Entity: usbdev

• File: usbdev.sv

Diagram

Description

Generics

Generic name	Type	Value	Description
NumAlerts	logic [NumAlerts-1:0]	undefined

Ports

Port name	Direction	Type	Description
clk_i	input
rst_ni	input
clk_aon_i	input
rst_aon_ni	input
clk_usb_48mhz_i	input		use usb_ prefix for signals in this clk
rst_usb_48mhz_ni	input		async reset, with relase sync to clk_usb_48_mhz_i
tl_i	input		Register interface
tl_o	output
alert_rx_i	input	[NumAlerts-1:0]	Alerts
alert_tx_o	output	[NumAlerts-1:0]
cio_d_i	input		differential
cio_dp_i	input		single-ended, can be used in differential mode to detect SE0
cio_dn_i	input		single-ended, can be used in differential mode to detect SE0
cio_d_o	output		Data outputs
cio_d_en_o	output
cio_dp_o	output
cio_dp_en_o	output
cio_dn_o	output
cio_dn_en_o	output
cio_sense_i	input		Non-data I/O
cio_se0_o	output
cio_se0_en_o	output
cio_dp_pullup_o	output
cio_dp_pullup_en_o	output
cio_dn_pullup_o	output
cio_dn_pullup_en_o	output
cio_suspend_o	output
cio_suspend_en_o	output
cio_tx_mode_se_o	output
cio_tx_mode_se_en_o	output
cio_rx_enable_o	output
cio_rx_enable_en_o	output
usb_out_of_rst_o	output		Direct pinmux aon detect connections
usb_aon_wake_en_o	output
usb_aon_wake_ack_o	output
usb_suspend_o	output
usb_state_debug_i	input	awk_state_t	Debug info from wakeup module
usb_ref_val_o	output		SOF reference for clock calibration
usb_ref_pulse_o	output
ram_cfg_i	input		memory configuration
intr_pkt_received_o	output		Packet received
intr_pkt_sent_o	output		Packet sent
intr_connected_o	output
intr_disconnected_o	output
intr_host_lost_o	output
intr_link_reset_o	output
intr_link_suspend_o	output
intr_link_resume_o	output
intr_av_empty_o	output
intr_rx_full_o	output
intr_av_overflow_o	output
intr_link_in_err_o	output
intr_link_out_err_o	output
intr_rx_crc_err_o	output
intr_rx_pid_err_o	output
intr_rx_bitstuff_err_o	output
intr_frame_o	output

Signals

Name	Type	Description
reg2hw	usbdev_reg2hw_t
hw2reg	usbdev_hw2reg_t
tl_sram_h2d	tlul_pkg::tl_h2d_t
tl_sram_d2h	tlul_pkg::tl_d2h_t
mem_a_req	logic	Dual-port SRAM Interface: Refer prim_ram_2p_async_adv.sv
mem_a_write	logic
mem_a_addr	logic [SramAw-1:0]
mem_a_wdata	logic [SramDw-1:0]
mem_a_rvalid	logic
mem_a_rdata	logic [SramDw-1:0]
mem_a_rerror	logic [1:0]
usb_mem_b_req	logic
usb_mem_b_write	logic
usb_mem_b_addr	logic [SramAw-1:0]
usb_mem_b_wdata	logic [SramDw-1:0]
usb_mem_b_rdata	logic [SramDw-1:0]
usb_clr_devaddr	logic
usb_event_av_empty	logic
event_av_overflow	logic
usb_event_rx_full	logic
event_av_empty	logic
event_rx_full	logic
usb_event_link_reset	logic
usb_event_link_suspend	logic
usb_event_link_resume	logic
usb_event_host_lost	logic
usb_event_disconnect	logic
usb_event_connect	logic
usb_event_rx_crc_err	logic
usb_event_rx_pid_err	logic
usb_event_rx_bitstuff_err	logic
usb_event_in_err	logic
usb_event_out_err	logic
usb_event_frame	logic
usb_link_active	logic
event_link_reset	logic
event_link_suspend	logic
event_link_resume	logic
event_host_lost	logic
event_disconnect	logic
event_connect	logic
event_rx_crc_err	logic
event_rx_pid_err	logic
event_rx_bitstuff_err	logic
event_in_err	logic
event_out_err	logic
event_frame	logic
usb_frame	logic [10:0]	CDC signals
usb_link_state	logic [2:0]
usb_enable	logic
usb_device_addr	logic [6:0]
data_toggle_clear_qe	logic
usb_data_toggle_clear_en	logic
usb_data_toggle_clear	logic [NEndpoints-1:0]
usb_rx_d	logic	/////////////////////////////// USB RX after CDC & muxing // ///////////////////////////////
usb_rx_dp	logic
usb_rx_dn	logic
usb_tx_d	logic	/////////////////////////////// USB TX after CDC & muxing // ///////////////////////////////
usb_tx_se0	logic
usb_tx_oe	logic
usb_pwr_sense	logic	/////////////////////////////// USB contol pins after CDC // ///////////////////////////////
usb_pullup_en	logic
av_fifo_wready	logic	/////////////////////////// Receive interface fifos // ///////////////////////////
event_pkt_received	logic
usb_av_rvalid	logic
usb_av_rready	logic
usb_rx_wvalid	logic
usb_rx_wready	logic
rx_fifo_rvalid	logic
rx_fifo_re	logic
usb_av_rdata	logic [AVFifoWidth - 1:0]
usb_rx_wdata	logic [RXFifoWidth - 1:0]
rx_rdata_raw	logic [RXFifoWidth - 1:0]
rx_rdata	logic [RXFifoWidth - 1:0]
unused_rxfifo_q	logic [16:0]	The rxfifo register is hrw, but we just need the read enables.
usb_in_buf	logic [NBufWidth-1:0]	////////////////////////////////// IN (Transmit) interface config // //////////////////////////////////
usb_in_size	logic [SizeWidth:0]
usb_in_endpoint	logic [3:0]
usb_in_endpoint_val	logic
usb_in_rdy	logic [NEndpoints-1:0]
clear_rdybit	logic [NEndpoints-1:0]
set_sentbit	logic [NEndpoints-1:0]
update_pend	logic [NEndpoints-1:0]
usb_setup_received	logic
setup_received	logic
usb_set_sent	logic
set_sent	logic
ep_iso	logic [NEndpoints-1:0]
enable_setup	logic [NEndpoints-1:0]
enable_out	logic [NEndpoints-1:0]
ep_stall	logic [NEndpoints-1:0]
usb_enable_setup	logic [NEndpoints-1:0]
usb_enable_out	logic [NEndpoints-1:0]
usb_ep_stall	logic [NEndpoints-1:0]
in_rdy_async	logic [NEndpoints-1:0]
usb_out_endpoint	logic [3:0]
usb_out_endpoint_val	logic
event_link_reset_q	logic
alert_test	logic [NumAlerts-1:0]
alerts	logic [NumAlerts-1:0]
cio_oe	logic	/////////////////////////////// USB IO Muxing // ///////////////////////////////
usb_ref_val_d	logic	/////////////////////////////////////// SOF Reference for Clock Calibration // ///////////////////////////////////////
usb_ref_val_q	logic	/////////////////////////////////////// SOF Reference for Clock Calibration // ///////////////////////////////////////
usb_ref_disable	logic
aon_tgl	logic	/////////////////////////////////////// capture async debug info // ///////////////////////////////////////
tgl_sync	logic
tgl_sync_d1	logic
tgl_en	logic

Constants

Name	Type	Value	Description
SramDw	int	32	Places packing bytes to SRAM assume this
SramDepth	int	512	2kB, SRAM Width is DW
MaxPktSizeByte	int	64
SramAw	int	$clog2(SramDepth)
SizeWidth	int	$clog2(MaxPktSizeByte)
NBuf	int	undefined
NBufWidth	int	$clog2(NBuf)
AVFifoWidth	int	NBufWidth	AV fifo just stores buffer numbers
AVFifoDepth	int	4
RXFifoWidth	int	NBufWidth + (1+SizeWidth) + 4 + 1	RX fifo stores buf# + size(0-MaxPktSizeByte) + EP# + Type
RXFifoDepth	int	4

Processes

• proc_map_rxenable: ( )

• proc_map_stall: ( )

• proc_map_iso: ( )

• proc_map_buf_size: ( )

• proc_map_rdy_reg2hw: ( )

• proc_data_toggle_clear_qe: ( )

• proc_usb_data_toggle_clear: ( )

• unnamed: ( )

• proc_map_sent: ( )

• unnamed: ( @(posedge clk_usb_48mhz_i or negedge rst_usb_48mhz_ni) )

• unnamed: ( )

• proc_map_rdy_hw2reg: ( )

• proc_map_pend: ( )

• proc_stall_tieoff: ( )

• unnamed: ( @(posedge clk_usb_48mhz_i or negedge rst_usb_48mhz_ni) )

• unnamed: ( @(posedge clk_i or negedge rst_ni) )

• unnamed: ( @(posedge clk_aon_i or negedge rst_aon_ni) )

• unnamed: ( @(posedge clk_i or negedge rst_ni) )

Instantiations

• usbdev_avfifo: prim_fifo_async

• usbdev_rxfifo: prim_fifo_async

• usbdev_sync_ep_cfg: prim_flop_2sync

• usbdev_rdysync: prim_flop_2sync

• usbdev_data_toggle_clear: prim_pulse_sync

• usbdev_setsent: prim_pulse_sync

• usbdev_sync_in_err: prim_pulse_sync

• usbdev_sync_out_err: prim_pulse_sync

• usbdev_outrdyclr: prim_pulse_sync

• sync_usb_event_rx_crc_err: prim_pulse_sync

• sync_usb_event_rx_pid_err: prim_pulse_sync

• sync_usb_event_rx_bitstuff_err: prim_pulse_sync

• sync_usb_event_frame: prim_pulse_sync

• usbdev_impl: usbdev_usbif

• cdc_usb_to_sys: prim_flop_2sync

• cdc_sys_to_usb: prim_flop_2sync

• syncevent: usbdev_flop_2syncpulse

• usbdev_resume: prim_pulse_sync

• usbdev_devclr: prim_pulse_sync

• sync_usb_event_av_empty: prim_pulse_sync

• sync_usb_event_rx_full: prim_pulse_sync

• u_tlul2sram: tlul_adapter_sram

• u_memory_2p: prim_ram_2p_async_adv

• u_reg: usbdev_reg_top

• intr_hw_pkt_received: prim_intr_hw

• intr_hw_pkt_sent: prim_intr_hw

• intr_disconnected: prim_intr_hw

• intr_connected: prim_intr_hw

• intr_host_lost: prim_intr_hw

• intr_link_reset: prim_intr_hw

• intr_link_suspend: prim_intr_hw

• intr_link_resume: prim_intr_hw

• intr_av_empty: prim_intr_hw

• intr_rx_full: prim_intr_hw

• intr_av_overflow: prim_intr_hw

• intr_link_in_err: prim_intr_hw

• intr_link_out_err: prim_intr_hw

• intr_rx_crc_err: prim_intr_hw

• intr_rx_pid_err: prim_intr_hw

• intr_rx_bitstuff_err: prim_intr_hw

• intr_frame: prim_intr_hw

• i_usbdev_iomux: usbdev_iomux

• usbdev_sync_phy_config: prim_flop_2sync

• u_tgl_sync: prim_flop_2sync