xilinx: Add qspi boot command script for reference

Thsi patch adds qspiboot command script for reference.
This can be converetd into uboot script using mkimage and
use for booting.

Signed-off-by: Siva Durga Prasad Paladugu <siva.durga.paladugu@xilinx.com>
Signed-off-by: Michal Simek <michal.simek@xilinx.com>

diff --git a/board/xilinx/bootscripts/qspiboot.cmd b/board/xilinx/bootscripts/qspiboot.cmd
new file mode 100644 (file)
index 0000000..c10341c
--- /dev/null
+++ b/board/xilinx/bootscripts/qspiboot.cmd
@@ -0,0 +1,10 @@
+# This is an example file to generate boot.scr - a boot script for U-Boot
+# This example only target for qspi boot, sameway it can be created for boot
+# devices like nand.
+# Generate boot.scr:
+# ./tools/mkimage -c none -A arm -T script -d qspiboot.cmd boot.scr
+#
+# It requires a list of environment variables to be defined before load:
+# fdt_addr, fdt_offset, fdt_size, kernel_addr, kernel_offset, kernel_size
+#
+sf probe 0 0 0 && sf read $fdt_addr $fdt_offset $fdt_size && sf read $kernel_addr $kernel_offset $kernel_size && booti $kernel_addr - $fdt_addr