AP_Bootloader: disable flash ecc erase on boards using flash for parameter storage

Tools/AP_Bootloader/AP_Bootloader.cpp

@@ -74,7 +74,7 @@ int main(void)
 
     flash_init();
 
-#if defined(STM32H7) && CH_CFG_USE_HEAP
+#if AP_FLASH_ECC_CHECK_ENABLED
     check_ecc_errors();
 #endif
     

Tools/AP_Bootloader/support.cpp

@@ -544,7 +544,7 @@ void port_setbaud(uint32_t baudrate)
 }
 #endif // BOOTLOADER_DEV_LIST
 
-#if defined(STM32H7) && CH_CFG_USE_HEAP
+#if AP_FLASH_ECC_CHECK_ENABLED
 /*
   check if flash has any ECC errors and if it does then erase all of
   flash
@@ -591,5 +591,4 @@ void check_ecc_errors(void)
     }
     __enable_fault_irq();
 }
-#endif // defined(STM32H7) && CH_CFG_USE_HEAP
-
+#endif // AP_FLASH_ECC_CHECK_ENABLED

Tools/AP_Bootloader/support.h

@@ -5,6 +5,10 @@
 #define LED_ACTIVITY	1
 #define LED_BOOTLOADER	2
 
+#ifndef AP_FLASH_ECC_CHECK_ENABLED
+#define AP_FLASH_ECC_CHECK_ENABLED defined(STM32H7) && CH_CFG_USE_HEAP && !defined(STORAGE_FLASH_START_PAGE)
+#endif
+
 /* board info forwarded from board-specific code to booloader */
 struct boardinfo {
     uint32_t	board_type;
@@ -54,7 +58,7 @@ void thread_sleep_us(uint32_t us);
 
 void custom_startup(void);
 
-#if defined(STM32H7) && CH_CFG_USE_HEAP
+#if AP_FLASH_ECC_CHECK_ENABLED
 void check_ecc_errors(void);
 #endif