3 files changed, 4 insertions, 5 deletions

diff --git a/classes/image_types_ostree.bbclass b/classes/image_types_ostree.bbclass
index 777360f..349d8fb 100644
--- a/classes/image_types_ostree.bbclass
+++ b/classes/image_types_ostree.bbclass
@@ -11,8 +11,7 @@ export OSTREE_REPO
 export OSTREE_BRANCHNAME
 export GARAGE_TARGET_NAME
 
-RAMDISK_EXT ?= ".ext4.gz"
-RAMDISK_EXT_arm ?= ".ext4.gz.u-boot"
+RAMDISK_EXT ?= ".${INITRAMFS_FSTYPES}"
 
 OSTREE_KERNEL ??= "${KERNEL_IMAGETYPE}"
 
diff --git a/classes/image_types_ota.bbclass b/classes/image_types_ota.bbclass
index 17fe4e8..362c1bd 100644
--- a/classes/image_types_ota.bbclass
+++ b/classes/image_types_ota.bbclass
@@ -7,8 +7,6 @@
 # boot scripts, kernel and initramfs images
 #
 
-OSTREE_BOOTLOADER ??= 'u-boot'
-
 do_image_otaimg[depends] += "e2fsprogs-native:do_populate_sysroot \
                         ${@'grub:do_populate_sysroot' if d.getVar('OSTREE_BOOTLOADER', True) == 'grub' else ''} \
                         ${@'virtual/bootloader:do_deploy' if d.getVar('OSTREE_BOOTLOADER', True) == 'u-boot' else ''}"
diff --git a/classes/sota.bbclass b/classes/sota.bbclass
index 1e765f0..7ff4bf1 100644
--- a/classes/sota.bbclass
+++ b/classes/sota.bbclass
@@ -20,13 +20,15 @@ WKS_FILE_sota ?= "sdimage-sota.wks"
 
 EXTRA_IMAGEDEPENDS_append_sota = " parted-native mtools-native dosfstools-native"
 
+INITRAMFS_FSTYPES = "${@oe.utils.ifelse(d.getVar('OSTREE_BOOTLOADER', True) == 'u-boot', 'ext4.gz.u-boot', 'ext4.gz')}"
+
 # Please redefine OSTREE_REPO in order to have a persistent OSTree repo
 OSTREE_REPO ?= "${DEPLOY_DIR_IMAGE}/ostree_repo"
 # For UPTANE operation, OSTREE_BRANCHNAME must start with "${MACHINE}-"
 OSTREE_BRANCHNAME ?= "${MACHINE}"
 OSTREE_OSNAME ?= "poky"
 OSTREE_INITRAMFS_IMAGE ?= "initramfs-ostree-image"
-
+OSTREE_BOOTLOADER ??= 'u-boot'
 
 GARAGE_SIGN_REPO ?= "${DEPLOY_DIR_IMAGE}/garage_sign_repo"
 GARAGE_SIGN_KEYNAME ?= "garage-key"