244 lines
3.8 KiB
C
244 lines
3.8 KiB
C
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/*
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* Copyright (c) 1995 FirePower Systems, Inc.
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* DO NOT DISTRIBUTE without permission
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*
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* $RCSfile: pxmemctl.c $
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* $Revision: 1.16 $
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* $Date: 1996/05/14 02:34:41 $
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* $Locker: $
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*/
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/*++
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Copyright (c) 1990 Microsoft Corporation
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Copyright (c) 1994 MOTOROLA, INC. All Rights Reserved. This file
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contains copyrighted material. Use of this file is restricted
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by the provisions of a Motorola Software License Agreement.
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Module Name:
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pxmemctl.c
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Abstract:
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The module initializes any planar registers.
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This module also implements machince check parity error handling.
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Author:
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Jim Wooldridge (jimw@austin.vnet.ibm.com)
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Revision History:
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--*/
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#include "halp.h"
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#include "pxmemctl.h"
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#include "phsystem.h"
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BOOLEAN
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HalpInitPlanar (
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VOID
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)
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{
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return TRUE;
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}
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BOOLEAN
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HalpMapPlanarSpace (
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VOID
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)
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/*++
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Routine Description:
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This routine maps the interrupt acknowledge and error address
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spaces for a PowerPC system.
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Arguments:
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None.
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Return Value:
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If the initialization is successfully completed, than a value of TRUE
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is returned. Otherwise, a value of FALSE is returned.
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--*/
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{
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PHYSICAL_ADDRESS physicalAddress;
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//
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// Map interrupt control space.
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//
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physicalAddress.HighPart = 0;
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physicalAddress.LowPart = INTERRUPT_PHYSICAL_BASE;
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if ( HalpInterruptBase == NULL ) {
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HalpInterruptBase = MmMapIoSpace(physicalAddress,
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PAGE_SIZE,
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FALSE);
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}
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if ( HalpSystemControlBase == NULL ) {
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physicalAddress.HighPart = 0;
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physicalAddress.LowPart = SYSTEM_CONTROL_SPACE;
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HalpSystemControlBase = MmMapIoSpace(physicalAddress,
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PAGE_SIZE,
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FALSE);
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}
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//
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// Map the error address register
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//
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physicalAddress.HighPart = 0;
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physicalAddress.LowPart = ERROR_ADDRESS_REGISTER;
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HalpErrorAddressRegister = MmMapIoSpace(physicalAddress,
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PAGE_SIZE,
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FALSE);
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if (HalpInterruptBase == NULL || HalpErrorAddressRegister == NULL)
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return FALSE;
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else
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return TRUE;
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}
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BOOLEAN
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HalpMapBusConfigSpace (
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VOID
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)
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/*++
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Routine Description:
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This routine maps the HAL PCI config
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spaces for a PowerPC system.
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Arguments:
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None.
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Return Value:
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If the initialization is successfully completed, than a value of TRUE
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is returned. Otherwise, a value of FALSE is returned.
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--*/
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{
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PHYSICAL_ADDRESS physicalAddress;
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//
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// Map the PCI config space.
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//
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physicalAddress.LowPart = PCI_CONFIG_PHYSICAL_BASE;
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HalpPciConfigBase = MmMapIoSpace(physicalAddress,
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PCI_CONFIG_SIZE,
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FALSE);
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if (HalpPciConfigBase == NULL)
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return FALSE;
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else
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return TRUE;
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}
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BOOLEAN
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HalpPhase0MapBusConfigSpace (
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VOID
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)
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/*++
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Routine Description:
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This routine maps the HAL PCI config
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spaces for a PowerPC system during phase 0 initialization.
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Arguments:
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None.
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Return Value:
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If the initialization is successfully completed, than a value of TRUE
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is returned. Otherwise, a value of FALSE is returned.
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--*/
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{
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//
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// Map the PCI config space.
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//
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HalpPciConfigBase = (PUCHAR)KePhase0MapIo( (PVOID)PCI_CONFIG_PHYSICAL_BASE, 0x400000);
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if (HalpPciConfigBase == NULL)
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return FALSE;
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else
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return TRUE;
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}
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VOID
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HalpPhase0UnMapBusConfigSpace (
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VOID
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)
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/*++
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Routine Description:
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This routine maps the HAL PCI config
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spaces for a PowerPC system during phase 0 initialization.
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Arguments:
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None.
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Return Value:
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If the initialization is successfully completed, than a value of TRUE
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is returned. Otherwise, a value of FALSE is returned.
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--*/
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{
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//
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// Unmap the PCI config space and set HalpPciConfigBase to NULL.
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//
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KePhase0DeleteIoMap( (PVOID)PCI_CONFIG_PHYSICAL_BASE, 0x400000);
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HalpPciConfigBase = NULL;
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}
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