Subject: [bug#68791] [PATCH 2/3] gnu: Add trellis.

From: Gary Wong <[email-masked]>
Date: Mon, 29 Jan 2024 08:03:00 -0700

* gnu/packages/fpga.scm (trellis): New variable.

Change-Id: I90a7c7c0994508a16193c5ae2b8659c1d32a3c33
---
 gnu/packages/fpga.scm | 33 +++++++++++++++++++++++++++++++++
 1 file changed, 33 insertions(+)

diff --git a/gnu/packages/fpga.scm b/gnu/packages/fpga.scm
index 99841fb6..b42a3503 100644
--- a/gnu/packages/fpga.scm
+++ b/gnu/packages/fpga.scm
@@ -619,3 +619,36 @@ (define-public openfpgaloader
 to an FPGA.")
     (home-page "https://f4pga.org/")
     (license license:asl2.0)))
+
+(define-public trellis
+  (package
+    (name "trellis")
+    (version "1.4")
+    (source
+     (origin
+       (method git-fetch)
+       (uri (git-reference
+             (url "https://github.com/YosysHQ/prjtrellis")
+             (commit version)
+             (recursive? #t))) ;for the database submodule
+       (file-name (git-file-name name version))
+       (sha256
+        (base32 "0c3asdfrjmnc6q3vawn3nfghgg43iajwy2zb8kck9d3wrypbhlmc"))))
+    (inputs (list boost python))
+    (build-system cmake-build-system)
+    (arguments
+     (list
+      #:out-of-source? #f ;README: "unsupported when coupled with nextpnr"
+      #:tests? #f ;contains no test target
+      #:phases #~(modify-phases %standard-phases
+                   (add-before 'configure 'chdir-libtrellis
+                     (lambda* (#:key #:allow-other-keys)
+                       (chdir "libtrellis"))))))
+    (synopsis "Lattice ECP5 bitstream processing")
+    (description
+     "Project Trellis enables a fully open-source flow for ECP5
+FPGAs using Yosys for Verilog synthesis and nextpnr for place and
+route.  Project Trellis itself provides the device database and tools
+for bitstream creation.")
+    (license (list license:isc license:expat))
+    (home-page "https://github.com/YosysHQ/prjtrellis")))
-- 
2.41.0