scripts: load CLKGATE_MAP_FILE as lib and techmap it

Signed-off-by: Emil J. Tywoniak <[email protected]>
The-OpenROAD-Project · Oct 10, 2024 · dbb261a · dbb261a
1 parent 7b4e7aa
commit dbb261a
Show file tree

Hide file tree

Showing 2 changed files with 6 additions and 1 deletion.
diff --git a/flow/scripts/synth.tcl b/flow/scripts/synth.tcl
@@ -35,6 +35,11 @@ if {[env_var_exists_and_non_empty LATCH_MAP_FILE]} {
   techmap -map $::env(LATCH_MAP_FILE)
 }
 
+# Technology mapping of ICGs
+if {[env_var_exists_and_non_empty CLKGATE_MAP_FILE]} {
+  techmap -map $::env(CLKGATE_MAP_FILE)
+}
+
 set dfflibmap_args ""
 foreach cell $::env(DONT_USE_CELLS) {
   lappend dfflibmap_args -dont_use $cell

diff --git a/flow/scripts/synth_preamble.tcl b/flow/scripts/synth_preamble.tcl
@@ -48,7 +48,7 @@ if {[env_var_exists_and_non_empty VERILOG_TOP_PARAMS]} {
 
 # Read platform specific mapfile for OPENROAD_CLKGATE cells
 if {[env_var_exists_and_non_empty CLKGATE_MAP_FILE]} {
-  read_verilog -defer $::env(CLKGATE_MAP_FILE)
+  read_verilog -lib $::env(CLKGATE_MAP_FILE)
 }
 
 # Mark modules to keep from getting removed in flattening