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| author | Olof Johansson <olof@lixom.net> | 2007-10-03 13:03:54 -0500 |
|---|---|---|
| committer | David S. Miller <davem@sunset.davemloft.net> | 2007-10-10 16:54:30 -0700 |
| commit | af289e803fdf2fcd19cf4a57c3c896dba146c756 (patch) | |
| tree | 038fe6e9a32ed958450bf0bd33227a3c23342ae8 /arch/powerpc/platforms/pasemi/Kconfig | |
| parent | 9ddf7774b9d760dc3fa4d5ae7d7fd92d4c02150b (diff) | |
| download | talos-obmc-linux-af289e803fdf2fcd19cf4a57c3c896dba146c756.tar.gz talos-obmc-linux-af289e803fdf2fcd19cf4a57c3c896dba146c756.zip | |
pasemi_mac: enable iommu support
pasemi_mac: enable iommu support
Enable IOMMU support for pasemi_mac, but avoid using it on non-partitioned
systems for performance reasons.
The user can override this by selecting the PPC_PASEMI_IOMMU_DMA_FORCE
configuration option.
Signed-off-by: Olof Johansson <olof@lixom.net>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
Diffstat (limited to 'arch/powerpc/platforms/pasemi/Kconfig')
| -rw-r--r-- | arch/powerpc/platforms/pasemi/Kconfig | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/arch/powerpc/platforms/pasemi/Kconfig b/arch/powerpc/platforms/pasemi/Kconfig index 95cd90fd81c7..e95261ef6f98 100644 --- a/arch/powerpc/platforms/pasemi/Kconfig +++ b/arch/powerpc/platforms/pasemi/Kconfig @@ -18,6 +18,16 @@ config PPC_PASEMI_IOMMU help IOMMU support for PA6T-1682M +config PPC_PASEMI_IOMMU_DMA_FORCE + bool "Force DMA engine to use IOMMU" + depends on PPC_PASEMI_IOMMU + help + This option forces the use of the IOMMU also for the + DMA engine. Otherwise the kernel will use it only when + running under a hypervisor. + + If in doubt, say "N". + config PPC_PASEMI_MDIO depends on PHYLIB tristate "MDIO support via GPIO" |
