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Commit 77934c08 authored by Job van Wee's avatar Job van Wee
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only a test bench is needed for ddrctrl_controller.

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1 merge request!232Resolve L2SDP-667
Pipeline #27644 failed
Stage: simulation
Stage: synthesis
Stage: hardware
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applications/lofar2/libraries/ddrctrl/hdllib.cfg
+ 0
− 1
View file @ 77934c08
......@@ -11,7 +11,6 @@ synth_files =
src/vhdl/ddrctrl_input.vhd
src/vhdl/ddrctrl_controller.vhd
src/vhdl/ddrctrl.vhd
src/vhdl/ddrctrl_pkg.vhd
test_bench_files =
tb/vhdl/tb_ddrctrl_input_address_counter.vhd
......
applications/lofar2/libraries/ddrctrl/src/vhdl/ddrctrl.vhd
+ 4
− 5
View file @ 77934c08
......@@ -32,7 +32,7 @@
-- https://support.astron.nl/confluence/display/SBe/VHDL+design+patterns+for+RTL+coding
-- The maximum value of the address is determend by g_tech_ddr.
LIBRARY IEEE, technology_lib, tech_ddr_lib, common_lib, dp_lib, io_ddr_lib, lofar2_ddrctrl_lib;
LIBRARY IEEE, technology_lib, tech_ddr_lib, common_lib, dp_lib, io_ddr_lib;
USE IEEE.std_logic_1164.ALL;
USE IEEE.numeric_std.ALL;
USE technology_lib.technology_pkg.ALL;
......@@ -42,7 +42,6 @@ USE common_lib.common_pkg.ALL;
USE common_lib.common_mem_pkg.ALL;
USE dp_lib.dp_stream_pkg.ALL;
USE io_ddr_lib.ALL;
USE lofar2_ddrctrl_lib.ddrctrl_pkg.ALL;
ENTITY ddrctrl IS
......@@ -52,7 +51,7 @@ ENTITY ddrctrl IS
g_technology : NATURAL := c_tech_select_default;
g_nof_streams : NATURAL := 12; -- number of input streams
g_data_w : NATURAL := 14; -- data with of input data vectors
g_stop_pos : t_c_stop_pos
g_stop_percentage : NATURAL := 50
);
PORT (
clk : IN STD_LOGIC := '0';
......@@ -196,7 +195,7 @@ BEGIN
u_ddrctrl_controller : ENTITY work.ddrctrl_controller
GENERIC MAP(
g_tech_ddr => g_tech_ddr,
g_stop_pos => g_stop_pos
g_stop_percentage => g_stop_percentage
)
PORT MAP(
clk => clk,
......
applications/lofar2/libraries/ddrctrl/src/vhdl/ddrctrl_controller.vhd
+ 45
− 55
View file @ 77934c08
......@@ -27,20 +27,19 @@
-- https://support.astron.nl/confluence/display/SBe/VHDL+design+patterns+for+RTL+coding
--
LIBRARY IEEE, dp_lib, common_lib, tech_ddr_lib, lofar2_ddrctrl_lib;
LIBRARY IEEE, dp_lib, common_lib, tech_ddr_lib;
USE IEEE.std_logic_1164.ALL;
USE IEEE.numeric_std.ALL;
USE dp_lib.dp_stream_pkg.ALL;
USE common_lib.common_mem_pkg.ALL;
USE common_lib.common_pkg.ALL;
USE tech_ddr_lib.tech_ddr_pkg.ALL;
USE lofar2_ddrctrl_lib.ddrctrl_pkg.ALL;
ENTITY ddrctrl_controller IS
GENERIC (
g_tech_ddr : t_c_tech_ddr;
g_stop_pos : t_c_stop_pos
g_stop_percentage : NATURAL := 50
);
PORT (
clk : IN STD_LOGIC;
......@@ -67,6 +66,7 @@ ARCHITECTURE rtl OF ddrctrl_controller IS
CONSTANT c_bitshift_adr : NATURAL := ceil_log2(c_burstsize);
CONSTANT c_adr_w : NATURAL := func_tech_ddr_ctlr_address_w( g_tech_ddr ); -- the lengt of the address vector, for simulation this is smaller, otherwise the simulation would take to long, 27
CONSTANT c_max_adr : NATURAL := 2**(c_adr_w)-1; -- the maximal address that is possible within the vector length of the address
CONSTANT c_pof_ma : NATURAL := (c_max_adr*(100-g_stop_percentage))/100;
CONSTANT c_zeros : STD_LOGIC_VECTOR(c_bitshift_adr-1 DOWNTO 0) := (OTHERS => '0');
-- type for statemachine
......@@ -78,7 +78,7 @@ ARCHITECTURE rtl OF ddrctrl_controller IS
state : t_state;
-- signals
stop_adr : NATURAL;
stop_adr : STD_LOGIC_VECTOR(c_adr_w-1 DOWNTO 0);
stopped : STD_LOGIC;
-- output
......@@ -87,7 +87,7 @@ ARCHITECTURE rtl OF ddrctrl_controller IS
rd_siso : t_dp_siso;
END RECORD;
CONSTANT c_t_reg_init : t_reg := (RESET, 0, '0', c_mem_ctlr_mosi_rst, c_dp_sosi_init, c_dp_siso_rst);
CONSTANT c_t_reg_init : t_reg := (RESET, TO_UVEC(c_max_adr, c_adr_w), '0', c_mem_ctlr_mosi_rst, c_dp_sosi_init, c_dp_siso_rst);
-- signals for readability
......@@ -133,29 +133,13 @@ BEGIN
WHEN SET_STOP =>
--setting a stop address dependend on the g_stop_pos
IF g_stop_pos=START THEN
v.stop_adr := 0;
END IF;
IF g_stop_pos=HALFWAY THEN
IF (out_adr + (c_max_adr / 2) >= c_max_adr) THEN
v.stop_adr := out_adr - (c_max_adr / 2);
--setting a stop address dependend on the g_stop_percentage
IF out_adr+c_pof_ma >= c_max_adr THEN
v.stop_adr(c_adr_w-1 DOWNTO c_bitshift_adr) := TO_UVEC(out_adr-c_pof_ma, c_adr_w)(c_adr_w-1 DOWNTO c_bitshift_adr);
ELSE
v.stop_adr := out_adr + (c_max_adr / 2);
END IF;
IF (stop_in = '1' AND out_adr = v.stop_adr) THEN
--stop_out <= '1';
v.dvr_mosi.address := TO_UVEC(out_adr, dvr_mosi.address'length);
ELSE
--stop_out <= '0';
END IF;
v.stop_adr(c_adr_w-1 DOWNTO c_bitshift_adr) := TO_UVEC(out_adr+c_pof_ma, c_adr_w)(c_adr_w-1 DOWNTO c_bitshift_adr);
END IF;
IF g_stop_pos=IMMIDIATE THEN
v.stop_adr := c_max_adr;
END IF;
v.stop_adr(c_bitshift_adr-1 DOWNTO 0) := c_zeros;
-- still a write cyle
IF TO_UVEC(out_adr, c_adr_w)(c_bitshift_adr-1 DOWNTO 0) = c_zeros THEN -- adr mod 64 = 0
......@@ -176,9 +160,11 @@ BEGIN
WHEN STOP_WRITING =>
v.stopped := '0';
v.stopped := '1';
v.wr_sosi.valid := '0';
-- enable flush
v.dvr_mosi.flush := '1';
WHEN IDLE =>
......@@ -193,6 +179,10 @@ BEGIN
v.state := RESET;
ELSIF stop_in = '1' THEN
v.state := SET_STOP;
ELSIF v.stop_adr = TO_UVEC(out_adr, c_adr_w) AND v.stop_adr(c_bitshift_adr-1 DOWNTO 0) = c_zeros(c_bitshift_adr-1 DOWNTO 0) AND q_reg.stopped = '0' THEN
v.state := STOP_WRITING;
ELSIF v.stopped = '1' THEN
v.state := IDLE;
ELSE
v.state := WRITING;
END IF;
......
applications/lofar2/libraries/ddrctrl/tb/vhdl/tb_ddrctrl.vhd
+ 28
− 6
View file @ 77934c08
......@@ -22,7 +22,7 @@
-- Usage:
-- > run -a
LIBRARY IEEE, common_lib, technology_lib, tech_ddr_lib, dp_lib, lofar2_ddrctrl_lib;
LIBRARY IEEE, common_lib, technology_lib, tech_ddr_lib, dp_lib;
USE IEEE.STD_LOGIC_1164.ALL;
USE IEEE.NUMERIC_STD.ALL;
USE IEEE.MATH_REAL.ALL;
......@@ -32,7 +32,6 @@ USE dp_lib.dp_stream_pkg.ALL;
USE common_lib.common_mem_pkg.ALL;
USE common_lib.common_pkg.ALL;
USE technology_lib.technology_select_pkg.ALL;
USE lofar2_ddrctrl_lib.ddrctrl_pkg.ALL;
ENTITY tb_ddrctrl IS
......@@ -45,7 +44,7 @@ ENTITY tb_ddrctrl IS
g_technology : NATURAL := c_tech_select_default;
g_tech_ddr3 : t_c_tech_ddr := c_tech_ddr3_4g_800m_master;
g_tech_ddr4 : t_c_tech_ddr := c_tech_ddr4_4g_1600m;
g_stop_pos : t_c_stop_pos := HALFWAY
g_stop_percentage : NATURAL := 80 -- percentage there needs to be already written in the ddr memory when a stop gets triggered
);
END tb_ddrctrl;
......@@ -91,6 +90,7 @@ ARCHITECTURE tb OF tb_ddrctrl IS
SIGNAL mm_rst : STD_LOGIC := '0';
SIGNAL in_sosi_arr : t_dp_sosi_arr(g_nof_streams-1 DOWNTO 0) := (OTHERS => c_dp_sosi_init); -- input data signal for ddrctrl_pack.vhd
SIGNAL wr_not_rd : STD_LOGIC;
SIGNAL stop_in : STD_LOGIC := '0';
-- testbench signal
......@@ -131,9 +131,29 @@ BEGIN
-- filling the input data vectors with the corresponding numbers
make_data : FOR J IN 0 TO c_sim_length-1 LOOP
make_data_0 : FOR J IN 0 TO c_sim_length-1 LOOP
in_data_cnt <= in_data_cnt+1;
fill_in_sosi_arr_rest : FOR I IN 0 TO g_nof_streams-1 LOOP
fill_in_sosi_arr_0 : FOR I IN 0 TO g_nof_streams-1 LOOP
in_sosi_arr(I).data(g_data_w-1 DOWNTO 0) <= c_total_vector(g_data_w*(I+1)+J*c_in_data_w-1 DOWNTO g_data_w*I+J*c_in_data_w);
END LOOP;
WAIT FOR c_clk_period*1;
END LOOP;
-- sending a stop signal
stop_in <= '1';
-- filling the input data vectors with the corresponding numbers
make_data_1 : FOR J IN 0 TO c_sim_length-1 LOOP
in_data_cnt <= in_data_cnt+1;
fill_in_sosi_arr_1 : FOR I IN 0 TO g_nof_streams-1 LOOP
in_sosi_arr(I).data(g_data_w-1 DOWNTO 0) <= c_total_vector(g_data_w*(I+1)+J*c_in_data_w-1 DOWNTO g_data_w*I+J*c_in_data_w);
END LOOP;
WAIT FOR c_clk_period*1;
stop_in <= '0';
END LOOP;
make_data_2 : FOR J IN 0 TO c_sim_length-1 LOOP
in_data_cnt <= in_data_cnt+1;
fill_in_sosi_arr_2 : FOR I IN 0 TO g_nof_streams-1 LOOP
in_sosi_arr(I).data(g_data_w-1 DOWNTO 0) <= c_total_vector(g_data_w*(I+1)+J*c_in_data_w-1 DOWNTO g_data_w*I+J*c_in_data_w);
END LOOP;
WAIT FOR c_clk_period*1;
......@@ -141,6 +161,7 @@ BEGIN
test_running <= '0';
wr_not_rd <= '0';
-- stopping the testbench
WAIT FOR c_clk_period*4;
tb_end <= '1';
......@@ -158,7 +179,7 @@ BEGIN
g_technology => g_technology,
g_nof_streams => g_nof_streams,
g_data_w => g_data_w,
g_stop_pos => g_stop_pos
g_stop_percentage => g_stop_percentage
)
PORT MAP (
clk => clk,
......@@ -167,6 +188,7 @@ BEGIN
mm_rst => mm_rst,
in_sosi_arr => in_sosi_arr,
wr_not_rd => wr_not_rd,
stop_in => stop_in,
--PHY
phy3_io => phy3_io,
......
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