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Zheng Bao9db833b2009-12-28 09:59:44 +00001/*
2 * This file is part of the coreboot project.
3 *
4 * Copyright (C) 2000 AG Electronics Ltd.
5 * Copyright (C) 2003-2004 Linux Networx
Uwe Hermann340fa932010-11-10 14:53:36 +00006 * Copyright (C) 2004 Tyan
Stefan Reinauer14e22772010-04-27 06:56:47 +00007 * Copyright (C) 2010 Win Enterprises (anishp@win-ent.com)
Zheng Bao9db833b2009-12-28 09:59:44 +00008 *
9 * This program is free software; you can redistribute it and/or modify
10 * it under the terms of the GNU General Public License as published by
11 * the Free Software Foundation; either version 2 of the License, or
12 * (at your option) any later version.
13 *
14 * This program is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 * GNU General Public License for more details.
18 *
19 * You should have received a copy of the GNU General Public License
20 * along with this program; if not, write to the Free Software
Paul Menzela46a7122013-02-23 18:37:27 +010021 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
Zheng Bao9db833b2009-12-28 09:59:44 +000022 */
Ronald G. Minnich142babf2004-03-12 16:54:31 +000023
24#include <arch/io.h>
25#include <device/device.h>
26#include <device/pnp.h>
Ronald G. Minnich142babf2004-03-12 16:54:31 +000027#include <console/console.h>
28#include <string.h>
Ronald G. Minnich142babf2004-03-12 16:54:31 +000029#include <uart8250.h>
30#include <pc80/keyboard.h>
Yinghai Lu13f1c2a2005-07-08 02:49:49 +000031#include <pc80/mc146818rtc.h>
Carl-Daniel Hailfinger2ee67792008-10-01 12:52:52 +000032#include <stdlib.h>
Ronald G. Minnich142babf2004-03-12 16:54:31 +000033#include "chip.h"
34#include "w83627hf.h"
35
Myles Watsoncee94382008-10-02 19:21:30 +000036static void pnp_enter_ext_func_mode(device_t dev)
Eric Biederman018d8dd2004-11-04 11:04:33 +000037{
Stefan Reinauer2b34db82009-02-28 20:10:20 +000038 outb(0x87, dev->path.pnp.port);
39 outb(0x87, dev->path.pnp.port);
Yinghai Lu70093f72004-07-01 03:55:03 +000040}
Zheng Bao9db833b2009-12-28 09:59:44 +000041
Myles Watsoncee94382008-10-02 19:21:30 +000042static void pnp_exit_ext_func_mode(device_t dev)
Eric Biederman018d8dd2004-11-04 11:04:33 +000043{
Stefan Reinauer2b34db82009-02-28 20:10:20 +000044 outb(0xaa, dev->path.pnp.port);
Yinghai Lu70093f72004-07-01 03:55:03 +000045}
46
Uwe Hermann340fa932010-11-10 14:53:36 +000047static void pnp_write_index(u16 port, u8 reg, u8 value)
Yinghai Lu70093f72004-07-01 03:55:03 +000048{
Uwe Hermann340fa932010-11-10 14:53:36 +000049 outb(reg, port);
50 outb(value, port + 1);
Yinghai Lu70093f72004-07-01 03:55:03 +000051}
52
Uwe Hermann340fa932010-11-10 14:53:36 +000053static u8 pnp_read_index(u16 port, u8 reg)
Yinghai Lu70093f72004-07-01 03:55:03 +000054{
Uwe Hermann340fa932010-11-10 14:53:36 +000055 outb(reg, port);
56 return inb(port + 1);
Myles Watsoncee94382008-10-02 19:21:30 +000057}
Yinghai Lu70093f72004-07-01 03:55:03 +000058
Zheng Bao9db833b2009-12-28 09:59:44 +000059static void enable_hwm_smbus(device_t dev)
60{
Uwe Hermann340fa932010-11-10 14:53:36 +000061 u8 reg8;
62
63 /* Configure pins 91/92 as SDA/SCL (I2C bus). */
64 reg8 = pnp_read_config(dev, 0x2b);
65 reg8 &= 0x3f;
66 pnp_write_config(dev, 0x2b, reg8);
Yinghai Lu70093f72004-07-01 03:55:03 +000067}
68
Yinghai Lu13f1c2a2005-07-08 02:49:49 +000069static void init_acpi(device_t dev)
Yinghai Lu70093f72004-07-01 03:55:03 +000070{
Uwe Hermann340fa932010-11-10 14:53:36 +000071 u8 value = 0x20; /* FIXME: The 0x20 value here is never used? */
Luc Verhaegena9c5ea02009-06-03 14:19:33 +000072 int power_on = 1;
Yinghai Lu70093f72004-07-01 03:55:03 +000073
Luc Verhaegena9c5ea02009-06-03 14:19:33 +000074 get_option(&power_on, "power_on_after_fail");
Uwe Hermann340fa932010-11-10 14:53:36 +000075
Nico Huber13dc9762013-06-15 19:33:15 +020076 pnp_enter_conf_mode(dev);
Uwe Hermann340fa932010-11-10 14:53:36 +000077 pnp_set_logical_device(dev);
Yinghai Lu13f1c2a2005-07-08 02:49:49 +000078 value = pnp_read_config(dev, 0xE4);
Uwe Hermann340fa932010-11-10 14:53:36 +000079 value &= ~(3 << 5);
80 if (power_on)
81 value |= (1 << 5);
Yinghai Lu13f1c2a2005-07-08 02:49:49 +000082 pnp_write_config(dev, 0xE4, value);
Nico Huber13dc9762013-06-15 19:33:15 +020083 pnp_exit_conf_mode(dev);
Yinghai Lu70093f72004-07-01 03:55:03 +000084}
Yinghai Lu70093f72004-07-01 03:55:03 +000085
Uwe Hermann340fa932010-11-10 14:53:36 +000086static void init_hwm(u16 base)
Yinghai Lu70093f72004-07-01 03:55:03 +000087{
Uwe Hermann340fa932010-11-10 14:53:36 +000088 u8 reg, value;
Yinghai Lu70093f72004-07-01 03:55:03 +000089 int i;
90
Uwe Hermann340fa932010-11-10 14:53:36 +000091 u8 hwm_reg_values[] = {
92 /* reg mask data */
93 0x40, 0xff, 0x81, /* Start HWM. */
94 0x48, 0xaa, 0x2a, /* Set SMBus base to 0x2a (0x54 >> 1). */
95 0x4a, 0x21, 0x21, /* Set T2 SMBus base to 0x92>>1 and T3 SMBus base to 0x94>>1. */
Myles Watsoncee94382008-10-02 19:21:30 +000096 0x4e, 0x80, 0x00,
97 0x43, 0x00, 0xff,
98 0x44, 0x00, 0x3f,
99 0x4c, 0xbf, 0x18,
Uwe Hermann340fa932010-11-10 14:53:36 +0000100 0x4d, 0xff, 0x80, /* Turn off beep */
Yinghai Lu70093f72004-07-01 03:55:03 +0000101 };
102
Uwe Hermann340fa932010-11-10 14:53:36 +0000103 for (i = 0; i < ARRAY_SIZE(hwm_reg_values); i += 3) {
Zheng Bao9db833b2009-12-28 09:59:44 +0000104 reg = hwm_reg_values[i];
Uwe Hermann340fa932010-11-10 14:53:36 +0000105 value = pnp_read_index(base, reg);
106 value &= 0xff & hwm_reg_values[i + 1];
107 value |= 0xff & hwm_reg_values[i + 2];
108 printk(BIOS_DEBUG, "base = 0x%04x, reg = 0x%02x, "
109 "value = 0x%02x\n", base, reg, value);
Yinghai Lu12eb7bc2004-11-08 21:16:16 +0000110 pnp_write_index(base, reg, value);
Yinghai Lu70093f72004-07-01 03:55:03 +0000111 }
112}
113
Yinghai Lu70093f72004-07-01 03:55:03 +0000114static void w83627hf_init(device_t dev)
Ronald G. Minnich142babf2004-03-12 16:54:31 +0000115{
Uwe Hermann340fa932010-11-10 14:53:36 +0000116 struct superio_winbond_w83627hf_config *conf = dev->chip_info;
Uwe Hermann5330dd92010-11-11 13:14:55 +0000117 struct resource *res0;
Uwe Hermann340fa932010-11-10 14:53:36 +0000118
119 if (!dev->enabled)
Ronald G. Minnich142babf2004-03-12 16:54:31 +0000120 return;
Uwe Hermann340fa932010-11-10 14:53:36 +0000121
Stefan Reinauer2b34db82009-02-28 20:10:20 +0000122 switch(dev->path.pnp.device) {
Ronald G. Minnich142babf2004-03-12 16:54:31 +0000123 case W83627HF_KBC:
Stefan Reinauer740b5872010-02-23 20:31:37 +0000124 pc_keyboard_init(&conf->keyboard);
Ronald G. Minnich142babf2004-03-12 16:54:31 +0000125 break;
Myles Watsoncee94382008-10-02 19:21:30 +0000126 case W83627HF_HWM:
127 res0 = find_resource(dev, PNP_IDX_IO0);
Yinghai Lu12eb7bc2004-11-08 21:16:16 +0000128#define HWM_INDEX_PORT 5
Myles Watsoncee94382008-10-02 19:21:30 +0000129 init_hwm(res0->base + HWM_INDEX_PORT);
130 break;
131 case W83627HF_ACPI:
132 init_acpi(dev);
133 break;
Ronald G. Minnich142babf2004-03-12 16:54:31 +0000134 }
Yinghai Lu70093f72004-07-01 03:55:03 +0000135}
136
Myles Watson7943fe62009-10-30 02:08:07 +0000137static void w83627hf_pnp_set_resources(device_t dev)
Yinghai Lu70093f72004-07-01 03:55:03 +0000138{
Yinghai Lu70093f72004-07-01 03:55:03 +0000139 pnp_set_resources(dev);
Myles Watsoncee94382008-10-02 19:21:30 +0000140}
141
Myles Watson7943fe62009-10-30 02:08:07 +0000142static void w83627hf_pnp_enable_resources(device_t dev)
Myles Watsoncee94382008-10-02 19:21:30 +0000143{
Myles Watsoncee94382008-10-02 19:21:30 +0000144 pnp_enable_resources(dev);
Nico Huber13dc9762013-06-15 19:33:15 +0200145
146 pnp_enter_conf_mode(dev);
Stefan Reinauer2b34db82009-02-28 20:10:20 +0000147 switch(dev->path.pnp.device) {
Yinghai Lu70093f72004-07-01 03:55:03 +0000148 case W83627HF_HWM:
Uwe Hermann340fa932010-11-10 14:53:36 +0000149 printk(BIOS_DEBUG, "W83627HF HWM SMBus enabled\n");
Yinghai Lu70093f72004-07-01 03:55:03 +0000150 enable_hwm_smbus(dev);
151 break;
152 }
Nico Huber13dc9762013-06-15 19:33:15 +0200153 pnp_exit_conf_mode(dev);
Yinghai Lu70093f72004-07-01 03:55:03 +0000154}
155
Myles Watson7943fe62009-10-30 02:08:07 +0000156static void w83627hf_pnp_enable(device_t dev)
Yinghai Lu70093f72004-07-01 03:55:03 +0000157{
Nico Huberf898f7b2013-06-10 22:57:12 +0200158 pnp_alt_enable(dev);
Ronald G. Minnich142babf2004-03-12 16:54:31 +0000159}
160
Nico Huber13dc9762013-06-15 19:33:15 +0200161static const struct pnp_mode_ops pnp_conf_mode_ops = {
162 .enter_conf_mode = pnp_enter_ext_func_mode,
163 .exit_conf_mode = pnp_exit_ext_func_mode,
164};
165
Ronald G. Minnich142babf2004-03-12 16:54:31 +0000166static struct device_operations ops = {
167 .read_resources = pnp_read_resources,
Yinghai Lu70093f72004-07-01 03:55:03 +0000168 .set_resources = w83627hf_pnp_set_resources,
169 .enable_resources = w83627hf_pnp_enable_resources,
170 .enable = w83627hf_pnp_enable,
171 .init = w83627hf_init,
Nico Huber13dc9762013-06-15 19:33:15 +0200172 .ops_pnp_mode = &pnp_conf_mode_ops,
Ronald G. Minnich142babf2004-03-12 16:54:31 +0000173};
174
175static struct pnp_info pnp_dev_info[] = {
Uwe Hermanna69d9782010-11-15 19:35:14 +0000176 { &ops, W83627HF_FDC, PNP_IO0 | PNP_IRQ0 | PNP_DRQ0, {0x07f8, 0}, },
177 { &ops, W83627HF_PP, PNP_IO0 | PNP_IRQ0 | PNP_DRQ0, {0x07f8, 0}, },
178 { &ops, W83627HF_SP1, PNP_IO0 | PNP_IRQ0, {0x07f8, 0}, },
179 { &ops, W83627HF_SP2, PNP_IO0 | PNP_IRQ0, {0x07f8, 0}, },
180 { &ops, W83627HF_KBC, PNP_IO0 | PNP_IO1 | PNP_IRQ0 | PNP_IRQ1, {0x07ff, 0}, {0x07ff, 4}, },
181 { &ops, W83627HF_CIR, PNP_IO0 | PNP_IRQ0, {0x07f8, 0}, },
182 { &ops, W83627HF_GAME_MIDI_GPIO1, PNP_IO0 | PNP_IO1 | PNP_IRQ0, {0x07ff, 0}, {0x07fe, 4}, },
Myles Watsoncee94382008-10-02 19:21:30 +0000183 { &ops, W83627HF_GPIO2, },
184 { &ops, W83627HF_GPIO3, },
185 { &ops, W83627HF_ACPI, },
Uwe Hermanna69d9782010-11-15 19:35:14 +0000186 { &ops, W83627HF_HWM, PNP_IO0 | PNP_IRQ0, {0x0ff8, 0}, },
Ronald G. Minnich142babf2004-03-12 16:54:31 +0000187};
188
Yinghai Lu6a61d6a2004-10-20 05:07:16 +0000189static void enable_dev(struct device *dev)
Ronald G. Minnich142babf2004-03-12 16:54:31 +0000190{
Uwe Hermann340fa932010-11-10 14:53:36 +0000191 pnp_enable_devices(dev, &ops, ARRAY_SIZE(pnp_dev_info), pnp_dev_info);
Ronald G. Minnich142babf2004-03-12 16:54:31 +0000192}
193
Yinghai Lu6a61d6a2004-10-20 05:07:16 +0000194struct chip_operations superio_winbond_w83627hf_ops = {
Uwe Hermanna7aa29b2006-11-05 18:50:49 +0000195 CHIP_NAME("Winbond W83627HF Super I/O")
Yinghai Lu6a61d6a2004-10-20 05:07:16 +0000196 .enable_dev = enable_dev,
Ronald G. Minnich142babf2004-03-12 16:54:31 +0000197};