design/sys/iop/mcu/rtl/mcu_l2ecc_dp.v

// ========== Copyright Header Begin ==========================================
//
// OpenSPARC T2 Processor File: mcu_l2ecc_dp.v
// Copyright (C) 1995-2007 Sun Microsystems, Inc. All Rights Reserved
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module mcu_l2ecc_dp (
  din,
  mecc_err,
  pa_err,
  parity);
wire l2_eccgen_err;
wire dout_p0_1;
wire dout_p0_2;
wire dout_p0_3;
wire dout_p0_4;
wire dout_p0_5;
wire dout_p0_6;
wire dout_p0_7;
wire dout_p0_8;
wire dout_p1_1;
wire dout_p1_2;
wire dout_p1_3;
wire dout_p1_4;
wire dout_p1_5;
wire dout_p1_6;
wire dout_p1_7;
wire dout_p1_8;
wire dout_p2_1;
wire dout_p2_2;
wire dout_p2_3;
wire dout_p2_4;
wire dout_p2_5;
wire dout_p2_6;
wire dout_p2_7;
wire dout_p2_8;
wire dout_p3_1;
wire dout_p3_2;
wire dout_p3_3;
wire dout_p3_4;
wire dout_p3_5;
wire dout_p4_1;
wire dout_p4_2;
wire dout_p4_3;
wire dout_p4_4;
wire dout_p4_5;
wire dout_p5_1;
wire dout_p6_1;
wire dout_p6_2;
wire dout_p6_3;
wire dout_p6_4;
wire dout_p6_5;
wire dout_p6_6;
wire dout_p6_7;
wire dout_p6_8;


input  [31:0]   din;
input           mecc_err;       // ECC multi err
input           pa_err;         // Physical address err
output [6:0]    parity;

mcu_l2ecc_dp_or_macro__ports_2__width_1  u_mecc_pa_err        (.din0 (mecc_err), .din1 (pa_err), .dout (l2_eccgen_err) );
//
//      P0
//      Incase of mecc_err, flip 2 low order parity to flag L2 that theere is an mecc_err in the current data
//
mcu_l2ecc_dp_xor_macro__ports_3__width_1 p0_1        ( .din0 ( din[0] ),    .din1 ( din[1] ),    .din2 ( din[3] ),    .dout ( dout_p0_1 ));
mcu_l2ecc_dp_xor_macro__ports_3__width_1 p0_2        ( .din0 ( din[4] ),    .din1 ( din[6] ),    .din2 ( din[8] ),    .dout ( dout_p0_2 ));
mcu_l2ecc_dp_xor_macro__ports_3__width_1 p0_3        ( .din0 ( din[10] ),   .din1 ( din[11] ),   .din2 ( din[13] ),   .dout ( dout_p0_3 ));
mcu_l2ecc_dp_xor_macro__ports_3__width_1 p0_4        ( .din0 ( din[15] ),   .din1 ( din[17] ),   .din2 ( din[19] ),   .dout ( dout_p0_4 ));
mcu_l2ecc_dp_xor_macro__ports_3__width_1 p0_5        ( .din0 ( din[21] ),   .din1 ( din[23] ),   .din2 ( din[25] ),   .dout ( dout_p0_5 ));
mcu_l2ecc_dp_xor_macro__ports_3__width_1 p0_6        ( .din0 ( din[26] ),   .din1 ( din[28] ),   .din2 ( din[30] ),   .dout ( dout_p0_6 ));

mcu_l2ecc_dp_xor_macro__ports_3__width_1 p0_7        ( .din0 ( dout_p0_1 ), .din1 ( dout_p0_2 ), .din2 ( dout_p0_3 ), .dout ( dout_p0_7 ));
mcu_l2ecc_dp_xor_macro__ports_3__width_1 p0_8        ( .din0 ( dout_p0_4 ), .din1 ( dout_p0_5 ), .din2 ( dout_p0_6 ), .dout ( dout_p0_8 ));

mcu_l2ecc_dp_xor_macro__ports_3__width_1 p0_9        ( .din0 ( dout_p0_7 ), .din1 ( dout_p0_8 ), .din2 ( l2_eccgen_err ), .dout ( parity[0] ));

//
//      P1
//
mcu_l2ecc_dp_xor_macro__ports_3__width_1 p1_1        ( .din0 ( din[0] ),    .din1 ( din[2] ),    .din2 ( din[3] ),       .dout ( dout_p1_1 ));
mcu_l2ecc_dp_xor_macro__ports_3__width_1 p1_2        ( .din0 ( din[5] ),    .din1 ( din[6] ),    .din2 ( din[9] ),       .dout ( dout_p1_2 ));
mcu_l2ecc_dp_xor_macro__ports_3__width_1 p1_3        ( .din0 ( din[10] ),   .din1 ( din[12] ),   .din2 ( din[13] ),      .dout ( dout_p1_3 ));
mcu_l2ecc_dp_xor_macro__ports_3__width_1 p1_4        ( .din0 ( din[16] ),   .din1 ( din[17] ),   .din2 ( din[20] ),      .dout ( dout_p1_4 ));
mcu_l2ecc_dp_xor_macro__ports_3__width_1 p1_5        ( .din0 ( din[21] ),   .din1 ( din[24] ),   .din2 ( din[25] ),      .dout ( dout_p1_5 ));
mcu_l2ecc_dp_xor_macro__ports_3__width_1 p1_6        ( .din0 ( din[27] ),   .din1 ( din[28] ),   .din2 ( din[31] ),      .dout ( dout_p1_6 ));

mcu_l2ecc_dp_xor_macro__ports_3__width_1 p1_7        ( .din0 ( dout_p1_1 ), .din1 ( dout_p1_2 ), .din2 ( dout_p1_3 ), .dout ( dout_p1_7 ));
mcu_l2ecc_dp_xor_macro__ports_3__width_1 p1_8        ( .din0 ( dout_p1_4 ), .din1 ( dout_p1_5 ), .din2 ( dout_p1_6 ), .dout ( dout_p1_8 ));

mcu_l2ecc_dp_xor_macro__ports_3__width_1 p1_9        ( .din0 ( dout_p1_7 ), .din1 ( dout_p1_8 ), .din2 ( l2_eccgen_err ), .dout ( parity[1] ));

//
//      P2
//
mcu_l2ecc_dp_xor_macro__ports_3__width_1 p2_1        ( .din0 ( din[1] ),    .din1 ( din[2] ),    .din2 ( din[3] ),       .dout ( dout_p2_1 ));
mcu_l2ecc_dp_xor_macro__ports_3__width_1 p2_2        ( .din0 ( din[7] ),    .din1 ( din[8] ),    .din2 ( din[9] ),       .dout ( dout_p2_2 ));
mcu_l2ecc_dp_xor_macro__ports_3__width_1 p2_3        ( .din0 ( din[10] ),   .din1 ( din[14] ),   .din2 ( din[15] ),      .dout ( dout_p2_3 ));
mcu_l2ecc_dp_xor_macro__ports_3__width_1 p2_4        ( .din0 ( din[16] ),   .din1 ( din[17] ),   .din2 ( din[22] ),      .dout ( dout_p2_4 ));
mcu_l2ecc_dp_xor_macro__ports_3__width_1 p2_5        ( .din0 ( din[23] ),   .din1 ( din[24] ),   .din2 ( din[25] ),      .dout ( dout_p2_5 ));
mcu_l2ecc_dp_xor_macro__ports_3__width_1 p2_6        ( .din0 ( din[29] ),   .din1 ( din[30] ),   .din2 ( din[31] ),      .dout ( dout_p2_6 ));

mcu_l2ecc_dp_xor_macro__ports_3__width_1 p2_7        ( .din0 ( dout_p2_1 ), .din1 ( dout_p2_2 ), .din2 ( dout_p2_3 ), .dout ( dout_p2_7 ));
mcu_l2ecc_dp_xor_macro__ports_3__width_1 p2_8        ( .din0 ( dout_p2_4 ), .din1 ( dout_p2_5 ), .din2 ( dout_p2_6 ), .dout ( dout_p2_8 ));

mcu_l2ecc_dp_xor_macro__ports_3__width_1 p2_9        ( .din0 ( dout_p2_7 ), .din1 ( dout_p2_8 ), .din2 ( l2_eccgen_err ), .dout ( parity[2] ));

//
//      P3
//
mcu_l2ecc_dp_xor_macro__ports_3__width_1 p3_1        ( .din0 ( din[4] ),    .din1 ( din[5] ),    .din2 ( din[6] ),       .dout ( dout_p3_1 ));
mcu_l2ecc_dp_xor_macro__ports_3__width_1 p3_2        ( .din0 ( din[10] ),   .din1 ( din[18] ),   .din2 ( din[19] ),      .dout ( dout_p3_2 ));
mcu_l2ecc_dp_xor_macro__ports_3__width_1 p3_3        ( .din0 ( din[20] ),   .din1 ( din[21] ),   .din2 ( din[22] ),      .dout ( dout_p3_3 ));
mcu_l2ecc_dp_xor_macro__ports_3__width_1 p3_4        ( .din0 ( dout_p3_1 ), .din1 ( dout_p2_2 ), .din2 ( dout_p3_2 ), .dout ( dout_p3_4 ));
mcu_l2ecc_dp_xor_macro__ports_3__width_1 p3_5        ( .din0 ( dout_p3_4 ), .din1 ( dout_p2_5 ), .din2 ( dout_p3_3 ), .dout ( dout_p3_5 ));
mcu_l2ecc_dp_xor_macro__ports_2__width_1 p3_6        ( .din0 ( dout_p3_5 ), .din1 ( l2_eccgen_err ),                  .dout ( parity[3] ));

//
//      P4
//
mcu_l2ecc_dp_xor_macro__ports_3__width_1 p4_1        ( .din0 ( din[11] ),   .din1 ( din[12] ),   .din2 ( din[13] ),      .dout ( dout_p4_1 ));
mcu_l2ecc_dp_xor_macro__ports_3__width_1 p4_2        ( .din0 ( din[14] ),   .din1 ( din[15] ),   .din2 ( din[16] ),      .dout ( dout_p4_2 ));
mcu_l2ecc_dp_xor_macro__ports_3__width_1 p4_3        ( .din0 ( din[17] ),   .din1 ( din[18] ),   .din2 ( din[19] ),      .dout ( dout_p4_3 ));
mcu_l2ecc_dp_xor_macro__ports_3__width_1 p4_4        ( .din0 ( dout_p4_1 ), .din1 ( dout_p4_2 ), .din2 ( dout_p4_3 ), .dout ( dout_p4_4 ));
mcu_l2ecc_dp_xor_macro__ports_3__width_1 p4_5        ( .din0 ( dout_p4_4 ), .din1 ( dout_p2_5 ), .din2 ( dout_p3_3 ), .dout ( dout_p4_5 ));
mcu_l2ecc_dp_xor_macro__ports_2__width_1 p4_6        ( .din0 ( dout_p4_5 ), .din1 ( l2_eccgen_err ),                  .dout ( parity[4] ));

//
//      P5
//
mcu_l2ecc_dp_xor_macro__ports_3__width_1 p5_1        ( .din0 ( din[26] ),   .din1 ( din[27] ),   .din2 ( din[28] ),      .dout ( dout_p5_1 ));
mcu_l2ecc_dp_xor_macro__ports_3__width_1 p5_2        ( .din0 ( dout_p2_6 ), .din1 ( dout_p5_1 ),.din2 ( l2_eccgen_err ),.dout ( parity[5] ));

//
//      P6
//
mcu_l2ecc_dp_xor_macro__ports_3__width_1 p6_1        ( .din0 ( din[0] ),    .din1 ( din[1] ),    .din2 ( din[2] ),       .dout ( dout_p6_1 ));
mcu_l2ecc_dp_xor_macro__ports_3__width_1 p6_2        ( .din0 ( din[4] ),    .din1 ( din[5] ),    .din2 ( din[7] ),       .dout ( dout_p6_2 ));
mcu_l2ecc_dp_xor_macro__ports_3__width_1 p6_3        ( .din0 ( din[10] ),   .din1 ( din[11] ),   .din2 ( din[12] ),      .dout ( dout_p6_3 ));
mcu_l2ecc_dp_xor_macro__ports_3__width_1 p6_4        ( .din0 ( din[14] ),   .din1 ( din[17] ),   .din2 ( din[18] ),      .dout ( dout_p6_4 ));
mcu_l2ecc_dp_xor_macro__ports_3__width_1 p6_5        ( .din0 ( din[21] ),   .din1 ( din[23] ),   .din2 ( din[24] ),      .dout ( dout_p6_5 ));
mcu_l2ecc_dp_xor_macro__ports_3__width_1 p6_6        ( .din0 ( din[26] ),   .din1 ( din[27] ),   .din2 ( din[29] ),      .dout ( dout_p6_6 ));
mcu_l2ecc_dp_xor_macro__ports_3__width_1 p6_7        ( .din0 ( dout_p6_1 ), .din1 ( dout_p6_2 ), .din2 ( dout_p6_3 ), .dout ( dout_p6_7 ));
mcu_l2ecc_dp_xor_macro__ports_3__width_1 p6_8        ( .din0 ( dout_p6_4 ), .din1 ( dout_p6_5 ), .din2 ( dout_p6_6 ), .dout ( dout_p6_8 ));
mcu_l2ecc_dp_xor_macro__ports_3__width_1 p6_9        ( .din0 ( dout_p6_7 ), .din1 ( dout_p6_8 ), .din2 ( l2_eccgen_err ), .dout ( parity[6] ));

endmodule       // mcu_l2ecc_dp


//
//   or macro for ports = 2,3
//
//


module mcu_l2ecc_dp_or_macro__ports_2__width_1 (
  din0,
  din1,
  dout);
  input [0:0] din0;
  input [0:0] din1;
  output [0:0] dout;


or2 #(1)  d0_0 (
.in0(din0[0:0]),
.in1(din1[0:0]),
.out(dout[0:0])
);


endmodule


//
//   xor macro for ports = 2,3
//
//


module mcu_l2ecc_dp_xor_macro__ports_3__width_1 (
  din0,
  din1,
  din2,
  dout);
  input [0:0] din0;
  input [0:0] din1;
  input [0:0] din2;
  output [0:0] dout;


xor3 #(1)  d0_0 (
.in0(din0[0:0]),
.in1(din1[0:0]),
.in2(din2[0:0]),
.out(dout[0:0])
);


endmodule


//
//   xor macro for ports = 2,3
//
//


module mcu_l2ecc_dp_xor_macro__ports_2__width_1 (
  din0,
  din1,
  dout);
  input [0:0] din0;
  input [0:0] din1;
  output [0:0] dout;


xor2 #(1)  d0_0 (
.in0(din0[0:0]),
.in1(din1[0:0]),
.out(dout[0:0])
);


endmodule