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fwup.conf
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fwup.conf
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# Firmware configuration file for the ODYSSEY - STM32MP157C
require-fwup-version="1.7.0" # For `boot` option of gpt
#
# Firmware metadata
#
# All of these can be overriden using environment variables of the same name.
#
# Run 'fwup -m' to query values in a .fw file.
# Use 'fw_printenv' to query values on the target.
#
# These are used by Nerves libraries to introspect.
define(NERVES_FW_PRODUCT, "Nerves Firmware")
define(NERVES_FW_DESCRIPTION, "")
define(NERVES_FW_VERSION, "${NERVES_SDK_VERSION}")
define(NERVES_FW_PLATFORM, "stm32mp157c_odyssey")
define(NERVES_FW_ARCHITECTURE, "arm")
define(NERVES_FW_AUTHOR, "5G & Beyond with Elixir")
define(NERVES_FW_DEVPATH, "/dev/mmcblk0")
define(NERVES_FW_APPLICATION_PART0_DEVPATH, "/dev/mmcblk0p6") # Linux part number is 1-based
define(NERVES_FW_APPLICATION_PART0_FSTYPE, "f2fs")
define(NERVES_FW_APPLICATION_PART0_TARGET, "/root")
define(NERVES_PROVISIONING, "${NERVES_SYSTEM}/images/fwup_include/provisioning.conf")
# Default paths if not specified via the commandline
define(ROOTFS, "${NERVES_SYSTEM}/images/rootfs.squashfs")
define(UNAME_R, "5.10.83-armv7-lpae-x58")
# This configuration file will create an image that has an MBR and the
# following layout:
#
# +--------------------------+
# | MBR LBA 0 |
# +--------------------------+
# | GPT header LBA 1 |
# | GPT entries LBA 2-33 |
# +--------------------------+
# | Firmware configuration |
# | (formatted as uboot env) |
# +--------------------------+
# | p0: FSBL 1 |
# | for u-boot-spl.stm32 |
# +--------------------------+
# | p1: FSBL 2 |
# | for u-boot-spl.stm32 |
# +--------------------------+
# | p2: SSBL for u-boot.img |
# +--------------------------+
# | p3*: BOOT A (FAT16) |
# | vmlinuz |
# | uEnv.txt |
# | *.dtb |
# +--------------------------+
# | p3*: BOOT B (FAT16) |
# +--------------------------+
# | p4*: Rootfs A (squashfs) |
# +--------------------------+
# | p4*: Rootfs B (squashfs) |
# +--------------------------+
# | p5: Application (f2fs) |
# +--------------------------+
define(GPT_PART_START_OFFSET, 34)
define(UBOOT_ENV_OFFSET, ${GPT_PART_START_OFFSET})
define(UBOOT_ENV_COUNT, 16) # 16 * 512 / 1024 = 8 KiB
# The First Stage Boot Loader 1
define-eval(FSBL1_PART_OFFSET, "${UBOOT_ENV_OFFSET} + ${UBOOT_ENV_COUNT}")
define(FSBL1_PART_COUNT, 512) # 512 * 512 / 1024 = 256 KiB
# The First Stage Boot Loader 2
define-eval(FSBL2_PART_OFFSET, "${FSBL1_PART_OFFSET} + ${FSBL1_PART_COUNT}")
define(FSBL2_PART_COUNT, ${FSBL1_PART_COUNT}) # same size as FSBL 1
# The Second Stage Boot Loader 2
define-eval(SSBL_PART_OFFSET, "${FSBL2_PART_OFFSET} + ${FSBL2_PART_COUNT}")
define(SSBL_PART_COUNT, 4096) # 4096 * 512 / 1024 / 1024 = 2 MiB
# The boot partition has room for a kernel, a uEnv.txt, and a dtb.
define-eval(BOOT_A_PART_OFFSET, "${SSBL_PART_OFFSET} + ${SSBL_PART_COUNT}")
define(BOOT_A_PART_COUNT, 131072) # 131072 * 512 / 1024 / 1024 = 64 MiB
define-eval(BOOT_B_PART_OFFSET, "${BOOT_A_PART_OFFSET} + ${BOOT_A_PART_COUNT}")
define(BOOT_B_PART_COUNT, ${BOOT_A_PART_COUNT}) # same size as BOOT A
# Let the rootfs have room to grow up to 128 MiB (256K 512-byte blocks)
define-eval(ROOTFS_A_PART_OFFSET, "${BOOT_B_PART_OFFSET} + ${BOOT_B_PART_COUNT}")
define(ROOTFS_A_PART_COUNT, 262144) # 262144 * 512 / 1024 / 1024 = 128 MiB
define-eval(ROOTFS_B_PART_OFFSET, "${ROOTFS_A_PART_OFFSET} + ${ROOTFS_A_PART_COUNT}")
define(ROOTFS_B_PART_COUNT, ${ROOTFS_A_PART_COUNT}) # same size as ROOTFS A
# Application partition. This partition can occupy all of the remaining space.
# Size it to fit the destination.
define-eval(APP_PART_OFFSET, "${ROOTFS_B_PART_OFFSET} + ${ROOTFS_B_PART_COUNT}")
define(APP_PART_COUNT, 1048576)
# Firmware archive metadata
meta-product = ${NERVES_FW_PRODUCT}
meta-description = ${NERVES_FW_DESCRIPTION}
meta-version = ${NERVES_FW_VERSION}
meta-platform = ${NERVES_FW_PLATFORM}
meta-architecture = ${NERVES_FW_ARCHITECTURE}
meta-author = ${NERVES_FW_AUTHOR}
meta-vcs-identifier = ${NERVES_FW_VCS_IDENTIFIER}
meta-misc = ${NERVES_FW_MISC}
# File resources are listed in the order that they are included in the .fw file
# This is important, since this is the order that they're written on a firmware
# update due to the event driven nature of the update system.
file-resource u-boot-spl.stm32.fsbl1 {
host-path = "${NERVES_SYSTEM}/images/u-boot-spl.stm32"
}
file-resource u-boot-spl.stm32.fsbl2 {
host-path = "${NERVES_SYSTEM}/images/u-boot-spl.stm32"
}
file-resource u-boot.img {
host-path = "${NERVES_SYSTEM}/images/u-boot.img"
}
file-resource uEnv.txt {
host-path = "${NERVES_SYSTEM}/images/uEnv.txt"
}
file-resource zImage {
host-path = "${NERVES_SYSTEM}/images/zImage"
}
file-resource stm32mp157c-seeed-npi.dtb {
host-path = "${NERVES_SYSTEM}/images/stm32mp157c-seeed-npi.dtb"
}
file-resource stm32mp1-seeed-ap6236-overlay.dtb {
host-path = "${NERVES_SYSTEM}/images/stm32mp1-seeed-ap6236-overlay.dtb"
}
file-resource stm32mp1-seeed-spi5-overlay.dtb {
host-path = "${NERVES_SYSTEM}/images/stm32mp1-seeed-spi5-overlay.dtb"
}
file-resource stm32mp1-seeed-usart2-overlay.dtb {
host-path = "${NERVES_SYSTEM}/images/stm32mp1-seeed-usart2-overlay.dtb"
}
file-resource stm32mp1-seeed-i2c4-overlay.dtb {
host-path = "${NERVES_SYSTEM}/images/stm32mp1-seeed-i2c4-overlay.dtb"
}
file-resource rootfs.img {
host-path = ${ROOTFS}
# Error out if the rootfs size exceeds the partition size
assert-size-lte = ${ROOTFS_A_PART_COUNT}
}
# gpt definitions
define(ENTIRE_DISK_UUID, "691f1be3-ec37-4dd2-b695-fe9901a93d63") # generated by uuidgen
define(LINUX_FS_UUID, "0fc63daf-8483-4772-8e79-3d69d8477de4")
define(PART_0_UUID, "9ecd363c-6af5-4648-b975-5b4cebef0f68") # generated by uuidgen
define(PART_1_UUID, "f13c7240-fcdc-4b84-aecc-fd57dc6c27ed") # generated by uuidgen
define(PART_2_UUID, "3b122046-ac67-4174-8ee8-0d2e9842fad4") # generated by uuidgen
define(PART_3_UUID, "bfc7baa5-8afb-4220-b03d-88d378e16e77") # generated by uuidgen
define(PART_4_UUID, "5c58aef9-cc84-4d5e-a11f-4d18571ee5bb") # generated by uuidgen
define(PART_5_UUID, "e0a92ca3-86d3-44bb-8237-a7aea464b8c9") # generated by uuidgen
define(PART_0_NAME, "fsbl1")
define(PART_1_NAME, "fsbl2")
define(PART_2_NAME, "ssbl")
define(PART_3_NAME, "boot")
define(PART_4_NAME, "rootfs")
define(PART_5_NAME, "app")
gpt gpt-a {
guid = ${ENTIRE_DISK_UUID}
partition 0 {
block-offset = ${FSBL1_PART_OFFSET}
block-count = ${FSBL1_PART_COUNT}
type = ${LINUX_FS_UUID}
guid = ${PART_0_UUID}
name = ${PART_0_NAME}
}
partition 1 {
block-offset = ${FSBL2_PART_OFFSET}
block-count = ${FSBL2_PART_COUNT}
type = ${LINUX_FS_UUID}
guid = ${PART_1_UUID}
name = ${PART_1_NAME}
}
partition 2 {
block-offset = ${SSBL_PART_OFFSET}
block-count = ${SSBL_PART_COUNT}
type = ${LINUX_FS_UUID}
guid = ${PART_2_UUID}
name = ${PART_2_NAME}
}
partition 3 {
block-offset = ${BOOT_A_PART_OFFSET}
block-count = ${BOOT_A_PART_COUNT}
type = ${LINUX_FS_UUID}
guid = ${PART_3_UUID}
name = ${PART_3_NAME}
boot = true
}
partition 4 {
block-offset = ${ROOTFS_A_PART_OFFSET}
block-count = ${ROOTFS_A_PART_COUNT}
type = ${LINUX_FS_UUID}
guid = ${PART_4_UUID}
name = ${PART_4_NAME}
}
partition 5 {
block-offset = ${APP_PART_OFFSET}
block-count = ${APP_PART_COUNT}
type = ${LINUX_FS_UUID}
guid = ${PART_5_UUID}
name = ${PART_5_NAME}
}
}
gpt gpt-b {
guid = ${ENTIRE_DISK_UUID}
partition 0 {
block-offset = ${FSBL1_PART_OFFSET}
block-count = ${FSBL1_PART_COUNT}
type = ${LINUX_FS_UUID}
guid = ${PART_0_UUID}
name = ${PART_0_NAME}
}
partition 1 {
block-offset = ${FSBL2_PART_OFFSET}
block-count = ${FSBL2_PART_COUNT}
type = ${LINUX_FS_UUID}
guid = ${PART_1_UUID}
name = ${PART_1_NAME}
}
partition 2 {
block-offset = ${SSBL_PART_OFFSET}
block-count = ${SSBL_PART_COUNT}
type = ${LINUX_FS_UUID}
guid = ${PART_2_UUID}
name = ${PART_2_NAME}
}
partition 3 {
block-offset = ${BOOT_B_PART_OFFSET}
block-count = ${BOOT_B_PART_COUNT}
type = ${LINUX_FS_UUID}
guid = ${PART_3_UUID}
name = ${PART_3_NAME}
boot = true
}
partition 4 {
block-offset = ${ROOTFS_B_PART_OFFSET}
block-count = ${ROOTFS_B_PART_COUNT}
type = ${LINUX_FS_UUID}
guid = ${PART_4_UUID}
name = ${PART_4_NAME}
}
partition 5 {
block-offset = ${APP_PART_OFFSET}
block-count = ${APP_PART_COUNT}
type = ${LINUX_FS_UUID}
guid = ${PART_5_UUID}
name = ${PART_5_NAME}
}
}
# Location where installed firmware information is stored.
# While this is called "u-boot", u-boot isn't involved in this
# setup. It just provides a convenient key/value store format.
uboot-environment uboot-env {
block-offset = ${UBOOT_ENV_OFFSET}
block-count = ${UBOOT_ENV_COUNT}
}
# This firmware task writes everything to the destination media.
# This should only be run at the factory to initialize a board!
task complete {
# Only match if not mounted
require-unmounted-destination = true
on-init {
gpt_write(gpt-a)
fat_mkfs(${BOOT_A_PART_OFFSET}, ${BOOT_A_PART_COUNT})
fat_setlabel(${BOOT_A_PART_OFFSET}, "BOOT-A")
fat_mkdir(${BOOT_A_PART_OFFSET}, "dtbs")
fat_mkdir(${BOOT_A_PART_OFFSET}, "dtbs/${UNAME_R}")
uboot_clearenv(uboot-env)
include("${NERVES_PROVISIONING}")
uboot_setenv(uboot-env, "nerves_fw_active", "a")
uboot_setenv(uboot-env, "nerves_fw_devpath", ${NERVES_FW_DEVPATH})
uboot_setenv(uboot-env, "a.nerves_fw_application_part0_devpath", ${NERVES_FW_APPLICATION_PART0_DEVPATH})
uboot_setenv(uboot-env, "a.nerves_fw_application_part0_fstype", ${NERVES_FW_APPLICATION_PART0_FSTYPE})
uboot_setenv(uboot-env, "a.nerves_fw_application_part0_target", ${NERVES_FW_APPLICATION_PART0_TARGET})
uboot_setenv(uboot-env, "a.nerves_fw_product", ${NERVES_FW_PRODUCT})
uboot_setenv(uboot-env, "a.nerves_fw_description", ${NERVES_FW_DESCRIPTION})
uboot_setenv(uboot-env, "a.nerves_fw_version", ${NERVES_FW_VERSION})
uboot_setenv(uboot-env, "a.nerves_fw_platform", ${NERVES_FW_PLATFORM})
uboot_setenv(uboot-env, "a.nerves_fw_architecture", ${NERVES_FW_ARCHITECTURE})
uboot_setenv(uboot-env, "a.nerves_fw_author", ${NERVES_FW_AUTHOR})
uboot_setenv(uboot-env, "a.nerves_fw_vcs_identifier", ${NERVES_FW_VCS_IDENTIFIER})
uboot_setenv(uboot-env, "a.nerves_fw_misc", ${NERVES_FW_MISC})
uboot_setenv(uboot-env, "a.nerves_fw_uuid", "\${FWUP_META_UUID}")
}
on-resource u-boot-spl.stm32.fsbl1 { raw_write(${FSBL1_PART_OFFSET}) }
on-resource u-boot-spl.stm32.fsbl2 { raw_write(${FSBL2_PART_OFFSET}) }
on-resource u-boot.img { raw_write(${SSBL_PART_OFFSET}) }
on-resource uEnv.txt { fat_write(${BOOT_A_PART_OFFSET}, "uEnv.txt") }
on-resource zImage { fat_write(${BOOT_A_PART_OFFSET}, "vmlinuz-${UNAME_R}") }
on-resource stm32mp157c-seeed-npi.dtb { fat_write(${BOOT_A_PART_OFFSET}, "dtbs/${UNAME_R}/stm32mp157c-seeed-npi.dtb") }
on-resource stm32mp1-seeed-ap6236-overlay.dtb { fat_write(${BOOT_A_PART_OFFSET}, "dtbs/${UNAME_R}/stm32mp1-seeed-ap6236-overlay.dtb") }
on-resource stm32mp1-seeed-spi5-overlay.dtb { fat_write(${BOOT_A_PART_OFFSET}, "dtbs/${UNAME_R}/stm32mp1-seeed-spi5-overlay.dtb") }
on-resource stm32mp1-seeed-usart2-overlay.dtb { fat_write(${BOOT_A_PART_OFFSET}, "dtbs/${UNAME_R}/stm32mp1-seeed-usart2-overlay.dtb") }
on-resource stm32mp1-seeed-i2c4-overlay.dtb { fat_write(${BOOT_A_PART_OFFSET}, "dtbs/${UNAME_R}/stm32mp1-seeed-i2c4-overlay.dtb") }
on-resource rootfs.img {
# write to the first rootfs partition
raw_write(${ROOTFS_A_PART_OFFSET})
}
on-finish {
# Clear out any old data in the B partition that might be mistaken for
# a file system. This is mostly to avoid confusion in humans when
# reprogramming SDCards with unknown contents.
raw_memset(${BOOT_B_PART_OFFSET}, 256, 0xff)
raw_memset(${ROOTFS_B_PART_OFFSET}, 256, 0xff)
# Invalidate the application data partition so that it is guaranteed to
# trigger the corrupt filesystem detection code on first boot and get
# formatted. If this isn't done and an old SDCard is reused, the
# application data could be in a weird state.
raw_memset(${APP_PART_OFFSET}, 256, 0xff)
}
}
task upgrade.a {
# This task upgrades the A partition
# require-partition-offset(4, ${ROOTFS_B_PART_OFFSET}) # not supported for gpt
require-uboot-variable(uboot-env, "nerves_fw_active", "b")
# Verify the expected platform/architecture
require-uboot-variable(uboot-env, "b.nerves_fw_platform", "${NERVES_FW_PLATFORM}")
require-uboot-variable(uboot-env, "b.nerves_fw_architecture", "${NERVES_FW_ARCHITECTURE}")
on-init {
info("Upgrading partition A")
# Clear some firmware information just in case this update gets
# interrupted midway. If this partition was bootable, it's not going to
# be soon.
uboot_unsetenv(uboot-env, "a.nerves_fw_version")
uboot_unsetenv(uboot-env, "a.nerves_fw_platform")
uboot_unsetenv(uboot-env, "a.nerves_fw_architecture")
uboot_unsetenv(uboot-env, "a.nerves_fw_uuid")
# Reset the previous contents of the A boot partition
fat_mkfs(${BOOT_A_PART_OFFSET}, ${BOOT_A_PART_COUNT})
fat_setlabel(${BOOT_A_PART_OFFSET}, "BOOT-A")
fat_mkdir(${BOOT_A_PART_OFFSET}, "dtbs")
fat_mkdir(${BOOT_A_PART_OFFSET}, "dtbs/${UNAME_R}")
# Indicate that the entire partition can be cleared
trim(${ROOTFS_A_PART_OFFSET}, ${ROOTFS_A_PART_COUNT})
}
# Write the new boot partition files and rootfs. The MBR still points
# to the B partition, so an error or power failure during this part
# won't hurt anything.
on-resource u-boot-spl.stm32.fsbl1 { raw_write(${FSBL1_PART_OFFSET}) }
on-resource u-boot-spl.stm32.fsbl2 { raw_write(${FSBL2_PART_OFFSET}) }
on-resource u-boot.img { raw_write(${SSBL_PART_OFFSET}) }
on-resource uEnv.txt { fat_write(${BOOT_A_PART_OFFSET}, "uEnv.txt") }
on-resource zImage { fat_write(${BOOT_A_PART_OFFSET}, "vmlinuz-${UNAME_R}") }
on-resource stm32mp157c-seeed-npi.dtb { fat_write(${BOOT_A_PART_OFFSET}, "dtbs/${UNAME_R}/stm32mp157c-seeed-npi.dtb") }
on-resource stm32mp1-seeed-ap6236-overlay.dtb { fat_write(${BOOT_A_PART_OFFSET}, "dtbs/${UNAME_R}/stm32mp1-seeed-ap6236-overlay.dtb") }
on-resource stm32mp1-seeed-spi5-overlay.dtb { fat_write(${BOOT_A_PART_OFFSET}, "dtbs/${UNAME_R}/stm32mp1-seeed-spi5-overlay.dtb") }
on-resource stm32mp1-seeed-usart2-overlay.dtb { fat_write(${BOOT_A_PART_OFFSET}, "dtbs/${UNAME_R}/stm32mp1-seeed-usart2-overlay.dtb") }
on-resource stm32mp1-seeed-i2c4-overlay.dtb { fat_write(${BOOT_A_PART_OFFSET}, "dtbs/${UNAME_R}/stm32mp1-seeed-i2c4-overlay.dtb") }
on-resource rootfs.img {
delta-source-raw-offset=${ROOTFS_B_PART_OFFSET}
delta-source-raw-count=${ROOTFS_B_PART_COUNT}
raw_write(${ROOTFS_A_PART_OFFSET})
}
on-finish {
# Update firmware metadata
uboot_setenv(uboot-env, "a.nerves_fw_application_part0_devpath", ${NERVES_FW_APPLICATION_PART0_DEVPATH})
uboot_setenv(uboot-env, "a.nerves_fw_application_part0_fstype", ${NERVES_FW_APPLICATION_PART0_FSTYPE})
uboot_setenv(uboot-env, "a.nerves_fw_application_part0_target", ${NERVES_FW_APPLICATION_PART0_TARGET})
uboot_setenv(uboot-env, "a.nerves_fw_product", ${NERVES_FW_PRODUCT})
uboot_setenv(uboot-env, "a.nerves_fw_description", ${NERVES_FW_DESCRIPTION})
uboot_setenv(uboot-env, "a.nerves_fw_version", ${NERVES_FW_VERSION})
uboot_setenv(uboot-env, "a.nerves_fw_platform", ${NERVES_FW_PLATFORM})
uboot_setenv(uboot-env, "a.nerves_fw_architecture", ${NERVES_FW_ARCHITECTURE})
uboot_setenv(uboot-env, "a.nerves_fw_author", ${NERVES_FW_AUTHOR})
uboot_setenv(uboot-env, "a.nerves_fw_vcs_identifier", ${NERVES_FW_VCS_IDENTIFIER})
uboot_setenv(uboot-env, "a.nerves_fw_misc", ${NERVES_FW_MISC})
uboot_setenv(uboot-env, "a.nerves_fw_uuid", "\${FWUP_META_UUID}")
# Switch over to boot the new firmware
uboot_setenv(uboot-env, "nerves_fw_active", "a")
gpt_write(gpt-a)
}
on-error {
}
}
task upgrade.b {
# This task upgrades the B partition
# require-partition-offset(4, ${ROOTFS_A_PART_OFFSET}) # not supported for gpt
require-uboot-variable(uboot-env, "nerves_fw_active", "a")
# Verify the expected platform/architecture
require-uboot-variable(uboot-env, "a.nerves_fw_platform", "${NERVES_FW_PLATFORM}")
require-uboot-variable(uboot-env, "a.nerves_fw_architecture", "${NERVES_FW_ARCHITECTURE}")
on-init {
info("Upgrading partition B")
# Clear some firmware information just in case this update gets
# interrupted midway.
uboot_unsetenv(uboot-env, "b.nerves_fw_version")
uboot_unsetenv(uboot-env, "b.nerves_fw_platform")
uboot_unsetenv(uboot-env, "b.nerves_fw_architecture")
uboot_unsetenv(uboot-env, "b.nerves_fw_uuid")
# Reset the previous contents of the B boot partition
fat_mkfs(${BOOT_B_PART_OFFSET}, ${BOOT_B_PART_COUNT})
fat_setlabel(${BOOT_B_PART_OFFSET}, "BOOT-B")
fat_mkdir(${BOOT_B_PART_OFFSET}, "dtbs")
fat_mkdir(${BOOT_B_PART_OFFSET}, "dtbs/${UNAME_R}")
# Indicate that the entire partition can be cleared
trim(${ROOTFS_B_PART_OFFSET}, ${ROOTFS_B_PART_COUNT})
}
# Write the new boot partition files and rootfs. The MBR still points
# to the A partition, so an error or power failure during this part
# won't hurt anything.
on-resource u-boot-spl.stm32.fsbl1 { raw_write(${FSBL1_PART_OFFSET}) }
on-resource u-boot-spl.stm32.fsbl2 { raw_write(${FSBL2_PART_OFFSET}) }
on-resource u-boot.img { raw_write(${SSBL_PART_OFFSET}) }
on-resource uEnv.txt { fat_write(${BOOT_B_PART_OFFSET}, "uEnv.txt") }
on-resource zImage { fat_write(${BOOT_B_PART_OFFSET}, "vmlinuz-${UNAME_R}") }
on-resource stm32mp157c-seeed-npi.dtb { fat_write(${BOOT_B_PART_OFFSET}, "dtbs/${UNAME_R}/stm32mp157c-seeed-npi.dtb") }
on-resource stm32mp1-seeed-ap6236-overlay.dtb { fat_write(${BOOT_B_PART_OFFSET}, "dtbs/${UNAME_R}/stm32mp1-seeed-ap6236-overlay.dtb") }
on-resource stm32mp1-seeed-spi5-overlay.dtb { fat_write(${BOOT_B_PART_OFFSET}, "dtbs/${UNAME_R}/stm32mp1-seeed-spi5-overlay.dtb") }
on-resource stm32mp1-seeed-usart2-overlay.dtb { fat_write(${BOOT_B_PART_OFFSET}, "dtbs/${UNAME_R}/stm32mp1-seeed-usart2-overlay.dtb") }
on-resource stm32mp1-seeed-i2c4-overlay.dtb { fat_write(${BOOT_B_PART_OFFSET}, "dtbs/${UNAME_R}/stm32mp1-seeed-i2c4-overlay.dtb") }
on-resource rootfs.img {
delta-source-raw-offset=${ROOTFS_A_PART_OFFSET}
delta-source-raw-count=${ROOTFS_A_PART_COUNT}
raw_write(${ROOTFS_B_PART_OFFSET})
}
on-finish {
# Update firmware metadata
uboot_setenv(uboot-env, "b.nerves_fw_application_part0_devpath", ${NERVES_FW_APPLICATION_PART0_DEVPATH})
uboot_setenv(uboot-env, "b.nerves_fw_application_part0_fstype", ${NERVES_FW_APPLICATION_PART0_FSTYPE})
uboot_setenv(uboot-env, "b.nerves_fw_application_part0_target", ${NERVES_FW_APPLICATION_PART0_TARGET})
uboot_setenv(uboot-env, "b.nerves_fw_product", ${NERVES_FW_PRODUCT})
uboot_setenv(uboot-env, "b.nerves_fw_description", ${NERVES_FW_DESCRIPTION})
uboot_setenv(uboot-env, "b.nerves_fw_version", ${NERVES_FW_VERSION})
uboot_setenv(uboot-env, "b.nerves_fw_platform", ${NERVES_FW_PLATFORM})
uboot_setenv(uboot-env, "b.nerves_fw_architecture", ${NERVES_FW_ARCHITECTURE})
uboot_setenv(uboot-env, "b.nerves_fw_author", ${NERVES_FW_AUTHOR})
uboot_setenv(uboot-env, "b.nerves_fw_vcs_identifier", ${NERVES_FW_VCS_IDENTIFIER})
uboot_setenv(uboot-env, "b.nerves_fw_misc", ${NERVES_FW_MISC})
uboot_setenv(uboot-env, "b.nerves_fw_uuid", "\${FWUP_META_UUID}")
# Switch over to boot the new firmware
uboot_setenv(uboot-env, "nerves_fw_active", "b")
gpt_write(gpt-b)
}
on-error {
}
}
task upgrade.unexpected {
require-uboot-variable(uboot-env, "a.nerves_fw_platform", "${NERVES_FW_PLATFORM}")
require-uboot-variable(uboot-env, "a.nerves_fw_architecture", "${NERVES_FW_ARCHITECTURE}")
on-init {
error("Please check the media being upgraded. It doesn't look like either the A or B partitions are active.")
}
}
task upgrade.wrongplatform {
on-init {
error("Expecting platform=${NERVES_FW_PLATFORM} and architecture=${NERVES_FW_ARCHITECTURE}")
}
}
task provision {
require-uboot-variable(uboot-env, "a.nerves_fw_platform", "${NERVES_FW_PLATFORM}")
require-uboot-variable(uboot-env, "a.nerves_fw_architecture", "${NERVES_FW_ARCHITECTURE}")
on-init {
include("${NERVES_PROVISIONING}")
}
}
task provision.wrongplatform {
on-init {
error("Expecting platform=${NERVES_FW_PLATFORM} and architecture=${NERVES_FW_ARCHITECTURE}")
}
}