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alirezamon |
`include "pronoc_def.v"
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/**********************************************************************
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** File: combined_vc_sw_alloc.v
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**
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** Copyright (C) 2014-2017 Alireza Monemi
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**
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** This file is part of ProNoC
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**
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** ProNoC ( stands for Prototype Network-on-chip) is free software:
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** you can redistribute it and/or modify it under the terms of the GNU
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** Lesser General Public License as published by the Free Software Foundation,
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** either version 2 of the License, or (at your option) any later version.
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**
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** ProNoC is distributed in the hope that it will be useful, but WITHOUT
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** ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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** or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General
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** Public License for more details.
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**
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** You should have received a copy of the GNU Lesser General Public
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** License along with ProNoC. If not, see .
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**
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**
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** Description:
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** combined VC/SW allocator. VC allocation is done in parallel with swich allocator
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** for header flits which are successfully get sw grant
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*************************************/
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alirezamon |
module combined_vc_sw_alloc #(
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parameter NOC_ID=0,
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54 |
alirezamon |
parameter P = 5 //port number
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56 |
alirezamon |
)(
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54 |
alirezamon |
ivc_info,
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dest_port_all,
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masked_ovc_request_all,
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ovc_allocated_all,
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granted_ovc_num_all,
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ivc_num_getting_ovc_grant,
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ivc_num_getting_sw_grant,
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spec_first_arbiter_granted_ivc_all,
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nonspec_first_arbiter_granted_ivc_all,
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granted_dest_port_all,
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nonspec_granted_dest_port_all,
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spec_granted_dest_port_all,
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any_ivc_sw_request_granted_all,
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any_ovc_granted_in_outport_all,
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spec_ovc_num_all,
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vc_weight_is_consumed_all,
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iport_weight_is_consumed_all,
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granted_dst_is_from_a_single_flit_pck,
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clk,
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reset
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);
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alirezamon |
`NOC_CONF
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alirezamon |
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localparam
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PV = V * P,
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PVV = PV * V,
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P_1 = (SELF_LOOP_EN == "NO")? P-1 : P,
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PP_1 = P_1 * P,
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PVP_1 = PV * P_1;
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alirezamon |
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input ivc_info_t ivc_info [P-1 : 0][V-1 : 0];
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input [PVP_1-1 : 0] dest_port_all;
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input [PVV-1 : 0] masked_ovc_request_all;
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alirezamon |
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output [PV-1 : 0] ovc_allocated_all;
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output [PVV-1 : 0] granted_ovc_num_all;
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output [PV-1 : 0] ivc_num_getting_ovc_grant;
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output [PV-1 : 0] ivc_num_getting_sw_grant;
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output [PV-1 : 0] nonspec_first_arbiter_granted_ivc_all;
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output [PV-1 : 0] spec_first_arbiter_granted_ivc_all;
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output [P-1 : 0] any_ivc_sw_request_granted_all;
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output [P-1 : 0] any_ovc_granted_in_outport_all;
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output [PP_1-1 : 0] granted_dest_port_all;
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output [PP_1-1 : 0] nonspec_granted_dest_port_all;
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output [PP_1-1 : 0] spec_granted_dest_port_all;
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output [PVV-1 : 0] spec_ovc_num_all;
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alirezamon |
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alirezamon |
input [PV-1 : 0] vc_weight_is_consumed_all;
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input [P-1 : 0] iport_weight_is_consumed_all;
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output [P-1 : 0] granted_dst_is_from_a_single_flit_pck;
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input clk,reset;
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wire [PV-1 : 0] ivc_request_all;
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wire [PV-1 : 0] assigned_ovc_not_full_all;
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wire [PV-1 : 0] ovc_is_assigned_all;
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wire [PV-1 : 0] pck_is_single_flit_all;
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genvar i;
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generate
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for (i=0; i
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localparam C_PORT = i/V;
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assign ivc_request_all[i] = ivc_info[C_PORT][i%V].ivc_req;
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assign assigned_ovc_not_full_all[i] = ivc_info[C_PORT][i%V].assigned_ovc_not_full;
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assign ovc_is_assigned_all[i] = ivc_info[C_PORT][i%V].ovc_is_assigned;
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assign pck_is_single_flit_all[i] =ivc_info[C_PORT][i%V].single_flit_pck;
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end//for
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/* verilator lint_off WIDTH */
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if(COMBINATION_TYPE == "BASELINE") begin : canonical_comb_gen
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/* verilator lint_on WIDTH */
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baseline_allocator #(
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.V(V),
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.P(P),
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.TREE_ARBITER_EN(1),
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.DEBUG_EN(DEBUG_EN),
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.SWA_ARBITER_TYPE (SWA_ARBITER_TYPE),
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.SELF_LOOP_EN(SELF_LOOP_EN)
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)
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the_base_line
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(
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.dest_port_all(dest_port_all),
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.masked_ovc_request_all(masked_ovc_request_all),
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.ovc_is_assigned_all(ovc_is_assigned_all),
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.ivc_request_all(ivc_request_all),
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.assigned_ovc_not_full_all(assigned_ovc_not_full_all),
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.ovc_allocated_all(ovc_allocated_all),
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.granted_ovc_num_all(granted_ovc_num_all),
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.ivc_num_getting_ovc_grant(ivc_num_getting_ovc_grant),
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.ivc_num_getting_sw_grant(ivc_num_getting_sw_grant),
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.spec_first_arbiter_granted_ivc_all(spec_first_arbiter_granted_ivc_all),
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.nonspec_first_arbiter_granted_ivc_all(nonspec_first_arbiter_granted_ivc_all),
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.granted_dest_port_all(granted_dest_port_all),
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.nonspec_granted_dest_port_all(nonspec_granted_dest_port_all),
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.spec_granted_dest_port_all(spec_granted_dest_port_all),
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.any_ivc_sw_request_granted_all(any_ivc_sw_request_granted_all),
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.spec_ovc_num_all(spec_ovc_num_all),
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.vc_weight_is_consumed_all(vc_weight_is_consumed_all),
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.iport_weight_is_consumed_all(iport_weight_is_consumed_all),
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.clk(clk),
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.reset(reset)
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);
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/* verilator lint_off WIDTH */
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end else if(COMBINATION_TYPE == "COMB_SPEC1") begin : spec1
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/* verilator lint_on WIDTH */
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comb_spec1_allocator #(
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.V(V),
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.P(P),
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.DEBUG_EN(DEBUG_EN),
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.SWA_ARBITER_TYPE (SWA_ARBITER_TYPE),
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.MIN_PCK_SIZE(MIN_PCK_SIZE),
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.SELF_LOOP_EN(SELF_LOOP_EN)
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)
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the_comb_spec1
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(
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.dest_port_all(dest_port_all),
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.masked_ovc_request_all(masked_ovc_request_all),
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.ovc_is_assigned_all(ovc_is_assigned_all),
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.ivc_request_all(ivc_request_all),
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.assigned_ovc_not_full_all(assigned_ovc_not_full_all),
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.ovc_allocated_all(ovc_allocated_all),
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.granted_ovc_num_all(granted_ovc_num_all),
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.ivc_num_getting_ovc_grant(ivc_num_getting_ovc_grant),
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.ivc_num_getting_sw_grant(ivc_num_getting_sw_grant),
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.spec_first_arbiter_granted_ivc_all(spec_first_arbiter_granted_ivc_all),
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.nonspec_first_arbiter_granted_ivc_all(nonspec_first_arbiter_granted_ivc_all),
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.granted_dest_port_all(granted_dest_port_all),
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.nonspec_granted_dest_port_all(nonspec_granted_dest_port_all),
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.any_ivc_sw_request_granted_all(any_ivc_sw_request_granted_all),
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.vc_weight_is_consumed_all(vc_weight_is_consumed_all),
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.iport_weight_is_consumed_all(iport_weight_is_consumed_all),
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.pck_is_single_flit_all(pck_is_single_flit_all),
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.granted_dst_is_from_a_single_flit_pck(granted_dst_is_from_a_single_flit_pck),
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.clk(clk),
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.reset(reset)
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);
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assign spec_granted_dest_port_all = {PP_1{1'bx}};
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assign spec_ovc_num_all = {PVV{1'bx}};
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/* verilator lint_off WIDTH */
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end else if (COMBINATION_TYPE == "COMB_SPEC2") begin :spec2
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/* verilator lint_on WIDTH */
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comb_spec2_allocator #(
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.V(V),
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.P(P),
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.DEBUG_EN(DEBUG_EN),
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.SWA_ARBITER_TYPE (SWA_ARBITER_TYPE),
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.MIN_PCK_SIZE(MIN_PCK_SIZE),
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.SELF_LOOP_EN(SELF_LOOP_EN)
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)
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the_comb_spec2
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(
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.dest_port_all(dest_port_all),
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.masked_ovc_request_all(masked_ovc_request_all),
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.ovc_is_assigned_all(ovc_is_assigned_all),
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| 198 |
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.ivc_request_all(ivc_request_all),
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.assigned_ovc_not_full_all(assigned_ovc_not_full_all),
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.ovc_allocated_all(ovc_allocated_all),
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| 201 |
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.granted_ovc_num_all(granted_ovc_num_all),
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.ivc_num_getting_ovc_grant(ivc_num_getting_ovc_grant),
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.ivc_num_getting_sw_grant(ivc_num_getting_sw_grant),
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.spec_first_arbiter_granted_ivc_all(spec_first_arbiter_granted_ivc_all),
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.nonspec_first_arbiter_granted_ivc_all(nonspec_first_arbiter_granted_ivc_all),
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.granted_dest_port_all(granted_dest_port_all),
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.nonspec_granted_dest_port_all(nonspec_granted_dest_port_all),
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.any_ivc_sw_request_granted_all(any_ivc_sw_request_granted_all),
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.vc_weight_is_consumed_all(vc_weight_is_consumed_all),
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| 210 |
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.iport_weight_is_consumed_all(iport_weight_is_consumed_all),
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| 211 |
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.pck_is_single_flit_all(pck_is_single_flit_all),
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| 212 |
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.granted_dst_is_from_a_single_flit_pck(granted_dst_is_from_a_single_flit_pck),
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.clk(clk),
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.reset(reset)
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);
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assign spec_granted_dest_port_all = {PP_1{1'bx}};
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assign spec_ovc_num_all = {PVV{1'bx}};
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end else begin : nonspec
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if(V>7)begin :cmb_v2
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| 223 |
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comb_nonspec_v2_allocator #(
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| 225 |
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.V(V),
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.P(P),
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| 227 |
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.FIRST_ARBITER_EXT_P_EN(FIRST_ARBITER_EXT_P_EN),
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| 228 |
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.SWA_ARBITER_TYPE (SWA_ARBITER_TYPE),
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| 229 |
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.MIN_PCK_SIZE(MIN_PCK_SIZE),
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| 230 |
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.SELF_LOOP_EN(SELF_LOOP_EN)
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| 231 |
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)
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| 232 |
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nonspec_comb
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| 233 |
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(
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| 234 |
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.dest_port_all(dest_port_all),
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| 235 |
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.masked_ovc_request_all(masked_ovc_request_all),
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| 236 |
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.ovc_is_assigned_all(ovc_is_assigned_all),
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| 237 |
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.ivc_request_all(ivc_request_all),
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| 238 |
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.assigned_ovc_not_full_all(assigned_ovc_not_full_all),
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| 239 |
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.ovc_allocated_all(ovc_allocated_all),
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| 240 |
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.granted_ovc_num_all(granted_ovc_num_all),
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| 241 |
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.ivc_num_getting_ovc_grant(ivc_num_getting_ovc_grant),
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| 242 |
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.ivc_num_getting_sw_grant(ivc_num_getting_sw_grant),
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| 243 |
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.nonspec_first_arbiter_granted_ivc_all(nonspec_first_arbiter_granted_ivc_all),
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| 244 |
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.granted_dest_port_all(granted_dest_port_all),
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| 245 |
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.any_ivc_sw_request_granted_all(any_ivc_sw_request_granted_all),
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| 246 |
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.any_ovc_granted_in_outport_all(any_ovc_granted_in_outport_all),
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| 247 |
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.vc_weight_is_consumed_all(vc_weight_is_consumed_all),
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| 248 |
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.iport_weight_is_consumed_all(iport_weight_is_consumed_all),
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| 249 |
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.pck_is_single_flit_all(pck_is_single_flit_all),
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| 250 |
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.granted_dst_is_from_a_single_flit_pck(granted_dst_is_from_a_single_flit_pck),
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| 251 |
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.clk(clk),
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| 252 |
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.reset(reset)
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| 253 |
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);
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| 254 |
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| 255 |
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end else begin :cmb_v1
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| 256 |
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| 257 |
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comb_nonspec_allocator #(
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| 258 |
56 |
alirezamon |
.NOC_ID(NOC_ID),
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| 259 |
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.P(P)
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| 260 |
54 |
alirezamon |
)
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| 261 |
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nonspec_comb
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| 262 |
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(
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| 263 |
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.ivc_info(ivc_info),
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| 264 |
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.dest_port_all(dest_port_all),
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| 265 |
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.masked_ovc_request_all(masked_ovc_request_all),
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| 266 |
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.ovc_allocated_all(ovc_allocated_all),
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| 267 |
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.granted_ovc_num_all(granted_ovc_num_all),
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| 268 |
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.ivc_num_getting_ovc_grant(ivc_num_getting_ovc_grant),
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| 269 |
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.ivc_num_getting_sw_grant(ivc_num_getting_sw_grant),
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| 270 |
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.nonspec_first_arbiter_granted_ivc_all(nonspec_first_arbiter_granted_ivc_all),
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| 271 |
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.granted_dest_port_all(granted_dest_port_all),
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| 272 |
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.any_ivc_sw_request_granted_all(any_ivc_sw_request_granted_all),
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| 273 |
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.any_ovc_granted_in_outport_all(any_ovc_granted_in_outport_all),
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| 274 |
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.vc_weight_is_consumed_all(vc_weight_is_consumed_all),
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| 275 |
|
|
.iport_weight_is_consumed_all(iport_weight_is_consumed_all),
|
| 276 |
|
|
.pck_is_single_flit_all(pck_is_single_flit_all),
|
| 277 |
|
|
.granted_dst_is_from_a_single_flit_pck(granted_dst_is_from_a_single_flit_pck),
|
| 278 |
|
|
.clk(clk),
|
| 279 |
|
|
.reset(reset)
|
| 280 |
|
|
);
|
| 281 |
|
|
end
|
| 282 |
|
|
|
| 283 |
|
|
assign nonspec_granted_dest_port_all = granted_dest_port_all;
|
| 284 |
|
|
assign spec_granted_dest_port_all = {PP_1{1'bx}};
|
| 285 |
|
|
assign spec_ovc_num_all = {PVV{1'bx}};
|
| 286 |
|
|
assign spec_first_arbiter_granted_ivc_all = nonspec_first_arbiter_granted_ivc_all ;
|
| 287 |
|
|
end
|
| 288 |
|
|
endgenerate
|
| 289 |
|
|
endmodule
|
