[PATCH 4/7] binman: Add support for ATF BL31

[Simon Glass]

Add an entry for ARM Trusted Firmware's 'BL31' payload, which is the
device's main firmware. Typically this is U-Boot.

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

 tools/binman/README.entries        | 10 ++++++++++
 tools/binman/etype/atf_bl31.py     | 20 ++++++++++++++++++++
 tools/binman/ftest.py              |  9 +++++++++
 tools/binman/test/165_atf_bl31.dts | 16 ++++++++++++++++
 4 files changed, 55 insertions(+)
 create mode 100644 tools/binman/etype/atf_bl31.py
 create mode 100644 tools/binman/test/165_atf_bl31.dts

diff --git a/tools/binman/README.entries b/tools/binman/README.entries
index 97bfae16116..85b8ec9fa73 100644
--- a/tools/binman/README.entries
+++ b/tools/binman/README.entries
@@ -11,6 +11,16 @@ features to produce new behaviours.
 
 
 
+Entry: atf-bl31: Entry containing an ARM Trusted Firmware (ATF) BL31 blob
+-------------------------------------------------------------------------
+
+Properties / Entry arguments:
+    - atf-bl31-path: Filename of file to read into entry
+
+This entry holds the run-time firmware started by ATF.
+
+
+
 Entry: blob: Entry containing an arbitrary binary blob
 ------------------------------------------------------
 
diff --git a/tools/binman/etype/atf_bl31.py b/tools/binman/etype/atf_bl31.py
new file mode 100644
index 00000000000..fd7223843b1
--- /dev/null
+++ b/tools/binman/etype/atf_bl31.py
@@ -0,0 +1,20 @@
+# SPDX-License-Identifier: GPL-2.0+
+# Copyright (c) 2016 Google, Inc
+# Written by Simon Glass <sjg at chromium.org>
+#
+# Entry-type module for Intel Management Engine binary blob
+#
+
+from binman.etype.blob_named_by_arg import Entry_blob_named_by_arg
+
+class Entry_atf_bl31(Entry_blob_named_by_arg):
+    """Entry containing an ARM Trusted Firmware (ATF) BL31 blob
+
+    Properties / Entry arguments:
+        - atf-bl31-path: Filename of file to read into entry
+
+    This entry holds the run-time firmware started by ATF.
+    """
+    def __init__(self, section, etype, node):
+        super().__init__(section, etype, node, 'atf-bl31')
+        self.external = True
diff --git a/tools/binman/ftest.py b/tools/binman/ftest.py
index 8d687162185..30c9c764327 100644
--- a/tools/binman/ftest.py
+++ b/tools/binman/ftest.py
@@ -75,6 +75,7 @@ REFCODE_DATA          = b'refcode'
 FSP_M_DATA            = b'fsp_m'
 FSP_S_DATA            = b'fsp_s'
 FSP_T_DATA            = b'fsp_t'
+ATF_BL31_DATA         = b'bl31'
 
 # The expected size for the device tree in some tests
 EXTRACT_DTB_SIZE = 0x3c9
@@ -168,6 +169,7 @@ class TestFunctional(unittest.TestCase):
                         os.path.join(cls._indir, 'files'))
 
         TestFunctional._MakeInputFile('compress', COMPRESS_DATA)
+        TestFunctional._MakeInputFile('bl31.bin', ATF_BL31_DATA)
 
         # Travis-CI may have an old lz4
         cls.have_lz4 = True
@@ -3505,5 +3507,12 @@ class TestFunctional(unittest.TestCase):
         self.assertIn("Missing required properties/entry args: cros-ec-rw-path",
                       str(e.exception))
 
+    def testPackBl31(self):
+        """Test that an image with an ATF BL31 binary can be created"""
+        data = self._DoReadFile('165_atf_bl31.dts')
+        self.assertEqual(ATF_BL31_DATA, data[:len(ATF_BL31_DATA)])
+
+ATF_BL31_DATA
+
 if __name__ == "__main__":
     unittest.main()
diff --git a/tools/binman/test/165_atf_bl31.dts b/tools/binman/test/165_atf_bl31.dts
new file mode 100644
index 00000000000..2b7547d70f9
--- /dev/null
+++ b/tools/binman/test/165_atf_bl31.dts
@@ -0,0 +1,16 @@
+// SPDX-License-Identifier: GPL-2.0+
+
+/dts-v1/;
+
+/ {
+	#address-cells = <1>;
+	#size-cells = <1>;
+
+	binman {
+		size = <16>;
+
+		atf-bl31 {
+			filename = "bl31.bin";
+		};
+	};
+};
-- 
2.28.0.297.g1956fa8f8d-goog