diff options
Diffstat (limited to 'fpga/usrp2/simple_gemac/simple_gemac_wrapper19.v')
| -rw-r--r-- | fpga/usrp2/simple_gemac/simple_gemac_wrapper19.v | 174 |
1 files changed, 0 insertions, 174 deletions
diff --git a/fpga/usrp2/simple_gemac/simple_gemac_wrapper19.v b/fpga/usrp2/simple_gemac/simple_gemac_wrapper19.v deleted file mode 100644 index 3e1793d82..000000000 --- a/fpga/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 |