LXR uboot/include/phy

   1/* SPDX-License-Identifier: GPL-2.0+ */
   2/*
   3 * Copyright 2011 Freescale Semiconductor, Inc.
   4 * Copyright 2020 NXP
   5 *      Andy Fleming <afleming@gmail.com>
   6 *
   7 * This file pretty much stolen from Linux's mii.h/ethtool.h/phy.h
   8 */
   9
  10#ifndef _PHY_INTERFACE_H
  11#define _PHY_INTERFACE_H
  12
  13#include <string.h>
  14
  15typedef enum {
  16        PHY_INTERFACE_MODE_MII,
  17        PHY_INTERFACE_MODE_GMII,
  18        PHY_INTERFACE_MODE_SGMII,
  19        PHY_INTERFACE_MODE_SGMII_2500,
  20        PHY_INTERFACE_MODE_QSGMII,
  21        PHY_INTERFACE_MODE_TBI,
  22        PHY_INTERFACE_MODE_RMII,
  23        PHY_INTERFACE_MODE_RGMII,
  24        PHY_INTERFACE_MODE_RGMII_ID,
  25        PHY_INTERFACE_MODE_RGMII_RXID,
  26        PHY_INTERFACE_MODE_RGMII_TXID,
  27        PHY_INTERFACE_MODE_RTBI,
  28        PHY_INTERFACE_MODE_1000BASEX,
  29        PHY_INTERFACE_MODE_2500BASEX,
  30        PHY_INTERFACE_MODE_XGMII,
  31        PHY_INTERFACE_MODE_XAUI,
  32        PHY_INTERFACE_MODE_RXAUI,
  33        PHY_INTERFACE_MODE_SFI,
  34        PHY_INTERFACE_MODE_INTERNAL,
  35        PHY_INTERFACE_MODE_25G_AUI,
  36        PHY_INTERFACE_MODE_XLAUI,
  37        PHY_INTERFACE_MODE_CAUI2,
  38        PHY_INTERFACE_MODE_CAUI4,
  39        PHY_INTERFACE_MODE_NCSI,
  40        PHY_INTERFACE_MODE_10GBASER,
  41        PHY_INTERFACE_MODE_USXGMII,
  42        PHY_INTERFACE_MODE_NONE,        /* Must be last */
  43
  44        PHY_INTERFACE_MODE_COUNT,
  45} phy_interface_t;
  46
  47static const char * const phy_interface_strings[] = {
  48        [PHY_INTERFACE_MODE_MII]                = "mii",
  49        [PHY_INTERFACE_MODE_GMII]               = "gmii",
  50        [PHY_INTERFACE_MODE_SGMII]              = "sgmii",
  51        [PHY_INTERFACE_MODE_SGMII_2500]         = "sgmii-2500",
  52        [PHY_INTERFACE_MODE_QSGMII]             = "qsgmii",
  53        [PHY_INTERFACE_MODE_TBI]                = "tbi",
  54        [PHY_INTERFACE_MODE_RMII]               = "rmii",
  55        [PHY_INTERFACE_MODE_RGMII]              = "rgmii",
  56        [PHY_INTERFACE_MODE_RGMII_ID]           = "rgmii-id",
  57        [PHY_INTERFACE_MODE_RGMII_RXID]         = "rgmii-rxid",
  58        [PHY_INTERFACE_MODE_RGMII_TXID]         = "rgmii-txid",
  59        [PHY_INTERFACE_MODE_RTBI]               = "rtbi",
  60        [PHY_INTERFACE_MODE_1000BASEX]          = "1000base-x",
  61        [PHY_INTERFACE_MODE_2500BASEX]          = "2500base-x",
  62        [PHY_INTERFACE_MODE_XGMII]              = "xgmii",
  63        [PHY_INTERFACE_MODE_XAUI]               = "xaui",
  64        [PHY_INTERFACE_MODE_RXAUI]              = "rxaui",
  65        [PHY_INTERFACE_MODE_SFI]                = "sfi",
  66        [PHY_INTERFACE_MODE_INTERNAL]           = "internal",
  67        [PHY_INTERFACE_MODE_25G_AUI]            = "25g-aui",
  68        [PHY_INTERFACE_MODE_XLAUI]              = "xlaui4",
  69        [PHY_INTERFACE_MODE_CAUI2]              = "caui2",
  70        [PHY_INTERFACE_MODE_CAUI4]              = "caui4",
  71        [PHY_INTERFACE_MODE_NCSI]               = "NC-SI",
  72        [PHY_INTERFACE_MODE_10GBASER]           = "10gbase-r",
  73        [PHY_INTERFACE_MODE_USXGMII]            = "usxgmii",
  74        [PHY_INTERFACE_MODE_NONE]               = "",
  75};
  76
  77/* Backplane modes:
  78 * are considered a sub-type of phy_interface_t: XGMII
  79 * and are specified in "phy-connection-type" with one of the following strings
  80 */
  81static const char * const backplane_mode_strings[] = {
  82        "10gbase-kr",
  83        "40gbase-kr4",
  84};
  85
  86static inline const char *phy_string_for_interface(phy_interface_t i)
  87{
  88        /* Default to unknown */
  89        if (i > PHY_INTERFACE_MODE_NONE)
  90                i = PHY_INTERFACE_MODE_NONE;
  91
  92        return phy_interface_strings[i];
  93}
  94
  95static inline bool is_backplane_mode(const char *phyconn)
  96{
  97        int i;
  98
  99        if (!phyconn)
 100                return false;
 101        for (i = 0; i < ARRAY_SIZE(backplane_mode_strings); i++) {
 102                if (!strcmp(phyconn, backplane_mode_strings[i]))
 103                        return true;
 104        }
 105        return false;
 106}
 107
 108#endif /* _PHY_INTERFACE_H */
 109