Nevermind...figured out the problem.. Turned out that the 2.6.29-rc3 code was mistakenly setting the voltage of MMC2 to 3v, and the eMMC is set to operate at 1.8v as is MMC2..so fixing that got the thing working again..
Regards -- Ashwin On Fri, Apr 9, 2010 at 8:20 AM, Ashwin Bihari <abih...@gmail.com> wrote: > I've got a board that has a eMMC and I'm using the Donut 1.6 release > of Android from Rowboat..I added Kernel s2.6.29-rc3 upport for my > custom board. We are using MMC1 for the SD card and MMC2 for the eMMC. > I've made the necessary changes to get the SD card and eMMC recognized > during boot. Once the device is suspended, I press the power button to > resume it and it tries to do so. The SD card is properly resumed but > the first command to the eMMC (CMD0) never completes, and thus the MMC > code is waiting forever and thus the resume process is stuck.. > > I've seen that there a are a few of you using eMMC's on this list, and > I'm wondering if any of you had to do anything special to get this > stuff to work or if there was anything special that needs to be done. > > MMC1 (SD card) is powered by VMMC1 out of the PMIC, while MMC2 (eMMC) > is powered separately with 3 and 1.8 volts..and I've confirmed that > these voltages are always on..I've been running around this problem > for a little while now and would appreciate any insights.. > > Regards > -- Ashwin > -- unsubscribe: android-porting+unsubscr...@googlegroups.com website: http://groups.google.com/group/android-porting To unsubscribe, reply using "remove me" as the subject.
