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MdeModulePkg/Xhci: Initial XHCI DCI slot's Context value

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Initialize XHCI DCI slot's context entries value.

Signed-off-by: Jiangang He <jiangang.he@amd.com>
Cc: Hao A Wu <hao.a.wu@intel.com>
Cc: Ray Ni <ray.ni@intel.com>
Cc: Garrett Kirkendall <garrett.kirkendall@amd.com>
Cc: Abner Chang <abner.chang@amd.com>
Cc: Kuei-Hung Lin <Kuei-Hung.Lin@amd.com>
Reviewed-by: Hao A Wu <hao.a.wu@intel.com>
This commit is contained in:
Abner Chang 2023-01-11 11:10:06 +08:00 committed by mergify[bot]
parent 7cd55f3009
commit 8147fe090f
2 changed files with 14 additions and 0 deletions
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7
MdeModulePkg/Bus/Pci/XhciDxe/XhciSched.c
View File

@ -4,6 +4,7 @@
Copyright (c) 2011 - 2020, Intel Corporation. All rights reserved.<BR> Copyright (c) 2011 - 2020, Intel Corporation. All rights reserved.<BR>
Copyright (c) Microsoft Corporation.<BR> Copyright (c) Microsoft Corporation.<BR>
Copyright (C) 2022 Advanced Micro Devices, Inc. All rights reserved.<BR>
SPDX-License-Identifier: BSD-2-Clause-Patent SPDX-License-Identifier: BSD-2-Clause-Patent
**/ **/
@ -2807,6 +2808,9 @@ XhcInitializeEndpointContext (
MaxDci = 0; MaxDci = 0;
NumEp = IfDesc->NumEndpoints; NumEp = IfDesc->NumEndpoints;
if (NumEp == 0) {
MaxDci = 1;
}
EpDesc = (USB_ENDPOINT_DESCRIPTOR *)(IfDesc + 1); EpDesc = (USB_ENDPOINT_DESCRIPTOR *)(IfDesc + 1);
for (EpIndex = 0; EpIndex < NumEp; EpIndex++) { for (EpIndex = 0; EpIndex < NumEp; EpIndex++) {
@ -3006,6 +3010,9 @@ XhcInitializeEndpointContext64 (
MaxDci = 0; MaxDci = 0;
NumEp = IfDesc->NumEndpoints; NumEp = IfDesc->NumEndpoints;
if (NumEp == 0) {
MaxDci = 1;
}
EpDesc = (USB_ENDPOINT_DESCRIPTOR *)(IfDesc + 1); EpDesc = (USB_ENDPOINT_DESCRIPTOR *)(IfDesc + 1);
for (EpIndex = 0; EpIndex < NumEp; EpIndex++) { for (EpIndex = 0; EpIndex < NumEp; EpIndex++) {

7
MdeModulePkg/Bus/Pci/XhciPei/XhciSched.c
View File

@ -3,6 +3,7 @@ PEIM to produce gPeiUsb2HostControllerPpiGuid based on gPeiUsbControllerPpiGuid
which is used to enable recovery function from USB Drivers. which is used to enable recovery function from USB Drivers.
Copyright (c) 2014 - 2017, Intel Corporation. All rights reserved.<BR> Copyright (c) 2014 - 2017, Intel Corporation. All rights reserved.<BR>
Copyright (C) 2022 Advanced Micro Devices, Inc. All rights reserved.<BR>
SPDX-License-Identifier: BSD-2-Clause-Patent SPDX-License-Identifier: BSD-2-Clause-Patent
@ -1752,6 +1753,9 @@ XhcPeiSetConfigCmd (
} }
NumEp = IfDesc->NumEndpoints; NumEp = IfDesc->NumEndpoints;
if ((NumEp == 0) && (MaxDci == 0)) {
MaxDci = 1;
}
EpDesc = (USB_ENDPOINT_DESCRIPTOR *)(IfDesc + 1); EpDesc = (USB_ENDPOINT_DESCRIPTOR *)(IfDesc + 1);
for (EpIndex = 0; EpIndex < NumEp; EpIndex++) { for (EpIndex = 0; EpIndex < NumEp; EpIndex++) {
@ -1974,6 +1978,9 @@ XhcPeiSetConfigCmd64 (
} }
NumEp = IfDesc->NumEndpoints; NumEp = IfDesc->NumEndpoints;
if ((NumEp == 0) && (MaxDci == 0)) {
MaxDci = 1;
}
EpDesc = (USB_ENDPOINT_DESCRIPTOR *)(IfDesc + 1); EpDesc = (USB_ENDPOINT_DESCRIPTOR *)(IfDesc + 1);
for (EpIndex = 0; EpIndex < NumEp; EpIndex++) { for (EpIndex = 0; EpIndex < NumEp; EpIndex++) {