| /* |
| * This file is part of the coreboot project. |
| * |
| * Copyright (C) 2011 Advanced Micro Devices, Inc. |
| * |
| * This program is free software; you can redistribute it and/or modify |
| * it under the terms of the GNU General Public License as published by |
| * the Free Software Foundation; version 2 of the License. |
| * |
| * This program is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| * GNU General Public License for more details. |
| * |
| * You should have received a copy of the GNU General Public License |
| * along with this program; if not, write to the Free Software |
| * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA |
| */ |
| |
| #include "AGESA.h" |
| #include "amdlib.h" |
| #include "Ids.h" |
| #include "def_callouts.h" |
| |
| AGESA_STATUS agesa_NoopUnsupported (UINT32 Func, UINT32 Data, VOID *ConfigPtr) |
| { |
| return AGESA_UNSUPPORTED; |
| } |
| |
| AGESA_STATUS agesa_NoopSuccess (UINT32 Func, UINT32 Data, VOID *ConfigPtr) |
| { |
| return AGESA_SUCCESS; |
| } |
| |
| AGESA_STATUS agesa_EmptyIdsInitData (UINT32 Func, UINT32 Data, VOID *ConfigPtr) |
| { |
| IDS_NV_ITEM *IdsPtr = ((IDS_CALLOUT_STRUCT *) ConfigPtr)->IdsNvPtr; |
| if (Data == IDS_CALLOUT_INIT) |
| IdsPtr[0].IdsNvValue = IdsPtr[0].IdsNvId = 0xffff; |
| return AGESA_SUCCESS; |
| } |
| |
| AGESA_STATUS agesa_Reset (UINT32 Func, UINT32 Data, VOID *ConfigPtr) |
| { |
| AGESA_STATUS Status; |
| UINT8 Value; |
| UINTN ResetType; |
| AMD_CONFIG_PARAMS *StdHeader; |
| |
| ResetType = Data; |
| StdHeader = ConfigPtr; |
| |
| // |
| // Perform the RESET based upon the ResetType. In case of |
| // WARM_RESET_WHENVER and COLD_RESET_WHENEVER, the request will go to |
| // AmdResetManager. During the critical condition, where reset is required |
| // immediately, the reset will be invoked directly by writing 0x04 to port |
| // 0xCF9 (Reset Port). |
| // |
| switch (ResetType) { |
| case WARM_RESET_WHENEVER: |
| case COLD_RESET_WHENEVER: |
| break; |
| |
| case WARM_RESET_IMMEDIATELY: |
| case COLD_RESET_IMMEDIATELY: |
| Value = 0x06; |
| LibAmdIoWrite (AccessWidth8, 0xCf9, &Value, StdHeader); |
| break; |
| |
| default: |
| break; |
| } |
| |
| Status = 0; |
| return Status; |
| } |