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cpu/stm32: disable MPU for cortex-m0+ (stm32g0 and stm32l052t8) #14823

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merged 2 commits into from
Aug 21, 2020
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cpu/stm32: disable MPU for cortex-m0+ (stm32g0 and stm32l052t8) #14823

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fd71e09
cpu/stm32: disable MPU for stm32g0
aabadie Aug 21, 2020
b4aa2da
cpu/stm32: remove MPU feature from stm32l052t8
aabadie Aug 21, 2020
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2 changes: 0 additions & 2 deletions cpu/stm32/Kconfig
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Original file line number Diff line number Diff line change
Expand Up @@ -70,7 +70,6 @@ config CPU_FAM_G0
select CPU_STM32
select CPU_CORE_CORTEX_M0PLUS
select HAS_CPU_STM32G0
select HAS_CORTEXM_MPU
select HAS_PERIPH_FLASHPAGE
select HAS_PERIPH_FLASHPAGE_RAW

Expand Down Expand Up @@ -307,7 +306,6 @@ config CPU_MODEL_STM32L031K6
config CPU_MODEL_STM32L052T8
bool
select CPU_FAM_L0
select HAS_CORTEXM_MPU
select HAS_PERIPH_HWRNG

config CPU_MODEL_STM32L053R8
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7 changes: 4 additions & 3 deletions cpu/stm32/Makefile.features
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Original file line number Diff line number Diff line change
Expand Up @@ -32,12 +32,13 @@ ifneq (,$(filter $(CPU_FAM),f2 f4 f7 g4 l0 l4 wb))
endif
endif

ifneq (,$(filter $(CPU_FAM),f2 f4 f7 g0 g4 l1 l4))
ifneq (,$(filter $(CPU_FAM),f2 f4 f7 g4 l1 l4))
FEATURES_PROVIDED += cortexm_mpu
endif

# only some stm32f3 and stm32l0 have an MPU
STM32_WITH_MPU += stm32f303re stm32f303vc stm32f303ze stm32l052t8
# only some stm32f3 have an MPU, stm32l052t8 provides an MPU but support is
# broken for cortex-m0+
STM32_WITH_MPU += stm32f303re stm32f303vc stm32f303ze
ifneq (,$(filter $(CPU_MODEL),$(STM32_WITH_MPU)))
FEATURES_PROVIDED += cortexm_mpu
endif
Expand Down