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pciauto setup bridge

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The P2P bridge bus numbers programmed into the device are relative to
hose->first_busno.

Signed-off-by: Ed Swarthout <Ed.Swarthout@freescale.com>
This commit is contained in:
Ed Swarthout 2007-07-11 14:52:08 -05:00 committed by Wolfgang Denk
parent 571f49fa71
commit e8b85f3ba4
1 changed files with 6 additions and 3 deletions
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9
drivers/pci_auto.c
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@ -165,8 +165,10 @@ void pciauto_prescan_setup_bridge(struct pci_controller *hose,
pci_hose_read_config_dword(hose, dev, PCI_COMMAND, &cmdstat);
/* Configure bus number registers */
pci_hose_write_config_byte(hose, dev, PCI_PRIMARY_BUS, PCI_BUS(dev));
pci_hose_write_config_byte(hose, dev, PCI_SECONDARY_BUS, sub_bus);
pci_hose_write_config_byte(hose, dev, PCI_PRIMARY_BUS,
PCI_BUS(dev) - hose->first_busno);
pci_hose_write_config_byte(hose, dev, PCI_SECONDARY_BUS,
sub_bus - hose->first_busno);
pci_hose_write_config_byte(hose, dev, PCI_SUBORDINATE_BUS, 0xff);
if (pci_mem) {
@ -219,7 +221,8 @@ void pciauto_postscan_setup_bridge(struct pci_controller *hose,
struct pci_region *pci_io = hose->pci_io;
/* Configure bus number registers */
pci_hose_write_config_byte(hose, dev, PCI_SUBORDINATE_BUS, sub_bus);
pci_hose_write_config_byte(hose, dev, PCI_SUBORDINATE_BUS,
sub_bus - hose->first_busno);
if (pci_mem) {
/* Round memory allocator to 1MB boundary */