rockchip: use LZMA FIT for kernel image

Use LZMA compressed kernel to save some space in boot partition.

Fixes: #11197
Tested-by: Tianling Shen <[email protected]> [NanoPi R2S]
Signed-off-by: Chuanhong Guo <[email protected]>

target/linux/rockchip/image/Makefile

@@ -16,7 +16,6 @@ define Build/boot-common
 	rm -fR [email protected]
 	mkdir -p [email protected]
 
-	$(CP) $(DTS_DIR)/$(DEVICE_DTS).dtb [email protected]/rockchip.dtb
 	$(CP) $(IMAGE_KERNEL) [email protected]/kernel.img
 endef
 
@@ -48,7 +47,7 @@ endef
 ### Devices ###
 define Device/Default
   PROFILES := Default
-  KERNEL := kernel-bin
+  KERNEL = kernel-bin | lzma | fit lzma $$(DTS_DIR)/$$(DEVICE_DTS).dtb
   IMAGES := sysupgrade.img.gz
   DEVICE_DTS = rockchip/$$(SOC)-$(lastword $(subst _, ,$(1)))
 endef

target/linux/rockchip/image/armv8.mk

@@ -2,6 +2,9 @@
 #
 # Copyright (C) 2020 Tobias Maedel
 
+# FIT will be loaded at 0x02080000. Leave 16M for that, align it to 2M and load the kernel after it.
+KERNEL_LOADADDR := 0x03200000
+
 define Device/friendlyarm_nanopi-r2s
   DEVICE_VENDOR := FriendlyARM
   DEVICE_MODEL := NanoPi R2S

target/linux/rockchip/image/mmc.bootscript

@@ -2,7 +2,6 @@ part uuid mmc ${devnum}:2 uuid
 
 setenv bootargs "console=ttyS2,1500000 console=tty1 earlycon=uart8250,mmio32,0xff1a0000 root=PARTUUID=${uuid} rw rootwait"
 
-load mmc ${devnum}:1 ${fdt_addr_r} rockchip.dtb
 load mmc ${devnum}:1 ${kernel_addr_r} kernel.img
 
-booti ${kernel_addr_r} - ${fdt_addr_r}
+bootm ${kernel_addr_r}

target/linux/rockchip/image/nanopi-r2s.bootscript

@@ -2,7 +2,6 @@ part uuid mmc ${devnum}:2 uuid
 
 setenv bootargs "console=ttyS2,1500000 earlycon=uart8250,mmio32,0xff130000 root=PARTUUID=${uuid} rw rootwait"
 
-load mmc ${devnum}:1 ${fdt_addr_r} rockchip.dtb
 load mmc ${devnum}:1 ${kernel_addr_r} kernel.img
 
-booti ${kernel_addr_r} - ${fdt_addr_r}
+bootm ${kernel_addr_r}

target/linux/rockchip/image/nanopi-r4s.bootscript

@@ -2,7 +2,6 @@ part uuid mmc ${devnum}:2 uuid
 
 setenv bootargs "console=ttyS2,1500000 earlycon=uart8250,mmio32,0xff1a0000 root=PARTUUID=${uuid} rw rootwait"
 
-load mmc ${devnum}:1 ${fdt_addr_r} rockchip.dtb
 load mmc ${devnum}:1 ${kernel_addr_r} kernel.img
 
-booti ${kernel_addr_r} - ${fdt_addr_r}
+bootm ${kernel_addr_r}