ddr2_test_8bit.vhd

XILINX memory interface generator. XILINX的外部存储器接口。

library IEEE;
use IEEE.std_logic_1164.all;
use ieee.std_logic_unsigned.all;
use work.parameter_8bit.all;
--library synplify; 
--use synplify.attributes.all;
--
-- pragma translate_off
library UNISIM;
use UNISIM.VCOMPONENTS.ALL;
-- pragma translate_on
--
entity   ddr2_test_8bit  is
port(
dip1              : in STD_LOGIC;
dip2              : in std_logic;
dip3              : in std_logic;
--XST_REMOVECOMMENT clk180 : in std_logic;
--XST_REMOVECOMMENT clk270 : in std_logic;
reset_in          : in STD_LOGIC;
rst_dqs_div_in    : in std_logic;
rst_dqs_div_out   : out std_logic;
ddr2_casb         : out STD_LOGIC;
	 delay_sel_val     : in STD_LOGIC_VECTOR(4 downto 0); 
	 clk_int           : in std_logic; 
 wait_200us       : in std_logic; 
	 clk90_int         : in std_logic; 
	 sys_rst_val       : in std_logic; 
	 sys_rst90_val     : in std_logic; 
	 sys_rst180_val    : in std_logic; 
	 sys_rst270_val    : in std_logic; 
ddr2_cke          : out STD_LOGIC;
ddr2_clk0         : out STD_LOGIC;
ddr2_clk0b        : out STD_LOGIC;
ddr2_clk1         : out STD_LOGIC;
ddr2_clk1b        : out STD_LOGIC;
ddr2_csb          : out STD_LOGIC;
ddr2_rasb         : out STD_LOGIC;
ddr2_web          : out STD_LOGIC;
ddr2_ODT0         : out STD_LOGIC;
ddr2_address      : out STD_LOGIC_VECTOR((row_address_p - 1) downto 0);
ddr2_ba           : out STD_LOGIC_VECTOR((bank_address_p - 1) downto 0);
ddr2_dm           : out STD_LOGIC;
led_error_output1 : out std_logic;
ddr2_dqs          : inout STD_LOGIC_VECTOR(1 downto 0);
ddr2_dq           : inout STD_LOGIC_VECTOR(7 downto 0)
);
end   ddr2_test_8bit;  
architecture   arc_ddr2_test_8bit of   ddr2_test_8bit    is
---- Component declarations -----
component	ddr2_test_bench_8bit 
port(
dip2             : in std_logic;
--XST_REMOVECOMMENT clk180 : in std_logic;
clk90            : in std_logic;
fpga_clk     :   in std_logic; 
fpga_rst0     :   in std_logic; 
fpga_rst90     :   in std_logic; 
fpga_rst180     :   in std_logic; 
fpga_rst270     :   in std_logic; 
burst_done	:	out	std_logic; 
INIT_DONE        : in std_logic;
 auto_ref_req            : in std_logic; 
ar_done          : in std_logic;
u_ack            : in std_logic;
u_data_val       : in std_logic;
u_data_o         : in std_logic_vector(15  downto 0);
u_addr           : out std_logic_vector(((row_address_p + column_address_p + bank_address_p)-1) downto 0);
u_cmd            : out std_logic_vector(3 downto 0);
u_data_i         : out std_logic_vector(15  downto 0);
u_data_m         : out std_logic_vector((mask_width-1) downto 0);
u_config_parms1  : out std_logic_vector(14 downto 0);
u_config_parms2  : out std_logic_vector(12 downto 0);
led_error_output : out std_logic
);
end component;
component	ddr2_top_8bit 
port(
dip1                  : in std_logic;   
dip3                  : in std_logic;   
--XST_REMOVECOMMENT clk180 : in std_logic;
--XST_REMOVECOMMENT clk270 : in std_logic;
rst_dqs_div_in   			  : in std_logic;
rst_dqs_div_out       : out std_logic;
reset_in              : in std_logic;    
user_input_data       : in std_logic_vector(15 downto 0);
user_data_mask        : in std_logic_vector((mask_width-1) downto 0);
user_output_data      : out std_logic_vector(15 downto 0):=(OTHERS => 'Z');
user_data_valid       : out std_logic;
user_input_address    : in std_logic_vector(((row_address_p + column_address_p)-1) downto 0);
user_bank_address     : in std_logic_vector((bank_address_p-1) downto 0);
user_config_register1 : in std_logic_vector(14 downto 0);
user_config_register2 : in std_logic_vector(12 downto 0);
user_command_register : in std_logic_vector(3 downto 0);
user_cmd_ack          : out std_logic;      
burst_done            : in std_logic;
init_val              : out std_logic;
 auto_ref_req            : out std_logic; 
ar_done               : out std_logic;
ddr_dqs               : inout std_logic_vector(1  downto 0);
ddr_dq                : inout std_logic_vector(7 downto 0):= (OTHERS => 'Z');
ddr_cke               : out std_logic;
ddr_csb               : out std_logic;
ddr_rasb              : out std_logic;
ddr_casb              : out std_logic;
ddr_web               : out std_logic;
ddr_dm                : out std_logic; 
ddr_ba                : out std_logic_vector((bank_address_p-1) downto 0);
ddr_address           : out std_logic_vector((row_address_p-1) downto 0);
	 delay_sel_val     : in STD_LOGIC_VECTOR(4 downto 0); 
	 clk_int           : in std_logic; 
 wait_200us       : in std_logic; 
	 clk90_int         : in std_logic; 
	 sys_rst       : in std_logic; 
	 sys_rst90     : in std_logic; 
	 sys_rst180    : in std_logic; 
ddr_ODT0              : out std_logic;
ddr2_clk0             : out std_logic;
ddr2_clk0b            : out std_logic;
ddr2_clk1             : out std_logic;
ddr2_clk1b            : out std_logic;
	 sys_rst270    : in std_logic 
);
end component;
---- Signal declarations used on the diagram ----
signal user_output_data : std_logic_vector(15  downto 0);
signal u1_address              : std_logic_vector(((row_address_p + column_address_p + bank_address_p)-1) downto 0);
signal user_data_val1          : std_logic;
signal u1_config_parms1        : std_logic_vector(14 downto 0);
signal u1_config_parms2        : std_logic_vector(12 downto 0);
signal user_cmd1               : std_logic_vector(3 downto 0);
 signal auto_ref_req            : std_logic; 
signal user_ack1               : std_logic;
signal user_ack2               : std_logic;
signal u1_data_i               : std_logic_vector(15  downto 0);
signal u1_data_m               : std_logic_vector((mask_width-1) downto 0);
signal burst_done_val1         : std_logic;
signal init_val1               : std_logic;
 signal pass_val1               : std_logic;
signal ar_done_val1            : std_logic;
signal data_valid_out1         : std_logic;
begin
----  Component instantiations  ----
ddr2_top0	:	ddr2_top_8bit	port	map( 
 auto_ref_req    =>  auto_ref_req, 
 wait_200us    =>  wait_200us, 
dip1                   =>   dip1,
dip3                   =>   dip3,
clk_int             => clk_int,
--XST_REMOVECOMMENT clk180 => clk180,
--XST_REMOVECOMMENT clk270 => clk270,
rst_dqs_div_in	        =>   rst_dqs_div_in,
rst_dqs_div_out	       =>   rst_dqs_div_out,
reset_in               =>   reset_in,
user_input_data        =>   u1_data_i,
user_data_mask         =>    u1_data_m,
user_output_data       =>   user_output_data,
user_data_valid        =>   user_data_val1,
user_input_address     =>   u1_address(((row_address_p + column_address_p + bank_address_p)-1) downto bank_address_p),
user_bank_address      =>   u1_address((bank_address_p-1) downto 0),
user_config_register1  =>   u1_config_parms1,
user_config_register2  =>   u1_config_parms2,
user_command_register  =>   user_cmd1,
 user_cmd_ack           =>   user_ack1,
burst_done             =>   burst_done_val1,
init_val               =>   init_val1,
 ar_done                =>   ar_done_val1,
ddr_dqs                =>   ddr2_dqs,
ddr_dq                 =>   ddr2_dq,
ddr_cke                =>   ddr2_cke,
ddr_csb                =>   ddr2_csb,
ddr_rasb               =>   ddr2_rasb,
ddr_casb               =>   ddr2_casb,
ddr_web                =>   ddr2_web,
ddr_dm                 =>   ddr2_dm,
ddr_ba                 =>   ddr2_ba,
ddr_address            =>   ddr2_address,
ddr_ODT0               =>   ddr2_ODT0,
ddr2_clk0              =>   ddr2_clk0,
ddr2_clk0b             =>   ddr2_clk0b,
ddr2_clk1              =>   ddr2_clk1,
ddr2_clk1b             =>   ddr2_clk1b,
clk90_int	=>	clk90_int, 
delay_sel_val          =>    delay_sel_val, 
sys_rst	=>	sys_rst_val, 
sys_rst90	=>	sys_rst90_val, 
sys_rst180	=>	sys_rst180_val, 
sys_rst270	=>	sys_rst270_val 
);                                            
ddr2_test_bench0	:	ddr2_test_bench_8bit	port	map	( 
 auto_ref_req    =>  auto_ref_req, 
fpga_clk       => clk_int, 
dip2                  => dip1 ,
--XST_REMOVECOMMENT clk180 =>  clk180,
fpga_rst90	=>	sys_rst90_val, 
fpga_rst0	=>	sys_rst_val, 
fpga_rst180	=>	sys_rst180_val, 
fpga_rst270	=>	sys_rst270_val, 
clk90                 => clk90_int,
burst_done            => burst_done_val1,
INIT_DONE             => init_val1,
 ar_done               => ar_done_val1,
u_ack                 => user_ack1,
u_data_val            => user_data_val1,
u_data_o              => user_output_data,
u_addr                => u1_address,
u_cmd                 => user_cmd1, 
 u_data_i              => u1_data_i,
u_data_m              => u1_data_m,
u_config_parms1       => u1_config_parms1,
u_config_parms2       => u1_config_parms2,
led_error_output      => led_error_output1
);
end   arc_ddr2_test_8bit;