AH.. Sorry for the noobness... I thought they were the same. Do you have any recommendation for flashing the eMMC via JTAG.. now I am quite loss as to what to do next to at least get MLO/uBoot to our bare metal BBB clone :(
Thank you! Paul On Wednesday, October 8, 2014 2:10:28 PM UTC-7, RobertCNelson wrote: > > On Wed, Oct 8, 2014 at 4:06 PM, Paul Reioux <[email protected] > <javascript:>> wrote: > > Hi, > > > > We have a clone BBB board except we do not have an SD card slot (the > traces > > are not even brought out of the SOC). We have JTAG capability (20 pin) > and > > we have the blackhawks v2 USB system trace. > > > > I have recompiled the host tool from the linux PSP following this guide: > > > > http://processors.wiki.ti.com/index.php/AM335x_CCS_Flashing_Tools_Guide > > > > I loaded the nand flash writer using BlackHawks USB system trace, the > > program runs, but when it try to actually write the emmc (we use Micron > 2GB > > eMMC MTFC2GMDEA-0M WT), the program cannot write the flash at all. I > step > > through the nand flash writer and noticed the Micron eMMC device id > returned > > all 0xff for all 4 bytes... > > > > My questions are: > > > > is the nand flash writer fairly generic? or do I need to do more code > > hacking for micron eMMC? (the reason I didn't pursue the 2nd question > > immediately is because the eMMC we used is similar to the real BBB, so I > > assumed micron eMMC should be supported by the nand flash writer by > > default...) > > umm... "eMMC" is not "NAND"... Well, it has nand in it, but it's > managed thru the mmc/sd interface. It's like a normal microSD card > except soldered to the pcb. > > Regards, > > -- > Robert Nelson > http://www.rcn-ee.com/ > -- For more options, visit http://beagleboard.org/discuss --- You received this message because you are subscribed to the Google Groups "BeagleBoard" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. For more options, visit https://groups.google.com/d/optout.
