please check the patch for fix overwrite upper 32bit YH
--- drivers/pci/setup-res.c.orig 2005-08-05 10:08:45.000000000 -0700 +++ drivers/pci/setup-res.c 2005-08-05 13:25:06.000000000 -0700 @@ -33,6 +33,18 @@ u32 new, check, mask; int reg; + if (resno < 6) { + reg = PCI_BASE_ADDRESS_0 + 4 * resno; + if((resno & 1)==1) { + /* check if previous reg is 64 mem */ + pci_read_config_dword(dev, reg-4, &check ); + if ((check & (PCI_BASE_ADDRESS_SPACE|PCI_BASE_ADDRESS_MEM_TYPE_MASK)) == + (PCI_BASE_ADDRESS_SPACE_MEMORY|PCI_BASE_ADDRESS_MEM_TYPE_64)) + return; + } + + } + pcibios_resource_to_bus(dev, ®ion, res); pr_debug(" got res [%lx:%lx] bus [%lx:%lx] flags %lx for " @@ -67,7 +79,7 @@ if ((new & (PCI_BASE_ADDRESS_SPACE|PCI_BASE_ADDRESS_MEM_TYPE_MASK)) == (PCI_BASE_ADDRESS_SPACE_MEMORY|PCI_BASE_ADDRESS_MEM_TYPE_64)) { - new = 0; /* currently everyone zeros the high address */ + new = region.start >> 32 ; pci_write_config_dword(dev, reg + 4, new); pci_read_config_dword(dev, reg + 4, &check); if (check != new) { - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/