[PATCH v4 23/35] drivers/arm: Implement acpi_fill_madt

Simon Glass sjg at chromium.org
Thu Sep 19 16:11:49 CEST 2024


On Wed, 18 Sept 2024 at 17:22, Patrick Rudolph
<patrick.rudolph at 9elements.com> wrote:
>
> Fill the MADT table in the GICV3 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-ref using GICV3 driver model generated MADT.
>       Booted on QEMU raspb4 using GICV2 driver model generated MADT.
>
> Signed-off-by: Patrick Rudolph <patrick.rudolph at 9elements.com>
> Cc: Simon Glass <sjg at chromium.org>
> ---
> Changelog v4:
> - Read everything from the DT
> - Export armv8_cpu_fill_madt() to use it in other CPU drivers
> - Depend on IRQ
>
> ---
>  arch/arm/lib/gic-v3-its.c | 89 ++++++++++++++++++++++++++++++++++++++-
>  drivers/cpu/Kconfig       |  1 +
>  drivers/cpu/armv8_cpu.c   | 80 ++++++++++++++++++++++++++++++++++-
>  drivers/cpu/armv8_cpu.h   | 10 +++++
>  4 files changed, 178 insertions(+), 2 deletions(-)
>

Reviewed-by: Simon Glass <sjg at chromium.org>

I'm still not sure why you are using u64 instead of ulong?


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