blob: 1fe21e5eb5a6f37fdde6d3267f93d51e750e80b2 [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
22#ifndef _MAINBOARD_EC_H
23#define _MAINBOARD_EC_H
24
25#define EC_DATA 0x62
26#define EC_SC 0x66
27
28
29#define EC_OEM_DATA 0x68
30#define EC_OEM_SC 0x6c
31
32/* EC_SC input */
33#define EC_SMI_EVT (1 << 6) // 1: SMI event pending
34#define EC_SCI_EVT (1 << 5) // 1: SCI event pending
35#define EC_BURST (1 << 4) // controller is in burst mode
36#define EC_CMD (1 << 3) // 1: byte in data register is command
37 // 0: byte in data register is data
38#define EC_IBF (1 << 1) // 1: input buffer full (data ready for ec)
39#define EC_OBF (1 << 0) // 1: output buffer full (data ready for host)
40/* EC_SC output */
41#define RD_EC 0x80 // Read Embedded Controller
42#define WR_EC 0x81 // Write Embedded Controller
43#define BE_EC 0x82 // Burst Enable Embedded Controller
44#define BD_EC 0x83 // Burst Disable Embedded Controller
45#define QR_EC 0x84 // Query Embedded Controller
46
47int send_ec_command(u8 command);
48int send_ec_data(u8 data);
49int send_ec_data_nowait(u8 data);
50u8 recv_ec_data(void);
51u8 ec_read(u8 addr);
52int ec_write(u8 addr, u8 data);
53
54int send_ec_oem_command(u8 command);
55int send_ec_oem_data(u8 data);
56int send_ec_oem_data_nowait(u8 data);
57u8 recv_ec_oem_data(void);
58u8 ec_oem_read(u8 addr);
59int ec_oem_write(u8 addr, u8 data);
60
61int ec_dump_status(void);
62int ec_oem_dump_status(void);
63#endif
64