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authormatt2009-04-02 08:19:03 +0000
committermatt2009-04-02 08:19:03 +0000
commit86dcbdae517f01db67be267cbda600471c044939 (patch)
tree0881cabd649cd0aea576d00f30c93a01a5a05a47 /usrp2/fpga/simple_gemac/simple_gemac_tb.v
parenta275411e4473968c2fe5114b092fc665efdf21ac (diff)
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test multiple error types
git-svn-id: http://gnuradio.org/svn/gnuradio/trunk@10744 221aa14e-8319-0410-a670-987f0aec2ac5
Diffstat (limited to 'usrp2/fpga/simple_gemac/simple_gemac_tb.v')
-rw-r--r--usrp2/fpga/simple_gemac/simple_gemac_tb.v36
1 files changed, 30 insertions, 6 deletions
diff --git a/usrp2/fpga/simple_gemac/simple_gemac_tb.v b/usrp2/fpga/simple_gemac/simple_gemac_tb.v
index 2465cce69..a172b63a7 100644
--- a/usrp2/fpga/simple_gemac/simple_gemac_tb.v
+++ b/usrp2/fpga/simple_gemac/simple_gemac_tb.v
@@ -18,14 +18,17 @@ module simple_gemac_tb;
wire [7:0] rx_data, tx_data;
reg [15:0] pause_time;
- reg pause_req = 0;
+ reg pause_req = 0;
- wire GMII_RX_CLK = GMII_GTX_CLK;
+ wire GMII_RX_CLK = GMII_GTX_CLK;
+ reg [7:0] FORCE_DAT_ERR = 0;
+ reg FORCE_ERR = 0;
+
// Loopback
assign GMII_RX_DV = GMII_TX_EN;
- assign GMII_RX_ER = GMII_TX_ER;
- assign GMII_RXD = GMII_TXD;
+ assign GMII_RX_ER = GMII_TX_ER | FORCE_ERR;
+ assign GMII_RXD = GMII_TXD ^ FORCE_DAT_ERR;
simple_gemac simple_gemac
(.clk125(clk), .reset(reset),
@@ -48,7 +51,7 @@ module simple_gemac_tb;
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_data(rx_ll_data), .ll_sof(rx_ll_sof), .ll_eof(rx_ll_eof), .ll_error(rx_ll_error),
.ll_src_rdy(rx_ll_src_rdy), .ll_dst_rdy(rx_ll_dst_rdy));
ll8_shortfifo rx_sfifo
@@ -92,7 +95,7 @@ module simple_gemac_tb;
initial
for (i=0;i<65536;i=i+1)
pkt_rom[i] <= 8'h0;
-
+
initial
begin
@(negedge reset);
@@ -135,6 +138,27 @@ module simple_gemac_tb;
#100000 $finish;
end
+ initial
+ begin
+ #90000;
+ @(posedge clk);
+ FORCE_DAT_ERR <= 8'h10;
+ @(posedge clk);
+ FORCE_DAT_ERR <= 8'h00;
+ end
+
+ initial
+ begin
+ #116000;
+ @(posedge clk);
+ FORCE_ERR <= 1;
+ @(posedge clk);
+ FORCE_ERR <= 0;
+ end
+
+ // Tests: Send and recv flow control, send and receive good packets, RX CRC err, RX_ER
+ // Still need to test: RX overrun, TX underrun
+
/*
always @(posedge clk)
if(GMII_TX_EN)