diff --git a/tools/binman/README.entries b/tools/binman/README.entries index d17b3cb078fc6c7b1c827449dd42257bef386c01..dba51e6daac8397878d70696706048d3fe76ff17 100644 --- a/tools/binman/README.entries +++ b/tools/binman/README.entries @@ -391,6 +391,25 @@ See README.x86 for information about x86 binary blobs. +Entry: intel-fit: Intel Firmware Image Table (FIT) +-------------------------------------------------- + +This entry contains a dummy FIT as required by recent Intel CPUs. The FIT +contains information about the firmware and microcode available in the +image. + +At present binman only supports a basic FIT with no microcode. + + + +Entry: intel-fit-ptr: Intel Firmware Image Table (FIT) pointer +-------------------------------------------------------------- + +This entry contains a pointer to the FIT. It is required to be at address +0xffffffc0 in the image. + + + Entry: intel-fsp: Entry containing an Intel Firmware Support Package (FSP) file ------------------------------------------------------------------------------- diff --git a/tools/binman/etype/intel_fit.py b/tools/binman/etype/intel_fit.py new file mode 100644 index 0000000000000000000000000000000000000000..23606d27d04ab550c8dbd175c238520294bb4cc1 --- /dev/null +++ b/tools/binman/etype/intel_fit.py @@ -0,0 +1,32 @@ +# SPDX-License-Identifier: GPL-2.0+ +# Copyright (c) 2016 Google, Inc +# Written by Simon Glass +# +# Entry-type module for Intel Firmware Image Table +# + +import struct + +from blob import Entry_blob + +class Entry_intel_fit(Entry_blob): + """Intel Firmware Image Table (FIT) + + This entry contains a dummy FIT as required by recent Intel CPUs. The FIT + contains information about the firmware and microcode available in the + image. + + At present binman only supports a basic FIT with no microcode. + """ + def __init__(self, section, etype, node): + Entry_blob.__init__(self, section, etype, node) + + def ReadNode(self): + """Force 16-byte alignment as required by FIT pointer""" + Entry_blob.ReadNode(self) + self.align = 16 + + def ObtainContents(self): + data = struct.pack('<8sIHBB', '_FIT_ ', 1, 0x100, 0x80, 0x7d) + self.SetContents(data) + return True diff --git a/tools/binman/etype/intel_fit_ptr.py b/tools/binman/etype/intel_fit_ptr.py new file mode 100644 index 0000000000000000000000000000000000000000..148b206c3c6ca638a80a7e50cc4cd86151aedeec --- /dev/null +++ b/tools/binman/etype/intel_fit_ptr.py @@ -0,0 +1,41 @@ +# SPDX-License-Identifier: GPL-2.0+ +# Copyright (c) 2016 Google, Inc +# Written by Simon Glass +# +# Entry-type module for a pointer to an Intel Firmware Image Table +# + +import struct + +from blob import Entry_blob + +class Entry_intel_fit_ptr(Entry_blob): + """Intel Firmware Image Table (FIT) pointer + + This entry contains a pointer to the FIT. It is required to be at address + 0xffffffc0 in the image. + """ + def __init__(self, section, etype, node): + Entry_blob.__init__(self, section, etype, node) + if self.HasSibling('intel-fit') is False: + self.Raise("'intel-fit-ptr' section must have an 'intel-fit' sibling") + + def _GetContents(self): + fit_pos = self.GetSiblingImagePos('intel-fit') + return struct.pack('; + #size-cells = <1>; + + binman { + end-at-4gb; + size = <0x80>; + + u-boot { + }; + + intel-fit { + }; + + intel-fit-ptr { + }; + }; +}; diff --git a/tools/binman/test/148_intel_fit_missing.dts b/tools/binman/test/148_intel_fit_missing.dts new file mode 100644 index 0000000000000000000000000000000000000000..388c76b1ab548a4053ece85b9ecc3c66c6a21c88 --- /dev/null +++ b/tools/binman/test/148_intel_fit_missing.dts @@ -0,0 +1,17 @@ +/dts-v1/; + +/ { + #address-cells = <1>; + #size-cells = <1>; + + binman { + end-at-4gb; + size = <0x80>; + + u-boot { + }; + + intel-fit-ptr { + }; + }; +};