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authorBernd Schmidt <bernd.schmidt@analog.com>2008-01-27 18:39:16 +0800
committerBryan Wu <bryan.wu@analog.com>2008-01-27 18:39:16 +0800
commitb97b8a998397e8c64699559099fa9febffae2b4d (patch)
tree689188b6336cf45b4391f5bc764878e342b9ac90 /arch/blackfin/Kconfig
parent2047e40d724d42928c0b5994a1568c1b738efdb7 (diff)
[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/Kconfig9
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"