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Set the acpi_ops structure as static const where applicable. The
The structure is not accessible from outside of drivers and is not
going to be modified at runtime. The structure may be unused in a
couple of drivers depending on their configuration, mark those
sites with __maybe_unused .
Signed-off-by: Marek Vasut <[email protected]>
Reviewed-by: Simon Glass <[email protected]>
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Set the ops structure as static. The structure is not accessible
from outside of this driver.
Signed-off-by: Marek Vasut <[email protected]>
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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-ref using GICV3 driver model generated MADT.
Booted on QEMU raspb4 using GICV2 driver model generated MADT.
Signed-off-by: Patrick Rudolph <[email protected]>
Reviewed-by: Simon Glass <[email protected]>
Cc: Simon Glass <[email protected]>
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Add a generic driver that binds to armv8 CPU nodes. The generic driver allows
- to enumerate CPUs present in a system, even when no other driver binds it
- generates ACPI SSDT code for each CPU
- Fill the ACPI MADT table (implemented in a follow up patch)
The newly introduced code could also be reused on other CPU drivers that are
compatible with armv8.
TEST: Booted on QEMU sbsa and verify the driver binds to CPU nodes.
Confirmed with FWTS that all ACPI processor devices are present.
Signed-off-by: Patrick Rudolph <[email protected]>
Reviewed-by: Simon Glass <[email protected]>
Cc: Tom Rini <[email protected]>
Cc: Simon Glass <[email protected]>
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