Files
system76-coreboot/src/southbridge/amd/pi/hudson/reset.c
Kyösti Mälkki b915faedd5 sb/amd/{agesa,pi}/hudson: Use simple PCI config accessor
Change-Id: I3d8e21e17a0f870d854694e326b10f7d2d04e5ad
Signed-off-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/37596
Reviewed-by: Angel Pons <th3fanbus@gmail.com>
Reviewed-by: HAOUAS Elyes <ehaouas@noos.fr>
Reviewed-by: Michał Żygowski <michal.zygowski@3mdeb.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
2019-12-21 11:37:07 +00:00

40 lines
1.1 KiB
C

/*
* This file is part of the coreboot project.
*
* Copyright (C) 2010 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.
*/
// Use simple device model for this file even in ramstage
#define __SIMPLE_DEVICE__
#include <device/pci_ops.h>
#include <cf9_reset.h>
#include <reset.h>
#define HT_INIT_CONTROL 0x6c
#define HTIC_ColdR_Detect (1<<4)
#define HTIC_BIOSR_Detect (1<<5)
#define HTIC_INIT_Detect (1<<6)
void cf9_reset_prepare(void)
{
u32 htic;
htic = pci_s_read_config32(PCI_DEV(0, 0x18, 0), HT_INIT_CONTROL);
htic &= ~HTIC_BIOSR_Detect;
pci_s_write_config32(PCI_DEV(0, 0x18, 0), HT_INIT_CONTROL, htic);
}
void do_board_reset(void)
{
system_reset();
}