mirror of
https://github.com/tillitis/tillitis-key1.git
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102 lines
3.2 KiB
Markdown
102 lines
3.2 KiB
Markdown
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# Toolchain setup
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Here are instructions for setting up the tools required to build the project.
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Tested on Ubuntu 22.04 LTS.
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## Gateware: icestorm toolchain
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These steps are used to build and install the
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[icestorm](http://bygone.clairexen.net/icestorm/) toolchain (in
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`/usr/local`). Note that nextpnr replaces Arachne-PNR.
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sudo apt install build-essential clang lld bison flex libreadline-dev \
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gawk tcl-dev libffi-dev git mercurial graphviz \
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xdot pkg-config python3 libftdi-dev \
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python3-dev libboost-dev libeigen3-dev \
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libboost-dev libboost-filesystem-dev \
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libboost-thread-dev libboost-program-options-dev \
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libboost-iostreams-dev cmake
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git clone https://github.com/YosysHQ/icestorm
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cd icestorm
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make -j$(nproc)
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sudo make install
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cd ..
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# Custom iceprog for the RPi 2040-based programmer (will be upstreamed).
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git clone -b interfaces https://github.com/tillitis/icestorm tillitis--icestorm
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cd tillitis--icestorm/iceprog
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make
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sudo make PROGRAM_PREFIX=tillitis- install
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cd ../..
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git clone https://github.com/YosysHQ/yosys
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cd yosys
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# Avoiding current issue with yosys & icebram, filed in:
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# https://github.com/YosysHQ/yosys/issues/3478
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git checkout 06ef3f264afaa3eaeab45cc0404d8006c15f02b1
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make -j$(nproc)
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sudo make install
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cd ..
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git clone https://github.com/YosysHQ/nextpnr
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cd nextpnr
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cmake -DARCH=ice40 -DCMAKE_INSTALL_PREFIX=/usr/local .
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make -j$(nproc)
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sudo make install
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References:
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* http://bygone.clairexen.net/icestorm/
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## Firmware: riscv toolchain
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The Tillitis Key 1 implements a
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[picorv32](https://github.com/YosysHQ/picorv32) soft core CPU, which
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is a RISC-V microcontroller with the M and C instructions (RV32IMC).
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You can read
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[more](https://www.sifive.com/blog/all-aboard-part-1-compiler-args)
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about it.
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The project uses the LLVM/Clang suite, where version 14 is the latest
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stable (as of writing). Usually the LLVM/Clang packages that are part
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of your distro will work, if not, there are installations instructions
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for "Install (stable branch)" at https://apt.llvm.org/ for Debian and
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Ubuntu.
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References:
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* https://github.com/YosysHQ/picorv32
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## Optional
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These tools are used for specific sub-components of the project, and
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are not required for general development
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### Kicad 6.0: Circuit board designs
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The circuit board designs were all created in [KiCad
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6.0](https://www.kicad.org/).
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### mta1-usb-v1-programmer: RPi 2040 toolchain
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These tools are needed to build the programmer firmware for the
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mta1-usb-v1-programmer
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TODO
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* source code: https://github.com/Blinkinlabs/ice40_flasher
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### mta1-usb-v1: ch552 USB to Serial firmware
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The USB to Serial firmware runs on the CH552 microcontroller, and
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provides a USB CDC profile which should work with the default drivers
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on all major operating systems.
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TODO
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References:
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* source code: https://github.com/tillitis/tillitis-key1/tree/main/hw/boards/mta1-usb-v1/ch552_fw
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* Compiler: [SDCC](http://sdcc.sourceforge.net/)
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* Library: https://github.com/Blinkinlabs/ch554_sdcc
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* Flashing tool: https://github.com/ole00/chprog
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