diff options
| -rw-r--r-- | eth/mac_rxfifo_int.v | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/eth/mac_rxfifo_int.v b/eth/mac_rxfifo_int.v index 9393cbd12..6f6c5ed38 100644 --- a/eth/mac_rxfifo_int.v +++ b/eth/mac_rxfifo_int.v @@ -32,13 +32,24 @@ module mac_rxfifo_int // Write side of short FIFO assign write = ~full & ~Rx_mac_empty; assign Rx_mac_rd = write; + +`define LONGFIFO 0 +`ifdef LONGFIFO + cascadefifo2 #(.WIDTH(35),.SIZE(10)) mac_rx_longfifo + (.clk(clk),.rst(rst),.clear(0), + .datain({Rx_mac_sop,Rx_mac_eop,Rx_mac_err,Rx_mac_data}),.write(write),.full(full), + .dataout({sop_o,eop_o,error_o,wr_dat_o}),.read(read),.empty(empty), + .space(), .occupied(fifo_occupied) ); +`else shortfifo #(.WIDTH(35)) mac_rx_sfifo (.clk(clk),.rst(rst),.clear(0), .datain({Rx_mac_sop,Rx_mac_eop,Rx_mac_err,Rx_mac_data}),.write(write),.full(full), .dataout({sop_o,eop_o,error_o,wr_dat_o}),.read(read),.empty(empty), .space(), .occupied(fifo_occupied[4:0]) ); assign fifo_occupied[15:5] = 0; +`endif + assign fifo_full = full; assign fifo_empty = empty; |