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/*
* This file is part of the LinuxBIOS project.
*
* Copyright (C) 2007 Uwe Hermann <uwe@hermann-uwe.de>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include "superiotool.h"
#define DEVICE_ID_REG 0x0d
#define DEVICE_REV_REG 0x0e
const static struct superio_registers reg_table[] = {
{0x28, "FDC37N769", {
{NOLDN,
{0x00,0x01,0x02,0x03,0x04,0x05,0x06,0x07,0x08,0x09,
0x0a,0x0b,0x0c,0x0d,0x0e,0x0f,0x10,0x11,0x12,0x13,
0x14,0x15,0x16,0x17,0x18,0x19,0x1a,0x1b,0x1c,0x1d,
0x1e,0x1f,0x20,0x21,0x22,0x23,0x24,0x25,0x26,0x27,
0x28,0x29,0x2a,0x2b,0x2c,0x2d,0x2e,0x2f,EOT},
{0x28,0x9c,0x88,0x70,0x00,0x00,0xff,0x00,0x00,0x00,
0x00,0x00,0x02,0x28,NANA,0x00,0x00,0x80,RSVD,RSVD,
NANA,NANA,NANA,0x03,RSVD,RSVD,RSVD,RSVD,RSVD,RSVD,
0x80,0x00,0x3c,RSVD,RSVD,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,RSVD,0x00,0x00,0x03,0x00,0x00,EOT}},
{EOT}}},
{EOT}
};
/* Note: The actual SMSC ID is 16 bits, but we must pass 32 bits here. */
void dump_smsc(uint32_t port, uint32_t id)
{
switch (id) {
case 0x28:
dump_superio("SMSC", reg_table, port, id);
break;
default:
printf("Unknown SMSC chip, id=0x%02x\n", id);
break;
}
}
void probe_idregs_smsc(unsigned short port)
{
uint16_t id, rev;
outb(0x55, port); /* Enter configuration mode. */
/* Read device ID. */
id = regval(port, DEVICE_ID_REG);
if (id != 0x28) { /* TODO: Support for other SMSC chips. */
if (inb(port) != 0xff)
printf("No Super I/O chip found at 0x%04x\n", port);
else
printf("Probing 0x%04x, failed (0x%02x), data returns 0x%02x\n", port, inb(port), inb(port + 1));
return;
}
/* Read chip revision. */
rev = regval(port, DEVICE_REV_REG);
printf("Super I/O found at 0x%04x: id=0x%02x, rev=0x%02x\n",
port, id, rev);
switch (id) {
case 0x28:
dump_smsc(port, id);
break;
default:
printf("No dump for ID 0x%04x\n", id);
break;
}
outb(0xaa, port); /* Exit configuration mode. */
}
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