diff options
Diffstat (limited to 'arch/sparc')
| -rw-r--r-- | arch/sparc/kernel/pci.c | 6 | ||||
| -rw-r--r-- | arch/sparc/kernel/pci_common.c | 34 | ||||
| -rw-r--r-- | arch/sparc/kernel/pci_impl.h | 4 |
3 files changed, 33 insertions, 11 deletions
diff --git a/arch/sparc/kernel/pci.c b/arch/sparc/kernel/pci.c index 220d0f36560a..41b20edb427d 100644 --- a/arch/sparc/kernel/pci.c +++ b/arch/sparc/kernel/pci.c @@ -664,12 +664,12 @@ struct pci_bus *pci_scan_one_pbm(struct pci_pbm_info *pbm, printk("PCI: Scanning PBM %s\n", node->full_name); pci_add_resource_offset(&resources, &pbm->io_space, - pbm->io_space.start); + pbm->io_offset); pci_add_resource_offset(&resources, &pbm->mem_space, - pbm->mem_space.start); + pbm->mem_offset); if (pbm->mem64_space.flags) pci_add_resource_offset(&resources, &pbm->mem64_space, - pbm->mem_space.start); + pbm->mem64_offset); pbm->busn.start = pbm->pci_first_busno; pbm->busn.end = pbm->pci_last_busno; pbm->busn.flags = IORESOURCE_BUS; diff --git a/arch/sparc/kernel/pci_common.c b/arch/sparc/kernel/pci_common.c index 1e10fb26fa88..14fa74f90fdb 100644 --- a/arch/sparc/kernel/pci_common.c +++ b/arch/sparc/kernel/pci_common.c @@ -397,6 +397,8 @@ void pci_determine_mem_io_space(struct pci_pbm_info *pbm) int i, saw_mem, saw_io; int num_pbm_ranges; + /* Corresponding generic code in of_pci_get_host_bridge_resources() */ + saw_mem = saw_io = 0; pbm_ranges = of_get_property(pbm->op->dev.of_node, "ranges", &i); if (!pbm_ranges) { @@ -411,13 +413,16 @@ void pci_determine_mem_io_space(struct pci_pbm_info *pbm) for (i = 0; i < num_pbm_ranges; i++) { const struct linux_prom_pci_ranges *pr = &pbm_ranges[i]; - unsigned long a, size; + unsigned long a, size, region_a; u32 parent_phys_hi, parent_phys_lo; + u32 child_phys_mid, child_phys_lo; u32 size_hi, size_lo; int type; parent_phys_hi = pr->parent_phys_hi; parent_phys_lo = pr->parent_phys_lo; + child_phys_mid = pr->child_phys_mid; + child_phys_lo = pr->child_phys_lo; if (tlb_type == hypervisor) parent_phys_hi &= 0x0fffffff; @@ -427,6 +432,8 @@ void pci_determine_mem_io_space(struct pci_pbm_info *pbm) type = (pr->child_phys_hi >> 24) & 0x3; a = (((unsigned long)parent_phys_hi << 32UL) | ((unsigned long)parent_phys_lo << 0UL)); + region_a = (((unsigned long)child_phys_mid << 32UL) | + ((unsigned long)child_phys_lo << 0UL)); size = (((unsigned long)size_hi << 32UL) | ((unsigned long)size_lo << 0UL)); @@ -441,6 +448,7 @@ void pci_determine_mem_io_space(struct pci_pbm_info *pbm) pbm->io_space.start = a; pbm->io_space.end = a + size - 1UL; pbm->io_space.flags = IORESOURCE_IO; + pbm->io_offset = a - region_a; saw_io = 1; break; @@ -449,6 +457,7 @@ void pci_determine_mem_io_space(struct pci_pbm_info *pbm) pbm->mem_space.start = a; pbm->mem_space.end = a + size - 1UL; pbm->mem_space.flags = IORESOURCE_MEM; + pbm->mem_offset = a - region_a; saw_mem = 1; break; @@ -457,6 +466,7 @@ void pci_determine_mem_io_space(struct pci_pbm_info *pbm) pbm->mem64_space.start = a; pbm->mem64_space.end = a + size - 1UL; pbm->mem64_space.flags = IORESOURCE_MEM; + pbm->mem64_offset = a - region_a; saw_mem = 1; break; @@ -472,14 +482,22 @@ void pci_determine_mem_io_space(struct pci_pbm_info *pbm) prom_halt(); } - printk("%s: PCI IO[%llx] MEM[%llx]", - pbm->name, - pbm->io_space.start, - pbm->mem_space.start); + if (pbm->io_space.flags) + printk("%s: PCI IO %pR offset %llx\n", + pbm->name, &pbm->io_space, pbm->io_offset); + if (pbm->mem_space.flags) + printk("%s: PCI MEM %pR offset %llx\n", + pbm->name, &pbm->mem_space, pbm->mem_offset); + if (pbm->mem64_space.flags && pbm->mem_space.flags) { + if (pbm->mem64_space.start <= pbm->mem_space.end) + pbm->mem64_space.start = pbm->mem_space.end + 1; + if (pbm->mem64_space.start > pbm->mem64_space.end) + pbm->mem64_space.flags = 0; + } + if (pbm->mem64_space.flags) - printk(" MEM64[%llx]", - pbm->mem64_space.start); - printk("\n"); + printk("%s: PCI MEM64 %pR offset %llx\n", + pbm->name, &pbm->mem64_space, pbm->mem64_offset); pbm->io_space.name = pbm->mem_space.name = pbm->name; pbm->mem64_space.name = pbm->name; diff --git a/arch/sparc/kernel/pci_impl.h b/arch/sparc/kernel/pci_impl.h index ac172961d276..4e3d15189fa9 100644 --- a/arch/sparc/kernel/pci_impl.h +++ b/arch/sparc/kernel/pci_impl.h @@ -100,6 +100,10 @@ struct pci_pbm_info { struct resource mem_space; struct resource mem64_space; struct resource busn; + /* offset */ + resource_size_t io_offset; + resource_size_t mem_offset; + resource_size_t mem64_offset; /* Base of PCI Config space, can be per-PBM or shared. */ unsigned long config_space; |