diff options
Diffstat (limited to 'data/cells_cyclone_v.v')
| -rw-r--r-- | data/cells_cyclone_v.v | 238 |
1 files changed, 238 insertions, 0 deletions
diff --git a/data/cells_cyclone_v.v b/data/cells_cyclone_v.v new file mode 100644 index 0000000..bc70a27 --- /dev/null +++ b/data/cells_cyclone_v.v @@ -0,0 +1,238 @@ +// Based on cyclonev_atoms.v from Quartus II 14.0.0 Build 200 06/17/2014 + +// ========================================================================================== + +module cyclonev_lcell_comb ( + dataa, datab, datac, datad, datae, dataf, datag, cin, sharein, + combout, sumout, cout, shareout +); + +input dataa, datab, datac, datad, datae, dataf, datag, cin, sharein; +output reg combout, sumout, cout, shareout; + +parameter lut_mask = 64'hFFFFFFFFFFFFFFFF; +parameter shared_arith = "off"; +parameter extended_lut = "off"; +parameter dont_touch = "off"; +parameter lpm_type = "cyclonev_lcell_comb"; + +localparam ishared_arith = shared_arith == "on"; +localparam iextended_lut = extended_lut == "on"; + +localparam [15:0] f0_mask = lut_mask[15:0]; +localparam [15:0] f1_mask = lut_mask[31:16]; +localparam [15:0] f2_mask = lut_mask[47:32]; +localparam [15:0] f3_mask = lut_mask[63:48]; + +reg f0_out, f1_out, f2_out, f3_out; +reg g0_out, g1_out; +reg f2_input3, f2_f; +reg adder_input2; + +// 4-input LUT function +function lut4; + input [15:0] mask; + input dataa; + input datab; + input datac; + input datad; + begin + lut4 = datad ? ( datac ? ( datab ? ( dataa ? mask[15] : mask[14]) + : ( dataa ? mask[13] : mask[12])) + : ( datab ? ( dataa ? mask[11] : mask[10]) + : ( dataa ? mask[ 9] : mask[ 8]))) + : ( datac ? ( datab ? ( dataa ? mask[ 7] : mask[ 6]) + : ( dataa ? mask[ 5] : mask[ 4])) + : ( datab ? ( dataa ? mask[ 3] : mask[ 2]) + : ( dataa ? mask[ 1] : mask[ 0]))); + end +endfunction + +// 5-input LUT function +function lut5; + input [31:0] mask; + input dataa; + input datab; + input datac; + input datad; + input datae; + reg e0_lut; + reg e1_lut; + reg [15:0] e0_mask; + reg [31:16] e1_mask; + begin + e0_mask = mask[15:0]; + e1_mask = mask[31:16]; + begin + e0_lut = lut4(e0_mask, dataa, datab, datac, datad); + e1_lut = lut4(e1_mask, dataa, datab, datac, datad); + if (datae === 1'bX) // X propogation + begin + if (e0_lut == e1_lut) + begin + lut5 = e0_lut; + end + else + begin + lut5 = 1'bX; + end + end + else + begin + lut5 = (datae == 1'b1) ? e1_lut : e0_lut; + end + end + end +endfunction + +// 6-input LUT function +function lut6; + input [63:0] mask; + input dataa; + input datab; + input datac; + input datad; + input datae; + input dataf; + reg f0_lut; + reg f1_lut; + reg [31:0] f0_mask; + reg [63:32] f1_mask ; + begin + f0_mask = mask[31:0]; + f1_mask = mask[63:32]; + begin + lut6 = mask[{dataf, datae, datad, datac, datab, dataa}]; + if (lut6 === 1'bX) + begin + f0_lut = lut5(f0_mask, dataa, datab, datac, datad, datae); + f1_lut = lut5(f1_mask, dataa, datab, datac, datad, datae); + if (dataf === 1'bX) // X propogation + begin + if (f0_lut == f1_lut) + begin + lut6 = f0_lut; + end + else + begin + lut6 = 1'bX; + end + end + else + begin + lut6 = (dataf == 1'b1) ? f1_lut : f0_lut; + end + end + end + end +endfunction + +always @(datag or dataf or datae or datad or datac or + datab or dataa or cin or sharein) +begin + // check for extended LUT mode + if (iextended_lut == 1) + f2_input3 = datag; + else + f2_input3 = datac; + + f0_out = lut4(f0_mask, dataa, datab, datac, datad); + f1_out = lut4(f1_mask, dataa, datab, f2_input3, datad); + f2_out = lut4(f2_mask, dataa, datab, datac, datad); + f3_out = lut4(f3_mask, dataa, datab, f2_input3, datad); + + // combout is the 6-input LUT + if (iextended_lut == 1) + begin + if (datae == 1'b0) + begin + g0_out = f0_out; + g1_out = f2_out; + end + else if (datae == 1'b1) + begin + g0_out = f1_out; + g1_out = f3_out; + end + else + begin + if (f0_out == f1_out) + g0_out = f0_out; + else + g0_out = 1'bX; + + if (f2_out == f3_out) + g1_out = f2_out; + else + g1_out = 1'bX; + end + + if (dataf == 1'b0) + combout = g0_out; + else if ((dataf == 1'b1) || (g0_out == g1_out)) + combout = g1_out; + else + combout = 1'bX; + end + else + combout = lut6(lut_mask, dataa, datab, datac, datad, datae, dataf); + + // check for shareed arithmetic mode + if (ishared_arith == 1) + adder_input2 = sharein; + else + begin + f2_f = lut4(f2_mask, dataa, datab, datac, dataf); + adder_input2 = !f2_f; + end + + // sumout & cout + sumout = cin ^ f0_out ^ adder_input2; + cout = (cin & f0_out) | (cin & adder_input2) | (f0_out & adder_input2); + shareout = f2_out; +end + +endmodule + +// ========================================================================================== + +module cyclonev_io_ibuf (i, ibar, dynamicterminationcontrol, o); + +parameter differential_mode = 0; +parameter bus_hold = 0; +parameter simulate_z_as = 0; +parameter lpm_type = 0; + +input i; +input ibar; +input dynamicterminationcontrol; +output o; + +assign o = i; + +endmodule + +// ========================================================================================== + +module cyclonev_io_obuf (i, oe, dynamicterminationcontrol, seriesterminationcontrol, parallelterminationcontrol, devoe, o, obar); + +parameter open_drain_output = 0; +parameter bus_hold = 0; +parameter shift_series_termination_control = 0; +parameter sim_dynamic_termination_control_is_connected = 0; +parameter lpm_type = 0; + +input i; +input oe; +input devoe; +input dynamicterminationcontrol; +input [15:0] seriesterminationcontrol; +input [15:0] parallelterminationcontrol; +output o; +output obar; + +assign o = i, obar = ~i; + +endmodule + +// ========================================================================================== |