ath79: move ubnt-xm to tiny

ath79 has was bumped to 5.10. With this, as with every kernel change,
the kernel has become larger. However, although the kernel gets bigger,
there are still enough flash resources. But the RAM reaches its capacity
limits. The tiny image comes with fewer kernel flags enabled and
fewer daemons.

Improves: 15aa53d7ee65 ("ath79: switch to Kernel 5.10")

Tested-by: Robert Foss <me@robertfoss.se>
Signed-off-by: Nick Hainke <vincent@systemli.org>
(cherry picked from commit f4415f7635164ec07ddc22f56df93555804b5767)

1 files changed, 142 insertions, 0 deletions

diff --git a/target/linux/ath79/image/common-ubnt.mk b/target/linux/ath79/image/common-ubnt.mk
new file mode 100644
index 0000000000..625f0b4f3f
--- /dev/null
+++ b/target/linux/ath79/image/common-ubnt.mk
@@ -0,0 +1,142 @@
+DEVICE_VARS += UBNT_BOARD UBNT_CHIP UBNT_TYPE UBNT_VERSION UBNT_REVISION
+
+# On M (XW) devices the U-Boot as of version 1.1.4-s1039 doesn't like
+# VERSION_DIST being on the place of major(?) version number, so we need to
+# use some number.
+UBNT_REVISION := $(VERSION_DIST)-$(REVISION)
+
+# mkubntimage is using the kernel image direct
+# routerboard creates partitions out of the ubnt header
+define Build/mkubntimage
+	-$(STAGING_DIR_HOST)/bin/mkfwimage -B $(UBNT_BOARD) \
+		-v $(UBNT_TYPE).$(UBNT_CHIP).v6.0.0-$(VERSION_DIST)-$(REVISION) \
+		-k $(IMAGE_KERNEL) -r $@ -o $@
+endef
+
+define Build/mkubntimage2
+	-$(STAGING_DIR_HOST)/bin/mkfwimage2 -f 0x9f000000 \
+		-v $(UBNT_TYPE).$(UBNT_CHIP).v6.0.0-$(VERSION_DIST)-$(REVISION) \
+		-p jffs2:0x50000:0xf60000:0:0:$@ \
+		-o $@.new
+	@mv $@.new $@
+endef
+
+# all UBNT XM/WA devices expect the kernel image to have 1024k while flash, when
+# booting the image, the size doesn't matter.
+define Build/mkubntimage-split
+	-[ -f $@ ] && ( \
+	dd if=$@ of=$@.old1 bs=1024k count=1; \
+	dd if=$@ of=$@.old2 bs=1024k skip=1; \
+	$(STAGING_DIR_HOST)/bin/mkfwimage -B $(UBNT_BOARD) \
+		-v $(UBNT_TYPE).$(UBNT_CHIP).v$(UBNT_VERSION)-$(UBNT_REVISION) \
+		-k $@.old1 -r $@.old2 -o $@; \
+	rm $@.old1 $@.old2 )
+endef
+
+# UBNT_BOARD e.g. one of (XS2, XS5, RS, XM)
+# UBNT_TYPE e.g. one of (BZ, XM, XW)
+# UBNT_CHIP e.g. one of (ar7240, ar933x, ar934x)
+# UBNT_VERSION e.g. one of (6.0.0, 8.5.3)
+define Device/ubnt
+  DEVICE_VENDOR := Ubiquiti
+  DEVICE_PACKAGES := kmod-usb2
+  IMAGES += factory.bin
+  IMAGE/factory.bin := append-kernel | pad-to $$$$(BLOCKSIZE) | \
+	append-rootfs | pad-rootfs | check-size | mkubntimage-split
+endef
+
+define Device/ubnt-bz
+  $(Device/ubnt)
+  SOC := ar7241
+  IMAGE_SIZE := 7448k
+  UBNT_BOARD := XM
+  UBNT_CHIP := ar7240
+  UBNT_TYPE := BZ
+  UBNT_VERSION := 6.0.0
+endef
+
+define Device/ubnt-sw
+  $(Device/ubnt)
+  SOC := ar7242
+  DEVICE_PACKAGES += kmod-usb-ohci
+  IMAGE_SIZE := 7552k
+  UBNT_BOARD := SW
+  UBNT_CHIP := ar7240
+  UBNT_TYPE := SW
+  UBNT_VERSION := 1.4.1
+  KERNEL := kernel-bin | append-dtb | relocate-kernel | lzma | uImage lzma
+endef
+
+define Device/ubnt-2wa
+  $(Device/ubnt)
+  SOC := ar9342
+  IMAGE_SIZE := 15744k
+  UBNT_BOARD := WA
+  UBNT_CHIP := ar934x
+  UBNT_TYPE := 2WA
+  UBNT_VERSION := 8.5.3
+endef
+
+define Device/ubnt-wa
+  $(Device/ubnt)
+  SOC := ar9342
+  IMAGE_SIZE := 15744k
+  UBNT_BOARD := WA
+  UBNT_CHIP := ar934x
+  UBNT_TYPE := WA
+  UBNT_VERSION := 8.5.3
+endef
+
+define Device/ubnt-xc
+  $(Device/ubnt)
+  IMAGE_SIZE := 15744k
+  UBNT_BOARD := XC
+  UBNT_CHIP := qca955x
+  UBNT_TYPE := XC
+  UBNT_VERSION := 8.5.3
+endef
+
+define Device/ubnt-xm
+  $(Device/ubnt)
+  DEVICE_VARIANT := XM
+  DEVICE_PACKAGES += kmod-usb-ohci
+  IMAGE_SIZE := 7448k
+  UBNT_BOARD := XM
+  UBNT_CHIP := ar7240
+  UBNT_REVISION := 42.$(UBNT_REVISION)
+  UBNT_TYPE := XM
+  UBNT_VERSION := 6.0.0
+  KERNEL := kernel-bin | append-dtb | relocate-kernel | lzma | uImage lzma
+endef
+
+define Device/ubnt-xw
+  $(Device/ubnt)
+  SOC := ar9342
+  DEVICE_VARIANT := XW
+  IMAGE_SIZE := 7552k
+  UBNT_BOARD := XM
+  UBNT_CHIP := ar934x
+  UBNT_REVISION := 42.$(UBNT_REVISION)
+  UBNT_TYPE := XW
+  UBNT_VERSION := 6.0.4
+endef
+
+define Device/ubnt-unifi-jffs2
+  $(Device/ubnt)
+  KERNEL_SIZE := 3072k
+  IMAGE_SIZE := 15744k
+  UBNT_TYPE := BZ
+  KERNEL := kernel-bin | append-dtb | lzma | uImage lzma | jffs2 kernel0
+  IMAGES := sysupgrade.bin factory.bin
+  IMAGE/sysupgrade.bin := append-kernel | pad-to $$$$(KERNEL_SIZE) | append-rootfs |\
+	pad-rootfs | check-size | append-metadata
+  IMAGE/factory.bin := $$(IMAGE/sysupgrade.bin) | mkubntimage2
+endef
+
+define Device/ubnt-acb
+  $(Device/ubnt)
+  IMAGE_SIZE := 15744k
+  UBNT_BOARD := ACB
+  UBNT_TYPE := ACB
+  UBNT_VERSION := 2.5.0
+endef