lpp_lfr_apbreg.vhd
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| text/x-vhdl
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r399 | ------------------------------------------------------------------------------ | ||
-- 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 | ||||
-- jean-christophe.pellion@easii-ic.com | ||||
---------------------------------------------------------------------------- | ||||
LIBRARY ieee; | ||||
USE ieee.std_logic_1164.ALL; | ||||
USE ieee.numeric_std.ALL; | ||||
LIBRARY grlib; | ||||
USE grlib.amba.ALL; | ||||
USE grlib.stdlib.ALL; | ||||
USE grlib.devices.ALL; | ||||
LIBRARY lpp; | ||||
USE lpp.lpp_lfr_pkg.ALL; | ||||
--USE lpp.lpp_amba.ALL; | ||||
USE lpp.apb_devices_list.ALL; | ||||
USE lpp.lpp_memory.ALL; | ||||
LIBRARY techmap; | ||||
USE techmap.gencomp.ALL; | ||||
ENTITY lpp_lfr_apbreg_tb IS | ||||
GENERIC ( | ||||
pindex : INTEGER := 4; | ||||
paddr : INTEGER := 4; | ||||
pmask : INTEGER := 16#fff#); | ||||
PORT ( | ||||
-- AMBA AHB system signals | ||||
HCLK : IN STD_ULOGIC; | ||||
HRESETn : IN STD_ULOGIC; | ||||
-- AMBA APB Slave Interface | ||||
apbi : IN apb_slv_in_type; | ||||
apbo : OUT apb_slv_out_type; | ||||
--------------------------------------------------------------------------- | ||||
MEM_IN_SM_wData : OUT STD_LOGIC_VECTOR(16*2*5-1 DOWNTO 0); | ||||
MEM_IN_SM_wen : OUT STD_LOGIC_VECTOR(4 DOWNTO 0); | ||||
MEM_IN_SM_Full_out : IN STD_LOGIC_VECTOR(4 DOWNTO 0); | ||||
MEM_IN_SM_Empty_out : IN STD_LOGIC_VECTOR(4 DOWNTO 0); | ||||
MEM_IN_SM_locked_out : IN STD_LOGIC_VECTOR(4 DOWNTO 0); | ||||
--------------------------------------------------------------------------- | ||||
MEM_OUT_SM_ren : OUT STD_LOGIC_VECTOR(1 DOWNTO 0); | ||||
MEM_OUT_SM_Data_out : IN STD_LOGIC_VECTOR(63 DOWNTO 0); | ||||
MEM_OUT_SM_Full : IN STD_LOGIC_VECTOR(1 DOWNTO 0); | ||||
MEM_OUT_SM_Full_2 : IN STD_LOGIC; | ||||
MEM_OUT_SM_Empty : IN STD_LOGIC_VECTOR(1 DOWNTO 0) | ||||
--------------------------------------------------------------------------- | ||||
); | ||||
END lpp_lfr_apbreg_tb; | ||||
ARCHITECTURE beh OF lpp_lfr_apbreg_tb IS | ||||
CONSTANT REVISION : INTEGER := 1; | ||||
CONSTANT pconfig : apb_config_type := ( | ||||
0 => ahb_device_reg (VENDOR_LPP, 16#19#, 0, REVISION, 1), | ||||
1 => apb_iobar(paddr, pmask)); | ||||
TYPE reg_debug_fft IS RECORD | ||||
MEM_IN_SM_wData : STD_LOGIC_VECTOR(16*2*5-1 DOWNTO 0); | ||||
MEM_IN_SM_wen : STD_LOGIC_VECTOR(4 DOWNTO 0); | ||||
-- | ||||
out_ren : STD_LOGIC_VECTOR(1 DOWNTO 0); | ||||
END RECORD; | ||||
SIGNAL reg_ftt : reg_debug_fft; | ||||
SIGNAL prdata : STD_LOGIC_VECTOR(31 DOWNTO 0); | ||||
BEGIN -- beh | ||||
--------------------------------------------------------------------------- | ||||
MEM_IN_SM_wen <= reg_ftt.MEM_IN_SM_wen; | ||||
MEM_IN_SM_wData <= reg_ftt.MEM_IN_SM_wData; | ||||
--------------------------------------------------------------------------- | ||||
MEM_OUT_SM_ren <= reg_ftt.out_ren; | ||||
--------------------------------------------------------------------------- | ||||
lpp_lfr_apbreg : PROCESS (HCLK, HRESETn) | ||||
VARIABLE paddr : STD_LOGIC_VECTOR(7 DOWNTO 2); | ||||
BEGIN | ||||
IF HRESETn = '0' THEN | ||||
reg_ftt.MEM_IN_SM_wData <= (OTHERS => '0'); | ||||
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r404 | |||
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r399 | reg_ftt.MEM_IN_SM_wen <= (OTHERS => '1'); | ||
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r404 | reg_ftt.out_ren <= (OTHERS => '1'); | ||
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ELSIF HCLK'EVENT AND HCLK = '1' THEN -- rising clock edge | ||||
reg_ftt.MEM_IN_SM_wen <= (OTHERS => '1'); | ||||
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r404 | reg_ftt.out_ren <= (OTHERS => '1'); | ||
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paddr := "000000"; | ||||
paddr(7 DOWNTO 2) := apbi.paddr(7 DOWNTO 2); | ||||
prdata <= (OTHERS => '0'); | ||||
IF apbi.psel(pindex) = '1' THEN | ||||
-- APB DMA READ -- | ||||
CASE paddr(7 DOWNTO 2) IS | ||||
--0 | ||||
WHEN "000000" => prdata(31 DOWNTO 0) <= reg_ftt.MEM_IN_SM_wData(32*1-1 DOWNTO 32*0); | ||||
WHEN "000001" => prdata(31 DOWNTO 0) <= reg_ftt.MEM_IN_SM_wData(32*2-1 DOWNTO 32*1); | ||||
WHEN "000010" => prdata(31 DOWNTO 0) <= reg_ftt.MEM_IN_SM_wData(32*3-1 DOWNTO 32*2); | ||||
WHEN "000011" => prdata(31 DOWNTO 0) <= reg_ftt.MEM_IN_SM_wData(32*4-1 DOWNTO 32*3); | ||||
WHEN "000100" => prdata(31 DOWNTO 0) <= reg_ftt.MEM_IN_SM_wData(32*5-1 DOWNTO 32*4); | ||||
WHEN "000101" => prdata( 4 DOWNTO 0) <= reg_ftt.MEM_IN_SM_wen; | ||||
prdata( 9 DOWNTO 5) <= MEM_IN_SM_Full_out; | ||||
prdata(14 DOWNTO 10) <= MEM_IN_SM_Empty_out; | ||||
prdata(19 DOWNTO 15) <= MEM_IN_SM_locked_out; | ||||
WHEN "000110" => prdata(31 DOWNTO 0) <= MEM_OUT_SM_Data_out(32*1-1 DOWNTO 32*0); | ||||
WHEN "000111" => prdata(31 DOWNTO 0) <= MEM_OUT_SM_Data_out(32*2-1 DOWNTO 32*1); | ||||
WHEN "001000" => prdata(1 DOWNTO 0) <= reg_ftt.out_ren; | ||||
prdata(3 DOWNTO 2) <= MEM_OUT_SM_Full; | ||||
prdata(5 DOWNTO 4) <= MEM_OUT_SM_Empty; | ||||
prdata(6) <= MEM_OUT_SM_Full_2; | ||||
WHEN OTHERS => NULL; | ||||
END CASE; | ||||
IF (apbi.pwrite AND apbi.penable) = '1' THEN | ||||
-- APB DMA WRITE -- | ||||
CASE paddr(7 DOWNTO 2) IS | ||||
WHEN "000000" => reg_ftt.MEM_IN_SM_wData(32*1-1 DOWNTO 32*0) <= apbi.pwdata(31 DOWNTO 0); | ||||
WHEN "000001" => reg_ftt.MEM_IN_SM_wData(32*2-1 DOWNTO 32*1) <= apbi.pwdata(31 DOWNTO 0); | ||||
WHEN "000010" => reg_ftt.MEM_IN_SM_wData(32*3-1 DOWNTO 32*2) <= apbi.pwdata(31 DOWNTO 0); | ||||
WHEN "000011" => reg_ftt.MEM_IN_SM_wData(32*4-1 DOWNTO 32*3) <= apbi.pwdata(31 DOWNTO 0); | ||||
WHEN "000100" => reg_ftt.MEM_IN_SM_wData(32*5-1 DOWNTO 32*4) <= apbi.pwdata(31 DOWNTO 0); | ||||
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r404 | WHEN "000101" => reg_ftt.MEM_IN_SM_wen <= apbi.pwdata(4 DOWNTO 0); | ||
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r404 | WHEN "001000" => reg_ftt.out_ren <= apbi.pwdata(1 DOWNTO 0); | ||
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WHEN OTHERS => NULL; | ||||
END CASE; | ||||
END IF; | ||||
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--IF (apbi.psel(pindex) AND apbi.pwrite AND apbi.penable) = '1' AND paddr(7 DOWNTO 2) = "000101" THEN | ||||
-- reg_ftt.MEM_IN_SM_wen <= apbi.pwdata(4 DOWNTO 0); | ||||
--ELSE | ||||
-- reg_ftt.MEM_IN_SM_wen <= (OTHERS => '1'); | ||||
--END IF; | ||||
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r399 | END IF; | ||
END IF; | ||||
END PROCESS lpp_lfr_apbreg; | ||||
apbo.pindex <= pindex; | ||||
apbo.pconfig <= pconfig; | ||||
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r404 | apbo.prdata <= prdata ; | ||
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END beh; | ||||