XU8

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Enclustra Xilinx FPGA SoM

SD card

root@daq13:~# fdisk -l /dev/sdd
Disk /dev/sdd: 29.28 GiB, 31439454208 bytes, 61405184 sectors
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
Disklabel type: dos

Device     Boot   Start     End Sectors  Size Id Type
/dev/sdd1          8192 2097151 2088960 1020M  c W95 FAT32 (LBA)
/dev/sdd2       2097152 6291455 4194304    2G 83 Linux
/dev/sdd3       6291456 8388607 2097152    1G 83 Linux
root@daq13:~# 
root@daq13:~# mount /dev/sdd1 /mnt
root@daq13:~# ls -l /mnt
total 18060
-rw-r--r-- 1 olchansk users 9455980 Aug 15 15:00 BOOT.BIN
-rw-r--r-- 1 olchansk users    2007 Dec  2  2022 boot.scr
-rw-r--r-- 1 olchansk users 8506496 Dec  2  2022 image.ub
-rw-r--r-- 1 olchansk users  262144 Dec 31  1979 uboot.env
-rw-r--r-- 1 olchansk users  262144 Dec 31  1979 uboot-redund.env
root@daq13:~#

Make new card

  • use 8GB, 16GB or 32GB SD card
  • fdisk /dev/sdX ### as above, only VFAT partition 1 is used
  • mkfs.vfat /dev/sdX1
  • fatlabel /dev/sdX1 BOOT
  • mount /dev/sdX1 /mnt
  • rsync boot files
  • unmount, eject

Linux benchmarks

  • memory benchmark:
daq13$ arm-linux-gnueabi-gcc -o memcpy.armv7 memcpy.cc -march=armv7 -static -O2
scp memcpy.armv7 to ...
root@gdm-cdm:~# ./memcpy.armv7 
memcpy       1 KiBytes:   1288 MB/sec
memcpy       2 KiBytes:   1924 MB/sec
memcpy       4 KiBytes:   2554 MB/sec
memcpy       8 KiBytes:   3054 MB/sec
memcpy      16 KiBytes:   3262 MB/sec
memcpy      32 KiBytes:   3250 MB/sec
memcpy      64 KiBytes:   3456 MB/sec
memcpy     128 KiBytes:   3556 MB/sec
memcpy     256 KiBytes:   3780 MB/sec
memcpy     512 KiBytes:   3795 MB/sec
memcpy    1024 KiBytes:   3789 MB/sec
memcpy    2048 KiBytes:   3729 MB/sec
memcpy    4096 KiBytes:   3717 MB/sec
memcpy    8192 KiBytes:   3687 MB/sec
memcpy   16384 KiBytes:   3632 MB/sec
memcpy   32768 KiBytes:   3529 MB/sec
memcpy   65536 KiBytes:   3318 MB/sec
memcpy  131072 KiBytes:   2893 MB/sec
root@gdm-cdm:~# 

root@gdm00:~# g++ -O2 -static -Wall -Wuninitialized memcpy.cc -o memcpy.aarch64
root@gdm00:~# ./memcpy.aarch64
memcpy       1 KiBytes:   3937 MB/sec
memcpy       2 KiBytes:   4866 MB/sec
memcpy       4 KiBytes:   5528 MB/sec
memcpy       8 KiBytes:   5923 MB/sec
memcpy      16 KiBytes:   5869 MB/sec
memcpy      32 KiBytes:   5521 MB/sec
memcpy      64 KiBytes:   5217 MB/sec
memcpy     128 KiBytes:   5250 MB/sec
memcpy     256 KiBytes:   6288 MB/sec
memcpy     512 KiBytes:   6299 MB/sec
memcpy    1024 KiBytes:   6291 MB/sec
memcpy    2048 KiBytes:   6113 MB/sec
memcpy    4096 KiBytes:   6085 MB/sec
memcpy    8192 KiBytes:   6011 MB/sec
memcpy   16384 KiBytes:   5920 MB/sec
memcpy   32768 KiBytes:   5743 MB/sec
memcpy   65536 KiBytes:   5397 MB/sec
memcpy  131072 KiBytes:   4661 MB/sec
root@gdm00:~#
  • ethernet receive:
daq13:bin$ ./ttcp -t -s -n 100000 10.0.0.24
ttcp-t: buflen=8192, nbuf=100000, align=16384/0, port=5001  tcp  -> 10.0.0.24
ttcp-t: socket
ttcp-t: connect
ttcp-t: 819200000 bytes in 7.25 real seconds = 110358.39 KB/sec +++
ttcp-t: 100000 I/O calls, msec/call = 0.07, calls/sec = 13794.80
ttcp-t: 0.0user 0.2sys 0:07real 3% 0i+0d 760maxrss 0+2pf 1461+31csw
daq13:bin$ 

root@gdm-cdm:~# ./ttcp.armv7 -r -s
ttcp-r: buflen=8192, nbuf=2048, align=16384/0, port=5001  tcp
ttcp-r: socket
ttcp-r: accept from 10.0.0.25
ttcp-r: 819200000 bytes in 7.27 real seconds = 110098.22 KB/sec +++
ttcp-r: 212040 I/O calls, msec/call = 0.04, calls/sec = 29181.53
ttcp-r: 0.1user 5.7sys 0:07real 81% 0i+0d 584maxrss 0+2pf 125601+2699csw
root@gdm-cdm:~#
  • ethernet transmit:
root@gdm-cdm:~# ./ttcp.armv7 -t -s -n 100000 10.0.0.25
ttcp-t: buflen=8192, nbuf=100000, align=16384/0, port=5001  tcp  -> 10.0.0.25
ttcp-t: socket
ttcp-t: connect
ttcp-t: 819200000 bytes in 6.95 real seconds = 115078.69 KB/sec +++
ttcp-t: 100000 I/O calls, msec/call = 0.07, calls/sec = 14384.84
ttcp-t: 0.0user 0.7sys 0:06real 11% 0i+0d 584maxrss 0+2pf 1162+1017csw
root@gdm-cdm:~# 

daq13:bin$ ./ttcp -r -s
ttcp-r: buflen=8192, nbuf=2048, align=16384/0, port=5001  tcp
ttcp-r: socket
ttcp-r: accept from 10.0.0.24
ttcp-r: 819200000 bytes in 6.97 real seconds = 114841.84 KB/sec +++
ttcp-r: 161335 I/O calls, msec/call = 0.04, calls/sec = 23160.01
ttcp-r: 0.0user 1.9sys 0:06real 28% 0i+0d 760maxrss 0+2pf 80646+51csw
daq13:bin$
  • iperf: iperf -s, iperf -c 192.168.0.1
XU8<->Linux
0.0000-10.0175 sec  1.10 GBytes   941 Mbits/sec

yocto

Setup as root

apt-get install build-essential chrpath cpio debianutils diffstat file gawk gcc git iputils-ping libacl1 locales python3 python3-git python3-jinja2 python3-pexpect python3-pip python3-subunit socat texinfo unzip wget xz-utils zstd
apt install libstdc++-14-dev
echo 0 > /proc/sys/kernel/apparmor_restrict_unprivileged_userns

wrynose

ssh dsdmdev@dsdaqgw
mkdir yocto-test2
git clone https://git.openembedded.org/bitbake
./bitbake/bin/bitbake-setup init
. /home1/dsdmdev/yocto-test2/bitbake-builds/poky-wrynose-poky-distro_poky-tiny-machine_genericarm64/build/init-build-env
bitbake-config-build enable-fragment  core/yocto/root-login-with-empty-password
bitbake core-image-sato ### bombs, wants to build full graphical system, incompatible with "tiny"
bitbake core-image-minimal
bombs with errors about kernel/virtual
edit conf/local.conf ineffective
bitbake -e ### to identify who sets PREFERRED_PROVIDER_virtual/kernel
edit /home1/dsdmdev/yocto-test2/bitbake-builds/poky-wrynose-poky-distro_poky-tiny-machine_genericarm64/layers/meta-yocto/meta-poky/conf/distro/poky-tiny.conf
set PREFERRED_PROVIDER_virtual/kernel = "linux-yocto"
bitbake core-image-minimal
grinds for a long time, finishes successfully, but where did it put it's results?
  • Now need to add xilinx and enclustra xu8 layers
cd ~/yocto-test2/layers
git clone https://git.yoctoproject.org/meta-xilinx
git clone https://github.com/enclustra/meta-enclustra-amd.git
  • add them bombs out, "wrynose" not supported, "scarthgap" is supported
bitbake-layers add-layer ~/yocto-test2/layers/meta-enclustra-amd/meta-enclustra-module
bitbake-layers add-layer ~/yocto-test2/layers/meta-xilinx/meta-xilinx-core

scarthgap

#!/bin/sh

git clone https://github.com/enclustra/meta-enclustra-amd.git -b "xlnx-2024.2"
mkdir -p sources
cd sources

# needed for setupsdk

git clone https://github.com/Xilinx/yocto-manifests.git -b "rel-v2024.2" manifest
git clone https://github.com/Xilinx/yocto-scripts.git   -b "rel-v2024.2"
git clone https://github.com/Xilinx/meta-petalinux.git  -b "rel-v2024.2"
# not needed git clone https://github.com/Xilinx/meta-xilinx-internal.git  -b "rel-v2024.2"
git clone https://github.com/Xilinx/meta-xilinx.git     -b "rel-v2024.2"
git clone https://github.com/Xilinx/poky.git            -b "rel-v2024.2"

/bin/cp -pv yocto-scripts/setupsdk ../setupsdk

# needed for bitbake petalinux-image-minimal

git clone https://github.com/Xilinx/meta-xilinx-tools.git  -b "rel-v2024.2"
git clone https://github.com/Xilinx/meta-arm.git           -b "rel-v2024.2"
git clone https://github.com/Xilinx/meta-openembedded.git  -b "rel-v2024.2"
#git clone https://github.com/Xilinx/meta-embedded-plus.git -b "rel-v2024.2"
git clone https://github.com/Xilinx/meta-xilinx-tsn.git    -b "rel-v2024.2"
git clone https://github.com/Xilinx/meta-qt5.git           -b "rel-v2024.2"
git clone https://github.com/Xilinx/meta-virtualization.git      -b "rel-v2024.2"
#git clone https://github.com/Xilinx/meta-amd-adaptive-socs.git  -b "rel-v2024.2"

cd meta-xilinx/meta-xilinx-core
git submodule update
git submodule status

#end
  • source ./setupsdk"
  • bitbake petalinux-image-minimal ### bombs, we need to configure the layers
bitbake-layers add-layer ../meta-enclustra-amd/meta-enclustra-module
bitbake-layers add-layer ../meta-enclustra-amd/meta-enclustra-baseboard
bitbake-layers add-layer ../meta-enclustra-amd/meta-enclustra-refdes
  • not good enough, edit conf/bblayers.conf
BBPATH = "${TOPDIR}"
BBFILES ?= ""

BBLAYERS ?= " \
  /home1/dsdmdev/yocto-test3/sources/poky/meta \
  /home1/dsdmdev/yocto-test3/sources/poky/meta-poky \
  /home1/dsdmdev/yocto-test3/sources/poky/../meta-xilinx/meta-xilinx-core \
  /home1/dsdmdev/yocto-test3/sources/poky/../meta-xilinx/meta-xilinx-standalone \
  /home1/dsdmdev/yocto-test3/sources/poky/../meta-xilinx/meta-xilinx-bsp \
  /home1/dsdmdev/yocto-test3/sources/poky/../meta-xilinx/meta-xilinx-vendor \
  /home1/dsdmdev/yocto-test3/sources/poky/../meta-xilinx-tools \
  /home1/dsdmdev/yocto-test3/sources/poky/../meta-arm/meta-arm \
  /home1/dsdmdev/yocto-test3/sources/poky/../meta-arm/meta-arm-toolchain \
  /home1/dsdmdev/yocto-test3/sources/poky/../meta-openembedded/meta-perl \
  /home1/dsdmdev/yocto-test3/sources/poky/../meta-openembedded/meta-python \
  /home1/dsdmdev/yocto-test3/sources/poky/../meta-openembedded/meta-filesystems \
  /home1/dsdmdev/yocto-test3/sources/poky/../meta-openembedded/meta-networking \
  /home1/dsdmdev/yocto-test3/sources/poky/../meta-openembedded/meta-initramfs \
  /home1/dsdmdev/yocto-test3/sources/poky/../meta-openembedded/meta-oe \
  /home1/dsdmdev/yocto-test3/sources/poky/../meta-xilinx/meta-xilinx-contrib \
  /home1/dsdmdev/yocto-test3/sources/poky/../meta-xilinx-tsn \
  /home1/dsdmdev/yocto-test3/sources/poky/../meta-qt5 \
  /home1/dsdmdev/yocto-test3/sources/poky/../meta-virtualization \
  /home1/dsdmdev/yocto-test3/sources/poky/../meta-openembedded/meta-multimedia \
  /home1/dsdmdev/yocto-test3/sources/poky/../meta-petalinux \
  /home1/dsdmdev/yocto-test3/meta-enclustra-amd/meta-enclustra-module \
  /home1/dsdmdev/yocto-test3/meta-enclustra-amd/meta-enclustra-baseboard \
  /home1/dsdmdev/yocto-test3/meta-enclustra-amd/meta-enclustra-refdes \
  "
  • cp ~olchansk/git/ds-dm-gcdm/Vivado_CDM_XU8/Vivado_CDM_XU8.xsa ../
  • ../sources/meta-xilinx/meta-xilinx-core/gen-machine-conf/gen-machineconf parse-xsa --hw-description ../Vivado_CDM_XU8.xsa --require-machine refdes-xu8-pe1 --machine-overrides enclustra-sd --machine-name refdes-xu8-pe1
  • grinds for a while, bombs out with error about mconf
  • rubber chicken dance to fix the mconf error:
  • bitbake kconfig-frontends-native ### mconf is in this package
  • find . -name mconf ### should find it in several places
  • ../sources/meta-xilinx/meta-xilinx-core/gen-machine-conf/gen-machineconf parse-xsa --hw-description ../Vivado_CDM_XU8.xsa --require-machine refdes-xu8-pe1 --machine-overrides enclustra-sd --machine-name refdes-xu8-pe1 --native-sysroot ./tmp/sysroots-components/x86_64/kconfig-frontends-native
  • will bomb out with error ??? because of incomplete git checkout:
cd ../sources/meta-xilinx/meta-xilinx-core
git submodule update ### should checkout the missing gen-machineconf pieces
  • will grind for some time, then print the MACHINE name we will be using
  • add to conf/local.conf - MACHINE = "refdes-xu8-pe1-xczu4cg"
  • bitbake petalinux-image-minimal
  • observe it printed correct MACHINE name, etc. it will grind for a long time 1-2 hours
  • will build everything, the kitchen sink and the garage (systemd, wayland, etc)
  • will create stuff in ./tmp/deploy/images/refdes-xu8-pe1-xczu4cg
  • but will it boot?
dsdmdev@dsdaqgw:/home1/dsdmdev/yocto-test3/build$ ls -l ./tmp/deploy/images/refdes-xu8-pe1-xczu4cg/boot.bin
lrwxrwxrwx 2 dsdmdev users 46 May 13 17:34 ./tmp/deploy/images/refdes-xu8-pe1-xczu4cg/boot.bin -> BOOT-refdes-xu8-pe1-xczu4cg-20260514000135.bin

End

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