Re: [PATCH v3 20/30] drivers/arm: Implement acpi_fill_madt

From: Simon Glass
Date: Wed Sep 11 2024 - 20:58:50 EST


Hi Patrick,

On Wed, 11 Sept 2024 at 00:25, Patrick Rudolph
<patrick.rudolph@xxxxxxxxxxxxx> wrote:
>
> Fill the MADT table in the GIC driver and armv8 CPU driver to
> drop SoC specific code. While the GIC only needs devicetree
> data, the CPU driver needs additional information stored in
> the cpu_plat struct.
>
> While on it update the only board making use of the existing
> drivers and writing ACPI MADT in mainboard code.
>
> TEST: Booted on QEMU sbsa using driver model generated MADT.
> Signed-off-by: Patrick Rudolph <patrick.rudolph@xxxxxxxxxxxxx>
> Cc: Simon Glass <sjg@xxxxxxxxxxxx>
> ---
> arch/arm/lib/acpi_table.c | 1 +
> arch/arm/lib/gic-v3-its.c | 89 ++++++++++++++++++++++++++++++++++++++-
> drivers/cpu/armv8_cpu.c | 27 ++++++++++++
> include/cpu.h | 27 +++++++++++-
> 4 files changed, 141 insertions(+), 3 deletions(-)

Reviewed-by: Simon Glass <sjg@xxxxxxxxxxxx>

Are the GIC values available by probing, or are they just 'known', and
dependent on the compatible string?

Regards,
Simon