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soc:arm:nxp_s32ze: Create MPU regions for separated code and data #80939

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soc:arm:nxp_s32ze: Create MPU regions for separated code and data #80939

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3 changes: 3 additions & 0 deletions boards/nxp/s32z2xxdc2/Kconfig.defconfig
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Expand Up @@ -6,6 +6,9 @@ if BOARD_S32Z2XXDC2_S32Z270_RTU0 || BOARD_S32Z2XXDC2_S32Z270_RTU1
config BUILD_OUTPUT_BIN
default n

config XIP
default y

if SERIAL

config UART_INTERRUPT_DRIVEN
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1 change: 1 addition & 0 deletions boards/nxp/s32z2xxdc2/s32z2xxdc2_s32z270_rtu0.dts
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Expand Up @@ -14,6 +14,7 @@

chosen {
zephyr,sram = &sram0;
zephyr,flash = &sram_code0;
zephyr,canbus = &canxl0;
};

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2 changes: 1 addition & 1 deletion boards/nxp/s32z2xxdc2/s32z2xxdc2_s32z270_rtu0_defconfig
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@@ -1,7 +1,7 @@
# Copyright 2022,2024 NXP
# SPDX-License-Identifier: Apache-2.0

CONFIG_XIP=n
CONFIG_XIP=y
CONFIG_ISR_STACK_SIZE=512
CONFIG_SYS_CLOCK_TICKS_PER_SEC=1000
CONFIG_SYS_CLOCK_HW_CYCLES_PER_SEC=8000000
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1 change: 1 addition & 0 deletions boards/nxp/s32z2xxdc2/s32z2xxdc2_s32z270_rtu1.dts
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Expand Up @@ -14,6 +14,7 @@

chosen {
zephyr,sram = &sram1;
zephyr,flash = &sram_code1;
zephyr,console = &uart0;
zephyr,shell-uart = &uart0;
zephyr,canbus = &flexcan0;
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2 changes: 1 addition & 1 deletion boards/nxp/s32z2xxdc2/s32z2xxdc2_s32z270_rtu1_defconfig
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Original file line number Diff line number Diff line change
@@ -1,7 +1,7 @@
# Copyright 2022,2024 NXP
# SPDX-License-Identifier: Apache-2.0

CONFIG_XIP=n
CONFIG_XIP=y
CONFIG_ISR_STACK_SIZE=512
CONFIG_SYS_CLOCK_TICKS_PER_SEC=1000
CONFIG_SYS_CLOCK_HW_CYCLES_PER_SEC=8000000
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10 changes: 10 additions & 0 deletions dts/arm/nxp/nxp_s32z27x_r52.dtsi
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Expand Up @@ -120,6 +120,16 @@
reg = <0x35780000 DT_SIZE_M(1)>;
};

sram_code0: memory@32100000 {
compatible = "mmio-sram";
reg = <0x32100000 DT_SIZE_M(7)>;
};

sram_code1: memory@36100000 {
compatible = "mmio-sram";
reg = <0x36100000 DT_SIZE_M(7)>;
};

uart0: uart@40170000 {
compatible = "nxp,s32-linflexd";
reg = <0x40170000 0x1000>;
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2 changes: 1 addition & 1 deletion soc/nxp/s32/s32ze/mpu_regions.c
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Expand Up @@ -24,7 +24,7 @@ static const struct arm_mpu_region mpu_regions[] = {
REGION_RAM_RO_ATTR((uintptr_t)__rodata_region_end)),

MPU_REGION_ENTRY("SRAM_DATA",
(uintptr_t)__rom_region_end,
(uintptr_t)_image_ram_start,
REGION_RAM_ATTR((uintptr_t)__kernel_ram_end)),

MPU_REGION_ENTRY("DEVICE",
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