aboutsummaryrefslogtreecommitdiff
path: root/src/soc/amd/stoneyridge/include/soc/smbus.h
blob: ada7cfb9a4576fc332e6e94ab303f0a155301587 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
/*
 * 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.
 */

#ifndef __STONEYRIDGE_SMBUS_H__
#define __STONEYRIDGE_SMBUS_H__

#include <stdint.h>
#include <soc/iomap.h>

int do_smbus_read_byte(u32 mmio, u8 device, u8 address);
int do_smbus_write_byte(u32 mmio, u8 device, u8 address, u8 val);
int do_smbus_recv_byte(u32 mmio, u8 device);
int do_smbus_send_byte(u32 mmio, u8 device, u8 val);

#endif /* __STONEYRIDGE_SMBUS_H__ */