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Diffstat (limited to 'meta/classes-recipe/uboot-config.bbclass')
| -rw-r--r-- | meta/classes-recipe/uboot-config.bbclass | 148 |
1 files changed, 148 insertions, 0 deletions
diff --git a/meta/classes-recipe/uboot-config.bbclass b/meta/classes-recipe/uboot-config.bbclass new file mode 100644 index 0000000000..e55fc38b7c --- /dev/null +++ b/meta/classes-recipe/uboot-config.bbclass @@ -0,0 +1,148 @@ +# Handle U-Boot config for a machine +# +# The format to specify it, in the machine, is: +# +# UBOOT_CONFIG ??= <default> +# UBOOT_CONFIG[foo] = "config,images,binary" +# +# or +# +# UBOOT_MACHINE = "config" +# +# Copyright 2013, 2014 (C) O.S. Systems Software LTDA. +# +# SPDX-License-Identifier: MIT + + +def removesuffix(s, suffix): + if suffix and s.endswith(suffix): + return s[:-len(suffix)] + return s + +UBOOT_ENTRYPOINT ?= "20008000" +UBOOT_LOADADDRESS ?= "${UBOOT_ENTRYPOINT}" + +# Some versions of u-boot use .bin and others use .img. By default use .bin +# but enable individual recipes to change this value. +UBOOT_SUFFIX ??= "bin" +UBOOT_BINARY ?= "u-boot.${UBOOT_SUFFIX}" +UBOOT_BINARYNAME ?= "${@os.path.splitext(d.getVar("UBOOT_BINARY"))[0]}" +UBOOT_IMAGE ?= "${UBOOT_BINARYNAME}-${MACHINE}-${PV}-${PR}.${UBOOT_SUFFIX}" +UBOOT_SYMLINK ?= "${UBOOT_BINARYNAME}-${MACHINE}.${UBOOT_SUFFIX}" +UBOOT_MAKE_TARGET ?= "all" + +# Output the ELF generated. Some platforms can use the ELF file and directly +# load it (JTAG booting, QEMU) additionally the ELF can be used for debugging +# purposes. +UBOOT_ELF ?= "" +UBOOT_ELF_SUFFIX ?= "elf" +UBOOT_ELF_IMAGE ?= "u-boot-${MACHINE}-${PV}-${PR}.${UBOOT_ELF_SUFFIX}" +UBOOT_ELF_BINARY ?= "u-boot.${UBOOT_ELF_SUFFIX}" +UBOOT_ELF_SYMLINK ?= "u-boot-${MACHINE}.${UBOOT_ELF_SUFFIX}" + +# Some versions of u-boot build an SPL (Second Program Loader) image that +# should be packaged along with the u-boot binary as well as placed in the +# deploy directory. For those versions they can set the following variables +# to allow packaging the SPL. +SPL_SUFFIX ?= "" +SPL_BINARY ?= "" +SPL_DELIMITER ?= "${@'.' if d.getVar("SPL_SUFFIX") else ''}" +SPL_BINARYFILE ?= "${@os.path.basename(d.getVar("SPL_BINARY"))}" +SPL_BINARYNAME ?= "${@removesuffix(d.getVar("SPL_BINARYFILE"), "." + d.getVar("SPL_SUFFIX"))}" +SPL_IMAGE ?= "${SPL_BINARYNAME}-${MACHINE}-${PV}-${PR}${SPL_DELIMITER}${SPL_SUFFIX}" +SPL_SYMLINK ?= "${SPL_BINARYNAME}-${MACHINE}${SPL_DELIMITER}${SPL_SUFFIX}" + +# Additional environment variables or a script can be installed alongside +# u-boot to be used automatically on boot. This file, typically 'uEnv.txt' +# or 'boot.scr', should be packaged along with u-boot as well as placed in the +# deploy directory. Machine configurations needing one of these files should +# include it in the SRC_URI and set the UBOOT_ENV parameter. +UBOOT_ENV_SUFFIX ?= "txt" +UBOOT_ENV ?= "" +UBOOT_ENV_SRC_SUFFIX ?= "cmd" +UBOOT_ENV_SRC ?= "${UBOOT_ENV}.${UBOOT_ENV_SRC_SUFFIX}" +UBOOT_ENV_BINARY ?= "${UBOOT_ENV}.${UBOOT_ENV_SUFFIX}" +UBOOT_ENV_IMAGE ?= "${UBOOT_ENV}-${MACHINE}-${PV}-${PR}.${UBOOT_ENV_SUFFIX}" +UBOOT_ENV_SYMLINK ?= "${UBOOT_ENV}-${MACHINE}.${UBOOT_ENV_SUFFIX}" + +# U-Boot EXTLINUX variables. U-Boot searches for /boot/extlinux/extlinux.conf +# to find EXTLINUX conf file. +UBOOT_EXTLINUX_INSTALL_DIR ?= "/boot/extlinux" +UBOOT_EXTLINUX_CONF_NAME ?= "extlinux.conf" +UBOOT_EXTLINUX_SYMLINK ?= "${UBOOT_EXTLINUX_CONF_NAME}-${MACHINE}-${PR}" + +# Options for the device tree compiler passed to mkimage '-D' feature: +UBOOT_MKIMAGE_DTCOPTS ??= "" +SPL_MKIMAGE_DTCOPTS ??= "" + +# mkimage command +UBOOT_MKIMAGE ?= "uboot-mkimage" +UBOOT_MKIMAGE_SIGN ?= "${UBOOT_MKIMAGE}" + +# Signature activation - this requires KERNEL_IMAGETYPE = "fitImage" +UBOOT_SIGN_ENABLE ?= "0" + +# Arguments passed to mkimage for signing +UBOOT_MKIMAGE_SIGN_ARGS ?= "" +SPL_MKIMAGE_SIGN_ARGS ?= "" + +# Options to deploy the u-boot device tree +UBOOT_DTB ?= "" +UBOOT_DTB_BINARY ??= "" + +# uboot-fit_check_sign command +UBOOT_FIT_CHECK_SIGN ?= "uboot-fit_check_sign" + +python () { + ubootmachine = d.getVar("UBOOT_MACHINE") + ubootconfigflags = d.getVarFlags('UBOOT_CONFIG') + ubootbinary = d.getVar('UBOOT_BINARY') + ubootbinaries = d.getVar('UBOOT_BINARIES') + # The "doc" varflag is special, we don't want to see it here + ubootconfigflags.pop('doc', None) + ubootconfig = (d.getVar('UBOOT_CONFIG') or "").split() + + if not ubootmachine and not ubootconfig: + PN = d.getVar("PN") + FILE = os.path.basename(d.getVar("FILE")) + bb.debug(1, "To build %s, see %s for instructions on \ + setting up your machine config" % (PN, FILE)) + raise bb.parse.SkipRecipe("Either UBOOT_MACHINE or UBOOT_CONFIG must be set in the %s machine configuration." % d.getVar("MACHINE")) + + if ubootmachine and ubootconfig: + raise bb.parse.SkipRecipe("You cannot use UBOOT_MACHINE and UBOOT_CONFIG at the same time.") + + if ubootconfigflags and ubootbinaries: + raise bb.parse.SkipRecipe("You cannot use UBOOT_BINARIES as it is internal to uboot_config.bbclass.") + + if len(ubootconfig) > 0: + for config in ubootconfig: + found = False + for f, v in ubootconfigflags.items(): + if config == f: + found = True + items = v.split(',') + if items[0] and len(items) > 3: + raise bb.parse.SkipRecipe('Only config,images,binary can be specified!') + d.appendVar('UBOOT_MACHINE', ' ' + items[0]) + # IMAGE_FSTYPES appending + if len(items) > 1 and items[1]: + bb.debug(1, "Appending '%s' to IMAGE_FSTYPES." % items[1]) + d.appendVar('IMAGE_FSTYPES', ' ' + items[1]) + if len(items) > 2 and items[2]: + bb.debug(1, "Appending '%s' to UBOOT_BINARIES." % items[2]) + d.appendVar('UBOOT_BINARIES', ' ' + items[2]) + else: + bb.debug(1, "Appending '%s' to UBOOT_BINARIES." % ubootbinary) + d.appendVar('UBOOT_BINARIES', ' ' + ubootbinary) + break + + if not found: + raise bb.parse.SkipRecipe("The selected UBOOT_CONFIG key %s has no match in %s." % (ubootconfig, ubootconfigflags.keys())) + + if len(ubootconfig) == 1: + d.setVar('KCONFIG_CONFIG_ROOTDIR', os.path.join(d.getVar("B"), d.getVar("UBOOT_MACHINE").strip())) + else: + # Disable menuconfig for multiple configs + d.setVar('KCONFIG_CONFIG_ENABLE_MENUCONFIG', "false") +} |