linux/drivers/net/phy/mscc/mscc_main.c
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   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
  23static 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
  52static 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)
 102static 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
 110static int vsc85xx_phy_read_page(struct phy_device *phydev)
 111{
 112        return __phy_read(phydev, MSCC_EXT_PAGE_ACCESS);
 113}
 114
 115static int vsc85xx_phy_write_page(struct phy_device *phydev, int page)
 116{
 117        return __phy_write(phydev, MSCC_EXT_PAGE_ACCESS, page);
 118}
 119
 120static int vsc85xx_get_sset_count(struct phy_device *phydev)
 121{
 122        struct vsc8531_private *priv = phydev->priv;
 123
 124        if (!priv)
 125                return 0;
 126
 127        return priv->nstats;
 128}
 129
 130static void vsc85xx_get_strings(struct phy_device *phydev, u8 *data)
 131{
 132        struct vsc8531_private *priv = phydev->priv;
 133        int i;
 134
 135        if (!priv)
 136                return;
 137
 138        for (i = 0; i < priv->nstats; i++)
 139                strlcpy(data + i * ETH_GSTRING_LEN, priv->hw_stats[i].string,
 140                        ETH_GSTRING_LEN);
 141}
 142
 143static u64 vsc85xx_get_stat(struct phy_device *phydev, int i)
 144{
 145        struct vsc8531_private *priv = phydev->priv;
 146        int val;
 147
 148        val = phy_read_paged(phydev, priv->hw_stats[i].page,
 149                             priv->hw_stats[i].reg);
 150        if (val < 0)
 151                return U64_MAX;
 152
 153        val = val & priv->hw_stats[i].mask;
 154        priv->stats[i] += val;
 155
 156        return priv->stats[i];
 157}
 158
 159static void vsc85xx_get_stats(struct phy_device *phydev,
 160                              struct ethtool_stats *stats, u64 *data)
 161{
 162        struct vsc8531_private *priv = phydev->priv;
 163        int i;
 164
 165        if (!priv)
 166                return;
 167
 168        for (i = 0; i < priv->nstats; i++)
 169                data[i] = vsc85xx_get_stat(phydev, i);
 170}
 171
 172static int vsc85xx_led_cntl_set(struct phy_device *phydev,
 173                                u8 led_num,
 174                                u8 mode)
 175{
 176        int rc;
 177        u16 reg_val;
 178
 179        mutex_lock(&phydev->lock);
 180        reg_val = phy_read(phydev, MSCC_PHY_LED_MODE_SEL);
 181        reg_val &= ~LED_MODE_SEL_MASK(led_num);
 182        reg_val |= LED_MODE_SEL(led_num, (u16)mode);
 183        rc = phy_write(phydev, MSCC_PHY_LED_MODE_SEL, reg_val);
 184        mutex_unlock(&phydev->lock);
 185
 186        return rc;
 187}
 188
 189static int vsc85xx_mdix_get(struct phy_device *phydev, u8 *mdix)
 190{
 191        u16 reg_val;
 192
 193        reg_val = phy_read(phydev, MSCC_PHY_DEV_AUX_CNTL);
 194        if (reg_val & HP_AUTO_MDIX_X_OVER_IND_MASK)
 195                *mdix = ETH_TP_MDI_X;
 196        else
 197                *mdix = ETH_TP_MDI;
 198
 199        return 0;
 200}
 201
 202static int vsc85xx_mdix_set(struct phy_device *phydev, u8 mdix)
 203{
 204        int rc;
 205        u16 reg_val;
 206
 207        reg_val = phy_read(phydev, MSCC_PHY_BYPASS_CONTROL);
 208        if (mdix == ETH_TP_MDI || mdix == ETH_TP_MDI_X) {
 209                reg_val |= (DISABLE_PAIR_SWAP_CORR_MASK |
 210                            DISABLE_POLARITY_CORR_MASK  |
 211                            DISABLE_HP_AUTO_MDIX_MASK);
 212        } else {
 213                reg_val &= ~(DISABLE_PAIR_SWAP_CORR_MASK |
 214                             DISABLE_POLARITY_CORR_MASK  |
 215                             DISABLE_HP_AUTO_MDIX_MASK);
 216        }
 217        rc = phy_write(phydev, MSCC_PHY_BYPASS_CONTROL, reg_val);
 218        if (rc)
 219                return rc;
 220
 221        reg_val = 0;
 222
 223        if (mdix == ETH_TP_MDI)
 224                reg_val = FORCE_MDI_CROSSOVER_MDI;
 225        else if (mdix == ETH_TP_MDI_X)
 226                reg_val = FORCE_MDI_CROSSOVER_MDIX;
 227
 228        rc = phy_modify_paged(phydev, MSCC_PHY_PAGE_EXTENDED,
 229                              MSCC_PHY_EXT_MODE_CNTL, FORCE_MDI_CROSSOVER_MASK,
 230                              reg_val);
 231        if (rc < 0)
 232                return rc;
 233
 234        return genphy_restart_aneg(phydev);
 235}
 236
 237static int vsc85xx_downshift_get(struct phy_device *phydev, u8 *count)
 238{
 239        int reg_val;
 240
 241        reg_val = phy_read_paged(phydev, MSCC_PHY_PAGE_EXTENDED,
 242                                 MSCC_PHY_ACTIPHY_CNTL);
 243        if (reg_val < 0)
 244                return reg_val;
 245
 246        reg_val &= DOWNSHIFT_CNTL_MASK;
 247        if (!(reg_val & DOWNSHIFT_EN))
 248                *count = DOWNSHIFT_DEV_DISABLE;
 249        else
 250                *count = ((reg_val & ~DOWNSHIFT_EN) >> DOWNSHIFT_CNTL_POS) + 2;
 251
 252        return 0;
 253}
 254
 255static int vsc85xx_downshift_set(struct phy_device *phydev, u8 count)
 256{
 257        if (count == DOWNSHIFT_DEV_DEFAULT_COUNT) {
 258                /* Default downshift count 3 (i.e. Bit3:2 = 0b01) */
 259                count = ((1 << DOWNSHIFT_CNTL_POS) | DOWNSHIFT_EN);
 260        } else if (count > DOWNSHIFT_COUNT_MAX || count == 1) {
 261                phydev_err(phydev, "Downshift count should be 2,3,4 or 5\n");
 262                return -ERANGE;
 263        } else if (count) {
 264                /* Downshift count is either 2,3,4 or 5 */
 265                count = (((count - 2) << DOWNSHIFT_CNTL_POS) | DOWNSHIFT_EN);
 266        }
 267
 268        return phy_modify_paged(phydev, MSCC_PHY_PAGE_EXTENDED,
 269                                MSCC_PHY_ACTIPHY_CNTL, DOWNSHIFT_CNTL_MASK,
 270                                count);
 271}
 272
 273static int vsc85xx_wol_set(struct phy_device *phydev,
 274                           struct ethtool_wolinfo *wol)
 275{
 276        int rc;
 277        u16 reg_val;
 278        u8  i;
 279        u16 pwd[3] = {0, 0, 0};
 280        struct ethtool_wolinfo *wol_conf = wol;
 281        u8 *mac_addr = phydev->attached_dev->dev_addr;
 282
 283        mutex_lock(&phydev->lock);
 284        rc = phy_select_page(phydev, MSCC_PHY_PAGE_EXTENDED_2);
 285        if (rc < 0) {
 286                rc = phy_restore_page(phydev, rc, rc);
 287                goto out_unlock;
 288        }
 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                goto out_unlock;
 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                        goto out_unlock;
 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                        goto out_unlock;
 342        }
 343        /* Clear WOL iterrupt status */
 344        reg_val = phy_read(phydev, MII_VSC85XX_INT_STATUS);
 345
 346out_unlock:
 347        mutex_unlock(&phydev->lock);
 348
 349        return rc;
 350}
 351
 352static void vsc85xx_wol_get(struct phy_device *phydev,
 353                            struct ethtool_wolinfo *wol)
 354{
 355        int rc;
 356        u16 reg_val;
 357        u8  i;
 358        u16 pwd[3] = {0, 0, 0};
 359        struct ethtool_wolinfo *wol_conf = wol;
 360
 361        mutex_lock(&phydev->lock);
 362        rc = phy_select_page(phydev, MSCC_PHY_PAGE_EXTENDED_2);
 363        if (rc < 0)
 364                goto out_unlock;
 365
 366        reg_val = __phy_read(phydev, MSCC_PHY_WOL_MAC_CONTROL);
 367        if (reg_val & SECURE_ON_ENABLE)
 368                wol_conf->wolopts |= WAKE_MAGICSECURE;
 369        if (wol_conf->wolopts & WAKE_MAGICSECURE) {
 370                pwd[0] = __phy_read(phydev, MSCC_PHY_WOL_LOWER_PASSWD);
 371                pwd[1] = __phy_read(phydev, MSCC_PHY_WOL_MID_PASSWD);
 372                pwd[2] = __phy_read(phydev, MSCC_PHY_WOL_UPPER_PASSWD);
 373                for (i = 0; i < ARRAY_SIZE(pwd); i++) {
 374                        wol_conf->sopass[5 - i * 2] = pwd[i] & 0x00ff;
 375                        wol_conf->sopass[5 - (i * 2 + 1)] = (pwd[i] & 0xff00)
 376                                                            >> 8;
 377                }
 378        }
 379
 380out_unlock:
 381        phy_restore_page(phydev, rc, rc > 0 ? 0 : rc);
 382        mutex_unlock(&phydev->lock);
 383}
 384
 385#if IS_ENABLED(CONFIG_OF_MDIO)
 386static int vsc85xx_edge_rate_magic_get(struct phy_device *phydev)
 387{
 388        u32 vdd, sd;
 389        int i, j;
 390        struct device *dev = &phydev->mdio.dev;
 391        struct device_node *of_node = dev->of_node;
 392        u8 sd_array_size = ARRAY_SIZE(edge_table[0].slowdown);
 393
 394        if (!of_node)
 395                return -ENODEV;
 396
 397        if (of_property_read_u32(of_node, "vsc8531,vddmac", &vdd))
 398                vdd = MSCC_VDDMAC_3300;
 399
 400        if (of_property_read_u32(of_node, "vsc8531,edge-slowdown", &sd))
 401                sd = 0;
 402
 403        for (i = 0; i < ARRAY_SIZE(edge_table); i++)
 404                if (edge_table[i].vddmac == vdd)
 405                        for (j = 0; j < sd_array_size; j++)
 406                                if (edge_table[i].slowdown[j] == sd)
 407                                        return (sd_array_size - j - 1);
 408
 409        return -EINVAL;
 410}
 411
 412static int vsc85xx_dt_led_mode_get(struct phy_device *phydev,
 413                                   char *led,
 414                                   u32 default_mode)
 415{
 416        struct vsc8531_private *priv = phydev->priv;
 417        struct device *dev = &phydev->mdio.dev;
 418        struct device_node *of_node = dev->of_node;
 419        u32 led_mode;
 420        int err;
 421
 422        if (!of_node)
 423                return -ENODEV;
 424
 425        led_mode = default_mode;
 426        err = of_property_read_u32(of_node, led, &led_mode);
 427        if (!err && !(BIT(led_mode) & priv->supp_led_modes)) {
 428                phydev_err(phydev, "DT %s invalid\n", led);
 429                return -EINVAL;
 430        }
 431
 432        return led_mode;
 433}
 434
 435#else
 436static int vsc85xx_edge_rate_magic_get(struct phy_device *phydev)
 437{
 438        return 0;
 439}
 440
 441static int vsc85xx_dt_led_mode_get(struct phy_device *phydev,
 442                                   char *led,
 443                                   u8 default_mode)
 444{
 445        return default_mode;
 446}
 447#endif /* CONFIG_OF_MDIO */
 448
 449static int vsc85xx_dt_led_modes_get(struct phy_device *phydev,
 450                                    u32 *default_mode)
 451{
 452        struct vsc8531_private *priv = phydev->priv;
 453        char led_dt_prop[28];
 454        int i, ret;
 455
 456        for (i = 0; i < priv->nleds; i++) {
 457                ret = sprintf(led_dt_prop, "vsc8531,led-%d-mode", i);
 458                if (ret < 0)
 459                        return ret;
 460
 461                ret = vsc85xx_dt_led_mode_get(phydev, led_dt_prop,
 462                                              default_mode[i]);
 463                if (ret < 0)
 464                        return ret;
 465                priv->leds_mode[i] = ret;
 466        }
 467
 468        return 0;
 469}
 470
 471static int vsc85xx_edge_rate_cntl_set(struct phy_device *phydev, u8 edge_rate)
 472{
 473        int rc;
 474
 475        mutex_lock(&phydev->lock);
 476        rc = phy_modify_paged(phydev, MSCC_PHY_PAGE_EXTENDED_2,
 477                              MSCC_PHY_WOL_MAC_CONTROL, EDGE_RATE_CNTL_MASK,
 478                              edge_rate << EDGE_RATE_CNTL_POS);
 479        mutex_unlock(&phydev->lock);
 480
 481        return rc;
 482}
 483
 484static int vsc85xx_mac_if_set(struct phy_device *phydev,
 485                              phy_interface_t interface)
 486{
 487        int rc;
 488        u16 reg_val;
 489
 490        mutex_lock(&phydev->lock);
 491        reg_val = phy_read(phydev, MSCC_PHY_EXT_PHY_CNTL_1);
 492        reg_val &= ~(MAC_IF_SELECTION_MASK);
 493        switch (interface) {
 494        case PHY_INTERFACE_MODE_RGMII_TXID:
 495        case PHY_INTERFACE_MODE_RGMII_RXID:
 496        case PHY_INTERFACE_MODE_RGMII_ID:
 497        case PHY_INTERFACE_MODE_RGMII:
 498                reg_val |= (MAC_IF_SELECTION_RGMII << MAC_IF_SELECTION_POS);
 499                break;
 500        case PHY_INTERFACE_MODE_RMII:
 501                reg_val |= (MAC_IF_SELECTION_RMII << MAC_IF_SELECTION_POS);
 502                break;
 503        case PHY_INTERFACE_MODE_MII:
 504        case PHY_INTERFACE_MODE_GMII:
 505                reg_val |= (MAC_IF_SELECTION_GMII << MAC_IF_SELECTION_POS);
 506                break;
 507        default:
 508                rc = -EINVAL;
 509                goto out_unlock;
 510        }
 511        rc = phy_write(phydev, MSCC_PHY_EXT_PHY_CNTL_1, reg_val);
 512        if (rc)
 513                goto out_unlock;
 514
 515        rc = genphy_soft_reset(phydev);
 516
 517out_unlock:
 518        mutex_unlock(&phydev->lock);
 519
 520        return rc;
 521}
 522
 523/* Set the RGMII RX and TX clock skews individually, according to the PHY
 524 * interface type, to:
 525 *  * 0.2 ns (their default, and lowest, hardware value) if delays should
 526 *    not be enabled
 527 *  * 2.0 ns (which causes the data to be sampled at exactly half way between
 528 *    clock transitions at 1000 Mbps) if delays should be enabled
 529 */
 530static int vsc85xx_rgmii_set_skews(struct phy_device *phydev, u32 rgmii_cntl,
 531                                   u16 rgmii_rx_delay_mask,
 532                                   u16 rgmii_tx_delay_mask)
 533{
 534        u16 rgmii_rx_delay_pos = ffs(rgmii_rx_delay_mask) - 1;
 535        u16 rgmii_tx_delay_pos = ffs(rgmii_tx_delay_mask) - 1;
 536        u16 reg_val = 0;
 537        int rc;
 538
 539        mutex_lock(&phydev->lock);
 540
 541        if (phydev->interface == PHY_INTERFACE_MODE_RGMII_RXID ||
 542            phydev->interface == PHY_INTERFACE_MODE_RGMII_ID)
 543                reg_val |= RGMII_CLK_DELAY_2_0_NS << rgmii_rx_delay_pos;
 544        if (phydev->interface == PHY_INTERFACE_MODE_RGMII_TXID ||
 545            phydev->interface == PHY_INTERFACE_MODE_RGMII_ID)
 546                reg_val |= RGMII_CLK_DELAY_2_0_NS << rgmii_tx_delay_pos;
 547
 548        rc = phy_modify_paged(phydev, MSCC_PHY_PAGE_EXTENDED_2,
 549                              rgmii_cntl,
 550                              rgmii_rx_delay_mask | rgmii_tx_delay_mask,
 551                              reg_val);
 552
 553        mutex_unlock(&phydev->lock);
 554
 555        return rc;
 556}
 557
 558static int vsc85xx_default_config(struct phy_device *phydev)
 559{
 560        int rc;
 561
 562        phydev->mdix_ctrl = ETH_TP_MDI_AUTO;
 563
 564        if (phy_interface_mode_is_rgmii(phydev->interface)) {
 565                rc = vsc85xx_rgmii_set_skews(phydev, VSC8502_RGMII_CNTL,
 566                                             VSC8502_RGMII_RX_DELAY_MASK,
 567                                             VSC8502_RGMII_TX_DELAY_MASK);
 568                if (rc)
 569                        return rc;
 570        }
 571
 572        return 0;
 573}
 574
 575static int vsc85xx_get_tunable(struct phy_device *phydev,
 576                               struct ethtool_tunable *tuna, void *data)
 577{
 578        switch (tuna->id) {
 579        case ETHTOOL_PHY_DOWNSHIFT:
 580                return vsc85xx_downshift_get(phydev, (u8 *)data);
 581        default:
 582                return -EINVAL;
 583        }
 584}
 585
 586static int vsc85xx_set_tunable(struct phy_device *phydev,
 587                               struct ethtool_tunable *tuna,
 588                               const void *data)
 589{
 590        switch (tuna->id) {
 591        case ETHTOOL_PHY_DOWNSHIFT:
 592                return vsc85xx_downshift_set(phydev, *(u8 *)data);
 593        default:
 594                return -EINVAL;
 595        }
 596}
 597
 598/* mdiobus lock should be locked when using this function */
 599static void vsc85xx_tr_write(struct phy_device *phydev, u16 addr, u32 val)
 600{
 601        __phy_write(phydev, MSCC_PHY_TR_MSB, val >> 16);
 602        __phy_write(phydev, MSCC_PHY_TR_LSB, val & GENMASK(15, 0));
 603        __phy_write(phydev, MSCC_PHY_TR_CNTL, TR_WRITE | TR_ADDR(addr));
 604}
 605
 606static int vsc8531_pre_init_seq_set(struct phy_device *phydev)
 607{
 608        int rc;
 609        static const struct reg_val init_seq[] = {
 610                {0x0f90, 0x00688980},
 611                {0x0696, 0x00000003},
 612                {0x07fa, 0x0050100f},
 613                {0x1686, 0x00000004},
 614        };
 615        unsigned int i;
 616        int oldpage;
 617
 618        rc = phy_modify_paged(phydev, MSCC_PHY_PAGE_STANDARD,
 619                              MSCC_PHY_EXT_CNTL_STATUS, SMI_BROADCAST_WR_EN,
 620                              SMI_BROADCAST_WR_EN);
 621        if (rc < 0)
 622                return rc;
 623        rc = phy_modify_paged(phydev, MSCC_PHY_PAGE_TEST,
 624                              MSCC_PHY_TEST_PAGE_24, 0, 0x0400);
 625        if (rc < 0)
 626                return rc;
 627        rc = phy_modify_paged(phydev, MSCC_PHY_PAGE_TEST,
 628                              MSCC_PHY_TEST_PAGE_5, 0x0a00, 0x0e00);
 629        if (rc < 0)
 630                return rc;
 631        rc = phy_modify_paged(phydev, MSCC_PHY_PAGE_TEST,
 632                              MSCC_PHY_TEST_PAGE_8, TR_CLK_DISABLE, TR_CLK_DISABLE);
 633        if (rc < 0)
 634                return rc;
 635
 636        mutex_lock(&phydev->lock);
 637        oldpage = phy_select_page(phydev, MSCC_PHY_PAGE_TR);
 638        if (oldpage < 0)
 639                goto out_unlock;
 640
 641        for (i = 0; i < ARRAY_SIZE(init_seq); i++)
 642                vsc85xx_tr_write(phydev, init_seq[i].reg, init_seq[i].val);
 643
 644out_unlock:
 645        oldpage = phy_restore_page(phydev, oldpage, oldpage);
 646        mutex_unlock(&phydev->lock);
 647
 648        return oldpage;
 649}
 650
 651static int vsc85xx_eee_init_seq_set(struct phy_device *phydev)
 652{
 653        static const struct reg_val init_eee[] = {
 654                {0x0f82, 0x0012b00a},
 655                {0x1686, 0x00000004},
 656                {0x168c, 0x00d2c46f},
 657                {0x17a2, 0x00000620},
 658                {0x16a0, 0x00eeffdd},
 659                {0x16a6, 0x00071448},
 660                {0x16a4, 0x0013132f},
 661                {0x16a8, 0x00000000},
 662                {0x0ffc, 0x00c0a028},
 663                {0x0fe8, 0x0091b06c},
 664                {0x0fea, 0x00041600},
 665                {0x0f80, 0x00000af4},
 666                {0x0fec, 0x00901809},
 667                {0x0fee, 0x0000a6a1},
 668                {0x0ffe, 0x00b01007},
 669                {0x16b0, 0x00eeff00},
 670                {0x16b2, 0x00007000},
 671                {0x16b4, 0x00000814},
 672        };
 673        unsigned int i;
 674        int oldpage;
 675
 676        mutex_lock(&phydev->lock);
 677        oldpage = phy_select_page(phydev, MSCC_PHY_PAGE_TR);
 678        if (oldpage < 0)
 679                goto out_unlock;
 680
 681        for (i = 0; i < ARRAY_SIZE(init_eee); i++)
 682                vsc85xx_tr_write(phydev, init_eee[i].reg, init_eee[i].val);
 683
 684out_unlock:
 685        oldpage = phy_restore_page(phydev, oldpage, oldpage);
 686        mutex_unlock(&phydev->lock);
 687
 688        return oldpage;
 689}
 690
 691/* phydev->bus->mdio_lock should be locked when using this function */
 692int phy_base_write(struct phy_device *phydev, u32 regnum, u16 val)
 693{
 694        if (unlikely(!mutex_is_locked(&phydev->mdio.bus->mdio_lock))) {
 695                dev_err(&phydev->mdio.dev, "MDIO bus lock not held!\n");
 696                dump_stack();
 697        }
 698
 699        return __phy_package_write(phydev, regnum, val);
 700}
 701
 702/* phydev->bus->mdio_lock should be locked when using this function */
 703int phy_base_read(struct phy_device *phydev, u32 regnum)
 704{
 705        if (unlikely(!mutex_is_locked(&phydev->mdio.bus->mdio_lock))) {
 706                dev_err(&phydev->mdio.dev, "MDIO bus lock not held!\n");
 707                dump_stack();
 708        }
 709
 710        return __phy_package_read(phydev, regnum);
 711}
 712
 713u32 vsc85xx_csr_read(struct phy_device *phydev,
 714                     enum csr_target target, u32 reg)
 715{
 716        unsigned long deadline;
 717        u32 val, val_l, val_h;
 718
 719        phy_base_write(phydev, MSCC_EXT_PAGE_ACCESS, MSCC_PHY_PAGE_CSR_CNTL);
 720
 721        /* CSR registers are grouped under different Target IDs.
 722         * 6-bit Target_ID is split between MSCC_EXT_PAGE_CSR_CNTL_20 and
 723         * MSCC_EXT_PAGE_CSR_CNTL_19 registers.
 724         * Target_ID[5:2] maps to bits[3:0] of MSCC_EXT_PAGE_CSR_CNTL_20
 725         * and Target_ID[1:0] maps to bits[13:12] of MSCC_EXT_PAGE_CSR_CNTL_19.
 726         */
 727
 728        /* Setup the Target ID */
 729        phy_base_write(phydev, MSCC_EXT_PAGE_CSR_CNTL_20,
 730                       MSCC_PHY_CSR_CNTL_20_TARGET(target >> 2));
 731
 732        if ((target >> 2 == 0x1) || (target >> 2 == 0x3))
 733                /* non-MACsec access */
 734                target &= 0x3;
 735        else
 736                target = 0;
 737
 738        /* Trigger CSR Action - Read into the CSR's */
 739        phy_base_write(phydev, MSCC_EXT_PAGE_CSR_CNTL_19,
 740                       MSCC_PHY_CSR_CNTL_19_CMD | MSCC_PHY_CSR_CNTL_19_READ |
 741                       MSCC_PHY_CSR_CNTL_19_REG_ADDR(reg) |
 742                       MSCC_PHY_CSR_CNTL_19_TARGET(target));
 743
 744        /* Wait for register access*/
 745        deadline = jiffies + msecs_to_jiffies(PROC_CMD_NCOMPLETED_TIMEOUT_MS);
 746        do {
 747                usleep_range(500, 1000);
 748                val = phy_base_read(phydev, MSCC_EXT_PAGE_CSR_CNTL_19);
 749        } while (time_before(jiffies, deadline) &&
 750                !(val & MSCC_PHY_CSR_CNTL_19_CMD));
 751
 752        if (!(val & MSCC_PHY_CSR_CNTL_19_CMD))
 753                return 0xffffffff;
 754
 755        /* Read the Least Significant Word (LSW) (17) */
 756        val_l = phy_base_read(phydev, MSCC_EXT_PAGE_CSR_CNTL_17);
 757
 758        /* Read the Most Significant Word (MSW) (18) */
 759        val_h = phy_base_read(phydev, MSCC_EXT_PAGE_CSR_CNTL_18);
 760
 761        phy_base_write(phydev, MSCC_EXT_PAGE_ACCESS,
 762                       MSCC_PHY_PAGE_STANDARD);
 763
 764        return (val_h << 16) | val_l;
 765}
 766
 767int vsc85xx_csr_write(struct phy_device *phydev,
 768                      enum csr_target target, u32 reg, u32 val)
 769{
 770        unsigned long deadline;
 771
 772        phy_base_write(phydev, MSCC_EXT_PAGE_ACCESS, MSCC_PHY_PAGE_CSR_CNTL);
 773
 774        /* CSR registers are grouped under different Target IDs.
 775         * 6-bit Target_ID is split between MSCC_EXT_PAGE_CSR_CNTL_20 and
 776         * MSCC_EXT_PAGE_CSR_CNTL_19 registers.
 777         * Target_ID[5:2] maps to bits[3:0] of MSCC_EXT_PAGE_CSR_CNTL_20
 778         * and Target_ID[1:0] maps to bits[13:12] of MSCC_EXT_PAGE_CSR_CNTL_19.
 779         */
 780
 781        /* Setup the Target ID */
 782        phy_base_write(phydev, MSCC_EXT_PAGE_CSR_CNTL_20,
 783                       MSCC_PHY_CSR_CNTL_20_TARGET(target >> 2));
 784
 785        /* Write the Least Significant Word (LSW) (17) */
 786        phy_base_write(phydev, MSCC_EXT_PAGE_CSR_CNTL_17, (u16)val);
 787
 788        /* Write the Most Significant Word (MSW) (18) */
 789        phy_base_write(phydev, MSCC_EXT_PAGE_CSR_CNTL_18, (u16)(val >> 16));
 790
 791        if ((target >> 2 == 0x1) || (target >> 2 == 0x3))
 792                /* non-MACsec access */
 793                target &= 0x3;
 794        else
 795                target = 0;
 796
 797        /* Trigger CSR Action - Write into the CSR's */
 798        phy_base_write(phydev, MSCC_EXT_PAGE_CSR_CNTL_19,
 799                       MSCC_PHY_CSR_CNTL_19_CMD |
 800                       MSCC_PHY_CSR_CNTL_19_REG_ADDR(reg) |
 801                       MSCC_PHY_CSR_CNTL_19_TARGET(target));
 802
 803        /* Wait for register access */
 804        deadline = jiffies + msecs_to_jiffies(PROC_CMD_NCOMPLETED_TIMEOUT_MS);
 805        do {
 806                usleep_range(500, 1000);
 807                val = phy_base_read(phydev, MSCC_EXT_PAGE_CSR_CNTL_19);
 808        } while (time_before(jiffies, deadline) &&
 809                 !(val & MSCC_PHY_CSR_CNTL_19_CMD));
 810
 811        if (!(val & MSCC_PHY_CSR_CNTL_19_CMD))
 812                return -ETIMEDOUT;
 813
 814        phy_base_write(phydev, MSCC_EXT_PAGE_ACCESS,
 815                       MSCC_PHY_PAGE_STANDARD);
 816
 817        return 0;
 818}
 819
 820/* bus->mdio_lock should be locked when using this function */
 821static void vsc8584_csr_write(struct phy_device *phydev, u16 addr, u32 val)
 822{
 823        phy_base_write(phydev, MSCC_PHY_TR_MSB, val >> 16);
 824        phy_base_write(phydev, MSCC_PHY_TR_LSB, val & GENMASK(15, 0));
 825        phy_base_write(phydev, MSCC_PHY_TR_CNTL, TR_WRITE | TR_ADDR(addr));
 826}
 827
 828/* bus->mdio_lock should be locked when using this function */
 829int vsc8584_cmd(struct phy_device *phydev, u16 val)
 830{
 831        unsigned long deadline;
 832        u16 reg_val;
 833
 834        phy_base_write(phydev, MSCC_EXT_PAGE_ACCESS,
 835                       MSCC_PHY_PAGE_EXTENDED_GPIO);
 836
 837        phy_base_write(phydev, MSCC_PHY_PROC_CMD, PROC_CMD_NCOMPLETED | val);
 838
 839        deadline = jiffies + msecs_to_jiffies(PROC_CMD_NCOMPLETED_TIMEOUT_MS);
 840        do {
 841                reg_val = phy_base_read(phydev, MSCC_PHY_PROC_CMD);
 842        } while (time_before(jiffies, deadline) &&
 843                 (reg_val & PROC_CMD_NCOMPLETED) &&
 844                 !(reg_val & PROC_CMD_FAILED));
 845
 846        phy_base_write(phydev, MSCC_EXT_PAGE_ACCESS, MSCC_PHY_PAGE_STANDARD);
 847
 848        if (reg_val & PROC_CMD_FAILED)
 849                return -EIO;
 850
 851        if (reg_val & PROC_CMD_NCOMPLETED)
 852                return -ETIMEDOUT;
 853
 854        return 0;
 855}
 856
 857/* bus->mdio_lock should be locked when using this function */
 858static int vsc8584_micro_deassert_reset(struct phy_device *phydev,
 859                                        bool patch_en)
 860{
 861        u32 enable, release;
 862
 863        phy_base_write(phydev, MSCC_EXT_PAGE_ACCESS,
 864                       MSCC_PHY_PAGE_EXTENDED_GPIO);
 865
 866        enable = RUN_FROM_INT_ROM | MICRO_CLK_EN | DW8051_CLK_EN;
 867        release = MICRO_NSOFT_RESET | RUN_FROM_INT_ROM | DW8051_CLK_EN |
 868                MICRO_CLK_EN;
 869
 870        if (patch_en) {
 871                enable |= MICRO_PATCH_EN;
 872                release |= MICRO_PATCH_EN;
 873
 874                /* Clear all patches */
 875                phy_base_write(phydev, MSCC_INT_MEM_CNTL, READ_RAM);
 876        }
 877
 878        /* Enable 8051 Micro clock; CLEAR/SET patch present; disable PRAM clock
 879         * override and addr. auto-incr; operate at 125 MHz
 880         */
 881        phy_base_write(phydev, MSCC_DW8051_CNTL_STATUS, enable);
 882        /* Release 8051 Micro SW reset */
 883        phy_base_write(phydev, MSCC_DW8051_CNTL_STATUS, release);
 884
 885        phy_base_write(phydev, MSCC_EXT_PAGE_ACCESS, MSCC_PHY_PAGE_STANDARD);
 886
 887        return 0;
 888}
 889
 890/* bus->mdio_lock should be locked when using this function */
 891static int vsc8584_micro_assert_reset(struct phy_device *phydev)
 892{
 893        int ret;
 894        u16 reg;
 895
 896        ret = vsc8584_cmd(phydev, PROC_CMD_NOP);
 897        if (ret)
 898                return ret;
 899
 900        phy_base_write(phydev, MSCC_EXT_PAGE_ACCESS,
 901                       MSCC_PHY_PAGE_EXTENDED_GPIO);
 902
 903        reg = phy_base_read(phydev, MSCC_INT_MEM_CNTL);
 904        reg &= ~EN_PATCH_RAM_TRAP_ADDR(4);
 905        phy_base_write(phydev, MSCC_INT_MEM_CNTL, reg);
 906
 907        phy_base_write(phydev, MSCC_TRAP_ROM_ADDR(4), 0x005b);
 908        phy_base_write(phydev, MSCC_PATCH_RAM_ADDR(4), 0x005b);
 909
 910        reg = phy_base_read(phydev, MSCC_INT_MEM_CNTL);
 911        reg |= EN_PATCH_RAM_TRAP_ADDR(4);
 912        phy_base_write(phydev, MSCC_INT_MEM_CNTL, reg);
 913
 914        phy_base_write(phydev, MSCC_PHY_PROC_CMD, PROC_CMD_NOP);
 915
 916        reg = phy_base_read(phydev, MSCC_DW8051_CNTL_STATUS);
 917        reg &= ~MICRO_NSOFT_RESET;
 918        phy_base_write(phydev, MSCC_DW8051_CNTL_STATUS, reg);
 919
 920        phy_base_write(phydev, MSCC_PHY_PROC_CMD, PROC_CMD_MCB_ACCESS_MAC_CONF |
 921                       PROC_CMD_SGMII_PORT(0) | PROC_CMD_NO_MAC_CONF |
 922                       PROC_CMD_READ);
 923
 924        reg = phy_base_read(phydev, MSCC_INT_MEM_CNTL);
 925        reg &= ~EN_PATCH_RAM_TRAP_ADDR(4);
 926        phy_base_write(phydev, MSCC_INT_MEM_CNTL, reg);
 927
 928        phy_base_write(phydev, MSCC_EXT_PAGE_ACCESS, MSCC_PHY_PAGE_STANDARD);
 929
 930        return 0;
 931}
 932
 933/* bus->mdio_lock should be locked when using this function */
 934static int vsc8584_get_fw_crc(struct phy_device *phydev, u16 start, u16 size,
 935                              u16 *crc)
 936{
 937        int ret;
 938
 939        phy_base_write(phydev, MSCC_EXT_PAGE_ACCESS, MSCC_PHY_PAGE_EXTENDED);
 940
 941        phy_base_write(phydev, MSCC_PHY_VERIPHY_CNTL_2, start);
 942        phy_base_write(phydev, MSCC_PHY_VERIPHY_CNTL_3, size);
 943
 944        /* Start Micro command */
 945        ret = vsc8584_cmd(phydev, PROC_CMD_CRC16);
 946        if (ret)
 947                goto out;
 948
 949        phy_base_write(phydev, MSCC_EXT_PAGE_ACCESS, MSCC_PHY_PAGE_EXTENDED);
 950
 951        *crc = phy_base_read(phydev, MSCC_PHY_VERIPHY_CNTL_2);
 952
 953out:
 954        phy_base_write(phydev, MSCC_EXT_PAGE_ACCESS, MSCC_PHY_PAGE_STANDARD);
 955
 956        return ret;
 957}
 958
 959/* bus->mdio_lock should be locked when using this function */
 960static int vsc8584_patch_fw(struct phy_device *phydev,
 961                            const struct firmware *fw)
 962{
 963        int i, ret;
 964
 965        ret = vsc8584_micro_assert_reset(phydev);
 966        if (ret) {
 967                dev_err(&phydev->mdio.dev,
 968                        "%s: failed to assert reset of micro\n", __func__);
 969                return ret;
 970        }
 971
 972        phy_base_write(phydev, MSCC_EXT_PAGE_ACCESS,
 973                       MSCC_PHY_PAGE_EXTENDED_GPIO);
 974
 975        /* Hold 8051 Micro in SW Reset, Enable auto incr address and patch clock
 976         * Disable the 8051 Micro clock
 977         */
 978        phy_base_write(phydev, MSCC_DW8051_CNTL_STATUS, RUN_FROM_INT_ROM |
 979                       AUTOINC_ADDR | PATCH_RAM_CLK | MICRO_CLK_EN |
 980                       MICRO_CLK_DIVIDE(2));
 981        phy_base_write(phydev, MSCC_INT_MEM_CNTL, READ_PRAM | INT_MEM_WRITE_EN |
 982                       INT_MEM_DATA(2));
 983        phy_base_write(phydev, MSCC_INT_MEM_ADDR, 0x0000);
 984
 985        for (i = 0; i < fw->size; i++)
 986                phy_base_write(phydev, MSCC_INT_MEM_CNTL, READ_PRAM |
 987                               INT_MEM_WRITE_EN | fw->data[i]);
 988
 989        /* Clear internal memory access */
 990        phy_base_write(phydev, MSCC_INT_MEM_CNTL, READ_RAM);
 991
 992        phy_base_write(phydev, MSCC_EXT_PAGE_ACCESS, MSCC_PHY_PAGE_STANDARD);
 993
 994        return 0;
 995}
 996
 997/* bus->mdio_lock should be locked when using this function */
 998static bool vsc8574_is_serdes_init(struct phy_device *phydev)
 999{
1000        u16 reg;
1001        bool ret;
1002
1003        phy_base_write(phydev, MSCC_EXT_PAGE_ACCESS,
1004                       MSCC_PHY_PAGE_EXTENDED_GPIO);
1005
1006        reg = phy_base_read(phydev, MSCC_TRAP_ROM_ADDR(1));
1007        if (reg != 0x3eb7) {
1008                ret = false;
1009                goto out;
1010        }
1011
1012        reg = phy_base_read(phydev, MSCC_PATCH_RAM_ADDR(1));
1013        if (reg != 0x4012) {
1014                ret = false;
1015                goto out;
1016        }
1017
1018        reg = phy_base_read(phydev, MSCC_INT_MEM_CNTL);
1019        if (reg != EN_PATCH_RAM_TRAP_ADDR(1)) {
1020                ret = false;
1021                goto out;
1022        }
1023
1024        reg = phy_base_read(phydev, MSCC_DW8051_CNTL_STATUS);
1025        if ((MICRO_NSOFT_RESET | RUN_FROM_INT_ROM |  DW8051_CLK_EN |
1026             MICRO_CLK_EN) != (reg & MSCC_DW8051_VLD_MASK)) {
1027                ret = false;
1028                goto out;
1029        }
1030
1031        ret = true;
1032out:
1033        phy_base_write(phydev, MSCC_EXT_PAGE_ACCESS, MSCC_PHY_PAGE_STANDARD);
1034
1035        return ret;
1036}
1037
1038/* bus->mdio_lock should be locked when using this function */
1039static int vsc8574_config_pre_init(struct phy_device *phydev)
1040{
1041        static const struct reg_val pre_init1[] = {
1042                {0x0fae, 0x000401bd},
1043                {0x0fac, 0x000f000f},
1044                {0x17a0, 0x00a0f147},
1045                {0x0fe4, 0x00052f54},
1046                {0x1792, 0x0027303d},
1047                {0x07fe, 0x00000704},
1048                {0x0fe0, 0x00060150},
1049                {0x0f82, 0x0012b00a},
1050                {0x0f80, 0x00000d74},
1051                {0x02e0, 0x00000012},
1052                {0x03a2, 0x00050208},
1053                {0x03b2, 0x00009186},
1054                {0x0fb0, 0x000e3700},
1055                {0x1688, 0x00049f81},
1056                {0x0fd2, 0x0000ffff},
1057                {0x168a, 0x00039fa2},
1058                {0x1690, 0x0020640b},
1059                {0x0258, 0x00002220},
1060                {0x025a, 0x00002a20},
1061                {0x025c, 0x00003060},
1062                {0x025e, 0x00003fa0},
1063                {0x03a6, 0x0000e0f0},
1064                {0x0f92, 0x00001489},
1065                {0x16a2, 0x00007000},
1066                {0x16a6, 0x00071448},
1067                {0x16a0, 0x00eeffdd},
1068                {0x0fe8, 0x0091b06c},
1069                {0x0fea, 0x00041600},
1070                {0x16b0, 0x00eeff00},
1071                {0x16b2, 0x00007000},
1072                {0x16b4, 0x00000814},
1073                {0x0f90, 0x00688980},
1074                {0x03a4, 0x0000d8f0},
1075                {0x0fc0, 0x00000400},
1076                {0x07fa, 0x0050100f},
1077                {0x0796, 0x00000003},
1078                {0x07f8, 0x00c3ff98},
1079                {0x0fa4, 0x0018292a},
1080                {0x168c, 0x00d2c46f},
1081                {0x17a2, 0x00000620},
1082                {0x16a4, 0x0013132f},
1083                {0x16a8, 0x00000000},
1084                {0x0ffc, 0x00c0a028},
1085                {0x0fec, 0x00901c09},
1086                {0x0fee, 0x0004a6a1},
1087                {0x0ffe, 0x00b01807},
1088        };
1089        static const struct reg_val pre_init2[] = {
1090                {0x0486, 0x0008a518},
1091                {0x0488, 0x006dc696},
1092                {0x048a, 0x00000912},
1093                {0x048e, 0x00000db6},
1094                {0x049c, 0x00596596},
1095                {0x049e, 0x00000514},
1096                {0x04a2, 0x00410280},
1097                {0x04a4, 0x00000000},
1098                {0x04a6, 0x00000000},
1099                {0x04a8, 0x00000000},
1100                {0x04aa, 0x00000000},
1101                {0x04ae, 0x007df7dd},
1102                {0x04b0, 0x006d95d4},
1103                {0x04b2, 0x00492410},
1104        };
1105        struct device *dev = &phydev->mdio.dev;
1106        const struct firmware *fw;
1107        unsigned int i;
1108        u16 crc, reg;
1109        bool serdes_init;
1110        int ret;
1111
1112        phy_base_write(phydev, MSCC_EXT_PAGE_ACCESS, MSCC_PHY_PAGE_STANDARD);
1113
1114        /* all writes below are broadcasted to all PHYs in the same package */
1115        reg = phy_base_read(phydev, MSCC_PHY_EXT_CNTL_STATUS);
1116        reg |= SMI_BROADCAST_WR_EN;
1117        phy_base_write(phydev, MSCC_PHY_EXT_CNTL_STATUS, reg);
1118
1119        phy_base_write(phydev, MII_VSC85XX_INT_MASK, 0);
1120
1121        /* The below register writes are tweaking analog and electrical
1122         * configuration that were determined through characterization by PHY
1123         * engineers. These don't mean anything more than "these are the best
1124         * values".
1125         */
1126        phy_base_write(phydev, MSCC_PHY_EXT_PHY_CNTL_2, 0x0040);
1127
1128        phy_base_write(phydev, MSCC_EXT_PAGE_ACCESS, MSCC_PHY_PAGE_TEST);
1129
1130        phy_base_write(phydev, MSCC_PHY_TEST_PAGE_20, 0x4320);
1131        phy_base_write(phydev, MSCC_PHY_TEST_PAGE_24, 0x0c00);
1132        phy_base_write(phydev, MSCC_PHY_TEST_PAGE_9, 0x18ca);
1133        phy_base_write(phydev, MSCC_PHY_TEST_PAGE_5, 0x1b20);
1134
1135        reg = phy_base_read(phydev, MSCC_PHY_TEST_PAGE_8);
1136        reg |= TR_CLK_DISABLE;
1137        phy_base_write(phydev, MSCC_PHY_TEST_PAGE_8, reg);
1138
1139        phy_base_write(phydev, MSCC_EXT_PAGE_ACCESS, MSCC_PHY_PAGE_TR);
1140
1141        for (i = 0; i < ARRAY_SIZE(pre_init1); i++)
1142                vsc8584_csr_write(phydev, pre_init1[i].reg, pre_init1[i].val);
1143
1144        phy_base_write(phydev, MSCC_EXT_PAGE_ACCESS, MSCC_PHY_PAGE_EXTENDED_2);
1145
1146        phy_base_write(phydev, MSCC_PHY_CU_PMD_TX_CNTL, 0x028e);
1147
1148        phy_base_write(phydev, MSCC_EXT_PAGE_ACCESS, MSCC_PHY_PAGE_TR);
1149
1150        for (i = 0; i < ARRAY_SIZE(pre_init2); i++)
1151                vsc8584_csr_write(phydev, pre_init2[i].reg, pre_init2[i].val);
1152
1153        phy_base_write(phydev, MSCC_EXT_PAGE_ACCESS, MSCC_PHY_PAGE_TEST);
1154
1155        reg = phy_base_read(phydev, MSCC_PHY_TEST_PAGE_8);
1156        reg &= ~TR_CLK_DISABLE;
1157        phy_base_write(phydev, MSCC_PHY_TEST_PAGE_8, reg);
1158
1159        phy_base_write(phydev, MSCC_EXT_PAGE_ACCESS, MSCC_PHY_PAGE_STANDARD);
1160
1161        /* end of write broadcasting */
1162        reg = phy_base_read(phydev, MSCC_PHY_EXT_CNTL_STATUS);
1163        reg &= ~SMI_BROADCAST_WR_EN;
1164        phy_base_write(phydev, MSCC_PHY_EXT_CNTL_STATUS, reg);
1165
1166        ret = request_firmware(&fw, MSCC_VSC8574_REVB_INT8051_FW, dev);
1167        if (ret) {
1168                dev_err(dev, "failed to load firmware %s, ret: %d\n",
1169                        MSCC_VSC8574_REVB_INT8051_FW, ret);
1170                return ret;
1171        }
1172
1173        /* Add one byte to size for the one added by the patch_fw function */
1174        ret = vsc8584_get_fw_crc(phydev,
1175                                 MSCC_VSC8574_REVB_INT8051_FW_START_ADDR,
1176                                 fw->size + 1, &crc);
1177        if (ret)
1178                goto out;
1179
1180        if (crc == MSCC_VSC8574_REVB_INT8051_FW_CRC) {
1181                serdes_init = vsc8574_is_serdes_init(phydev);
1182
1183                if (!serdes_init) {
1184                        ret = vsc8584_micro_assert_reset(phydev);
1185                        if (ret) {
1186                                dev_err(dev,
1187                                        "%s: failed to assert reset of micro\n",
1188                                        __func__);
1189                                goto out;
1190                        }
1191                }
1192        } else {
1193                dev_dbg(dev, "FW CRC is not the expected one, patching FW\n");
1194
1195                serdes_init = false;
1196
1197                if (vsc8584_patch_fw(phydev, fw))
1198                        dev_warn(dev,
1199                                 "failed to patch FW, expect non-optimal device\n");
1200        }
1201
1202        if (!serdes_init) {
1203                phy_base_write(phydev, MSCC_EXT_PAGE_ACCESS,
1204                               MSCC_PHY_PAGE_EXTENDED_GPIO);
1205
1206                phy_base_write(phydev, MSCC_TRAP_ROM_ADDR(1), 0x3eb7);
1207                phy_base_write(phydev, MSCC_PATCH_RAM_ADDR(1), 0x4012);
1208                phy_base_write(phydev, MSCC_INT_MEM_CNTL,
1209                               EN_PATCH_RAM_TRAP_ADDR(1));
1210
1211                vsc8584_micro_deassert_reset(phydev, false);
1212
1213                /* Add one byte to size for the one added by the patch_fw
1214                 * function
1215                 */
1216                ret = vsc8584_get_fw_crc(phydev,
1217                                         MSCC_VSC8574_REVB_INT8051_FW_START_ADDR,
1218                                         fw->size + 1, &crc);
1219                if (ret)
1220                        goto out;
1221
1222                if (crc != MSCC_VSC8574_REVB_INT8051_FW_CRC)
1223                        dev_warn(dev,
1224                                 "FW CRC after patching is not the expected one, expect non-optimal device\n");
1225        }
1226
1227        phy_base_write(phydev, MSCC_EXT_PAGE_ACCESS,
1228                       MSCC_PHY_PAGE_EXTENDED_GPIO);
1229
1230        ret = vsc8584_cmd(phydev, PROC_CMD_1588_DEFAULT_INIT |
1231                          PROC_CMD_PHY_INIT);
1232
1233out:
1234        phy_base_write(phydev, MSCC_EXT_PAGE_ACCESS, MSCC_PHY_PAGE_STANDARD);
1235
1236        release_firmware(fw);
1237
1238        return ret;
1239}
1240
1241/* Access LCPLL Cfg_2 */
1242static void vsc8584_pll5g_cfg2_wr(struct phy_device *phydev,
1243                                  bool disable_fsm)
1244{
1245        u32 rd_dat;
1246
1247        rd_dat = vsc85xx_csr_read(phydev, MACRO_CTRL, PHY_S6G_PLL5G_CFG2);
1248        rd_dat &= ~BIT(PHY_S6G_CFG2_FSM_DIS);
1249        rd_dat |= (disable_fsm << PHY_S6G_CFG2_FSM_DIS);
1250        vsc85xx_csr_write(phydev, MACRO_CTRL, PHY_S6G_PLL5G_CFG2, rd_dat);
1251}
1252
1253/* trigger a read to the spcified MCB */
1254static int vsc8584_mcb_rd_trig(struct phy_device *phydev,
1255                               u32 mcb_reg_addr, u8 mcb_slave_num)
1256{
1257        u32 rd_dat = 0;
1258
1259        /* read MCB */
1260        vsc85xx_csr_write(phydev, MACRO_CTRL, mcb_reg_addr,
1261                          (0x40000000 | (1L << mcb_slave_num)));
1262
1263        return read_poll_timeout(vsc85xx_csr_read, rd_dat,
1264                                 !(rd_dat & 0x40000000),
1265                                 4000, 200000, 0,
1266                                 phydev, MACRO_CTRL, mcb_reg_addr);
1267}
1268
1269/* trigger a write to the spcified MCB */
1270static int vsc8584_mcb_wr_trig(struct phy_device *phydev,
1271                               u32 mcb_reg_addr,
1272                               u8 mcb_slave_num)
1273{
1274        u32 rd_dat = 0;
1275
1276        /* write back MCB */
1277        vsc85xx_csr_write(phydev, MACRO_CTRL, mcb_reg_addr,
1278                          (0x80000000 | (1L << mcb_slave_num)));
1279
1280        return read_poll_timeout(vsc85xx_csr_read, rd_dat,
1281                                 !(rd_dat & 0x80000000),
1282                                 4000, 200000, 0,
1283                                 phydev, MACRO_CTRL, mcb_reg_addr);
1284}
1285
1286/* Sequence to Reset LCPLL for the VIPER and ELISE PHY */
1287static int vsc8584_pll5g_reset(struct phy_device *phydev)
1288{
1289        bool dis_fsm;
1290        int ret = 0;
1291
1292        ret = vsc8584_mcb_rd_trig(phydev, 0x11, 0);
1293        if (ret < 0)
1294                goto done;
1295        dis_fsm = 1;
1296
1297        /* Reset LCPLL */
1298        vsc8584_pll5g_cfg2_wr(phydev, dis_fsm);
1299
1300        /* write back LCPLL MCB */
1301        ret = vsc8584_mcb_wr_trig(phydev, 0x11, 0);
1302        if (ret < 0)
1303                goto done;
1304
1305        /* 10 mSec sleep while LCPLL is hold in reset */
1306        usleep_range(10000, 20000);
1307
1308        /* read LCPLL MCB into CSRs */
1309        ret = vsc8584_mcb_rd_trig(phydev, 0x11, 0);
1310        if (ret < 0)
1311                goto done;
1312        dis_fsm = 0;
1313
1314        /* Release the Reset of LCPLL */
1315        vsc8584_pll5g_cfg2_wr(phydev, dis_fsm);
1316
1317        /* write back LCPLL MCB */
1318        ret = vsc8584_mcb_wr_trig(phydev, 0x11, 0);
1319        if (ret < 0)
1320                goto done;
1321
1322        usleep_range(110000, 200000);
1323done:
1324        return ret;
1325}
1326
1327/* bus->mdio_lock should be locked when using this function */
1328static int vsc8584_config_pre_init(struct phy_device *phydev)
1329{
1330        static const struct reg_val pre_init1[] = {
1331                {0x07fa, 0x0050100f},
1332                {0x1688, 0x00049f81},
1333                {0x0f90, 0x00688980},
1334                {0x03a4, 0x0000d8f0},
1335                {0x0fc0, 0x00000400},
1336                {0x0f82, 0x0012b002},
1337                {0x1686, 0x00000004},
1338                {0x168c, 0x00d2c46f},
1339                {0x17a2, 0x00000620},
1340                {0x16a0, 0x00eeffdd},
1341                {0x16a6, 0x00071448},
1342                {0x16a4, 0x0013132f},
1343                {0x16a8, 0x00000000},
1344                {0x0ffc, 0x00c0a028},
1345                {0x0fe8, 0x0091b06c},
1346                {0x0fea, 0x00041600},
1347                {0x0f80, 0x00fffaff},
1348                {0x0fec, 0x00901809},
1349                {0x0ffe, 0x00b01007},
1350                {0x16b0, 0x00eeff00},
1351                {0x16b2, 0x00007000},
1352                {0x16b4, 0x00000814},
1353        };
1354        static const struct reg_val pre_init2[] = {
1355                {0x0486, 0x0008a518},
1356                {0x0488, 0x006dc696},
1357                {0x048a, 0x00000912},
1358        };
1359        const struct firmware *fw;
1360        struct device *dev = &phydev->mdio.dev;
1361        unsigned int i;
1362        u16 crc, reg;
1363        int ret;
1364
1365        ret = vsc8584_pll5g_reset(phydev);
1366        if (ret < 0) {
1367                dev_err(dev, "failed LCPLL reset, ret: %d\n", ret);
1368                return ret;
1369        }
1370
1371        phy_base_write(phydev, MSCC_EXT_PAGE_ACCESS, MSCC_PHY_PAGE_STANDARD);
1372
1373        /* all writes below are broadcasted to all PHYs in the same package */
1374        reg = phy_base_read(phydev, MSCC_PHY_EXT_CNTL_STATUS);
1375        reg |= SMI_BROADCAST_WR_EN;
1376        phy_base_write(phydev, MSCC_PHY_EXT_CNTL_STATUS, reg);
1377
1378        phy_base_write(phydev, MII_VSC85XX_INT_MASK, 0);
1379
1380        reg = phy_base_read(phydev,  MSCC_PHY_BYPASS_CONTROL);
1381        reg |= PARALLEL_DET_IGNORE_ADVERTISED;
1382        phy_base_write(phydev, MSCC_PHY_BYPASS_CONTROL, reg);
1383
1384        /* The below register writes are tweaking analog and electrical
1385         * configuration that were determined through characterization by PHY
1386         * engineers. These don't mean anything more than "these are the best
1387         * values".
1388         */
1389        phy_base_write(phydev, MSCC_EXT_PAGE_ACCESS, MSCC_PHY_PAGE_EXTENDED_3);
1390
1391        phy_base_write(phydev, MSCC_PHY_SERDES_TX_CRC_ERR_CNT, 0x2000);
1392
1393        phy_base_write(phydev, MSCC_EXT_PAGE_ACCESS, MSCC_PHY_PAGE_TEST);
1394
1395        phy_base_write(phydev, MSCC_PHY_TEST_PAGE_5, 0x1f20);
1396
1397        reg = phy_base_read(phydev, MSCC_PHY_TEST_PAGE_8);
1398        reg |= TR_CLK_DISABLE;
1399        phy_base_write(phydev, MSCC_PHY_TEST_PAGE_8, reg);
1400
1401        phy_base_write(phydev, MSCC_EXT_PAGE_ACCESS, MSCC_PHY_PAGE_TR);
1402
1403        phy_base_write(phydev, MSCC_PHY_TR_CNTL, TR_WRITE | TR_ADDR(0x2fa4));
1404
1405        reg = phy_base_read(phydev, MSCC_PHY_TR_MSB);
1406        reg &= ~0x007f;
1407        reg |= 0x0019;
1408        phy_base_write(phydev, MSCC_PHY_TR_MSB, reg);
1409
1410        phy_base_write(phydev, MSCC_PHY_TR_CNTL, TR_WRITE | TR_ADDR(0x0fa4));
1411
1412        for (i = 0; i < ARRAY_SIZE(pre_init1); i++)
1413                vsc8584_csr_write(phydev, pre_init1[i].reg, pre_init1[i].val);
1414
1415        phy_base_write(phydev, MSCC_EXT_PAGE_ACCESS, MSCC_PHY_PAGE_EXTENDED_2);
1416
1417        phy_base_write(phydev, MSCC_PHY_CU_PMD_TX_CNTL, 0x028e);
1418
1419        phy_base_write(phydev, MSCC_EXT_PAGE_ACCESS, MSCC_PHY_PAGE_TR);
1420
1421        for (i = 0; i < ARRAY_SIZE(pre_init2); i++)
1422                vsc8584_csr_write(phydev, pre_init2[i].reg, pre_init2[i].val);
1423
1424        phy_base_write(phydev, MSCC_EXT_PAGE_ACCESS, MSCC_PHY_PAGE_TEST);
1425
1426        reg = phy_base_read(phydev, MSCC_PHY_TEST_PAGE_8);
1427        reg &= ~TR_CLK_DISABLE;
1428        phy_base_write(phydev, MSCC_PHY_TEST_PAGE_8, reg);
1429
1430        phy_base_write(phydev, MSCC_EXT_PAGE_ACCESS, MSCC_PHY_PAGE_STANDARD);
1431
1432        /* end of write broadcasting */
1433        reg = phy_base_read(phydev, MSCC_PHY_EXT_CNTL_STATUS);
1434        reg &= ~SMI_BROADCAST_WR_EN;
1435        phy_base_write(phydev, MSCC_PHY_EXT_CNTL_STATUS, reg);
1436
1437        ret = request_firmware(&fw, MSCC_VSC8584_REVB_INT8051_FW, dev);
1438        if (ret) {
1439                dev_err(dev, "failed to load firmware %s, ret: %d\n",
1440                        MSCC_VSC8584_REVB_INT8051_FW, ret);
1441                return ret;
1442        }
1443
1444        /* Add one byte to size for the one added by the patch_fw function */
1445        ret = vsc8584_get_fw_crc(phydev,
1446                                 MSCC_VSC8584_REVB_INT8051_FW_START_ADDR,
1447                                 fw->size + 1, &crc);
1448        if (ret)
1449                goto out;
1450
1451        if (crc != MSCC_VSC8584_REVB_INT8051_FW_CRC) {
1452                dev_dbg(dev, "FW CRC is not the expected one, patching FW\n");
1453                if (vsc8584_patch_fw(phydev, fw))
1454                        dev_warn(dev,
1455                                 "failed to patch FW, expect non-optimal device\n");
1456        }
1457
1458        vsc8584_micro_deassert_reset(phydev, false);
1459
1460        /* Add one byte to size for the one added by the patch_fw function */
1461        ret = vsc8584_get_fw_crc(phydev,
1462                                 MSCC_VSC8584_REVB_INT8051_FW_START_ADDR,
1463                                 fw->size + 1, &crc);
1464        if (ret)
1465                goto out;
1466
1467        if (crc != MSCC_VSC8584_REVB_INT8051_FW_CRC)
1468                dev_warn(dev,
1469                         "FW CRC after patching is not the expected one, expect non-optimal device\n");
1470
1471        ret = vsc8584_micro_assert_reset(phydev);
1472        if (ret)
1473                goto out;
1474
1475        /* Write patch vector 0, to skip IB cal polling  */
1476        phy_base_write(phydev, MSCC_EXT_PAGE_ACCESS, MSCC_PHY_PAGE_EXTENDED_GPIO);
1477        reg = MSCC_ROM_TRAP_SERDES_6G_CFG; /* ROM address to trap, for patch vector 0 */
1478        ret = phy_base_write(phydev, MSCC_TRAP_ROM_ADDR(1), reg);
1479        if (ret)
1480                goto out;
1481
1482        reg = MSCC_RAM_TRAP_SERDES_6G_CFG; /* RAM address to jump to, when patch vector 0 enabled */
1483        ret = phy_base_write(phydev, MSCC_PATCH_RAM_ADDR(1), reg);
1484        if (ret)
1485                goto out;
1486
1487        reg = phy_base_read(phydev, MSCC_INT_MEM_CNTL);
1488        reg |= PATCH_VEC_ZERO_EN; /* bit 8, enable patch vector 0 */
1489        ret = phy_base_write(phydev, MSCC_INT_MEM_CNTL, reg);
1490        if (ret)
1491                goto out;
1492
1493        vsc8584_micro_deassert_reset(phydev, true);
1494
1495out:
1496        phy_base_write(phydev, MSCC_EXT_PAGE_ACCESS, MSCC_PHY_PAGE_STANDARD);
1497
1498        release_firmware(fw);
1499
1500        return ret;
1501}
1502
1503static void vsc8584_get_base_addr(struct phy_device *phydev)
1504{
1505        struct vsc8531_private *vsc8531 = phydev->priv;
1506        u16 val, addr;
1507
1508        phy_lock_mdio_bus(phydev);
1509        __phy_write(phydev, MSCC_EXT_PAGE_ACCESS, MSCC_PHY_PAGE_EXTENDED);
1510
1511        addr = __phy_read(phydev, MSCC_PHY_EXT_PHY_CNTL_4);
1512        addr >>= PHY_CNTL_4_ADDR_POS;
1513
1514        val = __phy_read(phydev, MSCC_PHY_ACTIPHY_CNTL);
1515
1516        __phy_write(phydev, MSCC_EXT_PAGE_ACCESS, MSCC_PHY_PAGE_STANDARD);
1517        phy_unlock_mdio_bus(phydev);
1518
1519        /* In the package, there are two pairs of PHYs (PHY0 + PHY2 and
1520         * PHY1 + PHY3). The first PHY of each pair (PHY0 and PHY1) is
1521         * the base PHY for timestamping operations.
1522         */
1523        vsc8531->ts_base_addr = phydev->mdio.addr;
1524        vsc8531->ts_base_phy = addr;
1525
1526        if (val & PHY_ADDR_REVERSED) {
1527                vsc8531->base_addr = phydev->mdio.addr + addr;
1528                if (addr > 1) {
1529                        vsc8531->ts_base_addr += 2;
1530                        vsc8531->ts_base_phy += 2;
1531                }
1532        } else {
1533                vsc8531->base_addr = phydev->mdio.addr - addr;
1534                if (addr > 1) {
1535                        vsc8531->ts_base_addr -= 2;
1536                        vsc8531->ts_base_phy -= 2;
1537                }
1538        }
1539
1540        vsc8531->addr = addr;
1541}
1542
1543static void vsc85xx_coma_mode_release(struct phy_device *phydev)
1544{
1545        /* The coma mode (pin or reg) provides an optional feature that
1546         * may be used to control when the PHYs become active.
1547         * Alternatively the COMA_MODE pin may be connected low
1548         * so that the PHYs are fully active once out of reset.
1549         */
1550
1551        /* Enable output (mode=0) and write zero to it */
1552        vsc85xx_phy_write_page(phydev, MSCC_PHY_PAGE_EXTENDED_GPIO);
1553        __phy_modify(phydev, MSCC_PHY_GPIO_CONTROL_2,
1554                     MSCC_PHY_COMA_MODE | MSCC_PHY_COMA_OUTPUT, 0);
1555        vsc85xx_phy_write_page(phydev, MSCC_PHY_PAGE_STANDARD);
1556}
1557
1558static int vsc8584_config_host_serdes(struct phy_device *phydev)
1559{
1560        struct vsc8531_private *vsc8531 = phydev->priv;
1561        int ret;
1562        u16 val;
1563
1564        ret = phy_base_write(phydev, MSCC_EXT_PAGE_ACCESS,
1565                             MSCC_PHY_PAGE_EXTENDED_GPIO);
1566        if (ret)
1567                return ret;
1568
1569        val = phy_base_read(phydev, MSCC_PHY_MAC_CFG_FASTLINK);
1570        val &= ~MAC_CFG_MASK;
1571        if (phydev->interface == PHY_INTERFACE_MODE_QSGMII) {
1572                val |= MAC_CFG_QSGMII;
1573        } else if (phydev->interface == PHY_INTERFACE_MODE_SGMII) {
1574                val |= MAC_CFG_SGMII;
1575        } else {
1576                ret = -EINVAL;
1577                return ret;
1578        }
1579
1580        ret = phy_base_write(phydev, MSCC_PHY_MAC_CFG_FASTLINK, val);
1581        if (ret)
1582                return ret;
1583
1584        ret = phy_base_write(phydev, MSCC_EXT_PAGE_ACCESS,
1585                             MSCC_PHY_PAGE_STANDARD);
1586        if (ret)
1587                return ret;
1588
1589        val = PROC_CMD_MCB_ACCESS_MAC_CONF | PROC_CMD_RST_CONF_PORT |
1590                PROC_CMD_READ_MOD_WRITE_PORT;
1591        if (phydev->interface == PHY_INTERFACE_MODE_QSGMII)
1592                val |= PROC_CMD_QSGMII_MAC;
1593        else
1594                val |= PROC_CMD_SGMII_MAC;
1595
1596        ret = vsc8584_cmd(phydev, val);
1597        if (ret)
1598                return ret;
1599
1600        usleep_range(10000, 20000);
1601
1602        /* Disable SerDes for 100Base-FX */
1603        ret = vsc8584_cmd(phydev, PROC_CMD_FIBER_MEDIA_CONF |
1604                          PROC_CMD_FIBER_PORT(vsc8531->addr) |
1605                          PROC_CMD_FIBER_DISABLE |
1606                          PROC_CMD_READ_MOD_WRITE_PORT |
1607                          PROC_CMD_RST_CONF_PORT | PROC_CMD_FIBER_100BASE_FX);
1608        if (ret)
1609                return ret;
1610
1611        /* Disable SerDes for 1000Base-X */
1612        ret = vsc8584_cmd(phydev, PROC_CMD_FIBER_MEDIA_CONF |
1613                          PROC_CMD_FIBER_PORT(vsc8531->addr) |
1614                          PROC_CMD_FIBER_DISABLE |
1615                          PROC_CMD_READ_MOD_WRITE_PORT |
1616                          PROC_CMD_RST_CONF_PORT | PROC_CMD_FIBER_1000BASE_X);
1617        if (ret)
1618                return ret;
1619
1620        return vsc85xx_sd6g_config_v2(phydev);
1621}
1622
1623static int vsc8574_config_host_serdes(struct phy_device *phydev)
1624{
1625        struct vsc8531_private *vsc8531 = phydev->priv;
1626        int ret;
1627        u16 val;
1628
1629        ret = phy_base_write(phydev, MSCC_EXT_PAGE_ACCESS,
1630                             MSCC_PHY_PAGE_EXTENDED_GPIO);
1631        if (ret)
1632                return ret;
1633
1634        val = phy_base_read(phydev, MSCC_PHY_MAC_CFG_FASTLINK);
1635        val &= ~MAC_CFG_MASK;
1636        if (phydev->interface == PHY_INTERFACE_MODE_QSGMII) {
1637                val |= MAC_CFG_QSGMII;
1638        } else if (phydev->interface == PHY_INTERFACE_MODE_SGMII) {
1639                val |= MAC_CFG_SGMII;
1640        } else if (phy_interface_is_rgmii(phydev)) {
1641                val |= MAC_CFG_RGMII;
1642        } else {
1643                ret = -EINVAL;
1644                return ret;
1645        }
1646
1647        ret = phy_base_write(phydev, MSCC_PHY_MAC_CFG_FASTLINK, val);
1648        if (ret)
1649                return ret;
1650
1651        ret = phy_base_write(phydev, MSCC_EXT_PAGE_ACCESS,
1652                             MSCC_PHY_PAGE_STANDARD);
1653        if (ret)
1654                return ret;
1655
1656        if (!phy_interface_is_rgmii(phydev)) {
1657                val = PROC_CMD_MCB_ACCESS_MAC_CONF | PROC_CMD_RST_CONF_PORT |
1658                        PROC_CMD_READ_MOD_WRITE_PORT;
1659                if (phydev->interface == PHY_INTERFACE_MODE_QSGMII)
1660                        val |= PROC_CMD_QSGMII_MAC;
1661                else
1662                        val |= PROC_CMD_SGMII_MAC;
1663
1664                ret = vsc8584_cmd(phydev, val);
1665                if (ret)
1666                        return ret;
1667
1668                usleep_range(10000, 20000);
1669        }
1670
1671        /* Disable SerDes for 100Base-FX */
1672        ret = vsc8584_cmd(phydev, PROC_CMD_FIBER_MEDIA_CONF |
1673                          PROC_CMD_FIBER_PORT(vsc8531->addr) |
1674                          PROC_CMD_FIBER_DISABLE |
1675                          PROC_CMD_READ_MOD_WRITE_PORT |
1676                          PROC_CMD_RST_CONF_PORT | PROC_CMD_FIBER_100BASE_FX);
1677        if (ret)
1678                return ret;
1679
1680        /* Disable SerDes for 1000Base-X */
1681        return vsc8584_cmd(phydev, PROC_CMD_FIBER_MEDIA_CONF |
1682                           PROC_CMD_FIBER_PORT(vsc8531->addr) |
1683                           PROC_CMD_FIBER_DISABLE |
1684                           PROC_CMD_READ_MOD_WRITE_PORT |
1685                           PROC_CMD_RST_CONF_PORT | PROC_CMD_FIBER_1000BASE_X);
1686}
1687
1688static int vsc8584_config_init(struct phy_device *phydev)
1689{
1690        struct vsc8531_private *vsc8531 = phydev->priv;
1691        int ret, i;
1692        u16 val;
1693
1694        phydev->mdix_ctrl = ETH_TP_MDI_AUTO;
1695
1696        phy_lock_mdio_bus(phydev);
1697
1698        /* Some parts of the init sequence are identical for every PHY in the
1699         * package. Some parts are modifying the GPIO register bank which is a
1700         * set of registers that are affecting all PHYs, a few resetting the
1701         * microprocessor common to all PHYs. The CRC check responsible of the
1702         * checking the firmware within the 8051 microprocessor can only be
1703         * accessed via the PHY whose internal address in the package is 0.
1704         * All PHYs' interrupts mask register has to be zeroed before enabling
1705         * any PHY's interrupt in this register.
1706         * For all these reasons, we need to do the init sequence once and only
1707         * once whatever is the first PHY in the package that is initialized and
1708         * do the correct init sequence for all PHYs that are package-critical
1709         * in this pre-init function.
1710         */
1711        if (phy_package_init_once(phydev)) {
1712                /* The following switch statement assumes that the lowest
1713                 * nibble of the phy_id_mask is always 0. This works because
1714                 * the lowest nibble of the PHY_ID's below are also 0.
1715                 */
1716                WARN_ON(phydev->drv->phy_id_mask & 0xf);
1717
1718                switch (phydev->phy_id & phydev->drv->phy_id_mask) {
1719                case PHY_ID_VSC8504:
1720                case PHY_ID_VSC8552:
1721                case PHY_ID_VSC8572:
1722                case PHY_ID_VSC8574:
1723                        ret = vsc8574_config_pre_init(phydev);
1724                        if (ret)
1725                                goto err;
1726                        ret = vsc8574_config_host_serdes(phydev);
1727                        if (ret)
1728                                goto err;
1729                        break;
1730                case PHY_ID_VSC856X:
1731                case PHY_ID_VSC8575:
1732                case PHY_ID_VSC8582:
1733                case PHY_ID_VSC8584:
1734                        ret = vsc8584_config_pre_init(phydev);
1735                        if (ret)
1736                                goto err;
1737                        ret = vsc8584_config_host_serdes(phydev);
1738                        if (ret)
1739                                goto err;
1740                        vsc85xx_coma_mode_release(phydev);
1741                        break;
1742                default:
1743                        ret = -EINVAL;
1744                        break;
1745                }
1746
1747                if (ret)
1748                        goto err;
1749        }
1750
1751        phy_unlock_mdio_bus(phydev);
1752
1753        ret = vsc8584_macsec_init(phydev);
1754        if (ret)
1755                return ret;
1756
1757        ret = vsc8584_ptp_init(phydev);
1758        if (ret)
1759                return ret;
1760
1761        val = phy_read(phydev, MSCC_PHY_EXT_PHY_CNTL_1);
1762        val &= ~(MEDIA_OP_MODE_MASK | VSC8584_MAC_IF_SELECTION_MASK);
1763        val |= (MEDIA_OP_MODE_COPPER << MEDIA_OP_MODE_POS) |
1764               (VSC8584_MAC_IF_SELECTION_SGMII << VSC8584_MAC_IF_SELECTION_POS);
1765        ret = phy_write(phydev, MSCC_PHY_EXT_PHY_CNTL_1, val);
1766        if (ret)
1767                return ret;
1768
1769        if (phy_interface_is_rgmii(phydev)) {
1770                ret = vsc85xx_rgmii_set_skews(phydev, VSC8572_RGMII_CNTL,
1771                                              VSC8572_RGMII_RX_DELAY_MASK,
1772                                              VSC8572_RGMII_TX_DELAY_MASK);
1773                if (ret)
1774                        return ret;
1775        }
1776
1777        ret = genphy_soft_reset(phydev);
1778        if (ret)
1779                return ret;
1780
1781        for (i = 0; i < vsc8531->nleds; i++) {
1782                ret = vsc85xx_led_cntl_set(phydev, i, vsc8531->leds_mode[i]);
1783                if (ret)
1784                        return ret;
1785        }
1786
1787        return 0;
1788
1789err:
1790        phy_unlock_mdio_bus(phydev);
1791        return ret;
1792}
1793
1794static irqreturn_t vsc8584_handle_interrupt(struct phy_device *phydev)
1795{
1796        irqreturn_t ret;
1797        int irq_status;
1798
1799        irq_status = phy_read(phydev, MII_VSC85XX_INT_STATUS);
1800        if (irq_status < 0)
1801                return IRQ_NONE;
1802
1803        /* Timestamping IRQ does not set a bit in the global INT_STATUS, so
1804         * irq_status would be 0.
1805         */
1806        ret = vsc8584_handle_ts_interrupt(phydev);
1807        if (!(irq_status & MII_VSC85XX_INT_MASK_MASK))
1808                return ret;
1809
1810        if (irq_status & MII_VSC85XX_INT_MASK_EXT)
1811                vsc8584_handle_macsec_interrupt(phydev);
1812
1813        if (irq_status & MII_VSC85XX_INT_MASK_LINK_CHG)
1814                phy_trigger_machine(phydev);
1815
1816        return IRQ_HANDLED;
1817}
1818
1819static int vsc85xx_config_init(struct phy_device *phydev)
1820{
1821        int rc, i, phy_id;
1822        struct vsc8531_private *vsc8531 = phydev->priv;
1823
1824        rc = vsc85xx_default_config(phydev);
1825        if (rc)
1826                return rc;
1827
1828        rc = vsc85xx_mac_if_set(phydev, phydev->interface);
1829        if (rc)
1830                return rc;
1831
1832        rc = vsc85xx_edge_rate_cntl_set(phydev, vsc8531->rate_magic);
1833        if (rc)
1834                return rc;
1835
1836        phy_id = phydev->drv->phy_id & phydev->drv->phy_id_mask;
1837        if (PHY_ID_VSC8531 == phy_id || PHY_ID_VSC8541 == phy_id ||
1838            PHY_ID_VSC8530 == phy_id || PHY_ID_VSC8540 == phy_id) {
1839                rc = vsc8531_pre_init_seq_set(phydev);
1840                if (rc)
1841                        return rc;
1842        }
1843
1844        rc = vsc85xx_eee_init_seq_set(phydev);
1845        if (rc)
1846                return rc;
1847
1848        for (i = 0; i < vsc8531->nleds; i++) {
1849                rc = vsc85xx_led_cntl_set(phydev, i, vsc8531->leds_mode[i]);
1850                if (rc)
1851                        return rc;
1852        }
1853
1854        return 0;
1855}
1856
1857static int __phy_write_mcb_s6g(struct phy_device *phydev, u32 reg, u8 mcb,
1858                               u32 op)
1859{
1860        unsigned long deadline;
1861        u32 val;
1862        int ret;
1863
1864        ret = vsc85xx_csr_write(phydev, PHY_MCB_TARGET, reg,
1865                                op | (1 << mcb));
1866        if (ret)
1867                return -EINVAL;
1868
1869        deadline = jiffies + msecs_to_jiffies(PROC_CMD_NCOMPLETED_TIMEOUT_MS);
1870        do {
1871                usleep_range(500, 1000);
1872                val = vsc85xx_csr_read(phydev, PHY_MCB_TARGET, reg);
1873
1874                if (val == 0xffffffff)
1875                        return -EIO;
1876
1877        } while (time_before(jiffies, deadline) && (val & op));
1878
1879        if (val & op)
1880                return -ETIMEDOUT;
1881
1882        return 0;
1883}
1884
1885/* Trigger a read to the specified MCB */
1886int phy_update_mcb_s6g(struct phy_device *phydev, u32 reg, u8 mcb)
1887{
1888        return __phy_write_mcb_s6g(phydev, reg, mcb, PHY_MCB_S6G_READ);
1889}
1890
1891/* Trigger a write to the specified MCB */
1892int phy_commit_mcb_s6g(struct phy_device *phydev, u32 reg, u8 mcb)
1893{
1894        return __phy_write_mcb_s6g(phydev, reg, mcb, PHY_MCB_S6G_WRITE);
1895}
1896
1897static int vsc8514_config_host_serdes(struct phy_device *phydev)
1898{
1899        int ret;
1900        u16 val;
1901
1902        ret = phy_base_write(phydev, MSCC_EXT_PAGE_ACCESS,
1903                             MSCC_PHY_PAGE_EXTENDED_GPIO);
1904        if (ret)
1905                return ret;
1906
1907        val = phy_base_read(phydev, MSCC_PHY_MAC_CFG_FASTLINK);
1908        val &= ~MAC_CFG_MASK;
1909        val |= MAC_CFG_QSGMII;
1910        ret = phy_base_write(phydev, MSCC_PHY_MAC_CFG_FASTLINK, val);
1911        if (ret)
1912                return ret;
1913
1914        ret = phy_base_write(phydev, MSCC_EXT_PAGE_ACCESS,
1915                             MSCC_PHY_PAGE_STANDARD);
1916        if (ret)
1917                return ret;
1918
1919        ret = vsc8584_cmd(phydev, PROC_CMD_NOP);
1920        if (ret)
1921                return ret;
1922
1923        ret = vsc8584_cmd(phydev,
1924                          PROC_CMD_MCB_ACCESS_MAC_CONF |
1925                          PROC_CMD_RST_CONF_PORT |
1926                          PROC_CMD_READ_MOD_WRITE_PORT | PROC_CMD_QSGMII_MAC);
1927        if (ret) {
1928                dev_err(&phydev->mdio.dev, "%s: QSGMII error: %d\n",
1929                        __func__, ret);
1930                return ret;
1931        }
1932
1933        /* Apply 6G SerDes FOJI Algorithm
1934         *  Initial condition requirement:
1935         *  1. hold 8051 in reset
1936         *  2. disable patch vector 0, in order to allow IB cal poll during FoJi
1937         *  3. deassert 8051 reset after change patch vector status
1938         *  4. proceed with FoJi (vsc85xx_sd6g_config_v2)
1939         */
1940        vsc8584_micro_assert_reset(phydev);
1941        val = phy_base_read(phydev, MSCC_INT_MEM_CNTL);
1942        /* clear bit 8, to disable patch vector 0 */
1943        val &= ~PATCH_VEC_ZERO_EN;
1944        ret = phy_base_write(phydev, MSCC_INT_MEM_CNTL, val);
1945        /* Enable 8051 clock, don't set patch present, disable PRAM clock override */
1946        vsc8584_micro_deassert_reset(phydev, false);
1947
1948        return vsc85xx_sd6g_config_v2(phydev);
1949}
1950
1951static int vsc8514_config_pre_init(struct phy_device *phydev)
1952{
1953        /* These are the settings to override the silicon default
1954         * values to handle hardware performance of PHY. They
1955         * are set at Power-On state and remain until PHY Reset.
1956         */
1957        static const struct reg_val pre_init1[] = {
1958                {0x0f90, 0x00688980},
1959                {0x0786, 0x00000003},
1960                {0x07fa, 0x0050100f},
1961                {0x0f82, 0x0012b002},
1962                {0x1686, 0x00000004},
1963                {0x168c, 0x00d2c46f},
1964                {0x17a2, 0x00000620},
1965                {0x16a0, 0x00eeffdd},
1966                {0x16a6, 0x00071448},
1967                {0x16a4, 0x0013132f},
1968                {0x16a8, 0x00000000},
1969                {0x0ffc, 0x00c0a028},
1970                {0x0fe8, 0x0091b06c},
1971                {0x0fea, 0x00041600},
1972                {0x0f80, 0x00fffaff},
1973                {0x0fec, 0x00901809},
1974                {0x0ffe, 0x00b01007},
1975                {0x16b0, 0x00eeff00},
1976                {0x16b2, 0x00007000},
1977                {0x16b4, 0x00000814},
1978        };
1979        struct device *dev = &phydev->mdio.dev;
1980        unsigned int i;
1981        u16 reg;
1982        int ret;
1983
1984        ret = vsc8584_pll5g_reset(phydev);
1985        if (ret < 0) {
1986                dev_err(dev, "failed LCPLL reset, ret: %d\n", ret);
1987                return ret;
1988        }
1989
1990        phy_base_write(phydev, MSCC_EXT_PAGE_ACCESS, MSCC_PHY_PAGE_STANDARD);
1991
1992        /* all writes below are broadcasted to all PHYs in the same package */
1993        reg = phy_base_read(phydev, MSCC_PHY_EXT_CNTL_STATUS);
1994        reg |= SMI_BROADCAST_WR_EN;
1995        phy_base_write(phydev, MSCC_PHY_EXT_CNTL_STATUS, reg);
1996
1997        phy_base_write(phydev, MSCC_EXT_PAGE_ACCESS, MSCC_PHY_PAGE_TEST);
1998
1999        reg = phy_base_read(phydev, MSCC_PHY_TEST_PAGE_8);
2000        reg |= BIT(15);
2001        phy_base_write(phydev, MSCC_PHY_TEST_PAGE_8, reg);
2002
2003        phy_base_write(phydev, MSCC_EXT_PAGE_ACCESS, MSCC_PHY_PAGE_TR);
2004
2005        for (i = 0; i < ARRAY_SIZE(pre_init1); i++)
2006                vsc8584_csr_write(phydev, pre_init1[i].reg, pre_init1[i].val);
2007
2008        phy_base_write(phydev, MSCC_EXT_PAGE_ACCESS, MSCC_PHY_PAGE_TEST);
2009
2010        reg = phy_base_read(phydev, MSCC_PHY_TEST_PAGE_8);
2011        reg &= ~BIT(15);
2012        phy_base_write(phydev, MSCC_PHY_TEST_PAGE_8, reg);
2013
2014        phy_base_write(phydev, MSCC_EXT_PAGE_ACCESS, MSCC_PHY_PAGE_STANDARD);
2015
2016        reg = phy_base_read(phydev, MSCC_PHY_EXT_CNTL_STATUS);
2017        reg &= ~SMI_BROADCAST_WR_EN;
2018        phy_base_write(phydev, MSCC_PHY_EXT_CNTL_STATUS, reg);
2019
2020        /* Add pre-patching commands to:
2021         * 1. enable 8051 clock, operate 8051 clock at 125 MHz
2022         * instead of HW default 62.5MHz
2023         * 2. write patch vector 0, to skip IB cal polling executed
2024         * as part of the 0x80E0 ROM command
2025         */
2026        vsc8584_micro_deassert_reset(phydev, false);
2027
2028        vsc8584_micro_assert_reset(phydev);
2029        phy_base_write(phydev, MSCC_EXT_PAGE_ACCESS,
2030                       MSCC_PHY_PAGE_EXTENDED_GPIO);
2031        /* ROM address to trap, for patch vector 0 */
2032        reg = MSCC_ROM_TRAP_SERDES_6G_CFG;
2033        ret = phy_base_write(phydev, MSCC_TRAP_ROM_ADDR(1), reg);
2034        if (ret)
2035                goto err;
2036        /* RAM address to jump to, when patch vector 0 enabled */
2037        reg = MSCC_RAM_TRAP_SERDES_6G_CFG;
2038        ret = phy_base_write(phydev, MSCC_PATCH_RAM_ADDR(1), reg);
2039        if (ret)
2040                goto err;
2041        reg = phy_base_read(phydev, MSCC_INT_MEM_CNTL);
2042        reg |= PATCH_VEC_ZERO_EN; /* bit 8, enable patch vector 0 */
2043        ret = phy_base_write(phydev, MSCC_INT_MEM_CNTL, reg);
2044        if (ret)
2045                goto err;
2046
2047        /* Enable 8051 clock, don't set patch present
2048         * yet, disable PRAM clock override
2049         */
2050        vsc8584_micro_deassert_reset(phydev, false);
2051        return ret;
2052 err:
2053        /* restore 8051 and bail w error */
2054        vsc8584_micro_deassert_reset(phydev, false);
2055        return ret;
2056}
2057
2058static int vsc8514_config_init(struct phy_device *phydev)
2059{
2060        struct vsc8531_private *vsc8531 = phydev->priv;
2061        int ret, i;
2062
2063        phydev->mdix_ctrl = ETH_TP_MDI_AUTO;
2064
2065        phy_lock_mdio_bus(phydev);
2066
2067        /* Some parts of the init sequence are identical for every PHY in the
2068         * package. Some parts are modifying the GPIO register bank which is a
2069         * set of registers that are affecting all PHYs, a few resetting the
2070         * microprocessor common to all PHYs.
2071         * All PHYs' interrupts mask register has to be zeroed before enabling
2072         * any PHY's interrupt in this register.
2073         * For all these reasons, we need to do the init sequence once and only
2074         * once whatever is the first PHY in the package that is initialized and
2075         * do the correct init sequence for all PHYs that are package-critical
2076         * in this pre-init function.
2077         */
2078        if (phy_package_init_once(phydev)) {
2079                ret = vsc8514_config_pre_init(phydev);
2080                if (ret)
2081                        goto err;
2082                ret = vsc8514_config_host_serdes(phydev);
2083                if (ret)
2084                        goto err;
2085                vsc85xx_coma_mode_release(phydev);
2086        }
2087
2088        phy_unlock_mdio_bus(phydev);
2089
2090        ret = phy_modify(phydev, MSCC_PHY_EXT_PHY_CNTL_1, MEDIA_OP_MODE_MASK,
2091                         MEDIA_OP_MODE_COPPER << MEDIA_OP_MODE_POS);
2092
2093        if (ret)
2094                return ret;
2095
2096        ret = genphy_soft_reset(phydev);
2097
2098        if (ret)
2099                return ret;
2100
2101        for (i = 0; i < vsc8531->nleds; i++) {
2102                ret = vsc85xx_led_cntl_set(phydev, i, vsc8531->leds_mode[i]);
2103                if (ret)
2104                        return ret;
2105        }
2106
2107        return ret;
2108
2109err:
2110        phy_unlock_mdio_bus(phydev);
2111        return ret;
2112}
2113
2114static int vsc85xx_ack_interrupt(struct phy_device *phydev)
2115{
2116        int rc = 0;
2117
2118        if (phydev->interrupts == PHY_INTERRUPT_ENABLED)
2119                rc = phy_read(phydev, MII_VSC85XX_INT_STATUS);
2120
2121        return (rc < 0) ? rc : 0;
2122}
2123
2124static int vsc85xx_config_intr(struct phy_device *phydev)
2125{
2126        int rc;
2127
2128        if (phydev->interrupts == PHY_INTERRUPT_ENABLED) {
2129                rc = vsc85xx_ack_interrupt(phydev);
2130                if (rc)
2131                        return rc;
2132
2133                vsc8584_config_macsec_intr(phydev);
2134                vsc8584_config_ts_intr(phydev);
2135
2136                rc = phy_write(phydev, MII_VSC85XX_INT_MASK,
2137                               MII_VSC85XX_INT_MASK_MASK);
2138        } else {
2139                rc = phy_write(phydev, MII_VSC85XX_INT_MASK, 0);
2140                if (rc < 0)
2141                        return rc;
2142                rc = phy_read(phydev, MII_VSC85XX_INT_STATUS);
2143                if (rc < 0)
2144                        return rc;
2145
2146                rc = vsc85xx_ack_interrupt(phydev);
2147        }
2148
2149        return rc;
2150}
2151
2152static irqreturn_t vsc85xx_handle_interrupt(struct phy_device *phydev)
2153{
2154        int irq_status;
2155
2156        irq_status = phy_read(phydev, MII_VSC85XX_INT_STATUS);
2157        if (irq_status < 0) {
2158                phy_error(phydev);
2159                return IRQ_NONE;
2160        }
2161
2162        if (!(irq_status & MII_VSC85XX_INT_MASK_MASK))
2163                return IRQ_NONE;
2164
2165        phy_trigger_machine(phydev);
2166
2167        return IRQ_HANDLED;
2168}
2169
2170static int vsc85xx_config_aneg(struct phy_device *phydev)
2171{
2172        int rc;
2173
2174        rc = vsc85xx_mdix_set(phydev, phydev->mdix_ctrl);
2175        if (rc < 0)
2176                return rc;
2177
2178        return genphy_config_aneg(phydev);
2179}
2180
2181static int vsc85xx_read_status(struct phy_device *phydev)
2182{
2183        int rc;
2184
2185        rc = vsc85xx_mdix_get(phydev, &phydev->mdix);
2186        if (rc < 0)
2187                return rc;
2188
2189        return genphy_read_status(phydev);
2190}
2191
2192static int vsc8514_probe(struct phy_device *phydev)
2193{
2194        struct vsc8531_private *vsc8531;
2195        u32 default_mode[4] = {VSC8531_LINK_1000_ACTIVITY,
2196           VSC8531_LINK_100_ACTIVITY, VSC8531_LINK_ACTIVITY,
2197           VSC8531_DUPLEX_COLLISION};
2198
2199        vsc8531 = devm_kzalloc(&phydev->mdio.dev, sizeof(*vsc8531), GFP_KERNEL);
2200        if (!vsc8531)
2201                return -ENOMEM;
2202
2203        phydev->priv = vsc8531;
2204
2205        vsc8584_get_base_addr(phydev);
2206        devm_phy_package_join(&phydev->mdio.dev, phydev,
2207                              vsc8531->base_addr, 0);
2208
2209        vsc8531->nleds = 4;
2210        vsc8531->supp_led_modes = VSC85XX_SUPP_LED_MODES;
2211        vsc8531->hw_stats = vsc85xx_hw_stats;
2212        vsc8531->nstats = ARRAY_SIZE(vsc85xx_hw_stats);
2213        vsc8531->stats = devm_kcalloc(&phydev->mdio.dev, vsc8531->nstats,
2214                                      sizeof(u64), GFP_KERNEL);
2215        if (!vsc8531->stats)
2216                return -ENOMEM;
2217
2218        return vsc85xx_dt_led_modes_get(phydev, default_mode);
2219}
2220
2221static int vsc8574_probe(struct phy_device *phydev)
2222{
2223        struct vsc8531_private *vsc8531;
2224        u32 default_mode[4] = {VSC8531_LINK_1000_ACTIVITY,
2225           VSC8531_LINK_100_ACTIVITY, VSC8531_LINK_ACTIVITY,
2226           VSC8531_DUPLEX_COLLISION};
2227
2228        vsc8531 = devm_kzalloc(&phydev->mdio.dev, sizeof(*vsc8531), GFP_KERNEL);
2229        if (!vsc8531)
2230                return -ENOMEM;
2231
2232        phydev->priv = vsc8531;
2233
2234        vsc8584_get_base_addr(phydev);
2235        devm_phy_package_join(&phydev->mdio.dev, phydev,
2236                              vsc8531->base_addr, 0);
2237
2238        vsc8531->nleds = 4;
2239        vsc8531->supp_led_modes = VSC8584_SUPP_LED_MODES;
2240        vsc8531->hw_stats = vsc8584_hw_stats;
2241        vsc8531->nstats = ARRAY_SIZE(vsc8584_hw_stats);
2242        vsc8531->stats = devm_kcalloc(&phydev->mdio.dev, vsc8531->nstats,
2243                                      sizeof(u64), GFP_KERNEL);
2244        if (!vsc8531->stats)
2245                return -ENOMEM;
2246
2247        return vsc85xx_dt_led_modes_get(phydev, default_mode);
2248}
2249
2250static int vsc8584_probe(struct phy_device *phydev)
2251{
2252        struct vsc8531_private *vsc8531;
2253        u32 default_mode[4] = {VSC8531_LINK_1000_ACTIVITY,
2254           VSC8531_LINK_100_ACTIVITY, VSC8531_LINK_ACTIVITY,
2255           VSC8531_DUPLEX_COLLISION};
2256        int ret;
2257
2258        if ((phydev->phy_id & MSCC_DEV_REV_MASK) != VSC8584_REVB) {
2259                dev_err(&phydev->mdio.dev, "Only VSC8584 revB is supported.\n");
2260                return -ENOTSUPP;
2261        }
2262
2263        vsc8531 = devm_kzalloc(&phydev->mdio.dev, sizeof(*vsc8531), GFP_KERNEL);
2264        if (!vsc8531)
2265                return -ENOMEM;
2266
2267        phydev->priv = vsc8531;
2268
2269        vsc8584_get_base_addr(phydev);
2270        devm_phy_package_join(&phydev->mdio.dev, phydev, vsc8531->base_addr,
2271                              sizeof(struct vsc85xx_shared_private));
2272
2273        vsc8531->nleds = 4;
2274        vsc8531->supp_led_modes = VSC8584_SUPP_LED_MODES;
2275        vsc8531->hw_stats = vsc8584_hw_stats;
2276        vsc8531->nstats = ARRAY_SIZE(vsc8584_hw_stats);
2277        vsc8531->stats = devm_kcalloc(&phydev->mdio.dev, vsc8531->nstats,
2278                                      sizeof(u64), GFP_KERNEL);
2279        if (!vsc8531->stats)
2280                return -ENOMEM;
2281
2282        if (phy_package_probe_once(phydev)) {
2283                ret = vsc8584_ptp_probe_once(phydev);
2284                if (ret)
2285                        return ret;
2286        }
2287
2288        ret = vsc8584_ptp_probe(phydev);
2289        if (ret)
2290                return ret;
2291
2292        return vsc85xx_dt_led_modes_get(phydev, default_mode);
2293}
2294
2295static int vsc85xx_probe(struct phy_device *phydev)
2296{
2297        struct vsc8531_private *vsc8531;
2298        int rate_magic;
2299        u32 default_mode[2] = {VSC8531_LINK_1000_ACTIVITY,
2300           VSC8531_LINK_100_ACTIVITY};
2301
2302        rate_magic = vsc85xx_edge_rate_magic_get(phydev);
2303        if (rate_magic < 0)
2304                return rate_magic;
2305
2306        vsc8531 = devm_kzalloc(&phydev->mdio.dev, sizeof(*vsc8531), GFP_KERNEL);
2307        if (!vsc8531)
2308                return -ENOMEM;
2309
2310        phydev->priv = vsc8531;
2311
2312        vsc8531->rate_magic = rate_magic;
2313        vsc8531->nleds = 2;
2314        vsc8531->supp_led_modes = VSC85XX_SUPP_LED_MODES;
2315        vsc8531->hw_stats = vsc85xx_hw_stats;
2316        vsc8531->nstats = ARRAY_SIZE(vsc85xx_hw_stats);
2317        vsc8531->stats = devm_kcalloc(&phydev->mdio.dev, vsc8531->nstats,
2318                                      sizeof(u64), GFP_KERNEL);
2319        if (!vsc8531->stats)
2320                return -ENOMEM;
2321
2322        return vsc85xx_dt_led_modes_get(phydev, default_mode);
2323}
2324
2325/* Microsemi VSC85xx PHYs */
2326static struct phy_driver vsc85xx_driver[] = {
2327{
2328        .phy_id         = PHY_ID_VSC8502,
2329        .name           = "Microsemi GE VSC8502 SyncE",
2330        .phy_id_mask    = 0xfffffff0,
2331        /* PHY_BASIC_FEATURES */
2332        .soft_reset     = &genphy_soft_reset,
2333        .config_init    = &vsc85xx_config_init,
2334        .config_aneg    = &vsc85xx_config_aneg,
2335        .read_status    = &vsc85xx_read_status,
2336        .handle_interrupt = vsc85xx_handle_interrupt,
2337        .config_intr    = &vsc85xx_config_intr,
2338        .suspend        = &genphy_suspend,
2339        .resume         = &genphy_resume,
2340        .probe          = &vsc85xx_probe,
2341        .set_wol        = &vsc85xx_wol_set,
2342        .get_wol        = &vsc85xx_wol_get,
2343        .get_tunable    = &vsc85xx_get_tunable,
2344        .set_tunable    = &vsc85xx_set_tunable,
2345        .read_page      = &vsc85xx_phy_read_page,
2346        .write_page     = &vsc85xx_phy_write_page,
2347        .get_sset_count = &vsc85xx_get_sset_count,
2348        .get_strings    = &vsc85xx_get_strings,
2349        .get_stats      = &vsc85xx_get_stats,
2350},
2351{
2352        .phy_id         = PHY_ID_VSC8504,
2353        .name           = "Microsemi GE VSC8504 SyncE",
2354        .phy_id_mask    = 0xfffffff0,
2355        /* PHY_GBIT_FEATURES */
2356        .soft_reset     = &genphy_soft_reset,
2357        .config_init    = &vsc8584_config_init,
2358        .config_aneg    = &vsc85xx_config_aneg,
2359        .aneg_done      = &genphy_aneg_done,
2360        .read_status    = &vsc85xx_read_status,
2361        .handle_interrupt = vsc85xx_handle_interrupt,
2362        .config_intr    = &vsc85xx_config_intr,
2363        .suspend        = &genphy_suspend,
2364        .resume         = &genphy_resume,
2365        .probe          = &vsc8574_probe,
2366        .set_wol        = &vsc85xx_wol_set,
2367        .get_wol        = &vsc85xx_wol_get,
2368        .get_tunable    = &vsc85xx_get_tunable,
2369        .set_tunable    = &vsc85xx_set_tunable,
2370        .read_page      = &vsc85xx_phy_read_page,
2371        .write_page     = &vsc85xx_phy_write_page,
2372        .get_sset_count = &vsc85xx_get_sset_count,
2373        .get_strings    = &vsc85xx_get_strings,
2374        .get_stats      = &vsc85xx_get_stats,
2375},
2376{
2377        .phy_id         = PHY_ID_VSC8514,
2378        .name           = "Microsemi GE VSC8514 SyncE",
2379        .phy_id_mask    = 0xfffffff0,
2380        .soft_reset     = &genphy_soft_reset,
2381        .config_init    = &vsc8514_config_init,
2382        .config_aneg    = &vsc85xx_config_aneg,
2383        .read_status    = &vsc85xx_read_status,
2384        .handle_interrupt = vsc85xx_handle_interrupt,
2385        .config_intr    = &vsc85xx_config_intr,
2386        .suspend        = &genphy_suspend,
2387        .resume         = &genphy_resume,
2388        .probe          = &vsc8514_probe,
2389        .set_wol        = &vsc85xx_wol_set,
2390        .get_wol        = &vsc85xx_wol_get,
2391        .get_tunable    = &vsc85xx_get_tunable,
2392        .set_tunable    = &vsc85xx_set_tunable,
2393        .read_page      = &vsc85xx_phy_read_page,
2394        .write_page     = &vsc85xx_phy_write_page,
2395        .get_sset_count = &vsc85xx_get_sset_count,
2396        .get_strings    = &vsc85xx_get_strings,
2397        .get_stats      = &vsc85xx_get_stats,
2398},
2399{
2400        .phy_id         = PHY_ID_VSC8530,
2401        .name           = "Microsemi FE VSC8530",
2402        .phy_id_mask    = 0xfffffff0,
2403        /* PHY_BASIC_FEATURES */
2404        .soft_reset     = &genphy_soft_reset,
2405        .config_init    = &vsc85xx_config_init,
2406        .config_aneg    = &vsc85xx_config_aneg,
2407        .read_status    = &vsc85xx_read_status,
2408        .handle_interrupt = vsc85xx_handle_interrupt,
2409        .config_intr    = &vsc85xx_config_intr,
2410        .suspend        = &genphy_suspend,
2411        .resume         = &genphy_resume,
2412        .probe          = &vsc85xx_probe,
2413        .set_wol        = &vsc85xx_wol_set,
2414        .get_wol        = &vsc85xx_wol_get,
2415        .get_tunable    = &vsc85xx_get_tunable,
2416        .set_tunable    = &vsc85xx_set_tunable,
2417        .read_page      = &vsc85xx_phy_read_page,
2418        .write_page     = &vsc85xx_phy_write_page,
2419        .get_sset_count = &vsc85xx_get_sset_count,
2420        .get_strings    = &vsc85xx_get_strings,
2421        .get_stats      = &vsc85xx_get_stats,
2422},
2423{
2424        .phy_id         = PHY_ID_VSC8531,
2425        .name           = "Microsemi VSC8531",
2426        .phy_id_mask    = 0xfffffff0,
2427        /* PHY_GBIT_FEATURES */
2428        .soft_reset     = &genphy_soft_reset,
2429        .config_init    = &vsc85xx_config_init,
2430        .config_aneg    = &vsc85xx_config_aneg,
2431        .read_status    = &vsc85xx_read_status,
2432        .handle_interrupt = vsc85xx_handle_interrupt,
2433        .config_intr    = &vsc85xx_config_intr,
2434        .suspend        = &genphy_suspend,
2435        .resume         = &genphy_resume,
2436        .probe          = &vsc85xx_probe,
2437        .set_wol        = &vsc85xx_wol_set,
2438        .get_wol        = &vsc85xx_wol_get,
2439        .get_tunable    = &vsc85xx_get_tunable,
2440        .set_tunable    = &vsc85xx_set_tunable,
2441        .read_page      = &vsc85xx_phy_read_page,
2442        .write_page     = &vsc85xx_phy_write_page,
2443        .get_sset_count = &vsc85xx_get_sset_count,
2444        .get_strings    = &vsc85xx_get_strings,
2445        .get_stats      = &vsc85xx_get_stats,
2446},
2447{
2448        .phy_id         = PHY_ID_VSC8540,
2449        .name           = "Microsemi FE VSC8540 SyncE",
2450        .phy_id_mask    = 0xfffffff0,
2451        /* PHY_BASIC_FEATURES */
2452        .soft_reset     = &genphy_soft_reset,
2453        .config_init    = &vsc85xx_config_init,
2454        .config_aneg    = &vsc85xx_config_aneg,
2455        .read_status    = &vsc85xx_read_status,
2456        .handle_interrupt = vsc85xx_handle_interrupt,
2457        .config_intr    = &vsc85xx_config_intr,
2458        .suspend        = &genphy_suspend,
2459        .resume         = &genphy_resume,
2460        .probe          = &vsc85xx_probe,
2461        .set_wol        = &vsc85xx_wol_set,
2462        .get_wol        = &vsc85xx_wol_get,
2463        .get_tunable    = &vsc85xx_get_tunable,
2464        .set_tunable    = &vsc85xx_set_tunable,
2465        .read_page      = &vsc85xx_phy_read_page,
2466        .write_page     = &vsc85xx_phy_write_page,
2467        .get_sset_count = &vsc85xx_get_sset_count,
2468        .get_strings    = &vsc85xx_get_strings,
2469        .get_stats      = &vsc85xx_get_stats,
2470},
2471{
2472        .phy_id         = PHY_ID_VSC8541,
2473        .name           = "Microsemi VSC8541 SyncE",
2474        .phy_id_mask    = 0xfffffff0,
2475        /* PHY_GBIT_FEATURES */
2476        .soft_reset     = &genphy_soft_reset,
2477        .config_init    = &vsc85xx_config_init,
2478        .config_aneg    = &vsc85xx_config_aneg,
2479        .read_status    = &vsc85xx_read_status,
2480        .handle_interrupt = vsc85xx_handle_interrupt,
2481        .config_intr    = &vsc85xx_config_intr,
2482        .suspend        = &genphy_suspend,
2483        .resume         = &genphy_resume,
2484        .probe          = &vsc85xx_probe,
2485        .set_wol        = &vsc85xx_wol_set,
2486        .get_wol        = &vsc85xx_wol_get,
2487        .get_tunable    = &vsc85xx_get_tunable,
2488        .set_tunable    = &vsc85xx_set_tunable,
2489        .read_page      = &vsc85xx_phy_read_page,
2490        .write_page     = &vsc85xx_phy_write_page,
2491        .get_sset_count = &vsc85xx_get_sset_count,
2492        .get_strings    = &vsc85xx_get_strings,
2493        .get_stats      = &vsc85xx_get_stats,
2494},
2495{
2496        .phy_id         = PHY_ID_VSC8552,
2497        .name           = "Microsemi GE VSC8552 SyncE",
2498        .phy_id_mask    = 0xfffffff0,
2499        /* PHY_GBIT_FEATURES */
2500        .soft_reset     = &genphy_soft_reset,
2501        .config_init    = &vsc8584_config_init,
2502        .config_aneg    = &vsc85xx_config_aneg,
2503        .read_status    = &vsc85xx_read_status,
2504        .handle_interrupt = vsc85xx_handle_interrupt,
2505        .config_intr    = &vsc85xx_config_intr,
2506        .suspend        = &genphy_suspend,
2507        .resume         = &genphy_resume,
2508        .probe          = &vsc8574_probe,
2509        .set_wol        = &vsc85xx_wol_set,
2510        .get_wol        = &vsc85xx_wol_get,
2511        .get_tunable    = &vsc85xx_get_tunable,
2512        .set_tunable    = &vsc85xx_set_tunable,
2513        .read_page      = &vsc85xx_phy_read_page,
2514        .write_page     = &vsc85xx_phy_write_page,
2515        .get_sset_count = &vsc85xx_get_sset_count,
2516        .get_strings    = &vsc85xx_get_strings,
2517        .get_stats      = &vsc85xx_get_stats,
2518},
2519{
2520        .phy_id         = PHY_ID_VSC856X,
2521        .name           = "Microsemi GE VSC856X SyncE",
2522        .phy_id_mask    = 0xfffffff0,
2523        /* PHY_GBIT_FEATURES */
2524        .soft_reset     = &genphy_soft_reset,
2525        .config_init    = &vsc8584_config_init,
2526        .config_aneg    = &vsc85xx_config_aneg,
2527        .read_status    = &vsc85xx_read_status,
2528        .handle_interrupt = vsc85xx_handle_interrupt,
2529        .config_intr    = &vsc85xx_config_intr,
2530        .suspend        = &genphy_suspend,
2531        .resume         = &genphy_resume,
2532        .probe          = &vsc8584_probe,
2533        .get_tunable    = &vsc85xx_get_tunable,
2534        .set_tunable    = &vsc85xx_set_tunable,
2535        .read_page      = &vsc85xx_phy_read_page,
2536        .write_page     = &vsc85xx_phy_write_page,
2537        .get_sset_count = &vsc85xx_get_sset_count,
2538        .get_strings    = &vsc85xx_get_strings,
2539        .get_stats      = &vsc85xx_get_stats,
2540},
2541{
2542        .phy_id         = PHY_ID_VSC8572,
2543        .name           = "Microsemi GE VSC8572 SyncE",
2544        .phy_id_mask    = 0xfffffff0,
2545        /* PHY_GBIT_FEATURES */
2546        .soft_reset     = &genphy_soft_reset,
2547        .config_init    = &vsc8584_config_init,
2548        .config_aneg    = &vsc85xx_config_aneg,
2549        .aneg_done      = &genphy_aneg_done,
2550        .read_status    = &vsc85xx_read_status,
2551        .handle_interrupt = &vsc8584_handle_interrupt,
2552        .config_intr    = &vsc85xx_config_intr,
2553        .suspend        = &genphy_suspend,
2554        .resume         = &genphy_resume,
2555        .probe          = &vsc8574_probe,
2556        .set_wol        = &vsc85xx_wol_set,
2557        .get_wol        = &vsc85xx_wol_get,
2558        .get_tunable    = &vsc85xx_get_tunable,
2559        .set_tunable    = &vsc85xx_set_tunable,
2560        .read_page      = &vsc85xx_phy_read_page,
2561        .write_page     = &vsc85xx_phy_write_page,
2562        .get_sset_count = &vsc85xx_get_sset_count,
2563        .get_strings    = &vsc85xx_get_strings,
2564        .get_stats      = &vsc85xx_get_stats,
2565},
2566{
2567        .phy_id         = PHY_ID_VSC8574,
2568        .name           = "Microsemi GE VSC8574 SyncE",
2569        .phy_id_mask    = 0xfffffff0,
2570        /* PHY_GBIT_FEATURES */
2571        .soft_reset     = &genphy_soft_reset,
2572        .config_init    = &vsc8584_config_init,
2573        .config_aneg    = &vsc85xx_config_aneg,
2574        .aneg_done      = &genphy_aneg_done,
2575        .read_status    = &vsc85xx_read_status,
2576        .handle_interrupt = vsc85xx_handle_interrupt,
2577        .config_intr    = &vsc85xx_config_intr,
2578        .suspend        = &genphy_suspend,
2579        .resume         = &genphy_resume,
2580        .probe          = &vsc8574_probe,
2581        .set_wol        = &vsc85xx_wol_set,
2582        .get_wol        = &vsc85xx_wol_get,
2583        .get_tunable    = &vsc85xx_get_tunable,
2584        .set_tunable    = &vsc85xx_set_tunable,
2585        .read_page      = &vsc85xx_phy_read_page,
2586        .write_page     = &vsc85xx_phy_write_page,
2587        .get_sset_count = &vsc85xx_get_sset_count,
2588        .get_strings    = &vsc85xx_get_strings,
2589        .get_stats      = &vsc85xx_get_stats,
2590},
2591{
2592        .phy_id         = PHY_ID_VSC8575,
2593        .name           = "Microsemi GE VSC8575 SyncE",
2594        .phy_id_mask    = 0xfffffff0,
2595        /* PHY_GBIT_FEATURES */
2596        .soft_reset     = &genphy_soft_reset,
2597        .config_init    = &vsc8584_config_init,
2598        .config_aneg    = &vsc85xx_config_aneg,
2599        .aneg_done      = &genphy_aneg_done,
2600        .read_status    = &vsc85xx_read_status,
2601        .handle_interrupt = &vsc8584_handle_interrupt,
2602        .config_intr    = &vsc85xx_config_intr,
2603        .suspend        = &genphy_suspend,
2604        .resume         = &genphy_resume,
2605        .probe          = &vsc8584_probe,
2606        .get_tunable    = &vsc85xx_get_tunable,
2607        .set_tunable    = &vsc85xx_set_tunable,
2608        .read_page      = &vsc85xx_phy_read_page,
2609        .write_page     = &vsc85xx_phy_write_page,
2610        .get_sset_count = &vsc85xx_get_sset_count,
2611        .get_strings    = &vsc85xx_get_strings,
2612        .get_stats      = &vsc85xx_get_stats,
2613},
2614{
2615        .phy_id         = PHY_ID_VSC8582,
2616        .name           = "Microsemi GE VSC8582 SyncE",
2617        .phy_id_mask    = 0xfffffff0,
2618        /* PHY_GBIT_FEATURES */
2619        .soft_reset     = &genphy_soft_reset,
2620        .config_init    = &vsc8584_config_init,
2621        .config_aneg    = &vsc85xx_config_aneg,
2622        .aneg_done      = &genphy_aneg_done,
2623        .read_status    = &vsc85xx_read_status,
2624        .handle_interrupt = &vsc8584_handle_interrupt,
2625        .config_intr    = &vsc85xx_config_intr,
2626        .suspend        = &genphy_suspend,
2627        .resume         = &genphy_resume,
2628        .probe          = &vsc8584_probe,
2629        .get_tunable    = &vsc85xx_get_tunable,
2630        .set_tunable    = &vsc85xx_set_tunable,
2631        .read_page      = &vsc85xx_phy_read_page,
2632        .write_page     = &vsc85xx_phy_write_page,
2633        .get_sset_count = &vsc85xx_get_sset_count,
2634        .get_strings    = &vsc85xx_get_strings,
2635        .get_stats      = &vsc85xx_get_stats,
2636},
2637{
2638        .phy_id         = PHY_ID_VSC8584,
2639        .name           = "Microsemi GE VSC8584 SyncE",
2640        .phy_id_mask    = 0xfffffff0,
2641        /* PHY_GBIT_FEATURES */
2642        .soft_reset     = &genphy_soft_reset,
2643        .config_init    = &vsc8584_config_init,
2644        .config_aneg    = &vsc85xx_config_aneg,
2645        .aneg_done      = &genphy_aneg_done,
2646        .read_status    = &vsc85xx_read_status,
2647        .handle_interrupt = &vsc8584_handle_interrupt,
2648        .config_intr    = &vsc85xx_config_intr,
2649        .suspend        = &genphy_suspend,
2650        .resume         = &genphy_resume,
2651        .probe          = &vsc8584_probe,
2652        .get_tunable    = &vsc85xx_get_tunable,
2653        .set_tunable    = &vsc85xx_set_tunable,
2654        .read_page      = &vsc85xx_phy_read_page,
2655        .write_page     = &vsc85xx_phy_write_page,
2656        .get_sset_count = &vsc85xx_get_sset_count,
2657        .get_strings    = &vsc85xx_get_strings,
2658        .get_stats      = &vsc85xx_get_stats,
2659        .link_change_notify = &vsc85xx_link_change_notify,
2660}
2661
2662};
2663
2664module_phy_driver(vsc85xx_driver);
2665
2666static struct mdio_device_id __maybe_unused vsc85xx_tbl[] = {
2667        { PHY_ID_VSC8504, 0xfffffff0, },
2668        { PHY_ID_VSC8514, 0xfffffff0, },
2669        { PHY_ID_VSC8530, 0xfffffff0, },
2670        { PHY_ID_VSC8531, 0xfffffff0, },
2671        { PHY_ID_VSC8540, 0xfffffff0, },
2672        { PHY_ID_VSC8541, 0xfffffff0, },
2673        { PHY_ID_VSC8552, 0xfffffff0, },
2674        { PHY_ID_VSC856X, 0xfffffff0, },
2675        { PHY_ID_VSC8572, 0xfffffff0, },
2676        { PHY_ID_VSC8574, 0xfffffff0, },
2677        { PHY_ID_VSC8575, 0xfffffff0, },
2678        { PHY_ID_VSC8582, 0xfffffff0, },
2679        { PHY_ID_VSC8584, 0xfffffff0, },
2680        { }
2681};
2682
2683MODULE_DEVICE_TABLE(mdio, vsc85xx_tbl);
2684
2685MODULE_DESCRIPTION("Microsemi VSC85xx PHY driver");
2686MODULE_AUTHOR("Nagaraju Lakkaraju");
2687MODULE_LICENSE("Dual MIT/GPL");
2688