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Re: [Qemu-devel] [PATCH 6/9] hw/arm/bcm2836: Create proper bcm2837 devic


From: Andrew Baumann
Subject: Re: [Qemu-devel] [PATCH 6/9] hw/arm/bcm2836: Create proper bcm2837 device
Date: Tue, 13 Mar 2018 16:47:30 +0000

> From: Peter Maydell <address@hidden>
> Sent: Tuesday, 13 March 2018 08:35
> 
> The bcm2837 is pretty similar to the bcm2836, but it does have
> some differences. Notably, the MPIDR affinity aff1 values it
> sets for the CPUs are 0x0, rather than the 0xf that the bcm2836
> uses, and if this is wrong Linux will not boot.
> 
> Rather than trying to have one device with properties that
> configure it differently for the two cases, create two
> separate QOM devices for the two SoCs. We use the same approach
> as hw/arm/aspeed_soc.c and share code and have a data table
> that might differ per-SoC. For the moment the two types don't
> actually have different behaviour.
> 
> Signed-off-by: Peter Maydell <address@hidden>
> ---
>  include/hw/arm/bcm2836.h | 19 +++++++++++++++++++
>  hw/arm/bcm2836.c         | 37 ++++++++++++++++++++++++++++++++-----
>  hw/arm/raspi.c           |  3 ++-
>  3 files changed, 53 insertions(+), 6 deletions(-)

I haven't tried to understand enough of QOM to review this one... (It looks 
sane to me though.)

Andrew



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