mor1kx-bemicrocv/bench/bench_top.vhd
2016-08-04 19:22:38 +02:00

85 lines
2.4 KiB
VHDL

library ieee;
use ieee.std_logic_1164.all;
use ieee.numeric_std.all;
library design;
use design.all;
library ip;
use ip.wishbone_package.all;
entity bench_top is
end entity bench_top;
architecture RTL of bench_top is
signal clk_hw : std_logic;
signal rst_hw : std_logic;
signal GPIOA : std_logic_vector(wishbone_data_width - 1 downto 0);
signal jinn_uart_rx : std_logic;
signal jinn_uart_tx : std_logic;
signal uart_rx : std_logic;
signal uart_tx : std_logic;
-- DDR3
signal mem_a : std_logic_vector(12 downto 0);
signal mem_ba : std_logic_vector(2 downto 0);
signal mem_ck : std_logic_vector(0 downto 0);
signal mem_ck_n : std_logic_vector(0 downto 0);
signal mem_cke : std_logic_vector(0 downto 0);
signal mem_cs_n : std_logic_vector(0 downto 0);
signal mem_dm : std_logic_vector(1 downto 0);
signal mem_ras_n : std_logic_vector(0 downto 0);
signal mem_cas_n : std_logic_vector(0 downto 0);
signal mem_we_n : std_logic_vector(0 downto 0);
signal mem_reset_n : std_logic;
signal mem_dq : std_logic_vector(15 downto 0);
signal mem_dqs : std_logic_vector(1 downto 0);
signal mem_dqs_n : std_logic_vector(1 downto 0);
signal mem_odt : std_logic_vector(0 downto 0);
signal oct_rzqin : std_logic;
begin
top_inst : entity design.top
port map(
clk_hw => clk_hw,
rst_hw => rst_hw,
GPIOA => GPIOA,
jinn_uart_rx => jinn_uart_rx,
jinn_uart_tx => jinn_uart_tx,
uart_rx => uart_rx,
uart_tx => uart_tx,
mem_a => mem_a,
mem_ba => mem_ba,
mem_ck => mem_ck,
mem_ck_n => mem_ck_n,
mem_cke => mem_cke,
mem_cs_n => mem_cs_n,
mem_dm => mem_dm,
mem_ras_n => mem_ras_n,
mem_cas_n => mem_cas_n,
mem_we_n => mem_we_n,
mem_reset_n => mem_reset_n,
mem_dq => mem_dq,
mem_dqs => mem_dqs,
mem_dqs_n => mem_dqs_n,
mem_odt => mem_odt,
oct_rzqin => oct_rzqin
);
clock_driver : process
constant period : time := 10 ns;
begin
clk_hw <= '0';
wait for period / 2;
clk_hw <= '1';
wait for period / 2;
end process clock_driver;
test : process is
begin
rst_hw <= '0';
wait for 50 ns;
rst_hw <= '1';
wait;
end process test;
end architecture RTL;