design/sys/iop/rst/rtl/rst_ucbbusout4_ctl.v

// ========== Copyright Header Begin ==========================================
//
// OpenSPARC T2 Processor File: rst_ucbbusout4_ctl.v
// Copyright (C) 1995-2007 Sun Microsystems, Inc. All Rights Reserved
// 4150 Network Circle, Santa Clara, California 95054, U.S.A.
//
// * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
//
// This program is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation; version 2 of the License.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
//
// For the avoidance of doubt, and except that if any non-GPL license
// choice is available it will apply instead, Sun elects to use only
// the General Public License version 2 (GPLv2) at this time for any
// software where a choice of GPL license versions is made
// available with the language indicating that GPLv2 or any later version
// may be used, or where a choice of which version of the GPL is applied is
// otherwise unspecified.
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// Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
// CA 95054 USA or visit www.sun.com if you need additional information or
// have any questions.
//
// ========== Copyright Header End ============================================
`define   ASSERT               1'b0            // For active low signal.
`define DEASSERT               1'b1            // For active low signal.

`define INFO   20
                                               //                     (Origin:)
`define IOB_CREG_RESET_GEN    40'h89_0000_0808 //Adr of RESET_GEN    reg (Fire.)
`define IOB_CREG_RESET_SOURCE 40'h89_0000_0818 //Adr of RESET_SOURCE reg (Fire.)
`define IOB_CREG_SSYSRESET    40'h89_0000_0838 //Adr of SSYS_RESET   reg (N1.)
`define IOB_CREG_RESETSTAT    40'h89_0000_0810 //Adr of RSET_STAT    reg (N1.)
`define IOB_CREG_CCU_TIME     40'h89_0000_0860 //Adr of CCU_TIME     reg (N2.)
`define IOB_CREG_LOCK_TIME    40'h89_0000_0870 //Adr of LOCK_TIME    reg (N2.)
`define IOB_CREG_PROP_TIME    40'h89_0000_0880 //Adr of PROP_TIME    reg (N2.)
`define IOB_CREG_NIU_TIME     40'h89_0000_0890 //Adr of NIU_TIME     reg (N2.)
`define IOB_CREG_RESET_FEE    40'h89_0000_0820 //Adr of RESET_FEE    reg (N2.)
//________________________________________________________________

`define RST_FSM_WIDTH           33
`define RST_INIT_STATE          33'h0_0000_0001
`define POR1_LOCK_TIME          33'h0_0000_0002
`define POR1_ARST_TIME          33'h0_0000_0004
`define POR1_SYNC_STABLE        33'h0_0000_0008
`define POR1_ASICFLUSH_STOP_ACK 33'h0_0000_0010
`define POR1_NIU_TIME           33'h0_0000_0020
`define POR1_FLUSH_STOP_ACK     33'h0_0000_0040
`define POR1_BISX_DONE          33'h0_0000_0080
`define POR2_FLUSH_INIT_ACK     33'h0_0000_0100
`define POR2_LOCK_TIME          33'h0_0000_0200
`define POR2_FLUSH_STOP_ACK     33'h0_0000_0400
`define POR2_EFU_DONE           33'h0_0000_0800
`define POR2_ASSERT_RUN         33'h0_0000_1000
`define POR2_UNPARK_THREAD      33'h0_0000_2000
`define WMR1_WMR_GEN            33'h0_0000_4000
`define WMR1_DEASSERT_RUN       33'h0_0000_8000
`define WMR1_FLUSH_INIT_ACK     33'h0_0001_0000
`define WMR1_PRE_PLL1           33'h0_0002_0000
`define WMR1_PRE_PLL2           33'h0_0004_0000
`define WMR1_CCU_PLL            33'h0_0008_0000
`define WMR1_LOCK_TIME          33'h0_0010_0000
`define WMR1_ARST_TIME          33'h0_0020_0000
`define WMR1_PROP_TIME          33'h0_0040_0000
`define WMR1_SYNC_STABLE        33'h0_0080_0000
`define WMR1_FLUSH_STOP_ACK     33'h0_0100_0000
`define WMR1_BISX_DONE          33'h0_0200_0000
`define WMR2_FLUSH_INIT_ACK     33'h0_0400_0000
`define WMR2_PROP_TIME          33'h0_0800_0000
`define WMR2_FLUSH_STOP_ACK     33'h0_1000_0000
`define WMR2_NIU_TIME           33'h1_0000_0000
`define WMR2_ASSERT_RUN         33'h0_2000_0000
`define WMR2_UNPARK_THREAD      33'h0_4000_0000
`define RST_ARBITER             33'h0_8000_0000

`define XIR_IDLE                 2'h1
`define XIR_DONE                 2'h2

`define DMU_IDLE                 3'h1
`define DMU_TIME1                3'h2
`define DMU_TIME2                3'h4

`define NIU_IDLE                 2'h1
`define NIU_TIME                 2'h2
//________________________________________________________________

// Already taken addresses, in address order:
// sort -t "'" -k 2 /home/jl148824/project/NCU/include/iop.h:

//`define IOB_CREG_INTMAN            32'h00000000
//`define IOB_CREG_INTSTAT           32'h00000000
//`define IOB_CREG_INTCTL            32'h00000400
//`define IOB_CREG_MDATA0            32'h00000400
//`define IOB_CREG_MDATA1            32'h00000500
//`define IOB_CREG_MDATA0_ALIAS      32'h00000600
//`define IOB_CREG_MDATA1_ALIAS      32'h00000700
//`define IOB_CREG_INTVECDISP        32'h00000800
//                                   32'h00000808 // Adr of RESET_GEN    reg.
// Bill Bryg removed the CHIP_RESET reg from the Niagara 1 spec Feb 4 '03.
//`define IOB_CREG_RESETSTAT         32'h00000810 // Adr of RSET_STAT    reg.
//`define IOB_CREG_SERNUM            32'h00000820
//`define IOB_CREG_TMSTATCTRL        32'h00000828
//`define IOB_CREG_COREAVAIL         32'h00000830
//`define IOB_CREG_SSYSRESET         32'h00000838 // Adr of SSYS_RESET   reg.
//`define IOB_CREG_FUSESTAT          32'h00000840
//`define IOB_CREG_MARGIN            32'h00000850
//`define IOB_CREG_MBUSY             32'h00000900
//`define IOB_CREG_JINTV             32'h00000a00
//`define IOB_CREG_MBUSY_ALIAS       32'h00000b00
//`define IOB_CREG_DBG_IOBVIS_CTRL   32'h00001000
//`define IOB_CREG_DBG_L2VIS_CTRL    32'h00001800
//`define IOB_CREG_DBG_L2VIS_MASKA   32'h00001820
//`define IOB_CREG_DBG_L2VIS_MASKB   32'h00001828
//`define IOB_CREG_DBG_L2VIS_CMPA    32'h00001830
//`define IOB_CREG_DBG_L2VIS_CMPB    32'h00001838
//`define IOB_CREG_DBG_L2VIS_TRIG    32'h00001840
//`define IOB_CREG_DBG_ENET_CTRL     32'h00002000
//`define IOB_CREG_DBG_ENET_IDLEVAL  32'h00002008
//`define IOB_CREG_DBG_JBUS_CTRL     32'h00002100
//`define IOB_CREG_DBG_JBUS_LO_MASK0 32'h00002140
//`define IOB_CREG_DBG_JBUS_LO_CMP0  32'h00002148
//`define IOB_CREG_DBG_JBUS_LO_CNT0  32'h00002150
//`define IOB_CREG_DBG_JBUS_LO_MASK1 32'h00002160
//`define IOB_CREG_DBG_JBUS_LO_CMP1  32'h00002168
//`define IOB_CREG_DBG_JBUS_LO_CNT1  32'h00002170
//`define IOB_CREG_DBG_JBUS_HI_MASK0 32'h00002180
//`define IOB_CREG_DBG_JBUS_HI_CMP0  32'h00002188
//`define IOB_CREG_DBG_JBUS_HI_CNT0  32'h00002190
//`define IOB_CREG_DBG_JBUS_HI_MASK1 32'h000021a0
//`define IOB_CREG_DBG_JBUS_HI_CMP1  32'h000021a8
//`define IOB_CREG_DBG_JBUS_HI_CNT1  32'h000021b0
//________________________________________________________________

// Verilog define statements for:
//   rst_ucbbusin4_ctl.sv    and:
//   rst_ucbbusout4_ctl.sv:

`define UCB_BUS_WIDTH     4
`define UCB_BUS_WIDTH_M1  3
`define CYC_NUM          32
`define CYC_NUM_M1       31

`define RST_UCB_DATA_WIDTH 16
// Width of:
//   data_in_io            ;// Convert    from io  to cmp to sys.
//   data_in_sys           ;// Convert    from io  to cmp to sys.
//   data_out_sys2         ;// Convert    from sys to cmp.
//   data_out_cmp2         ;// Convert    from sys to cmp to io.
// The following stay 64 bits wide:
//   data_in               ;// Convert    from io  to cmp to sys.
//   data_out              ;// Converted  from        cmp to io.
// If you modify RST_UCB_DATA_WIDTH, adjust the width of x'b0 in
// the following two concatenations:
//   assign         data_out     [                   63:0] =
//   assign data_out_sys[`RST_UCB_DATA_WIDTH-1:0] =

`define RST_TIME_WIDTH 16
// Width of:
//   lock_time_addr    ? {32'b0, lock_time_q   [31:0] }:// LOCK_TIME
//   prop_time_addr    ? {32'b0, prop_time_q   [31:0] }:// PROP_TIME
//   niu_time_addr     ? {32'b0, niu_time_q    [31:0] }:// NIU_TIME
//   msff_ctl_macro lock_time_ff         (width=32,en=1,clr_=1)
//   msff_ctl_macro lock_count_ff        (width=32,en=0,clr_=1)
//   msff_ctl_macro prop_time_ff         (width=32,en=1,clr_=1)
//   msff_ctl_macro prop_count_ff        (width=32,en=0,clr_=1)
//   msff_ctl_macro niu_time_ff          (width=32,en=1,clr_=1)
//   msff_ctl_macro niu_count_ff         (width=32,en=0,clr_=1)
//   msff_ctl_macro dmu_time_ff          (width=32,en=1,clr_=1)
//   msff_ctl_macro dmu_count_ff         (width=32,en=0,clr_=1)


// `define UCB_BUS_WIDTH 4
// `define UCB_BUS_WIDTH_M1 3
// `define CYC_NUM 32
// `define CYC_NUM_M1 31

module rst_ucbbusout4_ctl (
  iol2clk,
  ucb_clr_io_,
  scan_in,
  scan_out,
  tcu_pce_ov,
  tcu_clk_stop,
  tcu_aclk,
  tcu_bclk,
  tcu_scan_en,
  vld,
  data,
  stall,
  outdata_buf_busy,
  outdata_buf_in,
  outdata_vec_in,
  outdata_buf_wr) ;
wire [31:0] outdata_vec;
wire [127:0] outdata_buf;
wire stall_d1_ff_scanin;
wire stall_d1_ff_scanout;
wire stall_d1;
wire l1clk;
wire load_outdata;
wire shift_outdata;
wire [31:0] outdata_vec_next;
wire outdata_vec_ff_scanin;
wire outdata_vec_ff_scanout;
wire [127:0] outdata_buf_next;
wire outdata_buf_ff_scanin;
wire outdata_buf_ff_scanout;
wire siclk;
wire soclk;
wire pce_ov;
wire stop;
wire se;


// Globals
input           iol2clk;
input           ucb_clr_io_;    //BP 8-19-05
input           scan_in;
output          scan_out;
input           tcu_pce_ov;
input           tcu_clk_stop;
input           tcu_aclk    ;
input           tcu_bclk    ;
input           tcu_scan_en ;

// UCB bus interface
output          vld;
output [`UCB_BUS_WIDTH_M1 :0]   data;
input           stall;

// Local interface
output          outdata_buf_busy;
input [127:0]   outdata_buf_in;
input [`CYC_NUM_M1 :0]  outdata_vec_in;
input           outdata_buf_wr;

// Local signals

////////////////////////////////////////////////////////////////////////
// Code starts here
////////////////////////////////////////////////////////////////////////
/************************************************************
 * UCB bus interface flops
 ************************************************************/
assign   vld = outdata_vec[0];
assign   data[`UCB_BUS_WIDTH_M1 :0] = outdata_buf[`UCB_BUS_WIDTH_M1 :0];

rst_ucbbusout4_ctl_msff_ctl_macro__clr__1__width_1 stall_d1_ff
                                (
                                .scan_in(stall_d1_ff_scanin),
                                .scan_out(stall_d1_ff_scanout),
                                .dout           (stall_d1),
                                .clr_           (ucb_clr_io_),  //BP 8-19-05
                                .l1clk          (l1clk),
                                .din            (stall),
  .siclk(siclk),
  .soclk(soclk)
                                );

/************************************************************
 * Outbound Data
 ************************************************************/
// accept new data only if there is none being processed
assign  load_outdata = outdata_buf_wr & ~outdata_buf_busy;

assign  outdata_buf_busy = outdata_vec[0] | stall_d1;

assign  shift_outdata = outdata_vec[0] & ~stall_d1;

assign  outdata_vec_next[`CYC_NUM_M1 :0] =
                                load_outdata  ? outdata_vec_in[`CYC_NUM_M1 :0] :
                                shift_outdata ? {1'b0,outdata_vec[`CYC_NUM_M1 :1]} :
                                                outdata_vec[`CYC_NUM_M1 :0] ;

rst_ucbbusout4_ctl_msff_ctl_macro__clr__1__width_32 outdata_vec_ff
                                (
                                .scan_in(outdata_vec_ff_scanin),
                                .scan_out(outdata_vec_ff_scanout),
                                .dout           (outdata_vec[`CYC_NUM_M1 :0]),
                                .clr_           (ucb_clr_io_),  //BP 8-19-05
                                .l1clk          (l1clk),
                                .din            (outdata_vec_next[`CYC_NUM_M1 :0]),
  .siclk(siclk),
  .soclk(soclk)
                                );

assign  outdata_buf_next[127:0] = load_outdata  ? outdata_buf_in[127:0] :
                                  shift_outdata ? (outdata_buf[127:0] >> `UCB_BUS_WIDTH ) :
                                                   outdata_buf[127:0] ;

rst_ucbbusout4_ctl_msff_ctl_macro__clr__1__width_128 outdata_buf_ff
                                (
                                .scan_in(outdata_buf_ff_scanin),
                                .scan_out(outdata_buf_ff_scanout),
                                .dout           (outdata_buf[127:0]),
                                .clr_           (ucb_clr_io_),  //BP 8-19-05
                                .l1clk          (l1clk),
                                .din            (outdata_buf_next[127:0]),
  .siclk(siclk),
  .soclk(soclk)
                                );


/**** adding clock header ****/
rst_ucbbusout4_ctl_l1clkhdr_ctl_macro clkgen (
                                .l2clk  (iol2clk),
                                .l1en   (1'b1),
                             // .pce_ov (1'b0   ),
                                .stop   (1'b0   ),
                             // .se     (1'b0   ),
                                .l1clk  (l1clk),
  .pce_ov(pce_ov),
  .se(se)
                                );

/*** building tcu port ***/
assign  siclk  = tcu_aclk    ;
assign  soclk  = tcu_bclk    ;
assign  pce_ov = tcu_pce_ov  ;
assign  stop   = tcu_clk_stop;
// scan renames
assign  se     = tcu_scan_en ;
// end scan

// fixscan start:
assign stall_d1_ff_scanin        = scan_in                  ;
assign outdata_vec_ff_scanin     = stall_d1_ff_scanout      ;
assign outdata_buf_ff_scanin     = outdata_vec_ff_scanout   ;
assign scan_out                  = outdata_buf_ff_scanout   ;
// fixscan end:
endmodule // ucb_bus_out


// any PARAMS parms go into naming of macro

module rst_ucbbusout4_ctl_msff_ctl_macro__clr__1__width_1 (
  din,
  clr_,
  l1clk,
  scan_in,
  siclk,
  soclk,
  dout,
  scan_out);
wire [0:0] fdin;

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


  input siclk;
  input soclk;

  output [0:0] dout;
  output scan_out;
assign fdin[0:0] = din[0:0] & ~{1{(~clr_)}};


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


endmodule


// any PARAMS parms go into naming of macro

module rst_ucbbusout4_ctl_msff_ctl_macro__clr__1__width_32 (
  din,
  clr_,
  l1clk,
  scan_in,
  siclk,
  soclk,
  dout,
  scan_out);
wire [31:0] fdin;
wire [30:0] so;

  input [31:0] din;
  input clr_;
  input l1clk;
  input scan_in;


  input siclk;
  input soclk;

  output [31:0] dout;
  output scan_out;
assign fdin[31:0] = din[31:0] & ~{32{(~clr_)}};


dff #(32)  d0_0 (
.l1clk(l1clk),
.siclk(siclk),
.soclk(soclk),
.d(fdin[31:0]),
.si({scan_in,so[30:0]}),
.so({so[30:0],scan_out}),
.q(dout[31:0])
);


endmodule


// any PARAMS parms go into naming of macro

module rst_ucbbusout4_ctl_msff_ctl_macro__clr__1__width_128 (
  din,
  clr_,
  l1clk,
  scan_in,
  siclk,
  soclk,
  dout,
  scan_out);
wire [127:0] fdin;
wire [126:0] so;

  input [127:0] din;
  input clr_;
  input l1clk;
  input scan_in;


  input siclk;
  input soclk;

  output [127:0] dout;
  output scan_out;
assign fdin[127:0] = din[127:0] & ~{128{(~clr_)}};


dff #(128)  d0_0 (
.l1clk(l1clk),
.siclk(siclk),
.soclk(soclk),
.d(fdin[127:0]),
.si({scan_in,so[126:0]}),
.so({so[126:0],scan_out}),
.q(dout[127:0])
);


endmodule


// any PARAMS parms go into naming of macro

module rst_ucbbusout4_ctl_l1clkhdr_ctl_macro (
  l2clk,
  l1en,
  pce_ov,
  stop,
  se,
  l1clk);


  input l2clk;
  input l1en;
  input pce_ov;
  input stop;
  input se;
  output l1clk;


cl_sc1_l1hdr_8x c_0 (


   .l2clk(l2clk),
   .pce(l1en),
   .l1clk(l1clk),
  .se(se),
  .pce_ov(pce_ov),
  .stop(stop)
);


endmodule