On Apr 28, 2014 11:18 PM, "William Hermans" <[email protected]> wrote: >> >> 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.
No change for you, as your uEnv.txt is based on my default one and it meets the requirements. > > >> 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. -- 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.
