blob: 6fb3a1bcc3d8b8c86c02369e4c9335a5dfacaf5f [file] [log] [blame]
SUMMARY = "cmdline.txt file used to boot the kernel on a Raspberry Pi device"
LICENSE = "MIT"
LIC_FILES_CHKSUM = "file://${COMMON_LICENSE_DIR}/MIT;md5=0835ade698e0bcf8506ecda2f7b4f302"
COMPATIBLE_MACHINE = "^rpi$"
INHIBIT_DEFAULT_DEPS = "1"
inherit deploy nopackages
CMDLINE_DWC_OTG ?= "dwc_otg.lpm_enable=0"
CMDLINE_ROOT_FSTYPE ?= "rootfstype=ext4"
CMDLINE_ROOTFS ?= "root=/dev/mmcblk0p2 ${CMDLINE_ROOT_FSTYPE} rootwait"
CMDLINE_SERIAL ?= "${@oe.utils.conditional("ENABLE_UART", "1", "console=serial0,115200", "", d)}"
CMDLINE_CMA ?= "${@oe.utils.conditional("RASPBERRYPI_CAMERA_V2", "1", "cma=64M", "", d)}"
CMDLINE_CMA ?= "${@oe.utils.conditional("RASPBERRYPI_HD_CAMERA", "1", "cma=64M", "", d)}"
CMDLINE_PITFT ?= "${@bb.utils.contains("MACHINE_FEATURES", "pitft", "fbcon=map:10 fbcon=font:VGA8x8", "", d)}"
# Add the kernel debugger over console kernel command line option if enabled
CMDLINE_KGDB ?= '${@oe.utils.conditional("ENABLE_KGDB", "1", "kgdboc=serial0,115200", "", d)}'
# Disable rpi logo on boot
CMDLINE_LOGO ?= '${@oe.utils.conditional("DISABLE_RPI_BOOT_LOGO", "1", "logo.nologo", "", d)}'
# You can define CMDLINE_DEBUG as "debug" in your local.conf or distro.conf
# to enable kernel debugging.
CMDLINE_DEBUG ?= ""
# Add a request to isolate processors from the Linux scheduler. ISOLATED_CPUS
# may have the form of a comma separated list of processor numbers "0,1,3", a
# range "0-2", a combination of the two "0-1,3", or a single processor you may
# not specify ALL processors simultaneously
def setup_isolcpus(d):
string = ""
if d.getVar('ISOLATED_CPUS'):
string = 'isolcpus=' + d.getVar('ISOLATED_CPUS')
return string
CMDLINE_ISOL_CPUS ?= "${@setup_isolcpus(d)}"
# Add RNDIS capabilities (must be after rootwait)
# example:
# CMDLINE_RNDIS = "modules-load=dwc2,g_ether g_ether.host_addr=<some MAC
# address> g_ether.dev_addr=<some MAC address>"
# if the MAC addresses are omitted, random values will be used
CMDLINE_RNDIS ?= ""
CMDLINE = " \
${CMDLINE_ISOL_CPUS} \
${CMDLINE_DWC_OTG} \
${CMDLINE_SERIAL} \
${CMDLINE_ROOTFS} \
${CMDLINE_CMA} \
${CMDLINE_KGDB} \
${CMDLINE_LOGO} \
${CMDLINE_PITFT} \
${CMDLINE_DEBUG} \
${CMDLINE_RNDIS} \
"
do_compile() {
echo "${@' '.join(d.getVar('CMDLINE').split())}" > "${WORKDIR}/cmdline.txt"
}
do_deploy() {
install -d "${DEPLOYDIR}/${BOOTFILES_DIR_NAME}"
install -m 0644 "${WORKDIR}/cmdline.txt" "${DEPLOYDIR}/${BOOTFILES_DIR_NAME}"
}
addtask deploy before do_build after do_install
do_deploy[dirs] += "${DEPLOYDIR}/${BOOTFILES_DIR_NAME}"
PACKAGE_ARCH = "${MACHINE_ARCH}"