Random minor fixes. Use svn revision as superiotool version number.
[coreboot.git] / util / superiotool / winbond.c
1 /*
2  * This file is part of the superiotool project.
3  *
4  * Copyright (C) 2007 Uwe Hermann <uwe@hermann-uwe.de>
5  *
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.
10  *
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.
15  *
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
19  */
20
21 #include "superiotool.h"
22
23 #define DEVICE_ID_REG_OLD       0x09
24
25 #define DEVICE_ID_REG           0x20
26 #define DEVICE_REV_REG          0x21
27
28 /**
29  * The ID entries must be in 0xYYZ format, where YY is the device ID,
30  * and Z is bits 7..4 of the device revision register. We do not match
31  * bits 3..0 of the device revision here (at least for newer Super I/Os).
32  *
33  * But some of the older versions use both bytes (0x20 and 0x21), where
34  * register 0x21 holds the ID and the full 8 bits of 0x21 hold the revision.
35  *
36  * Some other Super I/Os only use bits 3..0 of 0x09 as ID.
37  */
38 const static struct superio_registers reg_table[] = {
39         {0x527, "W83977CTF", {
40                 {EOT}}},
41         {0x52f, "W83977EF/EG", {
42                 {EOT}}},
43         {0x595, "W83627SF", {
44                 {EOT}}},
45         {0x601, "W83697HF/F/HG", { /* No G version? */
46                 {NOLDN, NULL,
47                         {0x07,0x20,0x21,0x22,0x23,0x24,0x25,0x26,0x28,0x29,
48                          0x2a,EOT},
49                         {NANA,0x60,NANA,0xff,0x00,0x00,0x00,0x00,0x00,0x00,
50                          MISC,EOT}},
51                 /* Some register defaults depend on the value of PNPCSV. */
52                 {0x0, "Floppy",
53                         {0x30,0x60,0x61,0x70,0x74,0xf0,0xf1,0xf2,0xf4,
54                          0xf5,EOT},
55                         {0x01,0x03,0xf0,0x06,0x02,0x0e,0x00,0xff,0x00,
56                          0x00,EOT}},
57                 {0x1, "Parallel port",
58                         {0x30,0x60,0x61,0x70,0x74,0xf0,EOT},
59                         {0x01,0x03,0x78,0x07,0x04,0x3f,EOT}},
60                 {0x2, "COM1",
61                         {0x30,0x60,0x61,0x70,0xf0,EOT},
62                         {0x01,0x03,0xf8,0x04,0x00,EOT}},
63                 {0x3, "COM2",
64                         {0x30,0x60,0x61,0x70,0xf0,0xf1,EOT},
65                         {0x01,0x02,0xf8,0x03,0x00,0x00,EOT}},
66                 {0x6, "Consumer IR",
67                         {0x30,0x60,0x61,0x70,EOT},
68                         {0x00,0x00,0x00,0x00,EOT}},
69                 {0x7, "Game port, GPIO 1",
70                         {0x30,0x60,0x61,0x62,0x63,0xf0,0xf1,0xf2,EOT},
71                         {0x00,0x02,0x01,0x00,0x00,0xff,0x00,0x00,EOT}},
72                 {0x8, "MIDI port, GPIO 5",
73                         {0x30,0x60,0x61,0x62,0x63,0x70,0xf0,0xf1,0xf2,0xf3,
74                          0xf4,0xf5,EOT},
75                         {0x00,0x03,0x30,0x00,0x00,0x09,0xff,0x00,0x00,0x00,
76                          0x00,0x00,EOT}},
77                 {0x9, "GPIO 2, GPIO 3, GPIO 4",
78                         {0x30,0x60,0x61,0xf0,0xf1,0xf2,0xf3,0xf4,0xf5,0xf6,
79                          0xf7,0xf8,0xf5,EOT},
80                         {0x00,0x00,0x00,0xff,0x00,0x00,0xff,0x00,0x00,0xff,
81                          0x00,0x00,0x00,EOT}},
82                 {0xa, "ACPI",
83                         {0x30,0x70,0xe0,0xe1,0xe2,0xe5,0xe6,0xe7,
84                          0xf0,0xf1,0xf3,0xf4,0xf6,0xf7,0xf9,EOT},
85                         {0x00,0x00,0x00,0x00,NANA,0x00,0x00,0x00,
86                          0x00,0x00,0x00,0x00,0x00,0x00,0x00,EOT}},
87                 {0xb, "Hardware monitor",
88                         {0x30,0x60,0x61,0x70,EOT},
89                         {0x00,0x00,0x00,0x00,EOT}},
90                 {EOT}}},
91         {0x610, "W83L517D/D-F", {
92                 {EOT}}},
93         {0x681, "W83697UF/UG", {
94                 {EOT}}},
95         {0x708, "W83637HF", {
96                 {EOT}}},
97         {0x828, "W83627THF/THG", { /* We assume rev is bits 3..0 of 0x21. */
98                 {EOT}}},
99         {0x886, "W83627EHF/EF/EHG/EG", {
100                 {NOLDN, NULL,
101                         {0x20,0x21,0x22,0x23,0x24,0x25,0x26,0x27,0x28,
102                          0x29,0x2a,0x2b,0x2c,0x2d,0x2e,0x2f,EOT},
103                         {0x88,MISC,0xff,0x00,MISC,0x00,MISC,RSVD,0x50,
104                          0x04,0x00,RSVD,0x00,0x21,0x00,0x00,EOT}},
105                 {0x0, "Floppy",
106                         {0x30,0x60,0x61,0x70,0x74,0xf0,0xf1,0xf2,0xf4,
107                          0xf5,EOT},
108                         {0x01,0x03,0xf0,0x06,0x02,0x8e,0x00,0xff,0x00,
109                          0x00,EOT}},
110                 {0x1, "Parallel port",
111                         {0x30,0x60,0x61,0x70,0x74,0xf0,EOT},
112                         {0x01,0x03,0x78,0x07,0x04,0x3f,EOT}},
113                 {0x2, "COM1",
114                         {0x30,0x60,0x61,0x70,0xf0,EOT},
115                         {0x01,0x03,0xf8,0x04,0x00,EOT}},
116                 {0x3, "COM2",
117                         {0x30,0x60,0x61,0x70,0xf0,0xf1,EOT},
118                         {0x01,0x02,0xf8,0x03,0x00,0x00,EOT}},
119                 {0x5, "Keyboard",
120                         {0x30,0x60,0x61,0x62,0x63,0x70,0x72,0xf0,EOT},
121                         {0x01,0x00,0x60,0x00,0x64,0x01,0x0c,0x83,EOT}},
122                 {0x6, "Serial flash interface",
123                         {0x30,0x62,0x63,EOT},
124                         {0x00,0x00,0x00,EOT}},
125                 {0x7, "GPIO 1, GPIO 6, game port, MIDI port",
126                         {0x30,0x60,0x61,0x62,0x63,0x70,0xf0,0xf1,0xf2,0xf3,
127                          0xf4,0xf5,0xf6,0xf7,EOT},
128                         {0x00,0x02,0x01,0x03,0x30,0x09,0xff,0x00,0x00,0x00,
129                          0xff,0x00,0x00,0x00,EOT}},
130                 {0x8, "WDTO#, PLED",
131                         {0x30,0xf5,0xf6,0xf7,EOT},
132                         {0x00,0x00,0x00,0x00,EOT}},
133                 {0x9, "GPIO 2, GPIO 3, GPIO 4, GPIO 5, SUSLED",
134                         {0x30,0xe0,0xe1,0xe2,0xe3,0xe4,0xe5,0xf0,0xf1,0xf2,
135                          0xf3,0xf4,0xf5,0xf6,0xf7,EOT},
136                         {0x00,0xff,0x00,0x00,0xff,0x00,0x00,0xff,0x00,0x00,
137                          0x00,0xff,0x00,0x00,0x00,EOT}},
138                 {0xa, "ACPI",
139                         {0x30,0x70,0xe0,0xe1,0xe2,0xe3,0xe4,0xe5,0xe6,0xe7,
140                          0xe8,0xf2,0xf3,0xf4,0xf6,0xf7,EOT},
141                         {0x00,0x00,0x01,0x00,0xff,0x08,0x00,RSVD,0x00,0x00,
142                          RSVD,0x7c,0x00,0x00,0x00,0x00,EOT}},
143                 {0xb, "Hardware monitor",
144                         {0x30,0x60,0x61,0x70,0xf0,0xf1,EOT},
145                         {0x00,0x00,0x00,0x00,0xc1,0x00,EOT}},
146                 {EOT}}},
147         {0xa23, "W83627UHG", {
148                 {EOT}}},
149         {0x9771, "W83977F-A/G-A/AF-A/AG-A", {
150                 {EOT}}},
151         {0x9773, "W83977TF", {
152                 {EOT}}},
153         {0x9774, "W83977ATF", {
154                 {EOT}}},
155         {0x52, "W83627HF/F/HG/G", {
156                 {EOT}}},
157         {0xa, "W83877F", {
158                 {EOT}}},
159         {0xc, "W83877TF", {
160                 {EOT}}},
161         {0xd, "W83877ATF", {
162                 {EOT}}},
163         {EOT}
164 };
165
166 static void enter_conf_mode_winbond_88(uint16_t port)
167 {
168         outb(0x88, port);
169 }
170
171 static void enter_conf_mode_winbond_89(uint16_t port)
172 {
173         outb(0x89, port);
174 }
175
176 static void enter_conf_mode_winbond_86(uint16_t port)
177 {
178         outb(0x86, port);
179         outb(0x86, port);
180 }
181
182 void probe_idregs_winbond_helper(const char *init, uint16_t port)
183 {
184         uint16_t id;
185         uint8_t devid, rev, olddevid;
186
187         devid = regval(port, DEVICE_ID_REG);
188         rev = regval(port, DEVICE_REV_REG);
189         olddevid = regval(port, DEVICE_ID_REG_OLD);
190
191         if (devid == 0x52)
192                 id = devid;                              /* ID only */
193         else if ((devid == 0x97) && ((rev & 0xf0) == 7))
194                 id = (devid << 8) | rev;                 /* ID and rev */
195         else
196                 id = (devid << 4) | ((rev & 0xf0) >> 4); /* ID and rev[3..0] */
197
198         if (olddevid == 0x0a || olddevid == 0x0c || olddevid == 0x0d)
199                 id = olddevid & 0x0f;                    /* ID[3..0] */
200
201         if (superio_unknown(reg_table, id)) {
202                 no_superio_found("Winbond", init, port);
203                 exit_conf_mode_winbond_fintek_ite_8787(port);
204                 return;
205         }
206
207         if (olddevid == 0x0a || olddevid == 0x0c || olddevid == 0x0d)
208                 printf("Found Winbond %s (id=0x%02x) at 0x%x\n",
209                        get_superio_name(reg_table, id), olddevid, port);
210         else
211                 printf("Found Winbond %s (id=0x%02x, rev=0x%02x) at 0x%x\n",
212                        get_superio_name(reg_table, id), devid, rev, port);
213
214         /* TODO: Special notes in dump output for the MISC entries. */
215         dump_superio("Winbond", reg_table, port, id);
216         dump_superio_readable(port); /* TODO */
217 }
218
219 void probe_idregs_winbond(uint16_t port)
220 {
221         /* TODO: Not all init sequences are valid for all ports. */
222
223         enter_conf_mode_winbond_88(port);
224         probe_idregs_winbond_helper("(init=0x88) ", port);
225         exit_conf_mode_winbond_fintek_ite_8787(port);
226
227         enter_conf_mode_winbond_89(port);
228         probe_idregs_winbond_helper("(init=0x89) ", port);
229         exit_conf_mode_winbond_fintek_ite_8787(port);
230
231         enter_conf_mode_winbond_86(port);
232         probe_idregs_winbond_helper("(init=0x86,0x86) ", port);
233         exit_conf_mode_winbond_fintek_ite_8787(port);
234
235         enter_conf_mode_winbond_fintek_ite_8787(port);
236         probe_idregs_winbond_helper("(init=0x87,0x87) ", port);
237         exit_conf_mode_winbond_fintek_ite_8787(port);
238 }
239