| # 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") |
| } |