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DAC driver added, MINI-LFR design updated to be compatible with new leon3-soc.
DAC driver added, MINI-LFR design updated to be compatible with new leon3-soc.
Alexis Jeandet - - Load All Authors

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r530:5eb17174cdba JC
r530:5eb17174cdba JC
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MINI_LFR_top.vhd
281 lines | 8.6 KiB | text/x-vhdl | VhdlLexer
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------------------------------------------------------------------------------
-- 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
-------------------------------------------------------------------------------
-- Author : Jean-christophe Pellion
-- Mail : jean-christophe.pellion@lpp.polytechnique.fr
-------------------------------------------------------------------------------
LIBRARY IEEE;
USE IEEE.numeric_std.ALL;
USE IEEE.std_logic_1164.ALL;
LIBRARY grlib;
USE grlib.amba.ALL;
USE grlib.stdlib.ALL;
LIBRARY techmap;
USE techmap.gencomp.ALL;
LIBRARY gaisler;
USE gaisler.memctrl.ALL;
USE gaisler.leon3.ALL;
USE gaisler.uart.ALL;
USE gaisler.misc.ALL;
USE gaisler.spacewire.ALL; -- PLE
LIBRARY esa;
USE esa.memoryctrl.ALL;
LIBRARY lpp;
USE lpp.lpp_memory.ALL;
USE lpp.lpp_ad_conv.ALL;
USE lpp.lpp_lfr_pkg.ALL;
USE lpp.iir_filter.ALL;
USE lpp.general_purpose.ALL;
USE lpp.lpp_lfr_time_management.ALL;
USE lpp.lpp_leon3_soc_pkg.ALL;
ENTITY MINI_LFR_top IS
PORT (
clk_50 : IN STD_LOGIC;
clk_49 : IN STD_LOGIC;
reset : IN STD_LOGIC;
--BPs
BP0 : IN STD_LOGIC;
BP1 : IN STD_LOGIC;
--LEDs
LED0 : OUT STD_LOGIC;
LED1 : OUT STD_LOGIC;
LED2 : OUT STD_LOGIC;
--UARTs
TXD1 : IN STD_LOGIC;
RXD1 : OUT STD_LOGIC;
nCTS1 : OUT STD_LOGIC;
nRTS1 : IN STD_LOGIC;
TXD2 : IN STD_LOGIC;
RXD2 : OUT STD_LOGIC;
nCTS2 : OUT STD_LOGIC;
nDTR2 : IN STD_LOGIC;
nRTS2 : IN STD_LOGIC;
nDCD2 : OUT STD_LOGIC;
--EXT CONNECTOR
IO0 : INOUT STD_LOGIC;
IO1 : INOUT STD_LOGIC;
IO2 : INOUT STD_LOGIC;
IO3 : INOUT STD_LOGIC;
IO4 : INOUT STD_LOGIC;
IO5 : INOUT STD_LOGIC;
IO6 : INOUT STD_LOGIC;
IO7 : INOUT STD_LOGIC;
IO8 : INOUT STD_LOGIC;
IO9 : INOUT STD_LOGIC;
IO10 : INOUT STD_LOGIC;
IO11 : INOUT STD_LOGIC;
--SPACE WIRE
SPW_EN : OUT STD_LOGIC; -- 0 => off
SPW_NOM_DIN : IN STD_LOGIC; -- NOMINAL LINK
SPW_NOM_SIN : IN STD_LOGIC;
SPW_NOM_DOUT : OUT STD_LOGIC;
SPW_NOM_SOUT : OUT STD_LOGIC;
SPW_RED_DIN : IN STD_LOGIC; -- REDUNDANT LINK
SPW_RED_SIN : IN STD_LOGIC;
SPW_RED_DOUT : OUT STD_LOGIC;
SPW_RED_SOUT : OUT STD_LOGIC;
-- MINI LFR ADC INPUTS
ADC_nCS : OUT STD_LOGIC;
ADC_CLK : OUT STD_LOGIC;
ADC_SDO : IN STD_LOGIC_VECTOR(7 DOWNTO 0);
-- SRAM
SRAM_nWE : OUT STD_LOGIC;
SRAM_CE : OUT STD_LOGIC;
SRAM_nOE : OUT STD_LOGIC;
SRAM_nBE : OUT STD_LOGIC_VECTOR(3 DOWNTO 0);
SRAM_A : OUT STD_LOGIC_VECTOR(19 DOWNTO 0);
SRAM_DQ : INOUT STD_LOGIC_VECTOR(31 DOWNTO 0)
);
END MINI_LFR_top;
ARCHITECTURE beh OF MINI_LFR_top IS
SIGNAL clk_50_s : STD_LOGIC := '0';
SIGNAL clk_25 : STD_LOGIC := '0';
-----------------------------------------------------------------------------
SIGNAL coarse_time : STD_LOGIC_VECTOR(31 DOWNTO 0);
SIGNAL fine_time : STD_LOGIC_VECTOR(15 DOWNTO 0);
--
SIGNAL errorn : STD_LOGIC;
-- UART AHB ---------------------------------------------------------------
SIGNAL ahbrxd : STD_ULOGIC; -- DSU rx data
SIGNAL ahbtxd : STD_ULOGIC; -- DSU tx data
-- UART APB ---------------------------------------------------------------
SIGNAL urxd1 : STD_ULOGIC; -- UART1 rx data
SIGNAL utxd1 : STD_ULOGIC; -- UART1 tx data
--
SIGNAL I00_s : STD_LOGIC;
--
CONSTANT NB_APB_SLAVE : INTEGER := 1;
CONSTANT NB_AHB_SLAVE : INTEGER := 1;
CONSTANT NB_AHB_MASTER : INTEGER := 1;
SIGNAL apbi_ext : apb_slv_in_type;
SIGNAL apbo_ext : soc_apb_slv_out_vector(NB_APB_SLAVE-1+5 DOWNTO 5):= (OTHERS => apb_none);
SIGNAL ahbi_s_ext : ahb_slv_in_type;
SIGNAL ahbo_s_ext : soc_ahb_slv_out_vector(NB_AHB_SLAVE-1+3 DOWNTO 3):= (OTHERS => ahbs_none);
SIGNAL ahbi_m_ext : AHB_Mst_In_Type;
SIGNAL ahbo_m_ext : soc_ahb_mst_out_vector(NB_AHB_MASTER-1+1 DOWNTO 1):= (OTHERS => ahbm_none);
SIGNAL SRAM_CE_V : STD_LOGIC_VECTOR(1 downto 0);
BEGIN -- beh
-----------------------------------------------------------------------------
-- CLK
-----------------------------------------------------------------------------
PROCESS(clk_50)
BEGIN
IF clk_50'EVENT AND clk_50 = '1' THEN
clk_50_s <= NOT clk_50_s;
END IF;
END PROCESS;
PROCESS(clk_50_s)
BEGIN
IF clk_50_s'EVENT AND clk_50_s = '1' THEN
clk_25 <= NOT clk_25;
END IF;
END PROCESS;
-----------------------------------------------------------------------------
PROCESS (clk_25, reset)
BEGIN -- PROCESS
IF reset = '0' THEN -- asynchronous reset (active low)
LED0 <= '0';
LED1 <= '0';
LED2 <= '0';
IO1 <= '0';
IO2 <= '1';
IO3 <= '0';
IO4 <= '0';
IO5 <= '0';
IO6 <= '0';
IO7 <= '0';
IO8 <= '0';
IO9 <= '0';
IO10 <= '0';
IO11 <= '0';
ELSIF clk_25'event AND clk_25 = '1' THEN -- rising clock edge
LED0 <= '0';
LED1 <= '1';
LED2 <= BP0;
IO1 <= '1';
IO2 <= SPW_NOM_DIN OR SPW_NOM_SIN OR SPW_RED_DIN OR SPW_RED_SIN;
IO3 <= ADC_SDO(0);
IO4 <= ADC_SDO(1);
IO5 <= ADC_SDO(2);
IO6 <= ADC_SDO(3);
IO7 <= ADC_SDO(4);
IO8 <= ADC_SDO(5);
IO9 <= ADC_SDO(6);
IO10 <= ADC_SDO(7);
IO11 <= BP1 OR nDTR2 OR nRTS2 OR nRTS1;
END IF;
END PROCESS;
PROCESS (clk_49, reset)
BEGIN -- PROCESS
IF reset = '0' THEN -- asynchronous reset (active low)
I00_s <= '0';
ELSIF clk_49'event AND clk_49 = '1' THEN -- rising clock edge
I00_s <= NOT I00_s;
END IF;
END PROCESS;
IO0 <= I00_s;
--UARTs
nCTS1 <= '1';
nCTS2 <= '1';
nDCD2 <= '1';
--EXT CONNECTOR
--SPACE WIRE
SPW_EN <= '0'; -- 0 => off
SPW_NOM_DOUT <= '0';
SPW_NOM_SOUT <= '0';
SPW_RED_DOUT <= '0';
SPW_RED_SOUT <= '0';
ADC_nCS <= '0';
ADC_CLK <= '0';
leon3_soc_1: leon3_soc
GENERIC MAP (
fabtech => apa3e,
memtech => apa3e,
padtech => inferred,
clktech => inferred,
disas => 0,
dbguart => 0,
pclow => 2,
clk_freq => 25000,
NB_CPU => 1,
ENABLE_FPU => 0,
FPU_NETLIST => 0,
ENABLE_DSU => 1,
ENABLE_AHB_UART => 1,
ENABLE_APB_UART => 1,
ENABLE_IRQMP => 1,
ENABLE_GPT => 1,
NB_AHB_MASTER => NB_AHB_MASTER,
NB_AHB_SLAVE => NB_AHB_SLAVE,
NB_APB_SLAVE => NB_APB_SLAVE)
PORT MAP (
clk => clk_25,
reset => reset,
errorn => errorn,
ahbrxd => TXD1,
ahbtxd => RXD1,
urxd1 => TXD2,
utxd1 => RXD2,
address => SRAM_A,
data => SRAM_DQ,
nSRAM_BE0 => SRAM_nBE(0),
nSRAM_BE1 => SRAM_nBE(1),
nSRAM_BE2 => SRAM_nBE(2),
nSRAM_BE3 => SRAM_nBE(3),
nSRAM_WE => SRAM_nWE,
nSRAM_CE => SRAM_CE_V,
nSRAM_OE => SRAM_nOE,
nSRAM_READY=> open,
apbi_ext => apbi_ext,
apbo_ext => apbo_ext,
ahbi_s_ext => ahbi_s_ext,
ahbo_s_ext => ahbo_s_ext,
ahbi_m_ext => ahbi_m_ext,
ahbo_m_ext => ahbo_m_ext);
SRAM_CE <= SRAM_CE_V(0);
END beh;