mirror of https://github.com/acidanthera/audk.git
59 lines
1.5 KiB
C
59 lines
1.5 KiB
C
/** @file
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Copyright (c) 2004 - 2014, Intel Corporation. All rights reserved.<BR>
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SPDX-License-Identifier: BSD-2-Clause-Patent
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Module Name:
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PlatformSsaInitPeim.c
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Abstract:
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--*/
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#include "PlatformEarlyInit.h"
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/**
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Perform SSA related platform initialization.
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**/
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VOID
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PlatformSsaInit (
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IN SYSTEM_CONFIGURATION *SystemConfiguration,
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IN CONST EFI_PEI_SERVICES **PeiServices
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)
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{
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DEBUG ((EFI_D_ERROR, "PlatformSsaInit() - Start\n"));
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DEBUG ((EFI_D_ERROR, "PlatformSsaInit() - SystemConfiguration->ISPDevSel 0x%x\n",SystemConfiguration->ISPDevSel));
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if(SystemConfiguration->ISPDevSel == 0x02)
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{
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//
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// Device 3 Interrupt Route
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//
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MmioWrite16 (
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(ILB_BASE_ADDRESS + R_PCH_ILB_D3IR),
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V_PCH_ILB_DXXIR_IAR_PIRQH // For IUNIT
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);
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MmioRead16(ILB_BASE_ADDRESS + R_PCH_ILB_D3IR); // Read Posted Writes Register
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DEBUG ((EFI_D_ERROR, "PlatformSsaInit() - Device 3 Interrupt Route Done\n"));
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}
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//
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// Device 2 Interrupt Route
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//
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MmioWrite16 (
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(ILB_BASE_ADDRESS + R_PCH_ILB_D2IR),
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V_PCH_ILB_DXXIR_IAR_PIRQA // For IGD
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);
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MmioRead16(ILB_BASE_ADDRESS + R_PCH_ILB_D2IR); // Read Posted Writes Register
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DEBUG ((EFI_D_ERROR, "PlatformSsaInit() - Device 2 Interrupt Route Done\n"));
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return;
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}
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