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Commit c0a086ad authored by Reinier van der Walle's avatar Reinier van der Walle
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Initial commit of node_sdp_beamformer.vhd

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2 merge requests!100Removed text for XSub that is now written in Confluence Subband correlator...,!57Resolve L2SDP-170
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applications/lofar2/libraries/sdp/hdllib.cfg
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View file @ c0a086ad
hdl_lib_name = lofar2_sdp hdl_lib_name = lofar2_sdp
hdl_library_clause_name = lofar2_sdp_lib hdl_library_clause_name = lofar2_sdp_lib
hdl_lib_uses_synth = common dp wpfb rTwoSDF filter si st technology mm dp diag aduh tech_jesd204b tr_10GbE hdl_lib_uses_synth = common dp wpfb rTwoSDF filter si st reorder technology mm dp diag aduh tech_jesd204b tr_10GbE
hdl_lib_uses_sim = hdl_lib_uses_sim =
hdl_lib_technology = hdl_lib_technology =
...@@ -13,6 +13,7 @@ synth_files = ...@@ -13,6 +13,7 @@ synth_files =
src/vhdl/sdp_beamformer_output.vhd src/vhdl/sdp_beamformer_output.vhd
src/vhdl/node_sdp_adc_input_and_timing.vhd src/vhdl/node_sdp_adc_input_and_timing.vhd
src/vhdl/node_sdp_filterbank.vhd src/vhdl/node_sdp_filterbank.vhd
src/vhdl/node_sdp_beamformer.vhd
test_bench_files = test_bench_files =
regression_test_vhdl = regression_test_vhdl =
......
applications/lofar2/libraries/sdp/src/vhdl/node_sdp_beamformer.vhd 0 → 100644
+ 288
− 0
View file @ c0a086ad
-------------------------------------------------------------------------------
--
-- 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: R. van der Walle
-- Purpose:
-- . Implements the functionality of the Beamformer (BF) in the
-- LOFAR2 SDPFW design.
-- Description:
-- Remark:
-- .
-------------------------------------------------------------------------------
LIBRARY IEEE, common_lib, dp_lib, reorder_lib, st_lib;
USE IEEE.STD_LOGIC_1164.ALL;
USE common_lib.common_pkg.ALL;
USE common_lib.common_mem_pkg.ALL;
USE dp_lib.dp_stream_pkg.ALL;
USE work.sdp_pkg.ALL;
ENTITY node_sdp_beamformer IS
GENERIC (
g_sim : BOOLEAN := FALSE;
g_beamset_id : NATURAL := 0;
g_scope_selected_beamlet : NATURAL := 0
);
PORT (
dp_clk : IN STD_LOGIC;
dp_rst : IN STD_LOGIC;
in_sosi_arr : IN t_dp_sosi_arr(c_sdp_P_pfb-1 DOWNTO 0);
bf_udp_sosi : OUT t_dp_sosi;
bf_udp_siso : IN t_dp_siso;
bst_udp_sosi : OUT t_dp_sosi;
mm_rst : IN STD_LOGIC;
mm_clk : IN STD_LOGIC;
ram_ss_ss_wide_mosi : IN t_mem_mosi := c_mem_mosi_rst;
ram_ss_ss_wide_miso : OUT t_mem_miso;
ram_bf_weights_mosi : IN t_mem_mosi := c_mem_mosi_rst;
ram_bf_weights_miso : OUT t_mem_miso;
reg_gain_re_mosi : IN t_mem_mosi := c_mem_mosi_rst;
reg_gain_re_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;
reg_dp_xonoff_mosi : IN t_mem_mosi := c_mem_mosi_rst;
reg_dp_xonoff_miso : OUT t_mem_miso;
ram_st_sst_mosi : IN t_mem_mosi := c_mem_mosi_rst;
ram_st_sst_miso : OUT t_mem_miso;
sdp_info : IN t_sdp_info;
gn_id : IN STD_LOGIC_VECTOR(4 DOWNTO 0);
eth_src_mac : IN STD_LOGIC_VECTOR(47 DOWNTO 0);
ip_src_addr : IN STD_LOGIC_VECTOR(31 DOWNTO 0);
udp_src_port : IN STD_LOGIC_VECTOR(15 DOWNTO 0);
hdr_fields_out : OUT STD_LOGIC_VECTOR(1023 DOWNTO 0)
);
END node_sdp_beamformer;
ARCHITECTURE str OF node_sdp_beamformer IS
CONSTANT c_select_file_prefix : STRING := "UNUSED";
CONSTANT c_bf_weights_file_name : STRING := "UNUSED";
SIGNAL bsel_sosi_arr : t_dp_sosi_arr(c_sdp_P_pfb-1 DOWNTO 0) := (OTHERS => c_dp_sosi_rst);
SIGNAL local_bf_sosi : t_dp_sosi := c_dp_sosi_rst;
SIGNAL bf_sum_sosi : t_dp_sosi := c_dp_sosi_rst;
SIGNAL bf_out_sosi : t_dp_sosi := c_dp_sosi_rst;
SIGNAL scope_local_bf_sosi_arr : t_dp_sosi_integer_arr(c_sdp_N_pol-1 DOWNTO 0);
SIGNAL scope_bf_sum_sosi_arr : t_dp_sosi_integer_arr(c_sdp_N_pol-1 DOWNTO 0);
SIGNAL scope_bf_out_sosi_arr : t_dp_sosi_integer_arr(c_sdp_N_pol-1 DOWNTO 0);
BEGIN
---------------------------------------------------------------
-- Beamlet Subband Select
---------------------------------------------------------------
u_reorder_col_wide : ENTITY reorder_lib.reorder_col_wide
GENERIC MAP (
g_wb_factor => c_sdp_P_pfb, -- g_wb_factor is only used for number of parallel streams
g_dsp_data_w => c_sdp_W_subband,
g_nof_ch_in => c_sdp_N_sub * c_sdp_Q_fft,
g_nof_ch_sel => c_sdp_S_sub_bf * c_sdp_Q_fft,
g_select_file_prefix => c_select_file_prefix,
g_use_complex => TRUE
)
PORT MAP(
input_sosi_arr => in_sosi_arr,
output_sosi_arr => bsel_sosi_arr,
ram_ss_ss_wide_mosi => ram_ss_ss_wide_mosi,
ram_ss_ss_wide_miso => ram_ss_ss_wide_miso,
mm_rst => mm_rst,
mm_clk => mm_clk,
dp_clk => dp_clk,
dp_rst => dp_rst
);
---------------------------------------------------------------
-- Local BF
---------------------------------------------------------------
u_sdp_beamformer_local : ENTITY work.sdp_beamformer_local
GENERIC MAP (
g_bf_weights_file_name => c_bf_weights_file_name
)
PORT MAP (
dp_rst => dp_rst,
dp_clk => dp_clk,
mm_rst => mm_rst,
mm_clk => mm_clk,
ram_bf_weights_mosi => ram_bf_weights_mosi,
ram_bf_weights_miso => ram_bf_weights_miso,
in_sosi_arr => bsel_sosi_arr,
out_sosi => local_bf_sosi
);
---------------------------------------------------------------
-- Remote BF
---------------------------------------------------------------
-- Not yet implemented
bf_sum_sosi <= local_bf_sosi;
---------------------------------------------------------------
-- Scale Beamlets
---------------------------------------------------------------
u_mms_dp_scale : ENTITY dp_lib.mms_dp_scale
GENERIC MAP (
g_complex_data => TRUE,
g_complex_gain => FALSE,
g_gain_init_re => 2**(c_sdp_W_beamlet_scale-1),
g_gain_w => c_sdp_W_beamlet_scale,
g_in_dat_w => c_sdp_W_beamlet_sum,
g_out_dat_w => c_sdp_W_beamlet,
g_lsb_w => c_sdp_W_beamlet_scale-1,
g_lsb_round => TRUE,
g_lsb_round_clip => FALSE,
g_msb_clip => TRUE,
g_msb_clip_symmetric => TRUE
)
PORT MAP(
dp_clk => dp_clk,
dp_rst => dp_rst,
in_sosi => bf_sum_sosi,
out_sosi => bf_out_sosi,
mm_rst => mm_rst,
mm_clk => mm_clk,
reg_gain_re_mosi => reg_gain_re_mosi,
reg_gain_re_miso => reg_gain_re_miso
);
---------------------------------------------------------------
-- Beamlet Data Output (BDO)
---------------------------------------------------------------
u_sdp_beamformer_output : ENTITY work.sdp_beamformer_output
GENERIC MAP(
g_beamset_id => g_beamset_id
)
PORT MAP (
mm_rst => mm_rst,
mm_clk => mm_clk,
dp_rst => dp_rst,
dp_clk => dp_clk,
in_sosi => bf_out_sosi,
out_sosi => bf_udp_sosi,
src_in => bf_udp_siso,
sdp_info => sdp_info,
gn_id => gn_id,
eth_src_mac => eth_src_mac,
ip_src_addr => ip_src_addr,
udp_src_port => udp_src_port,
hdr_fields_out => hdr_fields_out,
reg_hdr_dat_mosi => reg_hdr_dat_mosi,
reg_hdr_dat_miso => reg_hdr_dat_miso,
reg_dp_xonoff_mosi => reg_dp_xonoff_mosi,
reg_dp_xonoff_miso => reg_dp_xonoff_miso
);
---------------------------------------------------------------
-- Beamlet Statistics (BST)
---------------------------------------------------------------
u_beamlet_stats : ENTITY st_lib.st_sst
GENERIC MAP(
g_nof_stat => c_sdp_S_sub_bf*c_sdp_N_pol,
g_in_data_w => c_sdp_W_beamlet_sum,
g_stat_data_w => c_longword_w,
g_stat_data_sz => c_longword_sz/c_word_sz
)
PORT MAP (
mm_rst => mm_rst,
mm_clk => mm_clk,
dp_rst => dp_rst,
dp_clk => dp_clk,
in_complex => bf_sum_sosi,
ram_st_sst_mosi => ram_st_sst_mosi,
ram_st_sst_miso => ram_st_sst_miso
);
---------------------------------------------------------------
-- MM master multiplexer
---------------------------------------------------------------
-- Not yet implemented
---------------------------------------------------------------
-- BST UDP offload
---------------------------------------------------------------
-- Not yet implemented
---------------------------------------------------------------
-- SIGNAL SCOPES
---------------------------------------------------------------
u_sdp_scope_local_bf : ENTITY work.sdp_scope
GENERIC MAP (
g_sim => g_sim,
g_selection => g_scope_selected_beamlet,
g_nof_input => 1,
g_n_deinterleave => c_sdp_N_pol,
g_dat_w => c_sdp_W_beamlet_sum
)
PORT MAP (
clk => dp_clk,
rst => dp_rst,
sp_sosi_arr(0) => local_bf_sosi,
scope_sosi_arr => scope_local_bf_sosi_arr
);
u_sdp_scope_bf_sum : ENTITY work.sdp_scope
GENERIC MAP (
g_sim => g_sim,
g_selection => g_scope_selected_beamlet,
g_nof_input => 1,
g_n_deinterleave => c_sdp_N_pol,
g_dat_w => c_sdp_W_beamlet_sum
)
PORT MAP (
clk => dp_clk,
rst => dp_rst,
sp_sosi_arr(0) => bf_sum_sosi,
scope_sosi_arr => scope_bf_sum_sosi_arr
);
u_sdp_scope_bf_out : ENTITY work.sdp_scope
GENERIC MAP (
g_sim => g_sim,
g_selection => g_scope_selected_beamlet,
g_nof_input => 1,
g_n_deinterleave => c_sdp_N_pol,
g_dat_w => c_sdp_W_beamlet
)
PORT MAP (
clk => dp_clk,
rst => dp_rst,
sp_sosi_arr(0) => bf_out_sosi,
scope_sosi_arr => scope_bf_out_sosi_arr
);
END str;
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