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

96 lines
2.5 KiB
C

/* 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[] = {
/*
* Note: These register defaults are based on educated guessing,
* take them with a grain of salt.
*
* TODO: Don't know the ID registers yet: 0x21 probably is not an ID
* register as it is being set in the BIOS. For now still use as there
* is no known alternative.
*/
{0x02c0, "SE-SM 4210-P01", {
{NOLDN, NULL,
{0x1f,0x20,0x21,0x22,0x23,0x2c,0x2d,0x2e,EOT},
{NANA,0x02,0xc0,0x00,0x00,RSVD,RSVD,RSVD,EOT}},
{0x0, "UNKNOWN",
{0x30,0x60,0x61,0x70,0xf0,0xf1,0xf2,EOT},
{NANA,NANA,NANA,NANA,NANA,NANA,NANA,EOT}},
{0x1, "COM2",
{0x30,0x60,0x61,0x70,0xf0,0xf1,0xf2,EOT},
{0x00,0x02,0xf8,0x03,0x00,0x00,0x0c,EOT}},
{0x2, "COM1",
{0x30,0x60,0x61,0x70,0xf0,0xf1,0xf2,EOT},
{0x00,0x03,0xf8,0x04,0x00,0x00,0x0c,EOT}},
{0x3, "UNKNOWN",
{0x30,0x60,0x61,0x70,0xf0,0xf1,0xf2,EOT},
{NANA,NANA,NANA,NANA,NANA,NANA,NANA,EOT}},
{0x4, "UNKNOWN",
{0x30,0x60,0x61,0x70,0xf0,0xf1,0xf2,EOT},
{NANA,NANA,NANA,NANA,NANA,NANA,NANA,EOT}},
{0x5, "UNKNOWN",
{0x30,0x60,0x61,0x70,0xf0,0xf1,0xf2,EOT},
{NANA,NANA,NANA,NANA,NANA,NANA,NANA,EOT}},
{0x6, "UNKNOWN",
{0x30,0x60,0x61,0x70,0xf0,0xf1,0xf2,EOT},
{NANA,NANA,NANA,NANA,NANA,NANA,NANA,EOT}},
{0x7, "UNKNOWN",
{0x30,0x60,0x61,0x70,0xf0,0xf1,0xf2,EOT},
{NANA,NANA,NANA,NANA,NANA,NANA,NANA,EOT}},
{EOT}}},
{EOT}
};
static void enter_conf_mode_serverengines(uint16_t port)
{
OUTB(0x5a, port);
}
static void exit_conf_mode_serverengines(uint16_t port)
{
OUTB(0xa5, port);
}
void probe_idregs_serverengines(uint16_t port)
{
uint16_t id;
uint8_t rev;
probing_for("Server Engines", "", port);
enter_conf_mode_serverengines(port);
id = regval(port, DEVICE_ID_BYTE1_REG) << 8;
id |= regval(port, DEVICE_ID_BYTE2_REG);
/* TODO: Not documented/available on ServerEngines. */
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_serverengines(port);
return;
}
printf("Found Server Engines %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("Server Engines", reg_table, port, id, LDN_SEL);
exit_conf_mode_serverengines(port);
}
void print_serverengines_chips(void)
{
print_vendor_chips("Server Engines", reg_table);
}