DESCRIPTION = "Linux kernel for the R-Car Generation 3 based board"

require include/avb-control.inc
require include/iccom-control.inc
require recipes-kernel/linux/linux-yocto.inc
require include/cas-control.inc
require include/adsp-control.inc

FILESEXTRAPATHS_prepend := "${THISDIR}/${PN}/:"
COMPATIBLE_MACHINE = "salvator-x|h3ulcb|m3ulcb|m3nulcb|ebisu"

RENESAS_BSP_URL = " \
    git://github.com/renesas-rcar/linux-bsp.git"
BRANCH = "v4.14.75-ltsi/rcar-3.9.7"
SRCREV = "59ccbcefaebb4a33110e11fb87f3811cd59f192d"

SRC_URI = "${RENESAS_BSP_URL};protocol=git;nocheckout=1;branch=${BRANCH}"

LIC_FILES_CHKSUM = "file://COPYING;md5=d7810fab7487fb0aad327b76f1be7cd7"

# Fix inaccessible SSI for Renesas ADSP firmware
SRC_URI_append = " \
    file://0001-Revert-ASoC-rsnd-ssi-wait-maximum-5ms-for-status-che.patch \
"

LINUX_VERSION ?= "4.14.75"
PV = "${LINUX_VERSION}+git${SRCPV}"
PR = "r1"

# For generating defconfig
KCONFIG_MODE = "--alldefconfig"
KBUILD_DEFCONFIG = "defconfig"

SRC_URI_append = " \
    file://touch.cfg \
    ${@oe.utils.conditional("USE_AVB", "1", " file://usb-video-class.cfg", "", d)} \
"

# Add python3 support to fix Perf build failure
SRC_URI_append = " \
    file://0001-perf-tools-Add-Python-3-support.patch \
"

# Fix patch for Weston 8.0.0 issue
SRC_URI_append = " \
    file://0001-drm-rcar-du-Set-primary-plane-zpos-immutably-at-init.patch \
"

# Enable RPMSG_VIRTIO depend on ICCOM
SUPPORT_ICCOM = " \
    file://0001-rpmsg-Add-message-to-be-able-to-configure-RPMSG_VIRT.patch \
    file://iccom.cfg \
"

SRC_URI_append = " \
    ${@oe.utils.conditional("USE_ICCOM", "1", "${SUPPORT_ICCOM}", "", d)} \
"

# Add SCHED_DEBUG config fragment to support CAS
SRC_URI_append = " \
    ${@oe.utils.conditional("USE_CAS", "1", " file://capacity_aware_migration_strategy.cfg", "",d)} \
"

# Add ADSP ALSA driver
SUPPORT_ADSP_ASOC = " \
    file://0001-ADSP-add-document-for-compatible-string-renesas-rcar.patch \
    file://0002-ADSP-add-ADSP-sound-driver-source.patch \
    file://0003-ADSP-add-build-for-ADSP-sound-driver.patch \
    file://0004-ADSP-integrate-ADSP-sound-for-H3-M3-M3N-board.patch \
    file://0005-ADSP-integrate-ADSP-sound-for-E3-board.patch \
    file://0006-ADSP-remove-HDMI-support-from-rcar-sound.patch \
    file://adsp.cfg \
"

SRC_URI_append = " \
    ${@oe.utils.conditional("USE_ADSP", "1", "${SUPPORT_ADSP_ASOC}", "", d)} \
"

# Install USB3.0 firmware to rootfs
USB3_FIRMWARE_V2 = "https://git.kernel.org/pub/scm/linux/kernel/git/firmware/linux-firmware.git/plain/r8a779x_usb3_v2.dlmem;md5sum=645db7e9056029efa15f158e51cc8a11"
USB3_FIRMWARE_V3 = "https://git.kernel.org/pub/scm/linux/kernel/git/firmware/linux-firmware.git/plain/r8a779x_usb3_v3.dlmem;md5sum=687d5d42f38f9850f8d5a6071dca3109"

SRC_URI_append = " \
    ${USB3_FIRMWARE_V2} \
    ${USB3_FIRMWARE_V3} \
    ${@bb.utils.contains('MACHINE_FEATURES','usb3','file://usb3.cfg','',d)} \
"

# W/A Fix build issue with Linux v4.14
SRC_URI_append = " \
    file://0001-arm64-bpf-correct-broken-uapi-for-BPF_PROG_TYPE_PERF.patch \
"

do_download_firmware () {
    install -m 755 ${WORKDIR}/r8a779x_usb3_v*.dlmem ${STAGING_KERNEL_DIR}/firmware
}

addtask do_download_firmware after do_configure before do_compile