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[/] [openhmc/] [trunk/] [openHMC/] [rtl/] [hmc_controller/] [crc/] [crc_accu.v] - Diff between revs 11 and 15

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Rev 11 Rev 15
Line 48... Line 48...
    //----------------------------------
    //----------------------------------
    //----Input
    //----Input
    //----------------------------------
    //----------------------------------
    input  wire [FPW-1:0]       tail  ,
    input  wire [FPW-1:0]       tail  ,
    input  wire [(FPW*32)-1:0]  d_in   ,
    input  wire [(FPW*32)-1:0]  d_in   ,
    input  wire [FPW-1:0]       valid  ,
 
 
 
    //----------------------------------
    //----------------------------------
    //----Output
    //----Output
    //----------------------------------
    //----------------------------------
    output reg  [31:0]          crc_out
    output reg  [31:0]          crc_out
Line 74... Line 73...
 
 
`ifdef ASYNC_RES
`ifdef ASYNC_RES
always @(posedge clk or negedge res_n) `else
always @(posedge clk or negedge res_n) `else
always @(posedge clk) `endif
always @(posedge clk) `endif
begin
begin
 
`ifdef RESET_ALL
if (!res_n) begin
if (!res_n) begin
    crc_out     <= 32'h0;
    crc_out     <= 32'h0;
    crc_temp[0] <= 32'h0;
    end else
end
`endif
else begin
begin
    crc_out <= 32'h0;
    crc_out <= 32'h0;
 
 
    for(i_f=0;i_f<FPW;i_f=i_f+1) begin
    for(i_f=0;i_f<FPW;i_f=i_f+1) begin
        if(tail[i_f]) begin
        if(tail[i_f]) begin
            crc_out <= crc_temp[i_f+1];
            crc_out <= crc_temp[i_f+1];
        end
        end
    end
    end
 
 
    if(|tail) begin
 
        crc_temp[0] <= 32'h0;
 
    end else begin
 
        crc_temp[0] <= crc_temp[FPW];
 
    end
    end
end
end
 
 
 
`ifdef ASYNC_RES
 
always @(posedge clk or negedge res_n) `else
 
always @(posedge clk) `endif
 
begin
 
    if (!res_n)
 
        crc_temp[0] <= 32'h0;
 
    else
 
        crc_temp[0] <= |tail ? 32'h0 : crc_temp[FPW];
end
end
 
 
always @(*)
always @(*)
begin
begin
        for(i_f=0;i_f<FPW;i_f=i_f+1) begin
        for(i_f=0;i_f<FPW;i_f=i_f+1) begin

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