// ========== Copyright Header Begin ==========================================
// OpenSPARC T2 Processor File: db1_ucbflow_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.
// Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
// CA 95054 USA or visit www.sun.com if you need additional information or
// ========== Copyright Header End ============================================
wire dbg1_ucbbusin4_ctl_scanin;
wire dbg1_ucbbusin4_ctl_scanout;
wire [1:0] buf_head_next;
wire buf_head_ff0_scanin;
wire buf_head_ff0_scanout;
wire buf_head_ff1_scanin;
wire buf_head_ff1_scanout;
wire [1:0] buf_tail_next;
wire buf_tail_ff0_scanin;
wire buf_tail_ff0_scanout;
wire buf_tail_ff1_scanin;
wire buf_tail_ff1_scanout;
wire buf_full_ff_scanout;
wire buf_empty_ff_scanin;
wire buf_empty_ff_scanout;
wire [8:0] unconnected_rsvd;
wire [2:0] unconnected_size_in;
wire ack_buf_vld_ff_scanin;
wire ack_buf_vld_ff_scanout;
wire ack_buf_is_nack_ff_scanin;
wire ack_buf_is_nack_ff_scanout;
wire [127:0] outdata_buf_in;
wire [31:0] outdata_vec_in;
wire dbg1_ucbbusout4_ctl_scanin;
wire dbg1_ucbbusout4_ctl_scanout;
input [3:0] ncu_dbg1_data;
output [3:0] dbg1_ncu_data;
// Ack/Nack from local unit
//wire [3:0] int_buf_vec;
////////////////////////////////////////////////////////////////////////
////////////////////////////////////////////////////////////////////////
/************************************************************
************************************************************/
/*dbg1_ucbbusin4_ctl auto_template ( .scan_in(dbg1_ucbbusin4_ctl_scanin),
.data(ncu_dbg1_data[3:0]),
.stall_a1(dbg1_ncu_stall_a1) );
db1_ucbbusin4_ctl dbg1_ucbbusin4_ctl (/*autoinst*/
.stall(dbg1_ncu_stall), // Templated
.indata_buf_vld(indata_buf_vld),
.indata_buf(indata_buf[127:0]),
.scan_in(dbg1_ucbbusin4_ctl_scanin),
.scan_out(dbg1_ucbbusin4_ctl_scanout),
.tcu_clk_stop(tcu_clk_stop),
.tcu_scan_en (tcu_scan_en ),
.vld(ncu_dbg1_vld), // Templated
.data(ncu_dbg1_data[3:0]), // Templated
.stall_a1(dbg1_ncu_stall_a1)); // Templated
/************************************************************
* Decode inbound packet type
************************************************************/
assign read_pending = (indata_buf[3:0] == 4'b0100) & indata_buf_vld;
assign write_pending = (indata_buf[3:0] == 4'b0101) & indata_buf_vld;
assign dbg1_ncu_stall_a1 = (read_pending | write_pending) & buf_full;
/************************************************************
************************************************************/
assign rd_buf = req_acpted;
assign buf_head_next[1:0] = rd_buf ? {buf_head[0],buf_head[1]} : buf_head[1:0];
assign buf_head_next0_ = ~buf_head_next[0] ;
assign buf_head[0] = ~buf_head0_ ;
db1_ucbflow_ctl_msff_ctl_macro__width_1 buf_head_ff0
.scan_in(buf_head_ff0_scanin),
.scan_out(buf_head_ff0_scanout),
db1_ucbflow_ctl_msff_ctl_macro__width_1 buf_head_ff1
.scan_in(buf_head_ff1_scanin),
.scan_out(buf_head_ff1_scanout),
assign wr_buf = (read_pending | write_pending) & ~buf_full;
assign buf_tail_next[1:0] = wr_buf ? {buf_tail[0], buf_tail[1]} : buf_tail[1:0];
assign buf_tail_next0_ = ~buf_tail_next[0];
assign buf_tail[0] = ~buf_tail0_ ;
db1_ucbflow_ctl_msff_ctl_macro__width_1 buf_tail_ff0
.scan_in(buf_tail_ff0_scanin),
.scan_out(buf_tail_ff0_scanout),
db1_ucbflow_ctl_msff_ctl_macro__width_1 buf_tail_ff1
.scan_in(buf_tail_ff1_scanin),
.scan_out(buf_tail_ff1_scanout),
assign buf_full_next = (buf_head_next[1:0] == buf_tail_next[1:0]) & wr_buf;
db1_ucbflow_ctl_msff_ctl_macro__en_1__width_1 buf_full_ff
.scan_in(buf_full_ff_scanin),
.scan_out(buf_full_ff_scanout),
assign buf_empty_next = ((buf_head_next[1:0] == buf_tail_next[1:0]) & rd_buf) ;
assign buf_empty_next_ = ~buf_empty_next ;
assign buf_empty = ~buf_empty_ ;
db1_ucbflow_ctl_msff_ctl_macro__en_1__width_1 buf_empty_ff
.scan_in(buf_empty_ff_scanin),
.scan_out(buf_empty_ff_scanout),
req_in[52:0] } = { indata_buf[127:64],
assign buf0_en = buf_tail[0] & wr_buf;
db1_ucbflow_ctl_msff_ctl_macro__en_1__width_117 buf0_ff
.scan_in(buf0_ff_scanin),
.scan_out(buf0_ff_scanout),
assign buf1_en = buf_tail[1] & wr_buf;
db1_ucbflow_ctl_msff_ctl_macro__en_1__width_117 buf1_ff
.scan_in(buf1_ff_scanin),
.scan_out(buf1_ff_scanout),
assign req_out[116:0] = buf_head[0] ? buf0[116:0] :
buf_head[1] ? buf1[116:0] : 117'b0;
/************************************************************
* Inbound interface to local unit
************************************************************/
unconnected_size_in[2:0],
rd_req_vld_nq} = req_out[116:0];
assign rd_req_vld = rd_req_vld_nq & ~buf_empty;
assign wr_req_vld = wr_req_vld_nq & ~buf_empty;
/************************************************************
************************************************************/
assign ack_buf_wr = rd_ack_vld | rd_nack_vld;
assign ack_buf_vld_next = ack_buf_wr ? 1'b1 :
ack_buf_rd ? 1'b0 : ack_buf_vld;
db1_ucbflow_ctl_msff_ctl_macro__width_1 ack_buf_vld_ff
.scan_in(ack_buf_vld_ff_scanin),
.scan_out(ack_buf_vld_ff_scanout),
db1_ucbflow_ctl_msff_ctl_macro__en_1__width_1 ack_buf_is_nack_ff
.scan_in(ack_buf_is_nack_ff_scanin),
.scan_out(ack_buf_is_nack_ff_scanout),
assign ack_typ_out[3:0] = rd_ack_vld ? 4'b0001: //UCB_READ_ACK
assign ack_buf_in[75:0] = { data_out[63:0],
db1_ucbflow_ctl_msff_ctl_macro__en_1__width_76 ack_buf_ff
.scan_in(ack_buf_ff_scanin),
.scan_out(ack_buf_ff_scanout),
assign ack_buf_vec[31:0] = ack_buf_is_nack ? {16'h0000,16'hffff} : {32'hffff_ffff} ;
assign ack_busy = ack_buf_vld;
assign ack_buf_rd = ~outdata_buf_busy & ack_buf_vld ;
assign outdata_buf_wr = ack_buf_rd ;
assign outdata_buf_in[127:0] = {ack_buf[75:12], //payload 64bit
40'h00_0000_0000, //40bit addr [54:15]
ack_buf[11:10], //buf_id 2bit
ack_buf[9:4], //thr_id 6bit
ack_buf[3:0]}; //type 4bit
assign outdata_vec_in[31:0] = ack_buf_vec[31:0] ;
/*dbg1_ucbbusout4_ctl auto_template (
.data(dbg1_ncu_data[3:0]),
.outdata_vec_in(outdata_vec_in[31:0]) );
db1_ucbbusout4_ctl dbg1_ucbbusout4_ctl (/*autoinst*/
.vld(dbg1_ncu_vld), // Templated
.data(dbg1_ncu_data[3:0]), // Templated
.outdata_buf_busy(outdata_buf_busy),
.scan_in(dbg1_ucbbusout4_ctl_scanin),
.scan_out(dbg1_ucbbusout4_ctl_scanout),
.tcu_clk_stop(tcu_clk_stop),
.tcu_scan_en (tcu_scan_en ),
.stall(ncu_dbg1_stall), // Templated
.outdata_buf_in(outdata_buf_in[127:0]),
.outdata_vec_in(outdata_vec_in[31:0]), // Templated
.outdata_buf_wr(outdata_buf_wr));
db1_ucbflow_ctl_spare_ctl_macro__num_5 spares (
.scan_out(spares_scanout),
/**** adding clock header ****/
db1_ucbflow_ctl_l1clkhdr_ctl_macro clkgen (
/*** building tcu port ***/
assign siclk = tcu_aclk ;
assign soclk = tcu_bclk ;
assign pce_ov = tcu_pce_ov;
assign stop = tcu_clk_stop;
assign dbg1_ucbbusin4_ctl_scanin = scan_in ;
assign buf_head_ff0_scanin = dbg1_ucbbusin4_ctl_scanout;
assign buf_head_ff1_scanin = buf_head_ff0_scanout ;
assign buf_tail_ff0_scanin = buf_head_ff1_scanout ;
assign buf_tail_ff1_scanin = buf_tail_ff0_scanout ;
assign buf_full_ff_scanin = buf_tail_ff1_scanout ;
assign buf_empty_ff_scanin = buf_full_ff_scanout ;
assign buf0_ff_scanin = buf_empty_ff_scanout ;
assign buf1_ff_scanin = buf0_ff_scanout ;
assign ack_buf_vld_ff_scanin = buf1_ff_scanout ;
assign ack_buf_is_nack_ff_scanin = ack_buf_vld_ff_scanout ;
assign ack_buf_ff_scanin = ack_buf_is_nack_ff_scanout;
assign dbg1_ucbbusout4_ctl_scanin = ack_buf_ff_scanout ;
assign spares_scanin = dbg1_ucbbusout4_ctl_scanout;
assign scan_out = spares_scanout ;
endmodule // ucb_flow_dbg1
// verilog-library-directories:(".")
// any PARAMS parms go into naming of macro
module db1_ucbflow_ctl_msff_ctl_macro__en_1__width_1 (
assign fdin[0:0] = (din[0:0] & {1{en}}) | (dout[0:0] & ~{1{en}});
// any PARAMS parms go into naming of macro
module db1_ucbflow_ctl_msff_ctl_macro__en_1__width_4 (
assign fdin[3:0] = (din[3:0] & {4{en}}) | (dout[3:0] & ~{4{en}});
// any PARAMS parms go into naming of macro
module db1_ucbflow_ctl_msff_ctl_macro__width_1 (
assign fdin[0:0] = din[0:0];
// any PARAMS parms go into naming of macro
module db1_ucbflow_ctl_msff_ctl_macro__en_1__width_32 (
assign fdin[31:0] = (din[31:0] & {32{en}}) | (dout[31:0] & ~{32{en}});
.so({so[30:0],scan_out}),
// any PARAMS parms go into naming of macro
module db1_ucbflow_ctl_msff_ctl_macro__en_1__width_128 (
assign fdin[127:0] = (din[127:0] & {128{en}}) | (dout[127:0] & ~{128{en}});
.si({scan_in,so[126:0]}),
.so({so[126:0],scan_out}),
// any PARAMS parms go into naming of macro
module db1_ucbflow_ctl_l1clkhdr_ctl_macro (
// any PARAMS parms go into naming of macro
module db1_ucbflow_ctl_msff_ctl_macro__en_1__width_117 (
assign fdin[116:0] = (din[116:0] & {117{en}}) | (dout[116:0] & ~{117{en}});
.si({scan_in,so[115:0]}),
.so({so[115:0],scan_out}),
// any PARAMS parms go into naming of macro
module db1_ucbflow_ctl_msff_ctl_macro__en_1__width_76 (
assign fdin[75:0] = (din[75:0] & {76{en}}) | (dout[75:0] & ~{76{en}});
.so({so[74:0],scan_out}),
// any PARAMS parms go into naming of macro
module db1_ucbflow_ctl_msff_ctl_macro__width_32 (
assign fdin[31:0] = din[31:0];
.so({so[30:0],scan_out}),
// any PARAMS parms go into naming of macro
module db1_ucbflow_ctl_msff_ctl_macro__width_128 (
assign fdin[127:0] = din[127:0];
.si({scan_in,so[126:0]}),
.so({so[126:0],scan_out}),
// 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 db1_ucbflow_ctl_spare_ctl_macro__num_5 (
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 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 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 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;
wire spare4_buf_32x_unused;
wire spare4_nand3_8x_unused;
wire spare4_inv_8x_unused;
wire spare4_aoi22_4x_unused;
wire spare4_buf_8x_unused;
wire spare4_oai22_4x_unused;
wire spare4_inv_16x_unused;
wire spare4_nand2_16x_unused;
wire spare4_nor3_4x_unused;
wire spare4_nand2_8x_unused;
wire spare4_buf_16x_unused;
wire spare4_nor2_16x_unused;
wire spare4_inv_32x_unused;
cl_sc1_msff_8x spare0_flop (.l1clk(l1clk),
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),
.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),
.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),
.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),
.out(spare0_nand2_16x_unused));
cl_u1_nor3_4x spare0_nor3_4x (.in0(1'b0),
.out(spare0_nor3_4x_unused));
cl_u1_nand2_8x spare0_nand2_8x (.in0(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),
.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),
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),
.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),
.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),
.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),
.out(spare1_nand2_16x_unused));
cl_u1_nor3_4x spare1_nor3_4x (.in0(1'b0),
.out(spare1_nor3_4x_unused));
cl_u1_nand2_8x spare1_nand2_8x (.in0(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),
.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),
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),
.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),
.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),
.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),
.out(spare2_nand2_16x_unused));
cl_u1_nor3_4x spare2_nor3_4x (.in0(1'b0),
.out(spare2_nor3_4x_unused));
cl_u1_nand2_8x spare2_nand2_8x (.in0(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),
.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),
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),
.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),
.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),
.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),
.out(spare3_nand2_16x_unused));
cl_u1_nor3_4x spare3_nor3_4x (.in0(1'b0),
.out(spare3_nor3_4x_unused));
cl_u1_nand2_8x spare3_nand2_8x (.in0(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),
.out(spare3_nor2_16x_unused));
cl_u1_inv_32x spare3_inv_32x (.in(1'b1),
.out(spare3_inv_32x_unused));
cl_sc1_msff_8x spare4_flop (.l1clk(l1clk),
cl_u1_buf_32x spare4_buf_32x (.in(1'b1),
.out(spare4_buf_32x_unused));
cl_u1_nand3_8x spare4_nand3_8x (.in0(1'b1),
.out(spare4_nand3_8x_unused));
cl_u1_inv_8x spare4_inv_8x (.in(1'b1),
.out(spare4_inv_8x_unused));
cl_u1_aoi22_4x spare4_aoi22_4x (.in00(1'b1),
.out(spare4_aoi22_4x_unused));
cl_u1_buf_8x spare4_buf_8x (.in(1'b1),
.out(spare4_buf_8x_unused));
cl_u1_oai22_4x spare4_oai22_4x (.in00(1'b1),
.out(spare4_oai22_4x_unused));
cl_u1_inv_16x spare4_inv_16x (.in(1'b1),
.out(spare4_inv_16x_unused));
cl_u1_nand2_16x spare4_nand2_16x (.in0(1'b1),
.out(spare4_nand2_16x_unused));
cl_u1_nor3_4x spare4_nor3_4x (.in0(1'b0),
.out(spare4_nor3_4x_unused));
cl_u1_nand2_8x spare4_nand2_8x (.in0(1'b1),
.out(spare4_nand2_8x_unused));
cl_u1_buf_16x spare4_buf_16x (.in(1'b1),
.out(spare4_buf_16x_unused));
cl_u1_nor2_16x spare4_nor2_16x (.in0(1'b0),
.out(spare4_nor2_16x_unused));
cl_u1_inv_32x spare4_inv_32x (.in(1'b1),
.out(spare4_inv_32x_unused));