From: Alexandre Torgue <alexandre.torgue@st.com>
To: Vladimir Murzin <vladimir.murzin@arm.com>,
Maxime Coquelin <mcoquelin.stm32@gmail.com>,
arnd@arndb.de, robh+dt@kernel.org, mark.rutland@arm.com,
linux@armlinux.org.uk, patrice.chotard@st.com,
lee.jones@linaro.org
Cc: devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCH 2/3] ARM: configs: stm32: Enable ARM_MPU
Date: Tue, 27 Feb 2018 18:11:25 +0100 [thread overview]
Message-ID: <64b2e6b6-4d91-5dd7-be10-276f0b9d0ea3@st.com> (raw)
In-Reply-To: <5d8f2c2f-ca2e-632e-bac6-29299dda724e@arm.com>
Hi Vlad
On 12/13/2017 11:11 AM, Vladimir Murzin wrote:
> On 12/12/17 18:02, Alexandre Torgue wrote:
>> STM32 MCUs embed a Memory Protection Unit. Enabling this setting will
>> allow the Kernel to configure the MPU according to devicetree.
>
> Would it be better to "select ARM_MPU" for machines with Cortex-M7?
Sorry for this late answer. You are right I will use a "select" only for
stm32f7 and stm32h7 machines in mach-stm32/Kconfig.
Regards
Alex
>
> Vladimir
>
>>
>> Signed-off-by: Alexandre Torgue <alexandre.torgue@st.com>
>>
>> diff --git a/arch/arm/configs/stm32_defconfig b/arch/arm/configs/stm32_defconfig
>> index bb358ff..e642bdf9 100644
>> --- a/arch/arm/configs/stm32_defconfig
>> +++ b/arch/arm/configs/stm32_defconfig
>> @@ -24,6 +24,7 @@ CONFIG_SET_MEM_PARAM=y
>> CONFIG_DRAM_BASE=0x90000000
>> CONFIG_FLASH_MEM_BASE=0x08000000
>> CONFIG_FLASH_SIZE=0x00200000
>> +CONFIG_ARM_MPU=y
>> CONFIG_PREEMPT=y
>> # CONFIG_ATAGS is not set
>> CONFIG_ZBOOT_ROM_TEXT=0x0
>>
>
next prev parent reply other threads:[~2018-02-27 17:11 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-12-12 18:02 [PATCH 0/3] Enable DMA on STM32 MCU based on cortex-M7 Alexandre Torgue
[not found] ` <1513101746-18030-1-git-send-email-alexandre.torgue-qxv4g6HH51o@public.gmane.org>
2017-12-12 18:02 ` [PATCH 1/3] ARM: dts: stm32: add DMA memory pool on MCU which embed a cortex-M7 Alexandre Torgue
[not found] ` <1513101746-18030-2-git-send-email-alexandre.torgue-qxv4g6HH51o@public.gmane.org>
2017-12-13 10:06 ` Vladimir Murzin
[not found] ` <ab9a2ef4-4944-c935-af6e-12503b477879-5wv7dgnIgG8@public.gmane.org>
2017-12-13 10:28 ` Alexandre TORGUE
2017-12-13 12:50 ` Alexandre TORGUE
2017-12-12 18:02 ` [PATCH 2/3] ARM: configs: stm32: Enable ARM_MPU Alexandre Torgue
[not found] ` <1513101746-18030-3-git-send-email-alexandre.torgue-qxv4g6HH51o@public.gmane.org>
2017-12-13 10:11 ` Vladimir Murzin
2018-02-27 17:11 ` Alexandre Torgue [this message]
2017-12-12 18:02 ` [PATCH 3/3] ARM: dts: stm32: enable dma on MCU which embed a cortex-M7 Alexandre Torgue
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