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uboot-zynq: use a file to modify the default environment

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Follow the strategy of other targets and create a
default environment file, uEnv.txt, to configure the
behavior of U-Boot.
For now, use it to pass bootargs to the kernel

Signed-off-by: Luis Araneda <luaraneda@gmail.com>
This commit is contained in:
Luis Araneda 2018-09-03 22:39:59 -03:00 committed by John Crispin
parent 306a60fcfe
commit e2a4d14aaa
2 changed files with 3 additions and 0 deletions
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2
package/boot/uboot-zynq/Makefile
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@ -20,6 +20,7 @@ define U-Boot/Default
BUILD_TARGET:=zynq
UBOOT_IMAGE:=spl/boot.bin u-boot.img
UBOOT_CONFIG:=zynq_$(1)
UENV:=default
HIDDEN:=1
endef
@ -53,6 +54,7 @@ define Build/InstallDev
$(INSTALL_DIR) $(STAGING_DIR_IMAGE)
$(CP) $(PKG_BUILD_DIR)/spl/boot.bin $(STAGING_DIR_IMAGE)/$(BUILD_DEVICES)-boot.bin
$(CP) $(PKG_BUILD_DIR)/u-boot.img $(STAGING_DIR_IMAGE)/$(BUILD_DEVICES)-u-boot.img
$(CP) ./files/uEnv-$(UENV).txt $(STAGING_DIR_IMAGE)/$(BUILD_DEVICES)-uEnv.txt
endef
define Package/u-boot/install/default

1
package/boot/uboot-zynq/files/uEnv-default.txt Normal file
View file

@ -0,0 +1 @@
bootargs=console=ttyPS0,115200n8 root=/dev/mmcblk0p2 rootwait earlyprintk