Merge pull request #8599 from bcostm/F769NI_bootloader

DISCO_F769NI: Add bootloader support

Author: Cruz Monrreal

targets/TARGET_STM/TARGET_STM32F7/TARGET_STM32F769xI/TARGET_DISCO_F769NI/system_clock.c

@@ -31,6 +31,7 @@
 
 #include "stm32f7xx.h"
 #include "mbed_error.h"
+#include "nvic_addr.h"
 
 /*!< Uncomment the following line if you need to relocate your vector Table in
      Internal SRAM. */
@@ -92,7 +93,7 @@ void SystemInit(void)
 #ifdef VECT_TAB_SRAM
     SCB->VTOR = RAMDTCM_BASE | VECT_TAB_OFFSET; /* Vector Table Relocation in Internal SRAM */
 #else
-    SCB->VTOR = FLASH_BASE | VECT_TAB_OFFSET; /* Vector Table Relocation in Internal FLASH */
+    SCB->VTOR = NVIC_FLASH_VECTOR_ADDRESS; /* Vector Table Relocation in Internal FLASH */
 #endif
 
 }

targets/TARGET_STM/TARGET_STM32F7/TARGET_STM32F769xI/device/TOOLCHAIN_ARM_MICRO/stm32f769xi.sct

@@ -1,3 +1,4 @@
+#! armcc -E
 ; Scatter-Loading Description File
 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
 ; Copyright (c) 2016, STMicroelectronics
@@ -27,16 +28,25 @@
 ; OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
 
-; STM32F769NI: 2048 KB FLASH (0x200000) + 512 KB SRAM (0x80000)
-LR_IROM1 0x08000000 0x200000  {    ; load region size_region
+#if !defined(MBED_APP_START)
+  #define MBED_APP_START 0x08000000
+#endif
 
-  ER_IROM1 0x08000000 0x200000  {  ; load address = execution address
+; 2048 KB FLASH (0x200000)
+#if !defined(MBED_APP_SIZE)
+  #define MBED_APP_SIZE 0x200000
+#endif
+
+LR_IROM1 MBED_APP_START MBED_APP_SIZE  {    ; load region size_region
+
+  ER_IROM1 MBED_APP_START MBED_APP_SIZE  {  ; load address = execution address
    *.o (RESET, +First)
    *(InRoot$$Sections)
    .ANY (+RO)
   }
 
-  ; Total: 126 vectors = 504 bytes (0x1F8) to be reserved in RAM
+  ; 512KB SRAM (0x80000)
+  ; Total: 126 vectors = 504 bytes (0x1F8 + 0 byte for 8-byte data alignment) to be reserved in RAM
   RW_IRAM1 (0x20000000+0x1F8) (0x80000-0x1F8)  {  ; RW data
    .ANY (+RW +ZI)
   }

targets/TARGET_STM/TARGET_STM32F7/TARGET_STM32F769xI/device/TOOLCHAIN_ARM_STD/stm32f769xi.sct

@@ -1,3 +1,4 @@
+#! armcc -E
 ; Scatter-Loading Description File
 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
 ; Copyright (c) 2016, STMicroelectronics
@@ -27,16 +28,25 @@
 ; OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
 
-; STM32F769NI: 2048 KB FLASH (0x200000) + 512 KB SRAM (0x80000)
-LR_IROM1 0x08000000 0x200000  {    ; load region size_region
+#if !defined(MBED_APP_START)
+  #define MBED_APP_START 0x08000000
+#endif
 
-  ER_IROM1 0x08000000 0x200000  {  ; load address = execution address
+; 2048 KB FLASH (0x200000)
+#if !defined(MBED_APP_SIZE)
+  #define MBED_APP_SIZE 0x200000
+#endif
+
+LR_IROM1 MBED_APP_START MBED_APP_SIZE  {    ; load region size_region
+
+  ER_IROM1 MBED_APP_START MBED_APP_SIZE  {  ; load address = execution address
    *.o (RESET, +First)
    *(InRoot$$Sections)
    .ANY (+RO)
   }
 
-  ; Total: 126 vectors = 504 bytes (0x1F8) to be reserved in RAM
+  ; 512KB SRAM (0x80000)
+  ; Total: 126 vectors = 504 bytes (0x1F8 + 0 byte for 8-byte data alignment) to be reserved in RAM
   RW_IRAM1 (0x20000000+0x1F8) (0x80000-0x1F8)  {  ; RW data
    .ANY (+RW +ZI)
   }

targets/TARGET_STM/TARGET_STM32F7/TARGET_STM32F769xI/device/TOOLCHAIN_GCC_ARM/STM32F769xI.ld

@@ -1,7 +1,16 @@
+#if !defined(MBED_APP_START)
+  #define MBED_APP_START 0x08000000
+#endif
+
+#if !defined(MBED_APP_SIZE)
+  #define MBED_APP_SIZE 2048K
+#endif
+
 /* Linker script to configure memory regions. */
+/* Total: 126 vectors = 504 bytes (0x1F8 + 0 byte for 8-byte data alignment) to be reserved in RAM */
 MEMORY
 { 
-  FLASH (rx) : ORIGIN = 0x08000000, LENGTH = 2048K
+  FLASH (rx) : ORIGIN = MBED_APP_START, LENGTH = MBED_APP_SIZE
   RAM (rwx)  : ORIGIN = 0x200001F8, LENGTH = 512K - 0x1F8
 }
 

targets/TARGET_STM/TARGET_STM32F7/TARGET_STM32F769xI/device/TOOLCHAIN_IAR/stm32f769xi.icf

@@ -1,11 +1,15 @@
 /* [ROM = 2048kb = 0x200000] */
-define symbol __intvec_start__     = 0x08000000;
-define symbol __region_ROM_start__ = 0x08000000;
-define symbol __region_ROM_end__   = 0x081FFFFF;
+if (!isdefinedsymbol(MBED_APP_START)) { define symbol MBED_APP_START = 0x08000000; }
+if (!isdefinedsymbol(MBED_APP_SIZE)) { define symbol MBED_APP_SIZE = 0x200000; }
 
-/* [RAM = 512kb = 0x80000] Vector table dynamic copy: 126 vectors = 504 bytes (0x1F8) to be reserved in RAM */
+define symbol __intvec_start__     = MBED_APP_START;
+define symbol __region_ROM_start__ = MBED_APP_START;
+define symbol __region_ROM_end__   = MBED_APP_START + MBED_APP_SIZE - 1;
+
+/* [RAM = 512kb = 0x80000] */
+/* Total: 126 vectors = 504 bytes (0x1F8 + 0 byte for 8-byte data alignment) to be reserved in RAM */
 define symbol __NVIC_start__          = 0x20000000;
-define symbol __NVIC_end__            = 0x200001F7; /* Aligned on 8 bytes */
+define symbol __NVIC_end__            = 0x200001F7;
 define symbol __region_RAM_start__    = 0x200001F8;
 define symbol __region_RAM_end__      = 0x2007FFFF;
 

targets/targets.json

@@ -2076,6 +2076,7 @@
         "detect_code": ["0817"],
         "macros_add": ["USB_STM_HAL", "USBHOST_OTHER"],
         "device_has_add": ["ANALOGOUT", "CAN", "EMAC", "SERIAL_ASYNCH", "TRNG", "FLASH"],
+        "bootloader_supported": true,
         "release_versions": ["2", "5"],
         "device_name": "STM32F769NI",
         "overrides": {