broadcom.c 20.2 KB
Newer Older
1
// SPDX-License-Identifier: GPL-2.0+
2 3 4 5 6 7 8 9 10 11 12
/*
 *	drivers/net/phy/broadcom.c
 *
 *	Broadcom BCM5411, BCM5421 and BCM5461 Gigabit Ethernet
 *	transceivers.
 *
 *	Copyright (c) 2006  Maciej W. Rozycki
 *
 *	Inspired by code written by Amy Fong.
 */

13
#include "bcm-phy-lib.h"
14 15
#include <linux/module.h>
#include <linux/phy.h>
16
#include <linux/brcmphy.h>
17
#include <linux/of.h>
18 19 20 21

#define BRCM_PHY_MODEL(phydev) \
	((phydev)->drv->phy_id & (phydev)->drv->phy_id_mask)

22 23 24
#define BRCM_PHY_REV(phydev) \
	((phydev)->drv->phy_id & ~((phydev)->drv->phy_id_mask))

25 26 27 28
MODULE_DESCRIPTION("Broadcom PHY driver");
MODULE_AUTHOR("Maciej W. Rozycki");
MODULE_LICENSE("GPL");

29 30
static int bcm54xx_config_clock_delay(struct phy_device *phydev);

31 32 33 34
static int bcm54210e_config_init(struct phy_device *phydev)
{
	int val;

35
	bcm54xx_config_clock_delay(phydev);
36

37 38 39 40 41 42
	if (phydev->dev_flags & PHY_BRCM_EN_MASTER_MODE) {
		val = phy_read(phydev, MII_CTRL1000);
		val |= CTL1000_AS_MASTER | CTL1000_ENABLE_MASTER;
		phy_write(phydev, MII_CTRL1000, val);
	}

43 44 45
	return 0;
}

46 47
static int bcm54612e_config_init(struct phy_device *phydev)
{
48 49
	int reg;

50
	bcm54xx_config_clock_delay(phydev);
51

52 53 54 55 56 57 58 59 60 61 62 63
	/* Enable CLK125 MUX on LED4 if ref clock is enabled. */
	if (!(phydev->dev_flags & PHY_BRCM_RX_REFCLK_UNUSED)) {
		int err;

		reg = bcm_phy_read_exp(phydev, BCM54612E_EXP_SPARE0);
		err = bcm_phy_write_exp(phydev, BCM54612E_EXP_SPARE0,
					BCM54612E_LED4_CLK125OUT_EN | reg);

		if (err < 0)
			return err;
	}

64 65 66
	return 0;
}

67
static int bcm54xx_config_clock_delay(struct phy_device *phydev)
68 69 70
{
	int rc, val;

71
	/* handling PHY's internal RX clock delay */
72 73
	val = bcm54xx_auxctl_read(phydev, MII_BCM54XX_AUXCTL_SHDWSEL_MISC);
	val |= MII_BCM54XX_AUXCTL_MISC_WREN;
74 75 76 77 78 79 80 81 82 83
	if (phydev->interface == PHY_INTERFACE_MODE_RGMII ||
	    phydev->interface == PHY_INTERFACE_MODE_RGMII_TXID) {
		/* Disable RGMII RXC-RXD skew */
		val &= ~MII_BCM54XX_AUXCTL_SHDWSEL_MISC_RGMII_SKEW_EN;
	}
	if (phydev->interface == PHY_INTERFACE_MODE_RGMII_ID ||
	    phydev->interface == PHY_INTERFACE_MODE_RGMII_RXID) {
		/* Enable RGMII RXC-RXD skew */
		val |= MII_BCM54XX_AUXCTL_SHDWSEL_MISC_RGMII_SKEW_EN;
	}
84 85 86 87 88
	rc = bcm54xx_auxctl_write(phydev, MII_BCM54XX_AUXCTL_SHDWSEL_MISC,
				  val);
	if (rc < 0)
		return rc;

89
	/* handling PHY's internal TX clock delay */
90
	val = bcm_phy_read_shadow(phydev, BCM54810_SHD_CLK_CTL);
91 92 93 94 95 96 97 98 99 100
	if (phydev->interface == PHY_INTERFACE_MODE_RGMII ||
	    phydev->interface == PHY_INTERFACE_MODE_RGMII_RXID) {
		/* Disable internal TX clock delay */
		val &= ~BCM54810_SHD_CLK_CTL_GTXCLK_EN;
	}
	if (phydev->interface == PHY_INTERFACE_MODE_RGMII_ID ||
	    phydev->interface == PHY_INTERFACE_MODE_RGMII_TXID) {
		/* Enable internal TX clock delay */
		val |= BCM54810_SHD_CLK_CTL_GTXCLK_EN;
	}
101 102 103 104 105 106 107
	rc = bcm_phy_write_shadow(phydev, BCM54810_SHD_CLK_CTL, val);
	if (rc < 0)
		return rc;

	return 0;
}

M
Matt Carlson 已提交
108
/* Needs SMDSP clock enabled via bcm54xx_phydsp_config() */
M
Matt Carlson 已提交
109 110 111 112
static int bcm50610_a0_workaround(struct phy_device *phydev)
{
	int err;

113
	err = bcm_phy_write_exp(phydev, MII_BCM54XX_EXP_AADJ1CH0,
M
Matt Carlson 已提交
114 115 116
				MII_BCM54XX_EXP_AADJ1CH0_SWP_ABCD_OEN |
				MII_BCM54XX_EXP_AADJ1CH0_SWSEL_THPF);
	if (err < 0)
M
Matt Carlson 已提交
117
		return err;
M
Matt Carlson 已提交
118

119 120
	err = bcm_phy_write_exp(phydev, MII_BCM54XX_EXP_AADJ1CH3,
				MII_BCM54XX_EXP_AADJ1CH3_ADCCKADJ);
M
Matt Carlson 已提交
121
	if (err < 0)
M
Matt Carlson 已提交
122
		return err;
M
Matt Carlson 已提交
123

124
	err = bcm_phy_write_exp(phydev, MII_BCM54XX_EXP_EXP75,
M
Matt Carlson 已提交
125 126
				MII_BCM54XX_EXP_EXP75_VDACCTRL);
	if (err < 0)
M
Matt Carlson 已提交
127
		return err;
M
Matt Carlson 已提交
128

129
	err = bcm_phy_write_exp(phydev, MII_BCM54XX_EXP_EXP96,
M
Matt Carlson 已提交
130 131
				MII_BCM54XX_EXP_EXP96_MYST);
	if (err < 0)
M
Matt Carlson 已提交
132
		return err;
M
Matt Carlson 已提交
133

134
	err = bcm_phy_write_exp(phydev, MII_BCM54XX_EXP_EXP97,
M
Matt Carlson 已提交
135 136
				MII_BCM54XX_EXP_EXP97_MYST);

M
Matt Carlson 已提交
137 138 139 140 141 142 143 144 145 146 147 148 149 150 151
	return err;
}

static int bcm54xx_phydsp_config(struct phy_device *phydev)
{
	int err, err2;

	/* Enable the SMDSP clock */
	err = bcm54xx_auxctl_write(phydev,
				   MII_BCM54XX_AUXCTL_SHDWSEL_AUXCTL,
				   MII_BCM54XX_AUXCTL_ACTL_SMDSP_ENA |
				   MII_BCM54XX_AUXCTL_ACTL_TX_6DB);
	if (err < 0)
		return err;

M
Matt Carlson 已提交
152 153 154
	if (BRCM_PHY_MODEL(phydev) == PHY_ID_BCM50610 ||
	    BRCM_PHY_MODEL(phydev) == PHY_ID_BCM50610M) {
		/* Clear bit 9 to fix a phy interop issue. */
155
		err = bcm_phy_write_exp(phydev, MII_BCM54XX_EXP_EXP08,
M
Matt Carlson 已提交
156 157 158 159 160 161 162 163 164 165
					MII_BCM54XX_EXP_EXP08_RJCT_2MHZ);
		if (err < 0)
			goto error;

		if (phydev->drv->phy_id == PHY_ID_BCM50610) {
			err = bcm50610_a0_workaround(phydev);
			if (err < 0)
				goto error;
		}
	}
M
Matt Carlson 已提交
166 167 168 169

	if (BRCM_PHY_MODEL(phydev) == PHY_ID_BCM57780) {
		int val;

170
		val = bcm_phy_read_exp(phydev, MII_BCM54XX_EXP_EXP75);
M
Matt Carlson 已提交
171 172 173 174
		if (val < 0)
			goto error;

		val |= MII_BCM54XX_EXP_EXP75_CM_OSC;
175
		err = bcm_phy_write_exp(phydev, MII_BCM54XX_EXP_EXP75, val);
M
Matt Carlson 已提交
176 177
	}

M
Matt Carlson 已提交
178
error:
M
Matt Carlson 已提交
179 180 181 182
	/* Disable the SMDSP clock */
	err2 = bcm54xx_auxctl_write(phydev,
				    MII_BCM54XX_AUXCTL_SHDWSEL_AUXCTL,
				    MII_BCM54XX_AUXCTL_ACTL_TX_6DB);
M
Matt Carlson 已提交
183

M
Matt Carlson 已提交
184 185
	/* Return the first error reported. */
	return err ? err : err2;
M
Matt Carlson 已提交
186 187
}

188 189
static void bcm54xx_adjust_rxrefclk(struct phy_device *phydev)
{
190 191
	u32 orig;
	int val;
192
	bool clk125en = true;
193 194

	/* Abort if we are using an untested phy. */
195 196
	if (BRCM_PHY_MODEL(phydev) != PHY_ID_BCM57780 &&
	    BRCM_PHY_MODEL(phydev) != PHY_ID_BCM50610 &&
197 198
	    BRCM_PHY_MODEL(phydev) != PHY_ID_BCM50610M &&
	    BRCM_PHY_MODEL(phydev) != PHY_ID_BCM54810)
199 200
		return;

201
	val = bcm_phy_read_shadow(phydev, BCM54XX_SHD_SCR3);
202 203 204 205 206
	if (val < 0)
		return;

	orig = val;

207 208 209 210 211 212 213 214 215 216
	if ((BRCM_PHY_MODEL(phydev) == PHY_ID_BCM50610 ||
	     BRCM_PHY_MODEL(phydev) == PHY_ID_BCM50610M) &&
	    BRCM_PHY_REV(phydev) >= 0x3) {
		/*
		 * Here, bit 0 _disables_ CLK125 when set.
		 * This bit is set by default.
		 */
		clk125en = false;
	} else {
		if (phydev->dev_flags & PHY_BRCM_RX_REFCLK_UNUSED) {
217 218
			/* Here, bit 0 _enables_ CLK125 when set */
			val &= ~BCM54XX_SHD_SCR3_DEF_CLK125;
219
			clk125en = false;
220 221 222
		}
	}

223
	if (!clk125en || (phydev->dev_flags & PHY_BRCM_AUTO_PWRDWN_ENABLE))
224 225 226 227
		val &= ~BCM54XX_SHD_SCR3_DLLAPD_DIS;
	else
		val |= BCM54XX_SHD_SCR3_DLLAPD_DIS;

228 229 230
	if (phydev->dev_flags & PHY_BRCM_DIS_TXCRXC_NOENRGY)
		val |= BCM54XX_SHD_SCR3_TRDDAPD;

231
	if (orig != val)
232
		bcm_phy_write_shadow(phydev, BCM54XX_SHD_SCR3, val);
233

234
	val = bcm_phy_read_shadow(phydev, BCM54XX_SHD_APD);
235 236 237 238 239
	if (val < 0)
		return;

	orig = val;

240
	if (!clk125en || (phydev->dev_flags & PHY_BRCM_AUTO_PWRDWN_ENABLE))
241 242 243 244 245
		val |= BCM54XX_SHD_APD_EN;
	else
		val &= ~BCM54XX_SHD_APD_EN;

	if (orig != val)
246
		bcm_phy_write_shadow(phydev, BCM54XX_SHD_APD, val);
247 248
}

249 250
static int bcm54xx_config_init(struct phy_device *phydev)
{
251
	int reg, err, val;
252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269

	reg = phy_read(phydev, MII_BCM54XX_ECR);
	if (reg < 0)
		return reg;

	/* Mask interrupts globally.  */
	reg |= MII_BCM54XX_ECR_IM;
	err = phy_write(phydev, MII_BCM54XX_ECR, reg);
	if (err < 0)
		return err;

	/* Unmask events we are interested in.  */
	reg = ~(MII_BCM54XX_INT_DUPLEX |
		MII_BCM54XX_INT_SPEED |
		MII_BCM54XX_INT_LINK);
	err = phy_write(phydev, MII_BCM54XX_IMR, reg);
	if (err < 0)
		return err;
M
Matt Carlson 已提交
270

271 272 273
	if ((BRCM_PHY_MODEL(phydev) == PHY_ID_BCM50610 ||
	     BRCM_PHY_MODEL(phydev) == PHY_ID_BCM50610M) &&
	    (phydev->dev_flags & PHY_BRCM_CLEAR_RGMII_MODE))
274
		bcm_phy_write_shadow(phydev, BCM54XX_SHD_RGMII_MODE, 0);
275

276
	if ((phydev->dev_flags & PHY_BRCM_RX_REFCLK_UNUSED) ||
277
	    (phydev->dev_flags & PHY_BRCM_DIS_TXCRXC_NOENRGY) ||
278
	    (phydev->dev_flags & PHY_BRCM_AUTO_PWRDWN_ENABLE))
279 280
		bcm54xx_adjust_rxrefclk(phydev);

281 282 283 284
	if (BRCM_PHY_MODEL(phydev) == PHY_ID_BCM54210E) {
		err = bcm54210e_config_init(phydev);
		if (err)
			return err;
285 286 287 288
	} else if (BRCM_PHY_MODEL(phydev) == PHY_ID_BCM54612E) {
		err = bcm54612e_config_init(phydev);
		if (err)
			return err;
289
	} else if (BRCM_PHY_MODEL(phydev) == PHY_ID_BCM54810) {
290 291 292 293 294 295 296 297
		/* For BCM54810, we need to disable BroadR-Reach function */
		val = bcm_phy_read_exp(phydev,
				       BCM54810_EXP_BROADREACH_LRE_MISC_CTL);
		val &= ~BCM54810_EXP_BROADREACH_LRE_MISC_CTL_EN;
		err = bcm_phy_write_exp(phydev,
					BCM54810_EXP_BROADREACH_LRE_MISC_CTL,
					val);
		if (err < 0)
298 299 300
			return err;
	}

M
Matt Carlson 已提交
301
	bcm54xx_phydsp_config(phydev);
302

303 304 305 306 307 308 309 310 311 312 313 314 315
	/* Encode link speed into LED1 and LED3 pair (green/amber).
	 * Also flash these two LEDs on activity. This means configuring
	 * them for MULTICOLOR and encoding link/activity into them.
	 */
	val = BCM5482_SHD_LEDS1_LED1(BCM_LED_SRC_MULTICOLOR1) |
		BCM5482_SHD_LEDS1_LED3(BCM_LED_SRC_MULTICOLOR1);
	bcm_phy_write_shadow(phydev, BCM5482_SHD_LEDS1, val);

	val = BCM_LED_MULTICOLOR_IN_PHASE |
		BCM5482_SHD_LEDS1_LED1(BCM_LED_MULTICOLOR_LINK_ACT) |
		BCM5482_SHD_LEDS1_LED3(BCM_LED_MULTICOLOR_LINK_ACT);
	bcm_phy_write_exp(phydev, BCM_EXP_MULTICOLOR, val);

316 317 318
	return 0;
}

319 320 321 322 323 324 325 326 327 328
static int bcm5482_config_init(struct phy_device *phydev)
{
	int err, reg;

	err = bcm54xx_config_init(phydev);

	if (phydev->dev_flags & PHY_BCM_FLAGS_MODE_1000BX) {
		/*
		 * Enable secondary SerDes and its use as an LED source
		 */
329 330
		reg = bcm_phy_read_shadow(phydev, BCM5482_SHD_SSD);
		bcm_phy_write_shadow(phydev, BCM5482_SHD_SSD,
331 332 333 334 335 336 337
				     reg |
				     BCM5482_SHD_SSD_LEDM |
				     BCM5482_SHD_SSD_EN);

		/*
		 * Enable SGMII slave mode and auto-detection
		 */
338
		reg = BCM5482_SSD_SGMII_SLAVE | MII_BCM54XX_EXP_SEL_SSD;
339
		err = bcm_phy_read_exp(phydev, reg);
340 341
		if (err < 0)
			return err;
342
		err = bcm_phy_write_exp(phydev, reg, err |
343 344 345 346
					BCM5482_SSD_SGMII_SLAVE_EN |
					BCM5482_SSD_SGMII_SLAVE_AD);
		if (err < 0)
			return err;
347 348 349 350

		/*
		 * Disable secondary SerDes powerdown
		 */
351
		reg = BCM5482_SSD_1000BX_CTL | MII_BCM54XX_EXP_SEL_SSD;
352
		err = bcm_phy_read_exp(phydev, reg);
353 354
		if (err < 0)
			return err;
355
		err = bcm_phy_write_exp(phydev, reg,
356 357 358
					err & ~BCM5482_SSD_1000BX_CTL_PWRDOWN);
		if (err < 0)
			return err;
359 360 361 362

		/*
		 * Select 1000BASE-X register set (primary SerDes)
		 */
363 364 365
		reg = bcm_phy_read_shadow(phydev, BCM54XX_SHD_MODE);
		bcm_phy_write_shadow(phydev, BCM54XX_SHD_MODE,
				     reg | BCM54XX_SHD_MODE_1000BX);
366 367 368 369 370

		/*
		 * LED1=ACTIVITYLED, LED3=LINKSPD[2]
		 * (Use LED1 as secondary SerDes ACTIVITY LED)
		 */
371
		bcm_phy_write_shadow(phydev, BCM5482_SHD_LEDS1,
372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408
			BCM5482_SHD_LEDS1_LED1(BCM_LED_SRC_ACTIVITYLED) |
			BCM5482_SHD_LEDS1_LED3(BCM_LED_SRC_LINKSPD2));

		/*
		 * Auto-negotiation doesn't seem to work quite right
		 * in this mode, so we disable it and force it to the
		 * right speed/duplex setting.  Only 'link status'
		 * is important.
		 */
		phydev->autoneg = AUTONEG_DISABLE;
		phydev->speed = SPEED_1000;
		phydev->duplex = DUPLEX_FULL;
	}

	return err;
}

static int bcm5482_read_status(struct phy_device *phydev)
{
	int err;

	err = genphy_read_status(phydev);

	if (phydev->dev_flags & PHY_BCM_FLAGS_MODE_1000BX) {
		/*
		 * Only link status matters for 1000Base-X mode, so force
		 * 1000 Mbit/s full-duplex status
		 */
		if (phydev->link) {
			phydev->speed = SPEED_1000;
			phydev->duplex = DUPLEX_FULL;
		}
	}

	return err;
}

409 410
static int bcm5481_config_aneg(struct phy_device *phydev)
{
411
	struct device_node *np = phydev->mdio.dev.of_node;
412 413 414 415 416 417
	int ret;

	/* Aneg firsly. */
	ret = genphy_config_aneg(phydev);

	/* Then we can set up the delay. */
418
	bcm54xx_config_clock_delay(phydev);
419

420 421 422 423 424 425 426 427
	if (of_property_read_bool(np, "enet-phy-lane-swap")) {
		/* Lane Swap - Undocumented register...magic! */
		ret = bcm_phy_write_exp(phydev, MII_BCM54XX_EXP_SEL_ER + 0x9,
					0x11B);
		if (ret < 0)
			return ret;
	}

428 429 430
	return ret;
}

431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 453 454 455 456 457 458 459 460 461 462
static int bcm54616s_probe(struct phy_device *phydev)
{
	int val, intf_sel;

	val = bcm_phy_read_shadow(phydev, BCM54XX_SHD_MODE);
	if (val < 0)
		return val;

	/* The PHY is strapped in RGMII-fiber mode when INTERF_SEL[1:0]
	 * is 01b, and the link between PHY and its link partner can be
	 * either 1000Base-X or 100Base-FX.
	 * RGMII-1000Base-X is properly supported, but RGMII-100Base-FX
	 * support is still missing as of now.
	 */
	intf_sel = (val & BCM54XX_SHD_INTF_SEL_MASK) >> 1;
	if (intf_sel == 1) {
		val = bcm_phy_read_shadow(phydev, BCM54616S_SHD_100FX_CTRL);
		if (val < 0)
			return val;

		/* Bit 0 of the SerDes 100-FX Control register, when set
		 * to 1, sets the MII/RGMII -> 100BASE-FX configuration.
		 * When this bit is set to 0, it sets the GMII/RGMII ->
		 * 1000BASE-X configuration.
		 */
		if (!(val & BCM54616S_100FX_MODE))
			phydev->dev_flags |= PHY_BCM_FLAGS_MODE_1000BX;
	}

	return 0;
}

463 464 465 466 467
static int bcm54616s_config_aneg(struct phy_device *phydev)
{
	int ret;

	/* Aneg firsly. */
468 469 470 471
	if (phydev->dev_flags & PHY_BCM_FLAGS_MODE_1000BX)
		ret = genphy_c37_config_aneg(phydev);
	else
		ret = genphy_config_aneg(phydev);
472 473 474 475 476 477 478

	/* Then we can set up the delay. */
	bcm54xx_config_clock_delay(phydev);

	return ret;
}

479 480 481 482 483 484 485 486 487 488 489 490
static int bcm54616s_read_status(struct phy_device *phydev)
{
	int err;

	if (phydev->dev_flags & PHY_BCM_FLAGS_MODE_1000BX)
		err = genphy_c37_read_status(phydev);
	else
		err = genphy_read_status(phydev);

	return err;
}

M
Matt Carlson 已提交
491 492 493 494 495 496 497 498 499 500 501 502 503 504 505 506 507 508 509 510 511 512 513 514 515 516 517 518 519 520 521 522 523 524 525 526 527 528 529 530 531 532 533 534 535 536 537 538 539 540 541 542 543 544 545 546 547 548 549 550 551 552 553 554 555 556
static int brcm_phy_setbits(struct phy_device *phydev, int reg, int set)
{
	int val;

	val = phy_read(phydev, reg);
	if (val < 0)
		return val;

	return phy_write(phydev, reg, val | set);
}

static int brcm_fet_config_init(struct phy_device *phydev)
{
	int reg, err, err2, brcmtest;

	/* Reset the PHY to bring it to a known state. */
	err = phy_write(phydev, MII_BMCR, BMCR_RESET);
	if (err < 0)
		return err;

	reg = phy_read(phydev, MII_BRCM_FET_INTREG);
	if (reg < 0)
		return reg;

	/* Unmask events we are interested in and mask interrupts globally. */
	reg = MII_BRCM_FET_IR_DUPLEX_EN |
	      MII_BRCM_FET_IR_SPEED_EN |
	      MII_BRCM_FET_IR_LINK_EN |
	      MII_BRCM_FET_IR_ENABLE |
	      MII_BRCM_FET_IR_MASK;

	err = phy_write(phydev, MII_BRCM_FET_INTREG, reg);
	if (err < 0)
		return err;

	/* Enable shadow register access */
	brcmtest = phy_read(phydev, MII_BRCM_FET_BRCMTEST);
	if (brcmtest < 0)
		return brcmtest;

	reg = brcmtest | MII_BRCM_FET_BT_SRE;

	err = phy_write(phydev, MII_BRCM_FET_BRCMTEST, reg);
	if (err < 0)
		return err;

	/* Set the LED mode */
	reg = phy_read(phydev, MII_BRCM_FET_SHDW_AUXMODE4);
	if (reg < 0) {
		err = reg;
		goto done;
	}

	reg &= ~MII_BRCM_FET_SHDW_AM4_LED_MASK;
	reg |= MII_BRCM_FET_SHDW_AM4_LED_MODE1;

	err = phy_write(phydev, MII_BRCM_FET_SHDW_AUXMODE4, reg);
	if (err < 0)
		goto done;

	/* Enable auto MDIX */
	err = brcm_phy_setbits(phydev, MII_BRCM_FET_SHDW_MISCCTRL,
				       MII_BRCM_FET_SHDW_MC_FAME);
	if (err < 0)
		goto done;

557 558 559 560 561
	if (phydev->dev_flags & PHY_BRCM_AUTO_PWRDWN_ENABLE) {
		/* Enable auto power down */
		err = brcm_phy_setbits(phydev, MII_BRCM_FET_SHDW_AUXSTAT2,
					       MII_BRCM_FET_SHDW_AS2_APDE);
	}
M
Matt Carlson 已提交
562 563 564 565 566 567 568 569 570 571 572 573 574 575 576 577 578 579 580 581 582 583 584 585 586 587 588 589 590 591 592 593 594 595 596 597 598 599 600

done:
	/* Disable shadow register access */
	err2 = phy_write(phydev, MII_BRCM_FET_BRCMTEST, brcmtest);
	if (!err)
		err = err2;

	return err;
}

static int brcm_fet_ack_interrupt(struct phy_device *phydev)
{
	int reg;

	/* Clear pending interrupts.  */
	reg = phy_read(phydev, MII_BRCM_FET_INTREG);
	if (reg < 0)
		return reg;

	return 0;
}

static int brcm_fet_config_intr(struct phy_device *phydev)
{
	int reg, err;

	reg = phy_read(phydev, MII_BRCM_FET_INTREG);
	if (reg < 0)
		return reg;

	if (phydev->interrupts == PHY_INTERRUPT_ENABLED)
		reg &= ~MII_BRCM_FET_IR_MASK;
	else
		reg |= MII_BRCM_FET_IR_MASK;

	err = phy_write(phydev, MII_BRCM_FET_INTREG, reg);
	return err;
}

601 602 603 604 605 606 607 608 609 610 611 612 613 614 615 616 617 618 619 620 621 622 623 624 625 626 627 628 629 630 631
struct bcm53xx_phy_priv {
	u64	*stats;
};

static int bcm53xx_phy_probe(struct phy_device *phydev)
{
	struct bcm53xx_phy_priv *priv;

	priv = devm_kzalloc(&phydev->mdio.dev, sizeof(*priv), GFP_KERNEL);
	if (!priv)
		return -ENOMEM;

	phydev->priv = priv;

	priv->stats = devm_kcalloc(&phydev->mdio.dev,
				   bcm_phy_get_sset_count(phydev), sizeof(u64),
				   GFP_KERNEL);
	if (!priv->stats)
		return -ENOMEM;

	return 0;
}

static void bcm53xx_phy_get_stats(struct phy_device *phydev,
				  struct ethtool_stats *stats, u64 *data)
{
	struct bcm53xx_phy_priv *priv = phydev->priv;

	bcm_phy_get_stats(phydev, priv->stats, stats, data);
}

632 633
static struct phy_driver broadcom_drivers[] = {
{
634
	.phy_id		= PHY_ID_BCM5411,
635 636
	.phy_id_mask	= 0xfffffff0,
	.name		= "Broadcom BCM5411",
637
	/* PHY_GBIT_FEATURES */
638
	.config_init	= bcm54xx_config_init,
639 640
	.ack_interrupt	= bcm_phy_ack_intr,
	.config_intr	= bcm_phy_config_intr,
641
}, {
642
	.phy_id		= PHY_ID_BCM5421,
643 644
	.phy_id_mask	= 0xfffffff0,
	.name		= "Broadcom BCM5421",
645
	/* PHY_GBIT_FEATURES */
646
	.config_init	= bcm54xx_config_init,
647 648
	.ack_interrupt	= bcm_phy_ack_intr,
	.config_intr	= bcm_phy_config_intr,
649 650 651 652
}, {
	.phy_id		= PHY_ID_BCM54210E,
	.phy_id_mask	= 0xfffffff0,
	.name		= "Broadcom BCM54210E",
653
	/* PHY_GBIT_FEATURES */
654 655 656
	.config_init	= bcm54xx_config_init,
	.ack_interrupt	= bcm_phy_ack_intr,
	.config_intr	= bcm_phy_config_intr,
657
}, {
658
	.phy_id		= PHY_ID_BCM5461,
659 660
	.phy_id_mask	= 0xfffffff0,
	.name		= "Broadcom BCM5461",
661
	/* PHY_GBIT_FEATURES */
662
	.config_init	= bcm54xx_config_init,
663 664
	.ack_interrupt	= bcm_phy_ack_intr,
	.config_intr	= bcm_phy_config_intr,
665 666 667 668
}, {
	.phy_id		= PHY_ID_BCM54612E,
	.phy_id_mask	= 0xfffffff0,
	.name		= "Broadcom BCM54612E",
669
	/* PHY_GBIT_FEATURES */
670 671 672
	.config_init	= bcm54xx_config_init,
	.ack_interrupt	= bcm_phy_ack_intr,
	.config_intr	= bcm_phy_config_intr,
673 674 675 676
}, {
	.phy_id		= PHY_ID_BCM54616S,
	.phy_id_mask	= 0xfffffff0,
	.name		= "Broadcom BCM54616S",
677
	/* PHY_GBIT_FEATURES */
678
	.config_init	= bcm54xx_config_init,
679
	.config_aneg	= bcm54616s_config_aneg,
680 681
	.ack_interrupt	= bcm_phy_ack_intr,
	.config_intr	= bcm_phy_config_intr,
682 683
	.read_status	= bcm54616s_read_status,
	.probe		= bcm54616s_probe,
684
}, {
685
	.phy_id		= PHY_ID_BCM5464,
686 687
	.phy_id_mask	= 0xfffffff0,
	.name		= "Broadcom BCM5464",
688
	/* PHY_GBIT_FEATURES */
689
	.config_init	= bcm54xx_config_init,
690 691
	.ack_interrupt	= bcm_phy_ack_intr,
	.config_intr	= bcm_phy_config_intr,
692 693
	.suspend	= genphy_suspend,
	.resume		= genphy_resume,
694
}, {
695
	.phy_id		= PHY_ID_BCM5481,
696 697
	.phy_id_mask	= 0xfffffff0,
	.name		= "Broadcom BCM5481",
698
	/* PHY_GBIT_FEATURES */
699
	.config_init	= bcm54xx_config_init,
700
	.config_aneg	= bcm5481_config_aneg,
701 702
	.ack_interrupt	= bcm_phy_ack_intr,
	.config_intr	= bcm_phy_config_intr,
703 704 705 706
}, {
	.phy_id         = PHY_ID_BCM54810,
	.phy_id_mask    = 0xfffffff0,
	.name           = "Broadcom BCM54810",
707
	/* PHY_GBIT_FEATURES */
708
	.config_init    = bcm54xx_config_init,
709
	.config_aneg    = bcm5481_config_aneg,
710 711
	.ack_interrupt  = bcm_phy_ack_intr,
	.config_intr    = bcm_phy_config_intr,
712
}, {
713
	.phy_id		= PHY_ID_BCM5482,
N
Nate Case 已提交
714 715
	.phy_id_mask	= 0xfffffff0,
	.name		= "Broadcom BCM5482",
716
	/* PHY_GBIT_FEATURES */
717
	.config_init	= bcm5482_config_init,
718
	.read_status	= bcm5482_read_status,
719 720
	.ack_interrupt	= bcm_phy_ack_intr,
	.config_intr	= bcm_phy_config_intr,
721
}, {
M
Matt Carlson 已提交
722 723 724
	.phy_id		= PHY_ID_BCM50610,
	.phy_id_mask	= 0xfffffff0,
	.name		= "Broadcom BCM50610",
725
	/* PHY_GBIT_FEATURES */
M
Matt Carlson 已提交
726
	.config_init	= bcm54xx_config_init,
727 728
	.ack_interrupt	= bcm_phy_ack_intr,
	.config_intr	= bcm_phy_config_intr,
729
}, {
M
Matt Carlson 已提交
730 731 732
	.phy_id		= PHY_ID_BCM50610M,
	.phy_id_mask	= 0xfffffff0,
	.name		= "Broadcom BCM50610M",
733
	/* PHY_GBIT_FEATURES */
M
Matt Carlson 已提交
734
	.config_init	= bcm54xx_config_init,
735 736
	.ack_interrupt	= bcm_phy_ack_intr,
	.config_intr	= bcm_phy_config_intr,
737
}, {
738
	.phy_id		= PHY_ID_BCM57780,
M
Matt Carlson 已提交
739 740
	.phy_id_mask	= 0xfffffff0,
	.name		= "Broadcom BCM57780",
741
	/* PHY_GBIT_FEATURES */
M
Matt Carlson 已提交
742
	.config_init	= bcm54xx_config_init,
743 744
	.ack_interrupt	= bcm_phy_ack_intr,
	.config_intr	= bcm_phy_config_intr,
745
}, {
746
	.phy_id		= PHY_ID_BCMAC131,
M
Matt Carlson 已提交
747 748
	.phy_id_mask	= 0xfffffff0,
	.name		= "Broadcom BCMAC131",
749
	/* PHY_BASIC_FEATURES */
M
Matt Carlson 已提交
750 751 752
	.config_init	= brcm_fet_config_init,
	.ack_interrupt	= brcm_fet_ack_interrupt,
	.config_intr	= brcm_fet_config_intr,
753
}, {
D
Dmitry Baryshkov 已提交
754 755 756
	.phy_id		= PHY_ID_BCM5241,
	.phy_id_mask	= 0xfffffff0,
	.name		= "Broadcom BCM5241",
757
	/* PHY_BASIC_FEATURES */
D
Dmitry Baryshkov 已提交
758 759 760
	.config_init	= brcm_fet_config_init,
	.ack_interrupt	= brcm_fet_ack_interrupt,
	.config_intr	= brcm_fet_config_intr,
761 762 763 764 765
}, {
	.phy_id		= PHY_ID_BCM5395,
	.phy_id_mask	= 0xfffffff0,
	.name		= "Broadcom BCM5395",
	.flags		= PHY_IS_INTERNAL,
766
	/* PHY_GBIT_FEATURES */
767 768 769 770
	.get_sset_count	= bcm_phy_get_sset_count,
	.get_strings	= bcm_phy_get_strings,
	.get_stats	= bcm53xx_phy_get_stats,
	.probe		= bcm53xx_phy_probe,
771 772 773 774
}, {
	.phy_id         = PHY_ID_BCM89610,
	.phy_id_mask    = 0xfffffff0,
	.name           = "Broadcom BCM89610",
775
	/* PHY_GBIT_FEATURES */
776 777 778
	.config_init    = bcm54xx_config_init,
	.ack_interrupt  = bcm_phy_ack_intr,
	.config_intr    = bcm_phy_config_intr,
779
} };
D
Dmitry Baryshkov 已提交
780

781
module_phy_driver(broadcom_drivers);
782

783
static struct mdio_device_id __maybe_unused broadcom_tbl[] = {
784 785
	{ PHY_ID_BCM5411, 0xfffffff0 },
	{ PHY_ID_BCM5421, 0xfffffff0 },
786
	{ PHY_ID_BCM54210E, 0xfffffff0 },
787
	{ PHY_ID_BCM5461, 0xfffffff0 },
788
	{ PHY_ID_BCM54612E, 0xfffffff0 },
789
	{ PHY_ID_BCM54616S, 0xfffffff0 },
790
	{ PHY_ID_BCM5464, 0xfffffff0 },
791
	{ PHY_ID_BCM5481, 0xfffffff0 },
792
	{ PHY_ID_BCM54810, 0xfffffff0 },
793
	{ PHY_ID_BCM5482, 0xfffffff0 },
794 795 796 797
	{ PHY_ID_BCM50610, 0xfffffff0 },
	{ PHY_ID_BCM50610M, 0xfffffff0 },
	{ PHY_ID_BCM57780, 0xfffffff0 },
	{ PHY_ID_BCMAC131, 0xfffffff0 },
D
Dmitry Baryshkov 已提交
798
	{ PHY_ID_BCM5241, 0xfffffff0 },
799
	{ PHY_ID_BCM5395, 0xfffffff0 },
800
	{ PHY_ID_BCM89610, 0xfffffff0 },
801 802 803 804
	{ }
};

MODULE_DEVICE_TABLE(mdio, broadcom_tbl);