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Add neorv32_aes design

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T. Meissner 2 years ago
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3 changed files with 254 additions and 0 deletions
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  1. +119
    -0
      neorv32_aes/rtl/neorv32_aes.vhd
  2. +110
    -0
      neorv32_aes/syn/Makefile
  3. +25
    -0
      neorv32_aes/syn/neorv32_aes.ccf

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neorv32_aes/rtl/neorv32_aes.vhd View File

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-- #################################################################################################
-- # << NEORV32 - Example setup including the bootloader, for the Gatemate (c) Eval Board >> #
-- # ********************************************************************************************* #
-- # BSD 3-Clause License #
-- # #
-- # Copyright (c) 2022, Torsten Meissner. All rights reserved. #
-- # #
-- # Redistribution and use in source and binary forms, with or without modification, are #
-- # permitted provided that the following conditions are met: #
-- # #
-- # 1. Redistributions of source code must retain the above copyright notice, this list of #
-- # conditions and the following disclaimer. #
-- # #
-- # 2. Redistributions in binary form must reproduce the above copyright notice, this list of #
-- # conditions and the following disclaimer in the documentation and/or other materials #
-- # provided with the distribution. #
-- # #
-- # 3. Neither the name of the copyright holder nor the names of its contributors may be used to #
-- # endorse or promote products derived from this software without specific prior written #
-- # permission. #
-- # #
-- # THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS #
-- # OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF #
-- # MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE #
-- # COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, #
-- # EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE #
-- # GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED #
-- # AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING #
-- # NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED #
-- # OF THE POSSIBILITY OF SUCH DAMAGE. #
-- # ********************************************************************************************* #
-- # The NEORV32 Processor - https://github.com/stnolting/neorv32 (c) Stephan Nolting #
-- #################################################################################################
library ieee;
use ieee.std_logic_1164.all;
use ieee.numeric_std.all;
library gatemate;
use gatemate.components.all;
entity neorv32_aes is
port (
-- Clock and Reset inputs
clk_i : in std_logic; -- 10 MHz clock
rst_n_i : in std_logic; -- SW3 button
-- LED outputs
led_n_o : out std_logic_vector(7 downto 0);
-- UART0
uart_rx_i : in std_logic; -- PMODA IO
uart_tx_o : out std_logic -- PMODA IO
);
end entity;
architecture rtl of neorv32_aes is
-- configuration --
constant f_clock_c : natural := 26_000_000; -- clock frequency in Hz
-- Globals
signal s_pll_lock : std_logic;
signal s_pll_clk : std_logic;
signal s_cfg_end : std_logic;
signal s_rst_n : std_logic;
signal s_con_pwm : std_logic_vector(2 downto 0);
begin
PLL : CC_PLL
generic map (
REF_CLK => "10",
OUT_CLK => "26",
PERF_MD => "SPEED"
)
port map (
CLK_REF => clk_i,
USR_CLK_REF => '0',
CLK_FEEDBACK => '0',
USR_LOCKED_STDY_RST => '0',
USR_PLL_LOCKED_STDY => open,
USR_PLL_LOCKED => s_pll_lock,
CLK0 => s_pll_clk,
CLK90 => open,
CLK180 => open,
CLK270 => open,
CLK_REF_OUT => open
);
cfg_end : CC_CFG_END
port map (
CFG_END => s_cfg_end
);
s_rst_n <= s_pll_lock and s_cfg_end and rst_n_i;
-- The core of the problem ----------------------------------------------------------------
-- -------------------------------------------------------------------------------------------
neorv32_inst: entity work.neorv32_ProcessorTop_Minimal
generic map (
CLOCK_FREQUENCY => f_clock_c -- clock frequency of s_pll_clk in Hz
)
port map (
-- Global control --
clk_i => std_ulogic(s_pll_clk),
rstn_i => std_ulogic(s_rst_n),
-- PWM (to on-board RGB LED) --
pwm_o => s_con_pwm
);
-- IO Connection --------------------------------------------------------------------------
-- -------------------------------------------------------------------------------------------
led_n_o(4 downto 0) <= (others => '1');
led_n_o(7 downto 5) <= s_con_pwm;
uart_tx_o <= uart_rx_i;
end architecture;

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neorv32_aes/syn/Makefile View File

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DESIGN_NAME := neorv32_aes
NEORV32_CORE_DIR := ../../neorv32/rtl/core
NEORV32_PKG := $(NEORV32_CORE_DIR)/neorv32_package.vhd
NEORV32_APP_SRC := $(NEORV32_CORE_DIR)/neorv32_application_image.vhd
NEORV32_TEMPLATES := ../../neorv32/rtl/processor_templates
NEORV32_MEM_ENTITIES := \
$(NEORV32_CORE_DIR)/neorv32_dmem.entity.vhd \
$(NEORV32_CORE_DIR)/neorv32_imem.entity.vhd
NEORV32_MEM_SRC := \
$(NEORV32_CORE_DIR)/mem/neorv32_imem.default.vhd \
$(NEORV32_CORE_DIR)/mem/neorv32_dmem.default.vhd
NEORV32_CORE_SRC := \
$(NEORV32_CORE_DIR)/neorv32_bootloader_image.vhd \
$(NEORV32_CORE_DIR)/neorv32_boot_rom.vhd \
$(NEORV32_CORE_DIR)/neorv32_bus_keeper.vhd \
$(NEORV32_CORE_DIR)/neorv32_busswitch.vhd \
$(NEORV32_CORE_DIR)/neorv32_cfs.vhd \
$(NEORV32_CORE_DIR)/neorv32_cpu.vhd \
$(NEORV32_CORE_DIR)/neorv32_cpu_alu.vhd \
$(NEORV32_CORE_DIR)/neorv32_cpu_bus.vhd \
$(NEORV32_CORE_DIR)/neorv32_cpu_control.vhd \
$(NEORV32_CORE_DIR)/neorv32_cpu_cp_bitmanip.vhd \
$(NEORV32_CORE_DIR)/neorv32_cpu_cp_cfu.vhd \
$(NEORV32_CORE_DIR)/neorv32_cpu_cp_fpu.vhd \
$(NEORV32_CORE_DIR)/neorv32_cpu_cp_muldiv.vhd \
$(NEORV32_CORE_DIR)/neorv32_cpu_cp_shifter.vhd \
$(NEORV32_CORE_DIR)/neorv32_cpu_decompressor.vhd \
$(NEORV32_CORE_DIR)/neorv32_cpu_regfile.vhd \
$(NEORV32_CORE_DIR)/neorv32_debug_dm.vhd \
$(NEORV32_CORE_DIR)/neorv32_debug_dtm.vhd \
$(NEORV32_CORE_DIR)/neorv32_fifo.vhd \
$(NEORV32_CORE_DIR)/neorv32_gpio.vhd \
$(NEORV32_CORE_DIR)/neorv32_gptmr.vhd \
$(NEORV32_CORE_DIR)/neorv32_icache.vhd \
$(NEORV32_CORE_DIR)/neorv32_mtime.vhd \
$(NEORV32_CORE_DIR)/neorv32_neoled.vhd \
$(NEORV32_CORE_DIR)/neorv32_onewire.vhd \
$(NEORV32_CORE_DIR)/neorv32_pwm.vhd \
$(NEORV32_CORE_DIR)/neorv32_slink.vhd \
$(NEORV32_CORE_DIR)/neorv32_spi.vhd \
$(NEORV32_CORE_DIR)/neorv32_sysinfo.vhd \
$(NEORV32_CORE_DIR)/neorv32_top.vhd \
$(NEORV32_CORE_DIR)/neorv32_trng.vhd \
$(NEORV32_CORE_DIR)/neorv32_twi.vhd \
$(NEORV32_CORE_DIR)/neorv32_uart.vhd \
$(NEORV32_CORE_DIR)/neorv32_wdt.vhd \
$(NEORV32_CORE_DIR)/neorv32_wishbone.vhd \
$(NEORV32_CORE_DIR)/neorv32_xip.vhd \
$(NEORV32_CORE_DIR)/neorv32_xirq.vhd
NEORV32_SRC := ${NEORV32_PKG} ${NEORV32_APP_SRC} ${NEORV32_MEM_ENTITIES} \
${NEORV32_MEM_SRC} ${NEORV32_CORE_SRC}
WORK_FILES := $(NEORV32_TEMPLATES)/neorv32_ProcessorTop_Minimal*.vhd ../rtl/${DESIGN_NAME}.vhd
GM_FILES := ../../lib/rtl_components.vhd
GHDL_FLAGS := --std=08 --workdir=build -Pbuild
YOSYSPIPE := -nomx8 -retime
PNRFLAGS := -om 3
PNRTOOL := $(shell which p_r)
.PHONY: all syn imp prog syn_sim imp_sim
all: imp
syn: ${DESIGN_NAME}.v
imp: ${DESIGN_NAME}.bit
build/work-obj08.cf: ${WORK_FILES} build/gatemate-obj08.cf build/neorv32-obj08.cf
ghdl -a ${GHDL_FLAGS} --work=work ${WORK_FILES}
build/neorv32-obj08.cf: build/gatemate-obj08.cf ${NEORV32_SRC}
ghdl -a $(GHDL_FLAGS) --work=neorv32 ${NEORV32_SRC}
build/gatemate-obj08.cf: ${GM_FILES}
mkdir -p build
ghdl -a ${GHDL_FLAGS} --work=gatemate ${GM_FILES}
# Synthesis target for implementation
${DESIGN_NAME}.v: build/work-obj08.cf
yosys -m ghdl -p 'ghdl ${GHDL_FLAGS} --warn-no-binding --no-formal ${DESIGN_NAME}; synth_gatemate -top $(DESIGN_NAME) ${YOSYSPIPE} -vlog $@' \
2>&1 | tee build/yosys-report.txt
# Implementation target for FPGA
${DESIGN_NAME}.bit: ${DESIGN_NAME}.v ${DESIGN_NAME}.ccf
cd build && \
${PNRTOOL} -i ../${DESIGN_NAME}.v -o $@ --ccf ../${DESIGN_NAME}.ccf $(PNRFLAGS) \
2>&1 | tee p_r-report.txt && \
mv ${DESIGN_NAME}*.bit ../$@
# Post-synthesis simulation target
syn_sim: ${DESIGN_NAME}.v
iverilog -g2012 -o tb_${DESIGN_NAME}_syn.vvp ${DESIGN_NAME}.v tb_${DESIGN_NAME}.v /usr/local/share/yosys/gatemate/cells_sim.v
vvp -N tb_${DESIGN_NAME}_syn.vvp -fst
# Post-implementation simulation target
imp_sim: ${DESIGN_NAME}.bit
iverilog -g2012 -o tb_${DESIGN_NAME}_imp.vvp build/${DESIGN_NAME}_00.v tb_${DESIGN_NAME}.v /opt/cc-toolchain-linux/bin/p_r/cpelib.v
vvp -N tb_${DESIGN_NAME}_imp.vvp -fst
# FPGA FW load per JTAG
prog: ${DESIGN_NAME}.bit
openFPGALoader -b gatemate_evb_jtag $<
clean :
echo "# Cleaning files"
rm -rf build ${DESIGN_NAME}.v ${DESIGN_NAME}_sim.v ${DESIGN_NAME}.vhd ${DESIGN_NAME}.bit *.vvp *.fst

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neorv32_aes/syn/neorv32_aes.ccf View File

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# Configuration for the Gatemate eval board
Pin_in "clk_i" Loc = "IO_SB_A8" | SCHMITT_TRIGGER=true;
Pin_in "rst_n_i" Loc = "IO_EB_B0"; # SW3
Pin_out "led_n_o[0]" Loc = "IO_EB_B1"; # LED D1
Pin_out "led_n_o[1]" Loc = "IO_EB_B2"; # LED D2
Pin_out "led_n_o[2]" Loc = "IO_EB_B3"; # LED D3
Pin_out "led_n_o[3]" Loc = "IO_EB_B4"; # LED D4
Pin_out "led_n_o[4]" Loc = "IO_EB_B5"; # LED D5
Pin_out "led_n_o[5]" Loc = "IO_EB_B6"; # LED D6
Pin_out "led_n_o[6]" Loc = "IO_EB_B7"; # LED D7
Pin_out "led_n_o[7]" Loc = "IO_EB_B8"; # LED D8
Pin_in "uart_rx_i" Loc = "IO_NB_A1"; # PMODA IO3
Pin_out "uart_tx_o" Loc = "IO_NB_A0"; # PMODA IO1
Pin_out "debug_o[0]" Loc = "IO_NB_A4";
Pin_out "debug_o[1]" Loc = "IO_NB_A5";
Pin_out "debug_o[2]" Loc = "IO_NB_A6";
Pin_out "debug_o[3]" Loc = "IO_NB_A7";
Pin_out "debug_o[4]" Loc = "IO_NB_B4";
Pin_out "debug_o[5]" Loc = "IO_NB_B5";
Pin_out "debug_o[6]" Loc = "IO_NB_B6";
Pin_out "debug_o[7]" Loc = "IO_NB_B7";

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