241 static void eth_mcux_phy_enter_reset(struct eth_context *context);
242 void eth_mcux_phy_stop(struct eth_context *context);
340 static void eth_mcux_phy_enter_reset(struct eth_context *context)  in eth_mcux_phy_enter_reset()  argument
344 	ENET_StartSMIWrite(context->base, context->phy_addr,  in eth_mcux_phy_enter_reset()
349 	context->phy_state = eth_mcux_phy_state_reset;  in eth_mcux_phy_enter_reset()
351 	k_work_submit(&context->phy_work);  in eth_mcux_phy_enter_reset()
355 static void eth_mcux_phy_start(struct eth_context *context)  in eth_mcux_phy_start()  argument
358 	LOG_DBG("%s phy_state=%s", eth_name(context->base),  in eth_mcux_phy_start()
359 		phy_state_name(context->phy_state));  in eth_mcux_phy_start()
362 	context->enabled = true;  in eth_mcux_phy_start()
364 	switch (context->phy_state) {  in eth_mcux_phy_start()
366 		context->phy_handle->phyAddr = context->phy_addr;  in eth_mcux_phy_start()
367 		ENET_ActiveRead(context->base);  in eth_mcux_phy_start()
370 		ENET_StartSMIWrite(context->base, context->phy_addr,  in eth_mcux_phy_start()
379 		k_work_submit(&context->phy_work);  in eth_mcux_phy_start()
383 		context->phy_state = eth_mcux_phy_state_initial;  in eth_mcux_phy_start()
385 		context->phy_state = eth_mcux_phy_state_reset;  in eth_mcux_phy_start()
389 		eth_mcux_phy_enter_reset(context);  in eth_mcux_phy_start()
401 void eth_mcux_phy_stop(struct eth_context *context)  in eth_mcux_phy_stop()  argument
404 	LOG_DBG("%s phy_state=%s", eth_name(context->base),  in eth_mcux_phy_stop()
405 		phy_state_name(context->phy_state));  in eth_mcux_phy_stop()
408 	context->enabled = false;  in eth_mcux_phy_stop()
410 	switch (context->phy_state) {  in eth_mcux_phy_stop()
420 		context->phy_state = eth_mcux_phy_state_closing;  in eth_mcux_phy_stop()
423 		k_work_cancel_delayable(&context->delayed_phy_work);  in eth_mcux_phy_stop()
425 		context->phy_state = eth_mcux_phy_state_initial;  in eth_mcux_phy_stop()
433 static void eth_mcux_phy_event(struct eth_context *context)  in eth_mcux_phy_event()  argument
447 	LOG_DBG("%s phy_state=%s", eth_name(context->base),  in eth_mcux_phy_event()
448 		phy_state_name(context->phy_state));  in eth_mcux_phy_event()
450 	switch (context->phy_state) {  in eth_mcux_phy_event()
453 		ENET_DisableInterrupts(context->base, ENET_EIR_MII_MASK);  in eth_mcux_phy_event()
454 		res = PHY_Read(context->phy_handle, PHY_CONTROL2_REG, &ctrl2);  in eth_mcux_phy_event()
455 		ENET_EnableInterrupts(context->base, ENET_EIR_MII_MASK);  in eth_mcux_phy_event()
458 			k_work_submit(&context->phy_work);  in eth_mcux_phy_event()
461 			ENET_StartSMIWrite(context->base, context->phy_addr,  in eth_mcux_phy_event()
466 		context->phy_state = eth_mcux_phy_state_reset;  in eth_mcux_phy_event()
474 		if (context->iface) {  in eth_mcux_phy_event()
475 		       context->phy_state = eth_mcux_phy_state_reset;  in eth_mcux_phy_event()
478 		k_work_reschedule(&context->delayed_phy_work, K_MSEC(1));  in eth_mcux_phy_event()
482 		if (context->enabled) {  in eth_mcux_phy_event()
483 			eth_mcux_phy_enter_reset(context);  in eth_mcux_phy_event()
486 			context->phy_state = eth_mcux_phy_state_initial;  in eth_mcux_phy_event()
492 		ENET_StartSMIWrite(context->base, context->phy_addr,  in eth_mcux_phy_event()
501 		context->phy_state = eth_mcux_phy_state_autoneg;  in eth_mcux_phy_event()
503 		k_work_submit(&context->phy_work);  in eth_mcux_phy_event()
509 		ENET_StartSMIWrite(context->base, context->phy_addr,  in eth_mcux_phy_event()
515 		context->phy_state = eth_mcux_phy_state_restart;  in eth_mcux_phy_event()
517 		k_work_submit(&context->phy_work);  in eth_mcux_phy_event()
524 		ENET_StartSMIRead(context->base, context->phy_addr,  in eth_mcux_phy_event()
528 		context->phy_state = eth_mcux_phy_state_read_status;  in eth_mcux_phy_event()
530 		k_work_submit(&context->phy_work);  in eth_mcux_phy_event()
538 		status = ENET_ReadSMIData(context->base);  in eth_mcux_phy_event()
541 		if (link_up && !context->link_up && context->iface != NULL) {  in eth_mcux_phy_event()
544 			ENET_StartSMIRead(context->base, context->phy_addr,  in eth_mcux_phy_event()
548 			context->link_up = link_up;  in eth_mcux_phy_event()
549 			context->phy_state = eth_mcux_phy_state_read_duplex;  in eth_mcux_phy_event()
550 			net_eth_carrier_on(context->iface);  in eth_mcux_phy_event()
553 			k_work_submit(&context->phy_work);  in eth_mcux_phy_event()
555 		} else if (!link_up && context->link_up && context->iface != NULL) {  in eth_mcux_phy_event()
556 			LOG_INF("%s link down", eth_name(context->base));  in eth_mcux_phy_event()
557 			context->link_up = link_up;  in eth_mcux_phy_event()
558 			k_work_reschedule(&context->delayed_phy_work,  in eth_mcux_phy_event()
560 			context->phy_state = eth_mcux_phy_state_wait;  in eth_mcux_phy_event()
561 			net_eth_carrier_off(context->iface);  in eth_mcux_phy_event()
563 			k_work_reschedule(&context->delayed_phy_work,  in eth_mcux_phy_event()
565 			context->phy_state = eth_mcux_phy_state_wait;  in eth_mcux_phy_event()
573 		LOG_INF("%s - Fixed Link", eth_name(context->base));  in eth_mcux_phy_event()
575 		status = ENET_ReadSMIData(context->base);  in eth_mcux_phy_event()
580 		if (phy_speed != context->phy_speed ||  in eth_mcux_phy_event()
581 		    phy_duplex != context->phy_duplex) {  in eth_mcux_phy_event()
582 			context->phy_speed = phy_speed;  in eth_mcux_phy_event()
583 			context->phy_duplex = phy_duplex;  in eth_mcux_phy_event()
584 			ENET_SetMII(context->base,  in eth_mcux_phy_event()
590 			eth_name(context->base),  in eth_mcux_phy_event()
593 		k_work_reschedule(&context->delayed_phy_work,  in eth_mcux_phy_event()
595 		context->phy_state = eth_mcux_phy_state_wait;  in eth_mcux_phy_event()
602 	struct eth_context *context =  in eth_mcux_phy_work()  local
605 	eth_mcux_phy_event(context);  in eth_mcux_phy_work()
611 	struct eth_context *context =  in eth_mcux_delayed_phy_work()  local
614 	eth_mcux_phy_event(context);  in eth_mcux_delayed_phy_work()
617 static void eth_mcux_phy_setup(struct eth_context *context)  in eth_mcux_phy_setup()  argument
624 	ENET_DisableInterrupts(context->base, ENET_EIR_MII_MASK);  in eth_mcux_phy_setup()
626 	res = PHY_Read(context->phy_handle,  in eth_mcux_phy_setup()
641 		res = PHY_Write(context->phy_handle,  in eth_mcux_phy_setup()
648 	ENET_EnableInterrupts(context->base, ENET_EIR_MII_MASK);  in eth_mcux_phy_setup()
672 	struct eth_context *context = dev->data;  in eth_tx()  local
681 	k_sem_take(&context->tx_buf_sem, K_FOREVER);  in eth_tx()
683 	k_mutex_lock(&context->tx_frame_buf_mutex, K_FOREVER);  in eth_tx()
685 	if (net_pkt_read(pkt, context->tx_frame_buf, total_len)) {  in eth_tx()
686 		k_mutex_unlock(&context->tx_frame_buf_mutex);  in eth_tx()
694 		status = ENET_SendFrame(context->base, &context->enet_handle,  in eth_tx()
695 					  context->tx_frame_buf, total_len, RING_ID, true, pkt);  in eth_tx()
704 			k_sem_take(&context->ptp_ts_sem, K_FOREVER);  in eth_tx()
710 		status = ENET_SendFrame(context->base, &context->enet_handle,  in eth_tx()
711 					context->tx_frame_buf, total_len, RING_ID, false, NULL);  in eth_tx()
716 		k_mutex_unlock(&context->tx_frame_buf_mutex);  in eth_tx()
717 		ENET_ReclaimTxDescriptor(context->base,  in eth_tx()
718 					&context->enet_handle, RING_ID);  in eth_tx()
722 	k_mutex_unlock(&context->tx_frame_buf_mutex);  in eth_tx()
727 static int eth_rx(struct eth_context *context)  in eth_rx()  argument
739 	status = ENET_GetRxFrameSize(&context->enet_handle,  in eth_rx()
748 		ENET_GetRxErrBeforeReadFrame(&context->enet_handle,  in eth_rx()
759 	pkt = net_pkt_rx_alloc_with_buffer(context->iface, frame_length,  in eth_rx()
768 	k_mutex_lock(&context->rx_frame_buf_mutex, K_FOREVER);  in eth_rx()
770 	status = ENET_ReadFrame(context->base, &context->enet_handle,  in eth_rx()
771 				context->rx_frame_buf, frame_length, RING_ID, &ts);  in eth_rx()
776 		k_mutex_unlock(&context->rx_frame_buf_mutex);  in eth_rx()
780 	if (net_pkt_write(pkt, context->rx_frame_buf, frame_length)) {  in eth_rx()
783 		k_mutex_unlock(&context->rx_frame_buf_mutex);  in eth_rx()
787 	k_mutex_unlock(&context->rx_frame_buf_mutex);  in eth_rx()
793 	k_mutex_lock(&context->ptp_mutex, K_FOREVER);  in eth_rx()
794 	if (eth_get_ptp_data(get_iface(context), pkt)) {  in eth_rx()
795 		ENET_Ptp1588GetTimer(context->base, &context->enet_handle,  in eth_rx()
812 	k_mutex_unlock(&context->ptp_mutex);  in eth_rx()
815 	iface = get_iface(context);  in eth_rx()
830 	status = ENET_ReadFrame(context->base, &context->enet_handle, NULL,  in eth_rx()
834 	eth_stats_update_errors_rx(get_iface(context));  in eth_rx()
839 static inline void ts_register_tx_event(struct eth_context *context,  in ts_register_tx_event()  argument
844 	pkt = frameinfo->context;  in ts_register_tx_event()
848 				k_mutex_lock(&context->ptp_mutex, K_FOREVER);  in ts_register_tx_event()
856 				k_sem_give(&context->ptp_ts_sem);  in ts_register_tx_event()
857 				k_mutex_unlock(&context->ptp_mutex);  in ts_register_tx_event()
877 	struct eth_context *context = param;  in eth_callback()  local
881 		k_sem_give(&context->rx_thread_sem);  in eth_callback()
886 		ts_register_tx_event(context, frameinfo);  in eth_callback()
889 		k_sem_give(&context->tx_buf_sem);  in eth_callback()
900 		context->base->ATPER = NSEC_PER_SEC;  in eth_callback()
910 	struct eth_context *context = (struct eth_context *)arg1;  in eth_rx_thread()  local
913 		if (k_sem_take(&context->rx_thread_sem, K_FOREVER) == 0) {  in eth_rx_thread()
914 			while (eth_rx(context) == 1) {  in eth_rx_thread()
918 			ENET_EnableInterrupts(context->base,  in eth_rx_thread()
928 	struct eth_context *context = dev->data;  in eth_phy_reset()  local
931 	err =  gpio_pin_configure_dt(&context->int_gpio, GPIO_OUTPUT_ACTIVE);  in eth_phy_reset()
935 	return gpio_pin_configure_dt(&context->reset_gpio, GPIO_OUTPUT_INACTIVE);  in eth_phy_reset()
940 	struct eth_context *context = dev->data;  in eth_phy_init()  local
944 	return gpio_pin_set_dt(&context->reset_gpio, 1);  in eth_phy_init()
950 	struct eth_context *context = dev->data;  in eth_mcux_init()  local
963 	context->phy_state = eth_mcux_phy_state_initial;  in eth_mcux_init()
964 	context->phy_handle->ops = &phyksz8081_ops;  in eth_mcux_init()
987 	enet_config.userData = context;  in eth_mcux_init()
1006 	ENET_Init(context->base,  in eth_mcux_init()
1007 		  &context->enet_handle,  in eth_mcux_init()
1010 		  context->mac_addr,  in eth_mcux_init()
1014 	ENET_AddMulticastGroup(context->base, ptp_multicast);  in eth_mcux_init()
1015 	ENET_AddMulticastGroup(context->base, ptp_peer_multicast);  in eth_mcux_init()
1018 	context->ptp_config.channel = kENET_PtpTimerChannel3;  in eth_mcux_init()
1019 	context->ptp_config.ptp1588ClockSrc_Hz =  in eth_mcux_init()
1021 	context->clk_ratio = 1.0;  in eth_mcux_init()
1023 	ENET_Ptp1588SetChannelMode(context->base, kENET_PtpTimerChannel3,  in eth_mcux_init()
1025 	ENET_Ptp1588Configure(context->base, &context->enet_handle,  in eth_mcux_init()
1026 			      &context->ptp_config);  in eth_mcux_init()
1030 	ENET_AddMulticastGroup(context->base, mdns_multicast);  in eth_mcux_init()
1034 	ENET_SetSMI(context->base, sys_clock, false);  in eth_mcux_init()
1038 	eth_mcux_phy_setup(context);  in eth_mcux_init()
1042 	ENET_SetTxReclaim(&context->enet_handle, true, 0);  in eth_mcux_init()
1045 	eth_mcux_phy_start(context);  in eth_mcux_init()
1050 	struct eth_context *context = dev->data;  in eth_init()  local
1054 	err = pinctrl_apply_state(context->pincfg, PINCTRL_STATE_DEFAULT);  in eth_init()
1061 	const uint32_t inst = ENET_GetInstance(context->base);  in eth_init()
1063 	context->clock = enet_clocks[inst];  in eth_init()
1072 	k_mutex_init(&context->ptp_mutex);  in eth_init()
1073 	k_sem_init(&context->ptp_ts_sem, 0, 1);  in eth_init()
1075 	k_mutex_init(&context->rx_frame_buf_mutex);  in eth_init()
1076 	k_mutex_init(&context->tx_frame_buf_mutex);  in eth_init()
1078 	k_sem_init(&context->rx_thread_sem, 0, CONFIG_ETH_MCUX_RX_BUFFERS);  in eth_init()
1079 	k_sem_init(&context->tx_buf_sem,  in eth_init()
1081 	k_work_init(&context->phy_work, eth_mcux_phy_work);  in eth_init()
1082 	k_work_init_delayable(&context->delayed_phy_work,  in eth_init()
1086 	k_thread_create(&context->rx_thread, context->rx_thread_stack,  in eth_init()
1087 			K_KERNEL_STACK_SIZEOF(context->rx_thread_stack),  in eth_init()
1088 			eth_rx_thread, (void *) context, NULL, NULL,  in eth_init()
1091 	k_thread_name_set(&context->rx_thread, "mcux_eth_rx");  in eth_init()
1092 	if (context->generate_mac) {  in eth_init()
1093 		context->generate_mac(context->mac_addr);  in eth_init()
1100 		context->mac_addr[0], context->mac_addr[1],  in eth_init()
1101 		context->mac_addr[2], context->mac_addr[3],  in eth_init()
1102 		context->mac_addr[4], context->mac_addr[5]);  in eth_init()
1110 	struct eth_context *context = dev->data;  in eth_iface_init()  local
1112 	net_if_set_link_addr(iface, context->mac_addr,  in eth_iface_init()
1113 			     sizeof(context->mac_addr),  in eth_iface_init()
1116 	if (context->iface == NULL) {  in eth_iface_init()
1117 		context->iface = iface;  in eth_iface_init()
1126 	context->config_func();  in eth_iface_init()
1156 	struct eth_context *context = dev->data;  in eth_mcux_set_config()  local
1160 		memcpy(context->mac_addr,  in eth_mcux_set_config()
1162 		       sizeof(context->mac_addr));  in eth_mcux_set_config()
1163 		ENET_SetMacAddr(context->base, context->mac_addr);  in eth_mcux_set_config()
1164 		net_if_set_link_addr(context->iface, context->mac_addr,  in eth_mcux_set_config()
1165 				     sizeof(context->mac_addr),  in eth_mcux_set_config()
1169 			context->mac_addr[0], context->mac_addr[1],  in eth_mcux_set_config()
1170 			context->mac_addr[2], context->mac_addr[3],  in eth_mcux_set_config()
1171 			context->mac_addr[4], context->mac_addr[5]);  in eth_mcux_set_config()
1176 			ENET_AddMulticastGroup(context->base,  in eth_mcux_set_config()
1179 			ENET_LeaveMulticastGroup(context->base,  in eth_mcux_set_config()
1193 	struct eth_context *context = dev->data;  in eth_mcux_get_ptp_clock()  local
1195 	return context->ptp_clock;  in eth_mcux_get_ptp_clock()
1216 	struct eth_context *context = dev->data;  in eth_mcux_ptp_isr()  local
1222 		if (ENET_Ptp1588GetChannelStatus(context->base, channel)) {  in eth_mcux_ptp_isr()
1223 			ENET_Ptp1588ClearChannelStatus(context->base, channel);  in eth_mcux_ptp_isr()
1226 	ENET_TimeStampIRQHandler(context->base, &context->enet_handle);  in eth_mcux_ptp_isr()
1234 	struct eth_context *context = dev->data;  in eth_mcux_common_isr()  local
1235 	uint32_t EIR = ENET_GetInterruptStatus(context->base);  in eth_mcux_common_isr()
1240 		context->rx_irq_num++;  in eth_mcux_common_isr()
1243 		ENET_ReceiveIRQHandler(context->base, &context->enet_handle, 0);  in eth_mcux_common_isr()
1245 		ENET_ReceiveIRQHandler(context->base, &context->enet_handle);  in eth_mcux_common_isr()
1247 		ENET_DisableInterrupts(context->base, kENET_RxFrameInterrupt |  in eth_mcux_common_isr()
1253 		ENET_TransmitIRQHandler(context->base, &context->enet_handle, 0);  in eth_mcux_common_isr()
1255 		ENET_TransmitIRQHandler(context->base, &context->enet_handle);  in eth_mcux_common_isr()
1260 		ENET_ClearInterruptStatus(context->base, kENET_TxBufferInterrupt);  in eth_mcux_common_isr()
1261 		ENET_DisableInterrupts(context->base, kENET_TxBufferInterrupt);  in eth_mcux_common_isr()
1265 		k_work_submit(&context->phy_work);  in eth_mcux_common_isr()
1266 		ENET_ClearInterruptStatus(context->base, kENET_MiiInterrupt);  in eth_mcux_common_isr()
1270 		ENET_TimeStampIRQHandler(context->base, &context->enet_handle);  in eth_mcux_common_isr()
1280 	struct eth_context *context = dev->data;  in eth_mcux_rx_isr()  local
1282 	ENET_DisableInterrupts(context->base, kENET_RxFrameInterrupt | kENET_RxBufferInterrupt);  in eth_mcux_rx_isr()
1283 	ENET_ReceiveIRQHandler(context->base, &context->enet_handle);  in eth_mcux_rx_isr()
1290 	struct eth_context *context = dev->data;  in eth_mcux_tx_isr()  local
1292 	ENET_TransmitIRQHandler(context->base, &context->enet_handle, 0);  in eth_mcux_tx_isr()
1294 	ENET_TransmitIRQHandler(context->base, &context->enet_handle);  in eth_mcux_tx_isr()
1302 	struct eth_context *context = dev->data;  in eth_mcux_err_isr()  local
1303 	uint32_t pending = ENET_GetInterruptStatus(context->base);  in eth_mcux_err_isr()
1306 		k_work_submit(&context->phy_work);  in eth_mcux_err_isr()
1307 		ENET_ClearInterruptStatus(context->base, kENET_MiiInterrupt);  in eth_mcux_err_isr()
1610 	struct eth_context *context = ptp_context->eth_context;  in ptp_clock_mcux_set()  local
1616 	ENET_Ptp1588SetTimer(context->base, &context->enet_handle, &enet_time);  in ptp_clock_mcux_set()
1624 	struct eth_context *context = ptp_context->eth_context;  in ptp_clock_mcux_get()  local
1627 	ENET_Ptp1588GetTimer(context->base, &context->enet_handle, &enet_time);  in ptp_clock_mcux_get()
1637 	struct eth_context *context = ptp_context->eth_context;  in ptp_clock_mcux_adjust()  local
1647 		if (context->base->ATPER != NSEC_PER_SEC) {  in ptp_clock_mcux_adjust()
1653 			context->base->ATPER = NSEC_PER_SEC - increment;  in ptp_clock_mcux_adjust()
1666 	struct eth_context *context = ptp_context->eth_context;  in ptp_clock_mcux_rate_adjust()  local
1677 	ratio *= context->clk_ratio;  in ptp_clock_mcux_rate_adjust()
1686 	context->clk_ratio = ratio;  in ptp_clock_mcux_rate_adjust()
1707 	k_mutex_lock(&context->ptp_mutex, K_FOREVER);  in ptp_clock_mcux_rate_adjust()
1708 	ENET_Ptp1588AdjustTimer(context->base, corr, mul);  in ptp_clock_mcux_rate_adjust()
1709 	k_mutex_unlock(&context->ptp_mutex);  in ptp_clock_mcux_rate_adjust()
1724 	struct eth_context *context = eth_dev->data;  in ptp_mcux_init()  local
1735 	context->ptp_clock = port;  in ptp_mcux_init()
1736 	ptp_context->eth_context = context;  in ptp_mcux_init()