soc/intel/apollolake: Implement _PIC method into ACPI
The _PIC method is called by the OS to choose between interrupt routing via the i8259 interrupt controller or the APIC. Change-Id: I2bc16f9c096c095c02de3692e76c0906cec54cb5 Signed-off-by: Mario Scheithauer <mario.scheithauer@siemens.com> Reviewed-on: https://review.coreboot.org/20617 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net> Reviewed-by: Aaron Durbin <adurbin@chromium.org>
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/* Enable ACPI _SWS methods */
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#include <soc/intel/common/acpi/acpi_wake_source.asl>
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#include <soc/intel/common/acpi/platform.asl>
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Name(\PICM, Zero) // IOAPIC/8259
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/*
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* The _PIC method is called by the OS to choose between interrupt
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* routing via the i8259 interrupt controller or the APIC.
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*
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* _PIC is called with a parameter of 0 for i8259 configuration and
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* with a parameter of 1 for Local Apic/IOAPIC configuration.
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*/
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Method (_PIC, 1)
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{
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/* Remember the OS' IRQ routing choice. */
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Store (Arg0, PICM)
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}
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