ASR_BASE

Change-Id: Icf3719cc0afe3eeb3edc7fa80a2eb5199ca9dda1
diff --git a/marvell/uboot/lib/uuid.c b/marvell/uboot/lib/uuid.c
new file mode 100644
index 0000000..c48bf38
--- /dev/null
+++ b/marvell/uboot/lib/uuid.c
@@ -0,0 +1,69 @@
+/*
+ * Copyright 2011 Calxeda, Inc.
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+#include <linux/ctype.h>
+#include "common.h"
+
+/*
+ * This is what a UUID string looks like.
+ *
+ * x is a hexadecimal character. fields are separated by '-'s. When converting
+ * to a binary UUID, le means the field should be converted to little endian,
+ * and be means it should be converted to big endian.
+ *
+ * 0        9    14   19   24
+ * xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx
+ *    le     le   le   be       be
+ */
+
+int uuid_str_valid(const char *uuid)
+{
+	int i, valid;
+
+	if (uuid == NULL)
+		return 0;
+
+	for (i = 0, valid = 1; uuid[i] && valid; i++) {
+		switch (i) {
+		case 8: case 13: case 18: case 23:
+			valid = (uuid[i] == '-');
+			break;
+		default:
+			valid = isxdigit(uuid[i]);
+			break;
+		}
+	}
+
+	if (i != 36 || !valid)
+		return 0;
+
+	return 1;
+}
+
+void uuid_str_to_bin(const char *uuid, unsigned char *out)
+{
+	uint16_t tmp16;
+	uint32_t tmp32;
+	uint64_t tmp64;
+
+	if (!uuid || !out)
+		return;
+
+	tmp32 = cpu_to_le32(simple_strtoul(uuid, NULL, 16));
+	memcpy(out, &tmp32, 4);
+
+	tmp16 = cpu_to_le16(simple_strtoul(uuid + 9, NULL, 16));
+	memcpy(out + 4, &tmp16, 2);
+
+	tmp16 = cpu_to_le16(simple_strtoul(uuid + 14, NULL, 16));
+	memcpy(out + 6, &tmp16, 2);
+
+	tmp16 = cpu_to_be16(simple_strtoul(uuid + 19, NULL, 16));
+	memcpy(out + 8, &tmp16, 2);
+
+	tmp64 = cpu_to_be64(simple_strtoull(uuid + 24, NULL, 16));
+	memcpy(out + 10, (char *)&tmp64 + 2, 6);
+}