2 * Copyright (C) 2013 Imagination Technologies
3 * Author: Paul Burton <paul.burton@imgtec.com>
5 * Setup code for the FDC37M817 super I/O controller
7 * SPDX-License-Identifier: GPL-2.0+
13 #define SIO_CONF_PORT 0x3f0
14 #define SIO_DATA_PORT 0x3f1
17 SIOCONF_DEVNUM = 0x07,
18 SIOCONF_ACTIVATE = 0x30,
19 SIOCONF_ENTER_SETUP = 0x55,
20 SIOCONF_BASE_HIGH = 0x60,
21 SIOCONF_BASE_LOW = 0x61,
22 SIOCONF_PRIMARY_INT = 0x70,
23 SIOCONF_EXIT_SETUP = 0xaa,
32 { SIOCONF_DEVNUM, 0x04 },
33 { SIOCONF_BASE_HIGH, 0x03 },
34 { SIOCONF_BASE_LOW, 0xf8 },
35 { SIOCONF_MODE, 0x02 },
36 { SIOCONF_PRIMARY_INT, 0x04 },
37 { SIOCONF_ACTIVATE, 0x01 },
40 { SIOCONF_DEVNUM, 0x05 },
41 { SIOCONF_BASE_HIGH, 0x02 },
42 { SIOCONF_BASE_LOW, 0xf8 },
43 { SIOCONF_MODE, 0x02 },
44 { SIOCONF_PRIMARY_INT, 0x03 },
45 { SIOCONF_ACTIVATE, 0x01 },
48 void malta_superio_init(void)
52 /* enter config state */
53 outb(SIOCONF_ENTER_SETUP, SIO_CONF_PORT);
55 /* configure peripherals */
56 for (i = 0; i < ARRAY_SIZE(sio_config); i++) {
57 outb(sio_config[i].key, SIO_CONF_PORT);
58 outb(sio_config[i].data, SIO_DATA_PORT);
61 /* exit config state */
62 outb(SIOCONF_EXIT_SETUP, SIO_CONF_PORT);