| /* |
| * This file is part of the LinuxBIOS project. |
| * |
| * Copyright (C) 2006 Ronald Minnich <rminnich@gmail.com> |
| * Copyright (C) 2006 coresystems GmbH <info@coresystems.de> |
| * Copyright (C) 2007 Carl-Daniel Hailfinger |
| * |
| * 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 char reg) { |
| outb(reg, port); |
| return inb(port + 1); |
| } |
| |
| void regwrite(unsigned short port, unsigned char reg, unsigned char val) { |
| outb(reg, port); |
| outb(val, 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 */ |
| regwrite(port, 0x07, 0x03); |
| 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 */ |
| regwrite(port, 0x07, 0x07); |
| 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 SuperI/O: 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 */ |
| regwrite(port, 0x07, 0x01); |
| 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 */ |
| regwrite(port, 0x07, 0x02); |
| 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 */ |
| regwrite(port, 0x07, 0x03); |
| 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 */ |
| regwrite(port, 0x07, 0x04); |
| 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 */ |
| regwrite(port, 0x07, 0x05); |
| 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)); |
| |
| |
| } |
| |
| /* End Of Table */ |
| #define EOT -1 |
| /* NO LDN needed */ |
| #define NOLDN -2 |
| /* Not Available */ |
| #define NANA -3 |
| /* Maximum Name Length */ |
| #define MAXNAMELEN 20 |
| /* Biggest LDN */ |
| #define MAXLDN 0xa |
| /* biggestLDN + 0 + NOLDN + EOT */ |
| #define LDNSIZE MAXLDN + 3 |
| /* MAXimum NUMber of Indexes */ |
| #define MAXNUMIDX 70 |
| #define IDXSIZE MAXNUMIDX + 1 |
| |
| const static struct ite_registers { |
| /* yes, superio_id should be unsigned, but EOT has to be negative */ |
| signed short superio_id; |
| char name[MAXNAMELEN]; |
| struct ite_ldnidx { |
| signed short ldn; |
| signed short idx[IDXSIZE]; |
| signed short def[IDXSIZE]; |
| } ldn[LDNSIZE]; |
| } ite_reg_table[] = { |
| {0x8702, "IT8702", { |
| {EOT}}}, |
| {0x8705, "IT8705 or IT8700", { |
| {EOT}}}, |
| {0x8710, "IT8710", { |
| {EOT}}}, |
| {0x8712, "IT8712", { |
| {NOLDN, |
| {0x07,0x20,0x21,0x22,0x23,0x24,0x2b,EOT}, |
| {NANA,0x87,0x12,0x08,0x00,0x00,0x00,EOT}}, |
| {0x0, |
| {0x30,0x60,0x61,0x70,0x74,0xf0,0xf1,EOT}, |
| {0x00,0x03,0xf0,0x06,0x02,0x00,0x00,EOT}}, |
| {0x1, |
| {0x30,0x60,0x61,0x70,0xf0,0xf1,0xf2,0xf3,EOT}, |
| {0x00,0x03,0xf8,0x04,0x00,0x50,0x00,0x7f,EOT}}, |
| {0x2, |
| {0x30,0x60,0x61,0x70,0xf0,0xf1,0xf2,0xf3,EOT}, |
| {0x00,0x02,0xf8,0x03,0x00,0x50,0x00,0x7f,EOT}}, |
| {0x3, |
| {0x30,0x60,0x61,0x62,0x63,0x70,0x74,0xf0,EOT}, |
| {0x00,0x03,0x78,0x07,0x78,0x07,0x03,0x03,EOT}}, |
| {0x4, |
| {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, |
| {0x30,0x60,0x61,0x62,0x63,0x70,0x71,0xf0,EOT}, |
| {0x01,0x00,0x60,0x00,0x64,0x01,0x02,0x08,EOT}}, |
| {0x6, |
| {0x30,0x70,0x71,0xf0,EOT}, |
| {0x00,0x0c,0x02,0x00,EOT}}, |
| {0x7, |
| {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, |
| 0x00,0x00,0x00,0x00,0x00,0x30,0x38,0x00,0x00,0x00, |
| 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, |
| {0x30,0x60,0x61,0x70,0xf0,EOT}, |
| {0x00,0x03,0x00,0x0a,0x00,EOT}}, |
| {0x9, |
| {0x30,0x60,0x61,EOT}, |
| {0x00,0x02,0x01,EOT}}, |
| {0xa, |
| {0x30,0x60,0x61,0x70,0xf0,EOT}, |
| {0x00,0x03,0x10,0x0b,0x00,EOT}}, |
| {EOT}}}, |
| {0x8716, "IT8716", { |
| {EOT}}}, |
| {0x8718, "IT8718", { |
| {EOT}}}, |
| {EOT} |
| }; |
| |
| void |
| dump_ite(unsigned short port, unsigned short id) |
| { |
| int i, j, k; |
| signed short *idx; |
| printf ("ITE "); |
| |
| |
| /* ID Mapping Table |
| unknown -> IT8711 (no datasheet) |
| unknown -> IT8722 (no datasheet) |
| 0x8702 -> IT8702 |
| 0x8705 -> IT8700 or IT8705 |
| 0x8708 -> IT8708 |
| 0x8710 -> IT8710 |
| 0x8712 -> IT8712 |
| 0x8716 -> IT8716 |
| 0x8718 -> IT8718 |
| 0x8726 -> IT8726 (datasheet wrongly says 0x8716) |
| */ |
| switch(id) { |
| case 0x8702: |
| case 0x8705: |
| case 0x8710: |
| case 0x8712: |
| case 0x8716: |
| case 0x8718: |
| for (i=0;; i++) { |
| if (ite_reg_table[i].superio_id == EOT) |
| break; |
| if ((unsigned short)ite_reg_table[i].superio_id != id) |
| continue; |
| printf ("%s\n", ite_reg_table[i].name); |
| for (j=0;; j++) { |
| if (ite_reg_table[i].ldn[j].ldn == EOT) |
| break; |
| if (ite_reg_table[i].ldn[j].ldn != NOLDN) { |
| printf("switching to LDN 0x%01x\n", |
| ite_reg_table[i].ldn[j].ldn); |
| regwrite(port, 0x07, |
| ite_reg_table[i].ldn[j].ldn); |
| } |
| idx = ite_reg_table[i].ldn[j].idx; |
| printf("idx "); |
| for (k=0;; k++) { |
| if (idx[k] == EOT) |
| break; |
| printf("%02x ", idx[k]); |
| } |
| printf("\nval "); |
| for (k=0;; k++) { |
| if (idx[k] == EOT) |
| break; |
| printf("%02x ", regval(port, idx[k])); |
| } |
| printf("\ndef "); |
| idx = ite_reg_table[i].ldn[j].def; |
| for (k=0;; k++) { |
| if (idx[k] == EOT) |
| break; |
| if (idx[k] == NANA) |
| printf("NA "); |
| else |
| printf("%02x ", idx[k]); |
| } |
| printf("\n"); |
| } |
| |
| } |
| break; |
| default: |
| printf ("unknown ITE chip, id=%04x\n", id); |
| for (i=0x20; i<=0x24; i++) |
| printf("index %02x=%02x\n", i, regval(port, i)); |
| break; |
| } |
| } |
| |
| void |
| probe_idregs_simple(unsigned short port){ |
| unsigned char id; |
| outb(0x20, port); |
| if (inb(port) != 0x20) { |
| if (inb(port) == 0xff ) |
| printf ("No SuperI/O 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("SuperI/O 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, success = 0; |
| |
| /* Enable configuration sequence (Fintek uses this for example) |
| Older ITE chips have the same enable sequence */ |
| 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); |
| |
| did |= (regval(port, 0x21)<<8); |
| |
| vid = regval(port, 0x23); |
| vid |= (regval(port, 0x24)<<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(did) { |
| case 0x0887: /* pseudoreversed for ITE8708 */ |
| case 0x1087: /* pseudoreversed for ITE8710 */ |
| success = 1; |
| dump_ite(port, ((did & 0xff) << 8) | ((did & 0xff00) >> 8)); |
| /* disable configuration */ |
| regwrite(port, 0x02, 0x02); |
| break; |
| default: |
| break; |
| } |
| switch(vid) { |
| case 0x3419: |
| success = 1; |
| dump_fintek(port, did); |
| break; |
| default: |
| break; |
| } |
| if (!success) |
| printf("no dump for vid 0x%04x, did 0x%04x\n", vid, did); |
| |
| /* disable configuration (for Fintek, doesn't hurt ITE) */ |
| outb(0xaa, port); |
| } |
| |
| void |
| probe_idregs_ite(unsigned short port){ |
| unsigned int id, chipver; |
| |
| /* Enable configuration sequence (ITE uses this for newer IT87[012]x) |
| IT871[01] uses 0x87, 0x87 -> fintek detection should handle it |
| IT8761 uses 0x87, 0x61, 0x55, 0x55/0xaa |
| IT86xx series uses different ports |
| IT8661 uses 0x86, 0x61, 0x55/0xaa, 0x55/0xaa and 32 more writes |
| IT8673 uses 0x86, 0x80, 0x55/0xaa, 0x55/0xaa and 32 more writes */ |
| outb(0x87, port); |
| outb(0x01, port); |
| outb(0x55, port); |
| if (port == 0x2e) |
| outb(0x55, port); |
| else |
| outb(0xAA, port); |
| |
| /* Read Chip ID Byte 1 */ |
| id = regval(port, 0x20); |
| if (id != 0x87) { |
| 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 <<= 8; |
| |
| /* Read Chip ID Byte 2 */ |
| id |= regval(port, 0x21); |
| |
| /* Read Chip Version, only bit 3..0 for all IT87xx */ |
| chipver = regval(port, 0x22) & 0x0f; |
| |
| /* ID Mapping Table |
| unknown -> IT8711 (no datasheet) |
| unknown -> IT8722 (no datasheet) |
| 0x8702 -> IT8702 |
| 0x8705 -> IT8700 or IT8705 |
| 0x8710 -> IT8710 |
| 0x8712 -> IT8712 |
| 0x8716 -> IT8716 |
| 0x8718 -> IT8718 |
| 0x8726 -> IT8726 (datasheet wrongly says 0x8716) |
| */ |
| printf("SuperI/O found at 0x%02x: id=0x%04x, chipver=0x%01x\n", |
| port, id, chipver); |
| |
| switch(id) { |
| case 0x8702: |
| case 0x8705: |
| case 0x8712: |
| case 0x8716: |
| case 0x8718: |
| case 0x8726: |
| dump_ite(port, id); |
| break; |
| default: |
| printf("no dump for id 0x%04x\n", id); |
| break; |
| } |
| /* disable configuration */ |
| regwrite(port, 0x02, 0x02); |
| } |
| |
| void |
| probe_superio(unsigned short port) { |
| probe_idregs_simple(port); |
| probe_idregs_fintek(port); |
| probe_idregs_ite(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; |
| } |