Author: gber
Date: Fri Sep 14 09:45:13 2012
New Revision: 240487
URL: http://svn.freebsd.org/changeset/base/240487
Log:
If virtual addresses are not set use one to one mapping.
Do not map memory and IO space at address 0.
Obtained from: Semihalf
Modified:
head/sys/dev/fdt/fdt_pci.c
Modified: head/sys/dev/fdt/fdt_pci.c
==============================================================================
--- head/sys/dev/fdt/fdt_pci.c Fri Sep 14 09:38:54 2012 (r240486)
+++ head/sys/dev/fdt/fdt_pci.c Fri Sep 14 09:45:13 2012 (r240487)
@@ -341,14 +341,14 @@ fdt_pci_devmap(phandle_t node, struct pm
if ((error = fdt_pci_ranges_decode(node, &io_space, &mem_space)) != 0)
return (error);
- devmap->pd_va = io_va;
+ devmap->pd_va = (io_va ? io_va : io_space.base_parent);
devmap->pd_pa = io_space.base_parent;
devmap->pd_size = io_space.len;
devmap->pd_prot = VM_PROT_READ | VM_PROT_WRITE;
devmap->pd_cache = PTE_NOCACHE;
devmap++;
- devmap->pd_va = mem_va;
+ devmap->pd_va = (mem_va ? mem_va : mem_space.base_parent);
devmap->pd_pa = mem_space.base_parent;
devmap->pd_size = mem_space.len;
devmap->pd_prot = VM_PROT_READ | VM_PROT_WRITE;
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