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Various coding style and whitespace fixes (trivial). 

Signed-off-by: Uwe Hermann <uwe@hermann-uwe.de>
Acked-by: Uwe Hermann <uwe@hermann-uwe.de>



git-svn-id: svn://svn.coreboot.org/coreboot/trunk@2761 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1
This commit is contained in:
Uwe Hermann 2007-09-01 21:02:44 +00:00
parent c4c54a5df3
commit 2046ff92f0
1 changed files with 191 additions and 194 deletions
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385
util/superiotool/superiotool.c
View File

@ -25,131 +25,136 @@
#include <stdlib.h> #include <stdlib.h>
#include <sys/io.h> #include <sys/io.h>
/* well, they really thought this through, eh? Family is 8 bits!!!! */ /* Well, they really thought this through, eh? Family is 8 bits! */
char *familyid[] = { static const char *familyid[] = {
[0xf1] = "pc8374 (winbond, was NS)" [0xf1] = "PC8374 (Winbond/NatSemi)"
}; };
/* eventually, if you care, break this out into a file. For now, I don't know unsigned char regval(unsigned short port, unsigned char reg)
* if we need this. {
*/
unsigned char regval(unsigned short port, unsigned char reg) {
outb(reg, port); outb(reg, port);
return inb(port + 1); return inb(port + 1);
} }
void regwrite(unsigned short port, unsigned char reg, unsigned char val) { void regwrite(unsigned short port, unsigned char reg, unsigned char val)
{
outb(reg, port); outb(reg, port);
outb(val, port + 1); outb(val, port + 1);
} }
void void dump_ns8374(unsigned short port)
dump_ns8374(unsigned short port) { {
printf("Enables: 21=%02x, 22=%02x, 23=%02x, 24=%02x, 26=%02x\n", printf("Enables: 21=%02x, 22=%02x, 23=%02x, 24=%02x, 26=%02x\n",
regval(port, 0x21), regval(port, 0x22), regval(port, 0x23), regval(port, 0x21), regval(port, 0x22), regval(port, 0x23),
regval(port, 0x24), regval(port, 0x26)); regval(port, 0x24), regval(port, 0x26));
printf("SMBUS at %02x\n", regval(port, 0x2a)); 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"); /* Check COM1. This is all we care about at present. */
/* select com1 */ printf("COM 1 is globally %s\n",
regval(port, 0x26) & 8 ? "disabled" : "enabled");
/* Select COM1. */
regwrite(port, 0x07, 0x03); regwrite(port, 0x07, 0x03);
printf("COM 1 is locally %s\n", regval(port, 0x30) & 1 ? "enabled" : "disabled"); printf("COM 1 is locally %s\n",
printf("COM1 60=%02x, 61=%02x, 70=%02x, 71=%02x, 74=%02x, 75=%02x, f0=%02x\n", regval(port, 0x30) & 1 ? "enabled" : "disabled");
regval(port, 0x60), regval(port, 0x61), regval(port, 0x70), regval(port, 0x71), printf
regval(port, 0x74), regval(port, 0x75), regval(port, 0xf0)); ("COM1 60=%02x, 61=%02x, 70=%02x, 71=%02x, 74=%02x, 75=%02x, f0=%02x\n",
/* select gpio */ 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); regwrite(port, 0x07, 0x07);
printf("GPIO is %s\n", regval(port, 0x30) & 1 ? "enabled" : "disabled"); 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", printf
regval(port, 0x60), regval(port, 0x61), regval(port, 0x70), regval(port, 0x71), ("GPIO 60=%02x, 61=%02x, 70=%02x, 71=%02x, 74=%02x, 75=%02x, f0=%02x\n",
regval(port, 0x74), regval(port, 0x75), regval(port, 0xf0)); regval(port, 0x60), regval(port, 0x61), regval(port, 0x70),
regval(port, 0x71), regval(port, 0x74), regval(port, 0x75),
regval(port, 0xf0));
} }
void void dump_fintek(unsigned short port, unsigned int did)
dump_fintek(unsigned short port, unsigned int did)
{ {
switch(did) { switch (did) {
case 0x0604: case 0x0604:
printf ("Fintek F71805\n"); printf("Fintek F71805\n");
break; break;
case 0x4103: case 0x4103:
printf ("Fintek F71872\n"); printf("Fintek F71872\n");
break; break;
default: default:
printf ("Unknown Fintek SuperI/O: did=0x%04x\n", did); printf("Unknown Fintek Super I/O: did=0x%04x\n", did);
return; return;
} }
printf("Flash write is %s.\n", regval(port, 0x28) & 0x80 ? "enabled" : "disabled"); printf("Flash write is %s.\n",
regval(port, 0x28) & 0x80 ? "enabled" : "disabled");
printf("Flash control is 0x%04x.\n", regval(port, 0x28)); printf("Flash control is 0x%04x.\n", regval(port, 0x28));
printf("27=%02x\n", regval(port, 0x27)); printf("27=%02x\n", regval(port, 0x27));
printf("29=%02x\n", regval(port, 0x29)); printf("29=%02x\n", regval(port, 0x29));
printf("2a=%02x\n", regval(port, 0x2a)); printf("2a=%02x\n", regval(port, 0x2a));
printf("2b=%02x\n", regval(port, 0x2b)); printf("2b=%02x\n", regval(port, 0x2b));
/* select UART 1 */ /* Select UART 1. */
regwrite(port, 0x07, 0x01); regwrite(port, 0x07, 0x01);
printf("UART1 is %s\n", regval(port, 0x30) & 1 ? "enabled" : "disabled"); printf("UART1 is %s\n",
printf("UART1 base=%02x%02x, irq=%02x, mode=%s\n", regval(port, 0x30) & 1 ? "enabled" : "disabled");
regval(port, 0x60), regval(port, 0x61), regval(port, 0x70) & 0x0f, printf("UART1 base=%02x%02x, irq=%02x, mode=%s\n", regval(port, 0x60),
regval(port, 0xf0) & 0x10 ? "RS485":"RS232"); regval(port, 0x61), regval(port, 0x70) & 0x0f,
regval(port, 0xf0) & 0x10 ? "RS485" : "RS232");
/* select UART 2 */ /* Select UART 2. */
regwrite(port, 0x07, 0x02); regwrite(port, 0x07, 0x02);
printf("UART2 is %s\n", regval(port, 0x30) & 1 ? "enabled" : "disabled"); printf("UART2 is %s\n",
printf("UART2 base=%02x%02x, irq=%02x, mode=%s\n", regval(port, 0x30) & 1 ? "enabled" : "disabled");
regval(port, 0x60), regval(port, 0x61), regval(port, 0x70) & 0x0f, printf("UART2 base=%02x%02x, irq=%02x, mode=%s\n", regval(port, 0x60),
regval(port, 0xf0) & 0x10 ? "RS485":"RS232"); regval(port, 0x61), regval(port, 0x70) & 0x0f,
regval(port, 0xf0) & 0x10 ? "RS485" : "RS232");
/* select Parport */ /* Select parallel port. */
regwrite(port, 0x07, 0x03); regwrite(port, 0x07, 0x03);
printf("PARPORT is %s\n", regval(port, 0x30) & 1 ? "enabled" : "disabled"); printf("PARPORT is %s\n",
printf("PARPORT base=%02x%02x, irq=%02x\n", regval(port, 0x30) & 1 ? "enabled" : "disabled");
regval(port, 0x60), regval(port, 0x61), regval(port, 0x70) & 0x0f); printf("PARPORT base=%02x%02x, irq=%02x\n", regval(port, 0x60),
regval(port, 0x61), regval(port, 0x70) & 0x0f);
/* select hw monitor */ /* Select HW monitor. */
regwrite(port, 0x07, 0x04); regwrite(port, 0x07, 0x04);
printf("HW monitor is %s\n", regval(port, 0x30) & 1 ? "enabled" : "disabled"); printf("HW monitor is %s\n",
printf("HW monitor base=%02x%02x, irq=%02x\n", regval(port, 0x30) & 1 ? "enabled" : "disabled");
regval(port, 0x60), regval(port, 0x61), regval(port, 0x70) & 0x0f); printf("HW monitor base=%02x%02x, irq=%02x\n", regval(port, 0x60),
regval(port, 0x61), regval(port, 0x70) & 0x0f);
/* select gpio */ /* Select GPIO. */
regwrite(port, 0x07, 0x05); regwrite(port, 0x07, 0x05);
printf("GPIO is %s\n", regval(port, 0x30) & 1 ? "enabled" : "disabled"); 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", printf
regval(port, 0x70), regval(port, 0xe0), regval(port, 0xe1), regval(port, 0xe2), ("GPIO 70=%02x, e0=%02x, e1=%02x, e2=%02x, e3=%02x, e4=%02x, e5=%02x\n",
regval(port, 0xe3), regval(port, 0xe4), regval(port, 0xe5)); regval(port, 0x70), regval(port, 0xe0), regval(port, 0xe1),
printf("GPIO e6=%02x, e7=%02x, e8=%02x, e9=%02x, f0=%02x, f1=%02x, f3=%02x, f4=%02x\n", regval(port, 0xe2), regval(port, 0xe3), regval(port, 0xe4),
regval(port, 0xe6), regval(port, 0xe7), regval(port, 0xe8), regval(port, 0xe9), regval(port, 0xe5));
regval(port, 0xf0), regval(port, 0xf1), regval(port, 0xf3), regval(port, 0xf4)); printf
printf("GPIO f5=%02x, f6=%02x, f7=%02x, f8=%02x\n", ("GPIO e6=%02x, e7=%02x, e8=%02x, e9=%02x, f0=%02x, f1=%02x, f3=%02x, f4=%02x\n",
regval(port, 0xf5), regval(port, 0xf6), regval(port, 0xf7), regval(port, 0xf8)); 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 /* End Of Table */
#define EOT -1 #define NOLDN -2 /* NO LDN needed */
/* NO LDN needed */ #define NANA -3 /* Not Available */
#define NOLDN -2 #define MAXNAMELEN 20 /* Maximum Name Length */
/* Not Available */ #define MAXLDN 0xa /* Biggest LDN */
#define NANA -3 #define LDNSIZE (MAXLDN + 3) /* Biggest LDN + 0 + NOLDN + EOT */
/* Maximum Name Length */ #define MAXNUMIDX 70 /* Maximum number of indexes */
#define MAXNAMELEN 20 #define IDXSIZE (MAXNUMIDX + 1)
/* 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 { const static struct ite_registers {
/* yes, superio_id should be unsigned, but EOT has to be negative */ /* Yes, superio_id should be unsigned, but EOT has to be negative. */
signed short superio_id; signed short superio_id;
char name[MAXNAMELEN]; const char name[MAXNAMELEN];
struct ite_ldnidx { struct ite_ldnidx {
signed short ldn; signed short ldn;
signed short idx[IDXSIZE]; signed short idx[IDXSIZE];
@ -321,14 +326,12 @@ const static struct ite_registers {
{EOT} {EOT}
}; };
void void dump_ite(unsigned short port, unsigned short id)
dump_ite(unsigned short port, unsigned short id)
{ {
int i, j, k; int i, j, k;
signed short *idx; signed short *idx;
printf ("ITE "); printf ("ITE ");
/* ID Mapping Table /* ID Mapping Table
unknown -> IT8711 (no datasheet) unknown -> IT8711 (no datasheet)
unknown -> IT8722 (no datasheet) unknown -> IT8722 (no datasheet)
@ -340,8 +343,8 @@ dump_ite(unsigned short port, unsigned short id)
0x8716 -> IT8716 0x8716 -> IT8716
0x8718 -> IT8718 0x8718 -> IT8718
0x8726 -> IT8726 (datasheet wrongly says 0x8716) 0x8726 -> IT8726 (datasheet wrongly says 0x8716)
*/ */
switch(id) { switch (id) {
case 0x8702: case 0x8702:
case 0x8705: case 0x8705:
case 0x8708: case 0x8708:
@ -349,37 +352,37 @@ dump_ite(unsigned short port, unsigned short id)
case 0x8712: case 0x8712:
case 0x8716: case 0x8716:
case 0x8718: case 0x8718:
for (i=0;; i++) { for (i = 0;; i++) {
if (ite_reg_table[i].superio_id == EOT) if (ite_reg_table[i].superio_id == EOT)
break; break;
if ((unsigned short)ite_reg_table[i].superio_id != id) if ((unsigned short)ite_reg_table[i].superio_id != id)
continue; continue;
printf ("%s\n", ite_reg_table[i].name); printf("%s\n", ite_reg_table[i].name);
for (j=0;; j++) { for (j = 0;; j++) {
if (ite_reg_table[i].ldn[j].ldn == EOT) if (ite_reg_table[i].ldn[j].ldn == EOT)
break; break;
if (ite_reg_table[i].ldn[j].ldn != NOLDN) { if (ite_reg_table[i].ldn[j].ldn != NOLDN) {
printf("switching to LDN 0x%01x\n", printf("Switching to LDN 0x%01x\n",
ite_reg_table[i].ldn[j].ldn); ite_reg_table[i].ldn[j].ldn);
regwrite(port, 0x07, regwrite(port, 0x07,
ite_reg_table[i].ldn[j].ldn); ite_reg_table[i].ldn[j].ldn);
} }
idx = ite_reg_table[i].ldn[j].idx; idx = ite_reg_table[i].ldn[j].idx;
printf("idx "); printf("idx ");
for (k=0;; k++) { for (k = 0;; k++) {
if (idx[k] == EOT) if (idx[k] == EOT)
break; break;
printf("%02x ", idx[k]); printf("%02x ", idx[k]);
} }
printf("\nval "); printf("\nval ");
for (k=0;; k++) { for (k = 0;; k++) {
if (idx[k] == EOT) if (idx[k] == EOT)
break; break;
printf("%02x ", regval(port, idx[k])); printf("%02x ", regval(port, idx[k]));
} }
printf("\ndef "); printf("\ndef ");
idx = ite_reg_table[i].ldn[j].def; idx = ite_reg_table[i].ldn[j].def;
for (k=0;; k++) { for (k = 0;; k++) {
if (idx[k] == EOT) if (idx[k] == EOT)
break; break;
if (idx[k] == NANA) if (idx[k] == NANA)
@ -389,27 +392,25 @@ dump_ite(unsigned short port, unsigned short id)
} }
printf("\n"); printf("\n");
} }
} }
break; break;
default: default:
printf ("unknown ITE chip, id=%04x\n", id); printf("Unknown ITE chip, id=%04x\n", id);
for (i=0x20; i<=0x24; i++) for (i = 0x20; i <= 0x24; i++)
printf("index %02x=%02x\n", i, regval(port, i)); printf("index %02x=%02x\n", i, regval(port, i));
break; break;
} }
} }
void void probe_idregs_simple(unsigned short port)
probe_idregs_simple(unsigned short port){ {
unsigned char id; unsigned char id;
outb(0x20, port); outb(0x20, port);
if (inb(port) != 0x20) { if (inb(port) != 0x20) {
if (inb(port) == 0xff ) if (inb(port) == 0xff)
printf ("No SuperI/O chip found at 0x%04x\n", port); printf("No SuperI/O chip found at 0x%04x\n", port);
else else
printf("probing 0x%04x, failed (0x%02x), data returns 0x%02x\n", printf("probing 0x%04x, failed (0x%02x), data returns 0x%02x\n", port, inb(port), inb(port + 1));
port, inb(port), inb(port + 1));
return; return;
} }
id = inb(port + 1); id = inb(port + 1);
@ -418,90 +419,91 @@ probe_idregs_simple(unsigned short port){
if (id == 0xff) if (id == 0xff)
return; return;
if (familyid[id]) if (familyid[id])
printf("%s\n", familyid[id]); printf("%s\n", familyid[id]);
else else
printf("<unknown>\n"); printf("<unknown>\n");
switch(id) { switch (id) {
case 0xf1: case 0xf1:
dump_ns8374(port); dump_ns8374(port);
break; break;
default: default:
printf("no dump for 0x%02x\n", id); printf("no dump for 0x%02x\n", id);
break; break;
} }
} }
void probe_idregs_fintek(unsigned short port)
void {
probe_idregs_fintek(unsigned short port){
unsigned int vid, did, success = 0; unsigned int vid, did, success = 0;
/* Enable configuration sequence (Fintek uses this for example) /* Enable configuration sequence (Fintek uses this for example)
Older ITE chips have the same enable sequence */ * Older ITE chips have the same enable sequence.
*/
outb(0x87, port); outb(0x87, port);
outb(0x87, port); outb(0x87, port);
outb(0x20, port); outb(0x20, port);
if (inb(port) != 0x20) { if (inb(port) != 0x20) {
if (inb(port) == 0xff ) if (inb(port) == 0xff)
printf ("No SuperIO chip found at 0x%04x\n", port); printf("No SuperIO chip found at 0x%04x\n", port);
else else
printf("probing 0x%04x, failed (0x%02x), data returns 0x%02x\n", printf("probing 0x%04x, failed (0x%02x), data returns 0x%02x\n", port, inb(port), inb(port + 1));
port, inb(port), inb(port + 1));
return; return;
} }
did = inb(port + 1); did = inb(port + 1);
did |= (regval(port, 0x21) << 8);
did |= (regval(port, 0x21)<<8);
vid = regval(port, 0x23); vid = regval(port, 0x23);
vid |= (regval(port, 0x24)<<8); vid |= (regval(port, 0x24) << 8);
printf("SuperIO found at 0x%02x: vid=0x%04x/did=0x%04x\n", port, vid, did); printf("Super I/O found at 0x%02x: vid=0x%04x/did=0x%04x\n",
port, vid, did);
if (vid == 0xff || vid == 0xffff) if (vid == 0xff || vid == 0xffff)
return; return;
/* printf("%s\n", familyid[id]); */ /* printf("%s\n", familyid[id]); */
switch(did) { switch (did) {
case 0x0887: /* pseudoreversed for ITE8708 */ case 0x0887: /* Pseudoreversed for ITE8708 */
case 0x1087: /* pseudoreversed for ITE8710 */ case 0x1087: /* Pseudoreversed for ITE8710 */
success = 1; success = 1;
dump_ite(port, ((did & 0xff) << 8) | ((did & 0xff00) >> 8)); dump_ite(port, ((did & 0xff) << 8) | ((did & 0xff00) >> 8));
/* disable configuration */ regwrite(port, 0x02, 0x02); /* Exit MB PnP mode. */
regwrite(port, 0x02, 0x02); break;
break; default:
default: break;
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) */ 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);
/* Exit MB PnP mode (for Fintek, doesn't hurt ITE). */
outb(0xaa, port); outb(0xaa, port);
} }
void void probe_idregs_ite(unsigned short port)
probe_idregs_ite(unsigned short port){ {
unsigned int id, chipver; unsigned int id, chipver;
/* Enable configuration sequence (ITE uses this for newer IT87[012]x) /* Enable configuration sequence (ITE uses this for newer IT87[012]x)
IT871[01] uses 0x87, 0x87 -> fintek detection should handle it * IT871[01] uses 0x87, 0x87 -> fintek detection should handle it
IT8708 uses 0x87, 0x87 -> fintek detection should handle it * IT8708 uses 0x87, 0x87 -> fintek detection should handle it
IT8761 uses 0x87, 0x61, 0x55, 0x55/0xaa * IT8761 uses 0x87, 0x61, 0x55, 0x55/0xaa
IT86xx series uses different ports * IT86xx series uses different ports
IT8661 uses 0x86, 0x61, 0x55/0xaa, 0x55/0xaa and 32 more writes * IT8661 uses 0x86, 0x61, 0x55/0xaa, 0x55/0xaa and 32 more writes
IT8673 uses 0x86, 0x80, 0x55/0xaa, 0x55/0xaa and 32 more writes */ * IT8673 uses 0x86, 0x80, 0x55/0xaa, 0x55/0xaa and 32 more writes
*/
outb(0x87, port); outb(0x87, port);
outb(0x01, port); outb(0x01, port);
outb(0x55, port); outb(0x55, port);
@ -510,77 +512,72 @@ probe_idregs_ite(unsigned short port){
else else
outb(0xAA, port); outb(0xAA, port);
/* Read Chip ID Byte 1 */ /* Read Chip ID Byte 1. */
id = regval(port, 0x20); id = regval(port, 0x20);
if (id != 0x87) { if (id != 0x87) {
if (inb(port) == 0xff ) if (inb(port) == 0xff)
printf ("No SuperIO chip found at 0x%04x\n", port); printf("No Super-I/O chip found at 0x%04x\n", port);
else else
printf("probing 0x%04x, failed (0x%02x), data returns 0x%02x\n", printf("probing 0x%04x, failed (0x%02x), data returns 0x%02x\n", port, inb(port), inb(port + 1));
port, inb(port), inb(port + 1));
return; return;
} }
id <<= 8; id <<= 8;
/* Read Chip ID Byte 2 */ /* Read Chip ID Byte 2. */
id |= regval(port, 0x21); id |= regval(port, 0x21);
/* Read Chip Version, only bit 3..0 for all IT87xx */ /* Read chip version, only bits 3..0 for all IT87xx. */
chipver = regval(port, 0x22) & 0x0f; chipver = regval(port, 0x22) & 0x0f;
/* ID Mapping Table /* ID Mapping Table
unknown -> IT8711 (no datasheet) * unknown -> IT8711 (no datasheet)
unknown -> IT8722 (no datasheet) * unknown -> IT8722 (no datasheet)
0x8702 -> IT8702 * 0x8702 -> IT8702
0x8705 -> IT8700 or IT8705 * 0x8705 -> IT8700 or IT8705
0x8708 -> IT8708 * 0x8708 -> IT8708
0x8710 -> IT8710 * 0x8710 -> IT8710
0x8712 -> IT8712 * 0x8712 -> IT8712
0x8716 -> IT8716 * 0x8716 -> IT8716
0x8718 -> IT8718 * 0x8718 -> IT8718
0x8726 -> IT8726 (datasheet wrongly says 0x8716) * 0x8726 -> IT8726 (datasheet wrongly says 0x8716)
*/ */
printf("SuperI/O found at 0x%02x: id=0x%04x, chipver=0x%01x\n", printf("Super I/O found at 0x%02x: id=0x%04x, chipver=0x%01x\n",
port, id, chipver); port, id, chipver);
switch(id) { switch (id) {
case 0x8702: case 0x8702:
case 0x8705: case 0x8705:
case 0x8708: case 0x8708:
case 0x8712: case 0x8712:
case 0x8716: case 0x8716:
case 0x8718: case 0x8718:
case 0x8726: case 0x8726:
dump_ite(port, id); dump_ite(port, id);
break; break;
default: default:
printf("no dump for id 0x%04x\n", id); printf("No dump for id 0x%04x\n", id);
break; break;
} }
/* disable configuration */ regwrite(port, 0x02, 0x02); /* Exit MB PnP mode. */
regwrite(port, 0x02, 0x02);
} }
void void probe_superio(unsigned short port)
probe_superio(unsigned short port) { {
probe_idregs_simple(port); probe_idregs_simple(port);
probe_idregs_fintek(port); probe_idregs_fintek(port);
probe_idregs_ite(port); probe_idregs_ite(port);
} }
int int main(int argc, char *argv[])
main(int argc, char *argv[])
{ {
if (iopl(3) < 0) { if (iopl(3) < 0) {
perror("iopl"); perror("iopl");
exit(1); exit(1);
} }
/* try the 2e */ probe_superio(0x2e); /* Try 0x2e. */
probe_superio(0x2e); probe_superio(0x4e); /* Try 0x4e. */
/* now try the 4e */
probe_superio(0x4e);
return 0; return 0;
} }