[U-Boot-Users] [PATCH 4/5] pciauto setup bridge

Jon Loeliger jdl at freescale.com
Wed Jul 11 21:52:08 CEST 2007


From: 	Ed Swarthout <Ed.Swarthout at freescale.com>

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

Signed-off-by: Ed Swarthout <Ed.Swarthout at freescale.com>
---
 drivers/pci_auto.c |    9 ++++++---
 1 files changed, 6 insertions(+), 3 deletions(-)

diff --git a/drivers/pci_auto.c b/drivers/pci_auto.c
index 9fa18e5..f16f8d3 100644
--- a/drivers/pci_auto.c
+++ b/drivers/pci_auto.c
@@ -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 */
-- 
1.5.2.1.126.g6abd0






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