2 * This file is part of the coreboot project.
4 * Copyright (C) 2007 Nikolay Petukhov <nikolay.petukhov@gmail.com>
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
22 #include <device/device.h>
23 #include <device/pnp.h>
24 #include <console/console.h>
28 #include <pc80/keyboard.h>
33 static void w83977f_enter_ext_func_mode(device_t dev)
35 outb(0x87, dev->path.u.pnp.port);
36 outb(0x87, dev->path.u.pnp.port);
38 static void w83977f_exit_ext_func_mode(device_t dev)
40 outb(0xaa, dev->path.u.pnp.port);
43 static void w83977f_init(device_t dev)
45 struct superio_winbond_w83977f_config *conf;
46 struct resource *res0, *res1;
51 conf = dev->chip_info;
52 switch(dev->path.u.pnp.device) {
54 res0 = find_resource(dev, PNP_IDX_IO0);
55 init_uart8250(res0->base, &conf->com1);
58 res0 = find_resource(dev, PNP_IDX_IO0);
59 init_uart8250(res0->base, &conf->com2);
62 res0 = find_resource(dev, PNP_IDX_IO0);
63 res1 = find_resource(dev, PNP_IDX_IO1);
64 init_pc_keyboard(res0->base, res1->base, &conf->keyboard);
69 static void w83977f_set_resources(device_t dev)
71 w83977f_enter_ext_func_mode(dev);
72 pnp_set_resources(dev);
73 w83977f_exit_ext_func_mode(dev);
76 static void w83977f_enable_resources(device_t dev)
78 w83977f_enter_ext_func_mode(dev);
79 pnp_enable_resources(dev);
80 w83977f_exit_ext_func_mode(dev);
83 static void w83977f_enable(device_t dev)
85 w83977f_enter_ext_func_mode(dev);
87 w83977f_exit_ext_func_mode(dev);
90 static struct device_operations ops = {
91 .read_resources = pnp_read_resources,
92 .set_resources = w83977f_set_resources,
93 .enable_resources = w83977f_enable_resources,
94 .enable = w83977f_enable,
98 static struct pnp_info pnp_dev_info[] = {
99 { &ops, W83977F_FDC, PNP_IO0 | PNP_IRQ0 | PNP_DRQ0, { 0x7f8, 0 }, },
100 { &ops, W83977F_PP, PNP_IO0 | PNP_IRQ0 | PNP_DRQ0, { 0x7f8, 0 }, },
101 { &ops, W83977F_SP1, PNP_IO0 | PNP_IRQ0, { 0x7f8, 0 }, },
102 { &ops, W83977F_SP2, PNP_IO0 | PNP_IRQ0, { 0x7f8, 0 }, },
103 { &ops, W83977F_RTC, PNP_IO0 | PNP_IRQ0, { 0x7f8, 0 }, },
104 { &ops, W83977F_KBC, PNP_IO0 | PNP_IO1 | PNP_IRQ0 | PNP_IRQ1, { 0x7f8, 0 }, { 0x7f8, 0x0}, },
105 { &ops, W83977F_IR, PNP_IO0 | PNP_IRQ0, { 0x7f8, 0 }, },
106 { &ops, W83977F_GPIO1, PNP_IO0, { 0x7f8, 0 }, },
107 { &ops, W83977F_GPIO2, PNP_IO0, { 0x7f8, 0 }, },
110 static void enable_dev(device_t dev)
112 pnp_enable_devices(dev, &ops,
113 ARRAY_SIZE(pnp_dev_info), pnp_dev_info);
116 struct chip_operations superio_winbond_w83977f_ops = {
117 CHIP_NAME("Winbond W83977F-A Super I/O")
118 .enable_dev = enable_dev,