Reviewed-by: Gua Guo <gua....@intel.com>
-----Original Message-----
From: Chen, Gang C <gang.c.c...@intel.com>
Sent: Monday, January 8, 2024 3:26 PM
To: devel@edk2.groups.io
Cc: Guo, Gua <gua....@intel.com>; Dong, Guo <guo.d...@intel.com>; Lu, James
<james...@intel.com>; Rhodes, Sean <sean@starlabs.systems>; Chen, Gang C
<gang.c.c...@intel.com>
Subject: [PATCH 1/1] UefiPayloadPkg/UefiPayloadEntry: Remove SCI enabling check
It's too early to check the SCI enable status, which is set in the BDS phase
ususally. Remove the check from UPL.
Signed-off-by: Gang Chen <gang.c.c...@intel.com>
Cc: Gua Guo <gua....@intel.com>
Cc: Guo Dong <guo.d...@intel.com>
Cc: James Lu <james...@intel.com>
Cc: Sean Rhodes <sean@starlabs.systems>
---
UefiPayloadPkg/UefiPayloadEntry/AcpiTable.c | 38 ---------------------
1 file changed, 38 deletions(-)
diff --git a/UefiPayloadPkg/UefiPayloadEntry/AcpiTable.c
b/UefiPayloadPkg/UefiPayloadEntry/AcpiTable.c
index 1b9208b6d3..748728981a 100644
--- a/UefiPayloadPkg/UefiPayloadEntry/AcpiTable.c
+++ b/UefiPayloadPkg/UefiPayloadEntry/AcpiTable.c
@@ -134,44 +134,6 @@ Done:
ASSERT (Fadt->Pm1aEvtBlk != 0); ASSERT (Fadt->Gpe0Blk != 0); -
DEBUG_CODE_BEGIN ();- BOOLEAN SciEnabled;-- //- // Check the consistency of
SCI enabling- //-- //- // Get SCI_EN value- //- if (Fadt->Pm1CntLen == 4)
{- SciEnabled = (IoRead32 (Fadt->Pm1aCntBlk) & BIT0) ? TRUE : FALSE;- }
else {- //- // if (Pm1CntLen == 2), use 16 bit IO read;- // if
(Pm1CntLen != 2 && Pm1CntLen != 4), use 16 bit IO read as a fallback- //-
SciEnabled = (IoRead16 (Fadt->Pm1aCntBlk) & BIT0) ? TRUE : FALSE;- }-- if
(!(Fadt->Flags & EFI_ACPI_5_0_HW_REDUCED_ACPI) &&- (Fadt->SmiCmd == 0) &&-
!SciEnabled)- {- //- // The ACPI enabling status is inconsistent:
SCI is not enabled but ACPI- // table does not provide a means to enable it
through FADT->SmiCmd- //- DEBUG ((- DEBUG_ERROR,- "ERROR: The
ACPI enabling status is inconsistent: SCI is not"- " enabled but the ACPI
table does not provide a means to enable it through FADT->SmiCmd."- " This
may cause issues in OS.\n"- ));- }-- DEBUG_CODE_END ();- return
RETURN_SUCCESS; } --
2.40.1
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