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/*
* 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.
*
* 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
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