diff options
| author | Barry Song <barry.song@analog.com> | 2009-12-02 10:13:36 +0100 |
|---|---|---|
| committer | Mike Frysinger <vapier@gentoo.org> | 2009-12-15 06:15:48 +0100 |
| commit | c45c06596e0d45125d25beb0fe24a68aef1f1046 (patch) | |
| tree | a556caee3f3f14ae9fd0eb5bb9e7053ecd8c63e8 /arch/blackfin/Kconfig | |
| parent | Blackfin: push BF5Xx configs down into mach-specific Kconfigs (diff) | |
| download | linux-c45c06596e0d45125d25beb0fe24a68aef1f1046.tar.xz linux-c45c06596e0d45125d25beb0fe24a68aef1f1046.zip | |
Blackfin: support smaller uncached DMA chunks for memory constrained systems
When working with 8 meg systems, forcing a 1 meg DMA chunk heavily cuts
into the available resources. So support smaller chunks to better cover
needs for these systems.
Signed-off-by: Barry Song <barry.song@analog.com>
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
Diffstat (limited to 'arch/blackfin/Kconfig')
| -rw-r--r-- | arch/blackfin/Kconfig | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/arch/blackfin/Kconfig b/arch/blackfin/Kconfig index d703247caf20..8141b1e82927 100644 --- a/arch/blackfin/Kconfig +++ b/arch/blackfin/Kconfig @@ -896,6 +896,12 @@ config DMA_UNCACHED_2M bool "Enable 2M DMA region" config DMA_UNCACHED_1M bool "Enable 1M DMA region" +config DMA_UNCACHED_512K + bool "Enable 512K DMA region" +config DMA_UNCACHED_256K + bool "Enable 256K DMA region" +config DMA_UNCACHED_128K + bool "Enable 128K DMA region" config DMA_UNCACHED_NONE bool "Disable DMA region" endchoice |