diff options
Diffstat (limited to 'drivers/pci/pci-uclass.c')
| -rw-r--r-- | drivers/pci/pci-uclass.c | 16 |
1 files changed, 12 insertions, 4 deletions
diff --git a/drivers/pci/pci-uclass.c b/drivers/pci/pci-uclass.c index de87505466..5b91fe3dce 100644 --- a/drivers/pci/pci-uclass.c +++ b/drivers/pci/pci-uclass.c @@ -296,6 +296,7 @@ int pci_auto_config_devices(struct udevice *bus) !ret && dev; ret = device_find_next_child(&dev)) { struct pci_child_platdata *pplat; + struct pci_controller *ctlr_hose; pplat = dev_get_parent_platdata(dev); unsigned int max_bus; @@ -303,7 +304,10 @@ int pci_auto_config_devices(struct udevice *bus) bdf = PCI_ADD_BUS(bus->seq, pplat->devfn); debug("%s: device %s\n", __func__, dev->name); - max_bus = pciauto_config_device(hose, bdf); + + /* The root controller has the region information */ + ctlr_hose = hose->ctlr->uclass_priv; + max_bus = pciauto_config_device(ctlr_hose, bdf); sub_bus = max(sub_bus, max_bus); } debug("%s: done\n", __func__); @@ -330,7 +334,7 @@ int dm_pci_hose_probe_bus(struct pci_controller *hose, pci_dev_t bdf) sub_bus = pci_get_bus_max() + 1; debug("%s: bus = %d/%s\n", __func__, sub_bus, bus->name); - pciauto_prescan_setup_bridge(hose, bdf, bus->seq); + pciauto_prescan_setup_bridge(hose, bdf, sub_bus); ret = device_probe(bus); if (ret) { @@ -440,6 +444,7 @@ static int decode_regions(struct pci_controller *hose, const void *blob, { int pci_addr_cells, addr_cells, size_cells; int cells_per_record; + phys_addr_t addr; const u32 *prop; int len; int i; @@ -490,8 +495,11 @@ static int decode_regions(struct pci_controller *hose, const void *blob, } /* Add a region for our local memory */ - pci_set_region(hose->regions + hose->region_count++, 0, 0, - gd->ram_size, PCI_REGION_MEM | PCI_REGION_SYS_MEMORY); + addr = gd->ram_size; + if (gd->pci_ram_top && gd->pci_ram_top < addr) + addr = gd->pci_ram_top; + pci_set_region(hose->regions + hose->region_count++, 0, 0, addr, + PCI_REGION_MEM | PCI_REGION_SYS_MEMORY); return 0; } |