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The most recent version of this page is a draft.DiffThis version is outdated by a newer approved version.DiffThis version (19 Jan 2018 09:54) was approved by Alexandru Ardelean.The Previously approved version (27 Apr 2017 14:10) is available.Diff

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Table of Contents

Building the Firmware Image

Prerequisites

  1. Sources
  2. Xilinx Vivado Design Suite
  3. Xilinx Vivado SDK

There are a few other tools that are necessary in order to build your own Firmware Image.

This specifies any shell prompt running on your Linux development host 

michael@HAL9000:~/devel$ sudo apt-get install git build-essential fakeroot libncurses5-dev libssl-dev ccache dfu-util

Building

Starting the build process is just a matter of typing make within the firmware repository. The Makefile requires a few environmental variables being set, and of course the ARM GCC toolchain in the PATH. Some paths maybe adjusted to match your Xilinx Vivado and SDK install folders.

This specifies any shell prompt running on your Linux development host 

michael@HAL9000:~/devel$ cd plutosdr-fw or m2k-fw
michael@HAL9000:~/devel/plutosdr-fw$ export CROSS_COMPILE=arm-xilinx-linux-gnueabi-
michael@HAL9000:~/devel/plutosdr-fw$ export PATH=$PATH:/opt/Xilinx/SDK/2016.2/gnu/arm/lin/bin
michael@HAL9000:~/devel/plutosdr-fw$ export VIVADO_SETTINGS=/opt/Xilinx/Vivado/2016.2/settings64.sh
michael@HAL9000:~/devel/plutosdr-fw$ make

The initial build takes some time to complete, and also requires an INTERNET connection, since buildroot downloads the source packages from the WEB.

Build Artifacts

This specifies any shell prompt running on your Linux development host 

      michael@HAL9000:~/devel/plutosdr-fw$ ls -AGhl build
      total 52M
      -rw-rw-r-- 1 michael   69 Apr 19 17:45 boot.bif
      -rw-rw-r-- 1 michael 446K Apr 19 17:45 boot.bin
      -rw-rw-r-- 1 michael 446K Apr 19 17:45 boot.dfu
      -rw-rw-r-- 1 michael 575K Apr 19 17:45 boot.frm
      -rw-rw-r-- 1 michael 8,3M Apr 19 17:45 pluto.dfu
      -rw-rw-r-- 1 michael 8,3M Apr 19 17:45 pluto.frm
      -rw-rw-r-- 1 michael   33 Apr 19 17:45 pluto.frm.md5
      -rw-rw-r-- 1 michael 8,3M Apr 19 17:45 pluto.itb
      -rw-rw-r-- 1 michael  16M Apr 19 17:45 plutosdr-fw-v0.20.zip
      -rw-rw-r-- 1 michael 471K Apr 19 17:45 plutosdr-jtag-bootstrap-v0.20.zip
      -rw-r--r-- 1 michael 4,2M Apr 19 17:39 rootfs.cpio.gz
      drwxrwxr-x 6 michael 4,0K Apr 19 17:45 sdk
      -rw-rw-r-- 1 michael 940K Apr 19 17:45 system_top.bit
      -rw-rw-r-- 1 michael 362K Apr 19 17:45 system_top.hdf
      -rwxrwxr-x 1 michael 409K Apr 19 17:45 u-boot.elf
      -rw-rw---- 1 michael 128K Apr 19 17:45 uboot-env.bin
      -rw-rw---- 1 michael 129K Apr 19 17:45 uboot-env.dfu
      -rw-rw-r-- 1 michael 4,6K Apr 19 17:45 uboot-env.txt
      -rwxrwxr-x 1 michael 3,2M Apr 19 17:33 zImage
      -rw-rw-r-- 1 michael  16K Apr 19 17:39 zynq-pluto-sdr.dtb
      -rw-rw-r-- 1 michael  16K Apr 19 17:39 zynq-pluto-sdr-revb.dtb

Main targets

File Comment
pluto.frm Main PlutoSDR firmware file used with the USB Mass Storage Device
pluto.dfu Main PlutoSDR firmware file used in DFU mode
boot.frm First and Second Stage Bootloader (u-boot + fsbl + uEnv) used with the USB Mass Storage Device
boot.dfu First and Second Stage Bootloader (u-boot + fsbl) used in DFU mode
uboot-env.dfu u-boot default environment used in DFU mode
plutosdr-fw-vX.XX.zip ZIP archive containg all of the files above
plutosdr-jtag-bootstrap-vX.XX.zip ZIP archive containg u-boot and Vivao TCL used for JATG bootstrapping

Other intermediate targets

File Comment
boot.bif Boot Image Format file used to generate the Boot Image
boot.bin Final Boot Image
pluto.frm.md5 md5sum of the pluto.frm file
pluto.itb u-boot Flattened Image Tree
rootfs.cpio.gz The Root Filesystem archive
sdk Vivado/XSDK Build folder including the FSBL
system_top.bit FPGA Bitstream (from HDF)
system_top.hdf FPGA Hardware Description File exported by Vivado
u-boot.elf u-boot ELF Binary
uboot-env.bin u-boot default environment in binary format created form uboot-env.txt
uboot-env.txt u-boot default environment in human readable text format
zImage Compressed Linux Kernel Image
zynq-pluto-sdr.dtb Device Tree Blob for Rev.A
zynq-pluto-sdr-revb.dtb Device Tree Blob for Rev.B

How does it work

All these steps are automatically handled by make. They are just explained here, for those who are interested.

Build Linux kernel

Function File
PlutoSDR Linux Kernel Config zynq_pluto_defconfig 
make -C linux ARCH=arm zynq_pluto_defconfig
make -C linux -j 8 ARCH=arm CROSS_COMPILE=arm-xilinx-linux-gnueabi- zImage UIMAGE_LOADADDR=0x8000
cp linux/arch/arm/boot/zImage build/zImage

Build Devicetrees

Function File
PlutoSDR Rev.A Device Tree zynq-pluto-sdr.dts
PlutoSDR Rev.B Device Tree zynq-pluto-sdr-revb.dts 
make -C linux -j 8 ARCH=arm CROSS_COMPILE=arm-xilinx-linux-gnueabi- zynq-pluto-sdr.dtb
cp linux/arch/arm/boot/dts/zynq-pluto-sdr.dtb build/zynq-pluto-sdr.dtb

make -C linux -j 8 ARCH=arm CROSS_COMPILE=arm-xilinx-linux-gnueabi- zynq-pluto-sdr-revb.dtb
cp linux/arch/arm/boot/dts/zynq-pluto-sdr-revb.dtb build/zynq-pluto-sdr-revb.dtb

Build Buildroot User Space

Function File
PlutoSDR Buildroot Config zynq_pluto_defconfig 
make -C buildroot ARCH=arm zynq_pluto_defconfig
make -C buildroot TOOLCHAIN_EXTERNAL_INSTALL_DIR= ARCH=arm CROSS_COMPILE=arm-xilinx-linux-gnueabi- BUSYBOX_CONFIG_FILE=/home/michael/devel/pluto/plutosdr-fw/buildroot/board/pluto/busybox-1.25.0.config all
cp buildroot/output/images/rootfs.cpio.gz build/rootfs.cpio.gz

Build FPGA Hardware Description File

Function File
Pluto HDL Project Files 
source /opt/Xilinx/Vivado/2016.2/settings64.sh
make -C hdl/projects/pluto
cp hdl/projects/pluto/pluto.sdk/system_top.hdf build/system_top.hdf

Build FPGA First Stage Bootloader (FSBL)

Function File
Create FSBL TCL script create_fsbl_project.tcl 
source /opt/Xilinx/Vivado/2016.2/settings64.sh
xsdk -batch -source scripts/create_fsbl_project.tcl
cp build/sdk/hw_0/system_top.bit build/system_top.bit

Build multi component FIT image (Flattened Image Tree)

Function File
PlutoSDR Image Tree Source pluto.its 
u-boot-xlnx/tools/mkimage -f scripts/pluto.its build/pluto.itb

Build Firmware DFU image

cp build/pluto.itb build/pluto.itb.tmp
dfu-suffix -a build/pluto.itb.tmp -v 0x0456 -p 0xb673
mv build/pluto.itb.tmp build/pluto.dfu

Build Firmware FRM image

md5sum build/pluto.itb | cut -d ' ' -f 1 > build/pluto.frm.md5
cat build/pluto.itb build/pluto.frm.md5 > build/pluto.frm

Build u-boot

Function File
PlutoSDR u-boot Config zynq_pluto_defconfig
PlutoSDR u-boot Device Tree zynq-pluto-sdr.dts 
make -C u-boot-xlnx ARCH=arm zynq_pluto_defconfig
make -C u-boot-xlnx ARCH=arm CROSS_COMPILE=arm-xilinx-linux-gnueabi- UBOOTVERSION="PlutoSDR v0.20-PlutoSDR"
cp u-boot-xlnx/u-boot build/u-boot.elf

Build Zynq Boot Image

echo img:{[bootloader] build/sdk/fsbl/Release/fsbl.elf build/u-boot.elf } > build/boot.bif
source /opt/Xilinx/Vivado/2016.2/settings64.sh
bootgen -image build/boot.bif -w -o build/boot.bin

Build Boot DFU Image

cp build/boot.bin build/boot.bin.tmp
dfu-suffix -a build/boot.bin.tmp -v 0x0456 -p 0xb673
mv build/boot.bin.tmp build/boot.dfu

Build u-boot default environment Image

CROSS_COMPILE=arm-xilinx-linux-gnueabi- scripts/get_default_envs.sh > build/uboot-env.txt
u-boot-xlnx/tools/mkenvimage -s 0x20000 -o build/uboot-env.bin build/uboot-env.txt

Build u-boot default environment DFU Image

cp build/uboot-env.bin build/uboot-env.bin.tmp
dfu-suffix -a build/uboot-env.bin.tmp -v 0x0456 -p 0xb673
mv build/uboot-env.bin.tmp build/uboot-env.dfu

Build Boot FRM image

cat build/boot.bin build/uboot-env.bin scripts/target_mtd_info.key | tee build/boot.frm | md5sum | cut -d ' ' -f1 | tee -a build/boot.frm
university/tools/pluto/building_the_image.1516352082.txt.gz · Last modified: 19 Jan 2018 09:54 by Alexandru Ardelean

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