[16/26,v6] tools: binman: add etype file for u-boot-lzma-img

diff --git a/tools/binman/README.entries b/tools/binman/README.entries
index 6a816bba6b..0aea9b8f6d 100644
--- a/tools/binman/README.entries
+++ b/tools/binman/README.entries
@@ -747,6 +747,21 @@  applications.
 
 
 
+Entry: u-boot-lzma-img: U-Boot legacy image with contents compressed by LZMA
+----------------------------------------------------------------------------
+
+Properties / Entry arguments:
+    - filename: Filename of u-boot-lzma.img (default 'u-boot-lzma.img')
+
+This is the U-Boot binary as a packaged image, in legacy format. It has a
+header which allows it to be loaded at the correct address for execution.
+Its contents are compressed by LZMA.
+
+You should use FIT (Flat Image Tree) instead of the legacy image for new
+applications.
+
+
+
 Entry: u-boot-nodtb: U-Boot flat binary without device tree appended
 --------------------------------------------------------------------
 
diff --git a/tools/binman/etype/u_boot_lzma_img.py b/tools/binman/etype/u_boot_lzma_img.py
new file mode 100644
index 0000000000..966d6a46da
--- /dev/null
+++ b/tools/binman/etype/u_boot_lzma_img.py
@@ -0,0 +1,28 @@ 
+# SPDX-License-Identifier: GPL-2.0
+# Copyright (C) 2020 MediaTek Inc. All Rights Reserved.
+# Author: Weijie Gao <weijie.gao at mediatek.com>
+#
+# Entry-type module for U-Boot legacy image with contents compressed by LZMA
+#
+
+from entry import Entry
+from blob import Entry_blob
+
+class Entry_u_boot_lzma_img(Entry_blob):
+    """U-Boot legacy image with contents compressed by LZMA
+
+    Properties / Entry arguments:
+        - filename: Filename of u-boot-lzma.img (default 'u-boot-lzma.img')
+
+    This is the U-Boot binary as a packaged image, in legacy format. It has a
+    header which allows it to be loaded at the correct address for execution.
+    Its contents are compressed by LZMA.
+
+    You should use FIT (Flat Image Tree) instead of the legacy image for new
+    applications.
+    """
+    def __init__(self, section, etype, node):
+        Entry_blob.__init__(self, section, etype, node)
+
+    def GetDefaultFilename(self):
+        return 'u-boot-lzma.img'
diff --git a/tools/binman/ftest.py b/tools/binman/ftest.py
index 872b855444..0ff7487b96 100644
--- a/tools/binman/ftest.py
+++ b/tools/binman/ftest.py
@@ -39,6 +39,7 @@  import tout
 # Contents of test files, corresponding to different entry types
 U_BOOT_DATA           = b'1234'
 U_BOOT_IMG_DATA       = b'img'
+U_BOOT_LZMA_IMG_DATA  = b'lzma-img'
 U_BOOT_SPL_DATA       = b'56780123456789abcdefghi'
 U_BOOT_TPL_DATA       = b'tpl9876543210fedcbazyw'
 BLOB_DATA             = b'89'
@@ -115,6 +116,7 @@  class TestFunctional(unittest.TestCase):
         # Create some test files
         TestFunctional._MakeInputFile('u-boot.bin', U_BOOT_DATA)
         TestFunctional._MakeInputFile('u-boot.img', U_BOOT_IMG_DATA)
+        TestFunctional._MakeInputFile('u-boot-lzma.img', U_BOOT_LZMA_IMG_DATA)
         TestFunctional._MakeInputFile('spl/u-boot-spl.bin', U_BOOT_SPL_DATA)
         TestFunctional._MakeInputFile('tpl/u-boot-tpl.bin', U_BOOT_TPL_DATA)
         TestFunctional._MakeInputFile('blobfile', BLOB_DATA)
@@ -1078,6 +1080,11 @@  class TestFunctional(unittest.TestCase):
         data = self._DoReadFile('036_u_boot_img.dts')
         self.assertEqual(U_BOOT_IMG_DATA, data)
 
+    def testUBootLzmaImg(self):
+        """Test that u-boot-lzma.img can be put in a file"""
+        data = self._DoReadFile('156_u_boot_lzma_img.dts')
+        self.assertEqual(U_BOOT_LZMA_IMG_DATA, data)
+
     def testNoMicrocode(self):
         """Test that a missing microcode region is detected"""
         with self.assertRaises(ValueError) as e:
diff --git a/tools/binman/test/156_u_boot_lzma_img.dts b/tools/binman/test/156_u_boot_lzma_img.dts
new file mode 100644
index 0000000000..f49d014216
--- /dev/null
+++ b/tools/binman/test/156_u_boot_lzma_img.dts
@@ -0,0 +1,11 @@ 
+/dts-v1/;
+
+/ {
+	#address-cells = <1>;
+	#size-cells = <1>;
+
+	binman {
+		u-boot-lzma-img {
+		};
+	};
+};