binman: Make a start on an iMX8 test

This patch is for Marek, to provide a starting point.

To try it, use 'binman test -T' and see the missing coverage.

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

tools/binman/etype/nxp_imx8mimage.py

@@ -27,7 +27,8 @@ class Entry_nxp_imx8mimage(Entry_mkimage):
 
     def __init__(self, section, etype, node):
         super().__init__(section, etype, node)
-        self.required_props = ['nxp,boot-from', 'nxp,rom-version', 'nxp,loader-address']
+        self.required_props = ['nxp,boot-from', 'nxp,rom-version',
+                               'nxp,loader-address']
 
     def ReadNode(self):
         super().ReadNode()

tools/binman/ftest.py

@@ -7800,6 +7800,10 @@ fdt         fdtmap                Extract the devicetree blob from the fdtmap
         self.assertIn('Symbol-writing: no value for /binman/section/u-boot',
                       out)
 
+    def testNxpImx8Image(self):
+        """Test that binman can produce an iMX8 image"""
+        self._DoTestFile('339_nxp_imx8.dts')
+
 
 if __name__ == "__main__":
     unittest.main()

tools/binman/test/339_nxp_imx8.dts

@@ -0,0 +1,17 @@
+// SPDX-License-Identifier: GPL-2.0+
+
+/dts-v1/;
+
+/ {
+	#address-cells = <1>;
+	#size-cells = <1>;
+
+	binman {
+		nxp-imx8mimage {
+			args;	/* TODO: Needed by mkimage etype superclass */
+			nxp,boot-from = "sd";
+			nxp,rom-version = <1>;
+			nxp,loader-address = <0x10>;
+		};
+	};
+};