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