Buildroot for ODROID-C2

daggs · Post by **daggs** » Fri Sep 09, 2016 2:57 am

can you please explain what do you need which can be found in the HK's buildroot and not in latest buildroot?
from what I can see, the hk buildroot has one commit (initial). it seems illogical that something differs in version unless this is a bug in the initial commit.

gahabana · Post by **gahabana** » Fri Sep 30, 2016 10:35 pm

hi all,
as documented before in this thread - hardkernel buildroot is 'old' and it fails with messages as per post before.
on the other side buildroot github does have more 'up2date' ondroidc2 configuration, and it builds (adter make odroidc2_defconfig and make) successfully but if you put image on the SDcard - it does not boot (kernel never turns-on and heartbeat blue-led never starts blinking).
So, sadly, i think buildroot and odroid-c2 have no love and we just can not use it.

Brian.K · Post by **Brian.K** » Tue Oct 04, 2016 10:13 am

Hello, @gahabana,
It is a u-boot build fail issue due to added bl301 firmware source code.
You need arm-none-eabi-gcc (ver. 4.9). Please refer to this link.

daggs · Post by **daggs** » Thu Oct 06, 2016 6:14 am

Greetings gahabana,

I can verify that latest buildroot with defconfig and it is indeed broken.
I'll consult with the community on how to find the problematic commit.

on the other hand, if you checkout commit 61b6abb2a2198d0a659d305ac3dd813a1f900aa1 you'll get a working defconfig.
that is the last commit I did to the buildroot regarding odroidc2.

hope this helps.

Brian.K · Post by **Brian.K** » Thu Oct 06, 2016 10:11 am

The buildsystem in C2 u-boot will be changed in order to solve the buildroot build problem and other issues.
And the new buildroot will be released based on Amlogic 2016.08.16 buildroot in the near future.

daggs · Post by **daggs** » Fri Oct 07, 2016 3:53 pm

Greetings Brian,

according to the link below and confirmed in testing after commit 61f29bb518e28ed69d94e87c5f5c8cabe001ec5a is isn't possible to build uboot with normal gcc.
would the newer uboot version fixes this?
if not, is there any plans to bring back support for normal gcc?

in normal gcc, I mean gcc what isn't pre built arm-none-eabi-gcc and one that can be build with buildroot.

thanks.

Brian.K · Post by **Brian.K** » Fri Oct 07, 2016 5:09 pm

daggs wrote:Greetings Brian,

according to the link below and confirmed in testing after commit 61f29bb518e28ed69d94e87c5f5c8cabe001ec5a is isn't possible to build uboot with normal gcc.
would the newer uboot version fixes this?
if not, is there any plans to bring back support for normal gcc?

in normal gcc, I mean gcc what isn't pre built arm-none-eabi-gcc and one that can be build with buildroot.

thanks.

I am considering to add prebuilt binaries in the u-boot. If you have any good idea about this issue, please let me know it.

daggs · Post by **daggs** » Fri Oct 07, 2016 5:27 pm

Brian.K wrote:
daggs wrote:Greetings Brian,

according to the link below and confirmed in testing after commit 61f29bb518e28ed69d94e87c5f5c8cabe001ec5a is isn't possible to build uboot with normal gcc.
would the newer uboot version fixes this?
if not, is there any plans to bring back support for normal gcc?

in normal gcc, I mean gcc what isn't pre built arm-none-eabi-gcc and one that can be build with buildroot.

thanks.
I am considering to add prebuilt binaries in the u-boot. If you have any good idea about this issue, please let me know it.

do you mean you wish to provide only prepared binaries instead of uboot source?

Brian.K · Post by **Brian.K** » Fri Oct 07, 2016 6:01 pm

daggs wrote:
Brian.K wrote:
daggs wrote:Greetings Brian,

according to the link below and confirmed in testing after commit 61f29bb518e28ed69d94e87c5f5c8cabe001ec5a is isn't possible to build uboot with normal gcc.
would the newer uboot version fixes this?
if not, is there any plans to bring back support for normal gcc?

in normal gcc, I mean gcc what isn't pre built arm-none-eabi-gcc and one that can be build with buildroot.

thanks.
I am considering to add prebuilt binaries in the u-boot. If you have any good idea about this issue, please let me know it.
do you mean you wish to provide only prepared binaries instead of uboot source?

No, there are firmware binary(bl301). I think reverting 61f29bb518e28ed69d94e87c5f5c8cabe001ec5a commit and then creating new bl301 repo are better approach. I will discuss with @Joy about this.

daggs · Post by **daggs** » Fri Oct 07, 2016 6:09 pm

Brian.K wrote:
daggs wrote:
Brian.K wrote:
daggs wrote:Greetings Brian,

according to the link below and confirmed in testing after commit 61f29bb518e28ed69d94e87c5f5c8cabe001ec5a is isn't possible to build uboot with normal gcc.
would the newer uboot version fixes this?
if not, is there any plans to bring back support for normal gcc?

in normal gcc, I mean gcc what isn't pre built arm-none-eabi-gcc and one that can be build with buildroot.

thanks.
I am considering to add prebuilt binaries in the u-boot. If you have any good idea about this issue, please let me know it.
do you mean you wish to provide only prepared binaries instead of uboot source?
No, there are firmware binary(bl301). I think reverting 61f29bb518e28ed69d94e87c5f5c8cabe001ec5a commit and then creating new bl301 repo are better approach. I will discuss with @Joy about this.

if may I ask, what is the purpose of that firmware binary?

Brian.K · Post by **Brian.K** » Mon Oct 10, 2016 10:55 am

According to the source code, Bl301 provides getting/setting dvfs, entering suspend/poweroff mode and resume.

Brian.K · Post by **Brian.K** » Fri Oct 14, 2016 11:43 am

The build fail issue due to u-boot was fixed.

daggs · Post by **daggs** » Fri Oct 14, 2016 8:27 pm

Brian.K wrote:The build fail issue due to u-boot was fixed.

e.g. it is possible to build latest uboot with any compiler?
if so, this means that Bl301 is supported?

Post by **odroid** » Thu Nov 17, 2016 5:54 pm

You can build the u-boot on any platform since we uploaded a prebuilt BL301 binary in the github.
But you still need x86 Linux PC to build the BL301.
Refer this guide.
http://odroid.com/dokuwiki/doku.php?id= ... ot#u-boot1

Brian.K · Post by **Brian.K** » Fri Nov 18, 2016 5:03 pm

2016.11 Release
Changes since 2016.04
* Based on amlogic buildroot 2016.08.18/upstream buildroot 2016.05
* Rootfs partition auto resizing as Ubuntu
* Framebuffer console support
* Compact the image size
* kplayer is removed
* c2play command line video player is added - Thank you, @crashoverride!
- c2play forum thread: http://forum.odroid.com/viewtopic.php?f=136&t=23143
[youtube]https://www.youtube.com/watch?v=rocCTcPPBO0[/youtube]

Release URL: https://github.com/hardkernel/buildroot ... ag/2016.11
Git repository: https://github.com/hardkernel/buildroot
Pre-built image download: https://mega.nz/#!qttjFLaR!OqWXuc7w36f4 ... tVvFbvByKA
(md5sum: 7e9035f92b747e062f0da9ad3d7211a1 sdcard.img)

Brian.K · Post by **Brian.K** » Fri Nov 18, 2016 5:24 pm

Rootfs size