balena-image-flasher: Added beagleplay support.

Updated the balena-image-flasher and associated dependent recipes to support building a balena-image-flasher image for the beagleplay device. Changelog-entry: Add beagleplay support Signed-off-by: Sidd Gupta <[email protected]>
balena-os · Jun 20, 2024 · 7df302a · 7df302a
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diff --git a/layers/meta-balena-beaglebone/recipes-core/images/balena-image-flasher.bbappend b/layers/meta-balena-beaglebone/recipes-core/images/balena-image-flasher.bbappend
@@ -1,5 +1,7 @@
 include balena-image.inc
 
 BALENA_BOOT_PARTITION_FILES:append:beaglebone = " uEnv.txt_internal:"
+
 IMAGE_INSTALL:append:beaglebone = " bb-org-overlays"
 IMAGE_INSTALL:append:beaglebone-ai64 = " mmc-utils vxd-dec-fw"
+IMAGE_INSTALL:append:beagleplay = " mmc-utils"
diff --git a/...lena-beaglebone/recipes-support/hostapp-update-hooks/files/99-flash-bootloader-beagleplay b/...lena-beaglebone/recipes-support/hostapp-update-hooks/files/99-flash-bootloader-beagleplay
@@ -0,0 +1,31 @@
+#!/bin/sh
+
+#
+# Script used by hostapps updater to flash bootloader onto internal media.
+#
+
+set -o errexit
+
+# The following lines of code are copied from
+# https://openbeagle.org/beagleboard/repos-arm64/-/blob/main/bb-u-boot-beagleplay-debian-12/suite/bookworm/debian/install-emmc.sh?ref_type=heads
+
+if [ -b /dev/mmcblk0 ] ; then
+	#mmc extcsd read /dev/mmcblk0
+	mmc bootpart enable 1 2 /dev/mmcblk0
+	mmc bootbus set single_backward x1 x8 /dev/mmcblk0
+	mmc hwreset enable /dev/mmcblk0 | true
+
+	echo "Clearing eMMC boot0"
+
+	echo '0' >> /sys/class/block/mmcblk0boot0/force_ro
+
+	echo "dd if=/dev/zero of=/dev/mmcblk0boot0 count=32 bs=128k"
+	dd if=/dev/zero of=/dev/mmcblk0boot0 count=32 bs=128k
+
+	echo "dd if=/resin-boot/tiboot3.bin of=/dev/mmcblk0boot0 bs=128k"
+	dd if=/resin-boot/tiboot3.bin of=/dev/mmcblk0boot0 bs=128k
+fi
+
+sync
+
+echo 1 > /sys/block/mmcblk0boot0/force_ro
diff --git a/...meta-balena-beaglebone/recipes-support/hostapp-update-hooks/hostapp-update-hooks.bbappend b/...meta-balena-beaglebone/recipes-support/hostapp-update-hooks/hostapp-update-hooks.bbappend
@@ -2,4 +2,5 @@ FILESEXTRAPATHS:append := ":${THISDIR}/files"
 
 HOSTAPP_HOOKS += "99-resin-uboot"
 
-HOSTAPP_HOOKS:append:beaglebone-ai64 = " 99-flash-bootloader-beaglebone-ai64"
+HOSTAPP_HOOKS:append:beaglebone-ai64 = " 99-flash-bootloader-beaglebone-ai64"
+HOSTAPP_HOOKS:append:beagleplay = " 99-flash-bootloader-beagleplay"
diff --git a/layers/meta-balena-beaglebone/recipes-support/resin-init/resin-init-flasher.bbappend b/layers/meta-balena-beaglebone/recipes-support/resin-init/resin-init-flasher.bbappend
@@ -3,9 +3,14 @@ INTERNAL_DEVICE_KERNEL:beaglebone = "mmcblk1"
 # Except on the beaglebone-ai64
 INTERNAL_DEVICE_KERNEL:beaglebone-ai64 = "mmcblk0"
 
+# Because eMMC enumeration on the beagpleplay is different from other Beaglebone devices (?)
+INTERNAL_DEVICE_KERNEL:beagleplay = "mmcblk0"
+
 # the name of the bootloader config file to be written to internal media
 INTERNAL_DEVICE_BOOTLOADER_CONFIG:beaglebone = "uEnv.txt_internal"
+INTERNAL_DEVICE_BOOTLOADER_CONFIG:beagleplay = "uEnv.txt_internal"
 
 # the pathname (relative to /boot/) where the internal bootloader config file should reside in
 # (currently assuming this is on partition 1 of the internal media)
 INTERNAL_DEVICE_BOOTLOADER_CONFIG_PATH:beaglebone = "/uEnv.txt"
+INTERNAL_DEVICE_BOOTLOADER_CONFIG_PATH:beagleplay = "/uEnv.txt"