How can I get bootloader example for S32K3XX

zp001 — Wed, 04 Jan 2023 04:53:18 GMT

Hello NXP team,

we are developing bootloader for S32K314 and we'd like to know how to get bootloader example?

Thanks!

Re: How can I get bootloader example for S32K3XX

Senlent — Wed, 04 Jan 2023 05:43:37 GMT

Hi@zp001

please taka a look at this post,

https://community.nxp.com/t5/S32K-Knowledge-Base/Unified-bootloader-Demo/ta-p/1423099

Re: How can I get bootloader example for S32K3XX

lihuagang — Fri, 24 Mar 2023 02:58:28 GMT

Hello,Sir!This attachment is my s32k312 bootloader&app project,but it cannot run properly！Could you help me take a look at how to modify this code，please！ Also, the Unified Bootloader Demo is looks at difficult. Can you provide me with a simpler example?

/* bootloader_linker */ MEMORY { int_flash : ORIGIN = 0x00400000, LENGTH = 0x00010000 /* 2048K - 176K (sBAF + HSE)*/ int_itcm : ORIGIN = 0x00000000, LENGTH = 0x00008000 /* 32K */ int_dtcm : ORIGIN = 0x20000000, LENGTH = 0x00010000 /* 64K */ int_sram : ORIGIN = 0x20400000, LENGTH = 0x00006F00 /* 27 KB */ int_sram_fls_rsv : ORIGIN = 0x20406F00, LENGTH = 0x00000100 int_sram_stack_c0 : ORIGIN = 0x20407000, LENGTH = 0x00001000 int_sram_no_cacheable : ORIGIN = 0x20408000, LENGTH = 0x00007F00 /* 32kb , needs to include int_results */ int_sram_results : ORIGIN = 0x2040FF00, LENGTH = 0x00000100 int_sram_shareable : ORIGIN = 0x20410000, LENGTH = 0x00008000 /* 32KB */ ram_rsvd2 : ORIGIN = 0x20418000, LENGTH = 0 /* End of SRAM */ } /*bootloader_main.c*/ /* ========== define var ========== */ #define APP_START_ADDRESS (0x000410000 + 0x200) //app开始地址 /*=========== LOCAL FUNCTIONS =========*/ void Bootup_Application(const uint32_t app_StarAddress); void init_ram(void); void TestDelay(uint32 delay); void TestDelay(uint32 delay) { static volatile uint32 DelayTimer = 0; while (DelayTimer<delay) { DelayTimer++; } DelayTimer=0; } /** * @brief Main function of the example * @details Initializez the used drivers and uses the Icu * and Dio drivers to toggle a LED on a push button */ int main(void) { uint8 count = 0U; /* Initialize all pins using the Port driver */ Siul2_Port_Ip_Init(NUM_OF_CONFIGURED_PINS0, g_pin_mux_InitConfigArr0); while (count++ < 5) { Siul2_Dio_Ip_WritePin(LED_PORT, LED_PIN, 1U); TestDelay(4800000); Siul2_Dio_Ip_WritePin(LED_PORT, LED_PIN, 0U); TestDelay(4800000); } /* 清空ECC */ init_ram(); /* 执行跳转 */ Bootup_Application(APP_START_ADDRESS); return (0U); } #define STDBYRAM_START 0x20400000 #define STDBYRAM_END 0x20418000 #define STDBYRAM_SIZE (STDBYRAM_END - STDBYRAM_START) void init_ram(void) { uint32_t cnt; uint64_t *pDest; cnt = (( uint32_t)(STDBYRAM_SIZE)) / 8U; pDest = (uint64_t *)(STDBYRAM_START); while (cnt--) { *pDest = (uint64_t)0x00; pDest++; } } /* * start_Bootup_Application * */ void Bootup_Application(const uint32_t app_StarAddress) { uint32_t appEntry, appStack; static void (*jump_to_application)(void); /* 获取栈地址 */ appStack = *((uint32_t *)(app_StarAddress)); /* 获取app入口地址 */ appEntry = *((uint32_t *)(app_StarAddress + 4)); /*把应用程序入口地址赋值给函数指针*/ jump_to_application = (void (*)(void))appEntry; /* 重新定向中断向量表 */ S32_SCB->VTOR = (uint32_t)app_StarAddress; /* 关闭全局中断 ASM_KEYWORD("cpsid i"); */ __asm volatile ("cpsid i" : : : "memory"); /* 设置栈指针 */ __asm volatile ("MSR msp, %0\n" : : "r" (appStack) : "memory"); __asm volatile ("MSR psp, %0\n" : : "r" (appStack) : "memory"); /*跳转*/ jump_to_application(); while (1) { Siul2_Dio_Ip_WritePin(LED_PORT, LED_PIN, 1U); /* 运行到此处说明发生错误 */ } } /* app_linker */ MEMORY { int_flash : ORIGIN = 0x00400000 + 0x00010000 + 0x200, LENGTH = 0x001D4000 - 0x00010000 - 0x200 /* 2048K - 176K (sBAF + HSE)*/ int_itcm : ORIGIN = 0x00000000, LENGTH = 0x00008000 /* 32K */ int_dtcm : ORIGIN = 0x20000000, LENGTH = 0x00010000 /* 64K */ int_sram : ORIGIN = 0x20400000, LENGTH = 0x00006F00 /* 27 KB */ int_sram_fls_rsv : ORIGIN = 0x20406F00, LENGTH = 0x00000100 int_sram_stack_c0 : ORIGIN = 0x20407000, LENGTH = 0x00001000 int_sram_no_cacheable : ORIGIN = 0x20408000, LENGTH = 0x00007F00 /* 32kb , needs to include int_results */ int_sram_results : ORIGIN = 0x2040FF00, LENGTH = 0x00000100 int_sram_shareable : ORIGIN = 0x20410000, LENGTH = 0x00008000 /* 32KB */ ram_rsvd2 : ORIGIN = 0x20418000, LENGTH = 0 /* End of SRAM */ } /* app_main.c */ void TestDelay(uint32 delay); void TestDelay(uint32 delay) { static volatile uint32 DelayTimer = 0; while (DelayTimer<delay) { DelayTimer++; } DelayTimer=0; } /** * @brief Main function of the example * @details Initializez the used drivers and uses the Icu * and Dio drivers to toggle a LED on a push button */ int main(void) { /* Initialize all pins using the Port driver */ Siul2_Port_Ip_Init(NUM_OF_CONFIGURED_PINS0, g_pin_mux_InitConfigArr0); while (1) { Siul2_Dio_Ip_WritePin(LED_PORT, LED_PIN, 1U); TestDelay(4800000); Siul2_Dio_Ip_WritePin(LED_PORT, LED_PIN, 0U); TestDelay(4800000); } //Exit_Example(TRUE); return (0U); }

Re: How can I get bootloader example for S32K3XX

lihuagang — Fri, 24 Mar 2023 03:00:37 GMT

Hello,Sir!This is my attachment，Thanks!

S32KのトピックRe: How can I get bootloader example for S32K3XX

How can I get bootloader example for S32K3XX

Re: How can I get bootloader example for S32K3XX

Re: How can I get bootloader example for S32K3XX

Re: How can I get bootloader example for S32K3XX