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authorMatt Ettus <matt@ettus.com>2011-07-27 20:55:24 -0700
committerMatt Ettus <matt@ettus.com>2011-07-28 09:18:33 -0700
commitb57d39b957762a5ae2536b2255a8c16155b8dfac (patch)
tree49aebb6df4b35b46f31cdb892f23476430c5e3cc /usrp2/simple_gemac
parent9c796fb47f37544f9ea10bb2b152a160b21ea278 (diff)
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simple_gemac: remove old 19-bit wide wrapper
Diffstat (limited to 'usrp2/simple_gemac')
-rw-r--r--usrp2/simple_gemac/Makefile.srcs1
-rwxr-xr-xusrp2/simple_gemac/simple_gemac_wrapper19.build1
-rw-r--r--usrp2/simple_gemac/simple_gemac_wrapper19.v174
-rw-r--r--usrp2/simple_gemac/simple_gemac_wrapper19_tb.v226
4 files changed, 0 insertions, 402 deletions
diff --git a/usrp2/simple_gemac/Makefile.srcs b/usrp2/simple_gemac/Makefile.srcs
index 7bcc58c91..4ba3852b0 100644
--- a/usrp2/simple_gemac/Makefile.srcs
+++ b/usrp2/simple_gemac/Makefile.srcs
@@ -7,7 +7,6 @@
##################################################
SIMPLE_GEMAC_SRCS = $(abspath $(addprefix $(BASE_DIR)/../simple_gemac/, \
simple_gemac_wrapper.v \
-simple_gemac_wrapper19.v \
simple_gemac.v \
simple_gemac_wb.v \
simple_gemac_tx.v \
diff --git a/usrp2/simple_gemac/simple_gemac_wrapper19.build b/usrp2/simple_gemac/simple_gemac_wrapper19.build
deleted file mode 100755
index b9475baa2..000000000
--- a/usrp2/simple_gemac/simple_gemac_wrapper19.build
+++ /dev/null
@@ -1 +0,0 @@
-iverilog -Wimplict -Wportbind -y ../fifo/ -y ../models/ -y . -y miim -y ../coregen/ -y ../control_lib/ -o simple_gemac_wrapper19_tb simple_gemac_wrapper19_tb.v
diff --git a/usrp2/simple_gemac/simple_gemac_wrapper19.v b/usrp2/simple_gemac/simple_gemac_wrapper19.v
deleted file mode 100644
index 3e1793d82..000000000
--- a/usrp2/simple_gemac/simple_gemac_wrapper19.v
+++ /dev/null
@@ -1,174 +0,0 @@
-//
-// Copyright 2011 Ettus Research LLC
-//
-// This program is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-//
-// This program is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-// GNU General Public License for more details.
-//
-// You should have received a copy of the GNU General Public License
-// along with this program. If not, see <http://www.gnu.org/licenses/>.
-//
-
-
-module simple_gemac_wrapper19
- #(parameter RXFIFOSIZE=9,
- parameter TXFIFOSIZE=6)
- (input clk125, input reset,
- // GMII
- output GMII_GTX_CLK, output GMII_TX_EN, output GMII_TX_ER, output [7:0] GMII_TXD,
- input GMII_RX_CLK, input GMII_RX_DV, input GMII_RX_ER, input [7:0] GMII_RXD,
-
- // Client FIFO Interfaces
- input sys_clk,
- output [18:0] rx_f19_data, output rx_f19_src_rdy, input rx_f19_dst_rdy,
- input [18:0] tx_f19_data, input tx_f19_src_rdy, output tx_f19_dst_rdy,
-
- // Wishbone Interface
- input wb_clk, input wb_rst, input wb_stb, input wb_cyc, output wb_ack, input wb_we,
- input [7:0] wb_adr, input [31:0] wb_dat_i, output [31:0] wb_dat_o,
-
- // MIIM
- inout mdio, output mdc,
- output [31:0] debug);
-
- wire clear = 0;
- wire [7:0] rx_data, tx_data;
- wire tx_clk, tx_valid, tx_error, tx_ack;
- wire rx_clk, rx_valid, rx_error, rx_ack;
-
- wire [47:0] ucast_addr, mcast_addr;
- wire pass_ucast, pass_mcast, pass_bcast, pass_pause, pass_all;
- wire pause_req;
- wire pause_request_en, pause_respect_en;
- wire [15:0] pause_time, pause_thresh, pause_time_req, rx_fifo_space;
-
- wire [31:0] debug_state;
-
- wire tx_reset, rx_reset;
- reset_sync reset_sync_tx (.clk(tx_clk),.reset_in(reset),.reset_out(tx_reset));
- reset_sync reset_sync_rx (.clk(rx_clk),.reset_in(reset),.reset_out(rx_reset));
-
- simple_gemac simple_gemac
- (.clk125(clk125), .reset(reset),
- .GMII_GTX_CLK(GMII_GTX_CLK), .GMII_TX_EN(GMII_TX_EN),
- .GMII_TX_ER(GMII_TX_ER), .GMII_TXD(GMII_TXD),
- .GMII_RX_CLK(GMII_RX_CLK), .GMII_RX_DV(GMII_RX_DV),
- .GMII_RX_ER(GMII_RX_ER), .GMII_RXD(GMII_RXD),
- .pause_req(pause_req), .pause_time_req(pause_time_req),
- .pause_respect_en(pause_respect_en),
- .ucast_addr(ucast_addr), .mcast_addr(mcast_addr),
- .pass_ucast(pass_ucast), .pass_mcast(pass_mcast), .pass_bcast(pass_bcast),
- .pass_pause(pass_pause), .pass_all(pass_all),
- .rx_clk(rx_clk), .rx_data(rx_data),
- .rx_valid(rx_valid), .rx_error(rx_error), .rx_ack(rx_ack),
- .tx_clk(tx_clk), .tx_data(tx_data),
- .tx_valid(tx_valid), .tx_error(tx_error), .tx_ack(tx_ack),
- .debug(debug_state)
- );
-
- simple_gemac_wb simple_gemac_wb
- (.wb_clk(wb_clk), .wb_rst(wb_rst),
- .wb_cyc(wb_cyc), .wb_stb(wb_stb), .wb_ack(wb_ack), .wb_we(wb_we),
- .wb_adr(wb_adr), .wb_dat_i(wb_dat_i), .wb_dat_o(wb_dat_o),
- .mdio(mdio), .mdc(mdc),
- .ucast_addr(ucast_addr), .mcast_addr(mcast_addr),
- .pass_ucast(pass_ucast), .pass_mcast(pass_mcast), .pass_bcast(pass_bcast),
- .pass_pause(pass_pause), .pass_all(pass_all),
- .pause_respect_en(pause_respect_en), .pause_request_en(pause_request_en),
- .pause_time(pause_time), .pause_thresh(pause_thresh) );
-
- // RX FIFO Chain
- wire rx_ll_sof, rx_ll_eof, rx_ll_src_rdy, rx_ll_dst_rdy;
- wire [7:0] rx_ll_data;
-
- wire [18:0] rx_f19_data_int1, rx_f19_data_int2;
- wire rx_f19_src_rdy_int1, rx_f19_dst_rdy_int1, rx_f19_src_rdy_int2, rx_f19_dst_rdy_int2;
-
- rxmac_to_ll8 rx_adapt
- (.clk(rx_clk), .reset(rx_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_error(), // error also encoded in sof/eof
- .ll_src_rdy(rx_ll_src_rdy), .ll_dst_rdy(rx_ll_dst_rdy));
-
- ll8_to_fifo19 ll8_to_fifo19
- (.clk(rx_clk), .reset(rx_reset), .clear(0),
- .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),
- .f19_data(rx_f19_data_int1), .f19_src_rdy_o(rx_f19_src_rdy_int1), .f19_dst_rdy_i(rx_f19_dst_rdy_int1));
-
- fifo19_rxrealign fifo19_rxrealign
- (.clk(rx_clk), .reset(rx_reset), .clear(0),
- .datain(rx_f19_data_int1), .src_rdy_i(rx_f19_src_rdy_int1), .dst_rdy_o(rx_f19_dst_rdy_int1),
- .dataout(rx_f19_data_int2), .src_rdy_o(rx_f19_src_rdy_int2), .dst_rdy_i(rx_f19_dst_rdy_int2) );
-
- fifo_2clock_cascade #(.WIDTH(36), .SIZE(RXFIFOSIZE)) rx_2clk_fifo
- (.wclk(rx_clk), .datain(rx_f19_data_int2),
- .src_rdy_i(rx_f19_src_rdy_int2), .dst_rdy_o(rx_f19_dst_rdy_int2), .space(rx_fifo_space),
- .rclk(sys_clk), .dataout(rx_f19_data),
- .src_rdy_o(rx_f19_src_rdy), .dst_rdy_i(rx_f19_dst_rdy), .occupied(), .arst(reset));
-
- // TX FIFO Chain
- 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 tx_ll_sof2_n, tx_ll_eof2_n, tx_ll_src_rdy2_n, tx_ll_dst_rdy2_n;
- wire [7:0] tx_ll_data, tx_ll_data2;
- wire [18:0] tx_f19_data_int1;
- wire tx_f19_src_rdy_int1, tx_f19_dst_rdy_int1;
-
- fifo_2clock_cascade #(.WIDTH(19), .SIZE(4)) tx_2clk_fifo
- (.wclk(sys_clk), .datain(tx_f19_data),
- .src_rdy_i(tx_f19_src_rdy), .dst_rdy_o(tx_f19_dst_rdy), .space(),
- .rclk(tx_clk), .dataout(tx_f19_data_int1),
- .src_rdy_o(tx_f19_src_rdy_int1), .dst_rdy_i(tx_f19_dst_rdy_int1), .occupied(), .arst(rx_reset));
-
- fifo19_to_ll8 fifo19_to_ll8
- (.clk(tx_clk), .reset(tx_reset), .clear(clear),
- .f19_data(tx_f19_data_int1), .f19_src_rdy_i(tx_f19_src_rdy_int1), .f19_dst_rdy_o(tx_f19_dst_rdy_int1),
- .ll_data(tx_ll_data2), .ll_sof_n(tx_ll_sof2_n), .ll_eof_n(tx_ll_eof2_n),
- .ll_src_rdy_n(tx_ll_src_rdy2_n), .ll_dst_rdy_n(tx_ll_dst_rdy2_n));
-
- assign tx_ll_sof2 = ~tx_ll_sof2_n;
- assign tx_ll_eof2 = ~tx_ll_eof2_n;
- assign tx_ll_src_rdy2 = ~tx_ll_src_rdy2_n;
- assign tx_ll_dst_rdy2_n = ~tx_ll_dst_rdy2;
-
- ll8_shortfifo tx_sfifo
- (.clk(tx_clk), .reset(tx_reset), .clear(clear),
- .datain(tx_ll_data2), .sof_i(tx_ll_sof2), .eof_i(tx_ll_eof2),
- .error_i(0), .src_rdy_i(tx_ll_src_rdy2), .dst_rdy_o(tx_ll_dst_rdy2),
- .dataout(tx_ll_data), .sof_o(tx_ll_sof), .eof_o(tx_ll_eof),
- .error_o(), .src_rdy_o(tx_ll_src_rdy), .dst_rdy_i(tx_ll_dst_rdy));
-
- ll8_to_txmac ll8_to_txmac
- (.clk(tx_clk), .reset(tx_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));
-
- // Flow Control
- flow_ctrl_rx flow_ctrl_rx
- (.pause_request_en(pause_request_en), .pause_time(pause_time), .pause_thresh(pause_thresh),
- .rx_clk(rx_clk), .rx_reset(rx_reset), .rx_fifo_space(rx_fifo_space),
- .tx_clk(tx_clk), .tx_reset(tx_reset), .pause_req(pause_req), .pause_time_req(pause_time_req));
-
- wire [31:0] debug_tx, debug_rx;
-
- assign debug_tx = { { tx_ll_data },
- { tx_ll_sof, tx_ll_eof, tx_ll_src_rdy, tx_ll_dst_rdy,
- tx_ll_sof2, tx_ll_eof2, tx_ll_src_rdy2, tx_ll_dst_rdy2 },
- { tx_valid, tx_error, tx_ack, tx_f19_src_rdy_int1, tx_f19_dst_rdy_int1, tx_f19_data_int1[18:16]},
- { tx_data} };
- assign debug_rx = { { rx_f19_src_rdy, rx_f19_dst_rdy, debug_state[5:0] },
- { rx_ll_sof, rx_ll_eof, rx_ll_src_rdy, rx_ll_dst_rdy, 4'b0 },
- { rx_valid, rx_error, rx_ack, rx_f19_src_rdy_int1, rx_f19_dst_rdy_int1, rx_f19_data_int1[18:16]},
- { rx_data} };
-
- assign debug = debug_rx;
-
-endmodule // simple_gemac_wrapper19
diff --git a/usrp2/simple_gemac/simple_gemac_wrapper19_tb.v b/usrp2/simple_gemac/simple_gemac_wrapper19_tb.v
deleted file mode 100644
index 78f525fd7..000000000
--- a/usrp2/simple_gemac/simple_gemac_wrapper19_tb.v
+++ /dev/null
@@ -1,226 +0,0 @@
-//
-// Copyright 2011 Ettus Research LLC
-//
-// This program is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-//
-// This program is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-// GNU General Public License for more details.
-//
-// You should have received a copy of the GNU General Public License
-// along with this program. If not, see <http://www.gnu.org/licenses/>.
-//
-
-
-
-module simple_gemac_wrapper19_tb;
-`include "eth_tasks_f19.v"
-
- reg reset = 1;
- initial #1000 reset = 0;
- wire wb_rst = reset;
-
- reg eth_clk = 0;
- always #50 eth_clk = ~eth_clk;
-
- reg wb_clk = 0;
- always #173 wb_clk = ~wb_clk;
-
- reg sys_clk = 0;
- always #77 sys_clk = ~ sys_clk;
-
- wire GMII_RX_DV, GMII_RX_ER, GMII_TX_EN, GMII_TX_ER, GMII_GTX_CLK;
- wire [7:0] GMII_RXD, GMII_TXD;
-
- wire rx_valid, rx_error, rx_ack;
- wire tx_ack, tx_valid, tx_error;
-
- wire [7:0] rx_data, tx_data;
-
- reg [15:0] pause_time;
- reg pause_req = 0;
-
- 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 | FORCE_ERR;
- assign GMII_RXD = GMII_TXD ^ FORCE_DAT_ERR;
-
-
- wire [31:0] wb_dat_o;
- reg [31:0] wb_dat_i;
- reg [7:0] wb_adr;
- reg wb_stb=0, wb_cyc=0, wb_we=0;
- wire wb_ack;
-
- reg [19:0] tx_f19_data=0;
- reg tx_f19_src_rdy = 0;
- wire tx_f19_dst_rdy;
- wire [35:0] rx_f19_data;
- wire rx_f19_src_rdy;
- wire rx_f19_dst_rdy = 1;
-
- simple_gemac_wrapper19 simple_gemac_wrapper19
- (.clk125(eth_clk), .reset(reset),
- .GMII_GTX_CLK(GMII_GTX_CLK), .GMII_TX_EN(GMII_TX_EN),
- .GMII_TX_ER(GMII_TX_ER), .GMII_TXD(GMII_TXD),
- .GMII_RX_CLK(GMII_RX_CLK), .GMII_RX_DV(GMII_RX_DV),
- .GMII_RX_ER(GMII_RX_ER), .GMII_RXD(GMII_RXD),
- //.pause_req(pause_req), .pause_time(pause_time),
-
- .sys_clk(sys_clk), .rx_f19_data(rx_f19_data), .rx_f19_src_rdy(rx_f19_src_rdy), .rx_f19_dst_rdy(rx_f19_dst_rdy),
- .tx_f19_data(tx_f19_data), .tx_f19_src_rdy(tx_f19_src_rdy), .tx_f19_dst_rdy(tx_f19_dst_rdy),
-
- .wb_clk(wb_clk), .wb_rst(wb_rst), .wb_stb(wb_stb), .wb_cyc(wb_cyc), .wb_ack(wb_ack), .wb_we(wb_we),
- .wb_adr(wb_adr), .wb_dat_i(wb_dat_i), .wb_dat_o(wb_dat_o),
-
- .mdio(), .mdc(),
- .debug() );
-
- initial $dumpfile("simple_gemac_wrapper19_tb.vcd");
- initial $dumpvars(0,simple_gemac_wrapper19_tb);
-
- integer i;
- reg [7:0] pkt_rom[0:65535];
- reg [1023:0] ROMFile;
-
- initial
- for (i=0;i<65536;i=i+1)
- pkt_rom[i] <= 8'h0;
-
- initial
- begin
- @(negedge reset);
- repeat (10)
- @(posedge wb_clk);
- WishboneWR(0,6'b111101);
- WishboneWR(4,16'hA0B0);
- WishboneWR(8,32'hC0D0_A1B1);
- WishboneWR(12,16'h0000);
- WishboneWR(16,32'h0000_0000);
-
- @(posedge eth_clk);
- SendFlowCtrl(16'h0007); // Send flow control
- @(posedge eth_clk);
- #30000;
- @(posedge eth_clk);
- SendFlowCtrl(16'h0009); // Increase flow control before it expires
- #10000;
- @(posedge eth_clk);
- SendFlowCtrl(16'h0000); // Cancel flow control before it expires
- @(posedge eth_clk);
-
- repeat (1000)
- @(posedge sys_clk);
- SendPacket_to_fifo19(32'hA0B0C0D0,10); // This packet gets dropped by the filters
- repeat (1000)
- @(posedge sys_clk);
-
- SendPacket_to_fifo19(32'hAABBCCDD,100); // This packet gets dropped by the filters
- repeat (10)
- @(posedge sys_clk);
-/*
- SendPacketFromFile_f36(60,0,0); // The rest are valid packets
- repeat (10)
- @(posedge clk);
-
- SendPacketFromFile_f36(61,0,0);
- repeat (10)
- @(posedge clk);
- SendPacketFromFile_f36(62,0,0);
- repeat (10)
- @(posedge clk);
- SendPacketFromFile_f36(63,0,0);
- repeat (1)
- @(posedge clk);
- SendPacketFromFile_f36(64,0,0);
- repeat (10)
- @(posedge clk);
- SendPacketFromFile_f36(59,0,0);
- repeat (1)
- @(posedge clk);
- SendPacketFromFile_f36(58,0,0);
- repeat (1)
- @(posedge clk);
- SendPacketFromFile_f36(100,0,0);
- repeat (1)
- @(posedge clk);
- SendPacketFromFile_f36(200,150,30); // waiting 14 empties the fifo, 15 underruns
- repeat (1)
- @(posedge clk);
- SendPacketFromFile_f36(100,0,30);
- */
- #100000 $finish;
- end
-
- // Force a CRC error
- initial
- begin
- #90000;
- @(posedge eth_clk);
- FORCE_DAT_ERR <= 8'h10;
- @(posedge eth_clk);
- FORCE_DAT_ERR <= 8'h00;
- end
-
- // Force an RX_ER error (i.e. link loss)
- initial
- begin
- #116000;
- @(posedge eth_clk);
- FORCE_ERR <= 1;
- @(posedge eth_clk);
- FORCE_ERR <= 0;
- end
-/*
- // Cause receive fifo to fill, causing an RX overrun
- initial
- begin
- #126000;
- @(posedge clk);
- rx_ll_dst_rdy2 <= 0;
- repeat (30) // Repeat of 14 fills the shortfifo, but works. 15 overflows
- @(posedge clk);
- rx_ll_dst_rdy2 <= 1;
- end
- */
- // Tests: Send and recv flow control, send and receive good packets, RX CRC err, RX_ER, RX overrun, TX underrun
- // Still need to test: CRC errors on Pause Frames, MDIO, wishbone
-
- task WishboneWR;
- input [7:0] adr;
- input [31:0] value;
- begin
- wb_adr <= adr;
- wb_dat_i <= value;
- wb_stb <= 1;
- wb_cyc <= 1;
- wb_we <= 1;
- while (~wb_ack)
- @(posedge wb_clk);
- @(posedge wb_clk);
- wb_stb <= 0;
- wb_cyc <= 0;
- wb_we <= 0;
- end
- endtask // WishboneWR
- /*
- always @(posedge clk)
- if(rx_ll_src_rdy2 & rx_ll_dst_rdy2)
- begin
- if(rx_ll_sof2 & ~rx_ll_eof2)
- $display("RX-PKT-START %d",$time);
- $display("RX-PKT SOF %d EOF %d ERR%d DAT %x",rx_ll_sof2,rx_ll_eof2,rx_ll_error2,rx_ll_data2);
- if(rx_ll_eof2 & ~rx_ll_sof2)
- $display("RX-PKT-END %d",$time);
- end
- */
-endmodule // simple_gemac_wrapper19_tb