Use uhdm-plugin provided by symbiflow

Signed-off-by: Kamil Rakoczy <[email protected]>

Author: kamilrakoczy

conf/symbiflow/environment.yml

@@ -3,7 +3,6 @@ channels:
   - defaults
   - litex-hub
 dependencies:
-  - litex-hub::yosys-uhdm=v0.0_93_ga57fae6
   - litex-hub::yosys
   - python=3.7
   - pip

toolchains/vivado.py

@@ -358,11 +358,3 @@ def __init__(self, rootdir):
             '-iopad', '-arch xc7', '-flatten', 'frontend=surelog'
         ]
         self.toolchain = 'yosys-vivado-uhdm'
-        uhdm_yosys_path = shutil.which("uhdm-yosys")
-        # by default assume, uhdm-yosys is installed in symbiflow env
-        if uhdm_yosys_path is None:
-            print(
-                "Could not find uhdm-yosys binary. Please execute 'source env.sh' or reinstall conda environments."
-            )
-            sys.exit(1)
-        uhdm_yosys_path = os.path.dirname(uhdm_yosys_path)