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[/] [pci/] [tags/] [rel_6/] [rtl/] [verilog/] [pci_target_unit.v] - Rev 154
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////////////////////////////////////////////////////////////////////// //// //// //// File name: pci_target_unit.v //// //// //// //// This file is part of the "PCI bridge" project //// //// http://www.opencores.org/cores/pci/ //// //// //// //// Author(s): //// //// - Tadej Markovic, tadej@opencores.org //// //// //// //// All additional information is avaliable in the README.txt //// //// file. //// //// //// //// //// ////////////////////////////////////////////////////////////////////// //// //// //// Copyright (C) 2000 Tadej Markovic, tadej@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 1.11 2003/01/27 16:49:31 mihad // Changed module and file names. Updated scripts accordingly. FIFO synchronizations changed. // // Revision 1.10 2002/10/18 03:36:37 tadejm // Changed wrong signal name scanb_sen into scanb_en. // // Revision 1.9 2002/10/17 22:51:08 tadejm // Changed BIST signals for RAMs. // // Revision 1.8 2002/10/11 10:09:01 mihad // Added additional testcase and changed rst name in BIST to trst // // Revision 1.7 2002/10/08 17:17:05 mihad // Added BIST signals for RAMs. // // Revision 1.6 2002/09/25 15:53:52 mihad // Removed all logic from asynchronous reset network // // Revision 1.5 2002/03/05 11:53:47 mihad // Added some testcases, removed un-needed fifo signals // // Revision 1.4 2002/02/19 16:32:37 mihad // Modified testbench and fixed some bugs // // 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 // // // Module instantiates and connects other modules lower in hierarcy // PCI target unit consists of modules that together form datapath // between external WISHBONE slaves and external PCI initiators `include "pci_constants.v" // synopsys translate_off `include "timescale.v" // synopsys translate_on module pci_target_unit ( reset_in, wb_clock_in, pci_clock_in, ADR_O, MDATA_O, MDATA_I, CYC_O, STB_O, WE_O, SEL_O, ACK_I, RTY_I, ERR_I, CAB_O, pciu_mem_enable_in, pciu_io_enable_in, pciu_map_in, pciu_pref_en_in, pciu_conf_data_in, pciu_wbw_fifo_empty_in, pciu_wbu_del_read_comp_pending_in, pciu_wbu_frame_en_in, pciu_bar0_in, pciu_bar1_in, pciu_bar2_in, pciu_bar3_in, pciu_bar4_in, pciu_bar5_in, pciu_am0_in, pciu_am1_in, pciu_am2_in, pciu_am3_in, pciu_am4_in, pciu_am5_in, pciu_ta0_in, pciu_ta1_in, pciu_ta2_in, pciu_ta3_in, pciu_ta4_in, pciu_ta5_in, pciu_at_en_in, pciu_cache_line_size_in, pciu_cache_lsize_not_zero_in, pciu_pciif_frame_in, pciu_pciif_irdy_in, pciu_pciif_idsel_in, pciu_pciif_frame_reg_in, pciu_pciif_irdy_reg_in, pciu_pciif_idsel_reg_in, pciu_pciif_ad_reg_in, pciu_pciif_cbe_reg_in, pciu_pciif_cbe_in, pciu_pciif_bckp_trdy_en_in, pciu_pciif_bckp_devsel_in, pciu_pciif_bckp_trdy_in, pciu_pciif_bckp_stop_in, pciu_pciif_trdy_reg_in, pciu_pciif_stop_reg_in, pciu_pciif_trdy_out, pciu_pciif_stop_out, pciu_pciif_devsel_out, pciu_pciif_trdy_en_out, pciu_pciif_stop_en_out, pciu_pciif_devsel_en_out, pciu_ad_load_out, pciu_ad_load_on_transfer_out, pciu_pciif_ad_out, pciu_pciif_ad_en_out, pciu_pciif_tabort_set_out, pciu_err_addr_out, pciu_err_bc_out, pciu_err_data_out, pciu_err_be_out, pciu_err_signal_out, pciu_err_source_out, pciu_err_rty_exp_out, pciu_conf_offset_out, pciu_conf_renable_out, pciu_conf_wenable_out, pciu_conf_be_out, pciu_conf_data_out, pciu_conf_select_out, pciu_pci_drcomp_pending_out, pciu_pciw_fifo_empty_out `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 reset_in, wb_clock_in, pci_clock_in ; output [31:0] ADR_O ; output [31:0] MDATA_O ; input [31:0] MDATA_I ; output CYC_O ; output STB_O ; output WE_O ; output [3:0] SEL_O ; input ACK_I ; input RTY_I ; input ERR_I ; output CAB_O ; input pciu_wbw_fifo_empty_in ; input pciu_wbu_del_read_comp_pending_in ; input pciu_wbu_frame_en_in ; input pciu_mem_enable_in ; input pciu_io_enable_in ; input [5:0] pciu_map_in ; input [5:0] pciu_pref_en_in ; input [31:0] pciu_conf_data_in ; input [(`PCI_NUM_OF_DEC_ADDR_LINES - 1):0] pciu_bar0_in ; input [(`PCI_NUM_OF_DEC_ADDR_LINES - 1):0] pciu_bar1_in ; input [(`PCI_NUM_OF_DEC_ADDR_LINES - 1):0] pciu_bar2_in ; input [(`PCI_NUM_OF_DEC_ADDR_LINES - 1):0] pciu_bar3_in ; input [(`PCI_NUM_OF_DEC_ADDR_LINES - 1):0] pciu_bar4_in ; input [(`PCI_NUM_OF_DEC_ADDR_LINES - 1):0] pciu_bar5_in ; input [(`PCI_NUM_OF_DEC_ADDR_LINES - 1):0] pciu_am0_in ; input [(`PCI_NUM_OF_DEC_ADDR_LINES - 1):0] pciu_am1_in ; input [(`PCI_NUM_OF_DEC_ADDR_LINES - 1):0] pciu_am2_in ; input [(`PCI_NUM_OF_DEC_ADDR_LINES - 1):0] pciu_am3_in ; input [(`PCI_NUM_OF_DEC_ADDR_LINES - 1):0] pciu_am4_in ; input [(`PCI_NUM_OF_DEC_ADDR_LINES - 1):0] pciu_am5_in ; input [(`PCI_NUM_OF_DEC_ADDR_LINES - 1):0] pciu_ta0_in ; input [(`PCI_NUM_OF_DEC_ADDR_LINES - 1):0] pciu_ta1_in ; input [(`PCI_NUM_OF_DEC_ADDR_LINES - 1):0] pciu_ta2_in ; input [(`PCI_NUM_OF_DEC_ADDR_LINES - 1):0] pciu_ta3_in ; input [(`PCI_NUM_OF_DEC_ADDR_LINES - 1):0] pciu_ta4_in ; input [(`PCI_NUM_OF_DEC_ADDR_LINES - 1):0] pciu_ta5_in ; input [5:0] pciu_at_en_in ; input [7:0] pciu_cache_line_size_in ; input pciu_cache_lsize_not_zero_in ; input pciu_pciif_frame_in ; input pciu_pciif_irdy_in ; input pciu_pciif_idsel_in ; input pciu_pciif_frame_reg_in ; input pciu_pciif_irdy_reg_in ; input pciu_pciif_idsel_reg_in ; input [31:0] pciu_pciif_ad_reg_in ; input [3:0] pciu_pciif_cbe_reg_in ; input [3:0] pciu_pciif_cbe_in; input pciu_pciif_bckp_trdy_en_in ; input pciu_pciif_bckp_devsel_in ; input pciu_pciif_bckp_trdy_in ; input pciu_pciif_bckp_stop_in ; input pciu_pciif_trdy_reg_in ; input pciu_pciif_stop_reg_in ; output pciu_pciif_trdy_out ; output pciu_pciif_stop_out ; output pciu_pciif_devsel_out ; output pciu_pciif_trdy_en_out ; output pciu_pciif_stop_en_out ; output pciu_pciif_devsel_en_out ; output pciu_ad_load_out ; output pciu_ad_load_on_transfer_out ; output [31:0] pciu_pciif_ad_out ; output pciu_pciif_ad_en_out ; output pciu_pciif_tabort_set_out ; output [31:0] pciu_err_addr_out ; output [3:0] pciu_err_bc_out ; output [31:0] pciu_err_data_out ; output [3:0] pciu_err_be_out ; output pciu_err_signal_out ; output pciu_err_source_out ; output pciu_err_rty_exp_out ; output pciu_conf_select_out ; output [11:0] pciu_conf_offset_out ; output pciu_conf_renable_out ; output pciu_conf_wenable_out ; output [3:0] pciu_conf_be_out ; output [31:0] pciu_conf_data_out ; output pciu_pci_drcomp_pending_out ; output pciu_pciw_fifo_empty_out ; `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 // pci target state machine and interface outputs wire pcit_sm_trdy_out ; wire pcit_sm_stop_out ; wire pcit_sm_devsel_out ; wire pcit_sm_trdy_en_out ; wire pcit_sm_stop_en_out ; wire pcit_sm_devsel_en_out ; wire pcit_sm_ad_load_out ; wire pcit_sm_ad_load_on_transfer_out ; wire [31:0] pcit_sm_ad_out ; wire pcit_sm_ad_en_out ; wire [31:0] pcit_sm_address_out ; wire [3:0] pcit_sm_bc_out ; wire pcit_sm_bc0_out ; wire [31:0] pcit_sm_data_out ; wire [3:0] pcit_sm_be_out ; wire [3:0] pcit_sm_next_be_out ; wire pcit_sm_req_out ; wire pcit_sm_rdy_out ; wire pcit_sm_addr_phase_out ; wire pcit_sm_bckp_devsel_out ; wire pcit_sm_bckp_trdy_out ; wire pcit_sm_bckp_stop_out ; wire pcit_sm_last_reg_out ; wire pcit_sm_frame_reg_out ; wire pcit_sm_fetch_pcir_fifo_out ; wire pcit_sm_load_medium_reg_out ; wire pcit_sm_sel_fifo_mreg_out ; wire pcit_sm_sel_conf_fifo_out ; wire pcit_sm_fetch_conf_out ; wire pcit_sm_load_to_pciw_fifo_out ; wire pcit_sm_load_to_conf_out ; wire pcit_sm_target_abort_set_out ; // to conf space assign pciu_pciif_trdy_out = pcit_sm_trdy_out ; assign pciu_pciif_stop_out = pcit_sm_stop_out ; assign pciu_pciif_devsel_out = pcit_sm_devsel_out ; assign pciu_pciif_trdy_en_out = pcit_sm_trdy_en_out ; assign pciu_pciif_stop_en_out = pcit_sm_stop_en_out ; assign pciu_pciif_devsel_en_out = pcit_sm_devsel_en_out ; assign pciu_ad_load_out = pcit_sm_ad_load_out ; assign pciu_ad_load_on_transfer_out = pcit_sm_ad_load_on_transfer_out ; assign pciu_pciif_ad_out = pcit_sm_ad_out ; assign pciu_pciif_ad_en_out = pcit_sm_ad_en_out ; assign pciu_pciif_tabort_set_out = pcit_sm_target_abort_set_out ; wire pcit_if_addr_claim_out ; wire [31:0] pcit_if_data_out ; wire pcit_if_same_read_out ; wire pcit_if_norm_access_to_config_out ; wire pcit_if_read_completed_out ; wire pcit_if_read_processing_out ; wire pcit_if_target_abort_out ; wire pcit_if_disconect_wo_data_out ; wire pcit_if_disconect_w_data_out ; wire pcit_if_pciw_fifo_full_out ; wire pcit_if_pcir_fifo_data_err_out ; wire pcit_if_wbw_fifo_empty_out ; wire pcit_if_wbu_del_read_comp_pending_out ; wire pcit_if_req_out ; wire pcit_if_done_out ; wire pcit_if_in_progress_out ; wire [31:0] pcit_if_addr_out ; wire [3:0] pcit_if_be_out ; wire pcit_if_we_out ; wire [3:0] pcit_if_bc_out ; wire pcit_if_burst_ok_out ; wire pcit_if_pcir_fifo_renable_out ; wire pcit_if_pcir_fifo_flush_out ; wire pcit_if_pciw_fifo_wenable_out ; wire [31:0] pcit_if_pciw_fifo_addr_data_out ; wire [3:0] pcit_if_pciw_fifo_cbe_out ; wire [3:0] pcit_if_pciw_fifo_control_out ; wire pcit_if_conf_hit_out ; wire [11:0] pcit_if_conf_addr_out ; wire [31:0] pcit_if_conf_data_out ; wire [3:0] pcit_if_conf_be_out ; wire pcit_if_conf_we_out ; wire pcit_if_conf_re_out ; // pci target state machine outputs // pci interface signals assign pciu_conf_select_out = pcit_if_conf_hit_out ; assign pciu_conf_offset_out = pcit_if_conf_addr_out ; assign pciu_conf_renable_out = pcit_if_conf_re_out ; assign pciu_conf_wenable_out = pcit_if_conf_we_out ; assign pciu_conf_be_out = pcit_if_conf_be_out ; assign pciu_conf_data_out = pcit_if_conf_data_out ; // wishbone master state machine outputs wire wbm_sm_wb_read_done ; wire wbm_sm_write_attempt ; wire wbm_sm_pcir_fifo_wenable_out ; wire [31:0] wbm_sm_pcir_fifo_data_out ; wire [3:0] wbm_sm_pcir_fifo_be_out ; wire [3:0] wbm_sm_pcir_fifo_control_out ; wire wbm_sm_pciw_fifo_renable_out ; wire wbm_sm_pci_error_sig_out ; wire [3:0] wbm_sm_pci_error_bc ; wire wbm_sm_write_rty_cnt_exp_out ; wire wbm_sm_error_source_out ; wire wbm_sm_read_rty_cnt_exp_out ; wire wbm_sm_cyc_out ; wire wbm_sm_stb_out ; wire wbm_sm_we_out ; wire [3:0] wbm_sm_sel_out ; wire [31:0] wbm_sm_adr_out ; wire [31:0] wbm_sm_mdata_out ; wire wbm_sm_cab_out ; assign pciu_err_addr_out = wbm_sm_adr_out ; assign pciu_err_bc_out = wbm_sm_pci_error_bc ; assign pciu_err_data_out = wbm_sm_mdata_out ; assign pciu_err_be_out = ~wbm_sm_sel_out ; assign pciu_err_signal_out = wbm_sm_pci_error_sig_out ; assign pciu_err_source_out = wbm_sm_error_source_out ; assign pciu_err_rty_exp_out = wbm_sm_write_rty_cnt_exp_out ; assign ADR_O = wbm_sm_adr_out ; assign MDATA_O = wbm_sm_mdata_out ; assign CYC_O = wbm_sm_cyc_out ; assign STB_O = wbm_sm_stb_out ; assign WE_O = wbm_sm_we_out ; assign SEL_O = wbm_sm_sel_out ; assign CAB_O = wbm_sm_cab_out ; // pciw_pcir fifo outputs // pciw_fifo_outputs: wire [31:0] fifos_pciw_addr_data_out ; wire [3:0] fifos_pciw_cbe_out ; wire [3:0] fifos_pciw_control_out ; wire fifos_pciw_three_left_out ; wire fifos_pciw_two_left_out ; wire fifos_pciw_almost_full_out ; wire fifos_pciw_full_out ; wire fifos_pciw_almost_empty_out ; wire fifos_pciw_empty_out ; wire fifos_pciw_transaction_ready_out ; assign pciu_pciw_fifo_empty_out = !wbm_sm_write_attempt; // pcir_fifo_outputs wire [31:0] fifos_pcir_data_out ; wire [3:0] fifos_pcir_be_out ; wire [3:0] fifos_pcir_control_out ; wire fifos_pcir_almost_empty_out ; wire fifos_pcir_empty_out ; // delayed transaction logic outputs wire [31:0] del_sync_addr_out ; wire [3:0] del_sync_be_out ; wire del_sync_we_out ; wire del_sync_comp_req_pending_out ; wire del_sync_comp_comp_pending_out ; wire del_sync_req_req_pending_out ; wire del_sync_req_comp_pending_out ; wire [3:0] del_sync_bc_out ; wire del_sync_status_out ; wire del_sync_comp_flush_out ; wire del_sync_burst_out ; assign pciu_pci_drcomp_pending_out = del_sync_comp_comp_pending_out ; // WISHBONE master interface inputs wire wbm_sm_pci_tar_read_request = del_sync_comp_req_pending_out ; wire [31:0] wbm_sm_pci_tar_address = del_sync_addr_out ; wire [3:0] wbm_sm_pci_tar_cmd = del_sync_bc_out ; wire [3:0] wbm_sm_pci_tar_be = del_sync_be_out ; wire wbm_sm_pci_tar_burst_ok = del_sync_burst_out ; wire [7:0] wbm_sm_pci_cache_line_size = pciu_cache_line_size_in ; wire wbm_sm_cache_lsize_not_zero_in = pciu_cache_lsize_not_zero_in ; wire [31:0] wbm_sm_pciw_fifo_addr_data_in = fifos_pciw_addr_data_out ; wire [3:0] wbm_sm_pciw_fifo_cbe_in = fifos_pciw_cbe_out ; wire [3:0] wbm_sm_pciw_fifo_control_in = fifos_pciw_control_out ; wire wbm_sm_pciw_fifo_almost_empty_in = fifos_pciw_almost_empty_out ; wire wbm_sm_pciw_fifo_empty_in = fifos_pciw_empty_out ; wire wbm_sm_pciw_fifo_transaction_ready_in = fifos_pciw_transaction_ready_out ; wire [31:0] wbm_sm_mdata_in = MDATA_I ; wire wbm_sm_ack_in = ACK_I ; wire wbm_sm_rty_in = RTY_I ; wire wbm_sm_err_in = ERR_I ; // WISHBONE master interface instantiation pci_wb_master wishbone_master ( .wb_clock_in (wb_clock_in), .reset_in (reset_in), .pci_tar_read_request (wbm_sm_pci_tar_read_request), //in .pci_tar_address (wbm_sm_pci_tar_address), //in .pci_tar_cmd (wbm_sm_pci_tar_cmd), //in .pci_tar_be (wbm_sm_pci_tar_be), //in .pci_tar_burst_ok (wbm_sm_pci_tar_burst_ok), //in .pci_cache_line_size (wbm_sm_pci_cache_line_size), //in .cache_lsize_not_zero (wbm_sm_cache_lsize_not_zero_in), .wb_read_done_out (wbm_sm_wb_read_done), //out .w_attempt (wbm_sm_write_attempt), //out .pcir_fifo_wenable_out (wbm_sm_pcir_fifo_wenable_out), .pcir_fifo_data_out (wbm_sm_pcir_fifo_data_out), .pcir_fifo_be_out (wbm_sm_pcir_fifo_be_out), .pcir_fifo_control_out (wbm_sm_pcir_fifo_control_out), .pciw_fifo_renable_out (wbm_sm_pciw_fifo_renable_out), .pciw_fifo_addr_data_in (wbm_sm_pciw_fifo_addr_data_in), .pciw_fifo_cbe_in (wbm_sm_pciw_fifo_cbe_in), .pciw_fifo_control_in (wbm_sm_pciw_fifo_control_in), .pciw_fifo_almost_empty_in (wbm_sm_pciw_fifo_almost_empty_in), .pciw_fifo_empty_in (wbm_sm_pciw_fifo_empty_in), .pciw_fifo_transaction_ready_in (wbm_sm_pciw_fifo_transaction_ready_in), .pci_error_sig_out (wbm_sm_pci_error_sig_out), .pci_error_bc (wbm_sm_pci_error_bc), .write_rty_cnt_exp_out (wbm_sm_write_rty_cnt_exp_out), .error_source_out (wbm_sm_error_source_out), .read_rty_cnt_exp_out (wbm_sm_read_rty_cnt_exp_out), .CYC_O (wbm_sm_cyc_out), .STB_O (wbm_sm_stb_out), .WE_O (wbm_sm_we_out), .SEL_O (wbm_sm_sel_out), .ADR_O (wbm_sm_adr_out), .MDATA_I (wbm_sm_mdata_in), .MDATA_O (wbm_sm_mdata_out), .ACK_I (wbm_sm_ack_in), .RTY_I (wbm_sm_rty_in), .ERR_I (wbm_sm_err_in), .CAB_O (wbm_sm_cab_out) ); // pciw_pcir_fifos inputs // PCIW_FIFO inputs wire fifos_pciw_wenable_in = pcit_if_pciw_fifo_wenable_out ; wire [31:0] fifos_pciw_addr_data_in = pcit_if_pciw_fifo_addr_data_out ; wire [3:0] fifos_pciw_cbe_in = pcit_if_pciw_fifo_cbe_out ; wire [3:0] fifos_pciw_control_in = pcit_if_pciw_fifo_control_out ; wire fifos_pciw_renable_in = wbm_sm_pciw_fifo_renable_out ; //wire fifos_pciw_flush_in = 1'b0 ; // flush not used for write fifo // PCIR_FIFO inputs wire fifos_pcir_wenable_in = wbm_sm_pcir_fifo_wenable_out ; wire [31:0] fifos_pcir_data_in = wbm_sm_pcir_fifo_data_out ; wire [3:0] fifos_pcir_be_in = wbm_sm_pcir_fifo_be_out ; wire [3:0] fifos_pcir_control_in = wbm_sm_pcir_fifo_control_out ; wire fifos_pcir_renable_in = pcit_if_pcir_fifo_renable_out ; wire fifos_pcir_flush_in = pcit_if_pcir_fifo_flush_out ; // PCIW_FIFO and PCIR_FIFO instantiation pci_pciw_pcir_fifos fifos ( .wb_clock_in (wb_clock_in), .pci_clock_in (pci_clock_in), .reset_in (reset_in), .pciw_wenable_in (fifos_pciw_wenable_in), //for PCI Target !!! .pciw_addr_data_in (fifos_pciw_addr_data_in), //for PCI Target !!! .pciw_cbe_in (fifos_pciw_cbe_in), //for PCI Target !!! .pciw_control_in (fifos_pciw_control_in), //for PCI Target !!! .pciw_renable_in (fifos_pciw_renable_in), .pciw_addr_data_out (fifos_pciw_addr_data_out), .pciw_cbe_out (fifos_pciw_cbe_out), .pciw_control_out (fifos_pciw_control_out), // .pciw_flush_in (fifos_pciw_flush_in), // flush not used for write fifo .pciw_three_left_out (fifos_pciw_three_left_out), //for PCI Target !!! .pciw_two_left_out (fifos_pciw_two_left_out), //for PCI Target !!! .pciw_almost_full_out (fifos_pciw_almost_full_out), //for PCI Target !!! .pciw_full_out (fifos_pciw_full_out), //for PCI Target !!! .pciw_almost_empty_out (fifos_pciw_almost_empty_out), .pciw_empty_out (fifos_pciw_empty_out), .pciw_transaction_ready_out (fifos_pciw_transaction_ready_out), .pcir_wenable_in (fifos_pcir_wenable_in), .pcir_data_in (fifos_pcir_data_in), .pcir_be_in (fifos_pcir_be_in), .pcir_control_in (fifos_pcir_control_in), .pcir_renable_in (fifos_pcir_renable_in), //for PCI Target !!! .pcir_data_out (fifos_pcir_data_out), //for PCI Target !!! .pcir_be_out (fifos_pcir_be_out), //for PCI Target !!! .pcir_control_out (fifos_pcir_control_out), //for PCI Target !!! .pcir_flush_in (fifos_pcir_flush_in), //for PCI Target !!! .pcir_full_out (), .pcir_almost_empty_out (fifos_pcir_almost_empty_out), //for PCI Target !!! .pcir_empty_out (fifos_pcir_empty_out), //for PCI Target !!! .pcir_transaction_ready_out () `ifdef PCI_BIST , .scanb_rst (scanb_rst), .scanb_clk (scanb_clk), .scanb_si (scanb_si), .scanb_so (scanb_so), .scanb_en (scanb_en) `endif ) ; // delayed transaction logic inputs wire del_sync_req_in = pcit_if_req_out ; wire del_sync_comp_in = wbm_sm_wb_read_done ; wire del_sync_done_in = pcit_if_done_out ; wire del_sync_in_progress_in = pcit_if_in_progress_out ; wire [31:0] del_sync_addr_in = pcit_if_addr_out ; wire [3:0] del_sync_be_in = pcit_if_be_out ; wire del_sync_we_in = pcit_if_we_out ; wire [3:0] del_sync_bc_in = pcit_if_bc_out ; wire del_sync_status_in = 1'b0 ; wire del_sync_burst_in = pcit_if_burst_ok_out ; wire del_sync_retry_expired_in = wbm_sm_read_rty_cnt_exp_out ; // delayed transaction logic instantiation pci_delayed_sync del_sync ( .reset_in (reset_in), .req_clk_in (pci_clock_in), .comp_clk_in (wb_clock_in), .req_in (del_sync_req_in), .comp_in (del_sync_comp_in), .done_in (del_sync_done_in), .in_progress_in (del_sync_in_progress_in), .comp_req_pending_out (del_sync_comp_req_pending_out), .comp_comp_pending_out (del_sync_comp_comp_pending_out), .req_req_pending_out (del_sync_req_req_pending_out), .req_comp_pending_out (del_sync_req_comp_pending_out), .addr_in (del_sync_addr_in), .be_in (del_sync_be_in), .addr_out (del_sync_addr_out), .be_out (del_sync_be_out), .we_in (del_sync_we_in), .we_out (del_sync_we_out), .bc_in (del_sync_bc_in), .bc_out (del_sync_bc_out), .status_in (del_sync_status_in), .status_out (del_sync_status_out), .comp_flush_out (del_sync_comp_flush_out), .burst_in (del_sync_burst_in), .burst_out (del_sync_burst_out), .retry_expired_in (del_sync_retry_expired_in) ); // pci target interface inputs wire [31:0] pcit_if_address_in = pcit_sm_address_out ; wire [3:0] pcit_if_bc_in = pcit_sm_bc_out ; wire pcit_if_bc0_in = pcit_sm_bc0_out ; wire [31:0] pcit_if_data_in = pcit_sm_data_out ; wire [3:0] pcit_if_be_in = pcit_sm_be_out ; wire [3:0] pcit_if_next_be_in = pcit_sm_next_be_out ; wire pcit_if_req_in = pcit_sm_req_out ; wire pcit_if_rdy_in = pcit_sm_rdy_out ; wire pcit_if_addr_phase_in = pcit_sm_addr_phase_out ; wire pcit_if_bckp_devsel_in = pcit_sm_bckp_devsel_out ; wire pcit_if_bckp_trdy_in = pcit_sm_bckp_trdy_out ; wire pcit_if_bckp_stop_in = pcit_sm_bckp_stop_out ; wire pcit_if_last_reg_in = pcit_sm_last_reg_out ; wire pcit_if_frame_reg_in = pcit_sm_frame_reg_out ; wire pcit_if_fetch_pcir_fifo_in = pcit_sm_fetch_pcir_fifo_out ; wire pcit_if_load_medium_reg_in = pcit_sm_load_medium_reg_out ; wire pcit_if_sel_fifo_mreg_in = pcit_sm_sel_fifo_mreg_out ; wire pcit_if_sel_conf_fifo_in = pcit_sm_sel_conf_fifo_out ; wire pcit_if_fetch_conf_in = pcit_sm_fetch_conf_out ; wire pcit_if_load_to_pciw_fifo_in = pcit_sm_load_to_pciw_fifo_out ; wire pcit_if_load_to_conf_in = pcit_sm_load_to_conf_out ; wire pcit_if_req_req_pending_in = del_sync_req_req_pending_out ; wire pcit_if_req_comp_pending_in = del_sync_req_comp_pending_out ; wire pcit_if_status_in = del_sync_status_out ; wire [31:0] pcit_if_strd_addr_in = del_sync_addr_out ; wire [3:0] pcit_if_strd_bc_in = del_sync_bc_out ; wire pcit_if_comp_flush_in = del_sync_comp_flush_out ; wire [31:0] pcit_if_pcir_fifo_data_in = fifos_pcir_data_out ; wire [3:0] pcit_if_pcir_fifo_be_in = fifos_pcir_be_out ; wire [3:0] pcit_if_pcir_fifo_control_in = fifos_pcir_control_out ; wire pcit_if_pcir_fifo_almost_empty_in = fifos_pcir_almost_empty_out ; wire pcit_if_pcir_fifo_empty_in = fifos_pcir_empty_out ; wire pcit_if_pciw_fifo_three_left_in = fifos_pciw_three_left_out ; wire pcit_if_pciw_fifo_two_left_in = fifos_pciw_two_left_out ; wire pcit_if_pciw_fifo_almost_full_in = fifos_pciw_almost_full_out ; wire pcit_if_pciw_fifo_full_in = fifos_pciw_full_out ; wire pcit_if_wbw_fifo_empty_in = pciu_wbw_fifo_empty_in ; wire pcit_if_wbu_del_read_comp_pending_in = pciu_wbu_del_read_comp_pending_in ; wire [31:0] pcit_if_conf_data_in = pciu_conf_data_in ; wire pcit_if_mem_enable_in = pciu_mem_enable_in ; wire pcit_if_io_enable_in = pciu_io_enable_in ; wire pcit_if_mem_io_addr_space0_in = pciu_map_in[0] ; wire pcit_if_mem_io_addr_space1_in = pciu_map_in[1] ; wire pcit_if_mem_io_addr_space2_in = pciu_map_in[2] ; wire pcit_if_mem_io_addr_space3_in = pciu_map_in[3] ; wire pcit_if_mem_io_addr_space4_in = pciu_map_in[4] ; wire pcit_if_mem_io_addr_space5_in = pciu_map_in[5] ; wire pcit_if_pre_fetch_en0_in = pciu_pref_en_in[0] ; wire pcit_if_pre_fetch_en1_in = pciu_pref_en_in[1] ; wire pcit_if_pre_fetch_en2_in = pciu_pref_en_in[2] ; wire pcit_if_pre_fetch_en3_in = pciu_pref_en_in[3] ; wire pcit_if_pre_fetch_en4_in = pciu_pref_en_in[4] ; wire pcit_if_pre_fetch_en5_in = pciu_pref_en_in[5] ; wire [(`PCI_NUM_OF_DEC_ADDR_LINES - 1):0] pcit_if_pci_base_addr0_in = pciu_bar0_in ; wire [(`PCI_NUM_OF_DEC_ADDR_LINES - 1):0] pcit_if_pci_base_addr1_in = pciu_bar1_in ; wire [(`PCI_NUM_OF_DEC_ADDR_LINES - 1):0] pcit_if_pci_base_addr2_in = pciu_bar2_in ; wire [(`PCI_NUM_OF_DEC_ADDR_LINES - 1):0] pcit_if_pci_base_addr3_in = pciu_bar3_in ; wire [(`PCI_NUM_OF_DEC_ADDR_LINES - 1):0] pcit_if_pci_base_addr4_in = pciu_bar4_in ; wire [(`PCI_NUM_OF_DEC_ADDR_LINES - 1):0] pcit_if_pci_base_addr5_in = pciu_bar5_in ; wire [(`PCI_NUM_OF_DEC_ADDR_LINES - 1):0] pcit_if_pci_addr_mask0_in = pciu_am0_in ; wire [(`PCI_NUM_OF_DEC_ADDR_LINES - 1):0] pcit_if_pci_addr_mask1_in = pciu_am1_in ; wire [(`PCI_NUM_OF_DEC_ADDR_LINES - 1):0] pcit_if_pci_addr_mask2_in = pciu_am2_in ; wire [(`PCI_NUM_OF_DEC_ADDR_LINES - 1):0] pcit_if_pci_addr_mask3_in = pciu_am3_in ; wire [(`PCI_NUM_OF_DEC_ADDR_LINES - 1):0] pcit_if_pci_addr_mask4_in = pciu_am4_in ; wire [(`PCI_NUM_OF_DEC_ADDR_LINES - 1):0] pcit_if_pci_addr_mask5_in = pciu_am5_in ; wire [(`PCI_NUM_OF_DEC_ADDR_LINES - 1):0] pcit_if_pci_tran_addr0_in = pciu_ta0_in ; wire [(`PCI_NUM_OF_DEC_ADDR_LINES - 1):0] pcit_if_pci_tran_addr1_in = pciu_ta1_in ; wire [(`PCI_NUM_OF_DEC_ADDR_LINES - 1):0] pcit_if_pci_tran_addr2_in = pciu_ta2_in ; wire [(`PCI_NUM_OF_DEC_ADDR_LINES - 1):0] pcit_if_pci_tran_addr3_in = pciu_ta3_in ; wire [(`PCI_NUM_OF_DEC_ADDR_LINES - 1):0] pcit_if_pci_tran_addr4_in = pciu_ta4_in ; wire [(`PCI_NUM_OF_DEC_ADDR_LINES - 1):0] pcit_if_pci_tran_addr5_in = pciu_ta5_in ; wire pcit_if_addr_tran_en0_in = pciu_at_en_in[0] ; wire pcit_if_addr_tran_en1_in = pciu_at_en_in[1] ; wire pcit_if_addr_tran_en2_in = pciu_at_en_in[2] ; wire pcit_if_addr_tran_en3_in = pciu_at_en_in[3] ; wire pcit_if_addr_tran_en4_in = pciu_at_en_in[4] ; wire pcit_if_addr_tran_en5_in = pciu_at_en_in[5] ; pci_target32_interface pci_target_if ( .clk_in (pci_clock_in), .reset_in (reset_in), .address_in (pcit_if_address_in), .addr_claim_out (pcit_if_addr_claim_out), .bc_in (pcit_if_bc_in), .bc0_in (pcit_if_bc0_in), .data_in (pcit_if_data_in), .data_out (pcit_if_data_out), .be_in (pcit_if_be_in), .next_be_in (pcit_if_next_be_in), .req_in (pcit_if_req_in), .rdy_in (pcit_if_rdy_in), .addr_phase_in (pcit_if_addr_phase_in), .bckp_devsel_in (pcit_if_bckp_devsel_in), .bckp_trdy_in (pcit_if_bckp_trdy_in), .bckp_stop_in (pcit_if_bckp_stop_in), .last_reg_in (pcit_if_last_reg_in), .frame_reg_in (pcit_if_frame_reg_in), .fetch_pcir_fifo_in (pcit_if_fetch_pcir_fifo_in), .load_medium_reg_in (pcit_if_load_medium_reg_in), .sel_fifo_mreg_in (pcit_if_sel_fifo_mreg_in), .sel_conf_fifo_in (pcit_if_sel_conf_fifo_in), .fetch_conf_in (pcit_if_fetch_conf_in), .load_to_pciw_fifo_in (pcit_if_load_to_pciw_fifo_in), .load_to_conf_in (pcit_if_load_to_conf_in), .same_read_out (pcit_if_same_read_out), .norm_access_to_config_out (pcit_if_norm_access_to_config_out), .read_completed_out (pcit_if_read_completed_out), .read_processing_out (pcit_if_read_processing_out), .target_abort_out (pcit_if_target_abort_out), .disconect_wo_data_out (pcit_if_disconect_wo_data_out), .disconect_w_data_out (pcit_if_disconect_w_data_out), .pciw_fifo_full_out (pcit_if_pciw_fifo_full_out), .pcir_fifo_data_err_out (pcit_if_pcir_fifo_data_err_out), .wbw_fifo_empty_out (pcit_if_wbw_fifo_empty_out), .wbu_del_read_comp_pending_out (pcit_if_wbu_del_read_comp_pending_out), .req_out (pcit_if_req_out), .done_out (pcit_if_done_out), .in_progress_out (pcit_if_in_progress_out), .req_req_pending_in (pcit_if_req_req_pending_in), .req_comp_pending_in (pcit_if_req_comp_pending_in), .addr_out (pcit_if_addr_out), .be_out (pcit_if_be_out), .we_out (pcit_if_we_out), .bc_out (pcit_if_bc_out), .burst_ok_out (pcit_if_burst_ok_out), .strd_addr_in (pcit_if_strd_addr_in), .strd_bc_in (pcit_if_strd_bc_in), .status_in (pcit_if_status_in), .comp_flush_in (pcit_if_comp_flush_in), .pcir_fifo_renable_out (pcit_if_pcir_fifo_renable_out), .pcir_fifo_data_in (pcit_if_pcir_fifo_data_in), .pcir_fifo_be_in (pcit_if_pcir_fifo_be_in), .pcir_fifo_control_in (pcit_if_pcir_fifo_control_in), .pcir_fifo_flush_out (pcit_if_pcir_fifo_flush_out), .pcir_fifo_almost_empty_in (pcit_if_pcir_fifo_almost_empty_in), .pcir_fifo_empty_in (pcit_if_pcir_fifo_empty_in), .pciw_fifo_wenable_out (pcit_if_pciw_fifo_wenable_out), .pciw_fifo_addr_data_out (pcit_if_pciw_fifo_addr_data_out), .pciw_fifo_cbe_out (pcit_if_pciw_fifo_cbe_out), .pciw_fifo_control_out (pcit_if_pciw_fifo_control_out), .pciw_fifo_three_left_in (pcit_if_pciw_fifo_three_left_in), .pciw_fifo_two_left_in (pcit_if_pciw_fifo_two_left_in), .pciw_fifo_almost_full_in (pcit_if_pciw_fifo_almost_full_in), .pciw_fifo_full_in (pcit_if_pciw_fifo_full_in), .wbw_fifo_empty_in (pcit_if_wbw_fifo_empty_in), .wbu_del_read_comp_pending_in (pcit_if_wbu_del_read_comp_pending_in), .conf_hit_out (pcit_if_conf_hit_out), .conf_addr_out (pcit_if_conf_addr_out), .conf_data_out (pcit_if_conf_data_out), .conf_data_in (pcit_if_conf_data_in), .conf_be_out (pcit_if_conf_be_out), .conf_we_out (pcit_if_conf_we_out), .conf_re_out (pcit_if_conf_re_out), .mem_enable_in (pcit_if_mem_enable_in), .io_enable_in (pcit_if_io_enable_in), .mem_io_addr_space0_in (pcit_if_mem_io_addr_space0_in), .mem_io_addr_space1_in (pcit_if_mem_io_addr_space1_in), .mem_io_addr_space2_in (pcit_if_mem_io_addr_space2_in), .mem_io_addr_space3_in (pcit_if_mem_io_addr_space3_in), .mem_io_addr_space4_in (pcit_if_mem_io_addr_space4_in), .mem_io_addr_space5_in (pcit_if_mem_io_addr_space5_in), .pre_fetch_en0_in (pcit_if_pre_fetch_en0_in), .pre_fetch_en1_in (pcit_if_pre_fetch_en1_in), .pre_fetch_en2_in (pcit_if_pre_fetch_en2_in), .pre_fetch_en3_in (pcit_if_pre_fetch_en3_in), .pre_fetch_en4_in (pcit_if_pre_fetch_en4_in), .pre_fetch_en5_in (pcit_if_pre_fetch_en5_in), .pci_base_addr0_in (pcit_if_pci_base_addr0_in), .pci_base_addr1_in (pcit_if_pci_base_addr1_in), .pci_base_addr2_in (pcit_if_pci_base_addr2_in), .pci_base_addr3_in (pcit_if_pci_base_addr3_in), .pci_base_addr4_in (pcit_if_pci_base_addr4_in), .pci_base_addr5_in (pcit_if_pci_base_addr5_in), .pci_addr_mask0_in (pcit_if_pci_addr_mask0_in), .pci_addr_mask1_in (pcit_if_pci_addr_mask1_in), .pci_addr_mask2_in (pcit_if_pci_addr_mask2_in), .pci_addr_mask3_in (pcit_if_pci_addr_mask3_in), .pci_addr_mask4_in (pcit_if_pci_addr_mask4_in), .pci_addr_mask5_in (pcit_if_pci_addr_mask5_in), .pci_tran_addr0_in (pcit_if_pci_tran_addr0_in), .pci_tran_addr1_in (pcit_if_pci_tran_addr1_in), .pci_tran_addr2_in (pcit_if_pci_tran_addr2_in), .pci_tran_addr3_in (pcit_if_pci_tran_addr3_in), .pci_tran_addr4_in (pcit_if_pci_tran_addr4_in), .pci_tran_addr5_in (pcit_if_pci_tran_addr5_in), .addr_tran_en0_in (pcit_if_addr_tran_en0_in), .addr_tran_en1_in (pcit_if_addr_tran_en1_in), .addr_tran_en2_in (pcit_if_addr_tran_en2_in), .addr_tran_en3_in (pcit_if_addr_tran_en3_in), .addr_tran_en4_in (pcit_if_addr_tran_en4_in), .addr_tran_en5_in (pcit_if_addr_tran_en5_in) ) ; // pci target state machine inputs wire pcit_sm_frame_in = pciu_pciif_frame_in ; wire pcit_sm_irdy_in = pciu_pciif_irdy_in ; wire pcit_sm_idsel_in = pciu_pciif_idsel_in ; wire pcit_sm_frame_reg_in = pciu_pciif_frame_reg_in ; wire pcit_sm_irdy_reg_in = pciu_pciif_irdy_reg_in ; wire pcit_sm_idsel_reg_in = pciu_pciif_idsel_reg_in ; wire [31:0] pcit_sm_ad_reg_in = pciu_pciif_ad_reg_in ; wire [3:0] pcit_sm_cbe_reg_in = pciu_pciif_cbe_reg_in ; wire [3:0] pcit_sm_cbe_in = pciu_pciif_cbe_in ; wire pcit_sm_bckp_trdy_en_in = pciu_pciif_bckp_trdy_en_in ; wire pcit_sm_bckp_devsel_in = pciu_pciif_bckp_devsel_in ; wire pcit_sm_bckp_trdy_in = pciu_pciif_bckp_trdy_in ; wire pcit_sm_bckp_stop_in = pciu_pciif_bckp_stop_in ; wire pcit_sm_addr_claim_in = pcit_if_addr_claim_out ; wire [31:0] pcit_sm_data_in = pcit_if_data_out ; wire pcit_sm_same_read_in = pcit_if_same_read_out ; wire pcit_sm_norm_access_to_config_in = pcit_if_norm_access_to_config_out ; wire pcit_sm_read_completed_in = pcit_if_read_completed_out ; wire pcit_sm_read_processing_in = pcit_if_read_processing_out ; wire pcit_sm_target_abort_in = pcit_if_target_abort_out ; wire pcit_sm_disconect_wo_data_in = pcit_if_disconect_wo_data_out ; wire pcit_sm_disconect_w_data_in = pcit_if_disconect_w_data_out ; wire pcit_sm_pciw_fifo_full_in = pcit_if_pciw_fifo_full_out ; wire pcit_sm_pcir_fifo_data_err_in = pcit_if_pcir_fifo_data_err_out ; wire pcit_sm_wbw_fifo_empty_in = pcit_if_wbw_fifo_empty_out ; wire pcit_sm_wbu_del_read_comp_pending_in = pcit_if_wbu_del_read_comp_pending_out ; wire pcit_sm_wbu_frame_en_in = pciu_wbu_frame_en_in ; wire pcit_sm_trdy_reg_in = pciu_pciif_trdy_reg_in ; wire pcit_sm_stop_reg_in = pciu_pciif_stop_reg_in ; pci_target32_sm pci_target_sm ( .clk_in (pci_clock_in), .reset_in (reset_in), .pci_frame_in (pcit_sm_frame_in), .pci_irdy_in (pcit_sm_irdy_in), .pci_idsel_in (pcit_sm_idsel_in), .pci_frame_reg_in (pcit_sm_frame_reg_in), .pci_irdy_reg_in (pcit_sm_irdy_reg_in), .pci_idsel_reg_in (pcit_sm_idsel_reg_in), .pci_trdy_out (pcit_sm_trdy_out), .pci_stop_out (pcit_sm_stop_out), .pci_devsel_out (pcit_sm_devsel_out), .pci_trdy_en_out (pcit_sm_trdy_en_out), .pci_stop_en_out (pcit_sm_stop_en_out), .pci_devsel_en_out (pcit_sm_devsel_en_out), .ad_load_out (pcit_sm_ad_load_out), .ad_load_on_transfer_out (pcit_sm_ad_load_on_transfer_out), .pci_ad_reg_in (pcit_sm_ad_reg_in), .pci_ad_out (pcit_sm_ad_out), .pci_ad_en_out (pcit_sm_ad_en_out), .pci_cbe_reg_in (pcit_sm_cbe_reg_in), .pci_cbe_in (pcit_sm_cbe_in), .bckp_trdy_en_in (pcit_sm_bckp_trdy_en_in), .bckp_devsel_in (pcit_sm_bckp_devsel_in), .bckp_trdy_in (pcit_sm_bckp_trdy_in), .bckp_stop_in (pcit_sm_bckp_stop_in), .pci_trdy_reg_in (pcit_sm_trdy_reg_in), .pci_stop_reg_in (pcit_sm_stop_reg_in), .address_out (pcit_sm_address_out), .addr_claim_in (pcit_sm_addr_claim_in), .bc_out (pcit_sm_bc_out), .bc0_out (pcit_sm_bc0_out), .data_out (pcit_sm_data_out), .data_in (pcit_sm_data_in), .be_out (pcit_sm_be_out), .next_be_out (pcit_sm_next_be_out), .req_out (pcit_sm_req_out), .rdy_out (pcit_sm_rdy_out), .addr_phase_out (pcit_sm_addr_phase_out), .bckp_devsel_out (pcit_sm_bckp_devsel_out), .bckp_trdy_out (pcit_sm_bckp_trdy_out), .bckp_stop_out (pcit_sm_bckp_stop_out), .last_reg_out (pcit_sm_last_reg_out), .frame_reg_out (pcit_sm_frame_reg_out), .fetch_pcir_fifo_out (pcit_sm_fetch_pcir_fifo_out), .load_medium_reg_out (pcit_sm_load_medium_reg_out), .sel_fifo_mreg_out (pcit_sm_sel_fifo_mreg_out), .sel_conf_fifo_out (pcit_sm_sel_conf_fifo_out), .fetch_conf_out (pcit_sm_fetch_conf_out), .load_to_pciw_fifo_out (pcit_sm_load_to_pciw_fifo_out), .load_to_conf_out (pcit_sm_load_to_conf_out), .same_read_in (pcit_sm_same_read_in), .norm_access_to_config_in (pcit_sm_norm_access_to_config_in), .read_completed_in (pcit_sm_read_completed_in), .read_processing_in (pcit_sm_read_processing_in), .target_abort_in (pcit_sm_target_abort_in), .disconect_wo_data_in (pcit_sm_disconect_wo_data_in), .disconect_w_data_in (pcit_sm_disconect_w_data_in), .target_abort_set_out (pcit_sm_target_abort_set_out), .pciw_fifo_full_in (pcit_sm_pciw_fifo_full_in), .pcir_fifo_data_err_in (pcit_sm_pcir_fifo_data_err_in), .wbw_fifo_empty_in (pcit_sm_wbw_fifo_empty_in), .wbu_del_read_comp_pending_in (pcit_sm_wbu_del_read_comp_pending_in), .wbu_frame_en_in (pcit_sm_wbu_frame_en_in) ) ; endmodule