xref: /linux/drivers/net/dsa/mt7530.h (revision 5ce42b5de461c3154f61a023b191dd6b77ee66c0)
1 /* SPDX-License-Identifier: GPL-2.0-only */
2 /*
3  * Copyright (C) 2017 Sean Wang <sean.wang@mediatek.com>
4  */
5 
6 #ifndef __MT7530_H
7 #define __MT7530_H
8 
9 #define MT7530_NUM_PORTS		7
10 #define MT7530_NUM_PHYS			5
11 #define MT7530_NUM_FDB_RECORDS		2048
12 #define MT7530_ALL_MEMBERS		0xff
13 
14 #define MTK_HDR_LEN	4
15 #define MT7530_MAX_MTU	(15 * 1024 - ETH_HLEN - ETH_FCS_LEN - MTK_HDR_LEN)
16 
17 enum mt753x_id {
18 	ID_MT7530 = 0,
19 	ID_MT7621 = 1,
20 	ID_MT7531 = 2,
21 	ID_MT7988 = 3,
22 	ID_EN7581 = 4,
23 };
24 
25 #define	NUM_TRGMII_CTRL			5
26 
27 #define TRGMII_BASE(x)			(0x10000 + (x))
28 
29 /* Registers to ethsys access */
30 #define ETHSYS_CLKCFG0			0x2c
31 #define  ETHSYS_TRGMII_CLK_SEL362_5	BIT(11)
32 
33 #define SYSC_REG_RSTCTRL		0x34
34 #define  RESET_MCM			BIT(2)
35 
36 /* Register for ARL global control */
37 #define MT753X_AGC			0xc
38 #define  LOCAL_EN			BIT(7)
39 
40 /* Register for MAC forward control */
41 #define MT753X_MFC			0x10
42 #define  BC_FFP_MASK			GENMASK(31, 24)
43 #define  BC_FFP(x)			FIELD_PREP(BC_FFP_MASK, x)
44 #define  UNM_FFP_MASK			GENMASK(23, 16)
45 #define  UNM_FFP(x)			FIELD_PREP(UNM_FFP_MASK, x)
46 #define  UNU_FFP_MASK			GENMASK(15, 8)
47 #define  UNU_FFP(x)			FIELD_PREP(UNU_FFP_MASK, x)
48 #define  MT7530_CPU_EN			BIT(7)
49 #define  MT7530_CPU_PORT_MASK		GENMASK(6, 4)
50 #define  MT7530_CPU_PORT(x)		FIELD_PREP(MT7530_CPU_PORT_MASK, x)
51 #define  MT7530_MIRROR_EN		BIT(3)
52 #define  MT7530_MIRROR_PORT_MASK	GENMASK(2, 0)
53 #define  MT7530_MIRROR_PORT_GET(x)	FIELD_GET(MT7530_MIRROR_PORT_MASK, x)
54 #define  MT7530_MIRROR_PORT_SET(x)	FIELD_PREP(MT7530_MIRROR_PORT_MASK, x)
55 #define  MT7531_QRY_FFP_MASK		GENMASK(7, 0)
56 #define  MT7531_QRY_FFP(x)		FIELD_PREP(MT7531_QRY_FFP_MASK, x)
57 
58 /* Register for CPU forward control */
59 #define MT7531_CFC			0x4
60 #define  MT7531_MIRROR_EN		BIT(19)
61 #define  MT7531_MIRROR_PORT_MASK	GENMASK(18, 16)
62 #define  MT7531_MIRROR_PORT_GET(x)	FIELD_GET(MT7531_MIRROR_PORT_MASK, x)
63 #define  MT7531_MIRROR_PORT_SET(x)	FIELD_PREP(MT7531_MIRROR_PORT_MASK, x)
64 #define  MT7531_CPU_PMAP_MASK		GENMASK(7, 0)
65 #define  MT7531_CPU_PMAP(x)		FIELD_PREP(MT7531_CPU_PMAP_MASK, x)
66 
67 #define MT753X_MIRROR_REG(id)		((id == ID_MT7531 || \
68 					  id == ID_MT7988 || \
69 					  id == ID_EN7581) ? \
70 					 MT7531_CFC : MT753X_MFC)
71 
72 #define MT753X_MIRROR_EN(id)		((id == ID_MT7531 || \
73 					  id == ID_MT7988 || \
74 					  id == ID_EN7581) ? \
75 					 MT7531_MIRROR_EN : MT7530_MIRROR_EN)
76 
77 #define MT753X_MIRROR_PORT_MASK(id)	((id == ID_MT7531 || \
78 					  id == ID_MT7988 || \
79 					  id == ID_EN7581) ? \
80 					 MT7531_MIRROR_PORT_MASK : \
81 					 MT7530_MIRROR_PORT_MASK)
82 
83 #define MT753X_MIRROR_PORT_GET(id, val)	((id == ID_MT7531 || \
84 					  id == ID_MT7988 || \
85 					  id == ID_EN7581) ? \
86 					 MT7531_MIRROR_PORT_GET(val) : \
87 					 MT7530_MIRROR_PORT_GET(val))
88 
89 #define MT753X_MIRROR_PORT_SET(id, val)	((id == ID_MT7531 || \
90 					  id == ID_MT7988 || \
91 					  id == ID_EN7581) ? \
92 					 MT7531_MIRROR_PORT_SET(val) : \
93 					 MT7530_MIRROR_PORT_SET(val))
94 
95 /* Register for BPDU and PAE frame control */
96 #define MT753X_BPC			0x24
97 #define  PAE_BPDU_FR			BIT(25)
98 #define  PAE_EG_TAG_MASK		GENMASK(24, 22)
99 #define  PAE_EG_TAG(x)			FIELD_PREP(PAE_EG_TAG_MASK, x)
100 #define  PAE_PORT_FW_MASK		GENMASK(18, 16)
101 #define  PAE_PORT_FW(x)			FIELD_PREP(PAE_PORT_FW_MASK, x)
102 #define  BPDU_EG_TAG_MASK		GENMASK(8, 6)
103 #define  BPDU_EG_TAG(x)			FIELD_PREP(BPDU_EG_TAG_MASK, x)
104 #define  BPDU_PORT_FW_MASK		GENMASK(2, 0)
105 
106 /* Register for 01-80-C2-00-00-[01,02] MAC DA frame control */
107 #define MT753X_RGAC1			0x28
108 #define  R02_BPDU_FR			BIT(25)
109 #define  R02_EG_TAG_MASK		GENMASK(24, 22)
110 #define  R02_EG_TAG(x)			FIELD_PREP(R02_EG_TAG_MASK, x)
111 #define  R02_PORT_FW_MASK		GENMASK(18, 16)
112 #define  R02_PORT_FW(x)			FIELD_PREP(R02_PORT_FW_MASK, x)
113 #define  R01_BPDU_FR			BIT(9)
114 #define  R01_EG_TAG_MASK		GENMASK(8, 6)
115 #define  R01_EG_TAG(x)			FIELD_PREP(R01_EG_TAG_MASK, x)
116 #define  R01_PORT_FW_MASK		GENMASK(2, 0)
117 
118 /* Register for 01-80-C2-00-00-[03,0E] MAC DA frame control */
119 #define MT753X_RGAC2			0x2c
120 #define  R0E_BPDU_FR			BIT(25)
121 #define  R0E_EG_TAG_MASK		GENMASK(24, 22)
122 #define  R0E_EG_TAG(x)			FIELD_PREP(R0E_EG_TAG_MASK, x)
123 #define  R0E_PORT_FW_MASK		GENMASK(18, 16)
124 #define  R0E_PORT_FW(x)			FIELD_PREP(R0E_PORT_FW_MASK, x)
125 #define  R03_BPDU_FR			BIT(9)
126 #define  R03_EG_TAG_MASK		GENMASK(8, 6)
127 #define  R03_EG_TAG(x)			FIELD_PREP(R03_EG_TAG_MASK, x)
128 #define  R03_PORT_FW_MASK		GENMASK(2, 0)
129 
130 enum mt753x_to_cpu_fw {
131 	TO_CPU_FW_SYSTEM_DEFAULT,
132 	TO_CPU_FW_CPU_EXCLUDE = 4,
133 	TO_CPU_FW_CPU_INCLUDE = 5,
134 	TO_CPU_FW_CPU_ONLY = 6,
135 	TO_CPU_FW_DROP = 7,
136 };
137 
138 /* Registers for address table access */
139 #define MT7530_ATA1			0x74
140 #define  STATIC_EMP			0
141 #define  STATIC_ENT			3
142 #define MT7530_ATA2			0x78
143 #define  ATA2_IVL			BIT(15)
144 #define  ATA2_FID(x)			(((x) & 0x7) << 12)
145 
146 /* Register for address table write data */
147 #define MT7530_ATWD			0x7c
148 
149 /* Register for address table control */
150 #define MT7530_ATC			0x80
151 #define  ATC_HASH			(((x) & 0xfff) << 16)
152 #define  ATC_BUSY			BIT(15)
153 #define  ATC_SRCH_END			BIT(14)
154 #define  ATC_SRCH_HIT			BIT(13)
155 #define  ATC_INVALID			BIT(12)
156 #define  ATC_MAT(x)			(((x) & 0xf) << 8)
157 #define  ATC_MAT_MACTAB			ATC_MAT(0)
158 
159 enum mt7530_fdb_cmd {
160 	MT7530_FDB_READ	= 0,
161 	MT7530_FDB_WRITE = 1,
162 	MT7530_FDB_FLUSH = 2,
163 	MT7530_FDB_START = 4,
164 	MT7530_FDB_NEXT = 5,
165 };
166 
167 /* Registers for table search read address */
168 #define MT7530_TSRA1			0x84
169 #define  MAC_BYTE_0			24
170 #define  MAC_BYTE_1			16
171 #define  MAC_BYTE_2			8
172 #define  MAC_BYTE_3			0
173 #define  MAC_BYTE_MASK			0xff
174 
175 #define MT7530_TSRA2			0x88
176 #define  MAC_BYTE_4			24
177 #define  MAC_BYTE_5			16
178 #define  CVID				0
179 #define  CVID_MASK			0xfff
180 
181 #define MT7530_ATRD			0x8C
182 #define	 AGE_TIMER			24
183 #define  AGE_TIMER_MASK			0xff
184 #define  PORT_MAP			4
185 #define  PORT_MAP_MASK			0xff
186 #define  ENT_STATUS			2
187 #define  ENT_STATUS_MASK		0x3
188 
189 /* Register for vlan table control */
190 #define MT7530_VTCR			0x90
191 #define  VTCR_BUSY			BIT(31)
192 #define  VTCR_INVALID			BIT(16)
193 #define  VTCR_FUNC(x)			(((x) & 0xf) << 12)
194 #define  VTCR_VID			((x) & 0xfff)
195 
196 enum mt7530_vlan_cmd {
197 	/* Read/Write the specified VID entry from VAWD register based
198 	 * on VID.
199 	 */
200 	MT7530_VTCR_RD_VID = 0,
201 	MT7530_VTCR_WR_VID = 1,
202 };
203 
204 /* Register for setup vlan and acl write data */
205 #define MT7530_VAWD1			0x94
206 #define  PORT_STAG			BIT(31)
207 /* Independent VLAN Learning */
208 #define  IVL_MAC			BIT(30)
209 /* Egress Tag Consistent */
210 #define  EG_CON				BIT(29)
211 /* Per VLAN Egress Tag Control */
212 #define  VTAG_EN			BIT(28)
213 /* VLAN Member Control */
214 #define  PORT_MEM(x)			(((x) & 0xff) << 16)
215 /* Filter ID */
216 #define  FID(x)				(((x) & 0x7) << 1)
217 /* VLAN Entry Valid */
218 #define  VLAN_VALID			BIT(0)
219 #define  PORT_MEM_SHFT			16
220 #define  PORT_MEM_MASK			0xff
221 
222 enum mt7530_fid {
223 	FID_STANDALONE = 0,
224 	FID_BRIDGED = 1,
225 };
226 
227 #define MT7530_VAWD2			0x98
228 /* Egress Tag Control */
229 #define  ETAG_CTRL_P(p, x)		(((x) & 0x3) << ((p) << 1))
230 #define  ETAG_CTRL_P_MASK(p)		ETAG_CTRL_P(p, 3)
231 
232 enum mt7530_vlan_egress_attr {
233 	MT7530_VLAN_EGRESS_UNTAG = 0,
234 	MT7530_VLAN_EGRESS_TAG = 2,
235 	MT7530_VLAN_EGRESS_STACK = 3,
236 };
237 
238 /* Register for address age control */
239 #define MT7530_AAC			0xa0
240 /* Disable ageing */
241 #define  AGE_DIS			BIT(20)
242 /* Age count */
243 #define  AGE_CNT_MASK			GENMASK(19, 12)
244 #define  AGE_CNT_MAX			0xff
245 #define  AGE_CNT(x)			(AGE_CNT_MASK & ((x) << 12))
246 /* Age unit */
247 #define  AGE_UNIT_MASK			GENMASK(11, 0)
248 #define  AGE_UNIT_MAX			0xfff
249 #define  AGE_UNIT(x)			(AGE_UNIT_MASK & (x))
250 
251 /* Register for port STP state control */
252 #define MT7530_SSP_P(x)			(0x2000 + ((x) * 0x100))
253 #define  FID_PST(fid, state)		(((state) & 0x3) << ((fid) * 2))
254 #define  FID_PST_MASK(fid)		FID_PST(fid, 0x3)
255 
256 enum mt7530_stp_state {
257 	MT7530_STP_DISABLED = 0,
258 	MT7530_STP_BLOCKING = 1,
259 	MT7530_STP_LISTENING = 1,
260 	MT7530_STP_LEARNING = 2,
261 	MT7530_STP_FORWARDING  = 3
262 };
263 
264 /* Register for port control */
265 #define MT7530_PCR_P(x)			(0x2004 + ((x) * 0x100))
266 #define  PORT_TX_MIR			BIT(9)
267 #define  PORT_RX_MIR			BIT(8)
268 #define  PORT_VLAN(x)			((x) & 0x3)
269 
270 enum mt7530_port_mode {
271 	/* Port Matrix Mode: Frames are forwarded by the PCR_MATRIX members. */
272 	MT7530_PORT_MATRIX_MODE = PORT_VLAN(0),
273 
274 	/* Fallback Mode: Forward received frames with ingress ports that do
275 	 * not belong to the VLAN member. Frames whose VID is not listed on
276 	 * the VLAN table are forwarded by the PCR_MATRIX members.
277 	 */
278 	MT7530_PORT_FALLBACK_MODE = PORT_VLAN(1),
279 
280 	/* Security Mode: Discard any frame due to ingress membership
281 	 * violation or VID missed on the VLAN table.
282 	 */
283 	MT7530_PORT_SECURITY_MODE = PORT_VLAN(3),
284 };
285 
286 #define  PCR_MATRIX(x)			(((x) & 0xff) << 16)
287 #define  PORT_PRI(x)			(((x) & 0x7) << 24)
288 #define  EG_TAG(x)			(((x) & 0x3) << 28)
289 #define  PCR_MATRIX_MASK		PCR_MATRIX(0xff)
290 #define  PCR_MATRIX_CLR			PCR_MATRIX(0)
291 #define  PCR_PORT_VLAN_MASK		PORT_VLAN(3)
292 
293 /* Register for port security control */
294 #define MT7530_PSC_P(x)			(0x200c + ((x) * 0x100))
295 #define  SA_DIS				BIT(4)
296 
297 /* Register for port vlan control */
298 #define MT7530_PVC_P(x)			(0x2010 + ((x) * 0x100))
299 #define  PORT_SPEC_TAG			BIT(5)
300 #define  PVC_EG_TAG(x)			(((x) & 0x7) << 8)
301 #define  PVC_EG_TAG_MASK		PVC_EG_TAG(7)
302 #define  VLAN_ATTR(x)			(((x) & 0x3) << 6)
303 #define  VLAN_ATTR_MASK			VLAN_ATTR(3)
304 #define  ACC_FRM_MASK			GENMASK(1, 0)
305 
306 enum mt7530_vlan_port_eg_tag {
307 	MT7530_VLAN_EG_DISABLED = 0,
308 	MT7530_VLAN_EG_CONSISTENT = 1,
309 	MT7530_VLAN_EG_UNTAGGED = 4,
310 };
311 
312 enum mt7530_vlan_port_attr {
313 	MT7530_VLAN_USER = 0,
314 	MT7530_VLAN_TRANSPARENT = 3,
315 };
316 
317 enum mt7530_vlan_port_acc_frm {
318 	MT7530_VLAN_ACC_ALL = 0,
319 	MT7530_VLAN_ACC_TAGGED = 1,
320 	MT7530_VLAN_ACC_UNTAGGED = 2,
321 };
322 
323 #define  STAG_VPID			(((x) & 0xffff) << 16)
324 
325 /* Register for port port-and-protocol based vlan 1 control */
326 #define MT7530_PPBV1_P(x)		(0x2014 + ((x) * 0x100))
327 #define  G0_PORT_VID(x)			(((x) & 0xfff) << 0)
328 #define  G0_PORT_VID_MASK		G0_PORT_VID(0xfff)
329 #define  G0_PORT_VID_DEF		G0_PORT_VID(0)
330 
331 /* Register for port MAC control register */
332 #define MT753X_PMCR_P(x)		(0x3000 + ((x) * 0x100))
333 #define  PMCR_IFG_XMIT_MASK		GENMASK(19, 18)
334 #define  PMCR_IFG_XMIT(x)		FIELD_PREP(PMCR_IFG_XMIT_MASK, x)
335 #define  PMCR_EXT_PHY			BIT(17)
336 #define  PMCR_MAC_MODE			BIT(16)
337 #define  MT7530_FORCE_MODE		BIT(15)
338 #define  PMCR_MAC_TX_EN			BIT(14)
339 #define  PMCR_MAC_RX_EN			BIT(13)
340 #define  PMCR_BACKOFF_EN		BIT(9)
341 #define  PMCR_BACKPR_EN			BIT(8)
342 #define  PMCR_FORCE_EEE1G		BIT(7)
343 #define  PMCR_FORCE_EEE100		BIT(6)
344 #define  PMCR_FORCE_RX_FC_EN		BIT(5)
345 #define  PMCR_FORCE_TX_FC_EN		BIT(4)
346 #define  PMCR_FORCE_SPEED_1000		BIT(3)
347 #define  PMCR_FORCE_SPEED_100		BIT(2)
348 #define  PMCR_FORCE_FDX			BIT(1)
349 #define  PMCR_FORCE_LNK			BIT(0)
350 #define  MT7531_FORCE_MODE_LNK		BIT(31)
351 #define  MT7531_FORCE_MODE_SPD		BIT(30)
352 #define  MT7531_FORCE_MODE_DPX		BIT(29)
353 #define  MT7531_FORCE_MODE_RX_FC	BIT(28)
354 #define  MT7531_FORCE_MODE_TX_FC	BIT(27)
355 #define  MT7531_FORCE_MODE_EEE100	BIT(26)
356 #define  MT7531_FORCE_MODE_EEE1G	BIT(25)
357 #define  MT7531_FORCE_MODE_MASK		(MT7531_FORCE_MODE_LNK | \
358 					 MT7531_FORCE_MODE_SPD | \
359 					 MT7531_FORCE_MODE_DPX | \
360 					 MT7531_FORCE_MODE_RX_FC | \
361 					 MT7531_FORCE_MODE_TX_FC | \
362 					 MT7531_FORCE_MODE_EEE100 | \
363 					 MT7531_FORCE_MODE_EEE1G)
364 #define  MT753X_FORCE_MODE(id)		((id == ID_MT7531 || \
365 					  id == ID_MT7988) ? \
366 					 MT7531_FORCE_MODE_MASK : \
367 					 MT7530_FORCE_MODE)
368 #define  PMCR_LINK_SETTINGS_MASK	(PMCR_MAC_TX_EN | PMCR_MAC_RX_EN | \
369 					 PMCR_FORCE_EEE1G | \
370 					 PMCR_FORCE_EEE100 | \
371 					 PMCR_FORCE_RX_FC_EN | \
372 					 PMCR_FORCE_TX_FC_EN | \
373 					 PMCR_FORCE_SPEED_1000 | \
374 					 PMCR_FORCE_SPEED_100 | \
375 					 PMCR_FORCE_FDX | PMCR_FORCE_LNK)
376 
377 #define MT753X_PMEEECR_P(x)		(0x3004 + (x) * 0x100)
378 #define  WAKEUP_TIME_1000_MASK		GENMASK(31, 24)
379 #define  WAKEUP_TIME_1000(x)		FIELD_PREP(WAKEUP_TIME_1000_MASK, x)
380 #define  WAKEUP_TIME_100_MASK		GENMASK(23, 16)
381 #define  WAKEUP_TIME_100(x)		FIELD_PREP(WAKEUP_TIME_100_MASK, x)
382 #define  LPI_THRESH_MASK		GENMASK(15, 4)
383 #define  LPI_THRESH_GET(x)		FIELD_GET(LPI_THRESH_MASK, x)
384 #define  LPI_THRESH_SET(x)		FIELD_PREP(LPI_THRESH_MASK, x)
385 #define  LPI_MODE_EN			BIT(0)
386 
387 #define MT7530_PMSR_P(x)		(0x3008 + (x) * 0x100)
388 #define  PMSR_EEE1G			BIT(7)
389 #define  PMSR_EEE100M			BIT(6)
390 #define  PMSR_RX_FC			BIT(5)
391 #define  PMSR_TX_FC			BIT(4)
392 #define  PMSR_SPEED_1000		BIT(3)
393 #define  PMSR_SPEED_100			BIT(2)
394 #define  PMSR_SPEED_10			0x00
395 #define  PMSR_SPEED_MASK		(PMSR_SPEED_100 | PMSR_SPEED_1000)
396 #define  PMSR_DPX			BIT(1)
397 #define  PMSR_LINK			BIT(0)
398 
399 /* Register for port debug count */
400 #define MT7531_DBG_CNT(x)		(0x3018 + (x) * 0x100)
401 #define  MT7531_DIS_CLR			BIT(31)
402 
403 #define MT7530_GMACCR			0x30e0
404 #define  MAX_RX_JUMBO(x)		((x) << 2)
405 #define  MAX_RX_JUMBO_MASK		GENMASK(5, 2)
406 #define  MAX_RX_PKT_LEN_MASK		GENMASK(1, 0)
407 #define  MAX_RX_PKT_LEN_1522		0x0
408 #define  MAX_RX_PKT_LEN_1536		0x1
409 #define  MAX_RX_PKT_LEN_1552		0x2
410 #define  MAX_RX_PKT_LEN_JUMBO		0x3
411 
412 /* Register for MIB */
413 #define MT7530_PORT_MIB_COUNTER(x)	(0x4000 + (x) * 0x100)
414 #define MT7530_MIB_CCR			0x4fe0
415 #define  CCR_MIB_ENABLE			BIT(31)
416 #define  CCR_RX_OCT_CNT_GOOD		BIT(7)
417 #define  CCR_RX_OCT_CNT_BAD		BIT(6)
418 #define  CCR_TX_OCT_CNT_GOOD		BIT(5)
419 #define  CCR_TX_OCT_CNT_BAD		BIT(4)
420 #define  CCR_MIB_FLUSH			(CCR_RX_OCT_CNT_GOOD | \
421 					 CCR_RX_OCT_CNT_BAD | \
422 					 CCR_TX_OCT_CNT_GOOD | \
423 					 CCR_TX_OCT_CNT_BAD)
424 #define  CCR_MIB_ACTIVATE		(CCR_MIB_ENABLE | \
425 					 CCR_RX_OCT_CNT_GOOD | \
426 					 CCR_RX_OCT_CNT_BAD | \
427 					 CCR_TX_OCT_CNT_GOOD | \
428 					 CCR_TX_OCT_CNT_BAD)
429 
430 /* MT7531 SGMII register group */
431 #define MT7531_SGMII_REG_BASE(p)	(0x5000 + ((p) - 5) * 0x1000)
432 #define MT7531_PHYA_CTRL_SIGNAL3	0x128
433 
434 /* Register for system reset */
435 #define MT7530_SYS_CTRL			0x7000
436 #define  SYS_CTRL_PHY_RST		BIT(2)
437 #define  SYS_CTRL_SW_RST		BIT(1)
438 #define  SYS_CTRL_REG_RST		BIT(0)
439 
440 /* Register for system interrupt */
441 #define MT7530_SYS_INT_EN		0x7008
442 
443 /* Register for system interrupt status */
444 #define MT7530_SYS_INT_STS		0x700c
445 
446 /* Register for PHY Indirect Access Control */
447 #define MT7531_PHY_IAC			0x701C
448 #define  MT7531_PHY_ACS_ST		BIT(31)
449 #define  MT7531_MDIO_REG_ADDR_MASK	(0x1f << 25)
450 #define  MT7531_MDIO_PHY_ADDR_MASK	(0x1f << 20)
451 #define  MT7531_MDIO_CMD_MASK		(0x3 << 18)
452 #define  MT7531_MDIO_ST_MASK		(0x3 << 16)
453 #define  MT7531_MDIO_RW_DATA_MASK	(0xffff)
454 #define  MT7531_MDIO_REG_ADDR(x)	(((x) & 0x1f) << 25)
455 #define  MT7531_MDIO_DEV_ADDR(x)	(((x) & 0x1f) << 25)
456 #define  MT7531_MDIO_PHY_ADDR(x)	(((x) & 0x1f) << 20)
457 #define  MT7531_MDIO_CMD(x)		(((x) & 0x3) << 18)
458 #define  MT7531_MDIO_ST(x)		(((x) & 0x3) << 16)
459 
460 enum mt7531_phy_iac_cmd {
461 	MT7531_MDIO_ADDR = 0,
462 	MT7531_MDIO_WRITE = 1,
463 	MT7531_MDIO_READ = 2,
464 	MT7531_MDIO_READ_CL45 = 3,
465 };
466 
467 /* MDIO_ST: MDIO start field */
468 enum mt7531_mdio_st {
469 	MT7531_MDIO_ST_CL45 = 0,
470 	MT7531_MDIO_ST_CL22 = 1,
471 };
472 
473 #define  MT7531_MDIO_CL22_READ		(MT7531_MDIO_ST(MT7531_MDIO_ST_CL22) | \
474 					 MT7531_MDIO_CMD(MT7531_MDIO_READ))
475 #define  MT7531_MDIO_CL22_WRITE		(MT7531_MDIO_ST(MT7531_MDIO_ST_CL22) | \
476 					 MT7531_MDIO_CMD(MT7531_MDIO_WRITE))
477 #define  MT7531_MDIO_CL45_ADDR		(MT7531_MDIO_ST(MT7531_MDIO_ST_CL45) | \
478 					 MT7531_MDIO_CMD(MT7531_MDIO_ADDR))
479 #define  MT7531_MDIO_CL45_READ		(MT7531_MDIO_ST(MT7531_MDIO_ST_CL45) | \
480 					 MT7531_MDIO_CMD(MT7531_MDIO_READ))
481 #define  MT7531_MDIO_CL45_WRITE		(MT7531_MDIO_ST(MT7531_MDIO_ST_CL45) | \
482 					 MT7531_MDIO_CMD(MT7531_MDIO_WRITE))
483 
484 /* Register for RGMII clock phase */
485 #define MT7531_CLKGEN_CTRL		0x7500
486 #define  CLK_SKEW_OUT(x)		(((x) & 0x3) << 8)
487 #define  CLK_SKEW_OUT_MASK		GENMASK(9, 8)
488 #define  CLK_SKEW_IN(x)			(((x) & 0x3) << 6)
489 #define  CLK_SKEW_IN_MASK		GENMASK(7, 6)
490 #define  RXCLK_NO_DELAY			BIT(5)
491 #define  TXCLK_NO_REVERSE		BIT(4)
492 #define  GP_MODE(x)			(((x) & 0x3) << 1)
493 #define  GP_MODE_MASK			GENMASK(2, 1)
494 #define  GP_CLK_EN			BIT(0)
495 
496 enum mt7531_gp_mode {
497 	MT7531_GP_MODE_RGMII = 0,
498 	MT7531_GP_MODE_MII = 1,
499 	MT7531_GP_MODE_REV_MII = 2
500 };
501 
502 enum mt7531_clk_skew {
503 	MT7531_CLK_SKEW_NO_CHG = 0,
504 	MT7531_CLK_SKEW_DLY_100PPS = 1,
505 	MT7531_CLK_SKEW_DLY_200PPS = 2,
506 	MT7531_CLK_SKEW_REVERSE = 3,
507 };
508 
509 /* Register for trap status */
510 #define MT753X_TRAP			0x7800
511 #define  MT7530_XTAL_MASK		(BIT(10) | BIT(9))
512 #define  MT7530_XTAL_25MHZ		(BIT(10) | BIT(9))
513 #define  MT7530_XTAL_40MHZ		BIT(10)
514 #define  MT7530_XTAL_20MHZ		BIT(9)
515 #define  MT7531_XTAL25			BIT(7)
516 
517 /* Register for trap modification */
518 #define MT753X_MTRAP			0x7804
519 #define  MT7530_P5_PHY0_SEL		BIT(20)
520 #define  MT7530_CHG_TRAP		BIT(16)
521 #define  MT7530_P5_MAC_SEL		BIT(13)
522 #define  MT7530_P6_DIS			BIT(8)
523 #define  MT7530_P5_RGMII_MODE		BIT(7)
524 #define  MT7530_P5_DIS			BIT(6)
525 #define  MT7530_PHY_INDIRECT_ACCESS	BIT(5)
526 #define  MT7531_CHG_STRAP		BIT(8)
527 #define  MT7531_PHY_EN			BIT(6)
528 
529 enum mt7531_xtal_fsel {
530 	MT7531_XTAL_FSEL_25MHZ,
531 	MT7531_XTAL_FSEL_40MHZ,
532 };
533 
534 /* Register for TOP signal control */
535 #define MT7530_TOP_SIG_CTRL		0x7808
536 #define  TOP_SIG_CTRL_NORMAL		(BIT(17) | BIT(16))
537 
538 #define MT7531_TOP_SIG_SR		0x780c
539 #define  PAD_DUAL_SGMII_EN		BIT(1)
540 #define  PAD_MCM_SMI_EN			BIT(0)
541 
542 #define MT7530_IO_DRV_CR		0x7810
543 #define  P5_IO_CLK_DRV(x)		((x) & 0x3)
544 #define  P5_IO_DATA_DRV(x)		(((x) & 0x3) << 4)
545 
546 #define MT7531_CHIP_REV			0x781C
547 
548 #define MT7531_PLLGP_EN			0x7820
549 #define  EN_COREPLL			BIT(2)
550 #define  SW_CLKSW			BIT(1)
551 #define  SW_PLLGP			BIT(0)
552 
553 #define MT7530_P6ECR			0x7830
554 #define  P6_INTF_MODE_MASK		0x3
555 #define  P6_INTF_MODE(x)		((x) & 0x3)
556 
557 #define MT7531_PLLGP_CR0		0x78a8
558 #define  RG_COREPLL_EN			BIT(22)
559 #define  RG_COREPLL_POSDIV_S		23
560 #define  RG_COREPLL_POSDIV_M		0x3800000
561 #define  RG_COREPLL_SDM_PCW_S		1
562 #define  RG_COREPLL_SDM_PCW_M		0x3ffffe
563 #define  RG_COREPLL_SDM_PCW_CHG		BIT(0)
564 
565 /* Registers for RGMII and SGMII PLL clock */
566 #define MT7531_ANA_PLLGP_CR2		0x78b0
567 #define MT7531_ANA_PLLGP_CR5		0x78bc
568 
569 /* Registers for TRGMII on the both side */
570 #define MT7530_TRGMII_RCK_CTRL		0x7a00
571 #define  RX_RST				BIT(31)
572 #define  RXC_DQSISEL			BIT(30)
573 #define  DQSI1_TAP_MASK			(0x7f << 8)
574 #define  DQSI0_TAP_MASK			0x7f
575 #define  DQSI1_TAP(x)			(((x) & 0x7f) << 8)
576 #define  DQSI0_TAP(x)			((x) & 0x7f)
577 
578 #define MT7530_TRGMII_RCK_RTT		0x7a04
579 #define  DQS1_GATE			BIT(31)
580 #define  DQS0_GATE			BIT(30)
581 
582 #define MT7530_TRGMII_RD(x)		(0x7a10 + (x) * 8)
583 #define  BSLIP_EN			BIT(31)
584 #define  EDGE_CHK			BIT(30)
585 #define  RD_TAP_MASK			0x7f
586 #define  RD_TAP(x)			((x) & 0x7f)
587 
588 #define MT7530_TRGMII_TXCTRL		0x7a40
589 #define  TRAIN_TXEN			BIT(31)
590 #define  TXC_INV			BIT(30)
591 #define  TX_RST				BIT(28)
592 
593 #define MT7530_TRGMII_TD_ODT(i)		(0x7a54 + 8 * (i))
594 #define  TD_DM_DRVP(x)			((x) & 0xf)
595 #define  TD_DM_DRVN(x)			(((x) & 0xf) << 4)
596 
597 #define MT7530_TRGMII_TCK_CTRL		0x7a78
598 #define  TCK_TAP(x)			(((x) & 0xf) << 8)
599 
600 #define MT7530_P5RGMIIRXCR		0x7b00
601 #define  CSR_RGMII_EDGE_ALIGN		BIT(8)
602 #define  CSR_RGMII_RXC_0DEG_CFG(x)	((x) & 0xf)
603 
604 #define MT7530_P5RGMIITXCR		0x7b04
605 #define  CSR_RGMII_TXC_CFG(x)		((x) & 0x1f)
606 
607 /* Registers for GPIO mode */
608 #define MT7531_GPIO_MODE0		0x7c0c
609 #define  MT7531_GPIO0_MASK		GENMASK(3, 0)
610 #define  MT7531_GPIO0_INTERRUPT		1
611 
612 #define MT7531_GPIO_MODE1		0x7c10
613 #define  MT7531_GPIO11_RG_RXD2_MASK	GENMASK(15, 12)
614 #define  MT7531_EXT_P_MDC_11		(2 << 12)
615 #define  MT7531_GPIO12_RG_RXD3_MASK	GENMASK(19, 16)
616 #define  MT7531_EXT_P_MDIO_12		(2 << 16)
617 
618 /* Registers for LED GPIO control (MT7530 only)
619  * All registers follow this pattern:
620  * [ 2: 0]  port 0
621  * [ 6: 4]  port 1
622  * [10: 8]  port 2
623  * [14:12]  port 3
624  * [18:16]  port 4
625  */
626 
627 /* LED enable, 0: Disable, 1: Enable (Default) */
628 #define MT7530_LED_EN			0x7d00
629 /* LED mode, 0: GPIO mode, 1: PHY mode (Default) */
630 #define MT7530_LED_IO_MODE		0x7d04
631 /* GPIO direction, 0: Input, 1: Output */
632 #define MT7530_LED_GPIO_DIR		0x7d10
633 /* GPIO output enable, 0: Disable, 1: Enable */
634 #define MT7530_LED_GPIO_OE		0x7d14
635 /* GPIO value, 0: Low, 1: High */
636 #define MT7530_LED_GPIO_DATA		0x7d18
637 
638 #define MT7530_CREV			0x7ffc
639 #define  CHIP_NAME_SHIFT		16
640 #define  MT7530_ID			0x7530
641 
642 #define MT7531_CREV			0x781C
643 #define  CHIP_REV_M			0x0f
644 #define  MT7531_ID			0x7531
645 
646 /* Registers for core PLL access through mmd indirect */
647 #define CORE_PLL_GROUP2			0x401
648 #define  RG_SYSPLL_EN_NORMAL		BIT(15)
649 #define  RG_SYSPLL_VODEN		BIT(14)
650 #define  RG_SYSPLL_LF			BIT(13)
651 #define  RG_SYSPLL_RST_DLY(x)		(((x) & 0x3) << 12)
652 #define  RG_SYSPLL_LVROD_EN		BIT(10)
653 #define  RG_SYSPLL_PREDIV(x)		(((x) & 0x3) << 8)
654 #define  RG_SYSPLL_POSDIV(x)		(((x) & 0x3) << 5)
655 #define  RG_SYSPLL_FBKSEL		BIT(4)
656 #define  RT_SYSPLL_EN_AFE_OLT		BIT(0)
657 
658 #define CORE_PLL_GROUP4			0x403
659 #define  RG_SYSPLL_DDSFBK_EN		BIT(12)
660 #define  RG_SYSPLL_BIAS_EN		BIT(11)
661 #define  RG_SYSPLL_BIAS_LPF_EN		BIT(10)
662 #define  MT7531_RG_SYSPLL_DMY2		BIT(6)
663 #define  MT7531_PHY_PLL_OFF		BIT(5)
664 #define  MT7531_PHY_PLL_BYPASS_MODE	BIT(4)
665 
666 #define MT753X_CTRL_PHY_ADDR(addr)	((addr + 1) & 0x1f)
667 
668 #define CORE_PLL_GROUP5			0x404
669 #define  RG_LCDDS_PCW_NCPO1(x)		((x) & 0xffff)
670 
671 #define CORE_PLL_GROUP6			0x405
672 #define  RG_LCDDS_PCW_NCPO0(x)		((x) & 0xffff)
673 
674 #define CORE_PLL_GROUP7			0x406
675 #define  RG_LCDDS_PWDB			BIT(15)
676 #define  RG_LCDDS_ISO_EN		BIT(13)
677 #define  RG_LCCDS_C(x)			(((x) & 0x7) << 4)
678 #define  RG_LCDDS_PCW_NCPO_CHG		BIT(3)
679 
680 #define CORE_PLL_GROUP10		0x409
681 #define  RG_LCDDS_SSC_DELTA(x)		((x) & 0xfff)
682 
683 #define CORE_PLL_GROUP11		0x40a
684 #define  RG_LCDDS_SSC_DELTA1(x)		((x) & 0xfff)
685 
686 #define CORE_GSWPLL_GRP1		0x40d
687 #define  RG_GSWPLL_PREDIV(x)		(((x) & 0x3) << 14)
688 #define  RG_GSWPLL_POSDIV_200M(x)	(((x) & 0x3) << 12)
689 #define  RG_GSWPLL_EN_PRE		BIT(11)
690 #define  RG_GSWPLL_FBKSEL		BIT(10)
691 #define  RG_GSWPLL_BP			BIT(9)
692 #define  RG_GSWPLL_BR			BIT(8)
693 #define  RG_GSWPLL_FBKDIV_200M(x)	((x) & 0xff)
694 
695 #define CORE_GSWPLL_GRP2		0x40e
696 #define  RG_GSWPLL_POSDIV_500M(x)	(((x) & 0x3) << 8)
697 #define  RG_GSWPLL_FBKDIV_500M(x)	((x) & 0xff)
698 
699 #define CORE_TRGMII_GSW_CLK_CG		0x410
700 #define  REG_GSWCK_EN			BIT(0)
701 #define  REG_TRGMIICK_EN		BIT(1)
702 
703 #define MIB_DESC(_s, _o, _n)	\
704 	{			\
705 		.size = (_s),	\
706 		.offset = (_o),	\
707 		.name = (_n),	\
708 	}
709 
710 struct mt7530_mib_desc {
711 	unsigned int size;
712 	unsigned int offset;
713 	const char *name;
714 };
715 
716 struct mt7530_fdb {
717 	u16 vid;
718 	u8 port_mask;
719 	u8 aging;
720 	u8 mac[6];
721 	bool noarp;
722 };
723 
724 /* struct mt7530_port -	This is the main data structure for holding the state
725  *			of the port.
726  * @enable:	The status used for show port is enabled or not.
727  * @pm:		The matrix used to show all connections with the port.
728  * @pvid:	The VLAN specified is to be considered a PVID at ingress.  Any
729  *		untagged frames will be assigned to the related VLAN.
730  * @sgmii_pcs:	Pointer to PCS instance for SerDes ports
731  */
732 struct mt7530_port {
733 	bool enable;
734 	bool isolated;
735 	u32 pm;
736 	u16 pvid;
737 	struct phylink_pcs *sgmii_pcs;
738 };
739 
740 /* Port 5 mode definitions of the MT7530 switch */
741 enum mt7530_p5_mode {
742 	GMAC5,
743 	MUX_PHY_P0,
744 	MUX_PHY_P4,
745 };
746 
747 struct mt7530_priv;
748 
749 struct mt753x_pcs {
750 	struct phylink_pcs pcs;
751 	struct mt7530_priv *priv;
752 	int port;
753 };
754 
755 /* struct mt753x_info -	This is the main data structure for holding the specific
756  *			part for each supported device
757  * @id:			Holding the identifier to a switch model
758  * @pcs_ops:		Holding the pointer to the MAC PCS operations structure
759  * @sw_setup:		Holding the handler to a device initialization
760  * @phy_read_c22:	Holding the way reading PHY port using C22
761  * @phy_write_c22:	Holding the way writing PHY port using C22
762  * @phy_read_c45:	Holding the way reading PHY port using C45
763  * @phy_write_c45:	Holding the way writing PHY port using C45
764  * @mac_port_get_caps:	Holding the handler that provides MAC capabilities
765  * @mac_port_config:	Holding the way setting up the PHY attribute to a
766  *			certain MAC port
767  */
768 struct mt753x_info {
769 	enum mt753x_id id;
770 
771 	const struct phylink_pcs_ops *pcs_ops;
772 
773 	int (*sw_setup)(struct dsa_switch *ds);
774 	int (*phy_read_c22)(struct mt7530_priv *priv, int port, int regnum);
775 	int (*phy_write_c22)(struct mt7530_priv *priv, int port, int regnum,
776 			     u16 val);
777 	int (*phy_read_c45)(struct mt7530_priv *priv, int port, int devad,
778 			    int regnum);
779 	int (*phy_write_c45)(struct mt7530_priv *priv, int port, int devad,
780 			     int regnum, u16 val);
781 	void (*mac_port_get_caps)(struct dsa_switch *ds, int port,
782 				  struct phylink_config *config);
783 	void (*mac_port_config)(struct dsa_switch *ds, int port,
784 				unsigned int mode,
785 				phy_interface_t interface);
786 };
787 
788 /* struct mt7530_priv -	This is the main data structure for holding the state
789  *			of the driver
790  * @dev:		The device pointer
791  * @ds:			The pointer to the dsa core structure
792  * @bus:		The bus used for the device and built-in PHY
793  * @regmap:		The regmap instance representing all switch registers
794  * @rstc:		The pointer to reset control used by MCM
795  * @core_pwr:		The power supplied into the core
796  * @io_pwr:		The power supplied into the I/O
797  * @reset:		The descriptor for GPIO line tied to its reset pin
798  * @mcm:		Flag for distinguishing if standalone IC or module
799  *			coupling
800  * @ports:		Holding the state among ports
801  * @reg_mutex:		The lock for protecting among process accessing
802  *			registers
803  * @p5_mode:		Holding the current mode of port 5 of the MT7530 switch
804  * @p5_sgmii:		Flag for distinguishing if port 5 of the MT7531 switch
805  *			has got SGMII
806  * @irq:		IRQ number of the switch
807  * @irq_domain:		IRQ domain of the switch irq_chip
808  * @irq_enable:		IRQ enable bits, synced to SYS_INT_EN
809  * @create_sgmii:	Pointer to function creating SGMII PCS instance(s)
810  * @active_cpu_ports:	Holding the active CPU ports
811  * @mdiodev:		The pointer to the MDIO device structure
812  */
813 struct mt7530_priv {
814 	struct device		*dev;
815 	struct dsa_switch	*ds;
816 	struct mii_bus		*bus;
817 	struct regmap		*regmap;
818 	struct reset_control	*rstc;
819 	struct regulator	*core_pwr;
820 	struct regulator	*io_pwr;
821 	struct gpio_desc	*reset;
822 	const struct mt753x_info *info;
823 	unsigned int		id;
824 	bool			mcm;
825 	enum mt7530_p5_mode	p5_mode;
826 	bool			p5_sgmii;
827 	u8			mirror_rx;
828 	u8			mirror_tx;
829 	struct mt7530_port	ports[MT7530_NUM_PORTS];
830 	struct mt753x_pcs	pcs[MT7530_NUM_PORTS];
831 	/* protect among processes for registers access*/
832 	struct mutex reg_mutex;
833 	int irq;
834 	struct irq_domain *irq_domain;
835 	u32 irq_enable;
836 	int (*create_sgmii)(struct mt7530_priv *priv);
837 	u8 active_cpu_ports;
838 	struct mdio_device *mdiodev;
839 };
840 
841 struct mt7530_hw_vlan_entry {
842 	int port;
843 	u8  old_members;
844 	bool untagged;
845 };
846 
847 static inline void mt7530_hw_vlan_entry_init(struct mt7530_hw_vlan_entry *e,
848 					     int port, bool untagged)
849 {
850 	e->port = port;
851 	e->untagged = untagged;
852 }
853 
854 typedef void (*mt7530_vlan_op)(struct mt7530_priv *,
855 			       struct mt7530_hw_vlan_entry *);
856 
857 struct mt7530_hw_stats {
858 	const char	*string;
859 	u16		reg;
860 	u8		sizeof_stat;
861 };
862 
863 struct mt7530_dummy_poll {
864 	struct mt7530_priv *priv;
865 	u32 reg;
866 };
867 
868 static inline void INIT_MT7530_DUMMY_POLL(struct mt7530_dummy_poll *p,
869 					  struct mt7530_priv *priv, u32 reg)
870 {
871 	p->priv = priv;
872 	p->reg = reg;
873 }
874 
875 int mt7530_probe_common(struct mt7530_priv *priv);
876 void mt7530_remove_common(struct mt7530_priv *priv);
877 
878 extern const struct dsa_switch_ops mt7530_switch_ops;
879 extern const struct mt753x_info mt753x_table[];
880 
881 #endif /* __MT7530_H */
882