2 * This file is part of the LinuxBIOS project.
4 * Copyright (C) 2007 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 as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
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.
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
21 #include "superiotool.h"
23 #define DEVICE_ID_REG 0x0d
24 #define DEVICE_REV_REG 0x0e
26 const static struct superio_registers reg_table[] = {
29 {0x00,0x01,0x02,0x03,0x04,0x05,0x06,0x07,0x08,0x09,
30 0x0a,0x0b,0x0c,0x0d,0x0e,0x0f,0x10,0x11,0x12,0x13,
31 0x14,0x15,0x16,0x17,0x18,0x19,0x1a,0x1b,0x1c,0x1d,
32 0x1e,0x1f,0x20,0x21,0x22,0x23,0x24,0x25,0x26,0x27,
33 0x28,0x29,0x2a,0x2b,0x2c,0x2d,0x2e,0x2f,EOT},
34 {0x28,0x9c,0x88,0x70,0x00,0x00,0xff,0x00,0x00,0x00,
35 0x00,0x00,0x02,0x28,NANA,0x00,0x00,0x80,RSVD,RSVD,
36 NANA,NANA,NANA,0x03,RSVD,RSVD,RSVD,RSVD,RSVD,RSVD,
37 0x80,0x00,0x3c,RSVD,RSVD,0x00,0x00,0x00,0x00,0x00,
38 0x00,0x00,RSVD,0x00,0x00,0x03,0x00,0x00,EOT}},
43 /* Note: The actual SMSC ID is 16 bits, but we must pass 32 bits here. */
44 void dump_smsc(uint32_t port, uint32_t id)
48 dump_superio("SMSC", reg_table, port, id);
51 printf("Unknown SMSC chip, id=0x%02x\n", id);
56 void probe_idregs_smsc(uint32_t port)
60 outb(0x55, port); /* Enter configuration mode. */
63 id = regval(port, DEVICE_ID_REG);
64 if (id != 0x28) { /* TODO: Support for other SMSC chips. */
65 if (inb(port) != 0xff)
66 printf("No Super I/O chip found at 0x%04x\n", port);
68 printf("Probing 0x%04x, failed (0x%02x), data returns 0x%02x\n", port, inb(port), inb(port + 1));
72 /* Read chip revision. */
73 rev = regval(port, DEVICE_REV_REG);
75 printf("Super I/O found at 0x%04x: id=0x%02x, rev=0x%02x\n",
83 printf("No dump for ID 0x%04x\n", id);
87 outb(0xaa, port); /* Exit configuration mode. */