blob: 14f7484a7832343677829e15590792c9f1be0213 [file] [log] [blame]
Stefan Reinauer7cfa7f92010-05-16 14:24:41 +00001/*
2 * This file is part of the coreboot project.
3 *
4 * Copyright (C) 2008-2009 coresystems GmbH
5 *
6 * This program is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU General Public License as
8 * published by the Free Software Foundation; version 2 of
9 * the License.
10 *
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
15 *
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston,
19 * MA 02110-1301 USA
20 */
21
Sven Schnelle7592e8b2011-01-27 11:43:03 +000022#ifndef _MAINBOARD_EC_OEM_H
23#define _MAINBOARD_EC_OEM_H
Stefan Reinauer7cfa7f92010-05-16 14:24:41 +000024
25#define EC_OEM_DATA 0x68
26#define EC_OEM_SC 0x6c
27
28/* EC_SC input */
29#define EC_SMI_EVT (1 << 6) // 1: SMI event pending
30#define EC_SCI_EVT (1 << 5) // 1: SCI event pending
31#define EC_BURST (1 << 4) // controller is in burst mode
32#define EC_CMD (1 << 3) // 1: byte in data register is command
33 // 0: byte in data register is data
34#define EC_IBF (1 << 1) // 1: input buffer full (data ready for ec)
35#define EC_OBF (1 << 0) // 1: output buffer full (data ready for host)
36/* EC_SC output */
37#define RD_EC 0x80 // Read Embedded Controller
38#define WR_EC 0x81 // Write Embedded Controller
39#define BE_EC 0x82 // Burst Enable Embedded Controller
40#define BD_EC 0x83 // Burst Disable Embedded Controller
41#define QR_EC 0x84 // Query Embedded Controller
42
Stefan Reinauer7cfa7f92010-05-16 14:24:41 +000043int send_ec_oem_command(u8 command);
44int send_ec_oem_data(u8 data);
45int send_ec_oem_data_nowait(u8 data);
46u8 recv_ec_oem_data(void);
47u8 ec_oem_read(u8 addr);
48int ec_oem_write(u8 addr, u8 data);
49
50int ec_dump_status(void);
51int ec_oem_dump_status(void);
52#endif
53