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Subversion Repositories an-fpga-implementation-of-low-latency-noc-based-mpsoc

[/] [an-fpga-implementation-of-low-latency-noc-based-mpsoc/] [trunk/] [mpsoc/] [rtl/] [src_noc/] [output_ports.sv] - Diff between revs 55 and 56

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Rev 55 Rev 56
Line 24... Line 24... 
**      output_ports module: contain output VC (OVC) status registers and credit counters,
 
**      output_ports module: contain output VC (OVC) status registers and credit counters,
 
**
 
**
 
**************************************************************/
 
**************************************************************/
 
 
 
 
 
 
 
 
 
module output_ports
 
module output_ports #(
 
    import pronoc_pkg::*;
 
    parameter NOC_ID=0,
 
 #(
 
    parameter P=5
 
    parameter P = 5 // router port num
 
 
 
)(
 
)(
 
    vsa_ovc_allocated_all,
 
    vsa_ovc_allocated_all,
 
    flit_is_tail_all,
 
    flit_is_tail_all,
 
 
 
 
 
    dest_port_all,
 
    dest_port_all,
Line 59... Line 58... 
    smart_ctrl_in,
 
    smart_ctrl_in,
 
    credit_init_val_in
 
    credit_init_val_in
 
);
 
);
 
 
 
 
 
 
 
 
 
 
 
        `NOC_CONF
 
 
 
 
 
 
 
    localparam
 
    function integer log2;
 
        PV      =    V        *    P,
 
      input integer number; begin
 
 
 
         log2=(number <=1) ? 1: 0;
 
 
 
         while(2**log2
 
 
 
            log2=log2+1;
 
 
 
         end
 
 
 
      end
 
 
 
    endfunction // log2
 
 
 
 
 
 
 
    localparam      PV      =    V        *    P,
 
 
 
                    VV      =   V       *  V,
 
                    VV      =   V       *  V,
 
                    PVV     =    PV        *  V,
 
                    PVV     =    PV        *  V,
 
                    P_1     =   ( SELF_LOOP_EN=="NO")?  P-1 : P,
 
                    P_1     =   ( SELF_LOOP_EN=="NO")?  P-1 : P,
 
                    VP_1    =    V        *     P_1,
 
                    VP_1    =    V        *     P_1,
 
                    PP_1    =    P_1    *    P,
 
                    PP_1    =    P_1    *    P,
 
                    PVP_1    =    PV        *    P_1;
 
                    PVP_1    =    PV        *    P_1;
 
 
 
 
 
 
 
 
 
    localparam  NORTH  =       2,
 
 
 
                SOUTH  =       4;
 
 
 
    localparam [V-1     :   0] ADAPTIVE_VC_MASK = ~ ESCAP_VC_MASK;
 
    localparam [V-1     :   0] ADAPTIVE_VC_MASK = ~ ESCAP_VC_MASK;
 
    localparam  CONG_ALw=   CONGw * P;   //  congestion width per router;
 
    localparam  CONG_ALw=   CONGw * P;   //  congestion width per router;
 
 
 
 
 
    input  [PV-1       :    0] vsa_ovc_allocated_all;
 
    input  [PV-1       :    0] vsa_ovc_allocated_all;
 
    input  [PV-1       :    0] flit_is_tail_all;
 
    input  [PV-1       :    0] flit_is_tail_all;
Line 293... Line 281... 
    for(i=0; i
 
    for(i=0; i
 
 
 
 
 
        assign assigned_ovc_num_all[(i+1)*V-1 : i*V] = ivc_info[i/V][i%V].assigned_ovc_num;
 
        assign assigned_ovc_num_all[(i+1)*V-1 : i*V] = ivc_info[i/V][i%V].assigned_ovc_num;
 
        assign ovc_is_assigned_all[i]=ivc_info[i/V][i%V].ovc_is_assigned;
 
        assign ovc_is_assigned_all[i]=ivc_info[i/V][i%V].ovc_is_assigned;
 
 
 
 
 
 
 
 
 
 
 
 
 
        credit_monitor_per_ovc  #(
 
        credit_monitor_per_ovc  #(
 
 
 
                .NOC_ID(NOC_ID),
 
                        .SW_LOC(i/V)
 
                        .SW_LOC(i/V)
 
                )
 
        )       credit_monitor (
 
                credit_monitor
 
 
 
                (
 
 
 
                        .credit_init_val_i(credit_init_val_in[i/V][i%V]),
 
                        .credit_init_val_i(credit_init_val_in[i/V][i%V]),
 
                        .credit_counter_o (credit_counter[i]),
 
                        .credit_counter_o (credit_counter[i]),
 
                        .credit_increased (credit_increased_all[i]),
 
                        .credit_increased (credit_increased_all[i]),
 
                        .credit_decreased(credit_decreased_all[i]),
 
                        .credit_decreased(credit_decreased_all[i]),
 
                        .empty_all_next(empty_all_next[i]),
 
                        .empty_all_next(empty_all_next[i]),
Line 487... Line 472... 
 
 
 
 
/*********************
 
/*********************
 
 *      credit_monitor_per_ovc
 
 *      credit_monitor_per_ovc
 
 ********************/
 
 ********************/
 
 
 
 
 
module   credit_monitor_per_ovc
 
module   credit_monitor_per_ovc  #(
 
        import pronoc_pkg::*;
 
    parameter NOC_ID=0,
 
        #(
 
 
 
        parameter SW_LOC=0
 
        parameter SW_LOC=0
 
        )(
 
        )(
 
                credit_init_val_i,
 
                credit_init_val_i,
 
                credit_increased,
 
                credit_increased,
 
                credit_decreased,
 
                credit_decreased,
Line 503... Line 487... 
                nearly_full_all_next,
 
                nearly_full_all_next,
 
                reset,
 
                reset,
 
                clk
 
                clk
 
        );
 
        );
 
 
 
 
 
 
 
        `NOC_CONF
 
 
 
 
 
        localparam
 
        localparam
 
        PORT_B = port_buffer_size(SW_LOC),
 
        PORT_B = port_buffer_size(SW_LOC),
 
        DEPTHw = log2(PORT_B+1);
 
        DEPTHw = log2(PORT_B+1);
 
 
 
 

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