diff options
| -rw-r--r-- | tools/binman/etype/nxp_imx8mimage.py | 74 |
1 files changed, 74 insertions, 0 deletions
diff --git a/tools/binman/etype/nxp_imx8mimage.py b/tools/binman/etype/nxp_imx8mimage.py new file mode 100644 index 00000000000..3585120b79b --- /dev/null +++ b/tools/binman/etype/nxp_imx8mimage.py @@ -0,0 +1,74 @@ +# SPDX-License-Identifier: GPL-2.0+ +# Copyright 2023-2024 Marek Vasut <marex@denx.de> +# Written with much help from Simon Glass <sjg@chromium.org> +# +# Entry-type module for generating the i.MX8M mkimage -T imx8mimage +# configuration file and invocation of mkimage -T imx8mimage on the +# configuration file and input data. +# + +from collections import OrderedDict + +from binman.entry import Entry +from binman.etype.mkimage import Entry_mkimage +from binman.etype.section import Entry_section +from binman import elf +from dtoc import fdt_util +from u_boot_pylib import tools + +class Entry_nxp_imx8mimage(Entry_mkimage): + """NXP i.MX8M imx8mimage .cfg file generator and mkimage invoker + + Properties / Entry arguments: + - nxp,boot-from - device to boot from (e.g. 'sd') + - nxp,loader-address - loader address (SPL text base) + - nxp,rom-version - BootROM version ('2' for i.MX8M Nano and Plus) + """ + + def __init__(self, section, etype, node): + super().__init__(section, etype, node) + self.required_props = ['nxp,boot-from', 'nxp,rom-version', 'nxp,loader-address'] + + def ReadNode(self): + super().ReadNode() + self.boot_from = fdt_util.GetString(self._node, 'nxp,boot-from') + self.loader_address = fdt_util.GetInt(self._node, 'nxp,loader-address') + self.rom_version = fdt_util.GetInt(self._node, 'nxp,rom-version') + self.ReadEntries() + + def BuildSectionData(self, required): + data, input_fname, uniq = self.collect_contents_to_file( + self._entries.values(), 'input') + # Generate mkimage configuration file similar to imx8mimage.cfg + # and pass it to mkimage to generate SPL image for us here. + cfg_fname = tools.get_output_filename('nxp.imx8mimage.cfg.%s' % uniq) + with open(cfg_fname, 'w') as outf: + print('ROM_VERSION v%d' % self.rom_version, file=outf) + print('BOOT_FROM %s' % self.boot_from, file=outf) + print('LOADER %s %#x' % (input_fname, self.loader_address), file=outf) + + output_fname = tools.get_output_filename(f'cfg-out.{uniq}') + args = ['-d', input_fname, '-n', cfg_fname, '-T', 'imx8mimage', + output_fname] + if self.mkimage.run_cmd(*args) is not None: + return tools.read_file(output_fname) + else: + # Bintool is missing; just use the input data as the output + self.record_missing_bintool(self.mkimage) + return data + + def SetImagePos(self, image_pos): + # Customized SoC specific SetImagePos which skips the mkimage etype + # implementation and removes the 0x48 offset introduced there. That + # offset is only used for uImage/fitImage, which is not the case in + # here. + upto = 0x00 + for entry in super().GetEntries().values(): + entry.SetOffsetSize(upto, None) + + # Give up if any entries lack a size + if entry.size is None: + return + upto += entry.size + + Entry_section.SetImagePos(self, image_pos) |