binman: Add support for including spl/u-boot-spl-nodtb.bin

This file contains SPL image without a device tree. Add support for
including this in images.

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

tools/binman/etype/u_boot_spl_nodtb.py

+# Copyright (c) 2016 Google, Inc
+# Written by Simon Glass <sjg@chromium.org>
+#
+# SPDX-License-Identifier:      GPL-2.0+
+#
+# Entry-type module for 'u-boot-nodtb.bin'
+#
+
+from entry import Entry
+from blob import Entry_blob
+
+class Entry_u_boot_spl_nodtb(Entry_blob):
+    def __init__(self, image, etype, node):
+        Entry_blob.__init__(self, image, etype, node)
+
+    def GetDefaultFilename(self):
+        return 'spl/u-boot-spl-nodtb.bin'

tools/binman/ftest.py

@@ -876,6 +876,11 @@ class TestFunctional(unittest.TestCase):
         data = self._DoReadFile('51_u_boot_spl_dtb.dts')
         self.assertEqual(U_BOOT_SPL_DTB_DATA, data[:len(U_BOOT_SPL_DTB_DATA)])
 
+    def testSplNoDtb(self):
+        """Test that an image with spl/u-boot-spl-nodtb.bin can be created"""
+        data = self._DoReadFile('52_u_boot_spl_nodtb.dts')
+        self.assertEqual(U_BOOT_SPL_NODTB_DATA, data[:len(U_BOOT_SPL_NODTB_DATA)])
+
 
 if __name__ == "__main__":
     unittest.main()

tools/binman/test/52_u_boot_spl_nodtb.dts

+/dts-v1/;
+
+/ {
+	#address-cells = <1>;
+	#size-cells = <1>;
+
+	binman {
+		u-boot-spl-nodtb {
+		};
+	};
+};