Add support for NUCLEO-N657X0-Q board

Author: Igor-Misic

Bootloader/Adapters/Inc/flash_adapter.h

@@ -38,12 +38,11 @@
 #include <stdint.h>
 #include <stdbool.h>
 
-#ifdef EXTERNAL_FLASH
+#ifdef EXTERNAL_FLASH // Selecting where will firmware go
 
-#include "quadspi.h"
-#include "w25q.h"
-#define FIRMWARE_FLASH_SIZE_LIMIT W25Q_CHIP_SIZE
-#define PACKET_SIZE W25Q_PAGE_SIZE //TODO: this time size is 256 and 64 byte package can fit in, Check in the future.
+// TODO: add support for external flash chip
+#define FIRMWARE_FLASH_SIZE_LIMIT (100000U)
+#define PACKET_SIZE 256U //TODO: this time size is 256 and 64 byte package can fit in, Check in the future.
 
 #else
 #define FIRMWARE_FLASH_SIZE_LIMIT (FLASH_SIZE - 0x8000u)    //!< Max available flash size for firmware. Flash bank size - FW start address
@@ -68,6 +67,10 @@
 #define RAM_FIRMWARE_ADDRESS        (0x20020000UL)          //!< RAM address where firmware will be written
 #define MAGIC_KEY_ADDRESS_FLASH     (0x08020200UL)          //!< Flash address in internal flash for communication between bootloader and firmware
 #define MAGIC_KEY_ADDRESS_RAM       (0x20070000UL)          //!< Flash address in ram for communication between bootloader and firmware
+#elif defined(STM32N6xx)
+#define FLASH_FIRMWARE_ADDRESS      (0x08020000UL)          //!< Flash address where firmware will be written
+#define FLASH_BOOTLOADER_ADDRESS    (0x08000000UL)          //!< Flash address where bootloader will be written
+#define RAM_FIRMWARE_ADDRESS        (0x34000000UL)          //!< RAM address where firmware will be written
 #else // UnitTest
 #define FLASH_FIRMWARE_ADDRESS      (0x08020000UL)          //!< Flash address where firmware will be written
 #define FLASH_BOOTLOADER_ADDRESS    (0x08000000UL)          //!< Flash address where bootloader will be written

Bootloader/Adapters/Src/flash_adapter.c

@@ -53,27 +53,33 @@ static uint32_t type_program = FLASH_TYPEPROGRAM_FLASHWORD;
 #define FLASH_WORD_SIZE     (4U)                //!< Flash word size in bytes
 #endif
 
+#ifdef INTERNAL_FLASH
 HAL_StatusTypeDef ActivateProtection(FLASH_OBProgramInitTypeDef* ob_struct, uint32_t protect_address_start, uint32_t protect_address_end);
+#endif
 
 #ifdef EXTERNAL_FLASH
 bool
 FlashAdapter_erase(uint32_t firmware_size, uint32_t flash_address) {
-    return W25q_dynamicErase(firmware_size, flash_address);
+    //return W25q_dynamicErase(firmware_size, flash_address);
+    return true;
 }
 
 bool
 FlashAdapter_blockErase(uint32_t address) {
-    return W25q_blockErase64k(address);
+    //return W25q_blockErase64k(address);
+    return true;
 }
 
 bool
 FlashAdapter_program(uint32_t address, uint8_t* buffer, uint32_t length) {
-    return W25q_quadPageProgram(address, buffer, length);
+    //return W25q_quadPageProgram(address, buffer, length);
+    return true;
 }
 
 bool
 FlashAdapter_readBytes(uint32_t address, uint8_t* buffer, uint32_t length) {
-    return W25q_readBytes(address, buffer, length);
+    //return W25q_readBytes(address, buffer, length);
+    return true;
 }
 
 bool

Bootloader/Adapters/Src/gpio_adapter.c

@@ -45,6 +45,9 @@ GpioAdapter_init(void) {
     __HAL_RCC_GPIOD_CLK_ENABLE();
     __HAL_RCC_GPIOE_CLK_ENABLE();
     __HAL_RCC_GPIOF_CLK_ENABLE();
+#if defined(STM32N657xx)
+    __HAL_RCC_GPIOG_CLK_ENABLE();
+#endif
 
 #if defined(LED1_Pin) && defined(LED1_Port) && defined(LED_OFF)
     HAL_GPIO_WritePin(LED1_Port, LED1_Pin, LED_OFF);

Bootloader/Adapters/Src/system_clock_adapter.c

@@ -186,5 +186,104 @@ SystemClock_Config(void) {
         Error_Handler();
     }
 }
+#elif defined(STM32N6xx)
+void
+SystemClock_Config(void) {
+    RCC_OscInitTypeDef RCC_OscInitStruct = {0};
+    RCC_ClkInitTypeDef RCC_ClkInitStruct = {0};
+
+    /** Configure the System Power Supply
+    */
+    if (HAL_PWREx_ConfigSupply(PWR_EXTERNAL_SOURCE_SUPPLY) != HAL_OK) {
+        Error_Handler();
+    }
+
+    /* Enable HSI */
+    RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_HSI;
+    RCC_OscInitStruct.HSIState = RCC_HSI_ON;
+    RCC_OscInitStruct.HSIDiv = RCC_HSI_DIV1;
+    RCC_OscInitStruct.HSICalibrationValue = RCC_HSICALIBRATION_DEFAULT;
+    RCC_OscInitStruct.PLL1.PLLState = RCC_PLL_NONE;
+    RCC_OscInitStruct.PLL2.PLLState = RCC_PLL_NONE;
+    RCC_OscInitStruct.PLL3.PLLState = RCC_PLL_NONE;
+    RCC_OscInitStruct.PLL4.PLLState = RCC_PLL_NONE;
+    if (HAL_RCC_OscConfig(&RCC_OscInitStruct) != HAL_OK) {
+        Error_Handler();
+    }
+
+    /* Wait HSE stabilization time before its selection as PLL source. */
+    HAL_Delay(HSE_STARTUP_TIMEOUT);
+
+    /** Get current CPU/System buses clocks configuration and if necessary switch
+    to intermediate HSI clock to ensure target clock can be set
+    */
+    HAL_RCC_GetClockConfig(&RCC_ClkInitStruct);
+    if ((RCC_ClkInitStruct.CPUCLKSource == RCC_CPUCLKSOURCE_IC1) ||
+        (RCC_ClkInitStruct.SYSCLKSource == RCC_SYSCLKSOURCE_IC2_IC6_IC11)) {
+        RCC_ClkInitStruct.ClockType = (RCC_CLOCKTYPE_CPUCLK | RCC_CLOCKTYPE_SYSCLK);
+        RCC_ClkInitStruct.CPUCLKSource = RCC_CPUCLKSOURCE_HSI;
+        RCC_ClkInitStruct.SYSCLKSource = RCC_SYSCLKSOURCE_HSI;
+        if (HAL_RCC_ClockConfig(&RCC_ClkInitStruct) != HAL_OK) {
+            /* Initialization Error */
+            Error_Handler();
+        }
+    }
+
+    /** Initializes the RCC Oscillators according to the specified parameters
+    * in the RCC_OscInitTypeDef structure.
+    */
+    RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_HSE;
+    RCC_OscInitStruct.HSEState = RCC_HSE_ON;
+    RCC_OscInitStruct.PLL1.PLLState = RCC_PLL_ON;
+    RCC_OscInitStruct.PLL1.PLLSource = RCC_PLLSOURCE_HSE;
+    RCC_OscInitStruct.PLL1.PLLM = 1;
+    RCC_OscInitStruct.PLL1.PLLN = 50;
+    RCC_OscInitStruct.PLL1.PLLFractional = 0;
+    RCC_OscInitStruct.PLL1.PLLP1 = 1;
+    RCC_OscInitStruct.PLL1.PLLP2 = 1;
+    RCC_OscInitStruct.PLL2.PLLState = RCC_PLL_NONE;
+    RCC_OscInitStruct.PLL3.PLLState = RCC_PLL_NONE;
+    RCC_OscInitStruct.PLL4.PLLState = RCC_PLL_NONE;
+    if (HAL_RCC_OscConfig(&RCC_OscInitStruct) != HAL_OK) {
+        Error_Handler();
+    }
+
+    /** Initializes the CPU, AHB and APB buses clocks
+    */
+    RCC_ClkInitStruct.ClockType = RCC_CLOCKTYPE_CPUCLK | RCC_CLOCKTYPE_HCLK
+                                  | RCC_CLOCKTYPE_SYSCLK | RCC_CLOCKTYPE_PCLK1
+                                  | RCC_CLOCKTYPE_PCLK2 | RCC_CLOCKTYPE_PCLK5
+                                  | RCC_CLOCKTYPE_PCLK4;
+    RCC_ClkInitStruct.CPUCLKSource = RCC_CPUCLKSOURCE_IC1;
+    RCC_ClkInitStruct.SYSCLKSource = RCC_SYSCLKSOURCE_IC2_IC6_IC11;
+    RCC_ClkInitStruct.AHBCLKDivider = RCC_HCLK_DIV2;
+    RCC_ClkInitStruct.APB1CLKDivider = RCC_APB1_DIV1;
+    RCC_ClkInitStruct.APB2CLKDivider = RCC_APB2_DIV1;
+    RCC_ClkInitStruct.APB4CLKDivider = RCC_APB4_DIV1;
+    RCC_ClkInitStruct.APB5CLKDivider = RCC_APB5_DIV1;
+    RCC_ClkInitStruct.IC1Selection.ClockSelection = RCC_ICCLKSOURCE_PLL1;
+    RCC_ClkInitStruct.IC1Selection.ClockDivider = 3;
+    RCC_ClkInitStruct.IC2Selection.ClockSelection = RCC_ICCLKSOURCE_PLL1;
+    RCC_ClkInitStruct.IC2Selection.ClockDivider = 6;
+    RCC_ClkInitStruct.IC6Selection.ClockSelection = RCC_ICCLKSOURCE_PLL1;
+    RCC_ClkInitStruct.IC6Selection.ClockDivider = 4;
+    RCC_ClkInitStruct.IC11Selection.ClockSelection = RCC_ICCLKSOURCE_PLL1;
+    RCC_ClkInitStruct.IC11Selection.ClockDivider = 3;
+
+    if (HAL_RCC_ClockConfig(&RCC_ClkInitStruct) != HAL_OK) {
+        Error_Handler();
+    }
+
+    __HAL_RCC_AXISRAM3_MEM_CLK_ENABLE();
+    __HAL_RCC_AXISRAM4_MEM_CLK_ENABLE();
+    __HAL_RCC_AXISRAM5_MEM_CLK_ENABLE();
+    __HAL_RCC_AXISRAM6_MEM_CLK_ENABLE();
+    __HAL_RCC_AHBSRAM1_MEM_CLK_ENABLE();
+    __HAL_RCC_AHBSRAM2_MEM_CLK_ENABLE();
+    __HAL_RCC_BKPSRAM_MEM_CLK_ENABLE();
+    __HAL_RCC_FLEXRAM_MEM_CLK_ENABLE();
+    __HAL_RCC_CACHEAXIRAM_MEM_CLK_ENABLE();
+    __HAL_RCC_VENCRAM_MEM_CLK_ENABLE();
+}
 #endif
 

Bootloader/Inc/board_info.h

@@ -65,6 +65,8 @@
 #define PRODUCT_TYPE    (const char*)("IMProject_demo-pixhawk4")        // Maximum allowed size is 100 characters (101 bytes)
 #elif defined(STM32H735G_DK)
 #define PRODUCT_TYPE    (const char*)("IMProject_demo-stm32h735g_dk")   // Maximum allowed size is 100 characters (101 bytes)
+#elif defined(NUCLEO_N657X0_Q)
+#define PRODUCT_TYPE    (const char*)("IMProject_demo-nucleo_n657x0_q") // Maximum allowed size is 100 characters (101 bytes)
 #else
 #define PRODUCT_TYPE    (const char*)("Product_type_name-board_name")   // Maximum allowed size is 100 characters (101 bytes)
 #endif

Bootloader/Inc/boards_config.h

@@ -72,6 +72,19 @@
 #define LED_ON                  GPIO_PIN_RESET
 #define LED_OFF                 GPIO_PIN_SET
 #define PWR_SUPPLY              PWR_DIRECT_SMPS_SUPPLY
+#elif defined(NUCLEO_N657X0_Q)
+#define LED1_Pin                GPIO_PIN_8      //!< Pin defined for blue LED
+#define LED1_Port               GPIOG
+#define LED2_Pin                GPIO_PIN_10      //!< Pin defined for red LED
+#define LED2_Port               GPIOG
+#define LED_ON                  GPIO_PIN_RESET
+#define LED_OFF                 GPIO_PIN_SET
+#define BL_BUTTON_Pin           GPIO_PIN_13      //!< Button for entering in BL if pressed at boot time
+#define BL_BUTTON_Port          GPIOC
+#define BL_BUTTON_ON            GPIO_PIN_SET
+#define BL_BUTTON_OFF           GPIO_PIN_RESET
+#define BL_BUTTON_PRESS_TIME    500u            //!< Time in [ms] needed for button to be pressed to enter in BL
+#define PWR_SUPPLY              PWR_DIRECT_SMPS_SUPPLY
 #else
 #define LED1_Pin                GPIO_PIN_13
 #define LED1_Port               GPIOC

Bootloader/Inc/main.h

@@ -53,6 +53,9 @@ extern "C" {
 #elif defined(STM32F7xx)
 #include "stm32f7xx.h"
 #include "stm32f7xx_hal.h"
+#elif defined(STM32N657xx)
+#include "stm32n6xx.h"
+#include "stm32n6xx_hal.h"
 #endif
 
 void Error_Handler(void);