38 				struct eth_cyclonev_priv *p);
39 int eth_cyclonev_get_software_reset_status(uint32_t instance, struct eth_cyclonev_priv *p);
40 int eth_cyclonev_software_reset(uint32_t instance, struct eth_cyclonev_priv *p);
41 void eth_cyclonev_setup_rxdesc(struct eth_cyclonev_priv *p);
42 void eth_cyclonev_setup_txdesc(struct eth_cyclonev_priv *p);
47 				struct eth_cyclonev_priv *p);
51 static void eth_cyclonev_receive(struct eth_cyclonev_priv *p);
52 static void eth_cyclonev_tx_release(struct eth_cyclonev_priv *p);
119 	struct eth_cyclonev_priv *p)  in eth_cyclonev_set_mac_addr()  argument
135 	sys_write32(tmpreg, EMAC_GMAC_MAC_ADDR_HIGH_ADDR(p->base_addr, n));  in eth_cyclonev_set_mac_addr()
142 	sys_write32(tmpreg, EMAC_GMAC_MAC_ADDR_LOW_ADDR(p->base_addr, n));  in eth_cyclonev_set_mac_addr()
153 int eth_cyclonev_get_software_reset_status(uint32_t instance, struct eth_cyclonev_priv *p)  in eth_cyclonev_get_software_reset_status()  argument
158 	return EMAC_DMA_MODE_SWR_GET(sys_read32(EMAC_DMAGRP_BUS_MODE_ADDR(p->base_addr)));  in eth_cyclonev_get_software_reset_status()
170 int eth_cyclonev_software_reset(uint32_t instance, struct eth_cyclonev_priv *p)  in eth_cyclonev_software_reset()  argument
180 	sys_set_bits(EMAC_DMAGRP_BUS_MODE_ADDR(p->base_addr), EMAC_DMA_MODE_SWR_SET_MSK);  in eth_cyclonev_software_reset()
185 		if (eth_cyclonev_get_software_reset_status(instance, p) == 0) {  in eth_cyclonev_software_reset()
205 void eth_cyclonev_setup_rxdesc(struct eth_cyclonev_priv *p)  in eth_cyclonev_setup_rxdesc()  argument
212 		rx_desc = &p->rx_desc_ring[i];  in eth_cyclonev_setup_rxdesc()
213 		rx_desc->buffer1_addr = (uint32_t)&p->rx_buf[i * ETH_BUFFER_SIZE];  in eth_cyclonev_setup_rxdesc()
219 		rx_desc->buffer2_next_desc_addr = (uint32_t)&p->rx_desc_ring[i + 1];  in eth_cyclonev_setup_rxdesc()
221 			rx_desc->buffer2_next_desc_addr = (uint32_t)&p->rx_desc_ring[0];  in eth_cyclonev_setup_rxdesc()
225 	p->rx_current_desc_number = 0;  in eth_cyclonev_setup_rxdesc()
226 	p->rxints = 0;  in eth_cyclonev_setup_rxdesc()
229 	sys_write32((uint32_t)&p->rx_desc_ring[0],  in eth_cyclonev_setup_rxdesc()
230 		    EMAC_DMA_RX_DESC_LIST_ADDR(p->base_addr));  in eth_cyclonev_setup_rxdesc()
241 void eth_cyclonev_setup_txdesc(struct eth_cyclonev_priv *p)  in eth_cyclonev_setup_txdesc()  argument
249 		tx_desc = &p->tx_desc_ring[i];  in eth_cyclonev_setup_txdesc()
250 		tx_desc->buffer1_addr = (uint32_t)&p->tx_buf[i * ETH_BUFFER_SIZE];  in eth_cyclonev_setup_txdesc()
251 		tx_desc->buffer2_next_desc_addr = (uint32_t)&p->tx_desc_ring[i + 1];  in eth_cyclonev_setup_txdesc()
256 			tx_desc->buffer2_next_desc_addr = (uint32_t)&p->tx_desc_ring[0];  in eth_cyclonev_setup_txdesc()
260 	p->tx_current_desc_number = 0;  in eth_cyclonev_setup_txdesc()
261 	p->txints = 0;  in eth_cyclonev_setup_txdesc()
262 	p->tx_tail = 0;  in eth_cyclonev_setup_txdesc()
265 	sys_write32((uint32_t)&p->tx_desc_ring[0],  in eth_cyclonev_setup_txdesc()
266 		    EMAC_DMA_TX_DESC_LIST_ADDR(p->base_addr));  in eth_cyclonev_setup_txdesc()
281 	struct eth_cyclonev_priv *p = dev->data;  in eth_cyclonev_iface_init()  local
283 	p->iface = iface;  in eth_cyclonev_iface_init()
285 	net_if_set_link_addr(iface, p->mac_addr, sizeof(p->mac_addr), NET_LINK_ETHERNET);  in eth_cyclonev_iface_init()
294 	k_sem_init(&p->free_tx_descs, NB_TX_DESCS - 1, NB_TX_DESCS - 1);  in eth_cyclonev_iface_init()
299 	p->initialised = 1;  in eth_cyclonev_iface_init()
317 	struct eth_cyclonev_priv *p = dev->data;  in eth_cyclonev_set_config()  local
326 		memcpy(p->mac_addr, config->mac_address.addr, sizeof(p->mac_addr));  in eth_cyclonev_set_config()
327 		eth_cyclonev_set_mac_addr(p->mac_addr, cv_config->emac_index, 0, p); /* Set MAC */  in eth_cyclonev_set_config()
328 		net_if_set_link_addr(p->iface, p->mac_addr, sizeof(p->mac_addr), NET_LINK_ETHERNET);  in eth_cyclonev_set_config()
332 		reg_val = sys_read32(EMAC_GMACGRP_MAC_FRAME_FILTER_ADDR(p->base_addr));  in eth_cyclonev_set_config()
335 			sys_set_bits(EMAC_GMACGRP_MAC_FRAME_FILTER_ADDR(p->base_addr),  in eth_cyclonev_set_config()
340 			sys_clear_bits(EMAC_GMACGRP_MAC_FRAME_FILTER_ADDR(p->base_addr),  in eth_cyclonev_set_config()
365 	struct eth_cyclonev_priv *p = dev->data;  in eth_cyclonev_caps()  local
368 	if (p->feature & EMAC_DMA_HW_FEATURE_MIISEL) {  in eth_cyclonev_caps()
372 	if (p->feature & EMAC_DMA_HW_FEATURE_GMIISEL) {  in eth_cyclonev_caps()
375 	if (p->feature & EMAC_DMA_HW_FEATURE_RXTYP2COE) {  in eth_cyclonev_caps()
378 	if (p->feature & EMAC_DMA_HW_FEATURE_RXTYP1COE) {  in eth_cyclonev_caps()
402 	struct eth_cyclonev_priv *p = dev->data;  in eth_cyclonev_send()  local
414 		if (k_sem_take(&p->free_tx_descs, TX_AVAIL_WAIT) != 0) {  in eth_cyclonev_send()
419 		tx_desc = &p->tx_desc_ring[p->tx_current_desc_number];  in eth_cyclonev_send()
437 			memcpy(&p->tx_buf[p->tx_current_desc_number * ETH_BUFFER_SIZE], frag->data,  in eth_cyclonev_send()
445 			p->tx_current_desc_number,  in eth_cyclonev_send()
446 			(unsigned int)&p->tx_desc_ring[p->tx_current_desc_number], frag->len,  in eth_cyclonev_send()
461 			index = p->tx_current_desc_number;  in eth_cyclonev_send()
465 		p->tx_current_desc_number = (p->tx_current_desc_number + 1);  in eth_cyclonev_send()
466 		if (p->tx_current_desc_number >= NB_TX_DESCS) {  in eth_cyclonev_send()
467 			p->tx_current_desc_number = 0;  in eth_cyclonev_send()
474 				tx_desc = &p->tx_desc_ring[index];  in eth_cyclonev_send()
482 							       p->base_addr),  in eth_cyclonev_send()
485 							     p->base_addr),  in eth_cyclonev_send()
487 					eth_cyclonev_setup_txdesc(p);  in eth_cyclonev_send()
489 							     p->base_addr),  in eth_cyclonev_send()
509 					EMAC_DMA_CURR_HOST_TX_DESC_ADDR(p->base_addr)));  in eth_cyclonev_send()
512 					EMAC_DMA_CURR_HOST_TX_BUFF_ADDR(p->base_addr)));  in eth_cyclonev_send()
515 			if (sys_read32(EMAC_DMAGRP_STATUS_ADDR(p->base_addr)) &  in eth_cyclonev_send()
520 					    EMAC_DMAGRP_STATUS_ADDR(p->base_addr));  in eth_cyclonev_send()
524 					    EMAC_DMA_TX_POLL_DEMAND_ADDR(p->base_addr));  in eth_cyclonev_send()
534 	k_sem_give(&p->free_tx_descs); /* Multi-descriptor package release (?) */  in eth_cyclonev_send()
549 	struct eth_cyclonev_priv *p = dev->data;  in eth_cyclonev_isr()  local
555 		sys_read32(EMAC_DMAGRP_STATUS_ADDR(p->base_addr)) & p->interrupt_mask;  in eth_cyclonev_isr()
556 	irq_status_emac = sys_read32(EMAC_GMAC_INT_STAT_ADDR(p->base_addr));  in eth_cyclonev_isr()
561 			    EMAC_DMAGRP_STATUS_ADDR(p->base_addr));  in eth_cyclonev_isr()
565 		p->txints++;  in eth_cyclonev_isr()
566 		eth_cyclonev_tx_release(p);  in eth_cyclonev_isr()
569 			    EMAC_DMAGRP_STATUS_ADDR(p->base_addr));  in eth_cyclonev_isr()
573 		p->rxints++;  in eth_cyclonev_isr()
574 		eth_cyclonev_receive(p);  in eth_cyclonev_isr()
577 			    EMAC_DMAGRP_STATUS_ADDR(p->base_addr));  in eth_cyclonev_isr()
582 		uint32_t regval = sys_read32(GMACGRP_CONTROL_STATUS_ADDR(p->base_addr));  in eth_cyclonev_isr()
612 		if (p->initialised) {  in eth_cyclonev_isr()
615 			cfg_reg_set = sys_read32(GMACGRP_MAC_CONFIG_ADDR(p->base_addr));  in eth_cyclonev_isr()
622 			set_mac_conf_status(config->emac_index, &cfg_reg_set, p);  in eth_cyclonev_isr()
623 			sys_write32(cfg_reg_set, GMACGRP_MAC_CONFIG_ADDR(p->base_addr));  in eth_cyclonev_isr()
640 static void eth_cyclonev_receive(struct eth_cyclonev_priv *p)  in eth_cyclonev_receive()  argument
646 	index = p->rx_current_desc_number;  in eth_cyclonev_receive()
647 	rx_desc = &p->rx_desc_ring[index];  in eth_cyclonev_receive()
664 			rx_desc = &p->rx_desc_ring[rx_search];  in eth_cyclonev_receive()
672 					rx_desc = &p->rx_desc_ring[index];  in eth_cyclonev_receive()
680 		p->rx_current_desc_number = last_desc_index;  in eth_cyclonev_receive()
683 		pkt = net_pkt_rx_alloc_with_buffer(p->iface, frame_length, AF_UNSPEC, 0, K_NO_WAIT);  in eth_cyclonev_receive()
686 			eth_stats_update_errors_rx(p->iface);  in eth_cyclonev_receive()
693 			rx_desc = &p->rx_desc_ring[rx_search];  in eth_cyclonev_receive()
700 				net_pkt_write(pkt, &p->rx_buf[rx_search * ETH_BUFFER_SIZE],  in eth_cyclonev_receive()
714 					rx_desc = &p->rx_desc_ring[rx_search];  in eth_cyclonev_receive()
723 							&p->rx_buf[rx_search * ETH_BUFFER_SIZE],  in eth_cyclonev_receive()
735 			if (net_recv_data(p->iface, pkt) < 0) {  in eth_cyclonev_receive()
743 		p->rx_current_desc_number++;  in eth_cyclonev_receive()
744 		if (p->rx_current_desc_number == NB_RX_DESCS) {  in eth_cyclonev_receive()
745 			p->rx_current_desc_number = 0;  in eth_cyclonev_receive()
747 		index = p->rx_current_desc_number;  in eth_cyclonev_receive()
748 		rx_desc = &p->rx_desc_ring[index];  in eth_cyclonev_receive()
760 static void eth_cyclonev_tx_release(struct eth_cyclonev_priv *p)  in eth_cyclonev_tx_release()  argument
766 	for (d_idx = p->tx_tail; d_idx != p->tx_current_desc_number;  in eth_cyclonev_tx_release()
767 	     INC_WRAP(d_idx, NB_TX_DESCS), k_sem_give(&p->free_tx_descs)) {  in eth_cyclonev_tx_release()
769 		d = &p->tx_desc_ring[d_idx];  in eth_cyclonev_tx_release()
783 				eth_stats_update_errors_tx(p->iface);  in eth_cyclonev_tx_release()
787 	p->tx_tail = d_idx;  in eth_cyclonev_tx_release()
800 	struct eth_cyclonev_priv *p)  in set_mac_conf_status()  argument
805 	ret = alt_eth_phy_get_duplex_and_speed(&phy_duplex_status, &phy_speed, instance, p);  in set_mac_conf_status()
853 	struct eth_cyclonev_priv *p = dev->data;  in eth_cyclonev_probe()  local
859 	p->base_addr = (mem_addr_t)config->base;  in eth_cyclonev_probe()
860 	p->running = 0;  in eth_cyclonev_probe()
861 	p->initialised = 0;  in eth_cyclonev_probe()
869 	ret = alt_eth_phy_reset(config->emac_index, p);  in eth_cyclonev_probe()
876 	ret = alt_eth_phy_config(config->emac_index, p);  in eth_cyclonev_probe()
884 	p->feature = sys_read32(EMAC_DMA_HW_FEATURE_ADDR(p->base_addr));  in eth_cyclonev_probe()
895 	ret = eth_cyclonev_software_reset(config->emac_index, p);  in eth_cyclonev_probe()
907 		    EMAC_DMAGRP_BUS_MODE_ADDR(p->base_addr));  in eth_cyclonev_probe()
914 	tmpreg = sys_read32(EMAC_DMAGRP_AXI_BUS_MODE_ADDR(p->base_addr));  in eth_cyclonev_probe()
918 		EMAC_DMAGRP_AXI_BUS_MODE_ADDR(p->base_addr)); /* Set Burst Length = 16 */  in eth_cyclonev_probe()
931 	eth_cyclonev_setup_rxdesc(p);  in eth_cyclonev_probe()
932 	eth_cyclonev_setup_txdesc(p);  in eth_cyclonev_probe()
942 		    EMAC_DMAGRP_OPERATION_MODE_ADDR(p->base_addr));  in eth_cyclonev_probe()
953 	p->interrupt_mask = interrupt_mask;  in eth_cyclonev_probe()
956 	sys_write32(interrupt_mask, EMAC_DMAGRP_STATUS_ADDR(p->base_addr));  in eth_cyclonev_probe()
962 	sys_set_bits(EMAC_DMA_INT_EN_ADDR(p->base_addr), interrupt_mask);  in eth_cyclonev_probe()
968 	if (sys_read32(EMAC_DMAGRP_AHB_OR_AXI_STATUS_ADDR(p->base_addr)) != 0) {  in eth_cyclonev_probe()
997 	ret = set_mac_conf_status(config->emac_index, &mac_config_reg_settings, p);  in eth_cyclonev_probe()
1007 	memcpy(p->mac_addr, eth_cyclonev_mac_addr, sizeof(p->mac_addr));  in eth_cyclonev_probe()
1008 	eth_cyclonev_set_mac_addr(p->mac_addr, config->emac_index, 0, p);  in eth_cyclonev_probe()
1018 	sys_clear_bits(EMAC_GMACGRP_MAC_FRAME_FILTER_ADDR(p->base_addr),  in eth_cyclonev_probe()
1025 	sys_set_bits(EMAC_GMAC_INT_MSK_ADDR(p->base_addr),  in eth_cyclonev_probe()
1033 	sys_write32(mac_config_reg_settings, GMACGRP_MAC_CONFIG_ADDR(p->base_addr));  in eth_cyclonev_probe()
1052 	struct eth_cyclonev_priv *p = dev->data;  in eth_cyclonev_start()  local
1054 	if (p->running) {  in eth_cyclonev_start()
1064 	sys_set_bits(EMAC_DMAGRP_OPERATION_MODE_ADDR(p->base_addr),  in eth_cyclonev_start()
1066 	sys_set_bits(EMAC_DMAGRP_OPERATION_MODE_ADDR(p->base_addr),  in eth_cyclonev_start()
1070 	sys_set_bits(GMACGRP_MAC_CONFIG_ADDR(p->base_addr),  in eth_cyclonev_start()
1072 	sys_set_bits(EMAC_DMAGRP_OPERATION_MODE_ADDR(p->base_addr),  in eth_cyclonev_start()
1074 	sys_set_bits(GMACGRP_MAC_CONFIG_ADDR(p->base_addr),  in eth_cyclonev_start()
1077 	p->running = 1;  in eth_cyclonev_start()
1095 	struct eth_cyclonev_priv *p = dev->data;  in eth_cyclonev_stop()  local
1097 	if (!p->running) {  in eth_cyclonev_stop()
1106 	sys_clear_bits(EMAC_DMAGRP_OPERATION_MODE_ADDR(p->base_addr),  in eth_cyclonev_stop()
1112 	sys_clear_bits(GMACGRP_MAC_CONFIG_ADDR(p->base_addr),  in eth_cyclonev_stop()
1114 	sys_set_bits(EMAC_DMAGRP_OPERATION_MODE_ADDR(p->base_addr),  in eth_cyclonev_stop()
1116 	sys_clear_bits(GMACGRP_MAC_CONFIG_ADDR(p->base_addr),  in eth_cyclonev_stop()
1124 	sys_clear_bits(EMAC_DMAGRP_OPERATION_MODE_ADDR(p->base_addr),  in eth_cyclonev_stop()
1130 		    sys_read32(EMAC_DMAGRP_DEBUG_ADDR(p->base_addr))) != 0x0) {  in eth_cyclonev_stop()
1134 	p->running = 0;  in eth_cyclonev_stop()