[Buildroot] Buildroot for Texas Instruments AM65X - add 2nd toolchain?
Whitney, Scott
scwhitn at amazon.com
Thu Oct 10 15:56:08 UTC 2019
Thanks, Thomas,
Please excuse the dumb question. Since I am a "newbie" to Buildroot, what is the proper method to obtain and apply this patch and use it? Or does that need to wait until you do your rework?
Many thanks,
Scott
________________________________________
From: buildroot <buildroot-bounces at busybox.net> on behalf of Thomas Petazzoni <thomas.petazzoni at bootlin.com>
Sent: Thursday, October 10, 2019 10:33 AM
To: Whitney, Scott
Cc: buildroot at busybox.net
Subject: Re: [Buildroot] Buildroot for Texas Instruments AM65X - add 2nd toolchain?
Hello Scott,
On Thu, 10 Oct 2019 13:56:45 +0000
"Whitney, Scott" <scwhitn at amazon.com> wrote:
> We'd also like to create U-Boot, but for the AM65X, U-Boot has at
> least one piece (tiboot3.bin) that runs on a 32-bit ARM R5 core,
> requiring a 32-bit ARM cross-compiler. That piece configures some
> hardware like the DRAM controller and then loads some 64-bit code
> U-Boot code into DRAM, after which an A53 64-bit core starts running
> it.
This piece of software is bare metal, so there's no need for a Linux
capable toolchain. We have the same problem on other platforms.
A patch series was submitted in February tosolve this problem:
http://lists.busybox.net/pipermail/buildroot/2019-February/242251.html
People keep asking for this. I guess I should take my evening tonight
to finally rework this patch series, and send a new iteration of it.
> Has anyone used Buildroot with the AM65X? Is it feasible to
> build/configure a 2nd toolchain (32-bit ARM) within Buildroot,
> possibly as an additional host package?
See the above patch series, which does exactly that.
Best regards,
Thomas
--
Thomas Petazzoni, CTO, Bootlin
Embedded Linux and Kernel engineering
https://bootlin.com
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