tito97sp commented on a change in pull request #4908:
URL: https://github.com/apache/incubator-nuttx/pull/4908#discussion_r757887995
##########
File path: boards/arm/stm32h7/nucleo-h743zi/configs/mcuboot-loader/defconfig
##########
@@ -0,0 +1,94 @@
+#
+# This file is autogenerated: PLEASE DO NOT EDIT IT.
+#
+# You can use "make menuconfig" to make any modifications to the installed
.config file.
+# You can then do "make savedefconfig" to generate a new defconfig file that
includes your
+# modifications.
+#
+# CONFIG_SPI_EXCHANGE is not set
+# CONFIG_STM32H7_SYSCFG is not set
+CONFIG_ARCH="arm"
+CONFIG_ARCH_BOARD="nucleo-h743zi"
+CONFIG_ARCH_BOARD_NUCLEO_H743ZI=y
+CONFIG_ARCH_CHIP="stm32h7"
+CONFIG_ARCH_CHIP_STM32H743ZI=y
+CONFIG_ARCH_CHIP_STM32H7=y
+CONFIG_ARCH_STACKDUMP=y
+CONFIG_ARMV7M_BASEPRI_WAR=y
+CONFIG_ARMV7M_DCACHE=y
+CONFIG_ARMV7M_DTCM=y
+CONFIG_ARMV7M_ICACHE=y
+CONFIG_ARMV7M_MEMCPY=y
+CONFIG_ARMV7M_STACKCHECK=y
+CONFIG_ARMV7M_USEBASEPRI=y
+CONFIG_BOARDCTL_RESET=y
+CONFIG_BOARDCTL_ROMDISK=y
+CONFIG_BOARD_CUSTOM_LEDS=y
+CONFIG_BOARD_LATE_INITIALIZE=y
+CONFIG_BOARD_LOOPSPERMSEC=43103
+CONFIG_BOOT_MCUBOOT=y
+CONFIG_BUILTIN=y
+CONFIG_CLOCK_MONOTONIC=y
+CONFIG_DEBUG_FEATURES=y
+CONFIG_DEBUG_IRQ=y
+CONFIG_DEBUG_SYMBOLS=y
+CONFIG_DRVR_READAHEAD=y
+CONFIG_DRVR_WRITEBUFFER=y
+CONFIG_EXPERIMENTAL=y
+CONFIG_FAT_LCNAMES=y
+CONFIG_FAT_LFN=y
+CONFIG_FS_FAT=y
+CONFIG_FS_PROCFS=y
+CONFIG_FTL_WRITEBUFFER=y
+CONFIG_HAVE_CXX=y
+CONFIG_HAVE_CXXINITIALIZE=y
+CONFIG_IOB_NBUFFERS=24
+CONFIG_IOB_NCHAINS=24
+CONFIG_LIBC_LZF=y
+CONFIG_LIBM=y
+CONFIG_MCUBOOT_BOOTLOADER=y
+CONFIG_MCUBOOT_VERSION="ecd34c116873bf187a3d7431151249ec856738d0"
Review comment:
I was using the most recent commit of mcuboot trying to avoid some nuttx
compilation warnings. What commit/version do you recommend me to use? Thanks
##########
File path: boards/arm/stm32h7/nucleo-h743zi/scripts/flash-mcu-app.ld
##########
@@ -0,0 +1,200 @@
+/****************************************************************************
+ * boards/arm/stm32h7/nucleo-h743zi/scripts/flash.ld
Review comment:
You are right! Thanks
##########
File path: boards/arm/stm32h7/nucleo-h743zi/scripts/Make.defs
##########
@@ -22,7 +22,15 @@ include $(TOPDIR)/.config
include $(TOPDIR)/tools/Config.mk
include $(TOPDIR)/arch/arm/src/armv7-m/Toolchain.defs
-LDSCRIPT = flash.ld
+ifeq ($(CONFIG_APP_FORMAT_MCUBOOT),y)
+ifeq ($(CONFIG_MCUBOOT_BOOTLOADER),y)
+ LDSCRIPT = flash-mcuboot-loader.ld
Review comment:
I use this approach! Thanks!
##########
File path: boards/arm/stm32h7/nucleo-h743zi/configs/mcuboot-app/defconfig
##########
@@ -0,0 +1,141 @@
+#
+# This file is autogenerated: PLEASE DO NOT EDIT IT.
+#
+# You can use "make menuconfig" to make any modifications to the installed
.config file.
+# You can then do "make savedefconfig" to generate a new defconfig file that
includes your
+# modifications.
+#
+# CONFIG_SPI_EXCHANGE is not set
+# CONFIG_STM32H7_SYSCFG is not set
+CONFIG_ARCH="arm"
+CONFIG_ARCH_BOARD="nucleo-h743zi"
+CONFIG_ARCH_BOARD_NUCLEO_H743ZI=y
+CONFIG_ARCH_CHIP="stm32h7"
+CONFIG_ARCH_CHIP_STM32H743ZI=y
+CONFIG_ARCH_CHIP_STM32H7=y
+CONFIG_ARCH_STACKDUMP=y
+CONFIG_ARMV7M_BASEPRI_WAR=y
+CONFIG_ARMV7M_DCACHE=y
+CONFIG_ARMV7M_DTCM=y
+CONFIG_ARMV7M_ICACHE=y
+CONFIG_ARMV7M_MEMCPY=y
+CONFIG_ARMV7M_STACKCHECK=y
+CONFIG_ARMV7M_USEBASEPRI=y
+CONFIG_ARM_MPU_EARLY_RESET=y
+CONFIG_BOARDCTL_RESET=y
+CONFIG_BOARD_CUSTOM_LEDS=y
Review comment:
Done
##########
File path: boards/arm/stm32h7/nucleo-h743zi/src/stm32_progmem.c
##########
@@ -0,0 +1,284 @@
+/****************************************************************************
+ * apps/examples/mtdpart/stm32_progmem.c
Review comment:
Done
##########
File path: boards/arm/stm32h7/nucleo-h743zi/src/stm32_progmem.c
##########
@@ -0,0 +1,284 @@
+/****************************************************************************
+ * apps/examples/mtdpart/stm32_progmem.c
+ *
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements. See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership. The
+ * ASF licenses this file to you 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.
+ *
+ ****************************************************************************/
+
+/****************************************************************************
+ * Included Files
+ ****************************************************************************/
+
+#include <nuttx/config.h>
+
+#include <sys/mount.h>
+
+#include <stdbool.h>
+#include <stdlib.h>
+#include <stdio.h>
+#include <assert.h>
+#include <errno.h>
+#include <debug.h>
+
+#include <nuttx/progmem.h>
+#include <nuttx/drivers/drivers.h>
+#include <nuttx/fs/ioctl.h>
+#include <nuttx/kmalloc.h>
+#include <nuttx/mtd/mtd.h>
+#ifdef CONFIG_BCH
+#include <nuttx/drivers/drivers.h>
+#endif
+
+#include <stm32.h>
+#include <nucleo-h743zi.h>
+#include <stm32_flash.h>
+
+#ifdef HAVE_PROGMEM_CHARDEV
+
+/****************************************************************************
+ * Pre-processor Definitions
+ ****************************************************************************/
+
+#define ARRAYSIZE(x) (sizeof((x)) / sizeof((x)[0]))
+
+/* Configuration ************************************************************/
+
+/* Make sure that support for MTD partitions is enabled */
+#ifdef CONFIG_MTD
+
+#ifndef CONFIG_MTD_PARTITION
+# error "CONFIG_MTD_PARTITION is required"
+#endif
+
+#endif
+/****************************************************************************
+ * Private Types
+ ****************************************************************************/
+
+#if defined(CONFIG_PROGMEM_OTA_PARTITION)
+
+struct ota_partition_s
+{
+ uint32_t offset; /* Partition offset from the beginning of MTD */
+ uint32_t size; /* Partition size in bytes */
+ const char *devpath; /* Partition device path */
+};
+
+#endif
+
+/****************************************************************************
+ * Private Function Prototypes
+ ****************************************************************************/
+
+#if defined(CONFIG_PROGMEM_OTA_PARTITION)
+static struct mtd_dev_s *progmem_alloc_mtdpart(uint32_t mtd_offset,
+ uint32_t mtd_size);
Review comment:
Done
##########
File path: boards/arm/stm32h7/nucleo-h743zi/src/stm32_progmem.c
##########
@@ -0,0 +1,284 @@
+/****************************************************************************
+ * apps/examples/mtdpart/stm32_progmem.c
+ *
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements. See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership. The
+ * ASF licenses this file to you 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.
+ *
+ ****************************************************************************/
+
+/****************************************************************************
+ * Included Files
+ ****************************************************************************/
+
+#include <nuttx/config.h>
+
+#include <sys/mount.h>
+
+#include <stdbool.h>
+#include <stdlib.h>
+#include <stdio.h>
+#include <assert.h>
+#include <errno.h>
+#include <debug.h>
+
+#include <nuttx/progmem.h>
+#include <nuttx/drivers/drivers.h>
+#include <nuttx/fs/ioctl.h>
+#include <nuttx/kmalloc.h>
+#include <nuttx/mtd/mtd.h>
+#ifdef CONFIG_BCH
+#include <nuttx/drivers/drivers.h>
+#endif
+
+#include <stm32.h>
+#include <nucleo-h743zi.h>
+#include <stm32_flash.h>
+
+#ifdef HAVE_PROGMEM_CHARDEV
+
+/****************************************************************************
+ * Pre-processor Definitions
+ ****************************************************************************/
+
+#define ARRAYSIZE(x) (sizeof((x)) / sizeof((x)[0]))
+
+/* Configuration ************************************************************/
+
+/* Make sure that support for MTD partitions is enabled */
+#ifdef CONFIG_MTD
+
+#ifndef CONFIG_MTD_PARTITION
+# error "CONFIG_MTD_PARTITION is required"
+#endif
+
+#endif
+/****************************************************************************
+ * Private Types
+ ****************************************************************************/
+
+#if defined(CONFIG_PROGMEM_OTA_PARTITION)
+
+struct ota_partition_s
+{
+ uint32_t offset; /* Partition offset from the beginning of MTD */
+ uint32_t size; /* Partition size in bytes */
+ const char *devpath; /* Partition device path */
+};
+
+#endif
+
+/****************************************************************************
+ * Private Function Prototypes
+ ****************************************************************************/
+
+#if defined(CONFIG_PROGMEM_OTA_PARTITION)
+static struct mtd_dev_s *progmem_alloc_mtdpart(uint32_t mtd_offset,
+ uint32_t mtd_size);
+static int init_ota_partitions(void);
+#endif
+
+/****************************************************************************
+ * Private Data
+ ****************************************************************************/
+
+static FAR struct mtd_dev_s *g_progmem_mtd;
+
+#if defined(CONFIG_PROGMEM_OTA_PARTITION)
+static const struct ota_partition_s g_ota_partition_table[] =
+{
+ {
+ .offset = CONFIG_OTA_PRIMARY_SLOT_OFFSET,
+ .size = CONFIG_OTA_SLOT_SIZE,
+ .devpath = CONFIG_OTA_PRIMARY_SLOT_DEVPATH
+ },
+ {
+ .offset = CONFIG_OTA_SECONDARY_SLOT_OFFSET,
+ .size = CONFIG_OTA_SLOT_SIZE,
+ .devpath = CONFIG_OTA_SECONDARY_SLOT_DEVPATH
+ },
+ {
+ .offset = CONFIG_OTA_SCRATCH_OFFSET,
+ .size = CONFIG_OTA_SCRATCH_SIZE,
+ .devpath = CONFIG_OTA_SCRATCH_DEVPATH
+ }
+};
+#endif
+
+
+/****************************************************************************
+ * Private Functions
+ ****************************************************************************/
+
+#if defined(CONFIG_PROGMEM_OTA_PARTITION)
+
+/****************************************************************************
+ * Name: sam_progmem_alloc_mtdpart
+ *
+ * Description:
+ * Allocate an MTD partition from FLASH.
+ *
+ * Input Parameters:
+ * mtd_offset - MTD Partition offset from the base address in FLASH.
+ * mtd_size - Size for the MTD partition.
+ *
+ * Returned Value:
+ * MTD partition data pointer on success, NULL on failure.
+ *
+ ****************************************************************************/
+
+static struct mtd_dev_s *progmem_alloc_mtdpart(uint32_t mtd_offset,
+ uint32_t mtd_size)
Review comment:
Done
##########
File path: boards/arm/stm32h7/nucleo-h743zi/src/stm32_progmem.c
##########
@@ -0,0 +1,284 @@
+/****************************************************************************
+ * apps/examples/mtdpart/stm32_progmem.c
+ *
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements. See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership. The
+ * ASF licenses this file to you 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.
+ *
+ ****************************************************************************/
+
+/****************************************************************************
+ * Included Files
+ ****************************************************************************/
+
+#include <nuttx/config.h>
+
+#include <sys/mount.h>
+
+#include <stdbool.h>
+#include <stdlib.h>
+#include <stdio.h>
+#include <assert.h>
+#include <errno.h>
+#include <debug.h>
+
+#include <nuttx/progmem.h>
+#include <nuttx/drivers/drivers.h>
+#include <nuttx/fs/ioctl.h>
+#include <nuttx/kmalloc.h>
+#include <nuttx/mtd/mtd.h>
+#ifdef CONFIG_BCH
+#include <nuttx/drivers/drivers.h>
+#endif
+
+#include <stm32.h>
+#include <nucleo-h743zi.h>
+#include <stm32_flash.h>
+
+#ifdef HAVE_PROGMEM_CHARDEV
+
+/****************************************************************************
+ * Pre-processor Definitions
+ ****************************************************************************/
+
+#define ARRAYSIZE(x) (sizeof((x)) / sizeof((x)[0]))
+
+/* Configuration ************************************************************/
+
+/* Make sure that support for MTD partitions is enabled */
+#ifdef CONFIG_MTD
+
+#ifndef CONFIG_MTD_PARTITION
+# error "CONFIG_MTD_PARTITION is required"
+#endif
+
+#endif
+/****************************************************************************
+ * Private Types
+ ****************************************************************************/
+
+#if defined(CONFIG_PROGMEM_OTA_PARTITION)
+
+struct ota_partition_s
+{
+ uint32_t offset; /* Partition offset from the beginning of MTD */
+ uint32_t size; /* Partition size in bytes */
+ const char *devpath; /* Partition device path */
+};
+
+#endif
+
+/****************************************************************************
+ * Private Function Prototypes
+ ****************************************************************************/
+
+#if defined(CONFIG_PROGMEM_OTA_PARTITION)
+static struct mtd_dev_s *progmem_alloc_mtdpart(uint32_t mtd_offset,
+ uint32_t mtd_size);
+static int init_ota_partitions(void);
+#endif
+
+/****************************************************************************
+ * Private Data
+ ****************************************************************************/
+
+static FAR struct mtd_dev_s *g_progmem_mtd;
+
+#if defined(CONFIG_PROGMEM_OTA_PARTITION)
+static const struct ota_partition_s g_ota_partition_table[] =
+{
+ {
+ .offset = CONFIG_OTA_PRIMARY_SLOT_OFFSET,
+ .size = CONFIG_OTA_SLOT_SIZE,
+ .devpath = CONFIG_OTA_PRIMARY_SLOT_DEVPATH
+ },
+ {
+ .offset = CONFIG_OTA_SECONDARY_SLOT_OFFSET,
+ .size = CONFIG_OTA_SLOT_SIZE,
+ .devpath = CONFIG_OTA_SECONDARY_SLOT_DEVPATH
+ },
+ {
+ .offset = CONFIG_OTA_SCRATCH_OFFSET,
+ .size = CONFIG_OTA_SCRATCH_SIZE,
+ .devpath = CONFIG_OTA_SCRATCH_DEVPATH
+ }
+};
+#endif
+
+
+/****************************************************************************
+ * Private Functions
+ ****************************************************************************/
+
+#if defined(CONFIG_PROGMEM_OTA_PARTITION)
+
+/****************************************************************************
+ * Name: sam_progmem_alloc_mtdpart
+ *
+ * Description:
+ * Allocate an MTD partition from FLASH.
+ *
+ * Input Parameters:
+ * mtd_offset - MTD Partition offset from the base address in FLASH.
+ * mtd_size - Size for the MTD partition.
+ *
+ * Returned Value:
+ * MTD partition data pointer on success, NULL on failure.
+ *
+ ****************************************************************************/
+
+static struct mtd_dev_s *progmem_alloc_mtdpart(uint32_t mtd_offset,
+ uint32_t mtd_size)
+{
+ uint32_t blocks;
+ ssize_t startblock;
+
+ //ASSERT((mtd_offset + mtd_size) <= up_progmem_neraseblocks() *
+ // up_progmem_pagesize(0));
+ ASSERT((mtd_offset % up_progmem_pagesize(0)) == 0);
+ ASSERT((mtd_size % up_progmem_pagesize(0)) == 0);
+
+ finfo("\tMTD offset = 0x%"PRIx32"\n", mtd_offset);
+ finfo("\tMTD size = 0x%"PRIx32"\n", mtd_size);
+
+ startblock = up_progmem_getpage(mtd_offset + up_progmem_getaddress(0));
+ if (startblock < 0)
+ {
+ return NULL;
+ }
+
+ blocks = mtd_size / up_progmem_pagesize(0);
+
+ return mtd_partition(g_progmem_mtd, startblock, blocks);
+}
+
+/****************************************************************************
+ * Name: init_ota_partitions
+ *
+ * Description:
+ * Initialize partitions that are dedicated to firmware OTA update.
+ *
+ * Input Parameters:
+ * None.
+ *
+ * Returned Value:
+ * Zero on success; a negated errno value on failure.
+ *
+ ****************************************************************************/
+
+static int init_ota_partitions(void)
+{
+ FAR struct mtd_dev_s *mtd;
+#ifdef CONFIG_BCH
+ char blockdev[18];
+#endif
+ int ret = OK;
+
+ for (uint i = 0; i < ARRAYSIZE(g_ota_partition_table); ++i)
+ {
+ const struct ota_partition_s *part = &g_ota_partition_table[i];
+ mtd = progmem_alloc_mtdpart(part->offset, part->size);
+
+ ret = ftl_initialize(i, mtd);
+ if (ret < 0)
+ {
+ ferr("ERROR: Failed to initialize the FTL layer: %d\n", ret);
+ return ret;
+ }
+
+#ifdef CONFIG_BCH
+ snprintf(blockdev, 18, "/dev/mtdblock%d", i);
+
+ ret = bchdev_register(blockdev, part->devpath, false);
+ if (ret < 0)
+ {
+ ferr("ERROR: bchdev_register %s failed: %d\n", part->devpath, ret);
+ return ret;
+ }
+#endif
+ }
+
+ return ret;
+}
+#endif
+
+
+/****************************************************************************
+ * Public Functions
+ ****************************************************************************/
+
+/****************************************************************************
+ * Name: stm32_progmem_init
+ *
+ * Description:
+ * Initialize the FLASH and register the MTD device.
+ ****************************************************************************/
+
+int stm32_progmem_init(void)
+{
+ int ret = OK;
+
+
+ stm32h7_flash_unlock(); //TODO: Remove. Is only because cant link if
removed.
+
+ /* Create an instance of the SAME70 FLASH program memory device driver */
Review comment:
Done
##########
File path: boards/arm/stm32h7/nucleo-h743zi/src/stm32_progmem.c
##########
@@ -0,0 +1,284 @@
+/****************************************************************************
+ * apps/examples/mtdpart/stm32_progmem.c
+ *
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements. See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership. The
+ * ASF licenses this file to you 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.
+ *
+ ****************************************************************************/
+
+/****************************************************************************
+ * Included Files
+ ****************************************************************************/
+
+#include <nuttx/config.h>
+
+#include <sys/mount.h>
+
+#include <stdbool.h>
+#include <stdlib.h>
+#include <stdio.h>
+#include <assert.h>
+#include <errno.h>
+#include <debug.h>
+
+#include <nuttx/progmem.h>
+#include <nuttx/drivers/drivers.h>
+#include <nuttx/fs/ioctl.h>
+#include <nuttx/kmalloc.h>
+#include <nuttx/mtd/mtd.h>
+#ifdef CONFIG_BCH
+#include <nuttx/drivers/drivers.h>
+#endif
+
+#include <stm32.h>
+#include <nucleo-h743zi.h>
+#include <stm32_flash.h>
+
+#ifdef HAVE_PROGMEM_CHARDEV
+
+/****************************************************************************
+ * Pre-processor Definitions
+ ****************************************************************************/
+
+#define ARRAYSIZE(x) (sizeof((x)) / sizeof((x)[0]))
+
+/* Configuration ************************************************************/
+
+/* Make sure that support for MTD partitions is enabled */
+#ifdef CONFIG_MTD
+
+#ifndef CONFIG_MTD_PARTITION
+# error "CONFIG_MTD_PARTITION is required"
+#endif
+
+#endif
+/****************************************************************************
+ * Private Types
+ ****************************************************************************/
+
+#if defined(CONFIG_PROGMEM_OTA_PARTITION)
+
+struct ota_partition_s
+{
+ uint32_t offset; /* Partition offset from the beginning of MTD */
+ uint32_t size; /* Partition size in bytes */
+ const char *devpath; /* Partition device path */
+};
+
+#endif
+
+/****************************************************************************
+ * Private Function Prototypes
+ ****************************************************************************/
+
+#if defined(CONFIG_PROGMEM_OTA_PARTITION)
+static struct mtd_dev_s *progmem_alloc_mtdpart(uint32_t mtd_offset,
+ uint32_t mtd_size);
+static int init_ota_partitions(void);
+#endif
+
+/****************************************************************************
+ * Private Data
+ ****************************************************************************/
+
+static FAR struct mtd_dev_s *g_progmem_mtd;
+
+#if defined(CONFIG_PROGMEM_OTA_PARTITION)
+static const struct ota_partition_s g_ota_partition_table[] =
+{
+ {
+ .offset = CONFIG_OTA_PRIMARY_SLOT_OFFSET,
+ .size = CONFIG_OTA_SLOT_SIZE,
+ .devpath = CONFIG_OTA_PRIMARY_SLOT_DEVPATH
+ },
+ {
+ .offset = CONFIG_OTA_SECONDARY_SLOT_OFFSET,
+ .size = CONFIG_OTA_SLOT_SIZE,
+ .devpath = CONFIG_OTA_SECONDARY_SLOT_DEVPATH
+ },
+ {
+ .offset = CONFIG_OTA_SCRATCH_OFFSET,
+ .size = CONFIG_OTA_SCRATCH_SIZE,
+ .devpath = CONFIG_OTA_SCRATCH_DEVPATH
+ }
+};
+#endif
+
+
+/****************************************************************************
+ * Private Functions
+ ****************************************************************************/
+
+#if defined(CONFIG_PROGMEM_OTA_PARTITION)
+
+/****************************************************************************
+ * Name: sam_progmem_alloc_mtdpart
+ *
+ * Description:
+ * Allocate an MTD partition from FLASH.
+ *
+ * Input Parameters:
+ * mtd_offset - MTD Partition offset from the base address in FLASH.
+ * mtd_size - Size for the MTD partition.
+ *
+ * Returned Value:
+ * MTD partition data pointer on success, NULL on failure.
+ *
+ ****************************************************************************/
+
+static struct mtd_dev_s *progmem_alloc_mtdpart(uint32_t mtd_offset,
+ uint32_t mtd_size)
+{
+ uint32_t blocks;
+ ssize_t startblock;
+
+ //ASSERT((mtd_offset + mtd_size) <= up_progmem_neraseblocks() *
+ // up_progmem_pagesize(0));
+ ASSERT((mtd_offset % up_progmem_pagesize(0)) == 0);
+ ASSERT((mtd_size % up_progmem_pagesize(0)) == 0);
+
+ finfo("\tMTD offset = 0x%"PRIx32"\n", mtd_offset);
+ finfo("\tMTD size = 0x%"PRIx32"\n", mtd_size);
+
+ startblock = up_progmem_getpage(mtd_offset + up_progmem_getaddress(0));
+ if (startblock < 0)
+ {
+ return NULL;
+ }
+
+ blocks = mtd_size / up_progmem_pagesize(0);
+
+ return mtd_partition(g_progmem_mtd, startblock, blocks);
+}
+
+/****************************************************************************
+ * Name: init_ota_partitions
+ *
+ * Description:
+ * Initialize partitions that are dedicated to firmware OTA update.
+ *
+ * Input Parameters:
+ * None.
+ *
+ * Returned Value:
+ * Zero on success; a negated errno value on failure.
+ *
+ ****************************************************************************/
+
+static int init_ota_partitions(void)
+{
+ FAR struct mtd_dev_s *mtd;
+#ifdef CONFIG_BCH
+ char blockdev[18];
+#endif
+ int ret = OK;
+
+ for (uint i = 0; i < ARRAYSIZE(g_ota_partition_table); ++i)
+ {
+ const struct ota_partition_s *part = &g_ota_partition_table[i];
+ mtd = progmem_alloc_mtdpart(part->offset, part->size);
+
+ ret = ftl_initialize(i, mtd);
+ if (ret < 0)
+ {
+ ferr("ERROR: Failed to initialize the FTL layer: %d\n", ret);
+ return ret;
+ }
+
+#ifdef CONFIG_BCH
+ snprintf(blockdev, 18, "/dev/mtdblock%d", i);
+
+ ret = bchdev_register(blockdev, part->devpath, false);
+ if (ret < 0)
+ {
+ ferr("ERROR: bchdev_register %s failed: %d\n", part->devpath, ret);
+ return ret;
+ }
+#endif
+ }
+
+ return ret;
+}
+#endif
+
+
+/****************************************************************************
+ * Public Functions
+ ****************************************************************************/
+
+/****************************************************************************
+ * Name: stm32_progmem_init
+ *
+ * Description:
+ * Initialize the FLASH and register the MTD device.
+ ****************************************************************************/
+
+int stm32_progmem_init(void)
+{
+ int ret = OK;
+
Review comment:
DOne
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