In pci_determine_mem_io_space(), do not hard code the region sizes.
Instead, use the values given to us in the ranges property.
Thanks goes to Mikael Petterson for the original Xorg failure
bug repoert, and strace dumps from Mikael and Dmitry Artamonow.
Signed-off-by: David S. Miller <davem@davemloft.net>
for (i = 0; i < num_pbm_ranges; i++) {
const struct linux_prom_pci_ranges *pr = &pbm_ranges[i];
for (i = 0; i < num_pbm_ranges; i++) {
const struct linux_prom_pci_ranges *pr = &pbm_ranges[i];
u32 parent_phys_hi, parent_phys_lo;
u32 parent_phys_hi, parent_phys_lo;
int type;
parent_phys_hi = pr->parent_phys_hi;
int type;
parent_phys_hi = pr->parent_phys_hi;
if (tlb_type == hypervisor)
parent_phys_hi &= 0x0fffffff;
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));
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));
case 1:
/* 16-bit IO space, 16MB */
pbm->io_space.start = a;
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;
pbm->io_space.flags = IORESOURCE_IO;
saw_io = 1;
break;
case 2:
/* 32-bit MEM space, 2GB */
pbm->mem_space.start = a;
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;
pbm->mem_space.flags = IORESOURCE_MEM;
saw_mem = 1;
break;