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fwup.conf
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# Firmware configuration file for the Giant Board
require-fwup-version="1.0.0"
#
# 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, "${NERVES_SDK_VERSION}")
define(NERVES_FW_PLATFORM, "jetson_nano_2g")
define(NERVES_FW_ARCHITECTURE, "aarch64")
define(NERVES_FW_AUTHOR, "Very")
define(NERVES_FW_DEVPATH, "/dev/mmcblk0")
define(NERVES_FW_APPLICATION_PART0_DEVPATH, "/dev/mmcblk0p16") # Linux part number is 1-based
define(NERVES_FW_APPLICATION_PART0_FSTYPE, "f2fs")
define(NERVES_FW_APPLICATION_PART0_TARGET, "/root")
define(NERVES_PROVISIONING, "${NERVES_SYSTEM}/images/fwup_include/provisioning.conf")
# Default paths if not specified via the commandline
define(ROOTFS, "${NERVES_SYSTEM}/images/rootfs.squashfs")
# This configuration file will create an image that
# has an GPT and the following layout:
#
# +----------------------------+
# | GPT |
# +----------------------------+
# | Firmware configuration data|
# | (formatted as uboot env) |
# +----------------------------+
# | p0: Rootfs A/B (squashfs) |
# +----------------------------+
# | p1: TXC |
# | Contains TegraBoot CPU-side binary |
# +----------------------------+
# | p2: RP1 |
# | Contains Bootloader DTB binary |
# +----------------------------+
# | p3: EBT |
# | Contains CBoot, the final |
# | boot stage CPU bootloader |
# | binary that loads the binary |
# | in the kernel partition |
# +----------------------------+
# | p4: WX0 |
# | Contains warm boot binary |
# +----------------------------+
# | p5: BXF |
# | Contains SC7 entry firmware |
# +----------------------------+
# | p6: BXF-DTB |
# | Reserved for future use by |
# | BPMP DTB binary; can't remove |
# +----------------------------+
# | p7: FX |
# | Reserved for fuse bypass; |
# | removeable |
# +----------------------------+
# | p8: TXS |
# | Contains TOS binary |
# +----------------------------+
# | p9: DXB |
# | Contains kernel DTB binary |
# +----------------------------+
# | p10: LNX |
# | Contains U-Boot |
# +----------------------------+
# | p11: EXS |
# | Contains the encrypted keys |
# +----------------------------+
# | p12: BMP |
# | Contains BMP images for |
# | splash screen display |
# | during boot |
# +----------------------------+
# | p13: RP4 |
# | Contains XUSB module’s |
# | firmware file, making XUSB |
# | a true USB 3.0 compliant |
# | host controller. |
# +----------------------------+
# | p14: BOOT A/B |
# | Linux kernel |
# | nerves_initramfs |
# | device tree file |
# +----------------------------+
define(LINUX_BOOT_TYPE, "bc13c2ff-59e6-4262-a352-b275fd6f7172")
define(LINUX_FILESYSTEM_DATA_TYPE, "0fc63daf-8483-4772-8e79-3d69d8477de4")
define(UBOOT_ENV_OFFSET, 1024)
define(UBOOT_ENV_COUNT, 256) # 128 KB
define(BOOT_A_PART_OFFSET, 28672)
define(BOOT_PART_COUNT, 204800)
define-eval(BOOT_B_PART_OFFSET, "${BOOT_A_PART_OFFSET} + ${BOOT_PART_COUNT}")
define(BOOT_PART_UUID, "338efbad-8508-4f3c-bf56-477ba4bee991")
define-eval(ROOTFS_A_PART_OFFSET, "${BOOT_B_PART_OFFSET} + ${BOOT_PART_COUNT}")
define(ROOTFS_PART_COUNT, 2097152)
define-eval(ROOTFS_B_PART_OFFSET, "${ROOTFS_A_PART_OFFSET} + ${ROOTFS_PART_COUNT}")
define(ROOTFS_PART_UUID, "592ca19f-2cf3-427b-831a-c5fb1efecbe8")
define-eval(APP_PART_OFFSET, "${ROOTFS_B_PART_OFFSET} + ${ROOTFS_PART_COUNT}")
define(APP_PART_COUNT, 8388608)
define(APP_PART_UUID, "5db81cc9-3b32-4916-b559-a98943bc2b8b")
define(TBC_PART_OFFSET, 2048)
define(TBC_PART_COUNT, 256)
define(TBC_PART_UUID, "fcc205c8-2f1c-4dcd-bef4-7b209aa15cca")
define(RP1_PART_OFFSET, 4096)
define(RP1_PART_COUNT, 896)
define(RP1_PART_UUID, "5bdef3de-3e50-4ac1-a4f5-b820cd092654")
define(EBT_PART_OFFSET, 6144)
define(EBT_PART_COUNT, 1152)
define(EBT_PART_UUID, "5b108e13-992f-4617-86d1-fa57c1a05402")
define(WB0_PART_OFFSET, 8192)
define(WB0_PART_COUNT, 128)
define(WB0_PART_UUID, "175e21c1-6cdd-40fc-84dd-44baeb78d634")
define(BPF_PART_OFFSET, 10240)
define(BPF_PART_COUNT, 384)
define(BPF_PART_UUID, "b9cc8b3e-2893-4f20-b3ef-768c3361ab21")
define(BPF_DTB_PART_OFFSET, 12288)
define(BPF_DTB_PART_COUNT, 768)
define(BPF_DTB_PART_UUID, "a166053a-693d-4aa7-acf1-d6d7c941e6dc")
define(FX_PART_OFFSET, 14336)
define(FX_PART_COUNT, 128)
define(FX_PART_UUID, "046954bf-03f4-48ab-89c2-7a2ead344f97")
define(TOS_PART_OFFSET, 16384)
define(TOS_PART_COUNT, 896)
define(TOS_PART_UUID, "7d3e441c-5f24-446c-9c83-5817c293ea12")
define(DTB_PART_OFFSET, 18432)
define(DTB_PART_COUNT, 896)
define(DTB_PART_UUID, "71406e07-8a91-4b92-97ef-11468bb5f3fc")
define(LNX_PART_OFFSET, 20480)
define(LNX_PART_COUNT, 1536)
define(LNX_PART_UUID, "9b9b290e-b7f8-4fb0-9d22-15506fd92a93")
define(EKS_PART_OFFSET, 22528)
define(EKS_PART_COUNT, 128)
define(EKS_PART_UUID, "a5d10080-cc75-479f-af17-9bbedaa5994f")
define(BMP_PART_OFFSET, 24576)
define(BMP_PART_COUNT, 160)
define(BMP_PART_UUID, "9b740b99-1841-4f88-a7fd-c4d18ccfe39f")
define(RP4_PART_OFFSET, 26624)
define(RP4_PART_COUNT, 256)
define(RP4_PART_UUID, "6b1dee7c-a59b-4b0d-a54b-0a8577329179")
# 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 = ${NERVES_FW_MISC}
# File resources are listed in the order that they are included in the .fw file
# This is important, since this is the order that they're written on a firmware
# update due to the event driven nature of the update system.
file-resource nvtboot_cpu.bin.encrypt {
host-path = "${NERVES_SYSTEM}/images/nvtboot_cpu.bin.encrypt"
}
file-resource bootloader-tegra210-p3448-0003-p3542-0000.dtb.encrypt {
host-path = "${NERVES_SYSTEM}/images/tegra210-p3448-0003-p3542-0000.dtb.encrypt"
}
file-resource kernel-tegra210-p3448-0003-p3542-0000.dtb.encrypt {
host-path = "${NERVES_SYSTEM}/images/tegra210-p3448-0003-p3542-0000.dtb.encrypt"
}
file-resource tegra210-p3448-0003-p3542-0000.dtb {
host-path = "${NERVES_SYSTEM}/images/tegra210-p3448-0003-p3542-0000.dtb"
}
file-resource cboot.bin.encrypt {
host-path = "${NERVES_SYSTEM}/images/cboot.bin.encrypt"
}
file-resource warmboot.bin.encrypt {
host-path = "${NERVES_SYSTEM}/images/warmboot.bin.encrypt"
}
file-resource sc7entry-firmware.bin.encrypt {
host-path = "${NERVES_SYSTEM}/images/sc7entry-firmware.bin.encrypt"
}
file-resource tos-mon-only.img.encrypt {
host-path = "${NERVES_SYSTEM}/images/tos-mon-only.img.encrypt"
}
file-resource boot.img.encrypt {
host-path = "${NERVES_SYSTEM}/images/boot.img.encrypt"
}
file-resource uboot-env.bin {
host-path = "${NERVES_SYSTEM}/images/uboot-env.bin"
}
file-resource eks.img {
host-path = "${NERVES_SYSTEM}/images/eks.img"
}
file-resource bmp.blob {
host-path = "${NERVES_SYSTEM}/images/bmp.blob"
}
file-resource rp4.blob {
host-path = "${NERVES_SYSTEM}/images/rp4.blob"
}
file-resource nerves_initramfs {
host-path = "${NERVES_SYSTEM}/images/nerves_initramfs.uImage"
}
file-resource Image {
host-path = "${NERVES_SYSTEM}/images/Image"
}
file-resource rootfs.img {
host-path = ${ROOTFS}
# Error out if the rootfs size exceeds the partition size
assert-size-lte = ${ROOTFS_PART_COUNT}
}
gpt gpt-a {
# UUID for the entire disk
guid = b443fbeb-2c93-481b-88b3-0ecb0aeba911
partition 0 {
name = "APP"
block-offset = ${ROOTFS_A_PART_OFFSET}
block-count = ${ROOTFS_PART_COUNT}
type = ${LINUX_FILESYSTEM_DATA_TYPE}
guid = ${ROOTFS_PART_UUID}
}
partition 1 {
name = "TBC"
block-offset = ${TBC_PART_OFFSET}
block-count = ${TBC_PART_COUNT}
type = ${LINUX_FILESYSTEM_DATA_TYPE}
guid = ${TBC_PART_UUID}
}
partition 2 {
name = "RP1"
block-offset = ${RP1_PART_OFFSET}
block-count = ${RP1_PART_COUNT}
type = ${LINUX_FILESYSTEM_DATA_TYPE}
guid = ${RP1_PART_UUID}
}
partition 3 {
name = "EBT"
block-offset = ${EBT_PART_OFFSET}
block-count = ${EBT_PART_COUNT}
type = ${LINUX_FILESYSTEM_DATA_TYPE}
guid = ${EBT_PART_UUID}
}
partition 4 {
name = "WB0"
block-offset = ${WB0_PART_OFFSET}
block-count = ${WB0_PART_COUNT}
type = ${LINUX_FILESYSTEM_DATA_TYPE}
guid = ${WB0_PART_UUID}
}
partition 5 {
name = "BPF"
block-offset = ${BPF_PART_OFFSET}
block-count = ${BPF_PART_COUNT}
type = ${LINUX_FILESYSTEM_DATA_TYPE}
guid = ${BPF_PART_UUID}
}
partition 6 {
name = "BPF-DTB"
block-offset = ${BPF_DTB_PART_OFFSET}
block-count = ${BPF_DTB_PART_COUNT}
type = ${LINUX_FILESYSTEM_DATA_TYPE}
guid = ${BPF_DTB_PART_UUID}
}
partition 7 {
name = "FX"
block-offset = ${FX_PART_OFFSET}
block-count = ${FX_PART_COUNT}
type = ${LINUX_FILESYSTEM_DATA_TYPE}
guid = ${FX_PART_UUID}
}
partition 8 {
name = "TOS"
block-offset = ${TOS_PART_OFFSET}
block-count = ${TOS_PART_COUNT}
type = ${LINUX_FILESYSTEM_DATA_TYPE}
guid = ${TOS_PART_UUID}
}
partition 9 {
name = "DTB"
block-offset = ${DTB_PART_OFFSET}
block-count = ${DTB_PART_COUNT}
type = ${LINUX_FILESYSTEM_DATA_TYPE}
guid = ${DTB_PART_UUID}
}
partition 10 {
name = "LNX"
block-offset = ${LNX_PART_OFFSET}
block-count = ${LNX_PART_COUNT}
type = ${LINUX_FILESYSTEM_DATA_TYPE}
guid = ${LNX_PART_UUID}
}
partition 11 {
name = "EKS"
block-offset = ${EKS_PART_OFFSET}
block-count = ${EKS_PART_COUNT}
type = ${LINUX_FILESYSTEM_DATA_TYPE}
guid = ${EKS_PART_UUID}
}
partition 12 {
name = "BMP"
block-offset = ${BMP_PART_OFFSET}
block-count = ${BMP_PART_COUNT}
type = ${LINUX_FILESYSTEM_DATA_TYPE}
guid = ${BMP_PART_UUID}
}
partition 13 {
name = "RP4"
block-offset = ${RP4_PART_OFFSET}
block-count = ${RP4_PART_COUNT}
type = ${LINUX_FILESYSTEM_DATA_TYPE}
guid = ${RP4_PART_UUID}
}
partition 14 {
name = "BOOT-A"
block-offset = ${BOOT_A_PART_OFFSET}
block-count = ${BOOT_PART_COUNT}
type = ${LINUX_BOOT_TYPE}
guid = ${BOOT_PART_UUID}
}
partition 15 {
name = "Application Data Partition"
block-offset = ${APP_PART_OFFSET}
block-count = ${APP_PART_COUNT}
type = ${LINUX_BOOT_TYPE}
guid = ${APP_PART_UUID}
expand = true
}
}
gpt gpt-b {
# UUID for the entire disk
guid = b443fbeb-2c93-481b-88b3-0ecb0aeba911
partition 0 {
name = "APP"
block-offset = ${ROOTFS_B_PART_OFFSET}
block-count = ${ROOTFS_PART_COUNT}
type = ${LINUX_FILESYSTEM_DATA_TYPE}
guid = ${ROOTFS_PART_UUID}
}
partition 1 {
name = "TBC"
block-offset = ${TBC_PART_OFFSET}
block-count = ${TBC_PART_COUNT}
type = ${LINUX_FILESYSTEM_DATA_TYPE}
guid = ${TBC_PART_UUID}
}
partition 2 {
name = "RP1"
block-offset = ${RP1_PART_OFFSET}
block-count = ${RP1_PART_COUNT}
type = ${LINUX_FILESYSTEM_DATA_TYPE}
guid = ${RP1_PART_UUID}
}
partition 3 {
name = "EBT"
block-offset = ${EBT_PART_OFFSET}
block-count = ${EBT_PART_COUNT}
type = ${LINUX_FILESYSTEM_DATA_TYPE}
guid = ${EBT_PART_UUID}
}
partition 4 {
name = "WB0"
block-offset = ${WB0_PART_OFFSET}
block-count = ${WB0_PART_COUNT}
type = ${LINUX_FILESYSTEM_DATA_TYPE}
guid = ${WB0_PART_UUID}
}
partition 5 {
name = "BPF"
block-offset = ${BPF_PART_OFFSET}
block-count = ${BPF_PART_COUNT}
type = ${LINUX_FILESYSTEM_DATA_TYPE}
guid = ${BPF_PART_UUID}
}
partition 6 {
name = "BPF-DTB"
block-offset = ${BPF_DTB_PART_OFFSET}
block-count = ${BPF_DTB_PART_COUNT}
type = ${LINUX_FILESYSTEM_DATA_TYPE}
guid = ${BPF_DTB_PART_UUID}
}
partition 7 {
name = "FX"
block-offset = ${FX_PART_OFFSET}
block-count = ${FX_PART_COUNT}
type = ${LINUX_FILESYSTEM_DATA_TYPE}
guid = ${FX_PART_UUID}
}
partition 8 {
name = "TOS"
block-offset = ${TOS_PART_OFFSET}
block-count = ${TOS_PART_COUNT}
type = ${LINUX_FILESYSTEM_DATA_TYPE}
guid = ${TOS_PART_UUID}
}
partition 9 {
name = "DTB"
block-offset = ${DTB_PART_OFFSET}
block-count = ${DTB_PART_COUNT}
type = ${LINUX_FILESYSTEM_DATA_TYPE}
guid = ${DTB_PART_UUID}
}
partition 10 {
name = "LNX"
block-offset = ${LNX_PART_OFFSET}
block-count = ${LNX_PART_COUNT}
type = ${LINUX_FILESYSTEM_DATA_TYPE}
guid = ${LNX_PART_UUID}
}
partition 11 {
name = "EKS"
block-offset = ${EKS_PART_OFFSET}
block-count = ${EKS_PART_COUNT}
type = ${LINUX_FILESYSTEM_DATA_TYPE}
guid = ${EKS_PART_UUID}
}
partition 12 {
name = "BMP"
block-offset = ${BMP_PART_OFFSET}
block-count = ${BMP_PART_COUNT}
type = ${LINUX_FILESYSTEM_DATA_TYPE}
guid = ${BMP_PART_UUID}
}
partition 13 {
name = "RP4"
block-offset = ${RP4_PART_OFFSET}
block-count = ${RP4_PART_COUNT}
type = ${LINUX_FILESYSTEM_DATA_TYPE}
guid = ${RP4_PART_UUID}
}
partition 14 {
name = "BOOT-B"
block-offset = ${BOOT_B_PART_OFFSET}
block-count = ${BOOT_PART_COUNT}
type = ${LINUX_BOOT_TYPE}
guid = ${BOOT_PART_UUID}
}
partition 15 {
name = "Application Data Partition"
block-offset = ${APP_PART_OFFSET}
block-count = ${APP_PART_COUNT}
type = ${LINUX_BOOT_TYPE}
guid = ${APP_PART_UUID}
expand = true
}
}
# 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 = ${UBOOT_ENV_COUNT}
}
# This firmware task writes everything to the destination media
task complete {
# Only match if not mounted
require-unmounted-destination = true
on-init {
gpt_write(gpt-a)
fat_mkfs(${BOOT_A_PART_OFFSET}, ${BOOT_PART_COUNT})
fat_setlabel(${BOOT_A_PART_OFFSET}, "BOOT-A")
}
on-resource uboot-env.bin {
# Boot to the A partition first and don't fail back.
# If this fails, we bricked the board with no recovery.
raw_write(${UBOOT_ENV_OFFSET})
# Include provisioning instructions
include("${NERVES_PROVISIONING}")
# Add in the generic Nerves metadata variables.
uboot_setenv(uboot-env, "nerves_fw_active", "a")
uboot_setenv(uboot-env, "nerves_fw_validated", "1")
uboot_setenv(uboot-env, "nerves_fw_booted", "0")
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", ${NERVES_FW_MISC})
uboot_setenv(uboot-env, "a.nerves_fw_uuid", "\${FWUP_META_UUID}")
}
on-resource nvtboot_cpu.bin.encrypt {raw_write(${TBC_PART_OFFSET})}
on-resource bootloader-tegra210-p3448-0003-p3542-0000.dtb.encrypt {
raw_write(${RP1_PART_OFFSET})
}
on-resource kernel-tegra210-p3448-0003-p3542-0000.dtb.encrypt {
raw_write(${DTB_PART_OFFSET})
}
on-resource cboot.bin.encrypt {raw_write(${EBT_PART_OFFSET})}
on-resource warmboot.bin.encrypt {raw_write(${WB0_PART_OFFSET})}
on-resource sc7entry-firmware.bin.encrypt {raw_write(${BPF_PART_OFFSET})}
on-resource tos-mon-only.img.encrypt {raw_write(${TOS_PART_OFFSET})}
on-resource boot.img.encrypt {raw_write(${LNX_PART_OFFSET})}
on-resource eks.img {raw_write(${EKS_PART_OFFSET})}
on-resource bmp.blob {raw_write(${BMP_PART_OFFSET})}
on-resource rp4.blob {raw_write(${RP4_PART_OFFSET})}
on-resource nerves_initramfs { fat_write(${BOOT_A_PART_OFFSET}, "nerves_initramfs") }
on-resource Image {fat_write(${BOOT_A_PART_OFFSET}, "Image")}
on-resource tegra210-p3448-0003-p3542-0000.dtb {fat_write(${BOOT_A_PART_OFFSET}, "tegra210-p3448-0003-p3542-0000.dtb")}
on-resource rootfs.img {
# write to the first rootfs partition
raw_write(${ROOTFS_A_PART_OFFSET})
}
}
task upgrade.a {
# This task upgrades the A partition, so make sure we're running
# on B.
require-uboot-variable(uboot-env, "nerves_fw_active", "b")
# Require that the running version of firmware has been validated.
# If it has not, then failing back is not guaranteed to work.
require-uboot-variable(uboot-env, "nerves_fw_validated", "1")
# 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")
# Indicate that the entire partition can be cleared
trim(${BOOT_A_PART_OFFSET}, ${BOOT_PART_COUNT})
trim(${ROOTFS_A_PART_OFFSET}, ${ROOTFS_PART_COUNT})
# Reset the previous contents of the A boot partition
fat_mkfs(${BOOT_A_PART_OFFSET}, ${BOOT_PART_COUNT})
fat_setlabel(${BOOT_A_PART_OFFSET}, "BOOT-A")
}
on-resource nerves_initramfs { fat_write(${BOOT_A_PART_OFFSET}, "nerves_initramfs") }
on-resource Image {fat_write(${BOOT_A_PART_OFFSET}, "Image")}
on-resource tegra210-p3448-0003-p3542-0000.dtb {fat_write(${BOOT_A_PART_OFFSET}, "tegra210-p3448-0003-p3542-0000.dtb")}
on-resource rootfs.img {
# write to the first rootfs partition
raw_write(${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", ${NERVES_FW_MISC})
uboot_setenv(uboot-env, "a.nerves_fw_uuid", "\${FWUP_META_UUID}")
# Reset the validation status and boot to A
# next time.
uboot_setenv(uboot-env, "nerves_fw_active", "a")
uboot_setenv(uboot-env, "nerves_fw_validated", "0")
uboot_setenv(uboot-env, "nerves_fw_booted", "0")
gpt_write(gpt-a)
}
}
task upgrade.b {
# This task upgrades the B partition, so make sure we're running
# on A.
require-uboot-variable(uboot-env, "nerves_fw_active", "a")
# Require that the running version of firmware has been validated.
# If it has not, then failing back is not guaranteed to work.
require-uboot-variable(uboot-env, "nerves_fw_validated", "1")
# Verify the expected platform/architecture
require-uboot-variable(uboot-env, "a.nerves_fw_platform", "${NERVES_FW_PLATFORM}")
require-uboot-variable(uboot-env, "a.nerves_fw_architecture", "${NERVES_FW_ARCHITECTURE}")
on-init {
info("Upgrading partition B")
# Clear some firmware information just in case this update gets
# interrupted midway.
uboot_unsetenv(uboot-env, "b.nerves_fw_version")
uboot_unsetenv(uboot-env, "b.nerves_fw_platform")
uboot_unsetenv(uboot-env, "b.nerves_fw_architecture")
uboot_unsetenv(uboot-env, "b.nerves_fw_uuid")
# Indicate that the entire partition can be cleared
trim(${BOOT_B_PART_OFFSET}, ${BOOT_PART_COUNT})
trim(${ROOTFS_B_PART_OFFSET}, ${ROOTFS_PART_COUNT})
# Reset the previous contents of the A boot partition
fat_mkfs(${BOOT_B_PART_OFFSET}, ${BOOT_PART_COUNT})
fat_setlabel(${BOOT_B_PART_OFFSET}, "BOOT-A")
}
on-resource nerves_initramfs { fat_write(${BOOT_B_PART_OFFSET}, "nerves_initramfs") }
on-resource Image {fat_write(${BOOT_B_PART_OFFSET}, "Image")}
on-resource tegra210-p3448-0003-p3542-0000.dtb {fat_write(${BOOT_B_PART_OFFSET}, "tegra210-p3448-0003-p3542-0000.dtb")}
on-resource rootfs.img {
# write to the first rootfs partition
raw_write(${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", ${NERVES_FW_MISC})
uboot_setenv(uboot-env, "b.nerves_fw_uuid", "\${FWUP_META_UUID}")
# Reset the validation status and boot to B next time.
uboot_setenv(uboot-env, "nerves_fw_active", "b")
uboot_setenv(uboot-env, "nerves_fw_validated", "0")
uboot_setenv(uboot-env, "nerves_fw_booted", "0")
gpt_write(gpt-b)
}
}
task upgrade.unvalidated {
require-uboot-variable(uboot-env, "nerves_fw_validated", "0")
on-init {
error("Please validate the running firmware before upgrading it again.")
}
}
task upgrade.wrong {
require-uboot-variable(uboot-env, "a.nerves_fw_platform", "${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}")
}
}