1*4882a593Smuzhiyun /*
2*4882a593Smuzhiyun * Copyright (C) 2014, Bin Meng <bmeng.cn@gmail.com>
3*4882a593Smuzhiyun *
4*4882a593Smuzhiyun * SPDX-License-Identifier: GPL-2.0+
5*4882a593Smuzhiyun */
6*4882a593Smuzhiyun
7*4882a593Smuzhiyun #include <common.h>
8*4882a593Smuzhiyun #include <asm/io.h>
9*4882a593Smuzhiyun #include <asm/pnp_def.h>
10*4882a593Smuzhiyun
pnp_enter_conf_state(u16 dev)11*4882a593Smuzhiyun static void pnp_enter_conf_state(u16 dev)
12*4882a593Smuzhiyun {
13*4882a593Smuzhiyun u16 port = dev >> 8;
14*4882a593Smuzhiyun
15*4882a593Smuzhiyun outb(0x55, port);
16*4882a593Smuzhiyun }
17*4882a593Smuzhiyun
pnp_exit_conf_state(u16 dev)18*4882a593Smuzhiyun static void pnp_exit_conf_state(u16 dev)
19*4882a593Smuzhiyun {
20*4882a593Smuzhiyun u16 port = dev >> 8;
21*4882a593Smuzhiyun
22*4882a593Smuzhiyun outb(0xaa, port);
23*4882a593Smuzhiyun }
24*4882a593Smuzhiyun
lpc47m_enable_serial(uint dev,uint iobase,uint irq)25*4882a593Smuzhiyun void lpc47m_enable_serial(uint dev, uint iobase, uint irq)
26*4882a593Smuzhiyun {
27*4882a593Smuzhiyun pnp_enter_conf_state(dev);
28*4882a593Smuzhiyun pnp_set_logical_device(dev);
29*4882a593Smuzhiyun pnp_set_enable(dev, 0);
30*4882a593Smuzhiyun pnp_set_iobase(dev, PNP_IDX_IO0, iobase);
31*4882a593Smuzhiyun pnp_set_irq(dev, PNP_IDX_IRQ0, irq);
32*4882a593Smuzhiyun pnp_set_enable(dev, 1);
33*4882a593Smuzhiyun pnp_exit_conf_state(dev);
34*4882a593Smuzhiyun }
35*4882a593Smuzhiyun
lpc47m_enable_kbc(uint dev,uint irq0,uint irq1)36*4882a593Smuzhiyun void lpc47m_enable_kbc(uint dev, uint irq0, uint irq1)
37*4882a593Smuzhiyun {
38*4882a593Smuzhiyun pnp_enter_conf_state(dev);
39*4882a593Smuzhiyun pnp_set_logical_device(dev);
40*4882a593Smuzhiyun pnp_set_enable(dev, 0);
41*4882a593Smuzhiyun pnp_set_irq(dev, PNP_IDX_IRQ0, irq0);
42*4882a593Smuzhiyun pnp_set_irq(dev, PNP_IDX_IRQ1, irq1);
43*4882a593Smuzhiyun pnp_set_enable(dev, 1);
44*4882a593Smuzhiyun pnp_exit_conf_state(dev);
45*4882a593Smuzhiyun }
46