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  • This comparison shows the changes necessary to convert path 
    /async_sdm_noc/trunk/common
    from Rev 22 to Rev 28
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Rev 22 → Rev 28

/script/cell_constraint.tcl
13,10 → 13,11
#
# History:
# 03/07/2009 Initial version. <wsong83@gmail.com>
# 21/05/2011 Change to the Nangate cell library. <wsong83@gmail.com>
# 27/05/2011 Change to the Nangate cell library. <wsong83@gmail.com>
 
set_dont_touch mutex
set_dont_touch mutex2
set_dont_touch delay
# It is not a problem if there is no delay cells in the design.
 
uniquify -force
 
38,14 → 39,16
foreach_in_collection celln [get_references -hierarchical c2n_*] {
set_disable_timing [get_object_name $celln]/U1 -from B -to Z
}
# It is not a problem if there is no c2n cells in the design.
 
# c2p gates
foreach_in_collection celln [get_references -hierarchical c2p_*] {
set_disable_timing [get_object_name $celln]/U1 -from B -to O
set_disable_timing [get_object_name $celln]/U1 -from B -to Z
}
# It is not a problem if there is no c2p cells in the design.
 
# mutex gates
foreach_in_collection celln [get_references -hierarchical mutex_*] {
foreach_in_collection celln [get_references -hierarchical mutex2_*] {
set_disable_timing [get_object_name $celln]/U1 -from A2 -to ZN
set_disable_timing [get_object_name $celln]/U4 -from A2 -to ZN
set_dont_touch [get_object_name $celln]/U2
57,6 → 60,7
set_disable_timing [get_object_name $celln]/U2 -from B -to Z
set_disable_timing [get_object_name $celln]/U3 -from B -to Z
}
# It is not a problem if MRMA is not used in the design.
 
# tarb
foreach_in_collection celln [get_references -hierarchical tarb_*] {
63,9 → 67,34
set_disable_timing [get_object_name $celln]/U2 -from A -to Z
set_disable_timing [get_object_name $celln]/U3 -from A -to Z
}
# It is not a problem if tree arbiter is not used in the design.
 
# cr_blk
foreach_in_collection celln [get_references -hierarchical cr_blk_*] {
set_disable_timing [get_object_name $celln]/XG/U1 -from C -to Z
}
# It is not a problem if MRMA is not used in the design.
 
# mrma multi-resource match arbiter
foreach_in_collection celln [get_references -hierarchical mrma_*] {
set_disable_timing [get_object_name $celln]/*.AND_*G* -from B -to Z
set_disable_timing [get_object_name $celln]/*.AND_RG* -from A -to Z
}
# It is not a problem if MRMA is not used in the design.
 
# dcb data crossbar
foreach_in_collection celln [get_references -hierarchical dcb_*] {
set_disable_timing [get_object_name $celln]/*.A* -from B -to Z
}
 
# dcb data crossbar
foreach_in_collection celln [get_references -hierarchical rcb_*] {
set_disable_timing [get_object_name $celln]/*.A* -from B -to Z
}
#It is not a problem if there is no rcb modules in the design.
 
# mnmr m-n match allocator
foreach_in_collection celln [get_references -hierarchical mnma_*] {
set_disable_timing [get_object_name $celln]/*.AND_OPRen* -from B -to Z
}
#It is not a problem if MNMA is not used in the design.
/script/tech.tcl
19,7 → 19,7
 
set rm_library "Nangate_typ.db"
 
set search_path [concat ${search_path} "${rm_lib_dirs}/"]
set search_path [concat ${search_path} "${rm_lib_dirs}/" ".."]
 
set synthetic_library dw_foundation.sldb
set link_library [list *]
/src/mrma.v
19,7 → 19,7
History:
05/09/2009 Initial version. <wsong83@gmail.com>
05/11/2009 Speed up the arbiter. <wsong83@gmail.com>
24/05/2011 Clean up for opensource. <wsong83@gmail.com>
27/05/2011 Clean up for opensource. <wsong83@gmail.com>
*/
 
45,9 → 45,9
 
wire [M-1:0][N-1:0] hs; // match results
wire [M-1:0][N-1:0] blk; // blockage
wire [N-1:0][M-1:0] cblk; // shuffled blockage
wire [M-1:0] rblk; // resource blockage
wire [N-1:0] cblk; // client blockage
wire [N-1:0][M-1:0] sblk; // shuffled blockage
wire [M-1:0] rbi; // resource blockage
wire [N-1:0] cbi; // client blockage
wire [N-1:0] cg, cm; // client requests
wire [M-1:0] rg, rm; // resource requests
82,13 → 82,13
);
// shuffle the blockage
assign cblk[j][i] = blk[i][j];
assign sblk[j][i] = blk[i][j];
 
// shuffle the configuration
assign scfg[j][i] = cfg[i][j];
// store the match results
c2p C (.q(cfg[i][j]), .a0(c[j]), .a1(hs[i][j]));
c2p C (.q(cfg[i][j]), .a(c[j]), .b(hs[i][j]));
end // block: Clm
end // block: Row
97,15 → 97,16
for(i=0; i<M; i++) begin: RB
assign rbi[i] = (|blk[i]) & rst_n;
and AND_RG (rm[i], r[i], ~ra[i], rst_n);
ra[i] = |cfg[i];
assign ra[i] = |cfg[i];
end
 
// combine the column blockage and generate input requests
for(j=0; j<N; j++) begin: CB
assign cbi[j] = (|cblk[j]) & rst_n;
assign cbi[j] = (|sblk[j]) & rst_n;
and AND_CG (cm[j], c[j], ~ca[j], rst_n);
assign ca[j] = |scfg[j];
end
endgenerate
endmodule // im_arb
endmodule // mrma
 
/src/pipe4.v
15,7 → 15,7
History:
05/05/2009 Initial version. <wsong83@gmail.com>
17/04/2011 Replace the common ack generation. <wsong83@gmail.com>
23/05/2011 Clean up for opensource. <wsong83@gmail.com>
26/05/2011 Clean up for opensource. <wsong83@gmail.com>
*/
 
41,12 → 41,12
output ia; // output ack
 
`ifdef ENABLE_EOF
input o4; // the eof bit
output i4;
output o4; // the eof bit
input i4;
`endif
// internal signals
wire [2*SCN-2:0] tack;
wire [SCN-1:0] tack;
// generate the ack line
genvar i;
61,7 → 61,7
 
// the eof bit
`ifdef ENABLE_EOF
dc2 DD_DC4 (.d(i4), .a(oa[SCN-1]), .q(o4));
dc2 DD_DC4 (.d(i4), .a(oa), .q(o4));
`endif
 
// generate the input ack
/src/tree_arb.v
46,7 → 46,7
end
else if(MR == 2) // special case: only two input
begin: MA_2
mutex ME0 (
mutex2 ME0 (
.a ( req[0] ),
.b ( req[1] ),
.qa ( gnt[0] ),
56,7 → 56,7
else
begin: MA_N
 
mutex ME0 (
mutex2 ME0 (
.a ( mreq[0] ),
.b ( mreq[1] ),
.qa ( rgnt[0] ),
/src/cell_lib.v
79,7 → 79,7
endmodule
 
// 2-input MUTEX cell, Nangate
module mutex ( a, b, qa, qb ); // !!! dont touch !!!
module mutex2 ( a, b, qa, qb ); // !!! dont touch !!!
 
input a, b; // request inputs
output qa, qb; // grant outputs
120,7 → 120,7
wire n1, n2; // internal wires
wire [1:0] mgnt; // outputs of the MUTEX
 
mutex ME ( .a(req[0]), .b(req[1]), .qa(mgnt[0]), .qb(mgnt[1]) );
mutex2 ME ( .a(req[0]), .b(req[1]), .qa(mgnt[0]), .qb(mgnt[1]) );
c2n C0 ( .a(ntgnt), .b(n2), .q(ngnt[0]) );
c2n C1 ( .a(ntgnt), .b(n1), .q(ngnt[1]) );
nand U1 (treq, n1, n2);
/src/mutex_arb.v
37,7 → 37,7
generate
for(i=0; i<wd; i=i+1) begin:lv
for(j=i+1; j<wd; j=j+1) begin:b
mutex ME ( .a(arb_w[i][j-1]), .b(arb_w[j][i]), .qa(arb_w[i][j]), .qb(arb_w[j][i+1]));
mutex2 ME ( .a(arb_w[i][j-1]), .b(arb_w[j][i]), .qa(arb_w[i][j]), .qb(arb_w[j][i+1]));
end
assign arb_w[i][0] = req[i];
assign gnt[i] = arb_w[i][wd-1];
/src/rcb.v
15,7 → 15,7
History:
10/12/2009 Initial version. <wsong83@gmail.com>
23/05/2011 Use SystemVerilog for wire declaration. <wsong83@gmail.com>
23/05/2011 Clean up for opensource. <wsong83@gmail.com>
27/05/2011 Clean up for opensource. <wsong83@gmail.com>
*/
 
33,11 → 33,11
input [NN-1:0][DW-1:0] ireq; // input requests
output [NN-1:0] ira; // ack for input requests
output [MN-1:0][DW-1:0] oreq; // output requests
input [DW-1:0] ora; // ack for output requests
input [MN-1:0] ora; // ack for output requests
input [MN-1:0][NN-1:0] cfg; // the crossbar configuration
wire [MN-1:0][DW-1:0][NN-1-1:0] m; // the internal wires for requests
wire [NN-1:0][MN-1:0] ma; // the internal wires for acks
wire [MN-1:0][DW-1:0][NN-1:0] m; // the internal wires for requests
wire [NN-1:0][MN-1:0] ma; // the internal wires for acks
// generate variable
genvar i, j, k;
45,8 → 45,8
// request matrix
generate
for (i=0; i<MN; i++) begin: EN
for (j=0; j<DW; j=j+1) begin: SC
for (k=0; k<NN; k=k+1) begin: IP
for (j=0; j<DW; j++) begin: SC
for (k=0; k<NN; k++) begin: IP
and AC (m[i][j][k], ireq[k][j], cfg[i][k]);
end
58,8 → 58,8
 
// ack matrix
generate
for (k=0; k<NN; k=k+1) begin: ENA
for (i=0; i<MN; i=i+1) begin: OP
for (k=0; k<NN; k++) begin: ENA
for (i=0; i<MN; i++) begin: OP
and AC (ma[k][i], ora[i], cfg[i][k]);
end
/src/mnma.v
27,7 → 27,7
 
module mnma(/*AUTOARG*/
// Outputs
cfg,
ra, cfg,
// Inputs
r
);
35,6 → 35,7
parameter M = 2; // number of resources
 
input [N-1:0][M-1:0] r; // input requests
output [N-1:0] ra; // ack to input requests
output [M-1:0][N-1:0] cfg; // configuration to the crssbar
 
wire [M-1:0][N-1:0] OPr;
66,6 → 67,9
.req ( IPr[i] ),
.gnt ( IPg[i] )
);
 
// the input ack
assign ra[i] = |IPg[i];
end
endgenerate
 

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