Lines Matching +full:echo +full:- +full:gpios
1 // SPDX-License-Identifier: GPL-2.0+
17 * Copyright (c) 2001-2005 Greg Ungerer (gerg@snapgear.com)
20 * Copyright (c) 2004-2006 Macq Electronique SA.
22 * Copyright (C) 2010-2011 Freescale Semiconductor, Inc.
194 { .compatible = "fsl,imx25-fec", .data = &fec_imx25_info, },
195 { .compatible = "fsl,imx27-fec", .data = &fec_imx27_info, },
196 { .compatible = "fsl,imx28-fec", .data = &fec_imx28_info, },
197 { .compatible = "fsl,imx6q-fec", .data = &fec_imx6q_info, },
198 { .compatible = "fsl,mvf600-fec", .data = &fec_mvf600_info, },
199 { .compatible = "fsl,imx6sx-fec", .data = &fec_imx6x_info, },
200 { .compatible = "fsl,imx6ul-fec", .data = &fec_imx6ul_info, },
201 { .compatible = "fsl,imx8mq-fec", .data = &fec_imx8mq_info, },
202 { .compatible = "fsl,imx8qm-fec", .data = &fec_imx8qm_info, },
203 { .compatible = "fsl,s32v234-fec", .data = &fec_s32v234_info, },
215 * if this is non-zero then assume it is the address to get MAC from.
237 #define PKT_MAXBUF_SIZE (round_down(2048 - 64, 64))
308 ((addr >= txq->tso_hdrs_dma) && \
309 (addr < txq->tso_hdrs_dma + txq->bd.ring_size * TSO_HEADER_SIZE))
316 return (bdp >= bd->last) ? bd->base in fec_enet_get_nextdesc()
317 : (struct bufdesc *)(((void *)bdp) + bd->dsize); in fec_enet_get_nextdesc()
323 return (bdp <= bd->base) ? bd->last in fec_enet_get_prevdesc()
324 : (struct bufdesc *)(((void *)bdp) - bd->dsize); in fec_enet_get_prevdesc()
330 return ((const char *)bdp - (const char *)bd->base) >> bd->dsize_log2; in fec_enet_get_bd_index()
337 entries = (((const char *)txq->dirty_tx - in fec_enet_get_free_txdesc_num()
338 (const char *)txq->bd.cur) >> txq->bd.dsize_log2) - 1; in fec_enet_get_free_txdesc_num()
340 return entries >= 0 ? entries : entries + txq->bd.ring_size; in fec_enet_get_free_txdesc_num()
362 txq = fep->tx_queue[0]; in fec_dump()
363 bdp = txq->bd.base; in fec_dump()
368 bdp == txq->bd.cur ? 'S' : ' ', in fec_dump()
369 bdp == txq->dirty_tx ? 'H' : ' ', in fec_dump()
370 fec16_to_cpu(bdp->cbd_sc), in fec_dump()
371 fec32_to_cpu(bdp->cbd_bufaddr), in fec_dump()
372 fec16_to_cpu(bdp->cbd_datlen), in fec_dump()
373 txq->tx_buf[index].buf_p); in fec_dump()
374 bdp = fec_enet_get_nextdesc(bdp, &txq->bd); in fec_dump()
376 } while (bdp != txq->bd.base); in fec_dump()
381 * a band-aid with a manual flush in fec_enet_rx_queue.
419 fec_dma_free(dev, this->size, this->vaddr, this->dma_handle); in fec_dmam_release()
436 dr->vaddr = vaddr; in fec_dmam_alloc()
437 dr->dma_handle = *handle; in fec_dmam_alloc()
438 dr->size = size; in fec_dmam_alloc()
445 return skb->protocol == htons(ETH_P_IP) && ip_hdr(skb)->version == 4; in is_ipv4_pkt()
452 if (skb->ip_summed != CHECKSUM_PARTIAL) in fec_enet_clear_csum()
456 return -1; in fec_enet_clear_csum()
459 ip_hdr(skb)->check = 0; in fec_enet_clear_csum()
460 *(__sum16 *)(skb->head + skb->csum_start + skb->csum_offset) = 0; in fec_enet_clear_csum()
469 struct bpf_prog *xdp_prog = READ_ONCE(fep->xdp_prog); in fec_enet_create_page_pool()
474 .nid = dev_to_node(&fep->pdev->dev), in fec_enet_create_page_pool()
475 .dev = &fep->pdev->dev, in fec_enet_create_page_pool()
482 rxq->page_pool = page_pool_create(&pp_params); in fec_enet_create_page_pool()
483 if (IS_ERR(rxq->page_pool)) { in fec_enet_create_page_pool()
484 err = PTR_ERR(rxq->page_pool); in fec_enet_create_page_pool()
485 rxq->page_pool = NULL; in fec_enet_create_page_pool()
489 err = xdp_rxq_info_reg(&rxq->xdp_rxq, fep->netdev, rxq->id, 0); in fec_enet_create_page_pool()
493 err = xdp_rxq_info_reg_mem_model(&rxq->xdp_rxq, MEM_TYPE_PAGE_POOL, in fec_enet_create_page_pool()
494 rxq->page_pool); in fec_enet_create_page_pool()
501 xdp_rxq_info_unreg(&rxq->xdp_rxq); in fec_enet_create_page_pool()
503 page_pool_destroy(rxq->page_pool); in fec_enet_create_page_pool()
504 rxq->page_pool = NULL; in fec_enet_create_page_pool()
514 struct bufdesc *bdp = txq->bd.cur; in fec_enet_txq_submit_frag_skb()
516 int nr_frags = skb_shinfo(skb)->nr_frags; in fec_enet_txq_submit_frag_skb()
527 this_frag = &skb_shinfo(skb)->frags[frag]; in fec_enet_txq_submit_frag_skb()
528 bdp = fec_enet_get_nextdesc(bdp, &txq->bd); in fec_enet_txq_submit_frag_skb()
531 status = fec16_to_cpu(bdp->cbd_sc); in fec_enet_txq_submit_frag_skb()
534 frag_len = skb_frag_size(&skb_shinfo(skb)->frags[frag]); in fec_enet_txq_submit_frag_skb()
537 if (frag == nr_frags - 1) { in fec_enet_txq_submit_frag_skb()
539 if (fep->bufdesc_ex) { in fec_enet_txq_submit_frag_skb()
541 if (unlikely(skb_shinfo(skb)->tx_flags & in fec_enet_txq_submit_frag_skb()
542 SKBTX_HW_TSTAMP && fep->hwts_tx_en)) in fec_enet_txq_submit_frag_skb()
547 if (fep->bufdesc_ex) { in fec_enet_txq_submit_frag_skb()
548 if (fep->quirks & FEC_QUIRK_HAS_AVB) in fec_enet_txq_submit_frag_skb()
549 estatus |= FEC_TX_BD_FTYPE(txq->bd.qid); in fec_enet_txq_submit_frag_skb()
550 if (skb->ip_summed == CHECKSUM_PARTIAL) in fec_enet_txq_submit_frag_skb()
553 ebdp->cbd_bdu = 0; in fec_enet_txq_submit_frag_skb()
554 ebdp->cbd_esc = cpu_to_fec32(estatus); in fec_enet_txq_submit_frag_skb()
559 index = fec_enet_get_bd_index(bdp, &txq->bd); in fec_enet_txq_submit_frag_skb()
560 if (((unsigned long) bufaddr) & fep->tx_align || in fec_enet_txq_submit_frag_skb()
561 fep->quirks & FEC_QUIRK_SWAP_FRAME) { in fec_enet_txq_submit_frag_skb()
562 memcpy(txq->tx_bounce[index], bufaddr, frag_len); in fec_enet_txq_submit_frag_skb()
563 bufaddr = txq->tx_bounce[index]; in fec_enet_txq_submit_frag_skb()
565 if (fep->quirks & FEC_QUIRK_SWAP_FRAME) in fec_enet_txq_submit_frag_skb()
569 addr = dma_map_single(&fep->pdev->dev, bufaddr, frag_len, in fec_enet_txq_submit_frag_skb()
571 if (dma_mapping_error(&fep->pdev->dev, addr)) { in fec_enet_txq_submit_frag_skb()
577 bdp->cbd_bufaddr = cpu_to_fec32(addr); in fec_enet_txq_submit_frag_skb()
578 bdp->cbd_datlen = cpu_to_fec16(frag_len); in fec_enet_txq_submit_frag_skb()
583 bdp->cbd_sc = cpu_to_fec16(status); in fec_enet_txq_submit_frag_skb()
588 bdp = txq->bd.cur; in fec_enet_txq_submit_frag_skb()
590 bdp = fec_enet_get_nextdesc(bdp, &txq->bd); in fec_enet_txq_submit_frag_skb()
591 dma_unmap_single(&fep->pdev->dev, fec32_to_cpu(bdp->cbd_bufaddr), in fec_enet_txq_submit_frag_skb()
592 fec16_to_cpu(bdp->cbd_datlen), DMA_TO_DEVICE); in fec_enet_txq_submit_frag_skb()
594 return ERR_PTR(-ENOMEM); in fec_enet_txq_submit_frag_skb()
601 int nr_frags = skb_shinfo(skb)->nr_frags; in fec_enet_txq_submit_skb()
619 /* Protocol checksum off-load for TCP and UDP. */ in fec_enet_txq_submit_skb()
626 bdp = txq->bd.cur; in fec_enet_txq_submit_skb()
628 status = fec16_to_cpu(bdp->cbd_sc); in fec_enet_txq_submit_skb()
632 bufaddr = skb->data; in fec_enet_txq_submit_skb()
635 index = fec_enet_get_bd_index(bdp, &txq->bd); in fec_enet_txq_submit_skb()
636 if (((unsigned long) bufaddr) & fep->tx_align || in fec_enet_txq_submit_skb()
637 fep->quirks & FEC_QUIRK_SWAP_FRAME) { in fec_enet_txq_submit_skb()
638 memcpy(txq->tx_bounce[index], skb->data, buflen); in fec_enet_txq_submit_skb()
639 bufaddr = txq->tx_bounce[index]; in fec_enet_txq_submit_skb()
641 if (fep->quirks & FEC_QUIRK_SWAP_FRAME) in fec_enet_txq_submit_skb()
646 addr = dma_map_single(&fep->pdev->dev, bufaddr, buflen, DMA_TO_DEVICE); in fec_enet_txq_submit_skb()
647 if (dma_mapping_error(&fep->pdev->dev, addr)) { in fec_enet_txq_submit_skb()
657 dma_unmap_single(&fep->pdev->dev, addr, in fec_enet_txq_submit_skb()
664 if (fep->bufdesc_ex) { in fec_enet_txq_submit_skb()
666 if (unlikely(skb_shinfo(skb)->tx_flags & in fec_enet_txq_submit_skb()
667 SKBTX_HW_TSTAMP && fep->hwts_tx_en)) in fec_enet_txq_submit_skb()
671 bdp->cbd_bufaddr = cpu_to_fec32(addr); in fec_enet_txq_submit_skb()
672 bdp->cbd_datlen = cpu_to_fec16(buflen); in fec_enet_txq_submit_skb()
674 if (fep->bufdesc_ex) { in fec_enet_txq_submit_skb()
678 if (unlikely(skb_shinfo(skb)->tx_flags & SKBTX_HW_TSTAMP && in fec_enet_txq_submit_skb()
679 fep->hwts_tx_en)) in fec_enet_txq_submit_skb()
680 skb_shinfo(skb)->tx_flags |= SKBTX_IN_PROGRESS; in fec_enet_txq_submit_skb()
682 if (fep->quirks & FEC_QUIRK_HAS_AVB) in fec_enet_txq_submit_skb()
683 estatus |= FEC_TX_BD_FTYPE(txq->bd.qid); in fec_enet_txq_submit_skb()
685 if (skb->ip_summed == CHECKSUM_PARTIAL) in fec_enet_txq_submit_skb()
688 ebdp->cbd_bdu = 0; in fec_enet_txq_submit_skb()
689 ebdp->cbd_esc = cpu_to_fec32(estatus); in fec_enet_txq_submit_skb()
692 index = fec_enet_get_bd_index(last_bdp, &txq->bd); in fec_enet_txq_submit_skb()
694 txq->tx_buf[index].buf_p = skb; in fec_enet_txq_submit_skb()
705 bdp->cbd_sc = cpu_to_fec16(status); in fec_enet_txq_submit_skb()
708 bdp = fec_enet_get_nextdesc(last_bdp, &txq->bd); in fec_enet_txq_submit_skb()
712 /* Make sure the update to bdp is performed before txq->bd.cur. */ in fec_enet_txq_submit_skb()
714 txq->bd.cur = bdp; in fec_enet_txq_submit_skb()
717 writel(0, txq->bd.reg_desc_active); in fec_enet_txq_submit_skb()
734 status = fec16_to_cpu(bdp->cbd_sc); in fec_enet_txq_put_data_tso()
739 if (((unsigned long) data) & fep->tx_align || in fec_enet_txq_put_data_tso()
740 fep->quirks & FEC_QUIRK_SWAP_FRAME) { in fec_enet_txq_put_data_tso()
741 memcpy(txq->tx_bounce[index], data, size); in fec_enet_txq_put_data_tso()
742 data = txq->tx_bounce[index]; in fec_enet_txq_put_data_tso()
744 if (fep->quirks & FEC_QUIRK_SWAP_FRAME) in fec_enet_txq_put_data_tso()
748 addr = dma_map_single(&fep->pdev->dev, data, size, DMA_TO_DEVICE); in fec_enet_txq_put_data_tso()
749 if (dma_mapping_error(&fep->pdev->dev, addr)) { in fec_enet_txq_put_data_tso()
756 bdp->cbd_datlen = cpu_to_fec16(size); in fec_enet_txq_put_data_tso()
757 bdp->cbd_bufaddr = cpu_to_fec32(addr); in fec_enet_txq_put_data_tso()
759 if (fep->bufdesc_ex) { in fec_enet_txq_put_data_tso()
760 if (fep->quirks & FEC_QUIRK_HAS_AVB) in fec_enet_txq_put_data_tso()
761 estatus |= FEC_TX_BD_FTYPE(txq->bd.qid); in fec_enet_txq_put_data_tso()
762 if (skb->ip_summed == CHECKSUM_PARTIAL) in fec_enet_txq_put_data_tso()
764 ebdp->cbd_bdu = 0; in fec_enet_txq_put_data_tso()
765 ebdp->cbd_esc = cpu_to_fec32(estatus); in fec_enet_txq_put_data_tso()
773 if (fep->bufdesc_ex) in fec_enet_txq_put_data_tso()
774 ebdp->cbd_esc |= cpu_to_fec32(BD_ENET_TX_INT); in fec_enet_txq_put_data_tso()
777 bdp->cbd_sc = cpu_to_fec16(status); in fec_enet_txq_put_data_tso()
795 status = fec16_to_cpu(bdp->cbd_sc); in fec_enet_txq_put_hdr_tso()
799 bufaddr = txq->tso_hdrs + index * TSO_HEADER_SIZE; in fec_enet_txq_put_hdr_tso()
800 dmabuf = txq->tso_hdrs_dma + index * TSO_HEADER_SIZE; in fec_enet_txq_put_hdr_tso()
801 if (((unsigned long)bufaddr) & fep->tx_align || in fec_enet_txq_put_hdr_tso()
802 fep->quirks & FEC_QUIRK_SWAP_FRAME) { in fec_enet_txq_put_hdr_tso()
803 memcpy(txq->tx_bounce[index], skb->data, hdr_len); in fec_enet_txq_put_hdr_tso()
804 bufaddr = txq->tx_bounce[index]; in fec_enet_txq_put_hdr_tso()
806 if (fep->quirks & FEC_QUIRK_SWAP_FRAME) in fec_enet_txq_put_hdr_tso()
809 dmabuf = dma_map_single(&fep->pdev->dev, bufaddr, in fec_enet_txq_put_hdr_tso()
811 if (dma_mapping_error(&fep->pdev->dev, dmabuf)) { in fec_enet_txq_put_hdr_tso()
819 bdp->cbd_bufaddr = cpu_to_fec32(dmabuf); in fec_enet_txq_put_hdr_tso()
820 bdp->cbd_datlen = cpu_to_fec16(hdr_len); in fec_enet_txq_put_hdr_tso()
822 if (fep->bufdesc_ex) { in fec_enet_txq_put_hdr_tso()
823 if (fep->quirks & FEC_QUIRK_HAS_AVB) in fec_enet_txq_put_hdr_tso()
824 estatus |= FEC_TX_BD_FTYPE(txq->bd.qid); in fec_enet_txq_put_hdr_tso()
825 if (skb->ip_summed == CHECKSUM_PARTIAL) in fec_enet_txq_put_hdr_tso()
827 ebdp->cbd_bdu = 0; in fec_enet_txq_put_hdr_tso()
828 ebdp->cbd_esc = cpu_to_fec32(estatus); in fec_enet_txq_put_hdr_tso()
831 bdp->cbd_sc = cpu_to_fec16(status); in fec_enet_txq_put_hdr_tso()
842 struct bufdesc *bdp = txq->bd.cur; in fec_enet_txq_submit_tso()
854 /* Protocol checksum off-load for TCP and UDP. */ in fec_enet_txq_submit_tso()
863 total_len = skb->len - hdr_len; in fec_enet_txq_submit_tso()
867 index = fec_enet_get_bd_index(bdp, &txq->bd); in fec_enet_txq_submit_tso()
868 data_left = min_t(int, skb_shinfo(skb)->gso_size, total_len); in fec_enet_txq_submit_tso()
869 total_len -= data_left; in fec_enet_txq_submit_tso()
872 hdr = txq->tso_hdrs + index * TSO_HEADER_SIZE; in fec_enet_txq_submit_tso()
882 bdp = fec_enet_get_nextdesc(bdp, &txq->bd); in fec_enet_txq_submit_tso()
883 index = fec_enet_get_bd_index(bdp, &txq->bd); in fec_enet_txq_submit_tso()
892 data_left -= size; in fec_enet_txq_submit_tso()
896 bdp = fec_enet_get_nextdesc(bdp, &txq->bd); in fec_enet_txq_submit_tso()
900 txq->tx_buf[index].buf_p = skb; in fec_enet_txq_submit_tso()
903 txq->bd.cur = bdp; in fec_enet_txq_submit_tso()
906 if (!(fep->quirks & FEC_QUIRK_ERR007885) || in fec_enet_txq_submit_tso()
907 !readl(txq->bd.reg_desc_active) || in fec_enet_txq_submit_tso()
908 !readl(txq->bd.reg_desc_active) || in fec_enet_txq_submit_tso()
909 !readl(txq->bd.reg_desc_active) || in fec_enet_txq_submit_tso()
910 !readl(txq->bd.reg_desc_active)) in fec_enet_txq_submit_tso()
911 writel(0, txq->bd.reg_desc_active); in fec_enet_txq_submit_tso()
931 txq = fep->tx_queue[queue]; in fec_enet_start_xmit()
942 if (entries_free <= txq->tx_stop_threshold) in fec_enet_start_xmit()
959 for (q = 0; q < fep->num_rx_queues; q++) { in fec_enet_bd_init()
961 rxq = fep->rx_queue[q]; in fec_enet_bd_init()
962 bdp = rxq->bd.base; in fec_enet_bd_init()
964 for (i = 0; i < rxq->bd.ring_size; i++) { in fec_enet_bd_init()
967 if (bdp->cbd_bufaddr) in fec_enet_bd_init()
968 bdp->cbd_sc = cpu_to_fec16(BD_ENET_RX_EMPTY); in fec_enet_bd_init()
970 bdp->cbd_sc = cpu_to_fec16(0); in fec_enet_bd_init()
971 bdp = fec_enet_get_nextdesc(bdp, &rxq->bd); in fec_enet_bd_init()
975 bdp = fec_enet_get_prevdesc(bdp, &rxq->bd); in fec_enet_bd_init()
976 bdp->cbd_sc |= cpu_to_fec16(BD_SC_WRAP); in fec_enet_bd_init()
978 rxq->bd.cur = rxq->bd.base; in fec_enet_bd_init()
981 for (q = 0; q < fep->num_tx_queues; q++) { in fec_enet_bd_init()
983 txq = fep->tx_queue[q]; in fec_enet_bd_init()
984 bdp = txq->bd.base; in fec_enet_bd_init()
985 txq->bd.cur = bdp; in fec_enet_bd_init()
987 for (i = 0; i < txq->bd.ring_size; i++) { in fec_enet_bd_init()
989 bdp->cbd_sc = cpu_to_fec16(0); in fec_enet_bd_init()
990 if (txq->tx_buf[i].type == FEC_TXBUF_T_SKB) { in fec_enet_bd_init()
991 if (bdp->cbd_bufaddr && in fec_enet_bd_init()
992 !IS_TSO_HEADER(txq, fec32_to_cpu(bdp->cbd_bufaddr))) in fec_enet_bd_init()
993 dma_unmap_single(&fep->pdev->dev, in fec_enet_bd_init()
994 fec32_to_cpu(bdp->cbd_bufaddr), in fec_enet_bd_init()
995 fec16_to_cpu(bdp->cbd_datlen), in fec_enet_bd_init()
997 if (txq->tx_buf[i].buf_p) in fec_enet_bd_init()
998 dev_kfree_skb_any(txq->tx_buf[i].buf_p); in fec_enet_bd_init()
999 } else if (txq->tx_buf[i].type == FEC_TXBUF_T_XDP_NDO) { in fec_enet_bd_init()
1000 if (bdp->cbd_bufaddr) in fec_enet_bd_init()
1001 dma_unmap_single(&fep->pdev->dev, in fec_enet_bd_init()
1002 fec32_to_cpu(bdp->cbd_bufaddr), in fec_enet_bd_init()
1003 fec16_to_cpu(bdp->cbd_datlen), in fec_enet_bd_init()
1006 if (txq->tx_buf[i].buf_p) in fec_enet_bd_init()
1007 xdp_return_frame(txq->tx_buf[i].buf_p); in fec_enet_bd_init()
1009 struct page *page = txq->tx_buf[i].buf_p; in fec_enet_bd_init()
1012 page_pool_put_page(page->pp, page, 0, false); in fec_enet_bd_init()
1015 txq->tx_buf[i].buf_p = NULL; in fec_enet_bd_init()
1017 txq->tx_buf[i].type = FEC_TXBUF_T_SKB; in fec_enet_bd_init()
1018 bdp->cbd_bufaddr = cpu_to_fec32(0); in fec_enet_bd_init()
1019 bdp = fec_enet_get_nextdesc(bdp, &txq->bd); in fec_enet_bd_init()
1023 bdp = fec_enet_get_prevdesc(bdp, &txq->bd); in fec_enet_bd_init()
1024 bdp->cbd_sc |= cpu_to_fec16(BD_SC_WRAP); in fec_enet_bd_init()
1025 txq->dirty_tx = bdp; in fec_enet_bd_init()
1034 for (i = 0; i < fep->num_rx_queues; i++) in fec_enet_active_rxring()
1035 writel(0, fep->rx_queue[i]->bd.reg_desc_active); in fec_enet_active_rxring()
1045 for (i = 0; i < fep->num_rx_queues; i++) { in fec_enet_enable_ring()
1046 rxq = fep->rx_queue[i]; in fec_enet_enable_ring()
1047 writel(rxq->bd.dma, fep->hwp + FEC_R_DES_START(i)); in fec_enet_enable_ring()
1048 writel(PKT_MAXBUF_SIZE, fep->hwp + FEC_R_BUFF_SIZE(i)); in fec_enet_enable_ring()
1053 fep->hwp + FEC_RCMR(i)); in fec_enet_enable_ring()
1056 for (i = 0; i < fep->num_tx_queues; i++) { in fec_enet_enable_ring()
1057 txq = fep->tx_queue[i]; in fec_enet_enable_ring()
1058 writel(txq->bd.dma, fep->hwp + FEC_X_DES_START(i)); in fec_enet_enable_ring()
1063 fep->hwp + FEC_DMA_CFG(i)); in fec_enet_enable_ring()
1084 if (fep->quirks & FEC_QUIRK_HAS_MULTI_QUEUES || in fec_restart()
1085 ((fep->quirks & FEC_QUIRK_NO_HARD_RESET) && fep->link)) { in fec_restart()
1086 writel(0, fep->hwp + FEC_ECNTRL); in fec_restart()
1088 writel(1, fep->hwp + FEC_ECNTRL); in fec_restart()
1093 * enet-mac reset will reset mac address registers too, in fec_restart()
1096 memcpy(&temp_mac, ndev->dev_addr, ETH_ALEN); in fec_restart()
1098 fep->hwp + FEC_ADDR_LOW); in fec_restart()
1100 fep->hwp + FEC_ADDR_HIGH); in fec_restart()
1103 writel((0xffffffff & ~FEC_ENET_MII), fep->hwp + FEC_IEVENT); in fec_restart()
1110 if (fep->full_duplex == DUPLEX_FULL) { in fec_restart()
1112 writel(0x04, fep->hwp + FEC_X_CNTRL); in fec_restart()
1116 writel(0x0, fep->hwp + FEC_X_CNTRL); in fec_restart()
1120 writel(fep->phy_speed, fep->hwp + FEC_MII_SPEED); in fec_restart()
1123 if (fep->quirks & FEC_QUIRK_HAS_RACC) { in fec_restart()
1124 u32 val = readl(fep->hwp + FEC_RACC); in fec_restart()
1128 if (fep->csum_flags & FLAG_RX_CSUM_ENABLED) in fec_restart()
1133 writel(val, fep->hwp + FEC_RACC); in fec_restart()
1134 writel(PKT_MAXBUF_SIZE, fep->hwp + FEC_FTRL); in fec_restart()
1140 * differently on enet-mac. in fec_restart()
1142 if (fep->quirks & FEC_QUIRK_ENET_MAC) { in fec_restart()
1147 if (fep->phy_interface == PHY_INTERFACE_MODE_RGMII || in fec_restart()
1148 fep->phy_interface == PHY_INTERFACE_MODE_RGMII_ID || in fec_restart()
1149 fep->phy_interface == PHY_INTERFACE_MODE_RGMII_RXID || in fec_restart()
1150 fep->phy_interface == PHY_INTERFACE_MODE_RGMII_TXID) in fec_restart()
1152 else if (fep->phy_interface == PHY_INTERFACE_MODE_RMII) in fec_restart()
1158 if (ndev->phydev) { in fec_restart()
1159 if (ndev->phydev->speed == SPEED_1000) in fec_restart()
1161 else if (ndev->phydev->speed == SPEED_100) in fec_restart()
1168 if (fep->quirks & FEC_QUIRK_USE_GASKET) { in fec_restart()
1171 writel(0, fep->hwp + FEC_MIIGSK_ENR); in fec_restart()
1172 while (readl(fep->hwp + FEC_MIIGSK_ENR) & 4) in fec_restart()
1177 * RMII, 50 MHz, no loopback, no echo in fec_restart()
1178 * MII, 25 MHz, no loopback, no echo in fec_restart()
1180 cfgr = (fep->phy_interface == PHY_INTERFACE_MODE_RMII) in fec_restart()
1182 if (ndev->phydev && ndev->phydev->speed == SPEED_10) in fec_restart()
1184 writel(cfgr, fep->hwp + FEC_MIIGSK_CFGR); in fec_restart()
1186 /* re-enable the gasket */ in fec_restart()
1187 writel(2, fep->hwp + FEC_MIIGSK_ENR); in fec_restart()
1194 if ((fep->pause_flag & FEC_PAUSE_FLAG_ENABLE) || in fec_restart()
1195 ((fep->pause_flag & FEC_PAUSE_FLAG_AUTONEG) && in fec_restart()
1196 ndev->phydev && ndev->phydev->pause)) { in fec_restart()
1200 writel(FEC_ENET_RSEM_V, fep->hwp + FEC_R_FIFO_RSEM); in fec_restart()
1201 writel(FEC_ENET_RSFL_V, fep->hwp + FEC_R_FIFO_RSFL); in fec_restart()
1202 writel(FEC_ENET_RAEM_V, fep->hwp + FEC_R_FIFO_RAEM); in fec_restart()
1203 writel(FEC_ENET_RAFL_V, fep->hwp + FEC_R_FIFO_RAFL); in fec_restart()
1206 writel(FEC_ENET_OPD_V, fep->hwp + FEC_OPD); in fec_restart()
1212 writel(rcntl, fep->hwp + FEC_R_CNTRL); in fec_restart()
1217 writel(0, fep->hwp + FEC_HASH_TABLE_HIGH); in fec_restart()
1218 writel(0, fep->hwp + FEC_HASH_TABLE_LOW); in fec_restart()
1221 if (fep->quirks & FEC_QUIRK_ENET_MAC) { in fec_restart()
1225 writel(FEC_TXWMRK_STRFWD, fep->hwp + FEC_X_WMRK); in fec_restart()
1228 if (fep->bufdesc_ex) in fec_restart()
1231 if (fep->quirks & FEC_QUIRK_DELAYED_CLKS_SUPPORT && in fec_restart()
1232 fep->rgmii_txc_dly) in fec_restart()
1234 if (fep->quirks & FEC_QUIRK_DELAYED_CLKS_SUPPORT && in fec_restart()
1235 fep->rgmii_rxc_dly) in fec_restart()
1240 writel(0 << 31, fep->hwp + FEC_MIB_CTRLSTAT); in fec_restart()
1244 writel(ecntl, fep->hwp + FEC_ECNTRL); in fec_restart()
1247 if (fep->bufdesc_ex) in fec_restart()
1251 if (fep->link) in fec_restart()
1252 writel(FEC_DEFAULT_IMASK, fep->hwp + FEC_IMASK); in fec_restart()
1254 writel(0, fep->hwp + FEC_IMASK); in fec_restart()
1257 if (fep->quirks & FEC_QUIRK_HAS_COALESCE) in fec_restart()
1268 return imx_scu_get_handle(&fep->ipc_handle); in fec_enet_ipc_handle_init()
1273 struct device_node *np = fep->pdev->dev.of_node; in fec_enet_ipg_stop_set()
1277 if (!np || !fep->ipc_handle) in fec_enet_ipg_stop_set()
1286 imx_sc_misc_set_control(fep->ipc_handle, rsrc_id, IMX_SC_C_IPG_STOP, val); in fec_enet_ipg_stop_set()
1291 struct fec_platform_data *pdata = fep->pdev->dev.platform_data; in fec_enet_stop_mode()
1292 struct fec_stop_mode_gpr *stop_gpr = &fep->stop_gpr; in fec_enet_stop_mode()
1294 if (stop_gpr->gpr) { in fec_enet_stop_mode()
1296 regmap_update_bits(stop_gpr->gpr, stop_gpr->reg, in fec_enet_stop_mode()
1297 BIT(stop_gpr->bit), in fec_enet_stop_mode()
1298 BIT(stop_gpr->bit)); in fec_enet_stop_mode()
1300 regmap_update_bits(stop_gpr->gpr, stop_gpr->reg, in fec_enet_stop_mode()
1301 BIT(stop_gpr->bit), 0); in fec_enet_stop_mode()
1302 } else if (pdata && pdata->sleep_mode_enable) { in fec_enet_stop_mode()
1303 pdata->sleep_mode_enable(enabled); in fec_enet_stop_mode()
1313 writel(0, fep->hwp + FEC_IMASK); in fec_irqs_disable()
1320 writel(0, fep->hwp + FEC_IMASK); in fec_irqs_disable_except_wakeup()
1321 writel(FEC_ENET_WAKEUP, fep->hwp + FEC_IMASK); in fec_irqs_disable_except_wakeup()
1328 u32 rmii_mode = readl(fep->hwp + FEC_R_CNTRL) & FEC_RCR_RMII; in fec_stop()
1332 if (fep->link) { in fec_stop()
1333 writel(1, fep->hwp + FEC_X_CNTRL); /* Graceful transmit stop */ in fec_stop()
1335 if (!(readl(fep->hwp + FEC_IEVENT) & FEC_ENET_GRA)) in fec_stop()
1343 if (!(fep->wol_flag & FEC_WOL_FLAG_SLEEP_ON)) { in fec_stop()
1344 if (fep->quirks & FEC_QUIRK_HAS_MULTI_QUEUES) { in fec_stop()
1345 writel(0, fep->hwp + FEC_ECNTRL); in fec_stop()
1347 writel(FEC_ECR_RESET, fep->hwp + FEC_ECNTRL); in fec_stop()
1351 val = readl(fep->hwp + FEC_ECNTRL); in fec_stop()
1353 writel(val, fep->hwp + FEC_ECNTRL); in fec_stop()
1355 writel(fep->phy_speed, fep->hwp + FEC_MII_SPEED); in fec_stop()
1356 writel(FEC_DEFAULT_IMASK, fep->hwp + FEC_IMASK); in fec_stop()
1359 if (fep->quirks & FEC_QUIRK_ENET_MAC && in fec_stop()
1360 !(fep->wol_flag & FEC_WOL_FLAG_SLEEP_ON)) { in fec_stop()
1361 writel(FEC_ECR_ETHEREN, fep->hwp + FEC_ECNTRL); in fec_stop()
1362 writel(rmii_mode, fep->hwp + FEC_R_CNTRL); in fec_stop()
1365 if (fep->bufdesc_ex) { in fec_stop()
1366 val = readl(fep->hwp + FEC_ECNTRL); in fec_stop()
1368 writel(val, fep->hwp + FEC_ECNTRL); in fec_stop()
1379 ndev->stats.tx_errors++; in fec_timeout()
1381 schedule_work(&fep->tx_timeout_work); in fec_timeout()
1388 struct net_device *ndev = fep->netdev; in fec_enet_timeout_work()
1392 napi_disable(&fep->napi); in fec_enet_timeout_work()
1397 napi_enable(&fep->napi); in fec_enet_timeout_work()
1409 spin_lock_irqsave(&fep->tmreg_lock, flags); in fec_enet_hwtstamp()
1410 ns = timecounter_cyc2time(&fep->tc, ts); in fec_enet_hwtstamp()
1411 spin_unlock_irqrestore(&fep->tmreg_lock, flags); in fec_enet_hwtstamp()
1414 hwtstamps->hwtstamp = ns_to_ktime(ns); in fec_enet_hwtstamp()
1434 txq = fep->tx_queue[queue_id]; in fec_enet_tx_queue()
1437 bdp = txq->dirty_tx; in fec_enet_tx_queue()
1440 bdp = fec_enet_get_nextdesc(bdp, &txq->bd); in fec_enet_tx_queue()
1442 while (bdp != READ_ONCE(txq->bd.cur)) { in fec_enet_tx_queue()
1445 status = fec16_to_cpu(READ_ONCE(bdp->cbd_sc)); in fec_enet_tx_queue()
1449 index = fec_enet_get_bd_index(bdp, &txq->bd); in fec_enet_tx_queue()
1451 if (txq->tx_buf[index].type == FEC_TXBUF_T_SKB) { in fec_enet_tx_queue()
1452 skb = txq->tx_buf[index].buf_p; in fec_enet_tx_queue()
1453 if (bdp->cbd_bufaddr && in fec_enet_tx_queue()
1454 !IS_TSO_HEADER(txq, fec32_to_cpu(bdp->cbd_bufaddr))) in fec_enet_tx_queue()
1455 dma_unmap_single(&fep->pdev->dev, in fec_enet_tx_queue()
1456 fec32_to_cpu(bdp->cbd_bufaddr), in fec_enet_tx_queue()
1457 fec16_to_cpu(bdp->cbd_datlen), in fec_enet_tx_queue()
1459 bdp->cbd_bufaddr = cpu_to_fec32(0); in fec_enet_tx_queue()
1471 if (txq->tx_buf[index].type == FEC_TXBUF_T_XDP_NDO) { in fec_enet_tx_queue()
1472 xdpf = txq->tx_buf[index].buf_p; in fec_enet_tx_queue()
1473 if (bdp->cbd_bufaddr) in fec_enet_tx_queue()
1474 dma_unmap_single(&fep->pdev->dev, in fec_enet_tx_queue()
1475 fec32_to_cpu(bdp->cbd_bufaddr), in fec_enet_tx_queue()
1476 fec16_to_cpu(bdp->cbd_datlen), in fec_enet_tx_queue()
1479 page = txq->tx_buf[index].buf_p; in fec_enet_tx_queue()
1482 bdp->cbd_bufaddr = cpu_to_fec32(0); in fec_enet_tx_queue()
1483 if (unlikely(!txq->tx_buf[index].buf_p)) { in fec_enet_tx_queue()
1484 txq->tx_buf[index].type = FEC_TXBUF_T_SKB; in fec_enet_tx_queue()
1488 frame_len = fec16_to_cpu(bdp->cbd_datlen); in fec_enet_tx_queue()
1495 ndev->stats.tx_errors++; in fec_enet_tx_queue()
1497 ndev->stats.tx_heartbeat_errors++; in fec_enet_tx_queue()
1499 ndev->stats.tx_window_errors++; in fec_enet_tx_queue()
1501 ndev->stats.tx_aborted_errors++; in fec_enet_tx_queue()
1503 ndev->stats.tx_fifo_errors++; in fec_enet_tx_queue()
1505 ndev->stats.tx_carrier_errors++; in fec_enet_tx_queue()
1507 ndev->stats.tx_packets++; in fec_enet_tx_queue()
1509 if (txq->tx_buf[index].type == FEC_TXBUF_T_SKB) in fec_enet_tx_queue()
1510 ndev->stats.tx_bytes += skb->len; in fec_enet_tx_queue()
1512 ndev->stats.tx_bytes += frame_len; in fec_enet_tx_queue()
1519 ndev->stats.collisions++; in fec_enet_tx_queue()
1521 if (txq->tx_buf[index].type == FEC_TXBUF_T_SKB) { in fec_enet_tx_queue()
1526 if (unlikely(skb_shinfo(skb)->tx_flags & SKBTX_IN_PROGRESS && in fec_enet_tx_queue()
1527 fep->hwts_tx_en) && fep->bufdesc_ex) { in fec_enet_tx_queue()
1531 fec_enet_hwtstamp(fep, fec32_to_cpu(ebdp->ts), &shhwtstamps); in fec_enet_tx_queue()
1537 } else if (txq->tx_buf[index].type == FEC_TXBUF_T_XDP_NDO) { in fec_enet_tx_queue()
1541 page_pool_put_page(page->pp, page, 0, true); in fec_enet_tx_queue()
1544 txq->tx_buf[index].buf_p = NULL; in fec_enet_tx_queue()
1546 txq->tx_buf[index].type = FEC_TXBUF_T_SKB; in fec_enet_tx_queue()
1553 txq->dirty_tx = bdp; in fec_enet_tx_queue()
1556 bdp = fec_enet_get_nextdesc(bdp, &txq->bd); in fec_enet_tx_queue()
1562 if (entries_free >= txq->tx_wake_threshold) in fec_enet_tx_queue()
1568 if (bdp != txq->bd.cur && in fec_enet_tx_queue()
1569 readl(txq->bd.reg_desc_active) == 0) in fec_enet_tx_queue()
1570 writel(0, txq->bd.reg_desc_active); in fec_enet_tx_queue()
1579 for (i = fep->num_tx_queues - 1; i >= 0; i--) in fec_enet_tx()
1589 new_page = page_pool_dev_alloc_pages(rxq->page_pool); in fec_enet_update_cbd()
1591 rxq->rx_skb_info[index].page = new_page; in fec_enet_update_cbd()
1593 rxq->rx_skb_info[index].offset = FEC_ENET_XDP_HEADROOM; in fec_enet_update_cbd()
1595 bdp->cbd_bufaddr = cpu_to_fec32(phys_addr); in fec_enet_update_cbd()
1602 unsigned int sync, len = xdp->data_end - xdp->data; in fec_enet_run_xdp()
1613 sync = xdp->data_end - xdp->data; in fec_enet_run_xdp()
1618 rxq->stats[RX_XDP_PASS]++; in fec_enet_run_xdp()
1623 rxq->stats[RX_XDP_REDIRECT]++; in fec_enet_run_xdp()
1624 err = xdp_do_redirect(fep->netdev, xdp, prog); in fec_enet_run_xdp()
1632 rxq->stats[RX_XDP_TX]++; in fec_enet_run_xdp()
1635 rxq->stats[RX_XDP_TX_ERRORS]++; in fec_enet_run_xdp()
1643 bpf_warn_invalid_xdp_action(fep->netdev, prog, act); in fec_enet_run_xdp()
1650 rxq->stats[RX_XDP_DROP]++; in fec_enet_run_xdp()
1653 page = virt_to_head_page(xdp->data); in fec_enet_run_xdp()
1654 page_pool_put_page(rxq->page_pool, page, sync, true); in fec_enet_run_xdp()
1656 trace_xdp_exception(fep->netdev, prog, act); in fec_enet_run_xdp()
1683 bool need_swap = fep->quirks & FEC_QUIRK_SWAP_FRAME; in fec_enet_rx_queue()
1684 struct bpf_prog *xdp_prog = READ_ONCE(fep->xdp_prog); in fec_enet_rx_queue()
1696 if (fep->quirks & FEC_QUIRK_HAS_RACC) { in fec_enet_rx_queue()
1709 rxq = fep->rx_queue[queue_id]; in fec_enet_rx_queue()
1714 bdp = rxq->bd.cur; in fec_enet_rx_queue()
1715 xdp_init_buff(&xdp, PAGE_SIZE, &rxq->xdp_rxq); in fec_enet_rx_queue()
1717 while (!((status = fec16_to_cpu(bdp->cbd_sc)) & BD_ENET_RX_EMPTY)) { in fec_enet_rx_queue()
1723 writel(FEC_ENET_RXF_GET(queue_id), fep->hwp + FEC_IEVENT); in fec_enet_rx_queue()
1730 ndev->stats.rx_errors++; in fec_enet_rx_queue()
1733 ndev->stats.rx_fifo_errors++; in fec_enet_rx_queue()
1739 ndev->stats.rx_length_errors++; in fec_enet_rx_queue()
1744 ndev->stats.rx_crc_errors++; in fec_enet_rx_queue()
1747 ndev->stats.rx_frame_errors++; in fec_enet_rx_queue()
1752 ndev->stats.rx_packets++; in fec_enet_rx_queue()
1753 pkt_len = fec16_to_cpu(bdp->cbd_datlen); in fec_enet_rx_queue()
1754 ndev->stats.rx_bytes += pkt_len; in fec_enet_rx_queue()
1756 index = fec_enet_get_bd_index(bdp, &rxq->bd); in fec_enet_rx_queue()
1757 page = rxq->rx_skb_info[index].page; in fec_enet_rx_queue()
1758 dma_sync_single_for_cpu(&fep->pdev->dev, in fec_enet_rx_queue()
1759 fec32_to_cpu(bdp->cbd_bufaddr), in fec_enet_rx_queue()
1769 data_start, pkt_len - sub_len, false); in fec_enet_rx_queue()
1782 page_pool_recycle_direct(rxq->page_pool, page); in fec_enet_rx_queue()
1783 ndev->stats.rx_dropped++; in fec_enet_rx_queue()
1790 skb_put(skb, pkt_len - sub_len); in fec_enet_rx_queue()
1797 data = skb->data; in fec_enet_rx_queue()
1801 if (fep->bufdesc_ex) in fec_enet_rx_queue()
1806 if ((ndev->features & NETIF_F_HW_VLAN_CTAG_RX) && in fec_enet_rx_queue()
1807 fep->bufdesc_ex && in fec_enet_rx_queue()
1808 (ebdp->cbd_esc & cpu_to_fec32(BD_ENET_RX_VLAN))) { in fec_enet_rx_queue()
1812 vlan_tag = ntohs(vlan_header->h_vlan_TCI); in fec_enet_rx_queue()
1816 memmove(skb->data + VLAN_HLEN, data, ETH_ALEN * 2); in fec_enet_rx_queue()
1820 skb->protocol = eth_type_trans(skb, ndev); in fec_enet_rx_queue()
1823 if (fep->hwts_rx_en && fep->bufdesc_ex) in fec_enet_rx_queue()
1824 fec_enet_hwtstamp(fep, fec32_to_cpu(ebdp->ts), in fec_enet_rx_queue()
1827 if (fep->bufdesc_ex && in fec_enet_rx_queue()
1828 (fep->csum_flags & FLAG_RX_CSUM_ENABLED)) { in fec_enet_rx_queue()
1829 if (!(ebdp->cbd_esc & cpu_to_fec32(FLAG_RX_CSUM_ERROR))) { in fec_enet_rx_queue()
1831 skb->ip_summed = CHECKSUM_UNNECESSARY; in fec_enet_rx_queue()
1844 napi_gro_receive(&fep->napi, skb); in fec_enet_rx_queue()
1853 if (fep->bufdesc_ex) { in fec_enet_rx_queue()
1856 ebdp->cbd_esc = cpu_to_fec32(BD_ENET_RX_INT); in fec_enet_rx_queue()
1857 ebdp->cbd_prot = 0; in fec_enet_rx_queue()
1858 ebdp->cbd_bdu = 0; in fec_enet_rx_queue()
1864 bdp->cbd_sc = cpu_to_fec16(status); in fec_enet_rx_queue()
1867 bdp = fec_enet_get_nextdesc(bdp, &rxq->bd); in fec_enet_rx_queue()
1873 writel(0, rxq->bd.reg_desc_active); in fec_enet_rx_queue()
1875 rxq->bd.cur = bdp; in fec_enet_rx_queue()
1889 for (i = fep->num_rx_queues - 1; i >= 0; i--) in fec_enet_rx()
1890 done += fec_enet_rx_queue(ndev, budget - done, i); in fec_enet_rx()
1899 int_events = readl(fep->hwp + FEC_IEVENT); in fec_enet_collect_events()
1904 writel(int_events, fep->hwp + FEC_IEVENT); in fec_enet_collect_events()
1916 if (fec_enet_collect_events(fep) && fep->link) { in fec_enet_interrupt()
1919 if (napi_schedule_prep(&fep->napi)) { in fec_enet_interrupt()
1921 writel(0, fep->hwp + FEC_IMASK); in fec_enet_interrupt()
1922 __napi_schedule(&fep->napi); in fec_enet_interrupt()
1931 struct net_device *ndev = napi->dev; in fec_enet_rx_napi()
1936 done += fec_enet_rx(ndev, budget - done); in fec_enet_rx_napi()
1942 writel(FEC_DEFAULT_IMASK, fep->hwp + FEC_IMASK); in fec_enet_rx_napi()
1948 /* ------------------------------------------------------------------------- */
1967 struct device_node *np = fep->pdev->dev.of_node; in fec_get_mac()
1972 else if (ret == -EPROBE_DEFER) in fec_get_mac()
1985 struct fec_platform_data *pdata = dev_get_platdata(&fep->pdev->dev); in fec_get_mac()
1988 iap = (unsigned char *)&pdata->mac; in fec_get_mac()
1997 cpu_to_be32(readl(fep->hwp + FEC_ADDR_LOW)); in fec_get_mac()
1999 cpu_to_be16(readl(fep->hwp + FEC_ADDR_HIGH) >> 16); in fec_get_mac()
2008 dev_err(&fep->pdev->dev, "Invalid MAC address: %pM\n", iap); in fec_get_mac()
2010 dev_info(&fep->pdev->dev, "Using random MAC address: %pM\n", in fec_get_mac()
2011 ndev->dev_addr); in fec_get_mac()
2016 eth_hw_addr_gen(ndev, iap, iap == macaddr ? fep->dev_id : 0); in fec_get_mac()
2021 /* ------------------------------------------------------------------------- */
2034 return us * (fep->clk_ref_rate / 1000) / 1000; in fec_enet_us_to_tx_cycle()
2040 struct ethtool_keee *p = &fep->eee; in fec_enet_eee_mode_set()
2044 sleep_cycle = fec_enet_us_to_tx_cycle(ndev, p->tx_lpi_timer); in fec_enet_eee_mode_set()
2051 writel(sleep_cycle, fep->hwp + FEC_LPI_SLEEP); in fec_enet_eee_mode_set()
2052 writel(wake_cycle, fep->hwp + FEC_LPI_WAKE); in fec_enet_eee_mode_set()
2060 struct phy_device *phy_dev = ndev->phydev; in fec_enet_adjust_link()
2069 fep->link = 0; in fec_enet_adjust_link()
2070 } else if (phy_dev->link) { in fec_enet_adjust_link()
2071 if (!fep->link) { in fec_enet_adjust_link()
2072 fep->link = phy_dev->link; in fec_enet_adjust_link()
2076 if (fep->full_duplex != phy_dev->duplex) { in fec_enet_adjust_link()
2077 fep->full_duplex = phy_dev->duplex; in fec_enet_adjust_link()
2081 if (phy_dev->speed != fep->speed) { in fec_enet_adjust_link()
2082 fep->speed = phy_dev->speed; in fec_enet_adjust_link()
2089 napi_disable(&fep->napi); in fec_enet_adjust_link()
2094 napi_enable(&fep->napi); in fec_enet_adjust_link()
2096 if (fep->quirks & FEC_QUIRK_HAS_EEE) in fec_enet_adjust_link()
2097 fec_enet_eee_mode_set(ndev, phy_dev->enable_tx_lpi); in fec_enet_adjust_link()
2099 if (fep->link) { in fec_enet_adjust_link()
2101 napi_disable(&fep->napi); in fec_enet_adjust_link()
2105 napi_enable(&fep->napi); in fec_enet_adjust_link()
2106 fep->link = phy_dev->link; in fec_enet_adjust_link()
2120 ret = readl_poll_timeout_atomic(fep->hwp + FEC_IEVENT, ievent, in fec_enet_mdio_wait()
2124 writel(FEC_ENET_MII, fep->hwp + FEC_IEVENT); in fec_enet_mdio_wait()
2131 struct fec_enet_private *fep = bus->priv; in fec_enet_mdio_read_c22()
2132 struct device *dev = &fep->pdev->dev; in fec_enet_mdio_read_c22()
2147 FEC_MMFR_TA, fep->hwp + FEC_MII_DATA); in fec_enet_mdio_read_c22()
2152 netdev_err(fep->netdev, "MDIO read timeout\n"); in fec_enet_mdio_read_c22()
2156 ret = FEC_MMFR_DATA(readl(fep->hwp + FEC_MII_DATA)); in fec_enet_mdio_read_c22()
2168 struct fec_enet_private *fep = bus->priv; in fec_enet_mdio_read_c45()
2169 struct device *dev = &fep->pdev->dev; in fec_enet_mdio_read_c45()
2182 fep->hwp + FEC_MII_DATA); in fec_enet_mdio_read_c45()
2187 netdev_err(fep->netdev, "MDIO address write timeout\n"); in fec_enet_mdio_read_c45()
2196 FEC_MMFR_TA, fep->hwp + FEC_MII_DATA); in fec_enet_mdio_read_c45()
2201 netdev_err(fep->netdev, "MDIO read timeout\n"); in fec_enet_mdio_read_c45()
2205 ret = FEC_MMFR_DATA(readl(fep->hwp + FEC_MII_DATA)); in fec_enet_mdio_read_c45()
2217 struct fec_enet_private *fep = bus->priv; in fec_enet_mdio_write_c22()
2218 struct device *dev = &fep->pdev->dev; in fec_enet_mdio_write_c22()
2233 fep->hwp + FEC_MII_DATA); in fec_enet_mdio_write_c22()
2238 netdev_err(fep->netdev, "MDIO write timeout\n"); in fec_enet_mdio_write_c22()
2249 struct fec_enet_private *fep = bus->priv; in fec_enet_mdio_write_c45()
2250 struct device *dev = &fep->pdev->dev; in fec_enet_mdio_write_c45()
2263 fep->hwp + FEC_MII_DATA); in fec_enet_mdio_write_c45()
2268 netdev_err(fep->netdev, "MDIO address write timeout\n"); in fec_enet_mdio_write_c45()
2276 fep->hwp + FEC_MII_DATA); in fec_enet_mdio_write_c45()
2281 netdev_err(fep->netdev, "MDIO write timeout\n"); in fec_enet_mdio_write_c45()
2293 struct phy_device *phy_dev = ndev->phydev; in fec_enet_phy_reset_after_clk_enable()
2297 } else if (fep->phy_node) { in fec_enet_phy_reset_after_clk_enable()
2305 phy_dev = of_phy_find_device(fep->phy_node); in fec_enet_phy_reset_after_clk_enable()
2307 put_device(&phy_dev->mdio.dev); in fec_enet_phy_reset_after_clk_enable()
2317 ret = clk_prepare_enable(fep->clk_enet_out); in fec_enet_clk_enable()
2321 if (fep->clk_ptp) { in fec_enet_clk_enable()
2322 mutex_lock(&fep->ptp_clk_mutex); in fec_enet_clk_enable()
2323 ret = clk_prepare_enable(fep->clk_ptp); in fec_enet_clk_enable()
2325 mutex_unlock(&fep->ptp_clk_mutex); in fec_enet_clk_enable()
2328 fep->ptp_clk_on = true; in fec_enet_clk_enable()
2330 mutex_unlock(&fep->ptp_clk_mutex); in fec_enet_clk_enable()
2333 ret = clk_prepare_enable(fep->clk_ref); in fec_enet_clk_enable()
2337 ret = clk_prepare_enable(fep->clk_2x_txclk); in fec_enet_clk_enable()
2343 clk_disable_unprepare(fep->clk_enet_out); in fec_enet_clk_enable()
2344 if (fep->clk_ptp) { in fec_enet_clk_enable()
2345 mutex_lock(&fep->ptp_clk_mutex); in fec_enet_clk_enable()
2346 clk_disable_unprepare(fep->clk_ptp); in fec_enet_clk_enable()
2347 fep->ptp_clk_on = false; in fec_enet_clk_enable()
2348 mutex_unlock(&fep->ptp_clk_mutex); in fec_enet_clk_enable()
2350 clk_disable_unprepare(fep->clk_ref); in fec_enet_clk_enable()
2351 clk_disable_unprepare(fep->clk_2x_txclk); in fec_enet_clk_enable()
2357 if (fep->clk_ref) in fec_enet_clk_enable()
2358 clk_disable_unprepare(fep->clk_ref); in fec_enet_clk_enable()
2360 if (fep->clk_ptp) { in fec_enet_clk_enable()
2361 mutex_lock(&fep->ptp_clk_mutex); in fec_enet_clk_enable()
2362 clk_disable_unprepare(fep->clk_ptp); in fec_enet_clk_enable()
2363 fep->ptp_clk_on = false; in fec_enet_clk_enable()
2364 mutex_unlock(&fep->ptp_clk_mutex); in fec_enet_clk_enable()
2367 clk_disable_unprepare(fep->clk_enet_out); in fec_enet_clk_enable()
2378 if (!of_property_read_u32(np, "tx-internal-delay-ps", &rgmii_tx_delay)) { in fec_enet_parse_rgmii_delay()
2380 dev_err(&fep->pdev->dev, "The only allowed RGMII TX delay values are: 0ps, 2000ps"); in fec_enet_parse_rgmii_delay()
2381 return -EINVAL; in fec_enet_parse_rgmii_delay()
2383 fep->rgmii_txc_dly = true; in fec_enet_parse_rgmii_delay()
2388 if (!of_property_read_u32(np, "rx-internal-delay-ps", &rgmii_rx_delay)) { in fec_enet_parse_rgmii_delay()
2390 dev_err(&fep->pdev->dev, "The only allowed RGMII RX delay values are: 0ps, 2000ps"); in fec_enet_parse_rgmii_delay()
2391 return -EINVAL; in fec_enet_parse_rgmii_delay()
2393 fep->rgmii_rxc_dly = true; in fec_enet_parse_rgmii_delay()
2407 int dev_id = fep->dev_id; in fec_enet_mii_probe()
2409 if (fep->phy_node) { in fec_enet_mii_probe()
2410 phy_dev = of_phy_connect(ndev, fep->phy_node, in fec_enet_mii_probe()
2412 fep->phy_interface); in fec_enet_mii_probe()
2415 return -ENODEV; in fec_enet_mii_probe()
2420 if (!mdiobus_is_registered_device(fep->mii_bus, phy_id)) in fec_enet_mii_probe()
2422 if (dev_id--) in fec_enet_mii_probe()
2424 strscpy(mdio_bus_id, fep->mii_bus->id, MII_BUS_ID_SIZE); in fec_enet_mii_probe()
2430 strscpy(mdio_bus_id, "fixed-0", MII_BUS_ID_SIZE); in fec_enet_mii_probe()
2437 fep->phy_interface); in fec_enet_mii_probe()
2446 if (fep->quirks & FEC_QUIRK_HAS_GBIT) { in fec_enet_mii_probe()
2457 if (fep->quirks & FEC_QUIRK_HAS_EEE) in fec_enet_mii_probe()
2460 fep->link = 0; in fec_enet_mii_probe()
2461 fep->full_duplex = 0; in fec_enet_mii_probe()
2476 int err = -ENXIO; in fec_enet_mii_init()
2485 * - fec0 supports MII & RMII modes while fec1 only supports RMII in fec_enet_mii_init()
2486 * - fec0 acts as the 1588 time master while fec1 is slave in fec_enet_mii_init()
2487 * - external phys can only be configured by fec0 in fec_enet_mii_init()
2497 if ((fep->quirks & FEC_QUIRK_SINGLE_MDIO) && fep->dev_id > 0) { in fec_enet_mii_init()
2500 fep->mii_bus = fec0_mii_bus; in fec_enet_mii_init()
2504 return -ENOENT; in fec_enet_mii_init()
2508 node = of_get_child_by_name(pdev->dev.of_node, "mdio"); in fec_enet_mii_init()
2510 of_property_read_u32(node, "clock-frequency", &bus_freq); in fec_enet_mii_init()
2512 "suppress-preamble"); in fec_enet_mii_init()
2519 * for ENET-MAC is 'ref_freq / ((MII_SPEED + 1) x 2)'. The i.MX28 in fec_enet_mii_init()
2523 mii_speed = DIV_ROUND_UP(clk_get_rate(fep->clk_ipg), bus_freq * 2); in fec_enet_mii_init()
2524 if (fep->quirks & FEC_QUIRK_ENET_MAC) in fec_enet_mii_init()
2525 mii_speed--; in fec_enet_mii_init()
2527 dev_err(&pdev->dev, in fec_enet_mii_init()
2529 clk_get_rate(fep->clk_ipg)); in fec_enet_mii_init()
2530 err = -EINVAL; in fec_enet_mii_init()
2546 holdtime = DIV_ROUND_UP(clk_get_rate(fep->clk_ipg), 100000000) - 1; in fec_enet_mii_init()
2548 fep->phy_speed = mii_speed << 1 | holdtime << 8; in fec_enet_mii_init()
2551 fep->phy_speed |= BIT(7); in fec_enet_mii_init()
2553 if (fep->quirks & FEC_QUIRK_CLEAR_SETUP_MII) { in fec_enet_mii_init()
2556 * - writing MSCR: in fec_enet_mii_init()
2557 * - mmfr[31:0]_not_zero & mscr[7:0]_is_zero & in fec_enet_mii_init()
2559 * - writing MMFR: in fec_enet_mii_init()
2560 * - mscr[7:0]_not_zero in fec_enet_mii_init()
2562 writel(0, fep->hwp + FEC_MII_DATA); in fec_enet_mii_init()
2565 writel(fep->phy_speed, fep->hwp + FEC_MII_SPEED); in fec_enet_mii_init()
2568 writel(FEC_ENET_MII, fep->hwp + FEC_IEVENT); in fec_enet_mii_init()
2570 fep->mii_bus = mdiobus_alloc(); in fec_enet_mii_init()
2571 if (fep->mii_bus == NULL) { in fec_enet_mii_init()
2572 err = -ENOMEM; in fec_enet_mii_init()
2576 fep->mii_bus->name = "fec_enet_mii_bus"; in fec_enet_mii_init()
2577 fep->mii_bus->read = fec_enet_mdio_read_c22; in fec_enet_mii_init()
2578 fep->mii_bus->write = fec_enet_mdio_write_c22; in fec_enet_mii_init()
2579 if (fep->quirks & FEC_QUIRK_HAS_MDIO_C45) { in fec_enet_mii_init()
2580 fep->mii_bus->read_c45 = fec_enet_mdio_read_c45; in fec_enet_mii_init()
2581 fep->mii_bus->write_c45 = fec_enet_mdio_write_c45; in fec_enet_mii_init()
2583 snprintf(fep->mii_bus->id, MII_BUS_ID_SIZE, "%s-%x", in fec_enet_mii_init()
2584 pdev->name, fep->dev_id + 1); in fec_enet_mii_init()
2585 fep->mii_bus->priv = fep; in fec_enet_mii_init()
2586 fep->mii_bus->parent = &pdev->dev; in fec_enet_mii_init()
2588 err = of_mdiobus_register(fep->mii_bus, node); in fec_enet_mii_init()
2595 phydev = mdiobus_get_phy(fep->mii_bus, addr); in fec_enet_mii_init()
2597 phydev->mac_managed_pm = true; in fec_enet_mii_init()
2603 if (fep->quirks & FEC_QUIRK_SINGLE_MDIO) in fec_enet_mii_init()
2604 fec0_mii_bus = fep->mii_bus; in fec_enet_mii_init()
2609 mdiobus_free(fep->mii_bus); in fec_enet_mii_init()
2617 if (--mii_cnt == 0) { in fec_enet_mii_remove()
2618 mdiobus_unregister(fep->mii_bus); in fec_enet_mii_remove()
2619 mdiobus_free(fep->mii_bus); in fec_enet_mii_remove()
2628 strscpy(info->driver, fep->pdev->dev.driver->name, in fec_enet_get_drvinfo()
2629 sizeof(info->driver)); in fec_enet_get_drvinfo()
2630 strscpy(info->bus_info, dev_name(&ndev->dev), sizeof(info->bus_info)); in fec_enet_get_drvinfo()
2639 r = platform_get_resource(fep->pdev, IORESOURCE_MEM, 0); in fec_enet_get_regs_len()
2724 u32 __iomem *theregs = (u32 __iomem *)fep->hwp; in fec_enet_get_regs()
2725 struct device *dev = &fep->pdev->dev; in fec_enet_get_regs()
2751 regs->version = fec_enet_register_version; in fec_enet_get_regs()
2753 memset(buf, 0, regs->len); in fec_enet_get_regs()
2759 !(fep->quirks & FEC_QUIRK_HAS_FRREG)) in fec_enet_get_regs()
2775 if (fep->bufdesc_ex) { in fec_enet_get_ts_info()
2777 info->so_timestamping = SOF_TIMESTAMPING_TX_SOFTWARE | in fec_enet_get_ts_info()
2781 if (fep->ptp_clock) in fec_enet_get_ts_info()
2782 info->phc_index = ptp_clock_index(fep->ptp_clock); in fec_enet_get_ts_info()
2784 info->tx_types = (1 << HWTSTAMP_TX_OFF) | in fec_enet_get_ts_info()
2787 info->rx_filters = (1 << HWTSTAMP_FILTER_NONE) | in fec_enet_get_ts_info()
2802 pause->autoneg = (fep->pause_flag & FEC_PAUSE_FLAG_AUTONEG) != 0; in fec_enet_get_pauseparam()
2803 pause->tx_pause = (fep->pause_flag & FEC_PAUSE_FLAG_ENABLE) != 0; in fec_enet_get_pauseparam()
2804 pause->rx_pause = pause->tx_pause; in fec_enet_get_pauseparam()
2812 if (!ndev->phydev) in fec_enet_set_pauseparam()
2813 return -ENODEV; in fec_enet_set_pauseparam()
2815 if (pause->tx_pause != pause->rx_pause) { in fec_enet_set_pauseparam()
2818 return -EINVAL; in fec_enet_set_pauseparam()
2821 fep->pause_flag = 0; in fec_enet_set_pauseparam()
2824 fep->pause_flag |= pause->rx_pause ? FEC_PAUSE_FLAG_ENABLE : 0; in fec_enet_set_pauseparam()
2825 fep->pause_flag |= pause->autoneg ? FEC_PAUSE_FLAG_AUTONEG : 0; in fec_enet_set_pauseparam()
2827 phy_set_sym_pause(ndev->phydev, pause->rx_pause, pause->tx_pause, in fec_enet_set_pauseparam()
2828 pause->autoneg); in fec_enet_set_pauseparam()
2830 if (pause->autoneg) { in fec_enet_set_pauseparam()
2833 phy_start_aneg(ndev->phydev); in fec_enet_set_pauseparam()
2836 napi_disable(&fep->napi); in fec_enet_set_pauseparam()
2841 napi_enable(&fep->napi); in fec_enet_set_pauseparam()
2931 fep->ethtool_stats[i] = readl(fep->hwp + fec_stats[i].offset); in fec_enet_update_ethtool_stats()
2940 for (i = fep->num_rx_queues - 1; i >= 0; i--) { in fec_enet_get_xdp_stats()
2941 rxq = fep->rx_queue[i]; in fec_enet_get_xdp_stats()
2944 xdp_stats[j] += rxq->stats[j]; in fec_enet_get_xdp_stats()
2957 for (i = fep->num_rx_queues - 1; i >= 0; i--) { in fec_enet_page_pool_stats()
2958 rxq = fep->rx_queue[i]; in fec_enet_page_pool_stats()
2960 if (!rxq->page_pool) in fec_enet_page_pool_stats()
2963 page_pool_get_stats(rxq->page_pool, &stats); in fec_enet_page_pool_stats()
2978 memcpy(data, fep->ethtool_stats, FEC_STATS_SIZE); in fec_enet_get_ethtool_stats()
3021 return -EOPNOTSUPP; in fec_enet_get_sset_count()
3032 writel(FEC_MIB_CTRLSTAT_DISABLE, fep->hwp + FEC_MIB_CTRLSTAT); in fec_enet_clear_ethtool_stats()
3035 writel(0, fep->hwp + fec_stats[i].offset); in fec_enet_clear_ethtool_stats()
3037 for (i = fep->num_rx_queues - 1; i >= 0; i--) { in fec_enet_clear_ethtool_stats()
3038 rxq = fep->rx_queue[i]; in fec_enet_clear_ethtool_stats()
3040 rxq->stats[j] = 0; in fec_enet_clear_ethtool_stats()
3044 writel(0, fep->hwp + FEC_MIB_CTRLSTAT); in fec_enet_clear_ethtool_stats()
3066 return us * (fep->itr_clk_rate / 64000) / 1000; in fec_enet_us_to_itr_clock()
3076 if (!fep->rx_time_itr || !fep->rx_pkts_itr || in fec_enet_itr_coal_set()
3077 !fep->tx_time_itr || !fep->tx_pkts_itr) in fec_enet_itr_coal_set()
3087 rx_itr |= FEC_ITR_ICFT(fep->rx_pkts_itr); in fec_enet_itr_coal_set()
3088 rx_itr |= FEC_ITR_ICTT(fec_enet_us_to_itr_clock(ndev, fep->rx_time_itr)); in fec_enet_itr_coal_set()
3089 tx_itr |= FEC_ITR_ICFT(fep->tx_pkts_itr); in fec_enet_itr_coal_set()
3090 tx_itr |= FEC_ITR_ICTT(fec_enet_us_to_itr_clock(ndev, fep->tx_time_itr)); in fec_enet_itr_coal_set()
3095 writel(tx_itr, fep->hwp + FEC_TXIC0); in fec_enet_itr_coal_set()
3096 writel(rx_itr, fep->hwp + FEC_RXIC0); in fec_enet_itr_coal_set()
3097 if (fep->quirks & FEC_QUIRK_HAS_MULTI_QUEUES) { in fec_enet_itr_coal_set()
3098 writel(tx_itr, fep->hwp + FEC_TXIC1); in fec_enet_itr_coal_set()
3099 writel(rx_itr, fep->hwp + FEC_RXIC1); in fec_enet_itr_coal_set()
3100 writel(tx_itr, fep->hwp + FEC_TXIC2); in fec_enet_itr_coal_set()
3101 writel(rx_itr, fep->hwp + FEC_RXIC2); in fec_enet_itr_coal_set()
3112 if (!(fep->quirks & FEC_QUIRK_HAS_COALESCE)) in fec_enet_get_coalesce()
3113 return -EOPNOTSUPP; in fec_enet_get_coalesce()
3115 ec->rx_coalesce_usecs = fep->rx_time_itr; in fec_enet_get_coalesce()
3116 ec->rx_max_coalesced_frames = fep->rx_pkts_itr; in fec_enet_get_coalesce()
3118 ec->tx_coalesce_usecs = fep->tx_time_itr; in fec_enet_get_coalesce()
3119 ec->tx_max_coalesced_frames = fep->tx_pkts_itr; in fec_enet_get_coalesce()
3130 struct device *dev = &fep->pdev->dev; in fec_enet_set_coalesce()
3133 if (!(fep->quirks & FEC_QUIRK_HAS_COALESCE)) in fec_enet_set_coalesce()
3134 return -EOPNOTSUPP; in fec_enet_set_coalesce()
3136 if (ec->rx_max_coalesced_frames > 255) { in fec_enet_set_coalesce()
3138 return -EINVAL; in fec_enet_set_coalesce()
3141 if (ec->tx_max_coalesced_frames > 255) { in fec_enet_set_coalesce()
3143 return -EINVAL; in fec_enet_set_coalesce()
3146 cycle = fec_enet_us_to_itr_clock(ndev, ec->rx_coalesce_usecs); in fec_enet_set_coalesce()
3149 return -EINVAL; in fec_enet_set_coalesce()
3152 cycle = fec_enet_us_to_itr_clock(ndev, ec->tx_coalesce_usecs); in fec_enet_set_coalesce()
3155 return -EINVAL; in fec_enet_set_coalesce()
3158 fep->rx_time_itr = ec->rx_coalesce_usecs; in fec_enet_set_coalesce()
3159 fep->rx_pkts_itr = ec->rx_max_coalesced_frames; in fec_enet_set_coalesce()
3161 fep->tx_time_itr = ec->tx_coalesce_usecs; in fec_enet_set_coalesce()
3162 fep->tx_pkts_itr = ec->tx_max_coalesced_frames; in fec_enet_set_coalesce()
3173 struct ethtool_keee *p = &fep->eee; in fec_enet_get_eee()
3175 if (!(fep->quirks & FEC_QUIRK_HAS_EEE)) in fec_enet_get_eee()
3176 return -EOPNOTSUPP; in fec_enet_get_eee()
3179 return -ENETDOWN; in fec_enet_get_eee()
3181 edata->tx_lpi_timer = p->tx_lpi_timer; in fec_enet_get_eee()
3183 return phy_ethtool_get_eee(ndev->phydev, edata); in fec_enet_get_eee()
3190 struct ethtool_keee *p = &fep->eee; in fec_enet_set_eee()
3192 if (!(fep->quirks & FEC_QUIRK_HAS_EEE)) in fec_enet_set_eee()
3193 return -EOPNOTSUPP; in fec_enet_set_eee()
3196 return -ENETDOWN; in fec_enet_set_eee()
3198 p->tx_lpi_timer = edata->tx_lpi_timer; in fec_enet_set_eee()
3200 return phy_ethtool_set_eee(ndev->phydev, edata); in fec_enet_set_eee()
3208 if (fep->wol_flag & FEC_WOL_HAS_MAGIC_PACKET) { in fec_enet_get_wol()
3209 wol->supported = WAKE_MAGIC; in fec_enet_get_wol()
3210 wol->wolopts = fep->wol_flag & FEC_WOL_FLAG_ENABLE ? WAKE_MAGIC : 0; in fec_enet_get_wol()
3212 wol->supported = wol->wolopts = 0; in fec_enet_get_wol()
3221 if (!(fep->wol_flag & FEC_WOL_HAS_MAGIC_PACKET)) in fec_enet_set_wol()
3222 return -EINVAL; in fec_enet_set_wol()
3224 if (wol->wolopts & ~WAKE_MAGIC) in fec_enet_set_wol()
3225 return -EINVAL; in fec_enet_set_wol()
3227 device_set_wakeup_enable(&ndev->dev, wol->wolopts & WAKE_MAGIC); in fec_enet_set_wol()
3228 if (device_may_wakeup(&ndev->dev)) in fec_enet_set_wol()
3229 fep->wol_flag |= FEC_WOL_FLAG_ENABLE; in fec_enet_set_wol()
3231 fep->wol_flag &= (~FEC_WOL_FLAG_ENABLE); in fec_enet_set_wol()
3271 for (q = 0; q < fep->num_rx_queues; q++) { in fec_enet_free_buffers()
3272 rxq = fep->rx_queue[q]; in fec_enet_free_buffers()
3273 for (i = 0; i < rxq->bd.ring_size; i++) in fec_enet_free_buffers()
3274 page_pool_put_full_page(rxq->page_pool, rxq->rx_skb_info[i].page, false); in fec_enet_free_buffers()
3277 rxq->stats[i] = 0; in fec_enet_free_buffers()
3279 if (xdp_rxq_info_is_reg(&rxq->xdp_rxq)) in fec_enet_free_buffers()
3280 xdp_rxq_info_unreg(&rxq->xdp_rxq); in fec_enet_free_buffers()
3281 page_pool_destroy(rxq->page_pool); in fec_enet_free_buffers()
3282 rxq->page_pool = NULL; in fec_enet_free_buffers()
3285 for (q = 0; q < fep->num_tx_queues; q++) { in fec_enet_free_buffers()
3286 txq = fep->tx_queue[q]; in fec_enet_free_buffers()
3287 for (i = 0; i < txq->bd.ring_size; i++) { in fec_enet_free_buffers()
3288 kfree(txq->tx_bounce[i]); in fec_enet_free_buffers()
3289 txq->tx_bounce[i] = NULL; in fec_enet_free_buffers()
3291 if (!txq->tx_buf[i].buf_p) { in fec_enet_free_buffers()
3292 txq->tx_buf[i].type = FEC_TXBUF_T_SKB; in fec_enet_free_buffers()
3296 if (txq->tx_buf[i].type == FEC_TXBUF_T_SKB) { in fec_enet_free_buffers()
3297 dev_kfree_skb(txq->tx_buf[i].buf_p); in fec_enet_free_buffers()
3298 } else if (txq->tx_buf[i].type == FEC_TXBUF_T_XDP_NDO) { in fec_enet_free_buffers()
3299 xdp_return_frame(txq->tx_buf[i].buf_p); in fec_enet_free_buffers()
3301 struct page *page = txq->tx_buf[i].buf_p; in fec_enet_free_buffers()
3303 page_pool_put_page(page->pp, page, 0, false); in fec_enet_free_buffers()
3306 txq->tx_buf[i].buf_p = NULL; in fec_enet_free_buffers()
3307 txq->tx_buf[i].type = FEC_TXBUF_T_SKB; in fec_enet_free_buffers()
3318 for (i = 0; i < fep->num_tx_queues; i++) in fec_enet_free_queue()
3319 if (fep->tx_queue[i] && fep->tx_queue[i]->tso_hdrs) { in fec_enet_free_queue()
3320 txq = fep->tx_queue[i]; in fec_enet_free_queue()
3321 fec_dma_free(&fep->pdev->dev, in fec_enet_free_queue()
3322 txq->bd.ring_size * TSO_HEADER_SIZE, in fec_enet_free_queue()
3323 txq->tso_hdrs, txq->tso_hdrs_dma); in fec_enet_free_queue()
3326 for (i = 0; i < fep->num_rx_queues; i++) in fec_enet_free_queue()
3327 kfree(fep->rx_queue[i]); in fec_enet_free_queue()
3328 for (i = 0; i < fep->num_tx_queues; i++) in fec_enet_free_queue()
3329 kfree(fep->tx_queue[i]); in fec_enet_free_queue()
3339 for (i = 0; i < fep->num_tx_queues; i++) { in fec_enet_alloc_queue()
3342 ret = -ENOMEM; in fec_enet_alloc_queue()
3346 fep->tx_queue[i] = txq; in fec_enet_alloc_queue()
3347 txq->bd.ring_size = TX_RING_SIZE; in fec_enet_alloc_queue()
3348 fep->total_tx_ring_size += fep->tx_queue[i]->bd.ring_size; in fec_enet_alloc_queue()
3350 txq->tx_stop_threshold = FEC_MAX_SKB_DESCS; in fec_enet_alloc_queue()
3351 txq->tx_wake_threshold = FEC_MAX_SKB_DESCS + 2 * MAX_SKB_FRAGS; in fec_enet_alloc_queue()
3353 txq->tso_hdrs = fec_dma_alloc(&fep->pdev->dev, in fec_enet_alloc_queue()
3354 txq->bd.ring_size * TSO_HEADER_SIZE, in fec_enet_alloc_queue()
3355 &txq->tso_hdrs_dma, GFP_KERNEL); in fec_enet_alloc_queue()
3356 if (!txq->tso_hdrs) { in fec_enet_alloc_queue()
3357 ret = -ENOMEM; in fec_enet_alloc_queue()
3362 for (i = 0; i < fep->num_rx_queues; i++) { in fec_enet_alloc_queue()
3363 fep->rx_queue[i] = kzalloc(sizeof(*fep->rx_queue[i]), in fec_enet_alloc_queue()
3365 if (!fep->rx_queue[i]) { in fec_enet_alloc_queue()
3366 ret = -ENOMEM; in fec_enet_alloc_queue()
3370 fep->rx_queue[i]->bd.ring_size = RX_RING_SIZE; in fec_enet_alloc_queue()
3371 fep->total_rx_ring_size += fep->rx_queue[i]->bd.ring_size; in fec_enet_alloc_queue()
3390 rxq = fep->rx_queue[queue]; in fec_enet_alloc_rxq_buffers()
3391 bdp = rxq->bd.base; in fec_enet_alloc_rxq_buffers()
3393 err = fec_enet_create_page_pool(fep, rxq, rxq->bd.ring_size); in fec_enet_alloc_rxq_buffers()
3399 for (i = 0; i < rxq->bd.ring_size; i++) { in fec_enet_alloc_rxq_buffers()
3400 page = page_pool_dev_alloc_pages(rxq->page_pool); in fec_enet_alloc_rxq_buffers()
3405 bdp->cbd_bufaddr = cpu_to_fec32(phys_addr); in fec_enet_alloc_rxq_buffers()
3407 rxq->rx_skb_info[i].page = page; in fec_enet_alloc_rxq_buffers()
3408 rxq->rx_skb_info[i].offset = FEC_ENET_XDP_HEADROOM; in fec_enet_alloc_rxq_buffers()
3409 bdp->cbd_sc = cpu_to_fec16(BD_ENET_RX_EMPTY); in fec_enet_alloc_rxq_buffers()
3411 if (fep->bufdesc_ex) { in fec_enet_alloc_rxq_buffers()
3413 ebdp->cbd_esc = cpu_to_fec32(BD_ENET_RX_INT); in fec_enet_alloc_rxq_buffers()
3416 bdp = fec_enet_get_nextdesc(bdp, &rxq->bd); in fec_enet_alloc_rxq_buffers()
3420 bdp = fec_enet_get_prevdesc(bdp, &rxq->bd); in fec_enet_alloc_rxq_buffers()
3421 bdp->cbd_sc |= cpu_to_fec16(BD_SC_WRAP); in fec_enet_alloc_rxq_buffers()
3426 return -ENOMEM; in fec_enet_alloc_rxq_buffers()
3437 txq = fep->tx_queue[queue]; in fec_enet_alloc_txq_buffers()
3438 bdp = txq->bd.base; in fec_enet_alloc_txq_buffers()
3439 for (i = 0; i < txq->bd.ring_size; i++) { in fec_enet_alloc_txq_buffers()
3440 txq->tx_bounce[i] = kmalloc(FEC_ENET_TX_FRSIZE, GFP_KERNEL); in fec_enet_alloc_txq_buffers()
3441 if (!txq->tx_bounce[i]) in fec_enet_alloc_txq_buffers()
3444 bdp->cbd_sc = cpu_to_fec16(0); in fec_enet_alloc_txq_buffers()
3445 bdp->cbd_bufaddr = cpu_to_fec32(0); in fec_enet_alloc_txq_buffers()
3447 if (fep->bufdesc_ex) { in fec_enet_alloc_txq_buffers()
3449 ebdp->cbd_esc = cpu_to_fec32(BD_ENET_TX_INT); in fec_enet_alloc_txq_buffers()
3452 bdp = fec_enet_get_nextdesc(bdp, &txq->bd); in fec_enet_alloc_txq_buffers()
3456 bdp = fec_enet_get_prevdesc(bdp, &txq->bd); in fec_enet_alloc_txq_buffers()
3457 bdp->cbd_sc |= cpu_to_fec16(BD_SC_WRAP); in fec_enet_alloc_txq_buffers()
3463 return -ENOMEM; in fec_enet_alloc_txq_buffers()
3471 for (i = 0; i < fep->num_rx_queues; i++) in fec_enet_alloc_buffers()
3473 return -ENOMEM; in fec_enet_alloc_buffers()
3475 for (i = 0; i < fep->num_tx_queues; i++) in fec_enet_alloc_buffers()
3477 return -ENOMEM; in fec_enet_alloc_buffers()
3488 ret = pm_runtime_resume_and_get(&fep->pdev->dev); in fec_enet_open()
3492 pinctrl_pm_select_default_state(&fep->pdev->dev); in fec_enet_open()
3503 if (ndev->phydev && ndev->phydev->drv) in fec_enet_open()
3530 if (fep->quirks & FEC_QUIRK_ERR006687) in fec_enet_open()
3533 if (fep->quirks & FEC_QUIRK_HAS_PMQOS) in fec_enet_open()
3534 cpu_latency_qos_add_request(&fep->pm_qos_req, 0); in fec_enet_open()
3536 napi_enable(&fep->napi); in fec_enet_open()
3537 phy_start(ndev->phydev); in fec_enet_open()
3540 device_set_wakeup_enable(&ndev->dev, fep->wol_flag & in fec_enet_open()
3550 pm_runtime_mark_last_busy(&fep->pdev->dev); in fec_enet_open()
3551 pm_runtime_put_autosuspend(&fep->pdev->dev); in fec_enet_open()
3552 pinctrl_pm_select_sleep_state(&fep->pdev->dev); in fec_enet_open()
3561 phy_stop(ndev->phydev); in fec_enet_close()
3564 napi_disable(&fep->napi); in fec_enet_close()
3569 phy_disconnect(ndev->phydev); in fec_enet_close()
3571 if (fep->quirks & FEC_QUIRK_ERR006687) in fec_enet_close()
3577 if (fep->quirks & FEC_QUIRK_HAS_PMQOS) in fec_enet_close()
3578 cpu_latency_qos_remove_request(&fep->pm_qos_req); in fec_enet_close()
3580 pinctrl_pm_select_sleep_state(&fep->pdev->dev); in fec_enet_close()
3581 pm_runtime_mark_last_busy(&fep->pdev->dev); in fec_enet_close()
3582 pm_runtime_put_autosuspend(&fep->pdev->dev); in fec_enet_close()
3609 if (ndev->flags & IFF_PROMISC) { in set_multicast_list()
3610 tmp = readl(fep->hwp + FEC_R_CNTRL); in set_multicast_list()
3612 writel(tmp, fep->hwp + FEC_R_CNTRL); in set_multicast_list()
3616 tmp = readl(fep->hwp + FEC_R_CNTRL); in set_multicast_list()
3618 writel(tmp, fep->hwp + FEC_R_CNTRL); in set_multicast_list()
3620 if (ndev->flags & IFF_ALLMULTI) { in set_multicast_list()
3624 writel(0xffffffff, fep->hwp + FEC_GRP_HASH_TABLE_HIGH); in set_multicast_list()
3625 writel(0xffffffff, fep->hwp + FEC_GRP_HASH_TABLE_LOW); in set_multicast_list()
3633 crc = ether_crc_le(ndev->addr_len, ha->addr); in set_multicast_list()
3638 hash = (crc >> (32 - FEC_HASH_BITS)) & 0x3f; in set_multicast_list()
3641 hash_high |= 1 << (hash - 32); in set_multicast_list()
3646 writel(hash_high, fep->hwp + FEC_GRP_HASH_TABLE_HIGH); in set_multicast_list()
3647 writel(hash_low, fep->hwp + FEC_GRP_HASH_TABLE_LOW); in set_multicast_list()
3658 if (!is_valid_ether_addr(addr->sa_data)) in fec_set_mac_address()
3659 return -EADDRNOTAVAIL; in fec_set_mac_address()
3660 eth_hw_addr_set(ndev, addr->sa_data); in fec_set_mac_address()
3671 writel(ndev->dev_addr[3] | (ndev->dev_addr[2] << 8) | in fec_set_mac_address()
3672 (ndev->dev_addr[1] << 16) | (ndev->dev_addr[0] << 24), in fec_set_mac_address()
3673 fep->hwp + FEC_ADDR_LOW); in fec_set_mac_address()
3674 writel((ndev->dev_addr[5] << 16) | (ndev->dev_addr[4] << 24), in fec_set_mac_address()
3675 fep->hwp + FEC_ADDR_HIGH); in fec_set_mac_address()
3683 netdev_features_t changed = features ^ netdev->features; in fec_enet_set_netdev_features()
3685 netdev->features = features; in fec_enet_set_netdev_features()
3690 fep->csum_flags |= FLAG_RX_CSUM_ENABLED; in fec_enet_set_netdev_features()
3692 fep->csum_flags &= ~FLAG_RX_CSUM_ENABLED; in fec_enet_set_netdev_features()
3700 netdev_features_t changed = features ^ netdev->features; in fec_set_features()
3703 napi_disable(&fep->napi); in fec_set_features()
3710 napi_enable(&fep->napi); in fec_set_features()
3724 if (!(fep->quirks & FEC_QUIRK_HAS_AVB)) in fec_enet_select_queue()
3728 if (eth_type_vlan(skb->protocol)) { in fec_enet_select_queue()
3731 vlan_tag = ntohs(vhdr->h_vlan_TCI); in fec_enet_select_queue()
3734 vlan_tag = skb->vlan_tci; in fec_enet_select_queue()
3748 switch (bpf->command) { in fec_enet_bpf()
3754 if (fep->quirks & FEC_QUIRK_SWAP_FRAME) in fec_enet_bpf()
3755 return -EOPNOTSUPP; in fec_enet_bpf()
3757 if (!bpf->prog) in fec_enet_bpf()
3761 napi_disable(&fep->napi); in fec_enet_bpf()
3765 old_prog = xchg(&fep->xdp_prog, bpf->prog); in fec_enet_bpf()
3772 napi_enable(&fep->napi); in fec_enet_bpf()
3776 if (bpf->prog) in fec_enet_bpf()
3782 return -EOPNOTSUPP; in fec_enet_bpf()
3785 return -EOPNOTSUPP; in fec_enet_bpf()
3795 return (index % fep->num_tx_queues); in fec_enet_xdp_get_tx_queue()
3811 netdev_err_once(fep->netdev, "NOT enough BD for SG!\n"); in fec_enet_txq_xmit_frame()
3812 return -EBUSY; in fec_enet_txq_xmit_frame()
3816 bdp = txq->bd.cur; in fec_enet_txq_xmit_frame()
3817 status = fec16_to_cpu(bdp->cbd_sc); in fec_enet_txq_xmit_frame()
3820 index = fec_enet_get_bd_index(bdp, &txq->bd); in fec_enet_txq_xmit_frame()
3825 dma_addr = dma_map_single(&fep->pdev->dev, xdpf->data, in fec_enet_txq_xmit_frame()
3826 xdpf->len, DMA_TO_DEVICE); in fec_enet_txq_xmit_frame()
3827 if (dma_mapping_error(&fep->pdev->dev, dma_addr)) in fec_enet_txq_xmit_frame()
3828 return -ENOMEM; in fec_enet_txq_xmit_frame()
3830 frame_len = xdpf->len; in fec_enet_txq_xmit_frame()
3831 txq->tx_buf[index].buf_p = xdpf; in fec_enet_txq_xmit_frame()
3832 txq->tx_buf[index].type = FEC_TXBUF_T_XDP_NDO; in fec_enet_txq_xmit_frame()
3837 page = virt_to_page(xdpb->data); in fec_enet_txq_xmit_frame()
3839 (xdpb->data - xdpb->data_hard_start); in fec_enet_txq_xmit_frame()
3840 dma_sync_single_for_device(&fep->pdev->dev, dma_addr, in fec_enet_txq_xmit_frame()
3842 frame_len = xdpb->data_end - xdpb->data; in fec_enet_txq_xmit_frame()
3843 txq->tx_buf[index].buf_p = page; in fec_enet_txq_xmit_frame()
3844 txq->tx_buf[index].type = FEC_TXBUF_T_XDP_TX; in fec_enet_txq_xmit_frame()
3848 if (fep->bufdesc_ex) in fec_enet_txq_xmit_frame()
3851 bdp->cbd_bufaddr = cpu_to_fec32(dma_addr); in fec_enet_txq_xmit_frame()
3852 bdp->cbd_datlen = cpu_to_fec16(frame_len); in fec_enet_txq_xmit_frame()
3854 if (fep->bufdesc_ex) { in fec_enet_txq_xmit_frame()
3857 if (fep->quirks & FEC_QUIRK_HAS_AVB) in fec_enet_txq_xmit_frame()
3858 estatus |= FEC_TX_BD_FTYPE(txq->bd.qid); in fec_enet_txq_xmit_frame()
3860 ebdp->cbd_bdu = 0; in fec_enet_txq_xmit_frame()
3861 ebdp->cbd_esc = cpu_to_fec32(estatus); in fec_enet_txq_xmit_frame()
3873 bdp->cbd_sc = cpu_to_fec16(status); in fec_enet_txq_xmit_frame()
3876 bdp = fec_enet_get_nextdesc(bdp, &txq->bd); in fec_enet_txq_xmit_frame()
3878 /* Make sure the update to bdp are performed before txq->bd.cur. */ in fec_enet_txq_xmit_frame()
3881 txq->bd.cur = bdp; in fec_enet_txq_xmit_frame()
3884 writel(0, txq->bd.reg_desc_active); in fec_enet_txq_xmit_frame()
3898 txq = fep->tx_queue[queue]; in fec_enet_xdp_tx_xmit()
3899 nq = netdev_get_tx_queue(fep->netdev, queue); in fec_enet_xdp_tx_xmit()
3926 txq = fep->tx_queue[queue]; in fec_enet_xdp_xmit()
3927 nq = netdev_get_tx_queue(fep->netdev, queue); in fec_enet_xdp_xmit()
3950 return -EINVAL; in fec_hwtstamp_get()
3952 if (!fep->bufdesc_ex) in fec_hwtstamp_get()
3953 return -EOPNOTSUPP; in fec_hwtstamp_get()
3967 return -EINVAL; in fec_hwtstamp_set()
3969 if (!fep->bufdesc_ex) in fec_hwtstamp_set()
3970 return -EOPNOTSUPP; in fec_hwtstamp_set()
4011 unsigned dsize = fep->bufdesc_ex ? sizeof(struct bufdesc_ex) : in fec_enet_init()
4018 fep->rx_align = 0xf; in fec_enet_init()
4019 fep->tx_align = 0xf; in fec_enet_init()
4021 fep->rx_align = 0x3; in fec_enet_init()
4022 fep->tx_align = 0x3; in fec_enet_init()
4024 fep->rx_pkts_itr = FEC_ITR_ICFT_DEFAULT; in fec_enet_init()
4025 fep->tx_pkts_itr = FEC_ITR_ICFT_DEFAULT; in fec_enet_init()
4026 fep->rx_time_itr = FEC_ITR_ICTT_DEFAULT; in fec_enet_init()
4027 fep->tx_time_itr = FEC_ITR_ICTT_DEFAULT; in fec_enet_init()
4030 ret = dma_set_mask_and_coherent(&fep->pdev->dev, DMA_BIT_MASK(32)); in fec_enet_init()
4032 dev_warn(&fep->pdev->dev, "No suitable DMA available\n"); in fec_enet_init()
4040 bd_size = (fep->total_tx_ring_size + fep->total_rx_ring_size) * dsize; in fec_enet_init()
4043 cbd_base = fec_dmam_alloc(&fep->pdev->dev, bd_size, &bd_dma, in fec_enet_init()
4046 ret = -ENOMEM; in fec_enet_init()
4056 for (i = 0; i < fep->num_rx_queues; i++) { in fec_enet_init()
4057 struct fec_enet_priv_rx_q *rxq = fep->rx_queue[i]; in fec_enet_init()
4058 unsigned size = dsize * rxq->bd.ring_size; in fec_enet_init()
4060 rxq->bd.qid = i; in fec_enet_init()
4061 rxq->bd.base = cbd_base; in fec_enet_init()
4062 rxq->bd.cur = cbd_base; in fec_enet_init()
4063 rxq->bd.dma = bd_dma; in fec_enet_init()
4064 rxq->bd.dsize = dsize; in fec_enet_init()
4065 rxq->bd.dsize_log2 = dsize_log2; in fec_enet_init()
4066 rxq->bd.reg_desc_active = fep->hwp + offset_des_active_rxq[i]; in fec_enet_init()
4069 rxq->bd.last = (struct bufdesc *)(((void *)cbd_base) - dsize); in fec_enet_init()
4072 for (i = 0; i < fep->num_tx_queues; i++) { in fec_enet_init()
4073 struct fec_enet_priv_tx_q *txq = fep->tx_queue[i]; in fec_enet_init()
4074 unsigned size = dsize * txq->bd.ring_size; in fec_enet_init()
4076 txq->bd.qid = i; in fec_enet_init()
4077 txq->bd.base = cbd_base; in fec_enet_init()
4078 txq->bd.cur = cbd_base; in fec_enet_init()
4079 txq->bd.dma = bd_dma; in fec_enet_init()
4080 txq->bd.dsize = dsize; in fec_enet_init()
4081 txq->bd.dsize_log2 = dsize_log2; in fec_enet_init()
4082 txq->bd.reg_desc_active = fep->hwp + offset_des_active_txq[i]; in fec_enet_init()
4085 txq->bd.last = (struct bufdesc *)(((void *)cbd_base) - dsize); in fec_enet_init()
4090 ndev->watchdog_timeo = TX_TIMEOUT; in fec_enet_init()
4091 ndev->netdev_ops = &fec_netdev_ops; in fec_enet_init()
4092 ndev->ethtool_ops = &fec_enet_ethtool_ops; in fec_enet_init()
4094 writel(FEC_RX_DISABLED_IMASK, fep->hwp + FEC_IMASK); in fec_enet_init()
4095 netif_napi_add(ndev, &fep->napi, fec_enet_rx_napi); in fec_enet_init()
4097 if (fep->quirks & FEC_QUIRK_HAS_VLAN) in fec_enet_init()
4099 ndev->features |= NETIF_F_HW_VLAN_CTAG_RX; in fec_enet_init()
4101 if (fep->quirks & FEC_QUIRK_HAS_CSUM) { in fec_enet_init()
4105 ndev->features |= (NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM in fec_enet_init()
4107 fep->csum_flags |= FLAG_RX_CSUM_ENABLED; in fec_enet_init()
4110 if (fep->quirks & FEC_QUIRK_HAS_MULTI_QUEUES) { in fec_enet_init()
4111 fep->tx_align = 0; in fec_enet_init()
4112 fep->rx_align = 0x3f; in fec_enet_init()
4115 ndev->hw_features = ndev->features; in fec_enet_init()
4117 if (!(fep->quirks & FEC_QUIRK_SWAP_FRAME)) in fec_enet_init()
4118 ndev->xdp_features = NETDEV_XDP_ACT_BASIC | in fec_enet_init()
4123 if (fep->quirks & FEC_QUIRK_MIB_CLEAR) in fec_enet_init()
4139 netif_napi_del(&fep->napi); in fec_enet_deinit()
4148 struct device_node *np = pdev->dev.of_node; in fec_reset_phy()
4154 err = of_property_read_u32(np, "phy-reset-duration", &msec); in fec_reset_phy()
4159 err = of_property_read_u32(np, "phy-reset-post-delay", &phy_post_delay); in fec_reset_phy()
4162 return -EINVAL; in fec_reset_phy()
4164 phy_reset = devm_gpiod_get_optional(&pdev->dev, "phy-reset", in fec_reset_phy()
4167 return dev_err_probe(&pdev->dev, PTR_ERR(phy_reset), in fec_reset_phy()
4168 "failed to get phy-reset-gpios\n"); in fec_reset_phy()
4205 struct device_node *np = pdev->dev.of_node; in fec_enet_get_queue_num()
4213 of_property_read_u32(np, "fsl,num-tx-queues", num_tx); in fec_enet_get_queue_num()
4215 of_property_read_u32(np, "fsl,num-rx-queues", num_rx); in fec_enet_get_queue_num()
4218 dev_warn(&pdev->dev, "Invalid num_tx(=%d), fall back to 1\n", in fec_enet_get_queue_num()
4225 dev_warn(&pdev->dev, "Invalid num_rx(=%d), fall back to 1\n", in fec_enet_get_queue_num()
4251 if (fep->quirks & FEC_QUIRK_WAKEUP_FROM_INT2) in fec_enet_get_wakeup_irq()
4252 fep->wake_irq = fep->irq[2]; in fec_enet_get_wakeup_irq()
4254 fep->wake_irq = fep->irq[0]; in fec_enet_get_wakeup_irq()
4264 gpr_np = of_parse_phandle(np, "fsl,stop-mode", 0); in fec_enet_init_stop_mode()
4268 ret = of_property_read_u32_array(np, "fsl,stop-mode", out_val, in fec_enet_init_stop_mode()
4271 dev_dbg(&fep->pdev->dev, "no stop mode property\n"); in fec_enet_init_stop_mode()
4275 fep->stop_gpr.gpr = syscon_node_to_regmap(gpr_np); in fec_enet_init_stop_mode()
4276 if (IS_ERR(fep->stop_gpr.gpr)) { in fec_enet_init_stop_mode()
4277 dev_err(&fep->pdev->dev, "could not find gpr regmap\n"); in fec_enet_init_stop_mode()
4278 ret = PTR_ERR(fep->stop_gpr.gpr); in fec_enet_init_stop_mode()
4279 fep->stop_gpr.gpr = NULL; in fec_enet_init_stop_mode()
4283 fep->stop_gpr.reg = out_val[1]; in fec_enet_init_stop_mode()
4284 fep->stop_gpr.bit = out_val[2]; in fec_enet_init_stop_mode()
4301 struct device_node *np = pdev->dev.of_node, *phy_node; in fec_probe()
4314 return -ENOMEM; in fec_probe()
4316 SET_NETDEV_DEV(ndev, &pdev->dev); in fec_probe()
4321 dev_info = device_get_match_data(&pdev->dev); in fec_probe()
4323 dev_info = (const struct fec_devinfo *)pdev->id_entry->driver_data; in fec_probe()
4325 fep->quirks = dev_info->quirks; in fec_probe()
4327 fep->netdev = ndev; in fec_probe()
4328 fep->num_rx_queues = num_rx_qs; in fec_probe()
4329 fep->num_tx_queues = num_tx_qs; in fec_probe()
4333 if (fep->quirks & FEC_QUIRK_HAS_GBIT) in fec_probe()
4334 fep->pause_flag |= FEC_PAUSE_FLAG_AUTONEG; in fec_probe()
4338 pinctrl_pm_select_default_state(&pdev->dev); in fec_probe()
4340 fep->hwp = devm_platform_ioremap_resource(pdev, 0); in fec_probe()
4341 if (IS_ERR(fep->hwp)) { in fec_probe()
4342 ret = PTR_ERR(fep->hwp); in fec_probe()
4346 fep->pdev = pdev; in fec_probe()
4347 fep->dev_id = dev_id++; in fec_probe()
4353 !of_property_read_bool(np, "fsl,err006687-workaround-present")) in fec_probe()
4354 fep->quirks |= FEC_QUIRK_ERR006687; in fec_probe()
4360 if (of_property_read_bool(np, "fsl,magic-packet")) in fec_probe()
4361 fep->wol_flag |= FEC_WOL_HAS_MAGIC_PACKET; in fec_probe()
4367 phy_node = of_parse_phandle(np, "phy-handle", 0); in fec_probe()
4371 dev_err(&pdev->dev, in fec_probe()
4372 "broken fixed-link specification\n"); in fec_probe()
4377 fep->phy_node = phy_node; in fec_probe()
4379 ret = of_get_phy_mode(pdev->dev.of_node, &interface); in fec_probe()
4381 pdata = dev_get_platdata(&pdev->dev); in fec_probe()
4383 fep->phy_interface = pdata->phy; in fec_probe()
4385 fep->phy_interface = PHY_INTERFACE_MODE_MII; in fec_probe()
4387 fep->phy_interface = interface; in fec_probe()
4394 fep->clk_ipg = devm_clk_get(&pdev->dev, "ipg"); in fec_probe()
4395 if (IS_ERR(fep->clk_ipg)) { in fec_probe()
4396 ret = PTR_ERR(fep->clk_ipg); in fec_probe()
4400 fep->clk_ahb = devm_clk_get(&pdev->dev, "ahb"); in fec_probe()
4401 if (IS_ERR(fep->clk_ahb)) { in fec_probe()
4402 ret = PTR_ERR(fep->clk_ahb); in fec_probe()
4406 fep->itr_clk_rate = clk_get_rate(fep->clk_ahb); in fec_probe()
4409 fep->clk_enet_out = devm_clk_get_optional(&pdev->dev, "enet_out"); in fec_probe()
4410 if (IS_ERR(fep->clk_enet_out)) { in fec_probe()
4411 ret = PTR_ERR(fep->clk_enet_out); in fec_probe()
4415 fep->ptp_clk_on = false; in fec_probe()
4416 mutex_init(&fep->ptp_clk_mutex); in fec_probe()
4419 fep->clk_ref = devm_clk_get_optional(&pdev->dev, "enet_clk_ref"); in fec_probe()
4420 if (IS_ERR(fep->clk_ref)) { in fec_probe()
4421 ret = PTR_ERR(fep->clk_ref); in fec_probe()
4424 fep->clk_ref_rate = clk_get_rate(fep->clk_ref); in fec_probe()
4427 if (fep->rgmii_txc_dly || fep->rgmii_rxc_dly) { in fec_probe()
4428 fep->clk_2x_txclk = devm_clk_get(&pdev->dev, "enet_2x_txclk"); in fec_probe()
4429 if (IS_ERR(fep->clk_2x_txclk)) in fec_probe()
4430 fep->clk_2x_txclk = NULL; in fec_probe()
4433 fep->bufdesc_ex = fep->quirks & FEC_QUIRK_HAS_BUFDESC_EX; in fec_probe()
4434 fep->clk_ptp = devm_clk_get(&pdev->dev, "ptp"); in fec_probe()
4435 if (IS_ERR(fep->clk_ptp)) { in fec_probe()
4436 fep->clk_ptp = NULL; in fec_probe()
4437 fep->bufdesc_ex = false; in fec_probe()
4444 ret = clk_prepare_enable(fep->clk_ipg); in fec_probe()
4447 ret = clk_prepare_enable(fep->clk_ahb); in fec_probe()
4451 fep->reg_phy = devm_regulator_get_optional(&pdev->dev, "phy"); in fec_probe()
4452 if (!IS_ERR(fep->reg_phy)) { in fec_probe()
4453 ret = regulator_enable(fep->reg_phy); in fec_probe()
4455 dev_err(&pdev->dev, in fec_probe()
4460 if (PTR_ERR(fep->reg_phy) == -EPROBE_DEFER) { in fec_probe()
4461 ret = -EPROBE_DEFER; in fec_probe()
4464 fep->reg_phy = NULL; in fec_probe()
4467 pm_runtime_set_autosuspend_delay(&pdev->dev, FEC_MDIO_PM_TIMEOUT); in fec_probe()
4468 pm_runtime_use_autosuspend(&pdev->dev); in fec_probe()
4469 pm_runtime_get_noresume(&pdev->dev); in fec_probe()
4470 pm_runtime_set_active(&pdev->dev); in fec_probe()
4471 pm_runtime_enable(&pdev->dev); in fec_probe()
4478 if (fep->bufdesc_ex) in fec_probe()
4494 ret = devm_request_irq(&pdev->dev, irq, fec_enet_interrupt, in fec_probe()
4495 0, pdev->name, ndev); in fec_probe()
4499 fep->irq[i] = irq; in fec_probe()
4512 pinctrl_pm_select_sleep_state(&pdev->dev); in fec_probe()
4514 ndev->max_mtu = PKT_MAXBUF_SIZE - ETH_HLEN - ETH_FCS_LEN; in fec_probe()
4520 device_init_wakeup(&ndev->dev, fep->wol_flag & in fec_probe()
4523 if (fep->bufdesc_ex && fep->ptp_clock) in fec_probe()
4524 netdev_info(ndev, "registered PHC device %d\n", fep->dev_id); in fec_probe()
4526 INIT_WORK(&fep->tx_timeout_work, fec_enet_timeout_work); in fec_probe()
4528 pm_runtime_mark_last_busy(&pdev->dev); in fec_probe()
4529 pm_runtime_put_autosuspend(&pdev->dev); in fec_probe()
4541 pm_runtime_put_noidle(&pdev->dev); in fec_probe()
4542 pm_runtime_disable(&pdev->dev); in fec_probe()
4543 if (fep->reg_phy) in fec_probe()
4544 regulator_disable(fep->reg_phy); in fec_probe()
4546 clk_disable_unprepare(fep->clk_ahb); in fec_probe()
4548 clk_disable_unprepare(fep->clk_ipg); in fec_probe()
4559 dev_id--; in fec_probe()
4571 struct device_node *np = pdev->dev.of_node; in fec_drv_remove()
4574 ret = pm_runtime_get_sync(&pdev->dev); in fec_drv_remove()
4576 dev_err(&pdev->dev, in fec_drv_remove()
4580 cancel_work_sync(&fep->tx_timeout_work); in fec_drv_remove()
4584 if (fep->reg_phy) in fec_drv_remove()
4585 regulator_disable(fep->reg_phy); in fec_drv_remove()
4589 of_node_put(fep->phy_node); in fec_drv_remove()
4595 clk_disable_unprepare(fep->clk_ahb); in fec_drv_remove()
4596 clk_disable_unprepare(fep->clk_ipg); in fec_drv_remove()
4598 pm_runtime_put_noidle(&pdev->dev); in fec_drv_remove()
4599 pm_runtime_disable(&pdev->dev); in fec_drv_remove()
4613 if (fep->wol_flag & FEC_WOL_FLAG_ENABLE) in fec_suspend()
4614 fep->wol_flag |= FEC_WOL_FLAG_SLEEP_ON; in fec_suspend()
4615 phy_stop(ndev->phydev); in fec_suspend()
4616 napi_disable(&fep->napi); in fec_suspend()
4621 if (!(fep->wol_flag & FEC_WOL_FLAG_ENABLE)) { in fec_suspend()
4623 pinctrl_pm_select_sleep_state(&fep->pdev->dev); in fec_suspend()
4626 if (fep->wake_irq > 0) { in fec_suspend()
4627 disable_irq(fep->wake_irq); in fec_suspend()
4628 enable_irq_wake(fep->wake_irq); in fec_suspend()
4635 fep->rpm_active = !pm_runtime_status_suspended(dev); in fec_suspend()
4636 if (fep->rpm_active) { in fec_suspend()
4646 if (fep->reg_phy && !(fep->wol_flag & FEC_WOL_FLAG_ENABLE)) in fec_suspend()
4647 regulator_disable(fep->reg_phy); in fec_suspend()
4652 if (fep->clk_enet_out || fep->reg_phy) in fec_suspend()
4653 fep->link = 0; in fec_suspend()
4665 if (fep->reg_phy && !(fep->wol_flag & FEC_WOL_FLAG_ENABLE)) { in fec_resume()
4666 ret = regulator_enable(fep->reg_phy); in fec_resume()
4673 if (fep->rpm_active) in fec_resume()
4681 if (fep->wol_flag & FEC_WOL_FLAG_ENABLE) { in fec_resume()
4683 if (fep->wake_irq) { in fec_resume()
4684 disable_irq_wake(fep->wake_irq); in fec_resume()
4685 enable_irq(fep->wake_irq); in fec_resume()
4688 val = readl(fep->hwp + FEC_ECNTRL); in fec_resume()
4690 writel(val, fep->hwp + FEC_ECNTRL); in fec_resume()
4691 fep->wol_flag &= ~FEC_WOL_FLAG_SLEEP_ON; in fec_resume()
4693 pinctrl_pm_select_default_state(&fep->pdev->dev); in fec_resume()
4699 napi_enable(&fep->napi); in fec_resume()
4700 phy_init_hw(ndev->phydev); in fec_resume()
4701 phy_start(ndev->phydev); in fec_resume()
4708 if (fep->reg_phy) in fec_resume()
4709 regulator_disable(fep->reg_phy); in fec_resume()
4718 clk_disable_unprepare(fep->clk_ahb); in fec_runtime_suspend()
4719 clk_disable_unprepare(fep->clk_ipg); in fec_runtime_suspend()
4730 ret = clk_prepare_enable(fep->clk_ahb); in fec_runtime_resume()
4733 ret = clk_prepare_enable(fep->clk_ipg); in fec_runtime_resume()
4740 clk_disable_unprepare(fep->clk_ahb); in fec_runtime_resume()