RB5为谷歌官方推荐开发板：https://source.android.com/docs/setup/create/devices
Image download
https://releases.linaro.org/96boards/rb5/linaro/debian/21.12/
bootloader
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| $ mkdir org-linux
$ cd org-linux
$ wget https://releases.linaro.org/96boards/rb5/linaro/rescue/21.12/rb5-bootloader-ufs-linux-21.zip -o rb5-bootloader-ufs-linux-47528.zip
$ gunzip rb5-bootloader-ufs-linux-47528.zip
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kernel
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| $ cd org-linux
$ wget https://releases.linaro.org/96boards/rb5/linaro/debian/21.12/boot-linaro-sid-qrb5165-rb5-146.img.gz
$ gunzip boot-linaro-sid-qrb5165-rb5-146.img.gz
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rootfs
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| $ cd org-linux
$ wget https://releases.linaro.org/96boards/rb5/linaro/debian/21.12/linaro-sid-gnome-qrb5165-rb5-146.img.gz
$ gunzip linaro-sid-gnome-qrb5165-rb5-146.img.gz
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qdl build
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| $ git clone https:
$ cd qdl
$ make
cc -O2 -Wall -g `xml2-config --cflags` -c -o firehose.o firehose.c
cc -O2 -Wall -g `xml2-config --cflags` -c -o qdl.o qdl.c
cc -O2 -Wall -g `xml2-config --cflags` -c -o sahara.o sahara.c
cc -O2 -Wall -g `xml2-config --cflags` -c -o util.o util.c
cc -O2 -Wall -g `xml2-config --cflags` -c -o patch.o patch.c
cc -O2 -Wall -g `xml2-config --cflags` -c -o program.o program.c
cc -O2 -Wall -g `xml2-config --cflags` -c -o ufs.o ufs.c
cc -o qdl firehose.o qdl.o sahara.o util.o patch.o program.o ufs.o `xml2-config --libs` -ludev
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flash bootloader
sw_0状态改为 011000
去掉全部接线
插出micro-usb线，用来观察串口输出
按住1按键，插出type-c线，再插入电源线，进入9008模式
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| $ cd org-linux/rb5-bootloader-ufs-linux-47528
$ ../qdl/qdl prog_firehose_ddr.elf rawprogram?.xml patch?.xml
HELLO version: 0x2 compatible: 0x1 max_len: 1024 mode: 0
READ64 image: 13 offset: 0x0 length: 0x40
READ64 image: 13 offset: 0x40 length: 0x310
READ64 image: 13 offset: 0x1000 length: 0x1000
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flash kernel
sw_0状态改为 011000
去掉全部接线
插出micro-usb线，用来观察串口输出
按住2按键（音量-），插出type-c线，再插入电源线，进入fastboot模式
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| $ cd org-linux
$ fastboot flash boot org-linux/boot-linaro-sid-qrb5165-rb5-146.img
Sending 'boot_a' (21196 KB) OKAY [ 0.504s]
Writing 'boot_a' OKAY [ 0.086s]
Finished. Total time: 0.636s
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flash rootfs
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| $ cd org-linux
$ fastboot flash rootfs org-linux/linaro-sid-gnome-qrb5165-rb5-146.img
Sending sparse 'rootfs' 1/6 (781893 KB) OKAY [ 18.365s]
Writing 'rootfs' OKAY [ 18.401s]
Sending sparse 'rootfs' 2/6 (760396 KB) OKAY [ 17.921s]
Writing 'rootfs' OKAY [ 17.284s]
Sending sparse 'rootfs' 3/6 (715852 KB) OKAY [ 16.860s]
Writing 'rootfs' fastboot flash rootfs OKAY [ 20.323s]
Sending sparse 'rootfs' 4/6 (784351 KB) fastboot flash rootfs fastboot flash rootfs fastboot flash rootfs fastboot flash rootfs fastboot flash rootfs OKAY [ 18.432s]
Writing 'rootfs' OKAY [ 15.555s]
Sending sparse 'rootfs' 5/6 (785810 KB) OKAY [ 18.547s]
Writing 'rootfs' OKAY [ 23.077s]
Sending sparse 'rootfs' 6/6 (433062 KB) OKAY [ 10.227s]
Writing 'rootfs' OKAY [ 16.157s]
Finished. Total time: 211.761s
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glmark2 test
作为对比, Intel N100的分数为1522