binman: Add support for PowerPC mpc85xx 'bootpg + resetvec' entry

This entry contains the PowerPC mpc85xx boot page and resetvec
sections.

Signed-off-by: Jagdish Gediya <jagdish.gediya@nxp.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
Reviewed-by: York Sun <york.sun@nxp.com>

tools/binman/README.entries

@@ -221,6 +221,18 @@ See README.x86 for information about Intel binary blobs.
 
 
 
+Entry: powerpc-mpc85xx-bootpg-resetvec: PowerPC mpc85xx bootpg + resetvec code for U-Boot
+-----------------------------------------------------------------------------------------
+
+Properties / Entry arguments:
+    - filename: Filename of u-boot-br.bin (default 'u-boot-br.bin')
+
+This enrty is valid for PowerPC mpc85xx cpus. This entry holds
+'bootpg + resetvec' code for PowerPC mpc85xx CPUs which needs to be
+placed at offset 'RESET_VECTOR_ADDRESS - 0xffc'.
+
+
+
 Entry: section: Entry that contains other entries
 -------------------------------------------------
 
@@ -543,7 +555,7 @@ Properties / Entry arguments:
     - kernelkey: Name of the kernel key to use (inside keydir)
     - preamble-flags: Value of the vboot preamble flags (typically 0)
 
-Chromium OS  signs the read-write firmware and kernel, writing the signature
+Chromium OS signs the read-write firmware and kernel, writing the signature
 in this block. This allows U-Boot to verify that the next firmware stage
 and kernel are genuine.
 

tools/binman/etype/powerpc_mpc85xx_bootpg_resetvec.py

@@ -0,0 +1,25 @@
+# SPDX-License-Identifier: GPL-2.0+
+# Copyright 2018 NXP
+#
+# Entry-type module for the PowerPC mpc85xx bootpg and resetvec code for U-Boot
+#
+
+from entry import Entry
+from blob import Entry_blob
+
+class Entry_powerpc_mpc85xx_bootpg_resetvec(Entry_blob):
+    """PowerPC mpc85xx bootpg + resetvec code for U-Boot
+
+    Properties / Entry arguments:
+        - filename: Filename of u-boot-br.bin (default 'u-boot-br.bin')
+
+    This enrty is valid for PowerPC mpc85xx cpus. This entry holds
+    'bootpg + resetvec' code for PowerPC mpc85xx CPUs which needs to be
+    placed at offset 'RESET_VECTOR_ADDRESS - 0xffc'.
+    """
+
+    def __init__(self, section, etype, node):
+        Entry_blob.__init__(self, section, etype, node)
+
+    def GetDefaultFilename(self):
+        return 'u-boot-br.bin'

tools/binman/ftest.py

@@ -39,6 +39,7 @@ U_BOOT_SPL_DTB_DATA   = 'spldtb'
 U_BOOT_TPL_DTB_DATA   = 'tpldtb'
 X86_START16_DATA      = 'start16'
 X86_START16_SPL_DATA  = 'start16spl'
+PPC_MPC85XX_BR_DATA   = 'ppcmpc85xxbr'
 U_BOOT_NODTB_DATA     = 'nodtb with microcode pointer somewhere in here'
 U_BOOT_SPL_NODTB_DATA = 'splnodtb with microcode pointer somewhere in here'
 FSP_DATA              = 'fsp'
@@ -90,6 +91,7 @@ class TestFunctional(unittest.TestCase):
         TestFunctional._MakeInputFile('vga.bin', VGA_DATA)
         self._ResetDtbs()
         TestFunctional._MakeInputFile('u-boot-x86-16bit.bin', X86_START16_DATA)
+        TestFunctional._MakeInputFile('u-boot-br.bin', PPC_MPC85XX_BR_DATA)
         TestFunctional._MakeInputFile('spl/u-boot-x86-16bit-spl.bin',
                                       X86_START16_SPL_DATA)
         TestFunctional._MakeInputFile('u-boot-nodtb.bin', U_BOOT_NODTB_DATA)
@@ -764,6 +766,12 @@ class TestFunctional(unittest.TestCase):
         data = self._DoReadFile('33_x86-start16.dts')
         self.assertEqual(X86_START16_DATA, data[:len(X86_START16_DATA)])
 
+    def testPackPowerpcMpc85xxBootpgResetvec(self):
+        """Test that an image with powerpc-mpc85xx-bootpg-resetvec can be
+        created"""
+        data = self._DoReadFile('81_powerpc_mpc85xx_bootpg_resetvec.dts')
+        self.assertEqual(PPC_MPC85XX_BR_DATA, data[:len(PPC_MPC85XX_BR_DATA)])
+
     def _RunMicrocodeTest(self, dts_fname, nodtb_data, ucode_second=False):
         """Handle running a test for insertion of microcode
 

tools/binman/test/81_powerpc_mpc85xx_bootpg_resetvec.dts

@@ -0,0 +1,16 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Copyright 2018 NXP
+ */
+
+/dts-v1/;
+
+/ {
+	#address-cells = <1>;
+	#size-cells = <1>;
+
+	binman {
+		powerpc-mpc85xx-bootpg-resetvec {
+		};
+	};
+};