diff options
Diffstat (limited to 'usrp2/fpga')
| -rw-r--r-- | usrp2/fpga/simple_gemac/simple_gemac_tb.v | 54 |
1 files changed, 46 insertions, 8 deletions
diff --git a/usrp2/fpga/simple_gemac/simple_gemac_tb.v b/usrp2/fpga/simple_gemac/simple_gemac_tb.v index 434c84a4a..ff90c8d13 100644 --- a/usrp2/fpga/simple_gemac/simple_gemac_tb.v +++ b/usrp2/fpga/simple_gemac/simple_gemac_tb.v @@ -13,19 +13,13 @@ module simple_gemac_tb; wire [7:0] GMII_RXD, GMII_TXD; wire rx_valid, rx_error, rx_ack; - wire tx_ack; - reg tx_valid = 0, tx_error = 0; + wire tx_ack, tx_valid, tx_error; - wire [7:0] rx_data; - reg [7:0] tx_data; + wire [7:0] rx_data, tx_data; reg [15:0] pause_time; reg pause_req = 0; -// reg GMII_RX_CLK; -// always @(GMII_GTX_CLK) -// GMII_RX_CLK <= #30 GMII_GTX_CLK; - wire GMII_RX_CLK = GMII_GTX_CLK; // Loopback @@ -46,6 +40,44 @@ module simple_gemac_tb; .tx_valid(tx_valid), .tx_error(tx_error), .tx_ack(tx_ack) ); + wire rx_ll_sof, rx_ll_eof, rx_ll_src_rdy, rx_ll_dst_rdy; + wire rx_ll_sof2, rx_ll_eof2, rx_ll_src_rdy2, rx_ll_dst_rdy2; + wire [7:0] rx_ll_data, rx_ll_data2; + wire rx_ll_error, rx_ll_error2; + + rxmac_to_ll8 rx_adapt + (.clk(clk), .reset(reset), .clear(0), + .rx_data(rx_data), .rx_valid(rx_valid), .rx_error(rx_error), .rx_ack(rx_ack), + .ll_data(rx_ll_data), .ll_sof(rx_ll_sof), .ll_eof(rx_ll_eof), + .ll_src_rdy(rx_ll_src_rdy), .ll_dst_rdy(rx_ll_dst_rdy)); + + ll8_shortfifo rx_sfifo + (.clk(clk), .reset(reset), .clear(0), + .datain(rx_ll_data), .sof_i(rx_ll_sof), .eof_i(rx_ll_eof), + .error_i(rx_ll_error), .src_rdy_i(rx_ll_src_rdy), .dst_rdy_o(rx_ll_dst_rdy), + .dataout(rx_ll_data2), .sof_o(rx_ll_sof2), .eof_o(rx_ll_eof2), + .error_o(rx_ll_error2), .src_rdy_o(rx_ll_src_rdy2), .dst_rdy_i(rx_ll_dst_rdy2)); + + assign rx_ll_dst_rdy2 = 1; + + wire tx_ll_sof, tx_ll_eof, tx_ll_src_rdy, tx_ll_dst_rdy; + wire tx_ll_sof2, tx_ll_eof2, tx_ll_src_rdy2, tx_ll_dst_rdy2; + wire [7:0] tx_ll_data, tx_ll_data2; + wire tx_ll_error, tx_ll_error2; + + ll8_shortfifo tx_sfifo + (.clk(clk), .reset(reset), .clear(clear), + .datain(tx_ll_data2), .sof_i(tx_ll_sof2), .eof_i(tx_ll_sof2), + .error_i(tx_ll_error2), .src_rdy_i(tx_ll_src_rdy2), .dst_rdy_i(tx_ll_dst_rdy2), + .dataout(tx_ll_data), .sof_o(tx_ll_sof), .eof_o(tx_ll_eof), + .error_o(tx_ll_error), .src_rdy_o(tx_ll_src_rdy), .dst_rdy_o(tx_ll_dst_rdy)); + + ll8_to_txmac ll8_to_txmac + (.clk(clk), .reset(reset), .clear(clear), + .ll_data(tx_ll_data), .ll_sof(tx_ll_sof), .ll_eof(tx_ll_eof), + .ll_src_rdy(tx_ll_src_rdy), .ll_dst_rdy(tx_ll_dst_rdy), + .tx_data(tx_data), .tx_valid(tx_valid), .tx_error(tx_error), .tx_ack(tx_ack)); + task SendFlowCtrl; input [15:0] fc_len; begin @@ -155,9 +187,15 @@ module simple_gemac_tb; #10000 $finish; end + /* always @(posedge clk) if(GMII_TX_EN) $display("%x",GMII_TXD); + */ + + always @(posedge clk) + if(rx_ll_src_rdy2 & rx_ll_dst_rdy2) + $display("RX-PKT SOF %d EOF %d ERR%d DAT %x, TIME=%d",rx_ll_sof2,rx_ll_eof2,rx_ll_error2,rx_ll_data2,$time); endmodule // simple_gemac_tb |