X-Git-Url: https://git.proxmox.com/?a=blobdiff_plain;f=QuarkPlatformPkg%2FPci%2FDxe%2FPciHostBridge%2FPciHostBridgeSupport.c;fp=QuarkPlatformPkg%2FPci%2FDxe%2FPciHostBridge%2FPciHostBridgeSupport.c;h=0000000000000000000000000000000000000000;hb=5347c48016f27061475fdb053e867a06ce73492f;hp=774d658f3a5073b0f2b9ce1c0c7593d9587a5a58;hpb=96ef5a8e30a8da33eaab09f13cc8d752342717a5;p=mirror_edk2.git diff --git a/QuarkPlatformPkg/Pci/Dxe/PciHostBridge/PciHostBridgeSupport.c b/QuarkPlatformPkg/Pci/Dxe/PciHostBridge/PciHostBridgeSupport.c deleted file mode 100644 index 774d658f3a..0000000000 --- a/QuarkPlatformPkg/Pci/Dxe/PciHostBridge/PciHostBridgeSupport.c +++ /dev/null @@ -1,140 +0,0 @@ -/** @file -Do platform initialization for PCI bridge. - -Copyright (c) 2013-2015 Intel Corporation. - -SPDX-License-Identifier: BSD-2-Clause-Patent - - -**/ - -#include "PciHostBridge.h" - -EFI_PCI_ROOT_BRIDGE_IO_PROTOCOL *mPciRootBridgeIo; - -EFI_STATUS -ChipsetPreprocessController ( - IN EFI_PCI_HOST_BRIDGE_RESOURCE_ALLOCATION_PROTOCOL *This, - IN EFI_HANDLE RootBridgeHandle, - IN EFI_PCI_ROOT_BRIDGE_IO_PROTOCOL_PCI_ADDRESS PciAddress, - IN EFI_PCI_CONTROLLER_RESOURCE_ALLOCATION_PHASE Phase - ) -/*++ - -Routine Description: - This function is called for all the PCI controllers that the PCI - bus driver finds. Can be used to Preprogram the controller. - -Arguments: - This -- The EFI_PCI_HOST_BRIDGE_RESOURCE_ALLOCATION_ PROTOCOL instance - RootBridgeHandle -- The PCI Root Bridge handle - PciBusAddress -- Address of the controller on the PCI bus - Phase -- The Phase during resource allocation - -Returns: - EFI_SUCCESS - ---*/ - -// GC_TODO: PciAddress - add argument and description to function comment -// -// GC_TODO: PciAddress - add argument and description to function comment -// -// GC_TODO: PciAddress - add argument and description to function comment -// -// GC_TODO: PciAddress - add argument and description to function comment -// -{ - - EFI_STATUS Status; - UINT8 Latency; - UINT8 CacheLineSize; - - if (mPciRootBridgeIo == NULL) { - // - // Get root bridge in the system. - // - Status = gBS->HandleProtocol (RootBridgeHandle, &gEfiPciRootBridgeIoProtocolGuid, (VOID **) &mPciRootBridgeIo); - ASSERT_EFI_ERROR (Status); - } - - if (Phase == EfiPciBeforeResourceCollection) { - // - // Program the latency register, CLS register - // - PciAddress.Register = PCI_LATENCY_TIMER_OFFSET; - mPciRootBridgeIo->Pci.Read ( - mPciRootBridgeIo, - EfiPciWidthUint8, - *((UINT64 *) &PciAddress), - 1, - &Latency - ); - - // - // PCI-x cards come up with a default latency of 0x40. Don't touch them. - // - if (Latency == 0) { - Latency = DEFAULT_PCI_LATENCY; - mPciRootBridgeIo->Pci.Write ( - mPciRootBridgeIo, - EfiPciWidthUint8, - *((UINT64 *) &PciAddress), - 1, - &Latency - ); - } - // - // Program Cache Line Size as 64bytes - // 16 of DWORDs = 64bytes (0x10) - // - PciAddress.Register = PCI_CACHELINE_SIZE_OFFSET; - CacheLineSize = 0x10; - mPciRootBridgeIo->Pci.Write ( - mPciRootBridgeIo, - EfiPciWidthUint8, - *((UINT64 *) &PciAddress), - 1, - &CacheLineSize - ); - - } - - return EFI_SUCCESS; -} - -UINT64 -GetAllocAttributes ( - IN UINTN RootBridgeIndex - ) -/*++ - -Routine Description: - - Returns the Allocation attributes for the BNB Root Bridge. - -Arguments: - - RootBridgeIndex - The root bridge number. 0 based. - -Returns: - - EFI_PCI_HOST_BRIDGE_COMBINE_MEM_PMEM | EFI_PCI_HOST_BRIDGE_MEM64_DECODE - ---*/ -{ - // - // Cannot have more than one Root bridge - // - //ASSERT (RootBridgeIndex == 0); - - // - // PCI Root Bridge does not support separate windows for Non-prefetchable - // and Prefetchable memory. A PCI bus driver needs to include requests for - // Prefetchable memory in the Non-prefetchable memory pool. - // Further TNB does not support 64 bit memory apertures for PCI. BNB - // can only have system memory above 4 GB, - // - - return EFI_PCI_HOST_BRIDGE_COMBINE_MEM_PMEM | EFI_PCI_HOST_BRIDGE_MEM64_DECODE; -}