usb_top.v

//
// usb 3.0 / 2.0 top-level
//
// Copyright (c) 2013 Marshall H.
// All rights reserved.
// This code is released under the terms of the simplified BSD license. 
// See LICENSE.TXT for details.
//

module usb_top (


// clocking and reset signals
input	wire			ext_clk,
input	wire			reset_n,
output	wire			reset_n_out,


// signals specific to usb 3.0
input	wire			phy_pipe_pclk,
input	wire	[15:0]	phy_pipe_rx_data,
input	wire	[1:0]	phy_pipe_rx_datak,
input	wire			phy_pipe_rx_valid,
output	wire			phy_pipe_tx_clk,
output	wire	[15:0]	phy_pipe_tx_data,
output	wire	[1:0]	phy_pipe_tx_datak,

output	wire			phy_reset_n,
output	wire			phy_out_enable,
output	wire			phy_phy_reset_n,
output	wire			phy_tx_detrx_lpbk,
output	wire			phy_tx_elecidle,
inout	wire			phy_rx_elecidle,
input	wire	[2:0]	phy_rx_status,
output	wire	[1:0]	phy_power_down,
inout	wire			phy_phy_status,
input	wire			phy_pwrpresent,

output	wire			phy_tx_oneszeros,
output	wire	[1:0]	phy_tx_deemph,
output	wire	[2:0]	phy_tx_margin,
output	wire			phy_tx_swing,
output	wire			phy_rx_polarity,
output	wire			phy_rx_termination,
output	wire			phy_rate,
output	wire			phy_elas_buf_mode,



// signals specific to usb 2.0
input	wire			phy_ulpi_clk,
inout	wire	[7:0]	phy_ulpi_d,
input	wire			phy_ulpi_dir,
output	wire			phy_ulpi_stp,
input	wire			phy_ulpi_nxt,

input	wire			opt_enable_hs,
output	wire			stat_connected,
output	wire			stat_fs,
output	wire			stat_hs,
output	wire			stat_configured,

input	wire	[8:0]	buf_in_addr,
input	wire	[7:0]	buf_in_data,
input	wire			buf_in_wren,
output	wire			buf_in_ready,
input	wire			buf_in_commit,
input	wire	[9:0]	buf_in_commit_len,
output	wire			buf_in_commit_ack,
input	wire	[8:0]	buf_out_addr,
output	wire	[7:0]	buf_out_q,
output	wire	[9:0]	buf_out_len,
output	wire			buf_out_hasdata,
input	wire			buf_out_arm,
output	wire			buf_out_arm_ack,

output	wire			vend_req_act,
output	wire	[7:0]	vend_req_request,
output	wire	[15:0]	vend_req_val,

output	wire			err_crc_pid,
output	wire			err_crc_tok,
output	wire			err_crc_pkt,
output	wire			err_pid_out_of_seq,
output	wire			err_setup_pkt

);

endmodule