drivers/net/phy/mscc/mscc_main.c

   1 // SPDX-License-Identifier: (GPL-2.0 OR MIT)
   2 /*
   3  * Driver for Microsemi VSC85xx PHYs
   4  *
   5  * Author: Nagaraju Lakkaraju
   6  * License: Dual MIT/GPL
   7  * Copyright (c) 2016 Microsemi Corporation
   8  */
   9
  10 #include <linux/firmware.h>
  11 #include <linux/jiffies.h>
  12 #include <linux/kernel.h>
  13 #include <linux/module.h>
  14 #include <linux/mdio.h>
  15 #include <linux/mii.h>
  16 #include <linux/phy.h>
  17 #include <linux/of.h>
  18 #include <linux/netdevice.h>
  19 #include <dt-bindings/net/mscc-phy-vsc8531.h>
  20 #include "mscc_serdes.h"
  21 #include "mscc.h"
  22
  23 static const struct vsc85xx_hw_stat vsc85xx_hw_stats[] = {
  24         {
  25                 .string = "phy_receive_errors",
  26                 .reg    = MSCC_PHY_ERR_RX_CNT,
  27                 .page   = MSCC_PHY_PAGE_STANDARD,
  28                 .mask   = ERR_CNT_MASK,
  29         }, {
  30                 .string = "phy_false_carrier",
  31                 .reg    = MSCC_PHY_ERR_FALSE_CARRIER_CNT,
  32                 .page   = MSCC_PHY_PAGE_STANDARD,
  33                 .mask   = ERR_CNT_MASK,
  34         }, {
  35                 .string = "phy_cu_media_link_disconnect",
  36                 .reg    = MSCC_PHY_ERR_LINK_DISCONNECT_CNT,
  37                 .page   = MSCC_PHY_PAGE_STANDARD,
  38                 .mask   = ERR_CNT_MASK,
  39         }, {
  40                 .string = "phy_cu_media_crc_good_count",
  41                 .reg    = MSCC_PHY_CU_MEDIA_CRC_VALID_CNT,
  42                 .page   = MSCC_PHY_PAGE_EXTENDED,
  43                 .mask   = VALID_CRC_CNT_CRC_MASK,
  44         }, {
  45                 .string = "phy_cu_media_crc_error_count",
  46                 .reg    = MSCC_PHY_EXT_PHY_CNTL_4,
  47                 .page   = MSCC_PHY_PAGE_EXTENDED,
  48                 .mask   = ERR_CNT_MASK,
  49         },
  50 };
  51
  52 static const struct vsc85xx_hw_stat vsc8584_hw_stats[] = {
  53         {
  54                 .string = "phy_receive_errors",
  55                 .reg    = MSCC_PHY_ERR_RX_CNT,
  56                 .page   = MSCC_PHY_PAGE_STANDARD,
  57                 .mask   = ERR_CNT_MASK,
  58         }, {
  59                 .string = "phy_false_carrier",
  60                 .reg    = MSCC_PHY_ERR_FALSE_CARRIER_CNT,
  61                 .page   = MSCC_PHY_PAGE_STANDARD,
  62                 .mask   = ERR_CNT_MASK,
  63         }, {
  64                 .string = "phy_cu_media_link_disconnect",
  65                 .reg    = MSCC_PHY_ERR_LINK_DISCONNECT_CNT,
  66                 .page   = MSCC_PHY_PAGE_STANDARD,
  67                 .mask   = ERR_CNT_MASK,
  68         }, {
  69                 .string = "phy_cu_media_crc_good_count",
  70                 .reg    = MSCC_PHY_CU_MEDIA_CRC_VALID_CNT,
  71                 .page   = MSCC_PHY_PAGE_EXTENDED,
  72                 .mask   = VALID_CRC_CNT_CRC_MASK,
  73         }, {
  74                 .string = "phy_cu_media_crc_error_count",
  75                 .reg    = MSCC_PHY_EXT_PHY_CNTL_4,
  76                 .page   = MSCC_PHY_PAGE_EXTENDED,
  77                 .mask   = ERR_CNT_MASK,
  78         }, {
  79                 .string = "phy_serdes_tx_good_pkt_count",
  80                 .reg    = MSCC_PHY_SERDES_TX_VALID_CNT,
  81                 .page   = MSCC_PHY_PAGE_EXTENDED_3,
  82                 .mask   = VALID_CRC_CNT_CRC_MASK,
  83         }, {
  84                 .string = "phy_serdes_tx_bad_crc_count",
  85                 .reg    = MSCC_PHY_SERDES_TX_CRC_ERR_CNT,
  86                 .page   = MSCC_PHY_PAGE_EXTENDED_3,
  87                 .mask   = ERR_CNT_MASK,
  88         }, {
  89                 .string = "phy_serdes_rx_good_pkt_count",
  90                 .reg    = MSCC_PHY_SERDES_RX_VALID_CNT,
  91                 .page   = MSCC_PHY_PAGE_EXTENDED_3,
  92                 .mask   = VALID_CRC_CNT_CRC_MASK,
  93         }, {
  94                 .string = "phy_serdes_rx_bad_crc_count",
  95                 .reg    = MSCC_PHY_SERDES_RX_CRC_ERR_CNT,
  96                 .page   = MSCC_PHY_PAGE_EXTENDED_3,
  97                 .mask   = ERR_CNT_MASK,
  98         },
  99 };
 100
 101 #if IS_ENABLED(CONFIG_OF_MDIO)
 102 static const struct vsc8531_edge_rate_table edge_table[] = {
 103         {MSCC_VDDMAC_3300, { 0, 2,  4,  7, 10, 17, 29, 53} },
 104         {MSCC_VDDMAC_2500, { 0, 3,  6, 10, 14, 23, 37, 63} },
 105         {MSCC_VDDMAC_1800, { 0, 5,  9, 16, 23, 35, 52, 76} },
 106         {MSCC_VDDMAC_1500, { 0, 6, 14, 21, 29, 42, 58, 77} },
 107 };
 108 #endif
 109
 110 static const int vsc85xx_internal_delay[] = {200, 800, 1100, 1700, 2000, 2300,
 111                                              2600, 3400};
 112
 113 static int vsc85xx_phy_read_page(struct phy_device *phydev)
 114 {
 115         return __phy_read(phydev, MSCC_EXT_PAGE_ACCESS);
 116 }
 117
 118 static int vsc85xx_phy_write_page(struct phy_device *phydev, int page)
 119 {
 120         return __phy_write(phydev, MSCC_EXT_PAGE_ACCESS, page);
 121 }
 122
 123 static int vsc85xx_get_sset_count(struct phy_device *phydev)
 124 {
 125         struct vsc8531_private *priv = phydev->priv;
 126
 127         if (!priv)
 128                 return 0;
 129
 130         return priv->nstats;
 131 }
 132
 133 static void vsc85xx_get_strings(struct phy_device *phydev, u8 *data)
 134 {
 135         struct vsc8531_private *priv = phydev->priv;
 136         int i;
 137
 138         if (!priv)
 139                 return;
 140
 141         for (i = 0; i < priv->nstats; i++)
 142                 strscpy(data + i * ETH_GSTRING_LEN, priv->hw_stats[i].string,
 143                         ETH_GSTRING_LEN);
 144 }
 145
 146 static u64 vsc85xx_get_stat(struct phy_device *phydev, int i)
 147 {
 148         struct vsc8531_private *priv = phydev->priv;
 149         int val;
 150
 151         val = phy_read_paged(phydev, priv->hw_stats[i].page,
 152                              priv->hw_stats[i].reg);
 153         if (val < 0)
 154                 return U64_MAX;
 155
 156         val = val & priv->hw_stats[i].mask;
 157         priv->stats[i] += val;
 158
 159         return priv->stats[i];
 160 }
 161
 162 static void vsc85xx_get_stats(struct phy_device *phydev,
 163                               struct ethtool_stats *stats, u64 *data)
 164 {
 165         struct vsc8531_private *priv = phydev->priv;
 166         int i;
 167
 168         if (!priv)
 169                 return;
 170
 171         for (i = 0; i < priv->nstats; i++)
 172                 data[i] = vsc85xx_get_stat(phydev, i);
 173 }
 174
 175 static int vsc85xx_led_cntl_set(struct phy_device *phydev,
 176                                 u8 led_num,
 177                                 u8 mode)
 178 {
 179         int rc;
 180         u16 reg_val;
 181
 182         mutex_lock(&phydev->lock);
 183         reg_val = phy_read(phydev, MSCC_PHY_LED_MODE_SEL);
 184         reg_val &= ~LED_MODE_SEL_MASK(led_num);
 185         reg_val |= LED_MODE_SEL(led_num, (u16)mode);
 186         rc = phy_write(phydev, MSCC_PHY_LED_MODE_SEL, reg_val);
 187         mutex_unlock(&phydev->lock);
 188
 189         return rc;
 190 }
 191
 192 static int vsc85xx_mdix_get(struct phy_device *phydev, u8 *mdix)
 193 {
 194         u16 reg_val;
 195
 196         reg_val = phy_read(phydev, MSCC_PHY_DEV_AUX_CNTL);
 197         if (reg_val & HP_AUTO_MDIX_X_OVER_IND_MASK)
 198                 *mdix = ETH_TP_MDI_X;
 199         else
 200                 *mdix = ETH_TP_MDI;
 201
 202         return 0;
 203 }
 204
 205 static int vsc85xx_mdix_set(struct phy_device *phydev, u8 mdix)
 206 {
 207         int rc;
 208         u16 reg_val;
 209
 210         reg_val = phy_read(phydev, MSCC_PHY_BYPASS_CONTROL);
 211         if (mdix == ETH_TP_MDI || mdix == ETH_TP_MDI_X) {
 212                 reg_val |= (DISABLE_PAIR_SWAP_CORR_MASK |
 213                             DISABLE_POLARITY_CORR_MASK  |
 214                             DISABLE_HP_AUTO_MDIX_MASK);
 215         } else {
 216                 reg_val &= ~(DISABLE_PAIR_SWAP_CORR_MASK |
 217                              DISABLE_POLARITY_CORR_MASK  |
 218                              DISABLE_HP_AUTO_MDIX_MASK);
 219         }
 220         rc = phy_write(phydev, MSCC_PHY_BYPASS_CONTROL, reg_val);
 221         if (rc)
 222                 return rc;
 223
 224         reg_val = 0;
 225
 226         if (mdix == ETH_TP_MDI)
 227                 reg_val = FORCE_MDI_CROSSOVER_MDI;
 228         else if (mdix == ETH_TP_MDI_X)
 229                 reg_val = FORCE_MDI_CROSSOVER_MDIX;
 230
 231         rc = phy_modify_paged(phydev, MSCC_PHY_PAGE_EXTENDED,
 232                               MSCC_PHY_EXT_MODE_CNTL, FORCE_MDI_CROSSOVER_MASK,
 233                               reg_val);
 234         if (rc < 0)
 235                 return rc;
 236
 237         return genphy_restart_aneg(phydev);
 238 }
 239
 240 static int vsc85xx_downshift_get(struct phy_device *phydev, u8 *count)
 241 {
 242         int reg_val;
 243
 244         reg_val = phy_read_paged(phydev, MSCC_PHY_PAGE_EXTENDED,
 245                                  MSCC_PHY_ACTIPHY_CNTL);
 246         if (reg_val < 0)
 247                 return reg_val;
 248
 249         reg_val &= DOWNSHIFT_CNTL_MASK;
 250         if (!(reg_val & DOWNSHIFT_EN))
 251                 *count = DOWNSHIFT_DEV_DISABLE;
 252         else
 253                 *count = ((reg_val & ~DOWNSHIFT_EN) >> DOWNSHIFT_CNTL_POS) + 2;
 254
 255         return 0;
 256 }
 257
 258 static int vsc85xx_downshift_set(struct phy_device *phydev, u8 count)
 259 {
 260         if (count == DOWNSHIFT_DEV_DEFAULT_COUNT) {
 261                 /* Default downshift count 3 (i.e. Bit3:2 = 0b01) */
 262                 count = ((1 << DOWNSHIFT_CNTL_POS) | DOWNSHIFT_EN);
 263         } else if (count > DOWNSHIFT_COUNT_MAX || count == 1) {
 264                 phydev_err(phydev, "Downshift count should be 2,3,4 or 5\n");
 265                 return -ERANGE;
 266         } else if (count) {
 267                 /* Downshift count is either 2,3,4 or 5 */
 268                 count = (((count - 2) << DOWNSHIFT_CNTL_POS) | DOWNSHIFT_EN);
 269         }
 270
 271         return phy_modify_paged(phydev, MSCC_PHY_PAGE_EXTENDED,
 272                                 MSCC_PHY_ACTIPHY_CNTL, DOWNSHIFT_CNTL_MASK,
 273                                 count);
 274 }
 275
 276 static int vsc85xx_wol_set(struct phy_device *phydev,
 277                            struct ethtool_wolinfo *wol)
 278 {
 279         const u8 *mac_addr = phydev->attached_dev->dev_addr;
 280         int rc;
 281         u16 reg_val;
 282         u8  i;
 283         u16 pwd[3] = {0, 0, 0};
 284         struct ethtool_wolinfo *wol_conf = wol;
 285
 286         rc = phy_select_page(phydev, MSCC_PHY_PAGE_EXTENDED_2);
 287         if (rc < 0)
 288                 return phy_restore_page(phydev, rc, rc);
 289
 290         if (wol->wolopts & WAKE_MAGIC) {
 291                 /* Store the device address for the magic packet */
 292                 for (i = 0; i < ARRAY_SIZE(pwd); i++)
 293                         pwd[i] = mac_addr[5 - (i * 2 + 1)] << 8 |
 294                                  mac_addr[5 - i * 2];
 295                 __phy_write(phydev, MSCC_PHY_WOL_LOWER_MAC_ADDR, pwd[0]);
 296                 __phy_write(phydev, MSCC_PHY_WOL_MID_MAC_ADDR, pwd[1]);
 297                 __phy_write(phydev, MSCC_PHY_WOL_UPPER_MAC_ADDR, pwd[2]);
 298         } else {
 299                 __phy_write(phydev, MSCC_PHY_WOL_LOWER_MAC_ADDR, 0);
 300                 __phy_write(phydev, MSCC_PHY_WOL_MID_MAC_ADDR, 0);
 301                 __phy_write(phydev, MSCC_PHY_WOL_UPPER_MAC_ADDR, 0);
 302         }
 303
 304         if (wol_conf->wolopts & WAKE_MAGICSECURE) {
 305                 for (i = 0; i < ARRAY_SIZE(pwd); i++)
 306                         pwd[i] = wol_conf->sopass[5 - (i * 2 + 1)] << 8 |
 307                                  wol_conf->sopass[5 - i * 2];
 308                 __phy_write(phydev, MSCC_PHY_WOL_LOWER_PASSWD, pwd[0]);
 309                 __phy_write(phydev, MSCC_PHY_WOL_MID_PASSWD, pwd[1]);
 310                 __phy_write(phydev, MSCC_PHY_WOL_UPPER_PASSWD, pwd[2]);
 311         } else {
 312                 __phy_write(phydev, MSCC_PHY_WOL_LOWER_PASSWD, 0);
 313                 __phy_write(phydev, MSCC_PHY_WOL_MID_PASSWD, 0);
 314                 __phy_write(phydev, MSCC_PHY_WOL_UPPER_PASSWD, 0);
 315         }
 316
 317         reg_val = __phy_read(phydev, MSCC_PHY_WOL_MAC_CONTROL);
 318         if (wol_conf->wolopts & WAKE_MAGICSECURE)
 319                 reg_val |= SECURE_ON_ENABLE;
 320         else
 321                 reg_val &= ~SECURE_ON_ENABLE;
 322         __phy_write(phydev, MSCC_PHY_WOL_MAC_CONTROL, reg_val);
 323
 324         rc = phy_restore_page(phydev, rc, rc > 0 ? 0 : rc);
 325         if (rc < 0)
 326                 return rc;
 327
 328         if (wol->wolopts & WAKE_MAGIC) {
 329                 /* Enable the WOL interrupt */
 330                 reg_val = phy_read(phydev, MII_VSC85XX_INT_MASK);
 331                 reg_val |= MII_VSC85XX_INT_MASK_WOL;
 332                 rc = phy_write(phydev, MII_VSC85XX_INT_MASK, reg_val);
 333                 if (rc)
 334                         return rc;
 335         } else {
 336                 /* Disable the WOL interrupt */
 337                 reg_val = phy_read(phydev, MII_VSC85XX_INT_MASK);
 338                 reg_val &= (~MII_VSC85XX_INT_MASK_WOL);
 339                 rc = phy_write(phydev, MII_VSC85XX_INT_MASK, reg_val);
 340                 if (rc)
 341                         return rc;
 342         }
 343         /* Clear WOL iterrupt status */
 344         reg_val = phy_read(phydev, MII_VSC85XX_INT_STATUS);
 345
 346         return 0;
 347 }
 348
 349 static void vsc85xx_wol_get(struct phy_device *phydev,
 350                             struct ethtool_wolinfo *wol)
 351 {
 352         int rc;
 353         u16 reg_val;
 354         u8  i;
 355         u16 pwd[3] = {0, 0, 0};
 356         struct ethtool_wolinfo *wol_conf = wol;
 357
 358         rc = phy_select_page(phydev, MSCC_PHY_PAGE_EXTENDED_2);
 359         if (rc < 0)
 360                 goto out_restore_page;
 361
 362         reg_val = __phy_read(phydev, MSCC_PHY_WOL_MAC_CONTROL);
 363         if (reg_val & SECURE_ON_ENABLE)
 364                 wol_conf->wolopts |= WAKE_MAGICSECURE;
 365         if (wol_conf->wolopts & WAKE_MAGICSECURE) {
 366                 pwd[0] = __phy_read(phydev, MSCC_PHY_WOL_LOWER_PASSWD);
 367                 pwd[1] = __phy_read(phydev, MSCC_PHY_WOL_MID_PASSWD);
 368                 pwd[2] = __phy_read(phydev, MSCC_PHY_WOL_UPPER_PASSWD);
 369                 for (i = 0; i < ARRAY_SIZE(pwd); i++) {
 370                         wol_conf->sopass[5 - i * 2] = pwd[i] & 0x00ff;
 371                         wol_conf->sopass[5 - (i * 2 + 1)] = (pwd[i] & 0xff00)
 372                                                             >> 8;
 373                 }
 374         }
 375
 376 out_restore_page:
 377         phy_restore_page(phydev, rc, rc > 0 ? 0 : rc);
 378 }
 379
 380 #if IS_ENABLED(CONFIG_OF_MDIO)
 381 static int vsc85xx_edge_rate_magic_get(struct phy_device *phydev)
 382 {
 383         u32 vdd, sd;
 384         int i, j;
 385         struct device *dev = &phydev->mdio.dev;
 386         struct device_node *of_node = dev->of_node;
 387         u8 sd_array_size = ARRAY_SIZE(edge_table[0].slowdown);
 388
 389         if (!of_node)
 390                 return -ENODEV;
 391
 392         if (of_property_read_u32(of_node, "vsc8531,vddmac", &vdd))
 393                 vdd = MSCC_VDDMAC_3300;
 394
 395         if (of_property_read_u32(of_node, "vsc8531,edge-slowdown", &sd))
 396                 sd = 0;
 397
 398         for (i = 0; i < ARRAY_SIZE(edge_table); i++)
 399                 if (edge_table[i].vddmac == vdd)
 400                         for (j = 0; j < sd_array_size; j++)
 401                                 if (edge_table[i].slowdown[j] == sd)
 402                                         return (sd_array_size - j - 1);
 403
 404         return -EINVAL;
 405 }
 406
 407 static int vsc85xx_dt_led_mode_get(struct phy_device *phydev,
 408                                    char *led,
 409                                    u32 default_mode)
 410 {
 411         struct vsc8531_private *priv = phydev->priv;
 412         struct device *dev = &phydev->mdio.dev;
 413         struct device_node *of_node = dev->of_node;
 414         u32 led_mode;
 415         int err;
 416
 417         if (!of_node)
 418                 return -ENODEV;
 419
 420         led_mode = default_mode;
 421         err = of_property_read_u32(of_node, led, &led_mode);
 422         if (!err && !(BIT(led_mode) & priv->supp_led_modes)) {
 423                 phydev_err(phydev, "DT %s invalid\n", led);
 424                 return -EINVAL;
 425         }
 426
 427         return led_mode;
 428 }
 429
 430 #else
 431 static int vsc85xx_edge_rate_magic_get(struct phy_device *phydev)
 432 {
 433         return 0;
 434 }
 435
 436 static int vsc85xx_dt_led_mode_get(struct phy_device *phydev,
 437                                    char *led,
 438                                    u8 default_mode)
 439 {
 440         return default_mode;
 441 }
 442 #endif /* CONFIG_OF_MDIO */
 443
 444 static int vsc85xx_dt_led_modes_get(struct phy_device *phydev,
 445                                     u32 *default_mode)
 446 {
 447         struct vsc8531_private *priv = phydev->priv;
 448         char led_dt_prop[28];
 449         int i, ret;
 450
 451         for (i = 0; i < priv->nleds; i++) {
 452                 ret = sprintf(led_dt_prop, "vsc8531,led-%d-mode", i);
 453                 if (ret < 0)
 454                         return ret;
 455
 456                 ret = vsc85xx_dt_led_mode_get(phydev, led_dt_prop,
 457                                               default_mode[i]);
 458                 if (ret < 0)
 459                         return ret;
 460                 priv->leds_mode[i] = ret;
 461         }
 462
 463         return 0;
 464 }
 465
 466 static int vsc85xx_edge_rate_cntl_set(struct phy_device *phydev, u8 edge_rate)
 467 {
 468         int rc;
 469
 470         mutex_lock(&phydev->lock);
 471         rc = phy_modify_paged(phydev, MSCC_PHY_PAGE_EXTENDED_2,
 472                               MSCC_PHY_WOL_MAC_CONTROL, EDGE_RATE_CNTL_MASK,
 473                               edge_rate << EDGE_RATE_CNTL_POS);
 474         mutex_unlock(&phydev->lock);
 475
 476         return rc;
 477 }
 478
 479 static int vsc85xx_mac_if_set(struct phy_device *phydev,
 480                               phy_interface_t interface)
 481 {
 482         int rc;
 483         u16 reg_val;
 484
 485         mutex_lock(&phydev->lock);
 486         reg_val = phy_read(phydev, MSCC_PHY_EXT_PHY_CNTL_1);
 487         reg_val &= ~(MAC_IF_SELECTION_MASK);
 488         switch (interface) {
 489         case PHY_INTERFACE_MODE_RGMII_TXID:
 490         case PHY_INTERFACE_MODE_RGMII_RXID:
 491         case PHY_INTERFACE_MODE_RGMII_ID:
 492         case PHY_INTERFACE_MODE_RGMII:
 493                 reg_val |= (MAC_IF_SELECTION_RGMII << MAC_IF_SELECTION_POS);
 494                 break;
 495         case PHY_INTERFACE_MODE_RMII:
 496                 reg_val |= (MAC_IF_SELECTION_RMII << MAC_IF_SELECTION_POS);
 497                 break;
 498         case PHY_INTERFACE_MODE_MII:
 499         case PHY_INTERFACE_MODE_GMII:
 500                 reg_val |= (MAC_IF_SELECTION_GMII << MAC_IF_SELECTION_POS);
 501                 break;
 502         default:
 503                 rc = -EINVAL;
 504                 goto out_unlock;
 505         }
 506         rc = phy_write(phydev, MSCC_PHY_EXT_PHY_CNTL_1, reg_val);
 507         if (rc)
 508                 goto out_unlock;
 509
 510         rc = genphy_soft_reset(phydev);
 511
 512 out_unlock:
 513         mutex_unlock(&phydev->lock);
 514
 515         return rc;
 516 }
 517
 518 /* Set the RGMII RX and TX clock skews individually, according to the PHY
 519  * interface type, to:
 520  *  * 0.2 ns (their default, and lowest, hardware value) if delays should
 521  *    not be enabled
 522  *  * 2.0 ns (which causes the data to be sampled at exactly half way between
 523  *    clock transitions at 1000 Mbps) if delays should be enabled
 524  */
 525 static int vsc85xx_update_rgmii_cntl(struct phy_device *phydev, u32 rgmii_cntl,
 526                                      u16 rgmii_rx_delay_mask,
 527                                      u16 rgmii_tx_delay_mask)
 528 {
 529         u16 rgmii_rx_delay_pos = ffs(rgmii_rx_delay_mask) - 1;
 530         u16 rgmii_tx_delay_pos = ffs(rgmii_tx_delay_mask) - 1;
 531         int delay_size = ARRAY_SIZE(vsc85xx_internal_delay);
 532         struct device *dev = &phydev->mdio.dev;
 533         u16 reg_val = 0;
 534         u16 mask = 0;
 535         s32 rx_delay;
 536         s32 tx_delay;
 537         int rc = 0;
 538
 539         /* For traffic to pass, the VSC8502 family needs the RX_CLK disable bit
 540          * to be unset for all PHY modes, so do that as part of the paged
 541          * register modification.
 542          * For some family members (like VSC8530/31/40/41) this bit is reserved
 543          * and read-only, and the RX clock is enabled by default.
 544          */
 545         if (rgmii_cntl == VSC8502_RGMII_CNTL)
 546                 mask |= VSC8502_RGMII_RX_CLK_DISABLE;
 547
 548         if (phy_interface_is_rgmii(phydev))
 549                 mask |= rgmii_rx_delay_mask | rgmii_tx_delay_mask;
 550
 551         rx_delay = phy_get_internal_delay(phydev, dev, vsc85xx_internal_delay,
 552                                           delay_size, true);
 553         if (rx_delay < 0) {
 554                 if (phydev->interface == PHY_INTERFACE_MODE_RGMII_RXID ||
 555                     phydev->interface == PHY_INTERFACE_MODE_RGMII_ID)
 556                         rx_delay = RGMII_CLK_DELAY_2_0_NS;
 557                 else
 558                         rx_delay = RGMII_CLK_DELAY_0_2_NS;
 559         }
 560
 561         tx_delay = phy_get_internal_delay(phydev, dev, vsc85xx_internal_delay,
 562                                           delay_size, false);
 563         if (tx_delay < 0) {
 564                 if (phydev->interface == PHY_INTERFACE_MODE_RGMII_TXID ||
 565                     phydev->interface == PHY_INTERFACE_MODE_RGMII_ID)
 566                         tx_delay = RGMII_CLK_DELAY_2_0_NS;
 567                 else
 568                         tx_delay = RGMII_CLK_DELAY_0_2_NS;
 569         }
 570
 571         reg_val |= rx_delay << rgmii_rx_delay_pos;
 572         reg_val |= tx_delay << rgmii_tx_delay_pos;
 573
 574         if (mask)
 575                 rc = phy_modify_paged(phydev, MSCC_PHY_PAGE_EXTENDED_2,
 576                                       rgmii_cntl, mask, reg_val);
 577
 578         return rc;
 579 }
 580
 581 static int vsc85xx_default_config(struct phy_device *phydev)
 582 {
 583         phydev->mdix_ctrl = ETH_TP_MDI_AUTO;
 584
 585         return vsc85xx_update_rgmii_cntl(phydev, VSC8502_RGMII_CNTL,
 586                                          VSC8502_RGMII_RX_DELAY_MASK,
 587                                          VSC8502_RGMII_TX_DELAY_MASK);
 588 }
 589
 590 static int vsc85xx_get_tunable(struct phy_device *phydev,
 591                                struct ethtool_tunable *tuna, void *data)
 592 {
 593         switch (tuna->id) {
 594         case ETHTOOL_PHY_DOWNSHIFT:
 595                 return vsc85xx_downshift_get(phydev, (u8 *)data);
 596         default:
 597                 return -EINVAL;
 598         }
 599 }
 600
 601 static int vsc85xx_set_tunable(struct phy_device *phydev,
 602                                struct ethtool_tunable *tuna,
 603                                const void *data)
 604 {
 605         switch (tuna->id) {
 606         case ETHTOOL_PHY_DOWNSHIFT:
 607                 return vsc85xx_downshift_set(phydev, *(u8 *)data);
 608         default:
 609                 return -EINVAL;
 610         }
 611 }
 612
 613 /* mdiobus lock should be locked when using this function */
 614 static void vsc85xx_tr_write(struct phy_device *phydev, u16 addr, u32 val)
 615 {
 616         __phy_write(phydev, MSCC_PHY_TR_MSB, val >> 16);
 617         __phy_write(phydev, MSCC_PHY_TR_LSB, val & GENMASK(15, 0));
 618         __phy_write(phydev, MSCC_PHY_TR_CNTL, TR_WRITE | TR_ADDR(addr));
 619 }
 620
 621 static int vsc8531_pre_init_seq_set(struct phy_device *phydev)
 622 {
 623         int rc;
 624         static const struct reg_val init_seq[] = {
 625                 {0x0f90, 0x00688980},
 626                 {0x0696, 0x00000003},
 627                 {0x07fa, 0x0050100f},
 628                 {0x1686, 0x00000004},
 629         };
 630         unsigned int i;
 631         int oldpage;
 632
 633         rc = phy_modify_paged(phydev, MSCC_PHY_PAGE_STANDARD,
 634                               MSCC_PHY_EXT_CNTL_STATUS, SMI_BROADCAST_WR_EN,
 635                               SMI_BROADCAST_WR_EN);
 636         if (rc < 0)
 637                 return rc;
 638         rc = phy_modify_paged(phydev, MSCC_PHY_PAGE_TEST,
 639                               MSCC_PHY_TEST_PAGE_24, 0, 0x0400);
 640         if (rc < 0)
 641                 return rc;
 642         rc = phy_modify_paged(phydev, MSCC_PHY_PAGE_TEST,
 643                               MSCC_PHY_TEST_PAGE_5, 0x0a00, 0x0e00);
 644         if (rc < 0)
 645                 return rc;
 646         rc = phy_modify_paged(phydev, MSCC_PHY_PAGE_TEST,
 647                               MSCC_PHY_TEST_PAGE_8, TR_CLK_DISABLE, TR_CLK_DISABLE);
 648         if (rc < 0)
 649                 return rc;
 650
 651         mutex_lock(&phydev->lock);
 652         oldpage = phy_select_page(phydev, MSCC_PHY_PAGE_TR);
 653         if (oldpage < 0)
 654                 goto out_unlock;
 655
 656         for (i = 0; i < ARRAY_SIZE(init_seq); i++)
 657                 vsc85xx_tr_write(phydev, init_seq[i].reg, init_seq[i].val);
 658
 659 out_unlock:
 660         oldpage = phy_restore_page(phydev, oldpage, oldpage);
 661         mutex_unlock(&phydev->lock);
 662
 663         return oldpage;
 664 }
 665
 666 static int vsc85xx_eee_init_seq_set(struct phy_device *phydev)
 667 {
 668         static const struct reg_val init_eee[] = {
 669                 {0x0f82, 0x0012b00a},
 670                 {0x1686, 0x00000004},
 671                 {0x168c, 0x00d2c46f},
 672                 {0x17a2, 0x00000620},
 673                 {0x16a0, 0x00eeffdd},
 674                 {0x16a6, 0x00071448},
 675                 {0x16a4, 0x0013132f},
 676                 {0x16a8, 0x00000000},
 677                 {0x0ffc, 0x00c0a028},
 678                 {0x0fe8, 0x0091b06c},
 679                 {0x0fea, 0x00041600},
 680                 {0x0f80, 0x00000af4},
 681                 {0x0fec, 0x00901809},
 682                 {0x0fee, 0x0000a6a1},
 683                 {0x0ffe, 0x00b01007},
 684                 {0x16b0, 0x00eeff00},
 685                 {0x16b2, 0x00007000},
 686                 {0x16b4, 0x00000814},
 687         };
 688         unsigned int i;
 689         int oldpage;
 690
 691         mutex_lock(&phydev->lock);
 692         oldpage = phy_select_page(phydev, MSCC_PHY_PAGE_TR);
 693         if (oldpage < 0)
 694                 goto out_unlock;
 695
 696         for (i = 0; i < ARRAY_SIZE(init_eee); i++)
 697                 vsc85xx_tr_write(phydev, init_eee[i].reg, init_eee[i].val);
 698
 699 out_unlock:
 700         oldpage = phy_restore_page(phydev, oldpage, oldpage);
 701         mutex_unlock(&phydev->lock);
 702
 703         return oldpage;
 704 }
 705
 706 /* phydev->bus->mdio_lock should be locked when using this function */
 707 int phy_base_write(struct phy_device *phydev, u32 regnum, u16 val)
 708 {
 709         if (unlikely(!mutex_is_locked(&phydev->mdio.bus->mdio_lock))) {
 710                 dev_err(&phydev->mdio.dev, "MDIO bus lock not held!\n");
 711                 dump_stack();
 712         }
 713
 714         return __phy_package_write(phydev, regnum, val);
 715 }
 716
 717 /* phydev->bus->mdio_lock should be locked when using this function */
 718 int phy_base_read(struct phy_device *phydev, u32 regnum)
 719 {
 720         if (unlikely(!mutex_is_locked(&phydev->mdio.bus->mdio_lock))) {
 721                 dev_err(&phydev->mdio.dev, "MDIO bus lock not held!\n");
 722                 dump_stack();
 723         }
 724
 725         return __phy_package_read(phydev, regnum);
 726 }
 727
 728 u32 vsc85xx_csr_read(struct phy_device *phydev,
 729                      enum csr_target target, u32 reg)
 730 {
 731         unsigned long deadline;
 732         u32 val, val_l, val_h;
 733
 734         phy_base_write(phydev, MSCC_EXT_PAGE_ACCESS, MSCC_PHY_PAGE_CSR_CNTL);
 735
 736         /* CSR registers are grouped under different Target IDs.
 737          * 6-bit Target_ID is split between MSCC_EXT_PAGE_CSR_CNTL_20 and
 738          * MSCC_EXT_PAGE_CSR_CNTL_19 registers.
 739          * Target_ID[5:2] maps to bits[3:0] of MSCC_EXT_PAGE_CSR_CNTL_20
 740          * and Target_ID[1:0] maps to bits[13:12] of MSCC_EXT_PAGE_CSR_CNTL_19.
 741          */
 742
 743         /* Setup the Target ID */
 744         phy_base_write(phydev, MSCC_EXT_PAGE_CSR_CNTL_20,
 745                        MSCC_PHY_CSR_CNTL_20_TARGET(target >> 2));
 746
 747         if ((target >> 2 == 0x1) || (target >> 2 == 0x3))
 748                 /* non-MACsec access */
 749                 target &= 0x3;
 750         else
 751                 target = 0;
 752
 753         /* Trigger CSR Action - Read into the CSR's */
 754         phy_base_write(phydev, MSCC_EXT_PAGE_CSR_CNTL_19,
 755                        MSCC_PHY_CSR_CNTL_19_CMD | MSCC_PHY_CSR_CNTL_19_READ |
 756                        MSCC_PHY_CSR_CNTL_19_REG_ADDR(reg) |
 757                        MSCC_PHY_CSR_CNTL_19_TARGET(target));
 758
 759         /* Wait for register access*/
 760         deadline = jiffies + msecs_to_jiffies(PROC_CMD_NCOMPLETED_TIMEOUT_MS);
 761         do {
 762                 usleep_range(500, 1000);
 763                 val = phy_base_read(phydev, MSCC_EXT_PAGE_CSR_CNTL_19);
 764         } while (time_before(jiffies, deadline) &&
 765                 !(val & MSCC_PHY_CSR_CNTL_19_CMD));
 766
 767         if (!(val & MSCC_PHY_CSR_CNTL_19_CMD))
 768                 return 0xffffffff;
 769
 770         /* Read the Least Significant Word (LSW) (17) */
 771         val_l = phy_base_read(phydev, MSCC_EXT_PAGE_CSR_CNTL_17);
 772
 773         /* Read the Most Significant Word (MSW) (18) */
 774         val_h = phy_base_read(phydev, MSCC_EXT_PAGE_CSR_CNTL_18);
 775
 776         phy_base_write(phydev, MSCC_EXT_PAGE_ACCESS,
 777                        MSCC_PHY_PAGE_STANDARD);
 778
 779         return (val_h << 16) | val_l;
 780 }
 781
 782 int vsc85xx_csr_write(struct phy_device *phydev,
 783                       enum csr_target target, u32 reg, u32 val)
 784 {
 785         unsigned long deadline;
 786
 787         phy_base_write(phydev, MSCC_EXT_PAGE_ACCESS, MSCC_PHY_PAGE_CSR_CNTL);
 788
 789         /* CSR registers are grouped under different Target IDs.
 790          * 6-bit Target_ID is split between MSCC_EXT_PAGE_CSR_CNTL_20 and
 791          * MSCC_EXT_PAGE_CSR_CNTL_19 registers.
 792          * Target_ID[5:2] maps to bits[3:0] of MSCC_EXT_PAGE_CSR_CNTL_20
 793          * and Target_ID[1:0] maps to bits[13:12] of MSCC_EXT_PAGE_CSR_CNTL_19.
 794          */
 795
 796         /* Setup the Target ID */
 797         phy_base_write(phydev, MSCC_EXT_PAGE_CSR_CNTL_20,
 798                        MSCC_PHY_CSR_CNTL_20_TARGET(target >> 2));
 799
 800         /* Write the Least Significant Word (LSW) (17) */
 801         phy_base_write(phydev, MSCC_EXT_PAGE_CSR_CNTL_17, (u16)val);
 802
 803         /* Write the Most Significant Word (MSW) (18) */
 804         phy_base_write(phydev, MSCC_EXT_PAGE_CSR_CNTL_18, (u16)(val >> 16));
 805
 806         if ((target >> 2 == 0x1) || (target >> 2 == 0x3))
 807                 /* non-MACsec access */
 808                 target &= 0x3;
 809         else
 810                 target = 0;
 811
 812         /* Trigger CSR Action - Write into the CSR's */
 813         phy_base_write(phydev, MSCC_EXT_PAGE_CSR_CNTL_19,
 814                        MSCC_PHY_CSR_CNTL_19_CMD |
 815                        MSCC_PHY_CSR_CNTL_19_REG_ADDR(reg) |
 816                        MSCC_PHY_CSR_CNTL_19_TARGET(target));
 817
 818         /* Wait for register access */
 819         deadline = jiffies + msecs_to_jiffies(PROC_CMD_NCOMPLETED_TIMEOUT_MS);
 820         do {
 821                 usleep_range(500, 1000);
 822                 val = phy_base_read(phydev, MSCC_EXT_PAGE_CSR_CNTL_19);
 823         } while (time_before(jiffies, deadline) &&
 824                  !(val & MSCC_PHY_CSR_CNTL_19_CMD));
 825
 826         if (!(val & MSCC_PHY_CSR_CNTL_19_CMD))
 827                 return -ETIMEDOUT;
 828
 829         phy_base_write(phydev, MSCC_EXT_PAGE_ACCESS,
 830                        MSCC_PHY_PAGE_STANDARD);
 831
 832         return 0;
 833 }
 834
 835 /* bus->mdio_lock should be locked when using this function */
 836 static void vsc8584_csr_write(struct phy_device *phydev, u16 addr, u32 val)
 837 {
 838         phy_base_write(phydev, MSCC_PHY_TR_MSB, val >> 16);
 839         phy_base_write(phydev, MSCC_PHY_TR_LSB, val & GENMASK(15, 0));
 840         phy_base_write(phydev, MSCC_PHY_TR_CNTL, TR_WRITE | TR_ADDR(addr));
 841 }
 842
 843 /* bus->mdio_lock should be locked when using this function */
 844 int vsc8584_cmd(struct phy_device *phydev, u16 val)
 845 {
 846         unsigned long deadline;
 847         u16 reg_val;
 848
 849         phy_base_write(phydev, MSCC_EXT_PAGE_ACCESS,
 850                        MSCC_PHY_PAGE_EXTENDED_GPIO);
 851
 852         phy_base_write(phydev, MSCC_PHY_PROC_CMD, PROC_CMD_NCOMPLETED | val);
 853
 854         deadline = jiffies + msecs_to_jiffies(PROC_CMD_NCOMPLETED_TIMEOUT_MS);
 855         do {
 856                 reg_val = phy_base_read(phydev, MSCC_PHY_PROC_CMD);
 857         } while (time_before(jiffies, deadline) &&
 858                  (reg_val & PROC_CMD_NCOMPLETED) &&
 859                  !(reg_val & PROC_CMD_FAILED));
 860
 861         phy_base_write(phydev, MSCC_EXT_PAGE_ACCESS, MSCC_PHY_PAGE_STANDARD);
 862
 863         if (reg_val & PROC_CMD_FAILED)
 864                 return -EIO;
 865
 866         if (reg_val & PROC_CMD_NCOMPLETED)
 867                 return -ETIMEDOUT;
 868
 869         return 0;
 870 }
 871
 872 /* bus->mdio_lock should be locked when using this function */
 873 static int vsc8584_micro_deassert_reset(struct phy_device *phydev,
 874                                         bool patch_en)
 875 {
 876         u32 enable, release;
 877
 878         phy_base_write(phydev, MSCC_EXT_PAGE_ACCESS,
 879                        MSCC_PHY_PAGE_EXTENDED_GPIO);
 880
 881         enable = RUN_FROM_INT_ROM | MICRO_CLK_EN | DW8051_CLK_EN;
 882         release = MICRO_NSOFT_RESET | RUN_FROM_INT_ROM | DW8051_CLK_EN |
 883                 MICRO_CLK_EN;
 884
 885         if (patch_en) {
 886                 enable |= MICRO_PATCH_EN;
 887                 release |= MICRO_PATCH_EN;
 888
 889                 /* Clear all patches */
 890                 phy_base_write(phydev, MSCC_INT_MEM_CNTL, READ_RAM);
 891         }
 892
 893         /* Enable 8051 Micro clock; CLEAR/SET patch present; disable PRAM clock
 894          * override and addr. auto-incr; operate at 125 MHz
 895          */
 896         phy_base_write(phydev, MSCC_DW8051_CNTL_STATUS, enable);
 897         /* Release 8051 Micro SW reset */
 898         phy_base_write(phydev, MSCC_DW8051_CNTL_STATUS, release);
 899
 900         phy_base_write(phydev, MSCC_EXT_PAGE_ACCESS, MSCC_PHY_PAGE_STANDARD);
 901
 902         return 0;
 903 }
 904
 905 /* bus->mdio_lock should be locked when using this function */
 906 static int vsc8584_micro_assert_reset(struct phy_device *phydev)
 907 {
 908         int ret;
 909         u16 reg;
 910
 911         ret = vsc8584_cmd(phydev, PROC_CMD_NOP);
 912         if (ret)
 913                 return ret;
 914
 915         phy_base_write(phydev, MSCC_EXT_PAGE_ACCESS,
 916                        MSCC_PHY_PAGE_EXTENDED_GPIO);
 917
 918         reg = phy_base_read(phydev, MSCC_INT_MEM_CNTL);
 919         reg &= ~EN_PATCH_RAM_TRAP_ADDR(4);
 920         phy_base_write(phydev, MSCC_INT_MEM_CNTL, reg);
 921
 922         phy_base_write(phydev, MSCC_TRAP_ROM_ADDR(4), 0x005b);
 923         phy_base_write(phydev, MSCC_PATCH_RAM_ADDR(4), 0x005b);
 924
 925         reg = phy_base_read(phydev, MSCC_INT_MEM_CNTL);
 926         reg |= EN_PATCH_RAM_TRAP_ADDR(4);
 927         phy_base_write(phydev, MSCC_INT_MEM_CNTL, reg);
 928
 929         phy_base_write(phydev, MSCC_PHY_PROC_CMD, PROC_CMD_NOP);
 930
 931         reg = phy_base_read(phydev, MSCC_DW8051_CNTL_STATUS);
 932         reg &= ~MICRO_NSOFT_RESET;
 933         phy_base_write(phydev, MSCC_DW8051_CNTL_STATUS, reg);
 934
 935         phy_base_write(phydev, MSCC_PHY_PROC_CMD, PROC_CMD_MCB_ACCESS_MAC_CONF |
 936                        PROC_CMD_SGMII_PORT(0) | PROC_CMD_NO_MAC_CONF |
 937                        PROC_CMD_READ);
 938
 939         reg = phy_base_read(phydev, MSCC_INT_MEM_CNTL);
 940         reg &= ~EN_PATCH_RAM_TRAP_ADDR(4);
 941         phy_base_write(phydev, MSCC_INT_MEM_CNTL, reg);
 942
 943         phy_base_write(phydev, MSCC_EXT_PAGE_ACCESS, MSCC_PHY_PAGE_STANDARD);
 944
 945         return 0;
 946 }
 947
 948 /* bus->mdio_lock should be locked when using this function */
 949 static int vsc8584_get_fw_crc(struct phy_device *phydev, u16 start, u16 size,
 950                               u16 *crc)
 951 {
 952         int ret;
 953
 954         phy_base_write(phydev, MSCC_EXT_PAGE_ACCESS, MSCC_PHY_PAGE_EXTENDED);
 955
 956         phy_base_write(phydev, MSCC_PHY_VERIPHY_CNTL_2, start);
 957         phy_base_write(phydev, MSCC_PHY_VERIPHY_CNTL_3, size);
 958
 959         /* Start Micro command */
 960         ret = vsc8584_cmd(phydev, PROC_CMD_CRC16);
 961         if (ret)
 962                 goto out;
 963
 964         phy_base_write(phydev, MSCC_EXT_PAGE_ACCESS, MSCC_PHY_PAGE_EXTENDED);
 965
 966         *crc = phy_base_read(phydev, MSCC_PHY_VERIPHY_CNTL_2);
 967
 968 out:
 969         phy_base_write(phydev, MSCC_EXT_PAGE_ACCESS, MSCC_PHY_PAGE_STANDARD);
 970
 971         return ret;
 972 }
 973
 974 /* bus->mdio_lock should be locked when using this function */
 975 static int vsc8584_patch_fw(struct phy_device *phydev,
 976                             const struct firmware *fw)
 977 {
 978         int i, ret;
 979
 980         ret = vsc8584_micro_assert_reset(phydev);
 981         if (ret) {
 982                 dev_err(&phydev->mdio.dev,
 983                         "%s: failed to assert reset of micro\n", __func__);
 984                 return ret;
 985         }
 986
 987         phy_base_write(phydev, MSCC_EXT_PAGE_ACCESS,
 988                        MSCC_PHY_PAGE_EXTENDED_GPIO);
 989
 990         /* Hold 8051 Micro in SW Reset, Enable auto incr address and patch clock
 991          * Disable the 8051 Micro clock
 992          */
 993         phy_base_write(phydev, MSCC_DW8051_CNTL_STATUS, RUN_FROM_INT_ROM |
 994                        AUTOINC_ADDR | PATCH_RAM_CLK | MICRO_CLK_EN |
 995                        MICRO_CLK_DIVIDE(2));
 996         phy_base_write(phydev, MSCC_INT_MEM_CNTL, READ_PRAM | INT_MEM_WRITE_EN |
 997                        INT_MEM_DATA(2));
 998         phy_base_write(phydev, MSCC_INT_MEM_ADDR, 0x0000);
 999
1000         for (i = 0; i < fw->size; i++)
1001                 phy_base_write(phydev, MSCC_INT_MEM_CNTL, READ_PRAM |
1002                                INT_MEM_WRITE_EN | fw->data[i]);
1003
1004         /* Clear internal memory access */
1005         phy_base_write(phydev, MSCC_INT_MEM_CNTL, READ_RAM);
1006
1007         phy_base_write(phydev, MSCC_EXT_PAGE_ACCESS, MSCC_PHY_PAGE_STANDARD);
1008
1009         return 0;
1010 }
1011
1012 /* bus->mdio_lock should be locked when using this function */
1013 static bool vsc8574_is_serdes_init(struct phy_device *phydev)
1014 {
1015         u16 reg;
1016         bool ret;
1017
1018         phy_base_write(phydev, MSCC_EXT_PAGE_ACCESS,
1019                        MSCC_PHY_PAGE_EXTENDED_GPIO);
1020
1021         reg = phy_base_read(phydev, MSCC_TRAP_ROM_ADDR(1));
1022         if (reg != 0x3eb7) {
1023                 ret = false;
1024                 goto out;
1025         }
1026
1027         reg = phy_base_read(phydev, MSCC_PATCH_RAM_ADDR(1));
1028         if (reg != 0x4012) {
1029                 ret = false;
1030                 goto out;
1031         }
1032
1033         reg = phy_base_read(phydev, MSCC_INT_MEM_CNTL);
1034         if (reg != EN_PATCH_RAM_TRAP_ADDR(1)) {
1035                 ret = false;
1036                 goto out;
1037         }
1038
1039         reg = phy_base_read(phydev, MSCC_DW8051_CNTL_STATUS);
1040         if ((MICRO_NSOFT_RESET | RUN_FROM_INT_ROM |  DW8051_CLK_EN |
1041              MICRO_CLK_EN) != (reg & MSCC_DW8051_VLD_MASK)) {
1042                 ret = false;
1043                 goto out;
1044         }
1045
1046         ret = true;
1047 out:
1048         phy_base_write(phydev, MSCC_EXT_PAGE_ACCESS, MSCC_PHY_PAGE_STANDARD);
1049
1050         return ret;
1051 }
1052
1053 /* bus->mdio_lock should be locked when using this function */
1054 static int vsc8574_config_pre_init(struct phy_device *phydev)
1055 {
1056         static const struct reg_val pre_init1[] = {
1057                 {0x0fae, 0x000401bd},
1058                 {0x0fac, 0x000f000f},
1059                 {0x17a0, 0x00a0f147},
1060                 {0x0fe4, 0x00052f54},
1061                 {0x1792, 0x0027303d},
1062                 {0x07fe, 0x00000704},
1063                 {0x0fe0, 0x00060150},
1064                 {0x0f82, 0x0012b00a},
1065                 {0x0f80, 0x00000d74},
1066                 {0x02e0, 0x00000012},
1067                 {0x03a2, 0x00050208},
1068                 {0x03b2, 0x00009186},
1069                 {0x0fb0, 0x000e3700},
1070                 {0x1688, 0x00049f81},
1071                 {0x0fd2, 0x0000ffff},
1072                 {0x168a, 0x00039fa2},
1073                 {0x1690, 0x0020640b},
1074                 {0x0258, 0x00002220},
1075                 {0x025a, 0x00002a20},
1076                 {0x025c, 0x00003060},
1077                 {0x025e, 0x00003fa0},
1078                 {0x03a6, 0x0000e0f0},
1079                 {0x0f92, 0x00001489},
1080                 {0x16a2, 0x00007000},
1081                 {0x16a6, 0x00071448},
1082                 {0x16a0, 0x00eeffdd},
1083                 {0x0fe8, 0x0091b06c},
1084                 {0x0fea, 0x00041600},
1085                 {0x16b0, 0x00eeff00},
1086                 {0x16b2, 0x00007000},
1087                 {0x16b4, 0x00000814},
1088                 {0x0f90, 0x00688980},
1089                 {0x03a4, 0x0000d8f0},
1090                 {0x0fc0, 0x00000400},
1091                 {0x07fa, 0x0050100f},
1092                 {0x0796, 0x00000003},
1093                 {0x07f8, 0x00c3ff98},
1094                 {0x0fa4, 0x0018292a},
1095                 {0x168c, 0x00d2c46f},
1096                 {0x17a2, 0x00000620},
1097                 {0x16a4, 0x0013132f},
1098                 {0x16a8, 0x00000000},
1099                 {0x0ffc, 0x00c0a028},
1100                 {0x0fec, 0x00901c09},
1101                 {0x0fee, 0x0004a6a1},
1102                 {0x0ffe, 0x00b01807},
1103         };
1104         static const struct reg_val pre_init2[] = {
1105                 {0x0486, 0x0008a518},
1106                 {0x0488, 0x006dc696},
1107                 {0x048a, 0x00000912},
1108                 {0x048e, 0x00000db6},
1109                 {0x049c, 0x00596596},
1110                 {0x049e, 0x00000514},
1111                 {0x04a2, 0x00410280},
1112                 {0x04a4, 0x00000000},
1113                 {0x04a6, 0x00000000},
1114                 {0x04a8, 0x00000000},
1115                 {0x04aa, 0x00000000},
1116                 {0x04ae, 0x007df7dd},
1117                 {0x04b0, 0x006d95d4},
1118                 {0x04b2, 0x00492410},
1119         };
1120         struct device *dev = &phydev->mdio.dev;
1121         const struct firmware *fw;
1122         unsigned int i;
1123         u16 crc, reg;
1124         bool serdes_init;
1125         int ret;
1126
1127         phy_base_write(phydev, MSCC_EXT_PAGE_ACCESS, MSCC_PHY_PAGE_STANDARD);
1128
1129         /* all writes below are broadcasted to all PHYs in the same package */
1130         reg = phy_base_read(phydev, MSCC_PHY_EXT_CNTL_STATUS);
1131         reg |= SMI_BROADCAST_WR_EN;
1132         phy_base_write(phydev, MSCC_PHY_EXT_CNTL_STATUS, reg);
1133
1134         phy_base_write(phydev, MII_VSC85XX_INT_MASK, 0);
1135
1136         /* The below register writes are tweaking analog and electrical
1137          * configuration that were determined through characterization by PHY
1138          * engineers. These don't mean anything more than "these are the best
1139          * values".
1140          */
1141         phy_base_write(phydev, MSCC_PHY_EXT_PHY_CNTL_2, 0x0040);
1142
1143         phy_base_write(phydev, MSCC_EXT_PAGE_ACCESS, MSCC_PHY_PAGE_TEST);
1144
1145         phy_base_write(phydev, MSCC_PHY_TEST_PAGE_20, 0x4320);
1146         phy_base_write(phydev, MSCC_PHY_TEST_PAGE_24, 0x0c00);
1147         phy_base_write(phydev, MSCC_PHY_TEST_PAGE_9, 0x18ca);
1148         phy_base_write(phydev, MSCC_PHY_TEST_PAGE_5, 0x1b20);
1149
1150         reg = phy_base_read(phydev, MSCC_PHY_TEST_PAGE_8);
1151         reg |= TR_CLK_DISABLE;
1152         phy_base_write(phydev, MSCC_PHY_TEST_PAGE_8, reg);
1153
1154         phy_base_write(phydev, MSCC_EXT_PAGE_ACCESS, MSCC_PHY_PAGE_TR);
1155
1156         for (i = 0; i < ARRAY_SIZE(pre_init1); i++)
1157                 vsc8584_csr_write(phydev, pre_init1[i].reg, pre_init1[i].val);
1158
1159         phy_base_write(phydev, MSCC_EXT_PAGE_ACCESS, MSCC_PHY_PAGE_EXTENDED_2);
1160
1161         phy_base_write(phydev, MSCC_PHY_CU_PMD_TX_CNTL, 0x028e);
1162
1163         phy_base_write(phydev, MSCC_EXT_PAGE_ACCESS, MSCC_PHY_PAGE_TR);
1164
1165         for (i = 0; i < ARRAY_SIZE(pre_init2); i++)
1166                 vsc8584_csr_write(phydev, pre_init2[i].reg, pre_init2[i].val);
1167
1168         phy_base_write(phydev, MSCC_EXT_PAGE_ACCESS, MSCC_PHY_PAGE_TEST);
1169
1170         reg = phy_base_read(phydev, MSCC_PHY_TEST_PAGE_8);
1171         reg &= ~TR_CLK_DISABLE;
1172         phy_base_write(phydev, MSCC_PHY_TEST_PAGE_8, reg);
1173
1174         phy_base_write(phydev, MSCC_EXT_PAGE_ACCESS, MSCC_PHY_PAGE_STANDARD);
1175
1176         /* end of write broadcasting */
1177         reg = phy_base_read(phydev, MSCC_PHY_EXT_CNTL_STATUS);
1178         reg &= ~SMI_BROADCAST_WR_EN;
1179         phy_base_write(phydev, MSCC_PHY_EXT_CNTL_STATUS, reg);
1180
1181         ret = request_firmware(&fw, MSCC_VSC8574_REVB_INT8051_FW, dev);
1182         if (ret) {
1183                 dev_err(dev, "failed to load firmware %s, ret: %d\n",
1184                         MSCC_VSC8574_REVB_INT8051_FW, ret);
1185                 return ret;
1186         }
1187
1188         /* Add one byte to size for the one added by the patch_fw function */
1189         ret = vsc8584_get_fw_crc(phydev,
1190                                  MSCC_VSC8574_REVB_INT8051_FW_START_ADDR,
1191                                  fw->size + 1, &crc);
1192         if (ret)
1193                 goto out;
1194
1195         if (crc == MSCC_VSC8574_REVB_INT8051_FW_CRC) {
1196                 serdes_init = vsc8574_is_serdes_init(phydev);
1197
1198                 if (!serdes_init) {
1199                         ret = vsc8584_micro_assert_reset(phydev);
1200                         if (ret) {
1201                                 dev_err(dev,
1202                                         "%s: failed to assert reset of micro\n",
1203                                         __func__);
1204                                 goto out;
1205                         }
1206                 }
1207         } else {
1208                 dev_dbg(dev, "FW CRC is not the expected one, patching FW\n");
1209
1210                 serdes_init = false;
1211
1212                 if (vsc8584_patch_fw(phydev, fw))
1213                         dev_warn(dev,
1214                                  "failed to patch FW, expect non-optimal device\n");
1215         }
1216
1217         if (!serdes_init) {
1218                 phy_base_write(phydev, MSCC_EXT_PAGE_ACCESS,
1219                                MSCC_PHY_PAGE_EXTENDED_GPIO);
1220
1221                 phy_base_write(phydev, MSCC_TRAP_ROM_ADDR(1), 0x3eb7);
1222                 phy_base_write(phydev, MSCC_PATCH_RAM_ADDR(1), 0x4012);
1223                 phy_base_write(phydev, MSCC_INT_MEM_CNTL,
1224                                EN_PATCH_RAM_TRAP_ADDR(1));
1225
1226                 vsc8584_micro_deassert_reset(phydev, false);
1227
1228                 /* Add one byte to size for the one added by the patch_fw
1229                  * function
1230                  */
1231                 ret = vsc8584_get_fw_crc(phydev,
1232                                          MSCC_VSC8574_REVB_INT8051_FW_START_ADDR,
1233                                          fw->size + 1, &crc);
1234                 if (ret)
1235                         goto out;
1236
1237                 if (crc != MSCC_VSC8574_REVB_INT8051_FW_CRC)
1238                         dev_warn(dev,
1239                                  "FW CRC after patching is not the expected one, expect non-optimal device\n");
1240         }
1241
1242         phy_base_write(phydev, MSCC_EXT_PAGE_ACCESS,
1243                        MSCC_PHY_PAGE_EXTENDED_GPIO);
1244
1245         ret = vsc8584_cmd(phydev, PROC_CMD_1588_DEFAULT_INIT |
1246                           PROC_CMD_PHY_INIT);
1247
1248 out:
1249         phy_base_write(phydev, MSCC_EXT_PAGE_ACCESS, MSCC_PHY_PAGE_STANDARD);
1250
1251         release_firmware(fw);
1252
1253         return ret;
1254 }
1255
1256 /* Access LCPLL Cfg_2 */
1257 static void vsc8584_pll5g_cfg2_wr(struct phy_device *phydev,
1258                                   bool disable_fsm)
1259 {
1260         u32 rd_dat;
1261
1262         rd_dat = vsc85xx_csr_read(phydev, MACRO_CTRL, PHY_S6G_PLL5G_CFG2);
1263         rd_dat &= ~BIT(PHY_S6G_CFG2_FSM_DIS);
1264         rd_dat |= (disable_fsm << PHY_S6G_CFG2_FSM_DIS);
1265         vsc85xx_csr_write(phydev, MACRO_CTRL, PHY_S6G_PLL5G_CFG2, rd_dat);
1266 }
1267
1268 /* trigger a read to the spcified MCB */
1269 static int vsc8584_mcb_rd_trig(struct phy_device *phydev,
1270                                u32 mcb_reg_addr, u8 mcb_slave_num)
1271 {
1272         u32 rd_dat = 0;
1273
1274         /* read MCB */
1275         vsc85xx_csr_write(phydev, MACRO_CTRL, mcb_reg_addr,
1276                           (0x40000000 | (1L << mcb_slave_num)));
1277
1278         return read_poll_timeout(vsc85xx_csr_read, rd_dat,
1279                                  !(rd_dat & 0x40000000),
1280                                  4000, 200000, 0,
1281                                  phydev, MACRO_CTRL, mcb_reg_addr);
1282 }
1283
1284 /* trigger a write to the spcified MCB */
1285 static int vsc8584_mcb_wr_trig(struct phy_device *phydev,
1286                                u32 mcb_reg_addr,
1287                                u8 mcb_slave_num)
1288 {
1289         u32 rd_dat = 0;
1290
1291         /* write back MCB */
1292         vsc85xx_csr_write(phydev, MACRO_CTRL, mcb_reg_addr,
1293                           (0x80000000 | (1L << mcb_slave_num)));
1294
1295         return read_poll_timeout(vsc85xx_csr_read, rd_dat,
1296                                  !(rd_dat & 0x80000000),
1297                                  4000, 200000, 0,
1298                                  phydev, MACRO_CTRL, mcb_reg_addr);
1299 }
1300
1301 /* Sequence to Reset LCPLL for the VIPER and ELISE PHY */
1302 static int vsc8584_pll5g_reset(struct phy_device *phydev)
1303 {
1304         bool dis_fsm;
1305         int ret = 0;
1306
1307         ret = vsc8584_mcb_rd_trig(phydev, 0x11, 0);
1308         if (ret < 0)
1309                 goto done;
1310         dis_fsm = 1;
1311
1312         /* Reset LCPLL */
1313         vsc8584_pll5g_cfg2_wr(phydev, dis_fsm);
1314
1315         /* write back LCPLL MCB */
1316         ret = vsc8584_mcb_wr_trig(phydev, 0x11, 0);
1317         if (ret < 0)
1318                 goto done;
1319
1320         /* 10 mSec sleep while LCPLL is hold in reset */
1321         usleep_range(10000, 20000);
1322
1323         /* read LCPLL MCB into CSRs */
1324         ret = vsc8584_mcb_rd_trig(phydev, 0x11, 0);
1325         if (ret < 0)
1326                 goto done;
1327         dis_fsm = 0;
1328
1329         /* Release the Reset of LCPLL */
1330         vsc8584_pll5g_cfg2_wr(phydev, dis_fsm);
1331
1332         /* write back LCPLL MCB */
1333         ret = vsc8584_mcb_wr_trig(phydev, 0x11, 0);
1334         if (ret < 0)
1335                 goto done;
1336
1337         usleep_range(110000, 200000);
1338 done:
1339         return ret;
1340 }
1341
1342 /* bus->mdio_lock should be locked when using this function */
1343 static int vsc8584_config_pre_init(struct phy_device *phydev)
1344 {
1345         static const struct reg_val pre_init1[] = {
1346                 {0x07fa, 0x0050100f},
1347                 {0x1688, 0x00049f81},
1348                 {0x0f90, 0x00688980},
1349                 {0x03a4, 0x0000d8f0},
1350                 {0x0fc0, 0x00000400},
1351                 {0x0f82, 0x0012b002},
1352                 {0x1686, 0x00000004},
1353                 {0x168c, 0x00d2c46f},
1354                 {0x17a2, 0x00000620},
1355                 {0x16a0, 0x00eeffdd},
1356                 {0x16a6, 0x00071448},
1357                 {0x16a4, 0x0013132f},
1358                 {0x16a8, 0x00000000},
1359                 {0x0ffc, 0x00c0a028},
1360                 {0x0fe8, 0x0091b06c},
1361                 {0x0fea, 0x00041600},
1362                 {0x0f80, 0x00fffaff},
1363                 {0x0fec, 0x00901809},
1364                 {0x0ffe, 0x00b01007},
1365                 {0x16b0, 0x00eeff00},
1366                 {0x16b2, 0x00007000},
1367                 {0x16b4, 0x00000814},
1368         };
1369         static const struct reg_val pre_init2[] = {
1370                 {0x0486, 0x0008a518},
1371                 {0x0488, 0x006dc696},
1372                 {0x048a, 0x00000912},
1373         };
1374         const struct firmware *fw;
1375         struct device *dev = &phydev->mdio.dev;
1376         unsigned int i;
1377         u16 crc, reg;
1378         int ret;
1379
1380         ret = vsc8584_pll5g_reset(phydev);
1381         if (ret < 0) {
1382                 dev_err(dev, "failed LCPLL reset, ret: %d\n", ret);
1383                 return ret;
1384         }
1385
1386         phy_base_write(phydev, MSCC_EXT_PAGE_ACCESS, MSCC_PHY_PAGE_STANDARD);
1387
1388         /* all writes below are broadcasted to all PHYs in the same package */
1389         reg = phy_base_read(phydev, MSCC_PHY_EXT_CNTL_STATUS);
1390         reg |= SMI_BROADCAST_WR_EN;
1391         phy_base_write(phydev, MSCC_PHY_EXT_CNTL_STATUS, reg);
1392
1393         phy_base_write(phydev, MII_VSC85XX_INT_MASK, 0);
1394
1395         reg = phy_base_read(phydev,  MSCC_PHY_BYPASS_CONTROL);
1396         reg |= PARALLEL_DET_IGNORE_ADVERTISED;
1397         phy_base_write(phydev, MSCC_PHY_BYPASS_CONTROL, reg);
1398
1399         /* The below register writes are tweaking analog and electrical
1400          * configuration that were determined through characterization by PHY
1401          * engineers. These don't mean anything more than "these are the best
1402          * values".
1403          */
1404         phy_base_write(phydev, MSCC_EXT_PAGE_ACCESS, MSCC_PHY_PAGE_EXTENDED_3);
1405
1406         phy_base_write(phydev, MSCC_PHY_SERDES_TX_CRC_ERR_CNT, 0x2000);
1407
1408         phy_base_write(phydev, MSCC_EXT_PAGE_ACCESS, MSCC_PHY_PAGE_TEST);
1409
1410         phy_base_write(phydev, MSCC_PHY_TEST_PAGE_5, 0x1f20);
1411
1412         reg = phy_base_read(phydev, MSCC_PHY_TEST_PAGE_8);
1413         reg |= TR_CLK_DISABLE;
1414         phy_base_write(phydev, MSCC_PHY_TEST_PAGE_8, reg);
1415
1416         phy_base_write(phydev, MSCC_EXT_PAGE_ACCESS, MSCC_PHY_PAGE_TR);
1417
1418         phy_base_write(phydev, MSCC_PHY_TR_CNTL, TR_WRITE | TR_ADDR(0x2fa4));
1419
1420         reg = phy_base_read(phydev, MSCC_PHY_TR_MSB);
1421         reg &= ~0x007f;
1422         reg |= 0x0019;
1423         phy_base_write(phydev, MSCC_PHY_TR_MSB, reg);
1424
1425         phy_base_write(phydev, MSCC_PHY_TR_CNTL, TR_WRITE | TR_ADDR(0x0fa4));
1426
1427         for (i = 0; i < ARRAY_SIZE(pre_init1); i++)
1428                 vsc8584_csr_write(phydev, pre_init1[i].reg, pre_init1[i].val);
1429
1430         phy_base_write(phydev, MSCC_EXT_PAGE_ACCESS, MSCC_PHY_PAGE_EXTENDED_2);
1431
1432         phy_base_write(phydev, MSCC_PHY_CU_PMD_TX_CNTL, 0x028e);
1433
1434         phy_base_write(phydev, MSCC_EXT_PAGE_ACCESS, MSCC_PHY_PAGE_TR);
1435
1436         for (i = 0; i < ARRAY_SIZE(pre_init2); i++)
1437                 vsc8584_csr_write(phydev, pre_init2[i].reg, pre_init2[i].val);
1438
1439         phy_base_write(phydev, MSCC_EXT_PAGE_ACCESS, MSCC_PHY_PAGE_TEST);
1440
1441         reg = phy_base_read(phydev, MSCC_PHY_TEST_PAGE_8);
1442         reg &= ~TR_CLK_DISABLE;
1443         phy_base_write(phydev, MSCC_PHY_TEST_PAGE_8, reg);
1444
1445         phy_base_write(phydev, MSCC_EXT_PAGE_ACCESS, MSCC_PHY_PAGE_STANDARD);
1446
1447         /* end of write broadcasting */
1448         reg = phy_base_read(phydev, MSCC_PHY_EXT_CNTL_STATUS);
1449         reg &= ~SMI_BROADCAST_WR_EN;
1450         phy_base_write(phydev, MSCC_PHY_EXT_CNTL_STATUS, reg);
1451
1452         ret = request_firmware(&fw, MSCC_VSC8584_REVB_INT8051_FW, dev);
1453         if (ret) {
1454                 dev_err(dev, "failed to load firmware %s, ret: %d\n",
1455                         MSCC_VSC8584_REVB_INT8051_FW, ret);
1456                 return ret;
1457         }
1458
1459         /* Add one byte to size for the one added by the patch_fw function */
1460         ret = vsc8584_get_fw_crc(phydev,
1461                                  MSCC_VSC8584_REVB_INT8051_FW_START_ADDR,
1462                                  fw->size + 1, &crc);
1463         if (ret)
1464                 goto out;
1465
1466         if (crc != MSCC_VSC8584_REVB_INT8051_FW_CRC) {
1467                 dev_dbg(dev, "FW CRC is not the expected one, patching FW\n");
1468                 if (vsc8584_patch_fw(phydev, fw))
1469                         dev_warn(dev,
1470                                  "failed to patch FW, expect non-optimal device\n");
1471         }
1472
1473         vsc8584_micro_deassert_reset(phydev, false);
1474
1475         /* Add one byte to size for the one added by the patch_fw function */
1476         ret = vsc8584_get_fw_crc(phydev,
1477                                  MSCC_VSC8584_REVB_INT8051_FW_START_ADDR,
1478                                  fw->size + 1, &crc);
1479         if (ret)
1480                 goto out;
1481
1482         if (crc != MSCC_VSC8584_REVB_INT8051_FW_CRC)
1483                 dev_warn(dev,
1484                          "FW CRC after patching is not the expected one, expect non-optimal device\n");
1485
1486         ret = vsc8584_micro_assert_reset(phydev);
1487         if (ret)
1488                 goto out;
1489
1490         /* Write patch vector 0, to skip IB cal polling  */
1491         phy_base_write(phydev, MSCC_EXT_PAGE_ACCESS, MSCC_PHY_PAGE_EXTENDED_GPIO);
1492         reg = MSCC_ROM_TRAP_SERDES_6G_CFG; /* ROM address to trap, for patch vector 0 */
1493         ret = phy_base_write(phydev, MSCC_TRAP_ROM_ADDR(1), reg);
1494         if (ret)
1495                 goto out;
1496
1497         reg = MSCC_RAM_TRAP_SERDES_6G_CFG; /* RAM address to jump to, when patch vector 0 enabled */
1498         ret = phy_base_write(phydev, MSCC_PATCH_RAM_ADDR(1), reg);
1499         if (ret)
1500                 goto out;
1501
1502         reg = phy_base_read(phydev, MSCC_INT_MEM_CNTL);
1503         reg |= PATCH_VEC_ZERO_EN; /* bit 8, enable patch vector 0 */
1504         ret = phy_base_write(phydev, MSCC_INT_MEM_CNTL, reg);
1505         if (ret)
1506                 goto out;
1507
1508         vsc8584_micro_deassert_reset(phydev, true);
1509
1510 out:
1511         phy_base_write(phydev, MSCC_EXT_PAGE_ACCESS, MSCC_PHY_PAGE_STANDARD);
1512
1513         release_firmware(fw);
1514
1515         return ret;
1516 }
1517
1518 static void vsc8584_get_base_addr(struct phy_device *phydev)
1519 {
1520         struct vsc8531_private *vsc8531 = phydev->priv;
1521         u16 val, addr;
1522
1523         phy_lock_mdio_bus(phydev);
1524         __phy_write(phydev, MSCC_EXT_PAGE_ACCESS, MSCC_PHY_PAGE_EXTENDED);
1525
1526         addr = __phy_read(phydev, MSCC_PHY_EXT_PHY_CNTL_4);
1527         addr >>= PHY_CNTL_4_ADDR_POS;
1528
1529         val = __phy_read(phydev, MSCC_PHY_ACTIPHY_CNTL);
1530
1531         __phy_write(phydev, MSCC_EXT_PAGE_ACCESS, MSCC_PHY_PAGE_STANDARD);
1532         phy_unlock_mdio_bus(phydev);
1533
1534         /* In the package, there are two pairs of PHYs (PHY0 + PHY2 and
1535          * PHY1 + PHY3). The first PHY of each pair (PHY0 and PHY1) is
1536          * the base PHY for timestamping operations.
1537          */
1538         vsc8531->ts_base_addr = phydev->mdio.addr;
1539         vsc8531->ts_base_phy = addr;
1540
1541         if (val & PHY_ADDR_REVERSED) {
1542                 vsc8531->base_addr = phydev->mdio.addr + addr;
1543                 if (addr > 1) {
1544                         vsc8531->ts_base_addr += 2;
1545                         vsc8531->ts_base_phy += 2;
1546                 }
1547         } else {
1548                 vsc8531->base_addr = phydev->mdio.addr - addr;
1549                 if (addr > 1) {
1550                         vsc8531->ts_base_addr -= 2;
1551                         vsc8531->ts_base_phy -= 2;
1552                 }
1553         }
1554
1555         vsc8531->addr = addr;
1556 }
1557
1558 static void vsc85xx_coma_mode_release(struct phy_device *phydev)
1559 {
1560         /* The coma mode (pin or reg) provides an optional feature that
1561          * may be used to control when the PHYs become active.
1562          * Alternatively the COMA_MODE pin may be connected low
1563          * so that the PHYs are fully active once out of reset.
1564          */
1565
1566         /* Enable output (mode=0) and write zero to it */
1567         vsc85xx_phy_write_page(phydev, MSCC_PHY_PAGE_EXTENDED_GPIO);
1568         __phy_modify(phydev, MSCC_PHY_GPIO_CONTROL_2,
1569                      MSCC_PHY_COMA_MODE | MSCC_PHY_COMA_OUTPUT, 0);
1570         vsc85xx_phy_write_page(phydev, MSCC_PHY_PAGE_STANDARD);
1571 }
1572
1573 static int vsc8584_config_host_serdes(struct phy_device *phydev)
1574 {
1575         struct vsc8531_private *vsc8531 = phydev->priv;
1576         int ret;
1577         u16 val;
1578
1579         ret = phy_base_write(phydev, MSCC_EXT_PAGE_ACCESS,
1580                              MSCC_PHY_PAGE_EXTENDED_GPIO);
1581         if (ret)
1582                 return ret;
1583
1584         val = phy_base_read(phydev, MSCC_PHY_MAC_CFG_FASTLINK);
1585         val &= ~MAC_CFG_MASK;
1586         if (phydev->interface == PHY_INTERFACE_MODE_QSGMII) {
1587                 val |= MAC_CFG_QSGMII;
1588         } else if (phydev->interface == PHY_INTERFACE_MODE_SGMII) {
1589                 val |= MAC_CFG_SGMII;
1590         } else {
1591                 ret = -EINVAL;
1592                 return ret;
1593         }
1594
1595         ret = phy_base_write(phydev, MSCC_PHY_MAC_CFG_FASTLINK, val);
1596         if (ret)
1597                 return ret;
1598
1599         ret = phy_base_write(phydev, MSCC_EXT_PAGE_ACCESS,
1600                              MSCC_PHY_PAGE_STANDARD);
1601         if (ret)
1602                 return ret;
1603
1604         val = PROC_CMD_MCB_ACCESS_MAC_CONF | PROC_CMD_RST_CONF_PORT |
1605                 PROC_CMD_READ_MOD_WRITE_PORT;
1606         if (phydev->interface == PHY_INTERFACE_MODE_QSGMII)
1607                 val |= PROC_CMD_QSGMII_MAC;
1608         else
1609                 val |= PROC_CMD_SGMII_MAC;
1610
1611         ret = vsc8584_cmd(phydev, val);
1612         if (ret)
1613                 return ret;
1614
1615         usleep_range(10000, 20000);
1616
1617         /* Disable SerDes for 100Base-FX */
1618         ret = vsc8584_cmd(phydev, PROC_CMD_FIBER_MEDIA_CONF |
1619                           PROC_CMD_FIBER_PORT(vsc8531->addr) |
1620                           PROC_CMD_FIBER_DISABLE |
1621                           PROC_CMD_READ_MOD_WRITE_PORT |
1622                           PROC_CMD_RST_CONF_PORT | PROC_CMD_FIBER_100BASE_FX);
1623         if (ret)
1624                 return ret;
1625
1626         /* Disable SerDes for 1000Base-X */
1627         ret = vsc8584_cmd(phydev, PROC_CMD_FIBER_MEDIA_CONF |
1628                           PROC_CMD_FIBER_PORT(vsc8531->addr) |
1629                           PROC_CMD_FIBER_DISABLE |
1630                           PROC_CMD_READ_MOD_WRITE_PORT |
1631                           PROC_CMD_RST_CONF_PORT | PROC_CMD_FIBER_1000BASE_X);
1632         if (ret)
1633                 return ret;
1634
1635         return vsc85xx_sd6g_config_v2(phydev);
1636 }
1637
1638 static int vsc8574_config_host_serdes(struct phy_device *phydev)
1639 {
1640         struct vsc8531_private *vsc8531 = phydev->priv;
1641         int ret;
1642         u16 val;
1643
1644         ret = phy_base_write(phydev, MSCC_EXT_PAGE_ACCESS,
1645                              MSCC_PHY_PAGE_EXTENDED_GPIO);
1646         if (ret)
1647                 return ret;
1648
1649         val = phy_base_read(phydev, MSCC_PHY_MAC_CFG_FASTLINK);
1650         val &= ~MAC_CFG_MASK;
1651         if (phydev->interface == PHY_INTERFACE_MODE_QSGMII) {
1652                 val |= MAC_CFG_QSGMII;
1653         } else if (phydev->interface == PHY_INTERFACE_MODE_SGMII) {
1654                 val |= MAC_CFG_SGMII;
1655         } else if (phy_interface_is_rgmii(phydev)) {
1656                 val |= MAC_CFG_RGMII;
1657         } else {
1658                 ret = -EINVAL;
1659                 return ret;
1660         }
1661
1662         ret = phy_base_write(phydev, MSCC_PHY_MAC_CFG_FASTLINK, val);
1663         if (ret)
1664                 return ret;
1665
1666         ret = phy_base_write(phydev, MSCC_EXT_PAGE_ACCESS,
1667                              MSCC_PHY_PAGE_STANDARD);
1668         if (ret)
1669                 return ret;
1670
1671         if (!phy_interface_is_rgmii(phydev)) {
1672                 val = PROC_CMD_MCB_ACCESS_MAC_CONF | PROC_CMD_RST_CONF_PORT |
1673                         PROC_CMD_READ_MOD_WRITE_PORT;
1674                 if (phydev->interface == PHY_INTERFACE_MODE_QSGMII)
1675                         val |= PROC_CMD_QSGMII_MAC;
1676                 else
1677                         val |= PROC_CMD_SGMII_MAC;
1678
1679                 ret = vsc8584_cmd(phydev, val);
1680                 if (ret)
1681                         return ret;
1682
1683                 usleep_range(10000, 20000);
1684         }
1685
1686         /* Disable SerDes for 100Base-FX */
1687         ret = vsc8584_cmd(phydev, PROC_CMD_FIBER_MEDIA_CONF |
1688                           PROC_CMD_FIBER_PORT(vsc8531->addr) |
1689                           PROC_CMD_FIBER_DISABLE |
1690                           PROC_CMD_READ_MOD_WRITE_PORT |
1691                           PROC_CMD_RST_CONF_PORT | PROC_CMD_FIBER_100BASE_FX);
1692         if (ret)
1693                 return ret;
1694
1695         /* Disable SerDes for 1000Base-X */
1696         return vsc8584_cmd(phydev, PROC_CMD_FIBER_MEDIA_CONF |
1697                            PROC_CMD_FIBER_PORT(vsc8531->addr) |
1698                            PROC_CMD_FIBER_DISABLE |
1699                            PROC_CMD_READ_MOD_WRITE_PORT |
1700                            PROC_CMD_RST_CONF_PORT | PROC_CMD_FIBER_1000BASE_X);
1701 }
1702
1703 static int vsc8584_config_init(struct phy_device *phydev)
1704 {
1705         struct vsc8531_private *vsc8531 = phydev->priv;
1706         int ret, i;
1707         u16 val;
1708
1709         phydev->mdix_ctrl = ETH_TP_MDI_AUTO;
1710
1711         phy_lock_mdio_bus(phydev);
1712
1713         /* Some parts of the init sequence are identical for every PHY in the
1714          * package. Some parts are modifying the GPIO register bank which is a
1715          * set of registers that are affecting all PHYs, a few resetting the
1716          * microprocessor common to all PHYs. The CRC check responsible of the
1717          * checking the firmware within the 8051 microprocessor can only be
1718          * accessed via the PHY whose internal address in the package is 0.
1719          * All PHYs' interrupts mask register has to be zeroed before enabling
1720          * any PHY's interrupt in this register.
1721          * For all these reasons, we need to do the init sequence once and only
1722          * once whatever is the first PHY in the package that is initialized and
1723          * do the correct init sequence for all PHYs that are package-critical
1724          * in this pre-init function.
1725          */
1726         if (phy_package_init_once(phydev)) {
1727                 /* The following switch statement assumes that the lowest
1728                  * nibble of the phy_id_mask is always 0. This works because
1729                  * the lowest nibble of the PHY_ID's below are also 0.
1730                  */
1731                 WARN_ON(phydev->drv->phy_id_mask & 0xf);
1732
1733                 switch (phydev->phy_id & phydev->drv->phy_id_mask) {
1734                 case PHY_ID_VSC8504:
1735                 case PHY_ID_VSC8552:
1736                 case PHY_ID_VSC8572:
1737                 case PHY_ID_VSC8574:
1738                         ret = vsc8574_config_pre_init(phydev);
1739                         if (ret)
1740                                 goto err;
1741                         ret = vsc8574_config_host_serdes(phydev);
1742                         if (ret)
1743                                 goto err;
1744                         break;
1745                 case PHY_ID_VSC856X:
1746                 case PHY_ID_VSC8575:
1747                 case PHY_ID_VSC8582:
1748                 case PHY_ID_VSC8584:
1749                         ret = vsc8584_config_pre_init(phydev);
1750                         if (ret)
1751                                 goto err;
1752                         ret = vsc8584_config_host_serdes(phydev);
1753                         if (ret)
1754                                 goto err;
1755                         vsc85xx_coma_mode_release(phydev);
1756                         break;
1757                 default:
1758                         ret = -EINVAL;
1759                         break;
1760                 }
1761
1762                 if (ret)
1763                         goto err;
1764         }
1765
1766         phy_unlock_mdio_bus(phydev);
1767
1768         ret = vsc8584_macsec_init(phydev);
1769         if (ret)
1770                 return ret;
1771
1772         ret = vsc8584_ptp_init(phydev);
1773         if (ret)
1774                 return ret;
1775
1776         val = phy_read(phydev, MSCC_PHY_EXT_PHY_CNTL_1);
1777         val &= ~(MEDIA_OP_MODE_MASK | VSC8584_MAC_IF_SELECTION_MASK);
1778         val |= (MEDIA_OP_MODE_COPPER << MEDIA_OP_MODE_POS) |
1779                (VSC8584_MAC_IF_SELECTION_SGMII << VSC8584_MAC_IF_SELECTION_POS);
1780         ret = phy_write(phydev, MSCC_PHY_EXT_PHY_CNTL_1, val);
1781         if (ret)
1782                 return ret;
1783
1784         ret = vsc85xx_update_rgmii_cntl(phydev, VSC8572_RGMII_CNTL,
1785                                         VSC8572_RGMII_RX_DELAY_MASK,
1786                                         VSC8572_RGMII_TX_DELAY_MASK);
1787         if (ret)
1788                 return ret;
1789
1790         ret = genphy_soft_reset(phydev);
1791         if (ret)
1792                 return ret;
1793
1794         for (i = 0; i < vsc8531->nleds; i++) {
1795                 ret = vsc85xx_led_cntl_set(phydev, i, vsc8531->leds_mode[i]);
1796                 if (ret)
1797                         return ret;
1798         }
1799
1800         return 0;
1801
1802 err:
1803         phy_unlock_mdio_bus(phydev);
1804         return ret;
1805 }
1806
1807 static irqreturn_t vsc8584_handle_interrupt(struct phy_device *phydev)
1808 {
1809         irqreturn_t ret;
1810         int irq_status;
1811
1812         irq_status = phy_read(phydev, MII_VSC85XX_INT_STATUS);
1813         if (irq_status < 0)
1814                 return IRQ_NONE;
1815
1816         /* Timestamping IRQ does not set a bit in the global INT_STATUS, so
1817          * irq_status would be 0.
1818          */
1819         ret = vsc8584_handle_ts_interrupt(phydev);
1820         if (!(irq_status & MII_VSC85XX_INT_MASK_MASK))
1821                 return ret;
1822
1823         if (irq_status & MII_VSC85XX_INT_MASK_EXT)
1824                 vsc8584_handle_macsec_interrupt(phydev);
1825
1826         if (irq_status & MII_VSC85XX_INT_MASK_LINK_CHG)
1827                 phy_trigger_machine(phydev);
1828
1829         return IRQ_HANDLED;
1830 }
1831
1832 static int vsc85xx_config_init(struct phy_device *phydev)
1833 {
1834         int rc, i, phy_id;
1835         struct vsc8531_private *vsc8531 = phydev->priv;
1836
1837         rc = vsc85xx_default_config(phydev);
1838         if (rc)
1839                 return rc;
1840
1841         rc = vsc85xx_mac_if_set(phydev, phydev->interface);
1842         if (rc)
1843                 return rc;
1844
1845         rc = vsc85xx_edge_rate_cntl_set(phydev, vsc8531->rate_magic);
1846         if (rc)
1847                 return rc;
1848
1849         phy_id = phydev->drv->phy_id & phydev->drv->phy_id_mask;
1850         if (PHY_ID_VSC8531 == phy_id || PHY_ID_VSC8541 == phy_id ||
1851             PHY_ID_VSC8530 == phy_id || PHY_ID_VSC8540 == phy_id) {
1852                 rc = vsc8531_pre_init_seq_set(phydev);
1853                 if (rc)
1854                         return rc;
1855         }
1856
1857         rc = vsc85xx_eee_init_seq_set(phydev);
1858         if (rc)
1859                 return rc;
1860
1861         for (i = 0; i < vsc8531->nleds; i++) {
1862                 rc = vsc85xx_led_cntl_set(phydev, i, vsc8531->leds_mode[i]);
1863                 if (rc)
1864                         return rc;
1865         }
1866
1867         return 0;
1868 }
1869
1870 static int __phy_write_mcb_s6g(struct phy_device *phydev, u32 reg, u8 mcb,
1871                                u32 op)
1872 {
1873         unsigned long deadline;
1874         u32 val;
1875         int ret;
1876
1877         ret = vsc85xx_csr_write(phydev, PHY_MCB_TARGET, reg,
1878                                 op | (1 << mcb));
1879         if (ret)
1880                 return -EINVAL;
1881
1882         deadline = jiffies + msecs_to_jiffies(PROC_CMD_NCOMPLETED_TIMEOUT_MS);
1883         do {
1884                 usleep_range(500, 1000);
1885                 val = vsc85xx_csr_read(phydev, PHY_MCB_TARGET, reg);
1886
1887                 if (val == 0xffffffff)
1888                         return -EIO;
1889
1890         } while (time_before(jiffies, deadline) && (val & op));
1891
1892         if (val & op)
1893                 return -ETIMEDOUT;
1894
1895         return 0;
1896 }
1897
1898 /* Trigger a read to the specified MCB */
1899 int phy_update_mcb_s6g(struct phy_device *phydev, u32 reg, u8 mcb)
1900 {
1901         return __phy_write_mcb_s6g(phydev, reg, mcb, PHY_MCB_S6G_READ);
1902 }
1903
1904 /* Trigger a write to the specified MCB */
1905 int phy_commit_mcb_s6g(struct phy_device *phydev, u32 reg, u8 mcb)
1906 {
1907         return __phy_write_mcb_s6g(phydev, reg, mcb, PHY_MCB_S6G_WRITE);
1908 }
1909
1910 static int vsc8514_config_host_serdes(struct phy_device *phydev)
1911 {
1912         int ret;
1913         u16 val;
1914
1915         ret = phy_base_write(phydev, MSCC_EXT_PAGE_ACCESS,
1916                              MSCC_PHY_PAGE_EXTENDED_GPIO);
1917         if (ret)
1918                 return ret;
1919
1920         val = phy_base_read(phydev, MSCC_PHY_MAC_CFG_FASTLINK);
1921         val &= ~MAC_CFG_MASK;
1922         val |= MAC_CFG_QSGMII;
1923         ret = phy_base_write(phydev, MSCC_PHY_MAC_CFG_FASTLINK, val);
1924         if (ret)
1925                 return ret;
1926
1927         ret = phy_base_write(phydev, MSCC_EXT_PAGE_ACCESS,
1928                              MSCC_PHY_PAGE_STANDARD);
1929         if (ret)
1930                 return ret;
1931
1932         ret = vsc8584_cmd(phydev, PROC_CMD_NOP);
1933         if (ret)
1934                 return ret;
1935
1936         ret = vsc8584_cmd(phydev,
1937                           PROC_CMD_MCB_ACCESS_MAC_CONF |
1938                           PROC_CMD_RST_CONF_PORT |
1939                           PROC_CMD_READ_MOD_WRITE_PORT | PROC_CMD_QSGMII_MAC);
1940         if (ret) {
1941                 dev_err(&phydev->mdio.dev, "%s: QSGMII error: %d\n",
1942                         __func__, ret);
1943                 return ret;
1944         }
1945
1946         /* Apply 6G SerDes FOJI Algorithm
1947          *  Initial condition requirement:
1948          *  1. hold 8051 in reset
1949          *  2. disable patch vector 0, in order to allow IB cal poll during FoJi
1950          *  3. deassert 8051 reset after change patch vector status
1951          *  4. proceed with FoJi (vsc85xx_sd6g_config_v2)
1952          */
1953         vsc8584_micro_assert_reset(phydev);
1954         val = phy_base_read(phydev, MSCC_INT_MEM_CNTL);
1955         /* clear bit 8, to disable patch vector 0 */
1956         val &= ~PATCH_VEC_ZERO_EN;
1957         ret = phy_base_write(phydev, MSCC_INT_MEM_CNTL, val);
1958         /* Enable 8051 clock, don't set patch present, disable PRAM clock override */
1959         vsc8584_micro_deassert_reset(phydev, false);
1960
1961         return vsc85xx_sd6g_config_v2(phydev);
1962 }
1963
1964 static int vsc8514_config_pre_init(struct phy_device *phydev)
1965 {
1966         /* These are the settings to override the silicon default
1967          * values to handle hardware performance of PHY. They
1968          * are set at Power-On state and remain until PHY Reset.
1969          */
1970         static const struct reg_val pre_init1[] = {
1971                 {0x0f90, 0x00688980},
1972                 {0x0786, 0x00000003},
1973                 {0x07fa, 0x0050100f},
1974                 {0x0f82, 0x0012b002},
1975                 {0x1686, 0x00000004},
1976                 {0x168c, 0x00d2c46f},
1977                 {0x17a2, 0x00000620},
1978                 {0x16a0, 0x00eeffdd},
1979                 {0x16a6, 0x00071448},
1980                 {0x16a4, 0x0013132f},
1981                 {0x16a8, 0x00000000},
1982                 {0x0ffc, 0x00c0a028},
1983                 {0x0fe8, 0x0091b06c},
1984                 {0x0fea, 0x00041600},
1985                 {0x0f80, 0x00fffaff},
1986                 {0x0fec, 0x00901809},
1987                 {0x0ffe, 0x00b01007},
1988                 {0x16b0, 0x00eeff00},
1989                 {0x16b2, 0x00007000},
1990                 {0x16b4, 0x00000814},
1991         };
1992         struct device *dev = &phydev->mdio.dev;
1993         unsigned int i;
1994         u16 reg;
1995         int ret;
1996
1997         ret = vsc8584_pll5g_reset(phydev);
1998         if (ret < 0) {
1999                 dev_err(dev, "failed LCPLL reset, ret: %d\n", ret);
2000                 return ret;
2001         }
2002
2003         phy_base_write(phydev, MSCC_EXT_PAGE_ACCESS, MSCC_PHY_PAGE_STANDARD);
2004
2005         /* all writes below are broadcasted to all PHYs in the same package */
2006         reg = phy_base_read(phydev, MSCC_PHY_EXT_CNTL_STATUS);
2007         reg |= SMI_BROADCAST_WR_EN;
2008         phy_base_write(phydev, MSCC_PHY_EXT_CNTL_STATUS, reg);
2009
2010         phy_base_write(phydev, MSCC_EXT_PAGE_ACCESS, MSCC_PHY_PAGE_TEST);
2011
2012         reg = phy_base_read(phydev, MSCC_PHY_TEST_PAGE_8);
2013         reg |= BIT(15);
2014         phy_base_write(phydev, MSCC_PHY_TEST_PAGE_8, reg);
2015
2016         phy_base_write(phydev, MSCC_EXT_PAGE_ACCESS, MSCC_PHY_PAGE_TR);
2017
2018         for (i = 0; i < ARRAY_SIZE(pre_init1); i++)
2019                 vsc8584_csr_write(phydev, pre_init1[i].reg, pre_init1[i].val);
2020
2021         phy_base_write(phydev, MSCC_EXT_PAGE_ACCESS, MSCC_PHY_PAGE_TEST);
2022
2023         reg = phy_base_read(phydev, MSCC_PHY_TEST_PAGE_8);
2024         reg &= ~BIT(15);
2025         phy_base_write(phydev, MSCC_PHY_TEST_PAGE_8, reg);
2026
2027         phy_base_write(phydev, MSCC_EXT_PAGE_ACCESS, MSCC_PHY_PAGE_STANDARD);
2028
2029         reg = phy_base_read(phydev, MSCC_PHY_EXT_CNTL_STATUS);
2030         reg &= ~SMI_BROADCAST_WR_EN;
2031         phy_base_write(phydev, MSCC_PHY_EXT_CNTL_STATUS, reg);
2032
2033         /* Add pre-patching commands to:
2034          * 1. enable 8051 clock, operate 8051 clock at 125 MHz
2035          * instead of HW default 62.5MHz
2036          * 2. write patch vector 0, to skip IB cal polling executed
2037          * as part of the 0x80E0 ROM command
2038          */
2039         vsc8584_micro_deassert_reset(phydev, false);
2040
2041         vsc8584_micro_assert_reset(phydev);
2042         phy_base_write(phydev, MSCC_EXT_PAGE_ACCESS,
2043                        MSCC_PHY_PAGE_EXTENDED_GPIO);
2044         /* ROM address to trap, for patch vector 0 */
2045         reg = MSCC_ROM_TRAP_SERDES_6G_CFG;
2046         ret = phy_base_write(phydev, MSCC_TRAP_ROM_ADDR(1), reg);
2047         if (ret)
2048                 goto err;
2049         /* RAM address to jump to, when patch vector 0 enabled */
2050         reg = MSCC_RAM_TRAP_SERDES_6G_CFG;
2051         ret = phy_base_write(phydev, MSCC_PATCH_RAM_ADDR(1), reg);
2052         if (ret)
2053                 goto err;
2054         reg = phy_base_read(phydev, MSCC_INT_MEM_CNTL);
2055         reg |= PATCH_VEC_ZERO_EN; /* bit 8, enable patch vector 0 */
2056         ret = phy_base_write(phydev, MSCC_INT_MEM_CNTL, reg);
2057         if (ret)
2058                 goto err;
2059
2060         /* Enable 8051 clock, don't set patch present
2061          * yet, disable PRAM clock override
2062          */
2063         vsc8584_micro_deassert_reset(phydev, false);
2064         return ret;
2065  err:
2066         /* restore 8051 and bail w error */
2067         vsc8584_micro_deassert_reset(phydev, false);
2068         return ret;
2069 }
2070
2071 static int vsc8514_config_init(struct phy_device *phydev)
2072 {
2073         struct vsc8531_private *vsc8531 = phydev->priv;
2074         int ret, i;
2075
2076         phydev->mdix_ctrl = ETH_TP_MDI_AUTO;
2077
2078         phy_lock_mdio_bus(phydev);
2079
2080         /* Some parts of the init sequence are identical for every PHY in the
2081          * package. Some parts are modifying the GPIO register bank which is a
2082          * set of registers that are affecting all PHYs, a few resetting the
2083          * microprocessor common to all PHYs.
2084          * All PHYs' interrupts mask register has to be zeroed before enabling
2085          * any PHY's interrupt in this register.
2086          * For all these reasons, we need to do the init sequence once and only
2087          * once whatever is the first PHY in the package that is initialized and
2088          * do the correct init sequence for all PHYs that are package-critical
2089          * in this pre-init function.
2090          */
2091         if (phy_package_init_once(phydev)) {
2092                 ret = vsc8514_config_pre_init(phydev);
2093                 if (ret)
2094                         goto err;
2095                 ret = vsc8514_config_host_serdes(phydev);
2096                 if (ret)
2097                         goto err;
2098                 vsc85xx_coma_mode_release(phydev);
2099         }
2100
2101         phy_unlock_mdio_bus(phydev);
2102
2103         ret = phy_modify(phydev, MSCC_PHY_EXT_PHY_CNTL_1, MEDIA_OP_MODE_MASK,
2104                          MEDIA_OP_MODE_COPPER << MEDIA_OP_MODE_POS);
2105
2106         if (ret)
2107                 return ret;
2108
2109         ret = genphy_soft_reset(phydev);
2110
2111         if (ret)
2112                 return ret;
2113
2114         for (i = 0; i < vsc8531->nleds; i++) {
2115                 ret = vsc85xx_led_cntl_set(phydev, i, vsc8531->leds_mode[i]);
2116                 if (ret)
2117                         return ret;
2118         }
2119
2120         return ret;
2121
2122 err:
2123         phy_unlock_mdio_bus(phydev);
2124         return ret;
2125 }
2126
2127 static int vsc85xx_ack_interrupt(struct phy_device *phydev)
2128 {
2129         int rc = 0;
2130
2131         if (phydev->interrupts == PHY_INTERRUPT_ENABLED)
2132                 rc = phy_read(phydev, MII_VSC85XX_INT_STATUS);
2133
2134         return (rc < 0) ? rc : 0;
2135 }
2136
2137 static int vsc85xx_config_intr(struct phy_device *phydev)
2138 {
2139         int rc;
2140
2141         if (phydev->interrupts == PHY_INTERRUPT_ENABLED) {
2142                 rc = vsc85xx_ack_interrupt(phydev);
2143                 if (rc)
2144                         return rc;
2145
2146                 vsc8584_config_macsec_intr(phydev);
2147                 vsc8584_config_ts_intr(phydev);
2148
2149                 rc = phy_write(phydev, MII_VSC85XX_INT_MASK,
2150                                MII_VSC85XX_INT_MASK_MASK);
2151         } else {
2152                 rc = phy_write(phydev, MII_VSC85XX_INT_MASK, 0);
2153                 if (rc < 0)
2154                         return rc;
2155                 rc = phy_read(phydev, MII_VSC85XX_INT_STATUS);
2156                 if (rc < 0)
2157                         return rc;
2158
2159                 rc = vsc85xx_ack_interrupt(phydev);
2160         }
2161
2162         return rc;
2163 }
2164
2165 static irqreturn_t vsc85xx_handle_interrupt(struct phy_device *phydev)
2166 {
2167         int irq_status;
2168
2169         irq_status = phy_read(phydev, MII_VSC85XX_INT_STATUS);
2170         if (irq_status < 0) {
2171                 phy_error(phydev);
2172                 return IRQ_NONE;
2173         }
2174
2175         if (!(irq_status & MII_VSC85XX_INT_MASK_MASK))
2176                 return IRQ_NONE;
2177
2178         phy_trigger_machine(phydev);
2179
2180         return IRQ_HANDLED;
2181 }
2182
2183 static int vsc85xx_config_aneg(struct phy_device *phydev)
2184 {
2185         int rc;
2186
2187         rc = vsc85xx_mdix_set(phydev, phydev->mdix_ctrl);
2188         if (rc < 0)
2189                 return rc;
2190
2191         return genphy_config_aneg(phydev);
2192 }
2193
2194 static int vsc85xx_read_status(struct phy_device *phydev)
2195 {
2196         int rc;
2197
2198         rc = vsc85xx_mdix_get(phydev, &phydev->mdix);
2199         if (rc < 0)
2200                 return rc;
2201
2202         return genphy_read_status(phydev);
2203 }
2204
2205 static int vsc8514_probe(struct phy_device *phydev)
2206 {
2207         struct vsc8531_private *vsc8531;
2208         u32 default_mode[4] = {VSC8531_LINK_1000_ACTIVITY,
2209            VSC8531_LINK_100_ACTIVITY, VSC8531_LINK_ACTIVITY,
2210            VSC8531_DUPLEX_COLLISION};
2211
2212         vsc8531 = devm_kzalloc(&phydev->mdio.dev, sizeof(*vsc8531), GFP_KERNEL);
2213         if (!vsc8531)
2214                 return -ENOMEM;
2215
2216         phydev->priv = vsc8531;
2217
2218         vsc8584_get_base_addr(phydev);
2219         devm_phy_package_join(&phydev->mdio.dev, phydev,
2220                               vsc8531->base_addr, 0);
2221
2222         vsc8531->nleds = 4;
2223         vsc8531->supp_led_modes = VSC85XX_SUPP_LED_MODES;
2224         vsc8531->hw_stats = vsc85xx_hw_stats;
2225         vsc8531->nstats = ARRAY_SIZE(vsc85xx_hw_stats);
2226         vsc8531->stats = devm_kcalloc(&phydev->mdio.dev, vsc8531->nstats,
2227                                       sizeof(u64), GFP_KERNEL);
2228         if (!vsc8531->stats)
2229                 return -ENOMEM;
2230
2231         return vsc85xx_dt_led_modes_get(phydev, default_mode);
2232 }
2233
2234 static int vsc8574_probe(struct phy_device *phydev)
2235 {
2236         struct vsc8531_private *vsc8531;
2237         u32 default_mode[4] = {VSC8531_LINK_1000_ACTIVITY,
2238            VSC8531_LINK_100_ACTIVITY, VSC8531_LINK_ACTIVITY,
2239            VSC8531_DUPLEX_COLLISION};
2240
2241         vsc8531 = devm_kzalloc(&phydev->mdio.dev, sizeof(*vsc8531), GFP_KERNEL);
2242         if (!vsc8531)
2243                 return -ENOMEM;
2244
2245         phydev->priv = vsc8531;
2246
2247         vsc8584_get_base_addr(phydev);
2248         devm_phy_package_join(&phydev->mdio.dev, phydev,
2249                               vsc8531->base_addr, 0);
2250
2251         vsc8531->nleds = 4;
2252         vsc8531->supp_led_modes = VSC8584_SUPP_LED_MODES;
2253         vsc8531->hw_stats = vsc8584_hw_stats;
2254         vsc8531->nstats = ARRAY_SIZE(vsc8584_hw_stats);
2255         vsc8531->stats = devm_kcalloc(&phydev->mdio.dev, vsc8531->nstats,
2256                                       sizeof(u64), GFP_KERNEL);
2257         if (!vsc8531->stats)
2258                 return -ENOMEM;
2259
2260         return vsc85xx_dt_led_modes_get(phydev, default_mode);
2261 }
2262
2263 static int vsc8584_probe(struct phy_device *phydev)
2264 {
2265         struct vsc8531_private *vsc8531;
2266         u32 default_mode[4] = {VSC8531_LINK_1000_ACTIVITY,
2267            VSC8531_LINK_100_ACTIVITY, VSC8531_LINK_ACTIVITY,
2268            VSC8531_DUPLEX_COLLISION};
2269         int ret;
2270
2271         if ((phydev->phy_id & MSCC_DEV_REV_MASK) != VSC8584_REVB) {
2272                 dev_err(&phydev->mdio.dev, "Only VSC8584 revB is supported.\n");
2273                 return -ENOTSUPP;
2274         }
2275
2276         vsc8531 = devm_kzalloc(&phydev->mdio.dev, sizeof(*vsc8531), GFP_KERNEL);
2277         if (!vsc8531)
2278                 return -ENOMEM;
2279
2280         phydev->priv = vsc8531;
2281
2282         vsc8584_get_base_addr(phydev);
2283         devm_phy_package_join(&phydev->mdio.dev, phydev, vsc8531->base_addr,
2284                               sizeof(struct vsc85xx_shared_private));
2285
2286         vsc8531->nleds = 4;
2287         vsc8531->supp_led_modes = VSC8584_SUPP_LED_MODES;
2288         vsc8531->hw_stats = vsc8584_hw_stats;
2289         vsc8531->nstats = ARRAY_SIZE(vsc8584_hw_stats);
2290         vsc8531->stats = devm_kcalloc(&phydev->mdio.dev, vsc8531->nstats,
2291                                       sizeof(u64), GFP_KERNEL);
2292         if (!vsc8531->stats)
2293                 return -ENOMEM;
2294
2295         if (phy_package_probe_once(phydev)) {
2296                 ret = vsc8584_ptp_probe_once(phydev);
2297                 if (ret)
2298                         return ret;
2299         }
2300
2301         ret = vsc8584_ptp_probe(phydev);
2302         if (ret)
2303                 return ret;
2304
2305         return vsc85xx_dt_led_modes_get(phydev, default_mode);
2306 }
2307
2308 static int vsc85xx_probe(struct phy_device *phydev)
2309 {
2310         struct vsc8531_private *vsc8531;
2311         int rate_magic;
2312         u32 default_mode[2] = {VSC8531_LINK_1000_ACTIVITY,
2313            VSC8531_LINK_100_ACTIVITY};
2314
2315         rate_magic = vsc85xx_edge_rate_magic_get(phydev);
2316         if (rate_magic < 0)
2317                 return rate_magic;
2318
2319         vsc8531 = devm_kzalloc(&phydev->mdio.dev, sizeof(*vsc8531), GFP_KERNEL);
2320         if (!vsc8531)
2321                 return -ENOMEM;
2322
2323         phydev->priv = vsc8531;
2324
2325         vsc8531->rate_magic = rate_magic;
2326         vsc8531->nleds = 2;
2327         vsc8531->supp_led_modes = VSC85XX_SUPP_LED_MODES;
2328         vsc8531->hw_stats = vsc85xx_hw_stats;
2329         vsc8531->nstats = ARRAY_SIZE(vsc85xx_hw_stats);
2330         vsc8531->stats = devm_kcalloc(&phydev->mdio.dev, vsc8531->nstats,
2331                                       sizeof(u64), GFP_KERNEL);
2332         if (!vsc8531->stats)
2333                 return -ENOMEM;
2334
2335         return vsc85xx_dt_led_modes_get(phydev, default_mode);
2336 }
2337
2338 /* Microsemi VSC85xx PHYs */
2339 static struct phy_driver vsc85xx_driver[] = {
2340 {
2341         .phy_id         = PHY_ID_VSC8501,
2342         .name           = "Microsemi GE VSC8501 SyncE",
2343         .phy_id_mask    = 0xfffffff0,
2344         /* PHY_BASIC_FEATURES */
2345         .soft_reset     = &genphy_soft_reset,
2346         .config_init    = &vsc85xx_config_init,
2347         .config_aneg    = &vsc85xx_config_aneg,
2348         .read_status    = &vsc85xx_read_status,
2349         .handle_interrupt = vsc85xx_handle_interrupt,
2350         .config_intr    = &vsc85xx_config_intr,
2351         .suspend        = &genphy_suspend,
2352         .resume         = &genphy_resume,
2353         .probe          = &vsc85xx_probe,
2354         .set_wol        = &vsc85xx_wol_set,
2355         .get_wol        = &vsc85xx_wol_get,
2356         .get_tunable    = &vsc85xx_get_tunable,
2357         .set_tunable    = &vsc85xx_set_tunable,
2358         .read_page      = &vsc85xx_phy_read_page,
2359         .write_page     = &vsc85xx_phy_write_page,
2360         .get_sset_count = &vsc85xx_get_sset_count,
2361         .get_strings    = &vsc85xx_get_strings,
2362         .get_stats      = &vsc85xx_get_stats,
2363 },
2364 {
2365         .phy_id         = PHY_ID_VSC8502,
2366         .name           = "Microsemi GE VSC8502 SyncE",
2367         .phy_id_mask    = 0xfffffff0,
2368         /* PHY_BASIC_FEATURES */
2369         .soft_reset     = &genphy_soft_reset,
2370         .config_init    = &vsc85xx_config_init,
2371         .config_aneg    = &vsc85xx_config_aneg,
2372         .read_status    = &vsc85xx_read_status,
2373         .handle_interrupt = vsc85xx_handle_interrupt,
2374         .config_intr    = &vsc85xx_config_intr,
2375         .suspend        = &genphy_suspend,
2376         .resume         = &genphy_resume,
2377         .probe          = &vsc85xx_probe,
2378         .set_wol        = &vsc85xx_wol_set,
2379         .get_wol        = &vsc85xx_wol_get,
2380         .get_tunable    = &vsc85xx_get_tunable,
2381         .set_tunable    = &vsc85xx_set_tunable,
2382         .read_page      = &vsc85xx_phy_read_page,
2383         .write_page     = &vsc85xx_phy_write_page,
2384         .get_sset_count = &vsc85xx_get_sset_count,
2385         .get_strings    = &vsc85xx_get_strings,
2386         .get_stats      = &vsc85xx_get_stats,
2387 },
2388 {
2389         .phy_id         = PHY_ID_VSC8504,
2390         .name           = "Microsemi GE VSC8504 SyncE",
2391         .phy_id_mask    = 0xfffffff0,
2392         /* PHY_GBIT_FEATURES */
2393         .soft_reset     = &genphy_soft_reset,
2394         .config_init    = &vsc8584_config_init,
2395         .config_aneg    = &vsc85xx_config_aneg,
2396         .aneg_done      = &genphy_aneg_done,
2397         .read_status    = &vsc85xx_read_status,
2398         .handle_interrupt = vsc85xx_handle_interrupt,
2399         .config_intr    = &vsc85xx_config_intr,
2400         .suspend        = &genphy_suspend,
2401         .resume         = &genphy_resume,
2402         .probe          = &vsc8574_probe,
2403         .set_wol        = &vsc85xx_wol_set,
2404         .get_wol        = &vsc85xx_wol_get,
2405         .get_tunable    = &vsc85xx_get_tunable,
2406         .set_tunable    = &vsc85xx_set_tunable,
2407         .read_page      = &vsc85xx_phy_read_page,
2408         .write_page     = &vsc85xx_phy_write_page,
2409         .get_sset_count = &vsc85xx_get_sset_count,
2410         .get_strings    = &vsc85xx_get_strings,
2411         .get_stats      = &vsc85xx_get_stats,
2412 },
2413 {
2414         .phy_id         = PHY_ID_VSC8514,
2415         .name           = "Microsemi GE VSC8514 SyncE",
2416         .phy_id_mask    = 0xfffffff0,
2417         .soft_reset     = &genphy_soft_reset,
2418         .config_init    = &vsc8514_config_init,
2419         .config_aneg    = &vsc85xx_config_aneg,
2420         .read_status    = &vsc85xx_read_status,
2421         .handle_interrupt = vsc85xx_handle_interrupt,
2422         .config_intr    = &vsc85xx_config_intr,
2423         .suspend        = &genphy_suspend,
2424         .resume         = &genphy_resume,
2425         .probe          = &vsc8514_probe,
2426         .set_wol        = &vsc85xx_wol_set,
2427         .get_wol        = &vsc85xx_wol_get,
2428         .get_tunable    = &vsc85xx_get_tunable,
2429         .set_tunable    = &vsc85xx_set_tunable,
2430         .read_page      = &vsc85xx_phy_read_page,
2431         .write_page     = &vsc85xx_phy_write_page,
2432         .get_sset_count = &vsc85xx_get_sset_count,
2433         .get_strings    = &vsc85xx_get_strings,
2434         .get_stats      = &vsc85xx_get_stats,
2435 },
2436 {
2437         .phy_id         = PHY_ID_VSC8530,
2438         .name           = "Microsemi FE VSC8530",
2439         .phy_id_mask    = 0xfffffff0,
2440         /* PHY_BASIC_FEATURES */
2441         .soft_reset     = &genphy_soft_reset,
2442         .config_init    = &vsc85xx_config_init,
2443         .config_aneg    = &vsc85xx_config_aneg,
2444         .read_status    = &vsc85xx_read_status,
2445         .handle_interrupt = vsc85xx_handle_interrupt,
2446         .config_intr    = &vsc85xx_config_intr,
2447         .suspend        = &genphy_suspend,
2448         .resume         = &genphy_resume,
2449         .probe          = &vsc85xx_probe,
2450         .set_wol        = &vsc85xx_wol_set,
2451         .get_wol        = &vsc85xx_wol_get,
2452         .get_tunable    = &vsc85xx_get_tunable,
2453         .set_tunable    = &vsc85xx_set_tunable,
2454         .read_page      = &vsc85xx_phy_read_page,
2455         .write_page     = &vsc85xx_phy_write_page,
2456         .get_sset_count = &vsc85xx_get_sset_count,
2457         .get_strings    = &vsc85xx_get_strings,
2458         .get_stats      = &vsc85xx_get_stats,
2459 },
2460 {
2461         .phy_id         = PHY_ID_VSC8531,
2462         .name           = "Microsemi VSC8531",
2463         .phy_id_mask    = 0xfffffff0,
2464         /* PHY_GBIT_FEATURES */
2465         .soft_reset     = &genphy_soft_reset,
2466         .config_init    = &vsc85xx_config_init,
2467         .config_aneg    = &vsc85xx_config_aneg,
2468         .read_status    = &vsc85xx_read_status,
2469         .handle_interrupt = vsc85xx_handle_interrupt,
2470         .config_intr    = &vsc85xx_config_intr,
2471         .suspend        = &genphy_suspend,
2472         .resume         = &genphy_resume,
2473         .probe          = &vsc85xx_probe,
2474         .set_wol        = &vsc85xx_wol_set,
2475         .get_wol        = &vsc85xx_wol_get,
2476         .get_tunable    = &vsc85xx_get_tunable,
2477         .set_tunable    = &vsc85xx_set_tunable,
2478         .read_page      = &vsc85xx_phy_read_page,
2479         .write_page     = &vsc85xx_phy_write_page,
2480         .get_sset_count = &vsc85xx_get_sset_count,
2481         .get_strings    = &vsc85xx_get_strings,
2482         .get_stats      = &vsc85xx_get_stats,
2483 },
2484 {
2485         .phy_id         = PHY_ID_VSC8540,
2486         .name           = "Microsemi FE VSC8540 SyncE",
2487         .phy_id_mask    = 0xfffffff0,
2488         /* PHY_BASIC_FEATURES */
2489         .soft_reset     = &genphy_soft_reset,
2490         .config_init    = &vsc85xx_config_init,
2491         .config_aneg    = &vsc85xx_config_aneg,
2492         .read_status    = &vsc85xx_read_status,
2493         .handle_interrupt = vsc85xx_handle_interrupt,
2494         .config_intr    = &vsc85xx_config_intr,
2495         .suspend        = &genphy_suspend,
2496         .resume         = &genphy_resume,
2497         .probe          = &vsc85xx_probe,
2498         .set_wol        = &vsc85xx_wol_set,
2499         .get_wol        = &vsc85xx_wol_get,
2500         .get_tunable    = &vsc85xx_get_tunable,
2501         .set_tunable    = &vsc85xx_set_tunable,
2502         .read_page      = &vsc85xx_phy_read_page,
2503         .write_page     = &vsc85xx_phy_write_page,
2504         .get_sset_count = &vsc85xx_get_sset_count,
2505         .get_strings    = &vsc85xx_get_strings,
2506         .get_stats      = &vsc85xx_get_stats,
2507 },
2508 {
2509         .phy_id         = PHY_ID_VSC8541,
2510         .name           = "Microsemi VSC8541 SyncE",
2511         .phy_id_mask    = 0xfffffff0,
2512         /* PHY_GBIT_FEATURES */
2513         .soft_reset     = &genphy_soft_reset,
2514         .config_init    = &vsc85xx_config_init,
2515         .config_aneg    = &vsc85xx_config_aneg,
2516         .read_status    = &vsc85xx_read_status,
2517         .handle_interrupt = vsc85xx_handle_interrupt,
2518         .config_intr    = &vsc85xx_config_intr,
2519         .suspend        = &genphy_suspend,
2520         .resume         = &genphy_resume,
2521         .probe          = &vsc85xx_probe,
2522         .set_wol        = &vsc85xx_wol_set,
2523         .get_wol        = &vsc85xx_wol_get,
2524         .get_tunable    = &vsc85xx_get_tunable,
2525         .set_tunable    = &vsc85xx_set_tunable,
2526         .read_page      = &vsc85xx_phy_read_page,
2527         .write_page     = &vsc85xx_phy_write_page,
2528         .get_sset_count = &vsc85xx_get_sset_count,
2529         .get_strings    = &vsc85xx_get_strings,
2530         .get_stats      = &vsc85xx_get_stats,
2531 },
2532 {
2533         .phy_id         = PHY_ID_VSC8552,
2534         .name           = "Microsemi GE VSC8552 SyncE",
2535         .phy_id_mask    = 0xfffffff0,
2536         /* PHY_GBIT_FEATURES */
2537         .soft_reset     = &genphy_soft_reset,
2538         .config_init    = &vsc8584_config_init,
2539         .config_aneg    = &vsc85xx_config_aneg,
2540         .read_status    = &vsc85xx_read_status,
2541         .handle_interrupt = vsc85xx_handle_interrupt,
2542         .config_intr    = &vsc85xx_config_intr,
2543         .suspend        = &genphy_suspend,
2544         .resume         = &genphy_resume,
2545         .probe          = &vsc8574_probe,
2546         .set_wol        = &vsc85xx_wol_set,
2547         .get_wol        = &vsc85xx_wol_get,
2548         .get_tunable    = &vsc85xx_get_tunable,
2549         .set_tunable    = &vsc85xx_set_tunable,
2550         .read_page      = &vsc85xx_phy_read_page,
2551         .write_page     = &vsc85xx_phy_write_page,
2552         .get_sset_count = &vsc85xx_get_sset_count,
2553         .get_strings    = &vsc85xx_get_strings,
2554         .get_stats      = &vsc85xx_get_stats,
2555 },
2556 {
2557         .phy_id         = PHY_ID_VSC856X,
2558         .name           = "Microsemi GE VSC856X SyncE",
2559         .phy_id_mask    = 0xfffffff0,
2560         /* PHY_GBIT_FEATURES */
2561         .soft_reset     = &genphy_soft_reset,
2562         .config_init    = &vsc8584_config_init,
2563         .config_aneg    = &vsc85xx_config_aneg,
2564         .read_status    = &vsc85xx_read_status,
2565         .handle_interrupt = vsc85xx_handle_interrupt,
2566         .config_intr    = &vsc85xx_config_intr,
2567         .suspend        = &genphy_suspend,
2568         .resume         = &genphy_resume,
2569         .probe          = &vsc8584_probe,
2570         .get_tunable    = &vsc85xx_get_tunable,
2571         .set_tunable    = &vsc85xx_set_tunable,
2572         .read_page      = &vsc85xx_phy_read_page,
2573         .write_page     = &vsc85xx_phy_write_page,
2574         .get_sset_count = &vsc85xx_get_sset_count,
2575         .get_strings    = &vsc85xx_get_strings,
2576         .get_stats      = &vsc85xx_get_stats,
2577 },
2578 {
2579         .phy_id         = PHY_ID_VSC8572,
2580         .name           = "Microsemi GE VSC8572 SyncE",
2581         .phy_id_mask    = 0xfffffff0,
2582         /* PHY_GBIT_FEATURES */
2583         .soft_reset     = &genphy_soft_reset,
2584         .config_init    = &vsc8584_config_init,
2585         .config_aneg    = &vsc85xx_config_aneg,
2586         .aneg_done      = &genphy_aneg_done,
2587         .read_status    = &vsc85xx_read_status,
2588         .handle_interrupt = &vsc8584_handle_interrupt,
2589         .config_intr    = &vsc85xx_config_intr,
2590         .suspend        = &genphy_suspend,
2591         .resume         = &genphy_resume,
2592         .probe          = &vsc8574_probe,
2593         .set_wol        = &vsc85xx_wol_set,
2594         .get_wol        = &vsc85xx_wol_get,
2595         .get_tunable    = &vsc85xx_get_tunable,
2596         .set_tunable    = &vsc85xx_set_tunable,
2597         .read_page      = &vsc85xx_phy_read_page,
2598         .write_page     = &vsc85xx_phy_write_page,
2599         .get_sset_count = &vsc85xx_get_sset_count,
2600         .get_strings    = &vsc85xx_get_strings,
2601         .get_stats      = &vsc85xx_get_stats,
2602 },
2603 {
2604         .phy_id         = PHY_ID_VSC8574,
2605         .name           = "Microsemi GE VSC8574 SyncE",
2606         .phy_id_mask    = 0xfffffff0,
2607         /* PHY_GBIT_FEATURES */
2608         .soft_reset     = &genphy_soft_reset,
2609         .config_init    = &vsc8584_config_init,
2610         .config_aneg    = &vsc85xx_config_aneg,
2611         .aneg_done      = &genphy_aneg_done,
2612         .read_status    = &vsc85xx_read_status,
2613         .handle_interrupt = vsc85xx_handle_interrupt,
2614         .config_intr    = &vsc85xx_config_intr,
2615         .suspend        = &genphy_suspend,
2616         .resume         = &genphy_resume,
2617         .probe          = &vsc8574_probe,
2618         .set_wol        = &vsc85xx_wol_set,
2619         .get_wol        = &vsc85xx_wol_get,
2620         .get_tunable    = &vsc85xx_get_tunable,
2621         .set_tunable    = &vsc85xx_set_tunable,
2622         .read_page      = &vsc85xx_phy_read_page,
2623         .write_page     = &vsc85xx_phy_write_page,
2624         .get_sset_count = &vsc85xx_get_sset_count,
2625         .get_strings    = &vsc85xx_get_strings,
2626         .get_stats      = &vsc85xx_get_stats,
2627 },
2628 {
2629         .phy_id         = PHY_ID_VSC8575,
2630         .name           = "Microsemi GE VSC8575 SyncE",
2631         .phy_id_mask    = 0xfffffff0,
2632         /* PHY_GBIT_FEATURES */
2633         .soft_reset     = &genphy_soft_reset,
2634         .config_init    = &vsc8584_config_init,
2635         .config_aneg    = &vsc85xx_config_aneg,
2636         .aneg_done      = &genphy_aneg_done,
2637         .read_status    = &vsc85xx_read_status,
2638         .handle_interrupt = &vsc8584_handle_interrupt,
2639         .config_intr    = &vsc85xx_config_intr,
2640         .suspend        = &genphy_suspend,
2641         .resume         = &genphy_resume,
2642         .probe          = &vsc8584_probe,
2643         .get_tunable    = &vsc85xx_get_tunable,
2644         .set_tunable    = &vsc85xx_set_tunable,
2645         .read_page      = &vsc85xx_phy_read_page,
2646         .write_page     = &vsc85xx_phy_write_page,
2647         .get_sset_count = &vsc85xx_get_sset_count,
2648         .get_strings    = &vsc85xx_get_strings,
2649         .get_stats      = &vsc85xx_get_stats,
2650 },
2651 {
2652         .phy_id         = PHY_ID_VSC8582,
2653         .name           = "Microsemi GE VSC8582 SyncE",
2654         .phy_id_mask    = 0xfffffff0,
2655         /* PHY_GBIT_FEATURES */
2656         .soft_reset     = &genphy_soft_reset,
2657         .config_init    = &vsc8584_config_init,
2658         .config_aneg    = &vsc85xx_config_aneg,
2659         .aneg_done      = &genphy_aneg_done,
2660         .read_status    = &vsc85xx_read_status,
2661         .handle_interrupt = &vsc8584_handle_interrupt,
2662         .config_intr    = &vsc85xx_config_intr,
2663         .suspend        = &genphy_suspend,
2664         .resume         = &genphy_resume,
2665         .probe          = &vsc8584_probe,
2666         .get_tunable    = &vsc85xx_get_tunable,
2667         .set_tunable    = &vsc85xx_set_tunable,
2668         .read_page      = &vsc85xx_phy_read_page,
2669         .write_page     = &vsc85xx_phy_write_page,
2670         .get_sset_count = &vsc85xx_get_sset_count,
2671         .get_strings    = &vsc85xx_get_strings,
2672         .get_stats      = &vsc85xx_get_stats,
2673 },
2674 {
2675         .phy_id         = PHY_ID_VSC8584,
2676         .name           = "Microsemi GE VSC8584 SyncE",
2677         .phy_id_mask    = 0xfffffff0,
2678         /* PHY_GBIT_FEATURES */
2679         .soft_reset     = &genphy_soft_reset,
2680         .config_init    = &vsc8584_config_init,
2681         .config_aneg    = &vsc85xx_config_aneg,
2682         .aneg_done      = &genphy_aneg_done,
2683         .read_status    = &vsc85xx_read_status,
2684         .handle_interrupt = &vsc8584_handle_interrupt,
2685         .config_intr    = &vsc85xx_config_intr,
2686         .suspend        = &genphy_suspend,
2687         .resume         = &genphy_resume,
2688         .probe          = &vsc8584_probe,
2689         .get_tunable    = &vsc85xx_get_tunable,
2690         .set_tunable    = &vsc85xx_set_tunable,
2691         .read_page      = &vsc85xx_phy_read_page,
2692         .write_page     = &vsc85xx_phy_write_page,
2693         .get_sset_count = &vsc85xx_get_sset_count,
2694         .get_strings    = &vsc85xx_get_strings,
2695         .get_stats      = &vsc85xx_get_stats,
2696         .link_change_notify = &vsc85xx_link_change_notify,
2697 }
2698
2699 };
2700
2701 module_phy_driver(vsc85xx_driver);
2702
2703 static struct mdio_device_id __maybe_unused vsc85xx_tbl[] = {
2704         { PHY_ID_MATCH_VENDOR(PHY_VENDOR_MSCC) },
2705         { }
2706 };
2707
2708 MODULE_DEVICE_TABLE(mdio, vsc85xx_tbl);
2709
2710 MODULE_DESCRIPTION("Microsemi VSC85xx PHY driver");
2711 MODULE_AUTHOR("Nagaraju Lakkaraju");
2712 MODULE_LICENSE("Dual MIT/GPL");
2713
2714 MODULE_FIRMWARE(MSCC_VSC8584_REVB_INT8051_FW);
2715 MODULE_FIRMWARE(MSCC_VSC8574_REVB_INT8051_FW);