Dump support for the SMSC FDC37B78x.
[coreboot.git] / util / superiotool / smsc.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       0x0d
24 #define DEVICE_REV_REG_OLD      0x0e
25
26 #define DEVICE_ID_REG           0x20
27 #define DEVICE_REV_REG          0x21
28
29 const static struct superio_registers reg_table[] = {
30         {0x28, "FDC37N769", {
31                 {NOLDN, NULL,
32                         {0x00,0x01,0x02,0x03,0x04,0x05,0x06,0x07,0x08,0x09,
33                          0x0a,0x0b,0x0c,0x0d,0x0e,0x0f,0x10,0x11,0x12,0x13,
34                          0x14,0x15,0x16,0x17,0x18,0x19,0x1a,0x1b,0x1c,0x1d,
35                          0x1e,0x1f,0x20,0x21,0x22,0x23,0x24,0x25,0x26,0x27,
36                          0x28,0x29,0x2a,0x2b,0x2c,0x2d,0x2e,0x2f,EOT},
37                         {0x28,0x9c,0x88,0x70,0x00,0x00,0xff,0x00,0x00,0x00,
38                          0x00,0x00,0x02,0x28,NANA,0x00,0x00,0x80,RSVD,RSVD,
39                          NANA,NANA,NANA,0x03,RSVD,RSVD,RSVD,RSVD,RSVD,RSVD,
40                          0x80,0x00,0x3c,RSVD,RSVD,0x00,0x00,0x00,0x00,0x00,
41                          0x00,0x00,RSVD,0x00,0x00,0x03,0x00,0x00,EOT}},
42                 {EOT}}},
43         {0x42, "FDC37B80x", {
44                 {EOT}}},
45         {0x44, "FDC37B78x", {
46                 {NOLDN, NULL,
47                         {0x03,0x07,0x20,0x21,0x22,0x23,0x24,0x26,0x27,0x28,
48                          0x2b,0x2c,0x2d,0x2e,0x2f,EOT},
49                         {0x03,NANA,0x44,0x00,0x00,0x00,0x04,MISC,MISC,0x00,
50                          NANA,NANA,NANA,NANA,NANA,EOT}},
51                 {0x0, "Floppy",
52                         {0x30,0x60,0x61,0x70,0x74,0xf0,0xf1,0xf2,0xf4,0xf5,
53                          EOT},
54                         {0x00,0x03,0xf0,0x06,0x02,0x0e,0x00,0xff,0x00,0x00,
55                          EOT}},
56                 {0x3, "Parallel port",
57                         {0x30,0x60,0x61,0x70,0x74,0xf0,0xf1,EOT},
58                         {0x00,0x00,0x00,0x00,0x04,0x3c,0x00,EOT}},
59                 {0x4, "COM1",
60                         {0x30,0x60,0x61,0x70,0xf0,EOT},
61                         {0x00,0x00,0x00,0x00,0x00,EOT}},
62                 {0x5, "COM2",
63                         {0x30,0x60,0x61,0x62,0x63,0x70,0x74,0xf0,0xf1,0xf2,
64                          EOT},
65                         {NANA,0x00,0x00,0x00,0x00,0x00,0x04,0x00,0x02,0x03,
66                          EOT}},
67                 {0x6, "Real-time clock (RTC)",
68                         {0x30,0x62,0x63,0x70,0xf0,EOT},
69                         {0x00,0x00,0x70,0x00,0x00,EOT}},
70                 {0x7, "Keyboard",
71                         {0x30,0x70,0x72,0xf0,EOT},
72                         {0x00,0x00,0x00,0x00,EOT}},
73                 {0x8, "Aux I/O",
74                         {0x30,0xb0,0xb1,0xb2,0xb3,0xb8,0xc0,0xc1,0xc2,0xc3,
75                          0xc4,0xc5,0xc6,0xc8,0xca,0xcb,0xcc,0xd0,0xd1,0xd2,
76                          0xd3,0xd4,0xd5,0xd6,0xd7,0xe0,0xe1,0xe2,0xe3,0xe4,
77                          0xe5,0xe6,0xe7,0xef,0xf0,0xf1,0xf2,0xf3,0xf4,0xf6,
78                          0xf9,0xfa,EOT},
79                         {0x00,NANA,NANA,NANA,NANA,NANA,NANA,0x01,NANA,NANA,
80                          NANA,0x00,NANA,NANA,NANA,NANA,NANA,NANA,NANA,NANA,
81                          NANA,NANA,NANA,NANA,NANA,NANA,NANA,NANA,NANA,NANA,
82                          NANA,NANA,NANA,NANA,NANA,0x00,0x00,0x00,0x00,NANA,
83                          NANA,NANA,EOT}},
84                 {0xa, "ACPI",
85                         {0x30,0x60,0x61,0x70,0xf0,EOT},
86                         {0x00,0x00,0x00,NANA,NANA,EOT}},
87                 {EOT}}},
88         {0x4c, "FDC37B72x", {
89                 {EOT}}},
90         {0x4d, "FDC37M81x", {
91                 {NOLDN, NULL,
92                         {0x03,0x07,0x20,0x21,0x22,0x23,0x24,0x26,0x27,0x2b,
93                          0x2c,0x2d,0x2e,0x2f,EOT},
94                         {0x03,0x00,0x4d,NANA,0x00,0x00,0x04,MISC,MISC,NANA,
95                          NANA,NANA,NANA,NANA,EOT}},
96                 {0x0, "Floppy",
97                         {0x30,0x60,0x61,0x70,0x74,0xf0,0xf1,0xf2,0xf4,
98                          0xf5,EOT},
99                         {0x00,0x03,0xf0,0x06,0x02,0x0e,0x00,0xff,0x00,
100                          0x00,EOT}},
101                 {0x3, "Parallel port",
102                         {0x30,0x60,0x61,0x70,0x74,0xf0,0xf1,EOT},
103                         {0x00,0x00,0x00,0x00,0x04,0x3c,0x00,EOT}},
104                 {0x4, "COM1",
105                         {0x30,0x60,0x61,0x70,0xf0,EOT},
106                         {0x00,0x00,0x00,0x00,0x00,EOT}},
107                 {0x5, "COM2",
108                         {0x30,0x60,0x61,0x62,0x63,0x70,0xf0,0xf1,0xf2,EOT},
109                         {0x00,0x00,0x00,RSVD,RSVD,0x00,0x00,0x02,0x03,EOT}},
110                 {0x7, "Keyboard",
111                         {0x30,0x70,0x72,0xf0,EOT},
112                         {0x00,0x00,0x00,0x00,EOT}},
113                 {0x8, "Aux I/O",
114                         /* Only 0xf6 existing (and reserved) or 0xf6..0xfb? */
115                         {0x30,0xb4,0xb5,0xb6,0xb7,0xc0,0xc1,0xc2,0xc3,0xc4,
116                          0xc5,0xc6,0xc7,0xc8,0xf1,0xf2,0xf3,0xf4,0xf6,0xf7,
117                          0xf8,0xf9,0xfa,0xfb,EOT},
118                         {0x00,NANA,NANA,NANA,NANA,0x02,0x01,NANA,NANA,NANA,
119                          NANA,NANA,NANA,NANA,0x00,0x00,0x00,0x00,RSVD,RSVD,
120                          RSVD,RSVD,RSVD,RSVD,EOT}},
121                 {EOT}}},
122         {0x47, "FDC37M60x", {
123                 {EOT}}},
124         {0x51, "LPC47B27x", {
125                 {EOT}}},
126         {0x59, "LPC47M10x", {
127                 {NOLDN, NULL,
128                         {0x03,0x07,0x20,0x21,0x22,0x23,0x24,0x26,0x27,0x28,
129                          0x2a,0x2b,0x2c,0x2d,0x2e,0x2f,EOT},
130                         {RSVD,0x00,0x59,NANA,0x00,0x00,0x44,MISC,MISC,RSVD,
131                          NANA,NANA,NANA,NANA,NANA,NANA,EOT}},
132                 {0x0, "Floppy",
133                         {0x30,0x60,0x61,0x70,0x74,0xf0,0xf1,0xf2,0xf4,
134                          0xf5,EOT},
135                         {0x00,0x03,0xf0,0x06,0x02,0x0e,0x00,0xff,0x00,
136                          0x00,EOT}},
137                 {0x3, "Parallel port",
138                         {0x30,0x60,0x61,0x70,0x74,0xf0,0xf1,EOT},
139                         {0x00,0x00,0x00,0x00,0x04,0x3c,0x00,EOT}},
140                 {0x4, "COM1",
141                         {0x30,0x60,0x61,0x70,0xf0,EOT},
142                         {0x00,0x00,0x00,0x00,0x00,EOT}},
143                 {0x5, "COM2",
144                         {0x30,0x60,0x61,0x62,0x63,0x70,0x74,0xf0,0xf1,
145                          0xf2,EOT},
146                         {NANA,0x00,0x00,RSVD,RSVD,0x00,RSVD,0x00,0x02,
147                          0x03,EOT}},
148                 {0x7, "Keyboard",
149                         {0x30,0x70,0x72,0xf0,EOT},
150                         {0x00,0x00,0x00,0x00,EOT}},
151                 {0x9, "Game port",
152                         {0x30,0x60,0x61,EOT},
153                         {0x00,0x00,0x00,EOT}},
154                 {0xa, "Power Management Events (PME)",
155                         {0x30,0x60,0x61,0xf0,0xf1,EOT},
156                         {0x00,0x00,0x00,NANA,RSVD,EOT}},
157                 {0xb, "MPU-401",
158                         {0x30,0x60,0x61,0x70,EOT},
159                         {0x00,0x03,0x30,0x05,EOT}},
160                 {EOT}}},
161         {0x60, "LPC47M15x", {
162                 {EOT}}},
163         {0x62, "LPC47S45x", {
164                 {EOT}}},
165         {0x6e, "LPC47B387", {
166                 /* Found in the HP Compaq Business Desktop d530 Series */
167                 /* http://thread.gmane.org/gmane.linux.bios/26648 */
168                 /* We cannot find a public datasheet for this Super I/O. */
169                 {EOT}}},
170         {0x6f, "LPC47B397", {
171                 {EOT}}},
172         {0x77, "A8000", {       /* ASUS A8000, a rebranded DME1737(?) */
173                 {NOLDN, NULL,
174                         {0x03,0x07,0x20,0x21,0x22,0x23,0x24,0x26,0x27,0x28,
175                          0x2a,0x2b,0x2c,0x2d,0x2e,0x2f,EOT},
176                         {RSVD,0x00,0x77,NANA,0x00,RSVD,0x44,MISC,MISC,RSVD,
177                          NANA,NANA,NANA,NANA,NANA,NANA,EOT}},
178                 {0x0, "Floppy",
179                         {0x30,0x60,0x61,0x70,0x74,0xf0,0xf1,0xf2,0xf4,
180                          0xf5,EOT},
181                         {0x00,0x03,0xf0,0x06,0x02,0x0e,0x00,0xff,0x00,
182                          0x00,EOT}},
183                 {0x3, "Parallel port",
184                         {0x30,0x60,0x61,0x70,0x74,0xf0,0xf1,EOT},
185                         {0x00,0x00,0x00,0x00,0x04,0x3c,0x00,EOT}},
186                 {0x4, "COM1",
187                         {0x30,0x60,0x61,0x70,0xf0,EOT},
188                         {0x00,0x00,0x00,0x00,0x00,EOT}},
189                 {0x5, "COM2",
190                         {0x30,0x60,0x61,0x70,0xf0,0xf1,0xf2,EOT},
191                         {0x00,0x00,0x00,0x00,0x00,0x02,0x03,EOT}},
192                 {0x7, "Keyboard",
193                         {0x30,0x70,0x72,0xf0,EOT},
194                         {0x00,0x00,0x00,0x00,EOT}},
195                 {0xa, "Runtime registers",
196                         {0x30,0x60,0x61,0x62,0x63,0xf0,0xf1,0xf2,EOT},
197                         {0x00,0x00,0x00,0x00,0x00,NANA,RSVD,0x04,EOT}},
198                 {EOT}}},
199         {0x78, "DME1737", {
200                 {NOLDN, NULL,
201                         {0x03,0x07,0x20,0x21,0x22,0x23,0x24,0x26,0x27,0x28,
202                          0x2a,0x2b,0x2c,0x2d,0x2e,0x2f,EOT},
203                         {RSVD,0x00,0x77,NANA,0x00,RSVD,0x44,MISC,MISC,RSVD,
204                          NANA,NANA,NANA,NANA,NANA,NANA,EOT}},
205                 {0x0, "Floppy",
206                         {0x30,0x60,0x61,0x70,0x74,0xf0,0xf1,0xf2,0xf4,
207                          0xf5,EOT},
208                         {0x00,0x03,0xf0,0x06,0x02,0x0e,0x00,0xff,0x00,
209                          0x00,EOT}},
210                 {0x3, "Parallel port",
211                         {0x30,0x60,0x61,0x70,0x74,0xf0,0xf1,EOT},
212                         {0x00,0x00,0x00,0x00,0x04,0x3c,0x00,EOT}},
213                 {0x4, "COM1",
214                         {0x30,0x60,0x61,0x70,0xf0,EOT},
215                         {0x00,0x00,0x00,0x00,0x00,EOT}},
216                 {0x5, "COM2",
217                         {0x30,0x60,0x61,0x70,0xf0,0xf1,0xf2,EOT},
218                         {0x00,0x00,0x00,0x00,0x00,0x02,0x03,EOT}},
219                 {0x7, "Keyboard",
220                         {0x30,0x70,0x72,0xf0,EOT},
221                         {0x00,0x00,0x00,0x00,EOT}},
222                 {0xa, "Runtime registers",
223                         {0x30,0x60,0x61,0x62,0x63,0xf0,0xf1,0xf2,EOT},
224                         {0x00,0x00,0x00,0x00,0x00,NANA,RSVD,0x04,EOT}},
225                 {EOT}}},
226         {0x81, "SCH5307", {
227                 {EOT}}},
228         {EOT}
229 };
230
231 static void enter_conf_mode_smsc(uint16_t port)
232 {
233         outb(0x55, port);
234 }
235
236 static void exit_conf_mode_smsc(uint16_t port)
237 {
238         outb(0xaa, port);
239 }
240
241 static void probe_idregs_smsc_helper(uint16_t port, uint8_t idreg,
242                                      uint8_t revreg)
243 {
244         uint8_t id, rev;
245         const char *info = (idreg == 0x20) ? "(idregs=0x20/0x21) "
246                                            : "(idregs=0x0d/0x0e) ";
247
248         probing_for("SMSC", info, port);
249
250         enter_conf_mode_smsc(port);
251
252         id = regval(port, idreg);
253         rev = regval(port, revreg);
254
255         if (superio_unknown(reg_table, id)) {
256                 if (verbose)
257                         printf(NOTFOUND "id=0x%02x, rev=0x%02x\n", id, rev);
258                 exit_conf_mode_smsc(port);
259                 return;
260         }
261
262         printf("Found %s %s (id=0x%02x, rev=0x%02x) at 0x%x\n",
263                (id == 0x77 ? "ASUS" : "SMSC"), get_superio_name(reg_table, id),
264                id, rev, port);
265
266         dump_superio((id == 0x77 ? "ASUS" : "SMSC"), reg_table, port, id);
267         dump_superio_readable(port); /* TODO */
268
269         exit_conf_mode_smsc(port);
270 }
271
272 void probe_idregs_smsc(uint16_t port)
273 {
274         probe_idregs_smsc_helper(port, DEVICE_ID_REG, DEVICE_REV_REG);
275         probe_idregs_smsc_helper(port, DEVICE_ID_REG_OLD, DEVICE_REV_REG_OLD);
276 }
277