resin-init/resin-init-flasher-board: Trigger an UEFI capsule update i…

…f QSPI is inaccessible

This allows for flasher images to be booted even if
the device isn't in recovery mode, as long as the
vanilla firmware in the QSPI is in sync with the hostOS
L4T version.

Signed-off-by: Alexandru Costache <alexandru@balena.io>

layers/meta-balena-jetson/recipes-support/resin-init/resin-init-flasher-board/resin-init-flasher-board

@@ -3,11 +3,13 @@
 set -e
 
 . /usr/libexec/os-helpers-logging
+source /usr/libexec/jetson-qspi-helpers
 
 MMC_DEV="mmcblk0"
 MTD_DEV="mtd0"
 FLASHER_CONF_FILE=/etc/resin-init-flasher.conf
 BOOT_BLOB="boot0.img"
+INTERNAL_BOOT_MP="/tmp/internal_boot"
 
 if [ -f ${FLASHER_CONF_FILE} ]; then
     source ${FLASHER_CONF_FILE}
@@ -27,11 +29,12 @@ if [[ -e /dev/${MTD_DEV} ]]; then
 
     log "QSPI is accessible, it will be updated"
     mtd_debug erase /dev/${MTD_DEV} 0x0 0x4000000
-    gunzip -k -c "${BOOT_BLOB_PATH}" | dd of=/tmp/${BOOT_BLOB} bs=1M
+    gunzip -k -f -c "${BOOT_BLOB_PATH}" | dd of=/tmp/${BOOT_BLOB} bs=1M
     mtd_debug write /dev/${MTD_DEV} 0x0 0x4000000 /tmp/${BOOT_BLOB}
     sync
 else
-    log "QSPI is inaccessible, it will not be updated"
+    log "QSPI is inaccessible in the hostOS update hook, will attempt update trough capsule on next boot"
+    try_capsule_update $INTERNAL_BOOT_MP $INTERNAL_BOOT_MP
 fi
 
 # Relocate secondary gpt after writing image to the internal medium