diff options
Diffstat (limited to 'techlibs/machxo2/cells_sim.v')
| -rw-r--r-- | techlibs/machxo2/cells_sim.v | 121 |
1 files changed, 121 insertions, 0 deletions
diff --git a/techlibs/machxo2/cells_sim.v b/techlibs/machxo2/cells_sim.v index dc68a3127..82c9d8c4b 100644 --- a/techlibs/machxo2/cells_sim.v +++ b/techlibs/machxo2/cells_sim.v @@ -199,6 +199,127 @@ module DCMA ( ); endmodule +(* abc9_box, lib_whitebox *) +module DPR16X4C ( + input [3:0] DI, + input WCK, WRE, + input [3:0] RAD, + input [3:0] WAD, + output [3:0] DO +); + parameter INITVAL = "0x0000000000000000"; + + function [63:0] convert_initval; + input [143:0] hex_initval; + reg done; + reg [63:0] temp; + reg [7:0] char; + integer i; + begin + done = 1'b0; + temp = 0; + for (i = 0; i < 16; i = i + 1) begin + if (!done) begin + char = hex_initval[8*i +: 8]; + if (char == "x") begin + done = 1'b1; + end else begin + if (char >= "0" && char <= "9") + temp[4*i +: 4] = char - "0"; + else if (char >= "A" && char <= "F") + temp[4*i +: 4] = 10 + char - "A"; + else if (char >= "a" && char <= "f") + temp[4*i +: 4] = 10 + char - "a"; + end + end + end + convert_initval = temp; + end + endfunction + + localparam conv_initval = convert_initval(INITVAL); + + reg [3:0] ram[0:15]; + integer i; + initial begin + for (i = 0; i < 15; i = i + 1) begin + ram[i] <= conv_initval[4*i +: 4]; + end + end + + always @(posedge WCK) + if (WRE) + ram[WAD] <= DI; + + assign DO = ram[RAD]; +endmodule + +(* blackbox *) +module DP8KC( + input DIA8, DIA7, DIA6, DIA5, DIA4, DIA3, DIA2, DIA1, DIA0, + input ADA12, ADA11, ADA10, ADA9, ADA8, ADA7, ADA6, ADA5, ADA4, ADA3, ADA2, ADA1, ADA0, + input CEA, OCEA, CLKA, WEA, RSTA, + input CSA2, CSA1, CSA0, + output DOA8, DOA7, DOA6, DOA5, DOA4, DOA3, DOA2, DOA1, DOA0, + + input DIB8, DIB7, DIB6, DIB5, DIB4, DIB3, DIB2, DIB1, DIB0, + input ADB12, ADB11, ADB10, ADB9, ADB8, ADB7, ADB6, ADB5, ADB4, ADB3, ADB2, ADB1, ADB0, + input CEB, OCEB, CLKB, WEB, RSTB, + input CSB2, CSB1, CSB0, + output DOB8, DOB7, DOB6, DOB5, DOB4, DOB3, DOB2, DOB1, DOB0 +); + parameter DATA_WIDTH_A = 9; + parameter DATA_WIDTH_B = 9; + + parameter REGMODE_A = "NOREG"; + parameter REGMODE_B = "NOREG"; + + parameter RESETMODE = "SYNC"; + parameter ASYNC_RESET_RELEASE = "SYNC"; + + parameter CSDECODE_A = "0b000"; + parameter CSDECODE_B = "0b000"; + + parameter WRITEMODE_A = "NORMAL"; + parameter WRITEMODE_B = "NORMAL"; + + parameter GSR = "ENABLED"; + parameter INIT_DATA = "STATIC"; + + parameter INITVAL_00 = "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000"; + parameter INITVAL_01 = "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000"; + parameter INITVAL_02 = "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000"; + parameter INITVAL_03 = "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000"; + parameter INITVAL_04 = "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000"; + parameter INITVAL_05 = "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000"; + parameter INITVAL_06 = "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000"; + parameter INITVAL_07 = "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000"; + parameter INITVAL_08 = "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000"; + parameter INITVAL_09 = "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000"; + parameter INITVAL_0A = "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000"; + parameter INITVAL_0B = "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000"; + parameter INITVAL_0C = "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000"; + parameter INITVAL_0D = "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000"; + parameter INITVAL_0E = "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000"; + parameter INITVAL_0F = "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000"; + parameter INITVAL_10 = "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000"; + parameter INITVAL_11 = "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000"; + parameter INITVAL_12 = "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000"; + parameter INITVAL_13 = "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000"; + parameter INITVAL_14 = "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000"; + parameter INITVAL_15 = "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000"; + parameter INITVAL_16 = "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000"; + parameter INITVAL_17 = "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000"; + parameter INITVAL_18 = "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000"; + parameter INITVAL_19 = "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000"; + parameter INITVAL_1A = "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000"; + parameter INITVAL_1B = "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000"; + parameter INITVAL_1C = "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000"; + parameter INITVAL_1D = "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000"; + parameter INITVAL_1E = "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000"; + parameter INITVAL_1F = "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000"; +endmodule + // IO- "$__" cells for the iopadmap pass. These are temporary cells not meant // to be instantiated by the end user. They are required in this file for // attrmvcp to work. |