diff options
Diffstat (limited to 'arch/sparc')
| -rw-r--r-- | arch/sparc/kernel/pci.c | 60 |
1 files changed, 25 insertions, 35 deletions
diff --git a/arch/sparc/kernel/pci.c b/arch/sparc/kernel/pci.c index 253e8ac2783f..fdaf21811670 100644 --- a/arch/sparc/kernel/pci.c +++ b/arch/sparc/kernel/pci.c @@ -375,13 +375,6 @@ static void __devinit apb_calc_first_last(u8 map, u32 *first_p, u32 *last_p) *last_p = last; } -static void pci_resource_adjust(struct resource *res, - struct resource *root) -{ - res->start += root->start; - res->end += root->start; -} - /* For PCI bus devices which lack a 'ranges' property we interrogate * the config space values to set the resources, just like the generic * Linux PCI probing code does. @@ -390,7 +383,8 @@ static void __devinit pci_cfg_fake_ranges(struct pci_dev *dev, struct pci_bus *bus, struct pci_pbm_info *pbm) { - struct resource *res; + struct pci_bus_region region; + struct resource *res, res2; u8 io_base_lo, io_limit_lo; u16 mem_base_lo, mem_limit_lo; unsigned long base, limit; @@ -412,11 +406,14 @@ static void __devinit pci_cfg_fake_ranges(struct pci_dev *dev, res = bus->resource[0]; if (base <= limit) { res->flags = (io_base_lo & PCI_IO_RANGE_TYPE_MASK) | IORESOURCE_IO; + res2.flags = res->flags; + region.start = base; + region.end = limit + 0xfff; + pcibios_bus_to_resource(dev, &res2, ®ion); if (!res->start) - res->start = base; + res->start = res2.start; if (!res->end) - res->end = limit + 0xfff; - pci_resource_adjust(res, &pbm->io_space); + res->end = res2.end; } pci_read_config_word(dev, PCI_MEMORY_BASE, &mem_base_lo); @@ -428,9 +425,9 @@ static void __devinit pci_cfg_fake_ranges(struct pci_dev *dev, if (base <= limit) { res->flags = ((mem_base_lo & PCI_MEMORY_RANGE_TYPE_MASK) | IORESOURCE_MEM); - res->start = base; - res->end = limit + 0xfffff; - pci_resource_adjust(res, &pbm->mem_space); + region.start = base; + region.end = limit + 0xfffff; + pcibios_bus_to_resource(dev, res, ®ion); } pci_read_config_word(dev, PCI_PREF_MEMORY_BASE, &mem_base_lo); @@ -459,9 +456,9 @@ static void __devinit pci_cfg_fake_ranges(struct pci_dev *dev, if (base <= limit) { res->flags = ((mem_base_lo & PCI_MEMORY_RANGE_TYPE_MASK) | IORESOURCE_MEM | IORESOURCE_PREFETCH); - res->start = base; - res->end = limit + 0xfffff; - pci_resource_adjust(res, &pbm->mem_space); + region.start = base; + region.end = limit + 0xfffff; + pcibios_bus_to_resource(dev, res, ®ion); } } @@ -472,6 +469,7 @@ static void __devinit apb_fake_ranges(struct pci_dev *dev, struct pci_bus *bus, struct pci_pbm_info *pbm) { + struct pci_bus_region region; struct resource *res; u32 first, last; u8 map; @@ -479,18 +477,18 @@ static void __devinit apb_fake_ranges(struct pci_dev *dev, pci_read_config_byte(dev, APB_IO_ADDRESS_MAP, &map); apb_calc_first_last(map, &first, &last); res = bus->resource[0]; - res->start = (first << 21); - res->end = (last << 21) + ((1 << 21) - 1); res->flags = IORESOURCE_IO; - pci_resource_adjust(res, &pbm->io_space); + region.start = (first << 21); + region.end = (last << 21) + ((1 << 21) - 1); + pcibios_bus_to_resource(dev, res, ®ion); pci_read_config_byte(dev, APB_MEM_ADDRESS_MAP, &map); apb_calc_first_last(map, &first, &last); res = bus->resource[1]; - res->start = (first << 21); - res->end = (last << 21) + ((1 << 21) - 1); res->flags = IORESOURCE_MEM; - pci_resource_adjust(res, &pbm->mem_space); + region.start = (first << 21); + region.end = (last << 21) + ((1 << 21) - 1); + pcibios_bus_to_resource(dev, res, ®ion); } static void __devinit pci_of_scan_bus(struct pci_pbm_info *pbm, @@ -506,6 +504,7 @@ static void __devinit of_scan_pci_bridge(struct pci_pbm_info *pbm, struct pci_bus *bus; const u32 *busrange, *ranges; int len, i, simba; + struct pci_bus_region region; struct resource *res; unsigned int flags; u64 size; @@ -556,8 +555,6 @@ static void __devinit of_scan_pci_bridge(struct pci_pbm_info *pbm, } i = 1; for (; len >= 32; len -= 32, ranges += 8) { - struct resource *root; - flags = pci_parse_of_flags(ranges[0]); size = GET_64BIT(ranges, 6); if (flags == 0 || size == 0) @@ -569,7 +566,6 @@ static void __devinit of_scan_pci_bridge(struct pci_pbm_info *pbm, " for bridge %s\n", node->full_name); continue; } - root = &pbm->io_space; } else { if (i >= PCI_NUM_RESOURCES - PCI_BRIDGE_RESOURCES) { printk(KERN_ERR "PCI: too many memory ranges" @@ -578,18 +574,12 @@ static void __devinit of_scan_pci_bridge(struct pci_pbm_info *pbm, } res = bus->resource[i]; ++i; - root = &pbm->mem_space; } - res->start = GET_64BIT(ranges, 1); - res->end = res->start + size - 1; res->flags = flags; - - /* Another way to implement this would be to add an of_device - * layer routine that can calculate a resource for a given - * range property value in a PCI device. - */ - pci_resource_adjust(res, root); + region.start = GET_64BIT(ranges, 1); + region.end = region.start + size - 1; + pcibios_bus_to_resource(dev, res, ®ion); } after_ranges: sprintf(bus->name, "PCI Bus %04x:%02x", pci_domain_nr(bus), |