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Code Issues Releases Wiki Activity

Boards: Fix several issues with nvidia_mcp_gpio_set

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- CK804, MCP04, MCP2 use the isa bridges..
- Newer nvidia mcp's do use the smbus controllers (Found by
  Michael Karcher).
- gpio line check breaks EPoX EP-8RDA3+, and should be wider.

Corresponding to flashrom svn r810.

Signed-off-by: Luc Verhaegen <libv@skynet.be>
Acked-by: Michael Karcher <flashrom@mkarcher.dialup.fu-berlin.de>
This commit is contained in:
Luc Verhaegen 2009-12-22 13:04:13 +00:00
parent e4984102e9
commit 23ebd751ee
1 changed files with 13 additions and 3 deletions
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16
board_enable.c
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@ -440,20 +440,30 @@ static int nvidia_mcp_gpio_set(int gpio, int raise)
uint16_t base;
uint8_t tmp;
if ((gpio < 0) || (gpio > 31)) {
if ((gpio < 0) || (gpio >= 0x40)) {
fprintf(stderr, "\nERROR: unsupported GPIO: %d.\n", gpio);
return -1;
}
dev = pci_dev_find_vendorclass(0x10DE, 0x0C05);
/* First, check the ISA Bridge */
dev = pci_dev_find_vendorclass(0x10DE, 0x0601);
switch (dev->device_id) {
case 0x0030: /* CK804 */
case 0x0050: /* MCP04 */
case 0x0060: /* MCP2 */
break;
default:
fprintf(stderr, "\nERROR: no nVidia SMBus controller found.\n");
/* Newer MCPs use the SMBus Controller */
dev = pci_dev_find_vendorclass(0x10DE, 0x0C05);
switch (dev->device_id) {
case 0x0264: /* MCP51 */
break;
default:
fprintf(stderr,
"\nERROR: no nVidia LPC/SMBus controller found.\n");
return -1;
}
break;
}
base = pci_read_long(dev, 0x64) & 0x0000FF00; /* System control area */