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RPI_USE_U_BOOT_sota = "1"
KERNEL_CLASSES_append_sota = " kernel-fitimage"
KERNEL_IMAGETYPE_sota = "fitImage"
INITRAMFS_FSTYPES = "cpio.gz"
OSTREE_KERNEL = "${KERNEL_IMAGETYPE}-${INITRAMFS_IMAGE}-${MACHINE}-${KERNEL_FIT_LINK_NAME}"
# DTB needs to be relocated to apply overlays
UBOOT_DTB_LOADADDRESS = "0x05000000"
UBOOT_DTBO_LOADADDRESS = "0x06000000"
# Deploy config fragment list to OSTree root fs
IMAGE_INSTALL_append = " fit-conf"
DEV_MATCH_DIRECTIVE_pn-networkd-dhcp-conf = "Driver=smsc95xx lan78xx"
IMAGE_INSTALL_append_sota = " network-configuration "
PREFERRED_PROVIDER_virtual/bootloader_sota ?= "u-boot"
UBOOT_ENTRYPOINT_sota ?= "0x00080000"
IMAGE_FSTYPES_remove_sota = "rpi-sdimg"
OSTREE_BOOTLOADER ?= "u-boot"
def make_dtb_boot_files(d):
# Generate IMAGE_BOOT_FILES entries for device tree files listed in
# KERNEL_DEVICETREE.
#
# This function was taken from conf/machine/include/rpi-base.inc in
# meta-raspberrypi
alldtbs = d.getVar('KERNEL_DEVICETREE')
imgtyp = d.getVar('KERNEL_IMAGETYPE')
def transform(dtb):
base = os.path.basename(dtb)
if dtb.endswith('dtb'):
return base
elif dtb.endswith('dtbo'):
return '{};{}'.format(base, dtb)
return ' '.join([transform(dtb) for dtb in alldtbs.split(' ') if dtb])
IMAGE_BOOT_FILES_sota = "${BOOTFILES_DIR_NAME}/* \
u-boot.bin;${SDIMG_KERNELIMAGE} \
"
# OSTree puts its own boot.scr in ${BOOTFILES_DIR_NAME} (historically
# bcm2835-bootfiles, now just bootfiles).
# rpi4 and recent rpi3 firmwares needs dtb in /boot partition
# so that they can be read by the firmware
IMAGE_BOOT_FILES_append_sota = "${@make_dtb_boot_files(d)}"
# Just the overlays that will be used should be listed
KERNEL_DEVICETREE_raspberrypi2_sota ?= " bcm2709-rpi-2-b.dtb "
KERNEL_DEVICETREE_raspberrypi3_sota ?= " bcm2710-rpi-3-b.dtb overlays/vc4-kms-v3d.dtbo overlays/rpi-ft5406.dtbo"
KERNEL_DEVICETREE_raspberrypi3-64_sota ?= " broadcom/bcm2710-rpi-3-b.dtb overlays/vc4-kms-v3d.dtbo overlays/vc4-fkms-v3d.dtbo overlays/rpi-ft5406.dtbo"
KERNEL_DEVICETREE_raspberrypi4_sota ?= " bcm2711-rpi-4-b.dtb overlays/vc4-fkms-v3d.dtbo overlays/uart0-rpi4.dtbo"
KERNEL_DEVICETREE_raspberrypi4-64_sota ?= " broadcom/bcm2711-rpi-4-b.dtb overlays/vc4-fkms-v3d.dtbo overlays/uart0-rpi4.dtbo"
SOTA_MAIN_DTB_raspberrypi2 ?= "bcm2709-rpi-2-b.dtb"
SOTA_MAIN_DTB_raspberrypi3 ?= "bcm2710-rpi-3-b.dtb"
SOTA_MAIN_DTB_raspberrypi3-64 ?= "broadcom_bcm2710-rpi-3-b.dtb"
SOTA_MAIN_DTB_raspberrypi4_sota ?= "bcm2711-rpi-4-b.dtb"
SOTA_MAIN_DTB_raspberrypi4-64_sota ?= "broadcom_bcm2711-rpi-4-b.dtb"
SOTA_DT_OVERLAYS_raspberrypi3 ?= "vc4-kms-v3d.dtbo rpi-ft5406.dtbo"
SOTA_DT_OVERLAYS_raspberrypi3-64 ?= "vc4-kms-v3d.dtbo vc4-fkms-v3d.dtbo rpi-ft5406.dtbo"
SOTA_DT_OVERLAYS_raspberrypi4 ?= "vc4-fkms-v3d.dtbo uart0-rpi4.dtbo"
SOTA_DT_OVERLAYS_raspberrypi4-64 ?= "vc4-fkms-v3d.dtbo uart0-rpi4.dtbo"
# Kernel args normally provided by RPi's internal bootloader. Non-updateable
OSTREE_KERNEL_ARGS_sota ?= " 8250.nr_uarts=1 bcm2708_fb.fbwidth=656 bcm2708_fb.fbheight=614 bcm2708_fb.fbswap=1 vc_mem.mem_base=0x3ec00000 vc_mem.mem_size=0x40000000 dwc_otg.lpm_enable=0 console=ttyS0,115200 usbhid.mousepoll=0 "
SOTA_CLIENT_FEATURES_append = " ubootenv"
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