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/*
* This file is part of the LinuxBIOS project.
*
* Copyright (C) 2006 coresystems GmbH <info@coresystems.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_BYTE1_REG 0x20
#define DEVICE_ID_BYTE2_REG 0x21
#define VENDOR_ID_BYTE1_REG 0x23
#define VENDOR_ID_BYTE2_REG 0x24
const static struct superio_registers reg_table[] = {
{0x0604, "F71805", {
{EOT}}},
{0x4103, "F71872", {
{EOT}}},
{EOT}
};
void dump_fintek(uint16_t port, uint16_t did)
{
switch (did) {
case 0x0604:
printf("Fintek F71805\n");
break;
case 0x4103:
printf("Fintek F71872\n");
break;
default:
printf("Unknown Fintek Super I/O: did=0x%04x\n", did);
return;
}
printf("Flash write is %s.\n",
regval(port, 0x28) & 0x80 ? "enabled" : "disabled");
printf("Flash control is 0x%04x.\n", regval(port, 0x28));
printf("27=%02x\n", regval(port, 0x27));
printf("29=%02x\n", regval(port, 0x29));
printf("2a=%02x\n", regval(port, 0x2a));
printf("2b=%02x\n", regval(port, 0x2b));
/* Select UART 1. */
regwrite(port, 0x07, 0x01);
printf("UART1 is %s\n",
regval(port, 0x30) & 1 ? "enabled" : "disabled");
printf("UART1 base=%02x%02x, irq=%02x, mode=%s\n", regval(port, 0x60),
regval(port, 0x61), regval(port, 0x70) & 0x0f,
regval(port, 0xf0) & 0x10 ? "RS485" : "RS232");
/* Select UART 2. */
regwrite(port, 0x07, 0x02);
printf("UART2 is %s\n",
regval(port, 0x30) & 1 ? "enabled" : "disabled");
printf("UART2 base=%02x%02x, irq=%02x, mode=%s\n", regval(port, 0x60),
regval(port, 0x61), regval(port, 0x70) & 0x0f,
regval(port, 0xf0) & 0x10 ? "RS485" : "RS232");
/* Select parallel port. */
regwrite(port, 0x07, 0x03);
printf("PARPORT is %s\n",
regval(port, 0x30) & 1 ? "enabled" : "disabled");
printf("PARPORT base=%02x%02x, irq=%02x\n", regval(port, 0x60),
regval(port, 0x61), regval(port, 0x70) & 0x0f);
/* Select HW monitor. */
regwrite(port, 0x07, 0x04);
printf("HW monitor is %s\n",
regval(port, 0x30) & 1 ? "enabled" : "disabled");
printf("HW monitor base=%02x%02x, irq=%02x\n", regval(port, 0x60),
regval(port, 0x61), regval(port, 0x70) & 0x0f);
/* Select GPIO. */
regwrite(port, 0x07, 0x05);
printf("GPIO is %s\n", regval(port, 0x30) & 1 ? "enabled" : "disabled");
printf
("GPIO 70=%02x, e0=%02x, e1=%02x, e2=%02x, e3=%02x, e4=%02x, e5=%02x\n",
regval(port, 0x70), regval(port, 0xe0), regval(port, 0xe1),
regval(port, 0xe2), regval(port, 0xe3), regval(port, 0xe4),
regval(port, 0xe5));
printf
("GPIO e6=%02x, e7=%02x, e8=%02x, e9=%02x, f0=%02x, f1=%02x, f3=%02x, f4=%02x\n",
regval(port, 0xe6), regval(port, 0xe7), regval(port, 0xe8),
regval(port, 0xe9), regval(port, 0xf0), regval(port, 0xf1),
regval(port, 0xf3), regval(port, 0xf4));
printf("GPIO f5=%02x, f6=%02x, f7=%02x, f8=%02x\n", regval(port, 0xf5),
regval(port, 0xf6), regval(port, 0xf7), regval(port, 0xf8));
}
static void enter_conf_mode_fintek(uint16_t port)
{
/* Enable configuration sequence (Fintek uses this for example)
* Older ITE chips have the same enable sequence.
*/
outb(0x87, port);
outb(0x87, port);
}
static void exit_conf_mode_fintek(uint16_t port)
{
/* Exit MB PnP mode (for Fintek, doesn't hurt ITE). */
outb(0xaa, port);
}
void probe_idregs_fintek(uint16_t port)
{
uint16_t vid, did, did_ite, success = 0;
enter_conf_mode_fintek(port);
did = regval(port, DEVICE_ID_BYTE1_REG);
did |= (regval(port, DEVICE_ID_BYTE2_REG) << 8);
did_ite = ((did & 0xff) << 8) | ((did & 0xff00) >> 8);
vid = regval(port, VENDOR_ID_BYTE1_REG);
vid |= (regval(port, VENDOR_ID_BYTE2_REG) << 8);
/* FIXME */
if (vid != 0x3419 && did_ite != 0x8708 && did_ite != 0x8710) {
no_superio_found(port);
exit_conf_mode_fintek(port);
return;
}
if (did_ite == 0x8708 || did_ite == 0x8701) {
printf("Found ITE IT%04xF (id=0x%04x, rev=0x%01x) at port=0x%x\n", did_ite, did_ite, 0, port); /* FIXME */
dump_ite(port, did_ite);
regwrite(port, 0x02, 0x02); /* FIXME */
return;
}
if (vid == 0xff || vid == 0xffff) {
exit_conf_mode_fintek(port);
return;
}
printf("Found Fintek %s (vid=0x%04x, id=0x%04x) at port=0x%x\n",
get_superio_name(reg_table, did), vid, did, port);
switch (vid) {
case 0x3419:
success = 1;
dump_fintek(port, did);
break;
default:
break;
}
if (!success)
printf("No dump for vid 0x%04x, did 0x%04x\n", vid, did);
exit_conf_mode_fintek(port);
}
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