sandbox: Add an option to display of-platdata in SPL

At present we don't have a test that of-platdata can be accessed in SPL.
Add this in as a command-line option to SPL.

Signed-off-by: Simon Glass <sjg@chromium.org>

1 files changed, 9 insertions, 0 deletions

diff --git a/arch/sandbox/cpu/start.c b/arch/sandbox/cpu/start.c
index 2ee3b48565..28ca35392c 100644
--- a/arch/sandbox/cpu/start.c
+++ b/arch/sandbox/cpu/start.c
@@ -283,6 +283,15 @@ static int sandbox_cmdline_cb_log_level(struct sandbox_state *state,
 SANDBOX_CMDLINE_OPT_SHORT(log_level, 'L', 1,
 			  "Set log level (0=panic, 7=debug)");
 
+static int sandbox_cmdline_cb_show_of_platdata(struct sandbox_state *state,
+					       const char *arg)
+{
+	state->show_of_platdata = true;
+
+	return 0;
+}
+SANDBOX_CMDLINE_OPT(show_of_platdata, 0, "Show of-platdata in SPL");
+
 int board_run_command(const char *cmdline)
 {
 	printf("## Commands are disabled. Please enable CONFIG_CMDLINE.\n");