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Re: [Qemu-ppc] [PATCH v3 2/2] ppc: Add aCube Sam460ex board


From: BALATON Zoltan
Subject: Re: [Qemu-ppc] [PATCH v3 2/2] ppc: Add aCube Sam460ex board
Date: Tue, 20 Feb 2018 11:09:05 +0100 (CET)
User-agent: Alpine 2.21 (BSF 202 2017-01-01)

On Tue, 20 Feb 2018, David Gibson wrote:
On Mon, Feb 19, 2018 at 11:34:25AM +0100, BALATON Zoltan wrote:
1;5002;0c> Add emulation of aCube Sam460ex board based on AMCC 460EX embedded 
SoC.
This is not a complete implementation yet with a lot of components
still missing but enough for the U-Boot firmware to start and to boot
a Linux kernel or AROS.

Signed-off-by: Fran├žois Revol <address@hidden>
Signed-off-by: BALATON Zoltan <address@hidden>

I'm not thrilled with having a machine type that can't be used without
extracting a bootloader image from somewhere, but from the other
thread that's not easy to fix.

This is not meant to be like that and I'd like to also submit the u-boot image once we figure out how to do it. Especially because the boot loader one can extract from the updater is buggy but here's a fixed binary that works here: http://zero.eik.bme.hu/~balaton/qemu/

U-Boot is GPL so we would need to include the source as well (the README in the link above contain the source URL and the patches needed are there as well). If there's no easy way to host it in the QEMU repo I could put it in my own git repo and submit a patch to use that as a submodule if that's acceptable. It seems there are some firmware images that reference external git repos already but not sure what's the preferred way.

Since we have dtc in a submodule, there's really no reason we should
be including .dtb files as well as .dts files, we should build them
ourselves.  But fixing that isn't really in scope for this patch.

I think there are already make rules to build a dtb from dts so it may be possible to build these if we can add them as a dependency somewhere. However a normal make does not build dtc for me from the submodule so I'm not sure it would work.

So, applied.

Thank you,
BALATON Zoltan

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