Reviewed-by: zwei4 <david....@intel.com> Thanks, David Wei
-----Original Message----- From: Lu, ShifeiX A Sent: Wednesday, May 10, 2017 2:58 PM To: edk2-devel@lists.01.org Cc: Wei, David <david....@intel.com> Subject: [Patch][edk2-platforms/devel-MinnowBoard3] Fixed reconnect -r issue. 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 _______________________________________________ edk2-devel mailing list edk2-devel@lists.01.org https://lists.01.org/mailman/listinfo/edk2-devel