diff options
Diffstat (limited to 'arch/arm/Kconfig-nommu')
| -rw-r--r-- | arch/arm/Kconfig-nommu | 16 |
1 files changed, 14 insertions, 2 deletions
diff --git a/arch/arm/Kconfig-nommu b/arch/arm/Kconfig-nommu index 901e6dff843..aed66d5df7f 100644 --- a/arch/arm/Kconfig-nommu +++ b/arch/arm/Kconfig-nommu @@ -28,13 +28,13 @@ 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. config REMAP_VECTORS_TO_RAM - bool 'Install vectors to the begining of RAM' if DRAM_BASE + bool 'Install vectors to the beginning of RAM' if DRAM_BASE depends on DRAM_BASE help The kernel needs to change the hardware exception vectors. @@ -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. |