coreboot-kgpe-d16/util/superiotool/ali.c

90 lines
2.2 KiB
C

/* This file is part of the superiotool project */
/* SPDX-License-Identifier: GPL-2.0-or-later */
#include "superiotool.h"
#define DEVICE_ID_BYTE1_REG 0x20
#define DEVICE_ID_BYTE2_REG 0x21
#define DEVICE_REV_REG 0x1f
static const struct superio_registers reg_table[] = {
/* TODO: M5113 doesn't seem to have ID registers? */
{0x5315, "M1535/M1535D/M1535+/M1535D+", {
{NOLDN, NULL,
{0x1f,0x20,0x21,0x22,0x23,0x2c,0x2d,0x2e,EOT},
{NANA,0x53,0x15,0x00,0x00,RSVD,RSVD,RSVD,EOT}},
{0x0, "Floppy",
{0x30,0x60,0x61,0x70,0x74,0xf0,0xf1,0xf2,0xf4,EOT},
{0x00,0x03,0xf0,0x06,0x02,0x08,0x00,0xff,0x00,EOT}},
{0x3, "Parallel port",
{0x30,0x60,0x61,0x70,0x74,0xf0,0xf1,EOT},
{0x00,0x03,0x78,0x05,0x04,0x8c,0xc5,EOT}},
{0x4, "COM1",
{0x30,0x60,0x61,0x70,0xf0,0xf1,0xf2,EOT},
{0x00,0x03,0xf8,0x04,0x00,0x00,0x0c,EOT}},
{0x5, "COM2",
{0x30,0x60,0x61,0x70,0x74,0xf0,0xf1,0xf2,EOT},
{0x00,0x03,0xe8,0x09,0x04,0x80,0x00,0x0c,EOT}},
{0x7, "Keyboard",
{0x30,0x70,0x72,0xf0,EOT},
{NANA,0x01,0x00,0x00,EOT}},
{0x8, "COM3",
{0x30,0x60,0x61,0x70,0xf0,0xf1,0xf2,EOT},
{0x00,0x02,0xf8,0x03,0x00,0x00,0x0c,EOT}},
{0xc, "Hotkey",
{0x30,0xf0,0xf1,0xf2,0xf3,0xf4,0xf5,EOT},
{0x00,0x35,0x14,0x11,0x71,RSVD,0x05,EOT}},
{EOT}}},
{0x2351, "M512x", {
{EOT}}},
{EOT}
};
static void enter_conf_mode_ali(uint16_t port)
{
OUTB(0x51, port);
OUTB(0x23, port);
}
static void exit_conf_mode_ali(uint16_t port)
{
OUTB(0xbb, port);
}
void probe_idregs_ali(uint16_t port)
{
uint16_t id;
uint8_t rev;
probing_for("ALi", "", port);
enter_conf_mode_ali(port);
id = regval(port, DEVICE_ID_BYTE1_REG) << 8;
id |= regval(port, DEVICE_ID_BYTE2_REG);
/* TODO: Not documented/available on M512x (?) */
rev = regval(port, DEVICE_REV_REG);
if (superio_unknown(reg_table, id)) {
if (verbose)
printf(NOTFOUND "id=0x%04x, rev=0x%02x\n", id, rev);
exit_conf_mode_ali(port);
return;
}
printf("Found ALi %s (id=0x%04x, rev=0x%02x) at 0x%x\n",
get_superio_name(reg_table, id), id, rev, port);
chip_found = 1;
dump_superio("ALi", reg_table, port, id, LDN_SEL);
exit_conf_mode_ali(port);
}
void print_ali_chips(void)
{
print_vendor_chips("ALi", reg_table);
}