mirror of https://github.com/acidanthera/audk.git
* Modify various PCI register settings for OVMF.
* Clear the screen following connect-all so the logo does not appear over the shell text. git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@8691 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
jljusten
parent
85f8bc32d4
commit
40f2c45434
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@ -15,6 +15,24 @@
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#include "BdsPlatform.h"
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//
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// Global data
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//
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VOID *mEfiDevPathNotifyReg;
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EFI_EVENT mEfiDevPathEvent;
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//
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// Function prototypes
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//
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VOID
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InstallDevicePathCallback (
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VOID
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);
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//
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// BDS Platform Functions
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//
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@ -39,6 +57,7 @@ Returns:
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--*/
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{
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DEBUG ((EFI_D_INFO, "PlatformBdsInit\n"));
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InstallDevicePathCallback ();
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}
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@ -594,42 +613,47 @@ PciInitialization (
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)
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{
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//
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// Device 0 Function 0
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// Bus 0, Device 0, Function 0 - Host to PCI Bridge
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//
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PciWrite8 (PCI_LIB_ADDRESS (0,0,0,0x3c), 0x00);
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PciWrite8 (PCI_LIB_ADDRESS (0, 0, 0, 0x3c), 0x00);
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//
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// Device 1 Function 0
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// Bus 0, Device 1, Function 0 - PCI to ISA Bridge
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//
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PciWrite8 (PCI_LIB_ADDRESS (0,1,0,0x3c), 0x00);
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PciWrite8 (PCI_LIB_ADDRESS (0,1,0,0x60), 0x8b);
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PciWrite8 (PCI_LIB_ADDRESS (0,1,0,0x61), 0x89);
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PciWrite8 (PCI_LIB_ADDRESS (0,1,0,0x62), 0x0a);
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PciWrite8 (PCI_LIB_ADDRESS (0,1,0,0x63), 0x89);
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//PciWrite8 (PCI_LIB_ADDRESS (0,1,0,0x82), 0x02);
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PciWrite8 (PCI_LIB_ADDRESS (0, 1, 0, 0x3c), 0x00);
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PciWrite8 (PCI_LIB_ADDRESS (0, 1, 0, 0x60), 0x0b);
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PciWrite8 (PCI_LIB_ADDRESS (0, 1, 0, 0x61), 0x09);
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PciWrite8 (PCI_LIB_ADDRESS (0, 1, 0, 0x62), 0x0b);
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PciWrite8 (PCI_LIB_ADDRESS (0, 1, 0, 0x63), 0x09);
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//
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// Device 1 Function 1
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// Bus 0, Device 1, Function 1 - IDE Controller
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//
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PciWrite8 (PCI_LIB_ADDRESS (0,1,1,0x3c), 0x00);
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PciWrite8 (PCI_LIB_ADDRESS (0, 1, 1, 0x3c), 0x00);
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PciWrite8 (PCI_LIB_ADDRESS (0, 1, 1, 0x0d), 0x40);
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//
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// Device 1 Function 3
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// Bus 0, Device 1, Function 3 - Power Managment Controller
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//
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PciWrite8 (PCI_LIB_ADDRESS (0,1,3,0x3c), 0x0b);
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PciWrite8 (PCI_LIB_ADDRESS (0,1,3,0x3d), 0x01);
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PciWrite8 (PCI_LIB_ADDRESS (0,1,3,0x5f), 0x90);
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PciWrite8 (PCI_LIB_ADDRESS (0, 1, 3, 0x3c), 0x0b);
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PciWrite8 (PCI_LIB_ADDRESS (0, 1, 3, 0x3d), 0x01);
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//
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// Device 2 Function 0
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// Bus 0, Device 2, Function 0 - Video Controller
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//
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PciWrite8 (PCI_LIB_ADDRESS (0,2,0,0x3c), 0x00);
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PciWrite8 (PCI_LIB_ADDRESS (0, 2, 0, 0x3c), 0x00);
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//
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// Device 3 Function 0
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// Bus 0, Device 3, Function 0 - Network Controller
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//
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PciWrite8 (PCI_LIB_ADDRESS (0,3,0,0x3c), 0x0b);
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PciWrite8 (PCI_LIB_ADDRESS (0,3,0,0x3d), 0x01);
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PciWrite8 (PCI_LIB_ADDRESS (0, 3, 0, 0x3c), 0x0b);
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PciWrite8 (PCI_LIB_ADDRESS (0, 3, 0, 0x3d), 0x01);
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//
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// Bus 0, Device 4, Function 0 - RAM Memory
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//
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PciWrite8 (PCI_LIB_ADDRESS (0, 4, 0, 0x3c), 0x09);
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PciWrite8 (PCI_LIB_ADDRESS (0, 4, 0, 0x3d), 0x01);
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}
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@ -679,6 +703,11 @@ Returns:
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BdsLibConnectAll ();
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PciInitialization ();
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//
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// Clear the logo after all devices are connected.
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//
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gST->ConOut->ClearScreen (gST->ConOut);
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}
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VOID
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@ -1044,3 +1073,105 @@ PlatformBdsLockNonUpdatableFlash (
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DEBUG ((EFI_D_INFO, "PlatformBdsLockNonUpdatableFlash\n"));
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return EFI_SUCCESS;
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}
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/**
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This notification function is invoked when an instance of the
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EFI_DEVICE_PATH_PROTOCOL is produced.
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@param Event The event that occured
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@param Context For EFI compatiblity. Not used.
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**/
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VOID
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EFIAPI
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NotifyDevPath (
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IN EFI_EVENT Event,
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IN VOID *Context
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)
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{
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EFI_HANDLE Handle;
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EFI_STATUS Status;
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UINTN BufferSize;
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EFI_DEVICE_PATH_PROTOCOL *DevPathNode;
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ATAPI_DEVICE_PATH *Atapi;
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//
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// Examine all new handles
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//
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for (;;) {
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//
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// Get the next handle
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//
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BufferSize = sizeof (Handle);
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Status = gBS->LocateHandle (
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ByRegisterNotify,
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NULL,
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mEfiDevPathNotifyReg,
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&BufferSize,
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&Handle
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);
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//
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// If not found, we're done
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//
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if (EFI_NOT_FOUND == Status) {
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break;
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}
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if (EFI_ERROR (Status)) {
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continue;
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}
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//
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// Get the DevicePath protocol on that handle
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//
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Status = gBS->HandleProtocol (Handle, &gEfiDevicePathProtocolGuid, (VOID **)&DevPathNode);
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ASSERT_EFI_ERROR (Status);
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while (!IsDevicePathEnd (DevPathNode)) {
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//
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// Find the handler to dump this device path node
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//
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if (
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(DevicePathType(DevPathNode) == MESSAGING_DEVICE_PATH) &&
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(DevicePathSubType(DevPathNode) == MSG_ATAPI_DP)
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) {
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Atapi = (ATAPI_DEVICE_PATH*) DevPathNode;
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PciOr16 (
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PCI_LIB_ADDRESS (
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0,
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1,
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1,
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(Atapi->PrimarySecondary == 1) ? 0x42: 0x40
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),
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BIT15
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);
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}
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//
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// Next device path node
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//
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DevPathNode = NextDevicePathNode (DevPathNode);
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}
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}
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return;
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}
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VOID
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InstallDevicePathCallback (
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VOID
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)
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{
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DEBUG ((EFI_D_INFO, "Registered NotifyDevPath Event\n"));
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mEfiDevPathEvent = EfiCreateProtocolNotifyEvent (
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&gEfiDevicePathProtocolGuid,
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TPL_CALLBACK,
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NotifyDevPath,
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NULL,
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&mEfiDevPathNotifyReg
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);
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}
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