1 // SPDX-License-Identifier: BSD-3-Clause
2 /* Copyright (c) 2016-2018, NXP Semiconductors
3  * Copyright (c) 2018, Sensor-Technik Wiedemann GmbH
4  * Copyright (c) 2018-2019, Vladimir Oltean <olteanv@gmail.com>
5  */
6 #include <linux/spi/spi.h>
7 #include <linux/packing.h>
8 #include "sja1105.h"
9 
10 #define SJA1105_SIZE_PORT_CTRL		4
11 #define SJA1105_SIZE_RESET_CMD		4
12 #define SJA1105_SIZE_SPI_MSG_HEADER	4
13 #define SJA1105_SIZE_SPI_MSG_MAXLEN	(64 * 4)
14 #define SJA1105_SIZE_SPI_TRANSFER_MAX	\
15 	(SJA1105_SIZE_SPI_MSG_HEADER + SJA1105_SIZE_SPI_MSG_MAXLEN)
16 
17 static int sja1105_spi_transfer(const struct sja1105_private *priv,
18 				const void *tx, void *rx, int size)
19 {
20 	struct spi_device *spi = priv->spidev;
21 	struct spi_transfer transfer = {
22 		.tx_buf = tx,
23 		.rx_buf = rx,
24 		.len = size,
25 	};
26 	struct spi_message msg;
27 	int rc;
28 
29 	if (size > SJA1105_SIZE_SPI_TRANSFER_MAX) {
30 		dev_err(&spi->dev, "SPI message (%d) longer than max of %d\n",
31 			size, SJA1105_SIZE_SPI_TRANSFER_MAX);
32 		return -EMSGSIZE;
33 	}
34 
35 	spi_message_init(&msg);
36 	spi_message_add_tail(&transfer, &msg);
37 
38 	rc = spi_sync(spi, &msg);
39 	if (rc < 0) {
40 		dev_err(&spi->dev, "SPI transfer failed: %d\n", rc);
41 		return rc;
42 	}
43 
44 	return rc;
45 }
46 
47 static void
48 sja1105_spi_message_pack(void *buf, const struct sja1105_spi_message *msg)
49 {
50 	const int size = SJA1105_SIZE_SPI_MSG_HEADER;
51 
52 	memset(buf, 0, size);
53 
54 	sja1105_pack(buf, &msg->access,     31, 31, size);
55 	sja1105_pack(buf, &msg->read_count, 30, 25, size);
56 	sja1105_pack(buf, &msg->address,    24,  4, size);
57 }
58 
59 /* If @rw is:
60  * - SPI_WRITE: creates and sends an SPI write message at absolute
61  *		address reg_addr, taking size_bytes from *packed_buf
62  * - SPI_READ:  creates and sends an SPI read message from absolute
63  *		address reg_addr, writing size_bytes into *packed_buf
64  *
65  * This function should only be called if it is priorly known that
66  * @size_bytes is smaller than SIZE_SPI_MSG_MAXLEN. Larger packed buffers
67  * are chunked in smaller pieces by sja1105_spi_send_long_packed_buf below.
68  */
69 int sja1105_spi_send_packed_buf(const struct sja1105_private *priv,
70 				sja1105_spi_rw_mode_t rw, u64 reg_addr,
71 				void *packed_buf, size_t size_bytes)
72 {
73 	u8 tx_buf[SJA1105_SIZE_SPI_TRANSFER_MAX] = {0};
74 	u8 rx_buf[SJA1105_SIZE_SPI_TRANSFER_MAX] = {0};
75 	const int msg_len = size_bytes + SJA1105_SIZE_SPI_MSG_HEADER;
76 	struct sja1105_spi_message msg = {0};
77 	int rc;
78 
79 	if (msg_len > SJA1105_SIZE_SPI_TRANSFER_MAX)
80 		return -ERANGE;
81 
82 	msg.access = rw;
83 	msg.address = reg_addr;
84 	if (rw == SPI_READ)
85 		msg.read_count = size_bytes / 4;
86 
87 	sja1105_spi_message_pack(tx_buf, &msg);
88 
89 	if (rw == SPI_WRITE)
90 		memcpy(tx_buf + SJA1105_SIZE_SPI_MSG_HEADER,
91 		       packed_buf, size_bytes);
92 
93 	rc = sja1105_spi_transfer(priv, tx_buf, rx_buf, msg_len);
94 	if (rc < 0)
95 		return rc;
96 
97 	if (rw == SPI_READ)
98 		memcpy(packed_buf, rx_buf + SJA1105_SIZE_SPI_MSG_HEADER,
99 		       size_bytes);
100 
101 	return 0;
102 }
103 
104 /* If @rw is:
105  * - SPI_WRITE: creates and sends an SPI write message at absolute
106  *		address reg_addr, taking size_bytes from *packed_buf
107  * - SPI_READ:  creates and sends an SPI read message from absolute
108  *		address reg_addr, writing size_bytes into *packed_buf
109  *
110  * The u64 *value is unpacked, meaning that it's stored in the native
111  * CPU endianness and directly usable by software running on the core.
112  *
113  * This is a wrapper around sja1105_spi_send_packed_buf().
114  */
115 int sja1105_spi_send_int(const struct sja1105_private *priv,
116 			 sja1105_spi_rw_mode_t rw, u64 reg_addr,
117 			 u64 *value, u64 size_bytes)
118 {
119 	u8 packed_buf[SJA1105_SIZE_SPI_MSG_MAXLEN];
120 	int rc;
121 
122 	if (size_bytes > SJA1105_SIZE_SPI_MSG_MAXLEN)
123 		return -ERANGE;
124 
125 	if (rw == SPI_WRITE)
126 		sja1105_pack(packed_buf, value, 8 * size_bytes - 1, 0,
127 			     size_bytes);
128 
129 	rc = sja1105_spi_send_packed_buf(priv, rw, reg_addr, packed_buf,
130 					 size_bytes);
131 
132 	if (rw == SPI_READ)
133 		sja1105_unpack(packed_buf, value, 8 * size_bytes - 1, 0,
134 			       size_bytes);
135 
136 	return rc;
137 }
138 
139 /* Should be used if a @packed_buf larger than SJA1105_SIZE_SPI_MSG_MAXLEN
140  * must be sent/received. Splitting the buffer into chunks and assembling
141  * those into SPI messages is done automatically by this function.
142  */
143 int sja1105_spi_send_long_packed_buf(const struct sja1105_private *priv,
144 				     sja1105_spi_rw_mode_t rw, u64 base_addr,
145 				     void *packed_buf, u64 buf_len)
146 {
147 	struct chunk {
148 		void *buf_ptr;
149 		int len;
150 		u64 spi_address;
151 	} chunk;
152 	int distance_to_end;
153 	int rc;
154 
155 	/* Initialize chunk */
156 	chunk.buf_ptr = packed_buf;
157 	chunk.spi_address = base_addr;
158 	chunk.len = min_t(int, buf_len, SJA1105_SIZE_SPI_MSG_MAXLEN);
159 
160 	while (chunk.len) {
161 		rc = sja1105_spi_send_packed_buf(priv, rw, chunk.spi_address,
162 						 chunk.buf_ptr, chunk.len);
163 		if (rc < 0)
164 			return rc;
165 
166 		chunk.buf_ptr += chunk.len;
167 		chunk.spi_address += chunk.len / 4;
168 		distance_to_end = (uintptr_t)(packed_buf + buf_len -
169 					      chunk.buf_ptr);
170 		chunk.len = min(distance_to_end, SJA1105_SIZE_SPI_MSG_MAXLEN);
171 	}
172 
173 	return 0;
174 }
175 
176 /* Back-ported structure from UM11040 Table 112.
177  * Reset control register (addr. 100440h)
178  * In the SJA1105 E/T, only warm_rst and cold_rst are
179  * supported (exposed in UM10944 as rst_ctrl), but the bit
180  * offsets of warm_rst and cold_rst are actually reversed.
181  */
182 struct sja1105_reset_cmd {
183 	u64 switch_rst;
184 	u64 cfg_rst;
185 	u64 car_rst;
186 	u64 otp_rst;
187 	u64 warm_rst;
188 	u64 cold_rst;
189 	u64 por_rst;
190 };
191 
192 static void
193 sja1105et_reset_cmd_pack(void *buf, const struct sja1105_reset_cmd *reset)
194 {
195 	const int size = SJA1105_SIZE_RESET_CMD;
196 
197 	memset(buf, 0, size);
198 
199 	sja1105_pack(buf, &reset->cold_rst, 3, 3, size);
200 	sja1105_pack(buf, &reset->warm_rst, 2, 2, size);
201 }
202 
203 static void
204 sja1105pqrs_reset_cmd_pack(void *buf, const struct sja1105_reset_cmd *reset)
205 {
206 	const int size = SJA1105_SIZE_RESET_CMD;
207 
208 	memset(buf, 0, size);
209 
210 	sja1105_pack(buf, &reset->switch_rst, 8, 8, size);
211 	sja1105_pack(buf, &reset->cfg_rst,    7, 7, size);
212 	sja1105_pack(buf, &reset->car_rst,    5, 5, size);
213 	sja1105_pack(buf, &reset->otp_rst,    4, 4, size);
214 	sja1105_pack(buf, &reset->warm_rst,   3, 3, size);
215 	sja1105_pack(buf, &reset->cold_rst,   2, 2, size);
216 	sja1105_pack(buf, &reset->por_rst,    1, 1, size);
217 }
218 
219 static int sja1105et_reset_cmd(const void *ctx, const void *data)
220 {
221 	const struct sja1105_private *priv = ctx;
222 	const struct sja1105_reset_cmd *reset = data;
223 	const struct sja1105_regs *regs = priv->info->regs;
224 	struct device *dev = priv->ds->dev;
225 	u8 packed_buf[SJA1105_SIZE_RESET_CMD];
226 
227 	if (reset->switch_rst ||
228 	    reset->cfg_rst ||
229 	    reset->car_rst ||
230 	    reset->otp_rst ||
231 	    reset->por_rst) {
232 		dev_err(dev, "Only warm and cold reset is supported "
233 			"for SJA1105 E/T!\n");
234 		return -EINVAL;
235 	}
236 
237 	if (reset->warm_rst)
238 		dev_dbg(dev, "Warm reset requested\n");
239 	if (reset->cold_rst)
240 		dev_dbg(dev, "Cold reset requested\n");
241 
242 	sja1105et_reset_cmd_pack(packed_buf, reset);
243 
244 	return sja1105_spi_send_packed_buf(priv, SPI_WRITE, regs->rgu,
245 					   packed_buf, SJA1105_SIZE_RESET_CMD);
246 }
247 
248 static int sja1105pqrs_reset_cmd(const void *ctx, const void *data)
249 {
250 	const struct sja1105_private *priv = ctx;
251 	const struct sja1105_reset_cmd *reset = data;
252 	const struct sja1105_regs *regs = priv->info->regs;
253 	struct device *dev = priv->ds->dev;
254 	u8 packed_buf[SJA1105_SIZE_RESET_CMD];
255 
256 	if (reset->switch_rst)
257 		dev_dbg(dev, "Main reset for all functional modules requested\n");
258 	if (reset->cfg_rst)
259 		dev_dbg(dev, "Chip configuration reset requested\n");
260 	if (reset->car_rst)
261 		dev_dbg(dev, "Clock and reset control logic reset requested\n");
262 	if (reset->otp_rst)
263 		dev_dbg(dev, "OTP read cycle for reading product "
264 			"config settings requested\n");
265 	if (reset->warm_rst)
266 		dev_dbg(dev, "Warm reset requested\n");
267 	if (reset->cold_rst)
268 		dev_dbg(dev, "Cold reset requested\n");
269 	if (reset->por_rst)
270 		dev_dbg(dev, "Power-on reset requested\n");
271 
272 	sja1105pqrs_reset_cmd_pack(packed_buf, reset);
273 
274 	return sja1105_spi_send_packed_buf(priv, SPI_WRITE, regs->rgu,
275 					   packed_buf, SJA1105_SIZE_RESET_CMD);
276 }
277 
278 static int sja1105_cold_reset(const struct sja1105_private *priv)
279 {
280 	struct sja1105_reset_cmd reset = {0};
281 
282 	reset.cold_rst = 1;
283 	return priv->info->reset_cmd(priv, &reset);
284 }
285 
286 int sja1105_inhibit_tx(const struct sja1105_private *priv,
287 		       unsigned long port_bitmap, bool tx_inhibited)
288 {
289 	const struct sja1105_regs *regs = priv->info->regs;
290 	u64 inhibit_cmd;
291 	int rc;
292 
293 	rc = sja1105_spi_send_int(priv, SPI_READ, regs->port_control,
294 				  &inhibit_cmd, SJA1105_SIZE_PORT_CTRL);
295 	if (rc < 0)
296 		return rc;
297 
298 	if (tx_inhibited)
299 		inhibit_cmd |= port_bitmap;
300 	else
301 		inhibit_cmd &= ~port_bitmap;
302 
303 	return sja1105_spi_send_int(priv, SPI_WRITE, regs->port_control,
304 				    &inhibit_cmd, SJA1105_SIZE_PORT_CTRL);
305 }
306 
307 struct sja1105_status {
308 	u64 configs;
309 	u64 crcchkl;
310 	u64 ids;
311 	u64 crcchkg;
312 };
313 
314 /* This is not reading the entire General Status area, which is also
315  * divergent between E/T and P/Q/R/S, but only the relevant bits for
316  * ensuring that the static config upload procedure was successful.
317  */
318 static void sja1105_status_unpack(void *buf, struct sja1105_status *status)
319 {
320 	/* So that addition translates to 4 bytes */
321 	u32 *p = buf;
322 
323 	/* device_id is missing from the buffer, but we don't
324 	 * want to diverge from the manual definition of the
325 	 * register addresses, so we'll back off one step with
326 	 * the register pointer, and never access p[0].
327 	 */
328 	p--;
329 	sja1105_unpack(p + 0x1, &status->configs,   31, 31, 4);
330 	sja1105_unpack(p + 0x1, &status->crcchkl,   30, 30, 4);
331 	sja1105_unpack(p + 0x1, &status->ids,       29, 29, 4);
332 	sja1105_unpack(p + 0x1, &status->crcchkg,   28, 28, 4);
333 }
334 
335 static int sja1105_status_get(struct sja1105_private *priv,
336 			      struct sja1105_status *status)
337 {
338 	const struct sja1105_regs *regs = priv->info->regs;
339 	u8 packed_buf[4];
340 	int rc;
341 
342 	rc = sja1105_spi_send_packed_buf(priv, SPI_READ,
343 					 regs->status,
344 					 packed_buf, 4);
345 	if (rc < 0)
346 		return rc;
347 
348 	sja1105_status_unpack(packed_buf, status);
349 
350 	return 0;
351 }
352 
353 /* Not const because unpacking priv->static_config into buffers and preparing
354  * for upload requires the recalculation of table CRCs and updating the
355  * structures with these.
356  */
357 static int
358 static_config_buf_prepare_for_upload(struct sja1105_private *priv,
359 				     void *config_buf, int buf_len)
360 {
361 	struct sja1105_static_config *config = &priv->static_config;
362 	struct sja1105_table_header final_header;
363 	sja1105_config_valid_t valid;
364 	char *final_header_ptr;
365 	int crc_len;
366 
367 	valid = sja1105_static_config_check_valid(config);
368 	if (valid != SJA1105_CONFIG_OK) {
369 		dev_err(&priv->spidev->dev,
370 			sja1105_static_config_error_msg[valid]);
371 		return -EINVAL;
372 	}
373 
374 	/* Write Device ID and config tables to config_buf */
375 	sja1105_static_config_pack(config_buf, config);
376 	/* Recalculate CRC of the last header (right now 0xDEADBEEF).
377 	 * Don't include the CRC field itself.
378 	 */
379 	crc_len = buf_len - 4;
380 	/* Read the whole table header */
381 	final_header_ptr = config_buf + buf_len - SJA1105_SIZE_TABLE_HEADER;
382 	sja1105_table_header_packing(final_header_ptr, &final_header, UNPACK);
383 	/* Modify */
384 	final_header.crc = sja1105_crc32(config_buf, crc_len);
385 	/* Rewrite */
386 	sja1105_table_header_packing(final_header_ptr, &final_header, PACK);
387 
388 	return 0;
389 }
390 
391 #define RETRIES 10
392 
393 int sja1105_static_config_upload(struct sja1105_private *priv)
394 {
395 	unsigned long port_bitmap = GENMASK_ULL(SJA1105_NUM_PORTS - 1, 0);
396 	struct sja1105_static_config *config = &priv->static_config;
397 	const struct sja1105_regs *regs = priv->info->regs;
398 	struct device *dev = &priv->spidev->dev;
399 	struct sja1105_status status;
400 	int rc, retries = RETRIES;
401 	u8 *config_buf;
402 	int buf_len;
403 
404 	buf_len = sja1105_static_config_get_length(config);
405 	config_buf = kcalloc(buf_len, sizeof(char), GFP_KERNEL);
406 	if (!config_buf)
407 		return -ENOMEM;
408 
409 	rc = static_config_buf_prepare_for_upload(priv, config_buf, buf_len);
410 	if (rc < 0) {
411 		dev_err(dev, "Invalid config, cannot upload\n");
412 		return -EINVAL;
413 	}
414 	/* Prevent PHY jabbering during switch reset by inhibiting
415 	 * Tx on all ports and waiting for current packet to drain.
416 	 * Otherwise, the PHY will see an unterminated Ethernet packet.
417 	 */
418 	rc = sja1105_inhibit_tx(priv, port_bitmap, true);
419 	if (rc < 0) {
420 		dev_err(dev, "Failed to inhibit Tx on ports\n");
421 		return -ENXIO;
422 	}
423 	/* Wait for an eventual egress packet to finish transmission
424 	 * (reach IFG). It is guaranteed that a second one will not
425 	 * follow, and that switch cold reset is thus safe
426 	 */
427 	usleep_range(500, 1000);
428 	do {
429 		/* Put the SJA1105 in programming mode */
430 		rc = sja1105_cold_reset(priv);
431 		if (rc < 0) {
432 			dev_err(dev, "Failed to reset switch, retrying...\n");
433 			continue;
434 		}
435 		/* Wait for the switch to come out of reset */
436 		usleep_range(1000, 5000);
437 		/* Upload the static config to the device */
438 		rc = sja1105_spi_send_long_packed_buf(priv, SPI_WRITE,
439 						      regs->config,
440 						      config_buf, buf_len);
441 		if (rc < 0) {
442 			dev_err(dev, "Failed to upload config, retrying...\n");
443 			continue;
444 		}
445 		/* Check that SJA1105 responded well to the config upload */
446 		rc = sja1105_status_get(priv, &status);
447 		if (rc < 0)
448 			continue;
449 
450 		if (status.ids == 1) {
451 			dev_err(dev, "Mismatch between hardware and static config "
452 				"device id. Wrote 0x%llx, wants 0x%llx\n",
453 				config->device_id, priv->info->device_id);
454 			continue;
455 		}
456 		if (status.crcchkl == 1) {
457 			dev_err(dev, "Switch reported invalid local CRC on "
458 				"the uploaded config, retrying...\n");
459 			continue;
460 		}
461 		if (status.crcchkg == 1) {
462 			dev_err(dev, "Switch reported invalid global CRC on "
463 				"the uploaded config, retrying...\n");
464 			continue;
465 		}
466 		if (status.configs == 0) {
467 			dev_err(dev, "Switch reported that configuration is "
468 				"invalid, retrying...\n");
469 			continue;
470 		}
471 		/* Success! */
472 		break;
473 	} while (--retries);
474 
475 	if (!retries) {
476 		rc = -EIO;
477 		dev_err(dev, "Failed to upload config to device, giving up\n");
478 		goto out;
479 	} else if (retries != RETRIES) {
480 		dev_info(dev, "Succeeded after %d tried\n", RETRIES - retries);
481 	}
482 
483 	rc = sja1105_ptp_reset(priv);
484 	if (rc < 0)
485 		dev_err(dev, "Failed to reset PTP clock: %d\n", rc);
486 
487 	dev_info(dev, "Reset switch and programmed static config\n");
488 
489 out:
490 	kfree(config_buf);
491 	return rc;
492 }
493 
494 static struct sja1105_regs sja1105et_regs = {
495 	.device_id = 0x0,
496 	.prod_id = 0x100BC3,
497 	.status = 0x1,
498 	.port_control = 0x11,
499 	.config = 0x020000,
500 	.rgu = 0x100440,
501 	/* UM10944.pdf, Table 86, ACU Register overview */
502 	.pad_mii_tx = {0x100800, 0x100802, 0x100804, 0x100806, 0x100808},
503 	.rmii_pll1 = 0x10000A,
504 	.cgu_idiv = {0x10000B, 0x10000C, 0x10000D, 0x10000E, 0x10000F},
505 	.mac = {0x200, 0x202, 0x204, 0x206, 0x208},
506 	.mac_hl1 = {0x400, 0x410, 0x420, 0x430, 0x440},
507 	.mac_hl2 = {0x600, 0x610, 0x620, 0x630, 0x640},
508 	/* UM10944.pdf, Table 78, CGU Register overview */
509 	.mii_tx_clk = {0x100013, 0x10001A, 0x100021, 0x100028, 0x10002F},
510 	.mii_rx_clk = {0x100014, 0x10001B, 0x100022, 0x100029, 0x100030},
511 	.mii_ext_tx_clk = {0x100018, 0x10001F, 0x100026, 0x10002D, 0x100034},
512 	.mii_ext_rx_clk = {0x100019, 0x100020, 0x100027, 0x10002E, 0x100035},
513 	.rgmii_tx_clk = {0x100016, 0x10001D, 0x100024, 0x10002B, 0x100032},
514 	.rmii_ref_clk = {0x100015, 0x10001C, 0x100023, 0x10002A, 0x100031},
515 	.rmii_ext_tx_clk = {0x100018, 0x10001F, 0x100026, 0x10002D, 0x100034},
516 	.ptpegr_ts = {0xC0, 0xC2, 0xC4, 0xC6, 0xC8},
517 	.ptp_control = 0x17,
518 	.ptpclk = 0x18, /* Spans 0x18 to 0x19 */
519 	.ptpclkrate = 0x1A,
520 	.ptptsclk = 0x1B, /* Spans 0x1B to 0x1C */
521 };
522 
523 static struct sja1105_regs sja1105pqrs_regs = {
524 	.device_id = 0x0,
525 	.prod_id = 0x100BC3,
526 	.status = 0x1,
527 	.port_control = 0x12,
528 	.config = 0x020000,
529 	.rgu = 0x100440,
530 	/* UM10944.pdf, Table 86, ACU Register overview */
531 	.pad_mii_tx = {0x100800, 0x100802, 0x100804, 0x100806, 0x100808},
532 	.pad_mii_id = {0x100810, 0x100811, 0x100812, 0x100813, 0x100814},
533 	.rmii_pll1 = 0x10000A,
534 	.cgu_idiv = {0x10000B, 0x10000C, 0x10000D, 0x10000E, 0x10000F},
535 	.mac = {0x200, 0x202, 0x204, 0x206, 0x208},
536 	.mac_hl1 = {0x400, 0x410, 0x420, 0x430, 0x440},
537 	.mac_hl2 = {0x600, 0x610, 0x620, 0x630, 0x640},
538 	/* UM11040.pdf, Table 114 */
539 	.mii_tx_clk = {0x100013, 0x100019, 0x10001F, 0x100025, 0x10002B},
540 	.mii_rx_clk = {0x100014, 0x10001A, 0x100020, 0x100026, 0x10002C},
541 	.mii_ext_tx_clk = {0x100017, 0x10001D, 0x100023, 0x100029, 0x10002F},
542 	.mii_ext_rx_clk = {0x100018, 0x10001E, 0x100024, 0x10002A, 0x100030},
543 	.rgmii_tx_clk = {0x100016, 0x10001C, 0x100022, 0x100028, 0x10002E},
544 	.rmii_ref_clk = {0x100015, 0x10001B, 0x100021, 0x100027, 0x10002D},
545 	.rmii_ext_tx_clk = {0x100017, 0x10001D, 0x100023, 0x100029, 0x10002F},
546 	.qlevel = {0x604, 0x614, 0x624, 0x634, 0x644},
547 	.ptpegr_ts = {0xC0, 0xC4, 0xC8, 0xCC, 0xD0},
548 	.ptp_control = 0x18,
549 	.ptpclk = 0x19,
550 	.ptpclkrate = 0x1B,
551 	.ptptsclk = 0x1C,
552 };
553 
554 struct sja1105_info sja1105e_info = {
555 	.device_id		= SJA1105E_DEVICE_ID,
556 	.part_no		= SJA1105ET_PART_NO,
557 	.static_ops		= sja1105e_table_ops,
558 	.dyn_ops		= sja1105et_dyn_ops,
559 	.ptp_ts_bits		= 24,
560 	.ptpegr_ts_bytes	= 4,
561 	.reset_cmd		= sja1105et_reset_cmd,
562 	.fdb_add_cmd		= sja1105et_fdb_add,
563 	.fdb_del_cmd		= sja1105et_fdb_del,
564 	.ptp_cmd		= sja1105et_ptp_cmd,
565 	.regs			= &sja1105et_regs,
566 	.name			= "SJA1105E",
567 };
568 struct sja1105_info sja1105t_info = {
569 	.device_id		= SJA1105T_DEVICE_ID,
570 	.part_no		= SJA1105ET_PART_NO,
571 	.static_ops		= sja1105t_table_ops,
572 	.dyn_ops		= sja1105et_dyn_ops,
573 	.ptp_ts_bits		= 24,
574 	.ptpegr_ts_bytes	= 4,
575 	.reset_cmd		= sja1105et_reset_cmd,
576 	.fdb_add_cmd		= sja1105et_fdb_add,
577 	.fdb_del_cmd		= sja1105et_fdb_del,
578 	.ptp_cmd		= sja1105et_ptp_cmd,
579 	.regs			= &sja1105et_regs,
580 	.name			= "SJA1105T",
581 };
582 struct sja1105_info sja1105p_info = {
583 	.device_id		= SJA1105PR_DEVICE_ID,
584 	.part_no		= SJA1105P_PART_NO,
585 	.static_ops		= sja1105p_table_ops,
586 	.dyn_ops		= sja1105pqrs_dyn_ops,
587 	.ptp_ts_bits		= 32,
588 	.ptpegr_ts_bytes	= 8,
589 	.setup_rgmii_delay	= sja1105pqrs_setup_rgmii_delay,
590 	.reset_cmd		= sja1105pqrs_reset_cmd,
591 	.fdb_add_cmd		= sja1105pqrs_fdb_add,
592 	.fdb_del_cmd		= sja1105pqrs_fdb_del,
593 	.ptp_cmd		= sja1105pqrs_ptp_cmd,
594 	.regs			= &sja1105pqrs_regs,
595 	.name			= "SJA1105P",
596 };
597 struct sja1105_info sja1105q_info = {
598 	.device_id		= SJA1105QS_DEVICE_ID,
599 	.part_no		= SJA1105Q_PART_NO,
600 	.static_ops		= sja1105q_table_ops,
601 	.dyn_ops		= sja1105pqrs_dyn_ops,
602 	.ptp_ts_bits		= 32,
603 	.ptpegr_ts_bytes	= 8,
604 	.setup_rgmii_delay	= sja1105pqrs_setup_rgmii_delay,
605 	.reset_cmd		= sja1105pqrs_reset_cmd,
606 	.fdb_add_cmd		= sja1105pqrs_fdb_add,
607 	.fdb_del_cmd		= sja1105pqrs_fdb_del,
608 	.ptp_cmd		= sja1105pqrs_ptp_cmd,
609 	.regs			= &sja1105pqrs_regs,
610 	.name			= "SJA1105Q",
611 };
612 struct sja1105_info sja1105r_info = {
613 	.device_id		= SJA1105PR_DEVICE_ID,
614 	.part_no		= SJA1105R_PART_NO,
615 	.static_ops		= sja1105r_table_ops,
616 	.dyn_ops		= sja1105pqrs_dyn_ops,
617 	.ptp_ts_bits		= 32,
618 	.ptpegr_ts_bytes	= 8,
619 	.setup_rgmii_delay	= sja1105pqrs_setup_rgmii_delay,
620 	.reset_cmd		= sja1105pqrs_reset_cmd,
621 	.fdb_add_cmd		= sja1105pqrs_fdb_add,
622 	.fdb_del_cmd		= sja1105pqrs_fdb_del,
623 	.ptp_cmd		= sja1105pqrs_ptp_cmd,
624 	.regs			= &sja1105pqrs_regs,
625 	.name			= "SJA1105R",
626 };
627 struct sja1105_info sja1105s_info = {
628 	.device_id		= SJA1105QS_DEVICE_ID,
629 	.part_no		= SJA1105S_PART_NO,
630 	.static_ops		= sja1105s_table_ops,
631 	.dyn_ops		= sja1105pqrs_dyn_ops,
632 	.regs			= &sja1105pqrs_regs,
633 	.ptp_ts_bits		= 32,
634 	.ptpegr_ts_bytes	= 8,
635 	.setup_rgmii_delay	= sja1105pqrs_setup_rgmii_delay,
636 	.reset_cmd		= sja1105pqrs_reset_cmd,
637 	.fdb_add_cmd		= sja1105pqrs_fdb_add,
638 	.fdb_del_cmd		= sja1105pqrs_fdb_del,
639 	.ptp_cmd		= sja1105pqrs_ptp_cmd,
640 	.name			= "SJA1105S",
641 };
642