--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/target-utils/libload/cmd_blankchk.c	Sat Jun 11 00:13:35 2016 +0000
@@ -0,0 +1,35 @@
+/*
+ * Flash blank check command
+ */
+
+#include <sys/types.h>
+#include "types.h"
+
+void
+cmd_blankchk(argbulk)
+	char *argbulk;
+{
+	char *argv[3];
+	u_long start, length;
+	u_long addr;
+	int c;
+
+	if (parse_args(argbulk, 2, 2, argv, 0) < 0)
+		return;
+	if (parse_hexarg(argv[0], 8, &start) < 0) {
+		printf("ERROR: arg1 must be a valid 32-bit hex address\n");
+		return;
+	}
+	if (parse_hexarg(argv[1], 8, &length) < 0) {
+	    printf("ERROR: arg2 must be a valid 32-bit hex value (length)\n");
+		return;
+	}
+	for (addr = start; addr < start + length; addr++) {
+		c = *(volatile u8 *)addr;
+		if (c != 0xFF) {
+			printf("Not blank: %02X at %08X\n", c, addr);
+			return;
+		}
+	}
+	printf("OK\n");
+}