design/sys/iop/l2t/rtl/l2t_l2drpt_dp.v

// ========== Copyright Header Begin ==========================================
//
// OpenSPARC T2 Processor File: l2t_l2drpt_dp.v
// Copyright (C) 1995-2007 Sun Microsystems, Inc. All Rights Reserved
// 4150 Network Circle, Santa Clara, California 95054, U.S.A.
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// ========== Copyright Header End ============================================
module  l2t_l2drpt_dp (
  l2clk,
  tcu_pce_ov,
  tcu_aclk,
  tcu_bclk,
  tcu_scan_en,
  tcu_clk_stop,
  scan_in,
  scan_out,
  arb_l2drpt_waysel_gate_c1,
  mbist_run,
  misbuf_tag_hit_unqual_c2,
  arb_inst_vld_c2_prev,
  csr_l2_bypass_mode_on,
  arb_decdp_ld64_inst_c1,
  tag_way_sel_c2,
  tagctl_l2drpt_mux4_way_sel_c1,
  vlddir_vuad_valid_c2,
  tag_rdma_gate_off_c2,
  tag_l2d_way_sel_c2,
  tagdp_lru_way_sel_c3,
  arb_evict_vld_c2,
  tagdp_tag_par_err_c3);
wire pce_ov;
wire siclk;
wire soclk;
wire stop;
wire se;
wire ld64_l2_bypass_mode_on_c1;
wire arb_inst_vld_c2_prev_n;
wire [15:0] temp_way_sel_c2_n;
wire mbist_run_r1_n;
wire tagdp_tag_par_err_c3_n;
wire tag_rdma_gate_off_c2_n;
wire [15:0] temp_way_sel_c2;
wire mbist_run_r1;
wire ld64_l2_bypass_mode_on_c1_qual;
wire arb_evict_vld_c2_qual;
wire arb_inst_vld_c2_prev_qual;
wire ff_all_signals_scanin;
wire ff_all_signals_scanout;
wire arb_waysel_gate_c2;
wire arb_waysel_inst_vld_c2;
wire ld64_l2_bypass_mode_on_c2;
wire evict_unqual_vld_c3;
wire term_2_qual;
wire [15:0] hit_way_n;
wire [15:0] replace_way_n;
wire [15:0] tag_l2d_way_sel_c2_fnl_1;
wire [15:0] tag_l2d_way_sel_c2_fnl_n;
wire vld_mbf_miss_c2_1;
wire vld_mbf_miss_c2_2;
wire vld_mbf_miss_c2_3;
wire vld_mbf_miss_c2_4;


input           l2clk;
input           tcu_pce_ov;
input           tcu_aclk;
input           tcu_bclk;
input           tcu_scan_en;
input           tcu_clk_stop;
input           scan_in;
output          scan_out;

input           arb_l2drpt_waysel_gate_c1;
input           mbist_run;
input           misbuf_tag_hit_unqual_c2;
input           arb_inst_vld_c2_prev;
input           csr_l2_bypass_mode_on;
input           arb_decdp_ld64_inst_c1;

input   [15:0]  tag_way_sel_c2; // from the tag
input   [15:0]  tagctl_l2drpt_mux4_way_sel_c1; // from the tag
input   [15:0]  vlddir_vuad_valid_c2; // from vuad dp
input           tag_rdma_gate_off_c2;

output  [15:0]  tag_l2d_way_sel_c2;
input   [15:0]  tagdp_lru_way_sel_c3;


input           arb_evict_vld_c2;
input           tagdp_tag_par_err_c3;
//input           arb_waysel_gate_c2;

assign pce_ov = tcu_pce_ov;
assign siclk = tcu_aclk;
assign soclk = tcu_bclk;
assign stop = tcu_clk_stop;
assign se = tcu_scan_en;


l2t_l2drpt_dp_nor_macro__dnor_4x__ports_3__stack_2r__width_1 nor_ld64_l2_bypass_mode_on_c1
        (
        .dout   (ld64_l2_bypass_mode_on_c1),
        .din0   (arb_decdp_ld64_inst_c1),
        .din1   (csr_l2_bypass_mode_on),
        .din2   (arb_inst_vld_c2_prev_n)
        );


l2t_l2drpt_dp_inv_macro__dinv_32x__width_20 inv_all_signals
        (
        .dout   ({temp_way_sel_c2_n[15:0],
                  mbist_run_r1_n,
                  tagdp_tag_par_err_c3_n,
                  tag_rdma_gate_off_c2_n,
                  arb_inst_vld_c2_prev_n}),
        .din    ({temp_way_sel_c2[15:0],
                  mbist_run_r1,
                  tagdp_tag_par_err_c3,
                  tag_rdma_gate_off_c2,
                  arb_inst_vld_c2_prev})
        );


l2t_l2drpt_dp_mux_macro__dmux_8x__mux_aonpe__ports_2__width_3 mux_misc_signals
        (
        .dout   ({ld64_l2_bypass_mode_on_c1_qual,arb_evict_vld_c2_qual,arb_inst_vld_c2_prev_qual}),
        .din0   ({ld64_l2_bypass_mode_on_c1,arb_evict_vld_c2,arb_inst_vld_c2_prev}),
        .din1   (3'b0),
        .sel0   (mbist_run_r1_n),
        .sel1   (mbist_run_r1)
        );

l2t_l2drpt_dp_msff_macro__dmsff_32x__stack_26r__width_21 ff_all_signals
        (
        .scan_in(ff_all_signals_scanin),
        .scan_out(ff_all_signals_scanout),
        .dout   ({arb_waysel_gate_c2,
                   arb_waysel_inst_vld_c2,
                  temp_way_sel_c2[15:0],
                  ld64_l2_bypass_mode_on_c2,
                  evict_unqual_vld_c3,
                  mbist_run_r1}),
        .din    ({arb_l2drpt_waysel_gate_c1,
                  arb_inst_vld_c2_prev_qual,
                  tagctl_l2drpt_mux4_way_sel_c1[15:0],
                  ld64_l2_bypass_mode_on_c1_qual,
                  arb_evict_vld_c2_qual,
                  mbist_run}),
        .clk    (l2clk),
        .en     (1'b1),
  .se(se),
  .siclk(siclk),
  .soclk(soclk),
  .pce_ov(pce_ov),
  .stop(stop)
        );

l2t_l2drpt_dp_and_macro__dinv_48x__dnand_16x__ports_3__stack_2r__width_1 and_term_2_qual
        (
        .dout   (term_2_qual),
        .din0   (ld64_l2_bypass_mode_on_c2),
        .din1   (tag_rdma_gate_off_c2_n),
        .din2   (arb_waysel_gate_c2)
        );


l2t_l2drpt_dp_nand_macro__dnand_24x__ports_3__stack_16r__width_16 nand_term_2
        (
        .dout   (hit_way_n[15:0]),
        .din0   (tag_way_sel_c2[15:0]),
        .din1   (vlddir_vuad_valid_c2[15:0]),
        .din2   ({16{term_2_qual}})
        );


l2t_l2drpt_dp_nand_macro__dnand_24x__ports_3__stack_16r__width_16 nand_term_3
        (
        .dout   (replace_way_n[15:0]),
        .din0   (tagdp_lru_way_sel_c3[15:0]),
        .din1   ({16{evict_unqual_vld_c3}}),
        .din2   ({16{tagdp_tag_par_err_c3_n}})
        );
l2t_l2drpt_dp_nand_macro__dnand_24x__ports_3__stack_16r__width_16 nand_level_1
        (
        .dout   (tag_l2d_way_sel_c2_fnl_1[15:0]),
        .din0   (temp_way_sel_c2_n[15:0]),
        .din1   (hit_way_n[15:0]),
        .din2   (replace_way_n[15:0])
        );

//nand_macro nand_vld_mbf_miss_c2 (width=4,stack=4r,dnand=32x)
//      (
//      .dout   (vld_mbf_miss_c2),
//      .din0   (misbuf_tag_hit_unqual_c2),
//      .din1   (4{arb_waysel_inst_vld_c2)
//      );

l2t_l2drpt_dp_nand_macro__dnand_32x__stack_16r__width_5 nand_tag_l2d_way_sel_c2_fnl_slice1
        (
        .dout   ({tag_l2d_way_sel_c2_fnl_n[15:14],vld_mbf_miss_c2_1,       tag_l2d_way_sel_c2_fnl_n[13:12]}),
        .din0   ({tag_l2d_way_sel_c2_fnl_1[15:14],misbuf_tag_hit_unqual_c2,tag_l2d_way_sel_c2_fnl_1[13:12]}),
        .din1   ({{2{vld_mbf_miss_c2_1}},          arb_waysel_inst_vld_c2,  {2{vld_mbf_miss_c2_1}}})
        );


l2t_l2drpt_dp_nand_macro__dnand_32x__stack_16r__width_5 nand_tag_l2d_way_sel_c2_fnl_slice2
        (
        .dout   ({tag_l2d_way_sel_c2_fnl_n[11:10],vld_mbf_miss_c2_2,       tag_l2d_way_sel_c2_fnl_n[9:8]}),
        .din0   ({tag_l2d_way_sel_c2_fnl_1[11:10],misbuf_tag_hit_unqual_c2,tag_l2d_way_sel_c2_fnl_1[9:8]}),
        .din1   ({{2{vld_mbf_miss_c2_2}},          arb_waysel_inst_vld_c2,  {2{vld_mbf_miss_c2_2}}})
        );


l2t_l2drpt_dp_nand_macro__dnand_32x__stack_16r__width_5 nand_tag_l2d_way_sel_c2_fnl_slice3
        (
        .dout   ({tag_l2d_way_sel_c2_fnl_n[7:6],vld_mbf_miss_c2_3,       tag_l2d_way_sel_c2_fnl_n[5:4]}),
        .din0   ({tag_l2d_way_sel_c2_fnl_1[7:6],misbuf_tag_hit_unqual_c2,tag_l2d_way_sel_c2_fnl_1[5:4]}),
        .din1   ({{2{vld_mbf_miss_c2_3}},          arb_waysel_inst_vld_c2,  {2{vld_mbf_miss_c2_3}}})
        );


l2t_l2drpt_dp_nand_macro__dnand_32x__stack_16r__width_5 nand_tag_l2d_way_sel_c2_fnl_slice4
        (
        .dout   ({tag_l2d_way_sel_c2_fnl_n[3:2],vld_mbf_miss_c2_4,       tag_l2d_way_sel_c2_fnl_n[1:0]}),
        .din0   ({tag_l2d_way_sel_c2_fnl_1[3:2],misbuf_tag_hit_unqual_c2,tag_l2d_way_sel_c2_fnl_1[1:0]}),
        .din1   ({{2{vld_mbf_miss_c2_4}},          arb_waysel_inst_vld_c2,  {2{vld_mbf_miss_c2_4}}})
        );


l2t_l2drpt_dp_inv_macro__dinv_48x__stack_16r__width_16 inv_tag_l2d_way_sel_c2_n
        (
        .dout   (tag_l2d_way_sel_c2[15:0]),
        .din    (tag_l2d_way_sel_c2_fnl_n[15:0])
        );


// fixscan start:
assign ff_all_signals_scanin     = scan_in                  ;
assign scan_out                  = ff_all_signals_scanout   ;
// fixscan end:
endmodule


//
//   nor macro for ports = 2,3
//
//


module l2t_l2drpt_dp_nor_macro__dnor_4x__ports_3__stack_2r__width_1 (
  din0,
  din1,
  din2,
  dout);
  input [0:0] din0;
  input [0:0] din1;
  input [0:0] din2;
  output [0:0] dout;


nor3 #(1)  d0_0 (
.in0(din0[0:0]),
.in1(din1[0:0]),
.in2(din2[0:0]),
.out(dout[0:0])
);


endmodule


//
//   invert macro
//
//


module l2t_l2drpt_dp_inv_macro__dinv_32x__width_20 (
  din,
  dout);
  input [19:0] din;
  output [19:0] dout;


inv #(20)  d0_0 (
.in(din[19:0]),
.out(dout[19:0])
);


endmodule


// general mux macro for pass-gate and and-or muxes with/wout priority encoders
// also for pass-gate with decoder


// any PARAMS parms go into naming of macro

module l2t_l2drpt_dp_mux_macro__dmux_8x__mux_aonpe__ports_2__width_3 (
  din0,
  sel0,
  din1,
  sel1,
  dout);
wire buffout0;
wire buffout1;

  input [2:0] din0;
  input sel0;
  input [2:0] din1;
  input sel1;
  output [2:0] dout;


cl_dp1_muxbuff2_8x  c0_0 (
 .in0(sel0),
 .in1(sel1),
 .out0(buffout0),
 .out1(buffout1)
);
mux2s #(3)  d0_0 (
  .sel0(buffout0),
  .sel1(buffout1),
  .in0(din0[2:0]),
  .in1(din1[2:0]),
.dout(dout[2:0])
);


endmodule


// any PARAMS parms go into naming of macro

module l2t_l2drpt_dp_msff_macro__dmsff_32x__stack_26r__width_21 (
  din,
  clk,
  en,
  se,
  scan_in,
  siclk,
  soclk,
  pce_ov,
  stop,
  dout,
  scan_out);
wire l1clk;
wire siclk_out;
wire soclk_out;
wire [19:0] so;

  input [20:0] din;


  input clk;
  input en;
  input se;
  input scan_in;
  input siclk;
  input soclk;
  input pce_ov;
  input stop;


  output [20:0] dout;


  output scan_out;


cl_dp1_l1hdr_8x c0_0 (
.l2clk(clk),
.pce(en),
.aclk(siclk),
.bclk(soclk),
.l1clk(l1clk),
  .se(se),
  .pce_ov(pce_ov),
  .stop(stop),
  .siclk_out(siclk_out),
  .soclk_out(soclk_out)
);
dff #(21)  d0_0 (
.l1clk(l1clk),
.siclk(siclk_out),
.soclk(soclk_out),
.d(din[20:0]),
.si({scan_in,so[19:0]}),
.so({so[19:0],scan_out}),
.q(dout[20:0])
);


endmodule


//
//   and macro for ports = 2,3,4
//
//


module l2t_l2drpt_dp_and_macro__dinv_48x__dnand_16x__ports_3__stack_2r__width_1 (
  din0,
  din1,
  din2,
  dout);
  input [0:0] din0;
  input [0:0] din1;
  input [0:0] din2;
  output [0:0] dout;


and3 #(1)  d0_0 (
.in0(din0[0:0]),
.in1(din1[0:0]),
.in2(din2[0:0]),
.out(dout[0:0])
);


endmodule


//
//   nand macro for ports = 2,3,4
//
//


module l2t_l2drpt_dp_nand_macro__dnand_24x__ports_3__stack_16r__width_16 (
  din0,
  din1,
  din2,
  dout);
  input [15:0] din0;
  input [15:0] din1;
  input [15:0] din2;
  output [15:0] dout;


nand3 #(16)  d0_0 (
.in0(din0[15:0]),
.in1(din1[15:0]),
.in2(din2[15:0]),
.out(dout[15:0])
);


endmodule


//
//   nand macro for ports = 2,3,4
//
//


module l2t_l2drpt_dp_nand_macro__dnand_32x__stack_16r__width_5 (
  din0,
  din1,
  dout);
  input [4:0] din0;
  input [4:0] din1;
  output [4:0] dout;


nand2 #(5)  d0_0 (
.in0(din0[4:0]),
.in1(din1[4:0]),
.out(dout[4:0])
);


endmodule


//
//   invert macro
//
//


module l2t_l2drpt_dp_inv_macro__dinv_48x__stack_16r__width_16 (
  din,
  dout);
  input [15:0] din;
  output [15:0] dout;


inv #(16)  d0_0 (
.in(din[15:0]),
.out(dout[15:0])
);


endmodule