This patch makes ITE Super I/O probing/dumping a little bit more generic,

fixes minor coding style issues and prepares the table for supporting
more chips of the ITE IT87xx Super I/O family.

Signed-off-by: Carl-Daniel Hailfinger <c-d.hailfinger.devel.2006@gmx.net>
Acked-by: Uwe Hermann <uwe@hermann-uwe.de>



git-svn-id: svn://svn.coreboot.org/coreboot/trunk@2750 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1
This commit is contained in:
Carl-Daniel Hailfinger 2007-08-28 10:43:57 +00:00 committed by Uwe Hermann
parent 7a7890aced
commit b1786c2bce
1 changed files with 141 additions and 119 deletions

View File

@ -46,8 +46,8 @@ void regwrite(unsigned short port, unsigned char reg, unsigned char val) {
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));
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");
@ -77,7 +77,7 @@ dump_fintek(unsigned short port, unsigned int did)
printf ("Fintek F71872\n");
break;
default:
printf ("Unknown Fintek SuperIO: did=0x%04x\n",did);
printf ("Unknown Fintek SuperI/O: did=0x%04x\n", did);
return;
}
@ -129,25 +129,39 @@ dump_fintek(unsigned short port, unsigned int did)
}
//End Of Table
/* End Of Table */
#define EOT -1
//NO LDN needed
/* NO LDN needed */
#define NOLDN -2
//Not Available
/* Not Available */
#define NANA -3
//Biggest LDN
/* Maximum Name Length */
#define MAXNAMELEN 20
/* Biggest LDN */
#define MAXLDN 0xa
//MAXimum NUMber of Indexes
/* biggestLDN + 0 + NOLDN + EOT */
#define LDNSIZE MAXLDN + 3
/* MAXimum NUMber of Indexes */
#define MAXNUMIDX 70
#define IDXSIZE MAXNUMIDX + 1
const static struct ite_registers {
signed short superio_id; //yes, it should be unsigned, but then EOT has to be positive
/* 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[MAXNUMIDX+1];
signed short def[MAXNUMIDX+1];
} ldn[MAXLDN+3]; //biggestLDN+0+NOLDN+EOT
signed short idx[IDXSIZE];
signed short def[IDXSIZE];
} ldn[LDNSIZE];
} ite_reg_table[] = {
{0x8712,{
{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}},
@ -164,8 +178,10 @@ const static struct ite_registers {
{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}},
{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},
{0x01,0x00,0x60,0x00,0x64,0x01,0x02,0x00,EOT}},
@ -173,8 +189,18 @@ const static struct ite_registers {
{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}},
{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}},
@ -185,6 +211,10 @@ const static struct ite_registers {
{0x30,0x60,0x61,0x70,0xf0,EOT},
{0x00,0x03,0x10,0x0b,0x00,EOT}},
{EOT}}},
{0x8716, "IT8716", {
{EOT}}},
{0x8718, "IT8718", {
{EOT}}},
{EOT}
};
@ -204,33 +234,31 @@ dump_ite(unsigned short port, unsigned short id)
0x8708 -> IT8708
0x8710 -> IT8710
0x8712 -> IT8712
0x8716 -> IT8716 or IT8726 (identical except CPU voltage control)
0x8716 -> IT8716
0x8718 -> IT8718
0x8726 does not exist according to datasheet, but experience differs
0x8726 -> IT8726 (datasheet wrongly says 0x8716)
*/
switch(id) {
case 0x8702:
printf ("IT8702\n");
break;
case 0x8705:
printf ("IT8700 or IT8705\n");
break;
case 0x8710:
printf ("IT8710\n");
break;
case 0x8712:
printf ("IT8712\n");
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);
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 ");
@ -260,12 +288,6 @@ dump_ite(unsigned short port, unsigned short id)
}
break;
case 0x8716:
printf ("IT8716 or IT8726\n");
break;
case 0x8718:
printf ("IT8718\n");
break;
default:
printf ("unknown ITE chip, id=%04x\n", id);
for (i=0x20; i<=0x24; i++)
@ -280,7 +302,7 @@ probe_idregs_simple(unsigned short port){
outb(0x20, port);
if (inb(port) != 0x20) {
if (inb(port) == 0xff )
printf ("No SuperIO chip found at 0x%04x\n", port);
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));
@ -288,7 +310,7 @@ probe_idregs_simple(unsigned short port){
}
id = inb(port + 1);
printf("SuperIO found at 0x%02x: id = 0x%02x\n", port, id);
printf("SuperI/O found at 0x%02x: id = 0x%02x\n", port, id);
if (id == 0xff)
return;
@ -312,12 +334,11 @@ 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
/* 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 )
@ -329,23 +350,23 @@ probe_idregs_fintek(unsigned short port){
}
did = inb(port + 1);
did = did|(regval(port, 0x21)<<8);
did |= (regval(port, 0x21)<<8);
vid = regval(port, 0x23);
vid = 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);
if (vid == 0xff || vid == 0xffff)
return;
// printf("%s\n", familyid[id]);
/* printf("%s\n", familyid[id]); */
switch(did) {
case 0x0887: // reversed for ITE8708
case 0x1087: // reversed for ITE8710
case 0x0887: /* pseudoreversed for ITE8708 */
case 0x1087: /* pseudoreversed for ITE8710 */
success = 1;
dump_ite(port, ((did & 0xff) << 8) | ((did & 0xff00) >> 8));
// disable configuration
/* disable configuration */
regwrite(port, 0x02, 0x02);
break;
default:
@ -362,7 +383,7 @@ probe_idregs_fintek(unsigned short port){
if (!success)
printf("no dump for vid 0x%04x, did 0x%04x\n", vid, did);
// disable configuration (for Fintek, doesn't hurt ITE)
/* disable configuration (for Fintek, doesn't hurt ITE) */
outb(0xaa, port);
}
@ -370,12 +391,12 @@ 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
/* 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);
@ -384,7 +405,7 @@ probe_idregs_ite(unsigned short port){
else
outb(0xAA, port);
// Read Chip ID Byte 1
/* Read Chip ID Byte 1 */
id = regval(port, 0x20);
if (id != 0x87) {
if (inb(port) == 0xff )
@ -397,10 +418,10 @@ probe_idregs_ite(unsigned short port){
id <<= 8;
// Read Chip ID Byte 2
/* Read Chip ID Byte 2 */
id |= regval(port, 0x21);
// Read Chip Version, only bit 3..0 for all IT87xx
/* Read Chip Version, only bit 3..0 for all IT87xx */
chipver = regval(port, 0x22) & 0x0f;
/* ID Mapping Table
@ -410,26 +431,27 @@ probe_idregs_ite(unsigned short port){
0x8705 -> IT8700 or IT8705
0x8710 -> IT8710
0x8712 -> IT8712
0x8716 -> IT8716 or IT8726 (identical except CPU voltage control)
0x8716 -> IT8716
0x8718 -> IT8718
0x8726 -> IT8726 (datasheet wrongly says 0x8716)
*/
printf("ITE? SuperIO found at 0x%02x: id=0x%04x, chipver=0x%01x\n",
printf("SuperI/O found at 0x%02x: id=0x%04x, chipver=0x%01x\n",
port, id, chipver);
switch(id) {
case 0x8702:
case 0x8705:
case 0x8710: //pointless, IT8710 has different enable sequence
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
/* disable configuration */
regwrite(port, 0x02, 0x02);
}