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MIPS: Octeon: Adjust top of DMA32 zone.
authorDavid Daney <ddaney@caviumnetworks.com>
Fri, 1 Oct 2010 20:27:29 +0000 (13:27 -0700)
committerRalf Baechle <ralf@linux-mips.org>
Fri, 29 Oct 2010 18:08:29 +0000 (19:08 +0100)
commit57575b5c81d9ced1133719bba82a65440371a010
tree7dac2f6d7e7da5ca3d679b4ae87ebd378065c02btree | snapshot (tar.gz zip)
parentcfd570990f863de90a86da73ef7b7d84e5190647commit | diff
MIPS: Octeon: Adjust top of DMA32 zone.

On OCTEON, we reserve the last 256MB of 32-bit PCI address space, mapping
the RAM in this region at a high DMA address.  This makes memory in this
region unavailable for 32-bit DMA.

Signed-off-by: David Daney <ddaney@caviumnetworks.com>
Patchwork: http://patchwork.linux-mips.org/patch/1634/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
arch/mips/include/asm/mach-cavium-octeon/cpu-feature-overrides.h diff | blob | blame | history