[U-Boot] [PATCH] mmc: omap: follow TRM procedure to power on cards

Tom Rini trini at ti.com
Mon Mar 19 17:44:01 CET 2012

On 03/19/2012 06:50 AM, Grazvydas Ignotas wrote:
> According to OMAP3 TRM, PBIASLITEPWRDNZ bits must be cleared while MMC
> power supply is being enabled and is ramping up (those bits might be
> left set by the previous bootloader). It doesn't say what happens if
> this procedure is violated, but better not to risk here and do things
> as required.

While in favor of correctness (and putting / moving up reconciling Linux 
and U-Boot omap MMC drivers on my TODO list), does this help with the 
problem you had reported before?  Thanks!


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