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FMC TDC 1ns 5cha - Gateware
Commit 7b04e424 authored by egousiou's avatar egousiou
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folders restructuring; one core for both spec and svec 

git-svn-id: http://svn.ohwr.org/fmc-tdc@127 85dfdc96-de2c-444c-878d-45b388be74a9
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hdl/spec/src/ip_cores/gnum_core/dma_controller.vhd deleted 100644 → 0
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hdl/spec/src/ip_cores/gnum_core/genram_pkg.vhd deleted 100644 → 0
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-------------------------------------------------------------------------------
-- Title : Main package file
-- Project : Generics RAMs and FIFOs collection
-------------------------------------------------------------------------------
-- File : genram_pkg.vhd
-- Author : Tomasz Wlostowski
-- Company : CERN BE-CO-HT
-- Created : 2011-01-25
-- Last update: 2011-05-11
-- Platform :
-- Standard : VHDL'93
-------------------------------------------------------------------------------
--
-- Copyright (c) 2011 CERN
--
-- This source file is free software; you can redistribute it
-- and/or modify it under the terms of the GNU Lesser General
-- Public License as published by the Free Software Foundation;
-- either version 2.1 of the License, or (at your option) any
-- later version.
--
-- This source is distributed in the hope that it will be
-- useful, but WITHOUT ANY WARRANTY; without even the implied
-- warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
-- PURPOSE. See the GNU Lesser General Public License for more
-- details.
--
-- You should have received a copy of the GNU Lesser General
-- Public License along with this source; if not, download it
-- from http://www.gnu.org/licenses/lgpl-2.1.html
--
-------------------------------------------------------------------------------
-- Revisions :
-- Date Version Author Description
-- 2011-01-25 1.0 twlostow Created
-------------------------------------------------------------------------------
library ieee;
use ieee.std_logic_1164.all;
package genram_pkg is
function f_log2_size (A : natural) return natural;
-- Single-port synchronous RAM
component generic_spram
generic (
g_data_width : natural;
g_size : natural;
g_with_byte_enable : boolean := false;
g_init_file : string := "";
g_addr_conflict_resolution : string := "read_first") ;
port (
rst_n_i : in std_logic;
clk_i : in std_logic;
bwe_i : in std_logic_vector((g_data_width+7)/8-1 downto 0);
we_i : in std_logic;
a_i : in std_logic_vector(f_log2_size(g_size)-1 downto 0);
d_i : in std_logic_vector(g_data_width-1 downto 0);
q_o : out std_logic_vector(g_data_width-1 downto 0));
end component;
component generic_dpram
generic (
g_data_width : natural;
g_size : natural;
g_with_byte_enable : boolean := false;
g_addr_conflict_resolution : string := "read_first";
g_init_file : string := "";
g_dual_clock : boolean := true);
port (
rst_n_i : in std_logic := '1';
clka_i : in std_logic;
bwea_i : in std_logic_vector(g_data_width/8-1 downto 0);
wea_i : in std_logic;
aa_i : in std_logic_vector(f_log2_size(g_size)-1 downto 0);
da_i : in std_logic_vector(g_data_width-1 downto 0);
qa_o : out std_logic_vector(g_data_width-1 downto 0);
clkb_i : in std_logic;
bweb_i : in std_logic_vector(g_data_width/8-1 downto 0);
web_i : in std_logic;
ab_i : in std_logic_vector(f_log2_size(g_size)-1 downto 0);
db_i : in std_logic_vector(g_data_width-1 downto 0);
qb_o : out std_logic_vector(g_data_width-1 downto 0));
end component;
component generic_async_fifo
generic (
g_data_width : natural;
g_size : natural;
g_show_ahead : boolean := false;
g_with_rd_empty : boolean := true;
g_with_rd_full : boolean := false;
g_with_rd_almost_empty : boolean := false;
g_with_rd_almost_full : boolean := false;
g_with_rd_count : boolean := false;
g_with_wr_empty : boolean := false;
g_with_wr_full : boolean := true;
g_with_wr_almost_empty : boolean := false;
g_with_wr_almost_full : boolean := false;
g_with_wr_count : boolean := false;
g_almost_empty_threshold : integer := 0;
g_almost_full_threshold : integer := 0);
port (
rst_n_i : in std_logic := '1';
clk_wr_i : in std_logic;
d_i : in std_logic_vector(g_data_width-1 downto 0);
we_i : in std_logic;
wr_empty_o : out std_logic;
wr_full_o : out std_logic;
wr_almost_empty_o : out std_logic;
wr_almost_full_o : out std_logic;
wr_count_o : out std_logic_vector(f_log2_size(g_size)-1 downto 0);
clk_rd_i : in std_logic;
q_o : out std_logic_vector(g_data_width-1 downto 0);
rd_i : in std_logic;
rd_empty_o : out std_logic;
rd_full_o : out std_logic;
rd_almost_empty_o : out std_logic;
rd_almost_full_o : out std_logic;
rd_count_o : out std_logic_vector(f_log2_size(g_size)-1 downto 0));
end component;
component generic_sync_fifo
generic (
g_data_width : natural;
g_size : natural;
g_show_ahead : boolean := false;
g_with_empty : boolean := true;
g_with_full : boolean := true;
g_with_almost_empty : boolean := false;
g_with_almost_full : boolean := false;
g_with_count : boolean := false;
g_almost_empty_threshold : integer := 0;
g_almost_full_threshold : integer := 0);
port (
rst_n_i : in std_logic := '1';
clk_i : in std_logic;
d_i : in std_logic_vector(g_data_width-1 downto 0);
we_i : in std_logic;
q_o : out std_logic_vector(g_data_width-1 downto 0);
rd_i : in std_logic;
empty_o : out std_logic;
full_o : out std_logic;
almost_empty_o : out std_logic;
almost_full_o : out std_logic;
count_o : out std_logic_vector(f_log2_size(g_size)-1 downto 0));
end component;
end genram_pkg;
package body genram_pkg is
function f_log2_size (A : natural) return natural is
begin
for I in 1 to 64 loop -- Works for up to 64 bits
if (2**I >= A) then
return(I);
end if;
end loop;
return(63);
end function f_log2_size;
end genram_pkg;
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hdl/spec/src/ip_cores/gnum_core/gn4124_core.vhd deleted 100644 → 0
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hdl/spec/src/ip_cores/gnum_core/gn4124_core_pkg.vhd deleted 100644 → 0
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hdl/spec/src/ip_cores/gnum_core/l2p_arbiter.vhd deleted 100644 → 0
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-------------------------------------------------------------------------------
-- --
-- CERN BE-CO-HT GN4124 core for PCIe FMC carrier --
-- http://www.ohwr.org/projects/gn4124-core --
-------------------------------------------------------------------------------
--
-- unit name: GN4124 core arbiter (arbiter.vhd)
--
-- authors: Simon Deprez (simon.deprez@cern.ch)
-- Matthieu Cattin (matthieu.cattin@cern.ch)
--
-- date: 12-08-2010
--
-- version: 0.1
--
-- description: Arbitrates PCIe accesses between Wishbone master,
-- L2P DMA master and P2L DMA master
--
-- dependencies:
--
--------------------------------------------------------------------------------
-- GNU LESSER GENERAL PUBLIC LICENSE
--------------------------------------------------------------------------------
-- This source file is free software; you can redistribute it and/or modify it
-- under the terms of the GNU Lesser General Public License as published by the
-- Free Software Foundation; either version 2.1 of the License, or (at your
-- option) any later version. This source is distributed in the hope that it
-- will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty
-- of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
-- See the GNU Lesser General Public License for more details. You should have
-- received a copy of the GNU Lesser General Public License along with this
-- source; if not, download it from http://www.gnu.org/licenses/lgpl-2.1.html
-------------------------------------------------------------------------------
-- last changes: 23-09-2010 (mcattin) Add FF on data path and
-- change valid request logic
-------------------------------------------------------------------------------
library IEEE;
use IEEE.STD_LOGIC_1164.all;
use IEEE.NUMERIC_STD.all;
use work.gn4124_core_pkg.all;
entity l2p_arbiter is
port
(
---------------------------------------------------------
-- GN4124 core clock and reset
clk_i : in std_logic;
rst_n_i : in std_logic;
---------------------------------------------------------
-- From Wishbone master (wbm) to arbiter (arb)
wbm_arb_valid_i : in std_logic;
wbm_arb_dframe_i : in std_logic;
wbm_arb_data_i : in std_logic_vector(31 downto 0);
wbm_arb_req_i : in std_logic;
arb_wbm_gnt_o : out std_logic;
---------------------------------------------------------
-- From P2L DMA master (pdm) to arbiter (arb)
pdm_arb_valid_i : in std_logic;
pdm_arb_dframe_i : in std_logic;
pdm_arb_data_i : in std_logic_vector(31 downto 0);
pdm_arb_req_i : in std_logic;
arb_pdm_gnt_o : out std_logic;
---------------------------------------------------------
-- From L2P DMA master (ldm) to arbiter (arb)
ldm_arb_valid_i : in std_logic;
ldm_arb_dframe_i : in std_logic;
ldm_arb_data_i : in std_logic_vector(31 downto 0);
ldm_arb_req_i : in std_logic;
arb_ldm_gnt_o : out std_logic;
---------------------------------------------------------
-- From arbiter (arb) to serializer (ser)
arb_ser_valid_o : out std_logic;
arb_ser_dframe_o : out std_logic;
arb_ser_data_o : out std_logic_vector(31 downto 0)
);
end l2p_arbiter;
architecture rtl of l2p_arbiter is
------------------------------------------------------------------------------
-- Signals declaration
------------------------------------------------------------------------------
signal wbm_arb_req_valid : std_logic;
signal pdm_arb_req_valid : std_logic;
signal ldm_arb_req_valid : std_logic;
signal arb_wbm_gnt : std_logic;
signal arb_pdm_gnt : std_logic;
signal arb_ldm_gnt : std_logic;
signal eop : std_logic; -- End of packet
signal arb_ser_valid_t : std_logic;
signal arb_ser_dframe_t : std_logic;
signal arb_ser_data_t : std_logic_vector(31 downto 0);
begin
-- A request is valid only if the access not already granted to another source
wbm_arb_req_valid <= wbm_arb_req_i and (not(arb_pdm_gnt) and not(arb_ldm_gnt));
pdm_arb_req_valid <= pdm_arb_req_i and (not(arb_wbm_gnt) and not(arb_ldm_gnt));
ldm_arb_req_valid <= ldm_arb_req_i and (not(arb_wbm_gnt) and not(arb_pdm_gnt));
-- Detect end of packet to delimit the arbitration phase
eop <= ((arb_wbm_gnt and not(wbm_arb_dframe_i) and wbm_arb_valid_i) or
(arb_pdm_gnt and not(pdm_arb_dframe_i) and pdm_arb_valid_i) or
(arb_ldm_gnt and not(ldm_arb_dframe_i) and ldm_arb_valid_i));
-----------------------------------------------------------------------------
-- Arbitration is started when a valid request is present and ends when the
-- EOP condition is detected
--
-- Strict priority arbitration scheme
-- Highest : WBM request
-- : LDM request
-- Lowest : PDM request
-----------------------------------------------------------------------------
process (clk_i, rst_n_i)
begin
if(rst_n_i = c_RST_ACTIVE) then
arb_wbm_gnt <= '0';
arb_pdm_gnt <= '0';
arb_ldm_gnt <= '0';
elsif rising_edge(clk_i) then
--if (arb_req_valid = '1') then
if (wbm_arb_req_valid = '1') then
arb_wbm_gnt <= '1';
arb_pdm_gnt <= '0';
arb_ldm_gnt <= '0';
elsif (ldm_arb_req_valid = '1') then
arb_wbm_gnt <= '0';
arb_pdm_gnt <= '0';
arb_ldm_gnt <= '1';
elsif (pdm_arb_req_valid = '1') then
arb_wbm_gnt <= '0';
arb_pdm_gnt <= '1';
arb_ldm_gnt <= '0';
elsif (eop = '1') then
arb_wbm_gnt <= '0';
arb_pdm_gnt <= '0';
arb_ldm_gnt <= '0';
end if;
end if;
end process;
process (clk_i, rst_n_i)
begin
if rst_n_i = '0' then
arb_ser_valid_t <= '0';
arb_ser_dframe_t <= '0';
arb_ser_data_t <= (others => '0');
elsif rising_edge(clk_i) then
if arb_wbm_gnt = '1' then
arb_ser_valid_t <= wbm_arb_valid_i;
arb_ser_dframe_t <= wbm_arb_dframe_i;
arb_ser_data_t <= wbm_arb_data_i;
elsif arb_pdm_gnt = '1' then
arb_ser_valid_t <= pdm_arb_valid_i;
arb_ser_dframe_t <= pdm_arb_dframe_i;
arb_ser_data_t <= pdm_arb_data_i;
elsif arb_ldm_gnt = '1' then
arb_ser_valid_t <= ldm_arb_valid_i;
arb_ser_dframe_t <= ldm_arb_dframe_i;
arb_ser_data_t <= ldm_arb_data_i;
else
arb_ser_valid_t <= '0';
arb_ser_dframe_t <= '0';
arb_ser_data_t <= (others => '0');
end if;
end if;
end process;
process (clk_i, rst_n_i)
begin
if rst_n_i = '0' then
arb_ser_valid_o <= '0';
arb_ser_dframe_o <= '0';
arb_ser_data_o <= (others => '0');
elsif rising_edge(clk_i) then
arb_ser_valid_o <= arb_ser_valid_t;
arb_ser_dframe_o <= arb_ser_dframe_t;
arb_ser_data_o <= arb_ser_data_t;
end if;
end process;
arb_wbm_gnt_o <= arb_wbm_gnt;
arb_pdm_gnt_o <= arb_pdm_gnt;
arb_ldm_gnt_o <= arb_ldm_gnt;
end rtl;
hdl/spec/src/ip_cores/gnum_core/l2p_dma_master.vhd deleted 100644 → 0
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hdl/spec/src/ip_cores/gnum_core/l2p_ser.vhd deleted 100644 → 0
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--------------------------------------------------------------------------------
-- --
-- CERN BE-CO-HT GN4124 core for PCIe FMC carrier --
-- http://www.ohwr.org/projects/gn4124-core --
--------------------------------------------------------------------------------
--
-- unit name: L2P serializer (l2p_ser_s6.vhd)
--
-- authors: Simon Deprez (simon.deprez@cern.ch)
-- Matthieu Cattin (matthieu.cattin@cern.ch)
--
-- date: 31-08-2010
--
-- version: 1.0
--
-- description: Generates the DDR L2P bus from SDR that is synchronous to the
-- core clock. Spartan6 FPGAs version.
--
--
-- dependencies:
--
--------------------------------------------------------------------------------
-- GNU LESSER GENERAL PUBLIC LICENSE
--------------------------------------------------------------------------------
-- This source file is free software; you can redistribute it and/or modify it
-- under the terms of the GNU Lesser General Public License as published by the
-- Free Software Foundation; either version 2.1 of the License, or (at your
-- option) any later version. This source is distributed in the hope that it
-- will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty
-- of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
-- See the GNU Lesser General Public License for more details. You should have
-- received a copy of the GNU Lesser General Public License along with this
-- source; if not, download it from http://www.gnu.org/licenses/lgpl-2.1.html
--------------------------------------------------------------------------------
-- last changes: 23-09-2010 (mcattin) Always active high reset for FFs.
--------------------------------------------------------------------------------
library IEEE;
use IEEE.STD_LOGIC_1164.all;
use IEEE.NUMERIC_STD.all;
use work.gn4124_core_pkg.all;
library UNISIM;
use UNISIM.vcomponents.all;
entity l2p_ser is
port
(
---------------------------------------------------------
-- Reset and clock
rst_n_i : in std_logic;
sys_clk_i : in std_logic;
io_clk_i : in std_logic;
serdes_strobe_i : in std_logic;
---------------------------------------------------------
-- L2P SDR inputs
l2p_valid_i : in std_logic;
l2p_dframe_i : in std_logic;
l2p_data_i : in std_logic_vector(31 downto 0);
---------------------------------------------------------
-- L2P DDR outputs
l2p_clk_p_o : out std_logic;
l2p_clk_n_o : out std_logic;
l2p_valid_o : out std_logic;
l2p_dframe_o : out std_logic;
l2p_data_o : out std_logic_vector(15 downto 0)
);
end l2p_ser;
architecture rtl of l2p_ser is
-----------------------------------------------------------------------------
-- Components declaration
-----------------------------------------------------------------------------
component serdes_n_to_1_s2_se
generic (
S : integer := 2; -- Parameter to set the serdes factor 1..8
D : integer := 16) ; -- Set the number of inputs and outputs
port (
txioclk : in std_logic; -- IO Clock network
txserdesstrobe : in std_logic; -- Parallel data capture strobe
reset : in std_logic; -- Reset
gclk : in std_logic; -- Global clock
datain : in std_logic_vector((D*S)-1 downto 0); -- Data for output
dataout : out std_logic_vector(D-1 downto 0)) ; -- output
end component serdes_n_to_1_s2_se;
component serdes_n_to_1_s2_diff
generic (
S : integer := 2; -- Parameter to set the serdes factor 1..8
D : integer := 1) ; -- Set the number of inputs and outputs
port (
txioclk : in std_logic; -- IO Clock network
txserdesstrobe : in std_logic; -- Parallel data capture strobe
reset : in std_logic; -- Reset
gclk : in std_logic; -- Global clock
datain : in std_logic_vector((D*S)-1 downto 0); -- Data for output
dataout_p : out std_logic_vector(D-1 downto 0); -- output
dataout_n : out std_logic_vector(D-1 downto 0)) ; -- output
end component serdes_n_to_1_s2_diff;
-----------------------------------------------------------------------------
-- Comnstants declaration
-----------------------------------------------------------------------------
constant S : integer := 2; -- Set the serdes factor to 2
constant D : integer := 16; -- Set the number of outputs
constant c_TX_CLK : std_logic_vector(1 downto 0) := "01";
-----------------------------------------------------------------------------
-- Signals declaration
-----------------------------------------------------------------------------
-- Serdes reset
signal rst : std_logic;
-- SDR signals
signal l2p_dframe_t : std_logic_vector(1 downto 0);
signal l2p_valid_t : std_logic_vector(1 downto 0);
signal l2p_dframe_v : std_logic_vector(0 downto 0);
signal l2p_valid_v : std_logic_vector(0 downto 0);
signal l2p_clk_p_v : std_logic_vector(0 downto 0);
signal l2p_clk_n_v : std_logic_vector(0 downto 0);
begin
------------------------------------------------------------------------------
-- Active high reset for DDR FF
------------------------------------------------------------------------------
gen_fifo_rst_n : if c_RST_ACTIVE = '0' generate
rst <= not(rst_n_i);
end generate;
gen_fifo_rst : if c_RST_ACTIVE = '1' generate
rst <= rst_n_i;
end generate;
------------------------------------------------------------------------------
-- Instantiate serialiser to generate forwarded clock
------------------------------------------------------------------------------
cmp_clk_out : serdes_n_to_1_s2_diff
generic map(
S => S,
D => 1)
port map (
txioclk => io_clk_i,
txserdesstrobe => serdes_strobe_i,
gclk => sys_clk_i,
reset => rst,
datain => c_TX_CLK, -- Transmit a constant to make the clock
dataout_p => l2p_clk_p_v,
dataout_n => l2p_clk_n_v);
-- Type conversion, std_logic_vector to std_logic
l2p_clk_p_o <= l2p_clk_p_v(0);
l2p_clk_n_o <= l2p_clk_n_v(0);
------------------------------------------------------------------------------
-- Instantiate serialisers for output data lines
------------------------------------------------------------------------------
cmp_data_out : serdes_n_to_1_s2_se
generic map(
S => S,
D => D)
port map (
txioclk => io_clk_i,
txserdesstrobe => serdes_strobe_i,
gclk => sys_clk_i,
reset => rst,
datain => l2p_data_i,
dataout => l2p_data_o);
------------------------------------------------------------------------------
-- Instantiate serialisers for dframe
------------------------------------------------------------------------------
cmp_dframe_out : serdes_n_to_1_s2_se
generic map(
S => S,
D => 1)
port map (
txioclk => io_clk_i,
txserdesstrobe => serdes_strobe_i,
gclk => sys_clk_i,
reset => rst,
datain => l2p_dframe_t,
dataout => l2p_dframe_v);
-- Serialize two times the same value
l2p_dframe_t <= l2p_dframe_i & l2p_dframe_i;
-- Type conversion, std_logic_vector to std_logic
l2p_dframe_o <= l2p_dframe_v(0);
------------------------------------------------------------------------------
-- Instantiate serialisers for valid
------------------------------------------------------------------------------
cmp_valid_out : serdes_n_to_1_s2_se
generic map(
S => S,
D => 1)
port map (
txioclk => io_clk_i,
txserdesstrobe => serdes_strobe_i,
gclk => sys_clk_i,
reset => rst,
datain => l2p_valid_t,
dataout => l2p_valid_v);
-- Serialize two times the same value
l2p_valid_t <= l2p_valid_i & l2p_valid_i;
-- Type conversion, std_logic_vector to std_logic
l2p_valid_o <= l2p_valid_v(0);
end rtl;
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--------------------------------------------------------------------------------
-- --
-- CERN BE-CO-HT GN4124 core for PCIe FMC carrier --
-- http://www.ohwr.org/projects/gn4124-core --
--------------------------------------------------------------------------------
--
-- unit name: P2L deserializer (p2l_des_s6.vhd)
--
-- authors: Simon Deprez (simon.deprez@cern.ch)
-- Matthieu Cattin (matthieu.cattin@cern.ch)
--
-- date: 31-08-2010
--
-- version: 1.0
--
-- description: Takes the DDR P2L bus and converts to SDR that is synchronous
-- to the core clock. Spartan6 FPGAs version.
--
-- dependencies:
--
--------------------------------------------------------------------------------
-- GNU LESSER GENERAL PUBLIC LICENSE
--------------------------------------------------------------------------------
-- This source file is free software; you can redistribute it and/or modify it
-- under the terms of the GNU Lesser General Public License as published by the
-- Free Software Foundation; either version 2.1 of the License, or (at your
-- option) any later version. This source is distributed in the hope that it
-- will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty
-- of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
-- See the GNU Lesser General Public License for more details. You should have
-- received a copy of the GNU Lesser General Public License along with this
-- source; if not, download it from http://www.gnu.org/licenses/lgpl-2.1.html
--------------------------------------------------------------------------------
-- last changes: 23-09-2010 (mcattin) Always active high reset for FFs.
--------------------------------------------------------------------------------
library IEEE;
use IEEE.STD_LOGIC_1164.all;
use IEEE.NUMERIC_STD.all;
use work.gn4124_core_pkg.all;
library UNISIM;
use UNISIM.vcomponents.all;
entity p2l_des is
port
(
---------------------------------------------------------
-- Reset and clock
rst_n_i : in std_logic;
sys_clk_i : in std_logic;
io_clk_i : in std_logic;
serdes_strobe_i : in std_logic;
---------------------------------------------------------
-- P2L clock domain (DDR)
--
-- P2L inputs
p2l_valid_i : in std_logic;
p2l_dframe_i : in std_logic;
p2l_data_i : in std_logic_vector(15 downto 0);
---------------------------------------------------------
-- Core clock domain (SDR)
--
-- Deserialized output
p2l_valid_o : out std_logic;
p2l_dframe_o : out std_logic;
p2l_data_o : out std_logic_vector(31 downto 0)
);
end p2l_des;
architecture rtl of p2l_des is
-----------------------------------------------------------------------------
-- Components declaration
-----------------------------------------------------------------------------
component serdes_1_to_n_data_s2_se
generic (
USE_PD : boolean := false; -- Parameter to set generation of phase detector logic
S : integer := 2; -- Parameter to set the serdes factor 1..8
D : integer := 16) ; -- Set the number of inputs and outputs
port (
use_phase_detector : in std_logic; -- Set generation of phase detector logic
datain : in std_logic_vector(D-1 downto 0); -- Input from se receiver pin
rxioclk : in std_logic; -- IO Clock network
rxserdesstrobe : in std_logic; -- Parallel data capture strobe
reset : in std_logic; -- Reset line
gclk : in std_logic; -- Global clock
bitslip : in std_logic; -- Bitslip control line
debug_in : in std_logic_vector(1 downto 0); -- input debug data
data_out : out std_logic_vector((D*S)-1 downto 0); -- Output data
-- Debug bus, 2D+6 = 2 lines per input (from mux and ce) + 7, leave nc if debug not required
debug : out std_logic_vector((2*D)+6 downto 0)) ;
end component serdes_1_to_n_data_s2_se;
-----------------------------------------------------------------------------
-- Comnstants declaration
-----------------------------------------------------------------------------
constant S : integer := 2; -- Set the serdes factor to 2
constant D : integer := 16; -- Set the number of inputs and outputs
-----------------------------------------------------------------------------
-- Signals declaration
-----------------------------------------------------------------------------
-- Serdes reset
signal rst : std_logic;
-- SDR signals
signal p2l_valid_v : std_logic_vector(0 downto 0);
signal p2l_dframe_v : std_logic_vector(0 downto 0);
signal p2l_valid_t : std_logic_vector(1 downto 0);
signal p2l_dframe_t : std_logic_vector(1 downto 0);
signal p2l_data_t : std_logic_vector(p2l_data_o'range);
signal p2l_valid_t2 : std_logic;
signal p2l_dframe_t2 : std_logic;
signal p2l_data_t2 : std_logic_vector(p2l_data_o'range);
signal p2l_data_bitslip : std_logic_vector(1 downto 0);
signal p2l_data_bitslip_p : std_logic;
--signal p2l_ctrl_v : std_logic_vector(1 downto 0);
--signal p2l_ctrl_t : std_logic_vector(3 downto 0);
begin
------------------------------------------------------------------------------
-- Active high reset
------------------------------------------------------------------------------
gen_rst_n : if c_RST_ACTIVE = '0' generate
rst <= not(rst_n_i);
end generate;
gen_rst : if c_RST_ACTIVE = '1' generate
rst <= rst_n_i;
end generate;
------------------------------------------------------------------------------
-- data input bit slip
------------------------------------------------------------------------------
p_din_bitslip : process (sys_clk_i, rst_n_i)
begin
if rst_n_i = c_RST_ACTIVE then
p2l_data_bitslip <= (others => '0');
elsif rising_edge(sys_clk_i) then
p2l_data_bitslip <= p2l_data_bitslip(0) & '1';
end if;
end process p_din_bitslip;
p2l_data_bitslip_p <= p2l_data_bitslip(0) and not(p2l_data_bitslip(1));
------------------------------------------------------------------------------
-- data inputs
------------------------------------------------------------------------------
cmp_data_in : serdes_1_to_n_data_s2_se
generic map(
USE_PD => false,
S => S,
D => D)
port map (
use_phase_detector => '0', -- '1' enables the phase detector logic
datain => p2l_data_i,
rxioclk => io_clk_i,
rxserdesstrobe => serdes_strobe_i,
gclk => sys_clk_i,
bitslip => '0', --p2l_data_bitslip_p,
reset => rst,
data_out => p2l_data_t,
debug_in => "00",
debug => open);
------------------------------------------------------------------------------
-- dframe input
------------------------------------------------------------------------------
cmp_dframe_in : serdes_1_to_n_data_s2_se
generic map(
USE_PD => false,
S => S,
D => 1)
port map (
use_phase_detector => '0', -- '1' enables the phase detector logic
datain => p2l_dframe_v,
rxioclk => io_clk_i,
rxserdesstrobe => serdes_strobe_i,
gclk => sys_clk_i,
bitslip => '0',
reset => rst,
data_out => p2l_dframe_t,
debug_in => "00",
debug => open);
-- Type conversion, std_logic to std_logic_vector
p2l_dframe_v(0) <= p2l_dframe_i;
------------------------------------------------------------------------------
-- valid input
------------------------------------------------------------------------------
cmp_valid_in : serdes_1_to_n_data_s2_se
generic map(
USE_PD => false,
S => S,
D => 1)
port map (
use_phase_detector => '0', -- '1' enables the phase detector logic
datain => p2l_valid_v,
rxioclk => io_clk_i,
rxserdesstrobe => serdes_strobe_i,
gclk => sys_clk_i,
bitslip => '0',
reset => rst,
data_out => p2l_valid_t,
debug_in => "00",
debug => open);
-- Type conversion, std_logic to std_logic_vector
p2l_valid_v(0) <= p2l_valid_i;
p_in_sys_sync : process (sys_clk_i, rst_n_i)
begin
if rst_n_i = c_RST_ACTIVE then
p2l_data_o <= (others => '0');
p2l_dframe_o <= '0';
p2l_valid_o <= '0';
p2l_data_t2 <= (others => '0');
p2l_dframe_t2 <= '0';
p2l_valid_t2 <= '0';
elsif rising_edge(sys_clk_i) then
p2l_data_t2 <= p2l_data_t;
p2l_dframe_t2 <= p2l_dframe_t(0);
p2l_valid_t2 <= p2l_valid_t(0);
p2l_data_o <= p2l_data_t2;
p2l_dframe_o <= p2l_dframe_t2;
p2l_valid_o <= p2l_valid_t2;
end if;
end process p_in_sys_sync;
end rtl;
hdl/spec/src/ip_cores/gnum_core/p2l_dma_master.vhd deleted 100644 → 0
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hdl/spec/src/ip_cores/gnum_core/pulse_sync_rtl.vhd deleted 100644 → 0
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--=============================================================================
-- @file pulse_sync_rtl.vhd
--=============================================================================
--! Standard library
library IEEE;
--! Standard packages
use IEEE.STD_LOGIC_1164.ALL;
use IEEE.NUMERIC_STD.ALL;
--! Specific packages
-------------------------------------------------------------------------------
-- --
-- CERN, BE-CO-HT, Synchronize a pulse between two clock domains
-- --
-------------------------------------------------------------------------------
--
-- Unit name: Pulse synchronizer (pulse_sync_rtl)
--
--! @brief Synchronize a pulse between two clock domains
--!
--
--! @author Matthieu Cattin (matthieu dot cattin at cern dot ch)
--
--! @date 17\03\2009
--
--! @version v.0.1
--
--! @details
--!
--! <b>Dependencies:</b>\n
--! None
--!
--! <b>References:</b>\n
--!
--!
--! <b>Modified by:</b>\n
--! Author:
-------------------------------------------------------------------------------
--! \n\n<b>Last changes:</b>\n
--! 19.06.2009 mcattin add an extra FF in p_pulse_sync process
--! 23.10.2009 mcattin modify it to a well known pulse synchronizer
-------------------------------------------------------------------------------
--! @todo
--
-------------------------------------------------------------------------------
--------------------------------------------------------------------------------
-- GNU LESSER GENERAL PUBLIC LICENSE
--------------------------------------------------------------------------------
-- This source file is free software; you can redistribute it and/or modify it
-- under the terms of the GNU Lesser General Public License as published by the
-- Free Software Foundation; either version 2.1 of the License, or (at your
-- option) any later version. This source is distributed in the hope that it
-- will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty
-- of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
-- See the GNU Lesser General Public License for more details. You should have
-- received a copy of the GNU Lesser General Public License along with this
-- source; if not, download it from http://www.gnu.org/licenses/lgpl-2.1.html
--------------------------------------------------------------------------------
--=============================================================================
--! Entity declaration for Pulse synchronizer
--=============================================================================
entity pulse_synchronizer is
port (
clk_in_i : in std_logic; --! Input pulse clock domain
clk_out_i : in std_logic; --! Output pulse clock domain
pulse_i : in std_logic; --! One clk_in_i tick input pulse
done_o : out std_logic; --! Input pulse is synchronized (1 clk_in_i tick)
pulse_o : out std_logic --! One clk_out_i tick output pulse
);
end entity pulse_synchronizer;
--=============================================================================
--! Architecture declaration Pulse synchronizer
--=============================================================================
architecture rtl of pulse_synchronizer is
signal s_input_toggle : std_logic := '0';
signal s_input_sync : std_logic_vector(2 downto 0);
signal s_gotit_toggle : std_logic := '0';
signal s_gotit_sync : std_logic_vector(2 downto 0);
signal s_output_pulse : std_logic;
--=============================================================================
--! Architecture begin
--=============================================================================
begin
--*****************************************************************************
-- Begin of p_input_pulse_to_toggle
--! Process: Toggles FF output on every input pulse
--*****************************************************************************
p_input_pulse_to_toggle : process(clk_in_i)
begin
if rising_edge(clk_in_i) then
if pulse_i = '1' then
s_input_toggle <= not(s_input_toggle);
end if;
end if;
end process p_input_pulse_to_toggle;
--*****************************************************************************
-- Begin of p_input_sync
--! Process: Synchronizes input toggle to output clock domain
--*****************************************************************************
p_input_sync: process(clk_out_i)
begin
if rising_edge(clk_out_i) then
s_input_sync(0) <= s_input_toggle;
s_input_sync(1) <= s_input_sync(0);
s_input_sync(2) <= s_input_sync(1);
end if;
end process p_input_sync;
-- generates 1 tick pulse when s_input_toggle changes
s_output_pulse <= s_input_sync(1) xor s_input_sync(2);
-- assign pulse output port
pulse_o <= s_output_pulse;
--*****************************************************************************
-- Begin of p_output_pulse_to_toggle
--! Process: Toggles FF output on every output pulse
--*****************************************************************************
p_output_pulse_to_toggle : process(clk_out_i)
begin
if rising_edge(clk_out_i) then
if s_output_pulse = '1' then
s_gotit_toggle <= not(s_gotit_toggle);
end if;
end if;
end process p_output_pulse_to_toggle;
--*****************************************************************************
-- Begin of p_gotit_sync
--! Process: Synchronizes gotit toggle to input clock domain
--*****************************************************************************
p_gotit_sync: process(clk_in_i)
begin
if rising_edge(clk_in_i) then
s_gotit_sync(0) <= s_gotit_toggle;
s_gotit_sync(1) <= s_gotit_sync(0);
s_gotit_sync(2) <= s_gotit_sync(1);
end if;
end process p_gotit_sync;
-- generates 1 tick pulse when s_gotit_toggle changes
done_o <= s_gotit_sync(1) xor s_gotit_sync(2);
end architecture rtl;
--=============================================================================
--! Architecture end
--=============================================================================
hdl/spec/src/ip_cores/gnum_core/wbmaster32.vhd deleted 100644 → 0
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hdl/spec/src/ip_cores/gnum_core/xilinx_cores/coregen.cgp deleted 100644 → 0
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# Date: Thu Feb 3 16:41:04 2011
SET addpads = false
SET asysymbol = true
SET busformat = BusFormatAngleBracketNotRipped
SET createndf = false
SET designentry = VHDL
SET device = xc6slx45t
SET devicefamily = spartan6
SET flowvendor = Foundation_ISE
SET formalverification = false
SET foundationsym = false
SET implementationfiletype = Ngc
SET package = fgg484
SET removerpms = false
SET simulationfiles = Behavioral
SET speedgrade = -3
SET verilogsim = true
SET vhdlsim = true
SET workingdirectory = ./tmp/
# CRC: f66dfaab
hdl/spec/src/ip_cores/gnum_core/xilinx_cores/fifo_64x512.ngc deleted 100644 → 0
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