Skip to content

synth_syn: read the platform's clock gate as the Yosys flow does #4802

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Open
oharboe wants to merge 1 commit into
base: master
Choose a base branch
from
Open

synth_syn: read the platform's clock gate as the Yosys flow does #4802

Show file tree
Hide file tree
Changes from all commits
Commits
Show all changes
1 commit
Select commit
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
3 changes: 1 addition & 2 deletions flow/designs/asap7/swerv_wrapper/config.mk
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -45,8 +45,7 @@ export SYNTH_KEEP_MODULES ?= \
export LIB_MODEL = CCS

export VERILOG_FILES = $(DESIGN_HOME)/src/swerv/swerv_wrapper.sv2v.v \
$(DESIGN_HOME)/$(PLATFORM)/swerv_wrapper/macros.v \
$(CLKGATE_MAP_FILE)
$(DESIGN_HOME)/$(PLATFORM)/swerv_wrapper/macros.v
export SDC_FILE = $(DESIGN_HOME)/$(PLATFORM)/swerv_wrapper/constraint.sdc

export ADDITIONAL_LEFS = $(sort $(wildcard $(DESIGN_HOME)/$(PLATFORM)/swerv_wrapper/lef/*.lef))
Expand Down
6 changes: 6 additions & 0 deletions flow/scripts/synth_syn.tcl
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -33,6 +33,12 @@ set elaborate_args [list \
set verilog_files [synth_verilog_files]
lappend elaborate_args {*}$verilog_files

# The platform's clock gate, as the Yosys flow reads it
# (synth_preamble.tcl)
if { [env_var_exists_and_non_empty CLKGATE_MAP_FILE] } {
lappend elaborate_args $::env(CLKGATE_MAP_FILE)
}

# Apply top-level parameters
dict for {key value} [env_var_or_empty VERILOG_TOP_PARAMS] {
lappend elaborate_args -G "$key=$value"
Expand Down