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83a2f4a8d2
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 <patrick.rudolph@9elements.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
Cc: Tom Rini <trini@konsulko.com>
Cc: Simon Glass <sjg@chromium.org>
48 lines
1.2 KiB
Plaintext
48 lines
1.2 KiB
Plaintext
config CPU
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bool "Enable CPU drivers using Driver Model"
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help
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This allows drivers to be provided for CPUs and their type to be
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specified in the board's device tree. For boards which support
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multiple CPUs, then normally have to be set up in U-Boot so that
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they can work correctly in the OS. This provides a framework for
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finding out information about available CPUs and making changes.
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config CPU_IMX
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bool "Enable i.MX CPU driver"
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depends on CPU && ARM64
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help
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Support CPU cores for SoCs of the i.MX series.
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config CPU_MPC83XX
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bool "Enable MPC83xx CPU driver"
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depends on CPU && MPC83xx
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select CLK_MPC83XX
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help
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Support CPU cores for SoCs of the MPC83xx series.
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config CPU_RISCV
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bool "Enable RISC-V CPU driver"
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depends on CPU && RISCV
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help
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Support CPU cores for RISC-V architecture.
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config CPU_ARMV8
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bool "Enable generic ARMv8 CPU driver"
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depends on CPU && ARM64
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help
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Support CPU cores for armv8 architecture.
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config CPU_MICROBLAZE
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bool "Enable Microblaze CPU driver"
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depends on CPU && MICROBLAZE
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select DM_EVENT
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select XILINX_MICROBLAZE0_PVR
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help
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Support CPU cores for Microblaze architecture.
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config CPU_XTENSA
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bool "Enable Xtensa CPU driver"
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depends on CPU && XTENSA
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help
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Support CPU cores for Xtensa architecture.
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