[U-Boot] [RFC PATCH 0/5] arm: Introduce v7R support

[Lokesh Vutla]

Hi Michal,

On Tuesday 24 April 2018 08:06 PM, Michal Simek wrote:
> Hi Lokesh,
> 
> On 24.4.2018 14:54, Lokesh Vutla wrote:
>> The Cortex-R* processors are a mid-range CPUs for use in deeply-embedded,
>> real-time systems. It implements the ARMv7-R architecture, and includes
>> Thumb-2 technology for optimum code density and processing throughput.
>>
>> Except for MPU(Memory Protection Unit) and few CP15 registers, most of the
>> features are compatible with v7 architecture. This series adds minimal
>> support for v7-R architecture by reusing the v7 support. Also adding
>> support for MPU.
>>
>> Lokesh Vutla (4):
>>   arm: v7: Update VBAR only if available
>>   arm: Kconfig: Add entry for MMU
>>   arm: v7R: Add support for MPU
>>   arm: v7R: Add support for enabling caches
>>
>> Michal Simek (1):
>>   arm: v7R: Add initial support
>>
>>  arch/arm/Kconfig                  |  33 ++++++++
>>  arch/arm/Makefile                 |   2 +
>>  arch/arm/cpu/armv7/Makefile       |   2 +
>>  arch/arm/cpu/armv7/mpu_v7r.c      | 120 ++++++++++++++++++++++++++++++
>>  arch/arm/cpu/armv7/start.S        |   4 +
>>  arch/arm/cpu/armv7m/Makefile      |   3 +-
>>  arch/arm/cpu/armv7m/mpu.c         |  41 +---------
>>  arch/arm/include/asm/armv7m_mpu.h |  69 +++++++++++++++++
>>  arch/arm/lib/Makefile             |   5 +-
>>  arch/arm/lib/cache-cp15.c         |  14 +++-
>>  10 files changed, 248 insertions(+), 45 deletions(-)
>>  create mode 100644 arch/arm/cpu/armv7/mpu_v7r.c
>>
> 
> I have tested your series, also wired MPU (protect one region and try to
> access it) and with caches on and off (running mtest to see number of
> iterations and improving numbers with cache on) and nothing is showing
> any functional fundamental problem.

Thanks a lot for testing. Can I take it as your Tested-by:?

Thanks and regards,
Lokesh