binman: Allow image_pos to be None when writing symbols

Some images do not have an image_pos value, for example an image which
is part of a compressed section and therefore cannot be accessed
directly.

Handle this case, returning None as the value.

Signed-off-by: Simon Glass <[email protected]>

1 files changed, 26 insertions, 0 deletions

diff --git a/tools/binman/test/338_symbols_comp.dts b/tools/binman/test/338_symbols_comp.dts
new file mode 100644
index 00000000000..15008507cfd
--- /dev/null
+++ b/tools/binman/test/338_symbols_comp.dts
@@ -0,0 +1,26 @@
+// SPDX-License-Identifier: GPL-2.0+
+
+/dts-v1/;
+
+/ {
+	#address-cells = <1>;
+	#size-cells = <1>;
+
+	binman {
+		pad-byte = <0xff>;
+		u-boot-spl {
+		};
+
+		section {
+			offset = <0x1c>;
+			compress = "lz4";
+
+			u-boot {
+			};
+		};
+
+		u-boot-spl2 {
+			type = "u-boot-spl";
+		};
+	};
+};