[U-Boot] [PATCH] imx: mx6sxsabresd: support emmc

[Peng Fan]

Hi Otavio,
On Tue, Dec 22, 2015 at 09:51:37AM -0200, Otavio Salvador wrote:
>On Tue, Dec 22, 2015 at 7:03 AM, Peng Fan <van.freenix at gmail.com> wrote:
>> From: Peng Fan <peng.fan at nxp.com>
>>
>> For i.MX6SX SABRESD, USDHC4 can be used for SD and EMMC, default
>> it is used for SD.
>>
>> This patch introduces EMMC pinmux settings and a new macro
>> CONFIG_MX6SXSABRESD_EMMC_REWORK. If the board has been reworked
>> to support emmc, need to enable this macro.
>>
>> Signed-off-by: Peng Fan <peng.fan at nxp.com>
>> Cc: Stefano Babic <sbabic at denx.de>
>
>Is it worth supporting this 'reworked' board? if someone reworks a
>board it is expected to have to rework the BSP of it, as well.

usdhc4 can be used for SD and emmc. This is the feature of the board,
so I think we need to support it. But there is no way to dynamically check
whether using sd or emmc now, adding the macro for using emmc.

Regards,
Peng.

>
>-- 
>Otavio Salvador                             O.S. Systems
>http://www.ossystems.com.br        http://code.ossystems.com.br
>Mobile: +55 (53) 9981-7854            Mobile: +1 (347) 903-9750