| /* |
| * This file is part of the LinuxBIOS project. |
| * |
| * Copyright (C) 2006 Ronald Minnich <rminnich@gmail.com> |
| * 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 <stdio.h> |
| #include <stdlib.h> |
| #include <sys/io.h> |
| |
| /* well, they really thought this through, eh? Family is 8 bits!!!! */ |
| char *familyid[] = { |
| [0xf1] = "pc8374 (winbond, was NS)" |
| }; |
| |
| /* eventually, if you care, break this out into a file. For now, I don't know |
| * if we need this. |
| */ |
| |
| unsigned char regval(unsigned short port, unsigned short reg) { |
| outb(reg, port); |
| return inb(port+1); |
| } |
| |
| void |
| dump_ns8374(unsigned short port) { |
| printf("Enables: 21=%02x, 22=%02x, 23=%02x, 24=%02x, 26=%02x\n", |
| regval(port,0x21), regval(port,0x22), |
| regval(port,0x23), regval(port,0x24), regval(port,0x26)); |
| printf("SMBUS at %02x\n", regval(port, 0x2a)); |
| /* check COM1. This is all we care about at present. */ |
| printf("COM 1 is Globally %s\n", regval(port,0x26)&8 ? "disabled" : "enabled"); |
| /* select com1 */ |
| outb(0x7, port); |
| outb(3, port+1); |
| printf("COM 1 is locally %s\n", regval(port, 0x30) & 1 ? "enabled" : "disabled"); |
| printf("COM1 60=%02x, 61=%02x, 70=%02x, 71=%02x, 74=%02x, 75=%02x, f0=%02x\n", |
| regval(port, 0x60), regval(port, 0x61), regval(port, 0x70), regval(port, 0x71), |
| regval(port, 0x74), regval(port, 0x75), regval(port, 0xf0)); |
| /* select gpio */ |
| outb(0x7, port); |
| outb(7, port+1); |
| printf("GPIO is %s\n", regval(port, 0x30) & 1 ? "enabled" : "disabled"); |
| printf("GPIO 60=%02x, 61=%02x, 70=%02x, 71=%02x, 74=%02x, 75=%02x, f0=%02x\n", |
| regval(port, 0x60), regval(port, 0x61), regval(port, 0x70), regval(port, 0x71), |
| regval(port, 0x74), regval(port, 0x75), regval(port, 0xf0)); |
| |
| } |
| |
| void |
| dump_fintek(unsigned short port, unsigned int did) |
| { |
| switch(did) { |
| case 0x0604: |
| printf ("Fintek F71805\n"); |
| break; |
| case 0x4103: |
| printf ("Fintek F71872\n"); |
| break; |
| default: |
| printf ("Unknown Fintek SuperIO: 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 */ |
| outb(0x07, port); |
| outb(0x01, port+1); |
| 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 */ |
| outb(0x07, port); |
| outb(0x02, port+1); |
| 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 Parport */ |
| outb(0x07, port); |
| outb(0x03, port+1); |
| 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 */ |
| outb(0x07, port); |
| outb(0x04, port+1); |
| 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 */ |
| outb(0x07, port); |
| outb(0x06, port+1); |
| 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)); |
| |
| |
| } |
| |
| |
| void |
| probe_idregs_simple(unsigned short port){ |
| unsigned char id; |
| outb(0x20, port); |
| if (inb(port) != 0x20) { |
| if (inb(port) == 0xff ) |
| printf ("No SuperIO chip found at 0x%04x\n", port); |
| else |
| printf("probing 0x%04x, failed (0x%02x), data returns 0x%02x\n", |
| port, inb(port), inb(port+1)); |
| return; |
| } |
| id = inb(port+1); |
| |
| printf("SuperIO found at 0x%02x: id = 0x%02x\n", port, id); |
| if (id == 0xff) |
| return; |
| |
| if (familyid[id]) |
| printf("%s\n", familyid[id]); |
| else |
| printf("<unknown>\n"); |
| |
| switch(id) { |
| case 0xf1: |
| dump_ns8374(port); |
| break; |
| default: |
| printf("no dump for 0x%02x\n", id); |
| break; |
| } |
| } |
| |
| |
| void |
| probe_idregs_fintek(unsigned short port){ |
| unsigned int vid, did; |
| |
| // Enable configuration sequence (Fintek uses this for example) |
| outb(0x87, port); |
| outb(0x87, port); |
| |
| // |
| outb(0x20, port); |
| if (inb(port) != 0x20) { |
| if (inb(port) == 0xff ) |
| printf ("No SuperIO chip found at 0x%04x\n", port); |
| else |
| printf("probing 0x%04x, failed (0x%02x), data returns 0x%02x\n", |
| port, inb(port), inb(port+1)); |
| return; |
| } |
| did = inb(port+1); |
| |
| outb(0x21, port); |
| did = did|(inb(port+1)<<8); |
| |
| outb(0x23, port); |
| vid = inb(port+1); |
| outb(0x24, port); |
| vid = vid|(inb(port+1)<<8); |
| |
| printf("SuperIO found at 0x%02x: vid=0x%04x/did=0x%04x\n", port, vid, did); |
| |
| if (vid == 0xff || vid == 0xffff) |
| return; |
| |
| // printf("%s\n", familyid[id]); |
| switch(vid) { |
| case 0x3419: |
| dump_fintek(port, did); |
| break; |
| default: |
| printf("no dump for 0x%04x/0x%04x\n", vid, did); |
| break; |
| } |
| |
| // disable configuration |
| outb(0xaa, port); |
| } |
| |
| void |
| probe_superio(unsigned short port) { |
| probe_idregs_simple(port); |
| probe_idregs_fintek(port); |
| } |
| |
| int |
| main(int argc, char *argv[]) |
| { |
| if (iopl(3) < 0) { |
| perror("iopl"); |
| exit(1); |
| } |
| |
| /* try the 2e */ |
| probe_superio(0x2e); |
| /* now try the 4e */ |
| probe_superio(0x4e); |
| |
| return 0; |
| } |