112855Sgabeblack@google.com/***************************************************************************** 212855Sgabeblack@google.com 312855Sgabeblack@google.com Licensed to Accellera Systems Initiative Inc. (Accellera) under one or 412855Sgabeblack@google.com more contributor license agreements. See the NOTICE file distributed 512855Sgabeblack@google.com with this work for additional information regarding copyright ownership. 612855Sgabeblack@google.com Accellera licenses this file to you under the Apache License, Version 2.0 712855Sgabeblack@google.com (the "License"); you may not use this file except in compliance with the 812855Sgabeblack@google.com License. You may obtain a copy of the License at 912855Sgabeblack@google.com 1012855Sgabeblack@google.com http://www.apache.org/licenses/LICENSE-2.0 1112855Sgabeblack@google.com 1212855Sgabeblack@google.com Unless required by applicable law or agreed to in writing, software 1312855Sgabeblack@google.com distributed under the License is distributed on an "AS IS" BASIS, 1412855Sgabeblack@google.com WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or 1512855Sgabeblack@google.com implied. See the License for the specific language governing 1612855Sgabeblack@google.com permissions and limitations under the License. 1712855Sgabeblack@google.com 1812855Sgabeblack@google.com *****************************************************************************/ 1912855Sgabeblack@google.com 2012855Sgabeblack@google.com/***************************************************************************** 2112855Sgabeblack@google.com 2212855Sgabeblack@google.com io_controller1.h -- 2312855Sgabeblack@google.com 2412855Sgabeblack@google.com Original Author: Martin Janssen, Synopsys, Inc., 2002-02-15 2512855Sgabeblack@google.com 2612855Sgabeblack@google.com *****************************************************************************/ 2712855Sgabeblack@google.com 2812855Sgabeblack@google.com/***************************************************************************** 2912855Sgabeblack@google.com 3012855Sgabeblack@google.com MODIFICATION LOG - modifiers, enter your name, affiliation, date and 3112855Sgabeblack@google.com changes you are making here. 3212855Sgabeblack@google.com 3312855Sgabeblack@google.com Name, Affiliation, Date: 3412855Sgabeblack@google.com Description of Modification: 3512855Sgabeblack@google.com 3612855Sgabeblack@google.com *****************************************************************************/ 3712855Sgabeblack@google.com 3812855Sgabeblack@google.com/* 3912855Sgabeblack@google.com############################################################################ 4012855Sgabeblack@google.com# Siemens AG copyright 2000 4112855Sgabeblack@google.com# All Rights Reserved 4212855Sgabeblack@google.com# 4312855Sgabeblack@google.com# File name : io_controller.h 4412855Sgabeblack@google.com# 4512855Sgabeblack@google.com# Title : I/O-Controller 4612855Sgabeblack@google.com# 4712855Sgabeblack@google.com# Purpose : definitions for I/O-Controller-module 4812855Sgabeblack@google.com# 4912855Sgabeblack@google.com# Author : Hannes Muhr 5012855Sgabeblack@google.com# PSE EZE MSA 5112855Sgabeblack@google.com# 5212855Sgabeblack@google.com############################################################################## 5312855Sgabeblack@google.com# Modification History : 5412855Sgabeblack@google.com# 5512855Sgabeblack@google.com# 5612855Sgabeblack@google.com##############################################################################*/ 5712855Sgabeblack@google.com 5812855Sgabeblack@google.com#ifndef IO_CONTROLLER_INC 5912855Sgabeblack@google.com#define IO_CONTROLLER_INC 6012855Sgabeblack@google.com 6112855Sgabeblack@google.com#ifdef LOGGING 6212855Sgabeblack@google.com#include <fstream> 6312855Sgabeblack@google.com#endif 6412855Sgabeblack@google.com#include "systemc.h" 6512855Sgabeblack@google.com 6612855Sgabeblack@google.com 6712855Sgabeblack@google.com#ifdef LOGGING 6812855Sgabeblack@google.com/* stream for logging */ 6912855Sgabeblack@google.comextern ofstream flog; 7012855Sgabeblack@google.com#endif 7112855Sgabeblack@google.com 7212855Sgabeblack@google.com#define SCAN_INTERVAL 200000 // 200 us 7312855Sgabeblack@google.com#define NS *1e-9 7412855Sgabeblack@google.com 7512855Sgabeblack@google.com#define MII_FRAME_SIZE 400 7612855Sgabeblack@google.com 7712855Sgabeblack@google.comSC_MODULE(io_controller_m){ 7812855Sgabeblack@google.com 7912855Sgabeblack@google.com /* ports */ 8012855Sgabeblack@google.com sc_in_clk clk_i486_if; 8112855Sgabeblack@google.com 8212855Sgabeblack@google.com sc_out<sc_uint<30> > addr30_o1; 8312855Sgabeblack@google.com sc_out<sc_uint<30> > addr30_o2; 8412855Sgabeblack@google.com sc_inout<sc_uint<32> > data32_i; 8512855Sgabeblack@google.com sc_out<sc_uint<32> > data32_o1; 8612855Sgabeblack@google.com sc_out<sc_uint<32> > data32_o2; 8712855Sgabeblack@google.com sc_out<bool> ads_n_o1; 8812855Sgabeblack@google.com sc_out<bool> ads_n_o2; 8912855Sgabeblack@google.com sc_out<bool> wr_n_o1; 9012855Sgabeblack@google.com sc_out<bool> wr_n_o2; 9112855Sgabeblack@google.com sc_in<bool> rdy_n_i; 9212855Sgabeblack@google.com sc_in<bool> ar_i; 9312855Sgabeblack@google.com sc_in<bool> res_n_i; 9412855Sgabeblack@google.com 9512855Sgabeblack@google.com sc_out<sc_uint<4> > mii_data4_o; 9612855Sgabeblack@google.com sc_out<bool> mii_en_o; 9712855Sgabeblack@google.com sc_in<sc_uint<4> > mii_data4_i; 9812855Sgabeblack@google.com sc_in<bool> mii_en_i; 9912855Sgabeblack@google.com sc_in<bool> mii_coll_det; 10012855Sgabeblack@google.com sc_in_clk clk_mii; 10112855Sgabeblack@google.com 10212855Sgabeblack@google.com /* signals */ 10312855Sgabeblack@google.com sc_signal<bool> start_mux; 10412855Sgabeblack@google.com sc_signal<bool> ready_mux; 10512855Sgabeblack@google.com sc_signal<bool> start_read; 10612855Sgabeblack@google.com sc_signal<bool> out_fifo_reset; 10712855Sgabeblack@google.com 10812855Sgabeblack@google.com /* variables */ 10912855Sgabeblack@google.com sc_uint<32> addr_tx_frame_ptr; 11012855Sgabeblack@google.com sc_uint<32> rx_ptr_array; 11112855Sgabeblack@google.com sc_signal<bool> sem1; // mutual exclusion for i486-if 11212855Sgabeblack@google.com sc_signal<bool> sem2; // mutual exclusion for i486-if 11312855Sgabeblack@google.com sc_uint<32> shared_mem1[MII_FRAME_SIZE]; // for write 11412855Sgabeblack@google.com sc_uint<32> shared_mem2[MII_FRAME_SIZE]; // for read 11512855Sgabeblack@google.com 11612855Sgabeblack@google.com SC_CTOR(io_controller_m){ 11712855Sgabeblack@google.com 11812855Sgabeblack@google.com SC_CTHREAD(control_write, clk_i486_if.pos()); 11912855Sgabeblack@google.com //reset_signal_is(mii_coll_det, true); 12012855Sgabeblack@google.com reset_signal_is(res_n_i, false); 12112855Sgabeblack@google.com 12212855Sgabeblack@google.com SC_CTHREAD(control_read, clk_i486_if.pos()); 12312855Sgabeblack@google.com 12412855Sgabeblack@google.com SC_CTHREAD(mux, clk_mii.pos()); 12512855Sgabeblack@google.com SC_CTHREAD(shift, clk_mii.pos()); 12612855Sgabeblack@google.com 12712855Sgabeblack@google.com 12812855Sgabeblack@google.com /* Initialize */ 12912855Sgabeblack@google.com start_mux = 0; 13012855Sgabeblack@google.com ready_mux = 0; 13112855Sgabeblack@google.com start_read = 0; 13212855Sgabeblack@google.com out_fifo_reset = 0; 13312855Sgabeblack@google.com 13412855Sgabeblack@google.com sem1 = false; 13512855Sgabeblack@google.com sem2 = false; 13612855Sgabeblack@google.com // init shared memory 13712855Sgabeblack@google.com for (int i=0; i < MII_FRAME_SIZE; i++) 13812855Sgabeblack@google.com shared_mem1[i] = shared_mem2[i] = 0; 13912855Sgabeblack@google.com } 14012855Sgabeblack@google.com void control_write(); 14112855Sgabeblack@google.com void control_read(); 14212855Sgabeblack@google.com void mux(); 14312855Sgabeblack@google.com void shift(); 14412855Sgabeblack@google.com sc_uint<32> read_from_memory0(sc_uint<32>); 14512855Sgabeblack@google.com sc_uint<32> read_from_memory1(sc_uint<32>); 14612855Sgabeblack@google.com void write_into_memory0(sc_uint<32>, sc_uint<32>); 14712855Sgabeblack@google.com void write_into_memory1(sc_uint<32>, sc_uint<32>); 14812855Sgabeblack@google.com 14912855Sgabeblack@google.com}; 15012855Sgabeblack@google.com 15112855Sgabeblack@google.com#endif 152