-------------------------------------------- On Thu, 12/29/16, William Hermans <[email protected]> wrote:
Subject: Re: [beagleboard] U-Boot overlays (HERE BE EVIL DRAGONS, AND THEY BE HUNGRY) ;) To: [email protected], "Robert Nelson" <[email protected]> Date: Thursday, December 29, 2016, 1:27 AM Anyway, this is pretty slick. How long do you figure it'll take before this functionality come into the default uboot ? On Wed, Dec 28, 2016 at 9:36 AM, William Hermans <[email protected]> wrote: Robert, Have you created a script that removes all the unnecessary kernel modules loaded superfluously at boot ? I mean there are a lot of them, and I'd say that 99% of them in most cases will just be wasting a lot of memory . . . On Wed, Dec 28, 2016 at 9:34 AM, William Hermans <[email protected]> wrote: Ok so from a fresh emmc flashing( slightly modified rootfs on the flasher image) debian@beaglebone:~$ rm /uEnv.txt rm: cannot remove '/uEnv.txt': No such file or directory debian@beaglebone:~$ sudo apt-get update debian@beaglebone:~$ sudo apt-get install git debian@beaglebone:~$ cd /opt/scripts/tools/developers/ debian@beaglebone:/opt/scripts /tools/developers$ git pull debian@beaglebone:/opt/scripts /tools/developers$ sudo ./update_bootloader.sh --use-beta-bootloader debian@beaglebone:/opt/scripts /tools/developers$ sudo reboot U-Boot 2017.01-rc2-00002-g52b3c56009 (Dec 23 2016 - 16:22:21 -0600), Build: jenkins-github_Bootloader-Buil der-493 debian@beaglebone:~$ sudo nano /boot/uEnv.txt ##BeagleBone Black: HDMI (Audio/Video) disabled: dtb=am335x-boneblack-emmc-over lay.dtb dtb_overlay=/lib/firmware/BB-W 1-P8.26-00A0.dtbo cmdline=coherent_pool=1M quiet debian@beaglebone:~$ sudo reboot debian@beaglebone:~$ cat /sys/bus/w1/devices/28-0000064 7ddf6/w1_slave 0b 01 4b 46 7f ff 05 10 a8 : crc=a8 YES 0b 01 4b 46 7f ff 05 10 a8 t=16687 One minor thing of concern - "evm" : Are you 100% sure, on selecting [am335x_evm] (y/n)? y log: dd if=/tmp/tmp.HPy1G6iV9J/dl/MLO- am335x_evm-v2017.01-rc2-r4 of=/dev/mmcblk0 seek=1 bs=128k 0+1 records in 0+1 records out 68504 bytes (69 kB) copied, 0.00287351 s, 23.8 MB/s log: dd if=/tmp/tmp.HPy1G6iV9J/dl/u-bo ot-am335x_evm-v2017.01-rc2-r4. img of=/dev/mmcblk0 seek=1 bs=384k On Wed, Dec 28, 2016 at 8:52 AM, William Hermans <[email protected]> wrote: Well, I'm not sure why I should be testing then. I do not have an LCD cape, and probably never will. But I figured I could test my custom cape at boot *AFTER* I get something like 1-wire to load at boot. e.g. the is infinitely easier to test, and something I could also test in hardware right away. On Wed, Dec 28, 2016 at 8:27 AM, Robert Nelson <[email protected]> wrote: On Wed, Dec 28, 2016 at 9:25 AM, William Hermans <[email protected]> wrote: > On Wed, Dec 28, 2016 at 8:23 AM, Robert Nelson <[email protected]> > wrote: >> >> On Wed, Dec 28, 2016 at 9:10 AM, William Hermans <[email protected]> >> wrote: >> > So what you're telling me that testing for different boards is >> > irrelevant ? >> >> That is correct. This feature has been enabled in our version of >> u-boot since last October or so... So we know those boards work. >> >> Just finally figured out the missing piece to actually load an overlay >> on top of the main dtb.. > > > sweet. Do tell ;) "fdt resize" Regards, -- Robert Nelson https://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 beagleboard+unsubscribe@google groups.com. To view this discussion on the web visit https://groups.google.com/d/ms gid/beagleboard/CAOCHtYgemJazx %3Dg2qndYNmGF%2BPs%2BK%3DAE47_ Z6Vv6H03kYJO%3D6A%40mail.gmail .com. For more options, visit https://groups.google.com/d/op tout. -- 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]. To view this discussion on the web visit https://groups.google.com/d/msgid/beagleboard/CALHSORpa-OLfZLFc1nshG541EBqfCtGX%3DT7J5DgHY1-pnmY4Bw%40mail.gmail.com. For more options, visit https://groups.google.com/d/optout. sistenta unui popor insa nu se discuta se afirma -- 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]. To view this discussion on the web visit https://groups.google.com/d/msgid/beagleboard/1323274483.3012623.1482972286125%40mail.yahoo.com. For more options, visit https://groups.google.com/d/optout.
