blob: 324695db5355bbac282dc7ff6cbe887c004c671b (
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
|
/* SPDX-License-Identifier: GPL-2.0-only */
/* This file is part of the coreboot project. */
/*
* Mailbox EC communication interface for SMSC MEC1308 Embedded Controller.
*/
#ifndef _EC_SMSC_MEC1308_EC_H
#define _EC_SMSC_MEC1308_EC_H
#define EC_TIMEOUT 0xfff
#define EC_MAILBOX_COMMAND 0x82 // Send a command
#define EC_MAILBOX_DATA 0x84 // Send data with a command
#define EC_MAILBOX_DATA_H 0x85 // Send data with a command
#define EC_RAM_READ 0x88 // Read from RAM
#define EC_RAM_WRITE 0x89 // Write to RAM
int send_ec_command(u8 command);
int send_ec_command_data(u8 command, u8 data);
u8 read_ec_command_byte(u8 command);
u8 ec_read(u8 addr);
int ec_write(u8 addr, u8 data);
void ec_set_bit(u8 addr, u8 bit);
void ec_clr_bit(u8 addr, u8 bit);
void ec_set_ports(u16 cmd_reg, u16 data_reg);
#endif /* _EC_SMSC_MEC1308_EC_H */
|
