Uwe Hermann 0702469f16 Fix up and generalize the ITE IT8708F code. It was only working out of
pure luck (and broken code elsewhere). Needs some more fixing.

Add more LDN descriptions to various Super I/Os.

Signed-off-by: Uwe Hermann <uwe@hermann-uwe.de>
Acked-by: Uwe Hermann <uwe@hermann-uwe.de>



git-svn-id: svn://svn.coreboot.org/coreboot/trunk@2793 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1
2007-09-20 22:13:48 +00:00

253 lines
8.3 KiB
C

/*
* This file is part of the LinuxBIOS project.
*
* Copyright (C) 2007 Carl-Daniel Hailfinger
* 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 CHIP_ID_BYTE1_REG 0x20
#define CHIP_ID_BYTE2_REG 0x21
#define CHIP_VERSION_REG 0x22
/* Note: IT8726F has ID 0x8726 (datasheet wrongly says 0x8716). */
const static struct superio_registers reg_table[] = {
{0x8702, "IT8702F", {
{EOT}}},
{0x8705, "IT8705F or IT8700F", {
{EOT}}},
{0x8708, "IT8708F", {
{NOLDN, NULL,
{0x07,0x20,0x21,0x22,0x23,0x24,0x25,0x26,0x27,0x28,
0x29,0x2a,0x2e,0x2f,EOT},
{NANA,0x87,0x08,0x00,0x00,NANA,0x3f,0x00,0xff,0xff,
0xff,0xff,0x00,0x00,EOT}},
{0x0, "Floppy",
{0x30,0x60,0x61,0x70,0x74,0xf0,0xf1,EOT},
{0x00,0x03,0xf0,0x06,0x02,0x00,0x00,EOT}},
{0x1, "COM1",
{0x30,0x60,0x61,0x70,0xf0,EOT},
{0x00,0x03,0xf8,0x04,0x00,EOT}},
{0x2, "COM2",
{0x30,0x60,0x61,0x70,0xf0,0xf1,0xf2,0xf3,EOT},
{0x00,0x02,0xf8,0x03,0x00,0x50,0x00,0x7f,EOT}},
{0x3, "Parallel port",
{0x30,0x60,0x61,0x62,0x63,0x64,0x65,0x70,0x74,
0xf0,EOT},
{0x00,0x03,0x78,0x07,0x78,0x00,0x80,0x07,0x03,
0x03,EOT}},
{0x4, "SWC",
{0xe0,0xe1,0xe2,0xe3,0xe4,0xe5,0xe6,0xe7,
0xf0,0xf1,0xf2,0xf3,0xf4,0xf5,0xf6,EOT},
{NANA,NANA,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,NANA,NANA,EOT}},
{0x5, "Keyboard",
/* Note: 0x30 can actually be 0x00 _or_ 0x01. */
{0x30,0x60,0x61,0x62,0x63,0x70,0x71,0xf0,EOT},
{0x01,0x00,0x60,0x00,0x64,0x01,0x02,0x00,EOT}},
{0x6, "Mouse",
{0x30,0x70,0x71,0xf0,EOT},
{0x00,0x0c,0x02,0x00,EOT}},
{0x7, "GPIO",
{0x70,0xb0,0xb1,0xb2,0xb3,0xb4,0xb5,0xb8,0xb9,0xba,
0xbb,0xbc,0xbd,0xc0,0xc1,0xc2,0xc3,0xc4,0xc5,0xc8,
0xc9,0xca,0xcb,0xcc,0xcd,0xd0,0xd1,0xd2,0xd3,0xd4,
0xd5,0xd6,0xd7,0xd8,0xd9,0xda,0xdb,0xdc,0xf0,0xf1,
0xf2,0xf3,0xf4,0xf5,0xf6,0xf7,0xf8,0xf9,0xfa,0xfb,
0xfc,EOT},
{0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,NANA,NANA,NANA,NANA,NANA,NANA,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,NANA,
0x00,EOT}},
{0x8, "Game port",
{0x30,0x60,0x61,EOT},
{0x00,0x02,0x01,EOT}},
{0x9, "Consumer IR",
{0x30,0x60,0x61,0x70,0xf0,EOT},
{0x00,0x03,0x10,0x0b,0x00,EOT}},
{0xa, "MIDI port",
{0x30,0x60,0x61,0x70,0xf0,EOT},
{0x00,0x03,0x00,0x0a,0x00,EOT}},
{EOT}}},
{0x8710, "IT8710F", {
{EOT}}},
{0x8712, "IT8712F", {
{NOLDN, NULL,
{0x07,0x20,0x21,0x22,0x23,0x24,0x2b,EOT},
{NANA,0x87,0x12,0x08,0x00,0x00,0x00,EOT}},
{0x0, "Floppy",
{0x30,0x60,0x61,0x70,0x74,0xf0,0xf1,EOT},
{0x00,0x03,0xf0,0x06,0x02,0x00,0x00,EOT}},
{0x1, "COM1",
{0x30,0x60,0x61,0x70,0xf0,0xf1,0xf2,0xf3,EOT},
{0x00,0x03,0xf8,0x04,0x00,0x50,0x00,0x7f,EOT}},
{0x2, "COM2",
{0x30,0x60,0x61,0x70,0xf0,0xf1,0xf2,0xf3,EOT},
{0x00,0x02,0xf8,0x03,0x00,0x50,0x00,0x7f,EOT}},
{0x3, "Parallel port",
{0x30,0x60,0x61,0x62,0x63,0x70,0x74,0xf0,EOT},
{0x00,0x03,0x78,0x07,0x78,0x07,0x03,0x03,EOT}},
{0x4, "Environment controller",
{0x30,0x60,0x61,0x62,0x63,0x70,0xf0,0xf1,0xf2,0xf3,
0xf4,0xf5,0xf6,EOT},
{0x00,0x02,0x90,0x02,0x30,0x09,0x00,0x00,0x00,0x00,
0x00,NANA,NANA,EOT}},
{0x5, "Keyboard",
/* TODO: 0xf0: Error in datasheet? */
{0x30,0x60,0x61,0x62,0x63,0x70,0x71,0xf0,EOT},
{0x01,0x00,0x60,0x00,0x64,0x01,0x02,0x08,EOT}},
{0x6, "Mouse",
{0x30,0x70,0x71,0xf0,EOT},
{0x00,0x0c,0x02,0x00,EOT}},
{0x7, "GPIO", /* TODO: 0x72, 0x73: Errors in datasheet? */
{0x25,0x26,0x27,0x28,0x29,0x2a,0x2c,0x60,0x61,0x62,
0x63,0x64,0x65,0x70,0x71,0x72,0x73,0x74,0xb0,0xb1,
0xb2,0xb3,0xb4,0xb5,0xb8,0xb9,0xba,0xbb,0xbc,0xbd,
0xc0,0xc1,0xc2,0xc3,0xc4,0xc8,0xc9,0xca,0xcb,0xcc,
0xe0,0xe1,0xe2,0xe3,0xe4,0xf0,0xf1,0xf2,0xf3,0xf4,
0xf5,0xf6,0xf7,0xf8,0xf9,0xfa,0xfb,0xfc,0xfd,EOT},
{0x01,0x00,0x00,0x40,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0xc0,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x01,0x00,0x00,0x40,0x00,0x01,0x00,0x00,0x40,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,NANA,0x00,EOT}},
{0x8, "MIDI port",
{0x30,0x60,0x61,0x70,0xf0,EOT},
{0x00,0x03,0x00,0x0a,0x00,EOT}},
{0x9, "Game port",
{0x30,0x60,0x61,EOT},
{0x00,0x02,0x01,EOT}},
{0xa, "Consumer IR",
{0x30,0x60,0x61,0x70,0xf0,EOT},
{0x00,0x03,0x10,0x0b,0x00,EOT}},
{EOT}}},
{0x8716, "IT8716F", {
{NOLDN, NULL,
{0x07,0x20,0x21,0x22,0x23,0x24,0x2b,EOT},
{NANA,0x87,0x16,0x01,0x00,0x00,0x00,EOT}},
{0x0, NULL,
{0x30,0x60,0x61,0x70,0x74,0xf0,0xf1,EOT},
{0x00,0x03,0xf0,0x06,0x02,0x00,0x00,EOT}},
{0x1, NULL,
{0x30,0x60,0x61,0x70,0xf0,0xf1,0xf2,0xf3,EOT},
{0x00,0x03,0xf8,0x04,0x00,0x50,0x00,0x7f,EOT}},
{0x2, NULL,
{0x30,0x60,0x61,0x70,0xf0,0xf1,0xf2,0xf3,EOT},
{0x00,0x02,0xf8,0x03,0x00,0x50,0x00,0x7f,EOT}},
{0x3, NULL,
{0x30,0x60,0x61,0x62,0x63,0x70,0x74,0xf0,EOT},
{0x00,0x03,0x78,0x07,0x78,0x07,0x03,0x03,EOT}},
{0x4, NULL,
{0x30,0x60,0x61,0x62,0x63,0x70,0xf0,0xf1,0xf2,0xf3,
0xf4,0xf5,0xf6,EOT},
{0x00,0x02,0x90,0x02,0x30,0x09,0x00,0x00,0x00,0x00,
0x00,NANA,NANA,EOT}},
{0x5, NULL,
{0x30,0x60,0x61,0x62,0x63,0x70,0x71,0xf0,EOT},
{0x01,0x00,0x60,0x00,0x64,0x01,0x02,0x00,EOT}},
{0x6, NULL,
{0x30,0x70,0x71,0xf0,EOT},
{0x00,0x0c,0x02,0x00,EOT}},
{0x7, NULL,
{0x25,0x26,0x27,0x28,0x29,0x2a,0x2c,0x60,0x61,0x62,
0x63,0x64,0x65,0x70,0x71,0x72,0x73,0x74,0xb0,0xb1,
0xb2,0xb3,0xb4,0xb5,0xb8,0xb9,0xba,0xbb,0xbc,0xbd,
0xc0,0xc1,0xc2,0xc3,0xc4,0xc8,0xc9,0xca,0xcb,0xcc,
0xe0,0xe1,0xe2,0xe3,0xe4,0xf0,0xf1,0xf2,0xf3,0xf4,
0xf5,0xf6,0xf7,0xf8,0xf9,0xfa,0xfb,0xfc,0xfd,EOT},
{0x01,0x00,0x00,0x40,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x20,0x38,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x01,0x00,0x00,0x40,0x00,0x01,0x00,0x00,0x40,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,NANA,0x00,EOT}},
{0x8, NULL,
{0x30,0x60,0x61,0x70,0xf0,EOT},
{0x00,0x03,0x00,0x0a,0x00,EOT}},
{0x9, NULL,
{0x30,0x60,0x61,EOT},
{0x00,0x02,0x01,EOT}},
{0xa, NULL,
{0x30,0x60,0x61,0x70,0xf0,EOT},
{0x00,0x03,0x10,0x0b,0x00,EOT}},
{EOT}}},
{0x8718, "IT8718F", {
{EOT}}},
{EOT}
};
/* TODO: Drop this function later. */
void dump_ite(uint16_t port, uint16_t id)
{
dump_superio("ITE", reg_table, port, id);
}
/**
* Enable configuration sequence (ITE uses this for newer IT87[012]xF).
*
* IT871[01]F uses 0x87, 0x87 -> Fintek detection should handle it
* IT8708F uses 0x87, 0x87 -> Fintek detection should handle it
* IT8761F uses 0x87, 0x61, 0x55, 0x55/0xaa
* IT86xxF series uses different ports
* IT8661F uses 0x86, 0x61, 0x55/0xaa, 0x55/0xaa and 32 more writes
* IT8673F uses 0x86, 0x80, 0x55/0xaa, 0x55/0xaa and 32 more writes
*/
static void enter_conf_mode_ite(uint16_t port)
{
outb(0x87, port);
outb(0x01, port);
outb(0x55, port);
if (port == 0x2e)
outb(0x55, port);
else
outb(0xaa, port);
}
static void exit_conf_mode_ite(uint16_t port)
{
regwrite(port, 0x02, 0x02);
}
void probe_idregs_ite(uint16_t port)
{
uint16_t id, chipver;
enter_conf_mode_ite(port);
id = regval(port, CHIP_ID_BYTE1_REG) << 8;
id |= regval(port, CHIP_ID_BYTE2_REG);
chipver = regval(port, CHIP_VERSION_REG) & 0x0f; /* Only bits 3..0 */
if (superio_unknown(reg_table, id)) {
no_superio_found(port);
exit_conf_mode_ite(port);
return;
}
printf("Found ITE %s (id=0x%04x, rev=0x%01x) at port=0x%x\n",
get_superio_name(reg_table, id), id, chipver, port);
dump_superio("ITE", reg_table, port, id);
exit_conf_mode_ite(port);
}