xref: /linux/drivers/net/dsa/mt7530.h (revision da1d9caf95def6f0320819cf941c9fd1069ba9e1)
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_CPU_PORT			6
12 #define MT7530_NUM_FDB_RECORDS		2048
13 #define MT7530_ALL_MEMBERS		0xff
14 
15 #define MTK_HDR_LEN	4
16 #define MT7530_MAX_MTU	(15 * 1024 - ETH_HLEN - ETH_FCS_LEN - MTK_HDR_LEN)
17 
18 enum mt753x_id {
19 	ID_MT7530 = 0,
20 	ID_MT7621 = 1,
21 	ID_MT7531 = 2,
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 /* Registers to mac forward control for unknown frames */
36 #define MT7530_MFC			0x10
37 #define  BC_FFP(x)			(((x) & 0xff) << 24)
38 #define  BC_FFP_MASK			BC_FFP(~0)
39 #define  UNM_FFP(x)			(((x) & 0xff) << 16)
40 #define  UNM_FFP_MASK			UNM_FFP(~0)
41 #define  UNU_FFP(x)			(((x) & 0xff) << 8)
42 #define  UNU_FFP_MASK			UNU_FFP(~0)
43 #define  CPU_EN				BIT(7)
44 #define  CPU_PORT(x)			((x) << 4)
45 #define  CPU_MASK			(0xf << 4)
46 #define  MIRROR_EN			BIT(3)
47 #define  MIRROR_PORT(x)			((x) & 0x7)
48 #define  MIRROR_MASK			0x7
49 
50 /* Registers for CPU forward control */
51 #define MT7531_CFC			0x4
52 #define  MT7531_MIRROR_EN		BIT(19)
53 #define  MT7531_MIRROR_MASK		(MIRROR_MASK << 16)
54 #define  MT7531_MIRROR_PORT_GET(x)	(((x) >> 16) & MIRROR_MASK)
55 #define  MT7531_MIRROR_PORT_SET(x)	(((x) & MIRROR_MASK) << 16)
56 #define  MT7531_CPU_PMAP_MASK		GENMASK(7, 0)
57 
58 #define MT753X_MIRROR_REG(id)		(((id) == ID_MT7531) ? \
59 					 MT7531_CFC : MT7530_MFC)
60 #define MT753X_MIRROR_EN(id)		(((id) == ID_MT7531) ? \
61 					 MT7531_MIRROR_EN : MIRROR_EN)
62 #define MT753X_MIRROR_MASK(id)		(((id) == ID_MT7531) ? \
63 					 MT7531_MIRROR_MASK : MIRROR_MASK)
64 
65 /* Registers for BPDU and PAE frame control*/
66 #define MT753X_BPC			0x24
67 #define  MT753X_BPDU_PORT_FW_MASK	GENMASK(2, 0)
68 
69 enum mt753x_bpdu_port_fw {
70 	MT753X_BPDU_FOLLOW_MFC,
71 	MT753X_BPDU_CPU_EXCLUDE = 4,
72 	MT753X_BPDU_CPU_INCLUDE = 5,
73 	MT753X_BPDU_CPU_ONLY = 6,
74 	MT753X_BPDU_DROP = 7,
75 };
76 
77 /* Registers for address table access */
78 #define MT7530_ATA1			0x74
79 #define  STATIC_EMP			0
80 #define  STATIC_ENT			3
81 #define MT7530_ATA2			0x78
82 #define  ATA2_IVL			BIT(15)
83 #define  ATA2_FID(x)			(((x) & 0x7) << 12)
84 
85 /* Register for address table write data */
86 #define MT7530_ATWD			0x7c
87 
88 /* Register for address table control */
89 #define MT7530_ATC			0x80
90 #define  ATC_HASH			(((x) & 0xfff) << 16)
91 #define  ATC_BUSY			BIT(15)
92 #define  ATC_SRCH_END			BIT(14)
93 #define  ATC_SRCH_HIT			BIT(13)
94 #define  ATC_INVALID			BIT(12)
95 #define  ATC_MAT(x)			(((x) & 0xf) << 8)
96 #define  ATC_MAT_MACTAB			ATC_MAT(0)
97 
98 enum mt7530_fdb_cmd {
99 	MT7530_FDB_READ	= 0,
100 	MT7530_FDB_WRITE = 1,
101 	MT7530_FDB_FLUSH = 2,
102 	MT7530_FDB_START = 4,
103 	MT7530_FDB_NEXT = 5,
104 };
105 
106 /* Registers for table search read address */
107 #define MT7530_TSRA1			0x84
108 #define  MAC_BYTE_0			24
109 #define  MAC_BYTE_1			16
110 #define  MAC_BYTE_2			8
111 #define  MAC_BYTE_3			0
112 #define  MAC_BYTE_MASK			0xff
113 
114 #define MT7530_TSRA2			0x88
115 #define  MAC_BYTE_4			24
116 #define  MAC_BYTE_5			16
117 #define  CVID				0
118 #define  CVID_MASK			0xfff
119 
120 #define MT7530_ATRD			0x8C
121 #define	 AGE_TIMER			24
122 #define  AGE_TIMER_MASK			0xff
123 #define  PORT_MAP			4
124 #define  PORT_MAP_MASK			0xff
125 #define  ENT_STATUS			2
126 #define  ENT_STATUS_MASK		0x3
127 
128 /* Register for vlan table control */
129 #define MT7530_VTCR			0x90
130 #define  VTCR_BUSY			BIT(31)
131 #define  VTCR_INVALID			BIT(16)
132 #define  VTCR_FUNC(x)			(((x) & 0xf) << 12)
133 #define  VTCR_VID			((x) & 0xfff)
134 
135 enum mt7530_vlan_cmd {
136 	/* Read/Write the specified VID entry from VAWD register based
137 	 * on VID.
138 	 */
139 	MT7530_VTCR_RD_VID = 0,
140 	MT7530_VTCR_WR_VID = 1,
141 };
142 
143 /* Register for setup vlan and acl write data */
144 #define MT7530_VAWD1			0x94
145 #define  PORT_STAG			BIT(31)
146 /* Independent VLAN Learning */
147 #define  IVL_MAC			BIT(30)
148 /* Egress Tag Consistent */
149 #define  EG_CON				BIT(29)
150 /* Per VLAN Egress Tag Control */
151 #define  VTAG_EN			BIT(28)
152 /* VLAN Member Control */
153 #define  PORT_MEM(x)			(((x) & 0xff) << 16)
154 /* Filter ID */
155 #define  FID(x)				(((x) & 0x7) << 1)
156 /* VLAN Entry Valid */
157 #define  VLAN_VALID			BIT(0)
158 #define  PORT_MEM_SHFT			16
159 #define  PORT_MEM_MASK			0xff
160 
161 enum mt7530_fid {
162 	FID_STANDALONE = 0,
163 	FID_BRIDGED = 1,
164 };
165 
166 #define MT7530_VAWD2			0x98
167 /* Egress Tag Control */
168 #define  ETAG_CTRL_P(p, x)		(((x) & 0x3) << ((p) << 1))
169 #define  ETAG_CTRL_P_MASK(p)		ETAG_CTRL_P(p, 3)
170 
171 enum mt7530_vlan_egress_attr {
172 	MT7530_VLAN_EGRESS_UNTAG = 0,
173 	MT7530_VLAN_EGRESS_TAG = 2,
174 	MT7530_VLAN_EGRESS_STACK = 3,
175 };
176 
177 /* Register for address age control */
178 #define MT7530_AAC			0xa0
179 /* Disable ageing */
180 #define  AGE_DIS			BIT(20)
181 /* Age count */
182 #define  AGE_CNT_MASK			GENMASK(19, 12)
183 #define  AGE_CNT_MAX			0xff
184 #define  AGE_CNT(x)			(AGE_CNT_MASK & ((x) << 12))
185 /* Age unit */
186 #define  AGE_UNIT_MASK			GENMASK(11, 0)
187 #define  AGE_UNIT_MAX			0xfff
188 #define  AGE_UNIT(x)			(AGE_UNIT_MASK & (x))
189 
190 /* Register for port STP state control */
191 #define MT7530_SSP_P(x)			(0x2000 + ((x) * 0x100))
192 #define  FID_PST(fid, state)		(((state) & 0x3) << ((fid) * 2))
193 #define  FID_PST_MASK(fid)		FID_PST(fid, 0x3)
194 
195 enum mt7530_stp_state {
196 	MT7530_STP_DISABLED = 0,
197 	MT7530_STP_BLOCKING = 1,
198 	MT7530_STP_LISTENING = 1,
199 	MT7530_STP_LEARNING = 2,
200 	MT7530_STP_FORWARDING  = 3
201 };
202 
203 /* Register for port control */
204 #define MT7530_PCR_P(x)			(0x2004 + ((x) * 0x100))
205 #define  PORT_TX_MIR			BIT(9)
206 #define  PORT_RX_MIR			BIT(8)
207 #define  PORT_VLAN(x)			((x) & 0x3)
208 
209 enum mt7530_port_mode {
210 	/* Port Matrix Mode: Frames are forwarded by the PCR_MATRIX members. */
211 	MT7530_PORT_MATRIX_MODE = PORT_VLAN(0),
212 
213 	/* Fallback Mode: Forward received frames with ingress ports that do
214 	 * not belong to the VLAN member. Frames whose VID is not listed on
215 	 * the VLAN table are forwarded by the PCR_MATRIX members.
216 	 */
217 	MT7530_PORT_FALLBACK_MODE = PORT_VLAN(1),
218 
219 	/* Security Mode: Discard any frame due to ingress membership
220 	 * violation or VID missed on the VLAN table.
221 	 */
222 	MT7530_PORT_SECURITY_MODE = PORT_VLAN(3),
223 };
224 
225 #define  PCR_MATRIX(x)			(((x) & 0xff) << 16)
226 #define  PORT_PRI(x)			(((x) & 0x7) << 24)
227 #define  EG_TAG(x)			(((x) & 0x3) << 28)
228 #define  PCR_MATRIX_MASK		PCR_MATRIX(0xff)
229 #define  PCR_MATRIX_CLR			PCR_MATRIX(0)
230 #define  PCR_PORT_VLAN_MASK		PORT_VLAN(3)
231 
232 /* Register for port security control */
233 #define MT7530_PSC_P(x)			(0x200c + ((x) * 0x100))
234 #define  SA_DIS				BIT(4)
235 
236 /* Register for port vlan control */
237 #define MT7530_PVC_P(x)			(0x2010 + ((x) * 0x100))
238 #define  PORT_SPEC_TAG			BIT(5)
239 #define  PVC_EG_TAG(x)			(((x) & 0x7) << 8)
240 #define  PVC_EG_TAG_MASK		PVC_EG_TAG(7)
241 #define  VLAN_ATTR(x)			(((x) & 0x3) << 6)
242 #define  VLAN_ATTR_MASK			VLAN_ATTR(3)
243 #define  ACC_FRM_MASK			GENMASK(1, 0)
244 
245 enum mt7530_vlan_port_eg_tag {
246 	MT7530_VLAN_EG_DISABLED = 0,
247 	MT7530_VLAN_EG_CONSISTENT = 1,
248 };
249 
250 enum mt7530_vlan_port_attr {
251 	MT7530_VLAN_USER = 0,
252 	MT7530_VLAN_TRANSPARENT = 3,
253 };
254 
255 enum mt7530_vlan_port_acc_frm {
256 	MT7530_VLAN_ACC_ALL = 0,
257 	MT7530_VLAN_ACC_TAGGED = 1,
258 	MT7530_VLAN_ACC_UNTAGGED = 2,
259 };
260 
261 #define  STAG_VPID			(((x) & 0xffff) << 16)
262 
263 /* Register for port port-and-protocol based vlan 1 control */
264 #define MT7530_PPBV1_P(x)		(0x2014 + ((x) * 0x100))
265 #define  G0_PORT_VID(x)			(((x) & 0xfff) << 0)
266 #define  G0_PORT_VID_MASK		G0_PORT_VID(0xfff)
267 #define  G0_PORT_VID_DEF		G0_PORT_VID(0)
268 
269 /* Register for port MAC control register */
270 #define MT7530_PMCR_P(x)		(0x3000 + ((x) * 0x100))
271 #define  PMCR_IFG_XMIT(x)		(((x) & 0x3) << 18)
272 #define  PMCR_EXT_PHY			BIT(17)
273 #define  PMCR_MAC_MODE			BIT(16)
274 #define  PMCR_FORCE_MODE		BIT(15)
275 #define  PMCR_TX_EN			BIT(14)
276 #define  PMCR_RX_EN			BIT(13)
277 #define  PMCR_BACKOFF_EN		BIT(9)
278 #define  PMCR_BACKPR_EN			BIT(8)
279 #define  PMCR_FORCE_EEE1G		BIT(7)
280 #define  PMCR_FORCE_EEE100		BIT(6)
281 #define  PMCR_TX_FC_EN			BIT(5)
282 #define  PMCR_RX_FC_EN			BIT(4)
283 #define  PMCR_FORCE_SPEED_1000		BIT(3)
284 #define  PMCR_FORCE_SPEED_100		BIT(2)
285 #define  PMCR_FORCE_FDX			BIT(1)
286 #define  PMCR_FORCE_LNK			BIT(0)
287 #define  PMCR_SPEED_MASK		(PMCR_FORCE_SPEED_100 | \
288 					 PMCR_FORCE_SPEED_1000)
289 #define  MT7531_FORCE_LNK		BIT(31)
290 #define  MT7531_FORCE_SPD		BIT(30)
291 #define  MT7531_FORCE_DPX		BIT(29)
292 #define  MT7531_FORCE_RX_FC		BIT(28)
293 #define  MT7531_FORCE_TX_FC		BIT(27)
294 #define  MT7531_FORCE_MODE		(MT7531_FORCE_LNK | \
295 					 MT7531_FORCE_SPD | \
296 					 MT7531_FORCE_DPX | \
297 					 MT7531_FORCE_RX_FC | \
298 					 MT7531_FORCE_TX_FC)
299 #define  PMCR_FORCE_MODE_ID(id)		(((id) == ID_MT7531) ? \
300 					 MT7531_FORCE_MODE : \
301 					 PMCR_FORCE_MODE)
302 #define  PMCR_LINK_SETTINGS_MASK	(PMCR_TX_EN | PMCR_FORCE_SPEED_1000 | \
303 					 PMCR_RX_EN | PMCR_FORCE_SPEED_100 | \
304 					 PMCR_TX_FC_EN | PMCR_RX_FC_EN | \
305 					 PMCR_FORCE_FDX | PMCR_FORCE_LNK | \
306 					 PMCR_FORCE_EEE1G | PMCR_FORCE_EEE100)
307 #define  PMCR_CPU_PORT_SETTING(id)	(PMCR_FORCE_MODE_ID((id)) | \
308 					 PMCR_IFG_XMIT(1) | PMCR_MAC_MODE | \
309 					 PMCR_BACKOFF_EN | PMCR_BACKPR_EN | \
310 					 PMCR_TX_EN | PMCR_RX_EN | \
311 					 PMCR_TX_FC_EN | PMCR_RX_FC_EN | \
312 					 PMCR_FORCE_SPEED_1000 | \
313 					 PMCR_FORCE_FDX | PMCR_FORCE_LNK)
314 
315 #define MT7530_PMEEECR_P(x)		(0x3004 + (x) * 0x100)
316 #define  WAKEUP_TIME_1000(x)		(((x) & 0xFF) << 24)
317 #define  WAKEUP_TIME_100(x)		(((x) & 0xFF) << 16)
318 #define  LPI_THRESH_MASK		GENMASK(15, 4)
319 #define  LPI_THRESH_SHT			4
320 #define  SET_LPI_THRESH(x)		(((x) << LPI_THRESH_SHT) & LPI_THRESH_MASK)
321 #define  GET_LPI_THRESH(x)		(((x) & LPI_THRESH_MASK) >> LPI_THRESH_SHT)
322 #define  LPI_MODE_EN			BIT(0)
323 
324 #define MT7530_PMSR_P(x)		(0x3008 + (x) * 0x100)
325 #define  PMSR_EEE1G			BIT(7)
326 #define  PMSR_EEE100M			BIT(6)
327 #define  PMSR_RX_FC			BIT(5)
328 #define  PMSR_TX_FC			BIT(4)
329 #define  PMSR_SPEED_1000		BIT(3)
330 #define  PMSR_SPEED_100			BIT(2)
331 #define  PMSR_SPEED_10			0x00
332 #define  PMSR_SPEED_MASK		(PMSR_SPEED_100 | PMSR_SPEED_1000)
333 #define  PMSR_DPX			BIT(1)
334 #define  PMSR_LINK			BIT(0)
335 
336 /* Register for port debug count */
337 #define MT7531_DBG_CNT(x)		(0x3018 + (x) * 0x100)
338 #define  MT7531_DIS_CLR			BIT(31)
339 
340 #define MT7530_GMACCR			0x30e0
341 #define  MAX_RX_JUMBO(x)		((x) << 2)
342 #define  MAX_RX_JUMBO_MASK		GENMASK(5, 2)
343 #define  MAX_RX_PKT_LEN_MASK		GENMASK(1, 0)
344 #define  MAX_RX_PKT_LEN_1522		0x0
345 #define  MAX_RX_PKT_LEN_1536		0x1
346 #define  MAX_RX_PKT_LEN_1552		0x2
347 #define  MAX_RX_PKT_LEN_JUMBO		0x3
348 
349 /* Register for MIB */
350 #define MT7530_PORT_MIB_COUNTER(x)	(0x4000 + (x) * 0x100)
351 #define MT7530_MIB_CCR			0x4fe0
352 #define  CCR_MIB_ENABLE			BIT(31)
353 #define  CCR_RX_OCT_CNT_GOOD		BIT(7)
354 #define  CCR_RX_OCT_CNT_BAD		BIT(6)
355 #define  CCR_TX_OCT_CNT_GOOD		BIT(5)
356 #define  CCR_TX_OCT_CNT_BAD		BIT(4)
357 #define  CCR_MIB_FLUSH			(CCR_RX_OCT_CNT_GOOD | \
358 					 CCR_RX_OCT_CNT_BAD | \
359 					 CCR_TX_OCT_CNT_GOOD | \
360 					 CCR_TX_OCT_CNT_BAD)
361 #define  CCR_MIB_ACTIVATE		(CCR_MIB_ENABLE | \
362 					 CCR_RX_OCT_CNT_GOOD | \
363 					 CCR_RX_OCT_CNT_BAD | \
364 					 CCR_TX_OCT_CNT_GOOD | \
365 					 CCR_TX_OCT_CNT_BAD)
366 
367 /* MT7531 SGMII register group */
368 #define MT7531_SGMII_REG_BASE		0x5000
369 #define MT7531_SGMII_REG(p, r)		(MT7531_SGMII_REG_BASE + \
370 					((p) - 5) * 0x1000 + (r))
371 
372 /* Register forSGMII PCS_CONTROL_1 */
373 #define MT7531_PCS_CONTROL_1(p)		MT7531_SGMII_REG(p, 0x00)
374 #define  MT7531_SGMII_LINK_STATUS	BIT(18)
375 #define  MT7531_SGMII_AN_ENABLE		BIT(12)
376 #define  MT7531_SGMII_AN_RESTART	BIT(9)
377 
378 /* Register for SGMII PCS_SPPED_ABILITY */
379 #define MT7531_PCS_SPEED_ABILITY(p)	MT7531_SGMII_REG(p, 0x08)
380 #define  MT7531_SGMII_TX_CONFIG_MASK	GENMASK(15, 0)
381 #define  MT7531_SGMII_TX_CONFIG		BIT(0)
382 
383 /* Register for SGMII_MODE */
384 #define MT7531_SGMII_MODE(p)		MT7531_SGMII_REG(p, 0x20)
385 #define  MT7531_SGMII_REMOTE_FAULT_DIS	BIT(8)
386 #define  MT7531_SGMII_IF_MODE_MASK	GENMASK(5, 1)
387 #define  MT7531_SGMII_FORCE_DUPLEX	BIT(4)
388 #define  MT7531_SGMII_FORCE_SPEED_MASK	GENMASK(3, 2)
389 #define  MT7531_SGMII_FORCE_SPEED_1000	BIT(3)
390 #define  MT7531_SGMII_FORCE_SPEED_100	BIT(2)
391 #define  MT7531_SGMII_FORCE_SPEED_10	0
392 #define  MT7531_SGMII_SPEED_DUPLEX_AN	BIT(1)
393 
394 enum mt7531_sgmii_force_duplex {
395 	MT7531_SGMII_FORCE_FULL_DUPLEX = 0,
396 	MT7531_SGMII_FORCE_HALF_DUPLEX = 0x10,
397 };
398 
399 /* Fields of QPHY_PWR_STATE_CTRL */
400 #define MT7531_QPHY_PWR_STATE_CTRL(p)	MT7531_SGMII_REG(p, 0xe8)
401 #define  MT7531_SGMII_PHYA_PWD		BIT(4)
402 
403 /* Values of SGMII SPEED */
404 #define MT7531_PHYA_CTRL_SIGNAL3(p)	MT7531_SGMII_REG(p, 0x128)
405 #define  MT7531_RG_TPHY_SPEED_MASK	(BIT(2) | BIT(3))
406 #define  MT7531_RG_TPHY_SPEED_1_25G	0x0
407 #define  MT7531_RG_TPHY_SPEED_3_125G	BIT(2)
408 
409 /* Register for system reset */
410 #define MT7530_SYS_CTRL			0x7000
411 #define  SYS_CTRL_PHY_RST		BIT(2)
412 #define  SYS_CTRL_SW_RST		BIT(1)
413 #define  SYS_CTRL_REG_RST		BIT(0)
414 
415 /* Register for system interrupt */
416 #define MT7530_SYS_INT_EN		0x7008
417 
418 /* Register for system interrupt status */
419 #define MT7530_SYS_INT_STS		0x700c
420 
421 /* Register for PHY Indirect Access Control */
422 #define MT7531_PHY_IAC			0x701C
423 #define  MT7531_PHY_ACS_ST		BIT(31)
424 #define  MT7531_MDIO_REG_ADDR_MASK	(0x1f << 25)
425 #define  MT7531_MDIO_PHY_ADDR_MASK	(0x1f << 20)
426 #define  MT7531_MDIO_CMD_MASK		(0x3 << 18)
427 #define  MT7531_MDIO_ST_MASK		(0x3 << 16)
428 #define  MT7531_MDIO_RW_DATA_MASK	(0xffff)
429 #define  MT7531_MDIO_REG_ADDR(x)	(((x) & 0x1f) << 25)
430 #define  MT7531_MDIO_DEV_ADDR(x)	(((x) & 0x1f) << 25)
431 #define  MT7531_MDIO_PHY_ADDR(x)	(((x) & 0x1f) << 20)
432 #define  MT7531_MDIO_CMD(x)		(((x) & 0x3) << 18)
433 #define  MT7531_MDIO_ST(x)		(((x) & 0x3) << 16)
434 
435 enum mt7531_phy_iac_cmd {
436 	MT7531_MDIO_ADDR = 0,
437 	MT7531_MDIO_WRITE = 1,
438 	MT7531_MDIO_READ = 2,
439 	MT7531_MDIO_READ_CL45 = 3,
440 };
441 
442 /* MDIO_ST: MDIO start field */
443 enum mt7531_mdio_st {
444 	MT7531_MDIO_ST_CL45 = 0,
445 	MT7531_MDIO_ST_CL22 = 1,
446 };
447 
448 #define  MT7531_MDIO_CL22_READ		(MT7531_MDIO_ST(MT7531_MDIO_ST_CL22) | \
449 					 MT7531_MDIO_CMD(MT7531_MDIO_READ))
450 #define  MT7531_MDIO_CL22_WRITE		(MT7531_MDIO_ST(MT7531_MDIO_ST_CL22) | \
451 					 MT7531_MDIO_CMD(MT7531_MDIO_WRITE))
452 #define  MT7531_MDIO_CL45_ADDR		(MT7531_MDIO_ST(MT7531_MDIO_ST_CL45) | \
453 					 MT7531_MDIO_CMD(MT7531_MDIO_ADDR))
454 #define  MT7531_MDIO_CL45_READ		(MT7531_MDIO_ST(MT7531_MDIO_ST_CL45) | \
455 					 MT7531_MDIO_CMD(MT7531_MDIO_READ))
456 #define  MT7531_MDIO_CL45_WRITE		(MT7531_MDIO_ST(MT7531_MDIO_ST_CL45) | \
457 					 MT7531_MDIO_CMD(MT7531_MDIO_WRITE))
458 
459 /* Register for RGMII clock phase */
460 #define MT7531_CLKGEN_CTRL		0x7500
461 #define  CLK_SKEW_OUT(x)		(((x) & 0x3) << 8)
462 #define  CLK_SKEW_OUT_MASK		GENMASK(9, 8)
463 #define  CLK_SKEW_IN(x)			(((x) & 0x3) << 6)
464 #define  CLK_SKEW_IN_MASK		GENMASK(7, 6)
465 #define  RXCLK_NO_DELAY			BIT(5)
466 #define  TXCLK_NO_REVERSE		BIT(4)
467 #define  GP_MODE(x)			(((x) & 0x3) << 1)
468 #define  GP_MODE_MASK			GENMASK(2, 1)
469 #define  GP_CLK_EN			BIT(0)
470 
471 enum mt7531_gp_mode {
472 	MT7531_GP_MODE_RGMII = 0,
473 	MT7531_GP_MODE_MII = 1,
474 	MT7531_GP_MODE_REV_MII = 2
475 };
476 
477 enum mt7531_clk_skew {
478 	MT7531_CLK_SKEW_NO_CHG = 0,
479 	MT7531_CLK_SKEW_DLY_100PPS = 1,
480 	MT7531_CLK_SKEW_DLY_200PPS = 2,
481 	MT7531_CLK_SKEW_REVERSE = 3,
482 };
483 
484 /* Register for hw trap status */
485 #define MT7530_HWTRAP			0x7800
486 #define  HWTRAP_XTAL_MASK		(BIT(10) | BIT(9))
487 #define  HWTRAP_XTAL_25MHZ		(BIT(10) | BIT(9))
488 #define  HWTRAP_XTAL_40MHZ		(BIT(10))
489 #define  HWTRAP_XTAL_20MHZ		(BIT(9))
490 
491 #define MT7531_HWTRAP			0x7800
492 #define  HWTRAP_XTAL_FSEL_MASK		BIT(7)
493 #define  HWTRAP_XTAL_FSEL_25MHZ		BIT(7)
494 #define  HWTRAP_XTAL_FSEL_40MHZ		0
495 /* Unique fields of (M)HWSTRAP for MT7531 */
496 #define  XTAL_FSEL_S			7
497 #define  XTAL_FSEL_M			BIT(7)
498 #define  PHY_EN				BIT(6)
499 #define  CHG_STRAP			BIT(8)
500 
501 /* Register for hw trap modification */
502 #define MT7530_MHWTRAP			0x7804
503 #define  MHWTRAP_PHY0_SEL		BIT(20)
504 #define  MHWTRAP_MANUAL			BIT(16)
505 #define  MHWTRAP_P5_MAC_SEL		BIT(13)
506 #define  MHWTRAP_P6_DIS			BIT(8)
507 #define  MHWTRAP_P5_RGMII_MODE		BIT(7)
508 #define  MHWTRAP_P5_DIS			BIT(6)
509 #define  MHWTRAP_PHY_ACCESS		BIT(5)
510 
511 /* Register for TOP signal control */
512 #define MT7530_TOP_SIG_CTRL		0x7808
513 #define  TOP_SIG_CTRL_NORMAL		(BIT(17) | BIT(16))
514 
515 #define MT7531_TOP_SIG_SR		0x780c
516 #define  PAD_DUAL_SGMII_EN		BIT(1)
517 #define  PAD_MCM_SMI_EN			BIT(0)
518 
519 #define MT7530_IO_DRV_CR		0x7810
520 #define  P5_IO_CLK_DRV(x)		((x) & 0x3)
521 #define  P5_IO_DATA_DRV(x)		(((x) & 0x3) << 4)
522 
523 #define MT7531_CHIP_REV			0x781C
524 
525 #define MT7531_PLLGP_EN			0x7820
526 #define  EN_COREPLL			BIT(2)
527 #define  SW_CLKSW			BIT(1)
528 #define  SW_PLLGP			BIT(0)
529 
530 #define MT7530_P6ECR			0x7830
531 #define  P6_INTF_MODE_MASK		0x3
532 #define  P6_INTF_MODE(x)		((x) & 0x3)
533 
534 #define MT7531_PLLGP_CR0		0x78a8
535 #define  RG_COREPLL_EN			BIT(22)
536 #define  RG_COREPLL_POSDIV_S		23
537 #define  RG_COREPLL_POSDIV_M		0x3800000
538 #define  RG_COREPLL_SDM_PCW_S		1
539 #define  RG_COREPLL_SDM_PCW_M		0x3ffffe
540 #define  RG_COREPLL_SDM_PCW_CHG		BIT(0)
541 
542 /* Registers for RGMII and SGMII PLL clock */
543 #define MT7531_ANA_PLLGP_CR2		0x78b0
544 #define MT7531_ANA_PLLGP_CR5		0x78bc
545 
546 /* Registers for TRGMII on the both side */
547 #define MT7530_TRGMII_RCK_CTRL		0x7a00
548 #define  RX_RST				BIT(31)
549 #define  RXC_DQSISEL			BIT(30)
550 #define  DQSI1_TAP_MASK			(0x7f << 8)
551 #define  DQSI0_TAP_MASK			0x7f
552 #define  DQSI1_TAP(x)			(((x) & 0x7f) << 8)
553 #define  DQSI0_TAP(x)			((x) & 0x7f)
554 
555 #define MT7530_TRGMII_RCK_RTT		0x7a04
556 #define  DQS1_GATE			BIT(31)
557 #define  DQS0_GATE			BIT(30)
558 
559 #define MT7530_TRGMII_RD(x)		(0x7a10 + (x) * 8)
560 #define  BSLIP_EN			BIT(31)
561 #define  EDGE_CHK			BIT(30)
562 #define  RD_TAP_MASK			0x7f
563 #define  RD_TAP(x)			((x) & 0x7f)
564 
565 #define MT7530_TRGMII_TXCTRL		0x7a40
566 #define  TRAIN_TXEN			BIT(31)
567 #define  TXC_INV			BIT(30)
568 #define  TX_RST				BIT(28)
569 
570 #define MT7530_TRGMII_TD_ODT(i)		(0x7a54 + 8 * (i))
571 #define  TD_DM_DRVP(x)			((x) & 0xf)
572 #define  TD_DM_DRVN(x)			(((x) & 0xf) << 4)
573 
574 #define MT7530_TRGMII_TCK_CTRL		0x7a78
575 #define  TCK_TAP(x)			(((x) & 0xf) << 8)
576 
577 #define MT7530_P5RGMIIRXCR		0x7b00
578 #define  CSR_RGMII_EDGE_ALIGN		BIT(8)
579 #define  CSR_RGMII_RXC_0DEG_CFG(x)	((x) & 0xf)
580 
581 #define MT7530_P5RGMIITXCR		0x7b04
582 #define  CSR_RGMII_TXC_CFG(x)		((x) & 0x1f)
583 
584 /* Registers for GPIO mode */
585 #define MT7531_GPIO_MODE0		0x7c0c
586 #define  MT7531_GPIO0_MASK		GENMASK(3, 0)
587 #define  MT7531_GPIO0_INTERRUPT		1
588 
589 #define MT7531_GPIO_MODE1		0x7c10
590 #define  MT7531_GPIO11_RG_RXD2_MASK	GENMASK(15, 12)
591 #define  MT7531_EXT_P_MDC_11		(2 << 12)
592 #define  MT7531_GPIO12_RG_RXD3_MASK	GENMASK(19, 16)
593 #define  MT7531_EXT_P_MDIO_12		(2 << 16)
594 
595 /* Registers for LED GPIO control (MT7530 only)
596  * All registers follow this pattern:
597  * [ 2: 0]  port 0
598  * [ 6: 4]  port 1
599  * [10: 8]  port 2
600  * [14:12]  port 3
601  * [18:16]  port 4
602  */
603 
604 /* LED enable, 0: Disable, 1: Enable (Default) */
605 #define MT7530_LED_EN			0x7d00
606 /* LED mode, 0: GPIO mode, 1: PHY mode (Default) */
607 #define MT7530_LED_IO_MODE		0x7d04
608 /* GPIO direction, 0: Input, 1: Output */
609 #define MT7530_LED_GPIO_DIR		0x7d10
610 /* GPIO output enable, 0: Disable, 1: Enable */
611 #define MT7530_LED_GPIO_OE		0x7d14
612 /* GPIO value, 0: Low, 1: High */
613 #define MT7530_LED_GPIO_DATA		0x7d18
614 
615 #define MT7530_CREV			0x7ffc
616 #define  CHIP_NAME_SHIFT		16
617 #define  MT7530_ID			0x7530
618 
619 #define MT7531_CREV			0x781C
620 #define  CHIP_REV_M			0x0f
621 #define  MT7531_ID			0x7531
622 
623 /* Registers for core PLL access through mmd indirect */
624 #define CORE_PLL_GROUP2			0x401
625 #define  RG_SYSPLL_EN_NORMAL		BIT(15)
626 #define  RG_SYSPLL_VODEN		BIT(14)
627 #define  RG_SYSPLL_LF			BIT(13)
628 #define  RG_SYSPLL_RST_DLY(x)		(((x) & 0x3) << 12)
629 #define  RG_SYSPLL_LVROD_EN		BIT(10)
630 #define  RG_SYSPLL_PREDIV(x)		(((x) & 0x3) << 8)
631 #define  RG_SYSPLL_POSDIV(x)		(((x) & 0x3) << 5)
632 #define  RG_SYSPLL_FBKSEL		BIT(4)
633 #define  RT_SYSPLL_EN_AFE_OLT		BIT(0)
634 
635 #define CORE_PLL_GROUP4			0x403
636 #define  RG_SYSPLL_DDSFBK_EN		BIT(12)
637 #define  RG_SYSPLL_BIAS_EN		BIT(11)
638 #define  RG_SYSPLL_BIAS_LPF_EN		BIT(10)
639 #define  MT7531_PHY_PLL_OFF		BIT(5)
640 #define  MT7531_PHY_PLL_BYPASS_MODE	BIT(4)
641 
642 #define MT753X_CTRL_PHY_ADDR		0
643 
644 #define CORE_PLL_GROUP5			0x404
645 #define  RG_LCDDS_PCW_NCPO1(x)		((x) & 0xffff)
646 
647 #define CORE_PLL_GROUP6			0x405
648 #define  RG_LCDDS_PCW_NCPO0(x)		((x) & 0xffff)
649 
650 #define CORE_PLL_GROUP7			0x406
651 #define  RG_LCDDS_PWDB			BIT(15)
652 #define  RG_LCDDS_ISO_EN		BIT(13)
653 #define  RG_LCCDS_C(x)			(((x) & 0x7) << 4)
654 #define  RG_LCDDS_PCW_NCPO_CHG		BIT(3)
655 
656 #define CORE_PLL_GROUP10		0x409
657 #define  RG_LCDDS_SSC_DELTA(x)		((x) & 0xfff)
658 
659 #define CORE_PLL_GROUP11		0x40a
660 #define  RG_LCDDS_SSC_DELTA1(x)		((x) & 0xfff)
661 
662 #define CORE_GSWPLL_GRP1		0x40d
663 #define  RG_GSWPLL_PREDIV(x)		(((x) & 0x3) << 14)
664 #define  RG_GSWPLL_POSDIV_200M(x)	(((x) & 0x3) << 12)
665 #define  RG_GSWPLL_EN_PRE		BIT(11)
666 #define  RG_GSWPLL_FBKSEL		BIT(10)
667 #define  RG_GSWPLL_BP			BIT(9)
668 #define  RG_GSWPLL_BR			BIT(8)
669 #define  RG_GSWPLL_FBKDIV_200M(x)	((x) & 0xff)
670 
671 #define CORE_GSWPLL_GRP2		0x40e
672 #define  RG_GSWPLL_POSDIV_500M(x)	(((x) & 0x3) << 8)
673 #define  RG_GSWPLL_FBKDIV_500M(x)	((x) & 0xff)
674 
675 #define CORE_TRGMII_GSW_CLK_CG		0x410
676 #define  REG_GSWCK_EN			BIT(0)
677 #define  REG_TRGMIICK_EN		BIT(1)
678 
679 #define MIB_DESC(_s, _o, _n)	\
680 	{			\
681 		.size = (_s),	\
682 		.offset = (_o),	\
683 		.name = (_n),	\
684 	}
685 
686 struct mt7530_mib_desc {
687 	unsigned int size;
688 	unsigned int offset;
689 	const char *name;
690 };
691 
692 struct mt7530_fdb {
693 	u16 vid;
694 	u8 port_mask;
695 	u8 aging;
696 	u8 mac[6];
697 	bool noarp;
698 };
699 
700 /* struct mt7530_port -	This is the main data structure for holding the state
701  *			of the port.
702  * @enable:	The status used for show port is enabled or not.
703  * @pm:		The matrix used to show all connections with the port.
704  * @pvid:	The VLAN specified is to be considered a PVID at ingress.  Any
705  *		untagged frames will be assigned to the related VLAN.
706  * @vlan_filtering: The flags indicating whether the port that can recognize
707  *		    VLAN-tagged frames.
708  */
709 struct mt7530_port {
710 	bool enable;
711 	u32 pm;
712 	u16 pvid;
713 };
714 
715 /* Port 5 interface select definitions */
716 enum p5_interface_select {
717 	P5_DISABLED = 0,
718 	P5_INTF_SEL_PHY_P0,
719 	P5_INTF_SEL_PHY_P4,
720 	P5_INTF_SEL_GMAC5,
721 	P5_INTF_SEL_GMAC5_SGMII,
722 };
723 
724 static const char *p5_intf_modes(unsigned int p5_interface)
725 {
726 	switch (p5_interface) {
727 	case P5_DISABLED:
728 		return "DISABLED";
729 	case P5_INTF_SEL_PHY_P0:
730 		return "PHY P0";
731 	case P5_INTF_SEL_PHY_P4:
732 		return "PHY P4";
733 	case P5_INTF_SEL_GMAC5:
734 		return "GMAC5";
735 	case P5_INTF_SEL_GMAC5_SGMII:
736 		return "GMAC5_SGMII";
737 	default:
738 		return "unknown";
739 	}
740 }
741 
742 struct mt7530_priv;
743 
744 struct mt753x_pcs {
745 	struct phylink_pcs pcs;
746 	struct mt7530_priv *priv;
747 	int port;
748 };
749 
750 /* struct mt753x_info -	This is the main data structure for holding the specific
751  *			part for each supported device
752  * @sw_setup:		Holding the handler to a device initialization
753  * @phy_read:		Holding the way reading PHY port
754  * @phy_write:		Holding the way writing PHY port
755  * @pad_setup:		Holding the way setting up the bus pad for a certain
756  *			MAC port
757  * @phy_mode_supported:	Check if the PHY type is being supported on a certain
758  *			port
759  * @mac_port_validate:	Holding the way to set addition validate type for a
760  *			certan MAC port
761  * @mac_port_config:	Holding the way setting up the PHY attribute to a
762  *			certain MAC port
763  */
764 struct mt753x_info {
765 	enum mt753x_id id;
766 
767 	const struct phylink_pcs_ops *pcs_ops;
768 
769 	int (*sw_setup)(struct dsa_switch *ds);
770 	int (*phy_read)(struct mt7530_priv *priv, int port, int regnum);
771 	int (*phy_write)(struct mt7530_priv *priv, int port, int regnum, u16 val);
772 	int (*pad_setup)(struct dsa_switch *ds, phy_interface_t interface);
773 	int (*cpu_port_config)(struct dsa_switch *ds, int port);
774 	void (*mac_port_get_caps)(struct dsa_switch *ds, int port,
775 				  struct phylink_config *config);
776 	void (*mac_port_validate)(struct dsa_switch *ds, int port,
777 				  phy_interface_t interface,
778 				  unsigned long *supported);
779 	int (*mac_port_config)(struct dsa_switch *ds, int port,
780 			       unsigned int mode,
781 			       phy_interface_t interface);
782 };
783 
784 /* struct mt7530_priv -	This is the main data structure for holding the state
785  *			of the driver
786  * @dev:		The device pointer
787  * @ds:			The pointer to the dsa core structure
788  * @bus:		The bus used for the device and built-in PHY
789  * @rstc:		The pointer to reset control used by MCM
790  * @core_pwr:		The power supplied into the core
791  * @io_pwr:		The power supplied into the I/O
792  * @reset:		The descriptor for GPIO line tied to its reset pin
793  * @mcm:		Flag for distinguishing if standalone IC or module
794  *			coupling
795  * @ports:		Holding the state among ports
796  * @reg_mutex:		The lock for protecting among process accessing
797  *			registers
798  * @p6_interface	Holding the current port 6 interface
799  * @p5_intf_sel:	Holding the current port 5 interface select
800  *
801  * @irq:		IRQ number of the switch
802  * @irq_domain:		IRQ domain of the switch irq_chip
803  * @irq_enable:		IRQ enable bits, synced to SYS_INT_EN
804  */
805 struct mt7530_priv {
806 	struct device		*dev;
807 	struct dsa_switch	*ds;
808 	struct mii_bus		*bus;
809 	struct reset_control	*rstc;
810 	struct regulator	*core_pwr;
811 	struct regulator	*io_pwr;
812 	struct gpio_desc	*reset;
813 	const struct mt753x_info *info;
814 	unsigned int		id;
815 	bool			mcm;
816 	phy_interface_t		p6_interface;
817 	phy_interface_t		p5_interface;
818 	unsigned int		p5_intf_sel;
819 	u8			mirror_rx;
820 	u8			mirror_tx;
821 
822 	struct mt7530_port	ports[MT7530_NUM_PORTS];
823 	struct mt753x_pcs	pcs[MT7530_NUM_PORTS];
824 	/* protect among processes for registers access*/
825 	struct mutex reg_mutex;
826 	int irq;
827 	struct irq_domain *irq_domain;
828 	u32 irq_enable;
829 };
830 
831 struct mt7530_hw_vlan_entry {
832 	int port;
833 	u8  old_members;
834 	bool untagged;
835 };
836 
837 static inline void mt7530_hw_vlan_entry_init(struct mt7530_hw_vlan_entry *e,
838 					     int port, bool untagged)
839 {
840 	e->port = port;
841 	e->untagged = untagged;
842 }
843 
844 typedef void (*mt7530_vlan_op)(struct mt7530_priv *,
845 			       struct mt7530_hw_vlan_entry *);
846 
847 struct mt7530_hw_stats {
848 	const char	*string;
849 	u16		reg;
850 	u8		sizeof_stat;
851 };
852 
853 struct mt7530_dummy_poll {
854 	struct mt7530_priv *priv;
855 	u32 reg;
856 };
857 
858 static inline void INIT_MT7530_DUMMY_POLL(struct mt7530_dummy_poll *p,
859 					  struct mt7530_priv *priv, u32 reg)
860 {
861 	p->priv = priv;
862 	p->reg = reg;
863 }
864 
865 #endif /* __MT7530_H */
866