xref: /openbmc/linux/drivers/net/dsa/mt7530.h (revision c845428b7a9157523103100806bc8130d64769c8)
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  
mt7530_hw_vlan_entry_init(struct mt7530_hw_vlan_entry * e,int port,bool untagged)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  
INIT_MT7530_DUMMY_POLL(struct mt7530_dummy_poll * p,struct mt7530_priv * priv,u32 reg)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