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Add vt8235 for epia-m

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Corresponding to coreboot v1 svn r854.
This commit is contained in:
Andrew Ip 2003-07-21 14:54:16 +00:00
parent 7bd1dee5b3
commit 772f6457b0
1 changed files with 39 additions and 0 deletions
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39
flash_rom.c
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@ -149,6 +149,44 @@ enable_flash_e7500(struct pci_dev *dev, char *name) {
return 0;
}
int
enable_flash_vt8235(struct pci_dev *dev, char *name) {
unsigned char old, new, val;
unsigned int base;
int ok;
/* get io privilege access PCI configuration space */
if (iopl(3) != 0) {
perror("Can not set io priviliage");
exit(1);
}
old = pci_read_byte(dev, 0x40);
new = old | 0x10;
if (new == old)
return 0;
ok = pci_write_byte(dev, 0x40, new);
if (ok != 0) {
printf("tried to set 0x%x to 0x%x on %s failed (WARNING ONLY)\n",
old, new, name);
}
/* enable GPIO15 which is connected to write protect. */
base = ((pci_read_byte(dev, 0x88) & 0x80) | pci_read_byte(dev, 0x89) << 8);
val = inb(base + 0x4d);
val |= 0x80;
outb(val, base + 0x4d);
if (ok != 0) {
return -1;
} else {
return 0;
}
}
int
enable_flash_vt8231(struct pci_dev *dev, char *name) {
unsigned char old, new;
@ -325,6 +363,7 @@ FLASH_ENABLE enables[] = {
{0x1, 0x1, "sis630 -- what's the ID?", enable_flash_sis630},
{0x8086, 0x2480, "E7500", enable_flash_e7500},
{0x1106, 0x8231, "VT8231", enable_flash_vt8231},
{0x1106, 0x3177, "VT8235", enable_flash_vt8235},
{0x1078, 0x0100, "CS5530", enable_flash_cs5530},
{0x1039, 0x8, "SIS5595", enable_flash_sis5595},
};