From: Stefano Babic <sbabic@denx.de>
To: u-boot@lists.denx.de
Subject: [U-Boot] [PATCH] mmc: mx6qsabrelite: fsl_esdhc: Define maximum bus width supported by SabreLite board
Date: Wed, 03 Apr 2013 11:06:49 +0200 [thread overview]
Message-ID: <515BF129.60103@denx.de> (raw)
In-Reply-To: <1363863628-31707-1-git-send-email-abbas_raza@mentor.com>
On 21/03/2013 12:00, Abbas Raza wrote:
> From: Abbas Raza <Abbas_Raza@mentor.com>
>
> Maximum bus width supported by SabreLite board is not 8bit like
> all other mx6q specific boards. In case where both host controller
> and card support 8bit transfers, they agree to communicate on 8bit
> interface while boards like the SabreLite support only 4bit interface.
> Due to this reason the mmc 8bit default mode fails on the SabreLite.
> To rectify this, define maximum bus width supported by this board (4bit).
> If max_bus_width is not defined, it is 0 by default and 8bit width support
> will be enabled in host capabilities otherwise host capabilities are modified
> accordingly.
>
> It is tested with a MMCplus card.
>
> Signed-off-by: Abbas Raza <Abbas_Raza@mentor.com>
> cc: stefano Babic <sbabic@denx.de>
> cc: Andy Fleming <afleming@gmail.com>
> Acked-by: Dirk Behme <dirk.behme@de.bosch.com>
> Acked-by: Andrew Gabbasov <andrew_gabbasov@mentor.com>
> ---
Applied to u-boot-imx, thanks.
FYI: of course, I will merge the same fix for max_bus_width for
Nitrogen6x and Wandboard if posted.
Best regards,
Stefano Babic
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next prev parent reply other threads:[~2013-04-03 9:06 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-03-21 11:00 [U-Boot] [PATCH] mmc: mx6qsabrelite: fsl_esdhc: Define maximum bus width supported by SabreLite board Abbas Raza
2013-04-03 9:06 ` Stefano Babic [this message]
2013-04-03 9:18 ` Dirk Behme
2013-04-03 9:52 ` Stefano Babic
2013-04-03 9:27 ` Stefano Babic
-- strict thread matches above, loose matches on Subject: below --
2013-03-21 6:38 Abbas Raza
2013-03-21 16:17 ` Eric Nelson
2013-03-25 11:02 ` Abbas Raza
2013-03-25 13:52 ` Eric Nelson
2013-06-06 20:25 ` Eric Nelson
2013-06-06 21:47 ` Otavio Salvador
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