Oh, and if you're using the eMMC only, you need to have uEnv,txt located in the first partition at root of the "drive". So in laymen terms . . .
/uEnv.txt - Not /boot/uEnv.txt or anywhere else *unless* you modify uboots code before compiling. On Fri, Mar 18, 2016 at 2:08 AM, William Hermans <[email protected]> wrote: > *It also seems that u-boot will try to took for uEnv.txt in several >> partitions, and seeing some "** Unable to read file uEnv.txt **" messages >> are ok. Is this correct?* >> > > No. If you have an sdcard inserted at boot it will always load the first > and second stage boot loaders from eMMC, but it will always look to the > first partition on the sdcard for uEnv.txt. > > The only exception is if S2 is depressed at boot time, then the first and > second stage boot loader will be "attempted" from the sdcard first, but > uEnv.txt will still be expected to exist on the sdcard. > > Many people ( yours truly included ) have in the past bemoaned this > behavior of uboot. When having a blank sdcard inserted at boot. > > On Thu, Mar 17, 2016 at 10:50 PM, David Hinkes <[email protected]> > wrote: > >> Thanks for the response, I appreciate it. >> >> >>> > Questions: >>> > (1) What are the requirements for the location of uEnv.txt? >>> >>> Look at the flow: >>> >>> >>> http://git.denx.de/?p=u-boot.git;a=blob;f=include/configs/am335x_evm.h;h=6ebe0b3866f9b137472cc080c9eb8f1e38233186;hb=df61a74e6845ec9bdcdd48d2aff5e9c2c6debeaa#l130 >>> >>> /uEnv.txt in the first partition... >>> >> >> I tried that and no luck. >> >> I realized that I configured u-boot with am335x_boneblack_defconfig and >> instead of am335x_evm_defconfig. >> >> It also seems that u-boot will try to took for uEnv.txt in several >> partitions, and seeing some "** Unable to read file uEnv.txt **" messages >> are ok. Is this correct? >> >> -- >> 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.
