1 /** @file 2 3 Copyright (c) 2004 - 2014, Intel Corporation. All rights reserved.<BR> 4 5 This program and the accompanying materials are licensed and made available under 7 the terms and conditions of the BSD License that accompanies this distribution. 9 The full text of the license may be found at 11 http://opensource.org/licenses/bsd-license.php. 13 15 THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, 17 WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. 19 21 23 Module Name: 24 25 26 PlatformSsaInitPeim.c 27 28 Abstract: 29 30 31 --*/ 32 33 #include "PlatformEarlyInit.h" 34 35 /** 36 Perform SSA related platform initialization. 37 38 **/ 39 VOID 40 PlatformSsaInit ( 41 IN SYSTEM_CONFIGURATION *SystemConfiguration, 42 IN CONST EFI_PEI_SERVICES **PeiServices 43 ) 44 { 45 46 DEBUG ((EFI_D_ERROR, "PlatformSsaInit() - Start\n")); 47 DEBUG ((EFI_D_ERROR, "PlatformSsaInit() - SystemConfiguration->ISPDevSel 0x%x\n",SystemConfiguration->ISPDevSel)); 48 if(SystemConfiguration->ISPDevSel == 0x02) 49 { 50 // 51 // Device 3 Interrupt Route 52 // 53 MmioWrite16 ( 54 (ILB_BASE_ADDRESS + R_PCH_ILB_D3IR), 55 V_PCH_ILB_DXXIR_IAR_PIRQH // For IUNIT 56 ); 57 MmioRead16(ILB_BASE_ADDRESS + R_PCH_ILB_D3IR); // Read Posted Writes Register 58 DEBUG ((EFI_D_ERROR, "PlatformSsaInit() - Device 3 Interrupt Route Done\n")); 59 } 60 61 // 62 // Device 2 Interrupt Route 63 // 64 MmioWrite16 ( 65 (ILB_BASE_ADDRESS + R_PCH_ILB_D2IR), 66 V_PCH_ILB_DXXIR_IAR_PIRQA // For IGD 67 ); 68 MmioRead16(ILB_BASE_ADDRESS + R_PCH_ILB_D2IR); // Read Posted Writes Register 69 DEBUG ((EFI_D_ERROR, "PlatformSsaInit() - Device 2 Interrupt Route Done\n")); 70 71 return; 72 } 73
