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Rework GT instances in ExaNIC X25 10G and 25G designs

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This commit is contained in:
Alex Forencich 2021-10-21 16:29:48 -07:00
parent 4ade485344
commit 5eca6389cf
10 changed files with 962 additions and 506 deletions
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3
fpga/mqnic/ExaNIC_X25/fpga_10g/fpga/Makefile
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@ -7,6 +7,7 @@ FPGA_ARCH = kintexuplus
# Files for synthesis
SYN_FILES = rtl/fpga.v
SYN_FILES += rtl/fpga_core.v
SYN_FILES += rtl/eth_xcvr_phy_wrapper.v
SYN_FILES += rtl/sync_signal.v
SYN_FILES += rtl/common/mqnic_core_pcie_us.v
SYN_FILES += rtl/common/mqnic_core_pcie.v
@ -112,7 +113,7 @@ XDC_FILES += ../../../common/syn/vivado/tdma_ber_ch.tcl
# IP
IP_TCL_FILES = ip/pcie4_uscale_plus_0.tcl
IP_TCL_FILES += ip/gtwizard_ultrascale_0.tcl
IP_TCL_FILES += ip/eth_xcvr_gt.tcl
# Configuration
CONFIG_TCL_FILES = ./config.tcl

76
fpga/mqnic/ExaNIC_X25/fpga_10g/ip/eth_xcvr_gt.tcl Normal file
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@ -0,0 +1,76 @@
# Copyright (c) 2021 Alex Forencich
#
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files (the "Software"), to deal
# in the Software without restriction, including without limitation the rights
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
# copies of the Software, and to permit persons to whom the Software is
# furnished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice shall be included in
# all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
# THE SOFTWARE.
set base_name {eth_xcvr_gt}
set preset {GTY-10GBASE-R}
set freerun_freq {125}
set line_rate {10.3125}
set refclk_freq {161.1328125}
set qpll_fracn [expr {int(fmod($line_rate*1000/2 / $refclk_freq, 1)*pow(2, 24))}]
set user_data_width {64}
set int_data_width $user_data_width
set extra_ports [list {rxpolarity_in} {txpolarity_in}]
set extra_pll_ports [list {qpll0lock_out}]
set config [dict create]
dict set config TX_LINE_RATE $line_rate
dict set config TX_REFCLK_FREQUENCY $refclk_freq
dict set config TX_QPLL_FRACN_NUMERATOR $qpll_fracn
dict set config TX_USER_DATA_WIDTH $user_data_width
dict set config TX_INT_DATA_WIDTH $int_data_width
dict set config RX_LINE_RATE $line_rate
dict set config RX_REFCLK_FREQUENCY $refclk_freq
dict set config RX_QPLL_FRACN_NUMERATOR $qpll_fracn
dict set config RX_USER_DATA_WIDTH $user_data_width
dict set config RX_INT_DATA_WIDTH $int_data_width
dict set config ENABLE_OPTIONAL_PORTS $extra_ports
dict set config LOCATE_COMMON {CORE}
dict set config LOCATE_RESET_CONTROLLER {CORE}
dict set config LOCATE_TX_USER_CLOCKING {CORE}
dict set config LOCATE_RX_USER_CLOCKING {CORE}
dict set config LOCATE_USER_DATA_WIDTH_SIZING {CORE}
dict set config FREERUN_FREQUENCY $freerun_freq
dict set config DISABLE_LOC_XDC {1}
proc create_gtwizard_ip {name preset config} {
create_ip -name gtwizard_ultrascale -vendor xilinx.com -library ip -module_name $name
set ip [get_ips $name]
set_property CONFIG.preset $preset $ip
set config_list {}
dict for {name value} $config {
lappend config_list "CONFIG.${name}" $value
}
set_property -dict $config_list $ip
}
# variant with channel and common
dict set config ENABLE_OPTIONAL_PORTS [concat $extra_pll_ports $extra_ports]
dict set config LOCATE_COMMON {CORE}
create_gtwizard_ip "${base_name}_full" $preset $config
# variant with channel only
dict set config ENABLE_OPTIONAL_PORTS $extra_ports
dict set config LOCATE_COMMON {EXAMPLE_DESIGN}
create_gtwizard_ip "${base_name}_channel" $preset $config

22
fpga/mqnic/ExaNIC_X25/fpga_10g/ip/gtwizard_ultrascale_0.tcl
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@ -1,22 +0,0 @@
create_ip -name gtwizard_ultrascale -vendor xilinx.com -library ip -module_name gtwizard_ultrascale_0
set_property -dict [list CONFIG.preset {GTY-10GBASE-R}] [get_ips gtwizard_ultrascale_0]
set_property -dict [list \
CONFIG.CHANNEL_ENABLE {X0Y13 X0Y12} \
CONFIG.TX_MASTER_CHANNEL {X0Y12} \
CONFIG.RX_MASTER_CHANNEL {X0Y12} \
CONFIG.TX_LINE_RATE {10.3125} \
CONFIG.TX_REFCLK_FREQUENCY {161.1328125} \
CONFIG.TX_USER_DATA_WIDTH {64} \
CONFIG.TX_INT_DATA_WIDTH {64} \
CONFIG.RX_LINE_RATE {10.3125} \
CONFIG.RX_REFCLK_FREQUENCY {161.1328125} \
CONFIG.RX_USER_DATA_WIDTH {64} \
CONFIG.RX_INT_DATA_WIDTH {64} \
CONFIG.RX_REFCLK_SOURCE {X0Y13 clk0 X0Y12 clk0} \
CONFIG.TX_REFCLK_SOURCE {X0Y13 clk0 X0Y12 clk0} \
CONFIG.FREERUN_FREQUENCY {125} \
CONFIG.ENABLE_OPTIONAL_PORTS {rxpolarity_in txpolarity_in} \
] [get_ips gtwizard_ultrascale_0]

307
fpga/mqnic/ExaNIC_X25/fpga_10g/rtl/eth_xcvr_phy_wrapper.v Normal file
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@ -0,0 +1,307 @@
/*
Copyright (c) 2021 Alex Forencich
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in
all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
THE SOFTWARE.
*/
// Language: Verilog 2001
`resetall
`timescale 1ns / 1ps
`default_nettype none
/*
* Transceiver and PHY wrapper
*/
module eth_xcvr_phy_wrapper #
(
parameter HAS_COMMON = 1,
parameter DATA_WIDTH = 64,
parameter CTRL_WIDTH = (DATA_WIDTH/8),
parameter HDR_WIDTH = 2,
parameter PRBS31_ENABLE = 0,
parameter TX_SERDES_PIPELINE = 0,
parameter RX_SERDES_PIPELINE = 0,
parameter BITSLIP_HIGH_CYCLES = 1,
parameter BITSLIP_LOW_CYCLES = 8,
parameter COUNT_125US = 125000/6.4
)
(
input wire xcvr_ctrl_clk,
input wire xcvr_ctrl_rst,
/*
* Common
*/
output wire xcvr_gtpowergood_out,
/*
* PLL out
*/
input wire xcvr_gtrefclk00_in,
output wire xcvr_qpll0lock_out,
output wire xcvr_qpll0outclk_out,
output wire xcvr_qpll0outrefclk_out,
/*
* PLL in
*/
input wire xcvr_qpll0lock_in,
output wire xcvr_qpll0reset_out,
input wire xcvr_qpll0clk_in,
input wire xcvr_qpll0refclk_in,
/*
* Serial data
*/
output wire xcvr_txp,
output wire xcvr_txn,
input wire xcvr_rxp,
input wire xcvr_rxn,
/*
* PHY connections
*/
output wire phy_tx_clk,
output wire phy_tx_rst,
input wire [DATA_WIDTH-1:0] phy_xgmii_txd,
input wire [CTRL_WIDTH-1:0] phy_xgmii_txc,
output wire phy_rx_clk,
output wire phy_rx_rst,
output wire [DATA_WIDTH-1:0] phy_xgmii_rxd,
output wire [CTRL_WIDTH-1:0] phy_xgmii_rxc,
output wire phy_tx_bad_block,
output wire [6:0] phy_rx_error_count,
output wire phy_rx_bad_block,
output wire phy_rx_sequence_error,
output wire phy_rx_block_lock,
output wire phy_rx_high_ber,
input wire phy_tx_prbs31_enable,
input wire phy_rx_prbs31_enable
);
wire phy_rx_reset_req;
wire gt_reset_tx_datapath = 1'b0;
wire gt_reset_rx_datapath = phy_rx_reset_req;
wire gt_reset_tx_done;
wire gt_reset_rx_done;
wire [5:0] gt_txheader;
wire [63:0] gt_txdata;
wire gt_rxgearboxslip;
wire [5:0] gt_rxheader;
wire [1:0] gt_rxheadervalid;
wire [63:0] gt_rxdata;
wire [1:0] gt_rxdatavalid;
generate
if (HAS_COMMON) begin : xcvr
eth_xcvr_gt_full
eth_xcvr_gt_full_inst (
// Common
.gtwiz_reset_clk_freerun_in(xcvr_ctrl_clk),
.gtwiz_reset_all_in(xcvr_ctrl_rst),
.gtpowergood_out(xcvr_gtpowergood_out),
// PLL
.gtrefclk00_in(xcvr_gtrefclk00_in),
.qpll0lock_out(xcvr_qpll0lock_out),
.qpll0outclk_out(xcvr_qpll0outclk_out),
.qpll0outrefclk_out(xcvr_qpll0outrefclk_out),
// Serial data
.gtytxp_out(xcvr_txp),
.gtytxn_out(xcvr_txn),
.gtyrxp_in(xcvr_rxp),
.gtyrxn_in(xcvr_rxn),
// Transmit
.gtwiz_userclk_tx_reset_in(1'b0),
.gtwiz_userclk_tx_srcclk_out(),
.gtwiz_userclk_tx_usrclk_out(),
.gtwiz_userclk_tx_usrclk2_out(phy_tx_clk),
.gtwiz_userclk_tx_active_out(),
.gtwiz_reset_tx_pll_and_datapath_in(1'b0),
.gtwiz_reset_tx_datapath_in(gt_reset_tx_datapath),
.gtwiz_reset_tx_done_out(gt_reset_tx_done),
.txpmaresetdone_out(),
.txprgdivresetdone_out(),
.txpolarity_in(1'b1),
.gtwiz_userdata_tx_in(gt_txdata),
.txheader_in(gt_txheader),
.txsequence_in(7'b0),
// Receive
.gtwiz_userclk_rx_reset_in(1'b0),
.gtwiz_userclk_rx_srcclk_out(),
.gtwiz_userclk_rx_usrclk_out(),
.gtwiz_userclk_rx_usrclk2_out(phy_rx_clk),
.gtwiz_userclk_rx_active_out(),
.gtwiz_reset_rx_pll_and_datapath_in(1'b0),
.gtwiz_reset_rx_datapath_in(gt_reset_rx_datapath),
.gtwiz_reset_rx_cdr_stable_out(),
.gtwiz_reset_rx_done_out(gt_reset_rx_done),
.rxpmaresetdone_out(),
.rxprgdivresetdone_out(),
.rxpolarity_in(1'b0),
.rxgearboxslip_in(gt_rxgearboxslip),
.gtwiz_userdata_rx_out(gt_rxdata),
.rxdatavalid_out(gt_rxdatavalid),
.rxheader_out(gt_rxheader),
.rxheadervalid_out(gt_rxheadervalid),
.rxstartofseq_out()
);
end else begin : xcvr
eth_xcvr_gt_channel
eth_xcvr_gt_channel_inst (
// Common
.gtwiz_reset_clk_freerun_in(xcvr_ctrl_clk),
.gtwiz_reset_all_in(xcvr_ctrl_rst),
.gtpowergood_out(xcvr_gtpowergood_out),
// PLL
.gtwiz_reset_qpll0lock_in(xcvr_qpll0lock_in),
.gtwiz_reset_qpll0reset_out(xcvr_qpll0reset_out),
.qpll0clk_in(xcvr_qpll0clk_in),
.qpll0refclk_in(xcvr_qpll0refclk_in),
.qpll1clk_in(1'b0),
.qpll1refclk_in(1'b0),
// Serial data
.gtytxp_out(xcvr_txp),
.gtytxn_out(xcvr_txn),
.gtyrxp_in(xcvr_rxp),
.gtyrxn_in(xcvr_rxn),
// Transmit
.gtwiz_userclk_tx_reset_in(1'b0),
.gtwiz_userclk_tx_srcclk_out(),
.gtwiz_userclk_tx_usrclk_out(),
.gtwiz_userclk_tx_usrclk2_out(phy_tx_clk),
.gtwiz_userclk_tx_active_out(),
.gtwiz_reset_tx_pll_and_datapath_in(1'b0),
.gtwiz_reset_tx_datapath_in(gt_reset_tx_datapath),
.gtwiz_reset_tx_done_out(gt_reset_tx_done),
.txpmaresetdone_out(),
.txprgdivresetdone_out(),
.txpolarity_in(1'b1),
.gtwiz_userdata_tx_in(gt_txdata),
.txheader_in(gt_txheader),
.txsequence_in(7'b0),
// Receive
.gtwiz_userclk_rx_reset_in(1'b0),
.gtwiz_userclk_rx_srcclk_out(),
.gtwiz_userclk_rx_usrclk_out(),
.gtwiz_userclk_rx_usrclk2_out(phy_rx_clk),
.gtwiz_userclk_rx_active_out(),
.gtwiz_reset_rx_pll_and_datapath_in(1'b0),
.gtwiz_reset_rx_datapath_in(gt_reset_rx_datapath),
.gtwiz_reset_rx_cdr_stable_out(),
.gtwiz_reset_rx_done_out(gt_reset_rx_done),
.rxpmaresetdone_out(),
.rxprgdivresetdone_out(),
.rxpolarity_in(1'b0),
.rxgearboxslip_in(gt_rxgearboxslip),
.gtwiz_userdata_rx_out(gt_rxdata),
.rxdatavalid_out(gt_rxdatavalid),
.rxheader_out(gt_rxheader),
.rxheadervalid_out(gt_rxheadervalid),
.rxstartofseq_out()
);
end
endgenerate
sync_reset #(
.N(4)
)
tx_reset_sync_inst (
.clk(phy_tx_clk),
.rst(!gt_reset_tx_done),
.out(phy_tx_rst)
);
sync_reset #(
.N(4)
)
rx_reset_sync_inst (
.clk(phy_rx_clk),
.rst(!gt_reset_rx_done),
.out(phy_rx_rst)
);
eth_phy_10g #(
.DATA_WIDTH(DATA_WIDTH),
.CTRL_WIDTH(CTRL_WIDTH),
.HDR_WIDTH(HDR_WIDTH),
.BIT_REVERSE(1),
.SCRAMBLER_DISABLE(0),
.PRBS31_ENABLE(PRBS31_ENABLE),
.TX_SERDES_PIPELINE(TX_SERDES_PIPELINE),
.RX_SERDES_PIPELINE(RX_SERDES_PIPELINE),
.BITSLIP_HIGH_CYCLES(BITSLIP_HIGH_CYCLES),
.BITSLIP_LOW_CYCLES(BITSLIP_LOW_CYCLES),
.COUNT_125US(COUNT_125US)
)
phy_inst (
.tx_clk(phy_tx_clk),
.tx_rst(phy_tx_rst),
.rx_clk(phy_rx_clk),
.rx_rst(phy_rx_rst),
.xgmii_txd(phy_xgmii_txd),
.xgmii_txc(phy_xgmii_txc),
.xgmii_rxd(phy_xgmii_rxd),
.xgmii_rxc(phy_xgmii_rxc),
.serdes_tx_data(gt_txdata),
.serdes_tx_hdr(gt_txheader),
.serdes_rx_data(gt_rxdata),
.serdes_rx_hdr(gt_rxheader),
.serdes_rx_bitslip(gt_rxgearboxslip),
.serdes_rx_reset_req(phy_rx_reset_req),
.tx_bad_block(phy_tx_bad_block),
.rx_error_count(phy_rx_error_count),
.rx_bad_block(phy_rx_bad_block),
.rx_sequence_error(phy_rx_sequence_error),
.rx_block_lock(phy_rx_block_lock),
.rx_high_ber(phy_rx_high_ber),
.tx_prbs31_enable(phy_tx_prbs31_enable),
.rx_prbs31_enable(phy_rx_prbs31_enable)
);
endmodule
`resetall

325
fpga/mqnic/ExaNIC_X25/fpga_10g/rtl/fpga.v
View File

@ -254,10 +254,6 @@ wire clk_125mhz_mmcm_out;
wire clk_125mhz_int;
wire rst_125mhz_int;
// Internal 156.25 MHz clock
wire clk_156mhz_int;
wire rst_156mhz_int;
wire mmcm_rst = pcie_user_reset;
wire mmcm_locked;
wire mmcm_clkfb;
@ -908,32 +904,12 @@ wire sfp_mgt_refclk_bufg;
assign clk_161mhz_int = sfp_mgt_refclk_bufg;
wire [1:0] gt_txclkout;
wire gt_txusrclk;
wire [1:0] gt_rxclkout;
wire [1:0] gt_rxusrclk;
wire gt_reset_tx_done;
wire gt_reset_rx_done;
wire [1:0] gt_txprgdivresetdone;
wire [1:0] gt_txpmaresetdone;
wire [1:0] gt_rxprgdivresetdone;
wire [1:0] gt_rxpmaresetdone;
wire gt_tx_reset = ~((&gt_txprgdivresetdone) & (&gt_txpmaresetdone));
wire gt_rx_reset = ~&gt_rxpmaresetdone;
reg gt_userclk_tx_active = 1'b0;
reg [1:0] gt_userclk_rx_active = 1'b0;
IBUFDS_GTE4 ibufds_gte4_sfp_mgt_refclk_inst (
.I (sfp_mgt_refclk_p),
.IB (sfp_mgt_refclk_n),
.CEB (1'b0),
.O (sfp_mgt_refclk),
.ODIV2 (sfp_mgt_refclk_int)
.I (sfp_mgt_refclk_p),
.IB (sfp_mgt_refclk_n),
.CEB (1'b0),
.O (sfp_mgt_refclk),
.ODIV2 (sfp_mgt_refclk_int)
);
BUFG_GT bufg_gt_refclk_inst (
@ -946,217 +922,104 @@ BUFG_GT bufg_gt_refclk_inst (
.O (sfp_mgt_refclk_bufg)
);
BUFG_GT bufg_gt_tx_usrclk_inst (
.CE (1'b1),
.CEMASK (1'b0),
.CLR (gt_tx_reset),
.CLRMASK (1'b0),
.DIV (3'd0),
.I (gt_txclkout[0]),
.O (gt_txusrclk)
);
wire sfp_qpll0lock;
wire sfp_qpll0outclk;
wire sfp_qpll0outrefclk;
assign clk_156mhz_int = gt_txusrclk;
always @(posedge gt_txusrclk, posedge gt_tx_reset) begin
if (gt_tx_reset) begin
gt_userclk_tx_active <= 1'b0;
end else begin
gt_userclk_tx_active <= 1'b1;
end
end
generate
genvar n;
for (n = 0 ; n < 2; n = n + 1) begin
BUFG_GT bufg_gt_rx_usrclk_0_inst (
.CE (1'b1),
.CEMASK (1'b0),
.CLR (gt_rx_reset),
.CLRMASK (1'b0),
.DIV (3'd0),
.I (gt_rxclkout[n]),
.O (gt_rxusrclk[n])
);
always @(posedge gt_rxusrclk[n], posedge gt_rx_reset) begin
if (gt_rx_reset) begin
gt_userclk_rx_active[n] <= 1'b0;
end else begin
gt_userclk_rx_active[n] <= 1'b1;
end
end
end
endgenerate
sync_reset #(
.N(4)
)
sync_reset_156mhz_inst (
.clk(clk_156mhz_int),
.rst(~gt_reset_tx_done),
.out(rst_156mhz_int)
);
wire [5:0] sfp_1_gt_txheader;
wire [63:0] sfp_1_gt_txdata;
wire sfp_1_gt_rxgearboxslip;
wire [5:0] sfp_1_gt_rxheader;
wire [1:0] sfp_1_gt_rxheadervalid;
wire [63:0] sfp_1_gt_rxdata;
wire [1:0] sfp_1_gt_rxdatavalid;
wire [5:0] sfp_2_gt_txheader;
wire [63:0] sfp_2_gt_txdata;
wire sfp_2_gt_rxgearboxslip;
wire [5:0] sfp_2_gt_rxheader;
wire [1:0] sfp_2_gt_rxheadervalid;
wire [63:0] sfp_2_gt_rxdata;
wire [1:0] sfp_2_gt_rxdatavalid;
gtwizard_ultrascale_0
sfp_gty_inst (
.gtwiz_userclk_tx_active_in(&gt_userclk_tx_active),
.gtwiz_userclk_rx_active_in(&gt_userclk_rx_active),
.gtwiz_reset_clk_freerun_in(clk_125mhz_int),
.gtwiz_reset_all_in(rst_125mhz_int),
.gtwiz_reset_tx_pll_and_datapath_in(1'b0),
.gtwiz_reset_tx_datapath_in(1'b0),
.gtwiz_reset_rx_pll_and_datapath_in(1'b0),
.gtwiz_reset_rx_datapath_in(1'b0),
.gtwiz_reset_rx_cdr_stable_out(),
.gtwiz_reset_tx_done_out(gt_reset_tx_done),
.gtwiz_reset_rx_done_out(gt_reset_rx_done),
.gtrefclk00_in(sfp_mgt_refclk),
.qpll0outclk_out(),
.qpll0outrefclk_out(),
// .rxpmareset_in(2'd0),
.gtyrxn_in({sfp_2_rx_n, sfp_1_rx_n}),
.gtyrxp_in({sfp_2_rx_p, sfp_1_rx_p}),
.rxusrclk_in(gt_rxusrclk),
.rxusrclk2_in(gt_rxusrclk),
.gtwiz_userdata_tx_in({sfp_2_gt_txdata, sfp_1_gt_txdata}),
.txheader_in({sfp_2_gt_txheader, sfp_1_gt_txheader}),
.txsequence_in({2{7'b0}}),
.txusrclk_in({2{gt_txusrclk}}),
.txusrclk2_in({2{gt_txusrclk}}),
.gtpowergood_out(sfp_gtpowergood),
.gtytxn_out({sfp_2_tx_n, sfp_1_tx_n}),
.gtytxp_out({sfp_2_tx_p, sfp_1_tx_p}),
.txpolarity_in(2'b11),
.rxpolarity_in(2'b00),
.rxgearboxslip_in({sfp_2_gt_rxgearboxslip, sfp_1_gt_rxgearboxslip}),
.gtwiz_userdata_rx_out({sfp_2_gt_rxdata, sfp_1_gt_rxdata}),
.rxdatavalid_out({sfp_2_gt_rxdatavalid, sfp_1_gt_rxdatavalid}),
.rxheader_out({sfp_2_gt_rxheader, sfp_1_gt_rxheader}),
.rxheadervalid_out({sfp_2_gt_rxheadervalid, sfp_1_gt_rxheadervalid}),
.rxoutclk_out(gt_rxclkout),
.rxpmaresetdone_out(gt_rxpmaresetdone),
.rxprgdivresetdone_out(gt_rxprgdivresetdone),
.rxstartofseq_out(),
.txoutclk_out(gt_txclkout),
.txpmaresetdone_out(gt_txpmaresetdone),
.txprgdivresetdone_out(gt_txprgdivresetdone)
);
assign sfp_1_tx_clk_int = clk_156mhz_int;
assign sfp_1_tx_rst_int = rst_156mhz_int;
assign sfp_1_rx_clk_int = gt_rxusrclk[0];
sync_reset #(
.N(4)
)
sfp_1_rx_rst_reset_sync_inst (
.clk(sfp_1_rx_clk_int),
.rst(~gt_reset_rx_done),
.out(sfp_1_rx_rst_int)
);
eth_phy_10g #(
.BIT_REVERSE(1),
eth_xcvr_phy_wrapper #(
.HAS_COMMON(1),
.PRBS31_ENABLE(1)
)
sfp_1_phy_inst (
.tx_clk(sfp_1_tx_clk_int),
.tx_rst(sfp_1_tx_rst_int),
.rx_clk(sfp_1_rx_clk_int),
.rx_rst(sfp_1_rx_rst_int),
.xgmii_txd(sfp_1_txd_int),
.xgmii_txc(sfp_1_txc_int),
.xgmii_rxd(sfp_1_rxd_int),
.xgmii_rxc(sfp_1_rxc_int),
.serdes_tx_data(sfp_1_gt_txdata),
.serdes_tx_hdr(sfp_1_gt_txheader),
.serdes_rx_data(sfp_1_gt_rxdata),
.serdes_rx_hdr(sfp_1_gt_rxheader),
.serdes_rx_bitslip(sfp_1_gt_rxgearboxslip),
.rx_error_count(sfp_1_rx_error_count_int),
.rx_block_lock(sfp_1_rx_block_lock),
.rx_high_ber(),
.tx_prbs31_enable(sfp_1_tx_prbs31_enable_int),
.rx_prbs31_enable(sfp_1_rx_prbs31_enable_int)
.xcvr_ctrl_clk(clk_125mhz_int),
.xcvr_ctrl_rst(rst_125mhz_int),
// Common
.xcvr_gtpowergood_out(sfp_gtpowergood),
// PLL out
.xcvr_gtrefclk00_in(sfp_mgt_refclk),
.xcvr_qpll0lock_out(sfp_qpll0lock),
.xcvr_qpll0outclk_out(sfp_qpll0outclk),
.xcvr_qpll0outrefclk_out(sfp_qpll0outrefclk),
// PLL in
.xcvr_qpll0lock_in(1'b0),
.xcvr_qpll0reset_out(),
.xcvr_qpll0clk_in(1'b0),
.xcvr_qpll0refclk_in(1'b0),
// Serial data
.xcvr_txp(sfp_1_tx_p),
.xcvr_txn(sfp_1_tx_n),
.xcvr_rxp(sfp_1_rx_p),
.xcvr_rxn(sfp_1_rx_n),
// PHY connections
.phy_tx_clk(sfp_1_tx_clk_int),
.phy_tx_rst(sfp_1_tx_rst_int),
.phy_xgmii_txd(sfp_1_txd_int),
.phy_xgmii_txc(sfp_1_txc_int),
.phy_rx_clk(sfp_1_rx_clk_int),
.phy_rx_rst(sfp_1_rx_rst_int),
.phy_xgmii_rxd(sfp_1_rxd_int),
.phy_xgmii_rxc(sfp_1_rxc_int),
.phy_tx_bad_block(),
.phy_rx_error_count(sfp_1_rx_error_count_int),
.phy_rx_bad_block(),
.phy_rx_sequence_error(),
.phy_rx_block_lock(sfp_1_rx_block_lock),
.phy_rx_high_ber(),
.phy_tx_prbs31_enable(sfp_1_tx_prbs31_enable_int),
.phy_rx_prbs31_enable(sfp_1_rx_prbs31_enable_int)
);
assign sfp_2_tx_clk_int = clk_156mhz_int;
assign sfp_2_tx_rst_int = rst_156mhz_int;
assign sfp_2_rx_clk_int = gt_rxusrclk[1];
sync_reset #(
.N(4)
)
sfp_2_rx_rst_reset_sync_inst (
.clk(sfp_2_rx_clk_int),
.rst(~gt_reset_rx_done),
.out(sfp_2_rx_rst_int)
);
eth_phy_10g #(
.BIT_REVERSE(1),
eth_xcvr_phy_wrapper #(
.HAS_COMMON(0),
.PRBS31_ENABLE(1)
)
sfp_2_phy_inst (
.tx_clk(sfp_2_tx_clk_int),
.tx_rst(sfp_2_tx_rst_int),
.rx_clk(sfp_2_rx_clk_int),
.rx_rst(sfp_2_rx_rst_int),
.xgmii_txd(sfp_2_txd_int),
.xgmii_txc(sfp_2_txc_int),
.xgmii_rxd(sfp_2_rxd_int),
.xgmii_rxc(sfp_2_rxc_int),
.serdes_tx_data(sfp_2_gt_txdata),
.serdes_tx_hdr(sfp_2_gt_txheader),
.serdes_rx_data(sfp_2_gt_rxdata),
.serdes_rx_hdr(sfp_2_gt_rxheader),
.serdes_rx_bitslip(sfp_2_gt_rxgearboxslip),
.rx_error_count(sfp_2_rx_error_count_int),
.rx_block_lock(sfp_2_rx_block_lock),
.rx_high_ber(),
.tx_prbs31_enable(sfp_2_tx_prbs31_enable_int),
.rx_prbs31_enable(sfp_2_rx_prbs31_enable_int)
.xcvr_ctrl_clk(clk_125mhz_int),
.xcvr_ctrl_rst(rst_125mhz_int),
// Common
.xcvr_gtpowergood_out(),
// PLL out
.xcvr_gtrefclk00_in(1'b0),
.xcvr_qpll0lock_out(),
.xcvr_qpll0outclk_out(),
.xcvr_qpll0outrefclk_out(),
// PLL in
.xcvr_qpll0lock_in(sfp_qpll0lock),
.xcvr_qpll0reset_out(),
.xcvr_qpll0clk_in(sfp_qpll0outclk),
.xcvr_qpll0refclk_in(sfp_qpll0outrefclk),
// Serial data
.xcvr_txp(sfp_2_tx_p),
.xcvr_txn(sfp_2_tx_n),
.xcvr_rxp(sfp_2_rx_p),
.xcvr_rxn(sfp_2_rx_n),
// PHY connections
.phy_tx_clk(sfp_2_tx_clk_int),
.phy_tx_rst(sfp_2_tx_rst_int),
.phy_xgmii_txd(sfp_2_txd_int),
.phy_xgmii_txc(sfp_2_txc_int),
.phy_rx_clk(sfp_2_rx_clk_int),
.phy_rx_rst(sfp_2_rx_rst_int),
.phy_xgmii_rxd(sfp_2_rxd_int),
.phy_xgmii_rxc(sfp_2_rxc_int),
.phy_tx_bad_block(),
.phy_rx_error_count(sfp_2_rx_error_count_int),
.phy_rx_bad_block(),
.phy_rx_sequence_error(),
.phy_rx_block_lock(sfp_2_rx_block_lock),
.phy_rx_high_ber(),
.phy_tx_prbs31_enable(sfp_2_tx_prbs31_enable_int),
.phy_rx_prbs31_enable(sfp_2_rx_prbs31_enable_int)
);
assign sfp_1_led[0] = sfp_1_rx_block_lock;

3
fpga/mqnic/ExaNIC_X25/fpga_25g/fpga/Makefile
View File

@ -7,6 +7,7 @@ FPGA_ARCH = kintexuplus
# Files for synthesis
SYN_FILES = rtl/fpga.v
SYN_FILES += rtl/fpga_core.v
SYN_FILES += rtl/eth_xcvr_phy_wrapper.v
SYN_FILES += rtl/sync_signal.v
SYN_FILES += rtl/common/mqnic_core_pcie_us.v
SYN_FILES += rtl/common/mqnic_core_pcie.v
@ -112,7 +113,7 @@ XDC_FILES += ../../../common/syn/vivado/tdma_ber_ch.tcl
# IP
IP_TCL_FILES = ip/pcie4_uscale_plus_0.tcl
IP_TCL_FILES += ip/gtwizard_ultrascale_0.tcl
IP_TCL_FILES += ip/eth_xcvr_gt.tcl
# Configuration
CONFIG_TCL_FILES = ./config.tcl

76
fpga/mqnic/ExaNIC_X25/fpga_25g/ip/eth_xcvr_gt.tcl Normal file
View File

@ -0,0 +1,76 @@
# Copyright (c) 2021 Alex Forencich
#
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files (the "Software"), to deal
# in the Software without restriction, including without limitation the rights
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
# copies of the Software, and to permit persons to whom the Software is
# furnished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice shall be included in
# all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
# THE SOFTWARE.
set base_name {eth_xcvr_gt}
set preset {GTY-10GBASE-R}
set freerun_freq {125}
set line_rate {25.78125}
set refclk_freq {161.1328125}
set qpll_fracn [expr {int(fmod($line_rate*1000/2 / $refclk_freq, 1)*pow(2, 24))}]
set user_data_width {64}
set int_data_width $user_data_width
set extra_ports [list {rxpolarity_in} {txpolarity_in}]
set extra_pll_ports [list {qpll0lock_out}]
set config [dict create]
dict set config TX_LINE_RATE $line_rate
dict set config TX_REFCLK_FREQUENCY $refclk_freq
dict set config TX_QPLL_FRACN_NUMERATOR $qpll_fracn
dict set config TX_USER_DATA_WIDTH $user_data_width
dict set config TX_INT_DATA_WIDTH $int_data_width
dict set config RX_LINE_RATE $line_rate
dict set config RX_REFCLK_FREQUENCY $refclk_freq
dict set config RX_QPLL_FRACN_NUMERATOR $qpll_fracn
dict set config RX_USER_DATA_WIDTH $user_data_width
dict set config RX_INT_DATA_WIDTH $int_data_width
dict set config ENABLE_OPTIONAL_PORTS $extra_ports
dict set config LOCATE_COMMON {CORE}
dict set config LOCATE_RESET_CONTROLLER {CORE}
dict set config LOCATE_TX_USER_CLOCKING {CORE}
dict set config LOCATE_RX_USER_CLOCKING {CORE}
dict set config LOCATE_USER_DATA_WIDTH_SIZING {CORE}
dict set config FREERUN_FREQUENCY $freerun_freq
dict set config DISABLE_LOC_XDC {1}
proc create_gtwizard_ip {name preset config} {
create_ip -name gtwizard_ultrascale -vendor xilinx.com -library ip -module_name $name
set ip [get_ips $name]
set_property CONFIG.preset $preset $ip
set config_list {}
dict for {name value} $config {
lappend config_list "CONFIG.${name}" $value
}
set_property -dict $config_list $ip
}
# variant with channel and common
dict set config ENABLE_OPTIONAL_PORTS [concat $extra_pll_ports $extra_ports]
dict set config LOCATE_COMMON {CORE}
create_gtwizard_ip "${base_name}_full" $preset $config
# variant with channel only
dict set config ENABLE_OPTIONAL_PORTS $extra_ports
dict set config LOCATE_COMMON {EXAMPLE_DESIGN}
create_gtwizard_ip "${base_name}_channel" $preset $config

22
fpga/mqnic/ExaNIC_X25/fpga_25g/ip/gtwizard_ultrascale_0.tcl
View File

@ -1,22 +0,0 @@
create_ip -name gtwizard_ultrascale -vendor xilinx.com -library ip -module_name gtwizard_ultrascale_0
set_property -dict [list CONFIG.preset {GTY-10GBASE-R}] [get_ips gtwizard_ultrascale_0]
set_property -dict [list \
CONFIG.CHANNEL_ENABLE {X0Y13 X0Y12} \
CONFIG.TX_MASTER_CHANNEL {X0Y12} \
CONFIG.RX_MASTER_CHANNEL {X0Y12} \
CONFIG.TX_LINE_RATE {25.78125} \
CONFIG.TX_REFCLK_FREQUENCY {161.1328125} \
CONFIG.TX_USER_DATA_WIDTH {64} \
CONFIG.TX_INT_DATA_WIDTH {64} \
CONFIG.RX_LINE_RATE {25.78125} \
CONFIG.RX_REFCLK_FREQUENCY {161.1328125} \
CONFIG.RX_USER_DATA_WIDTH {64} \
CONFIG.RX_INT_DATA_WIDTH {64} \
CONFIG.RX_REFCLK_SOURCE {X0Y13 clk0 X0Y12 clk0} \
CONFIG.TX_REFCLK_SOURCE {X0Y13 clk0 X0Y12 clk0} \
CONFIG.FREERUN_FREQUENCY {125} \
CONFIG.ENABLE_OPTIONAL_PORTS {rxpolarity_in txpolarity_in} \
] [get_ips gtwizard_ultrascale_0]

307
fpga/mqnic/ExaNIC_X25/fpga_25g/rtl/eth_xcvr_phy_wrapper.v Normal file
View File

@ -0,0 +1,307 @@
/*
Copyright (c) 2021 Alex Forencich
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in
all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
THE SOFTWARE.
*/
// Language: Verilog 2001
`resetall
`timescale 1ns / 1ps
`default_nettype none
/*
* Transceiver and PHY wrapper
*/
module eth_xcvr_phy_wrapper #
(
parameter HAS_COMMON = 1,
parameter DATA_WIDTH = 64,
parameter CTRL_WIDTH = (DATA_WIDTH/8),
parameter HDR_WIDTH = 2,
parameter PRBS31_ENABLE = 0,
parameter TX_SERDES_PIPELINE = 0,
parameter RX_SERDES_PIPELINE = 0,
parameter BITSLIP_HIGH_CYCLES = 1,
parameter BITSLIP_LOW_CYCLES = 8,
parameter COUNT_125US = 125000/6.4
)
(
input wire xcvr_ctrl_clk,
input wire xcvr_ctrl_rst,
/*
* Common
*/
output wire xcvr_gtpowergood_out,
/*
* PLL out
*/
input wire xcvr_gtrefclk00_in,
output wire xcvr_qpll0lock_out,
output wire xcvr_qpll0outclk_out,
output wire xcvr_qpll0outrefclk_out,
/*
* PLL in
*/
input wire xcvr_qpll0lock_in,
output wire xcvr_qpll0reset_out,
input wire xcvr_qpll0clk_in,
input wire xcvr_qpll0refclk_in,
/*
* Serial data
*/
output wire xcvr_txp,
output wire xcvr_txn,
input wire xcvr_rxp,
input wire xcvr_rxn,
/*
* PHY connections
*/
output wire phy_tx_clk,
output wire phy_tx_rst,
input wire [DATA_WIDTH-1:0] phy_xgmii_txd,
input wire [CTRL_WIDTH-1:0] phy_xgmii_txc,
output wire phy_rx_clk,
output wire phy_rx_rst,
output wire [DATA_WIDTH-1:0] phy_xgmii_rxd,
output wire [CTRL_WIDTH-1:0] phy_xgmii_rxc,
output wire phy_tx_bad_block,
output wire [6:0] phy_rx_error_count,
output wire phy_rx_bad_block,
output wire phy_rx_sequence_error,
output wire phy_rx_block_lock,
output wire phy_rx_high_ber,
input wire phy_tx_prbs31_enable,
input wire phy_rx_prbs31_enable
);
wire phy_rx_reset_req;
wire gt_reset_tx_datapath = 1'b0;
wire gt_reset_rx_datapath = phy_rx_reset_req;
wire gt_reset_tx_done;
wire gt_reset_rx_done;
wire [5:0] gt_txheader;
wire [63:0] gt_txdata;
wire gt_rxgearboxslip;
wire [5:0] gt_rxheader;
wire [1:0] gt_rxheadervalid;
wire [63:0] gt_rxdata;
wire [1:0] gt_rxdatavalid;
generate
if (HAS_COMMON) begin : xcvr
eth_xcvr_gt_full
eth_xcvr_gt_full_inst (
// Common
.gtwiz_reset_clk_freerun_in(xcvr_ctrl_clk),
.gtwiz_reset_all_in(xcvr_ctrl_rst),
.gtpowergood_out(xcvr_gtpowergood_out),
// PLL
.gtrefclk00_in(xcvr_gtrefclk00_in),
.qpll0lock_out(xcvr_qpll0lock_out),
.qpll0outclk_out(xcvr_qpll0outclk_out),
.qpll0outrefclk_out(xcvr_qpll0outrefclk_out),
// Serial data
.gtytxp_out(xcvr_txp),
.gtytxn_out(xcvr_txn),
.gtyrxp_in(xcvr_rxp),
.gtyrxn_in(xcvr_rxn),
// Transmit
.gtwiz_userclk_tx_reset_in(1'b0),
.gtwiz_userclk_tx_srcclk_out(),
.gtwiz_userclk_tx_usrclk_out(),
.gtwiz_userclk_tx_usrclk2_out(phy_tx_clk),
.gtwiz_userclk_tx_active_out(),
.gtwiz_reset_tx_pll_and_datapath_in(1'b0),
.gtwiz_reset_tx_datapath_in(gt_reset_tx_datapath),
.gtwiz_reset_tx_done_out(gt_reset_tx_done),
.txpmaresetdone_out(),
.txprgdivresetdone_out(),
.txpolarity_in(1'b1),
.gtwiz_userdata_tx_in(gt_txdata),
.txheader_in(gt_txheader),
.txsequence_in(7'b0),
// Receive
.gtwiz_userclk_rx_reset_in(1'b0),
.gtwiz_userclk_rx_srcclk_out(),
.gtwiz_userclk_rx_usrclk_out(),
.gtwiz_userclk_rx_usrclk2_out(phy_rx_clk),
.gtwiz_userclk_rx_active_out(),
.gtwiz_reset_rx_pll_and_datapath_in(1'b0),
.gtwiz_reset_rx_datapath_in(gt_reset_rx_datapath),
.gtwiz_reset_rx_cdr_stable_out(),
.gtwiz_reset_rx_done_out(gt_reset_rx_done),
.rxpmaresetdone_out(),
.rxprgdivresetdone_out(),
.rxpolarity_in(1'b0),
.rxgearboxslip_in(gt_rxgearboxslip),
.gtwiz_userdata_rx_out(gt_rxdata),
.rxdatavalid_out(gt_rxdatavalid),
.rxheader_out(gt_rxheader),
.rxheadervalid_out(gt_rxheadervalid),
.rxstartofseq_out()
);
end else begin : xcvr
eth_xcvr_gt_channel
eth_xcvr_gt_channel_inst (
// Common
.gtwiz_reset_clk_freerun_in(xcvr_ctrl_clk),
.gtwiz_reset_all_in(xcvr_ctrl_rst),
.gtpowergood_out(xcvr_gtpowergood_out),
// PLL
.gtwiz_reset_qpll0lock_in(xcvr_qpll0lock_in),
.gtwiz_reset_qpll0reset_out(xcvr_qpll0reset_out),
.qpll0clk_in(xcvr_qpll0clk_in),
.qpll0refclk_in(xcvr_qpll0refclk_in),
.qpll1clk_in(1'b0),
.qpll1refclk_in(1'b0),
// Serial data
.gtytxp_out(xcvr_txp),
.gtytxn_out(xcvr_txn),
.gtyrxp_in(xcvr_rxp),
.gtyrxn_in(xcvr_rxn),
// Transmit
.gtwiz_userclk_tx_reset_in(1'b0),
.gtwiz_userclk_tx_srcclk_out(),
.gtwiz_userclk_tx_usrclk_out(),
.gtwiz_userclk_tx_usrclk2_out(phy_tx_clk),
.gtwiz_userclk_tx_active_out(),
.gtwiz_reset_tx_pll_and_datapath_in(1'b0),
.gtwiz_reset_tx_datapath_in(gt_reset_tx_datapath),
.gtwiz_reset_tx_done_out(gt_reset_tx_done),
.txpmaresetdone_out(),
.txprgdivresetdone_out(),
.txpolarity_in(1'b1),
.gtwiz_userdata_tx_in(gt_txdata),
.txheader_in(gt_txheader),
.txsequence_in(7'b0),
// Receive
.gtwiz_userclk_rx_reset_in(1'b0),
.gtwiz_userclk_rx_srcclk_out(),
.gtwiz_userclk_rx_usrclk_out(),
.gtwiz_userclk_rx_usrclk2_out(phy_rx_clk),
.gtwiz_userclk_rx_active_out(),
.gtwiz_reset_rx_pll_and_datapath_in(1'b0),
.gtwiz_reset_rx_datapath_in(gt_reset_rx_datapath),
.gtwiz_reset_rx_cdr_stable_out(),
.gtwiz_reset_rx_done_out(gt_reset_rx_done),
.rxpmaresetdone_out(),
.rxprgdivresetdone_out(),
.rxpolarity_in(1'b0),
.rxgearboxslip_in(gt_rxgearboxslip),
.gtwiz_userdata_rx_out(gt_rxdata),
.rxdatavalid_out(gt_rxdatavalid),
.rxheader_out(gt_rxheader),
.rxheadervalid_out(gt_rxheadervalid),
.rxstartofseq_out()
);
end
endgenerate
sync_reset #(
.N(4)
)
tx_reset_sync_inst (
.clk(phy_tx_clk),
.rst(!gt_reset_tx_done),
.out(phy_tx_rst)
);
sync_reset #(
.N(4)
)
rx_reset_sync_inst (
.clk(phy_rx_clk),
.rst(!gt_reset_rx_done),
.out(phy_rx_rst)
);
eth_phy_10g #(
.DATA_WIDTH(DATA_WIDTH),
.CTRL_WIDTH(CTRL_WIDTH),
.HDR_WIDTH(HDR_WIDTH),
.BIT_REVERSE(1),
.SCRAMBLER_DISABLE(0),
.PRBS31_ENABLE(PRBS31_ENABLE),
.TX_SERDES_PIPELINE(TX_SERDES_PIPELINE),
.RX_SERDES_PIPELINE(RX_SERDES_PIPELINE),
.BITSLIP_HIGH_CYCLES(BITSLIP_HIGH_CYCLES),
.BITSLIP_LOW_CYCLES(BITSLIP_LOW_CYCLES),
.COUNT_125US(COUNT_125US)
)
phy_inst (
.tx_clk(phy_tx_clk),
.tx_rst(phy_tx_rst),
.rx_clk(phy_rx_clk),
.rx_rst(phy_rx_rst),
.xgmii_txd(phy_xgmii_txd),
.xgmii_txc(phy_xgmii_txc),
.xgmii_rxd(phy_xgmii_rxd),
.xgmii_rxc(phy_xgmii_rxc),
.serdes_tx_data(gt_txdata),
.serdes_tx_hdr(gt_txheader),
.serdes_rx_data(gt_rxdata),
.serdes_rx_hdr(gt_rxheader),
.serdes_rx_bitslip(gt_rxgearboxslip),
.serdes_rx_reset_req(phy_rx_reset_req),
.tx_bad_block(phy_tx_bad_block),
.rx_error_count(phy_rx_error_count),
.rx_bad_block(phy_rx_bad_block),
.rx_sequence_error(phy_rx_sequence_error),
.rx_block_lock(phy_rx_block_lock),
.rx_high_ber(phy_rx_high_ber),
.tx_prbs31_enable(phy_tx_prbs31_enable),
.rx_prbs31_enable(phy_rx_prbs31_enable)
);
endmodule
`resetall

327
fpga/mqnic/ExaNIC_X25/fpga_25g/rtl/fpga.v
View File

@ -908,32 +908,12 @@ wire sfp_mgt_refclk_bufg;
assign clk_161mhz_int = sfp_mgt_refclk_bufg;
wire [1:0] gt_txclkout;
wire gt_txusrclk;
wire [1:0] gt_rxclkout;
wire [1:0] gt_rxusrclk;
wire gt_reset_tx_done;
wire gt_reset_rx_done;
wire [1:0] gt_txprgdivresetdone;
wire [1:0] gt_txpmaresetdone;
wire [1:0] gt_rxprgdivresetdone;
wire [1:0] gt_rxpmaresetdone;
wire gt_tx_reset = ~((&gt_txprgdivresetdone) & (&gt_txpmaresetdone));
wire gt_rx_reset = ~&gt_rxpmaresetdone;
reg gt_userclk_tx_active = 1'b0;
reg [1:0] gt_userclk_rx_active = 1'b0;
IBUFDS_GTE4 ibufds_gte4_sfp_mgt_refclk_inst (
.I (sfp_mgt_refclk_p),
.IB (sfp_mgt_refclk_n),
.CEB (1'b0),
.O (sfp_mgt_refclk),
.ODIV2 (sfp_mgt_refclk_int)
.I (sfp_mgt_refclk_p),
.IB (sfp_mgt_refclk_n),
.CEB (1'b0),
.O (sfp_mgt_refclk),
.ODIV2 (sfp_mgt_refclk_int)
);
BUFG_GT bufg_gt_refclk_inst (
@ -946,221 +926,110 @@ BUFG_GT bufg_gt_refclk_inst (
.O (sfp_mgt_refclk_bufg)
);
BUFG_GT bufg_gt_tx_usrclk_inst (
.CE (1'b1),
.CEMASK (1'b0),
.CLR (gt_tx_reset),
.CLRMASK (1'b0),
.DIV (3'd0),
.I (gt_txclkout[0]),
.O (gt_txusrclk)
);
wire sfp_qpll0lock;
wire sfp_qpll0outclk;
wire sfp_qpll0outrefclk;
assign clk_390mhz_int = gt_txusrclk;
always @(posedge gt_txusrclk, posedge gt_tx_reset) begin
if (gt_tx_reset) begin
gt_userclk_tx_active <= 1'b0;
end else begin
gt_userclk_tx_active <= 1'b1;
end
end
generate
genvar n;
for (n = 0 ; n < 2; n = n + 1) begin
BUFG_GT bufg_gt_rx_usrclk_0_inst (
.CE (1'b1),
.CEMASK (1'b0),
.CLR (gt_rx_reset),
.CLRMASK (1'b0),
.DIV (3'd0),
.I (gt_rxclkout[n]),
.O (gt_rxusrclk[n])
);
always @(posedge gt_rxusrclk[n], posedge gt_rx_reset) begin
if (gt_rx_reset) begin
gt_userclk_rx_active[n] <= 1'b0;
end else begin
gt_userclk_rx_active[n] <= 1'b1;
end
end
end
endgenerate
sync_reset #(
.N(4)
)
sync_reset_390mhz_inst (
.clk(clk_390mhz_int),
.rst(~gt_reset_tx_done),
.out(rst_390mhz_int)
);
wire [5:0] sfp_1_gt_txheader;
wire [63:0] sfp_1_gt_txdata;
wire sfp_1_gt_rxgearboxslip;
wire [5:0] sfp_1_gt_rxheader;
wire [1:0] sfp_1_gt_rxheadervalid;
wire [63:0] sfp_1_gt_rxdata;
wire [1:0] sfp_1_gt_rxdatavalid;
wire [5:0] sfp_2_gt_txheader;
wire [63:0] sfp_2_gt_txdata;
wire sfp_2_gt_rxgearboxslip;
wire [5:0] sfp_2_gt_rxheader;
wire [1:0] sfp_2_gt_rxheadervalid;
wire [63:0] sfp_2_gt_rxdata;
wire [1:0] sfp_2_gt_rxdatavalid;
gtwizard_ultrascale_0
sfp_gty_inst (
.gtwiz_userclk_tx_active_in(&gt_userclk_tx_active),
.gtwiz_userclk_rx_active_in(&gt_userclk_rx_active),
.gtwiz_reset_clk_freerun_in(clk_125mhz_int),
.gtwiz_reset_all_in(rst_125mhz_int),
.gtwiz_reset_tx_pll_and_datapath_in(1'b0),
.gtwiz_reset_tx_datapath_in(1'b0),
.gtwiz_reset_rx_pll_and_datapath_in(1'b0),
.gtwiz_reset_rx_datapath_in(1'b0),
.gtwiz_reset_rx_cdr_stable_out(),
.gtwiz_reset_tx_done_out(gt_reset_tx_done),
.gtwiz_reset_rx_done_out(gt_reset_rx_done),
.gtrefclk00_in(sfp_mgt_refclk),
.qpll0outclk_out(),
.qpll0outrefclk_out(),
// .rxpmareset_in(2'd0),
.gtyrxn_in({sfp_2_rx_n, sfp_1_rx_n}),
.gtyrxp_in({sfp_2_rx_p, sfp_1_rx_p}),
.rxusrclk_in(gt_rxusrclk),
.rxusrclk2_in(gt_rxusrclk),
.gtwiz_userdata_tx_in({sfp_2_gt_txdata, sfp_1_gt_txdata}),
.txheader_in({sfp_2_gt_txheader, sfp_1_gt_txheader}),
.txsequence_in({2{7'b0}}),
.txusrclk_in({2{gt_txusrclk}}),
.txusrclk2_in({2{gt_txusrclk}}),
.gtpowergood_out(sfp_gtpowergood),
.gtytxn_out({sfp_2_tx_n, sfp_1_tx_n}),
.gtytxp_out({sfp_2_tx_p, sfp_1_tx_p}),
.txpolarity_in(2'b11),
.rxpolarity_in(2'b00),
.rxgearboxslip_in({sfp_2_gt_rxgearboxslip, sfp_1_gt_rxgearboxslip}),
.gtwiz_userdata_rx_out({sfp_2_gt_rxdata, sfp_1_gt_rxdata}),
.rxdatavalid_out({sfp_2_gt_rxdatavalid, sfp_1_gt_rxdatavalid}),
.rxheader_out({sfp_2_gt_rxheader, sfp_1_gt_rxheader}),
.rxheadervalid_out({sfp_2_gt_rxheadervalid, sfp_1_gt_rxheadervalid}),
.rxoutclk_out(gt_rxclkout),
.rxpmaresetdone_out(gt_rxpmaresetdone),
.rxprgdivresetdone_out(gt_rxprgdivresetdone),
.rxstartofseq_out(),
.txoutclk_out(gt_txclkout),
.txpmaresetdone_out(gt_txpmaresetdone),
.txprgdivresetdone_out(gt_txprgdivresetdone)
);
assign sfp_1_tx_clk_int = clk_390mhz_int;
assign sfp_1_tx_rst_int = rst_390mhz_int;
assign sfp_1_rx_clk_int = gt_rxusrclk[0];
sync_reset #(
.N(4)
)
sfp_1_rx_rst_reset_sync_inst (
.clk(sfp_1_rx_clk_int),
.rst(~gt_reset_rx_done),
.out(sfp_1_rx_rst_int)
);
eth_phy_10g #(
.BIT_REVERSE(1),
eth_xcvr_phy_wrapper #(
.HAS_COMMON(1),
.PRBS31_ENABLE(1),
.TX_SERDES_PIPELINE(1),
.RX_SERDES_PIPELINE(1)
.RX_SERDES_PIPELINE(1),
.COUNT_125US(125000/2.56)
)
sfp_1_phy_inst (
.tx_clk(sfp_1_tx_clk_int),
.tx_rst(sfp_1_tx_rst_int),
.rx_clk(sfp_1_rx_clk_int),
.rx_rst(sfp_1_rx_rst_int),
.xgmii_txd(sfp_1_txd_int),
.xgmii_txc(sfp_1_txc_int),
.xgmii_rxd(sfp_1_rxd_int),
.xgmii_rxc(sfp_1_rxc_int),
.serdes_tx_data(sfp_1_gt_txdata),
.serdes_tx_hdr(sfp_1_gt_txheader),
.serdes_rx_data(sfp_1_gt_rxdata),
.serdes_rx_hdr(sfp_1_gt_rxheader),
.serdes_rx_bitslip(sfp_1_gt_rxgearboxslip),
.rx_error_count(sfp_1_rx_error_count_int),
.rx_block_lock(sfp_1_rx_block_lock),
.rx_high_ber(),
.tx_prbs31_enable(sfp_1_tx_prbs31_enable_int),
.rx_prbs31_enable(sfp_1_rx_prbs31_enable_int)
.xcvr_ctrl_clk(clk_125mhz_int),
.xcvr_ctrl_rst(rst_125mhz_int),
// Common
.xcvr_gtpowergood_out(sfp_gtpowergood),
// PLL out
.xcvr_gtrefclk00_in(sfp_mgt_refclk),
.xcvr_qpll0lock_out(sfp_qpll0lock),
.xcvr_qpll0outclk_out(sfp_qpll0outclk),
.xcvr_qpll0outrefclk_out(sfp_qpll0outrefclk),
// PLL in
.xcvr_qpll0lock_in(1'b0),
.xcvr_qpll0reset_out(),
.xcvr_qpll0clk_in(1'b0),
.xcvr_qpll0refclk_in(1'b0),
// Serial data
.xcvr_txp(sfp_1_tx_p),
.xcvr_txn(sfp_1_tx_n),
.xcvr_rxp(sfp_1_rx_p),
.xcvr_rxn(sfp_1_rx_n),
// PHY connections
.phy_tx_clk(sfp_1_tx_clk_int),
.phy_tx_rst(sfp_1_tx_rst_int),
.phy_xgmii_txd(sfp_1_txd_int),
.phy_xgmii_txc(sfp_1_txc_int),
.phy_rx_clk(sfp_1_rx_clk_int),
.phy_rx_rst(sfp_1_rx_rst_int),
.phy_xgmii_rxd(sfp_1_rxd_int),
.phy_xgmii_rxc(sfp_1_rxc_int),
.phy_tx_bad_block(),
.phy_rx_error_count(sfp_1_rx_error_count_int),
.phy_rx_bad_block(),
.phy_rx_sequence_error(),
.phy_rx_block_lock(sfp_1_rx_block_lock),
.phy_rx_high_ber(),
.phy_tx_prbs31_enable(sfp_1_tx_prbs31_enable_int),
.phy_rx_prbs31_enable(sfp_1_rx_prbs31_enable_int)
);
assign sfp_2_tx_clk_int = clk_390mhz_int;
assign sfp_2_tx_rst_int = rst_390mhz_int;
assign sfp_2_rx_clk_int = gt_rxusrclk[1];
sync_reset #(
.N(4)
)
sfp_2_rx_rst_reset_sync_inst (
.clk(sfp_2_rx_clk_int),
.rst(~gt_reset_rx_done),
.out(sfp_2_rx_rst_int)
);
eth_phy_10g #(
.BIT_REVERSE(1),
eth_xcvr_phy_wrapper #(
.HAS_COMMON(0),
.PRBS31_ENABLE(1),
.TX_SERDES_PIPELINE(1),
.RX_SERDES_PIPELINE(1)
.RX_SERDES_PIPELINE(1),
.COUNT_125US(125000/2.56)
)
sfp_2_phy_inst (
.tx_clk(sfp_2_tx_clk_int),
.tx_rst(sfp_2_tx_rst_int),
.rx_clk(sfp_2_rx_clk_int),
.rx_rst(sfp_2_rx_rst_int),
.xgmii_txd(sfp_2_txd_int),
.xgmii_txc(sfp_2_txc_int),
.xgmii_rxd(sfp_2_rxd_int),
.xgmii_rxc(sfp_2_rxc_int),
.serdes_tx_data(sfp_2_gt_txdata),
.serdes_tx_hdr(sfp_2_gt_txheader),
.serdes_rx_data(sfp_2_gt_rxdata),
.serdes_rx_hdr(sfp_2_gt_rxheader),
.serdes_rx_bitslip(sfp_2_gt_rxgearboxslip),
.rx_error_count(sfp_2_rx_error_count_int),
.rx_block_lock(sfp_2_rx_block_lock),
.rx_high_ber(),
.tx_prbs31_enable(sfp_2_tx_prbs31_enable_int),
.rx_prbs31_enable(sfp_2_rx_prbs31_enable_int)
.xcvr_ctrl_clk(clk_125mhz_int),
.xcvr_ctrl_rst(rst_125mhz_int),
// Common
.xcvr_gtpowergood_out(),
// PLL out
.xcvr_gtrefclk00_in(1'b0),
.xcvr_qpll0lock_out(),
.xcvr_qpll0outclk_out(),
.xcvr_qpll0outrefclk_out(),
// PLL in
.xcvr_qpll0lock_in(sfp_qpll0lock),
.xcvr_qpll0reset_out(),
.xcvr_qpll0clk_in(sfp_qpll0outclk),
.xcvr_qpll0refclk_in(sfp_qpll0outrefclk),
// Serial data
.xcvr_txp(sfp_2_tx_p),
.xcvr_txn(sfp_2_tx_n),
.xcvr_rxp(sfp_2_rx_p),
.xcvr_rxn(sfp_2_rx_n),
// PHY connections
.phy_tx_clk(sfp_2_tx_clk_int),
.phy_tx_rst(sfp_2_tx_rst_int),
.phy_xgmii_txd(sfp_2_txd_int),
.phy_xgmii_txc(sfp_2_txc_int),
.phy_rx_clk(sfp_2_rx_clk_int),
.phy_rx_rst(sfp_2_rx_rst_int),
.phy_xgmii_rxd(sfp_2_rxd_int),
.phy_xgmii_rxc(sfp_2_rxc_int),
.phy_tx_bad_block(),
.phy_rx_error_count(sfp_2_rx_error_count_int),
.phy_rx_bad_block(),
.phy_rx_sequence_error(),
.phy_rx_block_lock(sfp_2_rx_block_lock),
.phy_rx_high_ber(),
.phy_tx_prbs31_enable(sfp_2_tx_prbs31_enable_int),
.phy_rx_prbs31_enable(sfp_2_rx_prbs31_enable_int)
);
assign sfp_1_led[0] = sfp_1_rx_block_lock;