techlibs/efinix/cells_sim.v

   1 module EFX_LUT4(
   2    output O,
   3    input I0,
   4    input I1,
   5    input I2,
   6    input I3
   7 );
   8    parameter LUTMASK  = 16'h0000;
   9 endmodule
  10
  11 module EFX_ADD(
  12    output O,
  13    output CO,
  14    input I0,
  15    input I1,
  16    input CI
  17 );
  18    parameter I0_POLARITY   = 1;
  19    parameter I1_POLARITY   = 1;
  20 endmodule
  21
  22 module EFX_FF(
  23    output Q,
  24    input D,
  25    input CE,
  26    input CLK,
  27    input SR
  28 );
  29    parameter CLK_POLARITY = 1;
  30    parameter CE_POLARITY = 1;
  31    parameter SR_POLARITY = 1;
  32    parameter SR_SYNC = 0;
  33    parameter SR_VALUE = 0;
  34    parameter SR_SYNC_PRIORITY = 0;
  35    parameter D_POLARITY = 1;
  36 endmodule
  37
  38 module EFX_GBUFCE(
  39    input CE,
  40    input I,
  41    output O
  42 );
  43    parameter CE_POLARITY = 1'b1;
  44 endmodule
  45
  46 module EFX_RAM_5K(
  47    input [WRITE_WIDTH-1:0] WDATA,
  48    input [WRITE_ADDR_WIDTH-1:0] WADDR,
  49    input WE,
  50    input WCLK,
  51    input WCLKE,
  52    output [READ_WIDTH-1:0] RDATA,
  53    input [READ_ADDR_WIDTH-1:0] RADDR,
  54    input RE,
  55    input RCLK
  56 );
  57    parameter READ_WIDTH = 20;
  58    parameter WRITE_WIDTH = 20;
  59    parameter OUTPUT_REG = 1'b0;
  60    parameter RCLK_POLARITY  = 1'b1;
  61    parameter RE_POLARITY    = 1'b1;
  62    parameter WCLK_POLARITY  = 1'b1;
  63    parameter WE_POLARITY    = 1'b1;
  64    parameter WCLKE_POLARITY = 1'b1;
  65    parameter WRITE_MODE = "READ_FIRST";
  66    parameter INIT_0 = 256'h0000000000000000000000000000000000000000000000000000000000000000;
  67    parameter INIT_1 = 256'h0000000000000000000000000000000000000000000000000000000000000000;
  68    parameter INIT_2 = 256'h0000000000000000000000000000000000000000000000000000000000000000;
  69    parameter INIT_3 = 256'h0000000000000000000000000000000000000000000000000000000000000000;
  70    parameter INIT_4 = 256'h0000000000000000000000000000000000000000000000000000000000000000;
  71    parameter INIT_5 = 256'h0000000000000000000000000000000000000000000000000000000000000000;
  72    parameter INIT_6 = 256'h0000000000000000000000000000000000000000000000000000000000000000;
  73    parameter INIT_7 = 256'h0000000000000000000000000000000000000000000000000000000000000000;
  74    parameter INIT_8 = 256'h0000000000000000000000000000000000000000000000000000000000000000;
  75    parameter INIT_9 = 256'h0000000000000000000000000000000000000000000000000000000000000000;
  76    parameter INIT_A = 256'h0000000000000000000000000000000000000000000000000000000000000000;
  77    parameter INIT_B = 256'h0000000000000000000000000000000000000000000000000000000000000000;
  78    parameter INIT_C = 256'h0000000000000000000000000000000000000000000000000000000000000000;
  79    parameter INIT_D = 256'h0000000000000000000000000000000000000000000000000000000000000000;
  80    parameter INIT_E = 256'h0000000000000000000000000000000000000000000000000000000000000000;
  81    parameter INIT_F = 256'h0000000000000000000000000000000000000000000000000000000000000000;
  82    parameter INIT_10 = 256'h0000000000000000000000000000000000000000000000000000000000000000;
  83    parameter INIT_11 = 256'h0000000000000000000000000000000000000000000000000000000000000000;
  84    parameter INIT_12 = 256'h0000000000000000000000000000000000000000000000000000000000000000;
  85    parameter INIT_13 = 256'h0000000000000000000000000000000000000000000000000000000000000000;
  86
  87    localparam READ_ADDR_WIDTH =
  88                             (READ_WIDTH == 16) ? 8 :  // 256x16
  89                             (READ_WIDTH == 8)  ? 9 :  // 512x8
  90                             (READ_WIDTH == 4)  ? 10 : // 1024x4
  91                             (READ_WIDTH == 2)  ? 11 : // 2048x2
  92                             (READ_WIDTH == 1)  ? 12 : // 4096x1
  93                             (READ_WIDTH == 20) ? 8 :  // 256x20
  94                             (READ_WIDTH == 10) ? 9 :  // 512x10
  95                             (READ_WIDTH == 5)  ? 10 : -1; // 1024x5
  96
  97    localparam WRITE_ADDR_WIDTH =
  98                             (WRITE_WIDTH == 16) ? 8 :  // 256x16
  99                             (WRITE_WIDTH == 8)  ? 9 :  // 512x8
 100                             (WRITE_WIDTH == 4)  ? 10 : // 1024x4
 101                             (WRITE_WIDTH == 2)  ? 11 : // 2048x2
 102                             (WRITE_WIDTH == 1)  ? 12 : // 4096x1
 103                             (WRITE_WIDTH == 20) ? 8 :  // 256x20
 104                             (WRITE_WIDTH == 10) ? 9 :  // 512x10
 105                             (WRITE_WIDTH == 5)  ? 10 : -1; // 1024x5
 106
 107 endmodule