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works for PCI vga cards too

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git-svn-id: svn://svn.coreboot.org/coreboot/trunk@1856 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1
This commit is contained in:
Li-Ta Lo
2005-01-11 22:48:54 +00:00
parent 51990b350a
commit 515f6c729e
7 changed files with 42 additions and 30 deletions
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6
src/devices/pci_device.c
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@@ -537,6 +537,12 @@ void pci_dev_enable_resources(struct device *dev)
void pci_bus_enable_resources(struct device *dev)
{
uint16_t ctrl;
/* enable IO in command register if there is VGA card
* connected with (even it does not claim IO resource) */
if (dev->link[0].bridge_ctrl & PCI_BRIDGE_CTL_VGA)
dev->command |= PCI_COMMAND_IO;
ctrl = pci_read_config16(dev, PCI_BRIDGE_CONTROL);
ctrl |= dev->link[0].bridge_ctrl;
ctrl |= (PCI_BRIDGE_CTL_PARITY + PCI_BRIDGE_CTL_SERR); /* error check */