[U-Boot] [PATCH V4 3/6] imx: add container target

[Peng Fan]

To support SPL loading container file, add a new Makefile target,
and introduce a new Kconfig file to source the cfg file which
will be parsed by mkimage.

Signed-off-by: Peng Fan <peng.fan at nxp.com>
---
 Makefile                       |  8 ++++++++
 arch/arm/mach-imx/Makefile     | 14 ++++++++++++--
 arch/arm/mach-imx/imx8/Kconfig |  7 +++++++
 3 files changed, 27 insertions(+), 2 deletions(-)

diff --git a/Makefile b/Makefile
index 3b0864ae8e..dc96252324 100644
--- a/Makefile
+++ b/Makefile
@@ -1324,9 +1324,17 @@ SPL: spl/u-boot-spl.bin FORCE
 	$(Q)$(MAKE) $(build)=arch/arm/mach-imx $@
 
 ifeq ($(CONFIG_ARCH_IMX8M)$(CONFIG_ARCH_IMX8), y)
+ifeq ($(CONFIG_SPL_LOAD_IMX_CONTAINER), y)
+u-boot.cnt: u-boot.bin FORCE
+	$(Q)$(MAKE) $(build)=arch/arm/mach-imx $@
+
+flash.bin: spl/u-boot-spl.bin u-boot.cnt FORCE
+	$(Q)$(MAKE) $(build)=arch/arm/mach-imx $@
+else
 flash.bin: spl/u-boot-spl.bin u-boot.itb FORCE
 	$(Q)$(MAKE) $(build)=arch/arm/mach-imx $@
 endif
+endif
 
 u-boot-with-spl.imx u-boot-with-nand-spl.imx: SPL u-boot.bin FORCE
 	$(Q)$(MAKE) $(build)=arch/arm/mach-imx $@
diff --git a/arch/arm/mach-imx/Makefile b/arch/arm/mach-imx/Makefile
index 08ee52edbf..17b241ae99 100644
--- a/arch/arm/mach-imx/Makefile
+++ b/arch/arm/mach-imx/Makefile
@@ -90,6 +90,11 @@ IMX_CONFIG = $(CONFIG_IMX_CONFIG:"%"=%)
 	$(Q)mkdir -p $(dir $@)
 	$(call if_changed_dep,cpp_cfg)
 
+IMX_CONTAINER_CFG = $(CONFIG_IMX_CONTAINER_CFG:"%"=%)
+container.cfg: $(IMX_CONTAINER_CFG) FORCE
+	$(Q)mkdir -p $(dir $@)
+	$(call if_changed_dep,cpp_cfg)
+
 ifeq ($(CONFIG_ARCH_IMX8), y)
 CNTR_DEPFILES := $(srctree)/tools/imx_cntr_image.sh
 IMAGE_TYPE := imx8image
@@ -158,10 +163,15 @@ SPL:
 MKIMAGEFLAGS_flash.bin = -n spl/u-boot-spl.cfgout -T $(IMAGE_TYPE) -e 0x100000
 flash.bin: MKIMAGEOUTPUT = flash.log
 
-flash.bin: spl/u-boot-spl.bin u-boot.itb FORCE
-ifeq ($(SPL_DEPFILE_EXISTS),0)
+MKIMAGEFLAGS_u-boot.cnt = -n container.cfg -T $(IMAGE_TYPE) -e 0x100000
+u-boot.cnt: MKIMAGEOUTPUT = u-boot.cnt.log
+
+ifeq ($(CONFIG_SPL_LOAD_IMX_CONTAINER), y)
+u-boot.cnt: u-boot.bin container.cfg FORCE
 	$(call if_changed,mkimage)
 endif
+flash.bin: spl/u-boot-spl.bin FORCE
+	$(call if_changed,mkimage)
 endif
 
 else
diff --git a/arch/arm/mach-imx/imx8/Kconfig b/arch/arm/mach-imx/imx8/Kconfig
index e9496cb611..d17760e333 100644
--- a/arch/arm/mach-imx/imx8/Kconfig
+++ b/arch/arm/mach-imx/imx8/Kconfig
@@ -29,6 +29,13 @@ config SPL_LOAD_IMX_CONTAINER
 	help
 	  This is to let SPL could load i.MX8 Container image
 
+config IMX_CONTAINER_CFG
+	string "i.MX Container config file"
+	depends on SPL
+	help
+	  This is to specific the cfg file for generating container
+	  image which will be loaded by SPL.
+
 choice
 	prompt "i.MX8 board select"
 	optional
-- 
2.16.4