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IntelFrameworkModulePkg/LegacyBios: Get COM base from SerialIo parent 

Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Ruiyu Ni <ruiyu.ni@intel.com>
Reviewed-by: Eric Dong <eric.dong@intel.com>
This commit is contained in:
Ruiyu Ni 2016-06-12 15:07:17 +08:00
parent aa7f11db4d
commit faef695239
3 changed files with 15 additions and 8 deletions
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3
IntelFrameworkModulePkg/Csm/LegacyBiosDxe/LegacyBiosDxe.inf
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@ -3,7 +3,7 @@
# #
# This driver installs Legacy Bios Protocol to support CSM module work in EFI system. # This driver installs Legacy Bios Protocol to support CSM module work in EFI system.
# #
# Copyright (c) 2006 - 2014, Intel Corporation. All rights reserved.<BR> # Copyright (c) 2006 - 2016, Intel Corporation. All rights reserved.<BR>
# #
# This program and the accompanying materials # This program and the accompanying materials
# are licensed and made available under the terms and conditions # are licensed and made available under the terms and conditions
@ -133,6 +133,7 @@
gEfiLegacyInterruptProtocolGuid ## CONSUMES gEfiLegacyInterruptProtocolGuid ## CONSUMES
gEfiLegacyRegion2ProtocolGuid ## CONSUMES gEfiLegacyRegion2ProtocolGuid ## CONSUMES
gEfiLegacyBiosProtocolGuid ## PRODUCES gEfiLegacyBiosProtocolGuid ## PRODUCES
gEfiSerialIoProtocolGuid ## CONSUMES
[Pcd] [Pcd]
gEfiIntelFrameworkModulePkgTokenSpaceGuid.PcdLegacyBiosCacheLegacyRegion ## CONSUMES gEfiIntelFrameworkModulePkgTokenSpaceGuid.PcdLegacyBiosCacheLegacyRegion ## CONSUMES

3
IntelFrameworkModulePkg/Csm/LegacyBiosDxe/LegacyBiosInterface.h
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@ -1,6 +1,6 @@
/** @file /** @file
Copyright (c) 2006 - 2015, Intel Corporation. All rights reserved.<BR> Copyright (c) 2006 - 2016, Intel Corporation. All rights reserved.<BR>
This program and the accompanying materials This program and the accompanying materials
are licensed and made available under the terms and conditions are licensed and made available under the terms and conditions
@ -44,6 +44,7 @@ WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
#include <Protocol/DevicePath.h> #include <Protocol/DevicePath.h>
#include <Protocol/Legacy8259.h> #include <Protocol/Legacy8259.h>
#include <Protocol/PciRootBridgeIo.h> #include <Protocol/PciRootBridgeIo.h>
#include <Protocol/SerialIo.h>
#include <Library/BaseLib.h> #include <Library/BaseLib.h>
#include <Library/DebugLib.h> #include <Library/DebugLib.h>

17
IntelFrameworkModulePkg/Csm/LegacyBiosDxe/LegacySio.c
View File

@ -49,8 +49,7 @@ LegacyBiosBuildSioDataFromIsaIo (
UINTN EntryCount; UINTN EntryCount;
EFI_OPEN_PROTOCOL_INFORMATION_ENTRY *OpenInfoBuffer; EFI_OPEN_PROTOCOL_INFORMATION_ENTRY *OpenInfoBuffer;
EFI_BLOCK_IO_PROTOCOL *BlockIo; EFI_BLOCK_IO_PROTOCOL *BlockIo;
EFI_SERIAL_IO_PROTOCOL *SerialIo;
// //
// Get the list of ISA controllers in the system // Get the list of ISA controllers in the system
@ -137,10 +136,16 @@ LegacyBiosBuildSioDataFromIsaIo (
// We want resource for legacy even if no 32-bit driver installed // We want resource for legacy even if no 32-bit driver installed
// //
for (ChildIndex = 0; ChildIndex < EntryCount; ChildIndex++) { for (ChildIndex = 0; ChildIndex < EntryCount; ChildIndex++) {
SioSerial = &SioPtr->Serial[ResourceList->Device.UID]; if ((OpenInfoBuffer[ChildIndex].Attributes & EFI_OPEN_PROTOCOL_BY_CHILD_CONTROLLER) != 0) {
SioSerial->Address = (UINT16) IoResource->StartRange; Status = gBS->HandleProtocol (OpenInfoBuffer[ChildIndex].AgentHandle, &gEfiSerialIoProtocolGuid, (VOID **) &SerialIo);
SioSerial->Irq = (UINT8) InterruptResource->StartRange; if (!EFI_ERROR (Status)) {
SioSerial->Mode = DEVICE_SERIAL_MODE_NORMAL | DEVICE_SERIAL_MODE_DUPLEX_HALF; SioSerial = &SioPtr->Serial[ResourceList->Device.UID];
SioSerial->Address = (UINT16) IoResource->StartRange;
SioSerial->Irq = (UINT8) InterruptResource->StartRange;
SioSerial->Mode = DEVICE_SERIAL_MODE_NORMAL | DEVICE_SERIAL_MODE_DUPLEX_HALF;
break;
}
}
} }
FreePool (OpenInfoBuffer); FreePool (OpenInfoBuffer);