger@gmail.com> wrote:
>> Neither UBI nor UBIFS care about ECC. The MTD stack does.
>> If you write something in Linux you cannot read back in u-boot a common
>> problem is that u-boot and Linux use different MTD settings (layout,
>> ECC, etc...).
>
> That is exactly the problem I have, the MTD layout in both Linux and
> u-boot is the same:
>
> # mtdinfo
> Count of MTD devices: 3
> Present MTD devices: mtd0, mtd1, mtd2
> Sysfs interface supported: yes
>
> Are there any ways or tools in Linux to change MTD settings (most
> likely the ECC or DTB) to the same setting in u-boot? I do have mtd
> and fw_setenv in Linux.
No for U-Boot (as I am aware of). You need to fix the DTS or may if
older U-Boot your code.
May you need to add in your U-Boot DTS gpmi node the property:
fsl,legacy-bch-geometry;
?
see commit:
51cdf83eea - mtd: gpmi: provide the option to use legacy bch geometry
bye,
Heiko
--
DENX Software Engineering GmbH, Managing Director: Wolfgang Denk
HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany
Phone: +49-8142-66989-52 Fax: +49-8142-66989-80 Email: hs@denx.de
______________________________________________________
Linux MTD discussion mailing list
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WARNING: multiple messages have this Message-ID (diff)
From: Heiko Schocher <hs@denx.de>
To: u-boot@lists.denx.de
Subject: Issue with 'ubi part' ubi_io_read: error -74 (ECC error)
Date: Fri, 22 May 2020 06:03:52 +0200 [thread overview]
Message-ID: <bc9f663c-4336-814e-4567-eeace4f36480@denx.de> (raw)
In-Reply-To: <CAA=hcWQDX3bPddO3TVo1Pn51tHGcPoywEHJwRsVBqy98AWqzEQ@mail.gmail.com>
Hello Jupiter,
Am 19.05.2020 um 14:06 schrieb Jupiter:
> Thanks Richard for the response.
>
> On 5/19/20, Richard Weinberger <richard.weinberger@gmail.com> wrote:
>> Neither UBI nor UBIFS care about ECC. The MTD stack does.
>> If you write something in Linux you cannot read back in u-boot a common
>> problem is that u-boot and Linux use different MTD settings (layout,
>> ECC, etc...).
>
> That is exactly the problem I have, the MTD layout in both Linux and
> u-boot is the same:
>
> # mtdinfo
> Count of MTD devices: 3
> Present MTD devices: mtd0, mtd1, mtd2
> Sysfs interface supported: yes
>
> Are there any ways or tools in Linux to change MTD settings (most
> likely the ECC or DTB) to the same setting in u-boot? I do have mtd
> and fw_setenv in Linux.
No for U-Boot (as I am aware of). You need to fix the DTS or may if
older U-Boot your code.
May you need to add in your U-Boot DTS gpmi node the property:
fsl,legacy-bch-geometry;
?
see commit:
51cdf83eea - mtd: gpmi: provide the option to use legacy bch geometry
bye,
Heiko
--
DENX Software Engineering GmbH, Managing Director: Wolfgang Denk
HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany
Phone: +49-8142-66989-52 Fax: +49-8142-66989-80 Email: hs at denx.de
next prev parent reply other threads:[~2020-05-22 4:04 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-05-17 11:27 Issue with 'ubi part' ubi_io_read: error -74 (ECC error) Jupiter
2020-05-17 11:27 ` Jupiter
2020-05-17 11:27 ` Jupiter
2020-05-19 11:17 ` Richard Weinberger
2020-05-19 11:17 ` Richard Weinberger
2020-05-19 12:06 ` Jupiter
2020-05-19 12:06 ` Jupiter
2020-05-22 4:03 ` Heiko Schocher [this message]
2020-05-22 4:03 ` Heiko Schocher
2020-05-22 12:19 ` Jupiter
2020-05-22 12:19 ` Jupiter
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