diff --git a/applications/lofar2/libraries/sdp/hdllib.cfg b/applications/lofar2/libraries/sdp/hdllib.cfg
index 06720dbf4fed95af61f17c22350b8afce784719d..d82f2018d6eee058d3c6c5894ff4bfdfc5d075bf 100644
--- a/applications/lofar2/libraries/sdp/hdllib.cfg
+++ b/applications/lofar2/libraries/sdp/hdllib.cfg
@@ -13,12 +13,14 @@ synth_files =
src/vhdl/sdp_info_reg.vhd
src/vhdl/sdp_info.vhd
src/vhdl/sdp_beamformer_output.vhd
+ src/vhdl/sdp_statistics_offload.vhd
src/vhdl/node_sdp_adc_input_and_timing.vhd
src/vhdl/node_sdp_filterbank.vhd
src/vhdl/node_sdp_beamformer.vhd
test_bench_files =
tb/vhdl/tb_sdp_info.vhd
+ tb/vhdl/tb_sdp_statistics_offload.vhd
regression_test_vhdl =
tb/vhdl/tb_sdp_info.vhd
diff --git a/applications/lofar2/libraries/sdp/src/vhdl/sdp_statistics_offload.vhd b/applications/lofar2/libraries/sdp/src/vhdl/sdp_statistics_offload.vhd
new file mode 100644
index 0000000000000000000000000000000000000000..1e364d312a7e91a0a00f14098c023513f7769ef5
--- /dev/null
+++ b/applications/lofar2/libraries/sdp/src/vhdl/sdp_statistics_offload.vhd
@@ -0,0 +1,377 @@
+-------------------------------------------------------------------------------
+--
+-- Copyright 2020
+-- ASTRON (Netherlands Institute for Radio Astronomy) <http://www.astron.nl/>
+-- P.O.Box 2, 7990 AA Dwingeloo, The Netherlands
+--
+-- Licensed under the Apache License, Version 2.0 (the "License");
+-- you may not use this file except in compliance with the License.
+-- You may obtain a copy of the License at
+--
+-- http://www.apache.org/licenses/LICENSE-2.0
+--
+-- Unless required by applicable law or agreed to in writing, software
+-- distributed under the License is distributed on an "AS IS" BASIS,
+-- WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+-- See the License for the specific language governing permissions and
+-- limitations under the License.
+--
+-------------------------------------------------------------------------------
+
+-------------------------------------------------------------------------------
+--
+-- Author: P. Donker
+
+-- Purpose:
+-- . SDP statistics offload
+-- Description:
+--
+-- https://support.astron.nl/confluence/pages/viewpage.action?spaceKey=L2M&title=L5+SDPFW+Design+Document%3A+Subband+filterbank
+-- https://plm.astron.nl/polarion/#/project/LOFAR2System/wiki/L2%20Interface%20Control%20Documents/SC%20to%20SDP%20ICD
+--
+-- Remark:
+-- . Offload SST, BST or XST data from the memory to a network interface
+-- get data from mm bus and assemble header from from other input settings
+--
+-- A processing node (PN) in the ring ia called a ring node (RN).
+--
+-- g_statistics_type = "SST"
+-- data_id.signal_input_index = rn_id * S_pn
+-- nof_signal_inputs = 1
+-- nof_statistics_per_packet = N_sub
+--
+-- g_statistics_type = "BST"
+-- data_id.beamlet_index = g_beamset_index * S_sub_bf
+-- nof_signal_inputs = 0 (default not used)
+-- nof_statistics_per_packet = S_sub_bf
+--
+-- g_statistics_type = "XST"
+-- data_id.signal_input_A_index = rn_id * S_pn
+-- data_id.signal_input_B_index = function of correlator cell instance and rn_id * S_pn
+-- nof_signal_inputs = S_pn => 12 (fixed)
+-- nof_statistics_per_packet = S_pn * S_pn => 12 * 12 = 144
+-------------------------------------------------------------------------------
+
+LIBRARY IEEE, common_lib, mm_lib, dp_lib;
+USE IEEE.STD_LOGIC_1164.ALL;
+USE common_lib.common_pkg.ALL;
+USE common_lib.common_mem_pkg.ALL;
+USE common_lib.common_field_pkg.ALL;
+USE common_lib.common_network_layers_pkg.ALL;
+USE dp_lib.dp_stream_pkg.ALL;
+USE work.sdp_pkg.ALL;
+
+ENTITY sdp_statistics_offload IS
+ GENERIC (
+ g_statistics_type : STRING := "SST";
+ g_offload_time : NATURAL := 0;
+ g_beamset_id : NATURAL := 0
+ );
+ PORT (
+ -- Clocks and reset
+ mm_rst : IN STD_LOGIC; -- reset synchronous with mm_clk
+ mm_clk : IN STD_LOGIC; -- memory-mapped bus clock
+
+ dp_clk : IN STD_LOGIC;
+ dp_rst : IN STD_LOGIC;
+
+ -- from MM master multiplexer
+ master_mosi : IN t_mem_mosi := c_mem_mosi_rst;
+ master_miso : OUT t_mem_miso;
+
+ reg_enable_mosi : IN t_mem_mosi := c_mem_mosi_rst;
+ reg_enable_miso : OUT t_mem_miso;
+
+ reg_hdr_dat_mosi : IN t_mem_mosi := c_mem_mosi_rst;
+ reg_hdr_dat_miso : OUT t_mem_miso;
+
+ in_sosi : IN t_dp_sosi; -- from selector (sst_sosi_arr[0])
+ out_sosi : OUT t_dp_sosi; -- output from SST UDP offload (sst_udp_sosi)
+
+ -- inputs from other blocks
+ eth_src_mac : IN STD_LOGIC_VECTOR(c_network_eth_mac_addr_w-1 DOWNTO 0);
+ udp_src_port : IN STD_LOGIC_VECTOR(c_network_udp_port_w-1 DOWNTO 0);
+ ip_src_addr : IN STD_LOGIC_VECTOR(c_network_ip_addr_w-1 DOWNTO 0);
+ sdp_info : IN t_sdp_info;
+
+ gn_index : IN NATURAL
+ );
+END sdp_statistics_offload;
+
+
+ARCHITECTURE str OF sdp_statistics_offload IS
+
+ CONSTANT c_version : NATURAL := 1;
+ CONSTANT c_marker : NATURAL := sel_a_b((g_statistics_type="BST"), 66, sel_a_b((g_statistics_type="XST"), 88, 83)); -- based on g_statistics_type: 'S'=0x53="SST", 'B'=0x42="BST", 'X'=0x58="XST"
+ CONSTANT c_nof_statistics_per_packet : NATURAL := 0;
+ CONSTANT c_data_size : NATURAL := 2;
+ CONSTANT c_step_size : NATURAL := 4;
+ CONSTANT c_nof_data : NATURAL := 512;
+ CONSTANT c_block_size : NATURAL := c_nof_data * c_data_size * (c_step_size / c_data_size);
+ CONSTANT c_nof_streams : NATURAL := 1;
+ CONSTANT c_nof_signal_inputs : NATURAL := sel_a_b(g_statistics_type="BST", 0, sel_a_b(g_statistics_type="XST", c_sdp_S_pn, 1));
+ CONSTANT c_nof_statistics_per_package : NATURAL := sel_a_b(g_statistics_type="BST", c_sdp_S_sub_bf, sel_a_b(g_statistics_type="XST", (c_sdp_S_pn*c_sdp_S_pn*c_nof_complex), c_sdp_N_sub));
+
+ CONSTANT c_beamlet_id : NATURAL := g_beamset_id * c_sdp_S_sub_bf;
+
+ TYPE t_reg IS RECORD
+ block_count : NATURAL;
+ start_address : NATURAL;
+ start_pulse : STD_LOGIC;
+ dp_header_info : STD_LOGIC_VECTOR(1023 DOWNTO 0);
+ data_id : STD_LOGIC_VECTOR(31 DOWNTO 0);
+ END RECORD;
+
+ CONSTANT c_reg_rst : t_reg := (0, 0, '0', (OTHERS => '0'), (OTHERS => '0'));
+
+ SIGNAL r : t_reg;
+ SIGNAL d : t_reg;
+
+ SIGNAL m_mosi : t_mem_mosi;
+ SIGNAL m_miso : t_mem_miso;
+ SIGNAL trigger : STD_LOGIC := '0';
+ SIGNAL nof_cycles_dly : NATURAL := 0;
+ SIGNAL mm_done : STD_LOGIC := '0';
+ SIGNAL start_addr : NATURAL := 0;
+ SIGNAL start_pulse : STD_LOGIC := '0';
+ SIGNAL dp_block_from_mm_src_out : t_dp_sosi;
+ SIGNAL dp_block_from_mm_src_in : t_dp_siso;
+
+ SIGNAL dp_header_info : STD_LOGIC_VECTOR(1023 DOWNTO 0):= (OTHERS => '0');
+ SIGNAL payload_err : STD_LOGIC := '0';
+ SIGNAL integration_interval_cnt : NATURAL := 0;
+ SIGNAL integration_interval : STD_LOGIC_VECTOR(24-1 DOWNTO 0) := (OTHERS => '0');
+ SIGNAL bsn_at_sync : STD_LOGIC_VECTOR(64-1 DOWNTO 0) := (OTHERS => '0');
+
+ SIGNAL sdp_data_id : STD_LOGIC_VECTOR(32-1 DOWNTO 0);
+
+ -------------------------------------------------------------------------------
+ -- dp_offload_tx
+ -------------------------------------------------------------------------------
+ CONSTANT c_nof_hdr_fields : NATURAL := 3+12+4+20+1; -- 592b; 9.25 64b words
+ -- c_hdr_field_sel for each field: 0=data path, 1=MM controlled
+ CONSTANT c_hdr_field_sel : STD_LOGIC_VECTOR(c_nof_hdr_fields-1 DOWNTO 0) := "101"&"111111111001"&"0111"&"00000000000000000000"&"0"; -- TODO
+
+ CONSTANT c_hdr_field_arr : t_common_field_arr(c_nof_hdr_fields-1 DOWNTO 0) := ( ( field_name_pad("eth_dst_mac" ), "RW", 48, field_default(x"00074306C700") ), -- 00074306C700=DOP36-eth0
+ ( field_name_pad("eth_src_mac" ), "RW", 48, field_default(0) ),
+ ( field_name_pad("eth_type" ), "RO", 16, field_default(x"0800") ),
+
+ ( field_name_pad("ip_version" ), "RO", 4, field_default(4) ),
+ ( field_name_pad("ip_header_length" ), "RO", 4, field_default(5) ),
+ ( field_name_pad("ip_services" ), "RO", 8, field_default(0) ),
+ ( field_name_pad("ip_total_length" ), "RO", 16, field_default(7868) ),
+ ( field_name_pad("ip_identification" ), "RO", 16, field_default(0) ),
+ ( field_name_pad("ip_flags" ), "RO", 3, field_default(2) ),
+ ( field_name_pad("ip_fragment_offset" ), "RO", 13, field_default(0) ),
+ ( field_name_pad("ip_time_to_live" ), "RO", 8, field_default(127) ),
+ ( field_name_pad("ip_protocol" ), "RO", 8, field_default(17) ),
+ ( field_name_pad("ip_header_checksum" ), "RW", 16, field_default(0) ),
+ ( field_name_pad("ip_src_addr" ), "RW", 32, field_default(0) ),
+ ( field_name_pad("ip_dst_addr" ), "RW", 32, field_default(x"C0A80001") ), -- C0A80001=DOP36-eth0 '192.168.0.1'
+
+ ( field_name_pad("udp_src_port" ), "RW", 16, field_default(0) ),
+ ( field_name_pad("udp_dst_port" ), "RW", 16, field_default(0) ),
+ ( field_name_pad("udp_total_length" ), "RO", 16, field_default(7848) ),
+ ( field_name_pad("udp_checksum" ), "RO", 16, field_default(0) ),
+
+ ( field_name_pad("sdp_marker" ), "RO", 8, field_default(c_marker) ),
+ ( field_name_pad("sdp_version_id" ), "RO", 8, field_default(c_version) ),
+ ( field_name_pad("sdp_observation_id" ), "RW", 32, field_default(0) ),
+ ( field_name_pad("sdp_station_id" ), "RW", 16, field_default(0) ),
+
+ ( field_name_pad("sdp_source_info_antenna_band_id" ), "RW", 1, field_default(0) ),
+ ( field_name_pad("sdp_source_info_nyquist_zone_id" ), "RW", 2, field_default(0) ),
+ ( field_name_pad("sdp_source_info_f_adc" ), "RW", 1, field_default(0) ),
+ ( field_name_pad("sdp_source_info_fsub_type" ), "RW", 1, field_default(0) ),
+ ( field_name_pad("sdp_source_info_payload_error" ), "RW", 1, field_default(0) ),
+ ( field_name_pad("sdp_source_info_beam_repositioning_flag" ), "RW", 1, field_default(0) ),
+ ( field_name_pad("sdp_source_info_subband_calibrated_flag" ), "RW", 1, field_default(0) ),
+ ( field_name_pad("sdp_source_info_reserved" ), "RO", 3, field_default(0) ),
+ ( field_name_pad("sdp_source_info_gn_id" ), "RW", 5, field_default(0) ),
+
+ ( field_name_pad("sdp_reserved" ), "RO", 8, field_default(0) ),
+ ( field_name_pad("sdp_integration_interval" ), "RW", 24, field_default(0) ),
+ ( field_name_pad("sdp_data_id" ), "RW", 32, field_default(0) ),
+ ( field_name_pad("sdp_nof_signal_inputs" ), "RO", 8, field_default(c_nof_signal_inputs) ),
+ ( field_name_pad("sdp_nof_bytes_per_statistics" ), "RO", 8, field_default(8) ),
+ ( field_name_pad("sdp_nof_statistics_per_package" ), "RO", 16, field_default(c_nof_statistics_per_package) ),
+ ( field_name_pad("sdp_block_period" ), "RO", 16, field_default(5120) ),
+
+ ( field_name_pad("dp_bsn" ), "RW", 64, field_default(0) ) );
+
+BEGIN
+
+ m_mosi <= master_mosi;
+ master_miso <= m_miso;
+
+ -- count number of sop's in a sync interval
+ p_bsn_at_sync : PROCESS(in_sosi)
+ BEGIN
+ IF in_sosi.sync = '1' THEN
+ bsn_at_sync <= in_sosi.bsn(63 DOWNTO 0);
+ END IF;
+ END PROCESS;
+
+ -- count number of sop's in a sync interval
+ p_integration_interval : PROCESS(in_sosi)
+ VARIABLE cnt : NATURAL;
+ BEGIN
+ cnt := integration_interval_cnt;
+ IF in_sosi.sync = '1' THEN
+ integration_interval <= TO_UVEC(cnt, integration_interval'LENGTH);
+ integration_interval_cnt <= 0;
+ ELSE
+ IF in_sosi.sop = '1' THEN
+ integration_interval_cnt <= cnt + 1;
+ END IF;
+ END IF;
+ END PROCESS;
+
+ -- get payload errors and keep them till next sync
+ p_payload_error : PROCESS(in_sosi)
+ VARIABLE err : STD_LOGIC;
+ BEGIN
+ err := payload_err;
+ IF in_sosi.sync = '1' THEN
+ payload_err <= '0';
+ ELSE
+ payload_err <= err OR in_sosi.err(0);
+ END IF;
+ END PROCESS;
+
+
+ -------------------------------------------------------------------------------
+ -- Assemble offload info
+ -------------------------------------------------------------------------------
+ dp_header_info(field_hi(c_hdr_field_arr, "eth_src_mac" ) DOWNTO field_lo(c_hdr_field_arr, "eth_src_mac" )) <= eth_src_mac;
+ dp_header_info(field_hi(c_hdr_field_arr, "udp_src_port") DOWNTO field_lo(c_hdr_field_arr, "udp_src_port")) <= udp_src_port;
+ dp_header_info(field_hi(c_hdr_field_arr, "ip_src_addr" ) DOWNTO field_lo(c_hdr_field_arr, "ip_src_addr" )) <= ip_src_addr;
+
+ dp_header_info(field_hi(c_hdr_field_arr, "sdp_observation_id" ) DOWNTO field_lo(c_hdr_field_arr, "sdp_observation_id" )) <= sdp_info.observation_id;
+ dp_header_info(field_hi(c_hdr_field_arr, "sdp_station_id" ) DOWNTO field_lo(c_hdr_field_arr, "sdp_station_id" )) <= sdp_info.station_id;
+ dp_header_info(field_hi(c_hdr_field_arr, "sdp_source_info_antenna_band_id" ) DOWNTO field_lo(c_hdr_field_arr, "sdp_source_info_antenna_band_id" )) <= SLV(sdp_info.antenna_band_index);
+ dp_header_info(field_hi(c_hdr_field_arr, "sdp_source_info_nyquist_zone_id" ) DOWNTO field_lo(c_hdr_field_arr, "sdp_source_info_nyquist_zone_id" )) <= sdp_info.nyquist_zone_index;
+ dp_header_info(field_hi(c_hdr_field_arr, "sdp_source_info_f_adc" ) DOWNTO field_lo(c_hdr_field_arr, "sdp_source_info_f_adc" )) <= SLV(sdp_info.f_adc);
+ dp_header_info(field_hi(c_hdr_field_arr, "sdp_source_info_fsub_type" ) DOWNTO field_lo(c_hdr_field_arr, "sdp_source_info_fsub_type" )) <= SLV(sdp_info.fsub_type);
+ dp_header_info(field_hi(c_hdr_field_arr, "sdp_source_info_payload_error" ) DOWNTO field_lo(c_hdr_field_arr, "sdp_source_info_payload_error" )) <= SLV(payload_err);
+ dp_header_info(field_hi(c_hdr_field_arr, "sdp_source_info_beam_repositioning_flag" ) DOWNTO field_lo(c_hdr_field_arr, "sdp_source_info_beam_repositioning_flag" )) <= SLV(sdp_info.beam_repositioning_flag);
+ dp_header_info(field_hi(c_hdr_field_arr, "sdp_source_info_subband_calibrated_flag" ) DOWNTO field_lo(c_hdr_field_arr, "sdp_source_info_subband_calibrated_flag" )) <= SLV(sdp_info.subband_calibrated_flag);
+ dp_header_info(field_hi(c_hdr_field_arr, "sdp_source_info_reserved" ) DOWNTO field_lo(c_hdr_field_arr, "sdp_source_info_reserved" )) <= (OTHERS => '0');
+ dp_header_info(field_hi(c_hdr_field_arr, "sdp_source_info_gn_id" ) DOWNTO field_lo(c_hdr_field_arr, "sdp_source_info_gn_id" )) <= TO_UVEC(gn_index, 5);
+ dp_header_info(field_hi(c_hdr_field_arr, "sdp_reserved" ) DOWNTO field_lo(c_hdr_field_arr, "sdp_reserved" )) <= (OTHERS => '0');
+ dp_header_info(field_hi(c_hdr_field_arr, "sdp_integration_interval" ) DOWNTO field_lo(c_hdr_field_arr, "sdp_integration_interval" )) <= integration_interval;
+ dp_header_info(field_hi(c_hdr_field_arr, "sdp_data_id" ) DOWNTO field_lo(c_hdr_field_arr, "sdp_data_id" )) <= sdp_data_id;
+ dp_header_info(field_hi(c_hdr_field_arr, "sdp_block_period" ) DOWNTO field_lo(c_hdr_field_arr, "sdp_block_period" )) <= sdp_info.block_period;
+
+ dp_header_info(field_hi(c_hdr_field_arr, "dp_bsn" ) DOWNTO field_lo(c_hdr_field_arr, "dp_bsn" )) <= bsn_at_sync;
+
+
+
+ nof_cycles_dly <= gn_index * g_offload_time;
+ sdp_data_id <= r.data_id;
+
+ p_reg : PROCESS(dp_rst, dp_clk)
+ BEGIN
+ IF dp_rst='1' THEN
+ r <= c_reg_rst;
+ ELSIF rising_edge(dp_clk) THEN
+ r <= d;
+ END IF;
+ END PROCESS;
+
+
+ p_control_packet_offload : PROCESS(r, trigger, mm_done)
+ BEGIN
+ d <= r;
+
+ -- assign sdp_data_id for different statistic types
+ IF g_statistics_type = "SST" THEN
+ d.data_id <= x"000000" & TO_UVEC(r.block_count, 8);
+ ELSIF g_statistics_type = "BST" THEN
+ d.data_id <= x"0000" & TO_UVEC(c_beamlet_id, 24);
+ ELSIF g_statistics_type = "XST" THEN
+ d.data_id <= x"00" & TO_UVEC(0, 8) & TO_UVEC(0, 8) & TO_UVEC(0, 8); -- TODO fill fill in right values.
+ ELSE
+ d.data_id <= x"00000000";
+ END IF;
+
+ IF trigger = '1' OR mm_done = '1' THEN
+ d.block_count <= r.block_count + 1;
+ IF (r.block_count + 1) mod 2 = 0 THEN
+ d.start_address <= d.block_count / 2 * c_block_size;
+ ELSE
+ d.start_address <= r.start_address + c_data_size;
+ END IF;
+ d.start_pulse <= '1';
+ END IF;
+
+ IF mm_done = '1' THEN
+ d.dp_header_info <= dp_header_info;
+ END IF;
+
+ IF d.block_count >= c_sdp_S_pn THEN
+ d.block_count <= 0;
+ d.start_address <= 0;
+ END IF;
+
+ END PROCESS;
+
+
+ u_mms_common_variable_delay : ENTITY common_lib.mms_common_variable_delay
+ GENERIC MAP (
+ g_max_delay => 1
+ )
+ PORT MAP (
+ mm_rst => mm_rst,
+ mm_clk => mm_clk,
+ dp_rst => dp_rst,
+ dp_clk => dp_clk,
+
+ -- MM interface
+ reg_enable_mosi => reg_enable_mosi,
+ reg_enable_miso => reg_enable_miso,
+
+ delay => nof_cycles_dly,
+ trigger => in_sosi.sync,
+ trigger_dly => trigger
+ );
+
+ u_dp_block_from_mm : ENTITY dp_lib.dp_block_from_mm
+ GENERIC MAP (
+ g_data_size => c_data_size,
+ g_step_size => c_step_size,
+ g_nof_data => c_nof_data
+ )
+ PORT MAP(
+ rst => mm_rst,
+ clk => mm_clk,
+ start_pulse => r.start_pulse,
+ start_address => r.start_address,
+ mm_done => mm_done,
+ mm_mosi => m_mosi,
+ mm_miso => m_miso,
+ out_sosi => dp_block_from_mm_src_out,
+ out_siso => dp_block_from_mm_src_in
+ );
+
+ u_dp_offload_tx_v3: ENTITY dp_lib.dp_offload_tx_v3
+ GENERIC MAP (
+ g_nof_streams => c_nof_streams,
+ g_data_w => c_word_w,
+ g_symbol_w => c_byte_w,
+ g_hdr_field_arr => c_hdr_field_arr,
+ g_hdr_field_sel => c_hdr_field_sel
+ )
+ PORT MAP(
+ mm_rst => mm_rst,
+ mm_clk => mm_clk,
+ dp_rst => dp_rst,
+ dp_clk => dp_clk,
+ reg_hdr_dat_mosi => reg_hdr_dat_mosi,
+ reg_hdr_dat_miso => reg_hdr_dat_miso,
+ snk_in_arr(0) => dp_block_from_mm_src_out,
+ snk_out_arr(0) => dp_block_from_mm_src_in,
+ src_out_arr(0) => out_sosi,
+ hdr_fields_in_arr(0) => r.dp_header_info -- hdr_fields_in_arr(i) is considered valid @ snk_in_arr(i).sop
+ );
+END str;
diff --git a/applications/lofar2/libraries/sdp/tb/vhdl/tb_sdp_statistics_offload.vhd b/applications/lofar2/libraries/sdp/tb/vhdl/tb_sdp_statistics_offload.vhd
new file mode 100644
index 0000000000000000000000000000000000000000..0f95f9a467771a3254ac791b060cee4769931b32
--- /dev/null
+++ b/applications/lofar2/libraries/sdp/tb/vhdl/tb_sdp_statistics_offload.vhd
@@ -0,0 +1,246 @@
+-------------------------------------------------------------------------------
+--
+-- Copyright 2020
+-- ASTRON (Netherlands Institute for Radio Astronomy) <http://www.astron.nl/>
+-- P.O.Box 2, 7990 AA Dwingeloo, The Netherlands
+--
+-- Licensed under the Apache License, Version 2.0 (the "License");
+-- you may not use this file except in compliance with the License.
+-- You may obtain a copy of the License at
+--
+-- http://www.apache.org/licenses/LICENSE-2.0
+--
+-- Unless required by applicable law or agreed to in writing, software
+-- distributed under the License is distributed on an "AS IS" BASIS,
+-- WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+-- See the License for the specific language governing permissions and
+-- limitations under the License.
+--
+-------------------------------------------------------------------------------
+
+-------------------------------------------------------------------------------
+--
+-- Author: P. Donker
+
+-- Purpose:
+-- . test bench for sdp_info.vhd (and sdp_info_reg.vhd)
+-- Description:
+--
+-- https://plm.astron.nl/polarion/#/project/LOFAR2System/workitem?id=LOFAR2-9258
+-- https://plm.astron.nl/polarion/#/project/LOFAR2System/workitem?id=LOFAR2-8855
+--
+-- Remark:
+-- .
+-------------------------------------------------------------------------------
+
+LIBRARY IEEE, common_lib, dp_lib;
+USE IEEE.STD_LOGIC_1164.ALL;
+USE common_lib.common_pkg.ALL;
+USE common_lib.common_mem_pkg.ALL;
+USE common_lib.tb_common_pkg.ALL;
+USE common_lib.tb_common_mem_pkg.ALL;
+USE common_lib.common_network_layers_pkg.ALL;
+USE dp_lib.dp_stream_pkg.ALL;
+USE work.sdp_pkg.ALL;
+
+
+ENTITY tb_sdp_statistics_offload IS
+ GENERIC (
+ g_statistics_type : STRING := "SST";
+ g_nof_signal_inputs_per_pn : NATURAL := 4
+ );
+END tb_sdp_statistics_offload;
+
+ARCHITECTURE tb OF tb_sdp_statistics_offload IS
+ CONSTANT c_dp_clk_period : TIME := 5 ns; -- 200 MHz
+ CONSTANT c_mm_clk_period : TIME := 20 ns; -- 50 MHz
+
+ CONSTANT c_cross_clock_domain_latency : NATURAL := 40;
+
+ CONSTANT c_eth_src_mac : STD_LOGIC_VECTOR(c_network_eth_mac_addr_w-1 DOWNTO 0) := x"123456789ABC";
+ CONSTANT c_udp_src_port : STD_LOGIC_VECTOR(c_network_udp_port_w-1 DOWNTO 0) := x"D001";
+ CONSTANT c_ip_src_addr : STD_LOGIC_VECTOR(c_network_ip_addr_w-1 DOWNTO 0) := x"0A090807";
+
+ -- used mm_adresses on mm bus
+ CONSTANT c_mm_addr_enable : NATURAL := 0;
+
+ -- used test ram size: c_block_size = c_nof_data * c_data_size * (c_step_size / c_data_size) => 512 * 2 * (4 / 2) = 2048 words per pair of signal inputs;
+ -- with 12 signal input, 6 pairs (blocks) we will fill 2 blocks for testing 2 * 2048 = 4096 =
+ CONSTANT c_nof_data : NATURAL := 512;
+ CONSTANT c_data_size : NATURAL := 2;
+ CONSTANT c_step_size : NATURAL := 4;
+ CONSTANT c_ram_size : NATURAL := c_nof_data * c_data_size * g_nof_signal_inputs_per_pn;
+ CONSTANT c_ram_w : NATURAL := ceil_log2(c_ram_size);
+ CONSTANT c_ram_buf : t_c_mem := (c_mem_ram_rd_latency, c_ram_w, 32, 2**c_ram_w, 'X');
+
+ SIGNAL tb_end : STD_LOGIC := '0';
+ SIGNAL tb_mm_reg_end : STD_LOGIC := '0';
+
+ SIGNAL dp_clk : STD_LOGIC := '1'; -- digital data path clock = 200 MHz (deser factor 4);
+ SIGNAL dp_rst : STD_LOGIC;
+
+ SIGNAL mm_clk : STD_LOGIC := '1'; -- MM control clock = 50 MHz
+ SIGNAL mm_rst : STD_LOGIC;
+
+ SIGNAL master_mosi : t_mem_mosi := c_mem_mosi_rst;
+ SIGNAL master_miso : t_mem_miso;
+
+ SIGNAL enable_mosi : t_mem_mosi := c_mem_mosi_rst;
+ SIGNAL enable_miso : t_mem_miso;
+
+ SIGNAL hdr_dat_mosi : t_mem_mosi := c_mem_mosi_rst;
+ SIGNAL hdr_dat_miso : t_mem_miso;
+
+ SIGNAL in_sosi : t_dp_sosi := c_dp_sosi_rst;
+ SIGNAL out_sosi : t_dp_sosi;
+
+ -- signals used to change settings of sdp_info
+ SIGNAL gn_index : NATURAL := 15;
+ SIGNAL f_adc : STD_LOGIC := '0';
+ SIGNAL fsub_type : STD_LOGIC := '0';
+
+ SIGNAL sdp_info : t_sdp_info;
+
+ -- signals used for response of mm bus
+ SIGNAL mm_natural_response : NATURAL;
+
+ -- signals used for starting processes
+ SIGNAL wr_data : STD_LOGIC_VECTOR(c_ram_buf.dat_w-1 DOWNTO 0);
+ SIGNAL wr_addr : STD_LOGIC_VECTOR(c_ram_buf.adr_w-1 DOWNTO 0);
+ SIGNAL wr_en : STD_LOGIC;
+ SIGNAL init_ram_done: STD_LOGIC := '0';
+
+BEGIN
+ dp_rst <= '1', '0' AFTER c_dp_clk_period*7;
+ dp_clk <= (NOT dp_clk) OR tb_end AFTER c_dp_clk_period/2;
+
+ mm_rst <= '1', '0' AFTER c_mm_clk_period*7;
+ mm_clk <= (NOT mm_clk) OR tb_end AFTER c_mm_clk_period/2;
+
+
+ -- fill ram with data, data is same as address number.
+ p_mm_statistics_ram : PROCESS
+ VARIABLE addr_cnt : NATURAL := 0;
+ BEGIN
+ wr_en <= '0';
+ -- initialyze
+ proc_common_wait_until_low(mm_clk, mm_rst);
+ proc_common_wait_some_cycles(mm_clk, 10);
+
+ FOR i IN 0 TO c_ram_buf.nof_dat-1 LOOP
+ wr_addr <= TO_UVEC(addr_cnt, c_ram_buf.adr_w);
+ wr_data <= TO_UVEC(addr_cnt, c_ram_buf.dat_w);
+ wr_en <= '1';
+ proc_common_wait_some_cycles(dp_clk, 1);
+ addr_cnt := addr_cnt + 1;
+ END LOOP;
+ wr_en <= '0';
+
+ init_ram_done <= '1';
+ WAIT;
+ END PROCESS;
+
+ p_in_sosi : PROCESS
+ BEGIN
+ proc_common_wait_until_high(dp_clk, init_ram_done);
+ -- enable common variabel delay
+ proc_mem_mm_bus_wr(c_mm_addr_enable, 1, mm_clk, enable_miso, enable_mosi);
+ proc_common_wait_some_cycles(mm_clk, c_cross_clock_domain_latency);
+ FOR i IN 0 TO g_nof_signal_inputs_per_pn LOOP
+ in_sosi.sync <= '1';
+ in_sosi.valid <= '1';
+ in_sosi.sop <= '1';
+ proc_common_wait_some_cycles(dp_clk, 1);
+ in_sosi.sync <= '0';
+ in_sosi.sop <= '0';
+ proc_common_wait_some_cycles(dp_clk, c_nof_data*c_data_size);
+ in_sosi.eop <= '1';
+ proc_common_wait_some_cycles(dp_clk, 1);
+ in_sosi.eop <= '0';
+ in_sosi.valid <= '0';
+ proc_common_wait_some_cycles(dp_clk, 1);
+ END LOOP;
+ WAIT;
+ END PROCESS;
+
+ p_mm_reg_stimuli : PROCESS
+ BEGIN
+ --enable_mosi <= c_mem_mosi_rst;
+ --hdr_dat_mosi <= c_mem_mosi_rst;
+
+ proc_common_wait_until_high(dp_clk, init_ram_done);
+ proc_common_wait_some_cycles(mm_clk, 100);
+
+ -- station_id, antenna_band_index, observation_id, nyquist_zone_index, f_adc, fsub_type, beam_repositioning_flag, subband_calibrated_flag, O_si, N_si, O_rn, N_rn, block_period, beamlet_scale
+ sdp_info <= ( x"0001", '0', x"00000003", b"01", '0', '0', '0', '0', x"00", x"00", x"00", x"00", x"0000", x"0000");
+ proc_common_wait_some_cycles(mm_clk, 1);
+ out_sosi.sync <= '1';
+
+ proc_common_wait_some_cycles(mm_clk, 100);
+ tb_end <= '1';
+ WAIT;
+ END PROCESS;
+
+
+ u_ram: ENTITY common_lib.common_ram_crw_crw_ratio
+ GENERIC MAP (
+ g_ram_a => c_ram_buf, -- settings for port a
+ g_ram_b => c_ram_buf -- settings for port b
+ )
+ PORT MAP (
+ -- MM read/write port clock domain
+ rst_a => mm_rst,
+ clk_a => mm_clk,
+ wr_en_a => master_mosi.wr,
+ wr_dat_a => master_mosi.wrdata(c_ram_buf.dat_w-1 DOWNTO 0),
+ adr_a => master_mosi.address(c_ram_buf.adr_w-1 DOWNTO 0),
+ rd_en_a => master_mosi.rd,
+ rd_dat_a => master_miso.rddata(c_ram_buf.dat_w-1 DOWNTO 0),
+ rd_val_a => master_miso.rdval,
+
+ -- ST write only port clock domain
+ rst_b => dp_rst,
+ clk_b => dp_clk,
+ wr_en_b => wr_en,
+ wr_dat_b => wr_data,
+ adr_b => wr_addr,
+ rd_en_b => '0',
+ rd_dat_b => OPEN,
+ rd_val_b => OPEN
+ );
+
+ -- SDP info
+ u_dut: ENTITY work.sdp_statistics_offload
+ GENERIC MAP (
+ g_statistics_type => "SST",
+ g_offload_time => 0,
+ g_beamset_id => 0
+ )
+ PORT MAP (
+ mm_clk => mm_clk,
+ mm_rst => mm_rst,
+
+ dp_clk => dp_clk,
+ dp_rst => dp_rst,
+
+ master_mosi => master_mosi,
+ master_miso => master_miso,
+
+ reg_enable_mosi => enable_mosi,
+ reg_enable_miso => enable_miso,
+
+ reg_hdr_dat_mosi => hdr_dat_mosi,
+ reg_hdr_dat_miso => hdr_dat_miso,
+
+ sdp_info => sdp_info,
+ gn_index => gn_index,
+
+ in_sosi => in_sosi,
+ out_sosi => out_sosi,
+
+ eth_src_mac => c_eth_src_mac,
+ udp_src_port => c_udp_src_port,
+ ip_src_addr => c_ip_src_addr
+ );
+
+END tb;
\ No newline at end of file