| /* |
| * 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 |
| * |
| * copy from src/northbridge/amd/amdfam10/reset_test.c |
| */ |
| |
| #ifndef _RESET_TEST_H_ |
| #define _RESET_TEST_H_ |
| |
| #include "amdfam10.h" /* NODE_PCI */ |
| |
| #define NODE_ID 0x60 |
| #define HT_INIT_CONTROL 0x6c |
| #define HTIC_ColdR_Detect (1<<4) |
| #define HTIC_BIOSR_Detect (1<<5) |
| #define HTIC_INIT_Detect (1<<6) |
| |
| static inline u32 warm_reset_detect(u8 nodeid) |
| { |
| u32 htic; |
| device_t device; |
| device = NODE_PCI(nodeid, 0); |
| htic = pci_io_read_config32(device, HT_INIT_CONTROL); |
| return (htic & HTIC_ColdR_Detect) && !(htic & HTIC_BIOSR_Detect); |
| } |
| |
| static inline void distinguish_cpu_resets(u8 nodeid) |
| { |
| u32 htic; |
| device_t device; |
| device = NODE_PCI(nodeid, 0); |
| htic = pci_io_read_config32(device, HT_INIT_CONTROL); |
| htic |= HTIC_ColdR_Detect | HTIC_BIOSR_Detect | HTIC_INIT_Detect; |
| pci_io_write_config32(device, HT_INIT_CONTROL, htic); |
| } |
| |
| #endif |
