Split out enter_conf_mode_*()/exit_conf_mode_() functions, we'll soon need
[coreboot.git] / util / superiotool / ite.c
1 /*
2  * This file is part of the LinuxBIOS project.
3  *
4  * Copyright (C) 2007 Carl-Daniel Hailfinger
5  * Copyright (C) 2007 Uwe Hermann <uwe@hermann-uwe.de>
6  *
7  * This program is free software; you can redistribute it and/or modify
8  * it under the terms of the GNU General Public License as published by
9  * the Free Software Foundation; either version 2 of the License, or
10  * (at your option) any later version.
11  *
12  * This program is distributed in the hope that it will be useful,
13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
15  * GNU General Public License for more details.
16  *
17  * You should have received a copy of the GNU General Public License
18  * along with this program; if not, write to the Free Software
19  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301 USA
20  */
21
22 #include "superiotool.h"
23
24 const static struct superio_registers reg_table[] = {
25         {0x8702, "IT8702", {
26                 {EOT}}},
27         {0x8705, "IT8705 or IT8700", {
28                 {EOT}}},
29         {0x8708, "IT8708", {
30                 {NOLDN,
31                         {0x07,0x20,0x21,0x22,0x23,0x24,0x25,0x26,0x27,0x28,
32                          0x29,0x2a,0x2e,0x2f,EOT},
33                         {NANA,0x87,0x08,0x00,0x00,NANA,0x3f,0x00,0xff,0xff,
34                          0xff,0xff,0x00,0x00,EOT}},
35                 {0x0,
36                         {0x30,0x60,0x61,0x70,0x74,0xf0,0xf1,EOT},
37                         {0x00,0x03,0xf0,0x06,0x02,0x00,0x00,EOT}},
38                 {0x1,
39                         {0x30,0x60,0x61,0x70,0xf0,EOT},
40                         {0x00,0x03,0xf8,0x04,0x00,EOT}},
41                 {0x2,
42                         {0x30,0x60,0x61,0x70,0xf0,0xf1,0xf2,0xf3,EOT},
43                         {0x00,0x02,0xf8,0x03,0x00,0x50,0x00,0x7f,EOT}},
44                 {0x3,
45                         {0x30,0x60,0x61,0x62,0x63,0x64,0x65,0x70,0x74,
46                          0xf0,EOT},
47                         {0x00,0x03,0x78,0x07,0x78,0x00,0x80,0x07,0x03,
48                          0x03,EOT}},
49                 {0x4,
50                         {0xe0,0xe1,0xe2,0xe3,0xe4,0xe5,0xe6,0xe7,
51                          0xf0,0xf1,0xf2,0xf3,0xf4,0xf5,0xf6,EOT},
52                         {NANA,NANA,0x00,0x00,0x00,0x00,0x00,0x00,
53                          0x00,0x00,0x00,0x00,0x00,NANA,NANA,EOT}},
54                 {0x5,   /* Note: 0x30 can actually be 0x00 _or_ 0x01. */
55                         {0x30,0x60,0x61,0x62,0x63,0x70,0x71,0xf0,EOT},
56                         {0x01,0x00,0x60,0x00,0x64,0x01,0x02,0x00,EOT}},
57                 {0x6,
58                         {0x30,0x70,0x71,0xf0,EOT},
59                         {0x00,0x0c,0x02,0x00,EOT}},
60                 {0x7,
61                         {0x70,0xb0,0xb1,0xb2,0xb3,0xb4,0xb5,0xb8,0xb9,0xba,
62                          0xbb,0xbc,0xbd,0xc0,0xc1,0xc2,0xc3,0xc4,0xc5,0xc8,
63                          0xc9,0xca,0xcb,0xcc,0xcd,0xd0,0xd1,0xd2,0xd3,0xd4,
64                          0xd5,0xd6,0xd7,0xd8,0xd9,0xda,0xdb,0xdc,0xf0,0xf1,
65                          0xf2,0xf3,0xf4,0xf5,0xf6,0xf7,0xf8,0xf9,0xfa,0xfb,
66                          0xfc,EOT},
67                         {0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
68                          0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
69                          0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
70                          0x00,0x00,NANA,NANA,NANA,NANA,NANA,NANA,0x00,0x00,
71                          0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,NANA,
72                          0x00,EOT}},
73                 {0x8,
74                         {0x30,0x60,0x61,EOT},
75                         {0x00,0x02,0x01,EOT}},
76                 {0x9,
77                         {0x30,0x60,0x61,0x70,0xf0,EOT},
78                         {0x00,0x03,0x10,0x0b,0x00,EOT}},
79                 {0xa,
80                         {0x30,0x60,0x61,0x70,0xf0,EOT},
81                         {0x00,0x03,0x00,0x0a,0x00,EOT}},
82                 {EOT}}},
83         {0x8710, "IT8710", {
84                 {EOT}}},
85         {0x8712, "IT8712", {
86                 {NOLDN,
87                         {0x07,0x20,0x21,0x22,0x23,0x24,0x2b,EOT},
88                         {NANA,0x87,0x12,0x08,0x00,0x00,0x00,EOT}},
89                 {0x0,
90                         {0x30,0x60,0x61,0x70,0x74,0xf0,0xf1,EOT},
91                         {0x00,0x03,0xf0,0x06,0x02,0x00,0x00,EOT}},
92                 {0x1,
93                         {0x30,0x60,0x61,0x70,0xf0,0xf1,0xf2,0xf3,EOT},
94                         {0x00,0x03,0xf8,0x04,0x00,0x50,0x00,0x7f,EOT}},
95                 {0x2,
96                         {0x30,0x60,0x61,0x70,0xf0,0xf1,0xf2,0xf3,EOT},
97                         {0x00,0x02,0xf8,0x03,0x00,0x50,0x00,0x7f,EOT}},
98                 {0x3,
99                         {0x30,0x60,0x61,0x62,0x63,0x70,0x74,0xf0,EOT},
100                         {0x00,0x03,0x78,0x07,0x78,0x07,0x03,0x03,EOT}},
101                 {0x4,
102                         {0x30,0x60,0x61,0x62,0x63,0x70,0xf0,0xf1,0xf2,0xf3,
103                          0xf4,0xf5,0xf6,EOT},
104                         {0x00,0x02,0x90,0x02,0x30,0x09,0x00,0x00,0x00,0x00,
105                          0x00,NANA,NANA,EOT}},
106                 {0x5,
107                         {0x30,0x60,0x61,0x62,0x63,0x70,0x71,0xf0,EOT},
108                         {0x01,0x00,0x60,0x00,0x64,0x01,0x02,0x08,EOT}},
109                 {0x6,
110                         {0x30,0x70,0x71,0xf0,EOT},
111                         {0x00,0x0c,0x02,0x00,EOT}},
112                 {0x7,
113                         {0x25,0x26,0x27,0x28,0x29,0x2a,0x2c,0x60,0x61,0x62,
114                          0x63,0x64,0x65,0x70,0x71,0x72,0x73,0x74,0xb0,0xb1,
115                          0xb2,0xb3,0xb4,0xb5,0xb8,0xb9,0xba,0xbb,0xbc,0xbd,
116                          0xc0,0xc1,0xc2,0xc3,0xc4,0xc8,0xc9,0xca,0xcb,0xcc,
117                          0xe0,0xe1,0xe2,0xe3,0xe4,0xf0,0xf1,0xf2,0xf3,0xf4,
118                          0xf5,0xf6,0xf7,0xf8,0xf9,0xfa,0xfb,0xfc,0xfd,EOT},
119                         {0x01,0x00,0x00,0x40,0x00,0x00,0x00,0x00,0x00,0x00,
120                          0x00,0x00,0x00,0x00,0x00,0x30,0x38,0x00,0x00,0x00,
121                          0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
122                          0x01,0x00,0x00,0x40,0x00,0x01,0x00,0x00,0x40,0x00,
123                          0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
124                          0x00,0x00,0x00,0x00,0x00,0x00,0x00,NANA,0x00,EOT}},
125                 {0x8,
126                         {0x30,0x60,0x61,0x70,0xf0,EOT},
127                         {0x00,0x03,0x00,0x0a,0x00,EOT}},
128                 {0x9,
129                         {0x30,0x60,0x61,EOT},
130                         {0x00,0x02,0x01,EOT}},
131                 {0xa,
132                         {0x30,0x60,0x61,0x70,0xf0,EOT},
133                         {0x00,0x03,0x10,0x0b,0x00,EOT}},
134                 {EOT}}},
135         {0x8716, "IT8716", {
136                 {NOLDN,
137                         {0x07,0x20,0x21,0x22,0x23,0x24,0x2b,EOT},
138                         {NANA,0x87,0x16,0x01,0x00,0x00,0x00,EOT}},
139                 {0x0,
140                         {0x30,0x60,0x61,0x70,0x74,0xf0,0xf1,EOT},
141                         {0x00,0x03,0xf0,0x06,0x02,0x00,0x00,EOT}},
142                 {0x1,
143                         {0x30,0x60,0x61,0x70,0xf0,0xf1,0xf2,0xf3,EOT},
144                         {0x00,0x03,0xf8,0x04,0x00,0x50,0x00,0x7f,EOT}},
145                 {0x2,
146                         {0x30,0x60,0x61,0x70,0xf0,0xf1,0xf2,0xf3,EOT},
147                         {0x00,0x02,0xf8,0x03,0x00,0x50,0x00,0x7f,EOT}},
148                 {0x3,
149                         {0x30,0x60,0x61,0x62,0x63,0x70,0x74,0xf0,EOT},
150                         {0x00,0x03,0x78,0x07,0x78,0x07,0x03,0x03,EOT}},
151                 {0x4,
152                         {0x30,0x60,0x61,0x62,0x63,0x70,0xf0,0xf1,0xf2,0xf3,
153                          0xf4,0xf5,0xf6,EOT},
154                         {0x00,0x02,0x90,0x02,0x30,0x09,0x00,0x00,0x00,0x00,
155                          0x00,NANA,NANA,EOT}},
156                 {0x5,
157                         {0x30,0x60,0x61,0x62,0x63,0x70,0x71,0xf0,EOT},
158                         {0x01,0x00,0x60,0x00,0x64,0x01,0x02,0x00,EOT}},
159                 {0x6,
160                         {0x30,0x70,0x71,0xf0,EOT},
161                         {0x00,0x0c,0x02,0x00,EOT}},
162                 {0x7,
163                         {0x25,0x26,0x27,0x28,0x29,0x2a,0x2c,0x60,0x61,0x62,
164                          0x63,0x64,0x65,0x70,0x71,0x72,0x73,0x74,0xb0,0xb1,
165                          0xb2,0xb3,0xb4,0xb5,0xb8,0xb9,0xba,0xbb,0xbc,0xbd,
166                          0xc0,0xc1,0xc2,0xc3,0xc4,0xc8,0xc9,0xca,0xcb,0xcc,
167                          0xe0,0xe1,0xe2,0xe3,0xe4,0xf0,0xf1,0xf2,0xf3,0xf4,
168                          0xf5,0xf6,0xf7,0xf8,0xf9,0xfa,0xfb,0xfc,0xfd,EOT},
169                         {0x01,0x00,0x00,0x40,0x00,0x00,0x00,0x00,0x00,0x00,
170                          0x00,0x00,0x00,0x00,0x00,0x20,0x38,0x00,0x00,0x00,
171                          0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
172                          0x01,0x00,0x00,0x40,0x00,0x01,0x00,0x00,0x40,0x00,
173                          0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
174                          0x00,0x00,0x00,0x00,0x00,0x00,0x00,NANA,0x00,EOT}},
175                 {0x8,
176                         {0x30,0x60,0x61,0x70,0xf0,EOT},
177                         {0x00,0x03,0x00,0x0a,0x00,EOT}},
178                 {0x9,
179                         {0x30,0x60,0x61,EOT},
180                         {0x00,0x02,0x01,EOT}},
181                 {0xa,
182                         {0x30,0x60,0x61,0x70,0xf0,EOT},
183                         {0x00,0x03,0x10,0x0b,0x00,EOT}},
184                 {EOT}}},
185         {0x8718, "IT8718", {
186                 {EOT}}},
187         {EOT}
188 };
189
190 void dump_ite(uint16_t port, uint16_t id)
191 {
192         int i;
193
194         /* TODO: Get datasheets for IT8711 and IT8712. */
195         switch (id) {
196         case 0x8702:
197         case 0x8705: /* IT8700F or IT8705F */
198         case 0x8708:
199         case 0x8710:
200         case 0x8712:
201         case 0x8716:
202         /* Note: IT8726F has ID 0x8726 (datasheet wrongly says 0x8716). */
203         case 0x8718:
204                 dump_superio("ITE", reg_table, port, id);
205                 break;
206         default:
207                 printf("Unknown ITE chip, id=%04x\n", id);
208                 for (i = 0x20; i <= 0x24; i++)
209                         printf("index %02x=%02x\n", i, regval(port, i));
210                 break;
211         }
212 }
213
214 void enter_conf_mode_ite(uint16_t port)
215 {
216         /* Enable configuration sequence (ITE uses this for newer IT87[012]x)
217          * IT871[01] uses 0x87, 0x87 -> fintek detection should handle it
218          * IT8708 uses 0x87, 0x87 -> fintek detection should handle it
219          * IT8761 uses 0x87, 0x61, 0x55, 0x55/0xaa
220          * IT86xx series uses different ports
221          * IT8661 uses 0x86, 0x61, 0x55/0xaa, 0x55/0xaa and 32 more writes
222          * IT8673 uses 0x86, 0x80, 0x55/0xaa, 0x55/0xaa and 32 more writes
223          */
224         outb(0x87, port);
225         outb(0x01, port);
226         outb(0x55, port);
227         if (port == 0x2e)
228                 outb(0x55, port);
229         else
230                 outb(0xAA, port);
231 }
232
233 void exit_conf_mode_ite(uint16_t port)
234 {
235         regwrite(port, 0x02, 0x02);
236 }
237
238 void probe_idregs_ite(uint16_t port)
239 {
240         uint16_t id, chipver;
241
242         enter_conf_mode_ite(port);
243
244         /* Read Chip ID Byte 1. */
245         id = regval(port, 0x20);
246         if (id != 0x87) {
247                 if (inb(port) == 0xff)
248                         printf("No Super I/O chip found at 0x%04x\n", port);
249                 else
250                         printf("Probing 0x%04x, failed (0x%02x), data returns 0x%02x\n", port, inb(port), inb(port + 1));
251                 return;
252         }
253
254         id <<= 8;
255
256         /* Read Chip ID Byte 2. */
257         id |= regval(port, 0x21);
258
259         /* Read chip version, only bits 3..0 for all IT87xx. */
260         chipver = regval(port, 0x22) & 0x0f;
261
262         printf("Super I/O found at 0x%02x: id=0x%04x, chipver=0x%01x\n",
263                port, id, chipver);
264
265         dump_ite(port, id);
266
267         exit_conf_mode_ite(port);
268 }
269