> > *Oh those days are coming! Trust me, you'll enjoy the way i setup the* > * bootloader flashed to the eMMC in the new default debian based image.* > * It'll make things for Arch and other distro's much easier to control* > * boot, without messing with the eMMC.* > > * It will "only" try to bootup from the microSD if it contains a small* > * fat partition with a "uEnv.txt" file with the variable "uenvcmd"* > * defined. Otherwise it always boots off eMMC.* >
Hmm sounds interesting, and pretty cool, nut can help but wonder if that means good or bad news for me. *It also solves the "i inserted a blank/formated/etc microSD and now* * the board won't boot" problem..* heh, long time coming for some people ;) On Mon, Apr 28, 2014 at 10:13 PM, Robert Nelson <[email protected]>wrote: > > The concern I have is thatin the future if changes are made on the eMMC > boot > > record as shipped it might screw up the boot of the uSD. Perhaps the best > > way to do this is just to zap the eMMC. No one is going to need the > Angstrom > > code anyway and if they ever do they can recreate. > > Oh those days are coming! Trust me, you'll enjoy the way i setup the > bootloader flashed to the eMMC in the new default debian based image. > It'll make things for Arch and other distro's much easier to control > boot, without messing with the eMMC. > > It will "only" try to bootup from the microSD if it contains a small > fat partition with a "uEnv.txt" file with the variable "uenvcmd" > defined. Otherwise it always boots off eMMC. > > By default it expects these 2 files and a dtbs directory in the fat > partition > > /zImage > /initrd.img > /dtbs/*.dtb > > So if you make sure your ARCH distro has those 2 (or 3 files) saved to > the fat partition. Your uEnv.txt is as simple as: > > uenvcmd=run loadimage; run loadfdt; run mmcargs; bootz ${loadaddr} - > ${fdtaddr} > > If you want to load /zImage * /dtbs/*black*.dtb and boot... > > You can see the u-boot patch here: > > https://github.com/RobertCNelson/Bootloader-Builder/blob/master/patches/v2014.04/0001-am335x_evm-uEnv.txt-bootz-n-fixes.patch > > It also solves the "i inserted a blank/formated/etc microSD and now > the board won't boot" problem.. > > 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. > -- 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.
