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Added LFR DM board files and miniAMBA design tesed under Libero9.1 sp1
Added LFR DM board files and miniAMBA design tesed under Libero9.1 sp1
martin - - Load All Authors

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APB_CNA.vhd
123 lines | 4.4 KiB | text/x-vhdl | VhdlLexer
/ lib / lpp / lpp_cna / APB_CNA.vhd
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martin
debug lpp_uart and comment lpp_cna
 r40 ------------------------------------------------------------------------------
-- This file is a part of the LPP VHDL IP LIBRARY
-- Copyright (C) 2009 - 2010, Laboratory of Plasmas Physic - CNRS
--
-- This program is free software; you can redistribute it and/or modify
-- it under the terms of the GNU General Public License as published by
-- the Free Software Foundation; either version 3 of the License, or
-- (at your option) any later version.
--
-- This program 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 General Public License for more details.
--
-- You should have received a copy of the GNU General Public License
-- along with this program; if not, write to the Free Software
-- Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
------------------------------------------------------------------------------
martin
debug lpp_uart and comment lpp_cna
 r41 -- Author : Martin Morlot
martin
debug lpp_uart and comment lpp_cna
 r40 -- Mail : martin.morlot@lpp.polytechnique.fr
------------------------------------------------------------------------------
martin
Update lpp_cna and co
 r17 library ieee;
use ieee.std_logic_1164.all;
library grlib;
use grlib.amba.all;
use grlib.stdlib.all;
use grlib.devices.all;
library lpp;
use lpp.lpp_amba.all;
Alexis
Fixed some files
 r37 use lpp.apb_devices_list.all;
martin
Update lpp_cna and co
 r17 use lpp.lpp_cna.all;
martin
debug lpp_uart and comment lpp_cna
 r40 --! Driver APB, va faire le lien entre l'IP VHDL du convertisseur et le bus Amba
martin
Update lpp_cna and co
 r17
entity APB_CNA is
generic (
pindex : integer := 0;
paddr : integer := 0;
pmask : integer := 16#fff#;
pirq : integer := 0;
abits : integer := 8);
port (
martin
debug lpp_uart and comment lpp_cna
 r40 clk : in std_logic; --! Horloge du composant
rst : in std_logic; --! Reset general du composant
apbi : in apb_slv_in_type; --! Registre de gestion des entr�es du bus
apbo : out apb_slv_out_type; --! Registre de gestion des sorties du bus
SYNC : out std_logic; --! Signal de synchronisation du convertisseur
SCLK : out std_logic; --! Horloge systeme du convertisseur
DATA : out std_logic --! Donn�e num�rique s�rialis�
martin
Update lpp_cna and co
 r17 );
end APB_CNA;
martin
debug lpp_uart and comment lpp_cna
 r40 --! @details Les deux registres (apbi,apbo) permettent de g�rer la communication sur le bus
--! et les sorties seront cabl�es vers le convertisseur.
martin
Update lpp_cna and co
 r17
architecture ar_APB_CNA of APB_CNA is
constant REVISION : integer := 1;
constant pconfig : apb_config_type := (
0 => ahb_device_reg (VENDOR_LPP, LPP_CNA, 0, REVISION, 0),
1 => apb_iobar(paddr, pmask));
martin
optimisation code CNA
 r24 signal enable : std_logic;
signal flag_sd : std_logic;
martin
Update lpp_cna and co
 r17
type CNA_ctrlr_Reg is record
martin
optimisation code CNA
 r24 CNA_Cfg : std_logic_vector(1 downto 0);
martin
Update lpp_cna and co
 r17 CNA_Data : std_logic_vector(15 downto 0);
end record;
signal Rec : CNA_ctrlr_Reg;
signal Rdata : std_logic_vector(31 downto 0);
begin
martin
optimisation code CNA
 r24 enable <= Rec.CNA_Cfg(0);
Rec.CNA_Cfg(1) <= flag_sd;
martin
Update lpp_cna and co
 r17
CONVERTER : entity Work.CNA_TabloC
martin
optimisation code CNA
 r24 port map(clk,rst,enable,Rec.CNA_Data,SYNC,SCLK,flag_sd,Data);
martin
Update lpp_cna and co
 r17
process(rst,clk)
begin
if(rst='0')then
Rec.CNA_Data <= (others => '0');
elsif(clk'event and clk='1')then
--APB Write OP
if (apbi.psel(pindex) and apbi.penable and apbi.pwrite) = '1' then
case apbi.paddr(abits-1 downto 2) is
when "000000" =>
martin
optimisation code CNA
 r24 Rec.CNA_Cfg(0) <= apbi.pwdata(0);
martin
Update lpp_cna and co
 r17 when "000001" =>
Rec.CNA_Data <= apbi.pwdata(15 downto 0);
when others =>
null;
end case;
end if;
--APB READ OP
if (apbi.psel(pindex) and (not apbi.pwrite)) = '1' then
case apbi.paddr(abits-1 downto 2) is
when "000000" =>
martin
optimisation code CNA
 r24 Rdata(31 downto 2) <= X"ABCDEF5" & "00";
Rdata(1 downto 0) <= Rec.CNA_Cfg;
martin
Update lpp_cna and co
 r17 when "000001" =>
Rdata(31 downto 16) <= X"FD18";
Rdata(15 downto 0) <= Rec.CNA_Data;
when others =>
Rdata <= (others => '0');
end case;
end if;
end if;
apbo.pconfig <= pconfig;
end process;
apbo.prdata <= Rdata when apbi.penable = '1';
Alexis
Fixed some files
 r37 end ar_APB_CNA;