1 files changed, 32 insertions, 0 deletions
diff --git a/board/cr50/wp.c b/board/cr50/wp.c
new file mode 100644
index 0000000000..e32ce2189a
--- /dev/null
+++ b/board/cr50/wp.c
@@ -0,0 +1,32 @@
+/* Copyright 2016 The Chromium OS Authors. All rights reserved.
+ * Use of this source code is governed by a BSD-style license that can be
+ * found in the LICENSE file.
+ */
+
+#include "common.h"
+#include "console.h"
+#include "registers.h"
+
+static int command_wp(int argc, char **argv)
+{
+	int val;
+
+	if (argc > 1) {
+		if (!parse_bool(argv[1], &val))
+			return EC_ERROR_PARAM1;
+
+		/* Invert, because active low */
+		GREG32(RBOX, EC_WP_L) = !val;
+	}
+
+	/* Invert, because active low */
+	val = !GREG32(RBOX, EC_WP_L);
+
+	ccprintf("Flash WP is %s\n", val ? "enabled" : "disabled");
+
+	return EC_SUCCESS;
+}
+DECLARE_CONSOLE_COMMAND(wp, command_wp,
+	"[bool]",
+	"Get/set the flash HW write-protect signal",
+	NULL);