bump version to 2022.02.9

add miyoo_defconfig

board/beaglev/extlinux.conf

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+label linux
+  kernel /boot/Image
+  devicetree /boot/jh7100-beaglev-starlight.dtb
+  append console=ttyS0,115200 earlyprintk root=PARTUUID=0fef845a-c6e1-45bc-82f7-002fa720f958 rootwait

board/beaglev/genimage.cfg

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+image sdcard.img {
+	hdimage {
+		partition-table-type = "gpt"
+	}
+
+	partition rootfs {
+		partition-type-uuid = 72ec70a6-cf74-40e6-bd49-4bda08e8f224
+		partition-uuid = 0fef845a-c6e1-45bc-82f7-002fa720f958
+		bootable = "true"
+		image = "rootfs.ext4"
+	}
+}

board/beaglev/post-build.sh

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+#!/bin/sh
+BOARD_DIR=$(dirname $0)
+
+# Bring the extlinux.conf file in.
+install -D -m 0644 ${BOARD_DIR}/extlinux.conf \
+	${TARGET_DIR}/boot/extlinux/extlinux.conf
+
+# To be reflashed through Xmodem, the bootloader needs to be prepended
+# with a 4-byte header that contains the total size of the file.
+perl -e 'print pack("l", (stat @ARGV[0])[7])' ${BINARIES_DIR}/fw_payload.bin > ${BINARIES_DIR}/fw_payload.bin.out
+cat ${BINARIES_DIR}/fw_payload.bin >> ${BINARIES_DIR}/fw_payload.bin.out

board/beaglev/readme.txt

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+BeagleV
+=======
+
+BeagleV is a low-cost RISC-V 64-bit based platform, powered by a
+Starfive JH7100 processor. The current defconfig in Buildroot has been
+tested with the JH7100 chip used on the beta version of the BeagleV
+board.
+
+How to build
+============
+
+$ make beaglev_defconfig
+$ make
+
+Build results
+=============
+
+After building, output/images contains:
+
++ bootloader-BEAGLEV-buildroot.bin.out
++ ddrinit-2133-buildroot.bin.out
++ Image
++ fw_payload.bin
++ fw_payload.bin.out
++ fw_payload.elf
++ rootfs.ext2
++ rootfs.ext4
++ sdcard.img
++ u-boot.bin
+
+The four important files are:
+
+ - bootloader-BEAGLEV-buildroot.bin.out, the first stage bootloader
+
+ - ddrinit-2133-buildroot.bin.out, the DDR initialization firmware
+
+ - fw_payload.bin.out, which is the bootloader image, containing
+   both OpenSBI and U-Boot.
+
+ - sdcard.img, the SD card image, which contains the root filesystem,
+   kernel image and Device Tree.
+
+Flashing the SD card image
+==========================
+
+$ sudo dd if=output/images/sdcard.img of=/dev/sdX
+
+Preparing the board
+===================
+
+Connect the Beagle-V fan to the 5V supply (pin 2 or 4 of the GPIO
+connector) and GND (pin 6 of the GPIO connector).
+
+Connect a TTL UART cable to pin 8 (TX), 10 (RX) and 14 (GND).
+
+Insert your SD card.
+
+Power-up the board using an USB-C cable.
+
+Flashing OpenSBI/U-Boot
+=======================
+
+The bootloader pre-flashed on the Beagle-V has a non-working
+fdt_addr_r environment variable value, so it won't work
+as-is. Reflashing the bootloader with the bootloader image produced by
+Buildroot is necessary.
+
+When the board starts up, a pre-loader shows a count down of 2
+seconds, interrupt by pressing any key. You should reach a menu like
+this:
+
+--------8<----------
+
+bootloader version:210209-4547a8d
+ddr 0x00000000, 1M test
+ddr 0x00100000, 2M test
+DDR clk 2133M,Version: 210302-5aea32f
+0
+***************************************************
+*************** FLASH PROGRAMMING *****************
+***************************************************
+
+0:update uboot
+1:quit
+select the function:
+
+--------8<----------
+
+Press 0 and Enter. You will now see "C" characters being
+displayed. Ask your serial port communication program to send
+fw_payload.bin.out using the Xmodem protocol.
+
+After reflashing is complete, restart the board, it will automatically
+start the system from the SD card, and reach the login prompt.
+
+Flashing low-level bootloaders
+==============================
+
+The BeagleV comes pre-flashed with functional low-level bootloaders
+(called "secondboot" and "ddrinit"). Re-flashing them is not necessary
+to use this Buildroot defconfig. However, for the sake of
+completeness, Buildroot builds and provides those low-level bootloader
+images.
+
+You can flash them as follows:
+
+ - In the same "pre-loader" menu as the one used above, instead of
+   entering 0 or 1, enter the magic "root@s5t" string. This enters the
+   "expert" features.
+
+ - Then, press 0 and send over X-modem the
+   bootloader-BEAGLEV-buildroot.bin.out file.
+
+ - Then, press 1 and send over X-modem the
+   ddrinit-2133-buildroot.bin.out.
+
+Note that the reflashing mechanism itself relies on those low-level
+bootloaders, so if you flash non-working versions, you'll have to go
+through a recovery process. This requires wiring up to a separate
+debug UART, which pins are located near the HDMI connector. See
+https://wiki.seeedstudio.com/BeagleV-Update-bootloader-ddr-init-boot-uboot-Recover-bootloader/
+section "Recover the bootloader" for more details. The instructions
+make use of a jh7100-recover tool, which Buildroot has built as part
+of this defconfig: it is available as output/host/bin/jh7100-recover.