# Copyright lowRISC contributors.
# Licensed under the Apache License, Version 2.0, see LICENSE for details.
# SPDX-License-Identifier: Apache-2.0
#
# waiver file for top_earlgrey

# dedicated reset drivers / muxes
set_reset_drivers prim_clock_mux2 prim_flop_2sync prim_flop
set_clock_drivers prim_clock_buf prim_clock_mux2

# All leaf resets have a reset multiplex
waive -rules RESET_MUX -location {top_earlgrey.sv} -regexp {Asynchronous reset .*rstmgr_aon_resets\.rst.* is driven by a multiplexer} \
      -comment "This is dedicated reset infrastructure, and hence permissible"

waive -rules CLOCK_MUX -location {clkmgr.sv top_earlgrey.sv} -regexp {.*clk_io_div.* is driven by a multiplexer here} \
      -comment "Divided clocks go through prim_clock_div, which use muxes for scan bypass and clock step down"

# Combo loops through uart loopback can be ignored
waive -rules {COMBO_LOOP} -location {top_earlgrey_asic.sv} -regexp {'tx' driven in module 'uart_core' by 'rx' at uart_core.sv} \
      -comment "there is technically a loopback path through uart, however RX / TX should never be configured to the same pin"

waive -rules {SAME_NAME_TYPE} -location {*} -regexp {.*} \
      -comment "same names across modules are allowed to exist at the top level"

## xbar
#waive -rules HIER_NET_NOT_READ -location {tlul_xbar.sv} -regexp {a_source.* is not read from} \
#      -comment "upper bits of a_source are shifted off when going through M:1 sockets"
#waive -rules LINE_LENGTH -location {xbar_main.sv} -regexp {Line length of .* exceeds 100 character limit} \
#      -comment "This is a generated file and it is hence permissible to have line lengths that exceed this limit"