x86: coral: Update the boot script

Make use of the new bootargs substitution mechanism and zboot command
syntax.

Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>

diff --git a/include/configs/chromebook_coral.h b/include/configs/chromebook_coral.h
index d4d32758e990f69e101814a8ab8a57c469f1207d..6e8e8ec17093d9228eacbdfeaad8c0cda55eb299 100644 (file)
--- a/include/configs/chromebook_coral.h
+++ b/include/configs/chromebook_coral.h
@@ -15,10 +15,13 @@
        "read mmc 2:2 100000 0 80; setexpr loader *001004f0; " \
        "setexpr size *00100518; setexpr blocks $size / 200; " \
        "read mmc 2:2 100000 80 $blocks; setexpr setup $loader - 1000; " \
-       "setexpr cmdline $loader - 2000; " \
-       "part uuid mmc 2:2 uuid; setenv bootargs_U $uuid; " \
-       "zboot start 100000 0 0 0 $setup $cmdline; " \
-       "zboot load; zboot setup; zboot dump; zboot go"
+       "setexpr cmdline_ptr $loader - 2000; " \
+       "setexpr.s cmdline *$cmdline_ptr; " \
+       "setexpr cmdline gsub %U \\\\${uuid}; " \
+       "if part uuid mmc 2:2 uuid; then " \
+       "zboot start 100000 0 0 0 $setup cmdline; " \
+       "zboot load; zboot setup; zboot dump; zboot go;" \
+       "fi"
 
 #include <configs/x86-common.h>
 #include <configs/x86-chromebook.h>