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Diffstat (limited to 'arch')
-rw-r--r--arch/sparc64/kernel/pci_common.c12
1 files changed, 9 insertions, 3 deletions
diff --git a/arch/sparc64/kernel/pci_common.c b/arch/sparc64/kernel/pci_common.c
index f974fefc3ebc..4249214608af 100644
--- a/arch/sparc64/kernel/pci_common.c
+++ b/arch/sparc64/kernel/pci_common.c
@@ -291,8 +291,9 @@ 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;
+ unsigned long a, size;
u32 parent_phys_hi, parent_phys_lo;
+ u32 size_hi, size_lo;
int type;
parent_phys_hi = pr->parent_phys_hi;
@@ -300,9 +301,14 @@ void pci_determine_mem_io_space(struct pci_pbm_info *pbm)
if (tlb_type == hypervisor)
parent_phys_hi &= 0x0fffffff;
+ size_hi = pr->size_hi;
+ size_lo = pr->size_lo;
+
type = (pr->child_phys_hi >> 24) & 0x3;
a = (((unsigned long)parent_phys_hi << 32UL) |
((unsigned long)parent_phys_lo << 0UL));
+ size = (((unsigned long)size_hi << 32UL) |
+ ((unsigned long)size_lo << 0UL));
switch (type) {
case 0:
@@ -313,7 +319,7 @@ void pci_determine_mem_io_space(struct pci_pbm_info *pbm)
case 1:
/* 16-bit IO space, 16MB */
pbm->io_space.start = a;
- pbm->io_space.end = a + ((16UL*1024UL*1024UL) - 1UL);
+ pbm->io_space.end = a + size - 1UL;
pbm->io_space.flags = IORESOURCE_IO;
saw_io = 1;
break;
@@ -321,7 +327,7 @@ void pci_determine_mem_io_space(struct pci_pbm_info *pbm)
case 2:
/* 32-bit MEM space, 2GB */
pbm->mem_space.start = a;
- pbm->mem_space.end = a + (0x80000000UL - 1UL);
+ pbm->mem_space.end = a + size - 1UL;
pbm->mem_space.flags = IORESOURCE_MEM;
saw_mem = 1;
break;