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