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-rw-r--r--usrp2/fpga/simple_gemac/simple_gemac_rx.v34
1 files changed, 34 insertions, 0 deletions
diff --git a/usrp2/fpga/simple_gemac/simple_gemac_rx.v b/usrp2/fpga/simple_gemac/simple_gemac_rx.v
new file mode 100644
index 000000000..8650a69a9
--- /dev/null
+++ b/usrp2/fpga/simple_gemac/simple_gemac_rx.v
@@ -0,0 +1,34 @@
+
+
+module simple_gemac_rx
+ (input clk125, input reset,
+ input GMII_RX_CLK, input GMII_RX_DV, input GMII_RX_ER, input [7:0] GMII_RXD,
+ output rx_clk, output [7:0] rx_data, output rx_valid, output rx_error, output rx_ack,
+ output reg [15:0] pause_quanta_rcvd, output reg pause_rcvd );
+
+
+
+ initial
+ begin
+ pause_rcvd <= 0;
+ pause_quanta_rcvd = 10;
+ #50000 pause_rcvd <= 1;
+ @(posedge rx_clk)
+ pause_rcvd <= 0;
+ repeat (100)
+ @(posedge rx_clk);
+ pause_quanta_rcvd <= 15;
+ pause_rcvd <= 1;
+ @(posedge rx_clk)
+ pause_rcvd <= 0;
+ repeat (1200)
+ @(posedge rx_clk);
+ pause_rcvd <= 1;
+ @(posedge rx_clk)
+ pause_rcvd <= 0;
+
+ end
+
+ assign rx_clk = GMII_RX_CLK;
+
+endmodule // simple_gemac_rx