From: <[email protected]>
Reply-To: <[email protected]>
Date: Wednesday, December 18, 2013 at 7:33 PM
To: <[email protected]>
Subject: [beagleboard] Re: Beaglebone Black won't boot from Micro SD, all
LEDs remain lit
>
>> Hi,
> I have a Beagleboard Black, San micro sdcard 16g extreme with the Kali Linux
> Image on it. With the help of Tobin over at Win32 image writer I saw that the
> write was correct with an image
> G (microsd card) 122M
> G /storage/kali/images/beaglebone-black/root 6.72G
> opened partition to find 12 folders
> So the partition is there and working. Win32 image did its job. This means
> boot problem then I found your group. Read the threads.
> I modified the text file uEnv
> Used these following values
>
> mmcdev=1
> bootpart=1:2
> mmcroot=/dev/mmcblk1p2 ro
I¹m not sure why you want to make these changes in uEnv. If the SDCard is
installed, it is mmcdev=0 and eMMC is mmcdev=1. Best to use the default uEnv
file.
If you are unsure, you can always run each command at the u-boot prompt and
see what happens. You can list files in the FAT partition with ³fatls mmc 0²
and load the uEnv.txt file with ³run loadbootenv² and ³run importbootenv²,
which updates your u-boot env. Check this with printenv. Best way to learn
is to do this step by step.
Regards,
John
>
> to replace
>
> echo Booting from external microSD...; setenv mmcdev 0; else setenv mmcdev 1;
> if test $mmc0 = 1; then setenv mmcroot /dev/mmcblk1p2 rw; fi;
> ext4load mmc 1:2 ${loadaddr} /boot/zImage && mw.l 4804c194 00c00000; echo
> Booting from internal eMMC...; fi
>
> No change. S2 button should be held until 4 leds light up - no leds light up.
> Any tips,
> Thanks
>
>
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