Commit 13bdae0a authored by Jisheng Zhang's avatar Jisheng Zhang Committed by Johan Hedberg
Browse files

arch: arm: Add initial support for Cortex-M52 Core 



Add initial support for the Cortex-M52 Core which is an implementation
of the Armv8.1-M mainline architecture.

The support is based on the Cortex-M55 support that already exists in
Zephyr.

Signed-off-by: default avatarJisheng Zhang <jszhang@kernel.org>
parent 598eba4d

arch/arm/core/cortex_m/Kconfig

+11 −0
Original line number Diff line number Diff line
@@ -63,6 +63,17 @@ config CPU_CORTEX_M33 
	help

	  This option signifies the use of a Cortex-M33 CPU



config CPU_CORTEX_M52

	bool

	select CPU_CORTEX_M

	select ARMV8_1_M_MAINLINE

	select ARMV8_M_SE if CPU_HAS_TEE

	select ARMV7_M_ARMV8_M_FP if CPU_HAS_FPU

	select CPU_HAS_DCACHE

	select CPU_HAS_ICACHE

	help

	  This option signifies the use of a Cortex-M52 CPU



config CPU_CORTEX_M55

	bool

	select CPU_CORTEX_M

arch/arm/core/mpu/arm_mpu.c

+1 −0
Original line number Diff line number Diff line
@@ -69,6 +69,7 @@ static uint8_t static_regions_num; 
#include "arm_mpu_v7_internal.h"

#elif defined(CONFIG_CPU_CORTEX_M23) || \

	defined(CONFIG_CPU_CORTEX_M33) || \

	defined(CONFIG_CPU_CORTEX_M52) || \

	defined(CONFIG_CPU_CORTEX_M55) || \

	defined(CONFIG_CPU_CORTEX_M85) || \

	defined(CONFIG_AARCH32_ARMV8_R)

arch/arm/core/mpu/arm_mpu_v8_internal.h

+2 −1
Original line number Diff line number Diff line
@@ -32,7 +32,8 @@ struct dynamic_region_info { 
 */

static struct dynamic_region_info dyn_reg_info[MPU_DYNAMIC_REGION_AREAS_NUM];

#if defined(CONFIG_CPU_CORTEX_M23) || defined(CONFIG_CPU_CORTEX_M33) || \

	defined(CONFIG_CPU_CORTEX_M55) || defined(CONFIG_CPU_CORTEX_M85)

	defined(CONFIG_CPU_CORTEX_M52) || defined(CONFIG_CPU_CORTEX_M55) || \

	defined(CONFIG_CPU_CORTEX_M85)

static inline void mpu_set_mair0(uint32_t mair0)

{

	MPU->MAIR0 = mair0;

cmake/gcc-m-cpu.cmake

+10 −0
Original line number Diff line number Diff line
@@ -24,6 +24,16 @@ if("${ARCH}" STREQUAL "arm") 
    else()

      set(GCC_M_CPU cortex-m33+nodsp)

    endif()

  elseif(CONFIG_CPU_CORTEX_M52)

    if    (CONFIG_ARMV8_1_M_MVEF)

      set(GCC_M_CPU cortex-m52)

    elseif(CONFIG_ARMV8_1_M_MVEI)

      set(GCC_M_CPU cortex-m52+nomve.fp)

    elseif(CONFIG_ARMV8_M_DSP)

      set(GCC_M_CPU cortex-m52+nomve)

    else()

      set(GCC_M_CPU cortex-m52+nodsp)

    endif()

  elseif(CONFIG_CPU_CORTEX_M55)

    if    (CONFIG_ARMV8_1_M_MVEF)

      set(GCC_M_CPU cortex-m55)

cmake/gcc-m-fpu.cmake

+4 −0
Original line number Diff line number Diff line
@@ -35,6 +35,10 @@ if("${ARCH}" STREQUAL "arm") 
    set(FPU_FOR_cortex-m7           fpv5-${PRECISION_TOKEN}d16)

    set(FPU_FOR_cortex-m33          fpv5-${PRECISION_TOKEN}d16)

    set(FPU_FOR_cortex-m33+nodsp    fpv5-${PRECISION_TOKEN}d16)

    set(FPU_FOR_cortex-m52          auto)

    set(FPU_FOR_cortex-m52+nomve.fp auto)

    set(FPU_FOR_cortex-m52+nomve    auto)

    set(FPU_FOR_cortex-m52+nodsp    auto)

    set(FPU_FOR_cortex-m55          auto)

    set(FPU_FOR_cortex-m55+nomve.fp auto)

    set(FPU_FOR_cortex-m55+nomve    auto)

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