From: lushifex <shifeix.a.lu@intel.com>
To: edk2-devel@lists.01.org
Cc: david.wei@intel.com;
Subject: [Patch][edk2-platforms/devel-MinnowBoard3] Fixed reconnect -r issue.
Date: Tue, 09 May 2017 23:49:32 -0700 [thread overview]
Message-ID: <01f727dc-461b-4bef-bdbe-8c2c4554f215@SHWDEOPENPSI011.local> (raw)
System will hang up when run reconnect -r with SD Card insert.
---
.../PlatformSettings/PlatformDxe/PciDevice.c | 33 +++++++++++++++++++++-
1 file changed, 32 insertions(+), 1 deletion(-)
diff --git a/Platform/BroxtonPlatformPkg/Common/PlatformSettings/PlatformDxe/PciDevice.c b/Platform/BroxtonPlatformPkg/Common/PlatformSettings/PlatformDxe/PciDevice.c
index b8645a2..421ac10 100644
--- a/Platform/BroxtonPlatformPkg/Common/PlatformSettings/PlatformDxe/PciDevice.c
+++ b/Platform/BroxtonPlatformPkg/Common/PlatformSettings/PlatformDxe/PciDevice.c
@@ -1,7 +1,7 @@
/** @file
Platform PCI Bus Initialization Driver.
- Copyright (c) 1999 - 2016, Intel Corporation. All rights reserved.<BR>
+ Copyright (c) 1999 - 2017, Intel Corporation. All rights reserved.<BR>
This program and the accompanying materials
are licensed and made available under the terms and conditions of the BSD License
@@ -405,6 +405,8 @@ PciBusEvent (
UINTN Index;
UINT8 mCacheLineSize = 0x10;
UINTN Seg, Bus, Dev, Fun;
+ UINT32 AcpiIoPortBaseAddr;
+ UINT32 CmdValue;
while (TRUE) {
BufferSize = sizeof (EFI_HANDLE);
@@ -448,6 +450,35 @@ PciBusEvent (
//
Status = PciIo->GetLocation (PciIo, &Seg, &Bus, &Dev, &Fun);
if ((Seg ==0) && (Bus == 0) && (Dev == 13) && (Fun == 1)) {
+ //
+ // Set PMC acpi io port address
+ //
+ AcpiIoPortBaseAddr = (UINT32) PcdGet16 (PcdScAcpiIoPortBaseAddress);
+ PciIo->Pci.Write (
+ PciIo,
+ EfiPciIoWidthUint32,
+ 0x20,
+ 1,
+ &AcpiIoPortBaseAddr
+ );
+
+ PciIo->Pci.Read (
+ PciIo,
+ EfiPciIoWidthUint8,
+ PCI_COMMAND_OFFSET,
+ 1,
+ &CmdValue
+ );
+
+ CmdValue |= BIT0;
+ PciIo->Pci.Write (
+ PciIo,
+ EfiPciIoWidthUint8,
+ PCI_COMMAND_OFFSET,
+ 1,
+ &CmdValue
+ );
+
Supports |= BIT0;
}
//
--
2.7.0.windows.1
next reply other threads:[~2017-05-10 6:58 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-05-10 6:49 lushifex [this message]
2017-05-10 7:53 ` [Patch][edk2-platforms/devel-MinnowBoard3] Fixed reconnect -r issue Wei, David
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