drivers/net/phy/broadcom.c

   1 /*
   2  *      drivers/net/phy/broadcom.c
   3  *
   4  *      Broadcom BCM5411, BCM5421 and BCM5461 Gigabit Ethernet
   5  *      transceivers.
   6  *
   7  *      Copyright (c) 2006  Maciej W. Rozycki
   8  *
   9  *      Inspired by code written by Amy Fong.
  10  *
  11  *      This program is free software; you can redistribute it and/or
  12  *      modify it under the terms of the GNU General Public License
  13  *      as published by the Free Software Foundation; either version
  14  *      2 of the License, or (at your option) any later version.
  15  */
  16
  17 #include "bcm-phy-lib.h"
  18 #include <linux/module.h>
  19 #include <linux/phy.h>
  20 #include <linux/brcmphy.h>
  21 #include <linux/of.h>
  22
  23 #define BRCM_PHY_MODEL(phydev) \
  24         ((phydev)->drv->phy_id & (phydev)->drv->phy_id_mask)
  25
  26 #define BRCM_PHY_REV(phydev) \
  27         ((phydev)->drv->phy_id & ~((phydev)->drv->phy_id_mask))
  28
  29 MODULE_DESCRIPTION("Broadcom PHY driver");
  30 MODULE_AUTHOR("Maciej W. Rozycki");
  31 MODULE_LICENSE("GPL");
  32
  33 static int bcm54210e_config_init(struct phy_device *phydev)
  34 {
  35         int val;
  36
  37         val = bcm54xx_auxctl_read(phydev, MII_BCM54XX_AUXCTL_SHDWSEL_MISC);
  38         val &= ~MII_BCM54XX_AUXCTL_SHDWSEL_MISC_RGMII_SKEW_EN;
  39         val |= MII_BCM54XX_AUXCTL_MISC_WREN;
  40         bcm54xx_auxctl_write(phydev, MII_BCM54XX_AUXCTL_SHDWSEL_MISC, val);
  41
  42         val = bcm_phy_read_shadow(phydev, BCM54810_SHD_CLK_CTL);
  43         val &= ~BCM54810_SHD_CLK_CTL_GTXCLK_EN;
  44         bcm_phy_write_shadow(phydev, BCM54810_SHD_CLK_CTL, val);
  45
  46         if (phydev->dev_flags & PHY_BRCM_EN_MASTER_MODE) {
  47                 val = phy_read(phydev, MII_CTRL1000);
  48                 val |= CTL1000_AS_MASTER | CTL1000_ENABLE_MASTER;
  49                 phy_write(phydev, MII_CTRL1000, val);
  50         }
  51
  52         return 0;
  53 }
  54
  55 static int bcm54612e_config_init(struct phy_device *phydev)
  56 {
  57         int reg;
  58
  59         /* Clear TX internal delay unless requested. */
  60         if ((phydev->interface != PHY_INTERFACE_MODE_RGMII_ID) &&
  61             (phydev->interface != PHY_INTERFACE_MODE_RGMII_TXID)) {
  62                 /* Disable TXD to GTXCLK clock delay (default set) */
  63                 /* Bit 9 is the only field in shadow register 00011 */
  64                 bcm_phy_write_shadow(phydev, 0x03, 0);
  65         }
  66
  67         /* Clear RX internal delay unless requested. */
  68         if ((phydev->interface != PHY_INTERFACE_MODE_RGMII_ID) &&
  69             (phydev->interface != PHY_INTERFACE_MODE_RGMII_RXID)) {
  70                 reg = bcm54xx_auxctl_read(phydev,
  71                                           MII_BCM54XX_AUXCTL_SHDWSEL_MISC);
  72                 /* Disable RXD to RXC delay (default set) */
  73                 reg &= ~MII_BCM54XX_AUXCTL_SHDWSEL_MISC_RGMII_SKEW_EN;
  74                 /* Clear shadow selector field */
  75                 reg &= ~MII_BCM54XX_AUXCTL_SHDWSEL_MASK;
  76                 bcm54xx_auxctl_write(phydev, MII_BCM54XX_AUXCTL_SHDWSEL_MISC,
  77                                      MII_BCM54XX_AUXCTL_MISC_WREN | reg);
  78         }
  79
  80         /* Enable CLK125 MUX on LED4 if ref clock is enabled. */
  81         if (!(phydev->dev_flags & PHY_BRCM_RX_REFCLK_UNUSED)) {
  82                 int err;
  83
  84                 reg = bcm_phy_read_exp(phydev, BCM54612E_EXP_SPARE0);
  85                 err = bcm_phy_write_exp(phydev, BCM54612E_EXP_SPARE0,
  86                                         BCM54612E_LED4_CLK125OUT_EN | reg);
  87
  88                 if (err < 0)
  89                         return err;
  90         }
  91
  92         return 0;
  93 }
  94
  95 static int bcm54xx_config_clock_delay(struct phy_device *phydev)
  96 {
  97         int rc, val;
  98
  99         /* handling PHY's internal RX clock delay */
 100         val = bcm54xx_auxctl_read(phydev, MII_BCM54XX_AUXCTL_SHDWSEL_MISC);
 101         val |= MII_BCM54XX_AUXCTL_MISC_WREN;
 102         if (phydev->interface == PHY_INTERFACE_MODE_RGMII ||
 103             phydev->interface == PHY_INTERFACE_MODE_RGMII_TXID) {
 104                 /* Disable RGMII RXC-RXD skew */
 105                 val &= ~MII_BCM54XX_AUXCTL_SHDWSEL_MISC_RGMII_SKEW_EN;
 106         }
 107         if (phydev->interface == PHY_INTERFACE_MODE_RGMII_ID ||
 108             phydev->interface == PHY_INTERFACE_MODE_RGMII_RXID) {
 109                 /* Enable RGMII RXC-RXD skew */
 110                 val |= MII_BCM54XX_AUXCTL_SHDWSEL_MISC_RGMII_SKEW_EN;
 111         }
 112         rc = bcm54xx_auxctl_write(phydev, MII_BCM54XX_AUXCTL_SHDWSEL_MISC,
 113                                   val);
 114         if (rc < 0)
 115                 return rc;
 116
 117         /* handling PHY's internal TX clock delay */
 118         val = bcm_phy_read_shadow(phydev, BCM54810_SHD_CLK_CTL);
 119         if (phydev->interface == PHY_INTERFACE_MODE_RGMII ||
 120             phydev->interface == PHY_INTERFACE_MODE_RGMII_RXID) {
 121                 /* Disable internal TX clock delay */
 122                 val &= ~BCM54810_SHD_CLK_CTL_GTXCLK_EN;
 123         }
 124         if (phydev->interface == PHY_INTERFACE_MODE_RGMII_ID ||
 125             phydev->interface == PHY_INTERFACE_MODE_RGMII_TXID) {
 126                 /* Enable internal TX clock delay */
 127                 val |= BCM54810_SHD_CLK_CTL_GTXCLK_EN;
 128         }
 129         rc = bcm_phy_write_shadow(phydev, BCM54810_SHD_CLK_CTL, val);
 130         if (rc < 0)
 131                 return rc;
 132
 133         return 0;
 134 }
 135
 136 /* Needs SMDSP clock enabled via bcm54xx_phydsp_config() */
 137 static int bcm50610_a0_workaround(struct phy_device *phydev)
 138 {
 139         int err;
 140
 141         err = bcm_phy_write_exp(phydev, MII_BCM54XX_EXP_AADJ1CH0,
 142                                 MII_BCM54XX_EXP_AADJ1CH0_SWP_ABCD_OEN |
 143                                 MII_BCM54XX_EXP_AADJ1CH0_SWSEL_THPF);
 144         if (err < 0)
 145                 return err;
 146
 147         err = bcm_phy_write_exp(phydev, MII_BCM54XX_EXP_AADJ1CH3,
 148                                 MII_BCM54XX_EXP_AADJ1CH3_ADCCKADJ);
 149         if (err < 0)
 150                 return err;
 151
 152         err = bcm_phy_write_exp(phydev, MII_BCM54XX_EXP_EXP75,
 153                                 MII_BCM54XX_EXP_EXP75_VDACCTRL);
 154         if (err < 0)
 155                 return err;
 156
 157         err = bcm_phy_write_exp(phydev, MII_BCM54XX_EXP_EXP96,
 158                                 MII_BCM54XX_EXP_EXP96_MYST);
 159         if (err < 0)
 160                 return err;
 161
 162         err = bcm_phy_write_exp(phydev, MII_BCM54XX_EXP_EXP97,
 163                                 MII_BCM54XX_EXP_EXP97_MYST);
 164
 165         return err;
 166 }
 167
 168 static int bcm54xx_phydsp_config(struct phy_device *phydev)
 169 {
 170         int err, err2;
 171
 172         /* Enable the SMDSP clock */
 173         err = bcm54xx_auxctl_write(phydev,
 174                                    MII_BCM54XX_AUXCTL_SHDWSEL_AUXCTL,
 175                                    MII_BCM54XX_AUXCTL_ACTL_SMDSP_ENA |
 176                                    MII_BCM54XX_AUXCTL_ACTL_TX_6DB);
 177         if (err < 0)
 178                 return err;
 179
 180         if (BRCM_PHY_MODEL(phydev) == PHY_ID_BCM50610 ||
 181             BRCM_PHY_MODEL(phydev) == PHY_ID_BCM50610M) {
 182                 /* Clear bit 9 to fix a phy interop issue. */
 183                 err = bcm_phy_write_exp(phydev, MII_BCM54XX_EXP_EXP08,
 184                                         MII_BCM54XX_EXP_EXP08_RJCT_2MHZ);
 185                 if (err < 0)
 186                         goto error;
 187
 188                 if (phydev->drv->phy_id == PHY_ID_BCM50610) {
 189                         err = bcm50610_a0_workaround(phydev);
 190                         if (err < 0)
 191                                 goto error;
 192                 }
 193         }
 194
 195         if (BRCM_PHY_MODEL(phydev) == PHY_ID_BCM57780) {
 196                 int val;
 197
 198                 val = bcm_phy_read_exp(phydev, MII_BCM54XX_EXP_EXP75);
 199                 if (val < 0)
 200                         goto error;
 201
 202                 val |= MII_BCM54XX_EXP_EXP75_CM_OSC;
 203                 err = bcm_phy_write_exp(phydev, MII_BCM54XX_EXP_EXP75, val);
 204         }
 205
 206 error:
 207         /* Disable the SMDSP clock */
 208         err2 = bcm54xx_auxctl_write(phydev,
 209                                     MII_BCM54XX_AUXCTL_SHDWSEL_AUXCTL,
 210                                     MII_BCM54XX_AUXCTL_ACTL_TX_6DB);
 211
 212         /* Return the first error reported. */
 213         return err ? err : err2;
 214 }
 215
 216 static void bcm54xx_adjust_rxrefclk(struct phy_device *phydev)
 217 {
 218         u32 orig;
 219         int val;
 220         bool clk125en = true;
 221
 222         /* Abort if we are using an untested phy. */
 223         if (BRCM_PHY_MODEL(phydev) != PHY_ID_BCM57780 &&
 224             BRCM_PHY_MODEL(phydev) != PHY_ID_BCM50610 &&
 225             BRCM_PHY_MODEL(phydev) != PHY_ID_BCM50610M)
 226                 return;
 227
 228         val = bcm_phy_read_shadow(phydev, BCM54XX_SHD_SCR3);
 229         if (val < 0)
 230                 return;
 231
 232         orig = val;
 233
 234         if ((BRCM_PHY_MODEL(phydev) == PHY_ID_BCM50610 ||
 235              BRCM_PHY_MODEL(phydev) == PHY_ID_BCM50610M) &&
 236             BRCM_PHY_REV(phydev) >= 0x3) {
 237                 /*
 238                  * Here, bit 0 _disables_ CLK125 when set.
 239                  * This bit is set by default.
 240                  */
 241                 clk125en = false;
 242         } else {
 243                 if (phydev->dev_flags & PHY_BRCM_RX_REFCLK_UNUSED) {
 244                         /* Here, bit 0 _enables_ CLK125 when set */
 245                         val &= ~BCM54XX_SHD_SCR3_DEF_CLK125;
 246                         clk125en = false;
 247                 }
 248         }
 249
 250         if (!clk125en || (phydev->dev_flags & PHY_BRCM_AUTO_PWRDWN_ENABLE))
 251                 val &= ~BCM54XX_SHD_SCR3_DLLAPD_DIS;
 252         else
 253                 val |= BCM54XX_SHD_SCR3_DLLAPD_DIS;
 254
 255         if (phydev->dev_flags & PHY_BRCM_DIS_TXCRXC_NOENRGY)
 256                 val |= BCM54XX_SHD_SCR3_TRDDAPD;
 257
 258         if (orig != val)
 259                 bcm_phy_write_shadow(phydev, BCM54XX_SHD_SCR3, val);
 260
 261         val = bcm_phy_read_shadow(phydev, BCM54XX_SHD_APD);
 262         if (val < 0)
 263                 return;
 264
 265         orig = val;
 266
 267         if (!clk125en || (phydev->dev_flags & PHY_BRCM_AUTO_PWRDWN_ENABLE))
 268                 val |= BCM54XX_SHD_APD_EN;
 269         else
 270                 val &= ~BCM54XX_SHD_APD_EN;
 271
 272         if (orig != val)
 273                 bcm_phy_write_shadow(phydev, BCM54XX_SHD_APD, val);
 274 }
 275
 276 static int bcm54xx_config_init(struct phy_device *phydev)
 277 {
 278         int reg, err, val;
 279
 280         reg = phy_read(phydev, MII_BCM54XX_ECR);
 281         if (reg < 0)
 282                 return reg;
 283
 284         /* Mask interrupts globally.  */
 285         reg |= MII_BCM54XX_ECR_IM;
 286         err = phy_write(phydev, MII_BCM54XX_ECR, reg);
 287         if (err < 0)
 288                 return err;
 289
 290         /* Unmask events we are interested in.  */
 291         reg = ~(MII_BCM54XX_INT_DUPLEX |
 292                 MII_BCM54XX_INT_SPEED |
 293                 MII_BCM54XX_INT_LINK);
 294         err = phy_write(phydev, MII_BCM54XX_IMR, reg);
 295         if (err < 0)
 296                 return err;
 297
 298         if ((BRCM_PHY_MODEL(phydev) == PHY_ID_BCM50610 ||
 299              BRCM_PHY_MODEL(phydev) == PHY_ID_BCM50610M) &&
 300             (phydev->dev_flags & PHY_BRCM_CLEAR_RGMII_MODE))
 301                 bcm_phy_write_shadow(phydev, BCM54XX_SHD_RGMII_MODE, 0);
 302
 303         if ((phydev->dev_flags & PHY_BRCM_RX_REFCLK_UNUSED) ||
 304             (phydev->dev_flags & PHY_BRCM_DIS_TXCRXC_NOENRGY) ||
 305             (phydev->dev_flags & PHY_BRCM_AUTO_PWRDWN_ENABLE))
 306                 bcm54xx_adjust_rxrefclk(phydev);
 307
 308         if (BRCM_PHY_MODEL(phydev) == PHY_ID_BCM54210E) {
 309                 err = bcm54210e_config_init(phydev);
 310                 if (err)
 311                         return err;
 312         } else if (BRCM_PHY_MODEL(phydev) == PHY_ID_BCM54612E) {
 313                 err = bcm54612e_config_init(phydev);
 314                 if (err)
 315                         return err;
 316         } else if (BRCM_PHY_MODEL(phydev) == PHY_ID_BCM54810) {
 317                 /* For BCM54810, we need to disable BroadR-Reach function */
 318                 val = bcm_phy_read_exp(phydev,
 319                                        BCM54810_EXP_BROADREACH_LRE_MISC_CTL);
 320                 val &= ~BCM54810_EXP_BROADREACH_LRE_MISC_CTL_EN;
 321                 err = bcm_phy_write_exp(phydev,
 322                                         BCM54810_EXP_BROADREACH_LRE_MISC_CTL,
 323                                         val);
 324                 if (err < 0)
 325                         return err;
 326         }
 327
 328         bcm54xx_phydsp_config(phydev);
 329
 330         return 0;
 331 }
 332
 333 static int bcm5482_config_init(struct phy_device *phydev)
 334 {
 335         int err, reg;
 336
 337         err = bcm54xx_config_init(phydev);
 338
 339         if (phydev->dev_flags & PHY_BCM_FLAGS_MODE_1000BX) {
 340                 /*
 341                  * Enable secondary SerDes and its use as an LED source
 342                  */
 343                 reg = bcm_phy_read_shadow(phydev, BCM5482_SHD_SSD);
 344                 bcm_phy_write_shadow(phydev, BCM5482_SHD_SSD,
 345                                      reg |
 346                                      BCM5482_SHD_SSD_LEDM |
 347                                      BCM5482_SHD_SSD_EN);
 348
 349                 /*
 350                  * Enable SGMII slave mode and auto-detection
 351                  */
 352                 reg = BCM5482_SSD_SGMII_SLAVE | MII_BCM54XX_EXP_SEL_SSD;
 353                 err = bcm_phy_read_exp(phydev, reg);
 354                 if (err < 0)
 355                         return err;
 356                 err = bcm_phy_write_exp(phydev, reg, err |
 357                                         BCM5482_SSD_SGMII_SLAVE_EN |
 358                                         BCM5482_SSD_SGMII_SLAVE_AD);
 359                 if (err < 0)
 360                         return err;
 361
 362                 /*
 363                  * Disable secondary SerDes powerdown
 364                  */
 365                 reg = BCM5482_SSD_1000BX_CTL | MII_BCM54XX_EXP_SEL_SSD;
 366                 err = bcm_phy_read_exp(phydev, reg);
 367                 if (err < 0)
 368                         return err;
 369                 err = bcm_phy_write_exp(phydev, reg,
 370                                         err & ~BCM5482_SSD_1000BX_CTL_PWRDOWN);
 371                 if (err < 0)
 372                         return err;
 373
 374                 /*
 375                  * Select 1000BASE-X register set (primary SerDes)
 376                  */
 377                 reg = bcm_phy_read_shadow(phydev, BCM5482_SHD_MODE);
 378                 bcm_phy_write_shadow(phydev, BCM5482_SHD_MODE,
 379                                      reg | BCM5482_SHD_MODE_1000BX);
 380
 381                 /*
 382                  * LED1=ACTIVITYLED, LED3=LINKSPD[2]
 383                  * (Use LED1 as secondary SerDes ACTIVITY LED)
 384                  */
 385                 bcm_phy_write_shadow(phydev, BCM5482_SHD_LEDS1,
 386                         BCM5482_SHD_LEDS1_LED1(BCM_LED_SRC_ACTIVITYLED) |
 387                         BCM5482_SHD_LEDS1_LED3(BCM_LED_SRC_LINKSPD2));
 388
 389                 /*
 390                  * Auto-negotiation doesn't seem to work quite right
 391                  * in this mode, so we disable it and force it to the
 392                  * right speed/duplex setting.  Only 'link status'
 393                  * is important.
 394                  */
 395                 phydev->autoneg = AUTONEG_DISABLE;
 396                 phydev->speed = SPEED_1000;
 397                 phydev->duplex = DUPLEX_FULL;
 398         }
 399
 400         return err;
 401 }
 402
 403 static int bcm5482_read_status(struct phy_device *phydev)
 404 {
 405         int err;
 406
 407         err = genphy_read_status(phydev);
 408
 409         if (phydev->dev_flags & PHY_BCM_FLAGS_MODE_1000BX) {
 410                 /*
 411                  * Only link status matters for 1000Base-X mode, so force
 412                  * 1000 Mbit/s full-duplex status
 413                  */
 414                 if (phydev->link) {
 415                         phydev->speed = SPEED_1000;
 416                         phydev->duplex = DUPLEX_FULL;
 417                 }
 418         }
 419
 420         return err;
 421 }
 422
 423 static int bcm5481_config_aneg(struct phy_device *phydev)
 424 {
 425         struct device_node *np = phydev->mdio.dev.of_node;
 426         int ret;
 427
 428         /* Aneg firsly. */
 429         ret = genphy_config_aneg(phydev);
 430
 431         /* Then we can set up the delay. */
 432         bcm54xx_config_clock_delay(phydev);
 433
 434         if (of_property_read_bool(np, "enet-phy-lane-swap")) {
 435                 /* Lane Swap - Undocumented register...magic! */
 436                 ret = bcm_phy_write_exp(phydev, MII_BCM54XX_EXP_SEL_ER + 0x9,
 437                                         0x11B);
 438                 if (ret < 0)
 439                         return ret;
 440         }
 441
 442         return ret;
 443 }
 444
 445 static int bcm54616s_config_aneg(struct phy_device *phydev)
 446 {
 447         int ret;
 448
 449         /* Aneg firsly. */
 450         ret = genphy_config_aneg(phydev);
 451
 452         /* Then we can set up the delay. */
 453         bcm54xx_config_clock_delay(phydev);
 454
 455         return ret;
 456 }
 457
 458 static int brcm_phy_setbits(struct phy_device *phydev, int reg, int set)
 459 {
 460         int val;
 461
 462         val = phy_read(phydev, reg);
 463         if (val < 0)
 464                 return val;
 465
 466         return phy_write(phydev, reg, val | set);
 467 }
 468
 469 static int brcm_fet_config_init(struct phy_device *phydev)
 470 {
 471         int reg, err, err2, brcmtest;
 472
 473         /* Reset the PHY to bring it to a known state. */
 474         err = phy_write(phydev, MII_BMCR, BMCR_RESET);
 475         if (err < 0)
 476                 return err;
 477
 478         reg = phy_read(phydev, MII_BRCM_FET_INTREG);
 479         if (reg < 0)
 480                 return reg;
 481
 482         /* Unmask events we are interested in and mask interrupts globally. */
 483         reg = MII_BRCM_FET_IR_DUPLEX_EN |
 484               MII_BRCM_FET_IR_SPEED_EN |
 485               MII_BRCM_FET_IR_LINK_EN |
 486               MII_BRCM_FET_IR_ENABLE |
 487               MII_BRCM_FET_IR_MASK;
 488
 489         err = phy_write(phydev, MII_BRCM_FET_INTREG, reg);
 490         if (err < 0)
 491                 return err;
 492
 493         /* Enable shadow register access */
 494         brcmtest = phy_read(phydev, MII_BRCM_FET_BRCMTEST);
 495         if (brcmtest < 0)
 496                 return brcmtest;
 497
 498         reg = brcmtest | MII_BRCM_FET_BT_SRE;
 499
 500         err = phy_write(phydev, MII_BRCM_FET_BRCMTEST, reg);
 501         if (err < 0)
 502                 return err;
 503
 504         /* Set the LED mode */
 505         reg = phy_read(phydev, MII_BRCM_FET_SHDW_AUXMODE4);
 506         if (reg < 0) {
 507                 err = reg;
 508                 goto done;
 509         }
 510
 511         reg &= ~MII_BRCM_FET_SHDW_AM4_LED_MASK;
 512         reg |= MII_BRCM_FET_SHDW_AM4_LED_MODE1;
 513
 514         err = phy_write(phydev, MII_BRCM_FET_SHDW_AUXMODE4, reg);
 515         if (err < 0)
 516                 goto done;
 517
 518         /* Enable auto MDIX */
 519         err = brcm_phy_setbits(phydev, MII_BRCM_FET_SHDW_MISCCTRL,
 520                                        MII_BRCM_FET_SHDW_MC_FAME);
 521         if (err < 0)
 522                 goto done;
 523
 524         if (phydev->dev_flags & PHY_BRCM_AUTO_PWRDWN_ENABLE) {
 525                 /* Enable auto power down */
 526                 err = brcm_phy_setbits(phydev, MII_BRCM_FET_SHDW_AUXSTAT2,
 527                                                MII_BRCM_FET_SHDW_AS2_APDE);
 528         }
 529
 530 done:
 531         /* Disable shadow register access */
 532         err2 = phy_write(phydev, MII_BRCM_FET_BRCMTEST, brcmtest);
 533         if (!err)
 534                 err = err2;
 535
 536         return err;
 537 }
 538
 539 static int brcm_fet_ack_interrupt(struct phy_device *phydev)
 540 {
 541         int reg;
 542
 543         /* Clear pending interrupts.  */
 544         reg = phy_read(phydev, MII_BRCM_FET_INTREG);
 545         if (reg < 0)
 546                 return reg;
 547
 548         return 0;
 549 }
 550
 551 static int brcm_fet_config_intr(struct phy_device *phydev)
 552 {
 553         int reg, err;
 554
 555         reg = phy_read(phydev, MII_BRCM_FET_INTREG);
 556         if (reg < 0)
 557                 return reg;
 558
 559         if (phydev->interrupts == PHY_INTERRUPT_ENABLED)
 560                 reg &= ~MII_BRCM_FET_IR_MASK;
 561         else
 562                 reg |= MII_BRCM_FET_IR_MASK;
 563
 564         err = phy_write(phydev, MII_BRCM_FET_INTREG, reg);
 565         return err;
 566 }
 567
 568 struct bcm53xx_phy_priv {
 569         u64     *stats;
 570 };
 571
 572 static int bcm53xx_phy_probe(struct phy_device *phydev)
 573 {
 574         struct bcm53xx_phy_priv *priv;
 575
 576         priv = devm_kzalloc(&phydev->mdio.dev, sizeof(*priv), GFP_KERNEL);
 577         if (!priv)
 578                 return -ENOMEM;
 579
 580         phydev->priv = priv;
 581
 582         priv->stats = devm_kcalloc(&phydev->mdio.dev,
 583                                    bcm_phy_get_sset_count(phydev), sizeof(u64),
 584                                    GFP_KERNEL);
 585         if (!priv->stats)
 586                 return -ENOMEM;
 587
 588         return 0;
 589 }
 590
 591 static void bcm53xx_phy_get_stats(struct phy_device *phydev,
 592                                   struct ethtool_stats *stats, u64 *data)
 593 {
 594         struct bcm53xx_phy_priv *priv = phydev->priv;
 595
 596         bcm_phy_get_stats(phydev, priv->stats, stats, data);
 597 }
 598
 599 static struct phy_driver broadcom_drivers[] = {
 600 {
 601         .phy_id         = PHY_ID_BCM5411,
 602         .phy_id_mask    = 0xfffffff0,
 603         .name           = "Broadcom BCM5411",
 604         .features       = PHY_GBIT_FEATURES,
 605         .flags          = PHY_HAS_INTERRUPT,
 606         .config_init    = bcm54xx_config_init,
 607         .ack_interrupt  = bcm_phy_ack_intr,
 608         .config_intr    = bcm_phy_config_intr,
 609 }, {
 610         .phy_id         = PHY_ID_BCM5421,
 611         .phy_id_mask    = 0xfffffff0,
 612         .name           = "Broadcom BCM5421",
 613         .features       = PHY_GBIT_FEATURES,
 614         .flags          = PHY_HAS_INTERRUPT,
 615         .config_init    = bcm54xx_config_init,
 616         .ack_interrupt  = bcm_phy_ack_intr,
 617         .config_intr    = bcm_phy_config_intr,
 618 }, {
 619         .phy_id         = PHY_ID_BCM54210E,
 620         .phy_id_mask    = 0xfffffff0,
 621         .name           = "Broadcom BCM54210E",
 622         .features       = PHY_GBIT_FEATURES,
 623         .flags          = PHY_HAS_INTERRUPT,
 624         .config_init    = bcm54xx_config_init,
 625         .ack_interrupt  = bcm_phy_ack_intr,
 626         .config_intr    = bcm_phy_config_intr,
 627 }, {
 628         .phy_id         = PHY_ID_BCM5461,
 629         .phy_id_mask    = 0xfffffff0,
 630         .name           = "Broadcom BCM5461",
 631         .features       = PHY_GBIT_FEATURES,
 632         .flags          = PHY_HAS_INTERRUPT,
 633         .config_init    = bcm54xx_config_init,
 634         .ack_interrupt  = bcm_phy_ack_intr,
 635         .config_intr    = bcm_phy_config_intr,
 636 }, {
 637         .phy_id         = PHY_ID_BCM54612E,
 638         .phy_id_mask    = 0xfffffff0,
 639         .name           = "Broadcom BCM54612E",
 640         .features       = PHY_GBIT_FEATURES,
 641         .flags          = PHY_HAS_INTERRUPT,
 642         .config_init    = bcm54xx_config_init,
 643         .ack_interrupt  = bcm_phy_ack_intr,
 644         .config_intr    = bcm_phy_config_intr,
 645 }, {
 646         .phy_id         = PHY_ID_BCM54616S,
 647         .phy_id_mask    = 0xfffffff0,
 648         .name           = "Broadcom BCM54616S",
 649         .features       = PHY_GBIT_FEATURES,
 650         .flags          = PHY_HAS_INTERRUPT,
 651         .config_init    = bcm54xx_config_init,
 652         .config_aneg    = bcm54616s_config_aneg,
 653         .ack_interrupt  = bcm_phy_ack_intr,
 654         .config_intr    = bcm_phy_config_intr,
 655 }, {
 656         .phy_id         = PHY_ID_BCM5464,
 657         .phy_id_mask    = 0xfffffff0,
 658         .name           = "Broadcom BCM5464",
 659         .features       = PHY_GBIT_FEATURES,
 660         .flags          = PHY_HAS_INTERRUPT,
 661         .config_init    = bcm54xx_config_init,
 662         .ack_interrupt  = bcm_phy_ack_intr,
 663         .config_intr    = bcm_phy_config_intr,
 664 }, {
 665         .phy_id         = PHY_ID_BCM5481,
 666         .phy_id_mask    = 0xfffffff0,
 667         .name           = "Broadcom BCM5481",
 668         .features       = PHY_GBIT_FEATURES,
 669         .flags          = PHY_HAS_INTERRUPT,
 670         .config_init    = bcm54xx_config_init,
 671         .config_aneg    = bcm5481_config_aneg,
 672         .ack_interrupt  = bcm_phy_ack_intr,
 673         .config_intr    = bcm_phy_config_intr,
 674 }, {
 675         .phy_id         = PHY_ID_BCM54810,
 676         .phy_id_mask    = 0xfffffff0,
 677         .name           = "Broadcom BCM54810",
 678         .features       = PHY_GBIT_FEATURES,
 679         .flags          = PHY_HAS_INTERRUPT,
 680         .config_init    = bcm54xx_config_init,
 681         .config_aneg    = bcm5481_config_aneg,
 682         .ack_interrupt  = bcm_phy_ack_intr,
 683         .config_intr    = bcm_phy_config_intr,
 684 }, {
 685         .phy_id         = PHY_ID_BCM5482,
 686         .phy_id_mask    = 0xfffffff0,
 687         .name           = "Broadcom BCM5482",
 688         .features       = PHY_GBIT_FEATURES,
 689         .flags          = PHY_HAS_INTERRUPT,
 690         .config_init    = bcm5482_config_init,
 691         .read_status    = bcm5482_read_status,
 692         .ack_interrupt  = bcm_phy_ack_intr,
 693         .config_intr    = bcm_phy_config_intr,
 694 }, {
 695         .phy_id         = PHY_ID_BCM50610,
 696         .phy_id_mask    = 0xfffffff0,
 697         .name           = "Broadcom BCM50610",
 698         .features       = PHY_GBIT_FEATURES,
 699         .flags          = PHY_HAS_INTERRUPT,
 700         .config_init    = bcm54xx_config_init,
 701         .ack_interrupt  = bcm_phy_ack_intr,
 702         .config_intr    = bcm_phy_config_intr,
 703 }, {
 704         .phy_id         = PHY_ID_BCM50610M,
 705         .phy_id_mask    = 0xfffffff0,
 706         .name           = "Broadcom BCM50610M",
 707         .features       = PHY_GBIT_FEATURES,
 708         .flags          = PHY_HAS_INTERRUPT,
 709         .config_init    = bcm54xx_config_init,
 710         .ack_interrupt  = bcm_phy_ack_intr,
 711         .config_intr    = bcm_phy_config_intr,
 712 }, {
 713         .phy_id         = PHY_ID_BCM57780,
 714         .phy_id_mask    = 0xfffffff0,
 715         .name           = "Broadcom BCM57780",
 716         .features       = PHY_GBIT_FEATURES,
 717         .flags          = PHY_HAS_INTERRUPT,
 718         .config_init    = bcm54xx_config_init,
 719         .ack_interrupt  = bcm_phy_ack_intr,
 720         .config_intr    = bcm_phy_config_intr,
 721 }, {
 722         .phy_id         = PHY_ID_BCMAC131,
 723         .phy_id_mask    = 0xfffffff0,
 724         .name           = "Broadcom BCMAC131",
 725         .features       = PHY_BASIC_FEATURES,
 726         .flags          = PHY_HAS_INTERRUPT,
 727         .config_init    = brcm_fet_config_init,
 728         .ack_interrupt  = brcm_fet_ack_interrupt,
 729         .config_intr    = brcm_fet_config_intr,
 730 }, {
 731         .phy_id         = PHY_ID_BCM5241,
 732         .phy_id_mask    = 0xfffffff0,
 733         .name           = "Broadcom BCM5241",
 734         .features       = PHY_BASIC_FEATURES,
 735         .flags          = PHY_HAS_INTERRUPT,
 736         .config_init    = brcm_fet_config_init,
 737         .ack_interrupt  = brcm_fet_ack_interrupt,
 738         .config_intr    = brcm_fet_config_intr,
 739 }, {
 740         .phy_id         = PHY_ID_BCM5395,
 741         .phy_id_mask    = 0xfffffff0,
 742         .name           = "Broadcom BCM5395",
 743         .flags          = PHY_IS_INTERNAL,
 744         .features       = PHY_GBIT_FEATURES,
 745         .get_sset_count = bcm_phy_get_sset_count,
 746         .get_strings    = bcm_phy_get_strings,
 747         .get_stats      = bcm53xx_phy_get_stats,
 748         .probe          = bcm53xx_phy_probe,
 749 }, {
 750         .phy_id         = PHY_ID_BCM89610,
 751         .phy_id_mask    = 0xfffffff0,
 752         .name           = "Broadcom BCM89610",
 753         .features       = PHY_GBIT_FEATURES,
 754         .flags          = PHY_HAS_INTERRUPT,
 755         .config_init    = bcm54xx_config_init,
 756         .ack_interrupt  = bcm_phy_ack_intr,
 757         .config_intr    = bcm_phy_config_intr,
 758 } };
 759
 760 module_phy_driver(broadcom_drivers);
 761
 762 static struct mdio_device_id __maybe_unused broadcom_tbl[] = {
 763         { PHY_ID_BCM5411, 0xfffffff0 },
 764         { PHY_ID_BCM5421, 0xfffffff0 },
 765         { PHY_ID_BCM54210E, 0xfffffff0 },
 766         { PHY_ID_BCM5461, 0xfffffff0 },
 767         { PHY_ID_BCM54612E, 0xfffffff0 },
 768         { PHY_ID_BCM54616S, 0xfffffff0 },
 769         { PHY_ID_BCM5464, 0xfffffff0 },
 770         { PHY_ID_BCM5481, 0xfffffff0 },
 771         { PHY_ID_BCM54810, 0xfffffff0 },
 772         { PHY_ID_BCM5482, 0xfffffff0 },
 773         { PHY_ID_BCM50610, 0xfffffff0 },
 774         { PHY_ID_BCM50610M, 0xfffffff0 },
 775         { PHY_ID_BCM57780, 0xfffffff0 },
 776         { PHY_ID_BCMAC131, 0xfffffff0 },
 777         { PHY_ID_BCM5241, 0xfffffff0 },
 778         { PHY_ID_BCM5395, 0xfffffff0 },
 779         { PHY_ID_BCM89610, 0xfffffff0 },
 780         { }
 781 };
 782
 783 MODULE_DEVICE_TABLE(mdio, broadcom_tbl);