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authorShuo Liu <shuo.liu@intel.com>2024-03-21 21:22:03 +0800
committerLean Sheng Tan <sheng.tan@9elements.com>2024-04-01 08:06:46 +0000
commitf4a12e1d39a097e17007ef11ccf784c2a42f1924 (patch)
treef06ebdc31efb373d8495409e56c0e3588aaf01b8 /src/vendorcode/intel
parent96d7524ee69f07cc54ecf5527953380c8c5f5c48 (diff)
acpi: Add acpigen_write_OSC_pci_domain
Add dynamic PCI domain _OSC ASL generation codes, supporting both PCIe and CXL domains. Dynamic SSDT generation is used to generate a list of ASL device objects based on FSP outputs (e.g. the SoC/SKU configurations) and _OSC is a method inside these objects (hence it would be straightforward to be generated altogether, plus some C codes managed boot configs could be referenced as well). This usage is optional. It is helpful for cases where the same code set supports multiple SKUs/SoCs (difficult to be handled by one set of static SSDT), and the CPU performance is good enough to run SSDT generation logics with minimal costs. TEST=intel/archercity CRB Tested with https://review.coreboot.org/c/coreboot/+/81377. Change-Id: I711ce5350d718e47feb2912555108801ad7f918d Signed-off-by: Shuo Liu <shuo.liu@intel.com> Reviewed-on: https://review.coreboot.org/c/coreboot/+/81375 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Patrick Rudolph <patrick.rudolph@9elements.com>
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