> <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! -- To unsubscribe from this list: send the line "unsubscribe linux-omap" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html