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danielinuxdanielinux
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Draft support for MCX W71
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‎arch.mk‎

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Original file line numberDiff line numberDiff line change
@@ -638,6 +638,40 @@ ifeq ($(TARGET),mcxa)
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endif
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endif
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ifeq ($(TARGET),mcxw)
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CORTEX_M33=1
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CFLAGS+=\
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-I$(MCUXPRESSO_DRIVERS) \
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-I$(MCUXPRESSO_DRIVERS)/drivers \
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-I$(MCUXPRESSO_DRIVERS)/periph2 \
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-I$(MCUXPRESSO)/drivers \
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-I$(MCUXPRESSO)/drivers/common \
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-I$(MCUXPRESSO_CMSIS)/Include \
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-I$(MCUXPRESSO_CMSIS)/Core/Include
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CFLAGS+=-DCPU_$(MCUXPRESSO_CPU) -DDEBUG_CONSOLE_ASSERT_DISABLE=1
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CFLAGS+=-DWOLFSSL_SP_NO_UMAAL
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CFLAGS+=-Wno-old-style-declaration
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CFLAGS+=-mcpu=cortex-m33 -DCORTEX_M33 -U__ARM_FEATURE_DSP
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LDFLAGS+=-mcpu=cortex-m33
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OBJS+=\
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$(MCUXPRESSO_DRIVERS)/drivers/fsl_clock.o \
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$(MCUXPRESSO_DRIVERS)/drivers/fsl_spc.o \
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$(MCUXPRESSO_DRIVERS)/project_template/clock_config.o \
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$(MCUXPRESSO_DRIVERS)/drivers/fsl_ccm32k.o \
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$(MCUXPRESSO_DRIVERS)/drivers/fsl_romapi.o
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ifeq ($(MCUXSDK),1)
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CFLAGS+=\
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-I$(MCUXPRESSO)/drivers/flash \
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-I$(MCUXPRESSO)/drivers/sysmpu \
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-I$(MCUXPRESSO)/drivers/ltc \
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-I$(MCUXPRESSO)/drivers/port \
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-I$(MCUXPRESSO)/drivers/gpio
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else
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endif
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endif
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ifeq ($(TARGET),imx_rt)
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CFLAGS+=\
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-I$(MCUXPRESSO_DRIVERS) \

‎hal/mcxw.c‎

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@@ -0,0 +1,154 @@
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/* mcxw.c
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*
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* Stubs for custom HAL implementation. Defines the
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* functions used by wolfboot for a specific target.
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*
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* Copyright (C) 2025 wolfSSL Inc.
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*
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* This file is part of wolfBoot.
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*
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* wolfBoot is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 3 of the License, or
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* (at your option) any later version.
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*
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* wolfBoot is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1335, USA
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*/
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#include <stdint.h>
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#include <target.h>
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#include "image.h"
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/* FSL includes */
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#include "fsl_common.h"
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/* Clock + RAM voltage settings */
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#include "fsl_clock.h"
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#include "fsl_spc.h"
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/* Flash driver */
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#include "fsl_device_registers.h"
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#include "fsl_lpspi_flash.h"
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#include "fsl_k4_flash.h"
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/*!< Core clock frequency: 48000000Hz */
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#define BOARD_BOOTCLOCKRUN_CORE_CLOCK 48000000U
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static flash_config_t pflash;
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static uint32_t pflash_sector_size = WOLFBOOT_SECTOR_SIZE;
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uint32_t SystemCoreClock;
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#ifdef __WOLFBOOT
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extern void BOARD_BootClockRUN(void);
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/* Assert hook needed by Kinetis SDK */
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void __assert_func(const char *a, int b, const char *c, const char *d)
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{
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while(1)
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;
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}
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void hal_prepare_boot(void)
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{
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}
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#endif
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void hal_init(void)
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{
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#ifdef __WOLFBOOT
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/* Clock setting */
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BOARD_BootClockRUN();
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#endif
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/* Flash driver init */
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flash_config_t pflash;
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/* Clear the FLASH configuration structure */
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memset(&pflash, 0, sizeof(pflash));
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/* FLASH driver init */
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FLASH_Init(&pflash);
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FLASH_GetProperty(&pflash, kFLASH_PropertyPflash0SectorSize,
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&pflash_sector_size);
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}
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int RAMFUNCTION hal_flash_write(uint32_t address, const uint8_t *data, int len)
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{
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int ret;
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int w = 0;
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const uint8_t empty_qword[16] = {
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0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
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0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF
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};
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while (len > 0) {
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if ((len < 16) || address & 0x0F) {
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uint8_t aligned_qword[16];
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uint32_t address_align = address - (address & 0x0F);
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uint32_t start_off = address - address_align;
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int i;
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memcpy(aligned_qword, (void*)address_align, 16);
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for (i = start_off; ((i < 16) && (i < len + (int)start_off)); i++) {
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aligned_qword[i] = data[w++];
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}
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if (memcmp(aligned_qword, empty_qword, 16) != 0) {
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ret = FLASH_Program(&pflash, FLASH, address_align, aligned_qword, 16);
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if (ret != kStatus_Success)
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return -1;
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}
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address += i;
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len -= i;
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}
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else {
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uint32_t len_align = len - (len & 0x0F);
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ret = FLASH_Program(&pflash, FLASH, address, (uint8_t*)data + w, len_align);
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if (ret != kStatus_Success)
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return -1;
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len -= len_align;
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address += len_align;
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}
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}
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return 0;
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}
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void RAMFUNCTION hal_flash_unlock(void)
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{
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}
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void RAMFUNCTION hal_flash_lock(void)
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{
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}
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int RAMFUNCTION hal_flash_erase(uint32_t address, int len)
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{
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status_t result;
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if (address % pflash_sector_size)
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address -= address % pflash_sector_size;
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while (len > 0) {
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result = FLASH_Erase(&pflash, FLASH, address, pflash_sector_size,
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kFLASH_ApiEraseKey);
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if (kStatus_FLASH_Success != result)
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return -1;
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/* Verify sector if it's been erased. */
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result = FLASH_VerifyEraseSector(&pflash, FLASH, address,
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pflash_sector_size);
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if (kStatus_FLASH_Success != result)
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return -1;
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len -= pflash_sector_size;
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}
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return 0;
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}
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‎hal/mcxw.ld‎

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MEMORY
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{
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FLASH (rx) : ORIGIN = 0x00000000, LENGTH = @BOOTLOADER_PARTITION_SIZE@
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RAM (rwx) : ORIGIN = 0x20000000, LENGTH = 24K
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}
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SECTIONS
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{
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.text :
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{
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_start_text = .;
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KEEP(*(.isr_vector))
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. = 0x200;
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*(.keystore*)
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*(.text*)
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*(.rodata*)
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*(.init*)
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*(.fini*)
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. = ALIGN(4);
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_end_text = .;
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} > FLASH
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.edidx :
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{
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. = ALIGN(4);
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*(.ARM.exidx*)
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} > FLASH
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_stored_data = .;
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.data : AT (_stored_data)
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{
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_start_data = .;
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KEEP(*(.data*))
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. = ALIGN(4);
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_end_data = .;
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} > RAM
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.bss (NOLOAD) :
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{
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_start_bss = .;
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__bss_start__ = .;
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*(.bss*)
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*(COMMON)
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. = ALIGN(4);
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_end_bss = .;
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__bss_end__ = .;
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_end = .;
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} > RAM
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. = ALIGN(4);
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}
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END_STACK = ORIGIN(RAM) + LENGTH(RAM);

‎test-app/ARM-mcxw.ld‎

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MEMORY
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{
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FLASH (rx) : ORIGIN = @WOLFBOOT_TEST_APP_ADDRESS@, LENGTH = @WOLFBOOT_TEST_APP_SIZE@
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RAM (rwx) : ORIGIN = 0x20000000, LENGTH = 24K
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}
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SECTIONS
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{
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.text :
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{
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_start_text = .;
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KEEP(*(.isr_vector))
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*(.init)
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*(.fini)
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*(.text*)
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KEEP(*(.rodata*))
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. = ALIGN(4);
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_end_text = .;
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} > FLASH
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.ARM :
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{
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__exidx_start = .;
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*(.ARM.exidx*)
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__exidx_end = .;
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} > FLASH
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_stored_data = .;
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.data : AT (_stored_data)
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{
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_start_data = .;
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KEEP(*(.data*))
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. = ALIGN(4);
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KEEP(*(.ramcode))
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. = ALIGN(4);
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_end_data = .;
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} > RAM
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.bss :
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{
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_start_bss = .;
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*(.bss*)
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*(COMMON)
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. = ALIGN(4);
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_end_bss = .;
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_end = .;
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} > RAM
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}
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_wolfboot_partition_boot_address = @WOLFBOOT_PARTITION_BOOT_ADDRESS@;
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_wolfboot_partition_size = @WOLFBOOT_PARTITION_SIZE@;
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_wolfboot_partition_update_address = @WOLFBOOT_PARTITION_UPDATE_ADDRESS@;
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_wolfboot_partition_swap_address = @WOLFBOOT_PARTITION_SWAP_ADDRESS@;
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PROVIDE(_start_heap = _end);
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PROVIDE(_end_stack = ORIGIN(RAM) + LENGTH(RAM));

‎test-app/Makefile‎

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Original file line numberDiff line numberDiff line change
@@ -302,6 +302,16 @@ ifeq ($(TARGET),mcxa)
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APP_OBJS+=$(MCUXPRESSO_DRIVERS)/drivers/fsl_spc.o
303303
endif
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305+
ifeq ($(TARGET),mcxw)
306+
LSCRIPT_TEMPLATE=ARM-mcxw.ld
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APP_OBJS+=$(MCUXPRESSO_DRIVERS)/drivers/fsl_clock.o
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APP_OBJS+=$(MCUXPRESSO_DRIVERS)/drivers/fsl_gpio.o
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APP_OBJS+=$(MCUXPRESSO_DRIVERS)/drivers/fsl_spc.o
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APP_OBJS+=$(MCUXPRESSO_DRIVERS)/project_template/clock_config.o
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APP_OBJS+=$(MCUXPRESSO_DRIVERS)/drivers/fsl_ccm32k.o
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APP_OBJS+=$(MCUXPRESSO_DRIVERS)/drivers/fsl_romapi.o
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endif
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305315
ifeq ($(TARGET),imx_rt)
306316
LDFLAGS+=\
307317
-mcpu=cortex-m7 -Wall --specs=nosys.specs -fno-common -ffunction-sections -fdata-sections \

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