diff options
| author | Neo Hsueh <Hong-Chih.Hsueh@amd.com> | 2023-06-02 13:05:11 -0500 |
|---|---|---|
| committer | mergify[bot] <37929162+mergify[bot]@users.noreply.github.com> | 2023-06-07 03:13:56 +0000 |
| commit | 67fc78d026490ea4c375eeb19724abb40e7be8f2 (patch) | |
| tree | cc4cf858803b683288bf04ba7de759537a8d08db /MdeModulePkg | |
| parent | ded0b489af09cde5afa05d74acdb12cd4b4f8394 (diff) | |
| download | edk2-67fc78d026490ea4c375eeb19724abb40e7be8f2.tar.gz edk2-67fc78d026490ea4c375eeb19724abb40e7be8f2.tar.bz2 edk2-67fc78d026490ea4c375eeb19724abb40e7be8f2.zip | |
MdeModulePkg/Bus: Fix port multiplier port in AhciPei PEIM
If there is no port multiplier, PortMultiplierPort should be converted
to 0 to follow AHCI spec.
The same logic already applied in AtaAtapiPassThruDxe driver.
Signed-off-by: Neo Hsueh <Hong-Chih.Hsueh@amd.com>
Acked-by: Abner Chang <abner.chang@amd.com>
Reviewed-by: Hao A Wu <hao.a.wu@intel.com>
Diffstat (limited to 'MdeModulePkg')
| -rw-r--r-- | MdeModulePkg/Bus/Ata/AhciPei/AhciPeiPassThru.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/MdeModulePkg/Bus/Ata/AhciPei/AhciPeiPassThru.c b/MdeModulePkg/Bus/Ata/AhciPei/AhciPeiPassThru.c index cd55272c96..7bd04661d0 100644 --- a/MdeModulePkg/Bus/Ata/AhciPei/AhciPeiPassThru.c +++ b/MdeModulePkg/Bus/Ata/AhciPei/AhciPeiPassThru.c @@ -3,6 +3,7 @@ mode at PEI phase.
Copyright (c) 2019, Intel Corporation. All rights reserved.<BR>
+ Copyright (C) 2023 Advanced Micro Devices, Inc. All rights reserved.<BR>
SPDX-License-Identifier: BSD-2-Clause-Patent
@@ -92,6 +93,15 @@ AhciPassThruExecute ( {
EFI_STATUS Status;
+ if (PortMultiplierPort == 0xFFFF) {
+ //
+ // If there is no port multiplier, PortMultiplierPort will be 0xFFFF
+ // according to UEFI spec. Here, we convert its value to 0 to follow
+ // AHCI spec.
+ //
+ PortMultiplierPort = 0;
+ }
+
switch (Packet->Protocol) {
case EFI_ATA_PASS_THRU_PROTOCOL_ATA_NON_DATA:
Status = AhciNonDataTransfer (
|