Andrew Scull | b4b6d4a | 2019-01-02 15:54:55 +0000 | [diff] [blame^] | 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 bcm5481x_config(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 | bcm5481x_config(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 brcm_phy_setbits(struct phy_device *phydev, int reg, int set) |
| 446 | { |
| 447 | int val; |
| 448 | |
| 449 | val = phy_read(phydev, reg); |
| 450 | if (val < 0) |
| 451 | return val; |
| 452 | |
| 453 | return phy_write(phydev, reg, val | set); |
| 454 | } |
| 455 | |
| 456 | static int brcm_fet_config_init(struct phy_device *phydev) |
| 457 | { |
| 458 | int reg, err, err2, brcmtest; |
| 459 | |
| 460 | /* Reset the PHY to bring it to a known state. */ |
| 461 | err = phy_write(phydev, MII_BMCR, BMCR_RESET); |
| 462 | if (err < 0) |
| 463 | return err; |
| 464 | |
| 465 | reg = phy_read(phydev, MII_BRCM_FET_INTREG); |
| 466 | if (reg < 0) |
| 467 | return reg; |
| 468 | |
| 469 | /* Unmask events we are interested in and mask interrupts globally. */ |
| 470 | reg = MII_BRCM_FET_IR_DUPLEX_EN | |
| 471 | MII_BRCM_FET_IR_SPEED_EN | |
| 472 | MII_BRCM_FET_IR_LINK_EN | |
| 473 | MII_BRCM_FET_IR_ENABLE | |
| 474 | MII_BRCM_FET_IR_MASK; |
| 475 | |
| 476 | err = phy_write(phydev, MII_BRCM_FET_INTREG, reg); |
| 477 | if (err < 0) |
| 478 | return err; |
| 479 | |
| 480 | /* Enable shadow register access */ |
| 481 | brcmtest = phy_read(phydev, MII_BRCM_FET_BRCMTEST); |
| 482 | if (brcmtest < 0) |
| 483 | return brcmtest; |
| 484 | |
| 485 | reg = brcmtest | MII_BRCM_FET_BT_SRE; |
| 486 | |
| 487 | err = phy_write(phydev, MII_BRCM_FET_BRCMTEST, reg); |
| 488 | if (err < 0) |
| 489 | return err; |
| 490 | |
| 491 | /* Set the LED mode */ |
| 492 | reg = phy_read(phydev, MII_BRCM_FET_SHDW_AUXMODE4); |
| 493 | if (reg < 0) { |
| 494 | err = reg; |
| 495 | goto done; |
| 496 | } |
| 497 | |
| 498 | reg &= ~MII_BRCM_FET_SHDW_AM4_LED_MASK; |
| 499 | reg |= MII_BRCM_FET_SHDW_AM4_LED_MODE1; |
| 500 | |
| 501 | err = phy_write(phydev, MII_BRCM_FET_SHDW_AUXMODE4, reg); |
| 502 | if (err < 0) |
| 503 | goto done; |
| 504 | |
| 505 | /* Enable auto MDIX */ |
| 506 | err = brcm_phy_setbits(phydev, MII_BRCM_FET_SHDW_MISCCTRL, |
| 507 | MII_BRCM_FET_SHDW_MC_FAME); |
| 508 | if (err < 0) |
| 509 | goto done; |
| 510 | |
| 511 | if (phydev->dev_flags & PHY_BRCM_AUTO_PWRDWN_ENABLE) { |
| 512 | /* Enable auto power down */ |
| 513 | err = brcm_phy_setbits(phydev, MII_BRCM_FET_SHDW_AUXSTAT2, |
| 514 | MII_BRCM_FET_SHDW_AS2_APDE); |
| 515 | } |
| 516 | |
| 517 | done: |
| 518 | /* Disable shadow register access */ |
| 519 | err2 = phy_write(phydev, MII_BRCM_FET_BRCMTEST, brcmtest); |
| 520 | if (!err) |
| 521 | err = err2; |
| 522 | |
| 523 | return err; |
| 524 | } |
| 525 | |
| 526 | static int brcm_fet_ack_interrupt(struct phy_device *phydev) |
| 527 | { |
| 528 | int reg; |
| 529 | |
| 530 | /* Clear pending interrupts. */ |
| 531 | reg = phy_read(phydev, MII_BRCM_FET_INTREG); |
| 532 | if (reg < 0) |
| 533 | return reg; |
| 534 | |
| 535 | return 0; |
| 536 | } |
| 537 | |
| 538 | static int brcm_fet_config_intr(struct phy_device *phydev) |
| 539 | { |
| 540 | int reg, err; |
| 541 | |
| 542 | reg = phy_read(phydev, MII_BRCM_FET_INTREG); |
| 543 | if (reg < 0) |
| 544 | return reg; |
| 545 | |
| 546 | if (phydev->interrupts == PHY_INTERRUPT_ENABLED) |
| 547 | reg &= ~MII_BRCM_FET_IR_MASK; |
| 548 | else |
| 549 | reg |= MII_BRCM_FET_IR_MASK; |
| 550 | |
| 551 | err = phy_write(phydev, MII_BRCM_FET_INTREG, reg); |
| 552 | return err; |
| 553 | } |
| 554 | |
| 555 | struct bcm53xx_phy_priv { |
| 556 | u64 *stats; |
| 557 | }; |
| 558 | |
| 559 | static int bcm53xx_phy_probe(struct phy_device *phydev) |
| 560 | { |
| 561 | struct bcm53xx_phy_priv *priv; |
| 562 | |
| 563 | priv = devm_kzalloc(&phydev->mdio.dev, sizeof(*priv), GFP_KERNEL); |
| 564 | if (!priv) |
| 565 | return -ENOMEM; |
| 566 | |
| 567 | phydev->priv = priv; |
| 568 | |
| 569 | priv->stats = devm_kcalloc(&phydev->mdio.dev, |
| 570 | bcm_phy_get_sset_count(phydev), sizeof(u64), |
| 571 | GFP_KERNEL); |
| 572 | if (!priv->stats) |
| 573 | return -ENOMEM; |
| 574 | |
| 575 | return 0; |
| 576 | } |
| 577 | |
| 578 | static void bcm53xx_phy_get_stats(struct phy_device *phydev, |
| 579 | struct ethtool_stats *stats, u64 *data) |
| 580 | { |
| 581 | struct bcm53xx_phy_priv *priv = phydev->priv; |
| 582 | |
| 583 | bcm_phy_get_stats(phydev, priv->stats, stats, data); |
| 584 | } |
| 585 | |
| 586 | static struct phy_driver broadcom_drivers[] = { |
| 587 | { |
| 588 | .phy_id = PHY_ID_BCM5411, |
| 589 | .phy_id_mask = 0xfffffff0, |
| 590 | .name = "Broadcom BCM5411", |
| 591 | .features = PHY_GBIT_FEATURES, |
| 592 | .flags = PHY_HAS_INTERRUPT, |
| 593 | .config_init = bcm54xx_config_init, |
| 594 | .ack_interrupt = bcm_phy_ack_intr, |
| 595 | .config_intr = bcm_phy_config_intr, |
| 596 | }, { |
| 597 | .phy_id = PHY_ID_BCM5421, |
| 598 | .phy_id_mask = 0xfffffff0, |
| 599 | .name = "Broadcom BCM5421", |
| 600 | .features = PHY_GBIT_FEATURES, |
| 601 | .flags = PHY_HAS_INTERRUPT, |
| 602 | .config_init = bcm54xx_config_init, |
| 603 | .ack_interrupt = bcm_phy_ack_intr, |
| 604 | .config_intr = bcm_phy_config_intr, |
| 605 | }, { |
| 606 | .phy_id = PHY_ID_BCM54210E, |
| 607 | .phy_id_mask = 0xfffffff0, |
| 608 | .name = "Broadcom BCM54210E", |
| 609 | .features = PHY_GBIT_FEATURES, |
| 610 | .flags = PHY_HAS_INTERRUPT, |
| 611 | .config_init = bcm54xx_config_init, |
| 612 | .ack_interrupt = bcm_phy_ack_intr, |
| 613 | .config_intr = bcm_phy_config_intr, |
| 614 | }, { |
| 615 | .phy_id = PHY_ID_BCM5461, |
| 616 | .phy_id_mask = 0xfffffff0, |
| 617 | .name = "Broadcom BCM5461", |
| 618 | .features = PHY_GBIT_FEATURES, |
| 619 | .flags = PHY_HAS_INTERRUPT, |
| 620 | .config_init = bcm54xx_config_init, |
| 621 | .ack_interrupt = bcm_phy_ack_intr, |
| 622 | .config_intr = bcm_phy_config_intr, |
| 623 | }, { |
| 624 | .phy_id = PHY_ID_BCM54612E, |
| 625 | .phy_id_mask = 0xfffffff0, |
| 626 | .name = "Broadcom BCM54612E", |
| 627 | .features = PHY_GBIT_FEATURES, |
| 628 | .flags = PHY_HAS_INTERRUPT, |
| 629 | .config_init = bcm54xx_config_init, |
| 630 | .ack_interrupt = bcm_phy_ack_intr, |
| 631 | .config_intr = bcm_phy_config_intr, |
| 632 | }, { |
| 633 | .phy_id = PHY_ID_BCM54616S, |
| 634 | .phy_id_mask = 0xfffffff0, |
| 635 | .name = "Broadcom BCM54616S", |
| 636 | .features = PHY_GBIT_FEATURES, |
| 637 | .flags = PHY_HAS_INTERRUPT, |
| 638 | .config_init = bcm54xx_config_init, |
| 639 | .ack_interrupt = bcm_phy_ack_intr, |
| 640 | .config_intr = bcm_phy_config_intr, |
| 641 | }, { |
| 642 | .phy_id = PHY_ID_BCM5464, |
| 643 | .phy_id_mask = 0xfffffff0, |
| 644 | .name = "Broadcom BCM5464", |
| 645 | .features = PHY_GBIT_FEATURES, |
| 646 | .flags = PHY_HAS_INTERRUPT, |
| 647 | .config_init = bcm54xx_config_init, |
| 648 | .ack_interrupt = bcm_phy_ack_intr, |
| 649 | .config_intr = bcm_phy_config_intr, |
| 650 | }, { |
| 651 | .phy_id = PHY_ID_BCM5481, |
| 652 | .phy_id_mask = 0xfffffff0, |
| 653 | .name = "Broadcom BCM5481", |
| 654 | .features = PHY_GBIT_FEATURES, |
| 655 | .flags = PHY_HAS_INTERRUPT, |
| 656 | .config_init = bcm54xx_config_init, |
| 657 | .config_aneg = bcm5481_config_aneg, |
| 658 | .ack_interrupt = bcm_phy_ack_intr, |
| 659 | .config_intr = bcm_phy_config_intr, |
| 660 | }, { |
| 661 | .phy_id = PHY_ID_BCM54810, |
| 662 | .phy_id_mask = 0xfffffff0, |
| 663 | .name = "Broadcom BCM54810", |
| 664 | .features = PHY_GBIT_FEATURES, |
| 665 | .flags = PHY_HAS_INTERRUPT, |
| 666 | .config_init = bcm54xx_config_init, |
| 667 | .config_aneg = bcm5481_config_aneg, |
| 668 | .ack_interrupt = bcm_phy_ack_intr, |
| 669 | .config_intr = bcm_phy_config_intr, |
| 670 | }, { |
| 671 | .phy_id = PHY_ID_BCM5482, |
| 672 | .phy_id_mask = 0xfffffff0, |
| 673 | .name = "Broadcom BCM5482", |
| 674 | .features = PHY_GBIT_FEATURES, |
| 675 | .flags = PHY_HAS_INTERRUPT, |
| 676 | .config_init = bcm5482_config_init, |
| 677 | .read_status = bcm5482_read_status, |
| 678 | .ack_interrupt = bcm_phy_ack_intr, |
| 679 | .config_intr = bcm_phy_config_intr, |
| 680 | }, { |
| 681 | .phy_id = PHY_ID_BCM50610, |
| 682 | .phy_id_mask = 0xfffffff0, |
| 683 | .name = "Broadcom BCM50610", |
| 684 | .features = PHY_GBIT_FEATURES, |
| 685 | .flags = PHY_HAS_INTERRUPT, |
| 686 | .config_init = bcm54xx_config_init, |
| 687 | .ack_interrupt = bcm_phy_ack_intr, |
| 688 | .config_intr = bcm_phy_config_intr, |
| 689 | }, { |
| 690 | .phy_id = PHY_ID_BCM50610M, |
| 691 | .phy_id_mask = 0xfffffff0, |
| 692 | .name = "Broadcom BCM50610M", |
| 693 | .features = PHY_GBIT_FEATURES, |
| 694 | .flags = PHY_HAS_INTERRUPT, |
| 695 | .config_init = bcm54xx_config_init, |
| 696 | .ack_interrupt = bcm_phy_ack_intr, |
| 697 | .config_intr = bcm_phy_config_intr, |
| 698 | }, { |
| 699 | .phy_id = PHY_ID_BCM57780, |
| 700 | .phy_id_mask = 0xfffffff0, |
| 701 | .name = "Broadcom BCM57780", |
| 702 | .features = PHY_GBIT_FEATURES, |
| 703 | .flags = PHY_HAS_INTERRUPT, |
| 704 | .config_init = bcm54xx_config_init, |
| 705 | .ack_interrupt = bcm_phy_ack_intr, |
| 706 | .config_intr = bcm_phy_config_intr, |
| 707 | }, { |
| 708 | .phy_id = PHY_ID_BCMAC131, |
| 709 | .phy_id_mask = 0xfffffff0, |
| 710 | .name = "Broadcom BCMAC131", |
| 711 | .features = PHY_BASIC_FEATURES, |
| 712 | .flags = PHY_HAS_INTERRUPT, |
| 713 | .config_init = brcm_fet_config_init, |
| 714 | .ack_interrupt = brcm_fet_ack_interrupt, |
| 715 | .config_intr = brcm_fet_config_intr, |
| 716 | }, { |
| 717 | .phy_id = PHY_ID_BCM5241, |
| 718 | .phy_id_mask = 0xfffffff0, |
| 719 | .name = "Broadcom BCM5241", |
| 720 | .features = PHY_BASIC_FEATURES, |
| 721 | .flags = PHY_HAS_INTERRUPT, |
| 722 | .config_init = brcm_fet_config_init, |
| 723 | .ack_interrupt = brcm_fet_ack_interrupt, |
| 724 | .config_intr = brcm_fet_config_intr, |
| 725 | }, { |
| 726 | .phy_id = PHY_ID_BCM5395, |
| 727 | .phy_id_mask = 0xfffffff0, |
| 728 | .name = "Broadcom BCM5395", |
| 729 | .flags = PHY_IS_INTERNAL, |
| 730 | .features = PHY_GBIT_FEATURES, |
| 731 | .get_sset_count = bcm_phy_get_sset_count, |
| 732 | .get_strings = bcm_phy_get_strings, |
| 733 | .get_stats = bcm53xx_phy_get_stats, |
| 734 | .probe = bcm53xx_phy_probe, |
| 735 | }, { |
| 736 | .phy_id = PHY_ID_BCM89610, |
| 737 | .phy_id_mask = 0xfffffff0, |
| 738 | .name = "Broadcom BCM89610", |
| 739 | .features = PHY_GBIT_FEATURES, |
| 740 | .flags = PHY_HAS_INTERRUPT, |
| 741 | .config_init = bcm54xx_config_init, |
| 742 | .ack_interrupt = bcm_phy_ack_intr, |
| 743 | .config_intr = bcm_phy_config_intr, |
| 744 | } }; |
| 745 | |
| 746 | module_phy_driver(broadcom_drivers); |
| 747 | |
| 748 | static struct mdio_device_id __maybe_unused broadcom_tbl[] = { |
| 749 | { PHY_ID_BCM5411, 0xfffffff0 }, |
| 750 | { PHY_ID_BCM5421, 0xfffffff0 }, |
| 751 | { PHY_ID_BCM54210E, 0xfffffff0 }, |
| 752 | { PHY_ID_BCM5461, 0xfffffff0 }, |
| 753 | { PHY_ID_BCM54612E, 0xfffffff0 }, |
| 754 | { PHY_ID_BCM54616S, 0xfffffff0 }, |
| 755 | { PHY_ID_BCM5464, 0xfffffff0 }, |
| 756 | { PHY_ID_BCM5481, 0xfffffff0 }, |
| 757 | { PHY_ID_BCM54810, 0xfffffff0 }, |
| 758 | { PHY_ID_BCM5482, 0xfffffff0 }, |
| 759 | { PHY_ID_BCM50610, 0xfffffff0 }, |
| 760 | { PHY_ID_BCM50610M, 0xfffffff0 }, |
| 761 | { PHY_ID_BCM57780, 0xfffffff0 }, |
| 762 | { PHY_ID_BCMAC131, 0xfffffff0 }, |
| 763 | { PHY_ID_BCM5241, 0xfffffff0 }, |
| 764 | { PHY_ID_BCM5395, 0xfffffff0 }, |
| 765 | { PHY_ID_BCM89610, 0xfffffff0 }, |
| 766 | { } |
| 767 | }; |
| 768 | |
| 769 | MODULE_DEVICE_TABLE(mdio, broadcom_tbl); |