Re: MMC3 Overo

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> <u-boot_snip>
>  MUX_VAL(CP(ETK_CLK_ES2),       (IDIS | PTU | EN  | M2)) /*MMC3_CLK*/\

You must have input enable on CLK line for MMC3 or it won't work for
some reason (MMC 1 and 2 doesn't need that). Without this part of the
host controller hardware doesn't get the clock I guess, or something
like that. You won't believe how much time we've wasted on this!
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