Jeremy, It looks like you are loading to 0x4002000000 instead of 0x82000000. MP30-AR0 uses a 2GB base address, thus 0x82000000 is required. -Phong -----Original Message----- From: arm-dev-bounces at centos.org [mailto:arm-dev-bounces at centos.org] On Behalf Of Jeremiah Rothschild Sent: Thursday, March 10, 2016 8:43 AM To: arm-dev at centos.org Subject: Re: [Arm-dev] Gigabyte MP30-AR0 On Wed, Mar 09, 2016 at 03:23:17PM -0800, Jeremiah Rothschild wrote: > On Wed, Mar 09, 2016 at 11:16:39PM +0000, Michael Howard wrote: > > On 09/03/2016 22:51, Jeremiah Rothschild wrote: > > >On Wed, Mar 09, 2016 at 01:11:05PM -0800, Jeremiah Rothschild wrote: > > >>One thing I did change was to not boot via TFTP since I'd rather not have > > >>booting dependent on network availability. Instead I'm loading via SD. It > > >>was pretty straight forward but, in case anyone else is interested, I > > >>replaced the load_tianocore variable like so (assuming dev 0, part 1): > > >> > > >>setenv load_tianocore 'fatload mmc 0:1 0x82000000 mp30ar0_tianocore_ubt.fd; > > >>fatload mmc 0:1 0x1d000000 mp30ar0_tianocore_sec_ubt.fd' > > > > Is there a reason for your use of '0x82000000' instead of '0x4002000000'? > > '0x82000000' is by default kern_addr_r & kernel_addr_r and looks > > wrong to me. > > I was imitating the values that work for TFTP. > > > >Ah. I spoke too soon. Looks like, with this in place, I make it to to the > > >GRUB menu then things get lost from there. > > > > > >Might there be additional requirements on the SD card? > > > > > I wouldn't have thought so. Perhaps your use of '0x82000000' is > > causing the problem. > > I'll give that a go. Thanks. Hmmm, '0x82000000' seems to get me in a hung state. Output below. Hit any key to stop autoboot: 0 MP30AR0# setenv load_tianocore 'fatload mmc 0:1 0x4002000000 mp30ar0_tianocore_ubt.fd; fatload mmc 0:1 0x1d000000 mp30ar0_tianocore_sec_ubt.fd' MP30AR0# setenv run_tianocore 'go 0x1d000000' MP30AR0# run load_tianocore run_tianocore reading mp30ar0_tianocore_ubt.fd 1835008 bytes read in 1137 ms (1.5 MiB/s) reading mp30ar0_tianocore_sec_ubt.fd 262144 bytes read in 1008 ms (253.9 KiB/s) ## Starting application at 0x1D000000 ... X-Gene Mp30ar0 Board Boot firmware (version 1.20.03-uhp built at 11:18:31 on Feb 22 2016) > > Mike Howard > > > > _______________________________________________ > > Arm-dev mailing list > > Arm-dev at centos.org > > https://lists.centos.org/mailman/listinfo/arm-dev _______________________________________________ Arm-dev mailing list Arm-dev at centos.org https://lists.centos.org/mailman/listinfo/arm-dev