From 36d45e0a3075b40b5dee9303a3402570459904f0 Mon Sep 17 00:00:00 2001
From: Eric Kooistra <kooistra@astron.nl>
Date: Tue, 9 May 2023 12:40:15 +0200
Subject: [PATCH] Add wrapper.
---
libraries/base/dp/hdllib.cfg | 1 +
.../base/dp/src/vhdl/dp_fifo_fill_eop_sc.vhd | 124 ++++++++++++++++++
2 files changed, 125 insertions(+)
create mode 100644 libraries/base/dp/src/vhdl/dp_fifo_fill_eop_sc.vhd
diff --git a/libraries/base/dp/hdllib.cfg b/libraries/base/dp/hdllib.cfg
index 89abbd4ab0..8d50013850 100644
--- a/libraries/base/dp/hdllib.cfg
+++ b/libraries/base/dp/hdllib.cfg
@@ -59,6 +59,7 @@ synth_files =
src/vhdl/dp_fifo_fill.vhd
src/vhdl/dp_fifo_fill_reg.vhd
src/vhdl/dp_fifo_fill_eop.vhd
+ src/vhdl/dp_fifo_fill_eop_sc.vhd
src/vhdl/dp_fifo_to_mm.vhd
src/vhdl/dp_fifo_to_mm_reg.vhd
src/vhdl/dp_fifo_from_mm.vhd
diff --git a/libraries/base/dp/src/vhdl/dp_fifo_fill_eop_sc.vhd b/libraries/base/dp/src/vhdl/dp_fifo_fill_eop_sc.vhd
new file mode 100644
index 0000000000..90d16481a7
--- /dev/null
+++ b/libraries/base/dp/src/vhdl/dp_fifo_fill_eop_sc.vhd
@@ -0,0 +1,124 @@
+-------------------------------------------------------------------------------
+--
+-- 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, E. Kooistra
+-- Purpose: Single clk wrapper for dp_fifo_fill_eop.
+--
+-------------------------------------------------------------------------------
+
+LIBRARY IEEE, common_lib, technology_lib;
+USE IEEE.std_logic_1164.ALL;
+USE IEEE.numeric_std.ALL;
+USE common_lib.common_pkg.ALL;
+USE work.dp_stream_pkg.ALL;
+USE technology_lib.technology_select_pkg.ALL;
+
+ENTITY dp_fifo_fill_eop_sc IS
+ GENERIC (
+ g_technology : NATURAL := c_tech_select_default;
+ g_note_is_ful : BOOLEAN := TRUE;
+ g_data_w : NATURAL := 16; -- Should be 2 times the c_complex_w if g_use_complex = TRUE
+ g_data_signed : BOOLEAN := FALSE; -- TRUE extends g_data_w bits with the sign bit, FALSE pads g_data_w bits with zeros.
+ g_bsn_w : NATURAL := 1;
+ g_empty_w : NATURAL := 1;
+ g_channel_w : NATURAL := 1;
+ g_error_w : NATURAL := 1;
+ g_use_bsn : BOOLEAN := FALSE;
+ g_use_empty : BOOLEAN := FALSE;
+ g_use_channel : BOOLEAN := FALSE;
+ g_use_error : BOOLEAN := FALSE;
+ g_use_sync : BOOLEAN := FALSE;
+ g_use_complex : BOOLEAN := FALSE; -- TRUE feeds the concatenated complex fields (im & re) through the FIFO instead of the data field.
+ g_fifo_fill : NATURAL := 0;
+ g_fifo_size : NATURAL := 256; -- (32+2) * 256 = 1 M9K, g_data_w+2 for sop and eop
+ g_fifo_af_margin : NATURAL := 4; -- >=4, Nof words below max (full) at which fifo is considered almost full for snk_out.ready
+ g_fifo_af_xon : NATURAL := 0; -- >=0, Nof words below max (full) at which fifo is considered almost full for snk_out.xon
+ g_fifo_rl : NATURAL := 1 -- use RL=0 for internal show ahead FIFO, default use RL=1 for internal normal FIFO
+ );
+ PORT (
+ rst : IN STD_LOGIC;
+ clk : IN STD_LOGIC;
+ -- Monitor FIFO filling
+ wr_ful : OUT STD_LOGIC; -- corresponds to the carry bit of wr_usedw when FIFO is full
+ usedw : OUT STD_LOGIC_VECTOR(ceil_log2(largest(g_fifo_size, g_fifo_fill + g_fifo_af_margin + 2))-1 DOWNTO 0); -- = ceil_log2(c_fifo_size)-1 DOWNTO 0
+ rd_emp : OUT STD_LOGIC;
+ -- MM control FIFO filling (assume 32 bit MM interface)
+ wr_usedw_32b : OUT STD_LOGIC_VECTOR(c_word_w-1 DOWNTO 0); -- = wr_usedw
+ rd_usedw_32b : OUT STD_LOGIC_VECTOR(c_word_w-1 DOWNTO 0); -- = rd_usedw
+ rd_fill_32b : IN STD_LOGIC_VECTOR(c_word_w-1 DOWNTO 0) := TO_UVEC(g_fifo_fill, c_word_w);
+ -- ST sink
+ snk_out : OUT t_dp_siso;
+ snk_in : IN t_dp_sosi;
+ -- ST source
+ src_in : IN t_dp_siso := c_dp_siso_rdy;
+ src_out : OUT t_dp_sosi
+ );
+END dp_fifo_fill_eop_sc;
+
+ARCHITECTURE wrap OF dp_fifo_fill_eop_sc IS
+BEGIN
+
+ u_dp_fifo_fill_eop : ENTITY work.dp_fifo_fill_eop
+ GENERIC MAP (
+ g_technology => g_technology,
+ g_note_is_ful => g_note_is_ful,
+ g_use_dual_clock => FALSE, -- single clock
+ g_data_w => g_data_w,
+ g_data_signed => g_data_signed,
+ g_bsn_w => g_bsn_w,
+ g_empty_w => g_empty_w,
+ g_channel_w => g_channel_w,
+ g_error_w => g_error_w,
+ g_use_bsn => g_use_bsn,
+ g_use_empty => g_use_empty,
+ g_use_channel => g_use_channel,
+ g_use_error => g_use_error,
+ g_use_sync => g_use_sync,
+ g_use_complex => g_use_complex,
+ g_fifo_fill => g_fifo_fill,
+ g_fifo_size => g_fifo_size,
+ g_fifo_af_margin => g_fifo_af_margin,
+ g_fifo_af_xon => g_fifo_af_xon,
+ g_fifo_rl => g_fifo_rl
+ )
+ PORT MAP (
+ wr_rst => rst,
+ wr_clk => clk,
+ rd_rst => rst,
+ rd_clk => clk,
+ -- Monitor FIFO filling
+ wr_ful => wr_ful,
+ wr_usedw => OPEN,
+ rd_usedw => usedw, -- use rd_usedw, similar as in dp_fifo_sc, dp_fifo_fill_sc
+ rd_emp => rd_emp,
+ -- MM control FIFO filling (assume 32 bit MM interface)
+ wr_usedw_32b => wr_usedw_32b,
+ rd_usedw_32b => rd_usedw_32b,
+ rd_fill_32b => rd_fill_32b,
+ -- ST sink
+ snk_out => snk_out,
+ snk_in => snk_in,
+ -- ST source
+ src_in => src_in,
+ src_out => src_out
+ );
+
+END wrap;
--
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