mirror of
https://github.com/YosysHQ/yosys
synced 2025-08-10 13:10:51 +00:00
Fixed broken Quartus backend on dffeas init value (Error (12170): Illegal value for the POWER_UP parameter. Fixed and tested Cyclone V device
This commit is contained in:
parent
93985d91b1
commit
efed2420d6
11 changed files with 232 additions and 177 deletions
|
@ -16,6 +16,48 @@
|
|||
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
|
||||
*
|
||||
*/
|
||||
/* TODO: Describe the following mode */
|
||||
module fa
|
||||
(input a_c,
|
||||
input b_c,
|
||||
input cin_c,
|
||||
output cout_t,
|
||||
output sum_x);
|
||||
|
||||
wire a_c;
|
||||
wire b_c;
|
||||
wire cout_t;
|
||||
wire cin_c;
|
||||
wire sum_x;
|
||||
wire VCC;
|
||||
|
||||
assign VCC = 1'b1;
|
||||
|
||||
cycloneiv_lcell_comb gen_sum_0 (.combout(sum_x),
|
||||
.dataa(a_c),
|
||||
.datab(b_c),
|
||||
.datac(cin_c),
|
||||
.datad(VCC));
|
||||
defparam syn__05_.lut_mask = 16'b1001011010010110;
|
||||
defparam syn__05_.sum_lutc_input = "datac";
|
||||
|
||||
cycloneiv_lcell_comb gen_cout_0 (.combout(cout_t),
|
||||
.dataa(cin_c),
|
||||
.datab(b_c),
|
||||
.datac(a_c),
|
||||
.datad(VCC));
|
||||
defparam syn__06_.lut_mask = 16'b1110000011100000;
|
||||
defparam syn__06_.sum_lutc_input = "datac";
|
||||
|
||||
endmodule // fa
|
||||
|
||||
module f_stage();
|
||||
|
||||
endmodule // f_stage
|
||||
|
||||
module f_end();
|
||||
|
||||
endmodule // f_end
|
||||
|
||||
module _80_cycloneive_alu (A, B, CI, BI, X, Y, CO);
|
||||
parameter A_SIGNED = 0;
|
||||
|
@ -41,8 +83,13 @@ module _80_cycloneive_alu (A, B, CI, BI, X, Y, CO);
|
|||
wire [Y_WIDTH-1:0] BB = BI ? ~B_buf : B_buf;
|
||||
wire [Y_WIDTH:0] C = {CO, CI};
|
||||
|
||||
cycloneive_lcell_comb #(.lut_mask(16'b0110_0110_1000_1000), .sum_lutc_input("cin")) carry_start (.cout(CO[0]), .dataa(BB[0]), .datab(1'b1), .datac(1'b1), .datad(1'b1));
|
||||
genvar i;
|
||||
fa f0 (.a_c(AA[0]),
|
||||
.b_c(BB[0]),
|
||||
.cin_c(C[0]),
|
||||
.cout_t(C0[1]),
|
||||
.sum_x(Y[0]));
|
||||
|
||||
genvar i;
|
||||
generate for (i = 1; i < Y_WIDTH; i = i + 1) begin:slice
|
||||
cycloneive_lcell_comb #(.lut_mask(16'b0101_1010_0101_0000), .sum_lutc_input("cin")) arith_cell (.combout(Y[i]), .cout(CO[i]), .dataa(BB[i]), .datab(1'b1), .datac(1'b1), .datad(1'b1), .cin(C[i]));
|
||||
end endgenerate
|
||||
|
|
Loading…
Add table
Add a link
Reference in a new issue