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[/] [openrisc/] [trunk/] [orpsocv2/] [rtl/] [verilog/] [ethmac/] [eth_spram_256x32.v] - Diff between revs 409 and 439

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Rev 409 Rev 439
Line 74... Line 74... 
`include "ethmac_defines.v"
 
`include "ethmac_defines.v"
 
`include "timescale.v"
 
`include "timescale.v"
 
 
 
 
 
module eth_spram_256x32(
 
module eth_spram_256x32(
 
                        // Generic synchronous single-port RAM interface
 
                        // Generic synchronous single-port RAM interface
 
                        clk, rst, ce, we, oe, addr, di, do
 
                        clk, rst, ce, we, oe, addr, di, dato
 
 
 
 
 
`ifdef ETH_BIST
 
`ifdef ETH_BIST
 
                        ,
 
                        ,
 
                        // debug chain signals
 
                        // debug chain signals
 
                        mbist_si_i,       // bist scan serial in
 
                        mbist_si_i,       // bist scan serial in
Line 99... Line 99... 
   input           ce;   // Chip enable input, active high
 
   input           ce;   // Chip enable input, active high
 
   input [we_width-1:0] we;   // Write enable input, active high
 
   input [we_width-1:0] we;   // Write enable input, active high
 
   input                oe;   // Output enable input, active high
 
   input                oe;   // Output enable input, active high
 
   input [7:0]           addr; // address bus inputs
 
   input [7:0]           addr; // address bus inputs
 
   input [31:0]  di;   // input data bus
 
   input [31:0]  di;   // input data bus
 
   output [31:0]         do;   // output data bus
 
   output [31:0]         dato;   // output data bus
 
 
 
 
 
 
 
 
 
`ifdef ETH_BIST
 
`ifdef ETH_BIST
 
   input           mbist_si_i;       // bist scan serial in
 
   input           mbist_si_i;       // bist scan serial in
 
   output          mbist_so_o;       // bist scan serial out
 
   output          mbist_so_o;       // bist scan serial out
Line 134... Line 134... 
    .RST     (rst)
 
    .RST     (rst)
 
    );*/
 
    );*/
 
 
 
 
 
   RAMB4_S8 ram0
 
   RAMB4_S8 ram0
 
     (
 
     (
 
      .DO      (do[7:0]),
 
      .DO      (dato[7:0]),
 
      .ADDR    ({1'b0, addr}),
 
      .ADDR    ({1'b0, addr}),
 
      .DI      (di[7:0]),
 
      .DI      (di[7:0]),
 
      .EN      (ce),
 
      .EN      (ce),
 
      .CLK     (clk),
 
      .CLK     (clk),
 
      .WE      (we[0]),
 
      .WE      (we[0]),
 
      .RST     (rst)
 
      .RST     (rst)
 
      );
 
      );
 
 
 
 
 
   RAMB4_S8 ram1
 
   RAMB4_S8 ram1
 
     (
 
     (
 
      .DO      (do[15:8]),
 
      .DO      (dato[15:8]),
 
      .ADDR    ({1'b0, addr}),
 
      .ADDR    ({1'b0, addr}),
 
      .DI      (di[15:8]),
 
      .DI      (di[15:8]),
 
      .EN      (ce),
 
      .EN      (ce),
 
      .CLK     (clk),
 
      .CLK     (clk),
 
      .WE      (we[1]),
 
      .WE      (we[1]),
 
      .RST     (rst)
 
      .RST     (rst)
 
      );
 
      );
 
 
 
 
 
   RAMB4_S8 ram2
 
   RAMB4_S8 ram2
 
     (
 
     (
 
      .DO      (do[23:16]),
 
      .DO      (dato[23:16]),
 
      .ADDR    ({1'b0, addr}),
 
      .ADDR    ({1'b0, addr}),
 
      .DI      (di[23:16]),
 
      .DI      (di[23:16]),
 
      .EN      (ce),
 
      .EN      (ce),
 
      .CLK     (clk),
 
      .CLK     (clk),
 
      .WE      (we[2]),
 
      .WE      (we[2]),
 
      .RST     (rst)
 
      .RST     (rst)
 
      );
 
      );
 
 
 
 
 
   RAMB4_S8 ram3
 
   RAMB4_S8 ram3
 
     (
 
     (
 
      .DO      (do[31:24]),
 
      .DO      (dato[31:24]),
 
      .ADDR    ({1'b0, addr}),
 
      .ADDR    ({1'b0, addr}),
 
      .DI      (di[31:24]),
 
      .DI      (di[31:24]),
 
      .EN      (ce),
 
      .EN      (ce),
 
      .CLK     (clk),
 
      .CLK     (clk),
 
      .WE      (we[3]),
 
      .WE      (we[3]),
Line 192... Line 192... 
        .CEN        (!ce),
 
        .CEN        (!ce),
 
        .WEN        (~we),
 
        .WEN        (~we),
 
        .OEN        (!oe),
 
        .OEN        (!oe),
 
        .ADR        (addr),
 
        .ADR        (addr),
 
        .DI         (di),
 
        .DI         (di),
 
        .DOUT       (do)
 
        .DOUT       (dato)
 
 
 
 
 
  `ifdef ETH_BIST
 
  `ifdef ETH_BIST
 
        ,
 
        ,
 
        // debug chain signals
 
        // debug chain signals
 
        .mbist_si_i       (mbist_si_i),
 
        .mbist_si_i       (mbist_si_i),
Line 220... Line 220... 
        .CEN        (!ce),
 
        .CEN        (!ce),
 
        .WEN        (~we),
 
        .WEN        (~we),
 
        .OEN        (!oe),
 
        .OEN        (!oe),
 
        .A          (addr),
 
        .A          (addr),
 
        .D          (di),
 
        .D          (di),
 
        .Q          (do)
 
        .Q          (dato)
 
 
 
 
 
   `ifdef ETH_BIST
 
   `ifdef ETH_BIST
 
        ,
 
        ,
 
        // debug chain signals
 
        // debug chain signals
 
        .mbist_si_i       (mbist_si_i),
 
        .mbist_si_i       (mbist_si_i),
Line 240... Line 240... 
     (
 
     (
 
      .address        (addr),
 
      .address        (addr),
 
      .wren           (ce & we),
 
      .wren           (ce & we),
 
      .clock          (clk),
 
      .clock          (clk),
 
      .data           (di),
 
      .data           (di),
 
      .q              (do)
 
      .q              (dato)
 
      );  //exemplar attribute altera_spram_256x32_inst NOOPT TRUE
 
      );  //exemplar attribute altera_spram_256x32_inst NOOPT TRUE
 
 
 
 
 
   `else   // !ETH_ALTERA_ALTSYNCRAM
 
   `else   // !ETH_ALTERA_ALTSYNCRAM
 
 
 
 
 
 
 
 
Line 266... Line 266... 
 
 
 
 
   //
 
   //
 
   // Data output drivers
 
   // Data output drivers
 
   //
 
   //
 
   //assign do = (oe & ce) ? q : {32{1'bz}};
 
   //assign do = (oe & ce) ? q : {32{1'bz}};
 
   assign do = (oe & ce) ? q : {32{1'bx}};
 
   assign dato = (oe & ce) ? q : {32{1'bx}};
 
 
 
 
 
   //
 
   //
 
   // RAM read and write
 
   // RAM read and write
 
   //
 
   //
 
 
 
 
Line 319... Line 319... 
   task print_ram;
 
   task print_ram;
 
      input [7:0] start;
 
      input [7:0] start;
 
      input [7:0] finish;
 
      input [7:0] finish;
 
      integer     rnum;
 
      integer     rnum;
 
      begin
 
      begin
 
         for (rnum=start;rnum<=finish;rnum=rnum+1)
 
         for (rnum={24'd0,start};rnum<={24'd0,finish};rnum=rnum+1)
 
           $display("Addr %h = %0h %0h %0h %0h",rnum,mem3[rnum],mem2[rnum],mem1[rnum],mem0[rnum]);
 
           $display("Addr %h = %0h %0h %0h %0h",rnum,mem3[rnum],mem2[rnum],mem1[rnum],mem0[rnum]);
 
      end
 
      end
 
   endtask
 
   endtask
 
 
 
 
 
   `endif  // !ETH_ALTERA_ALTSYNCRAM
 
   `endif  // !ETH_ALTERA_ALTSYNCRAM

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