xref: /openbmc/linux/drivers/net/dsa/mt7530.h (revision fa840ba4)
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 };
23 
24 #define	NUM_TRGMII_CTRL			5
25 
26 #define TRGMII_BASE(x)			(0x10000 + (x))
27 
28 /* Registers to ethsys access */
29 #define ETHSYS_CLKCFG0			0x2c
30 #define  ETHSYS_TRGMII_CLK_SEL362_5	BIT(11)
31 
32 #define SYSC_REG_RSTCTRL		0x34
33 #define  RESET_MCM			BIT(2)
34 
35 /* Register for ARL global control */
36 #define MT753X_AGC			0xc
37 #define  LOCAL_EN			BIT(7)
38 
39 /* Registers to mac forward control for unknown frames */
40 #define MT7530_MFC			0x10
41 #define  BC_FFP(x)			(((x) & 0xff) << 24)
42 #define  BC_FFP_MASK			BC_FFP(~0)
43 #define  UNM_FFP(x)			(((x) & 0xff) << 16)
44 #define  UNM_FFP_MASK			UNM_FFP(~0)
45 #define  UNU_FFP(x)			(((x) & 0xff) << 8)
46 #define  UNU_FFP_MASK			UNU_FFP(~0)
47 #define  CPU_EN				BIT(7)
48 #define  CPU_PORT(x)			((x) << 4)
49 #define  CPU_MASK			(0xf << 4)
50 #define  MIRROR_EN			BIT(3)
51 #define  MIRROR_PORT(x)			((x) & 0x7)
52 #define  MIRROR_MASK			0x7
53 
54 /* Registers for CPU forward control */
55 #define MT7531_CFC			0x4
56 #define  MT7531_MIRROR_EN		BIT(19)
57 #define  MT7531_MIRROR_MASK		(MIRROR_MASK << 16)
58 #define  MT7531_MIRROR_PORT_GET(x)	(((x) >> 16) & MIRROR_MASK)
59 #define  MT7531_MIRROR_PORT_SET(x)	(((x) & MIRROR_MASK) << 16)
60 #define  MT7531_CPU_PMAP_MASK		GENMASK(7, 0)
61 #define  MT7531_CPU_PMAP(x)		FIELD_PREP(MT7531_CPU_PMAP_MASK, x)
62 
63 #define MT753X_MIRROR_REG(id)		((((id) == ID_MT7531) || ((id) == ID_MT7988)) ?	\
64 					 MT7531_CFC : MT7530_MFC)
65 #define MT753X_MIRROR_EN(id)		((((id) == ID_MT7531) || ((id) == ID_MT7988)) ?	\
66 					 MT7531_MIRROR_EN : MIRROR_EN)
67 #define MT753X_MIRROR_MASK(id)		((((id) == ID_MT7531) || ((id) == ID_MT7988)) ?	\
68 					 MT7531_MIRROR_MASK : MIRROR_MASK)
69 
70 /* Registers for BPDU and PAE frame control*/
71 #define MT753X_BPC			0x24
72 #define  MT753X_PAE_BPDU_FR		BIT(25)
73 #define  MT753X_PAE_EG_TAG_MASK		GENMASK(24, 22)
74 #define  MT753X_PAE_EG_TAG(x)		FIELD_PREP(MT753X_PAE_EG_TAG_MASK, x)
75 #define  MT753X_PAE_PORT_FW_MASK	GENMASK(18, 16)
76 #define  MT753X_PAE_PORT_FW(x)		FIELD_PREP(MT753X_PAE_PORT_FW_MASK, x)
77 #define  MT753X_BPDU_EG_TAG_MASK	GENMASK(8, 6)
78 #define  MT753X_BPDU_EG_TAG(x)		FIELD_PREP(MT753X_BPDU_EG_TAG_MASK, x)
79 #define  MT753X_BPDU_PORT_FW_MASK	GENMASK(2, 0)
80 
81 /* Register for :01 and :02 MAC DA frame control */
82 #define MT753X_RGAC1			0x28
83 #define  MT753X_R02_BPDU_FR		BIT(25)
84 #define  MT753X_R02_EG_TAG_MASK		GENMASK(24, 22)
85 #define  MT753X_R02_EG_TAG(x)		FIELD_PREP(MT753X_R02_EG_TAG_MASK, x)
86 #define  MT753X_R02_PORT_FW_MASK	GENMASK(18, 16)
87 #define  MT753X_R02_PORT_FW(x)		FIELD_PREP(MT753X_R02_PORT_FW_MASK, x)
88 #define  MT753X_R01_BPDU_FR		BIT(9)
89 #define  MT753X_R01_EG_TAG_MASK		GENMASK(8, 6)
90 #define  MT753X_R01_EG_TAG(x)		FIELD_PREP(MT753X_R01_EG_TAG_MASK, x)
91 #define  MT753X_R01_PORT_FW_MASK	GENMASK(2, 0)
92 
93 /* Register for :03 and :0E MAC DA frame control */
94 #define MT753X_RGAC2			0x2c
95 #define  MT753X_R0E_BPDU_FR		BIT(25)
96 #define  MT753X_R0E_EG_TAG_MASK		GENMASK(24, 22)
97 #define  MT753X_R0E_EG_TAG(x)		FIELD_PREP(MT753X_R0E_EG_TAG_MASK, x)
98 #define  MT753X_R0E_PORT_FW_MASK	GENMASK(18, 16)
99 #define  MT753X_R0E_PORT_FW(x)		FIELD_PREP(MT753X_R0E_PORT_FW_MASK, x)
100 #define  MT753X_R03_BPDU_FR		BIT(9)
101 #define  MT753X_R03_EG_TAG_MASK		GENMASK(8, 6)
102 #define  MT753X_R03_EG_TAG(x)		FIELD_PREP(MT753X_R03_EG_TAG_MASK, x)
103 #define  MT753X_R03_PORT_FW_MASK	GENMASK(2, 0)
104 
105 enum mt753x_bpdu_port_fw {
106 	MT753X_BPDU_FOLLOW_MFC,
107 	MT753X_BPDU_CPU_EXCLUDE = 4,
108 	MT753X_BPDU_CPU_INCLUDE = 5,
109 	MT753X_BPDU_CPU_ONLY = 6,
110 	MT753X_BPDU_DROP = 7,
111 };
112 
113 /* Registers for address table access */
114 #define MT7530_ATA1			0x74
115 #define  STATIC_EMP			0
116 #define  STATIC_ENT			3
117 #define MT7530_ATA2			0x78
118 #define  ATA2_IVL			BIT(15)
119 #define  ATA2_FID(x)			(((x) & 0x7) << 12)
120 
121 /* Register for address table write data */
122 #define MT7530_ATWD			0x7c
123 
124 /* Register for address table control */
125 #define MT7530_ATC			0x80
126 #define  ATC_HASH			(((x) & 0xfff) << 16)
127 #define  ATC_BUSY			BIT(15)
128 #define  ATC_SRCH_END			BIT(14)
129 #define  ATC_SRCH_HIT			BIT(13)
130 #define  ATC_INVALID			BIT(12)
131 #define  ATC_MAT(x)			(((x) & 0xf) << 8)
132 #define  ATC_MAT_MACTAB			ATC_MAT(0)
133 
134 enum mt7530_fdb_cmd {
135 	MT7530_FDB_READ	= 0,
136 	MT7530_FDB_WRITE = 1,
137 	MT7530_FDB_FLUSH = 2,
138 	MT7530_FDB_START = 4,
139 	MT7530_FDB_NEXT = 5,
140 };
141 
142 /* Registers for table search read address */
143 #define MT7530_TSRA1			0x84
144 #define  MAC_BYTE_0			24
145 #define  MAC_BYTE_1			16
146 #define  MAC_BYTE_2			8
147 #define  MAC_BYTE_3			0
148 #define  MAC_BYTE_MASK			0xff
149 
150 #define MT7530_TSRA2			0x88
151 #define  MAC_BYTE_4			24
152 #define  MAC_BYTE_5			16
153 #define  CVID				0
154 #define  CVID_MASK			0xfff
155 
156 #define MT7530_ATRD			0x8C
157 #define	 AGE_TIMER			24
158 #define  AGE_TIMER_MASK			0xff
159 #define  PORT_MAP			4
160 #define  PORT_MAP_MASK			0xff
161 #define  ENT_STATUS			2
162 #define  ENT_STATUS_MASK		0x3
163 
164 /* Register for vlan table control */
165 #define MT7530_VTCR			0x90
166 #define  VTCR_BUSY			BIT(31)
167 #define  VTCR_INVALID			BIT(16)
168 #define  VTCR_FUNC(x)			(((x) & 0xf) << 12)
169 #define  VTCR_VID			((x) & 0xfff)
170 
171 enum mt7530_vlan_cmd {
172 	/* Read/Write the specified VID entry from VAWD register based
173 	 * on VID.
174 	 */
175 	MT7530_VTCR_RD_VID = 0,
176 	MT7530_VTCR_WR_VID = 1,
177 };
178 
179 /* Register for setup vlan and acl write data */
180 #define MT7530_VAWD1			0x94
181 #define  PORT_STAG			BIT(31)
182 /* Independent VLAN Learning */
183 #define  IVL_MAC			BIT(30)
184 /* Egress Tag Consistent */
185 #define  EG_CON				BIT(29)
186 /* Per VLAN Egress Tag Control */
187 #define  VTAG_EN			BIT(28)
188 /* VLAN Member Control */
189 #define  PORT_MEM(x)			(((x) & 0xff) << 16)
190 /* Filter ID */
191 #define  FID(x)				(((x) & 0x7) << 1)
192 /* VLAN Entry Valid */
193 #define  VLAN_VALID			BIT(0)
194 #define  PORT_MEM_SHFT			16
195 #define  PORT_MEM_MASK			0xff
196 
197 enum mt7530_fid {
198 	FID_STANDALONE = 0,
199 	FID_BRIDGED = 1,
200 };
201 
202 #define MT7530_VAWD2			0x98
203 /* Egress Tag Control */
204 #define  ETAG_CTRL_P(p, x)		(((x) & 0x3) << ((p) << 1))
205 #define  ETAG_CTRL_P_MASK(p)		ETAG_CTRL_P(p, 3)
206 
207 enum mt7530_vlan_egress_attr {
208 	MT7530_VLAN_EGRESS_UNTAG = 0,
209 	MT7530_VLAN_EGRESS_TAG = 2,
210 	MT7530_VLAN_EGRESS_STACK = 3,
211 };
212 
213 /* Register for address age control */
214 #define MT7530_AAC			0xa0
215 /* Disable ageing */
216 #define  AGE_DIS			BIT(20)
217 /* Age count */
218 #define  AGE_CNT_MASK			GENMASK(19, 12)
219 #define  AGE_CNT_MAX			0xff
220 #define  AGE_CNT(x)			(AGE_CNT_MASK & ((x) << 12))
221 /* Age unit */
222 #define  AGE_UNIT_MASK			GENMASK(11, 0)
223 #define  AGE_UNIT_MAX			0xfff
224 #define  AGE_UNIT(x)			(AGE_UNIT_MASK & (x))
225 
226 /* Register for port STP state control */
227 #define MT7530_SSP_P(x)			(0x2000 + ((x) * 0x100))
228 #define  FID_PST(fid, state)		(((state) & 0x3) << ((fid) * 2))
229 #define  FID_PST_MASK(fid)		FID_PST(fid, 0x3)
230 
231 enum mt7530_stp_state {
232 	MT7530_STP_DISABLED = 0,
233 	MT7530_STP_BLOCKING = 1,
234 	MT7530_STP_LISTENING = 1,
235 	MT7530_STP_LEARNING = 2,
236 	MT7530_STP_FORWARDING  = 3
237 };
238 
239 /* Register for port control */
240 #define MT7530_PCR_P(x)			(0x2004 + ((x) * 0x100))
241 #define  PORT_TX_MIR			BIT(9)
242 #define  PORT_RX_MIR			BIT(8)
243 #define  PORT_VLAN(x)			((x) & 0x3)
244 
245 enum mt7530_port_mode {
246 	/* Port Matrix Mode: Frames are forwarded by the PCR_MATRIX members. */
247 	MT7530_PORT_MATRIX_MODE = PORT_VLAN(0),
248 
249 	/* Fallback Mode: Forward received frames with ingress ports that do
250 	 * not belong to the VLAN member. Frames whose VID is not listed on
251 	 * the VLAN table are forwarded by the PCR_MATRIX members.
252 	 */
253 	MT7530_PORT_FALLBACK_MODE = PORT_VLAN(1),
254 
255 	/* Security Mode: Discard any frame due to ingress membership
256 	 * violation or VID missed on the VLAN table.
257 	 */
258 	MT7530_PORT_SECURITY_MODE = PORT_VLAN(3),
259 };
260 
261 #define  PCR_MATRIX(x)			(((x) & 0xff) << 16)
262 #define  PORT_PRI(x)			(((x) & 0x7) << 24)
263 #define  EG_TAG(x)			(((x) & 0x3) << 28)
264 #define  PCR_MATRIX_MASK		PCR_MATRIX(0xff)
265 #define  PCR_MATRIX_CLR			PCR_MATRIX(0)
266 #define  PCR_PORT_VLAN_MASK		PORT_VLAN(3)
267 
268 /* Register for port security control */
269 #define MT7530_PSC_P(x)			(0x200c + ((x) * 0x100))
270 #define  SA_DIS				BIT(4)
271 
272 /* Register for port vlan control */
273 #define MT7530_PVC_P(x)			(0x2010 + ((x) * 0x100))
274 #define  PORT_SPEC_TAG			BIT(5)
275 #define  PVC_EG_TAG(x)			(((x) & 0x7) << 8)
276 #define  PVC_EG_TAG_MASK		PVC_EG_TAG(7)
277 #define  VLAN_ATTR(x)			(((x) & 0x3) << 6)
278 #define  VLAN_ATTR_MASK			VLAN_ATTR(3)
279 #define  ACC_FRM_MASK			GENMASK(1, 0)
280 
281 enum mt7530_vlan_port_eg_tag {
282 	MT7530_VLAN_EG_DISABLED = 0,
283 	MT7530_VLAN_EG_CONSISTENT = 1,
284 	MT7530_VLAN_EG_UNTAGGED = 4,
285 };
286 
287 enum mt7530_vlan_port_attr {
288 	MT7530_VLAN_USER = 0,
289 	MT7530_VLAN_TRANSPARENT = 3,
290 };
291 
292 enum mt7530_vlan_port_acc_frm {
293 	MT7530_VLAN_ACC_ALL = 0,
294 	MT7530_VLAN_ACC_TAGGED = 1,
295 	MT7530_VLAN_ACC_UNTAGGED = 2,
296 };
297 
298 #define  STAG_VPID			(((x) & 0xffff) << 16)
299 
300 /* Register for port port-and-protocol based vlan 1 control */
301 #define MT7530_PPBV1_P(x)		(0x2014 + ((x) * 0x100))
302 #define  G0_PORT_VID(x)			(((x) & 0xfff) << 0)
303 #define  G0_PORT_VID_MASK		G0_PORT_VID(0xfff)
304 #define  G0_PORT_VID_DEF		G0_PORT_VID(0)
305 
306 /* Register for port MAC control register */
307 #define MT7530_PMCR_P(x)		(0x3000 + ((x) * 0x100))
308 #define  PMCR_IFG_XMIT(x)		(((x) & 0x3) << 18)
309 #define  PMCR_EXT_PHY			BIT(17)
310 #define  PMCR_MAC_MODE			BIT(16)
311 #define  PMCR_FORCE_MODE		BIT(15)
312 #define  PMCR_TX_EN			BIT(14)
313 #define  PMCR_RX_EN			BIT(13)
314 #define  PMCR_BACKOFF_EN		BIT(9)
315 #define  PMCR_BACKPR_EN			BIT(8)
316 #define  PMCR_FORCE_EEE1G		BIT(7)
317 #define  PMCR_FORCE_EEE100		BIT(6)
318 #define  PMCR_TX_FC_EN			BIT(5)
319 #define  PMCR_RX_FC_EN			BIT(4)
320 #define  PMCR_FORCE_SPEED_1000		BIT(3)
321 #define  PMCR_FORCE_SPEED_100		BIT(2)
322 #define  PMCR_FORCE_FDX			BIT(1)
323 #define  PMCR_FORCE_LNK			BIT(0)
324 #define  PMCR_SPEED_MASK		(PMCR_FORCE_SPEED_100 | \
325 					 PMCR_FORCE_SPEED_1000)
326 #define  MT7531_FORCE_LNK		BIT(31)
327 #define  MT7531_FORCE_SPD		BIT(30)
328 #define  MT7531_FORCE_DPX		BIT(29)
329 #define  MT7531_FORCE_RX_FC		BIT(28)
330 #define  MT7531_FORCE_TX_FC		BIT(27)
331 #define  MT7531_FORCE_MODE		(MT7531_FORCE_LNK | \
332 					 MT7531_FORCE_SPD | \
333 					 MT7531_FORCE_DPX | \
334 					 MT7531_FORCE_RX_FC | \
335 					 MT7531_FORCE_TX_FC)
336 #define  PMCR_FORCE_MODE_ID(id)		((((id) == ID_MT7531) || ((id) == ID_MT7988)) ?	\
337 					 MT7531_FORCE_MODE : PMCR_FORCE_MODE)
338 #define  PMCR_LINK_SETTINGS_MASK	(PMCR_TX_EN | PMCR_FORCE_SPEED_1000 | \
339 					 PMCR_RX_EN | PMCR_FORCE_SPEED_100 | \
340 					 PMCR_TX_FC_EN | PMCR_RX_FC_EN | \
341 					 PMCR_FORCE_FDX | PMCR_FORCE_LNK | \
342 					 PMCR_FORCE_EEE1G | PMCR_FORCE_EEE100)
343 #define  PMCR_CPU_PORT_SETTING(id)	(PMCR_FORCE_MODE_ID((id)) | \
344 					 PMCR_IFG_XMIT(1) | PMCR_MAC_MODE | \
345 					 PMCR_BACKOFF_EN | PMCR_BACKPR_EN | \
346 					 PMCR_TX_EN | PMCR_RX_EN | \
347 					 PMCR_TX_FC_EN | PMCR_RX_FC_EN | \
348 					 PMCR_FORCE_SPEED_1000 | \
349 					 PMCR_FORCE_FDX | PMCR_FORCE_LNK)
350 
351 #define MT7530_PMEEECR_P(x)		(0x3004 + (x) * 0x100)
352 #define  WAKEUP_TIME_1000(x)		(((x) & 0xFF) << 24)
353 #define  WAKEUP_TIME_100(x)		(((x) & 0xFF) << 16)
354 #define  LPI_THRESH_MASK		GENMASK(15, 4)
355 #define  LPI_THRESH_SHT			4
356 #define  SET_LPI_THRESH(x)		(((x) << LPI_THRESH_SHT) & LPI_THRESH_MASK)
357 #define  GET_LPI_THRESH(x)		(((x) & LPI_THRESH_MASK) >> LPI_THRESH_SHT)
358 #define  LPI_MODE_EN			BIT(0)
359 
360 #define MT7530_PMSR_P(x)		(0x3008 + (x) * 0x100)
361 #define  PMSR_EEE1G			BIT(7)
362 #define  PMSR_EEE100M			BIT(6)
363 #define  PMSR_RX_FC			BIT(5)
364 #define  PMSR_TX_FC			BIT(4)
365 #define  PMSR_SPEED_1000		BIT(3)
366 #define  PMSR_SPEED_100			BIT(2)
367 #define  PMSR_SPEED_10			0x00
368 #define  PMSR_SPEED_MASK		(PMSR_SPEED_100 | PMSR_SPEED_1000)
369 #define  PMSR_DPX			BIT(1)
370 #define  PMSR_LINK			BIT(0)
371 
372 /* Register for port debug count */
373 #define MT7531_DBG_CNT(x)		(0x3018 + (x) * 0x100)
374 #define  MT7531_DIS_CLR			BIT(31)
375 
376 #define MT7530_GMACCR			0x30e0
377 #define  MAX_RX_JUMBO(x)		((x) << 2)
378 #define  MAX_RX_JUMBO_MASK		GENMASK(5, 2)
379 #define  MAX_RX_PKT_LEN_MASK		GENMASK(1, 0)
380 #define  MAX_RX_PKT_LEN_1522		0x0
381 #define  MAX_RX_PKT_LEN_1536		0x1
382 #define  MAX_RX_PKT_LEN_1552		0x2
383 #define  MAX_RX_PKT_LEN_JUMBO		0x3
384 
385 /* Register for MIB */
386 #define MT7530_PORT_MIB_COUNTER(x)	(0x4000 + (x) * 0x100)
387 #define MT7530_MIB_CCR			0x4fe0
388 #define  CCR_MIB_ENABLE			BIT(31)
389 #define  CCR_RX_OCT_CNT_GOOD		BIT(7)
390 #define  CCR_RX_OCT_CNT_BAD		BIT(6)
391 #define  CCR_TX_OCT_CNT_GOOD		BIT(5)
392 #define  CCR_TX_OCT_CNT_BAD		BIT(4)
393 #define  CCR_MIB_FLUSH			(CCR_RX_OCT_CNT_GOOD | \
394 					 CCR_RX_OCT_CNT_BAD | \
395 					 CCR_TX_OCT_CNT_GOOD | \
396 					 CCR_TX_OCT_CNT_BAD)
397 #define  CCR_MIB_ACTIVATE		(CCR_MIB_ENABLE | \
398 					 CCR_RX_OCT_CNT_GOOD | \
399 					 CCR_RX_OCT_CNT_BAD | \
400 					 CCR_TX_OCT_CNT_GOOD | \
401 					 CCR_TX_OCT_CNT_BAD)
402 
403 /* MT7531 SGMII register group */
404 #define MT7531_SGMII_REG_BASE(p)	(0x5000 + ((p) - 5) * 0x1000)
405 #define MT7531_PHYA_CTRL_SIGNAL3	0x128
406 
407 /* Register for system reset */
408 #define MT7530_SYS_CTRL			0x7000
409 #define  SYS_CTRL_PHY_RST		BIT(2)
410 #define  SYS_CTRL_SW_RST		BIT(1)
411 #define  SYS_CTRL_REG_RST		BIT(0)
412 
413 /* Register for system interrupt */
414 #define MT7530_SYS_INT_EN		0x7008
415 
416 /* Register for system interrupt status */
417 #define MT7530_SYS_INT_STS		0x700c
418 
419 /* Register for PHY Indirect Access Control */
420 #define MT7531_PHY_IAC			0x701C
421 #define  MT7531_PHY_ACS_ST		BIT(31)
422 #define  MT7531_MDIO_REG_ADDR_MASK	(0x1f << 25)
423 #define  MT7531_MDIO_PHY_ADDR_MASK	(0x1f << 20)
424 #define  MT7531_MDIO_CMD_MASK		(0x3 << 18)
425 #define  MT7531_MDIO_ST_MASK		(0x3 << 16)
426 #define  MT7531_MDIO_RW_DATA_MASK	(0xffff)
427 #define  MT7531_MDIO_REG_ADDR(x)	(((x) & 0x1f) << 25)
428 #define  MT7531_MDIO_DEV_ADDR(x)	(((x) & 0x1f) << 25)
429 #define  MT7531_MDIO_PHY_ADDR(x)	(((x) & 0x1f) << 20)
430 #define  MT7531_MDIO_CMD(x)		(((x) & 0x3) << 18)
431 #define  MT7531_MDIO_ST(x)		(((x) & 0x3) << 16)
432 
433 enum mt7531_phy_iac_cmd {
434 	MT7531_MDIO_ADDR = 0,
435 	MT7531_MDIO_WRITE = 1,
436 	MT7531_MDIO_READ = 2,
437 	MT7531_MDIO_READ_CL45 = 3,
438 };
439 
440 /* MDIO_ST: MDIO start field */
441 enum mt7531_mdio_st {
442 	MT7531_MDIO_ST_CL45 = 0,
443 	MT7531_MDIO_ST_CL22 = 1,
444 };
445 
446 #define  MT7531_MDIO_CL22_READ		(MT7531_MDIO_ST(MT7531_MDIO_ST_CL22) | \
447 					 MT7531_MDIO_CMD(MT7531_MDIO_READ))
448 #define  MT7531_MDIO_CL22_WRITE		(MT7531_MDIO_ST(MT7531_MDIO_ST_CL22) | \
449 					 MT7531_MDIO_CMD(MT7531_MDIO_WRITE))
450 #define  MT7531_MDIO_CL45_ADDR		(MT7531_MDIO_ST(MT7531_MDIO_ST_CL45) | \
451 					 MT7531_MDIO_CMD(MT7531_MDIO_ADDR))
452 #define  MT7531_MDIO_CL45_READ		(MT7531_MDIO_ST(MT7531_MDIO_ST_CL45) | \
453 					 MT7531_MDIO_CMD(MT7531_MDIO_READ))
454 #define  MT7531_MDIO_CL45_WRITE		(MT7531_MDIO_ST(MT7531_MDIO_ST_CL45) | \
455 					 MT7531_MDIO_CMD(MT7531_MDIO_WRITE))
456 
457 /* Register for RGMII clock phase */
458 #define MT7531_CLKGEN_CTRL		0x7500
459 #define  CLK_SKEW_OUT(x)		(((x) & 0x3) << 8)
460 #define  CLK_SKEW_OUT_MASK		GENMASK(9, 8)
461 #define  CLK_SKEW_IN(x)			(((x) & 0x3) << 6)
462 #define  CLK_SKEW_IN_MASK		GENMASK(7, 6)
463 #define  RXCLK_NO_DELAY			BIT(5)
464 #define  TXCLK_NO_REVERSE		BIT(4)
465 #define  GP_MODE(x)			(((x) & 0x3) << 1)
466 #define  GP_MODE_MASK			GENMASK(2, 1)
467 #define  GP_CLK_EN			BIT(0)
468 
469 enum mt7531_gp_mode {
470 	MT7531_GP_MODE_RGMII = 0,
471 	MT7531_GP_MODE_MII = 1,
472 	MT7531_GP_MODE_REV_MII = 2
473 };
474 
475 enum mt7531_clk_skew {
476 	MT7531_CLK_SKEW_NO_CHG = 0,
477 	MT7531_CLK_SKEW_DLY_100PPS = 1,
478 	MT7531_CLK_SKEW_DLY_200PPS = 2,
479 	MT7531_CLK_SKEW_REVERSE = 3,
480 };
481 
482 /* Register for hw trap status */
483 #define MT7530_HWTRAP			0x7800
484 #define  HWTRAP_XTAL_MASK		(BIT(10) | BIT(9))
485 #define  HWTRAP_XTAL_25MHZ		(BIT(10) | BIT(9))
486 #define  HWTRAP_XTAL_40MHZ		(BIT(10))
487 #define  HWTRAP_XTAL_20MHZ		(BIT(9))
488 
489 #define MT7531_HWTRAP			0x7800
490 #define  HWTRAP_XTAL_FSEL_MASK		BIT(7)
491 #define  HWTRAP_XTAL_FSEL_25MHZ		BIT(7)
492 #define  HWTRAP_XTAL_FSEL_40MHZ		0
493 /* Unique fields of (M)HWSTRAP for MT7531 */
494 #define  XTAL_FSEL_S			7
495 #define  XTAL_FSEL_M			BIT(7)
496 #define  PHY_EN				BIT(6)
497 #define  CHG_STRAP			BIT(8)
498 
499 /* Register for hw trap modification */
500 #define MT7530_MHWTRAP			0x7804
501 #define  MHWTRAP_PHY0_SEL		BIT(20)
502 #define  MHWTRAP_MANUAL			BIT(16)
503 #define  MHWTRAP_P5_MAC_SEL		BIT(13)
504 #define  MHWTRAP_P6_DIS			BIT(8)
505 #define  MHWTRAP_P5_RGMII_MODE		BIT(7)
506 #define  MHWTRAP_P5_DIS			BIT(6)
507 #define  MHWTRAP_PHY_ACCESS		BIT(5)
508 
509 /* Register for TOP signal control */
510 #define MT7530_TOP_SIG_CTRL		0x7808
511 #define  TOP_SIG_CTRL_NORMAL		(BIT(17) | BIT(16))
512 
513 #define MT7531_TOP_SIG_SR		0x780c
514 #define  PAD_DUAL_SGMII_EN		BIT(1)
515 #define  PAD_MCM_SMI_EN			BIT(0)
516 
517 #define MT7530_IO_DRV_CR		0x7810
518 #define  P5_IO_CLK_DRV(x)		((x) & 0x3)
519 #define  P5_IO_DATA_DRV(x)		(((x) & 0x3) << 4)
520 
521 #define MT7531_CHIP_REV			0x781C
522 
523 #define MT7531_PLLGP_EN			0x7820
524 #define  EN_COREPLL			BIT(2)
525 #define  SW_CLKSW			BIT(1)
526 #define  SW_PLLGP			BIT(0)
527 
528 #define MT7530_P6ECR			0x7830
529 #define  P6_INTF_MODE_MASK		0x3
530 #define  P6_INTF_MODE(x)		((x) & 0x3)
531 
532 #define MT7531_PLLGP_CR0		0x78a8
533 #define  RG_COREPLL_EN			BIT(22)
534 #define  RG_COREPLL_POSDIV_S		23
535 #define  RG_COREPLL_POSDIV_M		0x3800000
536 #define  RG_COREPLL_SDM_PCW_S		1
537 #define  RG_COREPLL_SDM_PCW_M		0x3ffffe
538 #define  RG_COREPLL_SDM_PCW_CHG		BIT(0)
539 
540 /* Registers for RGMII and SGMII PLL clock */
541 #define MT7531_ANA_PLLGP_CR2		0x78b0
542 #define MT7531_ANA_PLLGP_CR5		0x78bc
543 
544 /* Registers for TRGMII on the both side */
545 #define MT7530_TRGMII_RCK_CTRL		0x7a00
546 #define  RX_RST				BIT(31)
547 #define  RXC_DQSISEL			BIT(30)
548 #define  DQSI1_TAP_MASK			(0x7f << 8)
549 #define  DQSI0_TAP_MASK			0x7f
550 #define  DQSI1_TAP(x)			(((x) & 0x7f) << 8)
551 #define  DQSI0_TAP(x)			((x) & 0x7f)
552 
553 #define MT7530_TRGMII_RCK_RTT		0x7a04
554 #define  DQS1_GATE			BIT(31)
555 #define  DQS0_GATE			BIT(30)
556 
557 #define MT7530_TRGMII_RD(x)		(0x7a10 + (x) * 8)
558 #define  BSLIP_EN			BIT(31)
559 #define  EDGE_CHK			BIT(30)
560 #define  RD_TAP_MASK			0x7f
561 #define  RD_TAP(x)			((x) & 0x7f)
562 
563 #define MT7530_TRGMII_TXCTRL		0x7a40
564 #define  TRAIN_TXEN			BIT(31)
565 #define  TXC_INV			BIT(30)
566 #define  TX_RST				BIT(28)
567 
568 #define MT7530_TRGMII_TD_ODT(i)		(0x7a54 + 8 * (i))
569 #define  TD_DM_DRVP(x)			((x) & 0xf)
570 #define  TD_DM_DRVN(x)			(((x) & 0xf) << 4)
571 
572 #define MT7530_TRGMII_TCK_CTRL		0x7a78
573 #define  TCK_TAP(x)			(((x) & 0xf) << 8)
574 
575 #define MT7530_P5RGMIIRXCR		0x7b00
576 #define  CSR_RGMII_EDGE_ALIGN		BIT(8)
577 #define  CSR_RGMII_RXC_0DEG_CFG(x)	((x) & 0xf)
578 
579 #define MT7530_P5RGMIITXCR		0x7b04
580 #define  CSR_RGMII_TXC_CFG(x)		((x) & 0x1f)
581 
582 /* Registers for GPIO mode */
583 #define MT7531_GPIO_MODE0		0x7c0c
584 #define  MT7531_GPIO0_MASK		GENMASK(3, 0)
585 #define  MT7531_GPIO0_INTERRUPT		1
586 
587 #define MT7531_GPIO_MODE1		0x7c10
588 #define  MT7531_GPIO11_RG_RXD2_MASK	GENMASK(15, 12)
589 #define  MT7531_EXT_P_MDC_11		(2 << 12)
590 #define  MT7531_GPIO12_RG_RXD3_MASK	GENMASK(19, 16)
591 #define  MT7531_EXT_P_MDIO_12		(2 << 16)
592 
593 /* Registers for LED GPIO control (MT7530 only)
594  * All registers follow this pattern:
595  * [ 2: 0]  port 0
596  * [ 6: 4]  port 1
597  * [10: 8]  port 2
598  * [14:12]  port 3
599  * [18:16]  port 4
600  */
601 
602 /* LED enable, 0: Disable, 1: Enable (Default) */
603 #define MT7530_LED_EN			0x7d00
604 /* LED mode, 0: GPIO mode, 1: PHY mode (Default) */
605 #define MT7530_LED_IO_MODE		0x7d04
606 /* GPIO direction, 0: Input, 1: Output */
607 #define MT7530_LED_GPIO_DIR		0x7d10
608 /* GPIO output enable, 0: Disable, 1: Enable */
609 #define MT7530_LED_GPIO_OE		0x7d14
610 /* GPIO value, 0: Low, 1: High */
611 #define MT7530_LED_GPIO_DATA		0x7d18
612 
613 #define MT7530_CREV			0x7ffc
614 #define  CHIP_NAME_SHIFT		16
615 #define  MT7530_ID			0x7530
616 
617 #define MT7531_CREV			0x781C
618 #define  CHIP_REV_M			0x0f
619 #define  MT7531_ID			0x7531
620 
621 /* Registers for core PLL access through mmd indirect */
622 #define CORE_PLL_GROUP2			0x401
623 #define  RG_SYSPLL_EN_NORMAL		BIT(15)
624 #define  RG_SYSPLL_VODEN		BIT(14)
625 #define  RG_SYSPLL_LF			BIT(13)
626 #define  RG_SYSPLL_RST_DLY(x)		(((x) & 0x3) << 12)
627 #define  RG_SYSPLL_LVROD_EN		BIT(10)
628 #define  RG_SYSPLL_PREDIV(x)		(((x) & 0x3) << 8)
629 #define  RG_SYSPLL_POSDIV(x)		(((x) & 0x3) << 5)
630 #define  RG_SYSPLL_FBKSEL		BIT(4)
631 #define  RT_SYSPLL_EN_AFE_OLT		BIT(0)
632 
633 #define CORE_PLL_GROUP4			0x403
634 #define  RG_SYSPLL_DDSFBK_EN		BIT(12)
635 #define  RG_SYSPLL_BIAS_EN		BIT(11)
636 #define  RG_SYSPLL_BIAS_LPF_EN		BIT(10)
637 #define  MT7531_RG_SYSPLL_DMY2		BIT(6)
638 #define  MT7531_PHY_PLL_OFF		BIT(5)
639 #define  MT7531_PHY_PLL_BYPASS_MODE	BIT(4)
640 
641 #define MT753X_CTRL_PHY_ADDR		0
642 
643 #define CORE_PLL_GROUP5			0x404
644 #define  RG_LCDDS_PCW_NCPO1(x)		((x) & 0xffff)
645 
646 #define CORE_PLL_GROUP6			0x405
647 #define  RG_LCDDS_PCW_NCPO0(x)		((x) & 0xffff)
648 
649 #define CORE_PLL_GROUP7			0x406
650 #define  RG_LCDDS_PWDB			BIT(15)
651 #define  RG_LCDDS_ISO_EN		BIT(13)
652 #define  RG_LCCDS_C(x)			(((x) & 0x7) << 4)
653 #define  RG_LCDDS_PCW_NCPO_CHG		BIT(3)
654 
655 #define CORE_PLL_GROUP10		0x409
656 #define  RG_LCDDS_SSC_DELTA(x)		((x) & 0xfff)
657 
658 #define CORE_PLL_GROUP11		0x40a
659 #define  RG_LCDDS_SSC_DELTA1(x)		((x) & 0xfff)
660 
661 #define CORE_GSWPLL_GRP1		0x40d
662 #define  RG_GSWPLL_PREDIV(x)		(((x) & 0x3) << 14)
663 #define  RG_GSWPLL_POSDIV_200M(x)	(((x) & 0x3) << 12)
664 #define  RG_GSWPLL_EN_PRE		BIT(11)
665 #define  RG_GSWPLL_FBKSEL		BIT(10)
666 #define  RG_GSWPLL_BP			BIT(9)
667 #define  RG_GSWPLL_BR			BIT(8)
668 #define  RG_GSWPLL_FBKDIV_200M(x)	((x) & 0xff)
669 
670 #define CORE_GSWPLL_GRP2		0x40e
671 #define  RG_GSWPLL_POSDIV_500M(x)	(((x) & 0x3) << 8)
672 #define  RG_GSWPLL_FBKDIV_500M(x)	((x) & 0xff)
673 
674 #define CORE_TRGMII_GSW_CLK_CG		0x410
675 #define  REG_GSWCK_EN			BIT(0)
676 #define  REG_TRGMIICK_EN		BIT(1)
677 
678 #define MIB_DESC(_s, _o, _n)	\
679 	{			\
680 		.size = (_s),	\
681 		.offset = (_o),	\
682 		.name = (_n),	\
683 	}
684 
685 struct mt7530_mib_desc {
686 	unsigned int size;
687 	unsigned int offset;
688 	const char *name;
689 };
690 
691 struct mt7530_fdb {
692 	u16 vid;
693 	u8 port_mask;
694 	u8 aging;
695 	u8 mac[6];
696 	bool noarp;
697 };
698 
699 /* struct mt7530_port -	This is the main data structure for holding the state
700  *			of the port.
701  * @enable:	The status used for show port is enabled or not.
702  * @pm:		The matrix used to show all connections with the port.
703  * @pvid:	The VLAN specified is to be considered a PVID at ingress.  Any
704  *		untagged frames will be assigned to the related VLAN.
705  * @sgmii_pcs:	Pointer to PCS instance for SerDes ports
706  */
707 struct mt7530_port {
708 	bool enable;
709 	u32 pm;
710 	u16 pvid;
711 	struct phylink_pcs *sgmii_pcs;
712 };
713 
714 /* Port 5 interface select definitions */
715 enum p5_interface_select {
716 	P5_DISABLED = 0,
717 	P5_INTF_SEL_PHY_P0,
718 	P5_INTF_SEL_PHY_P4,
719 	P5_INTF_SEL_GMAC5,
720 	P5_INTF_SEL_GMAC5_SGMII,
721 };
722 
723 struct mt7530_priv;
724 
725 struct mt753x_pcs {
726 	struct phylink_pcs pcs;
727 	struct mt7530_priv *priv;
728 	int port;
729 };
730 
731 /* struct mt753x_info -	This is the main data structure for holding the specific
732  *			part for each supported device
733  * @sw_setup:		Holding the handler to a device initialization
734  * @phy_read_c22:	Holding the way reading PHY port using C22
735  * @phy_write_c22:	Holding the way writing PHY port using C22
736  * @phy_read_c45:	Holding the way reading PHY port using C45
737  * @phy_write_c45:	Holding the way writing PHY port using C45
738  * @pad_setup:		Holding the way setting up the bus pad for a certain
739  *			MAC port
740  * @phy_mode_supported:	Check if the PHY type is being supported on a certain
741  *			port
742  * @mac_port_validate:	Holding the way to set addition validate type for a
743  *			certan MAC port
744  * @mac_port_config:	Holding the way setting up the PHY attribute to a
745  *			certain MAC port
746  */
747 struct mt753x_info {
748 	enum mt753x_id id;
749 
750 	const struct phylink_pcs_ops *pcs_ops;
751 
752 	int (*sw_setup)(struct dsa_switch *ds);
753 	int (*phy_read_c22)(struct mt7530_priv *priv, int port, int regnum);
754 	int (*phy_write_c22)(struct mt7530_priv *priv, int port, int regnum,
755 			     u16 val);
756 	int (*phy_read_c45)(struct mt7530_priv *priv, int port, int devad,
757 			    int regnum);
758 	int (*phy_write_c45)(struct mt7530_priv *priv, int port, int devad,
759 			     int regnum, u16 val);
760 	int (*pad_setup)(struct dsa_switch *ds, phy_interface_t interface);
761 	int (*cpu_port_config)(struct dsa_switch *ds, int port);
762 	void (*mac_port_get_caps)(struct dsa_switch *ds, int port,
763 				  struct phylink_config *config);
764 	void (*mac_port_validate)(struct dsa_switch *ds, int port,
765 				  phy_interface_t interface,
766 				  unsigned long *supported);
767 	int (*mac_port_config)(struct dsa_switch *ds, int port,
768 			       unsigned int mode,
769 			       phy_interface_t interface);
770 };
771 
772 /* struct mt7530_priv -	This is the main data structure for holding the state
773  *			of the driver
774  * @dev:		The device pointer
775  * @ds:			The pointer to the dsa core structure
776  * @bus:		The bus used for the device and built-in PHY
777  * @regmap:		The regmap instance representing all switch registers
778  * @rstc:		The pointer to reset control used by MCM
779  * @core_pwr:		The power supplied into the core
780  * @io_pwr:		The power supplied into the I/O
781  * @reset:		The descriptor for GPIO line tied to its reset pin
782  * @mcm:		Flag for distinguishing if standalone IC or module
783  *			coupling
784  * @ports:		Holding the state among ports
785  * @reg_mutex:		The lock for protecting among process accessing
786  *			registers
787  * @p6_interface	Holding the current port 6 interface
788  * @p5_intf_sel:	Holding the current port 5 interface select
789  * @irq:		IRQ number of the switch
790  * @irq_domain:		IRQ domain of the switch irq_chip
791  * @irq_enable:		IRQ enable bits, synced to SYS_INT_EN
792  * @create_sgmii:	Pointer to function creating SGMII PCS instance(s)
793  */
794 struct mt7530_priv {
795 	struct device		*dev;
796 	struct dsa_switch	*ds;
797 	struct mii_bus		*bus;
798 	struct regmap		*regmap;
799 	struct reset_control	*rstc;
800 	struct regulator	*core_pwr;
801 	struct regulator	*io_pwr;
802 	struct gpio_desc	*reset;
803 	const struct mt753x_info *info;
804 	unsigned int		id;
805 	bool			mcm;
806 	phy_interface_t		p6_interface;
807 	phy_interface_t		p5_interface;
808 	unsigned int		p5_intf_sel;
809 	u8			mirror_rx;
810 	u8			mirror_tx;
811 	struct mt7530_port	ports[MT7530_NUM_PORTS];
812 	struct mt753x_pcs	pcs[MT7530_NUM_PORTS];
813 	/* protect among processes for registers access*/
814 	struct mutex reg_mutex;
815 	int irq;
816 	struct irq_domain *irq_domain;
817 	u32 irq_enable;
818 	int (*create_sgmii)(struct mt7530_priv *priv, bool dual_sgmii);
819 };
820 
821 struct mt7530_hw_vlan_entry {
822 	int port;
823 	u8  old_members;
824 	bool untagged;
825 };
826 
827 static inline void mt7530_hw_vlan_entry_init(struct mt7530_hw_vlan_entry *e,
828 					     int port, bool untagged)
829 {
830 	e->port = port;
831 	e->untagged = untagged;
832 }
833 
834 typedef void (*mt7530_vlan_op)(struct mt7530_priv *,
835 			       struct mt7530_hw_vlan_entry *);
836 
837 struct mt7530_hw_stats {
838 	const char	*string;
839 	u16		reg;
840 	u8		sizeof_stat;
841 };
842 
843 struct mt7530_dummy_poll {
844 	struct mt7530_priv *priv;
845 	u32 reg;
846 };
847 
848 static inline void INIT_MT7530_DUMMY_POLL(struct mt7530_dummy_poll *p,
849 					  struct mt7530_priv *priv, u32 reg)
850 {
851 	p->priv = priv;
852 	p->reg = reg;
853 }
854 
855 int mt7530_probe_common(struct mt7530_priv *priv);
856 void mt7530_remove_common(struct mt7530_priv *priv);
857 
858 extern const struct dsa_switch_ops mt7530_switch_ops;
859 extern const struct mt753x_info mt753x_table[];
860 
861 #endif /* __MT7530_H */
862