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-- $Id: tbu_rri_serport.vhd 314 2010-07-09 17:38:41Z mueller $
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--
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-- Copyright 2007-2010 by Walter F.J. Mueller <W.F.J.Mueller@gsi.de>
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--
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-- This program is free software; you may redistribute and/or modify it under
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-- the terms of the GNU General Public License as published by the Free
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-- Software Foundation, either version 2, or at your option any later version.
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--
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-- This program is distributed in the hope that it will be useful, but
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-- WITHOUT ANY WARRANTY, without even the implied warranty of MERCHANTABILITY
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-- or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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-- for complete details.
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--
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------------------------------------------------------------------------------
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-- Module Name: tbu_rri_serport - syn
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-- Description: Wrapper for rri_core plus rri_serport to avoid records. It
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-- has a port interface which will not be modified by xst
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-- synthesis (no records, no generic port).
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--
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-- Dependencies: rri_core
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-- rri_serport
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--
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-- To test: rri_serport
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--
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-- Target Devices: generic
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--
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-- Synthesized (xst):
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-- Date Rev ise Target flop lutl lutm slic t peri
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-- 2010-04-03 274 11.4 L68 xc3s1000-4 278 588 18 366 s 9.83
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-- 2007-10-27 92 9.2.02 J39 xc3s1000-4 273 547 18 - t 9.65
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-- 2007-10-27 92 9.1 J30 xc3s1000-4 273 545 18 - t 9.65
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-- 2007-10-27 92 8.2.03 I34 xc3s1000-4 283 594 18 323 s 10.3
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-- 2007-10-27 92 8.1.03 I27 xc3s1000-4 285 596 18 - s 9.32
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--
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-- Tool versions: xst 8.1, 8.2, 9.1, 9.2, 11.4; ghdl 0.18-0.26
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-- Revision History:
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-- Date Rev Version Comment
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-- 2010-06-03 300 2.2.3 use default FAWIDTH for rri_core_serport
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-- 2010-05-02 287 2.2.2 ren CE_XSEC->CE_INT,RP_STAT->RB_STAT,AP_LAM->RB_LAM
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-- drop RP_IINT from interfaces; drop RTSFLUSH generic
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-- 2010-04-18 279 2.2.1 drop RTSFBUF generic for rri_serport
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-- 2010-04-03 274 2.2 add CP_FLUSH, add rri_serport handshake logic
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-- 2009-03-14 197 2.1 remove records in interface to allow _ssim usage
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-- 2008-08-24 162 2.0 with new rb_mreq/rb_sres interface
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-- 2007-11-24 98 1.1 added RP_IINT support
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-- 2007-07-02 63 1.0 Initial version
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------------------------------------------------------------------------------
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library ieee;
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use ieee.std_logic_1164.all;
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use ieee.std_logic_arith.all;
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use work.slvtypes.all;
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use work.rrilib.all;
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entity tbu_rri_serport is -- rri core+serport combo
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port (
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CLK : in slbit; -- clock
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CE_INT : in slbit; -- rri ito time unit clock enable
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CE_USEC : in slbit; -- 1 usec clock enable
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CE_MSEC : in slbit; -- 1 msec clock enable
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RESET : in slbit; -- reset
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RXSD : in slbit; -- receive serial data (board view)
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TXSD : out slbit; -- transmit serial data (board view)
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RB_MREQ_req : out slbit; -- rbus: request - req
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RB_MREQ_we : out slbit; -- rbus: request - we
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RB_MREQ_initt: out slbit; -- rbus: request - init; avoid name coll
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RB_MREQ_addr : out slv8; -- rbus: request - addr
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RB_MREQ_din : out slv16; -- rbus: request - din
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RB_SRES_ack : in slbit; -- rbus: response - ack
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RB_SRES_busy : in slbit; -- rbus: response - busy
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RB_SRES_err : in slbit; -- rbus: response - err
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RB_SRES_dout : in slv16; -- rbus: response - dout
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RB_LAM : in slv16; -- rbus: look at me
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RB_STAT : in slv3 -- rbus: status flags
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);
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end entity tbu_rri_serport;
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architecture syn of tbu_rri_serport is
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signal RB_MREQ : rb_mreq_type := rb_mreq_init;
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signal RB_SRES : rb_sres_type := rb_sres_init;
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signal CTS_N : slbit := '0';
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signal RTS_N : slbit := '0';
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signal CP_DI : slv9 := (others=>'0');
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signal CP_ENA : slbit := '0';
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signal CP_BUSY : slbit := '0';
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signal CP_DO : slv9 := (others=>'0');
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signal CP_VAL : slbit := '0';
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signal CP_HOLD : slbit := '0';
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signal CP_FLUSH : slbit := '0';
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begin
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RB_MREQ_req <= RB_MREQ.req;
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RB_MREQ_we <= RB_MREQ.we;
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RB_MREQ_initt<= RB_MREQ.init;
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RB_MREQ_addr <= RB_MREQ.addr;
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RB_MREQ_din <= RB_MREQ.din;
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RB_SRES.ack <= RB_SRES_ack;
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RB_SRES.busy <= RB_SRES_busy;
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RB_SRES.err <= RB_SRES_err;
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RB_SRES.dout <= RB_SRES_dout;
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CORE : rri_core
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port map (
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CLK => CLK,
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CE_INT => CE_INT,
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RESET => RESET,
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CP_DI => CP_DI,
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CP_ENA => CP_ENA,
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CP_BUSY => CP_BUSY,
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CP_DO => CP_DO,
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CP_VAL => CP_VAL,
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CP_HOLD => CP_HOLD,
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CP_FLUSH => CP_FLUSH,
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RB_MREQ => RB_MREQ,
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RB_SRES => RB_SRES,
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RB_LAM => RB_LAM,
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RB_STAT => RB_STAT
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);
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SERPORT : rri_serport
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generic map (
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CPREF => "1000",
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CDWIDTH => 13,
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CDINIT => 1) -- NOTE: change also CLKDIV in tbd_rri_serport !!
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port map (
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CLK => CLK,
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CE_USEC => CE_USEC,
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CE_MSEC => CE_MSEC,
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RESET => RESET,
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RXSD => RXSD,
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TXSD => TXSD,
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CTS_N => CTS_N,
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RTS_N => RTS_N,
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CP_DI => CP_DI,
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CP_ENA => CP_ENA,
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CP_BUSY => CP_BUSY,
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CP_DO => CP_DO,
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CP_VAL => CP_VAL,
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CP_HOLD => CP_HOLD,
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CP_FLUSH => CP_FLUSH
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);
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end syn;
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