PR created - https://github.com/tianocore/edk2/pull/5513
LGTM but I can't check it against UPL.
@Dong, Guo <guo.d...@intel.com> Would you be able to take a look please'?
On Wed, 4 Oct 2023 at 21:02, MrChromebox <matt.devill...@gmail.com> wrote:
> Fixes serial output on platforms using coreboot and a non-default
> clock rate such as AMD Picasso and newer Zen-based platforms.
>
> Signed-off-by: Matt DeVillier <matt.devill...@gmail.com>
> Change-Id: I91290397852176754e9a34ec6e5829044f41d15a
> ---
> UefiPayloadPkg/Library/PlatformHookLib/PlatformHookLib.c | 5 +++++
> UefiPayloadPkg/Library/PlatformHookLib/PlatformHookLib.inf | 1 +
> 2 files changed, 6 insertions(+)
>
> diff --git a/UefiPayloadPkg/Library/PlatformHookLib/PlatformHookLib.c
> b/UefiPayloadPkg/Library/PlatformHookLib/PlatformHookLib.c
> index 60a17b8fc2..e3d47ac2fa 100644
> --- a/UefiPayloadPkg/Library/PlatformHookLib/PlatformHookLib.c
> +++ b/UefiPayloadPkg/Library/PlatformHookLib/PlatformHookLib.c
> @@ -90,6 +90,11 @@ PlatformHookSerialPortInitialize (
> return Status;
> }
>
> + Status = PcdSet32S (PcdSerialClockRate, SerialPortInfo->ClockRate);
> + if (RETURN_ERROR (Status)) {
> + return Status;
> + }
> +
> return RETURN_SUCCESS;
> }
>
> diff --git a/UefiPayloadPkg/Library/PlatformHookLib/PlatformHookLib.inf
> b/UefiPayloadPkg/Library/PlatformHookLib/PlatformHookLib.inf
> index 7ac6bfa1b1..e2908cfbca 100644
> --- a/UefiPayloadPkg/Library/PlatformHookLib/PlatformHookLib.inf
> +++ b/UefiPayloadPkg/Library/PlatformHookLib/PlatformHookLib.inf
> @@ -38,3 +38,4 @@
> gEfiMdeModulePkgTokenSpaceGuid.PcdSerialRegisterBase ## PRODUCES
> gEfiMdeModulePkgTokenSpaceGuid.PcdSerialBaudRate ## PRODUCES
> gEfiMdeModulePkgTokenSpaceGuid.PcdSerialRegisterStride ## PRODUCES
> + gEfiMdeModulePkgTokenSpaceGuid.PcdSerialClockRate ## PRODUCES
> --
> 2.34.1
>
>
>
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