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eth: Add RGMII Ethernet MAC with FIFOs module and testbench

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Signed-off-by: Alex Forencich <alex@alexforencich.com>
This commit is contained in:
Alex Forencich
2025-02-16 22:17:42 -08:00
parent 255b26d2f2
commit 94dba88560
5 changed files with 930 additions and 0 deletions
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66
tb/eth/taxi_eth_mac_1g_rgmii_fifo/Makefile Normal file
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# SPDX-License-Identifier: CERN-OHL-S-2.0
#
# Copyright (c) 2020-2025 FPGA Ninja, LLC
#
# Authors:
# - Alex Forencich
TOPLEVEL_LANG = verilog
SIM ?= verilator
WAVES ?= 0
COCOTB_HDL_TIMEUNIT = 1ns
COCOTB_HDL_TIMEPRECISION = 1ps
DUT = taxi_eth_mac_1g_rgmii_fifo
COCOTB_TEST_MODULES = test_$(DUT)
COCOTB_TOPLEVEL = test_$(DUT)
MODULE = $(COCOTB_TEST_MODULES)
TOPLEVEL = $(COCOTB_TOPLEVEL)
VERILOG_SOURCES += $(COCOTB_TOPLEVEL).sv
VERILOG_SOURCES += ../../../rtl/eth/$(DUT).f
# handle file list files
process_f_file = $(call process_f_files,$(addprefix $(dir $1),$(shell cat $1)))
process_f_files = $(foreach f,$1,$(if $(filter %.f,$f),$(call process_f_file,$f),$f))
uniq_base = $(if $1,$(call uniq_base,$(foreach f,$1,$(if $(filter-out $(notdir $(lastword $1)),$(notdir $f)),$f,))) $(lastword $1))
VERILOG_SOURCES := $(call uniq_base,$(call process_f_files,$(VERILOG_SOURCES)))
# module parameters
export PARAM_SIM := 1
export PARAM_VENDOR := "\"XILINX\""
export PARAM_FAMILY := "\"virtex7\""
export PARAM_USE_CLK90 := 1
export PARAM_AXIS_DATA_W := 8
export PARAM_PADDING_EN := 1
export PARAM_MIN_FRAME_LEN := 64
export PARAM_TX_TAG_W := 16
export PARAM_TX_FIFO_DEPTH := 16384
export PARAM_TX_FIFO_RAM_PIPELINE := 1
export PARAM_TX_FRAME_FIFO := 1
export PARAM_TX_DROP_OVERSIZE_FRAME := $(PARAM_TX_FRAME_FIFO)
export PARAM_TX_DROP_BAD_FRAME := $(PARAM_TX_DROP_OVERSIZE_FRAME)
export PARAM_TX_DROP_WHEN_FULL := 0
export PARAM_TX_CPL_FIFO_DEPTH := 64
export PARAM_RX_FIFO_DEPTH := 16384
export PARAM_RX_FIFO_RAM_PIPELINE := 1
export PARAM_RX_FRAME_FIFO := 1
export PARAM_RX_DROP_OVERSIZE_FRAME := $(PARAM_RX_FRAME_FIFO)
export PARAM_RX_DROP_BAD_FRAME := $(PARAM_RX_DROP_OVERSIZE_FRAME)
export PARAM_RX_DROP_WHEN_FULL := $(PARAM_RX_DROP_OVERSIZE_FRAME)
ifeq ($(SIM), icarus)
PLUSARGS += -fst
COMPILE_ARGS += $(foreach v,$(filter PARAM_%,$(.VARIABLES)),-P $(COCOTB_TOPLEVEL).$(subst PARAM_,,$(v))=$($(v)))
else ifeq ($(SIM), verilator)
COMPILE_ARGS += $(foreach v,$(filter PARAM_%,$(.VARIABLES)),-G$(subst PARAM_,,$(v))=$($(v)))
ifeq ($(WAVES), 1)
COMPILE_ARGS += --trace-fst
VERILATOR_TRACE = 1
endif
endif
include $(shell cocotb-config --makefiles)/Makefile.sim