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Commit 7b3d5fb9 authored by Job van Wee's avatar Job van Wee
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Merge branch 'L2SDP-639' into L2SDP-644

parents 70c127f0 b294259e
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1 merge request!215Resolve L2SDP-660
......@@ -5,11 +5,11 @@ hdl_lib_uses_sim =
hdl_lib_technology =
synth_files =
src/vhdl/address_counter.vhd
src/vhdl/ddrctrl_address_counter.vhd
src/vhdl/pack.vhd
test_bench_files =
tb/vhdl/tb_address_counter.vhd
tb/vhdl/tb_ddrctrl_address_counter.vhd
tb/vhdl/tb_pack.vhd
regression_test_vhdl =
......
......@@ -29,8 +29,6 @@
-- 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;
USE IEEE.std_logic_1164.ALL;
USE IEEE.numeric_std.ALL;
......@@ -40,7 +38,8 @@ USE common_lib.common_pkg.ALL;
USE common_lib.common_mem_pkg.ALL;
USE dp_lib.dp_stream_pkg.ALL;
ENTITY address_counter IS
ENTITY ddrctrl_address_counter IS
GENERIC (
g_tech_ddr : t_c_tech_ddr;
g_sim_model : BOOLEAN := TRUE
......@@ -51,12 +50,14 @@ ENTITY address_counter IS
in_sosi : IN t_dp_sosi;
out_mosi : OUT t_mem_ctlr_mosi
);
END address_counter;
END ddrctrl_address_counter;
ARCHITECTURE rtl OF address_counter IS
ARCHITECTURE rtl OF ddrctrl_address_counter IS
CONSTANT c_data_w : NATURAL := func_tech_ddr_ctlr_data_w( g_tech_ddr ); --576
CONSTANT c_adr_w : NATURAL := sel_a_b(g_sim_model, 4, func_tech_ddr_ctlr_address_w( g_tech_ddr )); --27;
CONSTANT c_max_adr: NATURAL := 2**(c_adr_w) - 1;
SIGNAL s_adr : NATURAL range 0 to 2**(c_adr_w)-1 := 0;
......@@ -72,7 +73,7 @@ BEGIN
IF rst = '1' THEN
s_adr <= 0;
ELSIF in_sosi.valid = '1' THEN
IF (s_adr = 2**(c_adr_w) - 1) THEN
IF (s_adr = c_max_adr) THEN
s_adr <= 0;
ELSE
s_adr <= s_adr + 1;
......
......@@ -30,22 +30,23 @@ USE dp_lib.dp_stream_pkg.ALL;
USE common_lib.common_mem_pkg.ALL;
USE common_lib.common_pkg.ALL;
ENTITY tb_address_counter IS
ENTITY tb_ddrctrl_address_counter IS
GENERIC (
g_tech_ddr : t_c_tech_ddr := c_tech_ddr4_8g_1600m;
g_sim_model : BOOLEAN := TRUE
);
END tb_address_counter;
END tb_ddrctrl_address_counter;
ARCHITECTURE tb OF tb_address_counter IS
ARCHITECTURE tb OF tb_ddrctrl_address_counter IS
CONSTANT c_clk_freq : NATURAL := 200; -- MHz
CONSTANT c_clk_period : TIME := (10**6 / c_clk_freq) * 1 ps;
CONSTANT c_data_w : NATURAL := func_tech_ddr_ctlr_data_w( g_tech_ddr ); -- 576
CONSTANT c_adr_w : NATURAL := 4;
CONSTANT c_max_adr : NATURAL := 2**c_adr_w;
SIGNAL tb_end : STD_LOGIC := '0';
......@@ -80,11 +81,12 @@ BEGIN
WAIT UNTIL rising_edge(clk); -- align to rising edge
WAIT FOR c_clk_period*10;
ASSERT in_sosi.data(c_data_w - 1 DOWNTO 0) = out_mosi.wrdata(c_data_w - 1 DOWNTO 0) REPORT "Wrong wrdata 1" SEVERITY ERROR;
ASSERT in_sosi.valid = out_mosi.wr REPORT "Wrong wr 1" SEVERITY ERROR;
FOR I IN 0 TO 6 LOOP
in_data_enable <= '1';
in_data <= NOT in_data;
ASSERT in_data(c_data_w - 1 DOWNTO 0) = out_mosi.wrdata(c_data_w - 1 DOWNTO 0) REPORT "Wrong wrdata 1" SEVERITY ERROR;
ASSERT in_data_enable = out_mosi.wr REPORT "Wrong wr 1" SEVERITY ERROR;
ASSERT I = TO_UINT(out_mosi.address) REPORT "Wrong address 1" SEVERITY ERROR;
WAIT FOR c_clk_period*1;
in_data_enable <= '0';
......@@ -98,9 +100,7 @@ BEGIN
WAIT FOR c_clk_period*1;
FOR I IN 0 TO 20 LOOP
ASSERT in_data(c_data_w - 1 DOWNTO 0) = out_mosi.wrdata(c_data_w - 1 DOWNTO 0) REPORT "Wrong wrdata 2" SEVERITY ERROR;
ASSERT in_data_enable = out_mosi.wr REPORT "Wrong wr 2" SEVERITY ERROR;
ASSERT I = TO_UINT(out_mosi.address) OR I - 16 = TO_UINT(out_mosi.address) REPORT "Wrong address, I = " & NATURAL'image(I) SEVERITY ERROR;
ASSERT I = TO_UINT(out_mosi.address) OR I - c_max_adr = TO_UINT(out_mosi.address) REPORT "Wrong address, I = " & NATURAL'image(I) SEVERITY ERROR;
in_data_enable <= '1';
in_data <= NOT in_data;
WAIT FOR c_clk_period*1;
......@@ -115,7 +115,7 @@ BEGIN
WAIT;
END PROCESS;
u_address_counter : ENTITY work.address_counter
u_address_counter : ENTITY work.ddrctrl_address_counter
GENERIC MAP (
g_tech_ddr => g_tech_ddr,
g_sim_model => g_sim_model
......
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