diff options
Diffstat (limited to 'arch/powerpc/platforms/cell/iommu.h')
| -rw-r--r-- | arch/powerpc/platforms/cell/iommu.h | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/arch/powerpc/platforms/cell/iommu.h b/arch/powerpc/platforms/cell/iommu.h index 490d77abfe8..2a9ab95604a 100644 --- a/arch/powerpc/platforms/cell/iommu.h +++ b/arch/powerpc/platforms/cell/iommu.h @@ -53,9 +53,11 @@ enum { IOC_ST_ORIGIN = 0x918, IOC_CONF = 0x930, - /* The high bit needs to be set on every DMA address, - only 2GB are addressable */ - CELL_DMA_VALID = 0x80000000, + /* The high bit needs to be set on every DMA address when using + * a spider bridge and only 2GB are addressable with the current + * iommu code. + */ + SPIDER_DMA_VALID = 0x80000000, CELL_DMA_MASK = 0x7fffffff, }; |