binman: Add support for a rockchip-tpl entry

The rockchip-tpl entry can be used when an external TPL binary should be
used instead of the normal U-Boot TPL.

Signed-off-by: Jonas Karlman <jonas@kwiboo.se>
Reviewed-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Kever Yang <kever.yang@rock-chips.com>
Tested-by: Eugen Hristev <eugen.hristev@collabora.com>

tools/binman/entries.rst

@@ -1386,6 +1386,20 @@ For example, this creates an image with a pre-load header and a binary::
 
 
 
+.. _etype_rockchip_tpl:
+
+Entry: rockchip-tpl: Rockchip TPL binary
+----------------------------------------
+
+Properties / Entry arguments:
+    - rockchip-tpl-path: Filename of file to read into the entry,
+                         typically <soc>_ddr_<version>.bin
+
+This entry holds an external TPL binary used by some Rockchip SoCs
+instead of normal U-Boot TPL, typically to initialize DRAM.
+
+
+
 .. _etype_scp:
 
 Entry: scp: System Control Processor (SCP) firmware blob

tools/binman/etype/rockchip_tpl.py

@@ -0,0 +1,20 @@
+# SPDX-License-Identifier: GPL-2.0+
+#
+# Entry-type module for Rockchip TPL binary
+#
+
+from binman.etype.blob_named_by_arg import Entry_blob_named_by_arg
+
+class Entry_rockchip_tpl(Entry_blob_named_by_arg):
+    """Rockchip TPL binary
+
+    Properties / Entry arguments:
+        - rockchip-tpl-path: Filename of file to read into the entry,
+                             typically <soc>_ddr_<version>.bin
+
+    This entry holds an external TPL binary used by some Rockchip SoCs
+    instead of normal U-Boot TPL, typically to initialize DRAM.
+    """
+    def __init__(self, section, etype, node):
+        super().__init__(section, etype, node, 'rockchip-tpl')
+        self.external = True

tools/binman/ftest.py

@@ -90,6 +90,7 @@ TEE_OS_DATA           = b'this is some tee OS data'
 ATF_BL2U_DATA         = b'bl2u'
 OPENSBI_DATA          = b'opensbi'
 SCP_DATA              = b'scp'
+ROCKCHIP_TPL_DATA     = b'rockchip-tpl'
 TEST_FDT1_DATA        = b'fdt1'
 TEST_FDT2_DATA        = b'test-fdt2'
 ENV_DATA              = b'var1=1\nvar2="2"'
@@ -205,6 +206,7 @@ class TestFunctional(unittest.TestCase):
         TestFunctional._MakeInputFile('bl2u.bin', ATF_BL2U_DATA)
         TestFunctional._MakeInputFile('fw_dynamic.bin', OPENSBI_DATA)
         TestFunctional._MakeInputFile('scp.bin', SCP_DATA)
+        TestFunctional._MakeInputFile('rockchip-tpl.bin', ROCKCHIP_TPL_DATA)
 
         # Add a few .dtb files for testing
         TestFunctional._MakeInputFile('%s/test-fdt1.dtb' % TEST_FDT_SUBDIR,
@@ -6386,6 +6388,11 @@ fdt         fdtmap                Extract the devicetree blob from the fdtmap
         self.assertEqual(['u-boot', 'atf-2'],
                          fdt_util.GetStringList(node, 'loadables'))
 
+    def testPackRockchipTpl(self):
+        """Test that an image with a Rockchip TPL binary can be created"""
+        data = self._DoReadFile('277_rockchip_tpl.dts')
+        self.assertEqual(ROCKCHIP_TPL_DATA, data[:len(ROCKCHIP_TPL_DATA)])
+
 
 if __name__ == "__main__":
     unittest.main()

tools/binman/missing-blob-help

@@ -34,6 +34,11 @@ If CONFIG_WDT_K3_RTI_LOAD_FW is enabled, a firmware image is needed for
 the R5F core(s) to trigger the system reset. One possible source is
 https://github.com/siemens/k3-rti-wdt.
 
+rockchip-tpl:
+An external TPL is required to initialize DRAM. Get the external TPL
+binary and build with ROCKCHIP_TPL=/path/to/ddr.bin. One possible source
+for the external TPL binary is https://github.com/rockchip-linux/rkbin.
+
 tee-os:
 See the documentation for your board. You may need to build Open Portable
 Trusted Execution Environment (OP-TEE) with TEE=/path/to/tee.bin

tools/binman/test/277_rockchip_tpl.dts

@@ -0,0 +1,16 @@
+// SPDX-License-Identifier: GPL-2.0+
+
+/dts-v1/;
+
+/ {
+	#address-cells = <1>;
+	#size-cells = <1>;
+
+	binman {
+		size = <16>;
+
+		rockchip-tpl {
+			filename = "rockchip-tpl.bin";
+		};
+	};
+};