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SUMMARY = "Initial bootstrap for AT91 ARM MPUs"
DESCRIPTION = " \
at91bootstrap is the second-level bootloader for Atmel AT91 \
SoCs. It provides a set of algorithms to manage the hardware \
initialization and to download the main application (or a \
third-level bootloader) from specified boot media to \
main memory and start it. \
"
AUTHOR = "Atmel Corporation"
HOMEPAGE = "http://www.at91.com/linux4sam/bin/view/Linux4SAM/AT91Bootstrap"
BUGTRACKER = "https://github.com/linux4sam/at91bootstrap/issues"
SECTION = "bootloaders"
LICENSE = "ATMEL"
LIC_FILES_CHKSUM = "file://main.c;endline=27;md5=42f86d2f6fd17d1221c5c651b487a07f"
inherit cml1 deploy
# TODO: python2: use python3
inherit python-dir pythonnative
SRC_URI_append = " \
file://defconfig \
file://onetime-slow-clock-switch.patch \
file://0003-disable-rtc-interrupts.patch \
file://at91sam9x5_4bit_pmecc_header.bin \
"
SRC_URI_append_mtrv1 = " file://0001-mtrv1-DDRlowDriveStrength.patch \
file://defconfig.mtr \
file://0005-at91bootstrap-3.8-mtr.patch \
"
SRC_URI_append_mtr = " file://defconfig.mtr \
file://0005-at91bootstrap-3.8-mtr.patch \
"
SRC_URI_append_mtre = " file://0001-mtrv1-DDRlowDriveStrength.patch \
file://defconfig.mtr \
file://0005-at91bootstrap-3.8-mtr.patch \
"
SRC_URI_append_mtcdt = " file://0005-at91bootstrap-3.8-mtcdt.patch "
SRC_URI_append_mtcap = " file://0005-at91bootstrap-3.8-mtcap.patch "
DEPENDS += "bc-native"
AT91BOOTSTRAP_MACHINE ??= "${MACHINE}"
AT91BOOTSTRAP_CONFIG ??= "${AT91BOOTSTRAP_MACHINE}nf_uboot"
AT91BOOTSTRAP_CONFIG_at91sam9x5ek-sd ??= "${AT91BOOTSTRAP_MACHINE}sd_uboot"
AT91BOOTSTRAP_CONFIG_sama5d3-xplained-sd ??= "${AT91BOOTSTRAP_MACHINE}sd_uboot"
AT91BOOTSTRAP_CONFIG_sama5d4ek ??= "${AT91BOOTSTRAP_MACHINE}nf_uboot_secure"
AT91BOOTSTRAP_CONFIG_sama5d4-xplained ??= "${AT91BOOTSTRAP_MACHINE}nf_uboot_secure"
AT91BOOTSTRAP_CONFIG_sama5d4-xplained-sd ??= "${AT91BOOTSTRAP_MACHINE}sd_uboot_secure"
AT91BOOTSTRAP_CONFIG_sama5d2-xplained ??= "${AT91BOOTSTRAP_MACHINE}-bsrdf_uboot"
AT91BOOTSTRAP_CONFIG_sama5d2-xplained-sd ??= "${AT91BOOTSTRAP_MACHINE}-bsrsd_uboot"
AT91BOOTSTRAP_CONFIG_sama5d27-som1-ek ??= "${AT91BOOTSTRAP_MACHINE}qspi_uboot"
AT91BOOTSTRAP_CONFIG_sama5d27-som1-ek-sd ??= "${AT91BOOTSTRAP_MACHINE}sd_uboot"
AT91BOOTSTRAP_TARGET ??= "${AT91BOOTSTRAP_CONFIG}_defconfig"
AT91BOOTSTRAP_LOAD ??= "nandflashboot-uboot"
AT91BOOTSTRAP_LOAD_at91sam9x5ek-sd ??= "sdboot-uboot"
AT91BOOTSTRAP_LOAD_sama5d2-xplained ??= "dataflashboot-uboot"
AT91BOOTSTRAP_LOAD_sama5d2-xplained-sd ??= "sdboot-uboot"
AT91BOOTSTRAP_LOAD_sama5d27-som1-ek ??= "qspiboot-uboot"
AT91BOOTSTRAP_LOAD_sama5d27-som1-ek-sd ??= "sdboot-uboot"
AT91BOOTSTRAP_LOAD_sama5d3-xplained-sd ??= "sdboot-uboot"
AT91BOOTSTRAP_LOAD_sama5d4-xplained-sd ??= "sdboot-uboot"
AT91BOOTSTRAP_SUFFIX ?= "bin"
AT91BOOTSTRAP_IMAGE ?= "${AT91BOOTSTRAP_MACHINE}-${AT91BOOTSTRAP_LOAD}-${PV}.${PR}.${AT91BOOTSTRAP_SUFFIX}"
AT91BOOTSTRAP_BINARY ?= "at91bootstrap.${AT91BOOTSTRAP_SUFFIX}"
AT91BOOTSTRAP_SYMLINK ?= "at91bootstrap-${AT91BOOTSTRAP_MACHINE}.${AT91BOOTSTRAP_SUFFIX}"
EXTRA_OEMAKE = 'CROSS_COMPILE=${TARGET_PREFIX} REVISION=${PR} CC="${TARGET_PREFIX}gcc ${TOOLCHAIN_OPTIONS}"'
do_configure() {
# Copy board defconfig to .config if .config does not exist. This
# allows recipes to manage the .config themselves in
# do_configure_prepend().
if [ -f "${S}/board/${AT91BOOTSTRAP_MACHINE}/${AT91BOOTSTRAP_TARGET}" ] && [ ! -f "${B}/.config" ]; then
cp "${S}/board/${AT91BOOTSTRAP_MACHINE}/${AT91BOOTSTRAP_TARGET}" "${B}/.config"
fi
# Copy defconfig to .config if .config does not exist. This allows
# recipes to manage the .config themselves in do_configure_prepend()
# and to override default settings with a custom file.
if [[ ${MACHINE} == mtr ]] || [[ ${MACHINE} == mtrv1 ]] || [[ ${MACHINE} == mtre ]] ; then
CTYPE=".mtr"
fi
if [ -f "${WORKDIR}/defconfig${CTYPE}" ] && [ ! -f "${B}/.config" ]; then
cp "${WORKDIR}/defconfig${CTYPE}" "${B}/.config"
fi
if [ ! -f "${S}/.config" ]; then
bbfatal "No config files found"
fi
cml1_do_configure
}
do_compile() {
if [ "${@bb.utils.contains('DISTRO_FEATURES', 'ld-is-gold', 'ld-is-gold', '', d)}" = "ld-is-gold" ] ; then
sed -i 's/$(CROSS_COMPILE)ld$/$(CROSS_COMPILE)ld.bfd/g' ${S}/Makefile
fi
unset CFLAGS CPPFLAGS LDFLAGS
oe_runmake
}
do_deploy () {
install -d ${DEPLOYDIR}
install ${S}/binaries/${AT91BOOTSTRAP_BINARY} ${DEPLOYDIR}/${AT91BOOTSTRAP_IMAGE}
cd ${DEPLOYDIR}
rm -f ${AT91BOOTSTRAP_BINARY} ${AT91BOOTSTRAP_SYMLINK}
ln -sf ${AT91BOOTSTRAP_IMAGE} ${AT91BOOTSTRAP_SYMLINK}
ln -sf ${AT91BOOTSTRAP_IMAGE} ${AT91BOOTSTRAP_BINARY}
# Create a symlink ready for file copy on SD card
rm -f boot.bin BOOT.BIN
ln -sf ${AT91BOOTSTRAP_IMAGE} BOOT.BIN
# Create padded version. Padded version is to be eliminated later.
cp -f ${WORKDIR}/at91sam9x5_4bit_pmecc_header.bin ${DEPLOYDIR}/at91bootstrap_pmecc_padded.bin
cat ${DEPLOYDIR}/${AT91BOOTSTRAP_IMAGE} >> ${DEPLOYDIR}/at91bootstrap_pmecc_padded.bin
}
addtask deploy before do_build after do_compile
PACKAGE_ARCH = "${MACHINE_ARCH}"
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