aarch64-rpi4: Initial feature for support RasPi4

features.in/aarch64-rpi4/README

+Настраивает систему для Raspberry Pi 4
+

features.in/aarch64-rpi4/config.mk

+
+ifeq (,$(filter-out aarch64,$(ARCH)))
+use/aarch64-rpi4: use/bootloader/uboot
+	@$(call add_feature)
+	@$(call set,KFLAVOURS,rpi-def rpi-un)
+	@$(call add,THE_PACKAGES,u-boot-tools)
+endif

features.in/aarch64-rpi4/image-scripts.d/97-gen-uboot-env

+#!/bin/sh -efu
+
+(
+cat << 'EOF'
+arch=arm
+baudrate=115200
+board=rpi
+board_name=4 Model B
+board_rev=0x11
+board_rev_scheme=1
+board_revision=0xC03111
+boot_a_script=load ${devtype} ${devnum}:${distro_bootpart} ${scriptaddr} ${prefix}${script}; source ${scriptaddr}
+boot_efi_binary=if fdt addr ${fdt_addr_r}; then bootefi bootmgr ${fdt_addr_r};else bootefi bootmgr ${fdtcontroladdr};fi;load ${devtype} ${devnum}:${distro_bootpart} ${kernel_addr_r} efi/boot/bootaa64.efi; if fdt addr ${fdt_addr_r}; then bootefi ${kernel_addr_r} ${fdt_addr_r};else bootefi ${kernel_addr_r} ${fdtcontroladdr};fi
+boot_extlinux=sysboot ${devtype} ${devnum}:${distro_bootpart} any ${scriptaddr} ${prefix}${boot_syslinux_conf}
+boot_prefixes=/ /boot/
+boot_script_dhcp=boot.scr.uimg
+boot_scripts=boot.scr.uimg boot.scr
+boot_syslinux_conf=extlinux/extlinux.conf
+boot_targets=mmc0 mmc1 pxe dhcp 
+bootcmd=run distro_bootcmd
+bootcmd_dhcp=if dhcp ${scriptaddr} ${boot_script_dhcp}; then source ${scriptaddr}; fi;setenv efi_fdtfile ${fdtfile}; setenv efi_old_vci ${bootp_vci};setenv efi_old_arch ${bootp_arch};setenv bootp_vci PXEClient:Arch:00011:UNDI:003000;setenv bootp_arch 0xb;if dhcp ${kernel_addr_r}; then tftpboot ${fdt_addr_r} dtb/${efi_fdtfile};if fdt addr ${fdt_addr_r}; then bootefi ${kernel_addr_r} ${fdt_addr_r}; else bootefi ${kernel_addr_r} ${fdtcontroladdr};fi;fi;setenv bootp_vci ${efi_old_vci};setenv bootp_arch ${efi_old_arch};setenv efi_fdtfile;setenv efi_old_arch;setenv efi_old_vci;
+bootcmd_mmc0=devnum=0; run mmc_boot
+bootcmd_mmc1=devnum=1; run mmc_boot
+bootcmd_pxe=dhcp; if pxe get; then pxe boot; fi
+bootdelay=2
+cpu=armv8
+dhcpuboot=usb start; dhcp u-boot.uimg; bootm
+distro_bootcmd=for target in ${boot_targets}; do run bootcmd_${target}; done
+efi_dtb_prefixes=/ /dtb/ /dtb/current/
+ethaddr=dc:a6:32:1a:86:f4
+fdt_addr=6000000
+fdt_addr_r=0x06000000
+fdt_high=ffffffffffffffff
+fdtcontroladdr=3af59a70
+fdtfile=bcm2711-rpi-4-b.dtb
+initrd_high=ffffffffffffffff
+kernel_addr_r=0x00080000
+load_efi_dtb=load ${devtype} ${devnum}:${distro_bootpart} ${fdt_addr_r} ${prefix}${efi_fdtfile}
+loadaddr=0x00200000
+mmc_boot=if mmc dev ${devnum}; then devtype=mmc; run scan_dev_for_boot_part; fi
+pxefile_addr_r=0x02500000
+ramdisk_addr_r=0x06100000
+scan_dev_for_boot=echo Scanning ${devtype} ${devnum}:${distro_bootpart}...; for prefix in ${boot_prefixes}; do run scan_dev_for_extlinux; run scan_dev_for_scripts; done;run scan_dev_for_efi;
+scan_dev_for_boot_part=part list ${devtype} ${devnum} -bootable devplist; env exists devplist || setenv devplist 1; for distro_bootpart in ${devplist}; do if fstype ${devtype} ${devnum}:${distro_bootpart} bootfstype; then run scan_dev_for_boot; fi; done; setenv devplist
+scan_dev_for_efi=setenv efi_fdtfile ${fdtfile}; for prefix in ${efi_dtb_prefixes}; do if test -e ${devtype} ${devnum}:${distro_bootpart} ${prefix}${efi_fdtfile}; then run load_efi_dtb; fi;done;if test -e ${devtype} ${devnum}:${distro_bootpart} efi/boot/bootaa64.efi; then echo Found EFI removable media binary efi/boot/bootaa64.efi; run boot_efi_binary; echo EFI LOAD FAILED: continuing...; fi; setenv efi_fdtfile
+scan_dev_for_extlinux=if test -e ${devtype} ${devnum}:${distro_bootpart} ${prefix}${boot_syslinux_conf}; then echo Found ${prefix}${boot_syslinux_conf}; run boot_extlinux; echo SCRIPT FAILED: continuing...; fi
+scan_dev_for_scripts=for script in ${boot_scripts}; do if test -e ${devtype} ${devnum}:${distro_bootpart} ${prefix}${script}; then echo Found U-Boot script ${prefix}${script}; run boot_a_script; echo SCRIPT FAILED: continuing...; fi; done
+scriptaddr=0x02400000
+serial#=100000000a137b9c
+soc=bcm283x
+stderr=serial,vidconsole
+stdin=serial,usbkbd
+stdout=serial,vidconsole
+usbethaddr=dc:a6:32:1a:86:f4
+vendor=raspberrypi
+
+EOF
+) | mkenvimage -s 16384 -o /usr/share/u-boot/rpi_4/uboot.env -