[Buildroot] [PATCH 0/5] Add Xilinx ZynqMP and ZCU106 board support
Peter Korsgaard
peter at korsgaard.com
Sat Jan 27 20:11:29 UTC 2018
>>>>> "Alistair" == Alistair Francis <alistair23 at gmail.com> writes:
Hi,
>> It would be nice if Xilinx could host these officially. How do they do
>> it for Yocto?
> We don't have anything nice for Yocto either. The files are behind a
> click-through license so users have to manually download them.
> There are instructions here:
> https://git.yoctoproject.org/cgit/cgit.cgi/meta-xilinx/tree/meta-xilinx-bsp/README.qemu.md
But isn't this README about the 32KB pmu boot rom code, and not the
runtime loadable pmu fw that you can build from the embeddedsw repo?
> I don't think hosting the files is a good idea. That puts you are risk
> for export compliance violations.
I agree for the rom code, but that shouldn't be needed to run on a
zcu106 board?
>> > Finally, U-Boot needs some tweaks in order for the PMU firmware to
>> > properly loaded and to initialize peripherals before starting
>> > Linux. This is done in patch 4.
>>
>> Is this now the offical supported boot flow from Xilinx? I haven't
>> followed in details, but when I assisted with a Zynqmp based project
>> last year they used Xilinx fsbl and bootgen instead of u-boot SPL.
> It's not officially supported. It is what meta-xilinx uses for QEMU boot though.
Ok. Luca, any specific reason why you are using this for real hw?
Alistair, do you know if bootgen is downloadable somewhere separately?
--
Bye, Peter Korsgaard
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