boards/qemumicroblaze: Added ramdisk boot args to device tree

The MicroBlaze kernel uses device tree boot args before it attempts to
use the arguments provided by the bootloader (e,g, u-boot/qemu).

This change expects that the qemumicroblaze machine is always loaded
with a initrd.

Signed-off-by: Nathan Rossi <nathan.rossi@xilinx.com>

1 files changed, 1 insertions, 1 deletions

diff --git a/conf/machine/boards/qemu/qemumicroblaze.dts b/conf/machine/boards/qemu/qemumicroblaze.dts
index 4a6e5a6c..9ec05843 100644
--- a/conf/machine/boards/qemu/qemumicroblaze.dts
+++ b/conf/machine/boards/qemu/qemumicroblaze.dts
@@ -13,7 +13,7 @@
                 serial0 = &rs232_uart_1;
         } ;
         chosen {
-                bootargs = "console=ttyS0,115200 ";
+                bootargs = "console=ttyS0,115200 root=/dev/ram rw";
                 linux,stdout-path = "/axi@1/serial@83e00000";
         } ;
         cpus {