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[/] [pci/] [tags/] [rel_12/] [rtl/] [verilog/] [top.v] - Rev 106
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////////////////////////////////////////////////////////////////////// //// //// //// File name "top.v" //// //// //// //// This file is part of the "PCI bridge" project //// //// http://www.opencores.org/cores/pci/ //// //// //// //// Author(s): //// //// - Miha Dolenc (mihad@opencores.org) //// //// //// //// All additional information is avaliable in the README //// //// file. //// //// //// //// //// ////////////////////////////////////////////////////////////////////// //// //// //// Copyright (C) 2001 Miha Dolenc, mihad@opencores.org //// //// //// //// This source file may be used and distributed without //// //// restriction provided that this copyright statement is not //// //// removed from the file and that any derivative work contains //// //// the original copyright notice and the associated disclaimer. //// //// //// //// This source file is free software; you can redistribute it //// //// and/or modify it under the terms of the GNU Lesser General //// //// Public License as published by the Free Software Foundation; //// //// either version 2.1 of the License, or (at your option) any //// //// later version. //// //// //// //// This source 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 Lesser General Public License for more //// //// details. //// //// //// //// You should have received a copy of the GNU Lesser General //// //// Public License along with this source; if not, download it //// //// from http://www.opencores.org/lgpl.shtml //// //// //// ////////////////////////////////////////////////////////////////////// // // CVS Revision History // // $Log: not supported by cvs2svn $ // Revision 1.9 2003/01/27 16:49:31 mihad // Changed module and file names. Updated scripts accordingly. FIFO synchronizations changed. // // Revision 1.8 2002/10/18 03:36:37 tadejm // Changed wrong signal name scanb_sen into scanb_en. // // Revision 1.7 2002/10/17 22:49:22 tadejm // Changed BIST signals for RAMs. // // Revision 1.6 2002/10/11 10:09:01 mihad // Added additional testcase and changed rst name in BIST to trst // // Revision 1.5 2002/10/08 17:17:06 mihad // Added BIST signals for RAMs. // // Revision 1.4 2002/03/21 07:36:04 mihad // Files updated with missing includes, resolved some race conditions in test bench // // Revision 1.3 2002/02/01 15:25:13 mihad // Repaired a few bugs, updated specification, added test bench files and design document // // Revision 1.2 2001/10/05 08:14:30 mihad // Updated all files with inclusion of timescale file for simulation purposes. // // Revision 1.1.1.1 2001/10/02 15:33:47 mihad // New project directory structure // // // This top module is primarly used for testing plain PCI bridge core without any other cores attached. // Other cores can be included in this top module and appropriate changes incorporated for overall design // synopsys translate_off `include "timescale.v" // synopsys translate_on `include "pci_constants.v" module TOP ( CLK, AD, CBE, RST, INTA, REQ, GNT, FRAME, IRDY, IDSEL, DEVSEL, TRDY, STOP, PAR, PERR, SERR, CLK_I, RST_I, RST_O, INT_I, INT_O, // WISHBONE slave interface ADR_I, SDAT_I, SDAT_O, SEL_I, CYC_I, STB_I, WE_I, CAB_I, CTI_I, BTE_I, ACK_O, RTY_O, ERR_O, // WISHBONE master interface ADR_O, MDAT_I, MDAT_O, SEL_O, CYC_O, STB_O, WE_O, CAB_O, ACK_I, RTY_I, ERR_I `ifdef PCI_BIST , // debug chain signals scanb_rst, // bist scan reset scanb_clk, // bist scan clock scanb_si, // bist scan serial in scanb_so, // bist scan serial out scanb_en // bist scan shift enable `endif ); input CLK ; inout [31:0] AD ; inout [3:0] CBE ; inout RST ; inout INTA ; output REQ ; input GNT ; inout FRAME ; inout IRDY ; input IDSEL ; inout DEVSEL ; inout TRDY ; inout STOP ; inout PAR ; inout PERR ; output SERR ; // WISHBONE system signals input CLK_I ; input RST_I ; output RST_O ; input INT_I ; output INT_O ; // WISHBONE slave interface input [31:0] ADR_I ; input [31:0] SDAT_I ; output [31:0] SDAT_O ; input [3:0] SEL_I ; input CYC_I ; input STB_I ; input WE_I ; input CAB_I ; input [ 2:0] CTI_I ; input [ 1:0] BTE_I ; output ACK_O ; output RTY_O ; output ERR_O ; // WISHBONE master interface output [31:0] ADR_O ; input [31:0] MDAT_I ; output [31:0] MDAT_O ; output [3:0] SEL_O ; output CYC_O ; output STB_O ; output WE_O ; output CAB_O ; input ACK_I ; input RTY_I ; input ERR_I ; `ifdef PCI_BIST /*----------------------------------------------------- BIST debug chain port signals -----------------------------------------------------*/ input scanb_rst; // bist scan reset input scanb_clk; // bist scan clock input scanb_si; // bist scan serial in output scanb_so; // bist scan serial out input scanb_en; // bist scan shift enable `endif wire [31:0] AD_out ; wire [31:0] AD_en ; wire [31:0] AD_in = AD ; wire [3:0] CBE_in = CBE ; wire [3:0] CBE_out ; wire [3:0] CBE_en ; wire RST_in = RST ; wire RST_out ; wire RST_en ; wire INTA_in = INTA ; wire INTA_en ; wire INTA_out ; wire REQ_en ; wire REQ_out ; wire FRAME_in = FRAME ; wire FRAME_out ; wire FRAME_en ; wire IRDY_in = IRDY ; wire IRDY_out ; wire IRDY_en ; wire DEVSEL_in = DEVSEL ; wire DEVSEL_out ; wire DEVSEL_en ; wire TRDY_in = TRDY ; wire TRDY_out ; wire TRDY_en ; wire STOP_in = STOP ; wire STOP_out ; wire STOP_en ; wire PAR_in = PAR ; wire PAR_out ; wire PAR_en ; wire PERR_in = PERR ; wire PERR_out ; wire PERR_en ; wire SERR_out ; wire SERR_en ; pci_bridge32 bridge ( // WISHBONE system signals .wb_clk_i(CLK_I), .wb_rst_i(RST_I), .wb_rst_o(RST_O), .wb_int_i(INT_I), .wb_int_o(INT_O), // WISHBONE slave interface .wbs_adr_i(ADR_I), .wbs_dat_i(SDAT_I), .wbs_dat_o(SDAT_O), .wbs_sel_i(SEL_I), .wbs_cyc_i(CYC_I), .wbs_stb_i(STB_I), .wbs_we_i (WE_I), `ifdef PCI_WB_REV_B3 .wbs_cti_i(CTI_I), .wbs_bte_i(BTE_I), `else .wbs_cab_i(CAB_I), `endif .wbs_ack_o(ACK_O), .wbs_rty_o(RTY_O), .wbs_err_o(ERR_O), // WISHBONE master interface .wbm_adr_o(ADR_O), .wbm_dat_i(MDAT_I), .wbm_dat_o(MDAT_O), .wbm_sel_o(SEL_O), .wbm_cyc_o(CYC_O), .wbm_stb_o(STB_O), .wbm_we_o (WE_O), .wbm_cab_o(CAB_O), .wbm_ack_i(ACK_I), .wbm_rty_i(RTY_I), .wbm_err_i(ERR_I), // pci interface - system pins .pci_clk_i (CLK), .pci_rst_i ( RST_in ), .pci_rst_o ( RST_out ), .pci_inta_i ( INTA_in ), .pci_inta_o ( INTA_out), .pci_rst_oe_o ( RST_en), .pci_inta_oe_o(INTA_en), // arbitration pins .pci_req_o ( REQ_out ), .pci_req_oe_o( REQ_en ), .pci_gnt_i ( GNT ), // protocol pins .pci_frame_i ( FRAME_in), .pci_frame_o ( FRAME_out ), .pci_frame_oe_o( FRAME_en ), .pci_irdy_oe_o ( IRDY_en ), .pci_devsel_oe_o( DEVSEL_en ), .pci_trdy_oe_o ( TRDY_en ), .pci_stop_oe_o ( STOP_en ), .pci_ad_oe_o (AD_en), .pci_cbe_oe_o ( CBE_en) , .pci_irdy_i ( IRDY_in ), .pci_irdy_o ( IRDY_out ), .pci_idsel_i ( IDSEL ), .pci_devsel_i ( DEVSEL_in ), .pci_devsel_o ( DEVSEL_out ), .pci_trdy_i ( TRDY_in ), .pci_trdy_o ( TRDY_out ), .pci_stop_i ( STOP_in ), .pci_stop_o ( STOP_out ), // data transfer pins .pci_ad_i(AD_in), .pci_ad_o(AD_out), .pci_cbe_i( CBE_in ), .pci_cbe_o( CBE_out ), // parity generation and checking pins .pci_par_i ( PAR_in ), .pci_par_o ( PAR_out ), .pci_par_oe_o ( PAR_en ), .pci_perr_i ( PERR_in ), .pci_perr_o ( PERR_out ), .pci_perr_oe_o( PERR_en ), // system error pin .pci_serr_o ( SERR_out ), .pci_serr_oe_o( SERR_en ) `ifdef PCI_BIST , .scanb_rst (scanb_rst), .scanb_clk (scanb_clk), .scanb_si (scanb_si), .scanb_so (scanb_so), .scanb_en (scanb_en) `endif ); // PCI IO buffers instantiation `ifdef ACTIVE_LOW_OE bufif0 AD_buf0 ( AD[0], AD_out[0], AD_en[0]) ; bufif0 AD_buf1 ( AD[1], AD_out[1], AD_en[1]) ; bufif0 AD_buf2 ( AD[2], AD_out[2], AD_en[2]) ; bufif0 AD_buf3 ( AD[3], AD_out[3], AD_en[3]) ; bufif0 AD_buf4 ( AD[4], AD_out[4], AD_en[4]) ; bufif0 AD_buf5 ( AD[5], AD_out[5], AD_en[5]) ; bufif0 AD_buf6 ( AD[6], AD_out[6], AD_en[6]) ; bufif0 AD_buf7 ( AD[7], AD_out[7], AD_en[7]) ; bufif0 AD_buf8 ( AD[8], AD_out[8], AD_en[8]) ; bufif0 AD_buf9 ( AD[9], AD_out[9], AD_en[9]) ; bufif0 AD_buf10 ( AD[10], AD_out[10],AD_en[10] ) ; bufif0 AD_buf11 ( AD[11], AD_out[11],AD_en[11] ) ; bufif0 AD_buf12 ( AD[12], AD_out[12],AD_en[12] ) ; bufif0 AD_buf13 ( AD[13], AD_out[13],AD_en[13] ) ; bufif0 AD_buf14 ( AD[14], AD_out[14],AD_en[14] ) ; bufif0 AD_buf15 ( AD[15], AD_out[15],AD_en[15] ) ; bufif0 AD_buf16 ( AD[16], AD_out[16],AD_en[16] ) ; bufif0 AD_buf17 ( AD[17], AD_out[17],AD_en[17] ) ; bufif0 AD_buf18 ( AD[18], AD_out[18],AD_en[18] ) ; bufif0 AD_buf19 ( AD[19], AD_out[19],AD_en[19] ) ; bufif0 AD_buf20 ( AD[20], AD_out[20],AD_en[20] ) ; bufif0 AD_buf21 ( AD[21], AD_out[21],AD_en[21] ) ; bufif0 AD_buf22 ( AD[22], AD_out[22],AD_en[22] ) ; bufif0 AD_buf23 ( AD[23], AD_out[23],AD_en[23] ) ; bufif0 AD_buf24 ( AD[24], AD_out[24],AD_en[24] ) ; bufif0 AD_buf25 ( AD[25], AD_out[25],AD_en[25] ) ; bufif0 AD_buf26 ( AD[26], AD_out[26],AD_en[26] ) ; bufif0 AD_buf27 ( AD[27], AD_out[27],AD_en[27] ) ; bufif0 AD_buf28 ( AD[28], AD_out[28],AD_en[28] ) ; bufif0 AD_buf29 ( AD[29], AD_out[29],AD_en[29] ) ; bufif0 AD_buf30 ( AD[30], AD_out[30],AD_en[30] ) ; bufif0 AD_buf31 ( AD[31], AD_out[31],AD_en[31] ) ; bufif0 CBE_buf0 ( CBE[0], CBE_out[0], CBE_en[0] ) ; bufif0 CBE_buf1 ( CBE[1], CBE_out[1], CBE_en[1] ) ; bufif0 CBE_buf2 ( CBE[2], CBE_out[2], CBE_en[2] ) ; bufif0 CBE_buf3 ( CBE[3], CBE_out[3], CBE_en[3] ) ; bufif0 FRAME_buf ( FRAME, FRAME_out, FRAME_en ) ; bufif0 IRDY_buf ( IRDY, IRDY_out, IRDY_en ) ; bufif0 DEVSEL_buf ( DEVSEL, DEVSEL_out, DEVSEL_en ) ; bufif0 TRDY_buf ( TRDY, TRDY_out, TRDY_en ) ; bufif0 STOP_buf ( STOP, STOP_out, STOP_en ) ; bufif0 RST_buf ( RST, RST_out, RST_en ) ; bufif0 INTA_buf ( INTA, INTA_out, INTA_en) ; bufif0 REQ_buf ( REQ, REQ_out, REQ_en ) ; bufif0 PAR_buf ( PAR, PAR_out, PAR_en ) ; bufif0 PERR_buf ( PERR, PERR_out, PERR_en ) ; bufif0 SERR_buf ( SERR, SERR_out, SERR_en ) ; `else `ifdef ACTIVE_HIGH_OE bufif1 AD_buf0 ( AD[0], AD_out[0], AD_en[0]) ; bufif1 AD_buf1 ( AD[1], AD_out[1], AD_en[1]) ; bufif1 AD_buf2 ( AD[2], AD_out[2], AD_en[2]) ; bufif1 AD_buf3 ( AD[3], AD_out[3], AD_en[3]) ; bufif1 AD_buf4 ( AD[4], AD_out[4], AD_en[4]) ; bufif1 AD_buf5 ( AD[5], AD_out[5], AD_en[5]) ; bufif1 AD_buf6 ( AD[6], AD_out[6], AD_en[6]) ; bufif1 AD_buf7 ( AD[7], AD_out[7], AD_en[7]) ; bufif1 AD_buf8 ( AD[8], AD_out[8], AD_en[8]) ; bufif1 AD_buf9 ( AD[9], AD_out[9], AD_en[9]) ; bufif1 AD_buf10 ( AD[10], AD_out[10],AD_en[10] ) ; bufif1 AD_buf11 ( AD[11], AD_out[11],AD_en[11] ) ; bufif1 AD_buf12 ( AD[12], AD_out[12],AD_en[12] ) ; bufif1 AD_buf13 ( AD[13], AD_out[13],AD_en[13] ) ; bufif1 AD_buf14 ( AD[14], AD_out[14],AD_en[14] ) ; bufif1 AD_buf15 ( AD[15], AD_out[15],AD_en[15] ) ; bufif1 AD_buf16 ( AD[16], AD_out[16],AD_en[16] ) ; bufif1 AD_buf17 ( AD[17], AD_out[17],AD_en[17] ) ; bufif1 AD_buf18 ( AD[18], AD_out[18],AD_en[18] ) ; bufif1 AD_buf19 ( AD[19], AD_out[19],AD_en[19] ) ; bufif1 AD_buf20 ( AD[20], AD_out[20],AD_en[20] ) ; bufif1 AD_buf21 ( AD[21], AD_out[21],AD_en[21] ) ; bufif1 AD_buf22 ( AD[22], AD_out[22],AD_en[22] ) ; bufif1 AD_buf23 ( AD[23], AD_out[23],AD_en[23] ) ; bufif1 AD_buf24 ( AD[24], AD_out[24],AD_en[24] ) ; bufif1 AD_buf25 ( AD[25], AD_out[25],AD_en[25] ) ; bufif1 AD_buf26 ( AD[26], AD_out[26],AD_en[26] ) ; bufif1 AD_buf27 ( AD[27], AD_out[27],AD_en[27] ) ; bufif1 AD_buf28 ( AD[28], AD_out[28],AD_en[28] ) ; bufif1 AD_buf29 ( AD[29], AD_out[29],AD_en[29] ) ; bufif1 AD_buf30 ( AD[30], AD_out[30],AD_en[30] ) ; bufif1 AD_buf31 ( AD[31], AD_out[31],AD_en[31] ) ; bufif1 CBE_buf0 ( CBE[0], CBE_out[0], CBE_en[0] ) ; bufif1 CBE_buf1 ( CBE[1], CBE_out[1], CBE_en[1] ) ; bufif1 CBE_buf2 ( CBE[2], CBE_out[2], CBE_en[2] ) ; bufif1 CBE_buf3 ( CBE[3], CBE_out[3], CBE_en[3] ) ; bufif1 FRAME_buf ( FRAME, FRAME_out, FRAME_en ) ; bufif1 IRDY_buf ( IRDY, IRDY_out, IRDY_en ) ; bufif1 DEVSEL_buf ( DEVSEL, DEVSEL_out, DEVSEL_en ) ; bufif1 TRDY_buf ( TRDY, TRDY_out, TRDY_en ) ; bufif1 STOP_buf ( STOP, STOP_out, STOP_en ) ; bufif1 RST_buf ( RST, RST_out, RST_en ) ; bufif1 INTA_buf ( INTA, INTA_out, INTA_en) ; bufif1 REQ_buf ( REQ, REQ_out, REQ_en ) ; bufif1 PAR_buf ( PAR, PAR_out, PAR_en ) ; bufif1 PERR_buf ( PERR, PERR_out, PERR_en ) ; bufif1 SERR_buf ( SERR, SERR_out, SERR_en ) ; `endif `endif endmodule
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