binman: Add support for Intel FSP-T

This entry is used to hold an Intel FSP-T (Firmware Support Package
Temp-RAM init) binary. Add support for this in binman.

Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>

tools/binman/README.entries

@@ -461,6 +461,22 @@ See README.x86 for information about x86 binary blobs.
 
 
 
+Entry: intel-fsp-t: Entry containing Intel Firmware Support Package (FSP) temp ram init
+---------------------------------------------------------------------------------------
+
+Properties / Entry arguments:
+    - filename: Filename of file to read into entry
+
+This file contains a binary blob which is used on some devices to set up
+temporary memory (Cache-as-RAM or CAR). U-Boot executes this code in TPL so
+that it has access to memory for its stack and initial storage.
+
+An example filename is 'fsp_t.bin'
+
+See README.x86 for information about x86 binary blobs.
+
+
+
 Entry: intel-ifwi: Entry containing an Intel Integrated Firmware Image (IFWI) file
 ----------------------------------------------------------------------------------
 

tools/binman/etype/intel_fsp_t.py

@@ -0,0 +1,26 @@
+# SPDX-License-Identifier: GPL-2.0+
+# Copyright 2019 Google LLC
+# Written by Simon Glass <sjg@chromium.org>
+#
+# Entry-type module for Intel Firmware Support Package binary blob (T section)
+#
+
+from entry import Entry
+from blob import Entry_blob
+
+class Entry_intel_fsp_t(Entry_blob):
+    """Entry containing Intel Firmware Support Package (FSP) temp ram init
+
+    Properties / Entry arguments:
+        - filename: Filename of file to read into entry
+
+    This file contains a binary blob which is used on some devices to set up
+    temporary memory (Cache-as-RAM or CAR). U-Boot executes this code in TPL so
+    that it has access to memory for its stack and initial storage.
+
+    An example filename is 'fsp_t.bin'
+
+    See README.x86 for information about x86 binary blobs.
+    """
+    def __init__(self, section, etype, node):
+        Entry_blob.__init__(self, section, etype, node)

tools/binman/ftest.py

@@ -74,6 +74,7 @@ COMPRESS_DATA         = b'compress xxxxxxxxxxxxxxxxxxxxxx data'
 REFCODE_DATA          = b'refcode'
 FSP_M_DATA            = b'fsp_m'
 FSP_S_DATA            = b'fsp_s'
+FSP_T_DATA            = b'fsp_t'
 
 # The expected size for the device tree in some tests
 EXTRACT_DTB_SIZE = 0x3c9
@@ -151,6 +152,7 @@ class TestFunctional(unittest.TestCase):
         TestFunctional._MakeInputFile('refcode.bin', REFCODE_DATA)
         TestFunctional._MakeInputFile('fsp_m.bin', FSP_M_DATA)
         TestFunctional._MakeInputFile('fsp_s.bin', FSP_S_DATA)
+        TestFunctional._MakeInputFile('fsp_t.bin', FSP_T_DATA)
 
         cls._elf_testdir = os.path.join(cls._indir, 'elftest')
         elf_test.BuildElfTestFiles(cls._elf_testdir)
@@ -3339,6 +3341,11 @@ class TestFunctional(unittest.TestCase):
         data = self._DoReadFile('153_intel_fsp_s.dts')
         self.assertEqual(FSP_S_DATA, data[:len(FSP_S_DATA)])
 
+    def testPackFspT(self):
+        """Test that an image with a FSP temp-ram-init binary can be created"""
+        data = self._DoReadFile('154_intel_fsp_t.dts')
+        self.assertEqual(FSP_T_DATA, data[:len(FSP_T_DATA)])
+
 
 if __name__ == "__main__":
     unittest.main()

tools/binman/test/154_intel_fsp_t.dts

@@ -0,0 +1,14 @@
+/dts-v1/;
+
+/ {
+	#address-cells = <1>;
+	#size-cells = <1>;
+
+	binman {
+		size = <16>;
+
+		intel-fsp-t {
+			filename = "fsp_t.bin";
+		};
+	};
+};