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Fix serial port on AMD picasso and newer#74

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CodingVoid wants to merge 4 commits intoedk2-stable202411-amdfrom
edk2-stable202411-amd-fix-serial
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Fix serial port on AMD picasso and newer#74
CodingVoid wants to merge 4 commits intoedk2-stable202411-amdfrom
edk2-stable202411-amd-fix-serial

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MrChromebox and others added 4 commits February 13, 2025 23:00
…AL_PAYLOAD_SERIAL_PORT_INFO

Signed-off-by: Matt DeVillier <matt.devillier@gmail.com>
Change-Id: I9bcaf03ab63f6a45d2cf25a580f7a2eba388cbbd
…ialInfo

Signed-off-by: Matt DeVillier <matt.devillier@gmail.com>
Change-Id: If764bd7c0b691cf887205471d0343fdf62372141
Fixes serial output on platforms using coreboot and a non-default clock rate
such as AMD Picasso and newer.

Signed-off-by: Matt DeVillier <matt.devillier@gmail.com>
Change-Id: I91290397852176754e9a34ec6e5829044f41d15a
UEFIPAYLOAD.fd should be build with
--pcd gPcAtChipsetPkgTokenSpaceGuid.PcdInitialValueRtcRegisterD=0x80
instead.

See https://review.coreboot.org/c/coreboot/+/87415

This reverts commit 72baad4.
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3 participants