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| author |   Bernd Schmidt <bernd.schmidt@analog.com> | 2008-01-27 18:39:16 +0800 |
|---|---|---|
| committer |   Bryan Wu <bryan.wu@analog.com> | 2008-01-27 18:39:16 +0800 |
| commit | b97b8a998397e8c64699559099fa9febffae2b4d (patch) | |
| tree | 689188b6336cf45b4391f5bc764878e342b9ac90 /arch/blackfin/Kconfig | |
| parent | [Blackfin] arch: set_bfin_dma_config shouldnt set SYNC or RESTART by default - add argument or option (diff) | |
| download | linux-dev-b97b8a998397e8c64699559099fa9febffae2b4d.tar.xz linux-dev-b97b8a998397e8c64699559099fa9febffae2b4d.zip | |
[Blackfin] arch: Initial checkin of the memory protection support.
Enable it with CONFIG_MPU.
Signed-off-by: Bernd Schmidt <bernd.schmidt@analog.com>
Signed-off-by: Bryan Wu <bryan.wu@analog.com>
Diffstat (limited to 'arch/blackfin/Kconfig')
| -rw-r--r-- | arch/blackfin/Kconfig | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/arch/blackfin/Kconfig b/arch/blackfin/Kconfig index ce521a921bee..6b96d7d21aea 100644 --- a/arch/blackfin/Kconfig +++ b/arch/blackfin/Kconfig @@ -765,6 +765,15 @@ config L1_MAX_PIECE Set the max memory pieces for the L1 SRAM allocation algorithm. Min value is 16. Max value is 1024. + +config MPU + bool "Enable the memory protection unit (EXPERIMENTAL)" + default n + help + Use the processor's MPU to protect applications from accessing + memory they do not own. This comes at a performance penalty + and is recommended only for debugging. + comment "Asynchonous Memory Configuration" menu "EBIU_AMGCTL Global Control" |