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| author | ian <ian@FreeBSD.org> | 2014-05-10 20:03:03 +0000 |
|---|---|---|
| committer | ian <ian@FreeBSD.org> | 2014-05-10 20:03:03 +0000 |
| commit | 56f425f93e301f59d7faf1cac97f8a95e5603a90 (patch) | |
| tree | 607bcfe8efcbae21ca6641b84d582e34c51c9683 /sys/arm/mv/mv_pci.c | |
| parent | d283b621dc1fd91d4cda1ea15c0c8918c3ce3476 (diff) | |
| download | FreeBSD-src-56f425f93e301f59d7faf1cac97f8a95e5603a90.zip FreeBSD-src-56f425f93e301f59d7faf1cac97f8a95e5603a90.tar.gz | |
When mapping device memory, use PTE_DEVICE rather than PTE_NOCACHE.
On armv4 these are defined as synonyms right now, but it's a bit ambiguous
what NOCACHE means (is buffering/write-combining also enabled or not?); this
is a first step towards replacing PTE_NOCACHE with a less ambiguous name.
Diffstat (limited to 'sys/arm/mv/mv_pci.c')
| -rw-r--r-- | sys/arm/mv/mv_pci.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/sys/arm/mv/mv_pci.c b/sys/arm/mv/mv_pci.c index be4ccc9..012b31b 100644 --- a/sys/arm/mv/mv_pci.c +++ b/sys/arm/mv/mv_pci.c @@ -235,14 +235,14 @@ mv_pci_devmap(phandle_t node, struct arm_devmap_entry *devmap, vm_offset_t io_va 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->pd_cache = PTE_DEVICE; devmap++; 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; - devmap->pd_cache = PTE_NOCACHE; + devmap->pd_cache = PTE_DEVICE; return (0); } |
