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- Implement an enable method for pci devices.

Browse Source 
- Add initial support for the amd8131
- Update the mptable to something possible
- hdama/Config add the amd8131 southbridge


git-svn-id: svn://svn.coreboot.org/coreboot/trunk@968 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1
This commit is contained in:
Eric Biederman
2003-07-17 03:26:03 +00:00
parent 5fb929e6e3
commit 4086d16ba2
4 changed files with 93 additions and 37 deletions
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36
src/devices/pci_device.c
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@@ -572,23 +572,18 @@ unsigned int pci_scan_bus(struct device *bus, unsigned int max)
continue;
}
memset(dev, 0, sizeof(*dev));
dev->bus = bus;
dev->devfn = devfn;
dev->vendor = id & 0xffff;
dev->device = (id >> 16) & 0xffff;
dev->hdr_type = hdr_type;
/* class code, the upper 3 bytes of PCI_CLASS_REVISION */
dev->class = class >> 8;
/* If we don't have prior information about this device enable it */
dev->enable = 1;
}
dev->bus = bus;
dev->devfn = devfn;
dev->vendor = id & 0xffff;
dev->device = (id >> 16) & 0xffff;
dev->hdr_type = hdr_type;
/* class code, the upper 3 bytes of PCI_CLASS_REVISION */
dev->class = class >> 8;
/* non-destructively determine if device can be a master: */
cmd = pci_read_config8(dev, PCI_COMMAND);
pci_write_config8(dev, PCI_COMMAND, cmd | PCI_COMMAND_MASTER);
tmp = pci_read_config8(dev, PCI_COMMAND);
dev->master = ((tmp & PCI_COMMAND_MASTER) != 0);
pci_write_config8(dev, PCI_COMMAND, cmd);
/* Look at the vendor and device id, or at least the
* header type and class and figure out which set of configuration
@@ -600,9 +595,16 @@ unsigned int pci_scan_bus(struct device *bus, unsigned int max)
free(dev);
continue;
}
printk_debug("PCI: %02x:%02x.%01x [%04x/%04x]\n",
/* Now run the magic enable/disable sequence for the device */
if (dev->ops && dev->ops->enable) {
dev->ops->enable(dev);
}
printk_debug("PCI: %02x:%02x.%01x [%04x/%04x] %s\n",
bus->secondary, PCI_SLOT(dev->devfn), PCI_FUNC(dev->devfn),
dev->vendor, dev->device);
dev->vendor, dev->device,
dev->enable?"enabled": "disabled");
/* Put it into the global device chain. */
append_device(dev);