2 * This file is part of the coreboot project.
4 * Copyright (C) 2008 Uwe Hermann <uwe@hermann-uwe.de>
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License version 2 as
8 * published by the Free Software Foundation.
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
15 * You should have received a copy of the GNU General Public License
16 * along with this program; if not, write to the Free Software
17 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
21 #include <device/device.h>
22 #include <device/pnp.h>
24 #include <pc80/keyboard.h>
27 #include "w83627dhg.h"
29 static void pnp_enter_ext_func_mode(device_t dev)
31 outb(0x87, dev->path.pnp.port);
32 outb(0x87, dev->path.pnp.port);
35 static void pnp_exit_ext_func_mode(device_t dev)
37 outb(0xaa, dev->path.pnp.port);
40 static void w83627dhg_init(device_t dev)
42 struct superio_winbond_w83627dhg_config *conf;
43 struct resource *res0, *res1;
48 conf = dev->chip_info;
50 switch(dev->path.pnp.device) {
52 res0 = find_resource(dev, PNP_IDX_IO0);
53 init_uart8250(res0->base, &conf->com1);
56 res0 = find_resource(dev, PNP_IDX_IO0);
57 init_uart8250(res0->base, &conf->com2);
60 res0 = find_resource(dev, PNP_IDX_IO0);
61 res1 = find_resource(dev, PNP_IDX_IO1);
62 pc_keyboard_init(&conf->keyboard);
67 static void w83627dhg_pnp_set_resources(device_t dev)
69 pnp_enter_ext_func_mode(dev);
70 pnp_set_resources(dev);
71 pnp_exit_ext_func_mode(dev);
74 static void w83627dhg_pnp_enable_resources(device_t dev)
76 pnp_enter_ext_func_mode(dev);
77 pnp_enable_resources(dev);
78 pnp_exit_ext_func_mode(dev);
81 static void w83627dhg_pnp_enable(device_t dev)
86 pnp_enter_ext_func_mode(dev);
87 pnp_set_logical_device(dev);
88 pnp_set_enable(dev, 0);
89 pnp_exit_ext_func_mode(dev);
92 static struct device_operations ops = {
93 .read_resources = pnp_read_resources,
94 .set_resources = w83627dhg_pnp_set_resources,
95 .enable_resources = w83627dhg_pnp_enable_resources,
96 .enable = w83627dhg_pnp_enable,
97 .init = w83627dhg_init,
100 static struct pnp_info pnp_dev_info[] = {
101 { &ops, W83627DHG_FDC, PNP_IO0 | PNP_IRQ0 | PNP_DRQ0, { 0x0ff8, 0}, },
102 { &ops, W83627DHG_PP, PNP_IO0 | PNP_IRQ0 | PNP_DRQ0, { 0x0ff8, 0}, },
103 { &ops, W83627DHG_SP1, PNP_IO0 | PNP_IRQ0, { 0xff8, 0 }, },
104 { &ops, W83627DHG_SP2, PNP_IO0 | PNP_IRQ0, { 0xff8, 0 }, },
105 { &ops, W83627DHG_KBC, PNP_IO0 | PNP_IO1 | PNP_IRQ0 | PNP_IRQ1, { 0xfff, 0 }, { 0xfff, 0x4}, },
106 /* the next line makes coreboot hang in pnp_enable_devices() */
107 /* { &ops, W83627DHG_SPI, PNP_IO1, { 0xff8, 0 }, }, */
108 { &ops, W83627DHG_GPIO6, },
109 { &ops, W83627DHG_WDTO_PLED, },
110 { &ops, W83627DHG_GPIO2345, },
111 { &ops, W83627DHG_ACPI, },
112 { &ops, W83627DHG_HWM, PNP_IO0 | PNP_IRQ0, { 0xffe, 0 }, },
113 { &ops, W83627DHG_PECI_SST, },
116 static void enable_dev(struct device *dev)
118 pnp_enable_devices(dev, &ops, ARRAY_SIZE(pnp_dev_info), pnp_dev_info);
121 struct chip_operations superio_winbond_w83627dhg_ops = {
122 CHIP_NAME("Winbond W83627DHG Super I/O")
123 .enable_dev = enable_dev,