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[OpenWrt-Devel,4/7] uboot-zynq: use a file to modify the default environment

Message ID 20180904014002.30336-5-luaraneda@gmail.com
State Accepted
Delegated to: John Crispin
Headers show
Series zynq: implement sdcard image support | expand

Commit Message

Luis Araneda Sept. 4, 2018, 1:39 a.m. UTC 
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>
---
 package/boot/uboot-zynq/Makefile               | 2 ++
 package/boot/uboot-zynq/files/uEnv-default.txt | 1 +
 2 files changed, 3 insertions(+)
 create mode 100644 package/boot/uboot-zynq/files/uEnv-default.txt
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Patch

diff --git a/package/boot/uboot-zynq/Makefile b/package/boot/uboot-zynq/Makefile
index 31575d7cae..2e4c6cc034 100644
--- a/package/boot/uboot-zynq/Makefile
+++ b/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
diff --git a/package/boot/uboot-zynq/files/uEnv-default.txt b/package/boot/uboot-zynq/files/uEnv-default.txt
new file mode 100644
index 0000000000..5030b07784
--- /dev/null
+++ b/package/boot/uboot-zynq/files/uEnv-default.txt
@@ -0,0 +1 @@ 
+bootargs=console=ttyPS0,115200n8 root=/dev/mmcblk0p2 rootwait earlyprintk