working very simple uboot scripts

boot-script/simple.cmd

@@ -3,11 +3,16 @@
 ext4load mmc 1:1 ${ramdisk_addr_r} /boot/uInitrd-4.19.2-sunxi64
 ext4load mmc 1:1 ${kernel_addr_r}  /boot/vmlinuz-4.19.2-sunxi64
 
+setenv bootargs 'root=/dev/mmcblk2p1 console=ttyS0,115200 console=tty1'
+
+# from the armbian group:
+# setenv bootargs 'root=/dev/mmcblk2p1 rootwait rootfstype=ext4 console=ttyS0,115200 console=tty1 panic=10 consoleblank=0 loglevel=1 ubootpart=6526ddf3-01 usb-storage.quirks=0x2537:0x1066:u,0x2537:0x1068:u cgroup_enable=memory swapaccount=1 3'
+
 booti ${kernel_addr_r} ${ramdisk_addr_r} ${fdt_addr_r}
 
 # Recompile with:
 # mkimage -C none -A arm -T script -d simple.cmd simple.scr
 
 # then, at the u-boot prompt run:
-ext4load mmc 1:1 ${scriptaddr}  /root/pinebook/boot-script/simple.scr
-source ${scriptaddr}
+# ext4load mmc 1:1 ${scriptaddr}  /root/pinebook/boot-script/simple.scr
+# source ${scriptaddr}