util/superiotool/serverengines.c

   1 /*
   2  * This file is part of the superiotool project.
   3  *
   4  * Copyright (C) 2011 Ruud Schramp <schramp@holmes.nl>
   5  *
   6  * This program is free software; you can redistribute it and/or modify
   7  * it under the terms of the GNU General Public License as published by
   8  * the Free Software Foundation; either version 2 of the License, or
   9  * (at your option) any later version.
  10  *
  11  * This program is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  * GNU General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU General Public License
  17  * along with this program; if not, write to the Free Software
  18  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301 USA
  19  */
  20
  21 #include "superiotool.h"
  22
  23 #define DEVICE_ID_BYTE1_REG     0x20
  24 #define DEVICE_ID_BYTE2_REG     0x21
  25
  26 #define DEVICE_REV_REG          0x1f
  27
  28 static const struct superio_registers reg_table[] = {
  29         /*
  30          * Note: These register defaults are based on educated guessing,
  31          *       take them with a grain of salt.
  32          *
  33          * TODO: Don't know the ID registers yet: 0x21 probably is not an ID
  34          * register as it is being set in the BIOS. For now still use as there
  35          * is no known alternative.
  36          */
  37         {0x02c0, "SE-SM 4210-P01", {
  38                 {NOLDN, NULL,
  39                         {0x1f,0x20,0x21,0x22,0x23,0x2c,0x2d,0x2e,EOT},
  40                         {NANA,0x02,0xc0,0x00,0x00,RSVD,RSVD,RSVD,EOT}},
  41                 {0x0, "UNKNOWN",
  42                         {0x30,0x60,0x61,0x70,0xf0,0xf1,0xf2,EOT},
  43                         {NANA,NANA,NANA,NANA,NANA,NANA,NANA,EOT}},
  44                 {0x1, "COM2",
  45                         {0x30,0x60,0x61,0x70,0xf0,0xf1,0xf2,EOT},
  46                         {0x00,0x02,0xf8,0x03,0x00,0x00,0x0c,EOT}},
  47                 {0x2, "COM1",
  48                         {0x30,0x60,0x61,0x70,0xf0,0xf1,0xf2,EOT},
  49                         {0x00,0x03,0xf8,0x04,0x00,0x00,0x0c,EOT}},
  50                 {0x3, "UNKNOWN",
  51                         {0x30,0x60,0x61,0x70,0xf0,0xf1,0xf2,EOT},
  52                         {NANA,NANA,NANA,NANA,NANA,NANA,NANA,EOT}},
  53                 {0x4, "UNKNOWN",
  54                         {0x30,0x60,0x61,0x70,0xf0,0xf1,0xf2,EOT},
  55                         {NANA,NANA,NANA,NANA,NANA,NANA,NANA,EOT}},
  56                 {0x5, "UNKNOWN",
  57                         {0x30,0x60,0x61,0x70,0xf0,0xf1,0xf2,EOT},
  58                         {NANA,NANA,NANA,NANA,NANA,NANA,NANA,EOT}},
  59                 {0x6, "UNKNOWN",
  60                         {0x30,0x60,0x61,0x70,0xf0,0xf1,0xf2,EOT},
  61                         {NANA,NANA,NANA,NANA,NANA,NANA,NANA,EOT}},
  62                 {0x7, "UNKNOWN",
  63                         {0x30,0x60,0x61,0x70,0xf0,0xf1,0xf2,EOT},
  64                         {NANA,NANA,NANA,NANA,NANA,NANA,NANA,EOT}},
  65                 {EOT}}},
  66         {EOT}
  67 };
  68
  69 static void enter_conf_mode_serverengines(uint16_t port)
  70 {
  71         OUTB(0x5a, port);
  72 }
  73
  74 static void exit_conf_mode_serverengines(uint16_t port)
  75 {
  76         OUTB(0xa5, port);
  77 }
  78
  79 void probe_idregs_serverengines(uint16_t port)
  80 {
  81         uint16_t id;
  82         uint8_t rev;
  83
  84         probing_for("Server Engines", "", port);
  85
  86         enter_conf_mode_serverengines(port);
  87
  88         id = regval(port, DEVICE_ID_BYTE1_REG) << 8;
  89         id |= regval(port, DEVICE_ID_BYTE2_REG);
  90
  91         /* TODO: Not documented/available on ServerEngines. */
  92         rev = regval(port, DEVICE_REV_REG);
  93
  94         if (superio_unknown(reg_table, id)) {
  95                 if (verbose)
  96                         printf(NOTFOUND "id=0x%04x, rev=0x%02x\n", id, rev);
  97                 exit_conf_mode_serverengines(port);
  98                 return;
  99         }
 100
 101         printf("Found Server Engines %s (id=0x%04x, rev=0x%02x) at 0x%x\n",
 102                get_superio_name(reg_table, id), id, rev, port);
 103         chip_found = 1;
 104
 105         dump_superio("Server Engines", reg_table, port, id, LDN_SEL);
 106
 107         exit_conf_mode_serverengines(port);
 108 }
 109
 110 void print_serverengines_chips(void)
 111 {
 112         print_vendor_chips("Server Engines", reg_table);
 113 }