From: Fabio Estevam <festevam@gmail.com>
To: u-boot@lists.denx.de
Subject: [U-Boot] mmc erase fails from U-Boot command line
Date: Wed, 2 Dec 2015 15:23:16 -0200 [thread overview]
Message-ID: <CAOMZO5Bw8fiOOsvD99Qwb-trcNcXN9ysEMy5AoUCFYKtg4tfnw@mail.gmail.com> (raw)
In-Reply-To: <565DEF80.90204@nelint.com>
Hi Eric,
On Tue, Dec 1, 2015 at 5:05 PM, Eric Nelson <eric@nelint.com> wrote:
> I've also recently seen this on two different custom boards. Both are
> running i.MX6Q TO1.2 and both are using eMMC from Micron.
One colleague of mine tested eMMC erasure on a mx6qsabresd revC5 board
with a eMMC from Micron and it worked fine.
So far I see:
revB and revC5: works
revC2 and revC4: don't work
>
> The code which is generating the error message:
>
> http://git.denx.de/?p=u-boot.git;a=blob;f=drivers/mmc/fsl_esdhc.c;h=c5054d66bdcda029f0485958c87bd5154ccee591;hb=HEAD#l390
>
> Seems to refer to an errata for the i.MX35 (ENGcm03648):
> http://cache.freescale.com/files/dsp/doc/errata/IMX35CE.pdf
>
> I don't see any reference to the errata in the i.MX6 docs.
This piece of code came from:
7a5b80297bc6cef ("mmc: fsl_esdhc: Poll until card is not busy anymore")
Yes, ENGcm03648 is not listed in mx6 errata document.
> Ignoring the error (removing the return statement) seems to leave things
> in a workable state, so I suspect the problem isn't with an insufficient
> timeout.
May I see your change, please?
Thanks,
Fabio Estevam
next prev parent reply other threads:[~2015-12-02 17:23 UTC|newest]
Thread overview: 29+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-10-16 11:46 [U-Boot] mmc erase fails from U-Boot command line Cliff Brust
2015-10-19 11:06 ` Hector Palacios
2015-11-12 20:56 ` Fabio Estevam
2015-11-13 12:26 ` Palacios, Hector
2015-11-13 14:37 ` Fabio Estevam
2015-11-16 15:23 ` Fabio Estevam
2015-11-16 15:30 ` Fabio Estevam
2015-12-01 19:05 ` Eric Nelson
2015-12-02 17:23 ` Fabio Estevam [this message]
2015-12-02 18:47 ` Eric Nelson
2015-12-02 18:52 ` Fabio Estevam
2015-12-02 19:28 ` Eric Nelson
2015-12-02 19:53 ` Fabio Estevam
2015-12-04 16:35 ` Eric Nelson
2015-12-04 16:37 ` Fabio Estevam
2015-12-04 22:42 ` Eric Nelson
2015-12-05 0:19 ` Fabio Estevam
2015-12-07 0:21 ` Fabio Estevam
2015-12-07 14:36 ` Eric Nelson
2015-12-02 19:37 ` Michael Trimarchi
2015-12-02 19:54 ` Fabio Estevam
2015-12-02 20:00 ` Michael Trimarchi
2015-12-04 16:08 ` Eric Nelson
2015-12-04 16:50 ` Eric Nelson
2015-12-04 17:06 ` Michael Trimarchi
2015-12-07 14:50 ` [U-Boot] [PATCH] mmc: update MMC_ERASE argument to match Linux kernel Eric Nelson
2015-12-09 10:55 ` Hector Palacios
2015-12-22 9:55 ` Fabio Estevam
2016-01-04 22:23 ` [U-Boot] " Tom Rini
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