From 6bec2128bb0165f155645e40036635b186febc0b Mon Sep 17 00:00:00 2001
From: Tao Huang <huangtao@rock-chips.com>
Date: Wed, 15 Apr 2020 19:17:15 +0800
Subject: [PATCH] rk: arm: support build Image.gz and Image.lz4

Same as arm64.

Change-Id: If129d04388414ba4acd252a274431710ed8d985b
Signed-off-by: Tao Huang <huangtao@rock-chips.com>
---
 arch/arm/Makefile      | 3 ++-
 arch/arm/boot/Makefile | 7 +++++++
 2 files changed, 9 insertions(+), 1 deletion(-)

diff --git a/arch/arm/Makefile b/arch/arm/Makefile
index 1b2e0c5b7cfc..f93a91ad8270 100644
--- a/arch/arm/Makefile
+++ b/arch/arm/Makefile
@@ -336,6 +336,7 @@ archprepare:
 bzImage: zImage
 
 BOOT_TARGETS	= zImage Image xipImage bootpImage uImage
+BOOT_TARGETS	+= Image.gz Image.lz4
 INSTALL_TARGETS	= zinstall uinstall install
 
 PHONY += bzImage $(BOOT_TARGETS) $(INSTALL_TARGETS)
@@ -405,7 +406,7 @@ LOGO := $(notdir $(wildcard $(srctree)/logo.bmp))
 LOGO_KERNEL := $(notdir $(wildcard $(srctree)/logo_kernel.bmp))
 endif
 
-%.img: %.dtb kernel.img $(LOGO) $(LOGO_KERNEL)
+%.img: %.dtb kernel.img Image.gz Image.lz4 $(LOGO) $(LOGO_KERNEL)
 	$(Q)$(srctree)/scripts/mkimg --dtb $*.dtb
 
 CLEAN_DIRS += out
diff --git a/arch/arm/boot/Makefile b/arch/arm/boot/Makefile
index a3af4dc08c3e..330ff3027e88 100644
--- a/arch/arm/boot/Makefile
+++ b/arch/arm/boot/Makefile
@@ -60,6 +60,13 @@ $(obj)/xipImage: FORCE
 $(obj)/Image: vmlinux FORCE
 	$(call if_changed,objcopy)
 
+targets += Image.gz Image.lz4
+$(obj)/Image.gz: $(obj)/Image FORCE
+	$(call if_changed,gzip)
+
+$(obj)/Image.lz4: $(obj)/Image FORCE
+	$(call if_changed,lz4c)
+
 $(obj)/compressed/vmlinux: $(obj)/Image FORCE
 	$(Q)$(MAKE) $(build)=$(obj)/compressed $@