xref: /openbmc/linux/drivers/net/dsa/mt7530.h (revision 35f752be)
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_CPU_PORT			6
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 };
22 
23 #define	NUM_TRGMII_CTRL			5
24 
25 #define TRGMII_BASE(x)			(0x10000 + (x))
26 
27 /* Registers to ethsys access */
28 #define ETHSYS_CLKCFG0			0x2c
29 #define  ETHSYS_TRGMII_CLK_SEL362_5	BIT(11)
30 
31 #define SYSC_REG_RSTCTRL		0x34
32 #define  RESET_MCM			BIT(2)
33 
34 /* Registers to mac forward control for unknown frames */
35 #define MT7530_MFC			0x10
36 #define  BC_FFP(x)			(((x) & 0xff) << 24)
37 #define  BC_FFP_MASK			BC_FFP(~0)
38 #define  UNM_FFP(x)			(((x) & 0xff) << 16)
39 #define  UNM_FFP_MASK			UNM_FFP(~0)
40 #define  UNU_FFP(x)			(((x) & 0xff) << 8)
41 #define  UNU_FFP_MASK			UNU_FFP(~0)
42 #define  CPU_EN				BIT(7)
43 #define  CPU_PORT(x)			((x) << 4)
44 #define  CPU_MASK			(0xf << 4)
45 #define  MIRROR_EN			BIT(3)
46 #define  MIRROR_PORT(x)			((x) & 0x7)
47 #define  MIRROR_MASK			0x7
48 
49 /* Registers for CPU forward control */
50 #define MT7531_CFC			0x4
51 #define  MT7531_MIRROR_EN		BIT(19)
52 #define  MT7531_MIRROR_MASK		(MIRROR_MASK << 16)
53 #define  MT7531_MIRROR_PORT_GET(x)	(((x) >> 16) & MIRROR_MASK)
54 #define  MT7531_MIRROR_PORT_SET(x)	(((x) & MIRROR_MASK) << 16)
55 #define  MT7531_CPU_PMAP_MASK		GENMASK(7, 0)
56 
57 #define MT753X_MIRROR_REG(id)		(((id) == ID_MT7531) ? \
58 					 MT7531_CFC : MT7530_MFC)
59 #define MT753X_MIRROR_EN(id)		(((id) == ID_MT7531) ? \
60 					 MT7531_MIRROR_EN : MIRROR_EN)
61 #define MT753X_MIRROR_MASK(id)		(((id) == ID_MT7531) ? \
62 					 MT7531_MIRROR_MASK : MIRROR_MASK)
63 
64 /* Registers for BPDU and PAE frame control*/
65 #define MT753X_BPC			0x24
66 #define  MT753X_BPDU_PORT_FW_MASK	GENMASK(2, 0)
67 
68 enum mt753x_bpdu_port_fw {
69 	MT753X_BPDU_FOLLOW_MFC,
70 	MT753X_BPDU_CPU_EXCLUDE = 4,
71 	MT753X_BPDU_CPU_INCLUDE = 5,
72 	MT753X_BPDU_CPU_ONLY = 6,
73 	MT753X_BPDU_DROP = 7,
74 };
75 
76 /* Registers for address table access */
77 #define MT7530_ATA1			0x74
78 #define  STATIC_EMP			0
79 #define  STATIC_ENT			3
80 #define MT7530_ATA2			0x78
81 
82 /* Register for address table write data */
83 #define MT7530_ATWD			0x7c
84 
85 /* Register for address table control */
86 #define MT7530_ATC			0x80
87 #define  ATC_HASH			(((x) & 0xfff) << 16)
88 #define  ATC_BUSY			BIT(15)
89 #define  ATC_SRCH_END			BIT(14)
90 #define  ATC_SRCH_HIT			BIT(13)
91 #define  ATC_INVALID			BIT(12)
92 #define  ATC_MAT(x)			(((x) & 0xf) << 8)
93 #define  ATC_MAT_MACTAB			ATC_MAT(0)
94 
95 enum mt7530_fdb_cmd {
96 	MT7530_FDB_READ	= 0,
97 	MT7530_FDB_WRITE = 1,
98 	MT7530_FDB_FLUSH = 2,
99 	MT7530_FDB_START = 4,
100 	MT7530_FDB_NEXT = 5,
101 };
102 
103 /* Registers for table search read address */
104 #define MT7530_TSRA1			0x84
105 #define  MAC_BYTE_0			24
106 #define  MAC_BYTE_1			16
107 #define  MAC_BYTE_2			8
108 #define  MAC_BYTE_3			0
109 #define  MAC_BYTE_MASK			0xff
110 
111 #define MT7530_TSRA2			0x88
112 #define  MAC_BYTE_4			24
113 #define  MAC_BYTE_5			16
114 #define  CVID				0
115 #define  CVID_MASK			0xfff
116 
117 #define MT7530_ATRD			0x8C
118 #define	 AGE_TIMER			24
119 #define  AGE_TIMER_MASK			0xff
120 #define  PORT_MAP			4
121 #define  PORT_MAP_MASK			0xff
122 #define  ENT_STATUS			2
123 #define  ENT_STATUS_MASK		0x3
124 
125 /* Register for vlan table control */
126 #define MT7530_VTCR			0x90
127 #define  VTCR_BUSY			BIT(31)
128 #define  VTCR_INVALID			BIT(16)
129 #define  VTCR_FUNC(x)			(((x) & 0xf) << 12)
130 #define  VTCR_VID			((x) & 0xfff)
131 
132 enum mt7530_vlan_cmd {
133 	/* Read/Write the specified VID entry from VAWD register based
134 	 * on VID.
135 	 */
136 	MT7530_VTCR_RD_VID = 0,
137 	MT7530_VTCR_WR_VID = 1,
138 };
139 
140 /* Register for setup vlan and acl write data */
141 #define MT7530_VAWD1			0x94
142 #define  PORT_STAG			BIT(31)
143 /* Independent VLAN Learning */
144 #define  IVL_MAC			BIT(30)
145 /* Per VLAN Egress Tag Control */
146 #define  VTAG_EN			BIT(28)
147 /* VLAN Member Control */
148 #define  PORT_MEM(x)			(((x) & 0xff) << 16)
149 /* VLAN Entry Valid */
150 #define  VLAN_VALID			BIT(0)
151 #define  PORT_MEM_SHFT			16
152 #define  PORT_MEM_MASK			0xff
153 
154 #define MT7530_VAWD2			0x98
155 /* Egress Tag Control */
156 #define  ETAG_CTRL_P(p, x)		(((x) & 0x3) << ((p) << 1))
157 #define  ETAG_CTRL_P_MASK(p)		ETAG_CTRL_P(p, 3)
158 
159 enum mt7530_vlan_egress_attr {
160 	MT7530_VLAN_EGRESS_UNTAG = 0,
161 	MT7530_VLAN_EGRESS_TAG = 2,
162 	MT7530_VLAN_EGRESS_STACK = 3,
163 };
164 
165 /* Register for address age control */
166 #define MT7530_AAC			0xa0
167 /* Disable ageing */
168 #define  AGE_DIS			BIT(20)
169 /* Age count */
170 #define  AGE_CNT_MASK			GENMASK(19, 12)
171 #define  AGE_CNT_MAX			0xff
172 #define  AGE_CNT(x)			(AGE_CNT_MASK & ((x) << 12))
173 /* Age unit */
174 #define  AGE_UNIT_MASK			GENMASK(11, 0)
175 #define  AGE_UNIT_MAX			0xfff
176 #define  AGE_UNIT(x)			(AGE_UNIT_MASK & (x))
177 
178 /* Register for port STP state control */
179 #define MT7530_SSP_P(x)			(0x2000 + ((x) * 0x100))
180 #define  FID_PST(x)			((x) & 0x3)
181 #define  FID_PST_MASK			FID_PST(0x3)
182 
183 enum mt7530_stp_state {
184 	MT7530_STP_DISABLED = 0,
185 	MT7530_STP_BLOCKING = 1,
186 	MT7530_STP_LISTENING = 1,
187 	MT7530_STP_LEARNING = 2,
188 	MT7530_STP_FORWARDING  = 3
189 };
190 
191 /* Register for port control */
192 #define MT7530_PCR_P(x)			(0x2004 + ((x) * 0x100))
193 #define  PORT_TX_MIR			BIT(9)
194 #define  PORT_RX_MIR			BIT(8)
195 #define  PORT_VLAN(x)			((x) & 0x3)
196 
197 enum mt7530_port_mode {
198 	/* Port Matrix Mode: Frames are forwarded by the PCR_MATRIX members. */
199 	MT7530_PORT_MATRIX_MODE = PORT_VLAN(0),
200 
201 	/* Fallback Mode: Forward received frames with ingress ports that do
202 	 * not belong to the VLAN member. Frames whose VID is not listed on
203 	 * the VLAN table are forwarded by the PCR_MATRIX members.
204 	 */
205 	MT7530_PORT_FALLBACK_MODE = PORT_VLAN(1),
206 
207 	/* Security Mode: Discard any frame due to ingress membership
208 	 * violation or VID missed on the VLAN table.
209 	 */
210 	MT7530_PORT_SECURITY_MODE = PORT_VLAN(3),
211 };
212 
213 #define  PCR_MATRIX(x)			(((x) & 0xff) << 16)
214 #define  PORT_PRI(x)			(((x) & 0x7) << 24)
215 #define  EG_TAG(x)			(((x) & 0x3) << 28)
216 #define  PCR_MATRIX_MASK		PCR_MATRIX(0xff)
217 #define  PCR_MATRIX_CLR			PCR_MATRIX(0)
218 #define  PCR_PORT_VLAN_MASK		PORT_VLAN(3)
219 
220 /* Register for port security control */
221 #define MT7530_PSC_P(x)			(0x200c + ((x) * 0x100))
222 #define  SA_DIS				BIT(4)
223 
224 /* Register for port vlan control */
225 #define MT7530_PVC_P(x)			(0x2010 + ((x) * 0x100))
226 #define  PORT_SPEC_TAG			BIT(5)
227 #define  PVC_EG_TAG(x)			(((x) & 0x7) << 8)
228 #define  PVC_EG_TAG_MASK		PVC_EG_TAG(7)
229 #define  VLAN_ATTR(x)			(((x) & 0x3) << 6)
230 #define  VLAN_ATTR_MASK			VLAN_ATTR(3)
231 
232 enum mt7530_vlan_port_eg_tag {
233 	MT7530_VLAN_EG_DISABLED = 0,
234 	MT7530_VLAN_EG_CONSISTENT = 1,
235 };
236 
237 enum mt7530_vlan_port_attr {
238 	MT7530_VLAN_USER = 0,
239 	MT7530_VLAN_TRANSPARENT = 3,
240 };
241 
242 #define  STAG_VPID			(((x) & 0xffff) << 16)
243 
244 /* Register for port port-and-protocol based vlan 1 control */
245 #define MT7530_PPBV1_P(x)		(0x2014 + ((x) * 0x100))
246 #define  G0_PORT_VID(x)			(((x) & 0xfff) << 0)
247 #define  G0_PORT_VID_MASK		G0_PORT_VID(0xfff)
248 #define  G0_PORT_VID_DEF		G0_PORT_VID(1)
249 
250 /* Register for port MAC control register */
251 #define MT7530_PMCR_P(x)		(0x3000 + ((x) * 0x100))
252 #define  PMCR_IFG_XMIT(x)		(((x) & 0x3) << 18)
253 #define  PMCR_EXT_PHY			BIT(17)
254 #define  PMCR_MAC_MODE			BIT(16)
255 #define  PMCR_FORCE_MODE		BIT(15)
256 #define  PMCR_TX_EN			BIT(14)
257 #define  PMCR_RX_EN			BIT(13)
258 #define  PMCR_BACKOFF_EN		BIT(9)
259 #define  PMCR_BACKPR_EN			BIT(8)
260 #define  PMCR_FORCE_EEE1G		BIT(7)
261 #define  PMCR_FORCE_EEE100		BIT(6)
262 #define  PMCR_TX_FC_EN			BIT(5)
263 #define  PMCR_RX_FC_EN			BIT(4)
264 #define  PMCR_FORCE_SPEED_1000		BIT(3)
265 #define  PMCR_FORCE_SPEED_100		BIT(2)
266 #define  PMCR_FORCE_FDX			BIT(1)
267 #define  PMCR_FORCE_LNK			BIT(0)
268 #define  PMCR_SPEED_MASK		(PMCR_FORCE_SPEED_100 | \
269 					 PMCR_FORCE_SPEED_1000)
270 #define  MT7531_FORCE_LNK		BIT(31)
271 #define  MT7531_FORCE_SPD		BIT(30)
272 #define  MT7531_FORCE_DPX		BIT(29)
273 #define  MT7531_FORCE_RX_FC		BIT(28)
274 #define  MT7531_FORCE_TX_FC		BIT(27)
275 #define  MT7531_FORCE_MODE		(MT7531_FORCE_LNK | \
276 					 MT7531_FORCE_SPD | \
277 					 MT7531_FORCE_DPX | \
278 					 MT7531_FORCE_RX_FC | \
279 					 MT7531_FORCE_TX_FC)
280 #define  PMCR_FORCE_MODE_ID(id)		(((id) == ID_MT7531) ? \
281 					 MT7531_FORCE_MODE : \
282 					 PMCR_FORCE_MODE)
283 #define  PMCR_LINK_SETTINGS_MASK	(PMCR_TX_EN | PMCR_FORCE_SPEED_1000 | \
284 					 PMCR_RX_EN | PMCR_FORCE_SPEED_100 | \
285 					 PMCR_TX_FC_EN | PMCR_RX_FC_EN | \
286 					 PMCR_FORCE_FDX | PMCR_FORCE_LNK | \
287 					 PMCR_FORCE_EEE1G | PMCR_FORCE_EEE100)
288 #define  PMCR_CPU_PORT_SETTING(id)	(PMCR_FORCE_MODE_ID((id)) | \
289 					 PMCR_IFG_XMIT(1) | PMCR_MAC_MODE | \
290 					 PMCR_BACKOFF_EN | PMCR_BACKPR_EN | \
291 					 PMCR_TX_EN | PMCR_RX_EN | \
292 					 PMCR_TX_FC_EN | PMCR_RX_FC_EN | \
293 					 PMCR_FORCE_SPEED_1000 | \
294 					 PMCR_FORCE_FDX | PMCR_FORCE_LNK)
295 
296 #define MT7530_PMEEECR_P(x)		(0x3004 + (x) * 0x100)
297 #define  WAKEUP_TIME_1000(x)		(((x) & 0xFF) << 24)
298 #define  WAKEUP_TIME_100(x)		(((x) & 0xFF) << 16)
299 #define  LPI_THRESH_MASK		GENMASK(15, 4)
300 #define  LPI_THRESH_SHT			4
301 #define  SET_LPI_THRESH(x)		(((x) << LPI_THRESH_SHT) & LPI_THRESH_MASK)
302 #define  GET_LPI_THRESH(x)		(((x) & LPI_THRESH_MASK) >> LPI_THRESH_SHT)
303 #define  LPI_MODE_EN			BIT(0)
304 
305 #define MT7530_PMSR_P(x)		(0x3008 + (x) * 0x100)
306 #define  PMSR_EEE1G			BIT(7)
307 #define  PMSR_EEE100M			BIT(6)
308 #define  PMSR_RX_FC			BIT(5)
309 #define  PMSR_TX_FC			BIT(4)
310 #define  PMSR_SPEED_1000		BIT(3)
311 #define  PMSR_SPEED_100			BIT(2)
312 #define  PMSR_SPEED_10			0x00
313 #define  PMSR_SPEED_MASK		(PMSR_SPEED_100 | PMSR_SPEED_1000)
314 #define  PMSR_DPX			BIT(1)
315 #define  PMSR_LINK			BIT(0)
316 
317 /* Register for port debug count */
318 #define MT7531_DBG_CNT(x)		(0x3018 + (x) * 0x100)
319 #define  MT7531_DIS_CLR			BIT(31)
320 
321 #define MT7530_GMACCR			0x30e0
322 #define  MAX_RX_JUMBO(x)		((x) << 2)
323 #define  MAX_RX_JUMBO_MASK		GENMASK(5, 2)
324 #define  MAX_RX_PKT_LEN_MASK		GENMASK(1, 0)
325 #define  MAX_RX_PKT_LEN_1522		0x0
326 #define  MAX_RX_PKT_LEN_1536		0x1
327 #define  MAX_RX_PKT_LEN_1552		0x2
328 #define  MAX_RX_PKT_LEN_JUMBO		0x3
329 
330 /* Register for MIB */
331 #define MT7530_PORT_MIB_COUNTER(x)	(0x4000 + (x) * 0x100)
332 #define MT7530_MIB_CCR			0x4fe0
333 #define  CCR_MIB_ENABLE			BIT(31)
334 #define  CCR_RX_OCT_CNT_GOOD		BIT(7)
335 #define  CCR_RX_OCT_CNT_BAD		BIT(6)
336 #define  CCR_TX_OCT_CNT_GOOD		BIT(5)
337 #define  CCR_TX_OCT_CNT_BAD		BIT(4)
338 #define  CCR_MIB_FLUSH			(CCR_RX_OCT_CNT_GOOD | \
339 					 CCR_RX_OCT_CNT_BAD | \
340 					 CCR_TX_OCT_CNT_GOOD | \
341 					 CCR_TX_OCT_CNT_BAD)
342 #define  CCR_MIB_ACTIVATE		(CCR_MIB_ENABLE | \
343 					 CCR_RX_OCT_CNT_GOOD | \
344 					 CCR_RX_OCT_CNT_BAD | \
345 					 CCR_TX_OCT_CNT_GOOD | \
346 					 CCR_TX_OCT_CNT_BAD)
347 
348 /* MT7531 SGMII register group */
349 #define MT7531_SGMII_REG_BASE		0x5000
350 #define MT7531_SGMII_REG(p, r)		(MT7531_SGMII_REG_BASE + \
351 					((p) - 5) * 0x1000 + (r))
352 
353 /* Register forSGMII PCS_CONTROL_1 */
354 #define MT7531_PCS_CONTROL_1(p)		MT7531_SGMII_REG(p, 0x00)
355 #define  MT7531_SGMII_LINK_STATUS	BIT(18)
356 #define  MT7531_SGMII_AN_ENABLE		BIT(12)
357 #define  MT7531_SGMII_AN_RESTART	BIT(9)
358 
359 /* Register for SGMII PCS_SPPED_ABILITY */
360 #define MT7531_PCS_SPEED_ABILITY(p)	MT7531_SGMII_REG(p, 0x08)
361 #define  MT7531_SGMII_TX_CONFIG_MASK	GENMASK(15, 0)
362 #define  MT7531_SGMII_TX_CONFIG		BIT(0)
363 
364 /* Register for SGMII_MODE */
365 #define MT7531_SGMII_MODE(p)		MT7531_SGMII_REG(p, 0x20)
366 #define  MT7531_SGMII_REMOTE_FAULT_DIS	BIT(8)
367 #define  MT7531_SGMII_IF_MODE_MASK	GENMASK(5, 1)
368 #define  MT7531_SGMII_FORCE_DUPLEX	BIT(4)
369 #define  MT7531_SGMII_FORCE_SPEED_MASK	GENMASK(3, 2)
370 #define  MT7531_SGMII_FORCE_SPEED_1000	BIT(3)
371 #define  MT7531_SGMII_FORCE_SPEED_100	BIT(2)
372 #define  MT7531_SGMII_FORCE_SPEED_10	0
373 #define  MT7531_SGMII_SPEED_DUPLEX_AN	BIT(1)
374 
375 enum mt7531_sgmii_force_duplex {
376 	MT7531_SGMII_FORCE_FULL_DUPLEX = 0,
377 	MT7531_SGMII_FORCE_HALF_DUPLEX = 0x10,
378 };
379 
380 /* Fields of QPHY_PWR_STATE_CTRL */
381 #define MT7531_QPHY_PWR_STATE_CTRL(p)	MT7531_SGMII_REG(p, 0xe8)
382 #define  MT7531_SGMII_PHYA_PWD		BIT(4)
383 
384 /* Values of SGMII SPEED */
385 #define MT7531_PHYA_CTRL_SIGNAL3(p)	MT7531_SGMII_REG(p, 0x128)
386 #define  MT7531_RG_TPHY_SPEED_MASK	(BIT(2) | BIT(3))
387 #define  MT7531_RG_TPHY_SPEED_1_25G	0x0
388 #define  MT7531_RG_TPHY_SPEED_3_125G	BIT(2)
389 
390 /* Register for system reset */
391 #define MT7530_SYS_CTRL			0x7000
392 #define  SYS_CTRL_PHY_RST		BIT(2)
393 #define  SYS_CTRL_SW_RST		BIT(1)
394 #define  SYS_CTRL_REG_RST		BIT(0)
395 
396 /* Register for PHY Indirect Access Control */
397 #define MT7531_PHY_IAC			0x701C
398 #define  MT7531_PHY_ACS_ST		BIT(31)
399 #define  MT7531_MDIO_REG_ADDR_MASK	(0x1f << 25)
400 #define  MT7531_MDIO_PHY_ADDR_MASK	(0x1f << 20)
401 #define  MT7531_MDIO_CMD_MASK		(0x3 << 18)
402 #define  MT7531_MDIO_ST_MASK		(0x3 << 16)
403 #define  MT7531_MDIO_RW_DATA_MASK	(0xffff)
404 #define  MT7531_MDIO_REG_ADDR(x)	(((x) & 0x1f) << 25)
405 #define  MT7531_MDIO_DEV_ADDR(x)	(((x) & 0x1f) << 25)
406 #define  MT7531_MDIO_PHY_ADDR(x)	(((x) & 0x1f) << 20)
407 #define  MT7531_MDIO_CMD(x)		(((x) & 0x3) << 18)
408 #define  MT7531_MDIO_ST(x)		(((x) & 0x3) << 16)
409 
410 enum mt7531_phy_iac_cmd {
411 	MT7531_MDIO_ADDR = 0,
412 	MT7531_MDIO_WRITE = 1,
413 	MT7531_MDIO_READ = 2,
414 	MT7531_MDIO_READ_CL45 = 3,
415 };
416 
417 /* MDIO_ST: MDIO start field */
418 enum mt7531_mdio_st {
419 	MT7531_MDIO_ST_CL45 = 0,
420 	MT7531_MDIO_ST_CL22 = 1,
421 };
422 
423 #define  MT7531_MDIO_CL22_READ		(MT7531_MDIO_ST(MT7531_MDIO_ST_CL22) | \
424 					 MT7531_MDIO_CMD(MT7531_MDIO_READ))
425 #define  MT7531_MDIO_CL22_WRITE		(MT7531_MDIO_ST(MT7531_MDIO_ST_CL22) | \
426 					 MT7531_MDIO_CMD(MT7531_MDIO_WRITE))
427 #define  MT7531_MDIO_CL45_ADDR		(MT7531_MDIO_ST(MT7531_MDIO_ST_CL45) | \
428 					 MT7531_MDIO_CMD(MT7531_MDIO_ADDR))
429 #define  MT7531_MDIO_CL45_READ		(MT7531_MDIO_ST(MT7531_MDIO_ST_CL45) | \
430 					 MT7531_MDIO_CMD(MT7531_MDIO_READ))
431 #define  MT7531_MDIO_CL45_WRITE		(MT7531_MDIO_ST(MT7531_MDIO_ST_CL45) | \
432 					 MT7531_MDIO_CMD(MT7531_MDIO_WRITE))
433 
434 /* Register for RGMII clock phase */
435 #define MT7531_CLKGEN_CTRL		0x7500
436 #define  CLK_SKEW_OUT(x)		(((x) & 0x3) << 8)
437 #define  CLK_SKEW_OUT_MASK		GENMASK(9, 8)
438 #define  CLK_SKEW_IN(x)			(((x) & 0x3) << 6)
439 #define  CLK_SKEW_IN_MASK		GENMASK(7, 6)
440 #define  RXCLK_NO_DELAY			BIT(5)
441 #define  TXCLK_NO_REVERSE		BIT(4)
442 #define  GP_MODE(x)			(((x) & 0x3) << 1)
443 #define  GP_MODE_MASK			GENMASK(2, 1)
444 #define  GP_CLK_EN			BIT(0)
445 
446 enum mt7531_gp_mode {
447 	MT7531_GP_MODE_RGMII = 0,
448 	MT7531_GP_MODE_MII = 1,
449 	MT7531_GP_MODE_REV_MII = 2
450 };
451 
452 enum mt7531_clk_skew {
453 	MT7531_CLK_SKEW_NO_CHG = 0,
454 	MT7531_CLK_SKEW_DLY_100PPS = 1,
455 	MT7531_CLK_SKEW_DLY_200PPS = 2,
456 	MT7531_CLK_SKEW_REVERSE = 3,
457 };
458 
459 /* Register for hw trap status */
460 #define MT7530_HWTRAP			0x7800
461 #define  HWTRAP_XTAL_MASK		(BIT(10) | BIT(9))
462 #define  HWTRAP_XTAL_25MHZ		(BIT(10) | BIT(9))
463 #define  HWTRAP_XTAL_40MHZ		(BIT(10))
464 #define  HWTRAP_XTAL_20MHZ		(BIT(9))
465 
466 #define MT7531_HWTRAP			0x7800
467 #define  HWTRAP_XTAL_FSEL_MASK		BIT(7)
468 #define  HWTRAP_XTAL_FSEL_25MHZ		BIT(7)
469 #define  HWTRAP_XTAL_FSEL_40MHZ		0
470 /* Unique fields of (M)HWSTRAP for MT7531 */
471 #define  XTAL_FSEL_S			7
472 #define  XTAL_FSEL_M			BIT(7)
473 #define  PHY_EN				BIT(6)
474 #define  CHG_STRAP			BIT(8)
475 
476 /* Register for hw trap modification */
477 #define MT7530_MHWTRAP			0x7804
478 #define  MHWTRAP_PHY0_SEL		BIT(20)
479 #define  MHWTRAP_MANUAL			BIT(16)
480 #define  MHWTRAP_P5_MAC_SEL		BIT(13)
481 #define  MHWTRAP_P6_DIS			BIT(8)
482 #define  MHWTRAP_P5_RGMII_MODE		BIT(7)
483 #define  MHWTRAP_P5_DIS			BIT(6)
484 #define  MHWTRAP_PHY_ACCESS		BIT(5)
485 
486 /* Register for TOP signal control */
487 #define MT7530_TOP_SIG_CTRL		0x7808
488 #define  TOP_SIG_CTRL_NORMAL		(BIT(17) | BIT(16))
489 
490 #define MT7531_TOP_SIG_SR		0x780c
491 #define  PAD_DUAL_SGMII_EN		BIT(1)
492 #define  PAD_MCM_SMI_EN			BIT(0)
493 
494 #define MT7530_IO_DRV_CR		0x7810
495 #define  P5_IO_CLK_DRV(x)		((x) & 0x3)
496 #define  P5_IO_DATA_DRV(x)		(((x) & 0x3) << 4)
497 
498 #define MT7531_CHIP_REV			0x781C
499 
500 #define MT7531_PLLGP_EN			0x7820
501 #define  EN_COREPLL			BIT(2)
502 #define  SW_CLKSW			BIT(1)
503 #define  SW_PLLGP			BIT(0)
504 
505 #define MT7530_P6ECR			0x7830
506 #define  P6_INTF_MODE_MASK		0x3
507 #define  P6_INTF_MODE(x)		((x) & 0x3)
508 
509 #define MT7531_PLLGP_CR0		0x78a8
510 #define  RG_COREPLL_EN			BIT(22)
511 #define  RG_COREPLL_POSDIV_S		23
512 #define  RG_COREPLL_POSDIV_M		0x3800000
513 #define  RG_COREPLL_SDM_PCW_S		1
514 #define  RG_COREPLL_SDM_PCW_M		0x3ffffe
515 #define  RG_COREPLL_SDM_PCW_CHG		BIT(0)
516 
517 /* Registers for RGMII and SGMII PLL clock */
518 #define MT7531_ANA_PLLGP_CR2		0x78b0
519 #define MT7531_ANA_PLLGP_CR5		0x78bc
520 
521 /* Registers for TRGMII on the both side */
522 #define MT7530_TRGMII_RCK_CTRL		0x7a00
523 #define  RX_RST				BIT(31)
524 #define  RXC_DQSISEL			BIT(30)
525 #define  DQSI1_TAP_MASK			(0x7f << 8)
526 #define  DQSI0_TAP_MASK			0x7f
527 #define  DQSI1_TAP(x)			(((x) & 0x7f) << 8)
528 #define  DQSI0_TAP(x)			((x) & 0x7f)
529 
530 #define MT7530_TRGMII_RCK_RTT		0x7a04
531 #define  DQS1_GATE			BIT(31)
532 #define  DQS0_GATE			BIT(30)
533 
534 #define MT7530_TRGMII_RD(x)		(0x7a10 + (x) * 8)
535 #define  BSLIP_EN			BIT(31)
536 #define  EDGE_CHK			BIT(30)
537 #define  RD_TAP_MASK			0x7f
538 #define  RD_TAP(x)			((x) & 0x7f)
539 
540 #define MT7530_TRGMII_TXCTRL		0x7a40
541 #define  TRAIN_TXEN			BIT(31)
542 #define  TXC_INV			BIT(30)
543 #define  TX_RST				BIT(28)
544 
545 #define MT7530_TRGMII_TD_ODT(i)		(0x7a54 + 8 * (i))
546 #define  TD_DM_DRVP(x)			((x) & 0xf)
547 #define  TD_DM_DRVN(x)			(((x) & 0xf) << 4)
548 
549 #define MT7530_TRGMII_TCK_CTRL		0x7a78
550 #define  TCK_TAP(x)			(((x) & 0xf) << 8)
551 
552 #define MT7530_P5RGMIIRXCR		0x7b00
553 #define  CSR_RGMII_EDGE_ALIGN		BIT(8)
554 #define  CSR_RGMII_RXC_0DEG_CFG(x)	((x) & 0xf)
555 
556 #define MT7530_P5RGMIITXCR		0x7b04
557 #define  CSR_RGMII_TXC_CFG(x)		((x) & 0x1f)
558 
559 /* Registers for GPIO mode */
560 #define MT7531_GPIO_MODE0		0x7c0c
561 #define  MT7531_GPIO0_MASK		GENMASK(3, 0)
562 #define  MT7531_GPIO0_INTERRUPT		1
563 
564 #define MT7531_GPIO_MODE1		0x7c10
565 #define  MT7531_GPIO11_RG_RXD2_MASK	GENMASK(15, 12)
566 #define  MT7531_EXT_P_MDC_11		(2 << 12)
567 #define  MT7531_GPIO12_RG_RXD3_MASK	GENMASK(19, 16)
568 #define  MT7531_EXT_P_MDIO_12		(2 << 16)
569 
570 /* Registers for LED GPIO control (MT7530 only)
571  * All registers follow this pattern:
572  * [ 2: 0]  port 0
573  * [ 6: 4]  port 1
574  * [10: 8]  port 2
575  * [14:12]  port 3
576  * [18:16]  port 4
577  */
578 
579 /* LED enable, 0: Disable, 1: Enable (Default) */
580 #define MT7530_LED_EN			0x7d00
581 /* LED mode, 0: GPIO mode, 1: PHY mode (Default) */
582 #define MT7530_LED_IO_MODE		0x7d04
583 /* GPIO direction, 0: Input, 1: Output */
584 #define MT7530_LED_GPIO_DIR		0x7d10
585 /* GPIO output enable, 0: Disable, 1: Enable */
586 #define MT7530_LED_GPIO_OE		0x7d14
587 /* GPIO value, 0: Low, 1: High */
588 #define MT7530_LED_GPIO_DATA		0x7d18
589 
590 #define MT7530_CREV			0x7ffc
591 #define  CHIP_NAME_SHIFT		16
592 #define  MT7530_ID			0x7530
593 
594 #define MT7531_CREV			0x781C
595 #define  CHIP_REV_M			0x0f
596 #define  MT7531_ID			0x7531
597 
598 /* Registers for core PLL access through mmd indirect */
599 #define CORE_PLL_GROUP2			0x401
600 #define  RG_SYSPLL_EN_NORMAL		BIT(15)
601 #define  RG_SYSPLL_VODEN		BIT(14)
602 #define  RG_SYSPLL_LF			BIT(13)
603 #define  RG_SYSPLL_RST_DLY(x)		(((x) & 0x3) << 12)
604 #define  RG_SYSPLL_LVROD_EN		BIT(10)
605 #define  RG_SYSPLL_PREDIV(x)		(((x) & 0x3) << 8)
606 #define  RG_SYSPLL_POSDIV(x)		(((x) & 0x3) << 5)
607 #define  RG_SYSPLL_FBKSEL		BIT(4)
608 #define  RT_SYSPLL_EN_AFE_OLT		BIT(0)
609 
610 #define CORE_PLL_GROUP4			0x403
611 #define  RG_SYSPLL_DDSFBK_EN		BIT(12)
612 #define  RG_SYSPLL_BIAS_EN		BIT(11)
613 #define  RG_SYSPLL_BIAS_LPF_EN		BIT(10)
614 #define  MT7531_PHY_PLL_OFF		BIT(5)
615 #define  MT7531_PHY_PLL_BYPASS_MODE	BIT(4)
616 
617 #define MT753X_CTRL_PHY_ADDR		0
618 
619 #define CORE_PLL_GROUP5			0x404
620 #define  RG_LCDDS_PCW_NCPO1(x)		((x) & 0xffff)
621 
622 #define CORE_PLL_GROUP6			0x405
623 #define  RG_LCDDS_PCW_NCPO0(x)		((x) & 0xffff)
624 
625 #define CORE_PLL_GROUP7			0x406
626 #define  RG_LCDDS_PWDB			BIT(15)
627 #define  RG_LCDDS_ISO_EN		BIT(13)
628 #define  RG_LCCDS_C(x)			(((x) & 0x7) << 4)
629 #define  RG_LCDDS_PCW_NCPO_CHG		BIT(3)
630 
631 #define CORE_PLL_GROUP10		0x409
632 #define  RG_LCDDS_SSC_DELTA(x)		((x) & 0xfff)
633 
634 #define CORE_PLL_GROUP11		0x40a
635 #define  RG_LCDDS_SSC_DELTA1(x)		((x) & 0xfff)
636 
637 #define CORE_GSWPLL_GRP1		0x40d
638 #define  RG_GSWPLL_PREDIV(x)		(((x) & 0x3) << 14)
639 #define  RG_GSWPLL_POSDIV_200M(x)	(((x) & 0x3) << 12)
640 #define  RG_GSWPLL_EN_PRE		BIT(11)
641 #define  RG_GSWPLL_FBKSEL		BIT(10)
642 #define  RG_GSWPLL_BP			BIT(9)
643 #define  RG_GSWPLL_BR			BIT(8)
644 #define  RG_GSWPLL_FBKDIV_200M(x)	((x) & 0xff)
645 
646 #define CORE_GSWPLL_GRP2		0x40e
647 #define  RG_GSWPLL_POSDIV_500M(x)	(((x) & 0x3) << 8)
648 #define  RG_GSWPLL_FBKDIV_500M(x)	((x) & 0xff)
649 
650 #define CORE_TRGMII_GSW_CLK_CG		0x410
651 #define  REG_GSWCK_EN			BIT(0)
652 #define  REG_TRGMIICK_EN		BIT(1)
653 
654 #define MIB_DESC(_s, _o, _n)	\
655 	{			\
656 		.size = (_s),	\
657 		.offset = (_o),	\
658 		.name = (_n),	\
659 	}
660 
661 struct mt7530_mib_desc {
662 	unsigned int size;
663 	unsigned int offset;
664 	const char *name;
665 };
666 
667 struct mt7530_fdb {
668 	u16 vid;
669 	u8 port_mask;
670 	u8 aging;
671 	u8 mac[6];
672 	bool noarp;
673 };
674 
675 /* struct mt7530_port -	This is the main data structure for holding the state
676  *			of the port.
677  * @enable:	The status used for show port is enabled or not.
678  * @pm:		The matrix used to show all connections with the port.
679  * @pvid:	The VLAN specified is to be considered a PVID at ingress.  Any
680  *		untagged frames will be assigned to the related VLAN.
681  * @vlan_filtering: The flags indicating whether the port that can recognize
682  *		    VLAN-tagged frames.
683  */
684 struct mt7530_port {
685 	bool enable;
686 	u32 pm;
687 	u16 pvid;
688 };
689 
690 /* Port 5 interface select definitions */
691 enum p5_interface_select {
692 	P5_DISABLED = 0,
693 	P5_INTF_SEL_PHY_P0,
694 	P5_INTF_SEL_PHY_P4,
695 	P5_INTF_SEL_GMAC5,
696 	P5_INTF_SEL_GMAC5_SGMII,
697 };
698 
699 static const char *p5_intf_modes(unsigned int p5_interface)
700 {
701 	switch (p5_interface) {
702 	case P5_DISABLED:
703 		return "DISABLED";
704 	case P5_INTF_SEL_PHY_P0:
705 		return "PHY P0";
706 	case P5_INTF_SEL_PHY_P4:
707 		return "PHY P4";
708 	case P5_INTF_SEL_GMAC5:
709 		return "GMAC5";
710 	case P5_INTF_SEL_GMAC5_SGMII:
711 		return "GMAC5_SGMII";
712 	default:
713 		return "unknown";
714 	}
715 }
716 
717 /* struct mt753x_info -	This is the main data structure for holding the specific
718  *			part for each supported device
719  * @sw_setup:		Holding the handler to a device initialization
720  * @phy_read:		Holding the way reading PHY port
721  * @phy_write:		Holding the way writing PHY port
722  * @pad_setup:		Holding the way setting up the bus pad for a certain
723  *			MAC port
724  * @phy_mode_supported:	Check if the PHY type is being supported on a certain
725  *			port
726  * @mac_port_validate:	Holding the way to set addition validate type for a
727  *			certan MAC port
728  * @mac_port_get_state: Holding the way getting the MAC/PCS state for a certain
729  *			MAC port
730  * @mac_port_config:	Holding the way setting up the PHY attribute to a
731  *			certain MAC port
732  * @mac_pcs_an_restart	Holding the way restarting PCS autonegotiation for a
733  *			certain MAC port
734  * @mac_pcs_link_up:	Holding the way setting up the PHY attribute to the pcs
735  *			of the certain MAC port
736  */
737 struct mt753x_info {
738 	enum mt753x_id id;
739 
740 	int (*sw_setup)(struct dsa_switch *ds);
741 	int (*phy_read)(struct dsa_switch *ds, int port, int regnum);
742 	int (*phy_write)(struct dsa_switch *ds, int port, int regnum, u16 val);
743 	int (*pad_setup)(struct dsa_switch *ds, phy_interface_t interface);
744 	int (*cpu_port_config)(struct dsa_switch *ds, int port);
745 	bool (*phy_mode_supported)(struct dsa_switch *ds, int port,
746 				   const struct phylink_link_state *state);
747 	void (*mac_port_validate)(struct dsa_switch *ds, int port,
748 				  unsigned long *supported);
749 	int (*mac_port_get_state)(struct dsa_switch *ds, int port,
750 				  struct phylink_link_state *state);
751 	int (*mac_port_config)(struct dsa_switch *ds, int port,
752 			       unsigned int mode,
753 			       phy_interface_t interface);
754 	void (*mac_pcs_an_restart)(struct dsa_switch *ds, int port);
755 	void (*mac_pcs_link_up)(struct dsa_switch *ds, int port,
756 				unsigned int mode, phy_interface_t interface,
757 				int speed, int duplex);
758 };
759 
760 /* struct mt7530_priv -	This is the main data structure for holding the state
761  *			of the driver
762  * @dev:		The device pointer
763  * @ds:			The pointer to the dsa core structure
764  * @bus:		The bus used for the device and built-in PHY
765  * @rstc:		The pointer to reset control used by MCM
766  * @core_pwr:		The power supplied into the core
767  * @io_pwr:		The power supplied into the I/O
768  * @reset:		The descriptor for GPIO line tied to its reset pin
769  * @mcm:		Flag for distinguishing if standalone IC or module
770  *			coupling
771  * @ports:		Holding the state among ports
772  * @reg_mutex:		The lock for protecting among process accessing
773  *			registers
774  * @p6_interface	Holding the current port 6 interface
775  * @p5_intf_sel:	Holding the current port 5 interface select
776  */
777 struct mt7530_priv {
778 	struct device		*dev;
779 	struct dsa_switch	*ds;
780 	struct mii_bus		*bus;
781 	struct reset_control	*rstc;
782 	struct regulator	*core_pwr;
783 	struct regulator	*io_pwr;
784 	struct gpio_desc	*reset;
785 	const struct mt753x_info *info;
786 	unsigned int		id;
787 	bool			mcm;
788 	phy_interface_t		p6_interface;
789 	phy_interface_t		p5_interface;
790 	unsigned int		p5_intf_sel;
791 	u8			mirror_rx;
792 	u8			mirror_tx;
793 
794 	struct mt7530_port	ports[MT7530_NUM_PORTS];
795 	/* protect among processes for registers access*/
796 	struct mutex reg_mutex;
797 };
798 
799 struct mt7530_hw_vlan_entry {
800 	int port;
801 	u8  old_members;
802 	bool untagged;
803 };
804 
805 static inline void mt7530_hw_vlan_entry_init(struct mt7530_hw_vlan_entry *e,
806 					     int port, bool untagged)
807 {
808 	e->port = port;
809 	e->untagged = untagged;
810 }
811 
812 typedef void (*mt7530_vlan_op)(struct mt7530_priv *,
813 			       struct mt7530_hw_vlan_entry *);
814 
815 struct mt7530_hw_stats {
816 	const char	*string;
817 	u16		reg;
818 	u8		sizeof_stat;
819 };
820 
821 struct mt7530_dummy_poll {
822 	struct mt7530_priv *priv;
823 	u32 reg;
824 };
825 
826 static inline void INIT_MT7530_DUMMY_POLL(struct mt7530_dummy_poll *p,
827 					  struct mt7530_priv *priv, u32 reg)
828 {
829 	p->priv = priv;
830 	p->reg = reg;
831 }
832 
833 #endif /* __MT7530_H */
834