feat: cm3 64 bits OS

This modifies kernel source and creates the machine

classes/sdcard_image-rpi.bbclass

@@ -36,6 +36,7 @@ KERNEL_INITRAMFS ?= ""
 SDIMG_KERNELIMAGE_raspberrypi  ?= "kernel.img"
 SDIMG_KERNELIMAGE_raspberrypi2 ?= "kernel7.img"
 SDIMG_KERNELIMAGE_raspberrypi3-64 ?= "kernel8.img"
+SDIMG_KERNELIMAGE_raspberrypi-cm3-64 ?= "kernel8.img"
 
 # Boot partition volume id
 BOOTDD_VOLUME_ID ?= "${MACHINE}"

conf/machine/raspberrypi-cm3-64.conf

@@ -0,0 +1,41 @@
+#@TYPE: Machine
+#@NAME: RaspberryPi 3 Development Board
+#@DESCRIPTION: Machine configuration for the RaspberryPi 3 in 64 bits mode
+
+MACHINEOVERRIDES = "raspberrypi2:${MACHINE}"
+
+MACHINE_EXTRA_RRECOMMENDS += "linux-firmware-bcm43430"
+
+require conf/machine/include/arm/arch-armv8.inc
+include conf/machine/include/rpi-base.inc
+
+KERNEL_DEVICETREE = " \
+    broadcom/bcm2837-rpi-cm3.dtb \
+    \
+    overlays/hifiberry-amp.dtbo \
+    overlays/hifiberry-dac.dtbo \
+    overlays/hifiberry-dacplus.dtbo \
+    overlays/hifiberry-digi.dtbo \
+    overlays/i2c-rtc.dtbo \
+    overlays/iqaudio-dac.dtbo \
+    overlays/iqaudio-dacplus.dtbo \
+    overlays/lirc-rpi.dtbo \
+    overlays/pitft22.dtbo \
+    overlays/pitft28-resistive.dtbo \
+    overlays/pitft35-resistive.dtbo \
+    overlays/pps-gpio.dtbo \
+    overlays/rpi-ft5406.dtbo \
+    overlays/w1-gpio.dtbo \
+    overlays/w1-gpio-pullup.dtbo \
+    overlays/pi3-disable-bt.dtbo \
+    overlays/pi3-miniuart-bt.dtbo \
+    overlays/vc4-kms-v3d.dtbo \
+    overlays/vc4-fkms-v3d.dtbo \
+    "
+
+SERIAL_CONSOLE ?= "115200 ttyS0"
+#VC4_CMA_SIZE ?= "cma-256"
+
+UBOOT_MACHINE = "rpi_3_config"
+#MACHINE_FEATURES_append = " vc4graphics"
+KERNEL_DEFCONFIG ?= "bcmrpi3_defconfig"

recipes-kernel/linux/linux-raspberrypi.inc

@@ -16,6 +16,7 @@ KBUILD_DEFCONFIG_raspberrypi ?= "bcmrpi_defconfig"
 KBUILD_DEFCONFIG_raspberrypi2 ?= "bcm2709_defconfig"
 KBUILD_DEFCONFIG_raspberrypi3 ?= "bcm2709_defconfig"
 KBUILD_DEFCONFIG_raspberrypi3-64 ?= "bcmrpi3_defconfig"
+KBUILD_DEFCONFIG_raspberrypi-cm3-64 ?= "bcmrpi3_defconfig"
 
 # CMDLINE for raspberrypi
 CMDLINE ?= "dwc_otg.lpm_enable=0 console=serial0,115200 root=/dev/mmcblk0p2 rootfstype=ext4 rootwait"

recipes-kernel/linux/linux-raspberrypi_4.9.bb

@@ -1,9 +1,9 @@
 FILESEXTRAPATHS_prepend := "${THISDIR}/${PN}-${PV}:"
 
-LINUX_VERSION ?= "4.9.50"
+LINUX_VERSION ?= "4.9.52"
 
-SRCREV = "46e2d4d1bd2c17e2f84dd90768321ee0bbaa6b8a"
-SRC_URI = "git://github.com/raspberrypi/linux.git;branch=rpi-4.9.y"
+SRCREV = "19577521f46c188a592f44cb311c0d421b0c9d93"
+SRC_URI = "git://github.com/synapticon/linux.git;branch=cm3_64"
 
 require linux-raspberrypi.inc