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
28
29
30
31
32
33
34
35
36
|
/* SPDX-License-Identifier: GPL-2.0-or-later */
/* This file is part of the coreboot project. */
#include <arch/io.h>
#include <device/pnp_ops.h>
#include <device/pnp_def.h>
#include "wpcm450.h"
static void wpcm450_pnp_set_logical_device(u8 dev, u16 port)
{
outb(0x7, port);
outb(dev, port+1);
}
static void wpcm450_pnp_set_enable(u8 dev, u16 port, u8 enable)
{
outb(0x30, port);
outb(enable, port+1);
}
static void wpcm450_pnp_set_iobase(u8 dev, u16 port, u8 index, u16 iobase)
{
outb(index, port);
outb((iobase>>8)&0xFF, port+1);
outb(index+1, port);
outb(iobase&0xFF, port+1);
}
void wpcm450_enable_dev(u8 dev, u16 port, u16 iobase)
{
wpcm450_pnp_set_logical_device(dev, port);
wpcm450_pnp_set_enable(dev, port, 0);
if (iobase)
wpcm450_pnp_set_iobase(dev, port, PNP_IDX_IO0, iobase);
wpcm450_pnp_set_enable(dev, port, 1);
}
|
