allocating resource for legacy VGA frame buffer, it is not 100%
correct but it works anyway.
git-svn-id: svn://svn.coreboot.org/coreboot/trunk@1811 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1
diff --git a/src/devices/pci_device.c b/src/devices/pci_device.c
index a32c3a6..b16e922 100644
--- a/src/devices/pci_device.c
+++ b/src/devices/pci_device.c
@@ -117,7 +117,7 @@
/* If it is a 64bit resource look at the high half as well */
if (((attr & PCI_BASE_ADDRESS_SPACE_IO) == 0) &&
- ((attr & PCI_BASE_ADDRESS_MEM_LIMIT_MASK) == PCI_BASE_ADDRESS_MEM_LIMIT_64))
+ ((attr & PCI_BASE_ADDRESS_MEM_LIMIT_MASK) == PCI_BASE_ADDRESS_MEM_LIMIT_64))
{
/* Find the high bits that move */
moving |= ((resource_t)pci_moving_config32(dev, index + 4)) << 32;
@@ -611,13 +611,14 @@
* @brief See if we have already allocated a device structure for a given devfn.
*
* Given a linked list of PCI device structures and a devfn number, find the
- * device structure correspond to the devfn, if present.
+ * device structure correspond to the devfn, if present. This function also
+ * removes the device structure from the linked list.
*
* @param list the device structure list
* @param devfn a device/function number
*
- * @return pointer to the device structure found or null of we have not allocated
- * a device for this devfn yet.
+ * @return pointer to the device structure found or null of we have not
+ * allocated a device for this devfn yet.
*/
static struct device *pci_scan_get_dev(struct device **list, unsigned int devfn)
{
@@ -626,7 +627,7 @@
for(; *list; list = &(*list)->sibling) {
if ((*list)->path.type != DEVICE_PATH_PCI) {
printk_err("child %s not a pci device\n",
- dev_path(*list));
+ dev_path(*list));
continue;
}
if ((*list)->path.u.pci.devfn == devfn) {
@@ -637,15 +638,15 @@
break;
}
}
- /* Just like alloc_dev add the device to the
- * list of device on the bus. When the list of devices was formed
- * we removed all of the parents children, and now we are interleaving
- * static and dynamic devices in order on the bus.
+ /* Just like alloc_dev add the device to the list of device on the bus.
+ * When the list of devices was formed we removed all of the parents
+ * children, and now we are interleaving static and dynamic devices in
+ * order on the bus.
*/
if (dev) {
device_t child;
/* Find the last child of our parent */
- for(child = dev->bus->children; child && child->sibling; ) {
+ for (child = dev->bus->children; child && child->sibling; ) {
child = child->sibling;
}
/* Place the device on the list of children of it's parent. */
@@ -854,6 +855,8 @@
uint32_t buses;
uint16_t cr;
+ printk_spew("%s for %s\n", __func__, dev_path(dev));
+
bus = &dev->link[0];
bus->dev = dev;
dev->links = 1;
@@ -882,15 +885,15 @@
*/
buses &= 0xff000000;
buses |= (((unsigned int) (dev->bus->secondary) << 0) |
- ((unsigned int) (bus->secondary) << 8) |
- ((unsigned int) (bus->subordinate) << 16));
+ ((unsigned int) (bus->secondary) << 8) |
+ ((unsigned int) (bus->subordinate) << 16));
pci_write_config32(dev, PCI_PRIMARY_BUS, buses);
-
+
/* Now we can scan all subordinate buses
* i.e. the bus behind the bridge.
*/
max = pci_scan_bus(bus, 0x00, 0xff, max);
-
+
/* We know the number of buses behind this bridge. Set the subordinate
* bus number to its real value.
*/
@@ -899,7 +902,7 @@
((unsigned int) (bus->subordinate) << 16);
pci_write_config32(dev, PCI_PRIMARY_BUS, buses);
pci_write_config16(dev, PCI_COMMAND, cr);
-
+
printk_spew("%s returns max %d\n", __func__, max);
return max;
}