Lines Matching +full:pcs +full:- +full:handle +full:- +full:names
1 // SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0-or-later
3 * Copyright 2008 - 2015 Freescale Semiconductor Inc.
14 #include <linux/pcs-lynx.h>
56 #define IF_MODE_MASK 0x00000003 /* 30-31 Mask on i/f mode bits */
57 #define IF_MODE_10G 0x00000000 /* 30-31 10G interface */
58 #define IF_MODE_MII 0x00000001 /* 30-31 MII interface */
59 #define IF_MODE_GMII 0x00000002 /* 30-31 GMII (1G) interface */
62 #define IF_MODE_RGMII_1000 0x00004000 /* 10 - 1000Mbps RGMII */
63 #define IF_MODE_RGMII_100 0x00000000 /* 00 - 100Mbps RGMII */
64 #define IF_MODE_RGMII_10 0x00002000 /* 01 - 10Mbps RGMII */
71 /* 26-31 Hash table address code */
89 #define MEMAC_IEVNT_PCS 0x80000000 /* PCS (XG). Link sync (G) */
90 #define MEMAC_IEVNT_AN 0x40000000 /* Auto-negotiation */
117 /* Lower 32 bits of 48-bit MAC address */
119 /* Upper 16 bits of 48-bit MAC address */
127 struct mac_addr mac_addr0; /* 0x00C-0x010 MAC_ADDR_0...1 */
136 u32 tx_ipg_length; /* 0x044 Transmitter inter-packet-gap */
144 struct mac_addr mac_addr[MEMAC_NUM_OF_PADDRS];/* 0x80-0x0B4 mac padr */
310 iowrite32be(tmp0, ®s->mac_addr0.mac_addr_l); in add_addr_in_paddr()
311 iowrite32be(tmp1, ®s->mac_addr0.mac_addr_u); in add_addr_in_paddr()
313 iowrite32be(tmp0, ®s->mac_addr[paddr_num - 1].mac_addr_l); in add_addr_in_paddr()
314 iowrite32be(tmp1, ®s->mac_addr[paddr_num - 1].mac_addr_u); in add_addr_in_paddr()
323 tmp = ioread32be(®s->command_config); in reset()
327 iowrite32be(tmp, ®s->command_config); in reset()
332 } while ((ioread32be(®s->command_config) & CMD_CFG_SW_RESET) && in reset()
333 --count); in reset()
336 return -EBUSY; in reset()
346 tmp = ioread32be(®s->imask); in set_exception()
352 iowrite32be(tmp, ®s->imask); in set_exception()
362 if (cfg->promiscuous_mode_enable) in init()
364 if (cfg->pause_ignore) in init()
374 iowrite32be(tmp, ®s->command_config); in init()
377 iowrite32be((u32)cfg->max_frame_length, ®s->maxfrm); in init()
380 iowrite32be((u32)cfg->pause_quanta, ®s->pause_quanta[0]); in init()
381 iowrite32be((u32)0, ®s->pause_thresh[0]); in init()
383 /* clear all pending events and set-up interrupts */ in init()
384 iowrite32be(0xffffffff, ®s->ievent); in init()
392 cfg->reset_on_init = false; in set_dflts()
393 cfg->promiscuous_mode_enable = false; in set_dflts()
394 cfg->pause_ignore = false; in set_dflts()
395 cfg->tx_ipg_length = DEFAULT_TX_IPG_LENGTH; in set_dflts()
396 cfg->max_frame_length = DEFAULT_FRAME_LENGTH; in set_dflts()
397 cfg->pause_quanta = DEFAULT_PAUSE_QUANTA; in set_dflts()
416 xor_val |= (mask1 << (5 - i)); in get_mac_addr_hash_code()
424 if (!memac->exception_cb) { in check_init_parameters()
426 return -EINVAL; in check_init_parameters()
428 if (!memac->event_cb) { in check_init_parameters()
430 return -EINVAL; in check_init_parameters()
461 static void memac_err_exception(void *handle) in memac_err_exception() argument
463 struct fman_mac *memac = (struct fman_mac *)handle; in memac_err_exception()
464 struct memac_regs __iomem *regs = memac->regs; in memac_err_exception()
467 event = ioread32be(®s->ievent); in memac_err_exception()
468 imask = ioread32be(®s->imask); in memac_err_exception()
473 * their corresponding location in the ievent - hence the >> 16 in memac_err_exception()
477 iowrite32be(event, ®s->ievent); in memac_err_exception()
480 memac->exception_cb(memac->dev_id, FM_MAC_EX_TS_FIFO_ECC_ERR); in memac_err_exception()
482 memac->exception_cb(memac->dev_id, FM_MAC_EX_10G_TX_ECC_ER); in memac_err_exception()
484 memac->exception_cb(memac->dev_id, FM_MAC_EX_10G_RX_ECC_ER); in memac_err_exception()
487 static void memac_exception(void *handle) in memac_exception() argument
489 struct fman_mac *memac = (struct fman_mac *)handle; in memac_exception()
490 struct memac_regs __iomem *regs = memac->regs; in memac_exception()
493 event = ioread32be(®s->ievent); in memac_exception()
494 imask = ioread32be(®s->imask); in memac_exception()
499 * their corresponding location in the ievent - hence the >> 16 in memac_exception()
503 iowrite32be(event, ®s->ievent); in memac_exception()
506 memac->exception_cb(memac->dev_id, in memac_exception()
512 fman_unregister_intr(memac->fm, FMAN_MOD_MAC, memac->mac_id, in free_init_resources()
515 fman_unregister_intr(memac->fm, FMAN_MOD_MAC, memac->mac_id, in free_init_resources()
519 free_hash_table(memac->multicast_addr_hash); in free_init_resources()
520 memac->multicast_addr_hash = NULL; in free_init_resources()
523 free_hash_table(memac->unicast_addr_hash); in free_init_resources()
524 memac->unicast_addr_hash = NULL; in free_init_resources()
531 ret = phy_init(memac->serdes); in memac_enable()
533 dev_err(memac->dev_id->dev, in memac_enable()
538 ret = phy_power_on(memac->serdes); in memac_enable()
540 dev_err(memac->dev_id->dev, in memac_enable()
542 phy_exit(memac->serdes); in memac_enable()
550 phy_power_off(memac->serdes); in memac_disable()
551 phy_exit(memac->serdes); in memac_disable()
556 struct memac_regs __iomem *regs = memac->regs; in memac_set_promiscuous()
559 tmp = ioread32be(®s->command_config); in memac_set_promiscuous()
565 iowrite32be(tmp, ®s->command_config); in memac_set_promiscuous()
573 struct memac_regs __iomem *regs = memac->regs; in memac_set_tx_pause_frames()
576 tmp = ioread32be(®s->tx_fifo_sections); in memac_set_tx_pause_frames()
579 iowrite32be(tmp, ®s->tx_fifo_sections); in memac_set_tx_pause_frames()
581 tmp = ioread32be(®s->command_config); in memac_set_tx_pause_frames()
584 iowrite32be(tmp, ®s->command_config); in memac_set_tx_pause_frames()
586 tmp = ioread32be(®s->pause_quanta[priority / 2]); in memac_set_tx_pause_frames()
592 iowrite32be(tmp, ®s->pause_quanta[priority / 2]); in memac_set_tx_pause_frames()
594 tmp = ioread32be(®s->pause_thresh[priority / 2]); in memac_set_tx_pause_frames()
600 iowrite32be(tmp, ®s->pause_thresh[priority / 2]); in memac_set_tx_pause_frames()
607 struct memac_regs __iomem *regs = memac->regs; in memac_accept_rx_pause_frames()
610 tmp = ioread32be(®s->command_config); in memac_accept_rx_pause_frames()
616 iowrite32be(tmp, ®s->command_config); in memac_accept_rx_pause_frames()
624 struct fman_mac *memac = fman_config_to_mac(config)->fman_mac; in memac_get_caps()
625 unsigned long caps = config->mac_capabilities; in memac_get_caps()
628 memac->rgmii_no_half_duplex) in memac_get_caps()
635 * memac_if_mode() - Convert an interface mode into an IF_MODE config
666 struct fman_mac *memac = fman_config_to_mac(config)->fman_mac; in memac_select_pcs()
671 return memac->sgmii_pcs; in memac_select_pcs()
673 return memac->qsgmii_pcs; in memac_select_pcs()
675 return memac->xfi_pcs; in memac_select_pcs()
684 struct fman_mac *memac = fman_config_to_mac(config)->fman_mac; in memac_prepare()
691 return phy_set_mode_ext(memac->serdes, PHY_MODE_ETHERNET, in memac_prepare()
702 struct memac_regs __iomem *regs = mac_dev->fman_mac->regs; in memac_mac_config()
703 u32 tmp = ioread32be(®s->if_mode); in memac_mac_config()
706 tmp |= memac_if_mode(state->interface); in memac_mac_config()
709 iowrite32be(tmp, ®s->if_mode); in memac_mac_config()
717 struct fman_mac *memac = mac_dev->fman_mac; in memac_link_up()
718 struct memac_regs __iomem *regs = memac->regs; in memac_link_up()
740 iowrite32be(tmp, ®s->if_mode); in memac_link_up()
745 if (memac->fm_rev_info.major == 6 && in memac_link_up()
746 memac->fm_rev_info.minor == 4) in memac_link_up()
755 iowrite32be(tmp, ®s->tx_fifo_sections); in memac_link_up()
757 mac_dev->update_speed(mac_dev, speed); in memac_link_up()
759 tmp = ioread32be(®s->command_config); in memac_link_up()
761 iowrite32be(tmp, ®s->command_config); in memac_link_up()
767 struct fman_mac *memac = fman_config_to_mac(config)->fman_mac; in memac_link_down()
768 struct memac_regs __iomem *regs = memac->regs; in memac_link_down()
772 tmp = ioread32be(®s->command_config); in memac_link_down()
774 iowrite32be(tmp, ®s->command_config); in memac_link_down()
789 add_addr_in_paddr(memac->regs, (const u8 *)(*enet_addr), 0); in memac_modify_mac_address()
797 struct memac_regs __iomem *regs = memac->regs; in memac_add_hash_mac_address()
807 return -EINVAL; in memac_add_hash_mac_address()
814 return -ENOMEM; in memac_add_hash_mac_address()
815 hash_entry->addr = addr; in memac_add_hash_mac_address()
816 INIT_LIST_HEAD(&hash_entry->node); in memac_add_hash_mac_address()
818 list_add_tail(&hash_entry->node, in memac_add_hash_mac_address()
819 &memac->multicast_addr_hash->lsts[hash]); in memac_add_hash_mac_address()
820 iowrite32be(hash | HASH_CTRL_MCAST_EN, ®s->hashtable_ctrl); in memac_add_hash_mac_address()
828 struct memac_regs __iomem *regs = memac->regs; in memac_set_allmulti()
833 ®s->hashtable_ctrl); in memac_set_allmulti()
837 ®s->hashtable_ctrl); in memac_set_allmulti()
840 memac->allmulti_enabled = enable; in memac_set_allmulti()
853 struct memac_regs __iomem *regs = memac->regs; in memac_del_hash_mac_address()
863 list_for_each(pos, &memac->multicast_addr_hash->lsts[hash]) { in memac_del_hash_mac_address()
865 if (hash_entry && hash_entry->addr == addr) { in memac_del_hash_mac_address()
866 list_del_init(&hash_entry->node); in memac_del_hash_mac_address()
872 if (!memac->allmulti_enabled) { in memac_del_hash_mac_address()
873 if (list_empty(&memac->multicast_addr_hash->lsts[hash])) in memac_del_hash_mac_address()
875 ®s->hashtable_ctrl); in memac_del_hash_mac_address()
889 memac->exceptions |= bit_mask; in memac_set_exception()
891 memac->exceptions &= ~bit_mask; in memac_set_exception()
894 return -EINVAL; in memac_set_exception()
896 set_exception(memac->regs, bit_mask, enable); in memac_set_exception()
912 memac_drv_param = memac->memac_drv_param; in memac_init()
915 if (memac_drv_param->reset_on_init) { in memac_init()
916 err = reset(memac->regs); in memac_init()
924 if (memac->addr != 0) { in memac_init()
925 MAKE_ENET_ADDR_FROM_UINT64(memac->addr, eth_addr); in memac_init()
926 add_addr_in_paddr(memac->regs, (const u8 *)eth_addr, 0); in memac_init()
929 init(memac->regs, memac->memac_drv_param, memac->exceptions); in memac_init()
934 if ((memac->fm_rev_info.major == 6) && in memac_init()
935 ((memac->fm_rev_info.minor == 0) || in memac_init()
936 (memac->fm_rev_info.minor == 3))) { in memac_init()
937 /* MAC strips CRC from received frames - this workaround in memac_init()
940 reg32 = ioread32be(&memac->regs->command_config); in memac_init()
942 iowrite32be(reg32, &memac->regs->command_config); in memac_init()
946 err = fman_set_mac_max_frame(memac->fm, memac->mac_id, in memac_init()
947 memac_drv_param->max_frame_length); in memac_init()
953 memac->multicast_addr_hash = alloc_hash_table(HASH_TABLE_SIZE); in memac_init()
954 if (!memac->multicast_addr_hash) { in memac_init()
957 return -ENOMEM; in memac_init()
960 memac->unicast_addr_hash = alloc_hash_table(HASH_TABLE_SIZE); in memac_init()
961 if (!memac->unicast_addr_hash) { in memac_init()
964 return -ENOMEM; in memac_init()
967 fman_register_intr(memac->fm, FMAN_MOD_MAC, memac->mac_id, in memac_init()
970 fman_register_intr(memac->fm, FMAN_MOD_MAC, memac->mac_id, in memac_init()
976 static void pcs_put(struct phylink_pcs *pcs) in pcs_put() argument
978 if (IS_ERR_OR_NULL(pcs)) in pcs_put()
981 lynx_pcs_destroy(pcs); in pcs_put()
988 pcs_put(memac->sgmii_pcs); in memac_free()
989 pcs_put(memac->qsgmii_pcs); in memac_free()
990 pcs_put(memac->xfi_pcs); in memac_free()
991 kfree(memac->memac_drv_param); in memac_free()
1016 memac->memac_drv_param = memac_drv_param; in memac_config()
1020 memac->addr = ENET_ADDR_TO_UINT64(mac_dev->addr); in memac_config()
1022 memac->regs = mac_dev->vaddr; in memac_config()
1023 memac->mac_id = params->mac_id; in memac_config()
1024 memac->exceptions = (MEMAC_IMASK_TSECC_ER | MEMAC_IMASK_TECC_ER | in memac_config()
1026 memac->exception_cb = params->exception_cb; in memac_config()
1027 memac->event_cb = params->event_cb; in memac_config()
1028 memac->dev_id = mac_dev; in memac_config()
1029 memac->fm = params->fm; in memac_config()
1032 fman_get_revision(memac->fm, &memac->fm_rev_info); in memac_config()
1041 struct phylink_pcs *pcs; in memac_pcs_create() local
1043 node = of_parse_phandle(mac_node, "pcsphy-handle", index); in memac_pcs_create()
1045 return ERR_PTR(-ENODEV); in memac_pcs_create()
1047 pcs = lynx_pcs_create_fwnode(of_fwnode_handle(node)); in memac_pcs_create()
1050 return pcs; in memac_pcs_create()
1058 if (!mac_dev->fman_mac->serdes) in memac_supports()
1059 return mac_dev->phy_if == iface; in memac_supports()
1061 return !phy_validate(mac_dev->fman_mac->serdes, PHY_MODE_ETHERNET, in memac_supports()
1071 struct phylink_pcs *pcs; in memac_initialization() local
1079 * 10GBASE-R (aka XFI), so just convert it for them. in memac_initialization()
1081 if (mac_dev->phy_if == PHY_INTERFACE_MODE_XGMII) in memac_initialization()
1082 mac_dev->phy_if = PHY_INTERFACE_MODE_10GBASER; in memac_initialization()
1084 mac_dev->phylink_ops = &memac_mac_ops; in memac_initialization()
1085 mac_dev->set_promisc = memac_set_promiscuous; in memac_initialization()
1086 mac_dev->change_addr = memac_modify_mac_address; in memac_initialization()
1087 mac_dev->add_hash_mac_addr = memac_add_hash_mac_address; in memac_initialization()
1088 mac_dev->remove_hash_mac_addr = memac_del_hash_mac_address; in memac_initialization()
1089 mac_dev->set_exception = memac_set_exception; in memac_initialization()
1090 mac_dev->set_allmulti = memac_set_allmulti; in memac_initialization()
1091 mac_dev->set_tstamp = memac_set_tstamp; in memac_initialization()
1092 mac_dev->set_multi = fman_set_multi; in memac_initialization()
1093 mac_dev->enable = memac_enable; in memac_initialization()
1094 mac_dev->disable = memac_disable; in memac_initialization()
1096 mac_dev->fman_mac = memac_config(mac_dev, params); in memac_initialization()
1097 if (!mac_dev->fman_mac) in memac_initialization()
1098 return -EINVAL; in memac_initialization()
1100 memac = mac_dev->fman_mac; in memac_initialization()
1101 memac->memac_drv_param->max_frame_length = fman_get_max_frm(); in memac_initialization()
1102 memac->memac_drv_param->reset_on_init = true; in memac_initialization()
1104 err = of_property_match_string(mac_node, "pcs-handle-names", "xfi"); in memac_initialization()
1106 memac->xfi_pcs = memac_pcs_create(mac_node, err); in memac_initialization()
1107 if (IS_ERR(memac->xfi_pcs)) { in memac_initialization()
1108 err = PTR_ERR(memac->xfi_pcs); in memac_initialization()
1109 dev_err_probe(mac_dev->dev, err, "missing xfi pcs\n"); in memac_initialization()
1112 } else if (err != -EINVAL && err != -ENODATA) { in memac_initialization()
1116 err = of_property_match_string(mac_node, "pcs-handle-names", "qsgmii"); in memac_initialization()
1118 memac->qsgmii_pcs = memac_pcs_create(mac_node, err); in memac_initialization()
1119 if (IS_ERR(memac->qsgmii_pcs)) { in memac_initialization()
1120 err = PTR_ERR(memac->qsgmii_pcs); in memac_initialization()
1121 dev_err_probe(mac_dev->dev, err, in memac_initialization()
1122 "missing qsgmii pcs\n"); in memac_initialization()
1125 } else if (err != -EINVAL && err != -ENODATA) { in memac_initialization()
1129 /* For compatibility, if pcs-handle-names is missing, we assume this in memac_initialization()
1130 * phy is the first one in pcsphy-handle in memac_initialization()
1132 err = of_property_match_string(mac_node, "pcs-handle-names", "sgmii"); in memac_initialization()
1133 if (err == -EINVAL || err == -ENODATA) in memac_initialization()
1134 pcs = memac_pcs_create(mac_node, 0); in memac_initialization()
1138 pcs = memac_pcs_create(mac_node, err); in memac_initialization()
1140 if (IS_ERR(pcs)) { in memac_initialization()
1141 err = PTR_ERR(pcs); in memac_initialization()
1142 dev_err_probe(mac_dev->dev, err, "missing pcs\n"); in memac_initialization()
1146 /* If err is set here, it means that pcs-handle-names was missing above in memac_initialization()
1150 if (err && mac_dev->phy_if == PHY_INTERFACE_MODE_10GBASER) in memac_initialization()
1151 memac->xfi_pcs = pcs; in memac_initialization()
1153 memac->sgmii_pcs = pcs; in memac_initialization()
1155 memac->serdes = devm_of_phy_optional_get(mac_dev->dev, mac_node, in memac_initialization()
1157 if (!memac->serdes) { in memac_initialization()
1158 dev_dbg(mac_dev->dev, "could not get (optional) serdes\n"); in memac_initialization()
1159 } else if (IS_ERR(memac->serdes)) { in memac_initialization()
1160 err = PTR_ERR(memac->serdes); in memac_initialization()
1166 * - 1000BASE-KX in memac_initialization()
1167 * - 10GBASE-KR in memac_initialization()
1168 * - XAUI/HiGig in memac_initialization()
1170 supported = mac_dev->phylink_config.supported_interfaces; in memac_initialization()
1174 if (memac->sgmii_pcs && in memac_initialization()
1181 if (memac->sgmii_pcs && in memac_initialization()
1185 if (memac->qsgmii_pcs && in memac_initialization()
1188 else if (mac_dev->phy_if == PHY_INTERFACE_MODE_QSGMII) in memac_initialization()
1189 dev_warn(mac_dev->dev, "no QSGMII pcs specified\n"); in memac_initialization()
1191 if (memac->xfi_pcs && in memac_initialization()
1212 mac_dev->phylink_config.mac_capabilities = capabilities; in memac_initialization()
1223 memac->rgmii_no_half_duplex = true; in memac_initialization()
1229 * configurations modes don't use in-band autonegotiation. in memac_initialization()
1231 fixed = of_get_child_by_name(mac_node, "fixed-link"); in memac_initialization()
1232 if (!fixed && !of_property_read_bool(mac_node, "fixed-link") && in memac_initialization()
1234 mac_dev->phy_if != PHY_INTERFACE_MODE_MII && in memac_initialization()
1235 !phy_interface_mode_is_rgmii(mac_dev->phy_if)) in memac_initialization()
1236 mac_dev->phylink_config.ovr_an_inband = true; in memac_initialization()
1239 err = memac_init(mac_dev->fman_mac); in memac_initialization()
1243 dev_info(mac_dev->dev, "FMan MEMAC\n"); in memac_initialization()
1248 memac_free(mac_dev->fman_mac); in memac_initialization()