From: Fabio Estevam <festevam@gmail.com>
To: u-boot@lists.denx.de
Subject: [U-Boot] mmc erase fails from U-Boot command line
Date: Sun, 6 Dec 2015 22:21:44 -0200 [thread overview]
Message-ID: <CAOMZO5C_is6WNGweHYo5H28VSv=NXbASAVwPEiNfGZCXb56PMQ@mail.gmail.com> (raw)
In-Reply-To: <566216D9.4030202@nelint.com>
Hi Eric,
On Fri, Dec 4, 2015 at 8:42 PM, Eric Nelson <eric@nelint.com> wrote:
> I've figured out a way to repeat this on my machine.
>
> If I write 0xff's to the eMMC blocks, then issue an erase for the same,
> I get the problem with each MMC_ERASE command.
>
> I've also found something that fixes the issue in my testing.
>
> Changing SECURE_ERASE to 0 from 0x80000000 in include/mmc.h allows
> things to function for me.
>
> Page 115 of the JEDEC eMMC 4.5 spec says that bit 31 is obsolete and
> should be zero:
> http://www.jedec.org/sites/default/files/docs/jesd84-B45.pdf
>
> Hector and Fabio, can you test that change?
Managed to get access to a revC2 board and tested your change.
I am happy to say that 'mmc erase' works now :-)
Good job, Eric!
When you send a formal patch then you can add:
Tested-by: Fabio Estevam <fabio.estevam@freescale.com>
Thanks!
next prev parent reply other threads:[~2015-12-07 0:21 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
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 [this message]
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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