layerscape: add dtb to sysupgrade

At this moment sysupgrade replaces only kernel and rootfs.

This patch add dtb part to sysupgrade images to avoid situation
when old dtb make system broken.

Is possible to sysupgrade older images for NOR devices:
1. Firmware partition in bootargs need to be updated to:
   "49m@0xf00000(firmware)". Env should be saved after changes.
2. After step one, "sysupgrade -F" will work.

Run tested: LS1046A-RDB

Reviewed-by: Yangbo Lu <yangbo.lu@nxp.com>
Signed-off-by: Pawel Dembicki <paweldembicki@gmail.com>
[bump PKG_RELEASE for uboot-layerscape]
Signed-off-by: Adrian Schmutzler <freifunk@adrianschmutzler.de>

5 files changed, 59 insertions, 11 deletions

diff --git a/target/linux/layerscape/base-files/etc/uci-defaults/05_fix-compat-version b/target/linux/layerscape/base-files/etc/uci-defaults/05_fix-compat-version
new file mode 100644
index 0000000000..923f4ac273
--- /dev/null
+++ b/target/linux/layerscape/base-files/etc/uci-defaults/05_fix-compat-version
@@ -0,0 +1,19 @@
+#
+# Copyright (C) 2020 OpenWrt.org
+#
+
+. /lib/functions.sh
+
+case "$(board_name)" in
+	fsl,ls1012a-rdb | \
+	fsl,ls1021a-twr | \
+	fsl,ls1043a-rdb | \
+	fsl,ls1046a-rdb | \
+	fsl,ls1088a-rdb | \
+	fsl,ls2088a-rdb)
+		uci set system.@system[0].compat_version="2.0"
+		uci commit system
+		;;
+esac
+
+exit 0
diff --git a/target/linux/layerscape/base-files/lib/upgrade/platform.sh b/target/linux/layerscape/base-files/lib/upgrade/platform.sh
index fa0f21a6c5..633cbaf953 100644
--- a/target/linux/layerscape/base-files/lib/upgrade/platform.sh
+++ b/target/linux/layerscape/base-files/lib/upgrade/platform.sh
@@ -61,7 +61,7 @@ platform_do_upgrade_sdboot() {
 	if [ -n "$diff" ]; then
 		dd if="$1" of="/dev/$diskdev" bs=1024 count=4 > /dev/null 2>&1
 		echo "Writing image to /dev/$diskdev..."
-		dd if="$1" of="/dev/$diskdev" bs=1024 skip=16384 seek=16384 > /dev/null 2>&1
+		dd if="$1" of="/dev/$diskdev" bs=1024 skip=15360 seek=15360 > /dev/null 2>&1
 		sync
 
 		# Separate removal and addtion is necessary; otherwise, partition 1
@@ -72,6 +72,9 @@ platform_do_upgrade_sdboot() {
 		return 0
 	fi
 
+	# write dtb
+	echo "Writing dtb to /dev/$diskdev..."
+	dd if="$1" of="/dev/$diskdev" bs=1024 skip=15360 seek=15360 count=1024 > /dev/null 2>&1
 	# write kernel image
 	echo "Writing kernel to /dev/$diskdev..."
 	dd if="$1" of="/dev/$diskdev" bs=1024 skip=16384 seek=16384 count=16384 > /dev/null 2>&1
diff --git a/target/linux/layerscape/image/Makefile b/target/linux/layerscape/image/Makefile
index 8a38a25041..08864b1316 100644
--- a/target/linux/layerscape/image/Makefile
+++ b/target/linux/layerscape/image/Makefile
@@ -11,8 +11,8 @@ LS_SD_ROOTFSPART_OFFSET = 64
 LS_SD_IMAGE_SIZE = $(shell echo $$((($(LS_SD_ROOTFSPART_OFFSET) + \
 	$(CONFIG_TARGET_ROOTFS_PARTSIZE)) * 1024 * 1024)))
 
-# The limitation of flash sysupgrade.bin is 16MB kernel + 32MB rootfs
-LS_SYSUPGRADE_IMAGE_SIZE = 48m
+# The limitation of flash sysupgrade.bin is 1MB dtb + 16MB kernel + 32MB rootfs
+LS_SYSUPGRADE_IMAGE_SIZE = 49m
 
 define Build/ls-clean
 	rm -f $@
@@ -46,6 +46,13 @@ define Build/traverse-fit
 	@mv -f $@.new $@
 endef
 
+define Device/fix-sysupgrade
+  DEVICE_COMPAT_VERSION := 2.0
+  DEVICE_COMPAT_MESSAGE := DTB was added to sysupgrade. Image format is different. \
+	To use sysupgrade You need to change firmware partition in bootargs to "49m@0xf00000(firmware)" and saveenv. \
+	After that, You can use "sysupgrade -F".
+endef
+
 include $(SUBTARGET).mk
 
 $(eval $(call BuildImage))
diff --git a/target/linux/layerscape/image/armv7.mk b/target/linux/layerscape/image/armv7.mk
index 8a86997399..23bd3e8d82 100644
--- a/target/linux/layerscape/image/armv7.mk
+++ b/target/linux/layerscape/image/armv7.mk
@@ -16,12 +16,14 @@ define Device/Default
   DEVICE_DTS = $(lastword $(subst _, ,$(1)))
   SUPPORTED_DEVICES = $(subst _,$(comma),$(1))
   IMAGE_SIZE := 64m
-  IMAGE/sysupgrade.bin := append-kernel | pad-to 16M | \
+  IMAGE/sysupgrade.bin = ls-append-dtb $$(DEVICE_DTS) | pad-to 1M | \
+    append-kernel | pad-to 17M | \
     append-rootfs | pad-rootfs | \
     check-size $(LS_SYSUPGRADE_IMAGE_SIZE) | append-metadata
 endef
 
 define Device/fsl_ls1021a-twr
+  $(Device/fix-sysupgrade)
   DEVICE_VENDOR := NXP
   DEVICE_MODEL := TWR-LS1021A
   DEVICE_VARIANT := Default
@@ -54,7 +56,8 @@ define Device/fsl_ls1021a-twr-sdboot
     append-rootfs | check-size $(LS_SD_IMAGE_SIZE)
   IMAGE/sysupgrade.bin := \
     ls-clean | \
-    ls-append-sdhead $(1) | pad-to 16M | \
+    ls-append-sdhead $(1) | pad-to 15M | \
+    ls-append-dtb $$(DEVICE_DTS) | pad-to 16M | \
     append-kernel | pad-to $(LS_SD_ROOTFSPART_OFFSET)M | \
     append-rootfs | check-size $(LS_SD_IMAGE_SIZE) | append-metadata
 endef
@@ -67,7 +70,7 @@ define Device/fsl_ls1021a-iot-sdboot
   DEVICE_DTS := ls1021a-iot
   FILESYSTEMS := ext4
   SUPPORTED_DEVICES :=
-  IMAGES := sdcard.img
+  IMAGES := sdcard.img sysupgrade.bin
   IMAGE/sdcard.img := \
     ls-clean | \
     ls-append-sdhead $(1) | pad-to 4K | \
@@ -76,5 +79,11 @@ define Device/fsl_ls1021a-iot-sdboot
     ls-append-dtb $$(DEVICE_DTS) | pad-to 16M | \
     append-kernel | pad-to $(LS_SD_ROOTFSPART_OFFSET)M | \
     append-rootfs | check-size $(LS_SD_IMAGE_SIZE)
+  IMAGE/sysupgrade.bin := \
+    ls-clean | \
+    ls-append-sdhead $(1) | pad-to 15M | \
+    ls-append-dtb $$(DEVICE_DTS) | pad-to 16M | \
+    append-kernel | pad-to $(LS_SD_ROOTFSPART_OFFSET)M | \
+    append-rootfs | check-size $(LS_SD_IMAGE_SIZE) | append-metadata
 endef
 TARGET_DEVICES += fsl_ls1021a-iot-sdboot
diff --git a/target/linux/layerscape/image/armv8_64b.mk b/target/linux/layerscape/image/armv8_64b.mk
index 6ed3e7c155..35bab47124 100644
--- a/target/linux/layerscape/image/armv8_64b.mk
+++ b/target/linux/layerscape/image/armv8_64b.mk
@@ -15,7 +15,8 @@ define Device/Default
   DEVICE_DTS = freescale/$(subst _,-,$(1))
   SUPPORTED_DEVICES = $(subst _,$(comma),$(1))
   IMAGE_SIZE := 64m
-  IMAGE/sysupgrade.bin := append-kernel | pad-to 16M | \
+  IMAGE/sysupgrade.bin = ls-append-dtb $$(DEVICE_DTS) | pad-to 1M | \
+    append-kernel | pad-to 17M | \
     append-rootfs | pad-rootfs | \
     check-size $(LS_SYSUPGRADE_IMAGE_SIZE) | append-metadata
 endef
@@ -46,6 +47,7 @@ endef
 TARGET_DEVICES += fsl_ls1012a-frdm
 
 define Device/fsl_ls1012a-rdb
+  $(Device/fix-sysupgrade)
   DEVICE_VENDOR := NXP
   DEVICE_MODEL := LS1012A-RDB
   DEVICE_PACKAGES += \
@@ -89,13 +91,15 @@ define Device/fsl_ls1012a-frwy-sdboot
     append-rootfs | check-size $(LS_SD_IMAGE_SIZE)
   IMAGE/sysupgrade.bin := \
     ls-clean | \
-    ls-append-sdhead $(1) | pad-to 16M | \
+    ls-append-sdhead $(1) | pad-to 15M | \
+    ls-append-dtb $$(DEVICE_DTS) | pad-to 16M | \
     append-kernel | pad-to $(LS_SD_ROOTFSPART_OFFSET)M | \
     append-rootfs | check-size $(LS_SD_IMAGE_SIZE) | append-metadata
 endef
 TARGET_DEVICES += fsl_ls1012a-frwy-sdboot
 
 define Device/fsl_ls1043a-rdb
+  $(Device/fix-sysupgrade)
   DEVICE_VENDOR := NXP
   DEVICE_MODEL := LS1043A-RDB
   DEVICE_VARIANT := Default
@@ -145,13 +149,15 @@ define Device/fsl_ls1043a-rdb-sdboot
     append-rootfs | check-size $(LS_SD_IMAGE_SIZE)
   IMAGE/sysupgrade.bin := \
     ls-clean | \
-    ls-append-sdhead $(1) | pad-to 16M | \
+    ls-append-sdhead $(1) | pad-to 15M | \
+    ls-append-dtb $$(DEVICE_DTS) | pad-to 16M | \
     append-kernel | pad-to $(LS_SD_ROOTFSPART_OFFSET)M | \
     append-rootfs | check-size $(LS_SD_IMAGE_SIZE) | append-metadata
 endef
 TARGET_DEVICES += fsl_ls1043a-rdb-sdboot
 
 define Device/fsl_ls1046a-rdb
+  $(Device/fix-sysupgrade)
   DEVICE_VENDOR := NXP
   DEVICE_MODEL := LS1046A-RDB
   DEVICE_VARIANT := Default
@@ -201,13 +207,15 @@ define Device/fsl_ls1046a-rdb-sdboot
     append-rootfs | check-size $(LS_SD_IMAGE_SIZE)
   IMAGE/sysupgrade.bin := \
     ls-clean | \
-    ls-append-sdhead $(1) | pad-to 16M | \
+    ls-append-sdhead $(1) | pad-to 15M | \
+    ls-append-dtb $$(DEVICE_DTS) | pad-to 16M | \
     append-kernel | pad-to $(LS_SD_ROOTFSPART_OFFSET)M | \
     append-rootfs | check-size $(LS_SD_IMAGE_SIZE) | append-metadata
 endef
 TARGET_DEVICES += fsl_ls1046a-rdb-sdboot
 
 define Device/fsl_ls1088a-rdb
+  $(Device/fix-sysupgrade)
   DEVICE_VENDOR := NXP
   DEVICE_MODEL := LS1088A-RDB
   DEVICE_VARIANT := Default
@@ -262,13 +270,15 @@ define Device/fsl_ls1088a-rdb-sdboot
     append-rootfs | check-size $(LS_SD_IMAGE_SIZE)
   IMAGE/sysupgrade.bin := \
     ls-clean | \
-    ls-append-sdhead $(1) | pad-to 16M | \
+    ls-append-sdhead $(1) | pad-to 15M | \
+    ls-append-dtb $$(DEVICE_DTS) | pad-to 16M | \
     append-kernel | pad-to $(LS_SD_ROOTFSPART_OFFSET)M | \
     append-rootfs | check-size $(LS_SD_IMAGE_SIZE) | append-metadata
 endef
 TARGET_DEVICES += fsl_ls1088a-rdb-sdboot
 
 define Device/fsl_ls2088a-rdb
+  $(Device/fix-sysupgrade)
   DEVICE_VENDOR := NXP
   DEVICE_MODEL := LS2088ARDB
   DEVICE_PACKAGES += \