design/sys/iop/l2t/rtl/l2t_dir_ctl.v

// ========== Copyright Header Begin ==========================================
//
// OpenSPARC T2 Processor File: l2t_dir_ctl.v
// Copyright (C) 1995-2007 Sun Microsystems, Inc. All Rights Reserved
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module l2t_dir_ctl (
  aclk,
  bclk,
  dirlbf_lkup_en_c4_buf,
  dirlbf_inval_mask_c4_buf,
  dirlbf_rw_dec_c4_buf,
  dirlbf_rd_en_c4_buf,
  dirlbf_wr_en_c4_buf,
  dirlbf_rw_entry_c4_buf,
  dirlbf_dir_clear_c4_buf,
  l1clk,
  scan_in,
  scan_out,
  dir_rd_data_en_c4,
  dir_wr_data_en_c4,
  dir_cam_en_c4,
  dir_rw_entry_c4,
  dir_inval_mask_c4,
  dir_warm_rst_c4,
  select_panel0,
  select_panel1,
  select_panel2,
  select_panel3,
  l2t_mb0_run);
wire siclk;
wire soclk;
wire spares_scanin;
wire spares_scanout;
wire l2t_mb0_run_r1;
wire ff_rd_data_en_c5_en_scanin;
wire ff_rd_data_en_c5_en_scanout;
wire ff_rd_data_en_c5_scanin;
wire ff_rd_data_en_c5_scanout;
wire ff_select_panel0_scanin;
wire ff_select_panel0_scanout;


input           aclk;
input           bclk;
input   [3:0]   dirlbf_lkup_en_c4_buf ;  // Right
input   [7:0]   dirlbf_inval_mask_c4_buf ; // Right
input   [3:0]   dirlbf_rw_dec_c4_buf; // Right
input           dirlbf_rd_en_c4_buf ; // Right
input           dirlbf_wr_en_c4_buf ; // Right
input   [5:0]   dirlbf_rw_entry_c4_buf; // BS and SR 11/18/03 Reverse Directory change
input           dirlbf_dir_clear_c4_buf ; //
input           l1clk;
input           scan_in;
output          scan_out;

output  [3:0]   dir_rd_data_en_c4; //( 0 leftTOp, 1 rightTOp, 2 leftBOttom 3 RightBottom )
output  [3:0]   dir_wr_data_en_c4;
output  [3:0]   dir_cam_en_c4; //( 0 leftTOp, 1 rightTOp, 2 leftBOttom 3 RightBottom )

// Pins on TOP
output  [5:0]   dir_rw_entry_c4; // BS and SR 11/18/03 Reverse Directory change
output  [7:0]   dir_inval_mask_c4; // one output
output          dir_warm_rst_c4;
output          select_panel0 ;
output          select_panel1 ;
output          select_panel2 ;
output          select_panel3 ;
input           l2t_mb0_run;


//////////////////////////////////////////////////
// L1 clk header
//////////////////////////////////////////////////
assign siclk = aclk;
assign soclk = bclk;
//////////////////////////////////////////
// Spare gate insertion
//////////////////////////////////////////
l2t_dir_ctl_spare_ctl_macro__num_4 spares  (
        .scan_in(spares_scanin),
        .scan_out(spares_scanout),
        .l1clk  (l1clk),
  .siclk(siclk),
  .soclk(soclk)
);
//////////////////////////////////////////
wire    [3:0]   rd_data_en_c5;  //( 0 leftTOp, 1 rightTOp, 2 leftBOttom 3 RightBottom )

assign  dir_warm_rst_c4 = dirlbf_dir_clear_c4_buf ;
assign  dir_rd_data_en_c4 = {4{dirlbf_rd_en_c4_buf}} & dirlbf_rw_dec_c4_buf ;
assign  dir_wr_data_en_c4 = l2t_mb0_run_r1 ? ({4{dirlbf_wr_en_c4_buf}} & dirlbf_rw_dec_c4_buf) :
                 ({4{dirlbf_wr_en_c4_buf & ~dir_warm_rst_c4}} & dirlbf_rw_dec_c4_buf);

l2t_dir_ctl_msff_ctl_macro__width_3 ff_rd_data_en_c5_en
        (
        .dout   ({l2t_mb0_run_r1,rd_data_en_c5[1:0]}),
        .din ({l2t_mb0_run,dir_rd_data_en_c4[1:0]}),
        .scan_in(ff_rd_data_en_c5_en_scanin),
        .scan_out(ff_rd_data_en_c5_en_scanout),
        .l1clk (l1clk),
  .siclk(siclk),
  .soclk(soclk)
        );

l2t_dir_ctl_msff_ctl_macro__width_2 ff_rd_data_en_c5
                (.dout   (rd_data_en_c5[3:2]), .din (dir_rd_data_en_c4[3:2]),
                .scan_in(ff_rd_data_en_c5_scanin),
                .scan_out(ff_rd_data_en_c5_scanout),
                .l1clk (l1clk),
  .siclk(siclk),
  .soclk(soclk)
              );
l2t_dir_ctl_msff_ctl_macro__width_4 ff_select_panel0
       (
        .scan_in(ff_select_panel0_scanin),
        .scan_out(ff_select_panel0_scanout),
        .dout   ({select_panel3,select_panel2,select_panel1,select_panel0}),
        .din (rd_data_en_c5[3:0]),
        .l1clk (l1clk),
  .siclk(siclk),
  .soclk(soclk)
      );

assign  dir_cam_en_c4[3:0] = dirlbf_lkup_en_c4_buf[3:0];
assign  dir_inval_mask_c4[7:0]  = dirlbf_inval_mask_c4_buf[7:0];
assign  dir_rw_entry_c4[5:0] =  dirlbf_rw_entry_c4_buf[5:0];

// fixscan start:
assign spares_scanin             = scan_in                  ;
assign ff_rd_data_en_c5_en_scanin = spares_scanout           ;
assign ff_rd_data_en_c5_scanin   = ff_rd_data_en_c5_en_scanout;
assign ff_select_panel0_scanin   = ff_rd_data_en_c5_scanout ;
assign scan_out                  = ff_select_panel0_scanout ;
// fixscan end:
endmodule


//  Description:        Spare gate macro for control blocks
//
//  Param num controls the number of times the macro is added
//  flops=0 can be used to use only combination spare logic


module l2t_dir_ctl_spare_ctl_macro__num_4 (
  l1clk,
  scan_in,
  siclk,
  soclk,
  scan_out);
wire si_0;
wire so_0;
wire spare0_flop_unused;
wire spare0_buf_32x_unused;
wire spare0_nand3_8x_unused;
wire spare0_inv_8x_unused;
wire spare0_aoi22_4x_unused;
wire spare0_buf_8x_unused;
wire spare0_oai22_4x_unused;
wire spare0_inv_16x_unused;
wire spare0_nand2_16x_unused;
wire spare0_nor3_4x_unused;
wire spare0_nand2_8x_unused;
wire spare0_buf_16x_unused;
wire spare0_nor2_16x_unused;
wire spare0_inv_32x_unused;
wire si_1;
wire so_1;
wire spare1_flop_unused;
wire spare1_buf_32x_unused;
wire spare1_nand3_8x_unused;
wire spare1_inv_8x_unused;
wire spare1_aoi22_4x_unused;
wire spare1_buf_8x_unused;
wire spare1_oai22_4x_unused;
wire spare1_inv_16x_unused;
wire spare1_nand2_16x_unused;
wire spare1_nor3_4x_unused;
wire spare1_nand2_8x_unused;
wire spare1_buf_16x_unused;
wire spare1_nor2_16x_unused;
wire spare1_inv_32x_unused;
wire si_2;
wire so_2;
wire spare2_flop_unused;
wire spare2_buf_32x_unused;
wire spare2_nand3_8x_unused;
wire spare2_inv_8x_unused;
wire spare2_aoi22_4x_unused;
wire spare2_buf_8x_unused;
wire spare2_oai22_4x_unused;
wire spare2_inv_16x_unused;
wire spare2_nand2_16x_unused;
wire spare2_nor3_4x_unused;
wire spare2_nand2_8x_unused;
wire spare2_buf_16x_unused;
wire spare2_nor2_16x_unused;
wire spare2_inv_32x_unused;
wire si_3;
wire so_3;
wire spare3_flop_unused;
wire spare3_buf_32x_unused;
wire spare3_nand3_8x_unused;
wire spare3_inv_8x_unused;
wire spare3_aoi22_4x_unused;
wire spare3_buf_8x_unused;
wire spare3_oai22_4x_unused;
wire spare3_inv_16x_unused;
wire spare3_nand2_16x_unused;
wire spare3_nor3_4x_unused;
wire spare3_nand2_8x_unused;
wire spare3_buf_16x_unused;
wire spare3_nor2_16x_unused;
wire spare3_inv_32x_unused;


input           l1clk;
input           scan_in;
input           siclk;
input           soclk;
output          scan_out;

cl_sc1_msff_8x spare0_flop (.l1clk(l1clk),
                               .siclk(siclk),
                               .soclk(soclk),
                               .si(si_0),
                               .so(so_0),
                               .d(1'b0),
                               .q(spare0_flop_unused));
assign si_0 = scan_in;

cl_u1_buf_32x   spare0_buf_32x (.in(1'b1),
                                   .out(spare0_buf_32x_unused));
cl_u1_nand3_8x spare0_nand3_8x (.in0(1'b1),
                                   .in1(1'b1),
                                   .in2(1'b1),
                                   .out(spare0_nand3_8x_unused));
cl_u1_inv_8x    spare0_inv_8x (.in(1'b1),
                                  .out(spare0_inv_8x_unused));
cl_u1_aoi22_4x spare0_aoi22_4x (.in00(1'b1),
                                   .in01(1'b1),
                                   .in10(1'b1),
                                   .in11(1'b1),
                                   .out(spare0_aoi22_4x_unused));
cl_u1_buf_8x    spare0_buf_8x (.in(1'b1),
                                  .out(spare0_buf_8x_unused));
cl_u1_oai22_4x spare0_oai22_4x (.in00(1'b1),
                                   .in01(1'b1),
                                   .in10(1'b1),
                                   .in11(1'b1),
                                   .out(spare0_oai22_4x_unused));
cl_u1_inv_16x   spare0_inv_16x (.in(1'b1),
                                   .out(spare0_inv_16x_unused));
cl_u1_nand2_16x spare0_nand2_16x (.in0(1'b1),
                                     .in1(1'b1),
                                     .out(spare0_nand2_16x_unused));
cl_u1_nor3_4x spare0_nor3_4x (.in0(1'b0),
                                 .in1(1'b0),
                                 .in2(1'b0),
                                 .out(spare0_nor3_4x_unused));
cl_u1_nand2_8x spare0_nand2_8x (.in0(1'b1),
                                   .in1(1'b1),
                                   .out(spare0_nand2_8x_unused));
cl_u1_buf_16x   spare0_buf_16x (.in(1'b1),
                                   .out(spare0_buf_16x_unused));
cl_u1_nor2_16x spare0_nor2_16x (.in0(1'b0),
                                   .in1(1'b0),
                                   .out(spare0_nor2_16x_unused));
cl_u1_inv_32x   spare0_inv_32x (.in(1'b1),
                                   .out(spare0_inv_32x_unused));

cl_sc1_msff_8x spare1_flop (.l1clk(l1clk),
                               .siclk(siclk),
                               .soclk(soclk),
                               .si(si_1),
                               .so(so_1),
                               .d(1'b0),
                               .q(spare1_flop_unused));
assign si_1 = so_0;

cl_u1_buf_32x   spare1_buf_32x (.in(1'b1),
                                   .out(spare1_buf_32x_unused));
cl_u1_nand3_8x spare1_nand3_8x (.in0(1'b1),
                                   .in1(1'b1),
                                   .in2(1'b1),
                                   .out(spare1_nand3_8x_unused));
cl_u1_inv_8x    spare1_inv_8x (.in(1'b1),
                                  .out(spare1_inv_8x_unused));
cl_u1_aoi22_4x spare1_aoi22_4x (.in00(1'b1),
                                   .in01(1'b1),
                                   .in10(1'b1),
                                   .in11(1'b1),
                                   .out(spare1_aoi22_4x_unused));
cl_u1_buf_8x    spare1_buf_8x (.in(1'b1),
                                  .out(spare1_buf_8x_unused));
cl_u1_oai22_4x spare1_oai22_4x (.in00(1'b1),
                                   .in01(1'b1),
                                   .in10(1'b1),
                                   .in11(1'b1),
                                   .out(spare1_oai22_4x_unused));
cl_u1_inv_16x   spare1_inv_16x (.in(1'b1),
                                   .out(spare1_inv_16x_unused));
cl_u1_nand2_16x spare1_nand2_16x (.in0(1'b1),
                                     .in1(1'b1),
                                     .out(spare1_nand2_16x_unused));
cl_u1_nor3_4x spare1_nor3_4x (.in0(1'b0),
                                 .in1(1'b0),
                                 .in2(1'b0),
                                 .out(spare1_nor3_4x_unused));
cl_u1_nand2_8x spare1_nand2_8x (.in0(1'b1),
                                   .in1(1'b1),
                                   .out(spare1_nand2_8x_unused));
cl_u1_buf_16x   spare1_buf_16x (.in(1'b1),
                                   .out(spare1_buf_16x_unused));
cl_u1_nor2_16x spare1_nor2_16x (.in0(1'b0),
                                   .in1(1'b0),
                                   .out(spare1_nor2_16x_unused));
cl_u1_inv_32x   spare1_inv_32x (.in(1'b1),
                                   .out(spare1_inv_32x_unused));

cl_sc1_msff_8x spare2_flop (.l1clk(l1clk),
                               .siclk(siclk),
                               .soclk(soclk),
                               .si(si_2),
                               .so(so_2),
                               .d(1'b0),
                               .q(spare2_flop_unused));
assign si_2 = so_1;

cl_u1_buf_32x   spare2_buf_32x (.in(1'b1),
                                   .out(spare2_buf_32x_unused));
cl_u1_nand3_8x spare2_nand3_8x (.in0(1'b1),
                                   .in1(1'b1),
                                   .in2(1'b1),
                                   .out(spare2_nand3_8x_unused));
cl_u1_inv_8x    spare2_inv_8x (.in(1'b1),
                                  .out(spare2_inv_8x_unused));
cl_u1_aoi22_4x spare2_aoi22_4x (.in00(1'b1),
                                   .in01(1'b1),
                                   .in10(1'b1),
                                   .in11(1'b1),
                                   .out(spare2_aoi22_4x_unused));
cl_u1_buf_8x    spare2_buf_8x (.in(1'b1),
                                  .out(spare2_buf_8x_unused));
cl_u1_oai22_4x spare2_oai22_4x (.in00(1'b1),
                                   .in01(1'b1),
                                   .in10(1'b1),
                                   .in11(1'b1),
                                   .out(spare2_oai22_4x_unused));
cl_u1_inv_16x   spare2_inv_16x (.in(1'b1),
                                   .out(spare2_inv_16x_unused));
cl_u1_nand2_16x spare2_nand2_16x (.in0(1'b1),
                                     .in1(1'b1),
                                     .out(spare2_nand2_16x_unused));
cl_u1_nor3_4x spare2_nor3_4x (.in0(1'b0),
                                 .in1(1'b0),
                                 .in2(1'b0),
                                 .out(spare2_nor3_4x_unused));
cl_u1_nand2_8x spare2_nand2_8x (.in0(1'b1),
                                   .in1(1'b1),
                                   .out(spare2_nand2_8x_unused));
cl_u1_buf_16x   spare2_buf_16x (.in(1'b1),
                                   .out(spare2_buf_16x_unused));
cl_u1_nor2_16x spare2_nor2_16x (.in0(1'b0),
                                   .in1(1'b0),
                                   .out(spare2_nor2_16x_unused));
cl_u1_inv_32x   spare2_inv_32x (.in(1'b1),
                                   .out(spare2_inv_32x_unused));

cl_sc1_msff_8x spare3_flop (.l1clk(l1clk),
                               .siclk(siclk),
                               .soclk(soclk),
                               .si(si_3),
                               .so(so_3),
                               .d(1'b0),
                               .q(spare3_flop_unused));
assign si_3 = so_2;

cl_u1_buf_32x   spare3_buf_32x (.in(1'b1),
                                   .out(spare3_buf_32x_unused));
cl_u1_nand3_8x spare3_nand3_8x (.in0(1'b1),
                                   .in1(1'b1),
                                   .in2(1'b1),
                                   .out(spare3_nand3_8x_unused));
cl_u1_inv_8x    spare3_inv_8x (.in(1'b1),
                                  .out(spare3_inv_8x_unused));
cl_u1_aoi22_4x spare3_aoi22_4x (.in00(1'b1),
                                   .in01(1'b1),
                                   .in10(1'b1),
                                   .in11(1'b1),
                                   .out(spare3_aoi22_4x_unused));
cl_u1_buf_8x    spare3_buf_8x (.in(1'b1),
                                  .out(spare3_buf_8x_unused));
cl_u1_oai22_4x spare3_oai22_4x (.in00(1'b1),
                                   .in01(1'b1),
                                   .in10(1'b1),
                                   .in11(1'b1),
                                   .out(spare3_oai22_4x_unused));
cl_u1_inv_16x   spare3_inv_16x (.in(1'b1),
                                   .out(spare3_inv_16x_unused));
cl_u1_nand2_16x spare3_nand2_16x (.in0(1'b1),
                                     .in1(1'b1),
                                     .out(spare3_nand2_16x_unused));
cl_u1_nor3_4x spare3_nor3_4x (.in0(1'b0),
                                 .in1(1'b0),
                                 .in2(1'b0),
                                 .out(spare3_nor3_4x_unused));
cl_u1_nand2_8x spare3_nand2_8x (.in0(1'b1),
                                   .in1(1'b1),
                                   .out(spare3_nand2_8x_unused));
cl_u1_buf_16x   spare3_buf_16x (.in(1'b1),
                                   .out(spare3_buf_16x_unused));
cl_u1_nor2_16x spare3_nor2_16x (.in0(1'b0),
                                   .in1(1'b0),
                                   .out(spare3_nor2_16x_unused));
cl_u1_inv_32x   spare3_inv_32x (.in(1'b1),
                                   .out(spare3_inv_32x_unused));
assign scan_out = so_3;


endmodule


// any PARAMS parms go into naming of macro

module l2t_dir_ctl_msff_ctl_macro__width_3 (
  din,
  l1clk,
  scan_in,
  siclk,
  soclk,
  dout,
  scan_out);
wire [2:0] fdin;
wire [1:0] so;

  input [2:0] din;
  input l1clk;
  input scan_in;


  input siclk;
  input soclk;

  output [2:0] dout;
  output scan_out;
assign fdin[2:0] = din[2:0];


dff #(3)  d0_0 (
.l1clk(l1clk),
.siclk(siclk),
.soclk(soclk),
.d(fdin[2:0]),
.si({scan_in,so[1:0]}),
.so({so[1:0],scan_out}),
.q(dout[2:0])
);


endmodule


// any PARAMS parms go into naming of macro

module l2t_dir_ctl_msff_ctl_macro__width_2 (
  din,
  l1clk,
  scan_in,
  siclk,
  soclk,
  dout,
  scan_out);
wire [1:0] fdin;
wire [0:0] so;

  input [1:0] din;
  input l1clk;
  input scan_in;


  input siclk;
  input soclk;

  output [1:0] dout;
  output scan_out;
assign fdin[1:0] = din[1:0];


dff #(2)  d0_0 (
.l1clk(l1clk),
.siclk(siclk),
.soclk(soclk),
.d(fdin[1:0]),
.si({scan_in,so[0:0]}),
.so({so[0:0],scan_out}),
.q(dout[1:0])
);


endmodule


// any PARAMS parms go into naming of macro

module l2t_dir_ctl_msff_ctl_macro__width_4 (
  din,
  l1clk,
  scan_in,
  siclk,
  soclk,
  dout,
  scan_out);
wire [3:0] fdin;
wire [2:0] so;

  input [3:0] din;
  input l1clk;
  input scan_in;


  input siclk;
  input soclk;

  output [3:0] dout;
  output scan_out;
assign fdin[3:0] = din[3:0];


dff #(4)  d0_0 (
.l1clk(l1clk),
.siclk(siclk),
.soclk(soclk),
.d(fdin[3:0]),
.si({scan_in,so[2:0]}),
.so({so[2:0],scan_out}),
.q(dout[3:0])
);


endmodule