Merge pull request #4835 from u-blox/c030_bootloader

Add bootloader support for the UBLOX_C030 platforms.

targets/TARGET_STM/TARGET_STM32F4/TARGET_STM32F437xG/TARGET_UBLOX_C030/system_clock.c

@@ -34,6 +34,7 @@
 
 #include "ublox_low_level_api.h"
 #include "stm32f4xx.h"
+#include "nvic_addr.h"
 
 /*!< Uncomment the following line if you need to relocate your vector Table in
      Internal SRAM. */
@@ -89,7 +90,7 @@ void SystemInit(void)
 #ifdef VECT_TAB_SRAM
     SCB->VTOR = SRAM_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 | VECT_TAB_OFFSET; /* Vector Table Relocation in Internal FLASH */
 #endif
 
     ublox_board_init();

targets/TARGET_STM/TARGET_STM32F4/TARGET_STM32F437xG/device/TOOLCHAIN_ARM_STD/stm32f437xx.sct

@@ -29,9 +29,18 @@
 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
 
 ; 1 MB FLASH (0x100000) + 192 KB SRAM (0x30000) + 64 KB CCBRAM (0x10000)+ 4 KB BKPSRAM
-LR_IROM1 0x08000000 0x100000  {    ; load region size_region
 
-  ER_IROM1 0x08000000 0x100000  {  ; load address = execution address
+#if !defined(MBED_APP_START)
+  #define MBED_APP_START 0x08000000
+#endif
+
+#if !defined(MBED_APP_SIZE)
+  #define MBED_APP_SIZE 0x100000
+#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)

targets/TARGET_STM/TARGET_STM32F4/TARGET_STM32F437xG/device/TOOLCHAIN_GCC_ARM/STM32F437xx.ld

@@ -1,10 +1,18 @@
+#if !defined(MBED_APP_START)
+  #define MBED_APP_START 0x08000000
+#endif
+
+#if !defined(MBED_APP_SIZE)
+  #define MBED_APP_SIZE 1024k
+#endif
+
 /* Linker script to configure memory regions. */
 MEMORY
 { 
 RAM (xrw)        : ORIGIN = 0x200001AC, LENGTH = 192K - 0x1AC /* 0x1AC is to leave room for vectors */
 CCM_RAM (rw)     : ORIGIN = 0x10000000, LENGTH = 64K
 BACKUP_SRAM (rw) : ORIGIN = 0x40024000, LENGTH = 4096
-FLASH (rx)       : ORIGIN = 0x08000000, LENGTH = 1024K
+FLASH (rx)       : ORIGIN = MBED_APP_START, LENGTH = MBED_APP_SIZE
 }
 
 /* Linker script to place sections and symbol values. Should be used together

targets/TARGET_STM/TARGET_STM32F4/TARGET_STM32F437xG/device/TOOLCHAIN_IAR/stm32f437xx.icf

@@ -1,11 +1,13 @@
 /*###ICF### Section handled by ICF editor, don't touch! ****/
 /*-Editor annotation file-*/
 /* IcfEditorFile="$TOOLKIT_DIR$\config\ide\IcfEditor\cortex_v1_0.xml" */
+if (!isdefinedsymbol(MBED_APP_START)) { define symbol MBED_APP_START = 0x08000000; }
+if (!isdefinedsymbol(MBED_APP_SIZE)) { define symbol MBED_APP_SIZE = 0x100000; }
 /*-Specials-*/
-define symbol __ICFEDIT_intvec_start__ = 0x08000000;
+define symbol __ICFEDIT_intvec_start__ = MBED_APP_START;
 /*-Memory Regions-*/
-define symbol __ICFEDIT_region_ROM_start__     = 0x08000000;
+define symbol __ICFEDIT_region_ROM_start__     = MBED_APP_START;
-define symbol __ICFEDIT_region_ROM_end__       = 0x080FFFFF;
+define symbol __ICFEDIT_region_ROM_end__       = MBED_APP_START + MBED_APP_SIZE - 1;
 define symbol __ICFEDIT_region_NVIC_start__    = 0x20000000;
 define symbol __ICFEDIT_region_NVIC_end__      = 0x200001AF;
 define symbol __ICFEDIT_region_RAM_start__     = 0x200001B0;

targets/TARGET_STM/TARGET_STM32F4/TARGET_STM32F437xG/device/flash_api.c

@@ -0,0 +1,184 @@
+/* mbed Microcontroller Library
+ *******************************************************************************
+ * Copyright (c) 2017, STMicroelectronics
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice,
+ *    this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright notice,
+ *    this list of conditions and the following disclaimer in the documentation
+ *    and/or other materials provided with the distribution.
+ * 3. Neither the name of STMicroelectronics nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+ * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+ * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *******************************************************************************
+ */
+
+#include "flash_api.h"
+#include "flash_data.h"
+#include "mbed_critical.h"
+
+#if DEVICE_FLASH
+
+#if defined (STM32F427xx) || defined (STM32F437xx)
+#define FLASH_SIZE      (uint32_t) 0x100000
+#endif
+ 
+ static uint32_t GetSector(uint32_t Address);
+static uint32_t GetSectorSize(uint32_t Sector);
+
+int32_t flash_init(flash_t *obj)
+{
+    /* Allow Access to Flash control registers and user Falsh */
+    if (HAL_FLASH_Unlock()) {
+        return -1;
+    } else {
+        return 0;
+    }
+}
+int32_t flash_free(flash_t *obj)
+{
+    /* Disable the Flash option control register access (recommended to protect
+    the option Bytes against possible unwanted operations) */
+    if (HAL_FLASH_Lock()) {
+        return -1;
+    } else {
+        return 0;
+    }
+}
+int32_t flash_erase_sector(flash_t *obj, uint32_t address)
+{
+    /*Variable used for Erase procedure*/
+    static FLASH_EraseInitTypeDef EraseInitStruct;
+    uint32_t FirstSector;
+    uint32_t SectorError = 0;
+
+    if ((address >= (FLASH_BASE + FLASH_SIZE)) || (address < FLASH_BASE)) {
+
+        return -1;
+    }
+
+    /* Get the 1st sector to erase */
+    FirstSector = GetSector(address);
+
+    /* Fill EraseInit structure*/
+    EraseInitStruct.TypeErase = FLASH_TYPEERASE_SECTORS;
+    EraseInitStruct.VoltageRange = FLASH_VOLTAGE_RANGE_3;
+    EraseInitStruct.Sector = FirstSector;
+    EraseInitStruct.NbSectors = 1;
+    if(HAL_FLASHEx_Erase(&EraseInitStruct, &SectorError) != HAL_OK){
+        return -1;
+    } else {
+        return 0;
+    }
+}
+
+int32_t flash_program_page(flash_t *obj, uint32_t address, const uint8_t *data, uint32_t size)
+{
+
+    if ((address >= (FLASH_BASE + FLASH_SIZE)) || (address < FLASH_BASE)) {
+        return -1;
+    }
+
+  /* Note: If an erase operation in Flash memory also concerns data in the data or instruction cache,
+     you have to make sure that these data are rewritten before they are accessed during code
+     execution. If this cannot be done safely, it is recommended to flush the caches by setting the
+     DCRST and ICRST bits in the FLASH_CR register. */
+    __HAL_FLASH_DATA_CACHE_DISABLE();
+    __HAL_FLASH_INSTRUCTION_CACHE_DISABLE();
+
+    __HAL_FLASH_DATA_CACHE_RESET();
+    __HAL_FLASH_INSTRUCTION_CACHE_RESET();
+
+    __HAL_FLASH_INSTRUCTION_CACHE_ENABLE();
+    __HAL_FLASH_DATA_CACHE_ENABLE();
+
+    while (size > 0) {
+        if (HAL_FLASH_Program(FLASH_TYPEPROGRAM_BYTE, address, (uint64_t)*data) != HAL_OK) {
+            return -1;
+        } else {
+            size--;
+            address++;
+            data++;
+        }
+    }
+    return 0;
+}
+
+uint32_t flash_get_sector_size(const flash_t *obj, uint32_t address)
+{
+
+    if ((address >= (FLASH_BASE + FLASH_SIZE)) || (address < FLASH_BASE)) {
+        return MBED_FLASH_INVALID_SIZE;
+    }
+
+    return (GetSectorSize(GetSector(address)));
+}
+
+uint32_t flash_get_page_size(const flash_t *obj)
+{
+    // not applicable for STM32F4
+    return (0x4000); // minimum sector size
+}
+uint32_t flash_get_start_address(const flash_t *obj)
+{
+    return FLASH_BASE;
+}
+uint32_t flash_get_size(const flash_t *obj)
+{
+    return FLASH_SIZE;
+}
+
+/**
+  * @brief  Gets the sector of a given address
+  * @param  None
+  * @retval The sector of a given address
+  */
+static uint32_t GetSector(uint32_t address)
+{
+    uint32_t sector = 0;
+    uint32_t tmp = address - ADDR_FLASH_SECTOR_0;
+    if (address < ADDR_FLASH_SECTOR_4) { // 16k sectorsize
+        sector += tmp >>14;
+    } else if (address < ADDR_FLASH_SECTOR_5) { //64k sector size
+        sector += FLASH_SECTOR_4;
+    } else {
+        sector += 4 + (tmp >>17);
+    }
+  return sector;
+}
+
+/**
+  * @brief  Gets sector Size
+  * @param  None
+  * @retval The size of a given sector
+  */
+static uint32_t GetSectorSize(uint32_t Sector)
+{
+    uint32_t sectorsize = 0x00;
+    if((Sector == FLASH_SECTOR_0) || (Sector == FLASH_SECTOR_1) || (Sector == FLASH_SECTOR_2) ||\
+       (Sector == FLASH_SECTOR_3)) {
+        sectorsize = 16 * 1024;
+    } else if((Sector == FLASH_SECTOR_4)){
+        sectorsize = 64 * 1024;
+    } else {
+        sectorsize = 128 * 1024;
+    }
+    return sectorsize;
+}
+
+#endif

targets/TARGET_STM/TARGET_STM32F4/TARGET_STM32F437xG/device/flash_data.h

@@ -0,0 +1,56 @@
+/* mbed Microcontroller Library
+ *******************************************************************************
+ * Copyright (c) 2016, STMicroelectronics
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice,
+ *    this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright notice,
+ *    this list of conditions and the following disclaimer in the documentation
+ *    and/or other materials provided with the distribution.
+ * 3. Neither the name of STMicroelectronics nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+ * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+ * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *******************************************************************************
+ */
+#ifndef MBED_FLASH_DATA_H
+#define MBED_FLASH_DATA_H
+
+#include "device.h"
+#include <stdint.h>
+
+#if DEVICE_FLASH
+
+/* Exported types ------------------------------------------------------------*/
+/* Exported constants --------------------------------------------------------*/
+/* Exported macro ------------------------------------------------------------*/
+/* Base address of the Flash sectors */
+#define ADDR_FLASH_SECTOR_0     ((uint32_t)0x08000000) /* Base @ of Sector 0, 16 Kbytes */
+#define ADDR_FLASH_SECTOR_1     ((uint32_t)0x08004000) /* Base @ of Sector 1, 16 Kbytes */
+#define ADDR_FLASH_SECTOR_2     ((uint32_t)0x08008000) /* Base @ of Sector 2, 16 Kbytes */
+#define ADDR_FLASH_SECTOR_3     ((uint32_t)0x0800C000) /* Base @ of Sector 3, 16 Kbytes */
+#define ADDR_FLASH_SECTOR_4     ((uint32_t)0x08010000) /* Base @ of Sector 4, 64 Kbytes */
+#define ADDR_FLASH_SECTOR_5     ((uint32_t)0x08020000) /* Base @ of Sector 5, 128 Kbytes */
+#define ADDR_FLASH_SECTOR_6     ((uint32_t)0x08040000) /* Base @ of Sector 6, 128 Kbytes */
+#define ADDR_FLASH_SECTOR_7     ((uint32_t)0x08060000) /* Base @ of Sector 7, 128 Kbytes */
+#define ADDR_FLASH_SECTOR_8     ((uint32_t)0x08080000) /* Base @ of Sector 8, 128 Kbytes */
+#define ADDR_FLASH_SECTOR_9     ((uint32_t)0x080A0000) /* Base @ of Sector 9, 128 Kbytes */
+#define ADDR_FLASH_SECTOR_10    ((uint32_t)0x080C0000) /* Base @ of Sector 10, 128 Kbytes */
+#define ADDR_FLASH_SECTOR_11    ((uint32_t)0x080E0000) /* Base @ of Sector 11, 128 Kbytes */
+
+#endif
+#endif

targets/TARGET_STM/TARGET_STM32F4/TARGET_STM32F437xG/device/nvic_addr.h

@@ -0,0 +1,40 @@
+/* mbed Microcontroller Library
+ * Copyright (c) 2017-2017 ARM Limited
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+#ifndef NVIC_ADDR_H
+#define NVIC_ADDR_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#if defined(__ICCARM__)
+    #pragma section=".intvec"
+    #define NVIC_FLASH_VECTOR_ADDRESS   ((uint32_t)__section_begin(".intvec"))
+#elif defined(__CC_ARM)
+    extern uint32_t Load$$LR$$LR_IROM1$$Base[];
+    #define NVIC_FLASH_VECTOR_ADDRESS   ((uint32_t)Load$$LR$$LR_IROM1$$Base)
+#elif defined(__GNUC__)
+    extern uint32_t g_pfnVectors[];
+    #define NVIC_FLASH_VECTOR_ADDRESS   ((uint32_t)g_pfnVectors)
+#else
+    #error "Flash vector address not set for this toolchain"
+#endif
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif

targets/targets.json

@@ -1707,10 +1707,11 @@
             }
         },
         "macros_add": ["RTC_LSI=1", "HSE_VALUE=12000000", "GNSSBAUD=9600"],
-        "device_has_add": ["ANALOGOUT", "TRNG"],
+        "device_has_add": ["ANALOGOUT", "SERIAL_FC", "TRNG", "FLASH"],
         "features": ["LWIP"],
         "public": false,
-        "device_name": "STM32F437VG"
+        "device_name": "STM32F437VG",
+        "bootloader_supported": true
     },
     "UBLOX_C030_U201": {
         "inherits": ["UBLOX_C030"],