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(parent: fec6c6f) | patch
IXP4xx: workaround for PCI prefetch problems near 64 MB boundary.
authorKrzysztof Hałasa <khc@pm.waw.pl>
Fri, 13 Mar 2009 16:57:04 +0000 (17:57 +0100)
committerKrzysztof Hałasa <khc@pm.waw.pl>
Tue, 17 Mar 2009 14:00:55 +0000 (15:00 +0100)
commit0a07232ff62d1523c5fa7292180890f4de670b95
tree7b190acf8cf61b8ba5bdca7f94676f45f048be8ctree | snapshot
parentfec6c6fec3e20637bee5d276fb61dd8b49a3f9cccommit | diff
IXP4xx: workaround for PCI prefetch problems near 64 MB boundary.

Map unused registers at the end of DMA region at 64 MB to allow PCI masters
to cross the boundary when prefetching data from SDRAM.

Signed-off-by: Krzysztof Hałasa <khc@pm.waw.pl>
arch/arm/include/asm/sizes.h diff | blob | history
arch/arm/mach-ixp4xx/common-pci.c diff | blob | history
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