diff options
Diffstat (limited to 'drivers/pci/probe.c')
| -rw-r--r-- | drivers/pci/probe.c | 69 |
1 files changed, 14 insertions, 55 deletions
diff --git a/drivers/pci/probe.c b/drivers/pci/probe.c index 463a5a9d583d..c5ca3134513a 100644 --- a/drivers/pci/probe.c +++ b/drivers/pci/probe.c @@ -276,7 +276,8 @@ static void pci_read_bases(struct pci_dev *dev, unsigned int howmany, int rom) sz = pci_size(l, sz, (u32)PCI_ROM_ADDRESS_MASK); if (sz) { res->flags = (l & IORESOURCE_ROM_ENABLE) | - IORESOURCE_MEM | IORESOURCE_READONLY; + IORESOURCE_MEM | IORESOURCE_PREFETCH | + IORESOURCE_READONLY | IORESOURCE_CACHEABLE; res->start = l & PCI_ROM_ADDRESS_MASK; res->end = res->start + (unsigned long) sz; } @@ -454,22 +455,6 @@ struct pci_bus *pci_add_new_bus(struct pci_bus *parent, struct pci_dev *dev, int return child; } -static void pci_enable_crs(struct pci_dev *dev) -{ - u16 cap, rpctl; - int rpcap = pci_find_capability(dev, PCI_CAP_ID_EXP); - if (!rpcap) - return; - - pci_read_config_word(dev, rpcap + PCI_CAP_FLAGS, &cap); - if (((cap & PCI_EXP_FLAGS_TYPE) >> 4) != PCI_EXP_TYPE_ROOT_PORT) - return; - - pci_read_config_word(dev, rpcap + PCI_EXP_RTCTL, &rpctl); - rpctl |= PCI_EXP_RTCTL_CRSSVE; - pci_write_config_word(dev, rpcap + PCI_EXP_RTCTL, rpctl); -} - static void pci_fixup_parent_subordinate_busnr(struct pci_bus *child, int max) { struct pci_bus *parent = child->parent; @@ -516,8 +501,6 @@ int pci_scan_bridge(struct pci_bus *bus, struct pci_dev * dev, int max, int pass pci_write_config_word(dev, PCI_BRIDGE_CONTROL, bctl & ~PCI_BRIDGE_CTL_MASTER_ABORT); - pci_enable_crs(dev); - if ((buses & 0xffff00) && !pcibios_assign_all_busses() && !is_cardbus) { unsigned int cmax, busnr; /* @@ -743,46 +726,22 @@ static int pci_setup_device(struct pci_dev * dev) */ if (class == PCI_CLASS_STORAGE_IDE) { u8 progif; - struct pci_bus_region region; - pci_read_config_byte(dev, PCI_CLASS_PROG, &progif); if ((progif & 1) == 0) { - struct resource resource = { - .start = 0x1F0, - .end = 0x1F7, - .flags = LEGACY_IO_RESOURCE, - }; - - pcibios_resource_to_bus(dev, ®ion, &resource); - dev->resource[0].start = region.start; - dev->resource[0].end = region.end; - dev->resource[0].flags = resource.flags; - resource.start = 0x3F6; - resource.end = 0x3F6; - resource.flags = LEGACY_IO_RESOURCE; - pcibios_resource_to_bus(dev, ®ion, &resource); - dev->resource[1].start = region.start; - dev->resource[1].end = region.end; - dev->resource[1].flags = resource.flags; + dev->resource[0].start = 0x1F0; + dev->resource[0].end = 0x1F7; + dev->resource[0].flags = LEGACY_IO_RESOURCE; + dev->resource[1].start = 0x3F6; + dev->resource[1].end = 0x3F6; + dev->resource[1].flags = LEGACY_IO_RESOURCE; } if ((progif & 4) == 0) { - struct resource resource = { - .start = 0x170, - .end = 0x177, - .flags = LEGACY_IO_RESOURCE, - }; - - pcibios_resource_to_bus(dev, ®ion, &resource); - dev->resource[2].start = region.start; - dev->resource[2].end = region.end; - dev->resource[2].flags = resource.flags; - resource.start = 0x376; - resource.end = 0x376; - resource.flags = LEGACY_IO_RESOURCE; - pcibios_resource_to_bus(dev, ®ion, &resource); - dev->resource[3].start = region.start; - dev->resource[3].end = region.end; - dev->resource[3].flags = resource.flags; + dev->resource[2].start = 0x170; + dev->resource[2].end = 0x177; + dev->resource[2].flags = LEGACY_IO_RESOURCE; + dev->resource[3].start = 0x376; + dev->resource[3].end = 0x376; + dev->resource[3].flags = LEGACY_IO_RESOURCE; } } break; |