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Diffstat (limited to 'arch/sparc64/kernel/pci_sun4v.c')
-rw-r--r--arch/sparc64/kernel/pci_sun4v.c71
1 files changed, 2 insertions, 69 deletions
diff --git a/arch/sparc64/kernel/pci_sun4v.c b/arch/sparc64/kernel/pci_sun4v.c
index eec7def379dc..e1af009617cf 100644
--- a/arch/sparc64/kernel/pci_sun4v.c
+++ b/arch/sparc64/kernel/pci_sun4v.c
@@ -1,6 +1,6 @@
1/* pci_sun4v.c: SUN4V specific PCI controller support. 1/* pci_sun4v.c: SUN4V specific PCI controller support.
2 * 2 *
3 * Copyright (C) 2006 David S. Miller (davem@davemloft.net) 3 * Copyright (C) 2006, 2007 David S. Miller (davem@davemloft.net)
4 */ 4 */
5 5
6#include <linux/kernel.h> 6#include <linux/kernel.h>
@@ -751,72 +751,6 @@ static void pci_sun4v_resource_adjust(struct pci_dev *pdev,
751 res->end += root->start; 751 res->end += root->start;
752} 752}
753 753
754/* Use ranges property to determine where PCI MEM, I/O, and Config
755 * space are for this PCI bus module.
756 */
757static void pci_sun4v_determine_mem_io_space(struct pci_pbm_info *pbm)
758{
759 int i, saw_mem, saw_io;
760
761 saw_mem = saw_io = 0;
762 for (i = 0; i < pbm->num_pbm_ranges; i++) {
763 struct linux_prom_pci_ranges *pr = &pbm->pbm_ranges[i];
764 unsigned long a;
765 int type;
766
767 type = (pr->child_phys_hi >> 24) & 0x3;
768 a = (((unsigned long)pr->parent_phys_hi << 32UL) |
769 ((unsigned long)pr->parent_phys_lo << 0UL));
770
771 switch (type) {
772 case 1:
773 /* 16-bit IO space, 16MB */
774 pbm->io_space.start = a;
775 pbm->io_space.end = a + ((16UL*1024UL*1024UL) - 1UL);
776 pbm->io_space.flags = IORESOURCE_IO;
777 saw_io = 1;
778 break;
779
780 case 2:
781 /* 32-bit MEM space, 2GB */
782 pbm->mem_space.start = a;
783 pbm->mem_space.end = a + (0x80000000UL - 1UL);
784 pbm->mem_space.flags = IORESOURCE_MEM;
785 saw_mem = 1;
786 break;
787
788 case 3:
789 /* XXX 64-bit MEM handling XXX */
790
791 default:
792 break;
793 };
794 }
795
796 if (!saw_io || !saw_mem) {
797 prom_printf("%s: Fatal error, missing %s PBM range.\n",
798 pbm->name,
799 (!saw_io ? "IO" : "MEM"));
800 prom_halt();
801 }
802
803 printk("%s: PCI IO[%lx] MEM[%lx]\n",
804 pbm->name,
805 pbm->io_space.start,
806 pbm->mem_space.start);
807}
808
809static void pbm_register_toplevel_resources(struct pci_controller_info *p,
810 struct pci_pbm_info *pbm)
811{
812 pbm->io_space.name = pbm->mem_space.name = pbm->name;
813
814 request_resource(&ioport_resource, &pbm->io_space);
815 request_resource(&iomem_resource, &pbm->mem_space);
816 pci_register_legacy_regions(&pbm->io_space,
817 &pbm->mem_space);
818}
819
820static unsigned long probe_existing_entries(struct pci_pbm_info *pbm, 754static unsigned long probe_existing_entries(struct pci_pbm_info *pbm,
821 struct pci_iommu *iommu) 755 struct pci_iommu *iommu)
822{ 756{
@@ -1396,8 +1330,7 @@ static void pci_sun4v_pbm_init(struct pci_controller_info *p, struct device_node
1396 for (i = 0; i < pbm->num_pbm_ranges; i++) 1330 for (i = 0; i < pbm->num_pbm_ranges; i++)
1397 pbm->pbm_ranges[i].parent_phys_hi &= 0x0fffffff; 1331 pbm->pbm_ranges[i].parent_phys_hi &= 0x0fffffff;
1398 1332
1399 pci_sun4v_determine_mem_io_space(pbm); 1333 pci_determine_mem_io_space(pbm);
1400 pbm_register_toplevel_resources(p, pbm);
1401 1334
1402 prop = of_find_property(dp, "interrupt-map", &len); 1335 prop = of_find_property(dp, "interrupt-map", &len);
1403 pbm->pbm_intmap = prop->value; 1336 pbm->pbm_intmap = prop->value;