diff options
| -rw-r--r-- | README.md | 8 | ||||
| -rw-r--r-- | docs/faq.md | 8 | ||||
| -rw-r--r-- | frontend/frontend_base.h | 2 |
3 files changed, 9 insertions, 9 deletions
@@ -5,7 +5,7 @@ nextpnr aims to be a vendor neutral, timing driven, FOSS FPGA place and route tool. Currently nextpnr supports: - * Lattice iCE40 devices supported by [Project IceStorm](http://www.clifford.at/icestorm/) + * Lattice iCE40 devices supported by [Project IceStorm](http://bygone.clairexen.net/icestorm/) * Lattice ECP5 devices supported by [Project Trellis](https://github.com/YosysHQ/prjtrellis) * Lattice Nexus devices supported by [Project Oxide](https://github.com/gatecat/prjoxide) * Gowin LittleBee devices supported by [Project Apicula](https://github.com/YosysHQ/apicula) @@ -53,7 +53,7 @@ Getting started ### nextpnr-ice40 -For iCE40 support, install [Project IceStorm](http://www.clifford.at/icestorm/) to `/usr/local` or another location, which should be passed as `-DICESTORM_INSTALL_PREFIX=/usr` to CMake. Then build and install `nextpnr-ice40` using the following commands: +For iCE40 support, install [Project IceStorm](http://bygone.clairexen.net/icestorm/) to `/usr/local` or another location, which should be passed as `-DICESTORM_INSTALL_PREFIX=/usr` to CMake. Then build and install `nextpnr-ice40` using the following commands: ``` cmake . -DARCH=ice40 @@ -244,13 +244,13 @@ Links and references ### Synthesis, simulation, and logic optimization -- [Yosys](http://www.clifford.at/yosys/) +- [Yosys](https://yosyshq.net/yosys/) - [Icarus Verilog](http://iverilog.icarus.com/) - [ABC](https://people.eecs.berkeley.edu/~alanmi/abc/) ### FPGA bitstream documentation (and tools) projects -- [Project IceStorm (Lattice iCE40)](http://www.clifford.at/icestorm/) +- [Project IceStorm (Lattice iCE40)](http://bygone.clairexen.net/icestorm/) - [Project Trellis (Lattice ECP5)](https://yosyshq.github.io/prjtrellis-db/) - [Project X-Ray (Xilinx 7-Series)](https://symbiflow.github.io/prjxray-db/) - [Project Chibi (Intel MAX-V)](https://github.com/rqou/project-chibi) diff --git a/docs/faq.md b/docs/faq.md index 085b2bd7..dbd94bf1 100644 --- a/docs/faq.md +++ b/docs/faq.md @@ -137,7 +137,7 @@ Nextpnr and other tools [Verilog to Routing](https://verilogtorouting.org). If you want to use nextpnr, you might also be able to use the [Generic Arch](generic.md). * If you are developing FPGA code in **Verilog** for a **Lattice iCE40** and - need an open source toolchain, we suggest you use [Yosys](http://www.clifford.at/yosys/) and nextpnr. + need an open source toolchain, we suggest you use [Yosys](https://yosyshq.net/yosys/) and nextpnr. * If you are developing FPGA code in **Verilog** for a **Lattice iCE40** with Yosys and the **existing arachne-pnr toolchain**, we suggest you start thinking about @@ -151,7 +151,7 @@ Nextpnr and other tools ### Why didn't you just improve [arachne-pnr](https://github.com/cseed/arachne-pnr)? [arachne-pnr](https://github.com/cseed/arachne-pnr) was originally developed as -part of [Project IceStorm](http://www.clifford.at/icestorm/) to demonstrate it +part of [Project IceStorm](http://bygone.clairexen.net/icestorm/) to demonstrate it was possible to create an open source place and route tool for the iCE40 FPGAs that actually produced valid bitstreams. @@ -215,9 +215,9 @@ tooling around bitstream generation for these parts. While upstream nextpnr currently does **not** support these Xilinx parts, we expect it might soon be using Project X-Ray in a similar manner to Project Trellis. -### What is [Project IceStorm](http://www.clifford.at/icestorm/)? +### What is [Project IceStorm](http://bygone.clairexen.net/icestorm/)? -[Project IceStorm](http://www.clifford.at/icestorm/) is both a project to +[Project IceStorm](http://bygone.clairexen.net/icestorm/) is both a project to document the bitstream for the Lattice iCE40 series of parts **and** a full flow including Yosys and arachne-pnr for converting Verilog into a bitstream for these parts. diff --git a/frontend/frontend_base.h b/frontend/frontend_base.h index ce09a737..6d2ee6f6 100644 --- a/frontend/frontend_base.h +++ b/frontend/frontend_base.h @@ -23,7 +23,7 @@ * This is designed to make it possible to build frontends for parsing any format isomorphic to Yosys JSON [1] * with maximal inlining and minimal need for overhead such as runtime polymorphism or extra wrapper types. * - * [1] http://www.clifford.at/yosys/cmd_write_json.html + * [1] https://yosyshq.net/yosys/cmd_write_json.html * * The frontend should implement a class referred to as FrontendType that defines the following type(def)s and * functions: |