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Started preliminary version of BeagleSynth board.
Started preliminary version of BeagleSynth board.
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testbench.vhd
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jeandet
ICI rockets designs added
 r168 -----------------------------------------------------------------------------
-- LEON3 Demonstration design test bench
-- Copyright (C) 2004 Jiri Gaisler, Gaisler Research
------------------------------------------------------------------------------
-- This file is a part of the GRLIB VHDL IP LIBRARY
-- Copyright (C) 2003 - 2008, Gaisler Research
-- Copyright (C) 2008 - 2012, Aeroflex Gaisler
--
-- This program is free software; you can redistribute it and/or modify
-- it under the terms of the GNU General Public License as published by
-- the Free Software Foundation; either version 2 of the License, or
-- (at your option) any later version.
--
-- This program is distributed in the hope that it will be useful,
-- but WITHOUT ANY WARRANTY; without even the implied warranty of
-- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-- GNU General Public License for more details.
--
-- You should have received a copy of the GNU General Public License
-- along with this program; if not, write to the Free Software
-- Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
------------------------------------------------------------------------------
library ieee;
use ieee.std_logic_1164.all;
library gaisler;
use gaisler.libdcom.all;
use gaisler.sim.all;
library techmap;
use techmap.gencomp.all;
use work.debug.all;
library hynix;
use hynix.components.all;
library micron;
use work.config.all; -- configuration
entity testbench is
generic (
fabtech : integer := CFG_FABTECH;
memtech : integer := CFG_MEMTECH;
padtech : integer := CFG_PADTECH;
clktech : integer := CFG_CLKTECH;
disas : integer := CFG_DISAS; -- Enable disassembly to console
dbguart : integer := CFG_DUART; -- Print UART on console
pclow : integer := CFG_PCLOW
);
end;
architecture behav of testbench is
constant promfile : string := "prom.srec"; -- rom contents
constant sramfile : string := "sram.srec"; -- ram contents
constant sdramfile : string := "sdram.srec"; -- sdram contents
signal clk : std_logic := '0';
signal Rst : std_logic := '0'; -- Reset
constant ct : integer := 40;
signal address : std_logic_vector(24 downto 0);
signal data : std_logic_vector(15 downto 0);
signal button : std_logic_vector(3 downto 0) := "0000";
signal genio : std_logic_vector(59 downto 0);
signal romsn : std_logic;
signal oen : std_ulogic;
signal writen : std_ulogic;
signal GND : std_ulogic := '0';
signal VCC : std_ulogic := '1';
signal NC : std_ulogic := 'Z';
signal txd1, rxd1 : std_logic;
signal txd2, rxd2 : std_logic;
signal ctsn1, rtsn1 : std_ulogic;
signal ctsn2, rtsn2 : std_ulogic;
signal phy_mii_data: std_logic; -- ethernet PHY interface
signal phy_tx_clk : std_ulogic;
signal phy_rx_clk : std_ulogic;
signal phy_rx_data : std_logic_vector(7 downto 0);
signal phy_dv : std_ulogic;
signal phy_rx_er : std_ulogic;
signal phy_col : std_ulogic;
signal phy_crs : std_ulogic;
signal phy_tx_data : std_logic_vector(7 downto 0);
signal phy_tx_en : std_ulogic;
signal phy_tx_er : std_ulogic;
signal phy_mii_clk : std_ulogic;
signal phy_rst_n : std_ulogic;
signal phy_gtx_clk : std_ulogic;
signal phy_mii_int_n : std_ulogic;
signal clk27 : std_ulogic := '0';
signal clk200p : std_ulogic := '0';
signal clk200n : std_ulogic := '1';
signal clk33 : std_ulogic := '0';
signal iic_scl : std_ulogic;
signal iic_sda : std_ulogic;
signal ddc_scl : std_ulogic;
signal ddc_sda : std_ulogic;
signal dvi_iic_scl : std_logic;
signal dvi_iic_sda : std_logic;
signal tft_lcd_data : std_logic_vector(11 downto 0);
signal tft_lcd_clk_p : std_ulogic;
signal tft_lcd_clk_n : std_ulogic;
signal tft_lcd_hsync : std_ulogic;
signal tft_lcd_vsync : std_ulogic;
signal tft_lcd_de : std_ulogic;
signal tft_lcd_reset_b : std_ulogic;
-- DDR2 memory
signal ddr_clk : std_logic;
signal ddr_clkb : std_logic;
signal ddr_clk_fb : std_logic;
signal ddr_cke : std_logic;
signal ddr_csb : std_logic := '0';
signal ddr_we : std_ulogic; -- write enable
signal ddr_ras : std_ulogic; -- ras
signal ddr_cas : std_ulogic; -- cas
signal ddr_dm : std_logic_vector(1 downto 0); -- dm
signal ddr_dqs : std_logic_vector(1 downto 0); -- dqs
signal ddr_dqsn : std_logic_vector(1 downto 0); -- dqsn
signal ddr3_tdqs_n : std_logic_vector(1 downto 0); -- dqsn
signal ddr_ad : std_logic_vector(12 downto 0); -- address
signal ddr_ba : std_logic_vector(2 downto 0); -- bank address
signal ddr_dq : std_logic_vector(15 downto 0); -- data
signal ddr_dq2 : std_logic_vector(15 downto 0); -- data
signal ddr_odt : std_logic;
signal ddr_reset_n: std_logic;
signal ddr_rzq : std_logic;
signal ddr_zio : std_logic;
-- SPI flash
signal spi_sel_n : std_ulogic;
signal spi_clk : std_ulogic;
signal spi_mosi : std_ulogic;
signal dsurst : std_ulogic;
signal errorn : std_logic;
signal switch : std_logic_vector(3 downto 0); -- I/O port
signal led : std_logic_vector(3 downto 0); -- I/O port
constant lresp : boolean := false;
begin
-- clock and reset
clk27 <= not clk27 after ct * 1 ns;
clk33 <= not clk33 after 15 ns;
clk200p <= not clk200p after 2.5 ns;
clk200n <= not clk200n after 2.5 ns;
rst <= not dsurst;
rxd1 <= 'H'; ctsn1 <= '0';
rxd2 <= 'H'; ctsn2 <= '0';
button <= "0000";
switch <= "0000";
cpu : entity work.leon3mp
generic map ( fabtech, memtech, padtech, clktech,
disas, dbguart, pclow )
port map (rst, clk27, clk200p, clk200n, clk33, address(24 downto 1),
data, oen, writen, romsn,
ddr_clk, ddr_clkb, ddr_cke, ddr_odt, ddr_reset_n, ddr_we, ddr_ras, ddr_cas, ddr_dm,
ddr_dqs, ddr_dqsn, ddr_ad, ddr_ba, ddr_dq, ddr_rzq, ddr_zio,
txd1, rxd1, ctsn1, rtsn1, button,
switch, led,
phy_gtx_clk, phy_mii_data, phy_tx_clk, phy_rx_clk,
phy_rx_data, phy_dv, phy_rx_er, phy_col, phy_crs, phy_tx_data,
phy_tx_en, phy_tx_er, phy_mii_clk, phy_rst_n, phy_mii_int_n,
iic_scl, iic_sda, ddc_scl, ddc_sda,
dvi_iic_scl, dvi_iic_sda,
tft_lcd_data, tft_lcd_clk_p, tft_lcd_clk_n, tft_lcd_hsync,
tft_lcd_vsync, tft_lcd_de, tft_lcd_reset_b,
spi_sel_n, spi_clk, spi_mosi
);
-- prom0 : sram generic map (index => 6, abits => romdepth, fname => promfile)
-- port map (address(romdepth-1 downto 0), data(31 downto 24), romsn,
-- writen, oen);
prom0 : for i in 0 to 1 generate
sr0 : sram generic map (index => i+4, abits => 24, fname => promfile)
port map (address(24 downto 1), data(15-i*8 downto 8-i*8), romsn,
writen, oen);
end generate;
address(0) <= '0';
u1 : entity micron.ddr3
port map ( rst_n => ddr_reset_n, dq => ddr_dq,
tdqs_n => ddr3_tdqs_n,
dqs => ddr_dqs, dqs_n => ddr_dqsn,
dm_tdqs => ddr_dm, we_n => ddr_we, cas_n => ddr_cas,
ras_n => ddr_ras, cs_n => ddr_csb, ba => ddr_ba,
addr => ddr_ad(12 downto 0), cke => ddr_cke,
ck => ddr_clk, ck_n => ddr_clkb, odt => ddr_odt) ;
errorn <= led(1);
errorn <= 'H'; -- ERROR pull-up
phy0 : if (CFG_GRETH = 1) generate
phy_mii_data <= 'H';
p0: phy
generic map (address => 7)
port map(phy_rst_n, phy_mii_data, phy_tx_clk, phy_rx_clk, phy_rx_data,
phy_dv, phy_rx_er, phy_col, phy_crs, phy_tx_data, phy_tx_en,
phy_tx_er, phy_mii_clk, phy_gtx_clk);
end generate;
iuerr : process
begin
wait for 5000 ns;
if to_x01(errorn) = '1' then wait on errorn; end if;
assert (to_x01(errorn) = '1')
report "*** IU in error mode, simulation halted ***"
severity failure ;
end process;
data <= buskeep(data) after 5 ns;
dsucom : process
procedure dsucfg(signal dsurx : in std_ulogic; signal dsutx : out std_ulogic) is
variable w32 : std_logic_vector(31 downto 0);
variable c8 : std_logic_vector(7 downto 0);
constant txp : time := 320 * 1 ns;
begin
dsutx <= '1';
dsurst <= '0';
wait for 2500 ns;
dsurst <= '1';
wait;
wait for 5000 ns;
txc(dsutx, 16#55#, txp); -- sync uart
txc(dsutx, 16#c0#, txp);
txa(dsutx, 16#90#, 16#00#, 16#00#, 16#00#, txp);
txa(dsutx, 16#00#, 16#00#, 16#20#, 16#2e#, txp);
wait for 25000 ns;
txc(dsutx, 16#c0#, txp);
txa(dsutx, 16#90#, 16#00#, 16#00#, 16#20#, txp);
txa(dsutx, 16#00#, 16#00#, 16#00#, 16#01#, txp);
txc(dsutx, 16#c0#, txp);
txa(dsutx, 16#90#, 16#40#, 16#00#, 16#24#, txp);
txa(dsutx, 16#00#, 16#00#, 16#00#, 16#0D#, txp);
txc(dsutx, 16#c0#, txp);
txa(dsutx, 16#90#, 16#70#, 16#11#, 16#78#, txp);
txa(dsutx, 16#91#, 16#00#, 16#00#, 16#0D#, txp);
txa(dsutx, 16#90#, 16#40#, 16#00#, 16#44#, txp);
txa(dsutx, 16#00#, 16#00#, 16#20#, 16#00#, txp);
txc(dsutx, 16#80#, txp);
txa(dsutx, 16#90#, 16#40#, 16#00#, 16#44#, txp);
wait;
txc(dsutx, 16#c0#, txp);
txa(dsutx, 16#00#, 16#00#, 16#0a#, 16#aa#, txp);
txa(dsutx, 16#00#, 16#55#, 16#00#, 16#55#, txp);
txc(dsutx, 16#c0#, txp);
txa(dsutx, 16#00#, 16#00#, 16#0a#, 16#a0#, txp);
txa(dsutx, 16#01#, 16#02#, 16#09#, 16#33#, txp);
txc(dsutx, 16#c0#, txp);
txa(dsutx, 16#90#, 16#00#, 16#00#, 16#00#, txp);
txa(dsutx, 16#00#, 16#00#, 16#00#, 16#2e#, txp);
txc(dsutx, 16#c0#, txp);
txa(dsutx, 16#91#, 16#00#, 16#00#, 16#00#, txp);
txa(dsutx, 16#00#, 16#00#, 16#00#, 16#2e#, txp);
txc(dsutx, 16#c0#, txp);
txa(dsutx, 16#90#, 16#00#, 16#00#, 16#20#, txp);
txa(dsutx, 16#00#, 16#00#, 16#00#, 16#0f#, txp);
txc(dsutx, 16#c0#, txp);
txa(dsutx, 16#90#, 16#00#, 16#00#, 16#20#, txp);
txa(dsutx, 16#00#, 16#00#, 16#00#, 16#00#, txp);
txc(dsutx, 16#c0#, txp);
txa(dsutx, 16#80#, 16#00#, 16#02#, 16#10#, txp);
txa(dsutx, 16#00#, 16#00#, 16#00#, 16#0f#, txp);
txc(dsutx, 16#c0#, txp);
txa(dsutx, 16#91#, 16#40#, 16#00#, 16#24#, txp);
txa(dsutx, 16#00#, 16#00#, 16#00#, 16#24#, txp);
txc(dsutx, 16#c0#, txp);
txa(dsutx, 16#91#, 16#70#, 16#00#, 16#00#, txp);
txa(dsutx, 16#00#, 16#00#, 16#00#, 16#03#, txp);
txc(dsutx, 16#c0#, txp);
txa(dsutx, 16#90#, 16#00#, 16#00#, 16#20#, txp);
txa(dsutx, 16#00#, 16#00#, 16#ff#, 16#ff#, txp);
txc(dsutx, 16#c0#, txp);
txa(dsutx, 16#90#, 16#40#, 16#00#, 16#48#, txp);
txa(dsutx, 16#00#, 16#00#, 16#00#, 16#12#, txp);
txc(dsutx, 16#c0#, txp);
txa(dsutx, 16#90#, 16#40#, 16#00#, 16#60#, txp);
txa(dsutx, 16#00#, 16#00#, 16#12#, 16#10#, txp);
txc(dsutx, 16#80#, txp);
txa(dsutx, 16#90#, 16#00#, 16#00#, 16#00#, txp);
rxi(dsurx, w32, txp, lresp);
txc(dsutx, 16#a0#, txp);
txa(dsutx, 16#40#, 16#00#, 16#00#, 16#00#, txp);
rxi(dsurx, w32, txp, lresp);
end;
begin
dsucfg(txd2, rxd2);
wait;
end process;
end ;