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

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 <[email protected]>
Luis Araneda 7 rokov pred
rodič
commit
e2a4d14aaa

+ 2 - 0
package/boot/uboot-zynq/Makefile

@@ -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 - 0
package/boot/uboot-zynq/files/uEnv-default.txt

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