xref: /linux/drivers/net/dsa/mt7530.h (revision be239684b18e1cdcafcf8c7face4a2f562c745ad)
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 /* 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 #define  MT7531_CPU_PMAP(x)		FIELD_PREP(MT7531_CPU_PMAP_MASK, x)
58 
59 #define MT753X_MIRROR_REG(id)		((((id) == ID_MT7531) || ((id) == ID_MT7988)) ?	\
60 					 MT7531_CFC : MT7530_MFC)
61 #define MT753X_MIRROR_EN(id)		((((id) == ID_MT7531) || ((id) == ID_MT7988)) ?	\
62 					 MT7531_MIRROR_EN : MIRROR_EN)
63 #define MT753X_MIRROR_MASK(id)		((((id) == ID_MT7531) || ((id) == ID_MT7988)) ?	\
64 					 MT7531_MIRROR_MASK : MIRROR_MASK)
65 
66 /* Registers for BPDU and PAE frame control*/
67 #define MT753X_BPC			0x24
68 #define  MT753X_BPDU_PORT_FW_MASK	GENMASK(2, 0)
69 #define  MT753X_PAE_PORT_FW_MASK	GENMASK(18, 16)
70 #define  MT753X_PAE_PORT_FW(x)		FIELD_PREP(MT753X_PAE_PORT_FW_MASK, x)
71 
72 /* Register for :03 and :0E MAC DA frame control */
73 #define MT753X_RGAC2			0x2c
74 #define  MT753X_R0E_PORT_FW_MASK	GENMASK(18, 16)
75 #define  MT753X_R0E_PORT_FW(x)		FIELD_PREP(MT753X_R0E_PORT_FW_MASK, x)
76 
77 enum mt753x_bpdu_port_fw {
78 	MT753X_BPDU_FOLLOW_MFC,
79 	MT753X_BPDU_CPU_EXCLUDE = 4,
80 	MT753X_BPDU_CPU_INCLUDE = 5,
81 	MT753X_BPDU_CPU_ONLY = 6,
82 	MT753X_BPDU_DROP = 7,
83 };
84 
85 /* Registers for address table access */
86 #define MT7530_ATA1			0x74
87 #define  STATIC_EMP			0
88 #define  STATIC_ENT			3
89 #define MT7530_ATA2			0x78
90 #define  ATA2_IVL			BIT(15)
91 #define  ATA2_FID(x)			(((x) & 0x7) << 12)
92 
93 /* Register for address table write data */
94 #define MT7530_ATWD			0x7c
95 
96 /* Register for address table control */
97 #define MT7530_ATC			0x80
98 #define  ATC_HASH			(((x) & 0xfff) << 16)
99 #define  ATC_BUSY			BIT(15)
100 #define  ATC_SRCH_END			BIT(14)
101 #define  ATC_SRCH_HIT			BIT(13)
102 #define  ATC_INVALID			BIT(12)
103 #define  ATC_MAT(x)			(((x) & 0xf) << 8)
104 #define  ATC_MAT_MACTAB			ATC_MAT(0)
105 
106 enum mt7530_fdb_cmd {
107 	MT7530_FDB_READ	= 0,
108 	MT7530_FDB_WRITE = 1,
109 	MT7530_FDB_FLUSH = 2,
110 	MT7530_FDB_START = 4,
111 	MT7530_FDB_NEXT = 5,
112 };
113 
114 /* Registers for table search read address */
115 #define MT7530_TSRA1			0x84
116 #define  MAC_BYTE_0			24
117 #define  MAC_BYTE_1			16
118 #define  MAC_BYTE_2			8
119 #define  MAC_BYTE_3			0
120 #define  MAC_BYTE_MASK			0xff
121 
122 #define MT7530_TSRA2			0x88
123 #define  MAC_BYTE_4			24
124 #define  MAC_BYTE_5			16
125 #define  CVID				0
126 #define  CVID_MASK			0xfff
127 
128 #define MT7530_ATRD			0x8C
129 #define	 AGE_TIMER			24
130 #define  AGE_TIMER_MASK			0xff
131 #define  PORT_MAP			4
132 #define  PORT_MAP_MASK			0xff
133 #define  ENT_STATUS			2
134 #define  ENT_STATUS_MASK		0x3
135 
136 /* Register for vlan table control */
137 #define MT7530_VTCR			0x90
138 #define  VTCR_BUSY			BIT(31)
139 #define  VTCR_INVALID			BIT(16)
140 #define  VTCR_FUNC(x)			(((x) & 0xf) << 12)
141 #define  VTCR_VID			((x) & 0xfff)
142 
143 enum mt7530_vlan_cmd {
144 	/* Read/Write the specified VID entry from VAWD register based
145 	 * on VID.
146 	 */
147 	MT7530_VTCR_RD_VID = 0,
148 	MT7530_VTCR_WR_VID = 1,
149 };
150 
151 /* Register for setup vlan and acl write data */
152 #define MT7530_VAWD1			0x94
153 #define  PORT_STAG			BIT(31)
154 /* Independent VLAN Learning */
155 #define  IVL_MAC			BIT(30)
156 /* Egress Tag Consistent */
157 #define  EG_CON				BIT(29)
158 /* Per VLAN Egress Tag Control */
159 #define  VTAG_EN			BIT(28)
160 /* VLAN Member Control */
161 #define  PORT_MEM(x)			(((x) & 0xff) << 16)
162 /* Filter ID */
163 #define  FID(x)				(((x) & 0x7) << 1)
164 /* VLAN Entry Valid */
165 #define  VLAN_VALID			BIT(0)
166 #define  PORT_MEM_SHFT			16
167 #define  PORT_MEM_MASK			0xff
168 
169 enum mt7530_fid {
170 	FID_STANDALONE = 0,
171 	FID_BRIDGED = 1,
172 };
173 
174 #define MT7530_VAWD2			0x98
175 /* Egress Tag Control */
176 #define  ETAG_CTRL_P(p, x)		(((x) & 0x3) << ((p) << 1))
177 #define  ETAG_CTRL_P_MASK(p)		ETAG_CTRL_P(p, 3)
178 
179 enum mt7530_vlan_egress_attr {
180 	MT7530_VLAN_EGRESS_UNTAG = 0,
181 	MT7530_VLAN_EGRESS_TAG = 2,
182 	MT7530_VLAN_EGRESS_STACK = 3,
183 };
184 
185 /* Register for address age control */
186 #define MT7530_AAC			0xa0
187 /* Disable ageing */
188 #define  AGE_DIS			BIT(20)
189 /* Age count */
190 #define  AGE_CNT_MASK			GENMASK(19, 12)
191 #define  AGE_CNT_MAX			0xff
192 #define  AGE_CNT(x)			(AGE_CNT_MASK & ((x) << 12))
193 /* Age unit */
194 #define  AGE_UNIT_MASK			GENMASK(11, 0)
195 #define  AGE_UNIT_MAX			0xfff
196 #define  AGE_UNIT(x)			(AGE_UNIT_MASK & (x))
197 
198 /* Register for port STP state control */
199 #define MT7530_SSP_P(x)			(0x2000 + ((x) * 0x100))
200 #define  FID_PST(fid, state)		(((state) & 0x3) << ((fid) * 2))
201 #define  FID_PST_MASK(fid)		FID_PST(fid, 0x3)
202 
203 enum mt7530_stp_state {
204 	MT7530_STP_DISABLED = 0,
205 	MT7530_STP_BLOCKING = 1,
206 	MT7530_STP_LISTENING = 1,
207 	MT7530_STP_LEARNING = 2,
208 	MT7530_STP_FORWARDING  = 3
209 };
210 
211 /* Register for port control */
212 #define MT7530_PCR_P(x)			(0x2004 + ((x) * 0x100))
213 #define  PORT_TX_MIR			BIT(9)
214 #define  PORT_RX_MIR			BIT(8)
215 #define  PORT_VLAN(x)			((x) & 0x3)
216 
217 enum mt7530_port_mode {
218 	/* Port Matrix Mode: Frames are forwarded by the PCR_MATRIX members. */
219 	MT7530_PORT_MATRIX_MODE = PORT_VLAN(0),
220 
221 	/* Fallback Mode: Forward received frames with ingress ports that do
222 	 * not belong to the VLAN member. Frames whose VID is not listed on
223 	 * the VLAN table are forwarded by the PCR_MATRIX members.
224 	 */
225 	MT7530_PORT_FALLBACK_MODE = PORT_VLAN(1),
226 
227 	/* Security Mode: Discard any frame due to ingress membership
228 	 * violation or VID missed on the VLAN table.
229 	 */
230 	MT7530_PORT_SECURITY_MODE = PORT_VLAN(3),
231 };
232 
233 #define  PCR_MATRIX(x)			(((x) & 0xff) << 16)
234 #define  PORT_PRI(x)			(((x) & 0x7) << 24)
235 #define  EG_TAG(x)			(((x) & 0x3) << 28)
236 #define  PCR_MATRIX_MASK		PCR_MATRIX(0xff)
237 #define  PCR_MATRIX_CLR			PCR_MATRIX(0)
238 #define  PCR_PORT_VLAN_MASK		PORT_VLAN(3)
239 
240 /* Register for port security control */
241 #define MT7530_PSC_P(x)			(0x200c + ((x) * 0x100))
242 #define  SA_DIS				BIT(4)
243 
244 /* Register for port vlan control */
245 #define MT7530_PVC_P(x)			(0x2010 + ((x) * 0x100))
246 #define  PORT_SPEC_TAG			BIT(5)
247 #define  PVC_EG_TAG(x)			(((x) & 0x7) << 8)
248 #define  PVC_EG_TAG_MASK		PVC_EG_TAG(7)
249 #define  VLAN_ATTR(x)			(((x) & 0x3) << 6)
250 #define  VLAN_ATTR_MASK			VLAN_ATTR(3)
251 #define  ACC_FRM_MASK			GENMASK(1, 0)
252 
253 enum mt7530_vlan_port_eg_tag {
254 	MT7530_VLAN_EG_DISABLED = 0,
255 	MT7530_VLAN_EG_CONSISTENT = 1,
256 };
257 
258 enum mt7530_vlan_port_attr {
259 	MT7530_VLAN_USER = 0,
260 	MT7530_VLAN_TRANSPARENT = 3,
261 };
262 
263 enum mt7530_vlan_port_acc_frm {
264 	MT7530_VLAN_ACC_ALL = 0,
265 	MT7530_VLAN_ACC_TAGGED = 1,
266 	MT7530_VLAN_ACC_UNTAGGED = 2,
267 };
268 
269 #define  STAG_VPID			(((x) & 0xffff) << 16)
270 
271 /* Register for port port-and-protocol based vlan 1 control */
272 #define MT7530_PPBV1_P(x)		(0x2014 + ((x) * 0x100))
273 #define  G0_PORT_VID(x)			(((x) & 0xfff) << 0)
274 #define  G0_PORT_VID_MASK		G0_PORT_VID(0xfff)
275 #define  G0_PORT_VID_DEF		G0_PORT_VID(0)
276 
277 /* Register for port MAC control register */
278 #define MT7530_PMCR_P(x)		(0x3000 + ((x) * 0x100))
279 #define  PMCR_IFG_XMIT(x)		(((x) & 0x3) << 18)
280 #define  PMCR_EXT_PHY			BIT(17)
281 #define  PMCR_MAC_MODE			BIT(16)
282 #define  PMCR_FORCE_MODE		BIT(15)
283 #define  PMCR_TX_EN			BIT(14)
284 #define  PMCR_RX_EN			BIT(13)
285 #define  PMCR_BACKOFF_EN		BIT(9)
286 #define  PMCR_BACKPR_EN			BIT(8)
287 #define  PMCR_FORCE_EEE1G		BIT(7)
288 #define  PMCR_FORCE_EEE100		BIT(6)
289 #define  PMCR_TX_FC_EN			BIT(5)
290 #define  PMCR_RX_FC_EN			BIT(4)
291 #define  PMCR_FORCE_SPEED_1000		BIT(3)
292 #define  PMCR_FORCE_SPEED_100		BIT(2)
293 #define  PMCR_FORCE_FDX			BIT(1)
294 #define  PMCR_FORCE_LNK			BIT(0)
295 #define  PMCR_SPEED_MASK		(PMCR_FORCE_SPEED_100 | \
296 					 PMCR_FORCE_SPEED_1000)
297 #define  MT7531_FORCE_LNK		BIT(31)
298 #define  MT7531_FORCE_SPD		BIT(30)
299 #define  MT7531_FORCE_DPX		BIT(29)
300 #define  MT7531_FORCE_RX_FC		BIT(28)
301 #define  MT7531_FORCE_TX_FC		BIT(27)
302 #define  MT7531_FORCE_MODE		(MT7531_FORCE_LNK | \
303 					 MT7531_FORCE_SPD | \
304 					 MT7531_FORCE_DPX | \
305 					 MT7531_FORCE_RX_FC | \
306 					 MT7531_FORCE_TX_FC)
307 #define  PMCR_FORCE_MODE_ID(id)		((((id) == ID_MT7531) || ((id) == ID_MT7988)) ?	\
308 					 MT7531_FORCE_MODE : PMCR_FORCE_MODE)
309 #define  PMCR_LINK_SETTINGS_MASK	(PMCR_TX_EN | PMCR_FORCE_SPEED_1000 | \
310 					 PMCR_RX_EN | PMCR_FORCE_SPEED_100 | \
311 					 PMCR_TX_FC_EN | PMCR_RX_FC_EN | \
312 					 PMCR_FORCE_FDX | PMCR_FORCE_LNK | \
313 					 PMCR_FORCE_EEE1G | PMCR_FORCE_EEE100)
314 #define  PMCR_CPU_PORT_SETTING(id)	(PMCR_FORCE_MODE_ID((id)) | \
315 					 PMCR_IFG_XMIT(1) | PMCR_MAC_MODE | \
316 					 PMCR_BACKOFF_EN | PMCR_BACKPR_EN | \
317 					 PMCR_TX_EN | PMCR_RX_EN | \
318 					 PMCR_TX_FC_EN | PMCR_RX_FC_EN | \
319 					 PMCR_FORCE_SPEED_1000 | \
320 					 PMCR_FORCE_FDX | PMCR_FORCE_LNK)
321 
322 #define MT7530_PMEEECR_P(x)		(0x3004 + (x) * 0x100)
323 #define  WAKEUP_TIME_1000(x)		(((x) & 0xFF) << 24)
324 #define  WAKEUP_TIME_100(x)		(((x) & 0xFF) << 16)
325 #define  LPI_THRESH_MASK		GENMASK(15, 4)
326 #define  LPI_THRESH_SHT			4
327 #define  SET_LPI_THRESH(x)		(((x) << LPI_THRESH_SHT) & LPI_THRESH_MASK)
328 #define  GET_LPI_THRESH(x)		(((x) & LPI_THRESH_MASK) >> LPI_THRESH_SHT)
329 #define  LPI_MODE_EN			BIT(0)
330 
331 #define MT7530_PMSR_P(x)		(0x3008 + (x) * 0x100)
332 #define  PMSR_EEE1G			BIT(7)
333 #define  PMSR_EEE100M			BIT(6)
334 #define  PMSR_RX_FC			BIT(5)
335 #define  PMSR_TX_FC			BIT(4)
336 #define  PMSR_SPEED_1000		BIT(3)
337 #define  PMSR_SPEED_100			BIT(2)
338 #define  PMSR_SPEED_10			0x00
339 #define  PMSR_SPEED_MASK		(PMSR_SPEED_100 | PMSR_SPEED_1000)
340 #define  PMSR_DPX			BIT(1)
341 #define  PMSR_LINK			BIT(0)
342 
343 /* Register for port debug count */
344 #define MT7531_DBG_CNT(x)		(0x3018 + (x) * 0x100)
345 #define  MT7531_DIS_CLR			BIT(31)
346 
347 #define MT7530_GMACCR			0x30e0
348 #define  MAX_RX_JUMBO(x)		((x) << 2)
349 #define  MAX_RX_JUMBO_MASK		GENMASK(5, 2)
350 #define  MAX_RX_PKT_LEN_MASK		GENMASK(1, 0)
351 #define  MAX_RX_PKT_LEN_1522		0x0
352 #define  MAX_RX_PKT_LEN_1536		0x1
353 #define  MAX_RX_PKT_LEN_1552		0x2
354 #define  MAX_RX_PKT_LEN_JUMBO		0x3
355 
356 /* Register for MIB */
357 #define MT7530_PORT_MIB_COUNTER(x)	(0x4000 + (x) * 0x100)
358 #define MT7530_MIB_CCR			0x4fe0
359 #define  CCR_MIB_ENABLE			BIT(31)
360 #define  CCR_RX_OCT_CNT_GOOD		BIT(7)
361 #define  CCR_RX_OCT_CNT_BAD		BIT(6)
362 #define  CCR_TX_OCT_CNT_GOOD		BIT(5)
363 #define  CCR_TX_OCT_CNT_BAD		BIT(4)
364 #define  CCR_MIB_FLUSH			(CCR_RX_OCT_CNT_GOOD | \
365 					 CCR_RX_OCT_CNT_BAD | \
366 					 CCR_TX_OCT_CNT_GOOD | \
367 					 CCR_TX_OCT_CNT_BAD)
368 #define  CCR_MIB_ACTIVATE		(CCR_MIB_ENABLE | \
369 					 CCR_RX_OCT_CNT_GOOD | \
370 					 CCR_RX_OCT_CNT_BAD | \
371 					 CCR_TX_OCT_CNT_GOOD | \
372 					 CCR_TX_OCT_CNT_BAD)
373 
374 /* MT7531 SGMII register group */
375 #define MT7531_SGMII_REG_BASE(p)	(0x5000 + ((p) - 5) * 0x1000)
376 #define MT7531_PHYA_CTRL_SIGNAL3	0x128
377 
378 /* Register for system reset */
379 #define MT7530_SYS_CTRL			0x7000
380 #define  SYS_CTRL_PHY_RST		BIT(2)
381 #define  SYS_CTRL_SW_RST		BIT(1)
382 #define  SYS_CTRL_REG_RST		BIT(0)
383 
384 /* Register for system interrupt */
385 #define MT7530_SYS_INT_EN		0x7008
386 
387 /* Register for system interrupt status */
388 #define MT7530_SYS_INT_STS		0x700c
389 
390 /* Register for PHY Indirect Access Control */
391 #define MT7531_PHY_IAC			0x701C
392 #define  MT7531_PHY_ACS_ST		BIT(31)
393 #define  MT7531_MDIO_REG_ADDR_MASK	(0x1f << 25)
394 #define  MT7531_MDIO_PHY_ADDR_MASK	(0x1f << 20)
395 #define  MT7531_MDIO_CMD_MASK		(0x3 << 18)
396 #define  MT7531_MDIO_ST_MASK		(0x3 << 16)
397 #define  MT7531_MDIO_RW_DATA_MASK	(0xffff)
398 #define  MT7531_MDIO_REG_ADDR(x)	(((x) & 0x1f) << 25)
399 #define  MT7531_MDIO_DEV_ADDR(x)	(((x) & 0x1f) << 25)
400 #define  MT7531_MDIO_PHY_ADDR(x)	(((x) & 0x1f) << 20)
401 #define  MT7531_MDIO_CMD(x)		(((x) & 0x3) << 18)
402 #define  MT7531_MDIO_ST(x)		(((x) & 0x3) << 16)
403 
404 enum mt7531_phy_iac_cmd {
405 	MT7531_MDIO_ADDR = 0,
406 	MT7531_MDIO_WRITE = 1,
407 	MT7531_MDIO_READ = 2,
408 	MT7531_MDIO_READ_CL45 = 3,
409 };
410 
411 /* MDIO_ST: MDIO start field */
412 enum mt7531_mdio_st {
413 	MT7531_MDIO_ST_CL45 = 0,
414 	MT7531_MDIO_ST_CL22 = 1,
415 };
416 
417 #define  MT7531_MDIO_CL22_READ		(MT7531_MDIO_ST(MT7531_MDIO_ST_CL22) | \
418 					 MT7531_MDIO_CMD(MT7531_MDIO_READ))
419 #define  MT7531_MDIO_CL22_WRITE		(MT7531_MDIO_ST(MT7531_MDIO_ST_CL22) | \
420 					 MT7531_MDIO_CMD(MT7531_MDIO_WRITE))
421 #define  MT7531_MDIO_CL45_ADDR		(MT7531_MDIO_ST(MT7531_MDIO_ST_CL45) | \
422 					 MT7531_MDIO_CMD(MT7531_MDIO_ADDR))
423 #define  MT7531_MDIO_CL45_READ		(MT7531_MDIO_ST(MT7531_MDIO_ST_CL45) | \
424 					 MT7531_MDIO_CMD(MT7531_MDIO_READ))
425 #define  MT7531_MDIO_CL45_WRITE		(MT7531_MDIO_ST(MT7531_MDIO_ST_CL45) | \
426 					 MT7531_MDIO_CMD(MT7531_MDIO_WRITE))
427 
428 /* Register for RGMII clock phase */
429 #define MT7531_CLKGEN_CTRL		0x7500
430 #define  CLK_SKEW_OUT(x)		(((x) & 0x3) << 8)
431 #define  CLK_SKEW_OUT_MASK		GENMASK(9, 8)
432 #define  CLK_SKEW_IN(x)			(((x) & 0x3) << 6)
433 #define  CLK_SKEW_IN_MASK		GENMASK(7, 6)
434 #define  RXCLK_NO_DELAY			BIT(5)
435 #define  TXCLK_NO_REVERSE		BIT(4)
436 #define  GP_MODE(x)			(((x) & 0x3) << 1)
437 #define  GP_MODE_MASK			GENMASK(2, 1)
438 #define  GP_CLK_EN			BIT(0)
439 
440 enum mt7531_gp_mode {
441 	MT7531_GP_MODE_RGMII = 0,
442 	MT7531_GP_MODE_MII = 1,
443 	MT7531_GP_MODE_REV_MII = 2
444 };
445 
446 enum mt7531_clk_skew {
447 	MT7531_CLK_SKEW_NO_CHG = 0,
448 	MT7531_CLK_SKEW_DLY_100PPS = 1,
449 	MT7531_CLK_SKEW_DLY_200PPS = 2,
450 	MT7531_CLK_SKEW_REVERSE = 3,
451 };
452 
453 /* Register for hw trap status */
454 #define MT7530_HWTRAP			0x7800
455 #define  HWTRAP_XTAL_MASK		(BIT(10) | BIT(9))
456 #define  HWTRAP_XTAL_25MHZ		(BIT(10) | BIT(9))
457 #define  HWTRAP_XTAL_40MHZ		(BIT(10))
458 #define  HWTRAP_XTAL_20MHZ		(BIT(9))
459 
460 #define MT7531_HWTRAP			0x7800
461 #define  HWTRAP_XTAL_FSEL_MASK		BIT(7)
462 #define  HWTRAP_XTAL_FSEL_25MHZ		BIT(7)
463 #define  HWTRAP_XTAL_FSEL_40MHZ		0
464 /* Unique fields of (M)HWSTRAP for MT7531 */
465 #define  XTAL_FSEL_S			7
466 #define  XTAL_FSEL_M			BIT(7)
467 #define  PHY_EN				BIT(6)
468 #define  CHG_STRAP			BIT(8)
469 
470 /* Register for hw trap modification */
471 #define MT7530_MHWTRAP			0x7804
472 #define  MHWTRAP_PHY0_SEL		BIT(20)
473 #define  MHWTRAP_MANUAL			BIT(16)
474 #define  MHWTRAP_P5_MAC_SEL		BIT(13)
475 #define  MHWTRAP_P6_DIS			BIT(8)
476 #define  MHWTRAP_P5_RGMII_MODE		BIT(7)
477 #define  MHWTRAP_P5_DIS			BIT(6)
478 #define  MHWTRAP_PHY_ACCESS		BIT(5)
479 
480 /* Register for TOP signal control */
481 #define MT7530_TOP_SIG_CTRL		0x7808
482 #define  TOP_SIG_CTRL_NORMAL		(BIT(17) | BIT(16))
483 
484 #define MT7531_TOP_SIG_SR		0x780c
485 #define  PAD_DUAL_SGMII_EN		BIT(1)
486 #define  PAD_MCM_SMI_EN			BIT(0)
487 
488 #define MT7530_IO_DRV_CR		0x7810
489 #define  P5_IO_CLK_DRV(x)		((x) & 0x3)
490 #define  P5_IO_DATA_DRV(x)		(((x) & 0x3) << 4)
491 
492 #define MT7531_CHIP_REV			0x781C
493 
494 #define MT7531_PLLGP_EN			0x7820
495 #define  EN_COREPLL			BIT(2)
496 #define  SW_CLKSW			BIT(1)
497 #define  SW_PLLGP			BIT(0)
498 
499 #define MT7530_P6ECR			0x7830
500 #define  P6_INTF_MODE_MASK		0x3
501 #define  P6_INTF_MODE(x)		((x) & 0x3)
502 
503 #define MT7531_PLLGP_CR0		0x78a8
504 #define  RG_COREPLL_EN			BIT(22)
505 #define  RG_COREPLL_POSDIV_S		23
506 #define  RG_COREPLL_POSDIV_M		0x3800000
507 #define  RG_COREPLL_SDM_PCW_S		1
508 #define  RG_COREPLL_SDM_PCW_M		0x3ffffe
509 #define  RG_COREPLL_SDM_PCW_CHG		BIT(0)
510 
511 /* Registers for RGMII and SGMII PLL clock */
512 #define MT7531_ANA_PLLGP_CR2		0x78b0
513 #define MT7531_ANA_PLLGP_CR5		0x78bc
514 
515 /* Registers for TRGMII on the both side */
516 #define MT7530_TRGMII_RCK_CTRL		0x7a00
517 #define  RX_RST				BIT(31)
518 #define  RXC_DQSISEL			BIT(30)
519 #define  DQSI1_TAP_MASK			(0x7f << 8)
520 #define  DQSI0_TAP_MASK			0x7f
521 #define  DQSI1_TAP(x)			(((x) & 0x7f) << 8)
522 #define  DQSI0_TAP(x)			((x) & 0x7f)
523 
524 #define MT7530_TRGMII_RCK_RTT		0x7a04
525 #define  DQS1_GATE			BIT(31)
526 #define  DQS0_GATE			BIT(30)
527 
528 #define MT7530_TRGMII_RD(x)		(0x7a10 + (x) * 8)
529 #define  BSLIP_EN			BIT(31)
530 #define  EDGE_CHK			BIT(30)
531 #define  RD_TAP_MASK			0x7f
532 #define  RD_TAP(x)			((x) & 0x7f)
533 
534 #define MT7530_TRGMII_TXCTRL		0x7a40
535 #define  TRAIN_TXEN			BIT(31)
536 #define  TXC_INV			BIT(30)
537 #define  TX_RST				BIT(28)
538 
539 #define MT7530_TRGMII_TD_ODT(i)		(0x7a54 + 8 * (i))
540 #define  TD_DM_DRVP(x)			((x) & 0xf)
541 #define  TD_DM_DRVN(x)			(((x) & 0xf) << 4)
542 
543 #define MT7530_TRGMII_TCK_CTRL		0x7a78
544 #define  TCK_TAP(x)			(((x) & 0xf) << 8)
545 
546 #define MT7530_P5RGMIIRXCR		0x7b00
547 #define  CSR_RGMII_EDGE_ALIGN		BIT(8)
548 #define  CSR_RGMII_RXC_0DEG_CFG(x)	((x) & 0xf)
549 
550 #define MT7530_P5RGMIITXCR		0x7b04
551 #define  CSR_RGMII_TXC_CFG(x)		((x) & 0x1f)
552 
553 /* Registers for GPIO mode */
554 #define MT7531_GPIO_MODE0		0x7c0c
555 #define  MT7531_GPIO0_MASK		GENMASK(3, 0)
556 #define  MT7531_GPIO0_INTERRUPT		1
557 
558 #define MT7531_GPIO_MODE1		0x7c10
559 #define  MT7531_GPIO11_RG_RXD2_MASK	GENMASK(15, 12)
560 #define  MT7531_EXT_P_MDC_11		(2 << 12)
561 #define  MT7531_GPIO12_RG_RXD3_MASK	GENMASK(19, 16)
562 #define  MT7531_EXT_P_MDIO_12		(2 << 16)
563 
564 /* Registers for LED GPIO control (MT7530 only)
565  * All registers follow this pattern:
566  * [ 2: 0]  port 0
567  * [ 6: 4]  port 1
568  * [10: 8]  port 2
569  * [14:12]  port 3
570  * [18:16]  port 4
571  */
572 
573 /* LED enable, 0: Disable, 1: Enable (Default) */
574 #define MT7530_LED_EN			0x7d00
575 /* LED mode, 0: GPIO mode, 1: PHY mode (Default) */
576 #define MT7530_LED_IO_MODE		0x7d04
577 /* GPIO direction, 0: Input, 1: Output */
578 #define MT7530_LED_GPIO_DIR		0x7d10
579 /* GPIO output enable, 0: Disable, 1: Enable */
580 #define MT7530_LED_GPIO_OE		0x7d14
581 /* GPIO value, 0: Low, 1: High */
582 #define MT7530_LED_GPIO_DATA		0x7d18
583 
584 #define MT7530_CREV			0x7ffc
585 #define  CHIP_NAME_SHIFT		16
586 #define  MT7530_ID			0x7530
587 
588 #define MT7531_CREV			0x781C
589 #define  CHIP_REV_M			0x0f
590 #define  MT7531_ID			0x7531
591 
592 /* Registers for core PLL access through mmd indirect */
593 #define CORE_PLL_GROUP2			0x401
594 #define  RG_SYSPLL_EN_NORMAL		BIT(15)
595 #define  RG_SYSPLL_VODEN		BIT(14)
596 #define  RG_SYSPLL_LF			BIT(13)
597 #define  RG_SYSPLL_RST_DLY(x)		(((x) & 0x3) << 12)
598 #define  RG_SYSPLL_LVROD_EN		BIT(10)
599 #define  RG_SYSPLL_PREDIV(x)		(((x) & 0x3) << 8)
600 #define  RG_SYSPLL_POSDIV(x)		(((x) & 0x3) << 5)
601 #define  RG_SYSPLL_FBKSEL		BIT(4)
602 #define  RT_SYSPLL_EN_AFE_OLT		BIT(0)
603 
604 #define CORE_PLL_GROUP4			0x403
605 #define  RG_SYSPLL_DDSFBK_EN		BIT(12)
606 #define  RG_SYSPLL_BIAS_EN		BIT(11)
607 #define  RG_SYSPLL_BIAS_LPF_EN		BIT(10)
608 #define  MT7531_PHY_PLL_OFF		BIT(5)
609 #define  MT7531_PHY_PLL_BYPASS_MODE	BIT(4)
610 
611 #define MT753X_CTRL_PHY_ADDR		0
612 
613 #define CORE_PLL_GROUP5			0x404
614 #define  RG_LCDDS_PCW_NCPO1(x)		((x) & 0xffff)
615 
616 #define CORE_PLL_GROUP6			0x405
617 #define  RG_LCDDS_PCW_NCPO0(x)		((x) & 0xffff)
618 
619 #define CORE_PLL_GROUP7			0x406
620 #define  RG_LCDDS_PWDB			BIT(15)
621 #define  RG_LCDDS_ISO_EN		BIT(13)
622 #define  RG_LCCDS_C(x)			(((x) & 0x7) << 4)
623 #define  RG_LCDDS_PCW_NCPO_CHG		BIT(3)
624 
625 #define CORE_PLL_GROUP10		0x409
626 #define  RG_LCDDS_SSC_DELTA(x)		((x) & 0xfff)
627 
628 #define CORE_PLL_GROUP11		0x40a
629 #define  RG_LCDDS_SSC_DELTA1(x)		((x) & 0xfff)
630 
631 #define CORE_GSWPLL_GRP1		0x40d
632 #define  RG_GSWPLL_PREDIV(x)		(((x) & 0x3) << 14)
633 #define  RG_GSWPLL_POSDIV_200M(x)	(((x) & 0x3) << 12)
634 #define  RG_GSWPLL_EN_PRE		BIT(11)
635 #define  RG_GSWPLL_FBKSEL		BIT(10)
636 #define  RG_GSWPLL_BP			BIT(9)
637 #define  RG_GSWPLL_BR			BIT(8)
638 #define  RG_GSWPLL_FBKDIV_200M(x)	((x) & 0xff)
639 
640 #define CORE_GSWPLL_GRP2		0x40e
641 #define  RG_GSWPLL_POSDIV_500M(x)	(((x) & 0x3) << 8)
642 #define  RG_GSWPLL_FBKDIV_500M(x)	((x) & 0xff)
643 
644 #define CORE_TRGMII_GSW_CLK_CG		0x410
645 #define  REG_GSWCK_EN			BIT(0)
646 #define  REG_TRGMIICK_EN		BIT(1)
647 
648 #define MIB_DESC(_s, _o, _n)	\
649 	{			\
650 		.size = (_s),	\
651 		.offset = (_o),	\
652 		.name = (_n),	\
653 	}
654 
655 struct mt7530_mib_desc {
656 	unsigned int size;
657 	unsigned int offset;
658 	const char *name;
659 };
660 
661 struct mt7530_fdb {
662 	u16 vid;
663 	u8 port_mask;
664 	u8 aging;
665 	u8 mac[6];
666 	bool noarp;
667 };
668 
669 /* struct mt7530_port -	This is the main data structure for holding the state
670  *			of the port.
671  * @enable:	The status used for show port is enabled or not.
672  * @pm:		The matrix used to show all connections with the port.
673  * @pvid:	The VLAN specified is to be considered a PVID at ingress.  Any
674  *		untagged frames will be assigned to the related VLAN.
675  * @sgmii_pcs:	Pointer to PCS instance for SerDes ports
676  */
677 struct mt7530_port {
678 	bool enable;
679 	u32 pm;
680 	u16 pvid;
681 	struct phylink_pcs *sgmii_pcs;
682 };
683 
684 /* Port 5 interface select definitions */
685 enum p5_interface_select {
686 	P5_DISABLED = 0,
687 	P5_INTF_SEL_PHY_P0,
688 	P5_INTF_SEL_PHY_P4,
689 	P5_INTF_SEL_GMAC5,
690 	P5_INTF_SEL_GMAC5_SGMII,
691 };
692 
693 struct mt7530_priv;
694 
695 struct mt753x_pcs {
696 	struct phylink_pcs pcs;
697 	struct mt7530_priv *priv;
698 	int port;
699 };
700 
701 /* struct mt753x_info -	This is the main data structure for holding the specific
702  *			part for each supported device
703  * @sw_setup:		Holding the handler to a device initialization
704  * @phy_read_c22:	Holding the way reading PHY port using C22
705  * @phy_write_c22:	Holding the way writing PHY port using C22
706  * @phy_read_c45:	Holding the way reading PHY port using C45
707  * @phy_write_c45:	Holding the way writing PHY port using C45
708  * @pad_setup:		Holding the way setting up the bus pad for a certain
709  *			MAC port
710  * @phy_mode_supported:	Check if the PHY type is being supported on a certain
711  *			port
712  * @mac_port_validate:	Holding the way to set addition validate type for a
713  *			certan MAC port
714  * @mac_port_config:	Holding the way setting up the PHY attribute to a
715  *			certain MAC port
716  */
717 struct mt753x_info {
718 	enum mt753x_id id;
719 
720 	const struct phylink_pcs_ops *pcs_ops;
721 
722 	int (*sw_setup)(struct dsa_switch *ds);
723 	int (*phy_read_c22)(struct mt7530_priv *priv, int port, int regnum);
724 	int (*phy_write_c22)(struct mt7530_priv *priv, int port, int regnum,
725 			     u16 val);
726 	int (*phy_read_c45)(struct mt7530_priv *priv, int port, int devad,
727 			    int regnum);
728 	int (*phy_write_c45)(struct mt7530_priv *priv, int port, int devad,
729 			     int regnum, u16 val);
730 	int (*pad_setup)(struct dsa_switch *ds, phy_interface_t interface);
731 	int (*cpu_port_config)(struct dsa_switch *ds, int port);
732 	void (*mac_port_get_caps)(struct dsa_switch *ds, int port,
733 				  struct phylink_config *config);
734 	void (*mac_port_validate)(struct dsa_switch *ds, int port,
735 				  phy_interface_t interface,
736 				  unsigned long *supported);
737 	int (*mac_port_config)(struct dsa_switch *ds, int port,
738 			       unsigned int mode,
739 			       phy_interface_t interface);
740 };
741 
742 /* struct mt7530_priv -	This is the main data structure for holding the state
743  *			of the driver
744  * @dev:		The device pointer
745  * @ds:			The pointer to the dsa core structure
746  * @bus:		The bus used for the device and built-in PHY
747  * @regmap:		The regmap instance representing all switch registers
748  * @rstc:		The pointer to reset control used by MCM
749  * @core_pwr:		The power supplied into the core
750  * @io_pwr:		The power supplied into the I/O
751  * @reset:		The descriptor for GPIO line tied to its reset pin
752  * @mcm:		Flag for distinguishing if standalone IC or module
753  *			coupling
754  * @ports:		Holding the state among ports
755  * @reg_mutex:		The lock for protecting among process accessing
756  *			registers
757  * @p6_interface	Holding the current port 6 interface
758  * @p5_intf_sel:	Holding the current port 5 interface select
759  * @irq:		IRQ number of the switch
760  * @irq_domain:		IRQ domain of the switch irq_chip
761  * @irq_enable:		IRQ enable bits, synced to SYS_INT_EN
762  * @create_sgmii:	Pointer to function creating SGMII PCS instance(s)
763  */
764 struct mt7530_priv {
765 	struct device		*dev;
766 	struct dsa_switch	*ds;
767 	struct mii_bus		*bus;
768 	struct regmap		*regmap;
769 	struct reset_control	*rstc;
770 	struct regulator	*core_pwr;
771 	struct regulator	*io_pwr;
772 	struct gpio_desc	*reset;
773 	const struct mt753x_info *info;
774 	unsigned int		id;
775 	bool			mcm;
776 	phy_interface_t		p6_interface;
777 	phy_interface_t		p5_interface;
778 	unsigned int		p5_intf_sel;
779 	u8			mirror_rx;
780 	u8			mirror_tx;
781 	struct mt7530_port	ports[MT7530_NUM_PORTS];
782 	struct mt753x_pcs	pcs[MT7530_NUM_PORTS];
783 	/* protect among processes for registers access*/
784 	struct mutex reg_mutex;
785 	int irq;
786 	struct irq_domain *irq_domain;
787 	u32 irq_enable;
788 	int (*create_sgmii)(struct mt7530_priv *priv, bool dual_sgmii);
789 };
790 
791 struct mt7530_hw_vlan_entry {
792 	int port;
793 	u8  old_members;
794 	bool untagged;
795 };
796 
797 static inline void mt7530_hw_vlan_entry_init(struct mt7530_hw_vlan_entry *e,
798 					     int port, bool untagged)
799 {
800 	e->port = port;
801 	e->untagged = untagged;
802 }
803 
804 typedef void (*mt7530_vlan_op)(struct mt7530_priv *,
805 			       struct mt7530_hw_vlan_entry *);
806 
807 struct mt7530_hw_stats {
808 	const char	*string;
809 	u16		reg;
810 	u8		sizeof_stat;
811 };
812 
813 struct mt7530_dummy_poll {
814 	struct mt7530_priv *priv;
815 	u32 reg;
816 };
817 
818 static inline void INIT_MT7530_DUMMY_POLL(struct mt7530_dummy_poll *p,
819 					  struct mt7530_priv *priv, u32 reg)
820 {
821 	p->priv = priv;
822 	p->reg = reg;
823 }
824 
825 int mt7530_probe_common(struct mt7530_priv *priv);
826 void mt7530_remove_common(struct mt7530_priv *priv);
827 
828 extern const struct dsa_switch_ops mt7530_switch_ops;
829 extern const struct mt753x_info mt753x_table[];
830 
831 #endif /* __MT7530_H */
832