On Wed, Mar 25, 2009 at 10:13 AM, twebb <taliaferro62@xxxxxxxxx> wrote: > I'm currently using linux-omap-2.6.27 (tag=omap1) and trying to add > MMC2 support. I've back ported what I think I need from various files > inn l-o-2.6.28-omap1. I will eventually move to 2.6.28-omap1 but for > now am trying to get it working on 2.6.27. > > Traces show that all looks good up until first command is issued, then > nothing seems to happen. STAT reg shows 0, don't see clock or cmd > activity. MMC1 is working fine with an SD card; MMC2 is connected to > eMMC flash. Seems like I'm missing something basic like a clock or > enable, though I've confirmed ICLK and FCLK are enabled. Any ideas? > > Thanks, > twebb > I found at least part of my problem. SDVS field of HCTL was being set to 0x7 (3.3V) instead of 0x5 (1.8V), and apparently MMC2 must be set for 0x5. -- 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
