summaryrefslogtreecommitdiffstats
path: root/arch/arm/Kconfig-nommu
diff options
context:
space:
mode:
Diffstat (limited to 'arch/arm/Kconfig-nommu')
-rw-r--r--arch/arm/Kconfig-nommu14
1 files changed, 13 insertions, 1 deletions
diff --git a/arch/arm/Kconfig-nommu b/arch/arm/Kconfig-nommu
index 2cef8e13f9f..aed66d5df7f 100644
--- a/arch/arm/Kconfig-nommu
+++ b/arch/arm/Kconfig-nommu
@@ -28,7 +28,7 @@ config FLASH_SIZE
config PROCESSOR_ID
hex 'Hard wire the processor ID'
default 0x00007700
- depends on !CPU_CP15
+ depends on !(CPU_CP15 || CPU_V7M)
help
If processor has no CP15 register, this processor ID is
used instead of the auto-probing which utilizes the register.
@@ -50,3 +50,15 @@ config REMAP_VECTORS_TO_RAM
Otherwise, say 'y' here. In this case, the kernel will require
external support to redirect the hardware exception vectors to
the writable versions located at DRAM_BASE.
+
+config ARM_MPU
+ bool 'Use the ARM v7 PMSA Compliant MPU'
+ depends on CPU_V7
+ default y
+ help
+ Some ARM systems without an MMU have instead a Memory Protection
+ Unit (MPU) that defines the type and permissions for regions of
+ memory.
+
+ If your CPU has an MPU then you should choose 'y' here unless you
+ know that you do not want to use the MPU.