| /* |
| ROM128X1: 128-Deep by 1-Wide ROM |
| ROM256X1: 256-Deep by 1-Wide ROM |
| ROM32X1: 32-Deep by 1-Wide ROM |
| ROM64X1: 64-Deep by 1-Wide ROM |
| */ |
| |
| module top(input clk, stb, di, output do); |
| localparam integer DIN_N = 256; |
| localparam integer DOUT_N = 256; |
| |
| reg [DIN_N-1:0] din; |
| wire [DOUT_N-1:0] dout; |
| |
| reg [DIN_N-1:0] din_shr; |
| reg [DOUT_N-1:0] dout_shr; |
| |
| always @(posedge clk) begin |
| din_shr <= {din_shr, di}; |
| dout_shr <= {dout_shr, din_shr[DIN_N-1]}; |
| if (stb) begin |
| din <= din_shr; |
| dout_shr <= dout; |
| end |
| end |
| |
| assign do = dout_shr[DOUT_N-1]; |
| |
| roi roi ( |
| .clk(clk), |
| .din(din), |
| .dout(dout) |
| ); |
| endmodule |
| |
| /* |
| One BRAM per tile |
| */ |
| module roi(input clk, input [255:0] din, output [255:0] dout); |
| ram_RAMB18E1 #(.LOC("RAMB18_X0Y40"), .INIT0(1'b1), .INIT({256{1'b0}})) |
| r0(.clk(clk), .din(din[ 0 +: 8]), .dout(dout[ 0 +: 8])); |
| ram_RAMB18E1 #(.LOC("RAMB18_X0Y42"), .INIT0(1'b1), .INIT({256{1'b0}})) |
| r1(.clk(clk), .din(din[ 8 +: 8]), .dout(dout[ 8 +: 8])); |
| ram_RAMB18E1 #(.LOC("RAMB18_X0Y44"), .INIT0(1'b1), .INIT({256{1'b0}})) |
| r2(.clk(clk), .din(din[ 16 +: 8]), .dout(dout[ 16 +: 8])); |
| endmodule |
| |
| /* |
| Place everything into first tile |
| This is invalid since 18/36 share resources |
| */ |
| module roi_invalid(input clk, input [255:0] din, output [255:0] dout); |
| ram_RAMB18E1 #(.LOC("RAMB18_X0Y40"), .INIT({256{1'b1}})) |
| r0(.clk(clk), .din(din[ 0 +: 8]), .dout(dout[ 0 +: 8])); |
| ram_RAMB18E1 #(.LOC("RAMB18_X0Y41"), .INIT({256{1'b1}})) |
| r1(.clk(clk), .din(din[ 8 +: 8]), .dout(dout[ 8 +: 8])); |
| ram_RAMB36E1 #(.LOC("RAMB36_X0Y20"), .INIT({256{1'b1}})) |
| r2(.clk(clk), .din(din[ 16 +: 8]), .dout(dout[ 16 +: 8])); |
| endmodule |
| |
| /* |
| Site RAMB18_X0Y42 |
| Pushed it outside the pblock |
| lets extend pblock |
| |
| for i in xrange(0x08): print '.INITP_%02X(INIT),' % i |
| for i in xrange(0x40): print '.INIT_%02X(INIT),' % i |
| */ |
| module ram_RAMB18E1 (input clk, input [7:0] din, output [7:0] dout); |
| parameter LOC = ""; |
| parameter INIT0 = 256'h0000000000000000000000000000000000000000000000000000000000000000; |
| parameter INIT = 256'h0000000000000000000000000000000000000000000000000000000000000000; |
| |
| (* LOC=LOC *) |
| RAMB18E1 #( |
| .INITP_00(INIT), |
| .INITP_01(INIT), |
| .INITP_02(INIT), |
| .INITP_03(INIT), |
| .INITP_04(INIT), |
| .INITP_05(INIT), |
| .INITP_06(INIT), |
| .INITP_07(INIT), |
| |
| .INIT_00(INIT0), |
| .INIT_01(INIT), |
| .INIT_02(INIT), |
| .INIT_03(INIT), |
| .INIT_04(INIT), |
| .INIT_05(INIT), |
| .INIT_06(INIT), |
| .INIT_07(INIT), |
| .INIT_08(INIT), |
| .INIT_09(INIT), |
| .INIT_0A(INIT), |
| .INIT_0B(INIT), |
| .INIT_0C(INIT), |
| .INIT_0D(INIT), |
| .INIT_0E(INIT), |
| .INIT_0F(INIT), |
| .INIT_10(INIT), |
| .INIT_11(INIT), |
| .INIT_12(INIT), |
| .INIT_13(INIT), |
| .INIT_14(INIT), |
| .INIT_15(INIT), |
| .INIT_16(INIT), |
| .INIT_17(INIT), |
| .INIT_18(INIT), |
| .INIT_19(INIT), |
| .INIT_1A(INIT), |
| .INIT_1B(INIT), |
| .INIT_1C(INIT), |
| .INIT_1D(INIT), |
| .INIT_1E(INIT), |
| .INIT_1F(INIT), |
| .INIT_20(INIT), |
| .INIT_21(INIT), |
| .INIT_22(INIT), |
| .INIT_23(INIT), |
| .INIT_24(INIT), |
| .INIT_25(INIT), |
| .INIT_26(INIT), |
| .INIT_27(INIT), |
| .INIT_28(INIT), |
| .INIT_29(INIT), |
| .INIT_2A(INIT), |
| .INIT_2B(INIT), |
| .INIT_2C(INIT), |
| .INIT_2D(INIT), |
| .INIT_2E(INIT), |
| .INIT_2F(INIT), |
| .INIT_30(INIT), |
| .INIT_31(INIT), |
| .INIT_32(INIT), |
| .INIT_33(INIT), |
| .INIT_34(INIT), |
| .INIT_35(INIT), |
| .INIT_36(INIT), |
| .INIT_37(INIT), |
| .INIT_38(INIT), |
| .INIT_39(INIT), |
| .INIT_3A(INIT), |
| .INIT_3B(INIT), |
| .INIT_3C(INIT), |
| .INIT_3D(INIT), |
| .INIT_3E(INIT), |
| .INIT_3F(INIT), |
| |
| .IS_CLKARDCLK_INVERTED(1'b0), |
| .IS_CLKBWRCLK_INVERTED(1'b0), |
| .IS_ENARDEN_INVERTED(1'b0), |
| .IS_ENBWREN_INVERTED(1'b0), |
| .IS_RSTRAMARSTRAM_INVERTED(1'b0), |
| .IS_RSTRAMB_INVERTED(1'b0), |
| .IS_RSTREGARSTREG_INVERTED(1'b0), |
| .IS_RSTREGB_INVERTED(1'b0), |
| .RAM_MODE("TDP"), |
| .WRITE_MODE_A("WRITE_FIRST"), |
| .WRITE_MODE_B("WRITE_FIRST"), |
| .SIM_DEVICE("VIRTEX6") |
| ) ram ( |
| .CLKARDCLK(din[0]), |
| .CLKBWRCLK(din[1]), |
| .ENARDEN(din[2]), |
| .ENBWREN(din[3]), |
| .REGCEAREGCE(din[4]), |
| .REGCEB(din[5]), |
| .RSTRAMARSTRAM(din[6]), |
| .RSTRAMB(din[7]), |
| .RSTREGARSTREG(din[0]), |
| .RSTREGB(din[1]), |
| .ADDRARDADDR(din[2]), |
| .ADDRBWRADDR(din[3]), |
| .DIADI(din[4]), |
| .DIBDI(din[5]), |
| .DIPADIP(din[6]), |
| .DIPBDIP(din[7]), |
| .WEA(din[0]), |
| .WEBWE(din[1]), |
| .DOADO(dout[0]), |
| .DOBDO(dout[1]), |
| .DOPADOP(dout[2]), |
| .DOPBDOP(dout[3])); |
| |
| endmodule |
| |
| module ram_RAMB36E1 (input clk, input [7:0] din, output [7:0] dout); |
| parameter LOC = ""; |
| parameter INIT = 256'h0000000000000000000000000000000000000000000000000000000000000000; |
| |
| RAMB36E1 #( |
| .INITP_00(INIT), |
| .INITP_01(INIT), |
| .INITP_02(INIT), |
| .INITP_03(INIT), |
| .INITP_04(INIT), |
| .INITP_05(INIT), |
| .INITP_06(INIT), |
| .INITP_07(INIT), |
| .INITP_08(INIT), |
| .INITP_09(INIT), |
| .INITP_0A(INIT), |
| .INITP_0B(INIT), |
| .INITP_0C(INIT), |
| .INITP_0D(INIT), |
| .INITP_0E(INIT), |
| .INITP_0F(INIT), |
| |
| .INIT_00(INIT), |
| .INIT_01(INIT), |
| .INIT_02(INIT), |
| .INIT_03(INIT), |
| .INIT_04(INIT), |
| .INIT_05(INIT), |
| .INIT_06(INIT), |
| .INIT_07(INIT), |
| .INIT_08(INIT), |
| .INIT_09(INIT), |
| .INIT_0A(INIT), |
| .INIT_0B(INIT), |
| .INIT_0C(INIT), |
| .INIT_0D(INIT), |
| .INIT_0E(INIT), |
| .INIT_0F(INIT), |
| .INIT_10(INIT), |
| .INIT_11(INIT), |
| .INIT_12(INIT), |
| .INIT_13(INIT), |
| .INIT_14(INIT), |
| .INIT_15(INIT), |
| .INIT_16(INIT), |
| .INIT_17(INIT), |
| .INIT_18(INIT), |
| .INIT_19(INIT), |
| .INIT_1A(INIT), |
| .INIT_1B(INIT), |
| .INIT_1C(INIT), |
| .INIT_1D(INIT), |
| .INIT_1E(INIT), |
| .INIT_1F(INIT), |
| .INIT_20(INIT), |
| .INIT_21(INIT), |
| .INIT_22(INIT), |
| .INIT_23(INIT), |
| .INIT_24(INIT), |
| .INIT_25(INIT), |
| .INIT_26(INIT), |
| .INIT_27(INIT), |
| .INIT_28(INIT), |
| .INIT_29(INIT), |
| .INIT_2A(INIT), |
| .INIT_2B(INIT), |
| .INIT_2C(INIT), |
| .INIT_2D(INIT), |
| .INIT_2E(INIT), |
| .INIT_2F(INIT), |
| .INIT_30(INIT), |
| .INIT_31(INIT), |
| .INIT_32(INIT), |
| .INIT_33(INIT), |
| .INIT_34(INIT), |
| .INIT_35(INIT), |
| .INIT_36(INIT), |
| .INIT_37(INIT), |
| .INIT_38(INIT), |
| .INIT_39(INIT), |
| .INIT_3A(INIT), |
| .INIT_3B(INIT), |
| .INIT_3C(INIT), |
| .INIT_3D(INIT), |
| .INIT_3E(INIT), |
| .INIT_3F(INIT), |
| |
| .INIT_40(INIT), |
| .INIT_41(INIT), |
| .INIT_42(INIT), |
| .INIT_43(INIT), |
| .INIT_44(INIT), |
| .INIT_45(INIT), |
| .INIT_46(INIT), |
| .INIT_47(INIT), |
| .INIT_48(INIT), |
| .INIT_49(INIT), |
| .INIT_4A(INIT), |
| .INIT_4B(INIT), |
| .INIT_4C(INIT), |
| .INIT_4D(INIT), |
| .INIT_4E(INIT), |
| .INIT_4F(INIT), |
| .INIT_50(INIT), |
| .INIT_51(INIT), |
| .INIT_52(INIT), |
| .INIT_53(INIT), |
| .INIT_54(INIT), |
| .INIT_55(INIT), |
| .INIT_56(INIT), |
| .INIT_57(INIT), |
| .INIT_58(INIT), |
| .INIT_59(INIT), |
| .INIT_5A(INIT), |
| .INIT_5B(INIT), |
| .INIT_5C(INIT), |
| .INIT_5D(INIT), |
| .INIT_5E(INIT), |
| .INIT_5F(INIT), |
| .INIT_60(INIT), |
| .INIT_61(INIT), |
| .INIT_62(INIT), |
| .INIT_63(INIT), |
| .INIT_64(INIT), |
| .INIT_65(INIT), |
| .INIT_66(INIT), |
| .INIT_67(INIT), |
| .INIT_68(INIT), |
| .INIT_69(INIT), |
| .INIT_6A(INIT), |
| .INIT_6B(INIT), |
| .INIT_6C(INIT), |
| .INIT_6D(INIT), |
| .INIT_6E(INIT), |
| .INIT_6F(INIT), |
| .INIT_70(INIT), |
| .INIT_71(INIT), |
| .INIT_72(INIT), |
| .INIT_73(INIT), |
| .INIT_74(INIT), |
| .INIT_75(INIT), |
| .INIT_76(INIT), |
| .INIT_77(INIT), |
| .INIT_78(INIT), |
| .INIT_79(INIT), |
| .INIT_7A(INIT), |
| .INIT_7B(INIT), |
| .INIT_7C(INIT), |
| .INIT_7D(INIT), |
| .INIT_7E(INIT), |
| .INIT_7F(INIT), |
| |
| .IS_CLKARDCLK_INVERTED(1'b0), |
| .IS_CLKBWRCLK_INVERTED(1'b0), |
| .IS_ENARDEN_INVERTED(1'b0), |
| .IS_ENBWREN_INVERTED(1'b0), |
| .IS_RSTRAMARSTRAM_INVERTED(1'b0), |
| .IS_RSTRAMB_INVERTED(1'b0), |
| .IS_RSTREGARSTREG_INVERTED(1'b0), |
| .IS_RSTREGB_INVERTED(1'b0), |
| .RAM_MODE("TDP"), |
| .WRITE_MODE_A("WRITE_FIRST"), |
| .WRITE_MODE_B("WRITE_FIRST"), |
| .SIM_DEVICE("VIRTEX6") |
| ) ram ( |
| .CLKARDCLK(din[0]), |
| .CLKBWRCLK(din[1]), |
| .ENARDEN(din[2]), |
| .ENBWREN(din[3]), |
| .REGCEAREGCE(din[4]), |
| .REGCEB(din[5]), |
| .RSTRAMARSTRAM(din[6]), |
| .RSTRAMB(din[7]), |
| .RSTREGARSTREG(din[0]), |
| .RSTREGB(din[1]), |
| .ADDRARDADDR(din[2]), |
| .ADDRBWRADDR(din[3]), |
| .DIADI(din[4]), |
| .DIBDI(din[5]), |
| .DIPADIP(din[6]), |
| .DIPBDIP(din[7]), |
| .WEA(din[0]), |
| .WEBWE(din[1]), |
| .DOADO(dout[0]), |
| .DOBDO(dout[1]), |
| .DOPADOP(dout[2]), |
| .DOPBDOP(dout[3])); |
| endmodule |
| |