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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 const int vsc85xx_internal_delay[] = {200, 800, 1100, 1700, 2000, 2300,
111 2600, 3400};
112
113static int vsc85xx_phy_read_page(struct phy_device *phydev)
114{
115 return __phy_read(phydev, MSCC_EXT_PAGE_ACCESS);
116}
117
118static int vsc85xx_phy_write_page(struct phy_device *phydev, int page)
119{
120 return __phy_write(phydev, MSCC_EXT_PAGE_ACCESS, page);
121}
122
123static int vsc85xx_get_sset_count(struct phy_device *phydev)
124{
125 struct vsc8531_private *priv = phydev->priv;
126
127 if (!priv)
128 return 0;
129
130 return priv->nstats;
131}
132
133static void vsc85xx_get_strings(struct phy_device *phydev, u8 *data)
134{
135 struct vsc8531_private *priv = phydev->priv;
136 int i;
137
138 if (!priv)
139 return;
140
141 for (i = 0; i < priv->nstats; i++)
142 ethtool_puts(&data, priv->hw_stats[i].string);
143}
144
145static u64 vsc85xx_get_stat(struct phy_device *phydev, int i)
146{
147 struct vsc8531_private *priv = phydev->priv;
148 int val;
149
150 val = phy_read_paged(phydev, priv->hw_stats[i].page,
151 priv->hw_stats[i].reg);
152 if (val < 0)
153 return U64_MAX;
154
155 val = val & priv->hw_stats[i].mask;
156 priv->stats[i] += val;
157
158 return priv->stats[i];
159}
160
161static void vsc85xx_get_stats(struct phy_device *phydev,
162 struct ethtool_stats *stats, u64 *data)
163{
164 struct vsc8531_private *priv = phydev->priv;
165 int i;
166
167 if (!priv)
168 return;
169
170 for (i = 0; i < priv->nstats; i++)
171 data[i] = vsc85xx_get_stat(phydev, i);
172}
173
174static int vsc85xx_led_cntl_set(struct phy_device *phydev,
175 u8 led_num,
176 u8 mode)
177{
178 int rc;
179 u16 reg_val;
180
181 mutex_lock(&phydev->lock);
182 reg_val = phy_read(phydev, MSCC_PHY_LED_MODE_SEL);
183 reg_val &= ~LED_MODE_SEL_MASK(led_num);
184 reg_val |= LED_MODE_SEL(led_num, (u16)mode);
185 rc = phy_write(phydev, MSCC_PHY_LED_MODE_SEL, reg_val);
186 mutex_unlock(&phydev->lock);
187
188 return rc;
189}
190
191static int vsc85xx_mdix_get(struct phy_device *phydev, u8 *mdix)
192{
193 u16 reg_val;
194
195 reg_val = phy_read(phydev, MSCC_PHY_DEV_AUX_CNTL);
196 if (reg_val & HP_AUTO_MDIX_X_OVER_IND_MASK)
197 *mdix = ETH_TP_MDI_X;
198 else
199 *mdix = ETH_TP_MDI;
200
201 return 0;
202}
203
204static int vsc85xx_mdix_set(struct phy_device *phydev, u8 mdix)
205{
206 int rc;
207 u16 reg_val;
208
209 reg_val = phy_read(phydev, MSCC_PHY_BYPASS_CONTROL);
210 if (mdix == ETH_TP_MDI || mdix == ETH_TP_MDI_X) {
211 reg_val |= (DISABLE_PAIR_SWAP_CORR_MASK |
212 DISABLE_POLARITY_CORR_MASK |
213 DISABLE_HP_AUTO_MDIX_MASK);
214 } else {
215 reg_val &= ~(DISABLE_PAIR_SWAP_CORR_MASK |
216 DISABLE_POLARITY_CORR_MASK |
217 DISABLE_HP_AUTO_MDIX_MASK);
218 }
219 rc = phy_write(phydev, MSCC_PHY_BYPASS_CONTROL, reg_val);
220 if (rc)
221 return rc;
222
223 reg_val = 0;
224
225 if (mdix == ETH_TP_MDI)
226 reg_val = FORCE_MDI_CROSSOVER_MDI;
227 else if (mdix == ETH_TP_MDI_X)
228 reg_val = FORCE_MDI_CROSSOVER_MDIX;
229
230 rc = phy_modify_paged(phydev, MSCC_PHY_PAGE_EXTENDED,
231 MSCC_PHY_EXT_MODE_CNTL, FORCE_MDI_CROSSOVER_MASK,
232 reg_val);
233 if (rc < 0)
234 return rc;
235
236 return genphy_restart_aneg(phydev);
237}
238
239static int vsc85xx_downshift_get(struct phy_device *phydev, u8 *count)
240{
241 int reg_val;
242
243 reg_val = phy_read_paged(phydev, MSCC_PHY_PAGE_EXTENDED,
244 MSCC_PHY_ACTIPHY_CNTL);
245 if (reg_val < 0)
246 return reg_val;
247
248 reg_val &= DOWNSHIFT_CNTL_MASK;
249 if (!(reg_val & DOWNSHIFT_EN))
250 *count = DOWNSHIFT_DEV_DISABLE;
251 else
252 *count = ((reg_val & ~DOWNSHIFT_EN) >> DOWNSHIFT_CNTL_POS) + 2;
253
254 return 0;
255}
256
257static int vsc85xx_downshift_set(struct phy_device *phydev, u8 count)
258{
259 if (count == DOWNSHIFT_DEV_DEFAULT_COUNT) {
260 /* Default downshift count 3 (i.e. Bit3:2 = 0b01) */
261 count = ((1 << DOWNSHIFT_CNTL_POS) | DOWNSHIFT_EN);
262 } else if (count > DOWNSHIFT_COUNT_MAX || count == 1) {
263 phydev_err(phydev, "Downshift count should be 2,3,4 or 5\n");
264 return -ERANGE;
265 } else if (count) {
266 /* Downshift count is either 2,3,4 or 5 */
267 count = (((count - 2) << DOWNSHIFT_CNTL_POS) | DOWNSHIFT_EN);
268 }
269
270 return phy_modify_paged(phydev, MSCC_PHY_PAGE_EXTENDED,
271 MSCC_PHY_ACTIPHY_CNTL, DOWNSHIFT_CNTL_MASK,
272 count);
273}
274
275static int vsc85xx_wol_set(struct phy_device *phydev,
276 struct ethtool_wolinfo *wol)
277{
278 const u8 *mac_addr = phydev->attached_dev->dev_addr;
279 int rc;
280 u16 reg_val;
281 u8 i;
282 u16 pwd[3] = {0, 0, 0};
283 struct ethtool_wolinfo *wol_conf = wol;
284
285 rc = phy_select_page(phydev, MSCC_PHY_PAGE_EXTENDED_2);
286 if (rc < 0)
287 return phy_restore_page(phydev, rc, rc);
288
289 if (wol->wolopts & WAKE_MAGIC) {
290 /* Store the device address for the magic packet */
291 for (i = 0; i < ARRAY_SIZE(pwd); i++)
292 pwd[i] = mac_addr[5 - (i * 2 + 1)] << 8 |
293 mac_addr[5 - i * 2];
294 __phy_write(phydev, MSCC_PHY_WOL_LOWER_MAC_ADDR, pwd[0]);
295 __phy_write(phydev, MSCC_PHY_WOL_MID_MAC_ADDR, pwd[1]);
296 __phy_write(phydev, MSCC_PHY_WOL_UPPER_MAC_ADDR, pwd[2]);
297 } else {
298 __phy_write(phydev, MSCC_PHY_WOL_LOWER_MAC_ADDR, 0);
299 __phy_write(phydev, MSCC_PHY_WOL_MID_MAC_ADDR, 0);
300 __phy_write(phydev, MSCC_PHY_WOL_UPPER_MAC_ADDR, 0);
301 }
302
303 if (wol_conf->wolopts & WAKE_MAGICSECURE) {
304 for (i = 0; i < ARRAY_SIZE(pwd); i++)
305 pwd[i] = wol_conf->sopass[5 - (i * 2 + 1)] << 8 |
306 wol_conf->sopass[5 - i * 2];
307 __phy_write(phydev, MSCC_PHY_WOL_LOWER_PASSWD, pwd[0]);
308 __phy_write(phydev, MSCC_PHY_WOL_MID_PASSWD, pwd[1]);
309 __phy_write(phydev, MSCC_PHY_WOL_UPPER_PASSWD, pwd[2]);
310 } else {
311 __phy_write(phydev, MSCC_PHY_WOL_LOWER_PASSWD, 0);
312 __phy_write(phydev, MSCC_PHY_WOL_MID_PASSWD, 0);
313 __phy_write(phydev, MSCC_PHY_WOL_UPPER_PASSWD, 0);
314 }
315
316 reg_val = __phy_read(phydev, MSCC_PHY_WOL_MAC_CONTROL);
317 if (wol_conf->wolopts & WAKE_MAGICSECURE)
318 reg_val |= SECURE_ON_ENABLE;
319 else
320 reg_val &= ~SECURE_ON_ENABLE;
321 __phy_write(phydev, MSCC_PHY_WOL_MAC_CONTROL, reg_val);
322
323 rc = phy_restore_page(phydev, rc, rc > 0 ? 0 : rc);
324 if (rc < 0)
325 return rc;
326
327 if (wol->wolopts & WAKE_MAGIC) {
328 /* Enable the WOL interrupt */
329 reg_val = phy_read(phydev, MII_VSC85XX_INT_MASK);
330 reg_val |= MII_VSC85XX_INT_MASK_WOL;
331 rc = phy_write(phydev, MII_VSC85XX_INT_MASK, reg_val);
332 if (rc)
333 return rc;
334 } else {
335 /* Disable the WOL interrupt */
336 reg_val = phy_read(phydev, MII_VSC85XX_INT_MASK);
337 reg_val &= (~MII_VSC85XX_INT_MASK_WOL);
338 rc = phy_write(phydev, MII_VSC85XX_INT_MASK, reg_val);
339 if (rc)
340 return rc;
341 }
342 /* Clear WOL iterrupt status */
343 reg_val = phy_read(phydev, MII_VSC85XX_INT_STATUS);
344
345 return 0;
346}
347
348static void vsc85xx_wol_get(struct phy_device *phydev,
349 struct ethtool_wolinfo *wol)
350{
351 int rc;
352 u16 reg_val;
353 u8 i;
354 u16 pwd[3] = {0, 0, 0};
355 struct ethtool_wolinfo *wol_conf = wol;
356
357 rc = phy_select_page(phydev, MSCC_PHY_PAGE_EXTENDED_2);
358 if (rc < 0)
359 goto out_restore_page;
360
361 reg_val = __phy_read(phydev, MSCC_PHY_WOL_MAC_CONTROL);
362 if (reg_val & SECURE_ON_ENABLE)
363 wol_conf->wolopts |= WAKE_MAGICSECURE;
364 if (wol_conf->wolopts & WAKE_MAGICSECURE) {
365 pwd[0] = __phy_read(phydev, MSCC_PHY_WOL_LOWER_PASSWD);
366 pwd[1] = __phy_read(phydev, MSCC_PHY_WOL_MID_PASSWD);
367 pwd[2] = __phy_read(phydev, MSCC_PHY_WOL_UPPER_PASSWD);
368 for (i = 0; i < ARRAY_SIZE(pwd); i++) {
369 wol_conf->sopass[5 - i * 2] = pwd[i] & 0x00ff;
370 wol_conf->sopass[5 - (i * 2 + 1)] = (pwd[i] & 0xff00)
371 >> 8;
372 }
373 }
374
375out_restore_page:
376 phy_restore_page(phydev, rc, rc > 0 ? 0 : rc);
377}
378
379#if IS_ENABLED(CONFIG_OF_MDIO)
380static int vsc85xx_edge_rate_magic_get(struct phy_device *phydev)
381{
382 u32 vdd, sd;
383 int i, j;
384 struct device *dev = &phydev->mdio.dev;
385 struct device_node *of_node = dev->of_node;
386 u8 sd_array_size = ARRAY_SIZE(edge_table[0].slowdown);
387
388 if (!of_node)
389 return -ENODEV;
390
391 if (of_property_read_u32(of_node, "vsc8531,vddmac", &vdd))
392 vdd = MSCC_VDDMAC_3300;
393
394 if (of_property_read_u32(of_node, "vsc8531,edge-slowdown", &sd))
395 sd = 0;
396
397 for (i = 0; i < ARRAY_SIZE(edge_table); i++)
398 if (edge_table[i].vddmac == vdd)
399 for (j = 0; j < sd_array_size; j++)
400 if (edge_table[i].slowdown[j] == sd)
401 return (sd_array_size - j - 1);
402
403 return -EINVAL;
404}
405
406static int vsc85xx_dt_led_mode_get(struct phy_device *phydev,
407 char *led,
408 u32 default_mode)
409{
410 struct vsc8531_private *priv = phydev->priv;
411 struct device *dev = &phydev->mdio.dev;
412 struct device_node *of_node = dev->of_node;
413 u32 led_mode;
414 int err;
415
416 if (!of_node)
417 return -ENODEV;
418
419 led_mode = default_mode;
420 err = of_property_read_u32(of_node, led, &led_mode);
421 if (!err && !(BIT(led_mode) & priv->supp_led_modes)) {
422 phydev_err(phydev, "DT %s invalid\n", led);
423 return -EINVAL;
424 }
425
426 return led_mode;
427}
428
429#else
430static int vsc85xx_edge_rate_magic_get(struct phy_device *phydev)
431{
432 return 0;
433}
434
435static int vsc85xx_dt_led_mode_get(struct phy_device *phydev,
436 char *led,
437 u8 default_mode)
438{
439 return default_mode;
440}
441#endif /* CONFIG_OF_MDIO */
442
443static int vsc85xx_dt_led_modes_get(struct phy_device *phydev,
444 u32 *default_mode)
445{
446 struct vsc8531_private *priv = phydev->priv;
447 char led_dt_prop[28];
448 int i, ret;
449
450 for (i = 0; i < priv->nleds; i++) {
451 ret = sprintf(led_dt_prop, "vsc8531,led-%d-mode", i);
452 if (ret < 0)
453 return ret;
454
455 ret = vsc85xx_dt_led_mode_get(phydev, led_dt_prop,
456 default_mode[i]);
457 if (ret < 0)
458 return ret;
459 priv->leds_mode[i] = ret;
460 }
461
462 return 0;
463}
464
465static int vsc85xx_edge_rate_cntl_set(struct phy_device *phydev, u8 edge_rate)
466{
467 int rc;
468
469 mutex_lock(&phydev->lock);
470 rc = phy_modify_paged(phydev, MSCC_PHY_PAGE_EXTENDED_2,
471 MSCC_PHY_WOL_MAC_CONTROL, EDGE_RATE_CNTL_MASK,
472 edge_rate << EDGE_RATE_CNTL_POS);
473 mutex_unlock(&phydev->lock);
474
475 return rc;
476}
477
478static int vsc85xx_mac_if_set(struct phy_device *phydev,
479 phy_interface_t interface)
480{
481 int rc;
482 u16 reg_val;
483
484 mutex_lock(&phydev->lock);
485 reg_val = phy_read(phydev, MSCC_PHY_EXT_PHY_CNTL_1);
486 reg_val &= ~(MAC_IF_SELECTION_MASK);
487 switch (interface) {
488 case PHY_INTERFACE_MODE_RGMII_TXID:
489 case PHY_INTERFACE_MODE_RGMII_RXID:
490 case PHY_INTERFACE_MODE_RGMII_ID:
491 case PHY_INTERFACE_MODE_RGMII:
492 reg_val |= (MAC_IF_SELECTION_RGMII << MAC_IF_SELECTION_POS);
493 break;
494 case PHY_INTERFACE_MODE_RMII:
495 reg_val |= (MAC_IF_SELECTION_RMII << MAC_IF_SELECTION_POS);
496 break;
497 case PHY_INTERFACE_MODE_MII:
498 case PHY_INTERFACE_MODE_GMII:
499 reg_val |= (MAC_IF_SELECTION_GMII << MAC_IF_SELECTION_POS);
500 break;
501 default:
502 rc = -EINVAL;
503 goto out_unlock;
504 }
505 rc = phy_write(phydev, MSCC_PHY_EXT_PHY_CNTL_1, reg_val);
506 if (rc)
507 goto out_unlock;
508
509 rc = genphy_soft_reset(phydev);
510
511out_unlock:
512 mutex_unlock(&phydev->lock);
513
514 return rc;
515}
516
517/* Set the RGMII RX and TX clock skews individually, according to the PHY
518 * interface type, to:
519 * * 0.2 ns (their default, and lowest, hardware value) if delays should
520 * not be enabled
521 * * 2.0 ns (which causes the data to be sampled at exactly half way between
522 * clock transitions at 1000 Mbps) if delays should be enabled
523 */
524static int vsc85xx_update_rgmii_cntl(struct phy_device *phydev, u32 rgmii_cntl,
525 u16 rgmii_rx_delay_mask,
526 u16 rgmii_tx_delay_mask)
527{
528 u16 rgmii_rx_delay_pos = ffs(rgmii_rx_delay_mask) - 1;
529 u16 rgmii_tx_delay_pos = ffs(rgmii_tx_delay_mask) - 1;
530 int delay_size = ARRAY_SIZE(vsc85xx_internal_delay);
531 struct device *dev = &phydev->mdio.dev;
532 u16 reg_val = 0;
533 u16 mask = 0;
534 s32 rx_delay;
535 s32 tx_delay;
536 int rc = 0;
537
538 /* For traffic to pass, the VSC8502 family needs the RX_CLK disable bit
539 * to be unset for all PHY modes, so do that as part of the paged
540 * register modification.
541 * For some family members (like VSC8530/31/40/41) this bit is reserved
542 * and read-only, and the RX clock is enabled by default.
543 */
544 if (rgmii_cntl == VSC8502_RGMII_CNTL)
545 mask |= VSC8502_RGMII_RX_CLK_DISABLE;
546
547 if (phy_interface_is_rgmii(phydev))
548 mask |= rgmii_rx_delay_mask | rgmii_tx_delay_mask;
549
550 rx_delay = phy_get_internal_delay(phydev, dev, vsc85xx_internal_delay,
551 delay_size, true);
552 if (rx_delay < 0) {
553 if (phydev->interface == PHY_INTERFACE_MODE_RGMII_RXID ||
554 phydev->interface == PHY_INTERFACE_MODE_RGMII_ID)
555 rx_delay = RGMII_CLK_DELAY_2_0_NS;
556 else
557 rx_delay = RGMII_CLK_DELAY_0_2_NS;
558 }
559
560 tx_delay = phy_get_internal_delay(phydev, dev, vsc85xx_internal_delay,
561 delay_size, false);
562 if (tx_delay < 0) {
563 if (phydev->interface == PHY_INTERFACE_MODE_RGMII_TXID ||
564 phydev->interface == PHY_INTERFACE_MODE_RGMII_ID)
565 tx_delay = RGMII_CLK_DELAY_2_0_NS;
566 else
567 tx_delay = RGMII_CLK_DELAY_0_2_NS;
568 }
569
570 reg_val |= rx_delay << rgmii_rx_delay_pos;
571 reg_val |= tx_delay << rgmii_tx_delay_pos;
572
573 if (mask)
574 rc = phy_modify_paged(phydev, MSCC_PHY_PAGE_EXTENDED_2,
575 rgmii_cntl, mask, reg_val);
576
577 return rc;
578}
579
580static int vsc85xx_default_config(struct phy_device *phydev)
581{
582 phydev->mdix_ctrl = ETH_TP_MDI_AUTO;
583
584 return vsc85xx_update_rgmii_cntl(phydev, VSC8502_RGMII_CNTL,
585 VSC8502_RGMII_RX_DELAY_MASK,
586 VSC8502_RGMII_TX_DELAY_MASK);
587}
588
589static int vsc85xx_get_tunable(struct phy_device *phydev,
590 struct ethtool_tunable *tuna, void *data)
591{
592 switch (tuna->id) {
593 case ETHTOOL_PHY_DOWNSHIFT:
594 return vsc85xx_downshift_get(phydev, (u8 *)data);
595 default:
596 return -EINVAL;
597 }
598}
599
600static int vsc85xx_set_tunable(struct phy_device *phydev,
601 struct ethtool_tunable *tuna,
602 const void *data)
603{
604 switch (tuna->id) {
605 case ETHTOOL_PHY_DOWNSHIFT:
606 return vsc85xx_downshift_set(phydev, *(u8 *)data);
607 default:
608 return -EINVAL;
609 }
610}
611
612/* mdiobus lock should be locked when using this function */
613static void vsc85xx_tr_write(struct phy_device *phydev, u16 addr, u32 val)
614{
615 __phy_write(phydev, MSCC_PHY_TR_MSB, val >> 16);
616 __phy_write(phydev, MSCC_PHY_TR_LSB, val & GENMASK(15, 0));
617 __phy_write(phydev, MSCC_PHY_TR_CNTL, TR_WRITE | TR_ADDR(addr));
618}
619
620static int vsc8531_pre_init_seq_set(struct phy_device *phydev)
621{
622 int rc;
623 static const struct reg_val init_seq[] = {
624 {0x0f90, 0x00688980},
625 {0x0696, 0x00000003},
626 {0x07fa, 0x0050100f},
627 {0x1686, 0x00000004},
628 };
629 unsigned int i;
630 int oldpage;
631
632 rc = phy_modify_paged(phydev, MSCC_PHY_PAGE_STANDARD,
633 MSCC_PHY_EXT_CNTL_STATUS, SMI_BROADCAST_WR_EN,
634 SMI_BROADCAST_WR_EN);
635 if (rc < 0)
636 return rc;
637 rc = phy_modify_paged(phydev, MSCC_PHY_PAGE_TEST,
638 MSCC_PHY_TEST_PAGE_24, 0, 0x0400);
639 if (rc < 0)
640 return rc;
641 rc = phy_modify_paged(phydev, MSCC_PHY_PAGE_TEST,
642 MSCC_PHY_TEST_PAGE_5, 0x0a00, 0x0e00);
643 if (rc < 0)
644 return rc;
645 rc = phy_modify_paged(phydev, MSCC_PHY_PAGE_TEST,
646 MSCC_PHY_TEST_PAGE_8, TR_CLK_DISABLE, TR_CLK_DISABLE);
647 if (rc < 0)
648 return rc;
649
650 mutex_lock(&phydev->lock);
651 oldpage = phy_select_page(phydev, MSCC_PHY_PAGE_TR);
652 if (oldpage < 0)
653 goto out_unlock;
654
655 for (i = 0; i < ARRAY_SIZE(init_seq); i++)
656 vsc85xx_tr_write(phydev, init_seq[i].reg, init_seq[i].val);
657
658out_unlock:
659 oldpage = phy_restore_page(phydev, oldpage, oldpage);
660 mutex_unlock(&phydev->lock);
661
662 return oldpage;
663}
664
665static int vsc85xx_eee_init_seq_set(struct phy_device *phydev)
666{
667 static const struct reg_val init_eee[] = {
668 {0x0f82, 0x0012b00a},
669 {0x1686, 0x00000004},
670 {0x168c, 0x00d2c46f},
671 {0x17a2, 0x00000620},
672 {0x16a0, 0x00eeffdd},
673 {0x16a6, 0x00071448},
674 {0x16a4, 0x0013132f},
675 {0x16a8, 0x00000000},
676 {0x0ffc, 0x00c0a028},
677 {0x0fe8, 0x0091b06c},
678 {0x0fea, 0x00041600},
679 {0x0f80, 0x00000af4},
680 {0x0fec, 0x00901809},
681 {0x0fee, 0x0000a6a1},
682 {0x0ffe, 0x00b01007},
683 {0x16b0, 0x00eeff00},
684 {0x16b2, 0x00007000},
685 {0x16b4, 0x00000814},
686 };
687 unsigned int i;
688 int oldpage;
689
690 mutex_lock(&phydev->lock);
691 oldpage = phy_select_page(phydev, MSCC_PHY_PAGE_TR);
692 if (oldpage < 0)
693 goto out_unlock;
694
695 for (i = 0; i < ARRAY_SIZE(init_eee); i++)
696 vsc85xx_tr_write(phydev, init_eee[i].reg, init_eee[i].val);
697
698out_unlock:
699 oldpage = phy_restore_page(phydev, oldpage, oldpage);
700 mutex_unlock(&phydev->lock);
701
702 return oldpage;
703}
704
705/* phydev->bus->mdio_lock should be locked when using this function */
706int phy_base_write(struct phy_device *phydev, u32 regnum, u16 val)
707{
708 if (unlikely(!mutex_is_locked(&phydev->mdio.bus->mdio_lock))) {
709 dev_err(&phydev->mdio.dev, "MDIO bus lock not held!\n");
710 dump_stack();
711 }
712
713 return __phy_package_write(phydev, VSC88XX_BASE_ADDR, regnum, val);
714}
715
716/* phydev->bus->mdio_lock should be locked when using this function */
717int phy_base_read(struct phy_device *phydev, u32 regnum)
718{
719 if (unlikely(!mutex_is_locked(&phydev->mdio.bus->mdio_lock))) {
720 dev_err(&phydev->mdio.dev, "MDIO bus lock not held!\n");
721 dump_stack();
722 }
723
724 return __phy_package_read(phydev, VSC88XX_BASE_ADDR, regnum);
725}
726
727u32 vsc85xx_csr_read(struct phy_device *phydev,
728 enum csr_target target, u32 reg)
729{
730 unsigned long deadline;
731 u32 val, val_l, val_h;
732
733 phy_base_write(phydev, MSCC_EXT_PAGE_ACCESS, MSCC_PHY_PAGE_CSR_CNTL);
734
735 /* CSR registers are grouped under different Target IDs.
736 * 6-bit Target_ID is split between MSCC_EXT_PAGE_CSR_CNTL_20 and
737 * MSCC_EXT_PAGE_CSR_CNTL_19 registers.
738 * Target_ID[5:2] maps to bits[3:0] of MSCC_EXT_PAGE_CSR_CNTL_20
739 * and Target_ID[1:0] maps to bits[13:12] of MSCC_EXT_PAGE_CSR_CNTL_19.
740 */
741
742 /* Setup the Target ID */
743 phy_base_write(phydev, MSCC_EXT_PAGE_CSR_CNTL_20,
744 MSCC_PHY_CSR_CNTL_20_TARGET(target >> 2));
745
746 if ((target >> 2 == 0x1) || (target >> 2 == 0x3))
747 /* non-MACsec access */
748 target &= 0x3;
749 else
750 target = 0;
751
752 /* Trigger CSR Action - Read into the CSR's */
753 phy_base_write(phydev, MSCC_EXT_PAGE_CSR_CNTL_19,
754 MSCC_PHY_CSR_CNTL_19_CMD | MSCC_PHY_CSR_CNTL_19_READ |
755 MSCC_PHY_CSR_CNTL_19_REG_ADDR(reg) |
756 MSCC_PHY_CSR_CNTL_19_TARGET(target));
757
758 /* Wait for register access*/
759 deadline = jiffies + msecs_to_jiffies(PROC_CMD_NCOMPLETED_TIMEOUT_MS);
760 do {
761 usleep_range(500, 1000);
762 val = phy_base_read(phydev, MSCC_EXT_PAGE_CSR_CNTL_19);
763 } while (time_before(jiffies, deadline) &&
764 !(val & MSCC_PHY_CSR_CNTL_19_CMD));
765
766 if (!(val & MSCC_PHY_CSR_CNTL_19_CMD))
767 return 0xffffffff;
768
769 /* Read the Least Significant Word (LSW) (17) */
770 val_l = phy_base_read(phydev, MSCC_EXT_PAGE_CSR_CNTL_17);
771
772 /* Read the Most Significant Word (MSW) (18) */
773 val_h = phy_base_read(phydev, MSCC_EXT_PAGE_CSR_CNTL_18);
774
775 phy_base_write(phydev, MSCC_EXT_PAGE_ACCESS,
776 MSCC_PHY_PAGE_STANDARD);
777
778 return (val_h << 16) | val_l;
779}
780
781int vsc85xx_csr_write(struct phy_device *phydev,
782 enum csr_target target, u32 reg, u32 val)
783{
784 unsigned long deadline;
785
786 phy_base_write(phydev, MSCC_EXT_PAGE_ACCESS, MSCC_PHY_PAGE_CSR_CNTL);
787
788 /* CSR registers are grouped under different Target IDs.
789 * 6-bit Target_ID is split between MSCC_EXT_PAGE_CSR_CNTL_20 and
790 * MSCC_EXT_PAGE_CSR_CNTL_19 registers.
791 * Target_ID[5:2] maps to bits[3:0] of MSCC_EXT_PAGE_CSR_CNTL_20
792 * and Target_ID[1:0] maps to bits[13:12] of MSCC_EXT_PAGE_CSR_CNTL_19.
793 */
794
795 /* Setup the Target ID */
796 phy_base_write(phydev, MSCC_EXT_PAGE_CSR_CNTL_20,
797 MSCC_PHY_CSR_CNTL_20_TARGET(target >> 2));
798
799 /* Write the Least Significant Word (LSW) (17) */
800 phy_base_write(phydev, MSCC_EXT_PAGE_CSR_CNTL_17, (u16)val);
801
802 /* Write the Most Significant Word (MSW) (18) */
803 phy_base_write(phydev, MSCC_EXT_PAGE_CSR_CNTL_18, (u16)(val >> 16));
804
805 if ((target >> 2 == 0x1) || (target >> 2 == 0x3))
806 /* non-MACsec access */
807 target &= 0x3;
808 else
809 target = 0;
810
811 /* Trigger CSR Action - Write into the CSR's */
812 phy_base_write(phydev, MSCC_EXT_PAGE_CSR_CNTL_19,
813 MSCC_PHY_CSR_CNTL_19_CMD |
814 MSCC_PHY_CSR_CNTL_19_REG_ADDR(reg) |
815 MSCC_PHY_CSR_CNTL_19_TARGET(target));
816
817 /* Wait for register access */
818 deadline = jiffies + msecs_to_jiffies(PROC_CMD_NCOMPLETED_TIMEOUT_MS);
819 do {
820 usleep_range(500, 1000);
821 val = phy_base_read(phydev, MSCC_EXT_PAGE_CSR_CNTL_19);
822 } while (time_before(jiffies, deadline) &&
823 !(val & MSCC_PHY_CSR_CNTL_19_CMD));
824
825 if (!(val & MSCC_PHY_CSR_CNTL_19_CMD))
826 return -ETIMEDOUT;
827
828 phy_base_write(phydev, MSCC_EXT_PAGE_ACCESS,
829 MSCC_PHY_PAGE_STANDARD);
830
831 return 0;
832}
833
834/* bus->mdio_lock should be locked when using this function */
835static void vsc8584_csr_write(struct phy_device *phydev, u16 addr, u32 val)
836{
837 phy_base_write(phydev, MSCC_PHY_TR_MSB, val >> 16);
838 phy_base_write(phydev, MSCC_PHY_TR_LSB, val & GENMASK(15, 0));
839 phy_base_write(phydev, MSCC_PHY_TR_CNTL, TR_WRITE | TR_ADDR(addr));
840}
841
842/* bus->mdio_lock should be locked when using this function */
843int vsc8584_cmd(struct phy_device *phydev, u16 val)
844{
845 unsigned long deadline;
846 u16 reg_val;
847
848 phy_base_write(phydev, MSCC_EXT_PAGE_ACCESS,
849 MSCC_PHY_PAGE_EXTENDED_GPIO);
850
851 phy_base_write(phydev, MSCC_PHY_PROC_CMD, PROC_CMD_NCOMPLETED | val);
852
853 deadline = jiffies + msecs_to_jiffies(PROC_CMD_NCOMPLETED_TIMEOUT_MS);
854 do {
855 reg_val = phy_base_read(phydev, MSCC_PHY_PROC_CMD);
856 } while (time_before(jiffies, deadline) &&
857 (reg_val & PROC_CMD_NCOMPLETED) &&
858 !(reg_val & PROC_CMD_FAILED));
859
860 phy_base_write(phydev, MSCC_EXT_PAGE_ACCESS, MSCC_PHY_PAGE_STANDARD);
861
862 if (reg_val & PROC_CMD_FAILED)
863 return -EIO;
864
865 if (reg_val & PROC_CMD_NCOMPLETED)
866 return -ETIMEDOUT;
867
868 return 0;
869}
870
871/* bus->mdio_lock should be locked when using this function */
872static int vsc8584_micro_deassert_reset(struct phy_device *phydev,
873 bool patch_en)
874{
875 u32 enable, release;
876
877 phy_base_write(phydev, MSCC_EXT_PAGE_ACCESS,
878 MSCC_PHY_PAGE_EXTENDED_GPIO);
879
880 enable = RUN_FROM_INT_ROM | MICRO_CLK_EN | DW8051_CLK_EN;
881 release = MICRO_NSOFT_RESET | RUN_FROM_INT_ROM | DW8051_CLK_EN |
882 MICRO_CLK_EN;
883
884 if (patch_en) {
885 enable |= MICRO_PATCH_EN;
886 release |= MICRO_PATCH_EN;
887
888 /* Clear all patches */
889 phy_base_write(phydev, MSCC_INT_MEM_CNTL, READ_RAM);
890 }
891
892 /* Enable 8051 Micro clock; CLEAR/SET patch present; disable PRAM clock
893 * override and addr. auto-incr; operate at 125 MHz
894 */
895 phy_base_write(phydev, MSCC_DW8051_CNTL_STATUS, enable);
896 /* Release 8051 Micro SW reset */
897 phy_base_write(phydev, MSCC_DW8051_CNTL_STATUS, release);
898
899 phy_base_write(phydev, MSCC_EXT_PAGE_ACCESS, MSCC_PHY_PAGE_STANDARD);
900
901 return 0;
902}
903
904/* bus->mdio_lock should be locked when using this function */
905static int vsc8584_micro_assert_reset(struct phy_device *phydev)
906{
907 int ret;
908 u16 reg;
909
910 ret = vsc8584_cmd(phydev, PROC_CMD_NOP);
911 if (ret)
912 return ret;
913
914 phy_base_write(phydev, MSCC_EXT_PAGE_ACCESS,
915 MSCC_PHY_PAGE_EXTENDED_GPIO);
916
917 reg = phy_base_read(phydev, MSCC_INT_MEM_CNTL);
918 reg &= ~EN_PATCH_RAM_TRAP_ADDR(4);
919 phy_base_write(phydev, MSCC_INT_MEM_CNTL, reg);
920
921 phy_base_write(phydev, MSCC_TRAP_ROM_ADDR(4), 0x005b);
922 phy_base_write(phydev, MSCC_PATCH_RAM_ADDR(4), 0x005b);
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_PHY_PROC_CMD, PROC_CMD_NOP);
929
930 reg = phy_base_read(phydev, MSCC_DW8051_CNTL_STATUS);
931 reg &= ~MICRO_NSOFT_RESET;
932 phy_base_write(phydev, MSCC_DW8051_CNTL_STATUS, reg);
933
934 phy_base_write(phydev, MSCC_PHY_PROC_CMD, PROC_CMD_MCB_ACCESS_MAC_CONF |
935 PROC_CMD_SGMII_PORT(0) | PROC_CMD_NO_MAC_CONF |
936 PROC_CMD_READ);
937
938 reg = phy_base_read(phydev, MSCC_INT_MEM_CNTL);
939 reg &= ~EN_PATCH_RAM_TRAP_ADDR(4);
940 phy_base_write(phydev, MSCC_INT_MEM_CNTL, reg);
941
942 phy_base_write(phydev, MSCC_EXT_PAGE_ACCESS, MSCC_PHY_PAGE_STANDARD);
943
944 return 0;
945}
946
947/* bus->mdio_lock should be locked when using this function */
948static int vsc8584_get_fw_crc(struct phy_device *phydev, u16 start, u16 size,
949 u16 *crc)
950{
951 int ret;
952
953 phy_base_write(phydev, MSCC_EXT_PAGE_ACCESS, MSCC_PHY_PAGE_EXTENDED);
954
955 phy_base_write(phydev, MSCC_PHY_VERIPHY_CNTL_2, start);
956 phy_base_write(phydev, MSCC_PHY_VERIPHY_CNTL_3, size);
957
958 /* Start Micro command */
959 ret = vsc8584_cmd(phydev, PROC_CMD_CRC16);
960 if (ret)
961 goto out;
962
963 phy_base_write(phydev, MSCC_EXT_PAGE_ACCESS, MSCC_PHY_PAGE_EXTENDED);
964
965 *crc = phy_base_read(phydev, MSCC_PHY_VERIPHY_CNTL_2);
966
967out:
968 phy_base_write(phydev, MSCC_EXT_PAGE_ACCESS, MSCC_PHY_PAGE_STANDARD);
969
970 return ret;
971}
972
973/* bus->mdio_lock should be locked when using this function */
974static int vsc8584_patch_fw(struct phy_device *phydev,
975 const struct firmware *fw)
976{
977 int i, ret;
978
979 ret = vsc8584_micro_assert_reset(phydev);
980 if (ret) {
981 dev_err(&phydev->mdio.dev,
982 "%s: failed to assert reset of micro\n", __func__);
983 return ret;
984 }
985
986 phy_base_write(phydev, MSCC_EXT_PAGE_ACCESS,
987 MSCC_PHY_PAGE_EXTENDED_GPIO);
988
989 /* Hold 8051 Micro in SW Reset, Enable auto incr address and patch clock
990 * Disable the 8051 Micro clock
991 */
992 phy_base_write(phydev, MSCC_DW8051_CNTL_STATUS, RUN_FROM_INT_ROM |
993 AUTOINC_ADDR | PATCH_RAM_CLK | MICRO_CLK_EN |
994 MICRO_CLK_DIVIDE(2));
995 phy_base_write(phydev, MSCC_INT_MEM_CNTL, READ_PRAM | INT_MEM_WRITE_EN |
996 INT_MEM_DATA(2));
997 phy_base_write(phydev, MSCC_INT_MEM_ADDR, 0x0000);
998
999 for (i = 0; i < fw->size; i++)
1000 phy_base_write(phydev, MSCC_INT_MEM_CNTL, READ_PRAM |
1001 INT_MEM_WRITE_EN | fw->data[i]);
1002
1003 /* Clear internal memory access */
1004 phy_base_write(phydev, MSCC_INT_MEM_CNTL, READ_RAM);
1005
1006 phy_base_write(phydev, MSCC_EXT_PAGE_ACCESS, MSCC_PHY_PAGE_STANDARD);
1007
1008 return 0;
1009}
1010
1011/* bus->mdio_lock should be locked when using this function */
1012static bool vsc8574_is_serdes_init(struct phy_device *phydev)
1013{
1014 u16 reg;
1015 bool ret;
1016
1017 phy_base_write(phydev, MSCC_EXT_PAGE_ACCESS,
1018 MSCC_PHY_PAGE_EXTENDED_GPIO);
1019
1020 reg = phy_base_read(phydev, MSCC_TRAP_ROM_ADDR(1));
1021 if (reg != 0x3eb7) {
1022 ret = false;
1023 goto out;
1024 }
1025
1026 reg = phy_base_read(phydev, MSCC_PATCH_RAM_ADDR(1));
1027 if (reg != 0x4012) {
1028 ret = false;
1029 goto out;
1030 }
1031
1032 reg = phy_base_read(phydev, MSCC_INT_MEM_CNTL);
1033 if (reg != EN_PATCH_RAM_TRAP_ADDR(1)) {
1034 ret = false;
1035 goto out;
1036 }
1037
1038 reg = phy_base_read(phydev, MSCC_DW8051_CNTL_STATUS);
1039 if ((MICRO_NSOFT_RESET | RUN_FROM_INT_ROM | DW8051_CLK_EN |
1040 MICRO_CLK_EN) != (reg & MSCC_DW8051_VLD_MASK)) {
1041 ret = false;
1042 goto out;
1043 }
1044
1045 ret = true;
1046out:
1047 phy_base_write(phydev, MSCC_EXT_PAGE_ACCESS, MSCC_PHY_PAGE_STANDARD);
1048
1049 return ret;
1050}
1051
1052/* bus->mdio_lock should be locked when using this function */
1053static int vsc8574_config_pre_init(struct phy_device *phydev)
1054{
1055 static const struct reg_val pre_init1[] = {
1056 {0x0fae, 0x000401bd},
1057 {0x0fac, 0x000f000f},
1058 {0x17a0, 0x00a0f147},
1059 {0x0fe4, 0x00052f54},
1060 {0x1792, 0x0027303d},
1061 {0x07fe, 0x00000704},
1062 {0x0fe0, 0x00060150},
1063 {0x0f82, 0x0012b00a},
1064 {0x0f80, 0x00000d74},
1065 {0x02e0, 0x00000012},
1066 {0x03a2, 0x00050208},
1067 {0x03b2, 0x00009186},
1068 {0x0fb0, 0x000e3700},
1069 {0x1688, 0x00049f81},
1070 {0x0fd2, 0x0000ffff},
1071 {0x168a, 0x00039fa2},
1072 {0x1690, 0x0020640b},
1073 {0x0258, 0x00002220},
1074 {0x025a, 0x00002a20},
1075 {0x025c, 0x00003060},
1076 {0x025e, 0x00003fa0},
1077 {0x03a6, 0x0000e0f0},
1078 {0x0f92, 0x00001489},
1079 {0x16a2, 0x00007000},
1080 {0x16a6, 0x00071448},
1081 {0x16a0, 0x00eeffdd},
1082 {0x0fe8, 0x0091b06c},
1083 {0x0fea, 0x00041600},
1084 {0x16b0, 0x00eeff00},
1085 {0x16b2, 0x00007000},
1086 {0x16b4, 0x00000814},
1087 {0x0f90, 0x00688980},
1088 {0x03a4, 0x0000d8f0},
1089 {0x0fc0, 0x00000400},
1090 {0x07fa, 0x0050100f},
1091 {0x0796, 0x00000003},
1092 {0x07f8, 0x00c3ff98},
1093 {0x0fa4, 0x0018292a},
1094 {0x168c, 0x00d2c46f},
1095 {0x17a2, 0x00000620},
1096 {0x16a4, 0x0013132f},
1097 {0x16a8, 0x00000000},
1098 {0x0ffc, 0x00c0a028},
1099 {0x0fec, 0x00901c09},
1100 {0x0fee, 0x0004a6a1},
1101 {0x0ffe, 0x00b01807},
1102 };
1103 static const struct reg_val pre_init2[] = {
1104 {0x0486, 0x0008a518},
1105 {0x0488, 0x006dc696},
1106 {0x048a, 0x00000912},
1107 {0x048e, 0x00000db6},
1108 {0x049c, 0x00596596},
1109 {0x049e, 0x00000514},
1110 {0x04a2, 0x00410280},
1111 {0x04a4, 0x00000000},
1112 {0x04a6, 0x00000000},
1113 {0x04a8, 0x00000000},
1114 {0x04aa, 0x00000000},
1115 {0x04ae, 0x007df7dd},
1116 {0x04b0, 0x006d95d4},
1117 {0x04b2, 0x00492410},
1118 };
1119 struct device *dev = &phydev->mdio.dev;
1120 const struct firmware *fw;
1121 unsigned int i;
1122 u16 crc, reg;
1123 bool serdes_init;
1124 int ret;
1125
1126 phy_base_write(phydev, MSCC_EXT_PAGE_ACCESS, MSCC_PHY_PAGE_STANDARD);
1127
1128 /* all writes below are broadcasted to all PHYs in the same package */
1129 reg = phy_base_read(phydev, MSCC_PHY_EXT_CNTL_STATUS);
1130 reg |= SMI_BROADCAST_WR_EN;
1131 phy_base_write(phydev, MSCC_PHY_EXT_CNTL_STATUS, reg);
1132
1133 phy_base_write(phydev, MII_VSC85XX_INT_MASK, 0);
1134
1135 /* The below register writes are tweaking analog and electrical
1136 * configuration that were determined through characterization by PHY
1137 * engineers. These don't mean anything more than "these are the best
1138 * values".
1139 */
1140 phy_base_write(phydev, MSCC_PHY_EXT_PHY_CNTL_2, 0x0040);
1141
1142 phy_base_write(phydev, MSCC_EXT_PAGE_ACCESS, MSCC_PHY_PAGE_TEST);
1143
1144 phy_base_write(phydev, MSCC_PHY_TEST_PAGE_20, 0x4320);
1145 phy_base_write(phydev, MSCC_PHY_TEST_PAGE_24, 0x0c00);
1146 phy_base_write(phydev, MSCC_PHY_TEST_PAGE_9, 0x18ca);
1147 phy_base_write(phydev, MSCC_PHY_TEST_PAGE_5, 0x1b20);
1148
1149 reg = phy_base_read(phydev, MSCC_PHY_TEST_PAGE_8);
1150 reg |= TR_CLK_DISABLE;
1151 phy_base_write(phydev, MSCC_PHY_TEST_PAGE_8, reg);
1152
1153 phy_base_write(phydev, MSCC_EXT_PAGE_ACCESS, MSCC_PHY_PAGE_TR);
1154
1155 for (i = 0; i < ARRAY_SIZE(pre_init1); i++)
1156 vsc8584_csr_write(phydev, pre_init1[i].reg, pre_init1[i].val);
1157
1158 phy_base_write(phydev, MSCC_EXT_PAGE_ACCESS, MSCC_PHY_PAGE_EXTENDED_2);
1159
1160 phy_base_write(phydev, MSCC_PHY_CU_PMD_TX_CNTL, 0x028e);
1161
1162 phy_base_write(phydev, MSCC_EXT_PAGE_ACCESS, MSCC_PHY_PAGE_TR);
1163
1164 for (i = 0; i < ARRAY_SIZE(pre_init2); i++)
1165 vsc8584_csr_write(phydev, pre_init2[i].reg, pre_init2[i].val);
1166
1167 phy_base_write(phydev, MSCC_EXT_PAGE_ACCESS, MSCC_PHY_PAGE_TEST);
1168
1169 reg = phy_base_read(phydev, MSCC_PHY_TEST_PAGE_8);
1170 reg &= ~TR_CLK_DISABLE;
1171 phy_base_write(phydev, MSCC_PHY_TEST_PAGE_8, reg);
1172
1173 phy_base_write(phydev, MSCC_EXT_PAGE_ACCESS, MSCC_PHY_PAGE_STANDARD);
1174
1175 /* end of write broadcasting */
1176 reg = phy_base_read(phydev, MSCC_PHY_EXT_CNTL_STATUS);
1177 reg &= ~SMI_BROADCAST_WR_EN;
1178 phy_base_write(phydev, MSCC_PHY_EXT_CNTL_STATUS, reg);
1179
1180 ret = request_firmware(&fw, MSCC_VSC8574_REVB_INT8051_FW, dev);
1181 if (ret) {
1182 dev_err(dev, "failed to load firmware %s, ret: %d\n",
1183 MSCC_VSC8574_REVB_INT8051_FW, ret);
1184 return ret;
1185 }
1186
1187 /* Add one byte to size for the one added by the patch_fw function */
1188 ret = vsc8584_get_fw_crc(phydev,
1189 MSCC_VSC8574_REVB_INT8051_FW_START_ADDR,
1190 fw->size + 1, &crc);
1191 if (ret)
1192 goto out;
1193
1194 if (crc == MSCC_VSC8574_REVB_INT8051_FW_CRC) {
1195 serdes_init = vsc8574_is_serdes_init(phydev);
1196
1197 if (!serdes_init) {
1198 ret = vsc8584_micro_assert_reset(phydev);
1199 if (ret) {
1200 dev_err(dev,
1201 "%s: failed to assert reset of micro\n",
1202 __func__);
1203 goto out;
1204 }
1205 }
1206 } else {
1207 dev_dbg(dev, "FW CRC is not the expected one, patching FW\n");
1208
1209 serdes_init = false;
1210
1211 if (vsc8584_patch_fw(phydev, fw))
1212 dev_warn(dev,
1213 "failed to patch FW, expect non-optimal device\n");
1214 }
1215
1216 if (!serdes_init) {
1217 phy_base_write(phydev, MSCC_EXT_PAGE_ACCESS,
1218 MSCC_PHY_PAGE_EXTENDED_GPIO);
1219
1220 phy_base_write(phydev, MSCC_TRAP_ROM_ADDR(1), 0x3eb7);
1221 phy_base_write(phydev, MSCC_PATCH_RAM_ADDR(1), 0x4012);
1222 phy_base_write(phydev, MSCC_INT_MEM_CNTL,
1223 EN_PATCH_RAM_TRAP_ADDR(1));
1224
1225 vsc8584_micro_deassert_reset(phydev, false);
1226
1227 /* Add one byte to size for the one added by the patch_fw
1228 * function
1229 */
1230 ret = vsc8584_get_fw_crc(phydev,
1231 MSCC_VSC8574_REVB_INT8051_FW_START_ADDR,
1232 fw->size + 1, &crc);
1233 if (ret)
1234 goto out;
1235
1236 if (crc != MSCC_VSC8574_REVB_INT8051_FW_CRC)
1237 dev_warn(dev,
1238 "FW CRC after patching is not the expected one, expect non-optimal device\n");
1239 }
1240
1241 phy_base_write(phydev, MSCC_EXT_PAGE_ACCESS,
1242 MSCC_PHY_PAGE_EXTENDED_GPIO);
1243
1244 ret = vsc8584_cmd(phydev, PROC_CMD_1588_DEFAULT_INIT |
1245 PROC_CMD_PHY_INIT);
1246
1247out:
1248 phy_base_write(phydev, MSCC_EXT_PAGE_ACCESS, MSCC_PHY_PAGE_STANDARD);
1249
1250 release_firmware(fw);
1251
1252 return ret;
1253}
1254
1255/* Access LCPLL Cfg_2 */
1256static void vsc8584_pll5g_cfg2_wr(struct phy_device *phydev,
1257 bool disable_fsm)
1258{
1259 u32 rd_dat;
1260
1261 rd_dat = vsc85xx_csr_read(phydev, MACRO_CTRL, PHY_S6G_PLL5G_CFG2);
1262 rd_dat &= ~BIT(PHY_S6G_CFG2_FSM_DIS);
1263 rd_dat |= (disable_fsm << PHY_S6G_CFG2_FSM_DIS);
1264 vsc85xx_csr_write(phydev, MACRO_CTRL, PHY_S6G_PLL5G_CFG2, rd_dat);
1265}
1266
1267/* trigger a read to the spcified MCB */
1268static int vsc8584_mcb_rd_trig(struct phy_device *phydev,
1269 u32 mcb_reg_addr, u8 mcb_slave_num)
1270{
1271 u32 rd_dat = 0;
1272
1273 /* read MCB */
1274 vsc85xx_csr_write(phydev, MACRO_CTRL, mcb_reg_addr,
1275 (0x40000000 | (1L << mcb_slave_num)));
1276
1277 return read_poll_timeout(vsc85xx_csr_read, rd_dat,
1278 !(rd_dat & 0x40000000),
1279 4000, 200000, 0,
1280 phydev, MACRO_CTRL, mcb_reg_addr);
1281}
1282
1283/* trigger a write to the spcified MCB */
1284static int vsc8584_mcb_wr_trig(struct phy_device *phydev,
1285 u32 mcb_reg_addr,
1286 u8 mcb_slave_num)
1287{
1288 u32 rd_dat = 0;
1289
1290 /* write back MCB */
1291 vsc85xx_csr_write(phydev, MACRO_CTRL, mcb_reg_addr,
1292 (0x80000000 | (1L << mcb_slave_num)));
1293
1294 return read_poll_timeout(vsc85xx_csr_read, rd_dat,
1295 !(rd_dat & 0x80000000),
1296 4000, 200000, 0,
1297 phydev, MACRO_CTRL, mcb_reg_addr);
1298}
1299
1300/* Sequence to Reset LCPLL for the VIPER and ELISE PHY */
1301static int vsc8584_pll5g_reset(struct phy_device *phydev)
1302{
1303 bool dis_fsm;
1304 int ret = 0;
1305
1306 ret = vsc8584_mcb_rd_trig(phydev, 0x11, 0);
1307 if (ret < 0)
1308 goto done;
1309 dis_fsm = 1;
1310
1311 /* Reset LCPLL */
1312 vsc8584_pll5g_cfg2_wr(phydev, dis_fsm);
1313
1314 /* write back LCPLL MCB */
1315 ret = vsc8584_mcb_wr_trig(phydev, 0x11, 0);
1316 if (ret < 0)
1317 goto done;
1318
1319 /* 10 mSec sleep while LCPLL is hold in reset */
1320 usleep_range(10000, 20000);
1321
1322 /* read LCPLL MCB into CSRs */
1323 ret = vsc8584_mcb_rd_trig(phydev, 0x11, 0);
1324 if (ret < 0)
1325 goto done;
1326 dis_fsm = 0;
1327
1328 /* Release the Reset of LCPLL */
1329 vsc8584_pll5g_cfg2_wr(phydev, dis_fsm);
1330
1331 /* write back LCPLL MCB */
1332 ret = vsc8584_mcb_wr_trig(phydev, 0x11, 0);
1333 if (ret < 0)
1334 goto done;
1335
1336 usleep_range(110000, 200000);
1337done:
1338 return ret;
1339}
1340
1341/* bus->mdio_lock should be locked when using this function */
1342static int vsc8584_config_pre_init(struct phy_device *phydev)
1343{
1344 static const struct reg_val pre_init1[] = {
1345 {0x07fa, 0x0050100f},
1346 {0x1688, 0x00049f81},
1347 {0x0f90, 0x00688980},
1348 {0x03a4, 0x0000d8f0},
1349 {0x0fc0, 0x00000400},
1350 {0x0f82, 0x0012b002},
1351 {0x1686, 0x00000004},
1352 {0x168c, 0x00d2c46f},
1353 {0x17a2, 0x00000620},
1354 {0x16a0, 0x00eeffdd},
1355 {0x16a6, 0x00071448},
1356 {0x16a4, 0x0013132f},
1357 {0x16a8, 0x00000000},
1358 {0x0ffc, 0x00c0a028},
1359 {0x0fe8, 0x0091b06c},
1360 {0x0fea, 0x00041600},
1361 {0x0f80, 0x00fffaff},
1362 {0x0fec, 0x00901809},
1363 {0x0ffe, 0x00b01007},
1364 {0x16b0, 0x00eeff00},
1365 {0x16b2, 0x00007000},
1366 {0x16b4, 0x00000814},
1367 };
1368 static const struct reg_val pre_init2[] = {
1369 {0x0486, 0x0008a518},
1370 {0x0488, 0x006dc696},
1371 {0x048a, 0x00000912},
1372 };
1373 const struct firmware *fw;
1374 struct device *dev = &phydev->mdio.dev;
1375 unsigned int i;
1376 u16 crc, reg;
1377 int ret;
1378
1379 ret = vsc8584_pll5g_reset(phydev);
1380 if (ret < 0) {
1381 dev_err(dev, "failed LCPLL reset, ret: %d\n", ret);
1382 return ret;
1383 }
1384
1385 phy_base_write(phydev, MSCC_EXT_PAGE_ACCESS, MSCC_PHY_PAGE_STANDARD);
1386
1387 /* all writes below are broadcasted to all PHYs in the same package */
1388 reg = phy_base_read(phydev, MSCC_PHY_EXT_CNTL_STATUS);
1389 reg |= SMI_BROADCAST_WR_EN;
1390 phy_base_write(phydev, MSCC_PHY_EXT_CNTL_STATUS, reg);
1391
1392 phy_base_write(phydev, MII_VSC85XX_INT_MASK, 0);
1393
1394 reg = phy_base_read(phydev, MSCC_PHY_BYPASS_CONTROL);
1395 reg |= PARALLEL_DET_IGNORE_ADVERTISED;
1396 phy_base_write(phydev, MSCC_PHY_BYPASS_CONTROL, reg);
1397
1398 /* The below register writes are tweaking analog and electrical
1399 * configuration that were determined through characterization by PHY
1400 * engineers. These don't mean anything more than "these are the best
1401 * values".
1402 */
1403 phy_base_write(phydev, MSCC_EXT_PAGE_ACCESS, MSCC_PHY_PAGE_EXTENDED_3);
1404
1405 phy_base_write(phydev, MSCC_PHY_SERDES_TX_CRC_ERR_CNT, 0x2000);
1406
1407 phy_base_write(phydev, MSCC_EXT_PAGE_ACCESS, MSCC_PHY_PAGE_TEST);
1408
1409 phy_base_write(phydev, MSCC_PHY_TEST_PAGE_5, 0x1f20);
1410
1411 reg = phy_base_read(phydev, MSCC_PHY_TEST_PAGE_8);
1412 reg |= TR_CLK_DISABLE;
1413 phy_base_write(phydev, MSCC_PHY_TEST_PAGE_8, reg);
1414
1415 phy_base_write(phydev, MSCC_EXT_PAGE_ACCESS, MSCC_PHY_PAGE_TR);
1416
1417 phy_base_write(phydev, MSCC_PHY_TR_CNTL, TR_WRITE | TR_ADDR(0x2fa4));
1418
1419 reg = phy_base_read(phydev, MSCC_PHY_TR_MSB);
1420 reg &= ~0x007f;
1421 reg |= 0x0019;
1422 phy_base_write(phydev, MSCC_PHY_TR_MSB, reg);
1423
1424 phy_base_write(phydev, MSCC_PHY_TR_CNTL, TR_WRITE | TR_ADDR(0x0fa4));
1425
1426 for (i = 0; i < ARRAY_SIZE(pre_init1); i++)
1427 vsc8584_csr_write(phydev, pre_init1[i].reg, pre_init1[i].val);
1428
1429 phy_base_write(phydev, MSCC_EXT_PAGE_ACCESS, MSCC_PHY_PAGE_EXTENDED_2);
1430
1431 phy_base_write(phydev, MSCC_PHY_CU_PMD_TX_CNTL, 0x028e);
1432
1433 phy_base_write(phydev, MSCC_EXT_PAGE_ACCESS, MSCC_PHY_PAGE_TR);
1434
1435 for (i = 0; i < ARRAY_SIZE(pre_init2); i++)
1436 vsc8584_csr_write(phydev, pre_init2[i].reg, pre_init2[i].val);
1437
1438 phy_base_write(phydev, MSCC_EXT_PAGE_ACCESS, MSCC_PHY_PAGE_TEST);
1439
1440 reg = phy_base_read(phydev, MSCC_PHY_TEST_PAGE_8);
1441 reg &= ~TR_CLK_DISABLE;
1442 phy_base_write(phydev, MSCC_PHY_TEST_PAGE_8, reg);
1443
1444 phy_base_write(phydev, MSCC_EXT_PAGE_ACCESS, MSCC_PHY_PAGE_STANDARD);
1445
1446 /* end of write broadcasting */
1447 reg = phy_base_read(phydev, MSCC_PHY_EXT_CNTL_STATUS);
1448 reg &= ~SMI_BROADCAST_WR_EN;
1449 phy_base_write(phydev, MSCC_PHY_EXT_CNTL_STATUS, reg);
1450
1451 ret = request_firmware(&fw, MSCC_VSC8584_REVB_INT8051_FW, dev);
1452 if (ret) {
1453 dev_err(dev, "failed to load firmware %s, ret: %d\n",
1454 MSCC_VSC8584_REVB_INT8051_FW, ret);
1455 return ret;
1456 }
1457
1458 /* Add one byte to size for the one added by the patch_fw function */
1459 ret = vsc8584_get_fw_crc(phydev,
1460 MSCC_VSC8584_REVB_INT8051_FW_START_ADDR,
1461 fw->size + 1, &crc);
1462 if (ret)
1463 goto out;
1464
1465 if (crc != MSCC_VSC8584_REVB_INT8051_FW_CRC) {
1466 dev_dbg(dev, "FW CRC is not the expected one, patching FW\n");
1467 if (vsc8584_patch_fw(phydev, fw))
1468 dev_warn(dev,
1469 "failed to patch FW, expect non-optimal device\n");
1470 }
1471
1472 vsc8584_micro_deassert_reset(phydev, false);
1473
1474 /* Add one byte to size for the one added by the patch_fw function */
1475 ret = vsc8584_get_fw_crc(phydev,
1476 MSCC_VSC8584_REVB_INT8051_FW_START_ADDR,
1477 fw->size + 1, &crc);
1478 if (ret)
1479 goto out;
1480
1481 if (crc != MSCC_VSC8584_REVB_INT8051_FW_CRC)
1482 dev_warn(dev,
1483 "FW CRC after patching is not the expected one, expect non-optimal device\n");
1484
1485 ret = vsc8584_micro_assert_reset(phydev);
1486 if (ret)
1487 goto out;
1488
1489 /* Write patch vector 0, to skip IB cal polling */
1490 phy_base_write(phydev, MSCC_EXT_PAGE_ACCESS, MSCC_PHY_PAGE_EXTENDED_GPIO);
1491 reg = MSCC_ROM_TRAP_SERDES_6G_CFG; /* ROM address to trap, for patch vector 0 */
1492 ret = phy_base_write(phydev, MSCC_TRAP_ROM_ADDR(1), reg);
1493 if (ret)
1494 goto out;
1495
1496 reg = MSCC_RAM_TRAP_SERDES_6G_CFG; /* RAM address to jump to, when patch vector 0 enabled */
1497 ret = phy_base_write(phydev, MSCC_PATCH_RAM_ADDR(1), reg);
1498 if (ret)
1499 goto out;
1500
1501 reg = phy_base_read(phydev, MSCC_INT_MEM_CNTL);
1502 reg |= PATCH_VEC_ZERO_EN; /* bit 8, enable patch vector 0 */
1503 ret = phy_base_write(phydev, MSCC_INT_MEM_CNTL, reg);
1504 if (ret)
1505 goto out;
1506
1507 vsc8584_micro_deassert_reset(phydev, true);
1508
1509out:
1510 phy_base_write(phydev, MSCC_EXT_PAGE_ACCESS, MSCC_PHY_PAGE_STANDARD);
1511
1512 release_firmware(fw);
1513
1514 return ret;
1515}
1516
1517static void vsc8584_get_base_addr(struct phy_device *phydev)
1518{
1519 struct vsc8531_private *vsc8531 = phydev->priv;
1520 u16 val, addr;
1521
1522 phy_lock_mdio_bus(phydev);
1523 __phy_write(phydev, MSCC_EXT_PAGE_ACCESS, MSCC_PHY_PAGE_EXTENDED);
1524
1525 addr = __phy_read(phydev, MSCC_PHY_EXT_PHY_CNTL_4);
1526 addr >>= PHY_CNTL_4_ADDR_POS;
1527
1528 val = __phy_read(phydev, MSCC_PHY_ACTIPHY_CNTL);
1529
1530 __phy_write(phydev, MSCC_EXT_PAGE_ACCESS, MSCC_PHY_PAGE_STANDARD);
1531 phy_unlock_mdio_bus(phydev);
1532
1533 /* In the package, there are two pairs of PHYs (PHY0 + PHY2 and
1534 * PHY1 + PHY3). The first PHY of each pair (PHY0 and PHY1) is
1535 * the base PHY for timestamping operations.
1536 */
1537 vsc8531->ts_base_addr = phydev->mdio.addr;
1538 vsc8531->ts_base_phy = addr;
1539
1540 if (val & PHY_ADDR_REVERSED) {
1541 vsc8531->base_addr = phydev->mdio.addr + addr;
1542 if (addr > 1) {
1543 vsc8531->ts_base_addr += 2;
1544 vsc8531->ts_base_phy += 2;
1545 }
1546 } else {
1547 vsc8531->base_addr = phydev->mdio.addr - addr;
1548 if (addr > 1) {
1549 vsc8531->ts_base_addr -= 2;
1550 vsc8531->ts_base_phy -= 2;
1551 }
1552 }
1553
1554 vsc8531->addr = addr;
1555}
1556
1557static void vsc85xx_coma_mode_release(struct phy_device *phydev)
1558{
1559 /* The coma mode (pin or reg) provides an optional feature that
1560 * may be used to control when the PHYs become active.
1561 * Alternatively the COMA_MODE pin may be connected low
1562 * so that the PHYs are fully active once out of reset.
1563 */
1564
1565 /* Enable output (mode=0) and write zero to it */
1566 vsc85xx_phy_write_page(phydev, MSCC_PHY_PAGE_EXTENDED_GPIO);
1567 __phy_modify(phydev, MSCC_PHY_GPIO_CONTROL_2,
1568 MSCC_PHY_COMA_MODE | MSCC_PHY_COMA_OUTPUT, 0);
1569 vsc85xx_phy_write_page(phydev, MSCC_PHY_PAGE_STANDARD);
1570}
1571
1572static int vsc8584_config_host_serdes(struct phy_device *phydev)
1573{
1574 struct vsc8531_private *vsc8531 = phydev->priv;
1575 int ret;
1576 u16 val;
1577
1578 ret = phy_base_write(phydev, MSCC_EXT_PAGE_ACCESS,
1579 MSCC_PHY_PAGE_EXTENDED_GPIO);
1580 if (ret)
1581 return ret;
1582
1583 val = phy_base_read(phydev, MSCC_PHY_MAC_CFG_FASTLINK);
1584 val &= ~MAC_CFG_MASK;
1585 if (phydev->interface == PHY_INTERFACE_MODE_QSGMII) {
1586 val |= MAC_CFG_QSGMII;
1587 } else if (phydev->interface == PHY_INTERFACE_MODE_SGMII) {
1588 val |= MAC_CFG_SGMII;
1589 } else {
1590 ret = -EINVAL;
1591 return ret;
1592 }
1593
1594 ret = phy_base_write(phydev, MSCC_PHY_MAC_CFG_FASTLINK, val);
1595 if (ret)
1596 return ret;
1597
1598 ret = phy_base_write(phydev, MSCC_EXT_PAGE_ACCESS,
1599 MSCC_PHY_PAGE_STANDARD);
1600 if (ret)
1601 return ret;
1602
1603 val = PROC_CMD_MCB_ACCESS_MAC_CONF | PROC_CMD_RST_CONF_PORT |
1604 PROC_CMD_READ_MOD_WRITE_PORT;
1605 if (phydev->interface == PHY_INTERFACE_MODE_QSGMII)
1606 val |= PROC_CMD_QSGMII_MAC;
1607 else
1608 val |= PROC_CMD_SGMII_MAC;
1609
1610 ret = vsc8584_cmd(phydev, val);
1611 if (ret)
1612 return ret;
1613
1614 usleep_range(10000, 20000);
1615
1616 /* Disable SerDes for 100Base-FX */
1617 ret = vsc8584_cmd(phydev, PROC_CMD_FIBER_MEDIA_CONF |
1618 PROC_CMD_FIBER_PORT(vsc8531->addr) |
1619 PROC_CMD_FIBER_DISABLE |
1620 PROC_CMD_READ_MOD_WRITE_PORT |
1621 PROC_CMD_RST_CONF_PORT | PROC_CMD_FIBER_100BASE_FX);
1622 if (ret)
1623 return ret;
1624
1625 /* Disable SerDes for 1000Base-X */
1626 ret = vsc8584_cmd(phydev, PROC_CMD_FIBER_MEDIA_CONF |
1627 PROC_CMD_FIBER_PORT(vsc8531->addr) |
1628 PROC_CMD_FIBER_DISABLE |
1629 PROC_CMD_READ_MOD_WRITE_PORT |
1630 PROC_CMD_RST_CONF_PORT | PROC_CMD_FIBER_1000BASE_X);
1631 if (ret)
1632 return ret;
1633
1634 return vsc85xx_sd6g_config_v2(phydev);
1635}
1636
1637static int vsc8574_config_host_serdes(struct phy_device *phydev)
1638{
1639 struct vsc8531_private *vsc8531 = phydev->priv;
1640 int ret;
1641 u16 val;
1642
1643 ret = phy_base_write(phydev, MSCC_EXT_PAGE_ACCESS,
1644 MSCC_PHY_PAGE_EXTENDED_GPIO);
1645 if (ret)
1646 return ret;
1647
1648 val = phy_base_read(phydev, MSCC_PHY_MAC_CFG_FASTLINK);
1649 val &= ~MAC_CFG_MASK;
1650 if (phydev->interface == PHY_INTERFACE_MODE_QSGMII) {
1651 val |= MAC_CFG_QSGMII;
1652 } else if (phydev->interface == PHY_INTERFACE_MODE_SGMII) {
1653 val |= MAC_CFG_SGMII;
1654 } else if (phy_interface_is_rgmii(phydev)) {
1655 val |= MAC_CFG_RGMII;
1656 } else {
1657 ret = -EINVAL;
1658 return ret;
1659 }
1660
1661 ret = phy_base_write(phydev, MSCC_PHY_MAC_CFG_FASTLINK, val);
1662 if (ret)
1663 return ret;
1664
1665 ret = phy_base_write(phydev, MSCC_EXT_PAGE_ACCESS,
1666 MSCC_PHY_PAGE_STANDARD);
1667 if (ret)
1668 return ret;
1669
1670 if (!phy_interface_is_rgmii(phydev)) {
1671 val = PROC_CMD_MCB_ACCESS_MAC_CONF | PROC_CMD_RST_CONF_PORT |
1672 PROC_CMD_READ_MOD_WRITE_PORT;
1673 if (phydev->interface == PHY_INTERFACE_MODE_QSGMII)
1674 val |= PROC_CMD_QSGMII_MAC;
1675 else
1676 val |= PROC_CMD_SGMII_MAC;
1677
1678 ret = vsc8584_cmd(phydev, val);
1679 if (ret)
1680 return ret;
1681
1682 usleep_range(10000, 20000);
1683 }
1684
1685 /* Disable SerDes for 100Base-FX */
1686 ret = vsc8584_cmd(phydev, PROC_CMD_FIBER_MEDIA_CONF |
1687 PROC_CMD_FIBER_PORT(vsc8531->addr) |
1688 PROC_CMD_FIBER_DISABLE |
1689 PROC_CMD_READ_MOD_WRITE_PORT |
1690 PROC_CMD_RST_CONF_PORT | PROC_CMD_FIBER_100BASE_FX);
1691 if (ret)
1692 return ret;
1693
1694 /* Disable SerDes for 1000Base-X */
1695 return vsc8584_cmd(phydev, PROC_CMD_FIBER_MEDIA_CONF |
1696 PROC_CMD_FIBER_PORT(vsc8531->addr) |
1697 PROC_CMD_FIBER_DISABLE |
1698 PROC_CMD_READ_MOD_WRITE_PORT |
1699 PROC_CMD_RST_CONF_PORT | PROC_CMD_FIBER_1000BASE_X);
1700}
1701
1702static int vsc8584_config_init(struct phy_device *phydev)
1703{
1704 struct vsc8531_private *vsc8531 = phydev->priv;
1705 int ret, i;
1706 u16 val;
1707
1708 phydev->mdix_ctrl = ETH_TP_MDI_AUTO;
1709
1710 phy_lock_mdio_bus(phydev);
1711
1712 /* Some parts of the init sequence are identical for every PHY in the
1713 * package. Some parts are modifying the GPIO register bank which is a
1714 * set of registers that are affecting all PHYs, a few resetting the
1715 * microprocessor common to all PHYs. The CRC check responsible of the
1716 * checking the firmware within the 8051 microprocessor can only be
1717 * accessed via the PHY whose internal address in the package is 0.
1718 * All PHYs' interrupts mask register has to be zeroed before enabling
1719 * any PHY's interrupt in this register.
1720 * For all these reasons, we need to do the init sequence once and only
1721 * once whatever is the first PHY in the package that is initialized and
1722 * do the correct init sequence for all PHYs that are package-critical
1723 * in this pre-init function.
1724 */
1725 if (phy_package_init_once(phydev)) {
1726 /* The following switch statement assumes that the lowest
1727 * nibble of the phy_id_mask is always 0. This works because
1728 * the lowest nibble of the PHY_ID's below are also 0.
1729 */
1730 WARN_ON(phydev->drv->phy_id_mask & 0xf);
1731
1732 switch (phydev->phy_id & phydev->drv->phy_id_mask) {
1733 case PHY_ID_VSC8504:
1734 case PHY_ID_VSC8552:
1735 case PHY_ID_VSC8572:
1736 case PHY_ID_VSC8574:
1737 ret = vsc8574_config_pre_init(phydev);
1738 if (ret)
1739 goto err;
1740 ret = vsc8574_config_host_serdes(phydev);
1741 if (ret)
1742 goto err;
1743 break;
1744 case PHY_ID_VSC856X:
1745 case PHY_ID_VSC8575:
1746 case PHY_ID_VSC8582:
1747 case PHY_ID_VSC8584:
1748 ret = vsc8584_config_pre_init(phydev);
1749 if (ret)
1750 goto err;
1751 ret = vsc8584_config_host_serdes(phydev);
1752 if (ret)
1753 goto err;
1754 vsc85xx_coma_mode_release(phydev);
1755 break;
1756 default:
1757 ret = -EINVAL;
1758 break;
1759 }
1760
1761 if (ret)
1762 goto err;
1763 }
1764
1765 phy_unlock_mdio_bus(phydev);
1766
1767 ret = vsc8584_macsec_init(phydev);
1768 if (ret)
1769 return ret;
1770
1771 ret = vsc8584_ptp_init(phydev);
1772 if (ret)
1773 return ret;
1774
1775 val = phy_read(phydev, MSCC_PHY_EXT_PHY_CNTL_1);
1776 val &= ~(MEDIA_OP_MODE_MASK | VSC8584_MAC_IF_SELECTION_MASK);
1777 val |= (MEDIA_OP_MODE_COPPER << MEDIA_OP_MODE_POS) |
1778 (VSC8584_MAC_IF_SELECTION_SGMII << VSC8584_MAC_IF_SELECTION_POS);
1779 ret = phy_write(phydev, MSCC_PHY_EXT_PHY_CNTL_1, val);
1780 if (ret)
1781 return ret;
1782
1783 ret = vsc85xx_update_rgmii_cntl(phydev, VSC8572_RGMII_CNTL,
1784 VSC8572_RGMII_RX_DELAY_MASK,
1785 VSC8572_RGMII_TX_DELAY_MASK);
1786 if (ret)
1787 return ret;
1788
1789 ret = genphy_soft_reset(phydev);
1790 if (ret)
1791 return ret;
1792
1793 for (i = 0; i < vsc8531->nleds; i++) {
1794 ret = vsc85xx_led_cntl_set(phydev, i, vsc8531->leds_mode[i]);
1795 if (ret)
1796 return ret;
1797 }
1798
1799 return 0;
1800
1801err:
1802 phy_unlock_mdio_bus(phydev);
1803 return ret;
1804}
1805
1806static irqreturn_t vsc8584_handle_interrupt(struct phy_device *phydev)
1807{
1808 irqreturn_t ret;
1809 int irq_status;
1810
1811 irq_status = phy_read(phydev, MII_VSC85XX_INT_STATUS);
1812 if (irq_status < 0)
1813 return IRQ_NONE;
1814
1815 /* Timestamping IRQ does not set a bit in the global INT_STATUS, so
1816 * irq_status would be 0.
1817 */
1818 ret = vsc8584_handle_ts_interrupt(phydev);
1819 if (!(irq_status & MII_VSC85XX_INT_MASK_MASK))
1820 return ret;
1821
1822 if (irq_status & MII_VSC85XX_INT_MASK_EXT)
1823 vsc8584_handle_macsec_interrupt(phydev);
1824
1825 if (irq_status & MII_VSC85XX_INT_MASK_LINK_CHG)
1826 phy_trigger_machine(phydev);
1827
1828 return IRQ_HANDLED;
1829}
1830
1831static int vsc85xx_config_init(struct phy_device *phydev)
1832{
1833 int rc, i, phy_id;
1834 struct vsc8531_private *vsc8531 = phydev->priv;
1835
1836 rc = vsc85xx_default_config(phydev);
1837 if (rc)
1838 return rc;
1839
1840 rc = vsc85xx_mac_if_set(phydev, phydev->interface);
1841 if (rc)
1842 return rc;
1843
1844 rc = vsc85xx_edge_rate_cntl_set(phydev, vsc8531->rate_magic);
1845 if (rc)
1846 return rc;
1847
1848 phy_id = phydev->drv->phy_id & phydev->drv->phy_id_mask;
1849 if (PHY_ID_VSC8531 == phy_id || PHY_ID_VSC8541 == phy_id ||
1850 PHY_ID_VSC8530 == phy_id || PHY_ID_VSC8540 == phy_id) {
1851 rc = vsc8531_pre_init_seq_set(phydev);
1852 if (rc)
1853 return rc;
1854 }
1855
1856 rc = vsc85xx_eee_init_seq_set(phydev);
1857 if (rc)
1858 return rc;
1859
1860 for (i = 0; i < vsc8531->nleds; i++) {
1861 rc = vsc85xx_led_cntl_set(phydev, i, vsc8531->leds_mode[i]);
1862 if (rc)
1863 return rc;
1864 }
1865
1866 return 0;
1867}
1868
1869static int __phy_write_mcb_s6g(struct phy_device *phydev, u32 reg, u8 mcb,
1870 u32 op)
1871{
1872 unsigned long deadline;
1873 u32 val;
1874 int ret;
1875
1876 ret = vsc85xx_csr_write(phydev, PHY_MCB_TARGET, reg,
1877 op | (1 << mcb));
1878 if (ret)
1879 return -EINVAL;
1880
1881 deadline = jiffies + msecs_to_jiffies(PROC_CMD_NCOMPLETED_TIMEOUT_MS);
1882 do {
1883 usleep_range(500, 1000);
1884 val = vsc85xx_csr_read(phydev, PHY_MCB_TARGET, reg);
1885
1886 if (val == 0xffffffff)
1887 return -EIO;
1888
1889 } while (time_before(jiffies, deadline) && (val & op));
1890
1891 if (val & op)
1892 return -ETIMEDOUT;
1893
1894 return 0;
1895}
1896
1897/* Trigger a read to the specified MCB */
1898int phy_update_mcb_s6g(struct phy_device *phydev, u32 reg, u8 mcb)
1899{
1900 return __phy_write_mcb_s6g(phydev, reg, mcb, PHY_MCB_S6G_READ);
1901}
1902
1903/* Trigger a write to the specified MCB */
1904int phy_commit_mcb_s6g(struct phy_device *phydev, u32 reg, u8 mcb)
1905{
1906 return __phy_write_mcb_s6g(phydev, reg, mcb, PHY_MCB_S6G_WRITE);
1907}
1908
1909static int vsc8514_config_host_serdes(struct phy_device *phydev)
1910{
1911 int ret;
1912 u16 val;
1913
1914 ret = phy_base_write(phydev, MSCC_EXT_PAGE_ACCESS,
1915 MSCC_PHY_PAGE_EXTENDED_GPIO);
1916 if (ret)
1917 return ret;
1918
1919 val = phy_base_read(phydev, MSCC_PHY_MAC_CFG_FASTLINK);
1920 val &= ~MAC_CFG_MASK;
1921 val |= MAC_CFG_QSGMII;
1922 ret = phy_base_write(phydev, MSCC_PHY_MAC_CFG_FASTLINK, val);
1923 if (ret)
1924 return ret;
1925
1926 ret = phy_base_write(phydev, MSCC_EXT_PAGE_ACCESS,
1927 MSCC_PHY_PAGE_STANDARD);
1928 if (ret)
1929 return ret;
1930
1931 ret = vsc8584_cmd(phydev, PROC_CMD_NOP);
1932 if (ret)
1933 return ret;
1934
1935 ret = vsc8584_cmd(phydev,
1936 PROC_CMD_MCB_ACCESS_MAC_CONF |
1937 PROC_CMD_RST_CONF_PORT |
1938 PROC_CMD_READ_MOD_WRITE_PORT | PROC_CMD_QSGMII_MAC);
1939 if (ret) {
1940 dev_err(&phydev->mdio.dev, "%s: QSGMII error: %d\n",
1941 __func__, ret);
1942 return ret;
1943 }
1944
1945 /* Apply 6G SerDes FOJI Algorithm
1946 * Initial condition requirement:
1947 * 1. hold 8051 in reset
1948 * 2. disable patch vector 0, in order to allow IB cal poll during FoJi
1949 * 3. deassert 8051 reset after change patch vector status
1950 * 4. proceed with FoJi (vsc85xx_sd6g_config_v2)
1951 */
1952 vsc8584_micro_assert_reset(phydev);
1953 val = phy_base_read(phydev, MSCC_INT_MEM_CNTL);
1954 /* clear bit 8, to disable patch vector 0 */
1955 val &= ~PATCH_VEC_ZERO_EN;
1956 ret = phy_base_write(phydev, MSCC_INT_MEM_CNTL, val);
1957 /* Enable 8051 clock, don't set patch present, disable PRAM clock override */
1958 vsc8584_micro_deassert_reset(phydev, false);
1959
1960 return vsc85xx_sd6g_config_v2(phydev);
1961}
1962
1963static int vsc8514_config_pre_init(struct phy_device *phydev)
1964{
1965 /* These are the settings to override the silicon default
1966 * values to handle hardware performance of PHY. They
1967 * are set at Power-On state and remain until PHY Reset.
1968 */
1969 static const struct reg_val pre_init1[] = {
1970 {0x0f90, 0x00688980},
1971 {0x0786, 0x00000003},
1972 {0x07fa, 0x0050100f},
1973 {0x0f82, 0x0012b002},
1974 {0x1686, 0x00000004},
1975 {0x168c, 0x00d2c46f},
1976 {0x17a2, 0x00000620},
1977 {0x16a0, 0x00eeffdd},
1978 {0x16a6, 0x00071448},
1979 {0x16a4, 0x0013132f},
1980 {0x16a8, 0x00000000},
1981 {0x0ffc, 0x00c0a028},
1982 {0x0fe8, 0x0091b06c},
1983 {0x0fea, 0x00041600},
1984 {0x0f80, 0x00fffaff},
1985 {0x0fec, 0x00901809},
1986 {0x0ffe, 0x00b01007},
1987 {0x16b0, 0x00eeff00},
1988 {0x16b2, 0x00007000},
1989 {0x16b4, 0x00000814},
1990 };
1991 struct device *dev = &phydev->mdio.dev;
1992 unsigned int i;
1993 u16 reg;
1994 int ret;
1995
1996 ret = vsc8584_pll5g_reset(phydev);
1997 if (ret < 0) {
1998 dev_err(dev, "failed LCPLL reset, ret: %d\n", ret);
1999 return ret;
2000 }
2001
2002 phy_base_write(phydev, MSCC_EXT_PAGE_ACCESS, MSCC_PHY_PAGE_STANDARD);
2003
2004 /* all writes below are broadcasted to all PHYs in the same package */
2005 reg = phy_base_read(phydev, MSCC_PHY_EXT_CNTL_STATUS);
2006 reg |= SMI_BROADCAST_WR_EN;
2007 phy_base_write(phydev, MSCC_PHY_EXT_CNTL_STATUS, reg);
2008
2009 phy_base_write(phydev, MSCC_EXT_PAGE_ACCESS, MSCC_PHY_PAGE_TEST);
2010
2011 reg = phy_base_read(phydev, MSCC_PHY_TEST_PAGE_8);
2012 reg |= BIT(15);
2013 phy_base_write(phydev, MSCC_PHY_TEST_PAGE_8, reg);
2014
2015 phy_base_write(phydev, MSCC_EXT_PAGE_ACCESS, MSCC_PHY_PAGE_TR);
2016
2017 for (i = 0; i < ARRAY_SIZE(pre_init1); i++)
2018 vsc8584_csr_write(phydev, pre_init1[i].reg, pre_init1[i].val);
2019
2020 phy_base_write(phydev, MSCC_EXT_PAGE_ACCESS, MSCC_PHY_PAGE_TEST);
2021
2022 reg = phy_base_read(phydev, MSCC_PHY_TEST_PAGE_8);
2023 reg &= ~BIT(15);
2024 phy_base_write(phydev, MSCC_PHY_TEST_PAGE_8, reg);
2025
2026 phy_base_write(phydev, MSCC_EXT_PAGE_ACCESS, MSCC_PHY_PAGE_STANDARD);
2027
2028 reg = phy_base_read(phydev, MSCC_PHY_EXT_CNTL_STATUS);
2029 reg &= ~SMI_BROADCAST_WR_EN;
2030 phy_base_write(phydev, MSCC_PHY_EXT_CNTL_STATUS, reg);
2031
2032 /* Add pre-patching commands to:
2033 * 1. enable 8051 clock, operate 8051 clock at 125 MHz
2034 * instead of HW default 62.5MHz
2035 * 2. write patch vector 0, to skip IB cal polling executed
2036 * as part of the 0x80E0 ROM command
2037 */
2038 vsc8584_micro_deassert_reset(phydev, false);
2039
2040 vsc8584_micro_assert_reset(phydev);
2041 phy_base_write(phydev, MSCC_EXT_PAGE_ACCESS,
2042 MSCC_PHY_PAGE_EXTENDED_GPIO);
2043 /* ROM address to trap, for patch vector 0 */
2044 reg = MSCC_ROM_TRAP_SERDES_6G_CFG;
2045 ret = phy_base_write(phydev, MSCC_TRAP_ROM_ADDR(1), reg);
2046 if (ret)
2047 goto err;
2048 /* RAM address to jump to, when patch vector 0 enabled */
2049 reg = MSCC_RAM_TRAP_SERDES_6G_CFG;
2050 ret = phy_base_write(phydev, MSCC_PATCH_RAM_ADDR(1), reg);
2051 if (ret)
2052 goto err;
2053 reg = phy_base_read(phydev, MSCC_INT_MEM_CNTL);
2054 reg |= PATCH_VEC_ZERO_EN; /* bit 8, enable patch vector 0 */
2055 ret = phy_base_write(phydev, MSCC_INT_MEM_CNTL, reg);
2056 if (ret)
2057 goto err;
2058
2059 /* Enable 8051 clock, don't set patch present
2060 * yet, disable PRAM clock override
2061 */
2062 vsc8584_micro_deassert_reset(phydev, false);
2063 return ret;
2064 err:
2065 /* restore 8051 and bail w error */
2066 vsc8584_micro_deassert_reset(phydev, false);
2067 return ret;
2068}
2069
2070static int vsc8514_config_init(struct phy_device *phydev)
2071{
2072 struct vsc8531_private *vsc8531 = phydev->priv;
2073 int ret, i;
2074
2075 phydev->mdix_ctrl = ETH_TP_MDI_AUTO;
2076
2077 phy_lock_mdio_bus(phydev);
2078
2079 /* Some parts of the init sequence are identical for every PHY in the
2080 * package. Some parts are modifying the GPIO register bank which is a
2081 * set of registers that are affecting all PHYs, a few resetting the
2082 * microprocessor common to all PHYs.
2083 * All PHYs' interrupts mask register has to be zeroed before enabling
2084 * any PHY's interrupt in this register.
2085 * For all these reasons, we need to do the init sequence once and only
2086 * once whatever is the first PHY in the package that is initialized and
2087 * do the correct init sequence for all PHYs that are package-critical
2088 * in this pre-init function.
2089 */
2090 if (phy_package_init_once(phydev)) {
2091 ret = vsc8514_config_pre_init(phydev);
2092 if (ret)
2093 goto err;
2094 ret = vsc8514_config_host_serdes(phydev);
2095 if (ret)
2096 goto err;
2097 vsc85xx_coma_mode_release(phydev);
2098 }
2099
2100 phy_unlock_mdio_bus(phydev);
2101
2102 ret = phy_modify(phydev, MSCC_PHY_EXT_PHY_CNTL_1, MEDIA_OP_MODE_MASK,
2103 MEDIA_OP_MODE_COPPER << MEDIA_OP_MODE_POS);
2104
2105 if (ret)
2106 return ret;
2107
2108 ret = genphy_soft_reset(phydev);
2109
2110 if (ret)
2111 return ret;
2112
2113 for (i = 0; i < vsc8531->nleds; i++) {
2114 ret = vsc85xx_led_cntl_set(phydev, i, vsc8531->leds_mode[i]);
2115 if (ret)
2116 return ret;
2117 }
2118
2119 return ret;
2120
2121err:
2122 phy_unlock_mdio_bus(phydev);
2123 return ret;
2124}
2125
2126static int vsc85xx_ack_interrupt(struct phy_device *phydev)
2127{
2128 int rc = 0;
2129
2130 if (phydev->interrupts == PHY_INTERRUPT_ENABLED)
2131 rc = phy_read(phydev, MII_VSC85XX_INT_STATUS);
2132
2133 return (rc < 0) ? rc : 0;
2134}
2135
2136static int vsc85xx_config_intr(struct phy_device *phydev)
2137{
2138 int rc;
2139
2140 if (phydev->interrupts == PHY_INTERRUPT_ENABLED) {
2141 rc = vsc85xx_ack_interrupt(phydev);
2142 if (rc)
2143 return rc;
2144
2145 vsc8584_config_macsec_intr(phydev);
2146 vsc8584_config_ts_intr(phydev);
2147
2148 rc = phy_write(phydev, MII_VSC85XX_INT_MASK,
2149 MII_VSC85XX_INT_MASK_MASK);
2150 } else {
2151 rc = phy_write(phydev, MII_VSC85XX_INT_MASK, 0);
2152 if (rc < 0)
2153 return rc;
2154 rc = phy_read(phydev, MII_VSC85XX_INT_STATUS);
2155 if (rc < 0)
2156 return rc;
2157
2158 rc = vsc85xx_ack_interrupt(phydev);
2159 }
2160
2161 return rc;
2162}
2163
2164static irqreturn_t vsc85xx_handle_interrupt(struct phy_device *phydev)
2165{
2166 int irq_status;
2167
2168 irq_status = phy_read(phydev, MII_VSC85XX_INT_STATUS);
2169 if (irq_status < 0) {
2170 phy_error(phydev);
2171 return IRQ_NONE;
2172 }
2173
2174 if (!(irq_status & MII_VSC85XX_INT_MASK_MASK))
2175 return IRQ_NONE;
2176
2177 phy_trigger_machine(phydev);
2178
2179 return IRQ_HANDLED;
2180}
2181
2182static int vsc85xx_config_aneg(struct phy_device *phydev)
2183{
2184 int rc;
2185
2186 rc = vsc85xx_mdix_set(phydev, phydev->mdix_ctrl);
2187 if (rc < 0)
2188 return rc;
2189
2190 return genphy_config_aneg(phydev);
2191}
2192
2193static int vsc85xx_read_status(struct phy_device *phydev)
2194{
2195 int rc;
2196
2197 rc = vsc85xx_mdix_get(phydev, &phydev->mdix);
2198 if (rc < 0)
2199 return rc;
2200
2201 return genphy_read_status(phydev);
2202}
2203
2204static int vsc8514_probe(struct phy_device *phydev)
2205{
2206 struct vsc8531_private *vsc8531;
2207 u32 default_mode[4] = {VSC8531_LINK_1000_ACTIVITY,
2208 VSC8531_LINK_100_ACTIVITY, VSC8531_LINK_ACTIVITY,
2209 VSC8531_DUPLEX_COLLISION};
2210
2211 vsc8531 = devm_kzalloc(&phydev->mdio.dev, sizeof(*vsc8531), GFP_KERNEL);
2212 if (!vsc8531)
2213 return -ENOMEM;
2214
2215 phydev->priv = vsc8531;
2216
2217 vsc8584_get_base_addr(phydev);
2218 devm_phy_package_join(&phydev->mdio.dev, phydev,
2219 vsc8531->base_addr, 0);
2220
2221 vsc8531->nleds = 4;
2222 vsc8531->supp_led_modes = VSC85XX_SUPP_LED_MODES;
2223 vsc8531->hw_stats = vsc85xx_hw_stats;
2224 vsc8531->nstats = ARRAY_SIZE(vsc85xx_hw_stats);
2225 vsc8531->stats = devm_kcalloc(&phydev->mdio.dev, vsc8531->nstats,
2226 sizeof(u64), GFP_KERNEL);
2227 if (!vsc8531->stats)
2228 return -ENOMEM;
2229
2230 return vsc85xx_dt_led_modes_get(phydev, default_mode);
2231}
2232
2233static int vsc8574_probe(struct phy_device *phydev)
2234{
2235 struct vsc8531_private *vsc8531;
2236 u32 default_mode[4] = {VSC8531_LINK_1000_ACTIVITY,
2237 VSC8531_LINK_100_ACTIVITY, VSC8531_LINK_ACTIVITY,
2238 VSC8531_DUPLEX_COLLISION};
2239
2240 vsc8531 = devm_kzalloc(&phydev->mdio.dev, sizeof(*vsc8531), GFP_KERNEL);
2241 if (!vsc8531)
2242 return -ENOMEM;
2243
2244 phydev->priv = vsc8531;
2245
2246 vsc8584_get_base_addr(phydev);
2247 devm_phy_package_join(&phydev->mdio.dev, phydev,
2248 vsc8531->base_addr, 0);
2249
2250 vsc8531->nleds = 4;
2251 vsc8531->supp_led_modes = VSC8584_SUPP_LED_MODES;
2252 vsc8531->hw_stats = vsc8584_hw_stats;
2253 vsc8531->nstats = ARRAY_SIZE(vsc8584_hw_stats);
2254 vsc8531->stats = devm_kcalloc(&phydev->mdio.dev, vsc8531->nstats,
2255 sizeof(u64), GFP_KERNEL);
2256 if (!vsc8531->stats)
2257 return -ENOMEM;
2258
2259 return vsc85xx_dt_led_modes_get(phydev, default_mode);
2260}
2261
2262static int vsc8584_probe(struct phy_device *phydev)
2263{
2264 struct vsc8531_private *vsc8531;
2265 u32 default_mode[4] = {VSC8531_LINK_1000_ACTIVITY,
2266 VSC8531_LINK_100_ACTIVITY, VSC8531_LINK_ACTIVITY,
2267 VSC8531_DUPLEX_COLLISION};
2268 int ret;
2269
2270 if ((phydev->phy_id & MSCC_DEV_REV_MASK) != VSC8584_REVB) {
2271 dev_err(&phydev->mdio.dev, "Only VSC8584 revB is supported.\n");
2272 return -ENOTSUPP;
2273 }
2274
2275 vsc8531 = devm_kzalloc(&phydev->mdio.dev, sizeof(*vsc8531), GFP_KERNEL);
2276 if (!vsc8531)
2277 return -ENOMEM;
2278
2279 phydev->priv = vsc8531;
2280
2281 vsc8584_get_base_addr(phydev);
2282 devm_phy_package_join(&phydev->mdio.dev, phydev, vsc8531->base_addr,
2283 sizeof(struct vsc85xx_shared_private));
2284
2285 vsc8531->nleds = 4;
2286 vsc8531->supp_led_modes = VSC8584_SUPP_LED_MODES;
2287 vsc8531->hw_stats = vsc8584_hw_stats;
2288 vsc8531->nstats = ARRAY_SIZE(vsc8584_hw_stats);
2289 vsc8531->stats = devm_kcalloc(&phydev->mdio.dev, vsc8531->nstats,
2290 sizeof(u64), GFP_KERNEL);
2291 if (!vsc8531->stats)
2292 return -ENOMEM;
2293
2294 if (phy_package_probe_once(phydev)) {
2295 ret = vsc8584_ptp_probe_once(phydev);
2296 if (ret)
2297 return ret;
2298 }
2299
2300 ret = vsc8584_ptp_probe(phydev);
2301 if (ret)
2302 return ret;
2303
2304 return vsc85xx_dt_led_modes_get(phydev, default_mode);
2305}
2306
2307static int vsc85xx_probe(struct phy_device *phydev)
2308{
2309 struct vsc8531_private *vsc8531;
2310 int rate_magic;
2311 u32 default_mode[2] = {VSC8531_LINK_1000_ACTIVITY,
2312 VSC8531_LINK_100_ACTIVITY};
2313
2314 rate_magic = vsc85xx_edge_rate_magic_get(phydev);
2315 if (rate_magic < 0)
2316 return rate_magic;
2317
2318 vsc8531 = devm_kzalloc(&phydev->mdio.dev, sizeof(*vsc8531), GFP_KERNEL);
2319 if (!vsc8531)
2320 return -ENOMEM;
2321
2322 phydev->priv = vsc8531;
2323
2324 vsc8531->rate_magic = rate_magic;
2325 vsc8531->nleds = 2;
2326 vsc8531->supp_led_modes = VSC85XX_SUPP_LED_MODES;
2327 vsc8531->hw_stats = vsc85xx_hw_stats;
2328 vsc8531->nstats = ARRAY_SIZE(vsc85xx_hw_stats);
2329 vsc8531->stats = devm_kcalloc(&phydev->mdio.dev, vsc8531->nstats,
2330 sizeof(u64), GFP_KERNEL);
2331 if (!vsc8531->stats)
2332 return -ENOMEM;
2333
2334 return vsc85xx_dt_led_modes_get(phydev, default_mode);
2335}
2336
2337/* Microsemi VSC85xx PHYs */
2338static struct phy_driver vsc85xx_driver[] = {
2339{
2340 .phy_id = PHY_ID_VSC8501,
2341 .name = "Microsemi GE VSC8501 SyncE",
2342 .phy_id_mask = 0xfffffff0,
2343 /* PHY_BASIC_FEATURES */
2344 .soft_reset = &genphy_soft_reset,
2345 .config_init = &vsc85xx_config_init,
2346 .config_aneg = &vsc85xx_config_aneg,
2347 .read_status = &vsc85xx_read_status,
2348 .handle_interrupt = vsc85xx_handle_interrupt,
2349 .config_intr = &vsc85xx_config_intr,
2350 .suspend = &genphy_suspend,
2351 .resume = &genphy_resume,
2352 .probe = &vsc85xx_probe,
2353 .set_wol = &vsc85xx_wol_set,
2354 .get_wol = &vsc85xx_wol_get,
2355 .get_tunable = &vsc85xx_get_tunable,
2356 .set_tunable = &vsc85xx_set_tunable,
2357 .read_page = &vsc85xx_phy_read_page,
2358 .write_page = &vsc85xx_phy_write_page,
2359 .get_sset_count = &vsc85xx_get_sset_count,
2360 .get_strings = &vsc85xx_get_strings,
2361 .get_stats = &vsc85xx_get_stats,
2362},
2363{
2364 .phy_id = PHY_ID_VSC8502,
2365 .name = "Microsemi GE VSC8502 SyncE",
2366 .phy_id_mask = 0xfffffff0,
2367 /* PHY_BASIC_FEATURES */
2368 .soft_reset = &genphy_soft_reset,
2369 .config_init = &vsc85xx_config_init,
2370 .config_aneg = &vsc85xx_config_aneg,
2371 .read_status = &vsc85xx_read_status,
2372 .handle_interrupt = vsc85xx_handle_interrupt,
2373 .config_intr = &vsc85xx_config_intr,
2374 .suspend = &genphy_suspend,
2375 .resume = &genphy_resume,
2376 .probe = &vsc85xx_probe,
2377 .set_wol = &vsc85xx_wol_set,
2378 .get_wol = &vsc85xx_wol_get,
2379 .get_tunable = &vsc85xx_get_tunable,
2380 .set_tunable = &vsc85xx_set_tunable,
2381 .read_page = &vsc85xx_phy_read_page,
2382 .write_page = &vsc85xx_phy_write_page,
2383 .get_sset_count = &vsc85xx_get_sset_count,
2384 .get_strings = &vsc85xx_get_strings,
2385 .get_stats = &vsc85xx_get_stats,
2386},
2387{
2388 .phy_id = PHY_ID_VSC8504,
2389 .name = "Microsemi GE VSC8504 SyncE",
2390 .phy_id_mask = 0xfffffff0,
2391 /* PHY_GBIT_FEATURES */
2392 .soft_reset = &genphy_soft_reset,
2393 .config_init = &vsc8584_config_init,
2394 .config_aneg = &vsc85xx_config_aneg,
2395 .aneg_done = &genphy_aneg_done,
2396 .read_status = &vsc85xx_read_status,
2397 .handle_interrupt = vsc85xx_handle_interrupt,
2398 .config_intr = &vsc85xx_config_intr,
2399 .suspend = &genphy_suspend,
2400 .resume = &genphy_resume,
2401 .probe = &vsc8574_probe,
2402 .set_wol = &vsc85xx_wol_set,
2403 .get_wol = &vsc85xx_wol_get,
2404 .get_tunable = &vsc85xx_get_tunable,
2405 .set_tunable = &vsc85xx_set_tunable,
2406 .read_page = &vsc85xx_phy_read_page,
2407 .write_page = &vsc85xx_phy_write_page,
2408 .get_sset_count = &vsc85xx_get_sset_count,
2409 .get_strings = &vsc85xx_get_strings,
2410 .get_stats = &vsc85xx_get_stats,
2411},
2412{
2413 .phy_id = PHY_ID_VSC8514,
2414 .name = "Microsemi GE VSC8514 SyncE",
2415 .phy_id_mask = 0xfffffff0,
2416 .soft_reset = &genphy_soft_reset,
2417 .config_init = &vsc8514_config_init,
2418 .config_aneg = &vsc85xx_config_aneg,
2419 .read_status = &vsc85xx_read_status,
2420 .handle_interrupt = vsc85xx_handle_interrupt,
2421 .config_intr = &vsc85xx_config_intr,
2422 .suspend = &genphy_suspend,
2423 .resume = &genphy_resume,
2424 .probe = &vsc8514_probe,
2425 .set_wol = &vsc85xx_wol_set,
2426 .get_wol = &vsc85xx_wol_get,
2427 .get_tunable = &vsc85xx_get_tunable,
2428 .set_tunable = &vsc85xx_set_tunable,
2429 .read_page = &vsc85xx_phy_read_page,
2430 .write_page = &vsc85xx_phy_write_page,
2431 .get_sset_count = &vsc85xx_get_sset_count,
2432 .get_strings = &vsc85xx_get_strings,
2433 .get_stats = &vsc85xx_get_stats,
2434},
2435{
2436 .phy_id = PHY_ID_VSC8530,
2437 .name = "Microsemi FE VSC8530",
2438 .phy_id_mask = 0xfffffff0,
2439 /* PHY_BASIC_FEATURES */
2440 .soft_reset = &genphy_soft_reset,
2441 .config_init = &vsc85xx_config_init,
2442 .config_aneg = &vsc85xx_config_aneg,
2443 .read_status = &vsc85xx_read_status,
2444 .handle_interrupt = vsc85xx_handle_interrupt,
2445 .config_intr = &vsc85xx_config_intr,
2446 .suspend = &genphy_suspend,
2447 .resume = &genphy_resume,
2448 .probe = &vsc85xx_probe,
2449 .set_wol = &vsc85xx_wol_set,
2450 .get_wol = &vsc85xx_wol_get,
2451 .get_tunable = &vsc85xx_get_tunable,
2452 .set_tunable = &vsc85xx_set_tunable,
2453 .read_page = &vsc85xx_phy_read_page,
2454 .write_page = &vsc85xx_phy_write_page,
2455 .get_sset_count = &vsc85xx_get_sset_count,
2456 .get_strings = &vsc85xx_get_strings,
2457 .get_stats = &vsc85xx_get_stats,
2458},
2459{
2460 .phy_id = PHY_ID_VSC8531,
2461 .name = "Microsemi VSC8531",
2462 .phy_id_mask = 0xfffffff0,
2463 /* PHY_GBIT_FEATURES */
2464 .soft_reset = &genphy_soft_reset,
2465 .config_init = &vsc85xx_config_init,
2466 .config_aneg = &vsc85xx_config_aneg,
2467 .read_status = &vsc85xx_read_status,
2468 .handle_interrupt = vsc85xx_handle_interrupt,
2469 .config_intr = &vsc85xx_config_intr,
2470 .suspend = &genphy_suspend,
2471 .resume = &genphy_resume,
2472 .probe = &vsc85xx_probe,
2473 .set_wol = &vsc85xx_wol_set,
2474 .get_wol = &vsc85xx_wol_get,
2475 .get_tunable = &vsc85xx_get_tunable,
2476 .set_tunable = &vsc85xx_set_tunable,
2477 .read_page = &vsc85xx_phy_read_page,
2478 .write_page = &vsc85xx_phy_write_page,
2479 .get_sset_count = &vsc85xx_get_sset_count,
2480 .get_strings = &vsc85xx_get_strings,
2481 .get_stats = &vsc85xx_get_stats,
2482},
2483{
2484 .phy_id = PHY_ID_VSC8540,
2485 .name = "Microsemi FE VSC8540 SyncE",
2486 .phy_id_mask = 0xfffffff0,
2487 /* PHY_BASIC_FEATURES */
2488 .soft_reset = &genphy_soft_reset,
2489 .config_init = &vsc85xx_config_init,
2490 .config_aneg = &vsc85xx_config_aneg,
2491 .read_status = &vsc85xx_read_status,
2492 .handle_interrupt = vsc85xx_handle_interrupt,
2493 .config_intr = &vsc85xx_config_intr,
2494 .suspend = &genphy_suspend,
2495 .resume = &genphy_resume,
2496 .probe = &vsc85xx_probe,
2497 .set_wol = &vsc85xx_wol_set,
2498 .get_wol = &vsc85xx_wol_get,
2499 .get_tunable = &vsc85xx_get_tunable,
2500 .set_tunable = &vsc85xx_set_tunable,
2501 .read_page = &vsc85xx_phy_read_page,
2502 .write_page = &vsc85xx_phy_write_page,
2503 .get_sset_count = &vsc85xx_get_sset_count,
2504 .get_strings = &vsc85xx_get_strings,
2505 .get_stats = &vsc85xx_get_stats,
2506},
2507{
2508 .phy_id = PHY_ID_VSC8541,
2509 .name = "Microsemi VSC8541 SyncE",
2510 .phy_id_mask = 0xfffffff0,
2511 /* PHY_GBIT_FEATURES */
2512 .soft_reset = &genphy_soft_reset,
2513 .config_init = &vsc85xx_config_init,
2514 .config_aneg = &vsc85xx_config_aneg,
2515 .read_status = &vsc85xx_read_status,
2516 .handle_interrupt = vsc85xx_handle_interrupt,
2517 .config_intr = &vsc85xx_config_intr,
2518 .suspend = &genphy_suspend,
2519 .resume = &genphy_resume,
2520 .probe = &vsc85xx_probe,
2521 .set_wol = &vsc85xx_wol_set,
2522 .get_wol = &vsc85xx_wol_get,
2523 .get_tunable = &vsc85xx_get_tunable,
2524 .set_tunable = &vsc85xx_set_tunable,
2525 .read_page = &vsc85xx_phy_read_page,
2526 .write_page = &vsc85xx_phy_write_page,
2527 .get_sset_count = &vsc85xx_get_sset_count,
2528 .get_strings = &vsc85xx_get_strings,
2529 .get_stats = &vsc85xx_get_stats,
2530},
2531{
2532 .phy_id = PHY_ID_VSC8552,
2533 .name = "Microsemi GE VSC8552 SyncE",
2534 .phy_id_mask = 0xfffffff0,
2535 /* PHY_GBIT_FEATURES */
2536 .soft_reset = &genphy_soft_reset,
2537 .config_init = &vsc8584_config_init,
2538 .config_aneg = &vsc85xx_config_aneg,
2539 .read_status = &vsc85xx_read_status,
2540 .handle_interrupt = vsc85xx_handle_interrupt,
2541 .config_intr = &vsc85xx_config_intr,
2542 .suspend = &genphy_suspend,
2543 .resume = &genphy_resume,
2544 .probe = &vsc8574_probe,
2545 .set_wol = &vsc85xx_wol_set,
2546 .get_wol = &vsc85xx_wol_get,
2547 .get_tunable = &vsc85xx_get_tunable,
2548 .set_tunable = &vsc85xx_set_tunable,
2549 .read_page = &vsc85xx_phy_read_page,
2550 .write_page = &vsc85xx_phy_write_page,
2551 .get_sset_count = &vsc85xx_get_sset_count,
2552 .get_strings = &vsc85xx_get_strings,
2553 .get_stats = &vsc85xx_get_stats,
2554},
2555{
2556 .phy_id = PHY_ID_VSC856X,
2557 .name = "Microsemi GE VSC856X SyncE",
2558 .phy_id_mask = 0xfffffff0,
2559 /* PHY_GBIT_FEATURES */
2560 .soft_reset = &genphy_soft_reset,
2561 .config_init = &vsc8584_config_init,
2562 .config_aneg = &vsc85xx_config_aneg,
2563 .read_status = &vsc85xx_read_status,
2564 .handle_interrupt = vsc85xx_handle_interrupt,
2565 .config_intr = &vsc85xx_config_intr,
2566 .suspend = &genphy_suspend,
2567 .resume = &genphy_resume,
2568 .probe = &vsc8584_probe,
2569 .get_tunable = &vsc85xx_get_tunable,
2570 .set_tunable = &vsc85xx_set_tunable,
2571 .read_page = &vsc85xx_phy_read_page,
2572 .write_page = &vsc85xx_phy_write_page,
2573 .get_sset_count = &vsc85xx_get_sset_count,
2574 .get_strings = &vsc85xx_get_strings,
2575 .get_stats = &vsc85xx_get_stats,
2576},
2577{
2578 .phy_id = PHY_ID_VSC8572,
2579 .name = "Microsemi GE VSC8572 SyncE",
2580 .phy_id_mask = 0xfffffff0,
2581 /* PHY_GBIT_FEATURES */
2582 .soft_reset = &genphy_soft_reset,
2583 .config_init = &vsc8584_config_init,
2584 .config_aneg = &vsc85xx_config_aneg,
2585 .aneg_done = &genphy_aneg_done,
2586 .read_status = &vsc85xx_read_status,
2587 .handle_interrupt = &vsc8584_handle_interrupt,
2588 .config_intr = &vsc85xx_config_intr,
2589 .suspend = &genphy_suspend,
2590 .resume = &genphy_resume,
2591 .probe = &vsc8574_probe,
2592 .set_wol = &vsc85xx_wol_set,
2593 .get_wol = &vsc85xx_wol_get,
2594 .get_tunable = &vsc85xx_get_tunable,
2595 .set_tunable = &vsc85xx_set_tunable,
2596 .read_page = &vsc85xx_phy_read_page,
2597 .write_page = &vsc85xx_phy_write_page,
2598 .get_sset_count = &vsc85xx_get_sset_count,
2599 .get_strings = &vsc85xx_get_strings,
2600 .get_stats = &vsc85xx_get_stats,
2601},
2602{
2603 .phy_id = PHY_ID_VSC8574,
2604 .name = "Microsemi GE VSC8574 SyncE",
2605 .phy_id_mask = 0xfffffff0,
2606 /* PHY_GBIT_FEATURES */
2607 .soft_reset = &genphy_soft_reset,
2608 .config_init = &vsc8584_config_init,
2609 .config_aneg = &vsc85xx_config_aneg,
2610 .aneg_done = &genphy_aneg_done,
2611 .read_status = &vsc85xx_read_status,
2612 .handle_interrupt = vsc85xx_handle_interrupt,
2613 .config_intr = &vsc85xx_config_intr,
2614 .suspend = &genphy_suspend,
2615 .resume = &genphy_resume,
2616 .probe = &vsc8574_probe,
2617 .set_wol = &vsc85xx_wol_set,
2618 .get_wol = &vsc85xx_wol_get,
2619 .get_tunable = &vsc85xx_get_tunable,
2620 .set_tunable = &vsc85xx_set_tunable,
2621 .read_page = &vsc85xx_phy_read_page,
2622 .write_page = &vsc85xx_phy_write_page,
2623 .get_sset_count = &vsc85xx_get_sset_count,
2624 .get_strings = &vsc85xx_get_strings,
2625 .get_stats = &vsc85xx_get_stats,
2626},
2627{
2628 .phy_id = PHY_ID_VSC8575,
2629 .name = "Microsemi GE VSC8575 SyncE",
2630 .phy_id_mask = 0xfffffff0,
2631 /* PHY_GBIT_FEATURES */
2632 .soft_reset = &genphy_soft_reset,
2633 .config_init = &vsc8584_config_init,
2634 .config_aneg = &vsc85xx_config_aneg,
2635 .aneg_done = &genphy_aneg_done,
2636 .read_status = &vsc85xx_read_status,
2637 .handle_interrupt = &vsc8584_handle_interrupt,
2638 .config_intr = &vsc85xx_config_intr,
2639 .suspend = &genphy_suspend,
2640 .resume = &genphy_resume,
2641 .probe = &vsc8584_probe,
2642 .get_tunable = &vsc85xx_get_tunable,
2643 .set_tunable = &vsc85xx_set_tunable,
2644 .read_page = &vsc85xx_phy_read_page,
2645 .write_page = &vsc85xx_phy_write_page,
2646 .get_sset_count = &vsc85xx_get_sset_count,
2647 .get_strings = &vsc85xx_get_strings,
2648 .get_stats = &vsc85xx_get_stats,
2649},
2650{
2651 .phy_id = PHY_ID_VSC8582,
2652 .name = "Microsemi GE VSC8582 SyncE",
2653 .phy_id_mask = 0xfffffff0,
2654 /* PHY_GBIT_FEATURES */
2655 .soft_reset = &genphy_soft_reset,
2656 .config_init = &vsc8584_config_init,
2657 .config_aneg = &vsc85xx_config_aneg,
2658 .aneg_done = &genphy_aneg_done,
2659 .read_status = &vsc85xx_read_status,
2660 .handle_interrupt = &vsc8584_handle_interrupt,
2661 .config_intr = &vsc85xx_config_intr,
2662 .suspend = &genphy_suspend,
2663 .resume = &genphy_resume,
2664 .probe = &vsc8584_probe,
2665 .get_tunable = &vsc85xx_get_tunable,
2666 .set_tunable = &vsc85xx_set_tunable,
2667 .read_page = &vsc85xx_phy_read_page,
2668 .write_page = &vsc85xx_phy_write_page,
2669 .get_sset_count = &vsc85xx_get_sset_count,
2670 .get_strings = &vsc85xx_get_strings,
2671 .get_stats = &vsc85xx_get_stats,
2672},
2673{
2674 .phy_id = PHY_ID_VSC8584,
2675 .name = "Microsemi GE VSC8584 SyncE",
2676 .phy_id_mask = 0xfffffff0,
2677 /* PHY_GBIT_FEATURES */
2678 .soft_reset = &genphy_soft_reset,
2679 .config_init = &vsc8584_config_init,
2680 .config_aneg = &vsc85xx_config_aneg,
2681 .aneg_done = &genphy_aneg_done,
2682 .read_status = &vsc85xx_read_status,
2683 .handle_interrupt = &vsc8584_handle_interrupt,
2684 .config_intr = &vsc85xx_config_intr,
2685 .suspend = &genphy_suspend,
2686 .resume = &genphy_resume,
2687 .probe = &vsc8584_probe,
2688 .get_tunable = &vsc85xx_get_tunable,
2689 .set_tunable = &vsc85xx_set_tunable,
2690 .read_page = &vsc85xx_phy_read_page,
2691 .write_page = &vsc85xx_phy_write_page,
2692 .get_sset_count = &vsc85xx_get_sset_count,
2693 .get_strings = &vsc85xx_get_strings,
2694 .get_stats = &vsc85xx_get_stats,
2695 .link_change_notify = &vsc85xx_link_change_notify,
2696}
2697
2698};
2699
2700module_phy_driver(vsc85xx_driver);
2701
2702static struct mdio_device_id __maybe_unused vsc85xx_tbl[] = {
2703 { PHY_ID_MATCH_VENDOR(PHY_VENDOR_MSCC) },
2704 { }
2705};
2706
2707MODULE_DEVICE_TABLE(mdio, vsc85xx_tbl);
2708
2709MODULE_DESCRIPTION("Microsemi VSC85xx PHY driver");
2710MODULE_AUTHOR("Nagaraju Lakkaraju");
2711MODULE_LICENSE("Dual MIT/GPL");
2712
2713MODULE_FIRMWARE(MSCC_VSC8584_REVB_INT8051_FW);
2714MODULE_FIRMWARE(MSCC_VSC8574_REVB_INT8051_FW);