xref: /kernel/linux/linux-6.6/drivers/net/dsa/mt7530.h (revision 62306a36)
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
17enum 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_PAE_EG_TAG_MASK		GENMASK(24, 22)
69#define  MT753X_PAE_EG_TAG(x)		FIELD_PREP(MT753X_PAE_EG_TAG_MASK, x)
70#define  MT753X_PAE_PORT_FW_MASK	GENMASK(18, 16)
71#define  MT753X_PAE_PORT_FW(x)		FIELD_PREP(MT753X_PAE_PORT_FW_MASK, x)
72#define  MT753X_BPDU_EG_TAG_MASK	GENMASK(8, 6)
73#define  MT753X_BPDU_EG_TAG(x)		FIELD_PREP(MT753X_BPDU_EG_TAG_MASK, x)
74#define  MT753X_BPDU_PORT_FW_MASK	GENMASK(2, 0)
75
76/* Register for :01 and :02 MAC DA frame control */
77#define MT753X_RGAC1			0x28
78#define  MT753X_R02_EG_TAG_MASK		GENMASK(24, 22)
79#define  MT753X_R02_EG_TAG(x)		FIELD_PREP(MT753X_R02_EG_TAG_MASK, x)
80#define  MT753X_R02_PORT_FW_MASK	GENMASK(18, 16)
81#define  MT753X_R02_PORT_FW(x)		FIELD_PREP(MT753X_R02_PORT_FW_MASK, x)
82#define  MT753X_R01_EG_TAG_MASK		GENMASK(8, 6)
83#define  MT753X_R01_EG_TAG(x)		FIELD_PREP(MT753X_R01_EG_TAG_MASK, x)
84#define  MT753X_R01_PORT_FW_MASK	GENMASK(2, 0)
85
86/* Register for :03 and :0E MAC DA frame control */
87#define MT753X_RGAC2			0x2c
88#define  MT753X_R0E_EG_TAG_MASK		GENMASK(24, 22)
89#define  MT753X_R0E_EG_TAG(x)		FIELD_PREP(MT753X_R0E_EG_TAG_MASK, x)
90#define  MT753X_R0E_PORT_FW_MASK	GENMASK(18, 16)
91#define  MT753X_R0E_PORT_FW(x)		FIELD_PREP(MT753X_R0E_PORT_FW_MASK, x)
92#define  MT753X_R03_EG_TAG_MASK		GENMASK(8, 6)
93#define  MT753X_R03_EG_TAG(x)		FIELD_PREP(MT753X_R03_EG_TAG_MASK, x)
94#define  MT753X_R03_PORT_FW_MASK	GENMASK(2, 0)
95
96enum mt753x_bpdu_port_fw {
97	MT753X_BPDU_FOLLOW_MFC,
98	MT753X_BPDU_CPU_EXCLUDE = 4,
99	MT753X_BPDU_CPU_INCLUDE = 5,
100	MT753X_BPDU_CPU_ONLY = 6,
101	MT753X_BPDU_DROP = 7,
102};
103
104/* Registers for address table access */
105#define MT7530_ATA1			0x74
106#define  STATIC_EMP			0
107#define  STATIC_ENT			3
108#define MT7530_ATA2			0x78
109#define  ATA2_IVL			BIT(15)
110#define  ATA2_FID(x)			(((x) & 0x7) << 12)
111
112/* Register for address table write data */
113#define MT7530_ATWD			0x7c
114
115/* Register for address table control */
116#define MT7530_ATC			0x80
117#define  ATC_HASH			(((x) & 0xfff) << 16)
118#define  ATC_BUSY			BIT(15)
119#define  ATC_SRCH_END			BIT(14)
120#define  ATC_SRCH_HIT			BIT(13)
121#define  ATC_INVALID			BIT(12)
122#define  ATC_MAT(x)			(((x) & 0xf) << 8)
123#define  ATC_MAT_MACTAB			ATC_MAT(0)
124
125enum mt7530_fdb_cmd {
126	MT7530_FDB_READ	= 0,
127	MT7530_FDB_WRITE = 1,
128	MT7530_FDB_FLUSH = 2,
129	MT7530_FDB_START = 4,
130	MT7530_FDB_NEXT = 5,
131};
132
133/* Registers for table search read address */
134#define MT7530_TSRA1			0x84
135#define  MAC_BYTE_0			24
136#define  MAC_BYTE_1			16
137#define  MAC_BYTE_2			8
138#define  MAC_BYTE_3			0
139#define  MAC_BYTE_MASK			0xff
140
141#define MT7530_TSRA2			0x88
142#define  MAC_BYTE_4			24
143#define  MAC_BYTE_5			16
144#define  CVID				0
145#define  CVID_MASK			0xfff
146
147#define MT7530_ATRD			0x8C
148#define	 AGE_TIMER			24
149#define  AGE_TIMER_MASK			0xff
150#define  PORT_MAP			4
151#define  PORT_MAP_MASK			0xff
152#define  ENT_STATUS			2
153#define  ENT_STATUS_MASK		0x3
154
155/* Register for vlan table control */
156#define MT7530_VTCR			0x90
157#define  VTCR_BUSY			BIT(31)
158#define  VTCR_INVALID			BIT(16)
159#define  VTCR_FUNC(x)			(((x) & 0xf) << 12)
160#define  VTCR_VID			((x) & 0xfff)
161
162enum mt7530_vlan_cmd {
163	/* Read/Write the specified VID entry from VAWD register based
164	 * on VID.
165	 */
166	MT7530_VTCR_RD_VID = 0,
167	MT7530_VTCR_WR_VID = 1,
168};
169
170/* Register for setup vlan and acl write data */
171#define MT7530_VAWD1			0x94
172#define  PORT_STAG			BIT(31)
173/* Independent VLAN Learning */
174#define  IVL_MAC			BIT(30)
175/* Egress Tag Consistent */
176#define  EG_CON				BIT(29)
177/* Per VLAN Egress Tag Control */
178#define  VTAG_EN			BIT(28)
179/* VLAN Member Control */
180#define  PORT_MEM(x)			(((x) & 0xff) << 16)
181/* Filter ID */
182#define  FID(x)				(((x) & 0x7) << 1)
183/* VLAN Entry Valid */
184#define  VLAN_VALID			BIT(0)
185#define  PORT_MEM_SHFT			16
186#define  PORT_MEM_MASK			0xff
187
188enum mt7530_fid {
189	FID_STANDALONE = 0,
190	FID_BRIDGED = 1,
191};
192
193#define MT7530_VAWD2			0x98
194/* Egress Tag Control */
195#define  ETAG_CTRL_P(p, x)		(((x) & 0x3) << ((p) << 1))
196#define  ETAG_CTRL_P_MASK(p)		ETAG_CTRL_P(p, 3)
197
198enum mt7530_vlan_egress_attr {
199	MT7530_VLAN_EGRESS_UNTAG = 0,
200	MT7530_VLAN_EGRESS_TAG = 2,
201	MT7530_VLAN_EGRESS_STACK = 3,
202};
203
204/* Register for address age control */
205#define MT7530_AAC			0xa0
206/* Disable ageing */
207#define  AGE_DIS			BIT(20)
208/* Age count */
209#define  AGE_CNT_MASK			GENMASK(19, 12)
210#define  AGE_CNT_MAX			0xff
211#define  AGE_CNT(x)			(AGE_CNT_MASK & ((x) << 12))
212/* Age unit */
213#define  AGE_UNIT_MASK			GENMASK(11, 0)
214#define  AGE_UNIT_MAX			0xfff
215#define  AGE_UNIT(x)			(AGE_UNIT_MASK & (x))
216
217/* Register for port STP state control */
218#define MT7530_SSP_P(x)			(0x2000 + ((x) * 0x100))
219#define  FID_PST(fid, state)		(((state) & 0x3) << ((fid) * 2))
220#define  FID_PST_MASK(fid)		FID_PST(fid, 0x3)
221
222enum mt7530_stp_state {
223	MT7530_STP_DISABLED = 0,
224	MT7530_STP_BLOCKING = 1,
225	MT7530_STP_LISTENING = 1,
226	MT7530_STP_LEARNING = 2,
227	MT7530_STP_FORWARDING  = 3
228};
229
230/* Register for port control */
231#define MT7530_PCR_P(x)			(0x2004 + ((x) * 0x100))
232#define  PORT_TX_MIR			BIT(9)
233#define  PORT_RX_MIR			BIT(8)
234#define  PORT_VLAN(x)			((x) & 0x3)
235
236enum mt7530_port_mode {
237	/* Port Matrix Mode: Frames are forwarded by the PCR_MATRIX members. */
238	MT7530_PORT_MATRIX_MODE = PORT_VLAN(0),
239
240	/* Fallback Mode: Forward received frames with ingress ports that do
241	 * not belong to the VLAN member. Frames whose VID is not listed on
242	 * the VLAN table are forwarded by the PCR_MATRIX members.
243	 */
244	MT7530_PORT_FALLBACK_MODE = PORT_VLAN(1),
245
246	/* Security Mode: Discard any frame due to ingress membership
247	 * violation or VID missed on the VLAN table.
248	 */
249	MT7530_PORT_SECURITY_MODE = PORT_VLAN(3),
250};
251
252#define  PCR_MATRIX(x)			(((x) & 0xff) << 16)
253#define  PORT_PRI(x)			(((x) & 0x7) << 24)
254#define  EG_TAG(x)			(((x) & 0x3) << 28)
255#define  PCR_MATRIX_MASK		PCR_MATRIX(0xff)
256#define  PCR_MATRIX_CLR			PCR_MATRIX(0)
257#define  PCR_PORT_VLAN_MASK		PORT_VLAN(3)
258
259/* Register for port security control */
260#define MT7530_PSC_P(x)			(0x200c + ((x) * 0x100))
261#define  SA_DIS				BIT(4)
262
263/* Register for port vlan control */
264#define MT7530_PVC_P(x)			(0x2010 + ((x) * 0x100))
265#define  PORT_SPEC_TAG			BIT(5)
266#define  PVC_EG_TAG(x)			(((x) & 0x7) << 8)
267#define  PVC_EG_TAG_MASK		PVC_EG_TAG(7)
268#define  VLAN_ATTR(x)			(((x) & 0x3) << 6)
269#define  VLAN_ATTR_MASK			VLAN_ATTR(3)
270#define  ACC_FRM_MASK			GENMASK(1, 0)
271
272enum mt7530_vlan_port_eg_tag {
273	MT7530_VLAN_EG_DISABLED = 0,
274	MT7530_VLAN_EG_CONSISTENT = 1,
275	MT7530_VLAN_EG_UNTAGGED = 4,
276};
277
278enum mt7530_vlan_port_attr {
279	MT7530_VLAN_USER = 0,
280	MT7530_VLAN_TRANSPARENT = 3,
281};
282
283enum mt7530_vlan_port_acc_frm {
284	MT7530_VLAN_ACC_ALL = 0,
285	MT7530_VLAN_ACC_TAGGED = 1,
286	MT7530_VLAN_ACC_UNTAGGED = 2,
287};
288
289#define  STAG_VPID			(((x) & 0xffff) << 16)
290
291/* Register for port port-and-protocol based vlan 1 control */
292#define MT7530_PPBV1_P(x)		(0x2014 + ((x) * 0x100))
293#define  G0_PORT_VID(x)			(((x) & 0xfff) << 0)
294#define  G0_PORT_VID_MASK		G0_PORT_VID(0xfff)
295#define  G0_PORT_VID_DEF		G0_PORT_VID(0)
296
297/* Register for port MAC control register */
298#define MT7530_PMCR_P(x)		(0x3000 + ((x) * 0x100))
299#define  PMCR_IFG_XMIT(x)		(((x) & 0x3) << 18)
300#define  PMCR_EXT_PHY			BIT(17)
301#define  PMCR_MAC_MODE			BIT(16)
302#define  PMCR_FORCE_MODE		BIT(15)
303#define  PMCR_TX_EN			BIT(14)
304#define  PMCR_RX_EN			BIT(13)
305#define  PMCR_BACKOFF_EN		BIT(9)
306#define  PMCR_BACKPR_EN			BIT(8)
307#define  PMCR_FORCE_EEE1G		BIT(7)
308#define  PMCR_FORCE_EEE100		BIT(6)
309#define  PMCR_TX_FC_EN			BIT(5)
310#define  PMCR_RX_FC_EN			BIT(4)
311#define  PMCR_FORCE_SPEED_1000		BIT(3)
312#define  PMCR_FORCE_SPEED_100		BIT(2)
313#define  PMCR_FORCE_FDX			BIT(1)
314#define  PMCR_FORCE_LNK			BIT(0)
315#define  PMCR_SPEED_MASK		(PMCR_FORCE_SPEED_100 | \
316					 PMCR_FORCE_SPEED_1000)
317#define  MT7531_FORCE_LNK		BIT(31)
318#define  MT7531_FORCE_SPD		BIT(30)
319#define  MT7531_FORCE_DPX		BIT(29)
320#define  MT7531_FORCE_RX_FC		BIT(28)
321#define  MT7531_FORCE_TX_FC		BIT(27)
322#define  MT7531_FORCE_MODE		(MT7531_FORCE_LNK | \
323					 MT7531_FORCE_SPD | \
324					 MT7531_FORCE_DPX | \
325					 MT7531_FORCE_RX_FC | \
326					 MT7531_FORCE_TX_FC)
327#define  PMCR_FORCE_MODE_ID(id)		((((id) == ID_MT7531) || ((id) == ID_MT7988)) ?	\
328					 MT7531_FORCE_MODE : PMCR_FORCE_MODE)
329#define  PMCR_LINK_SETTINGS_MASK	(PMCR_TX_EN | PMCR_FORCE_SPEED_1000 | \
330					 PMCR_RX_EN | PMCR_FORCE_SPEED_100 | \
331					 PMCR_TX_FC_EN | PMCR_RX_FC_EN | \
332					 PMCR_FORCE_FDX | PMCR_FORCE_LNK | \
333					 PMCR_FORCE_EEE1G | PMCR_FORCE_EEE100)
334#define  PMCR_CPU_PORT_SETTING(id)	(PMCR_FORCE_MODE_ID((id)) | \
335					 PMCR_IFG_XMIT(1) | PMCR_MAC_MODE | \
336					 PMCR_BACKOFF_EN | PMCR_BACKPR_EN | \
337					 PMCR_TX_EN | PMCR_RX_EN | \
338					 PMCR_TX_FC_EN | PMCR_RX_FC_EN | \
339					 PMCR_FORCE_SPEED_1000 | \
340					 PMCR_FORCE_FDX | PMCR_FORCE_LNK)
341
342#define MT7530_PMEEECR_P(x)		(0x3004 + (x) * 0x100)
343#define  WAKEUP_TIME_1000(x)		(((x) & 0xFF) << 24)
344#define  WAKEUP_TIME_100(x)		(((x) & 0xFF) << 16)
345#define  LPI_THRESH_MASK		GENMASK(15, 4)
346#define  LPI_THRESH_SHT			4
347#define  SET_LPI_THRESH(x)		(((x) << LPI_THRESH_SHT) & LPI_THRESH_MASK)
348#define  GET_LPI_THRESH(x)		(((x) & LPI_THRESH_MASK) >> LPI_THRESH_SHT)
349#define  LPI_MODE_EN			BIT(0)
350
351#define MT7530_PMSR_P(x)		(0x3008 + (x) * 0x100)
352#define  PMSR_EEE1G			BIT(7)
353#define  PMSR_EEE100M			BIT(6)
354#define  PMSR_RX_FC			BIT(5)
355#define  PMSR_TX_FC			BIT(4)
356#define  PMSR_SPEED_1000		BIT(3)
357#define  PMSR_SPEED_100			BIT(2)
358#define  PMSR_SPEED_10			0x00
359#define  PMSR_SPEED_MASK		(PMSR_SPEED_100 | PMSR_SPEED_1000)
360#define  PMSR_DPX			BIT(1)
361#define  PMSR_LINK			BIT(0)
362
363/* Register for port debug count */
364#define MT7531_DBG_CNT(x)		(0x3018 + (x) * 0x100)
365#define  MT7531_DIS_CLR			BIT(31)
366
367#define MT7530_GMACCR			0x30e0
368#define  MAX_RX_JUMBO(x)		((x) << 2)
369#define  MAX_RX_JUMBO_MASK		GENMASK(5, 2)
370#define  MAX_RX_PKT_LEN_MASK		GENMASK(1, 0)
371#define  MAX_RX_PKT_LEN_1522		0x0
372#define  MAX_RX_PKT_LEN_1536		0x1
373#define  MAX_RX_PKT_LEN_1552		0x2
374#define  MAX_RX_PKT_LEN_JUMBO		0x3
375
376/* Register for MIB */
377#define MT7530_PORT_MIB_COUNTER(x)	(0x4000 + (x) * 0x100)
378#define MT7530_MIB_CCR			0x4fe0
379#define  CCR_MIB_ENABLE			BIT(31)
380#define  CCR_RX_OCT_CNT_GOOD		BIT(7)
381#define  CCR_RX_OCT_CNT_BAD		BIT(6)
382#define  CCR_TX_OCT_CNT_GOOD		BIT(5)
383#define  CCR_TX_OCT_CNT_BAD		BIT(4)
384#define  CCR_MIB_FLUSH			(CCR_RX_OCT_CNT_GOOD | \
385					 CCR_RX_OCT_CNT_BAD | \
386					 CCR_TX_OCT_CNT_GOOD | \
387					 CCR_TX_OCT_CNT_BAD)
388#define  CCR_MIB_ACTIVATE		(CCR_MIB_ENABLE | \
389					 CCR_RX_OCT_CNT_GOOD | \
390					 CCR_RX_OCT_CNT_BAD | \
391					 CCR_TX_OCT_CNT_GOOD | \
392					 CCR_TX_OCT_CNT_BAD)
393
394/* MT7531 SGMII register group */
395#define MT7531_SGMII_REG_BASE(p)	(0x5000 + ((p) - 5) * 0x1000)
396#define MT7531_PHYA_CTRL_SIGNAL3	0x128
397
398/* Register for system reset */
399#define MT7530_SYS_CTRL			0x7000
400#define  SYS_CTRL_PHY_RST		BIT(2)
401#define  SYS_CTRL_SW_RST		BIT(1)
402#define  SYS_CTRL_REG_RST		BIT(0)
403
404/* Register for system interrupt */
405#define MT7530_SYS_INT_EN		0x7008
406
407/* Register for system interrupt status */
408#define MT7530_SYS_INT_STS		0x700c
409
410/* Register for PHY Indirect Access Control */
411#define MT7531_PHY_IAC			0x701C
412#define  MT7531_PHY_ACS_ST		BIT(31)
413#define  MT7531_MDIO_REG_ADDR_MASK	(0x1f << 25)
414#define  MT7531_MDIO_PHY_ADDR_MASK	(0x1f << 20)
415#define  MT7531_MDIO_CMD_MASK		(0x3 << 18)
416#define  MT7531_MDIO_ST_MASK		(0x3 << 16)
417#define  MT7531_MDIO_RW_DATA_MASK	(0xffff)
418#define  MT7531_MDIO_REG_ADDR(x)	(((x) & 0x1f) << 25)
419#define  MT7531_MDIO_DEV_ADDR(x)	(((x) & 0x1f) << 25)
420#define  MT7531_MDIO_PHY_ADDR(x)	(((x) & 0x1f) << 20)
421#define  MT7531_MDIO_CMD(x)		(((x) & 0x3) << 18)
422#define  MT7531_MDIO_ST(x)		(((x) & 0x3) << 16)
423
424enum mt7531_phy_iac_cmd {
425	MT7531_MDIO_ADDR = 0,
426	MT7531_MDIO_WRITE = 1,
427	MT7531_MDIO_READ = 2,
428	MT7531_MDIO_READ_CL45 = 3,
429};
430
431/* MDIO_ST: MDIO start field */
432enum mt7531_mdio_st {
433	MT7531_MDIO_ST_CL45 = 0,
434	MT7531_MDIO_ST_CL22 = 1,
435};
436
437#define  MT7531_MDIO_CL22_READ		(MT7531_MDIO_ST(MT7531_MDIO_ST_CL22) | \
438					 MT7531_MDIO_CMD(MT7531_MDIO_READ))
439#define  MT7531_MDIO_CL22_WRITE		(MT7531_MDIO_ST(MT7531_MDIO_ST_CL22) | \
440					 MT7531_MDIO_CMD(MT7531_MDIO_WRITE))
441#define  MT7531_MDIO_CL45_ADDR		(MT7531_MDIO_ST(MT7531_MDIO_ST_CL45) | \
442					 MT7531_MDIO_CMD(MT7531_MDIO_ADDR))
443#define  MT7531_MDIO_CL45_READ		(MT7531_MDIO_ST(MT7531_MDIO_ST_CL45) | \
444					 MT7531_MDIO_CMD(MT7531_MDIO_READ))
445#define  MT7531_MDIO_CL45_WRITE		(MT7531_MDIO_ST(MT7531_MDIO_ST_CL45) | \
446					 MT7531_MDIO_CMD(MT7531_MDIO_WRITE))
447
448/* Register for RGMII clock phase */
449#define MT7531_CLKGEN_CTRL		0x7500
450#define  CLK_SKEW_OUT(x)		(((x) & 0x3) << 8)
451#define  CLK_SKEW_OUT_MASK		GENMASK(9, 8)
452#define  CLK_SKEW_IN(x)			(((x) & 0x3) << 6)
453#define  CLK_SKEW_IN_MASK		GENMASK(7, 6)
454#define  RXCLK_NO_DELAY			BIT(5)
455#define  TXCLK_NO_REVERSE		BIT(4)
456#define  GP_MODE(x)			(((x) & 0x3) << 1)
457#define  GP_MODE_MASK			GENMASK(2, 1)
458#define  GP_CLK_EN			BIT(0)
459
460enum mt7531_gp_mode {
461	MT7531_GP_MODE_RGMII = 0,
462	MT7531_GP_MODE_MII = 1,
463	MT7531_GP_MODE_REV_MII = 2
464};
465
466enum mt7531_clk_skew {
467	MT7531_CLK_SKEW_NO_CHG = 0,
468	MT7531_CLK_SKEW_DLY_100PPS = 1,
469	MT7531_CLK_SKEW_DLY_200PPS = 2,
470	MT7531_CLK_SKEW_REVERSE = 3,
471};
472
473/* Register for hw trap status */
474#define MT7530_HWTRAP			0x7800
475#define  HWTRAP_XTAL_MASK		(BIT(10) | BIT(9))
476#define  HWTRAP_XTAL_25MHZ		(BIT(10) | BIT(9))
477#define  HWTRAP_XTAL_40MHZ		(BIT(10))
478#define  HWTRAP_XTAL_20MHZ		(BIT(9))
479
480#define MT7531_HWTRAP			0x7800
481#define  HWTRAP_XTAL_FSEL_MASK		BIT(7)
482#define  HWTRAP_XTAL_FSEL_25MHZ		BIT(7)
483#define  HWTRAP_XTAL_FSEL_40MHZ		0
484/* Unique fields of (M)HWSTRAP for MT7531 */
485#define  XTAL_FSEL_S			7
486#define  XTAL_FSEL_M			BIT(7)
487#define  PHY_EN				BIT(6)
488#define  CHG_STRAP			BIT(8)
489
490/* Register for hw trap modification */
491#define MT7530_MHWTRAP			0x7804
492#define  MHWTRAP_PHY0_SEL		BIT(20)
493#define  MHWTRAP_MANUAL			BIT(16)
494#define  MHWTRAP_P5_MAC_SEL		BIT(13)
495#define  MHWTRAP_P6_DIS			BIT(8)
496#define  MHWTRAP_P5_RGMII_MODE		BIT(7)
497#define  MHWTRAP_P5_DIS			BIT(6)
498#define  MHWTRAP_PHY_ACCESS		BIT(5)
499
500/* Register for TOP signal control */
501#define MT7530_TOP_SIG_CTRL		0x7808
502#define  TOP_SIG_CTRL_NORMAL		(BIT(17) | BIT(16))
503
504#define MT7531_TOP_SIG_SR		0x780c
505#define  PAD_DUAL_SGMII_EN		BIT(1)
506#define  PAD_MCM_SMI_EN			BIT(0)
507
508#define MT7530_IO_DRV_CR		0x7810
509#define  P5_IO_CLK_DRV(x)		((x) & 0x3)
510#define  P5_IO_DATA_DRV(x)		(((x) & 0x3) << 4)
511
512#define MT7531_CHIP_REV			0x781C
513
514#define MT7531_PLLGP_EN			0x7820
515#define  EN_COREPLL			BIT(2)
516#define  SW_CLKSW			BIT(1)
517#define  SW_PLLGP			BIT(0)
518
519#define MT7530_P6ECR			0x7830
520#define  P6_INTF_MODE_MASK		0x3
521#define  P6_INTF_MODE(x)		((x) & 0x3)
522
523#define MT7531_PLLGP_CR0		0x78a8
524#define  RG_COREPLL_EN			BIT(22)
525#define  RG_COREPLL_POSDIV_S		23
526#define  RG_COREPLL_POSDIV_M		0x3800000
527#define  RG_COREPLL_SDM_PCW_S		1
528#define  RG_COREPLL_SDM_PCW_M		0x3ffffe
529#define  RG_COREPLL_SDM_PCW_CHG		BIT(0)
530
531/* Registers for RGMII and SGMII PLL clock */
532#define MT7531_ANA_PLLGP_CR2		0x78b0
533#define MT7531_ANA_PLLGP_CR5		0x78bc
534
535/* Registers for TRGMII on the both side */
536#define MT7530_TRGMII_RCK_CTRL		0x7a00
537#define  RX_RST				BIT(31)
538#define  RXC_DQSISEL			BIT(30)
539#define  DQSI1_TAP_MASK			(0x7f << 8)
540#define  DQSI0_TAP_MASK			0x7f
541#define  DQSI1_TAP(x)			(((x) & 0x7f) << 8)
542#define  DQSI0_TAP(x)			((x) & 0x7f)
543
544#define MT7530_TRGMII_RCK_RTT		0x7a04
545#define  DQS1_GATE			BIT(31)
546#define  DQS0_GATE			BIT(30)
547
548#define MT7530_TRGMII_RD(x)		(0x7a10 + (x) * 8)
549#define  BSLIP_EN			BIT(31)
550#define  EDGE_CHK			BIT(30)
551#define  RD_TAP_MASK			0x7f
552#define  RD_TAP(x)			((x) & 0x7f)
553
554#define MT7530_TRGMII_TXCTRL		0x7a40
555#define  TRAIN_TXEN			BIT(31)
556#define  TXC_INV			BIT(30)
557#define  TX_RST				BIT(28)
558
559#define MT7530_TRGMII_TD_ODT(i)		(0x7a54 + 8 * (i))
560#define  TD_DM_DRVP(x)			((x) & 0xf)
561#define  TD_DM_DRVN(x)			(((x) & 0xf) << 4)
562
563#define MT7530_TRGMII_TCK_CTRL		0x7a78
564#define  TCK_TAP(x)			(((x) & 0xf) << 8)
565
566#define MT7530_P5RGMIIRXCR		0x7b00
567#define  CSR_RGMII_EDGE_ALIGN		BIT(8)
568#define  CSR_RGMII_RXC_0DEG_CFG(x)	((x) & 0xf)
569
570#define MT7530_P5RGMIITXCR		0x7b04
571#define  CSR_RGMII_TXC_CFG(x)		((x) & 0x1f)
572
573/* Registers for GPIO mode */
574#define MT7531_GPIO_MODE0		0x7c0c
575#define  MT7531_GPIO0_MASK		GENMASK(3, 0)
576#define  MT7531_GPIO0_INTERRUPT		1
577
578#define MT7531_GPIO_MODE1		0x7c10
579#define  MT7531_GPIO11_RG_RXD2_MASK	GENMASK(15, 12)
580#define  MT7531_EXT_P_MDC_11		(2 << 12)
581#define  MT7531_GPIO12_RG_RXD3_MASK	GENMASK(19, 16)
582#define  MT7531_EXT_P_MDIO_12		(2 << 16)
583
584/* Registers for LED GPIO control (MT7530 only)
585 * All registers follow this pattern:
586 * [ 2: 0]  port 0
587 * [ 6: 4]  port 1
588 * [10: 8]  port 2
589 * [14:12]  port 3
590 * [18:16]  port 4
591 */
592
593/* LED enable, 0: Disable, 1: Enable (Default) */
594#define MT7530_LED_EN			0x7d00
595/* LED mode, 0: GPIO mode, 1: PHY mode (Default) */
596#define MT7530_LED_IO_MODE		0x7d04
597/* GPIO direction, 0: Input, 1: Output */
598#define MT7530_LED_GPIO_DIR		0x7d10
599/* GPIO output enable, 0: Disable, 1: Enable */
600#define MT7530_LED_GPIO_OE		0x7d14
601/* GPIO value, 0: Low, 1: High */
602#define MT7530_LED_GPIO_DATA		0x7d18
603
604#define MT7530_CREV			0x7ffc
605#define  CHIP_NAME_SHIFT		16
606#define  MT7530_ID			0x7530
607
608#define MT7531_CREV			0x781C
609#define  CHIP_REV_M			0x0f
610#define  MT7531_ID			0x7531
611
612/* Registers for core PLL access through mmd indirect */
613#define CORE_PLL_GROUP2			0x401
614#define  RG_SYSPLL_EN_NORMAL		BIT(15)
615#define  RG_SYSPLL_VODEN		BIT(14)
616#define  RG_SYSPLL_LF			BIT(13)
617#define  RG_SYSPLL_RST_DLY(x)		(((x) & 0x3) << 12)
618#define  RG_SYSPLL_LVROD_EN		BIT(10)
619#define  RG_SYSPLL_PREDIV(x)		(((x) & 0x3) << 8)
620#define  RG_SYSPLL_POSDIV(x)		(((x) & 0x3) << 5)
621#define  RG_SYSPLL_FBKSEL		BIT(4)
622#define  RT_SYSPLL_EN_AFE_OLT		BIT(0)
623
624#define CORE_PLL_GROUP4			0x403
625#define  RG_SYSPLL_DDSFBK_EN		BIT(12)
626#define  RG_SYSPLL_BIAS_EN		BIT(11)
627#define  RG_SYSPLL_BIAS_LPF_EN		BIT(10)
628#define  MT7531_PHY_PLL_OFF		BIT(5)
629#define  MT7531_PHY_PLL_BYPASS_MODE	BIT(4)
630
631#define MT753X_CTRL_PHY_ADDR		0
632
633#define CORE_PLL_GROUP5			0x404
634#define  RG_LCDDS_PCW_NCPO1(x)		((x) & 0xffff)
635
636#define CORE_PLL_GROUP6			0x405
637#define  RG_LCDDS_PCW_NCPO0(x)		((x) & 0xffff)
638
639#define CORE_PLL_GROUP7			0x406
640#define  RG_LCDDS_PWDB			BIT(15)
641#define  RG_LCDDS_ISO_EN		BIT(13)
642#define  RG_LCCDS_C(x)			(((x) & 0x7) << 4)
643#define  RG_LCDDS_PCW_NCPO_CHG		BIT(3)
644
645#define CORE_PLL_GROUP10		0x409
646#define  RG_LCDDS_SSC_DELTA(x)		((x) & 0xfff)
647
648#define CORE_PLL_GROUP11		0x40a
649#define  RG_LCDDS_SSC_DELTA1(x)		((x) & 0xfff)
650
651#define CORE_GSWPLL_GRP1		0x40d
652#define  RG_GSWPLL_PREDIV(x)		(((x) & 0x3) << 14)
653#define  RG_GSWPLL_POSDIV_200M(x)	(((x) & 0x3) << 12)
654#define  RG_GSWPLL_EN_PRE		BIT(11)
655#define  RG_GSWPLL_FBKSEL		BIT(10)
656#define  RG_GSWPLL_BP			BIT(9)
657#define  RG_GSWPLL_BR			BIT(8)
658#define  RG_GSWPLL_FBKDIV_200M(x)	((x) & 0xff)
659
660#define CORE_GSWPLL_GRP2		0x40e
661#define  RG_GSWPLL_POSDIV_500M(x)	(((x) & 0x3) << 8)
662#define  RG_GSWPLL_FBKDIV_500M(x)	((x) & 0xff)
663
664#define CORE_TRGMII_GSW_CLK_CG		0x410
665#define  REG_GSWCK_EN			BIT(0)
666#define  REG_TRGMIICK_EN		BIT(1)
667
668#define MIB_DESC(_s, _o, _n)	\
669	{			\
670		.size = (_s),	\
671		.offset = (_o),	\
672		.name = (_n),	\
673	}
674
675struct mt7530_mib_desc {
676	unsigned int size;
677	unsigned int offset;
678	const char *name;
679};
680
681struct mt7530_fdb {
682	u16 vid;
683	u8 port_mask;
684	u8 aging;
685	u8 mac[6];
686	bool noarp;
687};
688
689/* struct mt7530_port -	This is the main data structure for holding the state
690 *			of the port.
691 * @enable:	The status used for show port is enabled or not.
692 * @pm:		The matrix used to show all connections with the port.
693 * @pvid:	The VLAN specified is to be considered a PVID at ingress.  Any
694 *		untagged frames will be assigned to the related VLAN.
695 * @sgmii_pcs:	Pointer to PCS instance for SerDes ports
696 */
697struct mt7530_port {
698	bool enable;
699	u32 pm;
700	u16 pvid;
701	struct phylink_pcs *sgmii_pcs;
702};
703
704/* Port 5 interface select definitions */
705enum p5_interface_select {
706	P5_DISABLED = 0,
707	P5_INTF_SEL_PHY_P0,
708	P5_INTF_SEL_PHY_P4,
709	P5_INTF_SEL_GMAC5,
710	P5_INTF_SEL_GMAC5_SGMII,
711};
712
713struct mt7530_priv;
714
715struct mt753x_pcs {
716	struct phylink_pcs pcs;
717	struct mt7530_priv *priv;
718	int port;
719};
720
721/* struct mt753x_info -	This is the main data structure for holding the specific
722 *			part for each supported device
723 * @sw_setup:		Holding the handler to a device initialization
724 * @phy_read_c22:	Holding the way reading PHY port using C22
725 * @phy_write_c22:	Holding the way writing PHY port using C22
726 * @phy_read_c45:	Holding the way reading PHY port using C45
727 * @phy_write_c45:	Holding the way writing PHY port using C45
728 * @pad_setup:		Holding the way setting up the bus pad for a certain
729 *			MAC port
730 * @phy_mode_supported:	Check if the PHY type is being supported on a certain
731 *			port
732 * @mac_port_validate:	Holding the way to set addition validate type for a
733 *			certan MAC port
734 * @mac_port_config:	Holding the way setting up the PHY attribute to a
735 *			certain MAC port
736 */
737struct mt753x_info {
738	enum mt753x_id id;
739
740	const struct phylink_pcs_ops *pcs_ops;
741
742	int (*sw_setup)(struct dsa_switch *ds);
743	int (*phy_read_c22)(struct mt7530_priv *priv, int port, int regnum);
744	int (*phy_write_c22)(struct mt7530_priv *priv, int port, int regnum,
745			     u16 val);
746	int (*phy_read_c45)(struct mt7530_priv *priv, int port, int devad,
747			    int regnum);
748	int (*phy_write_c45)(struct mt7530_priv *priv, int port, int devad,
749			     int regnum, u16 val);
750	int (*pad_setup)(struct dsa_switch *ds, phy_interface_t interface);
751	int (*cpu_port_config)(struct dsa_switch *ds, int port);
752	void (*mac_port_get_caps)(struct dsa_switch *ds, int port,
753				  struct phylink_config *config);
754	void (*mac_port_validate)(struct dsa_switch *ds, int port,
755				  phy_interface_t interface,
756				  unsigned long *supported);
757	int (*mac_port_config)(struct dsa_switch *ds, int port,
758			       unsigned int mode,
759			       phy_interface_t interface);
760};
761
762/* struct mt7530_priv -	This is the main data structure for holding the state
763 *			of the driver
764 * @dev:		The device pointer
765 * @ds:			The pointer to the dsa core structure
766 * @bus:		The bus used for the device and built-in PHY
767 * @regmap:		The regmap instance representing all switch registers
768 * @rstc:		The pointer to reset control used by MCM
769 * @core_pwr:		The power supplied into the core
770 * @io_pwr:		The power supplied into the I/O
771 * @reset:		The descriptor for GPIO line tied to its reset pin
772 * @mcm:		Flag for distinguishing if standalone IC or module
773 *			coupling
774 * @ports:		Holding the state among ports
775 * @reg_mutex:		The lock for protecting among process accessing
776 *			registers
777 * @p6_interface	Holding the current port 6 interface
778 * @p5_intf_sel:	Holding the current port 5 interface select
779 * @irq:		IRQ number of the switch
780 * @irq_domain:		IRQ domain of the switch irq_chip
781 * @irq_enable:		IRQ enable bits, synced to SYS_INT_EN
782 * @create_sgmii:	Pointer to function creating SGMII PCS instance(s)
783 */
784struct mt7530_priv {
785	struct device		*dev;
786	struct dsa_switch	*ds;
787	struct mii_bus		*bus;
788	struct regmap		*regmap;
789	struct reset_control	*rstc;
790	struct regulator	*core_pwr;
791	struct regulator	*io_pwr;
792	struct gpio_desc	*reset;
793	const struct mt753x_info *info;
794	unsigned int		id;
795	bool			mcm;
796	phy_interface_t		p6_interface;
797	phy_interface_t		p5_interface;
798	unsigned int		p5_intf_sel;
799	u8			mirror_rx;
800	u8			mirror_tx;
801	struct mt7530_port	ports[MT7530_NUM_PORTS];
802	struct mt753x_pcs	pcs[MT7530_NUM_PORTS];
803	/* protect among processes for registers access*/
804	struct mutex reg_mutex;
805	int irq;
806	struct irq_domain *irq_domain;
807	u32 irq_enable;
808	int (*create_sgmii)(struct mt7530_priv *priv, bool dual_sgmii);
809};
810
811struct mt7530_hw_vlan_entry {
812	int port;
813	u8  old_members;
814	bool untagged;
815};
816
817static inline void mt7530_hw_vlan_entry_init(struct mt7530_hw_vlan_entry *e,
818					     int port, bool untagged)
819{
820	e->port = port;
821	e->untagged = untagged;
822}
823
824typedef void (*mt7530_vlan_op)(struct mt7530_priv *,
825			       struct mt7530_hw_vlan_entry *);
826
827struct mt7530_hw_stats {
828	const char	*string;
829	u16		reg;
830	u8		sizeof_stat;
831};
832
833struct mt7530_dummy_poll {
834	struct mt7530_priv *priv;
835	u32 reg;
836};
837
838static inline void INIT_MT7530_DUMMY_POLL(struct mt7530_dummy_poll *p,
839					  struct mt7530_priv *priv, u32 reg)
840{
841	p->priv = priv;
842	p->reg = reg;
843}
844
845int mt7530_probe_common(struct mt7530_priv *priv);
846void mt7530_remove_common(struct mt7530_priv *priv);
847
848extern const struct dsa_switch_ops mt7530_switch_ops;
849extern const struct mt753x_info mt753x_table[];
850
851#endif /* __MT7530_H */
852