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authorCoolStar <coolstarorganization@gmail.com>2023-10-17 10:53:20 -0700
committerFelix Held <felix-coreboot@felixheld.de>2023-10-25 16:50:19 +0000
commit970a62fcf96593613d8396b49301927efe847cce (patch)
treed52c6ba1c851b5de268c3b7eafbe8fabdc1df649 /payloads/coreinfo
parent05a50d7e133c46bdad68ed5aba9991f965feb498 (diff)
soc/amd/common: Add ACP device to common block graphics driver
Supports a brand new ACP driver for STONEY / Grunt chromebooks. AMD's Audio CoProcessor handles i2s/tdm audio, and is located on the GPU. On Windows the PCIe device for the GPU is owned by the AMD proprietary driver, hence a separate device has to be added for the ACP driver. Fortunately since IOMMU is disabled on STONEY, the driver itself can pull BAR5 from the GPU and use that to initialize, so no special configuration is required in ACPI other than the ID. Change-Id: I0e31c3b31fa9fb99578c04b79fce2d8c1d695561 Signed-off-by: CoolStar <coolstarorganization@gmail.com> Reviewed-on: https://review.coreboot.org/c/coreboot/+/78430 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Felix Held <felix-coreboot@felixheld.de>
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