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// ========== Copyright Header Begin ==========================================

// 

// OpenSPARC T1 Processor File: synchronizer_asr.v

// Copyright (c) 2006 Sun Microsystems, Inc.  All Rights Reserved.

// DO NOT ALTER OR REMOVE COPYRIGHT NOTICES.

// 

// The above named program is free software; you can redistribute it and/or

// modify it under the terms of the GNU General Public

// License version 2 as published by the Free Software Foundation.

// 

// The above named 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 work; if not, write to the Free Software

// Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA.

// 

// ========== Copyright Header End ============================================

module synchronizer_asr (/*AUTOARG*/

   // Outputs

   sync_out, so,

   // Inputs

   async_in, gclk, rclk, arst_l, si, se

   );

   output sync_out;

   output so;

   input  async_in;

   input  gclk;

   input  rclk;

   input  arst_l;

   input  si;

   input  se;

   wire   pre_sync_out;

   wire   so_rptr;

   wire   so_lockup;

   bw_u1_soffasr_2x repeater (

                              .q (pre_sync_out),

                              .so (so_rptr),

                              .ck (gclk),

                              .d (async_in),

                              .r_l (arst_l),

                              .s_l (1'b1),

                              .se (se),

                              .sd (si)

                              );

   bw_u1_scanl_2x lockup (

                           .so (so_lockup),

                           .sd (so_rptr),

                           .ck (gclk)

                           );

   bw_u1_soffasr_2x syncff (

                            .q (sync_out),

                            .so (so),

                            .ck (rclk),

                            .d (pre_sync_out),

                            .r_l (arst_l),

                            .s_l (1'b1),

                            .se (se),

                            .sd (so_lockup)

                            );

endmodule // synchronizer_asr