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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 strscpy(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 const u8 *mac_addr = phydev->attached_dev->dev_addr;
277 int rc;
278 u16 reg_val;
279 u8 i;
280 u16 pwd[3] = {0, 0, 0};
281 struct ethtool_wolinfo *wol_conf = wol;
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
2689MODULE_FIRMWARE(MSCC_VSC8584_REVB_INT8051_FW);
2690MODULE_FIRMWARE(MSCC_VSC8574_REVB_INT8051_FW);