xref: /openbmc/linux/drivers/net/dsa/mt7530.h (revision 0be1511f)
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  UNM_FFP(x)			(((x) & 0xff) << 16)
38 #define  UNM_FFP_MASK			UNM_FFP(~0)
39 #define  UNU_FFP(x)			(((x) & 0xff) << 8)
40 #define  UNU_FFP_MASK			UNU_FFP(~0)
41 #define  CPU_EN				BIT(7)
42 #define  CPU_PORT(x)			((x) << 4)
43 #define  CPU_MASK			(0xf << 4)
44 #define  MIRROR_EN			BIT(3)
45 #define  MIRROR_PORT(x)			((x) & 0x7)
46 #define  MIRROR_MASK			0x7
47 
48 /* Registers for CPU forward control */
49 #define MT7531_CFC			0x4
50 #define  MT7531_MIRROR_EN		BIT(19)
51 #define  MT7531_MIRROR_MASK		(MIRROR_MASK << 16)
52 #define  MT7531_MIRROR_PORT_GET(x)	(((x) >> 16) & MIRROR_MASK)
53 #define  MT7531_MIRROR_PORT_SET(x)	(((x) & MIRROR_MASK) << 16)
54 #define  MT7531_CPU_PMAP_MASK		GENMASK(7, 0)
55 
56 #define MT753X_MIRROR_REG(id)		(((id) == ID_MT7531) ? \
57 					 MT7531_CFC : MT7530_MFC)
58 #define MT753X_MIRROR_EN(id)		(((id) == ID_MT7531) ? \
59 					 MT7531_MIRROR_EN : MIRROR_EN)
60 #define MT753X_MIRROR_MASK(id)		(((id) == ID_MT7531) ? \
61 					 MT7531_MIRROR_MASK : MIRROR_MASK)
62 
63 /* Registers for BPDU and PAE frame control*/
64 #define MT753X_BPC			0x24
65 #define  MT753X_BPDU_PORT_FW_MASK	GENMASK(2, 0)
66 
67 enum mt753x_bpdu_port_fw {
68 	MT753X_BPDU_FOLLOW_MFC,
69 	MT753X_BPDU_CPU_EXCLUDE = 4,
70 	MT753X_BPDU_CPU_INCLUDE = 5,
71 	MT753X_BPDU_CPU_ONLY = 6,
72 	MT753X_BPDU_DROP = 7,
73 };
74 
75 /* Registers for address table access */
76 #define MT7530_ATA1			0x74
77 #define  STATIC_EMP			0
78 #define  STATIC_ENT			3
79 #define MT7530_ATA2			0x78
80 
81 /* Register for address table write data */
82 #define MT7530_ATWD			0x7c
83 
84 /* Register for address table control */
85 #define MT7530_ATC			0x80
86 #define  ATC_HASH			(((x) & 0xfff) << 16)
87 #define  ATC_BUSY			BIT(15)
88 #define  ATC_SRCH_END			BIT(14)
89 #define  ATC_SRCH_HIT			BIT(13)
90 #define  ATC_INVALID			BIT(12)
91 #define  ATC_MAT(x)			(((x) & 0xf) << 8)
92 #define  ATC_MAT_MACTAB			ATC_MAT(0)
93 
94 enum mt7530_fdb_cmd {
95 	MT7530_FDB_READ	= 0,
96 	MT7530_FDB_WRITE = 1,
97 	MT7530_FDB_FLUSH = 2,
98 	MT7530_FDB_START = 4,
99 	MT7530_FDB_NEXT = 5,
100 };
101 
102 /* Registers for table search read address */
103 #define MT7530_TSRA1			0x84
104 #define  MAC_BYTE_0			24
105 #define  MAC_BYTE_1			16
106 #define  MAC_BYTE_2			8
107 #define  MAC_BYTE_3			0
108 #define  MAC_BYTE_MASK			0xff
109 
110 #define MT7530_TSRA2			0x88
111 #define  MAC_BYTE_4			24
112 #define  MAC_BYTE_5			16
113 #define  CVID				0
114 #define  CVID_MASK			0xfff
115 
116 #define MT7530_ATRD			0x8C
117 #define	 AGE_TIMER			24
118 #define  AGE_TIMER_MASK			0xff
119 #define  PORT_MAP			4
120 #define  PORT_MAP_MASK			0xff
121 #define  ENT_STATUS			2
122 #define  ENT_STATUS_MASK		0x3
123 
124 /* Register for vlan table control */
125 #define MT7530_VTCR			0x90
126 #define  VTCR_BUSY			BIT(31)
127 #define  VTCR_INVALID			BIT(16)
128 #define  VTCR_FUNC(x)			(((x) & 0xf) << 12)
129 #define  VTCR_VID			((x) & 0xfff)
130 
131 enum mt7530_vlan_cmd {
132 	/* Read/Write the specified VID entry from VAWD register based
133 	 * on VID.
134 	 */
135 	MT7530_VTCR_RD_VID = 0,
136 	MT7530_VTCR_WR_VID = 1,
137 };
138 
139 /* Register for setup vlan and acl write data */
140 #define MT7530_VAWD1			0x94
141 #define  PORT_STAG			BIT(31)
142 /* Independent VLAN Learning */
143 #define  IVL_MAC			BIT(30)
144 /* Per VLAN Egress Tag Control */
145 #define  VTAG_EN			BIT(28)
146 /* VLAN Member Control */
147 #define  PORT_MEM(x)			(((x) & 0xff) << 16)
148 /* VLAN Entry Valid */
149 #define  VLAN_VALID			BIT(0)
150 #define  PORT_MEM_SHFT			16
151 #define  PORT_MEM_MASK			0xff
152 
153 #define MT7530_VAWD2			0x98
154 /* Egress Tag Control */
155 #define  ETAG_CTRL_P(p, x)		(((x) & 0x3) << ((p) << 1))
156 #define  ETAG_CTRL_P_MASK(p)		ETAG_CTRL_P(p, 3)
157 
158 enum mt7530_vlan_egress_attr {
159 	MT7530_VLAN_EGRESS_UNTAG = 0,
160 	MT7530_VLAN_EGRESS_TAG = 2,
161 	MT7530_VLAN_EGRESS_STACK = 3,
162 };
163 
164 /* Register for address age control */
165 #define MT7530_AAC			0xa0
166 /* Disable ageing */
167 #define  AGE_DIS			BIT(20)
168 /* Age count */
169 #define  AGE_CNT_MASK			GENMASK(19, 12)
170 #define  AGE_CNT_MAX			0xff
171 #define  AGE_CNT(x)			(AGE_CNT_MASK & ((x) << 12))
172 /* Age unit */
173 #define  AGE_UNIT_MASK			GENMASK(11, 0)
174 #define  AGE_UNIT_MAX			0xfff
175 #define  AGE_UNIT(x)			(AGE_UNIT_MASK & (x))
176 
177 /* Register for port STP state control */
178 #define MT7530_SSP_P(x)			(0x2000 + ((x) * 0x100))
179 #define  FID_PST(x)			((x) & 0x3)
180 #define  FID_PST_MASK			FID_PST(0x3)
181 
182 enum mt7530_stp_state {
183 	MT7530_STP_DISABLED = 0,
184 	MT7530_STP_BLOCKING = 1,
185 	MT7530_STP_LISTENING = 1,
186 	MT7530_STP_LEARNING = 2,
187 	MT7530_STP_FORWARDING  = 3
188 };
189 
190 /* Register for port control */
191 #define MT7530_PCR_P(x)			(0x2004 + ((x) * 0x100))
192 #define  PORT_TX_MIR			BIT(9)
193 #define  PORT_RX_MIR			BIT(8)
194 #define  PORT_VLAN(x)			((x) & 0x3)
195 
196 enum mt7530_port_mode {
197 	/* Port Matrix Mode: Frames are forwarded by the PCR_MATRIX members. */
198 	MT7530_PORT_MATRIX_MODE = PORT_VLAN(0),
199 
200 	/* Fallback Mode: Forward received frames with ingress ports that do
201 	 * not belong to the VLAN member. Frames whose VID is not listed on
202 	 * the VLAN table are forwarded by the PCR_MATRIX members.
203 	 */
204 	MT7530_PORT_FALLBACK_MODE = PORT_VLAN(1),
205 
206 	/* Security Mode: Discard any frame due to ingress membership
207 	 * violation or VID missed on the VLAN table.
208 	 */
209 	MT7530_PORT_SECURITY_MODE = PORT_VLAN(3),
210 };
211 
212 #define  PCR_MATRIX(x)			(((x) & 0xff) << 16)
213 #define  PORT_PRI(x)			(((x) & 0x7) << 24)
214 #define  EG_TAG(x)			(((x) & 0x3) << 28)
215 #define  PCR_MATRIX_MASK		PCR_MATRIX(0xff)
216 #define  PCR_MATRIX_CLR			PCR_MATRIX(0)
217 #define  PCR_PORT_VLAN_MASK		PORT_VLAN(3)
218 
219 /* Register for port security control */
220 #define MT7530_PSC_P(x)			(0x200c + ((x) * 0x100))
221 #define  SA_DIS				BIT(4)
222 
223 /* Register for port vlan control */
224 #define MT7530_PVC_P(x)			(0x2010 + ((x) * 0x100))
225 #define  PORT_SPEC_TAG			BIT(5)
226 #define  PVC_EG_TAG(x)			(((x) & 0x7) << 8)
227 #define  PVC_EG_TAG_MASK		PVC_EG_TAG(7)
228 #define  VLAN_ATTR(x)			(((x) & 0x3) << 6)
229 #define  VLAN_ATTR_MASK			VLAN_ATTR(3)
230 
231 enum mt7530_vlan_port_eg_tag {
232 	MT7530_VLAN_EG_DISABLED = 0,
233 	MT7530_VLAN_EG_CONSISTENT = 1,
234 };
235 
236 enum mt7530_vlan_port_attr {
237 	MT7530_VLAN_USER = 0,
238 	MT7530_VLAN_TRANSPARENT = 3,
239 };
240 
241 #define  STAG_VPID			(((x) & 0xffff) << 16)
242 
243 /* Register for port port-and-protocol based vlan 1 control */
244 #define MT7530_PPBV1_P(x)		(0x2014 + ((x) * 0x100))
245 #define  G0_PORT_VID(x)			(((x) & 0xfff) << 0)
246 #define  G0_PORT_VID_MASK		G0_PORT_VID(0xfff)
247 #define  G0_PORT_VID_DEF		G0_PORT_VID(1)
248 
249 /* Register for port MAC control register */
250 #define MT7530_PMCR_P(x)		(0x3000 + ((x) * 0x100))
251 #define  PMCR_IFG_XMIT(x)		(((x) & 0x3) << 18)
252 #define  PMCR_EXT_PHY			BIT(17)
253 #define  PMCR_MAC_MODE			BIT(16)
254 #define  PMCR_FORCE_MODE		BIT(15)
255 #define  PMCR_TX_EN			BIT(14)
256 #define  PMCR_RX_EN			BIT(13)
257 #define  PMCR_BACKOFF_EN		BIT(9)
258 #define  PMCR_BACKPR_EN			BIT(8)
259 #define  PMCR_TX_FC_EN			BIT(5)
260 #define  PMCR_RX_FC_EN			BIT(4)
261 #define  PMCR_FORCE_SPEED_1000		BIT(3)
262 #define  PMCR_FORCE_SPEED_100		BIT(2)
263 #define  PMCR_FORCE_FDX			BIT(1)
264 #define  PMCR_FORCE_LNK			BIT(0)
265 #define  PMCR_SPEED_MASK		(PMCR_FORCE_SPEED_100 | \
266 					 PMCR_FORCE_SPEED_1000)
267 #define  MT7531_FORCE_LNK		BIT(31)
268 #define  MT7531_FORCE_SPD		BIT(30)
269 #define  MT7531_FORCE_DPX		BIT(29)
270 #define  MT7531_FORCE_RX_FC		BIT(28)
271 #define  MT7531_FORCE_TX_FC		BIT(27)
272 #define  MT7531_FORCE_MODE		(MT7531_FORCE_LNK | \
273 					 MT7531_FORCE_SPD | \
274 					 MT7531_FORCE_DPX | \
275 					 MT7531_FORCE_RX_FC | \
276 					 MT7531_FORCE_TX_FC)
277 #define  PMCR_FORCE_MODE_ID(id)		(((id) == ID_MT7531) ? \
278 					 MT7531_FORCE_MODE : \
279 					 PMCR_FORCE_MODE)
280 #define  PMCR_LINK_SETTINGS_MASK	(PMCR_TX_EN | PMCR_FORCE_SPEED_1000 | \
281 					 PMCR_RX_EN | PMCR_FORCE_SPEED_100 | \
282 					 PMCR_TX_FC_EN | PMCR_RX_FC_EN | \
283 					 PMCR_FORCE_FDX | PMCR_FORCE_LNK)
284 #define  PMCR_CPU_PORT_SETTING(id)	(PMCR_FORCE_MODE_ID((id)) | \
285 					 PMCR_IFG_XMIT(1) | PMCR_MAC_MODE | \
286 					 PMCR_BACKOFF_EN | PMCR_BACKPR_EN | \
287 					 PMCR_TX_EN | PMCR_RX_EN | \
288 					 PMCR_TX_FC_EN | PMCR_RX_FC_EN | \
289 					 PMCR_FORCE_SPEED_1000 | \
290 					 PMCR_FORCE_FDX | PMCR_FORCE_LNK)
291 
292 #define MT7530_PMSR_P(x)		(0x3008 + (x) * 0x100)
293 #define  PMSR_EEE1G			BIT(7)
294 #define  PMSR_EEE100M			BIT(6)
295 #define  PMSR_RX_FC			BIT(5)
296 #define  PMSR_TX_FC			BIT(4)
297 #define  PMSR_SPEED_1000		BIT(3)
298 #define  PMSR_SPEED_100			BIT(2)
299 #define  PMSR_SPEED_10			0x00
300 #define  PMSR_SPEED_MASK		(PMSR_SPEED_100 | PMSR_SPEED_1000)
301 #define  PMSR_DPX			BIT(1)
302 #define  PMSR_LINK			BIT(0)
303 
304 /* Register for port debug count */
305 #define MT7531_DBG_CNT(x)		(0x3018 + (x) * 0x100)
306 #define  MT7531_DIS_CLR			BIT(31)
307 
308 #define MT7530_GMACCR			0x30e0
309 #define  MAX_RX_JUMBO(x)		((x) << 2)
310 #define  MAX_RX_JUMBO_MASK		GENMASK(5, 2)
311 #define  MAX_RX_PKT_LEN_MASK		GENMASK(1, 0)
312 #define  MAX_RX_PKT_LEN_1522		0x0
313 #define  MAX_RX_PKT_LEN_1536		0x1
314 #define  MAX_RX_PKT_LEN_1552		0x2
315 #define  MAX_RX_PKT_LEN_JUMBO		0x3
316 
317 /* Register for MIB */
318 #define MT7530_PORT_MIB_COUNTER(x)	(0x4000 + (x) * 0x100)
319 #define MT7530_MIB_CCR			0x4fe0
320 #define  CCR_MIB_ENABLE			BIT(31)
321 #define  CCR_RX_OCT_CNT_GOOD		BIT(7)
322 #define  CCR_RX_OCT_CNT_BAD		BIT(6)
323 #define  CCR_TX_OCT_CNT_GOOD		BIT(5)
324 #define  CCR_TX_OCT_CNT_BAD		BIT(4)
325 #define  CCR_MIB_FLUSH			(CCR_RX_OCT_CNT_GOOD | \
326 					 CCR_RX_OCT_CNT_BAD | \
327 					 CCR_TX_OCT_CNT_GOOD | \
328 					 CCR_TX_OCT_CNT_BAD)
329 #define  CCR_MIB_ACTIVATE		(CCR_MIB_ENABLE | \
330 					 CCR_RX_OCT_CNT_GOOD | \
331 					 CCR_RX_OCT_CNT_BAD | \
332 					 CCR_TX_OCT_CNT_GOOD | \
333 					 CCR_TX_OCT_CNT_BAD)
334 
335 /* MT7531 SGMII register group */
336 #define MT7531_SGMII_REG_BASE		0x5000
337 #define MT7531_SGMII_REG(p, r)		(MT7531_SGMII_REG_BASE + \
338 					((p) - 5) * 0x1000 + (r))
339 
340 /* Register forSGMII PCS_CONTROL_1 */
341 #define MT7531_PCS_CONTROL_1(p)		MT7531_SGMII_REG(p, 0x00)
342 #define  MT7531_SGMII_LINK_STATUS	BIT(18)
343 #define  MT7531_SGMII_AN_ENABLE		BIT(12)
344 #define  MT7531_SGMII_AN_RESTART	BIT(9)
345 
346 /* Register for SGMII PCS_SPPED_ABILITY */
347 #define MT7531_PCS_SPEED_ABILITY(p)	MT7531_SGMII_REG(p, 0x08)
348 #define  MT7531_SGMII_TX_CONFIG_MASK	GENMASK(15, 0)
349 #define  MT7531_SGMII_TX_CONFIG		BIT(0)
350 
351 /* Register for SGMII_MODE */
352 #define MT7531_SGMII_MODE(p)		MT7531_SGMII_REG(p, 0x20)
353 #define  MT7531_SGMII_REMOTE_FAULT_DIS	BIT(8)
354 #define  MT7531_SGMII_IF_MODE_MASK	GENMASK(5, 1)
355 #define  MT7531_SGMII_FORCE_DUPLEX	BIT(4)
356 #define  MT7531_SGMII_FORCE_SPEED_MASK	GENMASK(3, 2)
357 #define  MT7531_SGMII_FORCE_SPEED_1000	BIT(3)
358 #define  MT7531_SGMII_FORCE_SPEED_100	BIT(2)
359 #define  MT7531_SGMII_FORCE_SPEED_10	0
360 #define  MT7531_SGMII_SPEED_DUPLEX_AN	BIT(1)
361 
362 enum mt7531_sgmii_force_duplex {
363 	MT7531_SGMII_FORCE_FULL_DUPLEX = 0,
364 	MT7531_SGMII_FORCE_HALF_DUPLEX = 0x10,
365 };
366 
367 /* Fields of QPHY_PWR_STATE_CTRL */
368 #define MT7531_QPHY_PWR_STATE_CTRL(p)	MT7531_SGMII_REG(p, 0xe8)
369 #define  MT7531_SGMII_PHYA_PWD		BIT(4)
370 
371 /* Values of SGMII SPEED */
372 #define MT7531_PHYA_CTRL_SIGNAL3(p)	MT7531_SGMII_REG(p, 0x128)
373 #define  MT7531_RG_TPHY_SPEED_MASK	(BIT(2) | BIT(3))
374 #define  MT7531_RG_TPHY_SPEED_1_25G	0x0
375 #define  MT7531_RG_TPHY_SPEED_3_125G	BIT(2)
376 
377 /* Register for system reset */
378 #define MT7530_SYS_CTRL			0x7000
379 #define  SYS_CTRL_PHY_RST		BIT(2)
380 #define  SYS_CTRL_SW_RST		BIT(1)
381 #define  SYS_CTRL_REG_RST		BIT(0)
382 
383 /* Register for PHY Indirect Access Control */
384 #define MT7531_PHY_IAC			0x701C
385 #define  MT7531_PHY_ACS_ST		BIT(31)
386 #define  MT7531_MDIO_REG_ADDR_MASK	(0x1f << 25)
387 #define  MT7531_MDIO_PHY_ADDR_MASK	(0x1f << 20)
388 #define  MT7531_MDIO_CMD_MASK		(0x3 << 18)
389 #define  MT7531_MDIO_ST_MASK		(0x3 << 16)
390 #define  MT7531_MDIO_RW_DATA_MASK	(0xffff)
391 #define  MT7531_MDIO_REG_ADDR(x)	(((x) & 0x1f) << 25)
392 #define  MT7531_MDIO_DEV_ADDR(x)	(((x) & 0x1f) << 25)
393 #define  MT7531_MDIO_PHY_ADDR(x)	(((x) & 0x1f) << 20)
394 #define  MT7531_MDIO_CMD(x)		(((x) & 0x3) << 18)
395 #define  MT7531_MDIO_ST(x)		(((x) & 0x3) << 16)
396 
397 enum mt7531_phy_iac_cmd {
398 	MT7531_MDIO_ADDR = 0,
399 	MT7531_MDIO_WRITE = 1,
400 	MT7531_MDIO_READ = 2,
401 	MT7531_MDIO_READ_CL45 = 3,
402 };
403 
404 /* MDIO_ST: MDIO start field */
405 enum mt7531_mdio_st {
406 	MT7531_MDIO_ST_CL45 = 0,
407 	MT7531_MDIO_ST_CL22 = 1,
408 };
409 
410 #define  MT7531_MDIO_CL22_READ		(MT7531_MDIO_ST(MT7531_MDIO_ST_CL22) | \
411 					 MT7531_MDIO_CMD(MT7531_MDIO_READ))
412 #define  MT7531_MDIO_CL22_WRITE		(MT7531_MDIO_ST(MT7531_MDIO_ST_CL22) | \
413 					 MT7531_MDIO_CMD(MT7531_MDIO_WRITE))
414 #define  MT7531_MDIO_CL45_ADDR		(MT7531_MDIO_ST(MT7531_MDIO_ST_CL45) | \
415 					 MT7531_MDIO_CMD(MT7531_MDIO_ADDR))
416 #define  MT7531_MDIO_CL45_READ		(MT7531_MDIO_ST(MT7531_MDIO_ST_CL45) | \
417 					 MT7531_MDIO_CMD(MT7531_MDIO_READ))
418 #define  MT7531_MDIO_CL45_WRITE		(MT7531_MDIO_ST(MT7531_MDIO_ST_CL45) | \
419 					 MT7531_MDIO_CMD(MT7531_MDIO_WRITE))
420 
421 /* Register for RGMII clock phase */
422 #define MT7531_CLKGEN_CTRL		0x7500
423 #define  CLK_SKEW_OUT(x)		(((x) & 0x3) << 8)
424 #define  CLK_SKEW_OUT_MASK		GENMASK(9, 8)
425 #define  CLK_SKEW_IN(x)			(((x) & 0x3) << 6)
426 #define  CLK_SKEW_IN_MASK		GENMASK(7, 6)
427 #define  RXCLK_NO_DELAY			BIT(5)
428 #define  TXCLK_NO_REVERSE		BIT(4)
429 #define  GP_MODE(x)			(((x) & 0x3) << 1)
430 #define  GP_MODE_MASK			GENMASK(2, 1)
431 #define  GP_CLK_EN			BIT(0)
432 
433 enum mt7531_gp_mode {
434 	MT7531_GP_MODE_RGMII = 0,
435 	MT7531_GP_MODE_MII = 1,
436 	MT7531_GP_MODE_REV_MII = 2
437 };
438 
439 enum mt7531_clk_skew {
440 	MT7531_CLK_SKEW_NO_CHG = 0,
441 	MT7531_CLK_SKEW_DLY_100PPS = 1,
442 	MT7531_CLK_SKEW_DLY_200PPS = 2,
443 	MT7531_CLK_SKEW_REVERSE = 3,
444 };
445 
446 /* Register for hw trap status */
447 #define MT7530_HWTRAP			0x7800
448 #define  HWTRAP_XTAL_MASK		(BIT(10) | BIT(9))
449 #define  HWTRAP_XTAL_25MHZ		(BIT(10) | BIT(9))
450 #define  HWTRAP_XTAL_40MHZ		(BIT(10))
451 #define  HWTRAP_XTAL_20MHZ		(BIT(9))
452 
453 #define MT7531_HWTRAP			0x7800
454 #define  HWTRAP_XTAL_FSEL_MASK		BIT(7)
455 #define  HWTRAP_XTAL_FSEL_25MHZ		BIT(7)
456 #define  HWTRAP_XTAL_FSEL_40MHZ		0
457 /* Unique fields of (M)HWSTRAP for MT7531 */
458 #define  XTAL_FSEL_S			7
459 #define  XTAL_FSEL_M			BIT(7)
460 #define  PHY_EN				BIT(6)
461 #define  CHG_STRAP			BIT(8)
462 
463 /* Register for hw trap modification */
464 #define MT7530_MHWTRAP			0x7804
465 #define  MHWTRAP_PHY0_SEL		BIT(20)
466 #define  MHWTRAP_MANUAL			BIT(16)
467 #define  MHWTRAP_P5_MAC_SEL		BIT(13)
468 #define  MHWTRAP_P6_DIS			BIT(8)
469 #define  MHWTRAP_P5_RGMII_MODE		BIT(7)
470 #define  MHWTRAP_P5_DIS			BIT(6)
471 #define  MHWTRAP_PHY_ACCESS		BIT(5)
472 
473 /* Register for TOP signal control */
474 #define MT7530_TOP_SIG_CTRL		0x7808
475 #define  TOP_SIG_CTRL_NORMAL		(BIT(17) | BIT(16))
476 
477 #define MT7531_TOP_SIG_SR		0x780c
478 #define  PAD_DUAL_SGMII_EN		BIT(1)
479 #define  PAD_MCM_SMI_EN			BIT(0)
480 
481 #define MT7530_IO_DRV_CR		0x7810
482 #define  P5_IO_CLK_DRV(x)		((x) & 0x3)
483 #define  P5_IO_DATA_DRV(x)		(((x) & 0x3) << 4)
484 
485 #define MT7531_CHIP_REV			0x781C
486 
487 #define MT7531_PLLGP_EN			0x7820
488 #define  EN_COREPLL			BIT(2)
489 #define  SW_CLKSW			BIT(1)
490 #define  SW_PLLGP			BIT(0)
491 
492 #define MT7530_P6ECR			0x7830
493 #define  P6_INTF_MODE_MASK		0x3
494 #define  P6_INTF_MODE(x)		((x) & 0x3)
495 
496 #define MT7531_PLLGP_CR0		0x78a8
497 #define  RG_COREPLL_EN			BIT(22)
498 #define  RG_COREPLL_POSDIV_S		23
499 #define  RG_COREPLL_POSDIV_M		0x3800000
500 #define  RG_COREPLL_SDM_PCW_S		1
501 #define  RG_COREPLL_SDM_PCW_M		0x3ffffe
502 #define  RG_COREPLL_SDM_PCW_CHG		BIT(0)
503 
504 /* Registers for RGMII and SGMII PLL clock */
505 #define MT7531_ANA_PLLGP_CR2		0x78b0
506 #define MT7531_ANA_PLLGP_CR5		0x78bc
507 
508 /* Registers for TRGMII on the both side */
509 #define MT7530_TRGMII_RCK_CTRL		0x7a00
510 #define  RX_RST				BIT(31)
511 #define  RXC_DQSISEL			BIT(30)
512 #define  DQSI1_TAP_MASK			(0x7f << 8)
513 #define  DQSI0_TAP_MASK			0x7f
514 #define  DQSI1_TAP(x)			(((x) & 0x7f) << 8)
515 #define  DQSI0_TAP(x)			((x) & 0x7f)
516 
517 #define MT7530_TRGMII_RCK_RTT		0x7a04
518 #define  DQS1_GATE			BIT(31)
519 #define  DQS0_GATE			BIT(30)
520 
521 #define MT7530_TRGMII_RD(x)		(0x7a10 + (x) * 8)
522 #define  BSLIP_EN			BIT(31)
523 #define  EDGE_CHK			BIT(30)
524 #define  RD_TAP_MASK			0x7f
525 #define  RD_TAP(x)			((x) & 0x7f)
526 
527 #define MT7530_TRGMII_TXCTRL		0x7a40
528 #define  TRAIN_TXEN			BIT(31)
529 #define  TXC_INV			BIT(30)
530 #define  TX_RST				BIT(28)
531 
532 #define MT7530_TRGMII_TD_ODT(i)		(0x7a54 + 8 * (i))
533 #define  TD_DM_DRVP(x)			((x) & 0xf)
534 #define  TD_DM_DRVN(x)			(((x) & 0xf) << 4)
535 
536 #define MT7530_TRGMII_TCK_CTRL		0x7a78
537 #define  TCK_TAP(x)			(((x) & 0xf) << 8)
538 
539 #define MT7530_P5RGMIIRXCR		0x7b00
540 #define  CSR_RGMII_EDGE_ALIGN		BIT(8)
541 #define  CSR_RGMII_RXC_0DEG_CFG(x)	((x) & 0xf)
542 
543 #define MT7530_P5RGMIITXCR		0x7b04
544 #define  CSR_RGMII_TXC_CFG(x)		((x) & 0x1f)
545 
546 /* Registers for GPIO mode */
547 #define MT7531_GPIO_MODE0		0x7c0c
548 #define  MT7531_GPIO0_MASK		GENMASK(3, 0)
549 #define  MT7531_GPIO0_INTERRUPT		1
550 
551 #define MT7531_GPIO_MODE1		0x7c10
552 #define  MT7531_GPIO11_RG_RXD2_MASK	GENMASK(15, 12)
553 #define  MT7531_EXT_P_MDC_11		(2 << 12)
554 #define  MT7531_GPIO12_RG_RXD3_MASK	GENMASK(19, 16)
555 #define  MT7531_EXT_P_MDIO_12		(2 << 16)
556 
557 #define MT7530_CREV			0x7ffc
558 #define  CHIP_NAME_SHIFT		16
559 #define  MT7530_ID			0x7530
560 
561 #define MT7531_CREV			0x781C
562 #define  CHIP_REV_M			0x0f
563 #define  MT7531_ID			0x7531
564 
565 /* Registers for core PLL access through mmd indirect */
566 #define CORE_PLL_GROUP2			0x401
567 #define  RG_SYSPLL_EN_NORMAL		BIT(15)
568 #define  RG_SYSPLL_VODEN		BIT(14)
569 #define  RG_SYSPLL_LF			BIT(13)
570 #define  RG_SYSPLL_RST_DLY(x)		(((x) & 0x3) << 12)
571 #define  RG_SYSPLL_LVROD_EN		BIT(10)
572 #define  RG_SYSPLL_PREDIV(x)		(((x) & 0x3) << 8)
573 #define  RG_SYSPLL_POSDIV(x)		(((x) & 0x3) << 5)
574 #define  RG_SYSPLL_FBKSEL		BIT(4)
575 #define  RT_SYSPLL_EN_AFE_OLT		BIT(0)
576 
577 #define CORE_PLL_GROUP4			0x403
578 #define  RG_SYSPLL_DDSFBK_EN		BIT(12)
579 #define  RG_SYSPLL_BIAS_EN		BIT(11)
580 #define  RG_SYSPLL_BIAS_LPF_EN		BIT(10)
581 #define  MT7531_PHY_PLL_OFF		BIT(5)
582 #define  MT7531_PHY_PLL_BYPASS_MODE	BIT(4)
583 
584 #define MT753X_CTRL_PHY_ADDR		0
585 
586 #define CORE_PLL_GROUP5			0x404
587 #define  RG_LCDDS_PCW_NCPO1(x)		((x) & 0xffff)
588 
589 #define CORE_PLL_GROUP6			0x405
590 #define  RG_LCDDS_PCW_NCPO0(x)		((x) & 0xffff)
591 
592 #define CORE_PLL_GROUP7			0x406
593 #define  RG_LCDDS_PWDB			BIT(15)
594 #define  RG_LCDDS_ISO_EN		BIT(13)
595 #define  RG_LCCDS_C(x)			(((x) & 0x7) << 4)
596 #define  RG_LCDDS_PCW_NCPO_CHG		BIT(3)
597 
598 #define CORE_PLL_GROUP10		0x409
599 #define  RG_LCDDS_SSC_DELTA(x)		((x) & 0xfff)
600 
601 #define CORE_PLL_GROUP11		0x40a
602 #define  RG_LCDDS_SSC_DELTA1(x)		((x) & 0xfff)
603 
604 #define CORE_GSWPLL_GRP1		0x40d
605 #define  RG_GSWPLL_PREDIV(x)		(((x) & 0x3) << 14)
606 #define  RG_GSWPLL_POSDIV_200M(x)	(((x) & 0x3) << 12)
607 #define  RG_GSWPLL_EN_PRE		BIT(11)
608 #define  RG_GSWPLL_FBKSEL		BIT(10)
609 #define  RG_GSWPLL_BP			BIT(9)
610 #define  RG_GSWPLL_BR			BIT(8)
611 #define  RG_GSWPLL_FBKDIV_200M(x)	((x) & 0xff)
612 
613 #define CORE_GSWPLL_GRP2		0x40e
614 #define  RG_GSWPLL_POSDIV_500M(x)	(((x) & 0x3) << 8)
615 #define  RG_GSWPLL_FBKDIV_500M(x)	((x) & 0xff)
616 
617 #define CORE_TRGMII_GSW_CLK_CG		0x410
618 #define  REG_GSWCK_EN			BIT(0)
619 #define  REG_TRGMIICK_EN		BIT(1)
620 
621 #define MIB_DESC(_s, _o, _n)	\
622 	{			\
623 		.size = (_s),	\
624 		.offset = (_o),	\
625 		.name = (_n),	\
626 	}
627 
628 struct mt7530_mib_desc {
629 	unsigned int size;
630 	unsigned int offset;
631 	const char *name;
632 };
633 
634 struct mt7530_fdb {
635 	u16 vid;
636 	u8 port_mask;
637 	u8 aging;
638 	u8 mac[6];
639 	bool noarp;
640 };
641 
642 /* struct mt7530_port -	This is the main data structure for holding the state
643  *			of the port.
644  * @enable:	The status used for show port is enabled or not.
645  * @pm:		The matrix used to show all connections with the port.
646  * @pvid:	The VLAN specified is to be considered a PVID at ingress.  Any
647  *		untagged frames will be assigned to the related VLAN.
648  * @vlan_filtering: The flags indicating whether the port that can recognize
649  *		    VLAN-tagged frames.
650  */
651 struct mt7530_port {
652 	bool enable;
653 	u32 pm;
654 	u16 pvid;
655 };
656 
657 /* Port 5 interface select definitions */
658 enum p5_interface_select {
659 	P5_DISABLED = 0,
660 	P5_INTF_SEL_PHY_P0,
661 	P5_INTF_SEL_PHY_P4,
662 	P5_INTF_SEL_GMAC5,
663 	P5_INTF_SEL_GMAC5_SGMII,
664 };
665 
666 static const char *p5_intf_modes(unsigned int p5_interface)
667 {
668 	switch (p5_interface) {
669 	case P5_DISABLED:
670 		return "DISABLED";
671 	case P5_INTF_SEL_PHY_P0:
672 		return "PHY P0";
673 	case P5_INTF_SEL_PHY_P4:
674 		return "PHY P4";
675 	case P5_INTF_SEL_GMAC5:
676 		return "GMAC5";
677 	case P5_INTF_SEL_GMAC5_SGMII:
678 		return "GMAC5_SGMII";
679 	default:
680 		return "unknown";
681 	}
682 }
683 
684 /* struct mt753x_info -	This is the main data structure for holding the specific
685  *			part for each supported device
686  * @sw_setup:		Holding the handler to a device initialization
687  * @phy_read:		Holding the way reading PHY port
688  * @phy_write:		Holding the way writing PHY port
689  * @pad_setup:		Holding the way setting up the bus pad for a certain
690  *			MAC port
691  * @phy_mode_supported:	Check if the PHY type is being supported on a certain
692  *			port
693  * @mac_port_validate:	Holding the way to set addition validate type for a
694  *			certan MAC port
695  * @mac_port_get_state: Holding the way getting the MAC/PCS state for a certain
696  *			MAC port
697  * @mac_port_config:	Holding the way setting up the PHY attribute to a
698  *			certain MAC port
699  * @mac_pcs_an_restart	Holding the way restarting PCS autonegotiation for a
700  *			certain MAC port
701  * @mac_pcs_link_up:	Holding the way setting up the PHY attribute to the pcs
702  *			of the certain MAC port
703  */
704 struct mt753x_info {
705 	enum mt753x_id id;
706 
707 	int (*sw_setup)(struct dsa_switch *ds);
708 	int (*phy_read)(struct dsa_switch *ds, int port, int regnum);
709 	int (*phy_write)(struct dsa_switch *ds, int port, int regnum, u16 val);
710 	int (*pad_setup)(struct dsa_switch *ds, phy_interface_t interface);
711 	int (*cpu_port_config)(struct dsa_switch *ds, int port);
712 	bool (*phy_mode_supported)(struct dsa_switch *ds, int port,
713 				   const struct phylink_link_state *state);
714 	void (*mac_port_validate)(struct dsa_switch *ds, int port,
715 				  unsigned long *supported);
716 	int (*mac_port_get_state)(struct dsa_switch *ds, int port,
717 				  struct phylink_link_state *state);
718 	int (*mac_port_config)(struct dsa_switch *ds, int port,
719 			       unsigned int mode,
720 			       phy_interface_t interface);
721 	void (*mac_pcs_an_restart)(struct dsa_switch *ds, int port);
722 	void (*mac_pcs_link_up)(struct dsa_switch *ds, int port,
723 				unsigned int mode, phy_interface_t interface,
724 				int speed, int duplex);
725 };
726 
727 /* struct mt7530_priv -	This is the main data structure for holding the state
728  *			of the driver
729  * @dev:		The device pointer
730  * @ds:			The pointer to the dsa core structure
731  * @bus:		The bus used for the device and built-in PHY
732  * @rstc:		The pointer to reset control used by MCM
733  * @core_pwr:		The power supplied into the core
734  * @io_pwr:		The power supplied into the I/O
735  * @reset:		The descriptor for GPIO line tied to its reset pin
736  * @mcm:		Flag for distinguishing if standalone IC or module
737  *			coupling
738  * @ports:		Holding the state among ports
739  * @reg_mutex:		The lock for protecting among process accessing
740  *			registers
741  * @p6_interface	Holding the current port 6 interface
742  * @p5_intf_sel:	Holding the current port 5 interface select
743  */
744 struct mt7530_priv {
745 	struct device		*dev;
746 	struct dsa_switch	*ds;
747 	struct mii_bus		*bus;
748 	struct reset_control	*rstc;
749 	struct regulator	*core_pwr;
750 	struct regulator	*io_pwr;
751 	struct gpio_desc	*reset;
752 	const struct mt753x_info *info;
753 	unsigned int		id;
754 	bool			mcm;
755 	phy_interface_t		p6_interface;
756 	phy_interface_t		p5_interface;
757 	unsigned int		p5_intf_sel;
758 	u8			mirror_rx;
759 	u8			mirror_tx;
760 
761 	struct mt7530_port	ports[MT7530_NUM_PORTS];
762 	/* protect among processes for registers access*/
763 	struct mutex reg_mutex;
764 };
765 
766 struct mt7530_hw_vlan_entry {
767 	int port;
768 	u8  old_members;
769 	bool untagged;
770 };
771 
772 static inline void mt7530_hw_vlan_entry_init(struct mt7530_hw_vlan_entry *e,
773 					     int port, bool untagged)
774 {
775 	e->port = port;
776 	e->untagged = untagged;
777 }
778 
779 typedef void (*mt7530_vlan_op)(struct mt7530_priv *,
780 			       struct mt7530_hw_vlan_entry *);
781 
782 struct mt7530_hw_stats {
783 	const char	*string;
784 	u16		reg;
785 	u8		sizeof_stat;
786 };
787 
788 struct mt7530_dummy_poll {
789 	struct mt7530_priv *priv;
790 	u32 reg;
791 };
792 
793 static inline void INIT_MT7530_DUMMY_POLL(struct mt7530_dummy_poll *p,
794 					  struct mt7530_priv *priv, u32 reg)
795 {
796 	p->priv = priv;
797 	p->reg = reg;
798 }
799 
800 #endif /* __MT7530_H */
801