Module Definition
dashboard | hierarchy | modlist | groups | tests | asserts

Module : usbdev
SCORELINECONDTOGGLEFSMBRANCHASSERT
95.73 97.53 86.57 94.55 100.00 100.00

Source File(s) :
/workspaces/lowrisc/opentitan/scratch/earlgrey_1_0_0_2024_08_20_RC0/usbdev-sim-vcs/default/sim-vcs/../src/lowrisc_ip_usbdev_0.1/rtl/usbdev.sv

Module self-instances :
NAMESCORELINECONDTOGGLEFSMBRANCHASSERT
tb.dut 96.83 97.53 92.06 94.55 100.00 100.00



Module Instance : tb.dut

Instance :
SCORELINECONDTOGGLEFSMBRANCHASSERT
96.83 97.53 92.06 94.55 100.00 100.00


Instance's subtree :
SCORELINECONDTOGGLEFSMBRANCHASSERT
96.86 98.11 95.91 97.44 93.22 98.30 98.17


Parent :
SCORELINECONDTOGGLEFSMBRANCHASSERTNAME
tb


Subtrees :
NAMESCORELINECONDTOGGLEFSMBRANCHASSERT
gen_alert_tx[0].u_prim_alert_sender 100.00 100.00
gen_event 100.00 100.00 100.00
gen_no_stubbed_memory.u_memory_1p 99.02 97.06 100.00 100.00
gen_no_stubbed_memory.u_tlul2sram 92.55 89.08 89.87 91.25 100.00
i_usbdev_iomux 80.83 100.00 73.33 100.00 50.00
intr_av_out_empty 86.94 90.00 77.78 80.00 100.00
intr_av_overflow 91.67 100.00 66.67 100.00 100.00
intr_av_setup_empty 86.94 90.00 77.78 80.00 100.00
intr_disconnected 93.75 100.00 75.00 100.00 100.00
intr_frame 89.58 100.00 58.33 100.00 100.00
intr_host_lost 93.75 100.00 75.00 100.00 100.00
intr_hw_pkt_received 86.94 90.00 77.78 80.00 100.00
intr_hw_pkt_sent 86.94 90.00 77.78 80.00 100.00
intr_link_in_err 89.58 100.00 58.33 100.00 100.00
intr_link_out_err 93.75 100.00 75.00 100.00 100.00
intr_link_reset 93.75 100.00 75.00 100.00 100.00
intr_link_resume 93.75 100.00 75.00 100.00 100.00
intr_link_suspend 89.58 100.00 58.33 100.00 100.00
intr_powered 89.58 100.00 58.33 100.00 100.00
intr_rx_bitstuff_err 93.75 100.00 75.00 100.00 100.00
intr_rx_crc_err 93.75 100.00 75.00 100.00 100.00
intr_rx_full 86.94 90.00 77.78 80.00 100.00
intr_rx_pid_err 93.75 100.00 75.00 100.00 100.00
tlul_assert_device 100.00 100.00 100.00 100.00
u_ctr_errors 65.57 84.21 50.00 62.50
u_ctr_in 54.65 78.95 25.00 60.00
u_ctr_nodata_in 66.96 84.21 50.00 66.67
u_ctr_out 54.65 78.95 25.00 60.00
u_reg 98.15 98.85 98.86 100.00 99.48 93.55
usbdev_avoutfifo 99.19 100.00 96.77 100.00 100.00
usbdev_avsetupfifo 98.39 100.00 93.55 100.00 100.00
usbdev_csr_assert 100.00 100.00
usbdev_impl 97.43 98.98 96.52 93.22 98.42 100.00
usbdev_rxfifo 99.22 100.00 96.88 100.00 100.00

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122 end else begin : gen_no_stubbed_reset 123 1/1 assign rst_n = rst_ni; Tests: T1 T2 T3  124 end 125 126 tlul_pkg::tl_h2d_t tl_sram_h2d; 127 tlul_pkg::tl_d2h_t tl_sram_d2h; 128 129 // Software access to the Packet Buffer RAM 130 logic sw_mem_a_req; 131 logic sw_mem_a_gnt; 132 logic sw_mem_a_write; 133 logic [SramAw-1:0] sw_mem_a_addr; 134 logic [SramDw-1:0] sw_mem_a_wdata; 135 logic sw_mem_a_rvalid; 136 logic [SramDw-1:0] sw_mem_a_rdata; 137 logic [1:0] sw_mem_a_rerror; 138 139 // usbdev hardware access to the Packet Buffer RAM 140 logic usb_mem_b_req; 141 logic usb_mem_b_write; 142 logic [SramAw-1:0] usb_mem_b_addr; 143 logic [SramDw-1:0] usb_mem_b_wdata; 144 logic [SramDw-1:0] usb_mem_b_rdata; 145 146 logic clr_devaddr; 147 logic event_av_setup_empty, event_av_out_empty, event_av_overflow, event_rx_full; 148 logic link_reset, link_suspend; 149 logic host_lost, link_disconnect, link_powered; 150 logic event_link_reset, event_link_suspend, event_link_resume; 151 logic event_host_lost, event_disconnect, event_powered; 152 logic event_rx_crc5_err, event_rx_crc16_err; 153 logic event_rx_crc_err, event_rx_pid_err; 154 logic event_rx_bitstuff_err; 155 logic event_in_err; 156 logic event_out_err; 157 logic event_frame, event_sof; 158 logic link_active; 159 160 // Diagnostic visibility of OUT-side exceptional events 161 logic event_ign_avsetup, event_drop_avout, event_drop_rx, event_datatog_out; 162 // Diagnostic visibility of IN-side exceptional events 163 logic event_timeout_in, event_nak_in, event_nodata_in; 164 165 // Interrupt to software reports both types of CRC error; they are separated only for the 166 // purpose of diagnostic event counting. 167 1/1 assign event_rx_crc_err = event_rx_crc5_err | event_rx_crc16_err; Tests: T1 T2 T3  168 169 logic [10:0] frame; 170 logic [2:0] link_state; 171 logic connect_en; 172 logic resume_link_active; 173 174 // Current state of OUT data toggles 175 logic [NEndpoints-1:0] out_data_toggle; 176 // Write strobe from register interface 177 logic out_datatog_we; 178 // Write data from register interface 179 logic [NEndpoints-1:0] out_datatog_status; 180 logic [NEndpoints-1:0] out_datatog_mask; 181 182 // Current state of IN data toggles 183 logic [NEndpoints-1:0] in_data_toggle; 184 // Write strobe from register interface 185 logic in_datatog_we; 186 // Write data from register interface 187 logic [NEndpoints-1:0] in_datatog_status; 188 logic [NEndpoints-1:0] in_datatog_mask; 189 190 ///////////////////////////////// 191 // USB RX after CDC & muxing // 192 ///////////////////////////////// 193 logic usb_rx_d; 194 logic usb_rx_dp; 195 logic usb_rx_dn; 196 ///////////////////////////////// 197 // USB TX after CDC & muxing // 198 ///////////////////////////////// 199 logic usb_tx_d; 200 logic usb_tx_se0; 201 logic usb_tx_dp; 202 logic usb_tx_dn; 203 logic usb_tx_oe; 204 ///////////////////////////////// 205 // USB contol pins after CDC // 206 ///////////////////////////////// 207 logic usb_pwr_sense; 208 logic usb_pullup_en; 209 logic usb_dp_pullup_en; 210 logic usb_dn_pullup_en; 211 212 ////////////////////////////////// 213 // Microsecond timing reference // 214 ////////////////////////////////// 215 // us_tick ticks for one cycle every us, and it is based off a free-running 216 // counter. 217 logic [5:0] ns_cnt; 218 logic us_tick; 219 220 1/1 assign us_tick = (ns_cnt == 6'd47); Tests: T1 T2 T3  221 always_ff @(posedge clk_i or negedge rst_n) begin 222 1/1 if (!rst_n) begin Tests: T1 T2 T3  223 1/1 ns_cnt <= '0; Tests: T1 T2 T3  224 end else begin 225 1/1 if (us_tick) begin Tests: T1 T2 T3  226 1/1 ns_cnt <= '0; Tests: T1 T2 T3  227 end else begin 228 1/1 ns_cnt <= ns_cnt + 1'b1; Tests: T1 T2 T3  229 end 230 end 231 end 232 233 ///////////////////////////// 234 // Receive interface fifos // 235 ///////////////////////////// 236 237 logic avsetup_fifo_rst; 238 logic avsetup_fifo_wready; 239 logic avout_fifo_rst; 240 logic avout_fifo_wready; 241 logic event_pkt_received; 242 logic avsetup_rvalid, avsetup_rready; 243 logic avout_rvalid, avout_rready; 244 logic rx_fifo_rst; 245 logic rx_wvalid, rx_wready; 246 logic rx_wready_setup, rx_wready_out; 247 logic rx_fifo_rvalid; 248 logic rx_fifo_re; 249 250 logic [AVFifoWidth - 1:0] avsetup_rdata; 251 logic [AVFifoWidth - 1:0] avout_rdata; 252 logic [RXFifoWidth - 1:0] rx_wdata, rx_rdata; 253 254 logic [NEndpoints-1:0] clear_rxenable_out; 255 256 // Software reset signals 257 1/1 assign avsetup_fifo_rst = reg2hw.fifo_ctrl.avsetup_rst.qe & reg2hw.fifo_ctrl.avsetup_rst.q; Tests: T1 T2 T3  258 1/1 assign avout_fifo_rst = reg2hw.fifo_ctrl.avout_rst.qe & reg2hw.fifo_ctrl.avout_rst.q; Tests: T1 T2 T3  259 1/1 assign rx_fifo_rst = reg2hw.fifo_ctrl.rx_rst.qe & reg2hw.fifo_ctrl.rx_rst.q; Tests: T1 T2 T3  260 261 // Separate 'FIFO empty' interrupts for the OUT and SETUP FIFOs because each interrupt cannot be 262 // cleared without writing a buffer into the FIFO 263 1/1 assign event_av_setup_empty = connect_en & ~avsetup_rvalid; Tests: T1 T2 T3  264 1/1 assign event_av_out_empty = connect_en & ~avout_rvalid; Tests: T1 T2 T3  265 // A single 'overflow' interrupt suffices since this indicates a programming error 266 1/1 assign event_av_overflow = (reg2hw.avsetupbuffer.qe & (~avsetup_fifo_wready)) Tests: T1 T2 T3  267 | (reg2hw.avoutbuffer.qe & (~avout_fifo_wready)); 268 1/1 assign hw2reg.usbstat.rx_empty.d = connect_en & ~rx_fifo_rvalid; Tests: T1 T2 T3  269 270 // Available SETUP Buffer FIFO 271 prim_fifo_sync #( 272 .Width(AVFifoWidth), 273 .Pass(1'b0), 274 .Depth(AVSetupFifoDepth), 275 .OutputZeroIfEmpty(1'b0) 276 ) usbdev_avsetupfifo ( 277 .clk_i, 278 .rst_ni (rst_n), 279 .clr_i (avsetup_fifo_rst), 280 281 .wvalid_i (reg2hw.avsetupbuffer.qe), 282 .wready_o (avsetup_fifo_wready), 283 .wdata_i (reg2hw.avsetupbuffer.q), 284 285 .rvalid_o (avsetup_rvalid), 286 .rready_i (avsetup_rready), 287 .rdata_o (avsetup_rdata), 288 .full_o (hw2reg.usbstat.av_setup_full.d), 289 .depth_o (hw2reg.usbstat.av_setup_depth.d), 290 .err_o () 291 ); 292 293 // Available OUT Buffer FIFO 294 prim_fifo_sync #( 295 .Width(AVFifoWidth), 296 .Pass(1'b0), 297 .Depth(AVOutFifoDepth), 298 .OutputZeroIfEmpty(1'b0) 299 ) usbdev_avoutfifo ( 300 .clk_i, 301 .rst_ni (rst_n), 302 .clr_i (avout_fifo_rst), 303 304 .wvalid_i (reg2hw.avoutbuffer.qe), 305 .wready_o (avout_fifo_wready), 306 .wdata_i (reg2hw.avoutbuffer.q), 307 308 .rvalid_o (avout_rvalid), 309 .rready_i (avout_rready), 310 .rdata_o (avout_rdata), 311 .full_o (hw2reg.usbstat.av_out_full.d), 312 .depth_o (hw2reg.usbstat.av_out_depth.d), 313 .err_o () 314 ); 315 316 1/1 assign rx_fifo_re = reg2hw.rxfifo.ep.re | reg2hw.rxfifo.setup.re | Tests: T2 T30 T31  317 reg2hw.rxfifo.size.re | reg2hw.rxfifo.buffer.re; 318 319 // The number of used entries in the Received Buffer FIFO is presented to the software 320 logic [RXFifoDepthW-1:0] rx_depth; 321 1/1 assign hw2reg.usbstat.rx_depth.d = rx_depth; Tests: T1 T2 T3  322 323 // We can always accept a SETUP packet if the Received Buffer FIFO is not full... 324 1/1 assign rx_wready_setup = rx_wready; Tests: T1 T2 T3  325 // ... but regular OUT packets are not permitted to use the final entry; still qualified 326 // with 'rx_wready' for when reset is asserted. 327 1/1 assign rx_wready_out = rx_wready & (rx_depth < RXFifoDepthW'(RXFifoDepth - 1)); Tests: T1 T2 T3  328 329 // Received Buffer FIFO 330 prim_fifo_sync #( 331 .Width(RXFifoWidth), 332 .Pass(1'b0), 333 .Depth(RXFifoDepth), 334 .OutputZeroIfEmpty(1'b1) 335 ) usbdev_rxfifo ( 336 .clk_i, 337 .rst_ni (rst_n), 338 .clr_i (rx_fifo_rst), 339 340 .wvalid_i (rx_wvalid), 341 .wready_o (rx_wready), 342 .wdata_i (rx_wdata), 343 344 .rvalid_o (rx_fifo_rvalid), 345 .rready_i (rx_fifo_re), 346 .rdata_o (rx_rdata), 347 .full_o (event_rx_full), 348 .depth_o (rx_depth), 349 .err_o () 350 ); 351 352 1/1 assign hw2reg.rxfifo.ep.d = rx_rdata[16:13]; Tests: T1 T2 T3  353 1/1 assign hw2reg.rxfifo.setup.d = rx_rdata[12]; Tests: T1 T2 T3  354 1/1 assign hw2reg.rxfifo.size.d = rx_rdata[11:5]; Tests: T1 T2 T3  355 1/1 assign hw2reg.rxfifo.buffer.d = rx_rdata[4:0]; Tests: T1 T2 T3  356 1/1 assign event_pkt_received = rx_fifo_rvalid; Tests: T1 T2 T3  357 358 // The rxfifo register is hrw, but we just need the read enables. 359 logic [16:0] unused_rxfifo_q; 360 0/1 ==> assign unused_rxfifo_q = {reg2hw.rxfifo.ep.q, reg2hw.rxfifo.setup.q, 361 reg2hw.rxfifo.size.q, reg2hw.rxfifo.buffer.q}; 362 363 //////////////////////////////////// 364 // IN (Transmit) interface config // 365 //////////////////////////////////// 366 logic [NBufWidth-1:0] in_buf [NEndpoints]; 367 logic [SizeWidth:0] in_size [NEndpoints]; 368 logic [3:0] in_endpoint; 369 logic in_endpoint_val; 370 logic [NEndpoints-1:0] in_rdy; 371 logic [NEndpoints-1:0] clear_rdybit, set_sentbit, update_pend, set_sending; 372 logic setup_received, in_ep_xact_end; 373 logic [NEndpoints-1:0] ep_out_iso, ep_in_iso; 374 logic [NEndpoints-1:0] enable_out, enable_setup, in_ep_stall, out_ep_stall; 375 logic [NEndpoints-1:0] ep_set_nak_on_out; 376 logic [NEndpoints-1:0] ep_in_enable, ep_out_enable; 377 logic [3:0] out_endpoint; 378 logic out_endpoint_val; 379 logic use_diff_rcvr, usb_diff_rx_ok; 380 381 // Endpoint enables 382 always_comb begin : proc_map_ep_enable 383 1/1 for (int i = 0; i < NEndpoints; i++) begin Tests: T1 T2 T3  384 1/1 ep_in_enable[i] = reg2hw.ep_in_enable[i].q; Tests: T1 T2 T3  385 1/1 ep_out_enable[i] = reg2hw.ep_out_enable[i].q; Tests: T1 T2 T3  386 end 387 end 388 389 // RX enables 390 always_comb begin : proc_map_rxenable 391 1/1 for (int i = 0; i < NEndpoints; i++) begin Tests: T1 T2 T3  392 1/1 enable_setup[i] = reg2hw.rxenable_setup[i].q; Tests: T1 T2 T3  393 1/1 enable_out[i] = reg2hw.rxenable_out[i].q; Tests: T1 T2 T3  394 1/1 ep_set_nak_on_out[i] = reg2hw.set_nak_out[i].q; Tests: T1 T2 T3  395 end 396 end 397 398 // STALL for both directions 399 always_comb begin : proc_map_stall 400 1/1 for (int i = 0; i < NEndpoints; i++) begin Tests: T1 T2 T3  401 1/1 in_ep_stall[i] = reg2hw.in_stall[i]; Tests: T1 T2 T3  402 1/1 out_ep_stall[i] = reg2hw.out_stall[i]; Tests: T1 T2 T3  403 end 404 end 405 406 always_comb begin : proc_map_iso 407 1/1 for (int i = 0; i < NEndpoints; i++) begin Tests: T1 T2 T3  408 1/1 ep_out_iso[i] = reg2hw.out_iso[i].q; Tests: T1 T2 T3  409 1/1 ep_in_iso[i] = reg2hw.in_iso[i].q; Tests: T1 T2 T3  410 end 411 end 412 413 always_comb begin : proc_map_buf_size 414 1/1 for (int i = 0; i < NEndpoints; i++) begin Tests: T1 T2 T3  415 1/1 in_buf[i] = reg2hw.configin[i].buffer.q; Tests: T1 T2 T3  416 1/1 in_size[i] = reg2hw.configin[i].size.q; Tests: T1 T2 T3  417 end 418 end 419 420 always_comb begin : proc_map_rdy_reg2hw 421 1/1 for (int i = 0; i < NEndpoints; i++) begin Tests: T1 T2 T3  422 1/1 in_rdy[i] = reg2hw.configin[i].rdy.q; Tests: T1 T2 T3  423 end 424 end 425 426 // Captured properties of current IN buffer, maintained throughout packet collection as 427 // protection against change during packet retraction by FW. 428 logic [NBufWidth-1:0] in_buf_q, in_buf_d; 429 logic [SizeWidth:0] in_size_q, in_size_d; 430 logic in_xact_starting; 431 logic [3:0] in_xact_start_ep; 432 433 always_ff @(posedge clk_i or negedge rst_n) begin 434 1/1 if (!rst_n) begin Tests: T1 T2 T3  435 1/1 in_buf_q <= '0; Tests: T1 T2 T3  436 1/1 in_size_q <= '0; Tests: T1 T2 T3  437 end else begin 438 1/1 in_buf_q <= in_buf_d; Tests: T1 T2 T3  439 1/1 in_size_q <= in_size_d; Tests: T1 T2 T3  440 end 441 end 442 1/1 assign in_buf_d = in_xact_starting ? in_buf[in_xact_start_ep] : in_buf_q; Tests: T1 T2 T3  443 1/1 assign in_size_d = in_xact_starting ? in_size[in_xact_start_ep] : in_size_q; Tests: T1 T2 T3  444 445 // OUT data toggles are maintained with the packet engine but may be set or 446 // cleared by software 447 1/1 assign out_datatog_we = reg2hw.out_data_toggle.status.qe & reg2hw.out_data_toggle.mask.qe; Tests: T29 T30 T37  448 1/1 assign out_datatog_status = reg2hw.out_data_toggle.status.q; Tests: T1 T2 T3  449 1/1 assign out_datatog_mask = reg2hw.out_data_toggle.mask.q; Tests: T1 T2 T3  450 // Software may read tham at any time 451 1/1 assign hw2reg.out_data_toggle.status.d = out_data_toggle; Tests: T1 T2 T3  452 assign hw2reg.out_data_toggle.mask.d = {NEndpoints{1'b0}}; 453 454 // IN data toggles are maintained with the packet engine but may be set or 455 // cleared by software 456 1/1 assign in_datatog_we = reg2hw.in_data_toggle.status.qe & reg2hw.in_data_toggle.mask.qe; Tests: T29 T30 T113  457 1/1 assign in_datatog_status = reg2hw.in_data_toggle.status.q; Tests: T1 T2 T3  458 1/1 assign in_datatog_mask = reg2hw.in_data_toggle.mask.q; Tests: T1 T2 T3  459 // Software may read them at any time 460 1/1 assign hw2reg.in_data_toggle.status.d = in_data_toggle; Tests: T1 T2 T3  461 assign hw2reg.in_data_toggle.mask.d = {NEndpoints{1'b0}}; 462 463 always_comb begin 464 1/1 set_sentbit = '0; Tests: T1 T2 T3  465 1/1 if (in_ep_xact_end && in_endpoint_val) begin Tests: T1 T2 T3  466 1/1 set_sentbit[in_endpoint] = 1'b1; Tests: T2 T29 T30  467 end MISSING_ELSE 468 end 469 470 always_comb begin : proc_map_sent 471 1/1 for (int i = 0; i < NEndpoints; i++) begin Tests: T2 T29 T30  472 1/1 hw2reg.in_sent[i].de = set_sentbit[i]; Tests: T2 T29 T30  473 1/1 hw2reg.in_sent[i].d = 1'b1; Tests: T2 T29 T30  474 end 475 end 476 477 // This must be held level for the interrupt, so no sent packets are missed. 478 logic sent_event_pending; 479 always_comb begin 480 1/1 sent_event_pending = 1'b0; Tests: T1 T2 T3  481 1/1 for (int i = 0; i < NEndpoints; i++) begin Tests: T1 T2 T3  482 1/1 sent_event_pending |= reg2hw.in_sent[i].q; Tests: T1 T2 T3  483 end 484 end 485 486 // Clear of rxenable_out bit 487 // If so configured, for every received transaction on a given endpoint, clear 488 // the rxenable_out bit. In this configuration, hardware defaults to NAKing 489 // any subsequent transaction, so software has time to decide the next 490 // response. 491 always_comb begin 492 1/1 clear_rxenable_out = '0; Tests: T1 T2 T3  493 1/1 if (rx_wvalid && out_endpoint_val) begin Tests: T1 T2 T3  494 1/1 clear_rxenable_out[out_endpoint] = ep_set_nak_on_out[out_endpoint]; Tests: T1 T2 T30  495 end MISSING_ELSE 496 end 497 498 always_comb begin 499 1/1 for (int i = 0; i < NEndpoints; i++) begin Tests: T77 T134 T135  500 1/1 hw2reg.rxenable_out[i].d = 1'b0; Tests: T77 T134 T135  501 1/1 hw2reg.rxenable_out[i].de = clear_rxenable_out[i]; Tests: T77 T134 T135  502 end 503 end 504 505 always_comb begin 506 1/1 clear_rdybit = '0; Tests: T1 T2 T3  507 1/1 update_pend = '0; Tests: T1 T2 T3  508 1/1 if (event_link_reset) begin Tests: T1 T2 T3  509 1/1 clear_rdybit = {NEndpoints{1'b1}}; Tests: T1 T2 T3  510 1/1 update_pend = {NEndpoints{1'b1}}; Tests: T1 T2 T3  511 end else begin 512 1/1 if (setup_received & out_endpoint_val) begin Tests: T1 T2 T3  513 // Clear pending when a SETUP is received 514 1/1 clear_rdybit[out_endpoint] = 1'b1; Tests: T91 T53 T54  515 1/1 update_pend[out_endpoint] = 1'b1; Tests: T91 T53 T54  516 1/1 end else if (in_ep_xact_end & in_endpoint_val) begin Tests: T1 T2 T3  517 // Clear rdy and sending when an IN transmission was successful 518 1/1 clear_rdybit[in_endpoint] = 1'b1; Tests: T2 T29 T30  519 end MISSING_ELSE 520 end 521 end 522 523 // IN transaction starting on any endpoint? 524 always_comb begin 525 1/1 set_sending = '0; Tests: T1 T2 T3  526 2/2 if (in_xact_starting) set_sending[in_xact_start_ep] = 1'b1; Tests: T1 T2 T3  | T2 T29 T30  MISSING_ELSE 527 end 528 529 // Clearing of rdy bit in response to successful IN packet transmission or packet cancellation 530 // through link reset or SETUP packet reception. 531 always_comb begin : proc_map_rdy_hw2reg 532 1/1 for (int i = 0; i < NEndpoints; i++) begin Tests: T1 T2 T3  533 1/1 hw2reg.configin[i].rdy.de = clear_rdybit[i]; Tests: T1 T2 T3  534 1/1 hw2reg.configin[i].rdy.d = 1'b0; Tests: T1 T2 T3  535 end 536 end 537 538 // Update the pending bit by copying the ready bit that is about to clear 539 always_comb begin : proc_map_pend 540 1/1 for (int i = 0; i < NEndpoints; i++) begin Tests: T1 T2 T3  541 1/1 hw2reg.configin[i].pend.de = update_pend[i]; Tests: T1 T2 T3  542 1/1 hw2reg.configin[i].pend.d = reg2hw.configin[i].rdy.q | reg2hw.configin[i].pend.q; Tests: T1 T2 T3  543 end 544 end 545 546 // Update the sending bit to mark that collection of the packet by the USB host has been 547 // attempted and FW shall not attempt retraction of the packet. 548 always_comb begin : proc_map_sending 549 1/1 for (int i = 0; i < NEndpoints; i++) begin Tests: T1 T2 T3  550 1/1 hw2reg.configin[i].sending.de = set_sending[i] | set_sentbit[i] | update_pend[i]; Tests: T1 T2 T3  551 1/1 hw2reg.configin[i].sending.d = ~set_sentbit[i] & ~update_pend[i]; Tests: T1 T2 T3  552 end 553 end 554 555 //////////////////////////////////////////////////////// 556 // USB interface -- everything is in USB clock domain // 557 //////////////////////////////////////////////////////// 558 logic cfg_pinflip; 559 1/1 assign cfg_pinflip = reg2hw.phy_config.pinflip.q; Tests: T1 T2 T3  560 1/1 assign usb_dp_pullup_en = cfg_pinflip ? 1'b0 : usb_pullup_en; Tests: T1 T2 T3  561 1/1 assign usb_dn_pullup_en = !cfg_pinflip ? 1'b0 : usb_pullup_en; Tests: T1 T2 T3  562 563 564 usbdev_usbif #( 565 .NEndpoints (NEndpoints), 566 .AVFifoWidth (AVFifoWidth), 567 .RXFifoWidth (RXFifoWidth), 568 .MaxPktSizeByte (MaxPktSizeByte), 569 .NBuf (NBuf), 570 .SramAw (SramAw) 571 ) usbdev_impl ( 572 .clk_48mhz_i (clk_i), 573 .rst_ni (rst_n), 574 575 // Pins 576 .usb_d_i (usb_rx_d), 577 .usb_dp_i (usb_rx_dp), 578 .usb_dn_i (usb_rx_dn), 579 .usb_oe_o (usb_tx_oe), 580 .usb_d_o (usb_tx_d), 581 .usb_se0_o (usb_tx_se0), 582 .usb_dp_o (usb_tx_dp), 583 .usb_dn_o (usb_tx_dn), 584 .usb_sense_i (usb_pwr_sense), 585 .usb_pullup_en_o (usb_pullup_en), 586 587 // receive side 588 .rx_setup_i (enable_setup), 589 .rx_out_i (enable_out), 590 .rx_stall_i (out_ep_stall), 591 .avsetup_rvalid_i (avsetup_rvalid), 592 .avsetup_rready_o (avsetup_rready), 593 .avsetup_rdata_i (avsetup_rdata), 594 .avout_rvalid_i (avout_rvalid), 595 .avout_rready_o (avout_rready), 596 .avout_rdata_i (avout_rdata), 597 598 .rx_wvalid_o (rx_wvalid), 599 .rx_wready_setup_i (rx_wready_setup), 600 .rx_wready_out_i (rx_wready_out), 601 .rx_wdata_o (rx_wdata), 602 .setup_received_o (setup_received), 603 .out_endpoint_o (out_endpoint), // will be stable for several cycles 604 .out_endpoint_val_o (out_endpoint_val), 605 606 // transmit side 607 .in_xact_starting_o (in_xact_starting), 608 .in_xact_start_ep_o (in_xact_start_ep), 609 .in_buf_i (in_buf_q), 610 .in_size_i (in_size_q), 611 .in_stall_i (in_ep_stall), 612 .in_rdy_i (in_rdy), 613 .in_ep_xact_end_o (in_ep_xact_end), 614 .in_endpoint_o (in_endpoint), 615 .in_endpoint_val_o (in_endpoint_val), 616 617 // memory 618 .mem_req_o (usb_mem_b_req), 619 .mem_write_o (usb_mem_b_write), 620 .mem_addr_o (usb_mem_b_addr), 621 .mem_wdata_o (usb_mem_b_wdata), 622 .mem_rdata_i (usb_mem_b_rdata), 623 624 // time reference 625 .us_tick_i (us_tick), 626 627 // control 628 .connect_en_i (connect_en), 629 .devaddr_i (reg2hw.usbctrl.device_address.q), 630 .clr_devaddr_o (clr_devaddr), 631 .in_ep_enabled_i (ep_in_enable), 632 .out_ep_enabled_i (ep_out_enable), 633 .out_ep_iso_i (ep_out_iso), 634 .in_ep_iso_i (ep_in_iso), 635 .diff_rx_ok_i (usb_diff_rx_ok), 636 .cfg_eop_single_bit_i (reg2hw.phy_config.eop_single_bit.q), // cdc ok: quasi-static 637 .tx_osc_test_mode_i (reg2hw.phy_config.tx_osc_test_mode.q), // cdc ok: quasi-static 638 .cfg_use_diff_rcvr_i (usb_rx_enable_o), 639 .cfg_pinflip_i (cfg_pinflip), 640 .out_data_toggle_o (out_data_toggle), 641 .out_datatog_we_i (out_datatog_we), 642 .out_datatog_status_i (out_datatog_status), 643 .out_datatog_mask_i (out_datatog_mask), 644 .in_data_toggle_o (in_data_toggle), 645 .in_datatog_we_i (in_datatog_we), 646 .in_datatog_status_i (in_datatog_status), 647 .in_datatog_mask_i (in_datatog_mask), 648 649 .resume_link_active_i (resume_link_active), 650 651 // status 652 .frame_o (frame), 653 .frame_start_o (event_frame), 654 .sof_detected_o (event_sof), 655 .link_state_o (link_state), 656 .link_disconnect_o (link_disconnect), 657 .link_powered_o (link_powered), 658 .link_reset_o (link_reset), 659 .link_active_o (link_active), 660 .link_suspend_o (link_suspend), 661 .link_resume_o (event_link_resume), 662 .host_lost_o (host_lost), 663 .link_in_err_o (event_in_err), 664 .link_out_err_o (event_out_err), 665 .rx_crc5_err_o (event_rx_crc5_err), 666 .rx_crc16_err_o (event_rx_crc16_err), 667 .rx_pid_err_o (event_rx_pid_err), 668 .rx_bitstuff_err_o (event_rx_bitstuff_err), 669 670 // event counters 671 .event_ign_avsetup_o (event_ign_avsetup), 672 .event_drop_avout_o (event_drop_avout), 673 .event_drop_rx_o (event_drop_rx), 674 .event_datatog_out_o (event_datatog_out), 675 .event_timeout_in_o (event_timeout_in), 676 .event_nak_in_o (event_nak_in), 677 .event_nodata_in_o (event_nodata_in) 678 ); 679 680 ///////////////////////////////// 681 // Control signal / status CDC // 682 ///////////////////////////////// 683 684 1/1 assign hw2reg.usbstat.link_state.d = link_state; Tests: T1 T2 T3  685 1/1 assign hw2reg.usbstat.frame.d = frame; Tests: T1 T2 T3  686 687 1/1 assign connect_en = reg2hw.usbctrl.enable.q; Tests: T1 T2 T3  688 1/1 assign resume_link_active = reg2hw.usbctrl.resume_link_active.qe & Tests: T1 T2 T3  689 reg2hw.usbctrl.resume_link_active.q; 690 691 // Just want a pulse to ensure only one interrupt for an event 692 prim_edge_detector #( 693 .Width(5), 694 .EnSync(1'b0) 695 ) gen_event ( 696 .clk_i, 697 .rst_ni (rst_n), 698 .d_i ({link_disconnect, link_reset, link_suspend, 699 host_lost, link_powered}), 700 .q_sync_o (), 701 .q_posedge_pulse_o({event_disconnect, event_link_reset, event_link_suspend, 702 event_host_lost, event_powered}), 703 .q_negedge_pulse_o() 704 ); 705 706 1/1 assign hw2reg.usbstat.host_lost.d = host_lost; Tests: T1 T2 T3  707 708 // resets etc cause the device address to clear 709 1/1 assign hw2reg.usbctrl.device_address.de = clr_devaddr; Tests: T1 T2 T3  710 assign hw2reg.usbctrl.device_address.d = '0; 711 712 // Clear the stall flag when a SETUP is received 713 714 always_comb begin : proc_stall_tieoff 715 1/1 for (int i = 0; i < NEndpoints; i++) begin Tests: T1 T2 T3  716 1/1 hw2reg.in_stall[i].d = 1'b0; Tests: T1 T2 T3  717 1/1 hw2reg.out_stall[i].d = 1'b0; Tests: T1 T2 T3  718 1/1 if (setup_received && out_endpoint_val && out_endpoint == 4'(unsigned'(i))) begin Tests: T1 T2 T3  719 1/1 hw2reg.out_stall[i].de = 1'b1; Tests: T91 T53 T54  720 1/1 hw2reg.in_stall[i].de = 1'b1; Tests: T91 T53 T54  721 end else begin 722 1/1 hw2reg.out_stall[i].de = 1'b0; Tests: T1 T2 T3  723 1/1 hw2reg.in_stall[i].de = 1'b0; Tests: T1 T2 T3  724 end 725 end 726 end 727 728 if (Stub) begin : gen_stubbed_memory 729 // Stub this window off with an error responder if stubbed. 730 tlul_err_resp u_tlul_err_resp ( 731 .clk_i, 732 .rst_ni, 733 .tl_h_i(tl_sram_h2d), 734 .tl_h_o(tl_sram_d2h) 735 ); 736 737 // Tie off unused signals 738 assign sw_mem_a_req = '0; 739 assign sw_mem_a_gnt = '0; 740 assign sw_mem_a_write = '0; 741 assign sw_mem_a_addr = '0; 742 assign sw_mem_a_wdata = '0; 743 assign sw_mem_a_rvalid = '0; 744 assign sw_mem_a_rdata = '0; 745 assign sw_mem_a_rerror = '0; 746 747 assign usb_mem_b_rdata = '0; 748 749 logic unused_usb_mem_b_sigs; 750 assign unused_usb_mem_b_sigs = ^{ 751 ram_cfg_i, 752 usb_mem_b_req, 753 usb_mem_b_write, 754 usb_mem_b_addr, 755 usb_mem_b_wdata, 756 usb_mem_b_rdata 757 }; 758 end else begin : gen_no_stubbed_memory 759 // TL-UL to SRAM adapter 760 tlul_adapter_sram #( 761 .SramAw(SramAw), 762 .ByteAccess(0) 763 ) u_tlul2sram ( 764 .clk_i, 765 .rst_ni, 766 767 .tl_i (tl_sram_h2d), 768 .tl_o (tl_sram_d2h), 769 .en_ifetch_i (prim_mubi_pkg::MuBi4False), 770 .req_o (sw_mem_a_req), 771 .req_type_o (), 772 .gnt_i (sw_mem_a_gnt), 773 .we_o (sw_mem_a_write), 774 .addr_o (sw_mem_a_addr), 775 .wdata_o (sw_mem_a_wdata), 776 .wmask_o (), // Not used 777 .intg_error_o (), 778 .rdata_i (sw_mem_a_rdata), 779 .rvalid_i (sw_mem_a_rvalid), 780 .rerror_i (sw_mem_a_rerror), 781 .compound_txn_in_progress_o (), 782 .readback_en_i (prim_mubi_pkg::MuBi4False), 783 .readback_error_o (), 784 .wr_collision_i (1'b0), 785 .write_pending_i (1'b0) 786 ); 787 788 // Single Port RAM implementation, which will award the `usb` port absolute priority and 789 // delay `sw` access by in the event of a collision. 790 // 791 // In practice the `usb` access to memory is sporadic (4x oversampling of bits, and read/write 792 // operations transfer 32 bits so on average the probability of collision is just 1/128 even 793 // during active USB traffic, if the TL-UL interface were active on every cycle). 794 795 // usb access has absolute priority, followed by any deferred write, and then any sw access. 796 logic mem_req; 797 logic mem_write; 798 logic [SramAw-1:0] mem_addr; 799 logic [SramDw-1:0] mem_wdata; 800 1/1 assign mem_req = usb_mem_b_req | sw_mem_a_req; Tests: T1 T2 T3  801 1/1 assign mem_write = usb_mem_b_req ? usb_mem_b_write : sw_mem_a_write; Tests: T1 T2 T3  802 1/1 assign mem_addr = usb_mem_b_req ? usb_mem_b_addr : sw_mem_a_addr; Tests: T1 T2 T3  803 1/1 assign mem_wdata = usb_mem_b_req ? usb_mem_b_wdata : sw_mem_a_wdata; Tests: T1 T2 T3  804 805 logic mem_rvalid; 806 logic [SramDw-1:0] mem_rdata; 807 logic [1:0] mem_rerror; 808 logic mem_rsteering; 809 810 // Always grant when no `usb` request. 811 1/1 assign sw_mem_a_gnt = !usb_mem_b_req; Tests: T1 T2 T3  812 813 // `usb` relies upon its read data remaining static after read. 814 logic mem_b_read_q; 815 logic [SramDw-1:0] mem_b_rdata_q; 816 817 // Remember granted read accesses. 818 // NOTE: No pipelining within the RAM model. 819 always_ff @(posedge clk_i or negedge rst_ni) begin 820 1/1 if (!rst_ni) begin Tests: T1 T2 T3  821 1/1 mem_rsteering <= 1'b0; Tests: T1 T2 T3  822 1/1 mem_b_read_q <= 1'b0; Tests: T1 T2 T3  823 1/1 mem_b_rdata_q <= {SramDw{1'b0}}; Tests: T1 T2 T3  824 end else begin 825 1/1 mem_rsteering <= usb_mem_b_req; Tests: T1 T2 T3  826 1/1 mem_b_read_q <= usb_mem_b_req & !usb_mem_b_write; Tests: T1 T2 T3  827 // Capture the `usb` read data. 828 1/1 if (mem_b_read_q) Tests: T1 T2 T3  829 1/1 mem_b_rdata_q <= mem_rdata; Tests: T2 T29 T30  MISSING_ELSE 830 end 831 end 832 833 // Read responses. 834 1/1 assign sw_mem_a_rvalid = mem_rvalid & !mem_rsteering; Tests: T1 T2 T3  835 unreachable assign sw_mem_a_rerror = {2{sw_mem_a_rvalid}} & mem_rerror; 836 // We may safely return the read data to both (no security implications), but `usb` rdata 837 // must be held static after the read, and be unaffected by `sw` reads. 838 1/1 assign sw_mem_a_rdata = mem_rdata; Tests: T2 T30 T31  839 1/1 assign usb_mem_b_rdata = mem_b_read_q ? mem_rdata : mem_b_rdata_q; Tests: T1 T2 T3  840 841 // SRAM Wrapper 842 prim_ram_1p_adv #( 843 .Depth (SramDepth), 844 .Width (SramDw), // 32 x 512 --> 2kB 845 .DataBitsPerMask(8), 846 847 .EnableECC (0), // No Protection 848 .EnableParity (0), 849 .EnableInputPipeline (0), 850 .EnableOutputPipeline(0) 851 ) u_memory_1p ( 852 .clk_i, 853 .rst_ni, 854 855 .req_i (mem_req), 856 .write_i (mem_write), 857 .addr_i (mem_addr), 858 .wdata_i (mem_wdata), 859 .wmask_i ({SramDw{1'b1}}), 860 .rdata_o (mem_rdata), 861 .rvalid_o (mem_rvalid), 862 .rerror_o (mem_rerror), 863 .cfg_i (ram_cfg_i), 864 .alert_o () 865 ); 866 end : gen_no_stubbed_memory 867 868 logic [NumAlerts-1:0] alert_test, alerts; 869 870 // Register module 871 usbdev_reg_top u_reg ( 872 .clk_i, 873 .rst_ni, // this reset is not stubbed off so that the registers are still accessible. 874 .clk_aon_i, 875 .rst_aon_ni, // this reset is not stubbed off so that the registers are still accessible. 876 877 .tl_i (tl_i), 878 .tl_o (tl_o), 879 880 .tl_win_o (tl_sram_h2d), 881 .tl_win_i (tl_sram_d2h), 882 883 .reg2hw(reg2hw_regtop), 884 .hw2reg(hw2reg_regtop), 885 886 // SEC_CM: BUS.INTEGRITY 887 .intg_err_o (alerts[0]) 888 ); 889 890 // Stub off all register connections to reg_top. 891 if (Stub) begin : gen_stubbed 892 logic unused_sigs; 893 assign reg2hw = '0; 894 assign hw2reg_regtop = '0; 895 assign unused_sigs = ^{reg2hw_regtop, hw2reg}; 896 end else begin : gen_not_stubbed 897 1/1 assign reg2hw = reg2hw_regtop; Tests: T1 T2 T3  898 1/1 assign hw2reg_regtop = hw2reg; Tests: T1 T2 T3  899 end 900 901 // Alerts 902 1/1 assign alert_test = { Tests: T1 T2 T3  903 reg2hw.alert_test.q & 904 reg2hw.alert_test.qe 905 }; 906 907 // Alerts not stubbed off because registers and T-L access still present. 908 localparam logic [NumAlerts-1:0] AlertIsFatal = {NumAlerts{1'b1}}; 909 for (genvar i = 0; i < NumAlerts; i++) begin : gen_alert_tx 910 prim_alert_sender #( 911 .AsyncOn(AlertAsyncOn[i]), 912 .IsFatal(AlertIsFatal[i]) 913 ) u_prim_alert_sender ( 914 .clk_i, 915 .rst_ni, // this reset is not stubbed off so that the pings still work. 916 .alert_test_i ( alert_test[i] ), 917 .alert_req_i ( alerts[0] ), 918 .alert_ack_o ( ), 919 .alert_state_o ( ), 920 .alert_rx_i ( alert_rx_i[i] ), 921 .alert_tx_o ( alert_tx_o[i] ) 922 ); 923 end 924 925 // Interrupts 926 prim_intr_hw #(.Width(1), .IntrT("Status")) intr_hw_pkt_received ( 927 .clk_i, 928 .rst_ni, // not stubbed off so that the interrupt regs still work. 929 .event_intr_i (event_pkt_received), 930 .reg2hw_intr_enable_q_i (reg2hw.intr_enable.pkt_received.q), 931 .reg2hw_intr_test_q_i (reg2hw.intr_test.pkt_received.q), 932 .reg2hw_intr_test_qe_i (reg2hw.intr_test.pkt_received.qe), 933 .reg2hw_intr_state_q_i (reg2hw.intr_state.pkt_received.q), 934 .hw2reg_intr_state_de_o (hw2reg.intr_state.pkt_received.de), 935 .hw2reg_intr_state_d_o (hw2reg.intr_state.pkt_received.d), 936 .intr_o (intr_pkt_received_o) 937 ); 938 939 prim_intr_hw #(.Width(1), .IntrT("Status")) intr_hw_pkt_sent ( 940 .clk_i, 941 .rst_ni, // not stubbed off so that the interrupt regs still work. 942 .event_intr_i (sent_event_pending), 943 .reg2hw_intr_enable_q_i (reg2hw.intr_enable.pkt_sent.q), 944 .reg2hw_intr_test_q_i (reg2hw.intr_test.pkt_sent.q), 945 .reg2hw_intr_test_qe_i (reg2hw.intr_test.pkt_sent.qe), 946 .reg2hw_intr_state_q_i (reg2hw.intr_state.pkt_sent.q), 947 .hw2reg_intr_state_de_o (hw2reg.intr_state.pkt_sent.de), 948 .hw2reg_intr_state_d_o (hw2reg.intr_state.pkt_sent.d), 949 .intr_o (intr_pkt_sent_o) 950 ); 951 952 prim_intr_hw #(.Width(1)) intr_disconnected ( 953 .clk_i, 954 .rst_ni, // not stubbed off so that the interrupt regs still work. 955 .event_intr_i (event_disconnect), 956 .reg2hw_intr_enable_q_i (reg2hw.intr_enable.disconnected.q), 957 .reg2hw_intr_test_q_i (reg2hw.intr_test.disconnected.q), 958 .reg2hw_intr_test_qe_i (reg2hw.intr_test.disconnected.qe), 959 .reg2hw_intr_state_q_i (reg2hw.intr_state.disconnected.q), 960 .hw2reg_intr_state_de_o (hw2reg.intr_state.disconnected.de), 961 .hw2reg_intr_state_d_o (hw2reg.intr_state.disconnected.d), 962 .intr_o (intr_disconnected_o) 963 ); 964 965 prim_intr_hw #(.Width(1)) intr_powered ( 966 .clk_i, 967 .rst_ni, // not stubbed off so that the interrupt regs still work. 968 .event_intr_i (event_powered), 969 .reg2hw_intr_enable_q_i (reg2hw.intr_enable.powered.q), 970 .reg2hw_intr_test_q_i (reg2hw.intr_test.powered.q), 971 .reg2hw_intr_test_qe_i (reg2hw.intr_test.powered.qe), 972 .reg2hw_intr_state_q_i (reg2hw.intr_state.powered.q), 973 .hw2reg_intr_state_de_o (hw2reg.intr_state.powered.de), 974 .hw2reg_intr_state_d_o (hw2reg.intr_state.powered.d), 975 .intr_o (intr_powered_o) 976 ); 977 978 prim_intr_hw #(.Width(1)) intr_host_lost ( 979 .clk_i, 980 .rst_ni, // not stubbed off so that the interrupt regs still work. 981 .event_intr_i (event_host_lost), 982 .reg2hw_intr_enable_q_i (reg2hw.intr_enable.host_lost.q), 983 .reg2hw_intr_test_q_i (reg2hw.intr_test.host_lost.q), 984 .reg2hw_intr_test_qe_i (reg2hw.intr_test.host_lost.qe), 985 .reg2hw_intr_state_q_i (reg2hw.intr_state.host_lost.q), 986 .hw2reg_intr_state_de_o (hw2reg.intr_state.host_lost.de), 987 .hw2reg_intr_state_d_o (hw2reg.intr_state.host_lost.d), 988 .intr_o (intr_host_lost_o) 989 ); 990 991 prim_intr_hw #(.Width(1)) intr_link_reset ( 992 .clk_i, 993 .rst_ni, // not stubbed off so that the interrupt regs still work. 994 .event_intr_i (event_link_reset), 995 .reg2hw_intr_enable_q_i (reg2hw.intr_enable.link_reset.q), 996 .reg2hw_intr_test_q_i (reg2hw.intr_test.link_reset.q), 997 .reg2hw_intr_test_qe_i (reg2hw.intr_test.link_reset.qe), 998 .reg2hw_intr_state_q_i (reg2hw.intr_state.link_reset.q), 999 .hw2reg_intr_state_de_o (hw2reg.intr_state.link_reset.de), 1000 .hw2reg_intr_state_d_o (hw2reg.intr_state.link_reset.d), 1001 .intr_o (intr_link_reset_o) 1002 ); 1003 1004 prim_intr_hw #(.Width(1)) intr_link_suspend ( 1005 .clk_i, 1006 .rst_ni, // not stubbed off so that the interrupt regs still work. 1007 .event_intr_i (event_link_suspend), 1008 .reg2hw_intr_enable_q_i (reg2hw.intr_enable.link_suspend.q), 1009 .reg2hw_intr_test_q_i (reg2hw.intr_test.link_suspend.q), 1010 .reg2hw_intr_test_qe_i (reg2hw.intr_test.link_suspend.qe), 1011 .reg2hw_intr_state_q_i (reg2hw.intr_state.link_suspend.q), 1012 .hw2reg_intr_state_de_o (hw2reg.intr_state.link_suspend.de), 1013 .hw2reg_intr_state_d_o (hw2reg.intr_state.link_suspend.d), 1014 .intr_o (intr_link_suspend_o) 1015 ); 1016 1017 prim_intr_hw #(.Width(1)) intr_link_resume ( 1018 .clk_i, 1019 .rst_ni, // not stubbed off so that the interrupt regs still work. 1020 .event_intr_i (event_link_resume), 1021 .reg2hw_intr_enable_q_i (reg2hw.intr_enable.link_resume.q), 1022 .reg2hw_intr_test_q_i (reg2hw.intr_test.link_resume.q), 1023 .reg2hw_intr_test_qe_i (reg2hw.intr_test.link_resume.qe), 1024 .reg2hw_intr_state_q_i (reg2hw.intr_state.link_resume.q), 1025 .hw2reg_intr_state_de_o (hw2reg.intr_state.link_resume.de), 1026 .hw2reg_intr_state_d_o (hw2reg.intr_state.link_resume.d), 1027 .intr_o (intr_link_resume_o) 1028 ); 1029 1030 prim_intr_hw #(.Width(1), .IntrT("Status")) intr_av_out_empty ( 1031 .clk_i, 1032 .rst_ni, // not stubbed off so that the interrupt regs still work. 1033 .event_intr_i (event_av_out_empty), 1034 .reg2hw_intr_enable_q_i (reg2hw.intr_enable.av_out_empty.q), 1035 .reg2hw_intr_test_q_i (reg2hw.intr_test.av_out_empty.q), 1036 .reg2hw_intr_test_qe_i (reg2hw.intr_test.av_out_empty.qe), 1037 .reg2hw_intr_state_q_i (reg2hw.intr_state.av_out_empty.q), 1038 .hw2reg_intr_state_de_o (hw2reg.intr_state.av_out_empty.de), 1039 .hw2reg_intr_state_d_o (hw2reg.intr_state.av_out_empty.d), 1040 .intr_o (intr_av_out_empty_o) 1041 ); 1042 1043 prim_intr_hw #(.Width(1), .IntrT("Status")) intr_rx_full ( 1044 .clk_i, 1045 .rst_ni, // not stubbed off so that the interrupt regs still work. 1046 .event_intr_i (event_rx_full), 1047 .reg2hw_intr_enable_q_i (reg2hw.intr_enable.rx_full.q), 1048 .reg2hw_intr_test_q_i (reg2hw.intr_test.rx_full.q), 1049 .reg2hw_intr_test_qe_i (reg2hw.intr_test.rx_full.qe), 1050 .reg2hw_intr_state_q_i (reg2hw.intr_state.rx_full.q), 1051 .hw2reg_intr_state_de_o (hw2reg.intr_state.rx_full.de), 1052 .hw2reg_intr_state_d_o (hw2reg.intr_state.rx_full.d), 1053 .intr_o (intr_rx_full_o) 1054 ); 1055 1056 prim_intr_hw #(.Width(1)) intr_av_overflow ( 1057 .clk_i, 1058 .rst_ni, // not stubbed off so that the interrupt regs still work. 1059 .event_intr_i (event_av_overflow), 1060 .reg2hw_intr_enable_q_i (reg2hw.intr_enable.av_overflow.q), 1061 .reg2hw_intr_test_q_i (reg2hw.intr_test.av_overflow.q), 1062 .reg2hw_intr_test_qe_i (reg2hw.intr_test.av_overflow.qe), 1063 .reg2hw_intr_state_q_i (reg2hw.intr_state.av_overflow.q), 1064 .hw2reg_intr_state_de_o (hw2reg.intr_state.av_overflow.de), 1065 .hw2reg_intr_state_d_o (hw2reg.intr_state.av_overflow.d), 1066 .intr_o (intr_av_overflow_o) 1067 ); 1068 1069 prim_intr_hw #(.Width(1)) intr_link_in_err ( 1070 .clk_i, 1071 .rst_ni, // not stubbed off so that the interrupt regs still work. 1072 .event_intr_i (event_in_err), 1073 .reg2hw_intr_enable_q_i (reg2hw.intr_enable.link_in_err.q), 1074 .reg2hw_intr_test_q_i (reg2hw.intr_test.link_in_err.q), 1075 .reg2hw_intr_test_qe_i (reg2hw.intr_test.link_in_err.qe), 1076 .reg2hw_intr_state_q_i (reg2hw.intr_state.link_in_err.q), 1077 .hw2reg_intr_state_de_o (hw2reg.intr_state.link_in_err.de), 1078 .hw2reg_intr_state_d_o (hw2reg.intr_state.link_in_err.d), 1079 .intr_o (intr_link_in_err_o) 1080 ); 1081 1082 prim_intr_hw #(.Width(1)) intr_link_out_err ( 1083 .clk_i, 1084 .rst_ni, // not stubbed off so that the interrupt regs still work. 1085 .event_intr_i (event_out_err), 1086 .reg2hw_intr_enable_q_i (reg2hw.intr_enable.link_out_err.q), 1087 .reg2hw_intr_test_q_i (reg2hw.intr_test.link_out_err.q), 1088 .reg2hw_intr_test_qe_i (reg2hw.intr_test.link_out_err.qe), 1089 .reg2hw_intr_state_q_i (reg2hw.intr_state.link_out_err.q), 1090 .hw2reg_intr_state_de_o (hw2reg.intr_state.link_out_err.de), 1091 .hw2reg_intr_state_d_o (hw2reg.intr_state.link_out_err.d), 1092 .intr_o (intr_link_out_err_o) 1093 ); 1094 1095 prim_intr_hw #(.Width(1)) intr_rx_crc_err ( 1096 .clk_i, 1097 .rst_ni, // not stubbed off so that the interrupt regs still work. 1098 .event_intr_i (event_rx_crc_err), 1099 .reg2hw_intr_enable_q_i (reg2hw.intr_enable.rx_crc_err.q), 1100 .reg2hw_intr_test_q_i (reg2hw.intr_test.rx_crc_err.q), 1101 .reg2hw_intr_test_qe_i (reg2hw.intr_test.rx_crc_err.qe), 1102 .reg2hw_intr_state_q_i (reg2hw.intr_state.rx_crc_err.q), 1103 .hw2reg_intr_state_de_o (hw2reg.intr_state.rx_crc_err.de), 1104 .hw2reg_intr_state_d_o (hw2reg.intr_state.rx_crc_err.d), 1105 .intr_o (intr_rx_crc_err_o) 1106 ); 1107 1108 prim_intr_hw #(.Width(1)) intr_rx_pid_err ( 1109 .clk_i, 1110 .rst_ni, // not stubbed off so that the interrupt regs still work. 1111 .event_intr_i (event_rx_pid_err), 1112 .reg2hw_intr_enable_q_i (reg2hw.intr_enable.rx_pid_err.q), 1113 .reg2hw_intr_test_q_i (reg2hw.intr_test.rx_pid_err.q), 1114 .reg2hw_intr_test_qe_i (reg2hw.intr_test.rx_pid_err.qe), 1115 .reg2hw_intr_state_q_i (reg2hw.intr_state.rx_pid_err.q), 1116 .hw2reg_intr_state_de_o (hw2reg.intr_state.rx_pid_err.de), 1117 .hw2reg_intr_state_d_o (hw2reg.intr_state.rx_pid_err.d), 1118 .intr_o (intr_rx_pid_err_o) 1119 ); 1120 1121 prim_intr_hw #(.Width(1)) intr_rx_bitstuff_err ( 1122 .clk_i, 1123 .rst_ni, // not stubbed off so that the interrupt regs still work. 1124 .event_intr_i (event_rx_bitstuff_err), 1125 .reg2hw_intr_enable_q_i (reg2hw.intr_enable.rx_bitstuff_err.q), 1126 .reg2hw_intr_test_q_i (reg2hw.intr_test.rx_bitstuff_err.q), 1127 .reg2hw_intr_test_qe_i (reg2hw.intr_test.rx_bitstuff_err.qe), 1128 .reg2hw_intr_state_q_i (reg2hw.intr_state.rx_bitstuff_err.q), 1129 .hw2reg_intr_state_de_o (hw2reg.intr_state.rx_bitstuff_err.de), 1130 .hw2reg_intr_state_d_o (hw2reg.intr_state.rx_bitstuff_err.d), 1131 .intr_o (intr_rx_bitstuff_err_o) 1132 ); 1133 1134 prim_intr_hw #(.Width(1)) intr_frame ( 1135 .clk_i, 1136 .rst_ni, // not stubbed off so that the interrupt regs still work. 1137 .event_intr_i (event_frame), 1138 .reg2hw_intr_enable_q_i (reg2hw.intr_enable.frame.q), 1139 .reg2hw_intr_test_q_i (reg2hw.intr_test.frame.q), 1140 .reg2hw_intr_test_qe_i (reg2hw.intr_test.frame.qe), 1141 .reg2hw_intr_state_q_i (reg2hw.intr_state.frame.q), 1142 .hw2reg_intr_state_de_o (hw2reg.intr_state.frame.de), 1143 .hw2reg_intr_state_d_o (hw2reg.intr_state.frame.d), 1144 .intr_o (intr_frame_o) 1145 ); 1146 1147 prim_intr_hw #(.Width(1), .IntrT("Status")) intr_av_setup_empty ( 1148 .clk_i, 1149 .rst_ni, // not stubbed off so that the interrupt regs still work. 1150 .event_intr_i (event_av_setup_empty), 1151 .reg2hw_intr_enable_q_i (reg2hw.intr_enable.av_setup_empty.q), 1152 .reg2hw_intr_test_q_i (reg2hw.intr_test.av_setup_empty.q), 1153 .reg2hw_intr_test_qe_i (reg2hw.intr_test.av_setup_empty.qe), 1154 .reg2hw_intr_state_q_i (reg2hw.intr_state.av_setup_empty.q), 1155 .hw2reg_intr_state_de_o (hw2reg.intr_state.av_setup_empty.de), 1156 .hw2reg_intr_state_d_o (hw2reg.intr_state.av_setup_empty.d), 1157 .intr_o (intr_av_setup_empty_o) 1158 ); 1159 1160 ///////////////////////////////// 1161 // USB IO Muxing // 1162 ///////////////////////////////// 1163 logic cio_usb_oe; 1164 logic usb_rx_enable; 1165 1/1 assign cio_usb_dp_en_o = cio_usb_oe; Tests: T1 T2 T3  1166 1/1 assign cio_usb_dn_en_o = cio_usb_oe; Tests: T1 T2 T3  1167 1/1 assign usb_tx_use_d_se0_o = reg2hw.phy_config.tx_use_d_se0.q; // cdc ok: quasi-static Tests: T1 T2 T3  1168 1/1 assign hw2reg.usbstat.sense.d = usb_pwr_sense; Tests: T1 T2 T3  1169 1170 usbdev_iomux i_usbdev_iomux ( 1171 .clk_i, 1172 .rst_ni (rst_n), 1173 1174 // Register interface 1175 .hw2reg_sense_o (hw2reg.phy_pins_sense), 1176 .reg2hw_drive_i (reg2hw.phy_pins_drive), 1177 1178 // Chip IO 1179 .usb_rx_d_i (usb_rx_d_i), 1180 .usb_rx_dp_i (cio_usb_dp_i), 1181 .usb_rx_dn_i (cio_usb_dn_i), 1182 .cio_usb_sense_i (cio_sense_i), 1183 .usb_tx_d_o (usb_tx_d_o), 1184 .usb_tx_se0_o (usb_tx_se0_o), 1185 .usb_tx_dp_o (cio_usb_dp_o), 1186 .usb_tx_dn_o (cio_usb_dn_o), 1187 .usb_tx_oe_o (cio_usb_oe), 1188 .usb_dp_pullup_en_o (usb_dp_pullup_o), 1189 .usb_dn_pullup_en_o (usb_dn_pullup_o), 1190 .usb_rx_enable_o (usb_rx_enable_o), 1191 1192 // Internal interface 1193 .usb_rx_d_o (usb_rx_d), 1194 .usb_rx_dp_o (usb_rx_dp), 1195 .usb_rx_dn_o (usb_rx_dn), 1196 .usb_tx_d_i (usb_tx_d), 1197 .usb_tx_se0_i (usb_tx_se0), 1198 .usb_tx_dp_i (usb_tx_dp), 1199 .usb_tx_dn_i (usb_tx_dn), 1200 .usb_tx_oe_i (usb_tx_oe), 1201 .usb_pwr_sense_o (usb_pwr_sense), 1202 .usb_dp_pullup_en_i (usb_dp_pullup_en), 1203 .usb_dn_pullup_en_i (usb_dn_pullup_en), 1204 .usb_rx_enable_i (usb_rx_enable) 1205 ); 1206 1207 // Differential receiver enable 1208 1/1 assign use_diff_rcvr = reg2hw.phy_config.use_diff_rcvr.q; Tests: T1 T2 T3  1209 // enable rx only when the single-ended input is enabled and the device is 1210 // not suspended (unless it is forced on in the I/O mux). 1211 1/1 assign usb_rx_enable = use_diff_rcvr & ~link_suspend; Tests: T1 T2 T3  1212 1213 // Symbols from the differential receiver are invalid until it has finished 1214 // waking up / powering on 1215 // Add 1 to the specified time to account for uncertainty in the 1216 // free-running counter for us_tick. 1217 localparam int RcvrWakeTimeWidth = vbits(RcvrWakeTimeUs + 2); 1218 logic [RcvrWakeTimeWidth-1:0] usb_rcvr_ok_counter_d, usb_rcvr_ok_counter_q; 1219 1220 1/1 assign usb_diff_rx_ok = (usb_rcvr_ok_counter_q == '0); Tests: T1 T2 T3  1221 always_comb begin 1222 // When don't need to use a differential receiver, RX is always ready 1223 1/1 usb_rcvr_ok_counter_d = '0; Tests: T1 T2 T3  1224 1/1 if (use_diff_rcvr & !usb_rx_enable_o) begin Tests: T1 T2 T3  1225 1/1 usb_rcvr_ok_counter_d = RcvrWakeTimeWidth'(RcvrWakeTimeUs + 1); Tests: T7 T21 T8  1226 1/1 end else if (us_tick && (usb_rcvr_ok_counter_q > '0)) begin Tests: T1 T2 T3  1227 1/1 usb_rcvr_ok_counter_d = usb_rcvr_ok_counter_q - 1; Tests: T14 T213 T214  1228 end MISSING_ELSE 1229 end 1230 1231 always_ff @(posedge clk_i or negedge rst_n) begin 1232 1/1 if (!rst_n) begin Tests: T1 T2 T3  1233 1/1 usb_rcvr_ok_counter_q <= RcvrWakeTimeWidth'(RcvrWakeTimeUs + 1); Tests: T1 T2 T3  1234 end else begin 1235 1/1 usb_rcvr_ok_counter_q <= usb_rcvr_ok_counter_d; Tests: T1 T2 T3  1236 end 1237 end 1238 1239 ///////////////////////////////////////// 1240 // SOF Reference for Clock Calibration // 1241 ///////////////////////////////////////// 1242 1243 logic usb_ref_val_d, usb_ref_val_q; 1244 logic usb_ref_disable; 1245 1/1 assign usb_ref_disable = reg2hw.phy_config.usb_ref_disable.q; Tests: T1 T2 T3  1246 1247 // Directly forward the pulse unless disabled. 1248 1/1 assign usb_ref_pulse_o = usb_ref_disable ? 1'b0 : event_sof; Tests: T1 T2 T3  1249 1250 // The first pulse is always ignored, but causes the valid to be asserted. 1251 // The valid signal is deasserted when: 1252 // - The link is no longer active. 1253 // - The host is lost (no SOF for 4ms). 1254 // - The reference generation is disabled. 1255 1/1 assign usb_ref_val_d = usb_ref_pulse_o ? 1'b1 : Tests: T1 T2 T3  1256 (!link_active || host_lost || usb_ref_disable) ? 1'b0 : usb_ref_val_q; 1257 1258 always_ff @(posedge clk_i or negedge rst_n) begin 1259 1/1 if (!rst_n) begin Tests: T1 T2 T3  1260 1/1 usb_ref_val_q <= 1'b0; Tests: T1 T2 T3  1261 end else begin 1262 1/1 usb_ref_val_q <= usb_ref_val_d; Tests: T1 T2 T3  1263 end 1264 end 1265 1266 1/1 assign usb_ref_val_o = usb_ref_val_q; Tests: T1 T2 T3  1267 1268 ///////////////////////////////////////// 1269 // USB aon detector signaling // 1270 ///////////////////////////////////////// 1271 1/1 assign usb_aon_suspend_req_o = reg2hw.wake_control.suspend_req.qe & Tests: T1 T2 T3  1272 reg2hw.wake_control.suspend_req.q; 1273 1/1 assign usb_aon_wake_ack_o = reg2hw.wake_control.wake_ack.qe & Tests: T1 T2 T3  1274 reg2hw.wake_control.wake_ack.q; 1275 1276 ///////////////////////////////////////// 1277 // capture async event and debug info // 1278 ///////////////////////////////////////// 1279 1280 assign hw2reg.wake_events.module_active.de = 1'b1; 1281 1/1 assign hw2reg.wake_events.module_active.d = usb_aon_wake_detect_active_i; Tests: T7 T8 T9  1282 assign hw2reg.wake_events.bus_not_idle.de = 1'b1; 1283 1/1 assign hw2reg.wake_events.bus_not_idle.d = usb_aon_bus_not_idle_i; Tests: T8 T9 T11  1284 assign hw2reg.wake_events.disconnected.de = 1'b1; 1285 1/1 assign hw2reg.wake_events.disconnected.d = usb_aon_sense_lost_i; Tests: T7 T10 T13  1286 assign hw2reg.wake_events.bus_reset.de = 1'b1; 1287 1/1 assign hw2reg.wake_events.bus_reset.d = usb_aon_bus_reset_i; Tests: T8 T11 T14  1288 1289 ///////////////////////////////////// 1290 // Diagnostic/performance counters // 1291 ///////////////////////////////////// 1292 1293 // SW write strobes for the event enables of the counters. 1294 logic ctr_out_ev_qe; 1295 logic ctr_in_ev_qe; 1296 logic ctr_errors_ev_qe; 1297 0/1 ==> assign ctr_out_ev_qe = &{reg2hw.count_out.ign_avsetup.qe, 1298 reg2hw.count_out.drop_avout.qe, 1299 reg2hw.count_out.drop_rx.qe, 1300 reg2hw.count_out.datatog_out.qe}; 1301 0/1 ==> assign ctr_in_ev_qe = &{reg2hw.count_in.timeout.qe, 1302 reg2hw.count_in.nak.qe, 1303 reg2hw.count_in.nodata.qe}; 1304 0/1 ==> assign ctr_errors_ev_qe = &{reg2hw.count_errors.crc5.qe,

Cond Coverage for Module : usbdev
TotalCoveredPercent
Conditions13411686.57
Logical13411686.57
Non-Logical00
Event00

 LINE       167
 EXPRESSION (event_rx_crc5_err | event_rx_crc16_err)
             --------1--------   ---------2--------
-1--2-StatusTests
00CoveredT1,T2,T3
01CoveredT3,T37,T38
10CoveredT79,T83,T85

 LINE       220
 EXPRESSION (ns_cnt == 6'd47)
            --------1--------
-1-StatusTests
0CoveredT1,T2,T3
1CoveredT1,T2,T3

 LINE       257
 EXPRESSION (reg2hw.fifo_ctrl.avsetup_rst.qe & reg2hw.fifo_ctrl.avsetup_rst.q)
             ---------------1---------------   ---------------2--------------
-1--2-StatusTests
01CoveredT43,T44,T45
10CoveredT30,T44,T215
11CoveredT43,T44,T45

 LINE       258
 EXPRESSION (reg2hw.fifo_ctrl.avout_rst.qe & reg2hw.fifo_ctrl.avout_rst.q)
             --------------1--------------   --------------2-------------
-1--2-StatusTests
01CoveredT30,T43,T44
10CoveredT44,T215,T216
11CoveredT30,T43,T44

 LINE       259
 EXPRESSION (reg2hw.fifo_ctrl.rx_rst.qe & reg2hw.fifo_ctrl.rx_rst.q)
             -------------1------------   ------------2------------
-1--2-StatusTests
01CoveredT43,T45,T37
10CoveredT30,T44,T215
11CoveredT43,T45,T37

 LINE       263
 EXPRESSION (connect_en & ((~avsetup_rvalid)))
             -----1----   ---------2---------
-1--2-StatusTests
01CoveredT1,T2,T3
10CoveredT43,T44,T45
11CoveredT1,T2,T3

 LINE       264
 EXPRESSION (connect_en & ((~avout_rvalid)))
             -----1----   --------2--------
-1--2-StatusTests
01CoveredT1,T2,T3
10CoveredT1,T2,T3
11CoveredT1,T2,T3

 LINE       266
 EXPRESSION ((reg2hw.avsetupbuffer.qe & ((~avsetup_fifo_wready))) | (reg2hw.avoutbuffer.qe & ((~avout_fifo_wready))))
             --------------------------1-------------------------   ------------------------2-----------------------
-1--2-StatusTests
00CoveredT1,T2,T3
01CoveredT66,T23,T67
10Not Covered

 LINE       266
 SUB-EXPRESSION (reg2hw.avsetupbuffer.qe & ((~avsetup_fifo_wready)))
                 -----------1-----------   ------------2-----------
-1--2-StatusTests
01CoveredT1,T2,T3
10CoveredT43,T44,T45
11Not Covered

 LINE       266
 SUB-EXPRESSION (reg2hw.avoutbuffer.qe & ((~avout_fifo_wready)))
                 ----------1----------   -----------2----------
-1--2-StatusTests
01CoveredT1,T2,T3
10CoveredT1,T2,T3
11CoveredT66,T23,T67

 LINE       268
 EXPRESSION (connect_en & ((~rx_fifo_rvalid)))
             -----1----   ---------2---------
-1--2-StatusTests
01CoveredT1,T2,T3
10CoveredT1,T2,T30
11CoveredT1,T2,T3

 LINE       316
 EXPRESSION (reg2hw.rxfifo.ep.re | reg2hw.rxfifo.setup.re | reg2hw.rxfifo.size.re | reg2hw.rxfifo.buffer.re)
             ---------1---------   -----------2----------   ----------3----------   -----------4-----------
-1--2--3--4-StatusTests
0000CoveredT1,T2,T3
0001Not Covered
0010Not Covered
0100Not Covered
1000Not Covered

 LINE       327
 EXPRESSION (rx_wready & (rx_depth < 4'((RXFifoDepth - 1))))
             ----1----   -----------------2----------------
-1--2-StatusTests
01CoveredT1,T2,T3
10CoveredT37,T38,T75
11CoveredT1,T2,T3

 LINE       442
 EXPRESSION (in_xact_starting ? in_buf[in_xact_start_ep] : in_buf_q)
             --------1-------
-1-StatusTests
0CoveredT1,T2,T3
1CoveredT2,T29,T30

 LINE       443
 EXPRESSION (in_xact_starting ? in_size[in_xact_start_ep] : in_size_q)
             --------1-------
-1-StatusTests
0CoveredT1,T2,T3
1CoveredT2,T29,T30

 LINE       447
 EXPRESSION (reg2hw.out_data_toggle.status.qe & reg2hw.out_data_toggle.mask.qe)
             ----------------1---------------   ---------------2--------------
-1--2-StatusTests
01Not Covered
10Not Covered
11CoveredT29,T30,T37

 LINE       456
 EXPRESSION (reg2hw.in_data_toggle.status.qe & reg2hw.in_data_toggle.mask.qe)
             ---------------1---------------   --------------2--------------
-1--2-StatusTests
01Not Covered
10Not Covered
11CoveredT29,T30,T113

 LINE       465
 EXPRESSION (in_ep_xact_end && in_endpoint_val)
             -------1------    -------2-------
-1--2-StatusTests
01CoveredT1,T2,T3
10Unreachable
11CoveredT2,T29,T30

 LINE       493
 EXPRESSION (rx_wvalid && out_endpoint_val)
             ----1----    --------2-------
-1--2-StatusTests
01CoveredT1,T2,T3
10Unreachable
11CoveredT1,T2,T30

 LINE       512
 EXPRESSION (setup_received & out_endpoint_val)
             -------1------   --------2-------
-1--2-StatusTests
01CoveredT1,T2,T3
10Unreachable
11CoveredT91,T53,T54

 LINE       516
 EXPRESSION (in_ep_xact_end & in_endpoint_val)
             -------1------   -------2-------
-1--2-StatusTests
01CoveredT1,T2,T3
10Unreachable
11CoveredT2,T29,T30

 LINE       542
 EXPRESSION (reg2hw.configin[i].rdy.q | reg2hw.configin[i].pend.q)
             ------------1-----------   ------------2------------
-1--2-StatusTests
00CoveredT1,T2,T3
01CoveredT91,T17,T189
10CoveredT2,T29,T30

 LINE       550
 EXPRESSION (set_sending[i] | set_sentbit[i] | update_pend[i])
             -------1------   -------2------   -------3------
-1--2--3-StatusTests
000CoveredT1,T2,T3
001CoveredT1,T2,T3
010CoveredT2,T29,T30
100CoveredT2,T29,T30

 LINE       551
 EXPRESSION (((~set_sentbit[i])) & ((~update_pend[i])))
             ---------1---------   ---------2---------
-1--2-StatusTests
01CoveredT2,T29,T30
10CoveredT1,T2,T3
11CoveredT1,T2,T3

 LINE       560
 EXPRESSION (cfg_pinflip ? 1'b0 : usb_pullup_en)
             -----1-----
-1-StatusTests
0CoveredT1,T2,T3
1CoveredT54,T9,T10

 LINE       561
 EXPRESSION (((!cfg_pinflip)) ? 1'b0 : usb_pullup_en)
             --------1-------
-1-StatusTests
0CoveredT54,T9,T10
1CoveredT1,T2,T3

 LINE       688
 EXPRESSION (reg2hw.usbctrl.resume_link_active.qe & reg2hw.usbctrl.resume_link_active.q)
             ------------------1-----------------   -----------------2-----------------
-1--2-StatusTests
01CoveredT99,T100,T101
10CoveredT1,T2,T3
11CoveredT99,T100,T101

 LINE       800
 EXPRESSION (usb_mem_b_req | sw_mem_a_req)
             ------1------   ------2-----
-1--2-StatusTests
00CoveredT1,T2,T3
01CoveredT2,T30,T43
10CoveredT1,T2,T29

 LINE       801
 EXPRESSION (usb_mem_b_req ? usb_mem_b_write : sw_mem_a_write)
             ------1------
-1-StatusTests
0CoveredT1,T2,T3
1CoveredT1,T2,T29

 LINE       802
 EXPRESSION (usb_mem_b_req ? usb_mem_b_addr : sw_mem_a_addr)
             ------1------
-1-StatusTests
0CoveredT1,T2,T3
1CoveredT1,T2,T29

 LINE       803
 EXPRESSION (usb_mem_b_req ? usb_mem_b_wdata : sw_mem_a_wdata)
             ------1------
-1-StatusTests
0CoveredT1,T2,T3
1CoveredT1,T2,T29

 LINE       826
 EXPRESSION (usb_mem_b_req & ((!usb_mem_b_write)))
             ------1------   ----------2---------
-1--2-StatusTests
01CoveredT1,T2,T3
10CoveredT1,T2,T30
11CoveredT2,T29,T30

 LINE       834
 EXPRESSION (gen_no_stubbed_memory.mem_rvalid & ((!gen_no_stubbed_memory.mem_rsteering)))
             ----------------1---------------   --------------------2-------------------
-1--2-StatusTests
01CoveredT1,T2,T3
10CoveredT2,T29,T30
11CoveredT2,T30,T31

 LINE       839
 EXPRESSION (gen_no_stubbed_memory.mem_b_read_q ? gen_no_stubbed_memory.mem_rdata : gen_no_stubbed_memory.mem_b_rdata_q)
             -----------------1----------------
-1-StatusTests
0CoveredT1,T2,T3
1CoveredT2,T29,T30

 LINE       902
 SUB-EXPRESSION (reg2hw.alert_test.q & reg2hw.alert_test.qe)
                 ---------1---------   ----------2---------
-1--2-StatusTests
01CoveredT217,T218,T219
10CoveredT1,T2,T3
11CoveredT217,T218,T219

 LINE       1211
 EXPRESSION (use_diff_rcvr & ((~link_suspend)))
             ------1------   --------2--------
-1--2-StatusTests
01CoveredT1,T2,T3
10CoveredT7,T21,T8
11CoveredT1,T2,T3

 LINE       1220
 EXPRESSION (usb_rcvr_ok_counter_q == '0)
            --------------1--------------
-1-StatusTests
0CoveredT1,T2,T3
1CoveredT1,T2,T3

 LINE       1224
 EXPRESSION (use_diff_rcvr & ((!usb_rx_enable_o)))
             ------1------   ----------2---------
-1--2-StatusTests
01CoveredT1,T2,T3
10CoveredT1,T2,T3
11CoveredT7,T21,T8

 LINE       1226
 EXPRESSION (us_tick && (usb_rcvr_ok_counter_q > '0))
             ---1---    --------------2-------------
-1--2-StatusTests
01CoveredT1,T2,T3
10CoveredT1,T2,T3
11CoveredT14,T213,T214

 LINE       1248
 EXPRESSION (usb_ref_disable ? 1'b0 : event_sof)
             -------1-------
-1-StatusTests
0CoveredT1,T2,T3
1CoveredT65,T220,T221

 LINE       1255
 EXPRESSION (usb_ref_pulse_o ? 1'b1 : ((((!link_active)) || host_lost || usb_ref_disable) ? 1'b0 : usb_ref_val_q))
             -------1-------
-1-StatusTests
0CoveredT1,T2,T3
1CoveredT42,T65,T7

 LINE       1255
 SUB-EXPRESSION ((((!link_active)) || host_lost || usb_ref_disable) ? 1'b0 : usb_ref_val_q)
                 -------------------------1------------------------
-1-StatusTests
0CoveredT1,T2,T3
1CoveredT1,T2,T3

 LINE       1255
 SUB-EXPRESSION (((!link_active)) || host_lost || usb_ref_disable)
                 --------1-------    ----2----    -------3-------
-1--2--3-StatusTests
000CoveredT1,T2,T3
001CoveredT65,T220,T221
010CoveredT22,T70,T71
100CoveredT1,T2,T3

 LINE       1271
 EXPRESSION (reg2hw.wake_control.suspend_req.qe & reg2hw.wake_control.suspend_req.q)
             -----------------1----------------   ----------------2----------------
-1--2-StatusTests
01CoveredT7,T8,T9
10CoveredT7,T8,T9
11CoveredT7,T8,T9

 LINE       1273
 EXPRESSION (reg2hw.wake_control.wake_ack.qe & reg2hw.wake_control.wake_ack.q)
             ---------------1---------------   ---------------2--------------
-1--2-StatusTests
01CoveredT7,T8,T9
10CoveredT7,T8,T9
11CoveredT7,T8,T9

 LINE       1310
 EXPRESSION (reg2hw.count_out.rst.qe & reg2hw.count_out.rst.q)
             -----------1-----------   -----------2----------
-1--2-StatusTests
01CoveredT1,T2,T3
10Not Covered
11Not Covered

 LINE       1336
 EXPRESSION (reg2hw.count_in.rst.qe & reg2hw.count_in.rst.q)
             -----------1----------   ----------2----------
-1--2-StatusTests
01CoveredT1,T2,T3
10Not Covered
11Not Covered

 LINE       1359
 EXPRESSION (reg2hw.count_nodata_in.rst.qe & reg2hw.count_nodata_in.rst.q)
             --------------1--------------   --------------2-------------
-1--2-StatusTests
01CoveredT1,T2,T3
10Not Covered
11Not Covered

 LINE       1376
 EXPRESSION (reg2hw.count_errors.rst.qe & reg2hw.count_errors.rst.q)
             -------------1------------   ------------2------------
-1--2-StatusTests
01CoveredT1,T2,T3
10Not Covered
11Not Covered

Toggle Coverage for Module : usbdev
TotalCoveredPercent
Totals 74 68 91.89
Total Bits 440 416 94.55
Total Bits 0->1 220 208 94.55
Total Bits 1->0 220 208 94.55

Ports 74 68 91.89
Port Bits 440 416 94.55
Port Bits 0->1 220 208 94.55
Port Bits 1->0 220 208 94.55

Port Details
NameToggleToggle 1->0TestsToggle 0->1TestsDirection
clk_i Yes Yes T1,T2,T3 Yes T1,T2,T3 INPUT
rst_ni Yes Yes T24,T106,T222 Yes T1,T2,T3 INPUT
clk_aon_i Yes Yes T1,T2,T3 Yes T1,T2,T3 INPUT
rst_aon_ni Yes Yes T24,T106,T222 Yes T1,T2,T3 INPUT
tl_i.d_ready Yes Yes T1,T42,T31 Yes T1,T2,T3 INPUT
tl_i.a_user.data_intg[6:0] Yes Yes T1,T2,T3 Yes T1,T2,T3 INPUT
tl_i.a_user.cmd_intg[6:0] Yes Yes T1,T2,T3 Yes T1,T2,T3 INPUT
tl_i.a_user.instr_type[3:0] Yes Yes T3,T32,T66 Yes T3,T32,T66 INPUT
tl_i.a_user.rsvd[4:0] Unreachable Unreachable Unreachable INPUT
tl_i.a_data[31:0] Yes Yes T1,T2,T3 Yes T1,T2,T3 INPUT
tl_i.a_mask[3:0] Yes Yes T1,T3,T41 Yes T1,T3,T41 INPUT
tl_i.a_address[31:0] Yes Yes T3,T41,T30 Yes T3,T41,T42 INPUT
tl_i.a_source[7:0] Yes Yes T1,T2,T3 Yes T1,T2,T3 INPUT
tl_i.a_size[1:0] Yes Yes T1,T2,T3 Yes T1,T2,T3 INPUT
tl_i.a_param[2:0] Unreachable Unreachable Unreachable INPUT
tl_i.a_opcode[2:0] Yes Yes T1,T2,T3 Yes T1,T2,T3 INPUT
tl_i.a_valid Yes Yes T1,T2,T3 Yes T1,T2,T3 INPUT
tl_o.a_ready Yes Yes T1,T2,T3 Yes T1,T2,T3 OUTPUT
tl_o.d_error Yes Yes T223,T224,T225 Yes T223,T224,T225 OUTPUT
tl_o.d_user.data_intg[6:0] Yes Yes T1,T2,T3 Yes T1,T2,T3 OUTPUT
tl_o.d_user.rsp_intg[5:0] Yes Yes *T1,*T2,*T3 Yes T1,T2,T29 OUTPUT
tl_o.d_user.rsp_intg[6] Unreachable Unreachable Unreachable OUTPUT
tl_o.d_data[31:0] Yes Yes T1,T2,T3 Yes T1,T2,T41 OUTPUT
tl_o.d_sink Unreachable Unreachable Unreachable OUTPUT
tl_o.d_source[7:0] Yes Yes T1,T2,T3 Yes T1,T2,T3 OUTPUT
tl_o.d_size[1:0] Yes Yes T1,T2,T3 Yes T1,T2,T3 OUTPUT
tl_o.d_param[2:0] Unreachable Unreachable Unreachable OUTPUT
tl_o.d_opcode[0] Yes Yes *T1,*T2,*T3 Yes T1,T2,T3 OUTPUT
tl_o.d_opcode[2:1] Unreachable Unreachable Unreachable OUTPUT
tl_o.d_valid Yes Yes T1,T2,T3 Yes T1,T2,T3 OUTPUT
alert_rx_i[0].ack_n Yes Yes T1,T2,T3 Yes T1,T2,T3 INPUT
alert_rx_i[0].ack_p Yes Yes T24,T217,T218 Yes T24,T217,T218 INPUT
alert_rx_i[0].ping_n Unreachable Unreachable Unreachable INPUT
alert_rx_i[0].ping_p Unreachable Unreachable Unreachable INPUT
alert_tx_o[0].alert_n Yes Yes T1,T2,T3 Yes T1,T2,T3 OUTPUT
alert_tx_o[0].alert_p Yes Yes T24,T217,T218 Yes T24,T217,T218 OUTPUT
cio_usb_dp_i Yes Yes T1,T2,T3 Yes T1,T2,T3 INPUT
cio_usb_dn_i Yes Yes T1,T2,T3 Yes T1,T2,T3 INPUT
usb_rx_d_i Yes Yes T1,T2,T3 Yes T1,T2,T3 INPUT
cio_usb_dp_o Yes Yes T1,T2,T29 Yes T1,T2,T29 OUTPUT
cio_usb_dp_en_o Yes Yes T1,T2,T29 Yes T1,T2,T29 OUTPUT
cio_usb_dn_o Yes Yes T1,T2,T29 Yes T1,T2,T29 OUTPUT
cio_usb_dn_en_o Yes Yes T1,T2,T29 Yes T1,T2,T29 OUTPUT
usb_tx_se0_o Yes Yes T1,T2,T29 Yes T1,T2,T29 OUTPUT
usb_tx_d_o Yes Yes T1,T2,T29 Yes T1,T2,T29 OUTPUT
cio_sense_i Yes Yes T42,T7,T21 Yes T1,T2,T3 INPUT
usb_dp_pullup_o Yes Yes T42,T7,T21 Yes T1,T2,T3 OUTPUT
usb_dn_pullup_o Yes Yes T9,T10,T14 Yes T54,T9,T10 OUTPUT
usb_rx_enable_o Yes Yes T7,T21,T106 Yes T1,T2,T3 OUTPUT
usb_tx_use_d_se0_o Yes Yes T222,T226,T227 Yes T93,T222,T173 OUTPUT
usb_aon_suspend_req_o Yes Yes T7,T8,T9 Yes T7,T8,T9 OUTPUT
usb_aon_wake_ack_o Yes Yes T7,T8,T9 Yes T7,T8,T9 OUTPUT
usb_aon_bus_reset_i Yes Yes T8,T11,T14 Yes T8,T11,T14 INPUT
usb_aon_sense_lost_i Yes Yes T7,T10,T13 Yes T7,T10,T13 INPUT
usb_aon_bus_not_idle_i Yes Yes T8,T9,T11 Yes T8,T9,T11 INPUT
usb_aon_wake_detect_active_i Yes Yes T7,T8,T9 Yes T7,T8,T9 INPUT
usb_ref_val_o Yes Yes T42,T65,T7 Yes T42,T65,T7 OUTPUT
usb_ref_pulse_o Yes Yes T42,T65,T7 Yes T42,T65,T7 OUTPUT
ram_cfg_i.rf_cfg.cfg[3:0] No No No INPUT
ram_cfg_i.rf_cfg.cfg_en No No No INPUT
ram_cfg_i.rf_cfg.test No No No INPUT
ram_cfg_i.ram_cfg.cfg[3:0] No No No INPUT
ram_cfg_i.ram_cfg.cfg_en No No No INPUT
ram_cfg_i.ram_cfg.test No No No INPUT
intr_pkt_received_o Yes Yes T53,T54,T55 Yes T53,T54,T55 OUTPUT
intr_pkt_sent_o Yes Yes T2,T31,T33 Yes T2,T31,T33 OUTPUT
intr_powered_o Yes Yes T228,T229,T230 Yes T228,T229,T230 OUTPUT
intr_disconnected_o Yes Yes T42,T68,T69 Yes T42,T68,T69 OUTPUT
intr_host_lost_o Yes Yes T22,T228,T231 Yes T22,T228,T231 OUTPUT
intr_link_reset_o Yes Yes T52,T228,T232 Yes T52,T228,T232 OUTPUT
intr_link_suspend_o Yes Yes T228,T229,T232 Yes T228,T229,T232 OUTPUT
intr_link_resume_o Yes Yes T72,T73,T74 Yes T72,T73,T74 OUTPUT
intr_av_out_empty_o Yes Yes T1,T56,T57 Yes T1,T56,T57 OUTPUT
intr_rx_full_o Yes Yes T58,T61,T63 Yes T58,T61,T63 OUTPUT
intr_av_overflow_o Yes Yes T66,T23,T67 Yes T66,T23,T67 OUTPUT
intr_link_in_err_o Yes Yes T229,T232,T231 Yes T229,T232,T231 OUTPUT
intr_link_out_err_o Yes Yes T37,T38,T75 Yes T37,T38,T75 OUTPUT
intr_rx_crc_err_o Yes Yes T78,T79,T80 Yes T78,T79,T80 OUTPUT
intr_rx_pid_err_o Yes Yes T81,T82,T84 Yes T81,T82,T84 OUTPUT
intr_rx_bitstuff_err_o Yes Yes T3,T87,T88 Yes T3,T87,T88 OUTPUT
intr_frame_o Yes Yes T228,T231,T230 Yes T228,T231,T230 OUTPUT
intr_av_setup_empty_o Yes Yes T64,T228,T229 Yes T64,T228,T229 OUTPUT

*Tests covering at least one bit in the range

Branch Coverage for Module : usbdev
Line No.TotalCoveredPercent
Branches 48 48 100.00
TERNARY 442 2 2 100.00
TERNARY 443 2 2 100.00
TERNARY 560 2 2 100.00
TERNARY 561 2 2 100.00
TERNARY 1248 2 2 100.00
TERNARY 1255 3 3 100.00
TERNARY 801 2 2 100.00
TERNARY 802 2 2 100.00
TERNARY 803 2 2 100.00
TERNARY 839 2 2 100.00
IF 222 3 3 100.00
IF 434 2 2 100.00
IF 465 2 2 100.00
IF 493 2 2 100.00
IF 508 4 4 100.00
IF 526 2 2 100.00
IF 718 2 2 100.00
IF 1224 3 3 100.00
IF 1232 2 2 100.00
IF 1259 2 2 100.00
IF 820 3 3 100.00


442 assign in_buf_d = in_xact_starting ? in_buf[in_xact_start_ep] : in_buf_q; -1- ==> ==>

Branches:
-1-StatusTests
1 Covered T2,T29,T30
0 Covered T1,T2,T3


443 assign in_size_d = in_xact_starting ? in_size[in_xact_start_ep] : in_size_q; -1- ==> ==>

Branches:
-1-StatusTests
1 Covered T2,T29,T30
0 Covered T1,T2,T3


560 assign usb_dp_pullup_en = cfg_pinflip ? 1'b0 : usb_pullup_en; -1- ==> ==>

Branches:
-1-StatusTests
1 Covered T54,T9,T10
0 Covered T1,T2,T3


561 assign usb_dn_pullup_en = !cfg_pinflip ? 1'b0 : usb_pullup_en; -1- ==> ==>

Branches:
-1-StatusTests
1 Covered T1,T2,T3
0 Covered T54,T9,T10


1248 assign usb_ref_pulse_o = usb_ref_disable ? 1'b0 : event_sof; -1- ==> ==>

Branches:
-1-StatusTests
1 Covered T65,T220,T221
0 Covered T1,T2,T3


1255 assign usb_ref_val_d = usb_ref_pulse_o ? 1'b1 : -1- ==> 1256 (!link_active || host_lost || usb_ref_disable) ? 1'b0 : usb_ref_val_q; -2- ==> ==>

Branches:
-1--2-StatusTests
1 - Covered T42,T65,T7
0 1 Covered T1,T2,T3
0 0 Covered T1,T2,T3


801 assign mem_write = usb_mem_b_req ? usb_mem_b_write : sw_mem_a_write; -1- ==> ==>

Branches:
-1-StatusTests
1 Covered T1,T2,T29
0 Covered T1,T2,T3


802 assign mem_addr = usb_mem_b_req ? usb_mem_b_addr : sw_mem_a_addr; -1- ==> ==>

Branches:
-1-StatusTests
1 Covered T1,T2,T29
0 Covered T1,T2,T3


803 assign mem_wdata = usb_mem_b_req ? usb_mem_b_wdata : sw_mem_a_wdata; -1- ==> ==>

Branches:
-1-StatusTests
1 Covered T1,T2,T29
0 Covered T1,T2,T3


839 assign usb_mem_b_rdata = mem_b_read_q ? mem_rdata : mem_b_rdata_q; -1- ==> ==>

Branches:
-1-StatusTests
1 Covered T2,T29,T30
0 Covered T1,T2,T3


222 if (!rst_n) begin -1- 223 ns_cnt <= '0; ==> 224 end else begin 225 if (us_tick) begin -2- 226 ns_cnt <= '0; ==> 227 end else begin 228 ns_cnt <= ns_cnt + 1'b1; ==>

Branches:
-1--2-StatusTests
1 - Covered T1,T2,T3
0 1 Covered T1,T2,T3
0 0 Covered T1,T2,T3


434 if (!rst_n) begin -1- 435 in_buf_q <= '0; ==> 436 in_size_q <= '0; 437 end else begin 438 in_buf_q <= in_buf_d; ==>

Branches:
-1-StatusTests
1 Covered T1,T2,T3
0 Covered T1,T2,T3


465 if (in_ep_xact_end && in_endpoint_val) begin -1- 466 set_sentbit[in_endpoint] = 1'b1; ==> 467 end MISSING_ELSE ==>

Branches:
-1-StatusTests
1 Covered T2,T29,T30
0 Covered T1,T2,T3


493 if (rx_wvalid && out_endpoint_val) begin -1- 494 clear_rxenable_out[out_endpoint] = ep_set_nak_on_out[out_endpoint]; ==> 495 end MISSING_ELSE ==>

Branches:
-1-StatusTests
1 Covered T1,T2,T30
0 Covered T1,T2,T3


508 if (event_link_reset) begin -1- 509 clear_rdybit = {NEndpoints{1'b1}}; ==> 510 update_pend = {NEndpoints{1'b1}}; 511 end else begin 512 if (setup_received & out_endpoint_val) begin -2- 513 // Clear pending when a SETUP is received 514 clear_rdybit[out_endpoint] = 1'b1; ==> 515 update_pend[out_endpoint] = 1'b1; 516 end else if (in_ep_xact_end & in_endpoint_val) begin -3- 517 // Clear rdy and sending when an IN transmission was successful 518 clear_rdybit[in_endpoint] = 1'b1; ==> 519 end MISSING_ELSE ==>

Branches:
-1--2--3-StatusTests
1 - - Covered T1,T2,T3
0 1 - Covered T91,T53,T54
0 0 1 Covered T2,T29,T30
0 0 0 Covered T1,T2,T3


526 if (in_xact_starting) set_sending[in_xact_start_ep] = 1'b1; -1- ==> MISSING_ELSE ==>

Branches:
-1-StatusTests
1 Covered T2,T29,T30
0 Covered T1,T2,T3


718 if (setup_received && out_endpoint_val && out_endpoint == 4'(unsigned'(i))) begin -1- 719 hw2reg.out_stall[i].de = 1'b1; ==> 720 hw2reg.in_stall[i].de = 1'b1; 721 end else begin 722 hw2reg.out_stall[i].de = 1'b0; ==>

Branches:
-1-StatusTests
1 Covered T91,T53,T54
0 Covered T1,T2,T3


1224 if (use_diff_rcvr & !usb_rx_enable_o) begin -1- 1225 usb_rcvr_ok_counter_d = RcvrWakeTimeWidth'(RcvrWakeTimeUs + 1); ==> 1226 end else if (us_tick && (usb_rcvr_ok_counter_q > '0)) begin -2- 1227 usb_rcvr_ok_counter_d = usb_rcvr_ok_counter_q - 1; ==> 1228 end MISSING_ELSE ==>

Branches:
-1--2-StatusTests
1 - Covered T7,T21,T8
0 1 Covered T14,T213,T214
0 0 Covered T1,T2,T3


1232 if (!rst_n) begin -1- 1233 usb_rcvr_ok_counter_q <= RcvrWakeTimeWidth'(RcvrWakeTimeUs + 1); ==> 1234 end else begin 1235 usb_rcvr_ok_counter_q <= usb_rcvr_ok_counter_d; ==>

Branches:
-1-StatusTests
1 Covered T1,T2,T3
0 Covered T1,T2,T3


1259 if (!rst_n) begin -1- 1260 usb_ref_val_q <= 1'b0; ==> 1261 end else begin 1262 usb_ref_val_q <= usb_ref_val_d; ==>

Branches:
-1-StatusTests
1 Covered T1,T2,T3
0 Covered T1,T2,T3


820 if (!rst_ni) begin -1- 821 mem_rsteering <= 1'b0; ==> 822 mem_b_read_q <= 1'b0; 823 mem_b_rdata_q <= {SramDw{1'b0}}; 824 end else begin 825 mem_rsteering <= usb_mem_b_req; 826 mem_b_read_q <= usb_mem_b_req & !usb_mem_b_write; 827 // Capture the `usb` read data. 828 if (mem_b_read_q) -2- 829 mem_b_rdata_q <= mem_rdata; ==> MISSING_ELSE ==>

Branches:
-1--2-StatusTests
1 - Covered T1,T2,T3
0 1 Covered T2,T29,T30
0 0 Covered T1,T2,T3


Assert Coverage for Module : usbdev
TotalAttemptedPercentSucceeded/MatchedPercent
Assertions 35 35 100.00 35 100.00
Cover properties 0 0 0
Cover sequences 0 0 0
Total 35 35 100.00 35 100.00




Assertion Details

NameAttemptsReal SuccessesFailuresIncomplete
AlertsKnown_A 577515346 577231599 0 0
CIODnEnKnown_A 577515346 577231599 0 0
CIODnKnown_A 577515346 577231599 0 0
CIODpEnKnown_A 577515346 577231599 0 0
CIODpKnown_A 577515346 577231599 0 0
FpvSecCmRegWeOnehotCheck_A 577515346 100 0 0
TlOAReadyKnown_A 577515346 577231599 0 0
TlODValidKnown_A 577515346 577231599 0 0
USBAonSuspendReqKnown_A 577515346 577231599 0 0
USBAonWakeAckKnown_A 577515346 577231599 0 0
USBDnPUKnown_A 577515346 577231599 0 0
USBDpPUKnown_A 577515346 577231599 0 0
USBIntrAvOutEmptyKnown_A 577515346 577231599 0 0
USBIntrAvOverKnown_A 577515346 577231599 0 0
USBIntrAvSetupEmptyKnown_A 577515346 577231599 0 0
USBIntrDisConKnown_A 577515346 577231599 0 0
USBIntrFrameKnown_A 577515346 577231599 0 0
USBIntrHostLostKnown_A 577515346 577231599 0 0
USBIntrLinkInErrKnown_A 577515346 577231599 0 0
USBIntrLinkOutErrKnown_A 577515346 577231599 0 0
USBIntrLinkResKnown_A 577515346 577231599 0 0
USBIntrLinkRstKnown_A 577515346 577231599 0 0
USBIntrLinkSusKnown_A 577515346 577231599 0 0
USBIntrPktRcvdKnown_A 577515346 577231599 0 0
USBIntrPktSentKnown_A 577515346 577231599 0 0
USBIntrPwrdKnown_A 577515346 577231599 0 0
USBIntrRxBitstuffErrKnown_A 577515346 577231599 0 0
USBIntrRxCrCErrKnown_A 577515346 577231599 0 0
USBIntrRxFullKnown_A 577515346 577231599 0 0
USBIntrRxPidErrKnown_A 577515346 577231599 0 0
USBRefPulseKnown_A 577515346 577231599 0 0
USBRefValKnown_A 577515346 577231599 0 0
USBRxEnableKnown_A 577515346 577231599 0 0
USBTxDKnown_A 577515346 577231599 0 0
USBTxSe0Known_A 577515346 577231599 0 0


AlertsKnown_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 577515346 577231599 0 0
T1 7764 7699 0 0
T2 8970 8894 0 0
T3 6768 6676 0 0
T29 8730 8638 0 0
T30 30090 30028 0 0
T41 1660 1571 0 0
T42 7641 7565 0 0
T43 23138 23066 0 0
T44 8318 8254 0 0
T45 25309 25235 0 0

CIODnEnKnown_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 577515346 577231599 0 0
T1 7764 7699 0 0
T2 8970 8894 0 0
T3 6768 6676 0 0
T29 8730 8638 0 0
T30 30090 30028 0 0
T41 1660 1571 0 0
T42 7641 7565 0 0
T43 23138 23066 0 0
T44 8318 8254 0 0
T45 25309 25235 0 0

CIODnKnown_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 577515346 577231599 0 0
T1 7764 7699 0 0
T2 8970 8894 0 0
T3 6768 6676 0 0
T29 8730 8638 0 0
T30 30090 30028 0 0
T41 1660 1571 0 0
T42 7641 7565 0 0
T43 23138 23066 0 0
T44 8318 8254 0 0
T45 25309 25235 0 0

CIODpEnKnown_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 577515346 577231599 0 0
T1 7764 7699 0 0
T2 8970 8894 0 0
T3 6768 6676 0 0
T29 8730 8638 0 0
T30 30090 30028 0 0
T41 1660 1571 0 0
T42 7641 7565 0 0
T43 23138 23066 0 0
T44 8318 8254 0 0
T45 25309 25235 0 0

CIODpKnown_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 577515346 577231599 0 0
T1 7764 7699 0 0
T2 8970 8894 0 0
T3 6768 6676 0 0
T29 8730 8638 0 0
T30 30090 30028 0 0
T41 1660 1571 0 0
T42 7641 7565 0 0
T43 23138 23066 0 0
T44 8318 8254 0 0
T45 25309 25235 0 0

FpvSecCmRegWeOnehotCheck_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 577515346 100 0 0
T8 101961 0 0 0
T24 22601 20 0 0
T25 7506 0 0 0
T56 7421 0 0 0
T87 7296 0 0 0
T98 60682 0 0 0
T106 32832 0 0 0
T217 2407 0 0 0
T233 0 20 0 0
T234 0 20 0 0
T235 0 20 0 0
T236 0 20 0 0
T237 11199 0 0 0
T238 8126 0 0 0

TlOAReadyKnown_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 577515346 577231599 0 0
T1 7764 7699 0 0
T2 8970 8894 0 0
T3 6768 6676 0 0
T29 8730 8638 0 0
T30 30090 30028 0 0
T41 1660 1571 0 0
T42 7641 7565 0 0
T43 23138 23066 0 0
T44 8318 8254 0 0
T45 25309 25235 0 0

TlODValidKnown_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 577515346 577231599 0 0
T1 7764 7699 0 0
T2 8970 8894 0 0
T3 6768 6676 0 0
T29 8730 8638 0 0
T30 30090 30028 0 0
T41 1660 1571 0 0
T42 7641 7565 0 0
T43 23138 23066 0 0
T44 8318 8254 0 0
T45 25309 25235 0 0

USBAonSuspendReqKnown_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 577515346 577231599 0 0
T1 7764 7699 0 0
T2 8970 8894 0 0
T3 6768 6676 0 0
T29 8730 8638 0 0
T30 30090 30028 0 0
T41 1660 1571 0 0
T42 7641 7565 0 0
T43 23138 23066 0 0
T44 8318 8254 0 0
T45 25309 25235 0 0

USBAonWakeAckKnown_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 577515346 577231599 0 0
T1 7764 7699 0 0
T2 8970 8894 0 0
T3 6768 6676 0 0
T29 8730 8638 0 0
T30 30090 30028 0 0
T41 1660 1571 0 0
T42 7641 7565 0 0
T43 23138 23066 0 0
T44 8318 8254 0 0
T45 25309 25235 0 0

USBDnPUKnown_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 577515346 577231599 0 0
T1 7764 7699 0 0
T2 8970 8894 0 0
T3 6768 6676 0 0
T29 8730 8638 0 0
T30 30090 30028 0 0
T41 1660 1571 0 0
T42 7641 7565 0 0
T43 23138 23066 0 0
T44 8318 8254 0 0
T45 25309 25235 0 0

USBDpPUKnown_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 577515346 577231599 0 0
T1 7764 7699 0 0
T2 8970 8894 0 0
T3 6768 6676 0 0
T29 8730 8638 0 0
T30 30090 30028 0 0
T41 1660 1571 0 0
T42 7641 7565 0 0
T43 23138 23066 0 0
T44 8318 8254 0 0
T45 25309 25235 0 0

USBIntrAvOutEmptyKnown_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 577515346 577231599 0 0
T1 7764 7699 0 0
T2 8970 8894 0 0
T3 6768 6676 0 0
T29 8730 8638 0 0
T30 30090 30028 0 0
T41 1660 1571 0 0
T42 7641 7565 0 0
T43 23138 23066 0 0
T44 8318 8254 0 0
T45 25309 25235 0 0

USBIntrAvOverKnown_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 577515346 577231599 0 0
T1 7764 7699 0 0
T2 8970 8894 0 0
T3 6768 6676 0 0
T29 8730 8638 0 0
T30 30090 30028 0 0
T41 1660 1571 0 0
T42 7641 7565 0 0
T43 23138 23066 0 0
T44 8318 8254 0 0
T45 25309 25235 0 0

USBIntrAvSetupEmptyKnown_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 577515346 577231599 0 0
T1 7764 7699 0 0
T2 8970 8894 0 0
T3 6768 6676 0 0
T29 8730 8638 0 0
T30 30090 30028 0 0
T41 1660 1571 0 0
T42 7641 7565 0 0
T43 23138 23066 0 0
T44 8318 8254 0 0
T45 25309 25235 0 0

USBIntrDisConKnown_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 577515346 577231599 0 0
T1 7764 7699 0 0
T2 8970 8894 0 0
T3 6768 6676 0 0
T29 8730 8638 0 0
T30 30090 30028 0 0
T41 1660 1571 0 0
T42 7641 7565 0 0
T43 23138 23066 0 0
T44 8318 8254 0 0
T45 25309 25235 0 0

USBIntrFrameKnown_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 577515346 577231599 0 0
T1 7764 7699 0 0
T2 8970 8894 0 0
T3 6768 6676 0 0
T29 8730 8638 0 0
T30 30090 30028 0 0
T41 1660 1571 0 0
T42 7641 7565 0 0
T43 23138 23066 0 0
T44 8318 8254 0 0
T45 25309 25235 0 0

USBIntrHostLostKnown_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 577515346 577231599 0 0
T1 7764 7699 0 0
T2 8970 8894 0 0
T3 6768 6676 0 0
T29 8730 8638 0 0
T30 30090 30028 0 0
T41 1660 1571 0 0
T42 7641 7565 0 0
T43 23138 23066 0 0
T44 8318 8254 0 0
T45 25309 25235 0 0

USBIntrLinkInErrKnown_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 577515346 577231599 0 0
T1 7764 7699 0 0
T2 8970 8894 0 0
T3 6768 6676 0 0
T29 8730 8638 0 0
T30 30090 30028 0 0
T41 1660 1571 0 0
T42 7641 7565 0 0
T43 23138 23066 0 0
T44 8318 8254 0 0
T45 25309 25235 0 0

USBIntrLinkOutErrKnown_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 577515346 577231599 0 0
T1 7764 7699 0 0
T2 8970 8894 0 0
T3 6768 6676 0 0
T29 8730 8638 0 0
T30 30090 30028 0 0
T41 1660 1571 0 0
T42 7641 7565 0 0
T43 23138 23066 0 0
T44 8318 8254 0 0
T45 25309 25235 0 0

USBIntrLinkResKnown_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 577515346 577231599 0 0
T1 7764 7699 0 0
T2 8970 8894 0 0
T3 6768 6676 0 0
T29 8730 8638 0 0
T30 30090 30028 0 0
T41 1660 1571 0 0
T42 7641 7565 0 0
T43 23138 23066 0 0
T44 8318 8254 0 0
T45 25309 25235 0 0

USBIntrLinkRstKnown_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 577515346 577231599 0 0
T1 7764 7699 0 0
T2 8970 8894 0 0
T3 6768 6676 0 0
T29 8730 8638 0 0
T30 30090 30028 0 0
T41 1660 1571 0 0
T42 7641 7565 0 0
T43 23138 23066 0 0
T44 8318 8254 0 0
T45 25309 25235 0 0

USBIntrLinkSusKnown_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 577515346 577231599 0 0
T1 7764 7699 0 0
T2 8970 8894 0 0
T3 6768 6676 0 0
T29 8730 8638 0 0
T30 30090 30028 0 0
T41 1660 1571 0 0
T42 7641 7565 0 0
T43 23138 23066 0 0
T44 8318 8254 0 0
T45 25309 25235 0 0

USBIntrPktRcvdKnown_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 577515346 577231599 0 0
T1 7764 7699 0 0
T2 8970 8894 0 0
T3 6768 6676 0 0
T29 8730 8638 0 0
T30 30090 30028 0 0
T41 1660 1571 0 0
T42 7641 7565 0 0
T43 23138 23066 0 0
T44 8318 8254 0 0
T45 25309 25235 0 0

USBIntrPktSentKnown_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 577515346 577231599 0 0
T1 7764 7699 0 0
T2 8970 8894 0 0
T3 6768 6676 0 0
T29 8730 8638 0 0
T30 30090 30028 0 0
T41 1660 1571 0 0
T42 7641 7565 0 0
T43 23138 23066 0 0
T44 8318 8254 0 0
T45 25309 25235 0 0

USBIntrPwrdKnown_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 577515346 577231599 0 0
T1 7764 7699 0 0
T2 8970 8894 0 0
T3 6768 6676 0 0
T29 8730 8638 0 0
T30 30090 30028 0 0
T41 1660 1571 0 0
T42 7641 7565 0 0
T43 23138 23066 0 0
T44 8318 8254 0 0
T45 25309 25235 0 0

USBIntrRxBitstuffErrKnown_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 577515346 577231599 0 0
T1 7764 7699 0 0
T2 8970 8894 0 0
T3 6768 6676 0 0
T29 8730 8638 0 0
T30 30090 30028 0 0
T41 1660 1571 0 0
T42 7641 7565 0 0
T43 23138 23066 0 0
T44 8318 8254 0 0
T45 25309 25235 0 0

USBIntrRxCrCErrKnown_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 577515346 577231599 0 0
T1 7764 7699 0 0
T2 8970 8894 0 0
T3 6768 6676 0 0
T29 8730 8638 0 0
T30 30090 30028 0 0
T41 1660 1571 0 0
T42 7641 7565 0 0
T43 23138 23066 0 0
T44 8318 8254 0 0
T45 25309 25235 0 0

USBIntrRxFullKnown_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 577515346 577231599 0 0
T1 7764 7699 0 0
T2 8970 8894 0 0
T3 6768 6676 0 0
T29 8730 8638 0 0
T30 30090 30028 0 0
T41 1660 1571 0 0
T42 7641 7565 0 0
T43 23138 23066 0 0
T44 8318 8254 0 0
T45 25309 25235 0 0

USBIntrRxPidErrKnown_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 577515346 577231599 0 0
T1 7764 7699 0 0
T2 8970 8894 0 0
T3 6768 6676 0 0
T29 8730 8638 0 0
T30 30090 30028 0 0
T41 1660 1571 0 0
T42 7641 7565 0 0
T43 23138 23066 0 0
T44 8318 8254 0 0
T45 25309 25235 0 0

USBRefPulseKnown_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 577515346 577231599 0 0
T1 7764 7699 0 0
T2 8970 8894 0 0
T3 6768 6676 0 0
T29 8730 8638 0 0
T30 30090 30028 0 0
T41 1660 1571 0 0
T42 7641 7565 0 0
T43 23138 23066 0 0
T44 8318 8254 0 0
T45 25309 25235 0 0

USBRefValKnown_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 577515346 577231599 0 0
T1 7764 7699 0 0
T2 8970 8894 0 0
T3 6768 6676 0 0
T29 8730 8638 0 0
T30 30090 30028 0 0
T41 1660 1571 0 0
T42 7641 7565 0 0
T43 23138 23066 0 0
T44 8318 8254 0 0
T45 25309 25235 0 0

USBRxEnableKnown_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 577515346 577231599 0 0
T1 7764 7699 0 0
T2 8970 8894 0 0
T3 6768 6676 0 0
T29 8730 8638 0 0
T30 30090 30028 0 0
T41 1660 1571 0 0
T42 7641 7565 0 0
T43 23138 23066 0 0
T44 8318 8254 0 0
T45 25309 25235 0 0

USBTxDKnown_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 577515346 577231599 0 0
T1 7764 7699 0 0
T2 8970 8894 0 0
T3 6768 6676 0 0
T29 8730 8638 0 0
T30 30090 30028 0 0
T41 1660 1571 0 0
T42 7641 7565 0 0
T43 23138 23066 0 0
T44 8318 8254 0 0
T45 25309 25235 0 0

USBTxSe0Known_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 577515346 577231599 0 0
T1 7764 7699 0 0
T2 8970 8894 0 0
T3 6768 6676 0 0
T29 8730 8638 0 0
T30 30090 30028 0 0
T41 1660 1571 0 0
T42 7641 7565 0 0
T43 23138 23066 0 0
T44 8318 8254 0 0
T45 25309 25235 0 0

Line Coverage for Instance : tb.dut
Line No.TotalCoveredPercent
TOTAL16215897.53
CONT_ASSIGN12311100.00
CONT_ASSIGN16711100.00
CONT_ASSIGN22011100.00
ALWAYS22255100.00
CONT_ASSIGN25711100.00
CONT_ASSIGN25811100.00
CONT_ASSIGN25911100.00
CONT_ASSIGN26311100.00
CONT_ASSIGN26411100.00
CONT_ASSIGN26611100.00
CONT_ASSIGN26811100.00
CONT_ASSIGN31611100.00
CONT_ASSIGN32111100.00
CONT_ASSIGN32411100.00
CONT_ASSIGN32711100.00
CONT_ASSIGN35211100.00
CONT_ASSIGN35311100.00
CONT_ASSIGN35411100.00
CONT_ASSIGN35511100.00
CONT_ASSIGN35611100.00
CONT_ASSIGN360100.00
ALWAYS38300
ALWAYS38333100.00
ALWAYS39100
ALWAYS39144100.00
ALWAYS40000
ALWAYS40033100.00
ALWAYS40700
ALWAYS40733100.00
ALWAYS41400
ALWAYS41433100.00
ALWAYS42100
ALWAYS42122100.00
ALWAYS43455100.00
CONT_ASSIGN44211100.00
CONT_ASSIGN44311100.00
CONT_ASSIGN44711100.00
CONT_ASSIGN44811100.00
CONT_ASSIGN44911100.00
CONT_ASSIGN45111100.00
CONT_ASSIGN45611100.00
CONT_ASSIGN45711100.00
CONT_ASSIGN45811100.00
CONT_ASSIGN46011100.00
ALWAYS46433100.00
ALWAYS47100
ALWAYS47133100.00
ALWAYS48033100.00
ALWAYS49233100.00
ALWAYS49900
ALWAYS49933100.00
ALWAYS5061010100.00
ALWAYS52533100.00
ALWAYS53200
ALWAYS53233100.00
ALWAYS54000
ALWAYS54033100.00
ALWAYS54900
ALWAYS54933100.00
CONT_ASSIGN55911100.00
CONT_ASSIGN56011100.00
CONT_ASSIGN56111100.00
CONT_ASSIGN68411100.00
CONT_ASSIGN68511100.00
CONT_ASSIGN68711100.00
CONT_ASSIGN68811100.00
CONT_ASSIGN70611100.00
CONT_ASSIGN70911100.00
ALWAYS71500
ALWAYS71588100.00
CONT_ASSIGN80011100.00
CONT_ASSIGN80111100.00
CONT_ASSIGN80211100.00
CONT_ASSIGN80311100.00
CONT_ASSIGN81111100.00
ALWAYS82088100.00
CONT_ASSIGN83411100.00
CONT_ASSIGN83500
CONT_ASSIGN83811100.00
CONT_ASSIGN83911100.00
CONT_ASSIGN89711100.00
CONT_ASSIGN89811100.00
CONT_ASSIGN90211100.00
CONT_ASSIGN116511100.00
CONT_ASSIGN116611100.00
CONT_ASSIGN116711100.00
CONT_ASSIGN116811100.00
CONT_ASSIGN120811100.00
CONT_ASSIGN121111100.00
CONT_ASSIGN122011100.00
ALWAYS122355100.00
ALWAYS123233100.00
CONT_ASSIGN124511100.00
CONT_ASSIGN124811100.00
CONT_ASSIGN125511100.00
ALWAYS125933100.00
CONT_ASSIGN126611100.00
CONT_ASSIGN127111100.00
CONT_ASSIGN127311100.00
CONT_ASSIGN128111100.00
CONT_ASSIGN128311100.00
CONT_ASSIGN128511100.00
CONT_ASSIGN128711100.00
CONT_ASSIGN1297100.00
CONT_ASSIGN1301100.00
CONT_ASSIGN1304100.00

122 end else begin : gen_no_stubbed_reset 123 1/1 assign rst_n = rst_ni; Tests: T1 T2 T3  124 end 125 126 tlul_pkg::tl_h2d_t tl_sram_h2d; 127 tlul_pkg::tl_d2h_t tl_sram_d2h; 128 129 // Software access to the Packet Buffer RAM 130 logic sw_mem_a_req; 131 logic sw_mem_a_gnt; 132 logic sw_mem_a_write; 133 logic [SramAw-1:0] sw_mem_a_addr; 134 logic [SramDw-1:0] sw_mem_a_wdata; 135 logic sw_mem_a_rvalid; 136 logic [SramDw-1:0] sw_mem_a_rdata; 137 logic [1:0] sw_mem_a_rerror; 138 139 // usbdev hardware access to the Packet Buffer RAM 140 logic usb_mem_b_req; 141 logic usb_mem_b_write; 142 logic [SramAw-1:0] usb_mem_b_addr; 143 logic [SramDw-1:0] usb_mem_b_wdata; 144 logic [SramDw-1:0] usb_mem_b_rdata; 145 146 logic clr_devaddr; 147 logic event_av_setup_empty, event_av_out_empty, event_av_overflow, event_rx_full; 148 logic link_reset, link_suspend; 149 logic host_lost, link_disconnect, link_powered; 150 logic event_link_reset, event_link_suspend, event_link_resume; 151 logic event_host_lost, event_disconnect, event_powered; 152 logic event_rx_crc5_err, event_rx_crc16_err; 153 logic event_rx_crc_err, event_rx_pid_err; 154 logic event_rx_bitstuff_err; 155 logic event_in_err; 156 logic event_out_err; 157 logic event_frame, event_sof; 158 logic link_active; 159 160 // Diagnostic visibility of OUT-side exceptional events 161 logic event_ign_avsetup, event_drop_avout, event_drop_rx, event_datatog_out; 162 // Diagnostic visibility of IN-side exceptional events 163 logic event_timeout_in, event_nak_in, event_nodata_in; 164 165 // Interrupt to software reports both types of CRC error; they are separated only for the 166 // purpose of diagnostic event counting. 167 1/1 assign event_rx_crc_err = event_rx_crc5_err | event_rx_crc16_err; Tests: T1 T2 T3  168 169 logic [10:0] frame; 170 logic [2:0] link_state; 171 logic connect_en; 172 logic resume_link_active; 173 174 // Current state of OUT data toggles 175 logic [NEndpoints-1:0] out_data_toggle; 176 // Write strobe from register interface 177 logic out_datatog_we; 178 // Write data from register interface 179 logic [NEndpoints-1:0] out_datatog_status; 180 logic [NEndpoints-1:0] out_datatog_mask; 181 182 // Current state of IN data toggles 183 logic [NEndpoints-1:0] in_data_toggle; 184 // Write strobe from register interface 185 logic in_datatog_we; 186 // Write data from register interface 187 logic [NEndpoints-1:0] in_datatog_status; 188 logic [NEndpoints-1:0] in_datatog_mask; 189 190 ///////////////////////////////// 191 // USB RX after CDC & muxing // 192 ///////////////////////////////// 193 logic usb_rx_d; 194 logic usb_rx_dp; 195 logic usb_rx_dn; 196 ///////////////////////////////// 197 // USB TX after CDC & muxing // 198 ///////////////////////////////// 199 logic usb_tx_d; 200 logic usb_tx_se0; 201 logic usb_tx_dp; 202 logic usb_tx_dn; 203 logic usb_tx_oe; 204 ///////////////////////////////// 205 // USB contol pins after CDC // 206 ///////////////////////////////// 207 logic usb_pwr_sense; 208 logic usb_pullup_en; 209 logic usb_dp_pullup_en; 210 logic usb_dn_pullup_en; 211 212 ////////////////////////////////// 213 // Microsecond timing reference // 214 ////////////////////////////////// 215 // us_tick ticks for one cycle every us, and it is based off a free-running 216 // counter. 217 logic [5:0] ns_cnt; 218 logic us_tick; 219 220 1/1 assign us_tick = (ns_cnt == 6'd47); Tests: T1 T2 T3  221 always_ff @(posedge clk_i or negedge rst_n) begin 222 1/1 if (!rst_n) begin Tests: T1 T2 T3  223 1/1 ns_cnt <= '0; Tests: T1 T2 T3  224 end else begin 225 1/1 if (us_tick) begin Tests: T1 T2 T3  226 1/1 ns_cnt <= '0; Tests: T1 T2 T3  227 end else begin 228 1/1 ns_cnt <= ns_cnt + 1'b1; Tests: T1 T2 T3  229 end 230 end 231 end 232 233 ///////////////////////////// 234 // Receive interface fifos // 235 ///////////////////////////// 236 237 logic avsetup_fifo_rst; 238 logic avsetup_fifo_wready; 239 logic avout_fifo_rst; 240 logic avout_fifo_wready; 241 logic event_pkt_received; 242 logic avsetup_rvalid, avsetup_rready; 243 logic avout_rvalid, avout_rready; 244 logic rx_fifo_rst; 245 logic rx_wvalid, rx_wready; 246 logic rx_wready_setup, rx_wready_out; 247 logic rx_fifo_rvalid; 248 logic rx_fifo_re; 249 250 logic [AVFifoWidth - 1:0] avsetup_rdata; 251 logic [AVFifoWidth - 1:0] avout_rdata; 252 logic [RXFifoWidth - 1:0] rx_wdata, rx_rdata; 253 254 logic [NEndpoints-1:0] clear_rxenable_out; 255 256 // Software reset signals 257 1/1 assign avsetup_fifo_rst = reg2hw.fifo_ctrl.avsetup_rst.qe & reg2hw.fifo_ctrl.avsetup_rst.q; Tests: T1 T2 T3  258 1/1 assign avout_fifo_rst = reg2hw.fifo_ctrl.avout_rst.qe & reg2hw.fifo_ctrl.avout_rst.q; Tests: T1 T2 T3  259 1/1 assign rx_fifo_rst = reg2hw.fifo_ctrl.rx_rst.qe & reg2hw.fifo_ctrl.rx_rst.q; Tests: T1 T2 T3  260 261 // Separate 'FIFO empty' interrupts for the OUT and SETUP FIFOs because each interrupt cannot be 262 // cleared without writing a buffer into the FIFO 263 1/1 assign event_av_setup_empty = connect_en & ~avsetup_rvalid; Tests: T1 T2 T3  264 1/1 assign event_av_out_empty = connect_en & ~avout_rvalid; Tests: T1 T2 T3  265 // A single 'overflow' interrupt suffices since this indicates a programming error 266 1/1 assign event_av_overflow = (reg2hw.avsetupbuffer.qe & (~avsetup_fifo_wready)) Tests: T1 T2 T3  267 | (reg2hw.avoutbuffer.qe & (~avout_fifo_wready)); 268 1/1 assign hw2reg.usbstat.rx_empty.d = connect_en & ~rx_fifo_rvalid; Tests: T1 T2 T3  269 270 // Available SETUP Buffer FIFO 271 prim_fifo_sync #( 272 .Width(AVFifoWidth), 273 .Pass(1'b0), 274 .Depth(AVSetupFifoDepth), 275 .OutputZeroIfEmpty(1'b0) 276 ) usbdev_avsetupfifo ( 277 .clk_i, 278 .rst_ni (rst_n), 279 .clr_i (avsetup_fifo_rst), 280 281 .wvalid_i (reg2hw.avsetupbuffer.qe), 282 .wready_o (avsetup_fifo_wready), 283 .wdata_i (reg2hw.avsetupbuffer.q), 284 285 .rvalid_o (avsetup_rvalid), 286 .rready_i (avsetup_rready), 287 .rdata_o (avsetup_rdata), 288 .full_o (hw2reg.usbstat.av_setup_full.d), 289 .depth_o (hw2reg.usbstat.av_setup_depth.d), 290 .err_o () 291 ); 292 293 // Available OUT Buffer FIFO 294 prim_fifo_sync #( 295 .Width(AVFifoWidth), 296 .Pass(1'b0), 297 .Depth(AVOutFifoDepth), 298 .OutputZeroIfEmpty(1'b0) 299 ) usbdev_avoutfifo ( 300 .clk_i, 301 .rst_ni (rst_n), 302 .clr_i (avout_fifo_rst), 303 304 .wvalid_i (reg2hw.avoutbuffer.qe), 305 .wready_o (avout_fifo_wready), 306 .wdata_i (reg2hw.avoutbuffer.q), 307 308 .rvalid_o (avout_rvalid), 309 .rready_i (avout_rready), 310 .rdata_o (avout_rdata), 311 .full_o (hw2reg.usbstat.av_out_full.d), 312 .depth_o (hw2reg.usbstat.av_out_depth.d), 313 .err_o () 314 ); 315 316 1/1 assign rx_fifo_re = reg2hw.rxfifo.ep.re | reg2hw.rxfifo.setup.re | Tests: T2 T30 T31  317 reg2hw.rxfifo.size.re | reg2hw.rxfifo.buffer.re; 318 319 // The number of used entries in the Received Buffer FIFO is presented to the software 320 logic [RXFifoDepthW-1:0] rx_depth; 321 1/1 assign hw2reg.usbstat.rx_depth.d = rx_depth; Tests: T1 T2 T3  322 323 // We can always accept a SETUP packet if the Received Buffer FIFO is not full... 324 1/1 assign rx_wready_setup = rx_wready; Tests: T1 T2 T3  325 // ... but regular OUT packets are not permitted to use the final entry; still qualified 326 // with 'rx_wready' for when reset is asserted. 327 1/1 assign rx_wready_out = rx_wready & (rx_depth < RXFifoDepthW'(RXFifoDepth - 1)); Tests: T1 T2 T3  328 329 // Received Buffer FIFO 330 prim_fifo_sync #( 331 .Width(RXFifoWidth), 332 .Pass(1'b0), 333 .Depth(RXFifoDepth), 334 .OutputZeroIfEmpty(1'b1) 335 ) usbdev_rxfifo ( 336 .clk_i, 337 .rst_ni (rst_n), 338 .clr_i (rx_fifo_rst), 339 340 .wvalid_i (rx_wvalid), 341 .wready_o (rx_wready), 342 .wdata_i (rx_wdata), 343 344 .rvalid_o (rx_fifo_rvalid), 345 .rready_i (rx_fifo_re), 346 .rdata_o (rx_rdata), 347 .full_o (event_rx_full), 348 .depth_o (rx_depth), 349 .err_o () 350 ); 351 352 1/1 assign hw2reg.rxfifo.ep.d = rx_rdata[16:13]; Tests: T1 T2 T3  353 1/1 assign hw2reg.rxfifo.setup.d = rx_rdata[12]; Tests: T1 T2 T3  354 1/1 assign hw2reg.rxfifo.size.d = rx_rdata[11:5]; Tests: T1 T2 T3  355 1/1 assign hw2reg.rxfifo.buffer.d = rx_rdata[4:0]; Tests: T1 T2 T3  356 1/1 assign event_pkt_received = rx_fifo_rvalid; Tests: T1 T2 T3  357 358 // The rxfifo register is hrw, but we just need the read enables. 359 logic [16:0] unused_rxfifo_q; 360 0/1 ==> assign unused_rxfifo_q = {reg2hw.rxfifo.ep.q, reg2hw.rxfifo.setup.q, 361 reg2hw.rxfifo.size.q, reg2hw.rxfifo.buffer.q}; 362 363 //////////////////////////////////// 364 // IN (Transmit) interface config // 365 //////////////////////////////////// 366 logic [NBufWidth-1:0] in_buf [NEndpoints]; 367 logic [SizeWidth:0] in_size [NEndpoints]; 368 logic [3:0] in_endpoint; 369 logic in_endpoint_val; 370 logic [NEndpoints-1:0] in_rdy; 371 logic [NEndpoints-1:0] clear_rdybit, set_sentbit, update_pend, set_sending; 372 logic setup_received, in_ep_xact_end; 373 logic [NEndpoints-1:0] ep_out_iso, ep_in_iso; 374 logic [NEndpoints-1:0] enable_out, enable_setup, in_ep_stall, out_ep_stall; 375 logic [NEndpoints-1:0] ep_set_nak_on_out; 376 logic [NEndpoints-1:0] ep_in_enable, ep_out_enable; 377 logic [3:0] out_endpoint; 378 logic out_endpoint_val; 379 logic use_diff_rcvr, usb_diff_rx_ok; 380 381 // Endpoint enables 382 always_comb begin : proc_map_ep_enable 383 1/1 for (int i = 0; i < NEndpoints; i++) begin Tests: T1 T2 T3  384 1/1 ep_in_enable[i] = reg2hw.ep_in_enable[i].q; Tests: T1 T2 T3  385 1/1 ep_out_enable[i] = reg2hw.ep_out_enable[i].q; Tests: T1 T2 T3  386 end 387 end 388 389 // RX enables 390 always_comb begin : proc_map_rxenable 391 1/1 for (int i = 0; i < NEndpoints; i++) begin Tests: T1 T2 T3  392 1/1 enable_setup[i] = reg2hw.rxenable_setup[i].q; Tests: T1 T2 T3  393 1/1 enable_out[i] = reg2hw.rxenable_out[i].q; Tests: T1 T2 T3  394 1/1 ep_set_nak_on_out[i] = reg2hw.set_nak_out[i].q; Tests: T1 T2 T3  395 end 396 end 397 398 // STALL for both directions 399 always_comb begin : proc_map_stall 400 1/1 for (int i = 0; i < NEndpoints; i++) begin Tests: T1 T2 T3  401 1/1 in_ep_stall[i] = reg2hw.in_stall[i]; Tests: T1 T2 T3  402 1/1 out_ep_stall[i] = reg2hw.out_stall[i]; Tests: T1 T2 T3  403 end 404 end 405 406 always_comb begin : proc_map_iso 407 1/1 for (int i = 0; i < NEndpoints; i++) begin Tests: T1 T2 T3  408 1/1 ep_out_iso[i] = reg2hw.out_iso[i].q; Tests: T1 T2 T3  409 1/1 ep_in_iso[i] = reg2hw.in_iso[i].q; Tests: T1 T2 T3  410 end 411 end 412 413 always_comb begin : proc_map_buf_size 414 1/1 for (int i = 0; i < NEndpoints; i++) begin Tests: T1 T2 T3  415 1/1 in_buf[i] = reg2hw.configin[i].buffer.q; Tests: T1 T2 T3  416 1/1 in_size[i] = reg2hw.configin[i].size.q; Tests: T1 T2 T3  417 end 418 end 419 420 always_comb begin : proc_map_rdy_reg2hw 421 1/1 for (int i = 0; i < NEndpoints; i++) begin Tests: T1 T2 T3  422 1/1 in_rdy[i] = reg2hw.configin[i].rdy.q; Tests: T1 T2 T3  423 end 424 end 425 426 // Captured properties of current IN buffer, maintained throughout packet collection as 427 // protection against change during packet retraction by FW. 428 logic [NBufWidth-1:0] in_buf_q, in_buf_d; 429 logic [SizeWidth:0] in_size_q, in_size_d; 430 logic in_xact_starting; 431 logic [3:0] in_xact_start_ep; 432 433 always_ff @(posedge clk_i or negedge rst_n) begin 434 1/1 if (!rst_n) begin Tests: T1 T2 T3  435 1/1 in_buf_q <= '0; Tests: T1 T2 T3  436 1/1 in_size_q <= '0; Tests: T1 T2 T3  437 end else begin 438 1/1 in_buf_q <= in_buf_d; Tests: T1 T2 T3  439 1/1 in_size_q <= in_size_d; Tests: T1 T2 T3  440 end 441 end 442 1/1 assign in_buf_d = in_xact_starting ? in_buf[in_xact_start_ep] : in_buf_q; Tests: T1 T2 T3  443 1/1 assign in_size_d = in_xact_starting ? in_size[in_xact_start_ep] : in_size_q; Tests: T1 T2 T3  444 445 // OUT data toggles are maintained with the packet engine but may be set or 446 // cleared by software 447 1/1 assign out_datatog_we = reg2hw.out_data_toggle.status.qe & reg2hw.out_data_toggle.mask.qe; Tests: T29 T30 T37  448 1/1 assign out_datatog_status = reg2hw.out_data_toggle.status.q; Tests: T1 T2 T3  449 1/1 assign out_datatog_mask = reg2hw.out_data_toggle.mask.q; Tests: T1 T2 T3  450 // Software may read tham at any time 451 1/1 assign hw2reg.out_data_toggle.status.d = out_data_toggle; Tests: T1 T2 T3  452 assign hw2reg.out_data_toggle.mask.d = {NEndpoints{1'b0}}; 453 454 // IN data toggles are maintained with the packet engine but may be set or 455 // cleared by software 456 1/1 assign in_datatog_we = reg2hw.in_data_toggle.status.qe & reg2hw.in_data_toggle.mask.qe; Tests: T29 T30 T113  457 1/1 assign in_datatog_status = reg2hw.in_data_toggle.status.q; Tests: T1 T2 T3  458 1/1 assign in_datatog_mask = reg2hw.in_data_toggle.mask.q; Tests: T1 T2 T3  459 // Software may read them at any time 460 1/1 assign hw2reg.in_data_toggle.status.d = in_data_toggle; Tests: T1 T2 T3  461 assign hw2reg.in_data_toggle.mask.d = {NEndpoints{1'b0}}; 462 463 always_comb begin 464 1/1 set_sentbit = '0; Tests: T1 T2 T3  465 1/1 if (in_ep_xact_end && in_endpoint_val) begin Tests: T1 T2 T3  466 1/1 set_sentbit[in_endpoint] = 1'b1; Tests: T2 T29 T30  467 end MISSING_ELSE 468 end 469 470 always_comb begin : proc_map_sent 471 1/1 for (int i = 0; i < NEndpoints; i++) begin Tests: T2 T29 T30  472 1/1 hw2reg.in_sent[i].de = set_sentbit[i]; Tests: T2 T29 T30  473 1/1 hw2reg.in_sent[i].d = 1'b1; Tests: T2 T29 T30  474 end 475 end 476 477 // This must be held level for the interrupt, so no sent packets are missed. 478 logic sent_event_pending; 479 always_comb begin 480 1/1 sent_event_pending = 1'b0; Tests: T1 T2 T3  481 1/1 for (int i = 0; i < NEndpoints; i++) begin Tests: T1 T2 T3  482 1/1 sent_event_pending |= reg2hw.in_sent[i].q; Tests: T1 T2 T3  483 end 484 end 485 486 // Clear of rxenable_out bit 487 // If so configured, for every received transaction on a given endpoint, clear 488 // the rxenable_out bit. In this configuration, hardware defaults to NAKing 489 // any subsequent transaction, so software has time to decide the next 490 // response. 491 always_comb begin 492 1/1 clear_rxenable_out = '0; Tests: T1 T2 T3  493 1/1 if (rx_wvalid && out_endpoint_val) begin Tests: T1 T2 T3  494 1/1 clear_rxenable_out[out_endpoint] = ep_set_nak_on_out[out_endpoint]; Tests: T1 T2 T30  495 end MISSING_ELSE 496 end 497 498 always_comb begin 499 1/1 for (int i = 0; i < NEndpoints; i++) begin Tests: T77 T134 T135  500 1/1 hw2reg.rxenable_out[i].d = 1'b0; Tests: T77 T134 T135  501 1/1 hw2reg.rxenable_out[i].de = clear_rxenable_out[i]; Tests: T77 T134 T135  502 end 503 end 504 505 always_comb begin 506 1/1 clear_rdybit = '0; Tests: T1 T2 T3  507 1/1 update_pend = '0; Tests: T1 T2 T3  508 1/1 if (event_link_reset) begin Tests: T1 T2 T3  509 1/1 clear_rdybit = {NEndpoints{1'b1}}; Tests: T1 T2 T3  510 1/1 update_pend = {NEndpoints{1'b1}}; Tests: T1 T2 T3  511 end else begin 512 1/1 if (setup_received & out_endpoint_val) begin Tests: T1 T2 T3  513 // Clear pending when a SETUP is received 514 1/1 clear_rdybit[out_endpoint] = 1'b1; Tests: T91 T53 T54  515 1/1 update_pend[out_endpoint] = 1'b1; Tests: T91 T53 T54  516 1/1 end else if (in_ep_xact_end & in_endpoint_val) begin Tests: T1 T2 T3  517 // Clear rdy and sending when an IN transmission was successful 518 1/1 clear_rdybit[in_endpoint] = 1'b1; Tests: T2 T29 T30  519 end MISSING_ELSE 520 end 521 end 522 523 // IN transaction starting on any endpoint? 524 always_comb begin 525 1/1 set_sending = '0; Tests: T1 T2 T3  526 2/2 if (in_xact_starting) set_sending[in_xact_start_ep] = 1'b1; Tests: T1 T2 T3  | T2 T29 T30  MISSING_ELSE 527 end 528 529 // Clearing of rdy bit in response to successful IN packet transmission or packet cancellation 530 // through link reset or SETUP packet reception. 531 always_comb begin : proc_map_rdy_hw2reg 532 1/1 for (int i = 0; i < NEndpoints; i++) begin Tests: T1 T2 T3  533 1/1 hw2reg.configin[i].rdy.de = clear_rdybit[i]; Tests: T1 T2 T3  534 1/1 hw2reg.configin[i].rdy.d = 1'b0; Tests: T1 T2 T3  535 end 536 end 537 538 // Update the pending bit by copying the ready bit that is about to clear 539 always_comb begin : proc_map_pend 540 1/1 for (int i = 0; i < NEndpoints; i++) begin Tests: T1 T2 T3  541 1/1 hw2reg.configin[i].pend.de = update_pend[i]; Tests: T1 T2 T3  542 1/1 hw2reg.configin[i].pend.d = reg2hw.configin[i].rdy.q | reg2hw.configin[i].pend.q; Tests: T1 T2 T3  543 end 544 end 545 546 // Update the sending bit to mark that collection of the packet by the USB host has been 547 // attempted and FW shall not attempt retraction of the packet. 548 always_comb begin : proc_map_sending 549 1/1 for (int i = 0; i < NEndpoints; i++) begin Tests: T1 T2 T3  550 1/1 hw2reg.configin[i].sending.de = set_sending[i] | set_sentbit[i] | update_pend[i]; Tests: T1 T2 T3  551 1/1 hw2reg.configin[i].sending.d = ~set_sentbit[i] & ~update_pend[i]; Tests: T1 T2 T3  552 end 553 end 554 555 //////////////////////////////////////////////////////// 556 // USB interface -- everything is in USB clock domain // 557 //////////////////////////////////////////////////////// 558 logic cfg_pinflip; 559 1/1 assign cfg_pinflip = reg2hw.phy_config.pinflip.q; Tests: T1 T2 T3  560 1/1 assign usb_dp_pullup_en = cfg_pinflip ? 1'b0 : usb_pullup_en; Tests: T1 T2 T3  561 1/1 assign usb_dn_pullup_en = !cfg_pinflip ? 1'b0 : usb_pullup_en; Tests: T1 T2 T3  562 563 564 usbdev_usbif #( 565 .NEndpoints (NEndpoints), 566 .AVFifoWidth (AVFifoWidth), 567 .RXFifoWidth (RXFifoWidth), 568 .MaxPktSizeByte (MaxPktSizeByte), 569 .NBuf (NBuf), 570 .SramAw (SramAw) 571 ) usbdev_impl ( 572 .clk_48mhz_i (clk_i), 573 .rst_ni (rst_n), 574 575 // Pins 576 .usb_d_i (usb_rx_d), 577 .usb_dp_i (usb_rx_dp), 578 .usb_dn_i (usb_rx_dn), 579 .usb_oe_o (usb_tx_oe), 580 .usb_d_o (usb_tx_d), 581 .usb_se0_o (usb_tx_se0), 582 .usb_dp_o (usb_tx_dp), 583 .usb_dn_o (usb_tx_dn), 584 .usb_sense_i (usb_pwr_sense), 585 .usb_pullup_en_o (usb_pullup_en), 586 587 // receive side 588 .rx_setup_i (enable_setup), 589 .rx_out_i (enable_out), 590 .rx_stall_i (out_ep_stall), 591 .avsetup_rvalid_i (avsetup_rvalid), 592 .avsetup_rready_o (avsetup_rready), 593 .avsetup_rdata_i (avsetup_rdata), 594 .avout_rvalid_i (avout_rvalid), 595 .avout_rready_o (avout_rready), 596 .avout_rdata_i (avout_rdata), 597 598 .rx_wvalid_o (rx_wvalid), 599 .rx_wready_setup_i (rx_wready_setup), 600 .rx_wready_out_i (rx_wready_out), 601 .rx_wdata_o (rx_wdata), 602 .setup_received_o (setup_received), 603 .out_endpoint_o (out_endpoint), // will be stable for several cycles 604 .out_endpoint_val_o (out_endpoint_val), 605 606 // transmit side 607 .in_xact_starting_o (in_xact_starting), 608 .in_xact_start_ep_o (in_xact_start_ep), 609 .in_buf_i (in_buf_q), 610 .in_size_i (in_size_q), 611 .in_stall_i (in_ep_stall), 612 .in_rdy_i (in_rdy), 613 .in_ep_xact_end_o (in_ep_xact_end), 614 .in_endpoint_o (in_endpoint), 615 .in_endpoint_val_o (in_endpoint_val), 616 617 // memory 618 .mem_req_o (usb_mem_b_req), 619 .mem_write_o (usb_mem_b_write), 620 .mem_addr_o (usb_mem_b_addr), 621 .mem_wdata_o (usb_mem_b_wdata), 622 .mem_rdata_i (usb_mem_b_rdata), 623 624 // time reference 625 .us_tick_i (us_tick), 626 627 // control 628 .connect_en_i (connect_en), 629 .devaddr_i (reg2hw.usbctrl.device_address.q), 630 .clr_devaddr_o (clr_devaddr), 631 .in_ep_enabled_i (ep_in_enable), 632 .out_ep_enabled_i (ep_out_enable), 633 .out_ep_iso_i (ep_out_iso), 634 .in_ep_iso_i (ep_in_iso), 635 .diff_rx_ok_i (usb_diff_rx_ok), 636 .cfg_eop_single_bit_i (reg2hw.phy_config.eop_single_bit.q), // cdc ok: quasi-static 637 .tx_osc_test_mode_i (reg2hw.phy_config.tx_osc_test_mode.q), // cdc ok: quasi-static 638 .cfg_use_diff_rcvr_i (usb_rx_enable_o), 639 .cfg_pinflip_i (cfg_pinflip), 640 .out_data_toggle_o (out_data_toggle), 641 .out_datatog_we_i (out_datatog_we), 642 .out_datatog_status_i (out_datatog_status), 643 .out_datatog_mask_i (out_datatog_mask), 644 .in_data_toggle_o (in_data_toggle), 645 .in_datatog_we_i (in_datatog_we), 646 .in_datatog_status_i (in_datatog_status), 647 .in_datatog_mask_i (in_datatog_mask), 648 649 .resume_link_active_i (resume_link_active), 650 651 // status 652 .frame_o (frame), 653 .frame_start_o (event_frame), 654 .sof_detected_o (event_sof), 655 .link_state_o (link_state), 656 .link_disconnect_o (link_disconnect), 657 .link_powered_o (link_powered), 658 .link_reset_o (link_reset), 659 .link_active_o (link_active), 660 .link_suspend_o (link_suspend), 661 .link_resume_o (event_link_resume), 662 .host_lost_o (host_lost), 663 .link_in_err_o (event_in_err), 664 .link_out_err_o (event_out_err), 665 .rx_crc5_err_o (event_rx_crc5_err), 666 .rx_crc16_err_o (event_rx_crc16_err), 667 .rx_pid_err_o (event_rx_pid_err), 668 .rx_bitstuff_err_o (event_rx_bitstuff_err), 669 670 // event counters 671 .event_ign_avsetup_o (event_ign_avsetup), 672 .event_drop_avout_o (event_drop_avout), 673 .event_drop_rx_o (event_drop_rx), 674 .event_datatog_out_o (event_datatog_out), 675 .event_timeout_in_o (event_timeout_in), 676 .event_nak_in_o (event_nak_in), 677 .event_nodata_in_o (event_nodata_in) 678 ); 679 680 ///////////////////////////////// 681 // Control signal / status CDC // 682 ///////////////////////////////// 683 684 1/1 assign hw2reg.usbstat.link_state.d = link_state; Tests: T1 T2 T3  685 1/1 assign hw2reg.usbstat.frame.d = frame; Tests: T1 T2 T3  686 687 1/1 assign connect_en = reg2hw.usbctrl.enable.q; Tests: T1 T2 T3  688 1/1 assign resume_link_active = reg2hw.usbctrl.resume_link_active.qe & Tests: T1 T2 T3  689 reg2hw.usbctrl.resume_link_active.q; 690 691 // Just want a pulse to ensure only one interrupt for an event 692 prim_edge_detector #( 693 .Width(5), 694 .EnSync(1'b0) 695 ) gen_event ( 696 .clk_i, 697 .rst_ni (rst_n), 698 .d_i ({link_disconnect, link_reset, link_suspend, 699 host_lost, link_powered}), 700 .q_sync_o (), 701 .q_posedge_pulse_o({event_disconnect, event_link_reset, event_link_suspend, 702 event_host_lost, event_powered}), 703 .q_negedge_pulse_o() 704 ); 705 706 1/1 assign hw2reg.usbstat.host_lost.d = host_lost; Tests: T1 T2 T3  707 708 // resets etc cause the device address to clear 709 1/1 assign hw2reg.usbctrl.device_address.de = clr_devaddr; Tests: T1 T2 T3  710 assign hw2reg.usbctrl.device_address.d = '0; 711 712 // Clear the stall flag when a SETUP is received 713 714 always_comb begin : proc_stall_tieoff 715 1/1 for (int i = 0; i < NEndpoints; i++) begin Tests: T1 T2 T3  716 1/1 hw2reg.in_stall[i].d = 1'b0; Tests: T1 T2 T3  717 1/1 hw2reg.out_stall[i].d = 1'b0; Tests: T1 T2 T3  718 1/1 if (setup_received && out_endpoint_val && out_endpoint == 4'(unsigned'(i))) begin Tests: T1 T2 T3  719 1/1 hw2reg.out_stall[i].de = 1'b1; Tests: T91 T53 T54  720 1/1 hw2reg.in_stall[i].de = 1'b1; Tests: T91 T53 T54  721 end else begin 722 1/1 hw2reg.out_stall[i].de = 1'b0; Tests: T1 T2 T3  723 1/1 hw2reg.in_stall[i].de = 1'b0; Tests: T1 T2 T3  724 end 725 end 726 end 727 728 if (Stub) begin : gen_stubbed_memory 729 // Stub this window off with an error responder if stubbed. 730 tlul_err_resp u_tlul_err_resp ( 731 .clk_i, 732 .rst_ni, 733 .tl_h_i(tl_sram_h2d), 734 .tl_h_o(tl_sram_d2h) 735 ); 736 737 // Tie off unused signals 738 assign sw_mem_a_req = '0; 739 assign sw_mem_a_gnt = '0; 740 assign sw_mem_a_write = '0; 741 assign sw_mem_a_addr = '0; 742 assign sw_mem_a_wdata = '0; 743 assign sw_mem_a_rvalid = '0; 744 assign sw_mem_a_rdata = '0; 745 assign sw_mem_a_rerror = '0; 746 747 assign usb_mem_b_rdata = '0; 748 749 logic unused_usb_mem_b_sigs; 750 assign unused_usb_mem_b_sigs = ^{ 751 ram_cfg_i, 752 usb_mem_b_req, 753 usb_mem_b_write, 754 usb_mem_b_addr, 755 usb_mem_b_wdata, 756 usb_mem_b_rdata 757 }; 758 end else begin : gen_no_stubbed_memory 759 // TL-UL to SRAM adapter 760 tlul_adapter_sram #( 761 .SramAw(SramAw), 762 .ByteAccess(0) 763 ) u_tlul2sram ( 764 .clk_i, 765 .rst_ni, 766 767 .tl_i (tl_sram_h2d), 768 .tl_o (tl_sram_d2h), 769 .en_ifetch_i (prim_mubi_pkg::MuBi4False), 770 .req_o (sw_mem_a_req), 771 .req_type_o (), 772 .gnt_i (sw_mem_a_gnt), 773 .we_o (sw_mem_a_write), 774 .addr_o (sw_mem_a_addr), 775 .wdata_o (sw_mem_a_wdata), 776 .wmask_o (), // Not used 777 .intg_error_o (), 778 .rdata_i (sw_mem_a_rdata), 779 .rvalid_i (sw_mem_a_rvalid), 780 .rerror_i (sw_mem_a_rerror), 781 .compound_txn_in_progress_o (), 782 .readback_en_i (prim_mubi_pkg::MuBi4False), 783 .readback_error_o (), 784 .wr_collision_i (1'b0), 785 .write_pending_i (1'b0) 786 ); 787 788 // Single Port RAM implementation, which will award the `usb` port absolute priority and 789 // delay `sw` access by in the event of a collision. 790 // 791 // In practice the `usb` access to memory is sporadic (4x oversampling of bits, and read/write 792 // operations transfer 32 bits so on average the probability of collision is just 1/128 even 793 // during active USB traffic, if the TL-UL interface were active on every cycle). 794 795 // usb access has absolute priority, followed by any deferred write, and then any sw access. 796 logic mem_req; 797 logic mem_write; 798 logic [SramAw-1:0] mem_addr; 799 logic [SramDw-1:0] mem_wdata; 800 1/1 assign mem_req = usb_mem_b_req | sw_mem_a_req; Tests: T1 T2 T3  801 1/1 assign mem_write = usb_mem_b_req ? usb_mem_b_write : sw_mem_a_write; Tests: T1 T2 T3  802 1/1 assign mem_addr = usb_mem_b_req ? usb_mem_b_addr : sw_mem_a_addr; Tests: T1 T2 T3  803 1/1 assign mem_wdata = usb_mem_b_req ? usb_mem_b_wdata : sw_mem_a_wdata; Tests: T1 T2 T3  804 805 logic mem_rvalid; 806 logic [SramDw-1:0] mem_rdata; 807 logic [1:0] mem_rerror; 808 logic mem_rsteering; 809 810 // Always grant when no `usb` request. 811 1/1 assign sw_mem_a_gnt = !usb_mem_b_req; Tests: T1 T2 T3  812 813 // `usb` relies upon its read data remaining static after read. 814 logic mem_b_read_q; 815 logic [SramDw-1:0] mem_b_rdata_q; 816 817 // Remember granted read accesses. 818 // NOTE: No pipelining within the RAM model. 819 always_ff @(posedge clk_i or negedge rst_ni) begin 820 1/1 if (!rst_ni) begin Tests: T1 T2 T3  821 1/1 mem_rsteering <= 1'b0; Tests: T1 T2 T3  822 1/1 mem_b_read_q <= 1'b0; Tests: T1 T2 T3  823 1/1 mem_b_rdata_q <= {SramDw{1'b0}}; Tests: T1 T2 T3  824 end else begin 825 1/1 mem_rsteering <= usb_mem_b_req; Tests: T1 T2 T3  826 1/1 mem_b_read_q <= usb_mem_b_req & !usb_mem_b_write; Tests: T1 T2 T3  827 // Capture the `usb` read data. 828 1/1 if (mem_b_read_q) Tests: T1 T2 T3  829 1/1 mem_b_rdata_q <= mem_rdata; Tests: T2 T29 T30  MISSING_ELSE 830 end 831 end 832 833 // Read responses. 834 1/1 assign sw_mem_a_rvalid = mem_rvalid & !mem_rsteering; Tests: T1 T2 T3  835 unreachable assign sw_mem_a_rerror = {2{sw_mem_a_rvalid}} & mem_rerror; 836 // We may safely return the read data to both (no security implications), but `usb` rdata 837 // must be held static after the read, and be unaffected by `sw` reads. 838 1/1 assign sw_mem_a_rdata = mem_rdata; Tests: T2 T30 T31  839 1/1 assign usb_mem_b_rdata = mem_b_read_q ? mem_rdata : mem_b_rdata_q; Tests: T1 T2 T3  840 841 // SRAM Wrapper 842 prim_ram_1p_adv #( 843 .Depth (SramDepth), 844 .Width (SramDw), // 32 x 512 --> 2kB 845 .DataBitsPerMask(8), 846 847 .EnableECC (0), // No Protection 848 .EnableParity (0), 849 .EnableInputPipeline (0), 850 .EnableOutputPipeline(0) 851 ) u_memory_1p ( 852 .clk_i, 853 .rst_ni, 854 855 .req_i (mem_req), 856 .write_i (mem_write), 857 .addr_i (mem_addr), 858 .wdata_i (mem_wdata), 859 .wmask_i ({SramDw{1'b1}}), 860 .rdata_o (mem_rdata), 861 .rvalid_o (mem_rvalid), 862 .rerror_o (mem_rerror), 863 .cfg_i (ram_cfg_i), 864 .alert_o () 865 ); 866 end : gen_no_stubbed_memory 867 868 logic [NumAlerts-1:0] alert_test, alerts; 869 870 // Register module 871 usbdev_reg_top u_reg ( 872 .clk_i, 873 .rst_ni, // this reset is not stubbed off so that the registers are still accessible. 874 .clk_aon_i, 875 .rst_aon_ni, // this reset is not stubbed off so that the registers are still accessible. 876 877 .tl_i (tl_i), 878 .tl_o (tl_o), 879 880 .tl_win_o (tl_sram_h2d), 881 .tl_win_i (tl_sram_d2h), 882 883 .reg2hw(reg2hw_regtop), 884 .hw2reg(hw2reg_regtop), 885 886 // SEC_CM: BUS.INTEGRITY 887 .intg_err_o (alerts[0]) 888 ); 889 890 // Stub off all register connections to reg_top. 891 if (Stub) begin : gen_stubbed 892 logic unused_sigs; 893 assign reg2hw = '0; 894 assign hw2reg_regtop = '0; 895 assign unused_sigs = ^{reg2hw_regtop, hw2reg}; 896 end else begin : gen_not_stubbed 897 1/1 assign reg2hw = reg2hw_regtop; Tests: T1 T2 T3  898 1/1 assign hw2reg_regtop = hw2reg; Tests: T1 T2 T3  899 end 900 901 // Alerts 902 1/1 assign alert_test = { Tests: T1 T2 T3  903 reg2hw.alert_test.q & 904 reg2hw.alert_test.qe 905 }; 906 907 // Alerts not stubbed off because registers and T-L access still present. 908 localparam logic [NumAlerts-1:0] AlertIsFatal = {NumAlerts{1'b1}}; 909 for (genvar i = 0; i < NumAlerts; i++) begin : gen_alert_tx 910 prim_alert_sender #( 911 .AsyncOn(AlertAsyncOn[i]), 912 .IsFatal(AlertIsFatal[i]) 913 ) u_prim_alert_sender ( 914 .clk_i, 915 .rst_ni, // this reset is not stubbed off so that the pings still work. 916 .alert_test_i ( alert_test[i] ), 917 .alert_req_i ( alerts[0] ), 918 .alert_ack_o ( ), 919 .alert_state_o ( ), 920 .alert_rx_i ( alert_rx_i[i] ), 921 .alert_tx_o ( alert_tx_o[i] ) 922 ); 923 end 924 925 // Interrupts 926 prim_intr_hw #(.Width(1), .IntrT("Status")) intr_hw_pkt_received ( 927 .clk_i, 928 .rst_ni, // not stubbed off so that the interrupt regs still work. 929 .event_intr_i (event_pkt_received), 930 .reg2hw_intr_enable_q_i (reg2hw.intr_enable.pkt_received.q), 931 .reg2hw_intr_test_q_i (reg2hw.intr_test.pkt_received.q), 932 .reg2hw_intr_test_qe_i (reg2hw.intr_test.pkt_received.qe), 933 .reg2hw_intr_state_q_i (reg2hw.intr_state.pkt_received.q), 934 .hw2reg_intr_state_de_o (hw2reg.intr_state.pkt_received.de), 935 .hw2reg_intr_state_d_o (hw2reg.intr_state.pkt_received.d), 936 .intr_o (intr_pkt_received_o) 937 ); 938 939 prim_intr_hw #(.Width(1), .IntrT("Status")) intr_hw_pkt_sent ( 940 .clk_i, 941 .rst_ni, // not stubbed off so that the interrupt regs still work. 942 .event_intr_i (sent_event_pending), 943 .reg2hw_intr_enable_q_i (reg2hw.intr_enable.pkt_sent.q), 944 .reg2hw_intr_test_q_i (reg2hw.intr_test.pkt_sent.q), 945 .reg2hw_intr_test_qe_i (reg2hw.intr_test.pkt_sent.qe), 946 .reg2hw_intr_state_q_i (reg2hw.intr_state.pkt_sent.q), 947 .hw2reg_intr_state_de_o (hw2reg.intr_state.pkt_sent.de), 948 .hw2reg_intr_state_d_o (hw2reg.intr_state.pkt_sent.d), 949 .intr_o (intr_pkt_sent_o) 950 ); 951 952 prim_intr_hw #(.Width(1)) intr_disconnected ( 953 .clk_i, 954 .rst_ni, // not stubbed off so that the interrupt regs still work. 955 .event_intr_i (event_disconnect), 956 .reg2hw_intr_enable_q_i (reg2hw.intr_enable.disconnected.q), 957 .reg2hw_intr_test_q_i (reg2hw.intr_test.disconnected.q), 958 .reg2hw_intr_test_qe_i (reg2hw.intr_test.disconnected.qe), 959 .reg2hw_intr_state_q_i (reg2hw.intr_state.disconnected.q), 960 .hw2reg_intr_state_de_o (hw2reg.intr_state.disconnected.de), 961 .hw2reg_intr_state_d_o (hw2reg.intr_state.disconnected.d), 962 .intr_o (intr_disconnected_o) 963 ); 964 965 prim_intr_hw #(.Width(1)) intr_powered ( 966 .clk_i, 967 .rst_ni, // not stubbed off so that the interrupt regs still work. 968 .event_intr_i (event_powered), 969 .reg2hw_intr_enable_q_i (reg2hw.intr_enable.powered.q), 970 .reg2hw_intr_test_q_i (reg2hw.intr_test.powered.q), 971 .reg2hw_intr_test_qe_i (reg2hw.intr_test.powered.qe), 972 .reg2hw_intr_state_q_i (reg2hw.intr_state.powered.q), 973 .hw2reg_intr_state_de_o (hw2reg.intr_state.powered.de), 974 .hw2reg_intr_state_d_o (hw2reg.intr_state.powered.d), 975 .intr_o (intr_powered_o) 976 ); 977 978 prim_intr_hw #(.Width(1)) intr_host_lost ( 979 .clk_i, 980 .rst_ni, // not stubbed off so that the interrupt regs still work. 981 .event_intr_i (event_host_lost), 982 .reg2hw_intr_enable_q_i (reg2hw.intr_enable.host_lost.q), 983 .reg2hw_intr_test_q_i (reg2hw.intr_test.host_lost.q), 984 .reg2hw_intr_test_qe_i (reg2hw.intr_test.host_lost.qe), 985 .reg2hw_intr_state_q_i (reg2hw.intr_state.host_lost.q), 986 .hw2reg_intr_state_de_o (hw2reg.intr_state.host_lost.de), 987 .hw2reg_intr_state_d_o (hw2reg.intr_state.host_lost.d), 988 .intr_o (intr_host_lost_o) 989 ); 990 991 prim_intr_hw #(.Width(1)) intr_link_reset ( 992 .clk_i, 993 .rst_ni, // not stubbed off so that the interrupt regs still work. 994 .event_intr_i (event_link_reset), 995 .reg2hw_intr_enable_q_i (reg2hw.intr_enable.link_reset.q), 996 .reg2hw_intr_test_q_i (reg2hw.intr_test.link_reset.q), 997 .reg2hw_intr_test_qe_i (reg2hw.intr_test.link_reset.qe), 998 .reg2hw_intr_state_q_i (reg2hw.intr_state.link_reset.q), 999 .hw2reg_intr_state_de_o (hw2reg.intr_state.link_reset.de), 1000 .hw2reg_intr_state_d_o (hw2reg.intr_state.link_reset.d), 1001 .intr_o (intr_link_reset_o) 1002 ); 1003 1004 prim_intr_hw #(.Width(1)) intr_link_suspend ( 1005 .clk_i, 1006 .rst_ni, // not stubbed off so that the interrupt regs still work. 1007 .event_intr_i (event_link_suspend), 1008 .reg2hw_intr_enable_q_i (reg2hw.intr_enable.link_suspend.q), 1009 .reg2hw_intr_test_q_i (reg2hw.intr_test.link_suspend.q), 1010 .reg2hw_intr_test_qe_i (reg2hw.intr_test.link_suspend.qe), 1011 .reg2hw_intr_state_q_i (reg2hw.intr_state.link_suspend.q), 1012 .hw2reg_intr_state_de_o (hw2reg.intr_state.link_suspend.de), 1013 .hw2reg_intr_state_d_o (hw2reg.intr_state.link_suspend.d), 1014 .intr_o (intr_link_suspend_o) 1015 ); 1016 1017 prim_intr_hw #(.Width(1)) intr_link_resume ( 1018 .clk_i, 1019 .rst_ni, // not stubbed off so that the interrupt regs still work. 1020 .event_intr_i (event_link_resume), 1021 .reg2hw_intr_enable_q_i (reg2hw.intr_enable.link_resume.q), 1022 .reg2hw_intr_test_q_i (reg2hw.intr_test.link_resume.q), 1023 .reg2hw_intr_test_qe_i (reg2hw.intr_test.link_resume.qe), 1024 .reg2hw_intr_state_q_i (reg2hw.intr_state.link_resume.q), 1025 .hw2reg_intr_state_de_o (hw2reg.intr_state.link_resume.de), 1026 .hw2reg_intr_state_d_o (hw2reg.intr_state.link_resume.d), 1027 .intr_o (intr_link_resume_o) 1028 ); 1029 1030 prim_intr_hw #(.Width(1), .IntrT("Status")) intr_av_out_empty ( 1031 .clk_i, 1032 .rst_ni, // not stubbed off so that the interrupt regs still work. 1033 .event_intr_i (event_av_out_empty), 1034 .reg2hw_intr_enable_q_i (reg2hw.intr_enable.av_out_empty.q), 1035 .reg2hw_intr_test_q_i (reg2hw.intr_test.av_out_empty.q), 1036 .reg2hw_intr_test_qe_i (reg2hw.intr_test.av_out_empty.qe), 1037 .reg2hw_intr_state_q_i (reg2hw.intr_state.av_out_empty.q), 1038 .hw2reg_intr_state_de_o (hw2reg.intr_state.av_out_empty.de), 1039 .hw2reg_intr_state_d_o (hw2reg.intr_state.av_out_empty.d), 1040 .intr_o (intr_av_out_empty_o) 1041 ); 1042 1043 prim_intr_hw #(.Width(1), .IntrT("Status")) intr_rx_full ( 1044 .clk_i, 1045 .rst_ni, // not stubbed off so that the interrupt regs still work. 1046 .event_intr_i (event_rx_full), 1047 .reg2hw_intr_enable_q_i (reg2hw.intr_enable.rx_full.q), 1048 .reg2hw_intr_test_q_i (reg2hw.intr_test.rx_full.q), 1049 .reg2hw_intr_test_qe_i (reg2hw.intr_test.rx_full.qe), 1050 .reg2hw_intr_state_q_i (reg2hw.intr_state.rx_full.q), 1051 .hw2reg_intr_state_de_o (hw2reg.intr_state.rx_full.de), 1052 .hw2reg_intr_state_d_o (hw2reg.intr_state.rx_full.d), 1053 .intr_o (intr_rx_full_o) 1054 ); 1055 1056 prim_intr_hw #(.Width(1)) intr_av_overflow ( 1057 .clk_i, 1058 .rst_ni, // not stubbed off so that the interrupt regs still work. 1059 .event_intr_i (event_av_overflow), 1060 .reg2hw_intr_enable_q_i (reg2hw.intr_enable.av_overflow.q), 1061 .reg2hw_intr_test_q_i (reg2hw.intr_test.av_overflow.q), 1062 .reg2hw_intr_test_qe_i (reg2hw.intr_test.av_overflow.qe), 1063 .reg2hw_intr_state_q_i (reg2hw.intr_state.av_overflow.q), 1064 .hw2reg_intr_state_de_o (hw2reg.intr_state.av_overflow.de), 1065 .hw2reg_intr_state_d_o (hw2reg.intr_state.av_overflow.d), 1066 .intr_o (intr_av_overflow_o) 1067 ); 1068 1069 prim_intr_hw #(.Width(1)) intr_link_in_err ( 1070 .clk_i, 1071 .rst_ni, // not stubbed off so that the interrupt regs still work. 1072 .event_intr_i (event_in_err), 1073 .reg2hw_intr_enable_q_i (reg2hw.intr_enable.link_in_err.q), 1074 .reg2hw_intr_test_q_i (reg2hw.intr_test.link_in_err.q), 1075 .reg2hw_intr_test_qe_i (reg2hw.intr_test.link_in_err.qe), 1076 .reg2hw_intr_state_q_i (reg2hw.intr_state.link_in_err.q), 1077 .hw2reg_intr_state_de_o (hw2reg.intr_state.link_in_err.de), 1078 .hw2reg_intr_state_d_o (hw2reg.intr_state.link_in_err.d), 1079 .intr_o (intr_link_in_err_o) 1080 ); 1081 1082 prim_intr_hw #(.Width(1)) intr_link_out_err ( 1083 .clk_i, 1084 .rst_ni, // not stubbed off so that the interrupt regs still work. 1085 .event_intr_i (event_out_err), 1086 .reg2hw_intr_enable_q_i (reg2hw.intr_enable.link_out_err.q), 1087 .reg2hw_intr_test_q_i (reg2hw.intr_test.link_out_err.q), 1088 .reg2hw_intr_test_qe_i (reg2hw.intr_test.link_out_err.qe), 1089 .reg2hw_intr_state_q_i (reg2hw.intr_state.link_out_err.q), 1090 .hw2reg_intr_state_de_o (hw2reg.intr_state.link_out_err.de), 1091 .hw2reg_intr_state_d_o (hw2reg.intr_state.link_out_err.d), 1092 .intr_o (intr_link_out_err_o) 1093 ); 1094 1095 prim_intr_hw #(.Width(1)) intr_rx_crc_err ( 1096 .clk_i, 1097 .rst_ni, // not stubbed off so that the interrupt regs still work. 1098 .event_intr_i (event_rx_crc_err), 1099 .reg2hw_intr_enable_q_i (reg2hw.intr_enable.rx_crc_err.q), 1100 .reg2hw_intr_test_q_i (reg2hw.intr_test.rx_crc_err.q), 1101 .reg2hw_intr_test_qe_i (reg2hw.intr_test.rx_crc_err.qe), 1102 .reg2hw_intr_state_q_i (reg2hw.intr_state.rx_crc_err.q), 1103 .hw2reg_intr_state_de_o (hw2reg.intr_state.rx_crc_err.de), 1104 .hw2reg_intr_state_d_o (hw2reg.intr_state.rx_crc_err.d), 1105 .intr_o (intr_rx_crc_err_o) 1106 ); 1107 1108 prim_intr_hw #(.Width(1)) intr_rx_pid_err ( 1109 .clk_i, 1110 .rst_ni, // not stubbed off so that the interrupt regs still work. 1111 .event_intr_i (event_rx_pid_err), 1112 .reg2hw_intr_enable_q_i (reg2hw.intr_enable.rx_pid_err.q), 1113 .reg2hw_intr_test_q_i (reg2hw.intr_test.rx_pid_err.q), 1114 .reg2hw_intr_test_qe_i (reg2hw.intr_test.rx_pid_err.qe), 1115 .reg2hw_intr_state_q_i (reg2hw.intr_state.rx_pid_err.q), 1116 .hw2reg_intr_state_de_o (hw2reg.intr_state.rx_pid_err.de), 1117 .hw2reg_intr_state_d_o (hw2reg.intr_state.rx_pid_err.d), 1118 .intr_o (intr_rx_pid_err_o) 1119 ); 1120 1121 prim_intr_hw #(.Width(1)) intr_rx_bitstuff_err ( 1122 .clk_i, 1123 .rst_ni, // not stubbed off so that the interrupt regs still work. 1124 .event_intr_i (event_rx_bitstuff_err), 1125 .reg2hw_intr_enable_q_i (reg2hw.intr_enable.rx_bitstuff_err.q), 1126 .reg2hw_intr_test_q_i (reg2hw.intr_test.rx_bitstuff_err.q), 1127 .reg2hw_intr_test_qe_i (reg2hw.intr_test.rx_bitstuff_err.qe), 1128 .reg2hw_intr_state_q_i (reg2hw.intr_state.rx_bitstuff_err.q), 1129 .hw2reg_intr_state_de_o (hw2reg.intr_state.rx_bitstuff_err.de), 1130 .hw2reg_intr_state_d_o (hw2reg.intr_state.rx_bitstuff_err.d), 1131 .intr_o (intr_rx_bitstuff_err_o) 1132 ); 1133 1134 prim_intr_hw #(.Width(1)) intr_frame ( 1135 .clk_i, 1136 .rst_ni, // not stubbed off so that the interrupt regs still work. 1137 .event_intr_i (event_frame), 1138 .reg2hw_intr_enable_q_i (reg2hw.intr_enable.frame.q), 1139 .reg2hw_intr_test_q_i (reg2hw.intr_test.frame.q), 1140 .reg2hw_intr_test_qe_i (reg2hw.intr_test.frame.qe), 1141 .reg2hw_intr_state_q_i (reg2hw.intr_state.frame.q), 1142 .hw2reg_intr_state_de_o (hw2reg.intr_state.frame.de), 1143 .hw2reg_intr_state_d_o (hw2reg.intr_state.frame.d), 1144 .intr_o (intr_frame_o) 1145 ); 1146 1147 prim_intr_hw #(.Width(1), .IntrT("Status")) intr_av_setup_empty ( 1148 .clk_i, 1149 .rst_ni, // not stubbed off so that the interrupt regs still work. 1150 .event_intr_i (event_av_setup_empty), 1151 .reg2hw_intr_enable_q_i (reg2hw.intr_enable.av_setup_empty.q), 1152 .reg2hw_intr_test_q_i (reg2hw.intr_test.av_setup_empty.q), 1153 .reg2hw_intr_test_qe_i (reg2hw.intr_test.av_setup_empty.qe), 1154 .reg2hw_intr_state_q_i (reg2hw.intr_state.av_setup_empty.q), 1155 .hw2reg_intr_state_de_o (hw2reg.intr_state.av_setup_empty.de), 1156 .hw2reg_intr_state_d_o (hw2reg.intr_state.av_setup_empty.d), 1157 .intr_o (intr_av_setup_empty_o) 1158 ); 1159 1160 ///////////////////////////////// 1161 // USB IO Muxing // 1162 ///////////////////////////////// 1163 logic cio_usb_oe; 1164 logic usb_rx_enable; 1165 1/1 assign cio_usb_dp_en_o = cio_usb_oe; Tests: T1 T2 T3  1166 1/1 assign cio_usb_dn_en_o = cio_usb_oe; Tests: T1 T2 T3  1167 1/1 assign usb_tx_use_d_se0_o = reg2hw.phy_config.tx_use_d_se0.q; // cdc ok: quasi-static Tests: T1 T2 T3  1168 1/1 assign hw2reg.usbstat.sense.d = usb_pwr_sense; Tests: T1 T2 T3  1169 1170 usbdev_iomux i_usbdev_iomux ( 1171 .clk_i, 1172 .rst_ni (rst_n), 1173 1174 // Register interface 1175 .hw2reg_sense_o (hw2reg.phy_pins_sense), 1176 .reg2hw_drive_i (reg2hw.phy_pins_drive), 1177 1178 // Chip IO 1179 .usb_rx_d_i (usb_rx_d_i), 1180 .usb_rx_dp_i (cio_usb_dp_i), 1181 .usb_rx_dn_i (cio_usb_dn_i), 1182 .cio_usb_sense_i (cio_sense_i), 1183 .usb_tx_d_o (usb_tx_d_o), 1184 .usb_tx_se0_o (usb_tx_se0_o), 1185 .usb_tx_dp_o (cio_usb_dp_o), 1186 .usb_tx_dn_o (cio_usb_dn_o), 1187 .usb_tx_oe_o (cio_usb_oe), 1188 .usb_dp_pullup_en_o (usb_dp_pullup_o), 1189 .usb_dn_pullup_en_o (usb_dn_pullup_o), 1190 .usb_rx_enable_o (usb_rx_enable_o), 1191 1192 // Internal interface 1193 .usb_rx_d_o (usb_rx_d), 1194 .usb_rx_dp_o (usb_rx_dp), 1195 .usb_rx_dn_o (usb_rx_dn), 1196 .usb_tx_d_i (usb_tx_d), 1197 .usb_tx_se0_i (usb_tx_se0), 1198 .usb_tx_dp_i (usb_tx_dp), 1199 .usb_tx_dn_i (usb_tx_dn), 1200 .usb_tx_oe_i (usb_tx_oe), 1201 .usb_pwr_sense_o (usb_pwr_sense), 1202 .usb_dp_pullup_en_i (usb_dp_pullup_en), 1203 .usb_dn_pullup_en_i (usb_dn_pullup_en), 1204 .usb_rx_enable_i (usb_rx_enable) 1205 ); 1206 1207 // Differential receiver enable 1208 1/1 assign use_diff_rcvr = reg2hw.phy_config.use_diff_rcvr.q; Tests: T1 T2 T3  1209 // enable rx only when the single-ended input is enabled and the device is 1210 // not suspended (unless it is forced on in the I/O mux). 1211 1/1 assign usb_rx_enable = use_diff_rcvr & ~link_suspend; Tests: T1 T2 T3  1212 1213 // Symbols from the differential receiver are invalid until it has finished 1214 // waking up / powering on 1215 // Add 1 to the specified time to account for uncertainty in the 1216 // free-running counter for us_tick. 1217 localparam int RcvrWakeTimeWidth = vbits(RcvrWakeTimeUs + 2); 1218 logic [RcvrWakeTimeWidth-1:0] usb_rcvr_ok_counter_d, usb_rcvr_ok_counter_q; 1219 1220 1/1 assign usb_diff_rx_ok = (usb_rcvr_ok_counter_q == '0); Tests: T1 T2 T3  1221 always_comb begin 1222 // When don't need to use a differential receiver, RX is always ready 1223 1/1 usb_rcvr_ok_counter_d = '0; Tests: T1 T2 T3  1224 1/1 if (use_diff_rcvr & !usb_rx_enable_o) begin Tests: T1 T2 T3  1225 1/1 usb_rcvr_ok_counter_d = RcvrWakeTimeWidth'(RcvrWakeTimeUs + 1); Tests: T7 T21 T8  1226 1/1 end else if (us_tick && (usb_rcvr_ok_counter_q > '0)) begin Tests: T1 T2 T3  1227 1/1 usb_rcvr_ok_counter_d = usb_rcvr_ok_counter_q - 1; Tests: T14 T213 T214  1228 end MISSING_ELSE 1229 end 1230 1231 always_ff @(posedge clk_i or negedge rst_n) begin 1232 1/1 if (!rst_n) begin Tests: T1 T2 T3  1233 1/1 usb_rcvr_ok_counter_q <= RcvrWakeTimeWidth'(RcvrWakeTimeUs + 1); Tests: T1 T2 T3  1234 end else begin 1235 1/1 usb_rcvr_ok_counter_q <= usb_rcvr_ok_counter_d; Tests: T1 T2 T3  1236 end 1237 end 1238 1239 ///////////////////////////////////////// 1240 // SOF Reference for Clock Calibration // 1241 ///////////////////////////////////////// 1242 1243 logic usb_ref_val_d, usb_ref_val_q; 1244 logic usb_ref_disable; 1245 1/1 assign usb_ref_disable = reg2hw.phy_config.usb_ref_disable.q; Tests: T1 T2 T3  1246 1247 // Directly forward the pulse unless disabled. 1248 1/1 assign usb_ref_pulse_o = usb_ref_disable ? 1'b0 : event_sof; Tests: T1 T2 T3  1249 1250 // The first pulse is always ignored, but causes the valid to be asserted. 1251 // The valid signal is deasserted when: 1252 // - The link is no longer active. 1253 // - The host is lost (no SOF for 4ms). 1254 // - The reference generation is disabled. 1255 1/1 assign usb_ref_val_d = usb_ref_pulse_o ? 1'b1 : Tests: T1 T2 T3  1256 (!link_active || host_lost || usb_ref_disable) ? 1'b0 : usb_ref_val_q; 1257 1258 always_ff @(posedge clk_i or negedge rst_n) begin 1259 1/1 if (!rst_n) begin Tests: T1 T2 T3  1260 1/1 usb_ref_val_q <= 1'b0; Tests: T1 T2 T3  1261 end else begin 1262 1/1 usb_ref_val_q <= usb_ref_val_d; Tests: T1 T2 T3  1263 end 1264 end 1265 1266 1/1 assign usb_ref_val_o = usb_ref_val_q; Tests: T1 T2 T3  1267 1268 ///////////////////////////////////////// 1269 // USB aon detector signaling // 1270 ///////////////////////////////////////// 1271 1/1 assign usb_aon_suspend_req_o = reg2hw.wake_control.suspend_req.qe & Tests: T1 T2 T3  1272 reg2hw.wake_control.suspend_req.q; 1273 1/1 assign usb_aon_wake_ack_o = reg2hw.wake_control.wake_ack.qe & Tests: T1 T2 T3  1274 reg2hw.wake_control.wake_ack.q; 1275 1276 ///////////////////////////////////////// 1277 // capture async event and debug info // 1278 ///////////////////////////////////////// 1279 1280 assign hw2reg.wake_events.module_active.de = 1'b1; 1281 1/1 assign hw2reg.wake_events.module_active.d = usb_aon_wake_detect_active_i; Tests: T7 T8 T9  1282 assign hw2reg.wake_events.bus_not_idle.de = 1'b1; 1283 1/1 assign hw2reg.wake_events.bus_not_idle.d = usb_aon_bus_not_idle_i; Tests: T8 T9 T11  1284 assign hw2reg.wake_events.disconnected.de = 1'b1; 1285 1/1 assign hw2reg.wake_events.disconnected.d = usb_aon_sense_lost_i; Tests: T7 T10 T13  1286 assign hw2reg.wake_events.bus_reset.de = 1'b1; 1287 1/1 assign hw2reg.wake_events.bus_reset.d = usb_aon_bus_reset_i; Tests: T8 T11 T14  1288 1289 ///////////////////////////////////// 1290 // Diagnostic/performance counters // 1291 ///////////////////////////////////// 1292 1293 // SW write strobes for the event enables of the counters. 1294 logic ctr_out_ev_qe; 1295 logic ctr_in_ev_qe; 1296 logic ctr_errors_ev_qe; 1297 0/1 ==> assign ctr_out_ev_qe = &{reg2hw.count_out.ign_avsetup.qe, 1298 reg2hw.count_out.drop_avout.qe, 1299 reg2hw.count_out.drop_rx.qe, 1300 reg2hw.count_out.datatog_out.qe}; 1301 0/1 ==> assign ctr_in_ev_qe = &{reg2hw.count_in.timeout.qe, 1302 reg2hw.count_in.nak.qe, 1303 reg2hw.count_in.nodata.qe}; 1304 0/1 ==> assign ctr_errors_ev_qe = &{reg2hw.count_errors.crc5.qe,

Cond Coverage for Instance : tb.dut
TotalCoveredPercent
Conditions12611692.06
Logical12611692.06
Non-Logical00
Event00

 LINE       167
 EXPRESSION (event_rx_crc5_err | event_rx_crc16_err)
             --------1--------   ---------2--------
-1--2-StatusTests
00CoveredT1,T2,T3
01CoveredT3,T37,T38
10CoveredT79,T83,T85

 LINE       220
 EXPRESSION (ns_cnt == 6'd47)
            --------1--------
-1-StatusTests
0CoveredT1,T2,T3
1CoveredT1,T2,T3

 LINE       257
 EXPRESSION (reg2hw.fifo_ctrl.avsetup_rst.qe & reg2hw.fifo_ctrl.avsetup_rst.q)
             ---------------1---------------   ---------------2--------------
-1--2-StatusTests
01CoveredT43,T44,T45
10CoveredT30,T44,T215
11CoveredT43,T44,T45

 LINE       258
 EXPRESSION (reg2hw.fifo_ctrl.avout_rst.qe & reg2hw.fifo_ctrl.avout_rst.q)
             --------------1--------------   --------------2-------------
-1--2-StatusTests
01CoveredT30,T43,T44
10CoveredT44,T215,T216
11CoveredT30,T43,T44

 LINE       259
 EXPRESSION (reg2hw.fifo_ctrl.rx_rst.qe & reg2hw.fifo_ctrl.rx_rst.q)
             -------------1------------   ------------2------------
-1--2-StatusTests
01CoveredT43,T45,T37
10CoveredT30,T44,T215
11CoveredT43,T45,T37

 LINE       263
 EXPRESSION (connect_en & ((~avsetup_rvalid)))
             -----1----   ---------2---------
-1--2-StatusTests
01CoveredT1,T2,T3
10CoveredT43,T44,T45
11CoveredT1,T2,T3

 LINE       264
 EXPRESSION (connect_en & ((~avout_rvalid)))
             -----1----   --------2--------
-1--2-StatusTests
01CoveredT1,T2,T3
10CoveredT1,T2,T3
11CoveredT1,T2,T3

 LINE       266
 EXPRESSION ((reg2hw.avsetupbuffer.qe & ((~avsetup_fifo_wready))) | (reg2hw.avoutbuffer.qe & ((~avout_fifo_wready))))
             --------------------------1-------------------------   ------------------------2-----------------------
-1--2-StatusTests
00CoveredT1,T2,T3
01CoveredT66,T23,T67
10Not Covered

 LINE       266
 SUB-EXPRESSION (reg2hw.avsetupbuffer.qe & ((~avsetup_fifo_wready)))
                 -----------1-----------   ------------2-----------
-1--2-StatusTests
01CoveredT1,T2,T3
10CoveredT43,T44,T45
11Not Covered

 LINE       266
 SUB-EXPRESSION (reg2hw.avoutbuffer.qe & ((~avout_fifo_wready)))
                 ----------1----------   -----------2----------
-1--2-StatusTests
01CoveredT1,T2,T3
10CoveredT1,T2,T3
11CoveredT66,T23,T67

 LINE       268
 EXPRESSION (connect_en & ((~rx_fifo_rvalid)))
             -----1----   ---------2---------
-1--2-StatusTests
01CoveredT1,T2,T3
10CoveredT1,T2,T30
11CoveredT1,T2,T3

 LINE       316
 EXPRESSION (reg2hw.rxfifo.ep.re | reg2hw.rxfifo.setup.re | reg2hw.rxfifo.size.re | reg2hw.rxfifo.buffer.re)
             ---------1---------   -----------2----------   ----------3----------   -----------4-----------
-1--2--3--4-StatusTestsExclude Annotation
0000CoveredT1,T2,T3
0001Excluded VC_COV_UNR
0010Excluded VC_COV_UNR
0100Excluded VC_COV_UNR
1000Excluded VC_COV_UNR

 LINE       327
 EXPRESSION (rx_wready & (rx_depth < 4'((RXFifoDepth - 1))))
             ----1----   -----------------2----------------
-1--2-StatusTests
01CoveredT1,T2,T3
10CoveredT37,T38,T75
11CoveredT1,T2,T3

 LINE       442
 EXPRESSION (in_xact_starting ? in_buf[in_xact_start_ep] : in_buf_q)
             --------1-------
-1-StatusTests
0CoveredT1,T2,T3
1CoveredT2,T29,T30

 LINE       443
 EXPRESSION (in_xact_starting ? in_size[in_xact_start_ep] : in_size_q)
             --------1-------
-1-StatusTests
0CoveredT1,T2,T3
1CoveredT2,T29,T30

 LINE       447
 EXPRESSION (reg2hw.out_data_toggle.status.qe & reg2hw.out_data_toggle.mask.qe)
             ----------------1---------------   ---------------2--------------
-1--2-StatusTestsExclude Annotation
01Excluded VC_COV_UNR
10Excluded VC_COV_UNR
11CoveredT29,T30,T37

 LINE       456
 EXPRESSION (reg2hw.in_data_toggle.status.qe & reg2hw.in_data_toggle.mask.qe)
             ---------------1---------------   --------------2--------------
-1--2-StatusTestsExclude Annotation
01Excluded VC_COV_UNR
10Excluded VC_COV_UNR
11CoveredT29,T30,T113

 LINE       465
 EXPRESSION (in_ep_xact_end && in_endpoint_val)
             -------1------    -------2-------
-1--2-StatusTests
01CoveredT1,T2,T3
10Unreachable
11CoveredT2,T29,T30

 LINE       493
 EXPRESSION (rx_wvalid && out_endpoint_val)
             ----1----    --------2-------
-1--2-StatusTests
01CoveredT1,T2,T3
10Unreachable
11CoveredT1,T2,T30

 LINE       512
 EXPRESSION (setup_received & out_endpoint_val)
             -------1------   --------2-------
-1--2-StatusTests
01CoveredT1,T2,T3
10Unreachable
11CoveredT91,T53,T54

 LINE       516
 EXPRESSION (in_ep_xact_end & in_endpoint_val)
             -------1------   -------2-------
-1--2-StatusTests
01CoveredT1,T2,T3
10Unreachable
11CoveredT2,T29,T30

 LINE       542
 EXPRESSION (reg2hw.configin[i].rdy.q | reg2hw.configin[i].pend.q)
             ------------1-----------   ------------2------------
-1--2-StatusTests
00CoveredT1,T2,T3
01CoveredT91,T17,T189
10CoveredT2,T29,T30

 LINE       550
 EXPRESSION (set_sending[i] | set_sentbit[i] | update_pend[i])
             -------1------   -------2------   -------3------
-1--2--3-StatusTests
000CoveredT1,T2,T3
001CoveredT1,T2,T3
010CoveredT2,T29,T30
100CoveredT2,T29,T30

 LINE       551
 EXPRESSION (((~set_sentbit[i])) & ((~update_pend[i])))
             ---------1---------   ---------2---------
-1--2-StatusTests
01CoveredT2,T29,T30
10CoveredT1,T2,T3
11CoveredT1,T2,T3

 LINE       560
 EXPRESSION (cfg_pinflip ? 1'b0 : usb_pullup_en)
             -----1-----
-1-StatusTests
0CoveredT1,T2,T3
1CoveredT54,T9,T10

 LINE       561
 EXPRESSION (((!cfg_pinflip)) ? 1'b0 : usb_pullup_en)
             --------1-------
-1-StatusTests
0CoveredT54,T9,T10
1CoveredT1,T2,T3

 LINE       688
 EXPRESSION (reg2hw.usbctrl.resume_link_active.qe & reg2hw.usbctrl.resume_link_active.q)
             ------------------1-----------------   -----------------2-----------------
-1--2-StatusTests
01CoveredT99,T100,T101
10CoveredT1,T2,T3
11CoveredT99,T100,T101

 LINE       800
 EXPRESSION (usb_mem_b_req | sw_mem_a_req)
             ------1------   ------2-----
-1--2-StatusTests
00CoveredT1,T2,T3
01CoveredT2,T30,T43
10CoveredT1,T2,T29

 LINE       801
 EXPRESSION (usb_mem_b_req ? usb_mem_b_write : sw_mem_a_write)
             ------1------
-1-StatusTests
0CoveredT1,T2,T3
1CoveredT1,T2,T29

 LINE       802
 EXPRESSION (usb_mem_b_req ? usb_mem_b_addr : sw_mem_a_addr)
             ------1------
-1-StatusTests
0CoveredT1,T2,T3
1CoveredT1,T2,T29

 LINE       803
 EXPRESSION (usb_mem_b_req ? usb_mem_b_wdata : sw_mem_a_wdata)
             ------1------
-1-StatusTests
0CoveredT1,T2,T3
1CoveredT1,T2,T29

 LINE       826
 EXPRESSION (usb_mem_b_req & ((!usb_mem_b_write)))
             ------1------   ----------2---------
-1--2-StatusTests
01CoveredT1,T2,T3
10CoveredT1,T2,T30
11CoveredT2,T29,T30

 LINE       834
 EXPRESSION (gen_no_stubbed_memory.mem_rvalid & ((!gen_no_stubbed_memory.mem_rsteering)))
             ----------------1---------------   --------------------2-------------------
-1--2-StatusTests
01CoveredT1,T2,T3
10CoveredT2,T29,T30
11CoveredT2,T30,T31

 LINE       839
 EXPRESSION (gen_no_stubbed_memory.mem_b_read_q ? gen_no_stubbed_memory.mem_rdata : gen_no_stubbed_memory.mem_b_rdata_q)
             -----------------1----------------
-1-StatusTests
0CoveredT1,T2,T3
1CoveredT2,T29,T30

 LINE       902
 SUB-EXPRESSION (reg2hw.alert_test.q & reg2hw.alert_test.qe)
                 ---------1---------   ----------2---------
-1--2-StatusTests
01CoveredT217,T218,T219
10CoveredT1,T2,T3
11CoveredT217,T218,T219

 LINE       1211
 EXPRESSION (use_diff_rcvr & ((~link_suspend)))
             ------1------   --------2--------
-1--2-StatusTests
01CoveredT1,T2,T3
10CoveredT7,T21,T8
11CoveredT1,T2,T3

 LINE       1220
 EXPRESSION (usb_rcvr_ok_counter_q == '0)
            --------------1--------------
-1-StatusTests
0CoveredT1,T2,T3
1CoveredT1,T2,T3

 LINE       1224
 EXPRESSION (use_diff_rcvr & ((!usb_rx_enable_o)))
             ------1------   ----------2---------
-1--2-StatusTests
01CoveredT1,T2,T3
10CoveredT1,T2,T3
11CoveredT7,T21,T8

 LINE       1226
 EXPRESSION (us_tick && (usb_rcvr_ok_counter_q > '0))
             ---1---    --------------2-------------
-1--2-StatusTests
01CoveredT1,T2,T3
10CoveredT1,T2,T3
11CoveredT14,T213,T214

 LINE       1248
 EXPRESSION (usb_ref_disable ? 1'b0 : event_sof)
             -------1-------
-1-StatusTests
0CoveredT1,T2,T3
1CoveredT65,T220,T221

 LINE       1255
 EXPRESSION (usb_ref_pulse_o ? 1'b1 : ((((!link_active)) || host_lost || usb_ref_disable) ? 1'b0 : usb_ref_val_q))
             -------1-------
-1-StatusTests
0CoveredT1,T2,T3
1CoveredT42,T65,T7

 LINE       1255
 SUB-EXPRESSION ((((!link_active)) || host_lost || usb_ref_disable) ? 1'b0 : usb_ref_val_q)
                 -------------------------1------------------------
-1-StatusTests
0CoveredT1,T2,T3
1CoveredT1,T2,T3

 LINE       1255
 SUB-EXPRESSION (((!link_active)) || host_lost || usb_ref_disable)
                 --------1-------    ----2----    -------3-------
-1--2--3-StatusTests
000CoveredT1,T2,T3
001CoveredT65,T220,T221
010CoveredT22,T70,T71
100CoveredT1,T2,T3

 LINE       1271
 EXPRESSION (reg2hw.wake_control.suspend_req.qe & reg2hw.wake_control.suspend_req.q)
             -----------------1----------------   ----------------2----------------
-1--2-StatusTests
01CoveredT7,T8,T9
10CoveredT7,T8,T9
11CoveredT7,T8,T9

 LINE       1273
 EXPRESSION (reg2hw.wake_control.wake_ack.qe & reg2hw.wake_control.wake_ack.q)
             ---------------1---------------   ---------------2--------------
-1--2-StatusTests
01CoveredT7,T8,T9
10CoveredT7,T8,T9
11CoveredT7,T8,T9

 LINE       1310
 EXPRESSION (reg2hw.count_out.rst.qe & reg2hw.count_out.rst.q)
             -----------1-----------   -----------2----------
-1--2-StatusTests
01CoveredT1,T2,T3
10Not Covered
11Not Covered

 LINE       1336
 EXPRESSION (reg2hw.count_in.rst.qe & reg2hw.count_in.rst.q)
             -----------1----------   ----------2----------
-1--2-StatusTests
01CoveredT1,T2,T3
10Not Covered
11Not Covered

 LINE       1359
 EXPRESSION (reg2hw.count_nodata_in.rst.qe & reg2hw.count_nodata_in.rst.q)
             --------------1--------------   --------------2-------------
-1--2-StatusTests
01CoveredT1,T2,T3
10Not Covered
11Not Covered

 LINE       1376
 EXPRESSION (reg2hw.count_errors.rst.qe & reg2hw.count_errors.rst.q)
             -------------1------------   ------------2------------
-1--2-StatusTests
01CoveredT1,T2,T3
10Not Covered
11Not Covered

Toggle Coverage for Instance : tb.dut
TotalCoveredPercent
Totals 74 68 91.89
Total Bits 440 416 94.55
Total Bits 0->1 220 208 94.55
Total Bits 1->0 220 208 94.55

Ports 74 68 91.89
Port Bits 440 416 94.55
Port Bits 0->1 220 208 94.55
Port Bits 1->0 220 208 94.55

Port Details
NameToggleToggle 1->0TestsToggle 0->1TestsDirection
clk_i Yes Yes T1,T2,T3 Yes T1,T2,T3 INPUT
rst_ni Yes Yes T24,T106,T222 Yes T1,T2,T3 INPUT
clk_aon_i Yes Yes T1,T2,T3 Yes T1,T2,T3 INPUT
rst_aon_ni Yes Yes T24,T106,T222 Yes T1,T2,T3 INPUT
tl_i.d_ready Yes Yes T1,T42,T31 Yes T1,T2,T3 INPUT
tl_i.a_user.data_intg[6:0] Yes Yes T1,T2,T3 Yes T1,T2,T3 INPUT
tl_i.a_user.cmd_intg[6:0] Yes Yes T1,T2,T3 Yes T1,T2,T3 INPUT
tl_i.a_user.instr_type[3:0] Yes Yes T3,T32,T66 Yes T3,T32,T66 INPUT
tl_i.a_user.rsvd[4:0] Unreachable Unreachable Unreachable INPUT
tl_i.a_data[31:0] Yes Yes T1,T2,T3 Yes T1,T2,T3 INPUT
tl_i.a_mask[3:0] Yes Yes T1,T3,T41 Yes T1,T3,T41 INPUT
tl_i.a_address[31:0] Yes Yes T3,T41,T30 Yes T3,T41,T42 INPUT
tl_i.a_source[7:0] Yes Yes T1,T2,T3 Yes T1,T2,T3 INPUT
tl_i.a_size[1:0] Yes Yes T1,T2,T3 Yes T1,T2,T3 INPUT
tl_i.a_param[2:0] Unreachable Unreachable Unreachable INPUT
tl_i.a_opcode[2:0] Yes Yes T1,T2,T3 Yes T1,T2,T3 INPUT
tl_i.a_valid Yes Yes T1,T2,T3 Yes T1,T2,T3 INPUT
tl_o.a_ready Yes Yes T1,T2,T3 Yes T1,T2,T3 OUTPUT
tl_o.d_error Yes Yes T223,T224,T225 Yes T223,T224,T225 OUTPUT
tl_o.d_user.data_intg[6:0] Yes Yes T1,T2,T3 Yes T1,T2,T3 OUTPUT
tl_o.d_user.rsp_intg[5:0] Yes Yes *T1,*T2,*T3 Yes T1,T2,T29 OUTPUT
tl_o.d_user.rsp_intg[6] Unreachable Unreachable Unreachable OUTPUT
tl_o.d_data[31:0] Yes Yes T1,T2,T3 Yes T1,T2,T41 OUTPUT
tl_o.d_sink Unreachable Unreachable Unreachable OUTPUT
tl_o.d_source[7:0] Yes Yes T1,T2,T3 Yes T1,T2,T3 OUTPUT
tl_o.d_size[1:0] Yes Yes T1,T2,T3 Yes T1,T2,T3 OUTPUT
tl_o.d_param[2:0] Unreachable Unreachable Unreachable OUTPUT
tl_o.d_opcode[0] Yes Yes *T1,*T2,*T3 Yes T1,T2,T3 OUTPUT
tl_o.d_opcode[2:1] Unreachable Unreachable Unreachable OUTPUT
tl_o.d_valid Yes Yes T1,T2,T3 Yes T1,T2,T3 OUTPUT
alert_rx_i[0].ack_n Yes Yes T1,T2,T3 Yes T1,T2,T3 INPUT
alert_rx_i[0].ack_p Yes Yes T24,T217,T218 Yes T24,T217,T218 INPUT
alert_rx_i[0].ping_n Unreachable Unreachable Unreachable INPUT
alert_rx_i[0].ping_p Unreachable Unreachable Unreachable INPUT
alert_tx_o[0].alert_n Yes Yes T1,T2,T3 Yes T1,T2,T3 OUTPUT
alert_tx_o[0].alert_p Yes Yes T24,T217,T218 Yes T24,T217,T218 OUTPUT
cio_usb_dp_i Yes Yes T1,T2,T3 Yes T1,T2,T3 INPUT
cio_usb_dn_i Yes Yes T1,T2,T3 Yes T1,T2,T3 INPUT
usb_rx_d_i Yes Yes T1,T2,T3 Yes T1,T2,T3 INPUT
cio_usb_dp_o Yes Yes T1,T2,T29 Yes T1,T2,T29 OUTPUT
cio_usb_dp_en_o Yes Yes T1,T2,T29 Yes T1,T2,T29 OUTPUT
cio_usb_dn_o Yes Yes T1,T2,T29 Yes T1,T2,T29 OUTPUT
cio_usb_dn_en_o Yes Yes T1,T2,T29 Yes T1,T2,T29 OUTPUT
usb_tx_se0_o Yes Yes T1,T2,T29 Yes T1,T2,T29 OUTPUT
usb_tx_d_o Yes Yes T1,T2,T29 Yes T1,T2,T29 OUTPUT
cio_sense_i Yes Yes T42,T7,T21 Yes T1,T2,T3 INPUT
usb_dp_pullup_o Yes Yes T42,T7,T21 Yes T1,T2,T3 OUTPUT
usb_dn_pullup_o Yes Yes T9,T10,T14 Yes T54,T9,T10 OUTPUT
usb_rx_enable_o Yes Yes T7,T21,T106 Yes T1,T2,T3 OUTPUT
usb_tx_use_d_se0_o Yes Yes T222,T226,T227 Yes T93,T222,T173 OUTPUT
usb_aon_suspend_req_o Yes Yes T7,T8,T9 Yes T7,T8,T9 OUTPUT
usb_aon_wake_ack_o Yes Yes T7,T8,T9 Yes T7,T8,T9 OUTPUT
usb_aon_bus_reset_i Yes Yes T8,T11,T14 Yes T8,T11,T14 INPUT
usb_aon_sense_lost_i Yes Yes T7,T10,T13 Yes T7,T10,T13 INPUT
usb_aon_bus_not_idle_i Yes Yes T8,T9,T11 Yes T8,T9,T11 INPUT
usb_aon_wake_detect_active_i Yes Yes T7,T8,T9 Yes T7,T8,T9 INPUT
usb_ref_val_o Yes Yes T42,T65,T7 Yes T42,T65,T7 OUTPUT
usb_ref_pulse_o Yes Yes T42,T65,T7 Yes T42,T65,T7 OUTPUT
ram_cfg_i.rf_cfg.cfg[3:0] No No No INPUT
ram_cfg_i.rf_cfg.cfg_en No No No INPUT
ram_cfg_i.rf_cfg.test No No No INPUT
ram_cfg_i.ram_cfg.cfg[3:0] No No No INPUT
ram_cfg_i.ram_cfg.cfg_en No No No INPUT
ram_cfg_i.ram_cfg.test No No No INPUT
intr_pkt_received_o Yes Yes T53,T54,T55 Yes T53,T54,T55 OUTPUT
intr_pkt_sent_o Yes Yes T2,T31,T33 Yes T2,T31,T33 OUTPUT
intr_powered_o Yes Yes T228,T229,T230 Yes T228,T229,T230 OUTPUT
intr_disconnected_o Yes Yes T42,T68,T69 Yes T42,T68,T69 OUTPUT
intr_host_lost_o Yes Yes T22,T228,T231 Yes T22,T228,T231 OUTPUT
intr_link_reset_o Yes Yes T52,T228,T232 Yes T52,T228,T232 OUTPUT
intr_link_suspend_o Yes Yes T228,T229,T232 Yes T228,T229,T232 OUTPUT
intr_link_resume_o Yes Yes T72,T73,T74 Yes T72,T73,T74 OUTPUT
intr_av_out_empty_o Yes Yes T1,T56,T57 Yes T1,T56,T57 OUTPUT
intr_rx_full_o Yes Yes T58,T61,T63 Yes T58,T61,T63 OUTPUT
intr_av_overflow_o Yes Yes T66,T23,T67 Yes T66,T23,T67 OUTPUT
intr_link_in_err_o Yes Yes T229,T232,T231 Yes T229,T232,T231 OUTPUT
intr_link_out_err_o Yes Yes T37,T38,T75 Yes T37,T38,T75 OUTPUT
intr_rx_crc_err_o Yes Yes T78,T79,T80 Yes T78,T79,T80 OUTPUT
intr_rx_pid_err_o Yes Yes T81,T82,T84 Yes T81,T82,T84 OUTPUT
intr_rx_bitstuff_err_o Yes Yes T3,T87,T88 Yes T3,T87,T88 OUTPUT
intr_frame_o Yes Yes T228,T231,T230 Yes T228,T231,T230 OUTPUT
intr_av_setup_empty_o Yes Yes T64,T228,T229 Yes T64,T228,T229 OUTPUT

*Tests covering at least one bit in the range

Branch Coverage for Instance : tb.dut
Line No.TotalCoveredPercent
Branches 48 48 100.00
TERNARY 442 2 2 100.00
TERNARY 443 2 2 100.00
TERNARY 560 2 2 100.00
TERNARY 561 2 2 100.00
TERNARY 1248 2 2 100.00
TERNARY 1255 3 3 100.00
TERNARY 801 2 2 100.00
TERNARY 802 2 2 100.00
TERNARY 803 2 2 100.00
TERNARY 839 2 2 100.00
IF 222 3 3 100.00
IF 434 2 2 100.00
IF 465 2 2 100.00
IF 493 2 2 100.00
IF 508 4 4 100.00
IF 526 2 2 100.00
IF 718 2 2 100.00
IF 1224 3 3 100.00
IF 1232 2 2 100.00
IF 1259 2 2 100.00
IF 820 3 3 100.00


442 assign in_buf_d = in_xact_starting ? in_buf[in_xact_start_ep] : in_buf_q; -1- ==> ==>

Branches:
-1-StatusTests
1 Covered T2,T29,T30
0 Covered T1,T2,T3


443 assign in_size_d = in_xact_starting ? in_size[in_xact_start_ep] : in_size_q; -1- ==> ==>

Branches:
-1-StatusTests
1 Covered T2,T29,T30
0 Covered T1,T2,T3


560 assign usb_dp_pullup_en = cfg_pinflip ? 1'b0 : usb_pullup_en; -1- ==> ==>

Branches:
-1-StatusTests
1 Covered T54,T9,T10
0 Covered T1,T2,T3


561 assign usb_dn_pullup_en = !cfg_pinflip ? 1'b0 : usb_pullup_en; -1- ==> ==>

Branches:
-1-StatusTests
1 Covered T1,T2,T3
0 Covered T54,T9,T10


1248 assign usb_ref_pulse_o = usb_ref_disable ? 1'b0 : event_sof; -1- ==> ==>

Branches:
-1-StatusTests
1 Covered T65,T220,T221
0 Covered T1,T2,T3


1255 assign usb_ref_val_d = usb_ref_pulse_o ? 1'b1 : -1- ==> 1256 (!link_active || host_lost || usb_ref_disable) ? 1'b0 : usb_ref_val_q; -2- ==> ==>

Branches:
-1--2-StatusTests
1 - Covered T42,T65,T7
0 1 Covered T1,T2,T3
0 0 Covered T1,T2,T3


801 assign mem_write = usb_mem_b_req ? usb_mem_b_write : sw_mem_a_write; -1- ==> ==>

Branches:
-1-StatusTests
1 Covered T1,T2,T29
0 Covered T1,T2,T3


802 assign mem_addr = usb_mem_b_req ? usb_mem_b_addr : sw_mem_a_addr; -1- ==> ==>

Branches:
-1-StatusTests
1 Covered T1,T2,T29
0 Covered T1,T2,T3


803 assign mem_wdata = usb_mem_b_req ? usb_mem_b_wdata : sw_mem_a_wdata; -1- ==> ==>

Branches:
-1-StatusTests
1 Covered T1,T2,T29
0 Covered T1,T2,T3


839 assign usb_mem_b_rdata = mem_b_read_q ? mem_rdata : mem_b_rdata_q; -1- ==> ==>

Branches:
-1-StatusTests
1 Covered T2,T29,T30
0 Covered T1,T2,T3


222 if (!rst_n) begin -1- 223 ns_cnt <= '0; ==> 224 end else begin 225 if (us_tick) begin -2- 226 ns_cnt <= '0; ==> 227 end else begin 228 ns_cnt <= ns_cnt + 1'b1; ==>

Branches:
-1--2-StatusTests
1 - Covered T1,T2,T3
0 1 Covered T1,T2,T3
0 0 Covered T1,T2,T3


434 if (!rst_n) begin -1- 435 in_buf_q <= '0; ==> 436 in_size_q <= '0; 437 end else begin 438 in_buf_q <= in_buf_d; ==>

Branches:
-1-StatusTests
1 Covered T1,T2,T3
0 Covered T1,T2,T3


465 if (in_ep_xact_end && in_endpoint_val) begin -1- 466 set_sentbit[in_endpoint] = 1'b1; ==> 467 end MISSING_ELSE ==>

Branches:
-1-StatusTests
1 Covered T2,T29,T30
0 Covered T1,T2,T3


493 if (rx_wvalid && out_endpoint_val) begin -1- 494 clear_rxenable_out[out_endpoint] = ep_set_nak_on_out[out_endpoint]; ==> 495 end MISSING_ELSE ==>

Branches:
-1-StatusTests
1 Covered T1,T2,T30
0 Covered T1,T2,T3


508 if (event_link_reset) begin -1- 509 clear_rdybit = {NEndpoints{1'b1}}; ==> 510 update_pend = {NEndpoints{1'b1}}; 511 end else begin 512 if (setup_received & out_endpoint_val) begin -2- 513 // Clear pending when a SETUP is received 514 clear_rdybit[out_endpoint] = 1'b1; ==> 515 update_pend[out_endpoint] = 1'b1; 516 end else if (in_ep_xact_end & in_endpoint_val) begin -3- 517 // Clear rdy and sending when an IN transmission was successful 518 clear_rdybit[in_endpoint] = 1'b1; ==> 519 end MISSING_ELSE ==>

Branches:
-1--2--3-StatusTests
1 - - Covered T1,T2,T3
0 1 - Covered T91,T53,T54
0 0 1 Covered T2,T29,T30
0 0 0 Covered T1,T2,T3


526 if (in_xact_starting) set_sending[in_xact_start_ep] = 1'b1; -1- ==> MISSING_ELSE ==>

Branches:
-1-StatusTests
1 Covered T2,T29,T30
0 Covered T1,T2,T3


718 if (setup_received && out_endpoint_val && out_endpoint == 4'(unsigned'(i))) begin -1- 719 hw2reg.out_stall[i].de = 1'b1; ==> 720 hw2reg.in_stall[i].de = 1'b1; 721 end else begin 722 hw2reg.out_stall[i].de = 1'b0; ==>

Branches:
-1-StatusTests
1 Covered T91,T53,T54
0 Covered T1,T2,T3


1224 if (use_diff_rcvr & !usb_rx_enable_o) begin -1- 1225 usb_rcvr_ok_counter_d = RcvrWakeTimeWidth'(RcvrWakeTimeUs + 1); ==> 1226 end else if (us_tick && (usb_rcvr_ok_counter_q > '0)) begin -2- 1227 usb_rcvr_ok_counter_d = usb_rcvr_ok_counter_q - 1; ==> 1228 end MISSING_ELSE ==>

Branches:
-1--2-StatusTests
1 - Covered T7,T21,T8
0 1 Covered T14,T213,T214
0 0 Covered T1,T2,T3


1232 if (!rst_n) begin -1- 1233 usb_rcvr_ok_counter_q <= RcvrWakeTimeWidth'(RcvrWakeTimeUs + 1); ==> 1234 end else begin 1235 usb_rcvr_ok_counter_q <= usb_rcvr_ok_counter_d; ==>

Branches:
-1-StatusTests
1 Covered T1,T2,T3
0 Covered T1,T2,T3


1259 if (!rst_n) begin -1- 1260 usb_ref_val_q <= 1'b0; ==> 1261 end else begin 1262 usb_ref_val_q <= usb_ref_val_d; ==>

Branches:
-1-StatusTests
1 Covered T1,T2,T3
0 Covered T1,T2,T3


820 if (!rst_ni) begin -1- 821 mem_rsteering <= 1'b0; ==> 822 mem_b_read_q <= 1'b0; 823 mem_b_rdata_q <= {SramDw{1'b0}}; 824 end else begin 825 mem_rsteering <= usb_mem_b_req; 826 mem_b_read_q <= usb_mem_b_req & !usb_mem_b_write; 827 // Capture the `usb` read data. 828 if (mem_b_read_q) -2- 829 mem_b_rdata_q <= mem_rdata; ==> MISSING_ELSE ==>

Branches:
-1--2-StatusTests
1 - Covered T1,T2,T3
0 1 Covered T2,T29,T30
0 0 Covered T1,T2,T3


Assert Coverage for Instance : tb.dut
TotalAttemptedPercentSucceeded/MatchedPercent
Assertions 35 35 100.00 35 100.00
Cover properties 0 0 0
Cover sequences 0 0 0
Total 35 35 100.00 35 100.00




Assertion Details

NameAttemptsReal SuccessesFailuresIncomplete
AlertsKnown_A 577515346 577231599 0 0
CIODnEnKnown_A 577515346 577231599 0 0
CIODnKnown_A 577515346 577231599 0 0
CIODpEnKnown_A 577515346 577231599 0 0
CIODpKnown_A 577515346 577231599 0 0
FpvSecCmRegWeOnehotCheck_A 577515346 100 0 0
TlOAReadyKnown_A 577515346 577231599 0 0
TlODValidKnown_A 577515346 577231599 0 0
USBAonSuspendReqKnown_A 577515346 577231599 0 0
USBAonWakeAckKnown_A 577515346 577231599 0 0
USBDnPUKnown_A 577515346 577231599 0 0
USBDpPUKnown_A 577515346 577231599 0 0
USBIntrAvOutEmptyKnown_A 577515346 577231599 0 0
USBIntrAvOverKnown_A 577515346 577231599 0 0
USBIntrAvSetupEmptyKnown_A 577515346 577231599 0 0
USBIntrDisConKnown_A 577515346 577231599 0 0
USBIntrFrameKnown_A 577515346 577231599 0 0
USBIntrHostLostKnown_A 577515346 577231599 0 0
USBIntrLinkInErrKnown_A 577515346 577231599 0 0
USBIntrLinkOutErrKnown_A 577515346 577231599 0 0
USBIntrLinkResKnown_A 577515346 577231599 0 0
USBIntrLinkRstKnown_A 577515346 577231599 0 0
USBIntrLinkSusKnown_A 577515346 577231599 0 0
USBIntrPktRcvdKnown_A 577515346 577231599 0 0
USBIntrPktSentKnown_A 577515346 577231599 0 0
USBIntrPwrdKnown_A 577515346 577231599 0 0
USBIntrRxBitstuffErrKnown_A 577515346 577231599 0 0
USBIntrRxCrCErrKnown_A 577515346 577231599 0 0
USBIntrRxFullKnown_A 577515346 577231599 0 0
USBIntrRxPidErrKnown_A 577515346 577231599 0 0
USBRefPulseKnown_A 577515346 577231599 0 0
USBRefValKnown_A 577515346 577231599 0 0
USBRxEnableKnown_A 577515346 577231599 0 0
USBTxDKnown_A 577515346 577231599 0 0
USBTxSe0Known_A 577515346 577231599 0 0


AlertsKnown_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 577515346 577231599 0 0
T1 7764 7699 0 0
T2 8970 8894 0 0
T3 6768 6676 0 0
T29 8730 8638 0 0
T30 30090 30028 0 0
T41 1660 1571 0 0
T42 7641 7565 0 0
T43 23138 23066 0 0
T44 8318 8254 0 0
T45 25309 25235 0 0

CIODnEnKnown_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 577515346 577231599 0 0
T1 7764 7699 0 0
T2 8970 8894 0 0
T3 6768 6676 0 0
T29 8730 8638 0 0
T30 30090 30028 0 0
T41 1660 1571 0 0
T42 7641 7565 0 0
T43 23138 23066 0 0
T44 8318 8254 0 0
T45 25309 25235 0 0

CIODnKnown_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 577515346 577231599 0 0
T1 7764 7699 0 0
T2 8970 8894 0 0
T3 6768 6676 0 0
T29 8730 8638 0 0
T30 30090 30028 0 0
T41 1660 1571 0 0
T42 7641 7565 0 0
T43 23138 23066 0 0
T44 8318 8254 0 0
T45 25309 25235 0 0

CIODpEnKnown_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 577515346 577231599 0 0
T1 7764 7699 0 0
T2 8970 8894 0 0
T3 6768 6676 0 0
T29 8730 8638 0 0
T30 30090 30028 0 0
T41 1660 1571 0 0
T42 7641 7565 0 0
T43 23138 23066 0 0
T44 8318 8254 0 0
T45 25309 25235 0 0

CIODpKnown_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 577515346 577231599 0 0
T1 7764 7699 0 0
T2 8970 8894 0 0
T3 6768 6676 0 0
T29 8730 8638 0 0
T30 30090 30028 0 0
T41 1660 1571 0 0
T42 7641 7565 0 0
T43 23138 23066 0 0
T44 8318 8254 0 0
T45 25309 25235 0 0

FpvSecCmRegWeOnehotCheck_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 577515346 100 0 0
T8 101961 0 0 0
T24 22601 20 0 0
T25 7506 0 0 0
T56 7421 0 0 0
T87 7296 0 0 0
T98 60682 0 0 0
T106 32832 0 0 0
T217 2407 0 0 0
T233 0 20 0 0
T234 0 20 0 0
T235 0 20 0 0
T236 0 20 0 0
T237 11199 0 0 0
T238 8126 0 0 0

TlOAReadyKnown_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 577515346 577231599 0 0
T1 7764 7699 0 0
T2 8970 8894 0 0
T3 6768 6676 0 0
T29 8730 8638 0 0
T30 30090 30028 0 0
T41 1660 1571 0 0
T42 7641 7565 0 0
T43 23138 23066 0 0
T44 8318 8254 0 0
T45 25309 25235 0 0

TlODValidKnown_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 577515346 577231599 0 0
T1 7764 7699 0 0
T2 8970 8894 0 0
T3 6768 6676 0 0
T29 8730 8638 0 0
T30 30090 30028 0 0
T41 1660 1571 0 0
T42 7641 7565 0 0
T43 23138 23066 0 0
T44 8318 8254 0 0
T45 25309 25235 0 0

USBAonSuspendReqKnown_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 577515346 577231599 0 0
T1 7764 7699 0 0
T2 8970 8894 0 0
T3 6768 6676 0 0
T29 8730 8638 0 0
T30 30090 30028 0 0
T41 1660 1571 0 0
T42 7641 7565 0 0
T43 23138 23066 0 0
T44 8318 8254 0 0
T45 25309 25235 0 0

USBAonWakeAckKnown_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 577515346 577231599 0 0
T1 7764 7699 0 0
T2 8970 8894 0 0
T3 6768 6676 0 0
T29 8730 8638 0 0
T30 30090 30028 0 0
T41 1660 1571 0 0
T42 7641 7565 0 0
T43 23138 23066 0 0
T44 8318 8254 0 0
T45 25309 25235 0 0

USBDnPUKnown_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 577515346 577231599 0 0
T1 7764 7699 0 0
T2 8970 8894 0 0
T3 6768 6676 0 0
T29 8730 8638 0 0
T30 30090 30028 0 0
T41 1660 1571 0 0
T42 7641 7565 0 0
T43 23138 23066 0 0
T44 8318 8254 0 0
T45 25309 25235 0 0

USBDpPUKnown_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 577515346 577231599 0 0
T1 7764 7699 0 0
T2 8970 8894 0 0
T3 6768 6676 0 0
T29 8730 8638 0 0
T30 30090 30028 0 0
T41 1660 1571 0 0
T42 7641 7565 0 0
T43 23138 23066 0 0
T44 8318 8254 0 0
T45 25309 25235 0 0

USBIntrAvOutEmptyKnown_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 577515346 577231599 0 0
T1 7764 7699 0 0
T2 8970 8894 0 0
T3 6768 6676 0 0
T29 8730 8638 0 0
T30 30090 30028 0 0
T41 1660 1571 0 0
T42 7641 7565 0 0
T43 23138 23066 0 0
T44 8318 8254 0 0
T45 25309 25235 0 0

USBIntrAvOverKnown_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 577515346 577231599 0 0
T1 7764 7699 0 0
T2 8970 8894 0 0
T3 6768 6676 0 0
T29 8730 8638 0 0
T30 30090 30028 0 0
T41 1660 1571 0 0
T42 7641 7565 0 0
T43 23138 23066 0 0
T44 8318 8254 0 0
T45 25309 25235 0 0

USBIntrAvSetupEmptyKnown_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 577515346 577231599 0 0
T1 7764 7699 0 0
T2 8970 8894 0 0
T3 6768 6676 0 0
T29 8730 8638 0 0
T30 30090 30028 0 0
T41 1660 1571 0 0
T42 7641 7565 0 0
T43 23138 23066 0 0
T44 8318 8254 0 0
T45 25309 25235 0 0

USBIntrDisConKnown_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 577515346 577231599 0 0
T1 7764 7699 0 0
T2 8970 8894 0 0
T3 6768 6676 0 0
T29 8730 8638 0 0
T30 30090 30028 0 0
T41 1660 1571 0 0
T42 7641 7565 0 0
T43 23138 23066 0 0
T44 8318 8254 0 0
T45 25309 25235 0 0

USBIntrFrameKnown_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 577515346 577231599 0 0
T1 7764 7699 0 0
T2 8970 8894 0 0
T3 6768 6676 0 0
T29 8730 8638 0 0
T30 30090 30028 0 0
T41 1660 1571 0 0
T42 7641 7565 0 0
T43 23138 23066 0 0
T44 8318 8254 0 0
T45 25309 25235 0 0

USBIntrHostLostKnown_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 577515346 577231599 0 0
T1 7764 7699 0 0
T2 8970 8894 0 0
T3 6768 6676 0 0
T29 8730 8638 0 0
T30 30090 30028 0 0
T41 1660 1571 0 0
T42 7641 7565 0 0
T43 23138 23066 0 0
T44 8318 8254 0 0
T45 25309 25235 0 0

USBIntrLinkInErrKnown_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 577515346 577231599 0 0
T1 7764 7699 0 0
T2 8970 8894 0 0
T3 6768 6676 0 0
T29 8730 8638 0 0
T30 30090 30028 0 0
T41 1660 1571 0 0
T42 7641 7565 0 0
T43 23138 23066 0 0
T44 8318 8254 0 0
T45 25309 25235 0 0

USBIntrLinkOutErrKnown_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 577515346 577231599 0 0
T1 7764 7699 0 0
T2 8970 8894 0 0
T3 6768 6676 0 0
T29 8730 8638 0 0
T30 30090 30028 0 0
T41 1660 1571 0 0
T42 7641 7565 0 0
T43 23138 23066 0 0
T44 8318 8254 0 0
T45 25309 25235 0 0

USBIntrLinkResKnown_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 577515346 577231599 0 0
T1 7764 7699 0 0
T2 8970 8894 0 0
T3 6768 6676 0 0
T29 8730 8638 0 0
T30 30090 30028 0 0
T41 1660 1571 0 0
T42 7641 7565 0 0
T43 23138 23066 0 0
T44 8318 8254 0 0
T45 25309 25235 0 0

USBIntrLinkRstKnown_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 577515346 577231599 0 0
T1 7764 7699 0 0
T2 8970 8894 0 0
T3 6768 6676 0 0
T29 8730 8638 0 0
T30 30090 30028 0 0
T41 1660 1571 0 0
T42 7641 7565 0 0
T43 23138 23066 0 0
T44 8318 8254 0 0
T45 25309 25235 0 0

USBIntrLinkSusKnown_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 577515346 577231599 0 0
T1 7764 7699 0 0
T2 8970 8894 0 0
T3 6768 6676 0 0
T29 8730 8638 0 0
T30 30090 30028 0 0
T41 1660 1571 0 0
T42 7641 7565 0 0
T43 23138 23066 0 0
T44 8318 8254 0 0
T45 25309 25235 0 0

USBIntrPktRcvdKnown_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 577515346 577231599 0 0
T1 7764 7699 0 0
T2 8970 8894 0 0
T3 6768 6676 0 0
T29 8730 8638 0 0
T30 30090 30028 0 0
T41 1660 1571 0 0
T42 7641 7565 0 0
T43 23138 23066 0 0
T44 8318 8254 0 0
T45 25309 25235 0 0

USBIntrPktSentKnown_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 577515346 577231599 0 0
T1 7764 7699 0 0
T2 8970 8894 0 0
T3 6768 6676 0 0
T29 8730 8638 0 0
T30 30090 30028 0 0
T41 1660 1571 0 0
T42 7641 7565 0 0
T43 23138 23066 0 0
T44 8318 8254 0 0
T45 25309 25235 0 0

USBIntrPwrdKnown_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 577515346 577231599 0 0
T1 7764 7699 0 0
T2 8970 8894 0 0
T3 6768 6676 0 0
T29 8730 8638 0 0
T30 30090 30028 0 0
T41 1660 1571 0 0
T42 7641 7565 0 0
T43 23138 23066 0 0
T44 8318 8254 0 0
T45 25309 25235 0 0

USBIntrRxBitstuffErrKnown_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 577515346 577231599 0 0
T1 7764 7699 0 0
T2 8970 8894 0 0
T3 6768 6676 0 0
T29 8730 8638 0 0
T30 30090 30028 0 0
T41 1660 1571 0 0
T42 7641 7565 0 0
T43 23138 23066 0 0
T44 8318 8254 0 0
T45 25309 25235 0 0

USBIntrRxCrCErrKnown_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 577515346 577231599 0 0
T1 7764 7699 0 0
T2 8970 8894 0 0
T3 6768 6676 0 0
T29 8730 8638 0 0
T30 30090 30028 0 0
T41 1660 1571 0 0
T42 7641 7565 0 0
T43 23138 23066 0 0
T44 8318 8254 0 0
T45 25309 25235 0 0

USBIntrRxFullKnown_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 577515346 577231599 0 0
T1 7764 7699 0 0
T2 8970 8894 0 0
T3 6768 6676 0 0
T29 8730 8638 0 0
T30 30090 30028 0 0
T41 1660 1571 0 0
T42 7641 7565 0 0
T43 23138 23066 0 0
T44 8318 8254 0 0
T45 25309 25235 0 0

USBIntrRxPidErrKnown_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 577515346 577231599 0 0
T1 7764 7699 0 0
T2 8970 8894 0 0
T3 6768 6676 0 0
T29 8730 8638 0 0
T30 30090 30028 0 0
T41 1660 1571 0 0
T42 7641 7565 0 0
T43 23138 23066 0 0
T44 8318 8254 0 0
T45 25309 25235 0 0

USBRefPulseKnown_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 577515346 577231599 0 0
T1 7764 7699 0 0
T2 8970 8894 0 0
T3 6768 6676 0 0
T29 8730 8638 0 0
T30 30090 30028 0 0
T41 1660 1571 0 0
T42 7641 7565 0 0
T43 23138 23066 0 0
T44 8318 8254 0 0
T45 25309 25235 0 0

USBRefValKnown_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 577515346 577231599 0 0
T1 7764 7699 0 0
T2 8970 8894 0 0
T3 6768 6676 0 0
T29 8730 8638 0 0
T30 30090 30028 0 0
T41 1660 1571 0 0
T42 7641 7565 0 0
T43 23138 23066 0 0
T44 8318 8254 0 0
T45 25309 25235 0 0

USBRxEnableKnown_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 577515346 577231599 0 0
T1 7764 7699 0 0
T2 8970 8894 0 0
T3 6768 6676 0 0
T29 8730 8638 0 0
T30 30090 30028 0 0
T41 1660 1571 0 0
T42 7641 7565 0 0
T43 23138 23066 0 0
T44 8318 8254 0 0
T45 25309 25235 0 0

USBTxDKnown_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 577515346 577231599 0 0
T1 7764 7699 0 0
T2 8970 8894 0 0
T3 6768 6676 0 0
T29 8730 8638 0 0
T30 30090 30028 0 0
T41 1660 1571 0 0
T42 7641 7565 0 0
T43 23138 23066 0 0
T44 8318 8254 0 0
T45 25309 25235 0 0

USBTxSe0Known_A
NameAttemptsReal SuccessesFailuresIncomplete
Total 577515346 577231599 0 0
T1 7764 7699 0 0
T2 8970 8894 0 0
T3 6768 6676 0 0
T29 8730 8638 0 0
T30 30090 30028 0 0
T41 1660 1571 0 0
T42 7641 7565 0 0
T43 23138 23066 0 0
T44 8318 8254 0 0
T45 25309 25235 0 0

0% 10% 20% 30% 40% 50% 60% 70% 80% 90% 100%