diff options
Diffstat (limited to 'fpga/usrp2/simple_gemac')
| -rw-r--r-- | fpga/usrp2/simple_gemac/simple_gemac_wrapper.v | 90 | ||||
| -rw-r--r-- | fpga/usrp2/simple_gemac/simple_gemac_wrapper19.v | 38 |
2 files changed, 50 insertions, 78 deletions
diff --git a/fpga/usrp2/simple_gemac/simple_gemac_wrapper.v b/fpga/usrp2/simple_gemac/simple_gemac_wrapper.v index efcf89276..b783729d5 100644 --- a/fpga/usrp2/simple_gemac/simple_gemac_wrapper.v +++ b/fpga/usrp2/simple_gemac/simple_gemac_wrapper.v @@ -1,7 +1,7 @@ module simple_gemac_wrapper #(parameter RXFIFOSIZE=9, - parameter TXFIFOSIZE=6) + parameter TXFIFOSIZE=9) (input clk125, input reset, // GMII output GMII_GTX_CLK, output GMII_TX_EN, output GMII_TX_ER, output [7:0] GMII_TXD, @@ -30,7 +30,9 @@ module simple_gemac_wrapper 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)); @@ -49,7 +51,8 @@ module simple_gemac_wrapper .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) + .tx_valid(tx_valid), .tx_error(tx_error), .tx_ack(tx_ack), + .debug(debug_state) ); simple_gemac_wb simple_gemac_wb @@ -65,14 +68,12 @@ module simple_gemac_wrapper // 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 rx_ll_sof2, rx_ll_eof2, rx_ll_src_rdy2, rx_ll_dst_rdy2; - wire rx_ll_sof2_n, rx_ll_eof2_n, rx_ll_src_rdy2_n, rx_ll_dst_rdy2_n; - - wire [7:0] rx_ll_data, rx_ll_data2; - - wire [35:0] rx_f36_data_int1; - wire rx_f36_src_rdy_int1, rx_f36_dst_rdy_int1; + 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; + wire [35:0] rx_f36_data_int; + wire rx_f36_src_rdy_int, rx_f36_dst_rdy_int; rxmac_to_ll8 rx_adapt (.clk(rx_clk), .reset(rx_reset), .clear(0), @@ -80,86 +81,69 @@ module simple_gemac_wrapper .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_shortfifo rx_sfifo + ll8_to_fifo19 ll8_to_fifo19 (.clk(rx_clk), .reset(rx_reset), .clear(0), - .datain(rx_ll_data), .sof_i(rx_ll_sof), .eof_i(rx_ll_eof), - .error_i(0), .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(), .src_rdy_o(rx_ll_src_rdy2), .dst_rdy_i(rx_ll_dst_rdy2)); + .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)); - assign rx_ll_dst_rdy2 = ~rx_ll_dst_rdy2_n; - assign rx_ll_src_rdy2_n = ~rx_ll_src_rdy2; - assign rx_ll_sof2_n = ~rx_ll_sof2; - assign rx_ll_eof2_n = ~rx_ll_eof2; - - ll8_to_fifo36 ll8_to_fifo36 + 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) ); + + fifo19_to_fifo36 rx_fifo19_to_fifo36 (.clk(rx_clk), .reset(rx_reset), .clear(0), - .ll_data(rx_ll_data2), .ll_sof_n(rx_ll_sof2_n), .ll_eof_n(rx_ll_eof2_n), - .ll_src_rdy_n(rx_ll_src_rdy2_n), .ll_dst_rdy_n(rx_ll_dst_rdy2_n), - .f36_data(rx_f36_data_int1), .f36_src_rdy_o(rx_f36_src_rdy_int1), .f36_dst_rdy_i(rx_f36_dst_rdy_int1)); + .f19_datain(rx_f19_data_int2), .f19_src_rdy_i(rx_f19_src_rdy_int2), .f19_dst_rdy_o(rx_f19_dst_rdy_int2), + .f36_dataout(rx_f36_data_int), .f36_src_rdy_o(rx_f36_src_rdy_int), .f36_dst_rdy_i(rx_f36_dst_rdy_int) ); fifo_2clock_cascade #(.WIDTH(36), .SIZE(RXFIFOSIZE)) rx_2clk_fifo - (.wclk(rx_clk), .datain(rx_f36_data_int1), - .src_rdy_i(rx_f36_src_rdy_int1), .dst_rdy_o(rx_f36_dst_rdy_int1), .space(rx_fifo_space), + (.wclk(rx_clk), .datain(rx_f36_data_int), + .src_rdy_i(rx_f36_src_rdy_int), .dst_rdy_o(rx_f36_dst_rdy_int), .space(rx_fifo_space), .rclk(sys_clk), .dataout(rx_f36_data), .src_rdy_o(rx_f36_src_rdy), .dst_rdy_i(rx_f36_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 [7:0] tx_ll_data; wire [35:0] tx_f36_data_int1; wire tx_f36_src_rdy_int1, tx_f36_dst_rdy_int1; fifo_2clock_cascade #(.WIDTH(36), .SIZE(TXFIFOSIZE)) tx_2clk_fifo - (.wclk(sys_clk), .datain(tx_f36_data), - .src_rdy_i(tx_f36_src_rdy), .dst_rdy_o(tx_f36_dst_rdy), .space(), - .rclk(tx_clk), .dataout(tx_f36_data_int1), - .src_rdy_o(tx_f36_src_rdy_int1), .dst_rdy_i(tx_f36_dst_rdy_int1), .occupied(), .arst(reset)); + (.wclk(sys_clk), .datain(tx_f36_data), .src_rdy_i(tx_f36_src_rdy), .dst_rdy_o(tx_f36_dst_rdy), .space(), + .rclk(tx_clk), .dataout(tx_f36_data_int1), .src_rdy_o(tx_f36_src_rdy_int1), .dst_rdy_i(tx_f36_dst_rdy_int1), .occupied(), + .arst(reset)); fifo36_to_ll8 fifo36_to_ll8 (.clk(tx_clk), .reset(tx_reset), .clear(clear), .f36_data(tx_f36_data_int1), .f36_src_rdy_i(tx_f36_src_rdy_int1), .f36_dst_rdy_o(tx_f36_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)); + .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)); - 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_ll_sof, tx_ll_eof, tx_ll_src_rdy, tx_ll_dst_rdy, 4'b0 }, { tx_valid, tx_error, tx_ack, tx_f36_src_rdy_int1, tx_f36_dst_rdy_int1, tx_f36_data_int1[34:32]}, { tx_data} }; assign debug_rx = { { rx_ll_data }, - { rx_ll_sof, rx_ll_eof, rx_ll_src_rdy, rx_ll_dst_rdy, - rx_ll_sof2, rx_ll_eof2, rx_ll_src_rdy2, rx_ll_dst_rdy2 }, - { rx_valid, rx_error, rx_ack, rx_f36_src_rdy_int1, rx_f36_dst_rdy_int1, rx_f36_data_int1[34:32]}, + { rx_ll_sof, rx_ll_eof, rx_ll_src_rdy, rx_ll_dst_rdy, 4'b0 }, + { rx_valid, rx_error, rx_ack, rx_f36_src_rdy_int, rx_f36_dst_rdy_int, rx_f36_data_int[34:32]}, { rx_data} }; assign debug = debug_rx; endmodule // simple_gemac_wrapper + diff --git a/fpga/usrp2/simple_gemac/simple_gemac_wrapper19.v b/fpga/usrp2/simple_gemac/simple_gemac_wrapper19.v index 6cdbd1a59..c155b7d41 100644 --- a/fpga/usrp2/simple_gemac/simple_gemac_wrapper19.v +++ b/fpga/usrp2/simple_gemac/simple_gemac_wrapper19.v @@ -68,14 +68,10 @@ module simple_gemac_wrapper19 // 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 rx_ll_sof2, rx_ll_eof2, rx_ll_src_rdy2, rx_ll_dst_rdy2; - wire rx_ll_sof2_n, rx_ll_eof2_n, rx_ll_src_rdy2_n, rx_ll_dst_rdy2_n; - - wire [7:0] rx_ll_data, rx_ll_data2; - - wire [18:0] rx_f19_data_int1; - wire rx_f19_src_rdy_int1, rx_f19_dst_rdy_int1; + 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), @@ -83,28 +79,21 @@ module simple_gemac_wrapper19 .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_shortfifo rx_sfifo - (.clk(rx_clk), .reset(rx_reset), .clear(0), - .datain(rx_ll_data), .sof_i(rx_ll_sof), .eof_i(rx_ll_eof), - .error_i(0), .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(), .src_rdy_o(rx_ll_src_rdy2), .dst_rdy_i(rx_ll_dst_rdy2)); - - assign rx_ll_dst_rdy2 = ~rx_ll_dst_rdy2_n; - assign rx_ll_src_rdy2_n = ~rx_ll_src_rdy2; - assign rx_ll_sof2_n = ~rx_ll_sof2; - assign rx_ll_eof2_n = ~rx_ll_eof2; - ll8_to_fifo19 ll8_to_fifo19 (.clk(rx_clk), .reset(rx_reset), .clear(0), - .ll_data(rx_ll_data2), .ll_sof_n(rx_ll_sof2_n), .ll_eof_n(rx_ll_eof2_n), - .ll_src_rdy_n(rx_ll_src_rdy2_n), .ll_dst_rdy_n(rx_ll_dst_rdy2_n), + .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(19), .SIZE(RXFIFOSIZE)) rx_2clk_fifo fifo_2clock_cascade #(.WIDTH(36), .SIZE(RXFIFOSIZE)) rx_2clk_fifo - (.wclk(rx_clk), .datain(rx_f19_data_int1), - .src_rdy_i(rx_f19_src_rdy_int1), .dst_rdy_o(rx_f19_dst_rdy_int1), .space(rx_fifo_space), + (.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)); @@ -160,8 +149,7 @@ module simple_gemac_wrapper19 { 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, - rx_ll_sof2, rx_ll_eof2, rx_ll_src_rdy2, rx_ll_dst_rdy2 }, + { 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} }; |