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FOSS architecture definitions of FPGA hardware useful for doing PnR device generation.

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See for example https://github.com/SymbiFlow/symbiflow-arch-defs/pull/2318 Seems to be missing kokoro and GitHub Actions run?

The conda lock pull requests should be merged and not build up like this; ![image](https://user-images.githubusercontent.com/21212/142033871-dd33ddc2-93a2-4f5f-8887-5912199f07d4.png)

With the following Verilog input, targeting the Nexys A7-50T dev board with a xc7a50tcsg324-1 FPGA, the four LEDs should cycle between different single LED lighting up at roughly 1 Hz....

Although arch-deffs does have some directions on the main readme about how to run tests and build the environment, many details are missing. For example, the directions should mention that...

dependencies

Following block ram gives wrong results when compiled with symbiflow. Vivado compilation is correct. ``` // ============================================================== // Vitis HLS - High-Level Synthesis from C, C++ and OpenCL v2020.2 (64-bit)...

VTR (and by extension symbiflow) requires the user to specify a path to an xml file. This is problematic both because users need to handle these files themselves and because...

There is a DRC check failure on vendor tools CI that happens from time to time and has been seen in several occasions: e.g.: https://github.com/SymbiFlow/symbiflow-arch-defs/pull/2244#issuecomment-933230461

Hello, I have tested the Efinix IDE and realize when compile some projects they use VPR fron toronto university(because is mentioned in log). Can be an future option to integrate...

While running a design that uses `PLLE2_BASE`, VPR returns the error: `Message: Failed to find matching architecture model for 'PLLE2_BASE'` My design has: ```verilog ... PLLE2_BASE #(.BANDWIDTH ("OPTIMIZED"), .STARTUP_WAIT ("FALSE"),...

If the architecture is customized, is it possible to generate the correspond bitstream using SymbiFlow toolchain and how?