xref: /openbmc/linux/drivers/net/dsa/mt7530.h (revision e15a5365)
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 enum mt753x_id {
15 	ID_MT7530 = 0,
16 	ID_MT7621 = 1,
17 	ID_MT7531 = 2,
18 };
19 
20 #define	NUM_TRGMII_CTRL			5
21 
22 #define TRGMII_BASE(x)			(0x10000 + (x))
23 
24 /* Registers to ethsys access */
25 #define ETHSYS_CLKCFG0			0x2c
26 #define  ETHSYS_TRGMII_CLK_SEL362_5	BIT(11)
27 
28 #define SYSC_REG_RSTCTRL		0x34
29 #define  RESET_MCM			BIT(2)
30 
31 /* Registers to mac forward control for unknown frames */
32 #define MT7530_MFC			0x10
33 #define  BC_FFP(x)			(((x) & 0xff) << 24)
34 #define  UNM_FFP(x)			(((x) & 0xff) << 16)
35 #define  UNM_FFP_MASK			UNM_FFP(~0)
36 #define  UNU_FFP(x)			(((x) & 0xff) << 8)
37 #define  UNU_FFP_MASK			UNU_FFP(~0)
38 #define  CPU_EN				BIT(7)
39 #define  CPU_PORT(x)			((x) << 4)
40 #define  CPU_MASK			(0xf << 4)
41 #define  MIRROR_EN			BIT(3)
42 #define  MIRROR_PORT(x)			((x) & 0x7)
43 #define  MIRROR_MASK			0x7
44 
45 /* Registers for CPU forward control */
46 #define MT7531_CFC			0x4
47 #define  MT7531_MIRROR_EN		BIT(19)
48 #define  MT7531_MIRROR_MASK		(MIRROR_MASK << 16)
49 #define  MT7531_MIRROR_PORT_GET(x)	(((x) >> 16) & MIRROR_MASK)
50 #define  MT7531_MIRROR_PORT_SET(x)	(((x) & MIRROR_MASK) << 16)
51 #define  MT7531_CPU_PMAP_MASK		GENMASK(7, 0)
52 
53 #define MT753X_MIRROR_REG(id)		(((id) == ID_MT7531) ? \
54 					 MT7531_CFC : MT7530_MFC)
55 #define MT753X_MIRROR_EN(id)		(((id) == ID_MT7531) ? \
56 					 MT7531_MIRROR_EN : MIRROR_EN)
57 #define MT753X_MIRROR_MASK(id)		(((id) == ID_MT7531) ? \
58 					 MT7531_MIRROR_MASK : MIRROR_MASK)
59 
60 /* Registers for BPDU and PAE frame control*/
61 #define MT753X_BPC			0x24
62 #define  MT753X_BPDU_PORT_FW_MASK	GENMASK(2, 0)
63 
64 enum mt753x_bpdu_port_fw {
65 	MT753X_BPDU_FOLLOW_MFC,
66 	MT753X_BPDU_CPU_EXCLUDE = 4,
67 	MT753X_BPDU_CPU_INCLUDE = 5,
68 	MT753X_BPDU_CPU_ONLY = 6,
69 	MT753X_BPDU_DROP = 7,
70 };
71 
72 /* Registers for address table access */
73 #define MT7530_ATA1			0x74
74 #define  STATIC_EMP			0
75 #define  STATIC_ENT			3
76 #define MT7530_ATA2			0x78
77 
78 /* Register for address table write data */
79 #define MT7530_ATWD			0x7c
80 
81 /* Register for address table control */
82 #define MT7530_ATC			0x80
83 #define  ATC_HASH			(((x) & 0xfff) << 16)
84 #define  ATC_BUSY			BIT(15)
85 #define  ATC_SRCH_END			BIT(14)
86 #define  ATC_SRCH_HIT			BIT(13)
87 #define  ATC_INVALID			BIT(12)
88 #define  ATC_MAT(x)			(((x) & 0xf) << 8)
89 #define  ATC_MAT_MACTAB			ATC_MAT(0)
90 
91 enum mt7530_fdb_cmd {
92 	MT7530_FDB_READ	= 0,
93 	MT7530_FDB_WRITE = 1,
94 	MT7530_FDB_FLUSH = 2,
95 	MT7530_FDB_START = 4,
96 	MT7530_FDB_NEXT = 5,
97 };
98 
99 /* Registers for table search read address */
100 #define MT7530_TSRA1			0x84
101 #define  MAC_BYTE_0			24
102 #define  MAC_BYTE_1			16
103 #define  MAC_BYTE_2			8
104 #define  MAC_BYTE_3			0
105 #define  MAC_BYTE_MASK			0xff
106 
107 #define MT7530_TSRA2			0x88
108 #define  MAC_BYTE_4			24
109 #define  MAC_BYTE_5			16
110 #define  CVID				0
111 #define  CVID_MASK			0xfff
112 
113 #define MT7530_ATRD			0x8C
114 #define	 AGE_TIMER			24
115 #define  AGE_TIMER_MASK			0xff
116 #define  PORT_MAP			4
117 #define  PORT_MAP_MASK			0xff
118 #define  ENT_STATUS			2
119 #define  ENT_STATUS_MASK		0x3
120 
121 /* Register for vlan table control */
122 #define MT7530_VTCR			0x90
123 #define  VTCR_BUSY			BIT(31)
124 #define  VTCR_INVALID			BIT(16)
125 #define  VTCR_FUNC(x)			(((x) & 0xf) << 12)
126 #define  VTCR_VID			((x) & 0xfff)
127 
128 enum mt7530_vlan_cmd {
129 	/* Read/Write the specified VID entry from VAWD register based
130 	 * on VID.
131 	 */
132 	MT7530_VTCR_RD_VID = 0,
133 	MT7530_VTCR_WR_VID = 1,
134 };
135 
136 /* Register for setup vlan and acl write data */
137 #define MT7530_VAWD1			0x94
138 #define  PORT_STAG			BIT(31)
139 /* Independent VLAN Learning */
140 #define  IVL_MAC			BIT(30)
141 /* Per VLAN Egress Tag Control */
142 #define  VTAG_EN			BIT(28)
143 /* VLAN Member Control */
144 #define  PORT_MEM(x)			(((x) & 0xff) << 16)
145 /* VLAN Entry Valid */
146 #define  VLAN_VALID			BIT(0)
147 #define  PORT_MEM_SHFT			16
148 #define  PORT_MEM_MASK			0xff
149 
150 #define MT7530_VAWD2			0x98
151 /* Egress Tag Control */
152 #define  ETAG_CTRL_P(p, x)		(((x) & 0x3) << ((p) << 1))
153 #define  ETAG_CTRL_P_MASK(p)		ETAG_CTRL_P(p, 3)
154 
155 enum mt7530_vlan_egress_attr {
156 	MT7530_VLAN_EGRESS_UNTAG = 0,
157 	MT7530_VLAN_EGRESS_TAG = 2,
158 	MT7530_VLAN_EGRESS_STACK = 3,
159 };
160 
161 /* Register for port STP state control */
162 #define MT7530_SSP_P(x)			(0x2000 + ((x) * 0x100))
163 #define  FID_PST(x)			((x) & 0x3)
164 #define  FID_PST_MASK			FID_PST(0x3)
165 
166 enum mt7530_stp_state {
167 	MT7530_STP_DISABLED = 0,
168 	MT7530_STP_BLOCKING = 1,
169 	MT7530_STP_LISTENING = 1,
170 	MT7530_STP_LEARNING = 2,
171 	MT7530_STP_FORWARDING  = 3
172 };
173 
174 /* Register for port control */
175 #define MT7530_PCR_P(x)			(0x2004 + ((x) * 0x100))
176 #define  PORT_TX_MIR			BIT(9)
177 #define  PORT_RX_MIR			BIT(8)
178 #define  PORT_VLAN(x)			((x) & 0x3)
179 
180 enum mt7530_port_mode {
181 	/* Port Matrix Mode: Frames are forwarded by the PCR_MATRIX members. */
182 	MT7530_PORT_MATRIX_MODE = PORT_VLAN(0),
183 
184 	/* Fallback Mode: Forward received frames with ingress ports that do
185 	 * not belong to the VLAN member. Frames whose VID is not listed on
186 	 * the VLAN table are forwarded by the PCR_MATRIX members.
187 	 */
188 	MT7530_PORT_FALLBACK_MODE = PORT_VLAN(1),
189 
190 	/* Security Mode: Discard any frame due to ingress membership
191 	 * violation or VID missed on the VLAN table.
192 	 */
193 	MT7530_PORT_SECURITY_MODE = PORT_VLAN(3),
194 };
195 
196 #define  PCR_MATRIX(x)			(((x) & 0xff) << 16)
197 #define  PORT_PRI(x)			(((x) & 0x7) << 24)
198 #define  EG_TAG(x)			(((x) & 0x3) << 28)
199 #define  PCR_MATRIX_MASK		PCR_MATRIX(0xff)
200 #define  PCR_MATRIX_CLR			PCR_MATRIX(0)
201 #define  PCR_PORT_VLAN_MASK		PORT_VLAN(3)
202 
203 /* Register for port security control */
204 #define MT7530_PSC_P(x)			(0x200c + ((x) * 0x100))
205 #define  SA_DIS				BIT(4)
206 
207 /* Register for port vlan control */
208 #define MT7530_PVC_P(x)			(0x2010 + ((x) * 0x100))
209 #define  PORT_SPEC_TAG			BIT(5)
210 #define  PVC_EG_TAG(x)			(((x) & 0x7) << 8)
211 #define  PVC_EG_TAG_MASK		PVC_EG_TAG(7)
212 #define  VLAN_ATTR(x)			(((x) & 0x3) << 6)
213 #define  VLAN_ATTR_MASK			VLAN_ATTR(3)
214 
215 enum mt7530_vlan_port_eg_tag {
216 	MT7530_VLAN_EG_DISABLED = 0,
217 	MT7530_VLAN_EG_CONSISTENT = 1,
218 };
219 
220 enum mt7530_vlan_port_attr {
221 	MT7530_VLAN_USER = 0,
222 	MT7530_VLAN_TRANSPARENT = 3,
223 };
224 
225 #define  STAG_VPID			(((x) & 0xffff) << 16)
226 
227 /* Register for port port-and-protocol based vlan 1 control */
228 #define MT7530_PPBV1_P(x)		(0x2014 + ((x) * 0x100))
229 #define  G0_PORT_VID(x)			(((x) & 0xfff) << 0)
230 #define  G0_PORT_VID_MASK		G0_PORT_VID(0xfff)
231 #define  G0_PORT_VID_DEF		G0_PORT_VID(1)
232 
233 /* Register for port MAC control register */
234 #define MT7530_PMCR_P(x)		(0x3000 + ((x) * 0x100))
235 #define  PMCR_IFG_XMIT(x)		(((x) & 0x3) << 18)
236 #define  PMCR_EXT_PHY			BIT(17)
237 #define  PMCR_MAC_MODE			BIT(16)
238 #define  PMCR_FORCE_MODE		BIT(15)
239 #define  PMCR_TX_EN			BIT(14)
240 #define  PMCR_RX_EN			BIT(13)
241 #define  PMCR_BACKOFF_EN		BIT(9)
242 #define  PMCR_BACKPR_EN			BIT(8)
243 #define  PMCR_TX_FC_EN			BIT(5)
244 #define  PMCR_RX_FC_EN			BIT(4)
245 #define  PMCR_FORCE_SPEED_1000		BIT(3)
246 #define  PMCR_FORCE_SPEED_100		BIT(2)
247 #define  PMCR_FORCE_FDX			BIT(1)
248 #define  PMCR_FORCE_LNK			BIT(0)
249 #define  PMCR_SPEED_MASK		(PMCR_FORCE_SPEED_100 | \
250 					 PMCR_FORCE_SPEED_1000)
251 #define  MT7531_FORCE_LNK		BIT(31)
252 #define  MT7531_FORCE_SPD		BIT(30)
253 #define  MT7531_FORCE_DPX		BIT(29)
254 #define  MT7531_FORCE_RX_FC		BIT(28)
255 #define  MT7531_FORCE_TX_FC		BIT(27)
256 #define  MT7531_FORCE_MODE		(MT7531_FORCE_LNK | \
257 					 MT7531_FORCE_SPD | \
258 					 MT7531_FORCE_DPX | \
259 					 MT7531_FORCE_RX_FC | \
260 					 MT7531_FORCE_TX_FC)
261 #define  PMCR_FORCE_MODE_ID(id)		(((id) == ID_MT7531) ? \
262 					 MT7531_FORCE_MODE : \
263 					 PMCR_FORCE_MODE)
264 #define  PMCR_LINK_SETTINGS_MASK	(PMCR_TX_EN | PMCR_FORCE_SPEED_1000 | \
265 					 PMCR_RX_EN | PMCR_FORCE_SPEED_100 | \
266 					 PMCR_TX_FC_EN | PMCR_RX_FC_EN | \
267 					 PMCR_FORCE_FDX | PMCR_FORCE_LNK)
268 #define  PMCR_CPU_PORT_SETTING(id)	(PMCR_FORCE_MODE_ID((id)) | \
269 					 PMCR_IFG_XMIT(1) | PMCR_MAC_MODE | \
270 					 PMCR_BACKOFF_EN | PMCR_BACKPR_EN | \
271 					 PMCR_TX_EN | PMCR_RX_EN | \
272 					 PMCR_TX_FC_EN | PMCR_RX_FC_EN | \
273 					 PMCR_FORCE_SPEED_1000 | \
274 					 PMCR_FORCE_FDX | PMCR_FORCE_LNK)
275 
276 #define MT7530_PMSR_P(x)		(0x3008 + (x) * 0x100)
277 #define  PMSR_EEE1G			BIT(7)
278 #define  PMSR_EEE100M			BIT(6)
279 #define  PMSR_RX_FC			BIT(5)
280 #define  PMSR_TX_FC			BIT(4)
281 #define  PMSR_SPEED_1000		BIT(3)
282 #define  PMSR_SPEED_100			BIT(2)
283 #define  PMSR_SPEED_10			0x00
284 #define  PMSR_SPEED_MASK		(PMSR_SPEED_100 | PMSR_SPEED_1000)
285 #define  PMSR_DPX			BIT(1)
286 #define  PMSR_LINK			BIT(0)
287 
288 /* Register for port debug count */
289 #define MT7531_DBG_CNT(x)		(0x3018 + (x) * 0x100)
290 #define  MT7531_DIS_CLR			BIT(31)
291 
292 /* Register for MIB */
293 #define MT7530_PORT_MIB_COUNTER(x)	(0x4000 + (x) * 0x100)
294 #define MT7530_MIB_CCR			0x4fe0
295 #define  CCR_MIB_ENABLE			BIT(31)
296 #define  CCR_RX_OCT_CNT_GOOD		BIT(7)
297 #define  CCR_RX_OCT_CNT_BAD		BIT(6)
298 #define  CCR_TX_OCT_CNT_GOOD		BIT(5)
299 #define  CCR_TX_OCT_CNT_BAD		BIT(4)
300 #define  CCR_MIB_FLUSH			(CCR_RX_OCT_CNT_GOOD | \
301 					 CCR_RX_OCT_CNT_BAD | \
302 					 CCR_TX_OCT_CNT_GOOD | \
303 					 CCR_TX_OCT_CNT_BAD)
304 #define  CCR_MIB_ACTIVATE		(CCR_MIB_ENABLE | \
305 					 CCR_RX_OCT_CNT_GOOD | \
306 					 CCR_RX_OCT_CNT_BAD | \
307 					 CCR_TX_OCT_CNT_GOOD | \
308 					 CCR_TX_OCT_CNT_BAD)
309 
310 /* MT7531 SGMII register group */
311 #define MT7531_SGMII_REG_BASE		0x5000
312 #define MT7531_SGMII_REG(p, r)		(MT7531_SGMII_REG_BASE + \
313 					((p) - 5) * 0x1000 + (r))
314 
315 /* Register forSGMII PCS_CONTROL_1 */
316 #define MT7531_PCS_CONTROL_1(p)		MT7531_SGMII_REG(p, 0x00)
317 #define  MT7531_SGMII_LINK_STATUS	BIT(18)
318 #define  MT7531_SGMII_AN_ENABLE		BIT(12)
319 #define  MT7531_SGMII_AN_RESTART	BIT(9)
320 
321 /* Register for SGMII PCS_SPPED_ABILITY */
322 #define MT7531_PCS_SPEED_ABILITY(p)	MT7531_SGMII_REG(p, 0x08)
323 #define  MT7531_SGMII_TX_CONFIG_MASK	GENMASK(15, 0)
324 #define  MT7531_SGMII_TX_CONFIG		BIT(0)
325 
326 /* Register for SGMII_MODE */
327 #define MT7531_SGMII_MODE(p)		MT7531_SGMII_REG(p, 0x20)
328 #define  MT7531_SGMII_REMOTE_FAULT_DIS	BIT(8)
329 #define  MT7531_SGMII_IF_MODE_MASK	GENMASK(5, 1)
330 #define  MT7531_SGMII_FORCE_DUPLEX	BIT(4)
331 #define  MT7531_SGMII_FORCE_SPEED_MASK	GENMASK(3, 2)
332 #define  MT7531_SGMII_FORCE_SPEED_1000	BIT(3)
333 #define  MT7531_SGMII_FORCE_SPEED_100	BIT(2)
334 #define  MT7531_SGMII_FORCE_SPEED_10	0
335 #define  MT7531_SGMII_SPEED_DUPLEX_AN	BIT(1)
336 
337 enum mt7531_sgmii_force_duplex {
338 	MT7531_SGMII_FORCE_FULL_DUPLEX = 0,
339 	MT7531_SGMII_FORCE_HALF_DUPLEX = 0x10,
340 };
341 
342 /* Fields of QPHY_PWR_STATE_CTRL */
343 #define MT7531_QPHY_PWR_STATE_CTRL(p)	MT7531_SGMII_REG(p, 0xe8)
344 #define  MT7531_SGMII_PHYA_PWD		BIT(4)
345 
346 /* Values of SGMII SPEED */
347 #define MT7531_PHYA_CTRL_SIGNAL3(p)	MT7531_SGMII_REG(p, 0x128)
348 #define  MT7531_RG_TPHY_SPEED_MASK	(BIT(2) | BIT(3))
349 #define  MT7531_RG_TPHY_SPEED_1_25G	0x0
350 #define  MT7531_RG_TPHY_SPEED_3_125G	BIT(2)
351 
352 /* Register for system reset */
353 #define MT7530_SYS_CTRL			0x7000
354 #define  SYS_CTRL_PHY_RST		BIT(2)
355 #define  SYS_CTRL_SW_RST		BIT(1)
356 #define  SYS_CTRL_REG_RST		BIT(0)
357 
358 /* Register for PHY Indirect Access Control */
359 #define MT7531_PHY_IAC			0x701C
360 #define  MT7531_PHY_ACS_ST		BIT(31)
361 #define  MT7531_MDIO_REG_ADDR_MASK	(0x1f << 25)
362 #define  MT7531_MDIO_PHY_ADDR_MASK	(0x1f << 20)
363 #define  MT7531_MDIO_CMD_MASK		(0x3 << 18)
364 #define  MT7531_MDIO_ST_MASK		(0x3 << 16)
365 #define  MT7531_MDIO_RW_DATA_MASK	(0xffff)
366 #define  MT7531_MDIO_REG_ADDR(x)	(((x) & 0x1f) << 25)
367 #define  MT7531_MDIO_DEV_ADDR(x)	(((x) & 0x1f) << 25)
368 #define  MT7531_MDIO_PHY_ADDR(x)	(((x) & 0x1f) << 20)
369 #define  MT7531_MDIO_CMD(x)		(((x) & 0x3) << 18)
370 #define  MT7531_MDIO_ST(x)		(((x) & 0x3) << 16)
371 
372 enum mt7531_phy_iac_cmd {
373 	MT7531_MDIO_ADDR = 0,
374 	MT7531_MDIO_WRITE = 1,
375 	MT7531_MDIO_READ = 2,
376 	MT7531_MDIO_READ_CL45 = 3,
377 };
378 
379 /* MDIO_ST: MDIO start field */
380 enum mt7531_mdio_st {
381 	MT7531_MDIO_ST_CL45 = 0,
382 	MT7531_MDIO_ST_CL22 = 1,
383 };
384 
385 #define  MT7531_MDIO_CL22_READ		(MT7531_MDIO_ST(MT7531_MDIO_ST_CL22) | \
386 					 MT7531_MDIO_CMD(MT7531_MDIO_READ))
387 #define  MT7531_MDIO_CL22_WRITE		(MT7531_MDIO_ST(MT7531_MDIO_ST_CL22) | \
388 					 MT7531_MDIO_CMD(MT7531_MDIO_WRITE))
389 #define  MT7531_MDIO_CL45_ADDR		(MT7531_MDIO_ST(MT7531_MDIO_ST_CL45) | \
390 					 MT7531_MDIO_CMD(MT7531_MDIO_ADDR))
391 #define  MT7531_MDIO_CL45_READ		(MT7531_MDIO_ST(MT7531_MDIO_ST_CL45) | \
392 					 MT7531_MDIO_CMD(MT7531_MDIO_READ))
393 #define  MT7531_MDIO_CL45_WRITE		(MT7531_MDIO_ST(MT7531_MDIO_ST_CL45) | \
394 					 MT7531_MDIO_CMD(MT7531_MDIO_WRITE))
395 
396 /* Register for RGMII clock phase */
397 #define MT7531_CLKGEN_CTRL		0x7500
398 #define  CLK_SKEW_OUT(x)		(((x) & 0x3) << 8)
399 #define  CLK_SKEW_OUT_MASK		GENMASK(9, 8)
400 #define  CLK_SKEW_IN(x)			(((x) & 0x3) << 6)
401 #define  CLK_SKEW_IN_MASK		GENMASK(7, 6)
402 #define  RXCLK_NO_DELAY			BIT(5)
403 #define  TXCLK_NO_REVERSE		BIT(4)
404 #define  GP_MODE(x)			(((x) & 0x3) << 1)
405 #define  GP_MODE_MASK			GENMASK(2, 1)
406 #define  GP_CLK_EN			BIT(0)
407 
408 enum mt7531_gp_mode {
409 	MT7531_GP_MODE_RGMII = 0,
410 	MT7531_GP_MODE_MII = 1,
411 	MT7531_GP_MODE_REV_MII = 2
412 };
413 
414 enum mt7531_clk_skew {
415 	MT7531_CLK_SKEW_NO_CHG = 0,
416 	MT7531_CLK_SKEW_DLY_100PPS = 1,
417 	MT7531_CLK_SKEW_DLY_200PPS = 2,
418 	MT7531_CLK_SKEW_REVERSE = 3,
419 };
420 
421 /* Register for hw trap status */
422 #define MT7530_HWTRAP			0x7800
423 #define  HWTRAP_XTAL_MASK		(BIT(10) | BIT(9))
424 #define  HWTRAP_XTAL_25MHZ		(BIT(10) | BIT(9))
425 #define  HWTRAP_XTAL_40MHZ		(BIT(10))
426 #define  HWTRAP_XTAL_20MHZ		(BIT(9))
427 
428 #define MT7531_HWTRAP			0x7800
429 #define  HWTRAP_XTAL_FSEL_MASK		BIT(7)
430 #define  HWTRAP_XTAL_FSEL_25MHZ		BIT(7)
431 #define  HWTRAP_XTAL_FSEL_40MHZ		0
432 /* Unique fields of (M)HWSTRAP for MT7531 */
433 #define  XTAL_FSEL_S			7
434 #define  XTAL_FSEL_M			BIT(7)
435 #define  PHY_EN				BIT(6)
436 #define  CHG_STRAP			BIT(8)
437 
438 /* Register for hw trap modification */
439 #define MT7530_MHWTRAP			0x7804
440 #define  MHWTRAP_PHY0_SEL		BIT(20)
441 #define  MHWTRAP_MANUAL			BIT(16)
442 #define  MHWTRAP_P5_MAC_SEL		BIT(13)
443 #define  MHWTRAP_P6_DIS			BIT(8)
444 #define  MHWTRAP_P5_RGMII_MODE		BIT(7)
445 #define  MHWTRAP_P5_DIS			BIT(6)
446 #define  MHWTRAP_PHY_ACCESS		BIT(5)
447 
448 /* Register for TOP signal control */
449 #define MT7530_TOP_SIG_CTRL		0x7808
450 #define  TOP_SIG_CTRL_NORMAL		(BIT(17) | BIT(16))
451 
452 #define MT7531_TOP_SIG_SR		0x780c
453 #define  PAD_DUAL_SGMII_EN		BIT(1)
454 #define  PAD_MCM_SMI_EN			BIT(0)
455 
456 #define MT7530_IO_DRV_CR		0x7810
457 #define  P5_IO_CLK_DRV(x)		((x) & 0x3)
458 #define  P5_IO_DATA_DRV(x)		(((x) & 0x3) << 4)
459 
460 #define MT7531_CHIP_REV			0x781C
461 
462 #define MT7531_PLLGP_EN			0x7820
463 #define  EN_COREPLL			BIT(2)
464 #define  SW_CLKSW			BIT(1)
465 #define  SW_PLLGP			BIT(0)
466 
467 #define MT7530_P6ECR			0x7830
468 #define  P6_INTF_MODE_MASK		0x3
469 #define  P6_INTF_MODE(x)		((x) & 0x3)
470 
471 #define MT7531_PLLGP_CR0		0x78a8
472 #define  RG_COREPLL_EN			BIT(22)
473 #define  RG_COREPLL_POSDIV_S		23
474 #define  RG_COREPLL_POSDIV_M		0x3800000
475 #define  RG_COREPLL_SDM_PCW_S		1
476 #define  RG_COREPLL_SDM_PCW_M		0x3ffffe
477 #define  RG_COREPLL_SDM_PCW_CHG		BIT(0)
478 
479 /* Registers for RGMII and SGMII PLL clock */
480 #define MT7531_ANA_PLLGP_CR2		0x78b0
481 #define MT7531_ANA_PLLGP_CR5		0x78bc
482 
483 /* Registers for TRGMII on the both side */
484 #define MT7530_TRGMII_RCK_CTRL		0x7a00
485 #define  RX_RST				BIT(31)
486 #define  RXC_DQSISEL			BIT(30)
487 #define  DQSI1_TAP_MASK			(0x7f << 8)
488 #define  DQSI0_TAP_MASK			0x7f
489 #define  DQSI1_TAP(x)			(((x) & 0x7f) << 8)
490 #define  DQSI0_TAP(x)			((x) & 0x7f)
491 
492 #define MT7530_TRGMII_RCK_RTT		0x7a04
493 #define  DQS1_GATE			BIT(31)
494 #define  DQS0_GATE			BIT(30)
495 
496 #define MT7530_TRGMII_RD(x)		(0x7a10 + (x) * 8)
497 #define  BSLIP_EN			BIT(31)
498 #define  EDGE_CHK			BIT(30)
499 #define  RD_TAP_MASK			0x7f
500 #define  RD_TAP(x)			((x) & 0x7f)
501 
502 #define MT7530_TRGMII_TXCTRL		0x7a40
503 #define  TRAIN_TXEN			BIT(31)
504 #define  TXC_INV			BIT(30)
505 #define  TX_RST				BIT(28)
506 
507 #define MT7530_TRGMII_TD_ODT(i)		(0x7a54 + 8 * (i))
508 #define  TD_DM_DRVP(x)			((x) & 0xf)
509 #define  TD_DM_DRVN(x)			(((x) & 0xf) << 4)
510 
511 #define MT7530_TRGMII_TCK_CTRL		0x7a78
512 #define  TCK_TAP(x)			(((x) & 0xf) << 8)
513 
514 #define MT7530_P5RGMIIRXCR		0x7b00
515 #define  CSR_RGMII_EDGE_ALIGN		BIT(8)
516 #define  CSR_RGMII_RXC_0DEG_CFG(x)	((x) & 0xf)
517 
518 #define MT7530_P5RGMIITXCR		0x7b04
519 #define  CSR_RGMII_TXC_CFG(x)		((x) & 0x1f)
520 
521 /* Registers for GPIO mode */
522 #define MT7531_GPIO_MODE0		0x7c0c
523 #define  MT7531_GPIO0_MASK		GENMASK(3, 0)
524 #define  MT7531_GPIO0_INTERRUPT		1
525 
526 #define MT7531_GPIO_MODE1		0x7c10
527 #define  MT7531_GPIO11_RG_RXD2_MASK	GENMASK(15, 12)
528 #define  MT7531_EXT_P_MDC_11		(2 << 12)
529 #define  MT7531_GPIO12_RG_RXD3_MASK	GENMASK(19, 16)
530 #define  MT7531_EXT_P_MDIO_12		(2 << 16)
531 
532 #define MT7530_CREV			0x7ffc
533 #define  CHIP_NAME_SHIFT		16
534 #define  MT7530_ID			0x7530
535 
536 #define MT7531_CREV			0x781C
537 #define  CHIP_REV_M			0x0f
538 #define  MT7531_ID			0x7531
539 
540 /* Registers for core PLL access through mmd indirect */
541 #define CORE_PLL_GROUP2			0x401
542 #define  RG_SYSPLL_EN_NORMAL		BIT(15)
543 #define  RG_SYSPLL_VODEN		BIT(14)
544 #define  RG_SYSPLL_LF			BIT(13)
545 #define  RG_SYSPLL_RST_DLY(x)		(((x) & 0x3) << 12)
546 #define  RG_SYSPLL_LVROD_EN		BIT(10)
547 #define  RG_SYSPLL_PREDIV(x)		(((x) & 0x3) << 8)
548 #define  RG_SYSPLL_POSDIV(x)		(((x) & 0x3) << 5)
549 #define  RG_SYSPLL_FBKSEL		BIT(4)
550 #define  RT_SYSPLL_EN_AFE_OLT		BIT(0)
551 
552 #define CORE_PLL_GROUP4			0x403
553 #define  RG_SYSPLL_DDSFBK_EN		BIT(12)
554 #define  RG_SYSPLL_BIAS_EN		BIT(11)
555 #define  RG_SYSPLL_BIAS_LPF_EN		BIT(10)
556 #define  MT7531_PHY_PLL_OFF		BIT(5)
557 #define  MT7531_PHY_PLL_BYPASS_MODE	BIT(4)
558 
559 #define MT753X_CTRL_PHY_ADDR		0
560 
561 #define CORE_PLL_GROUP5			0x404
562 #define  RG_LCDDS_PCW_NCPO1(x)		((x) & 0xffff)
563 
564 #define CORE_PLL_GROUP6			0x405
565 #define  RG_LCDDS_PCW_NCPO0(x)		((x) & 0xffff)
566 
567 #define CORE_PLL_GROUP7			0x406
568 #define  RG_LCDDS_PWDB			BIT(15)
569 #define  RG_LCDDS_ISO_EN		BIT(13)
570 #define  RG_LCCDS_C(x)			(((x) & 0x7) << 4)
571 #define  RG_LCDDS_PCW_NCPO_CHG		BIT(3)
572 
573 #define CORE_PLL_GROUP10		0x409
574 #define  RG_LCDDS_SSC_DELTA(x)		((x) & 0xfff)
575 
576 #define CORE_PLL_GROUP11		0x40a
577 #define  RG_LCDDS_SSC_DELTA1(x)		((x) & 0xfff)
578 
579 #define CORE_GSWPLL_GRP1		0x40d
580 #define  RG_GSWPLL_PREDIV(x)		(((x) & 0x3) << 14)
581 #define  RG_GSWPLL_POSDIV_200M(x)	(((x) & 0x3) << 12)
582 #define  RG_GSWPLL_EN_PRE		BIT(11)
583 #define  RG_GSWPLL_FBKSEL		BIT(10)
584 #define  RG_GSWPLL_BP			BIT(9)
585 #define  RG_GSWPLL_BR			BIT(8)
586 #define  RG_GSWPLL_FBKDIV_200M(x)	((x) & 0xff)
587 
588 #define CORE_GSWPLL_GRP2		0x40e
589 #define  RG_GSWPLL_POSDIV_500M(x)	(((x) & 0x3) << 8)
590 #define  RG_GSWPLL_FBKDIV_500M(x)	((x) & 0xff)
591 
592 #define CORE_TRGMII_GSW_CLK_CG		0x410
593 #define  REG_GSWCK_EN			BIT(0)
594 #define  REG_TRGMIICK_EN		BIT(1)
595 
596 #define MIB_DESC(_s, _o, _n)	\
597 	{			\
598 		.size = (_s),	\
599 		.offset = (_o),	\
600 		.name = (_n),	\
601 	}
602 
603 struct mt7530_mib_desc {
604 	unsigned int size;
605 	unsigned int offset;
606 	const char *name;
607 };
608 
609 struct mt7530_fdb {
610 	u16 vid;
611 	u8 port_mask;
612 	u8 aging;
613 	u8 mac[6];
614 	bool noarp;
615 };
616 
617 /* struct mt7530_port -	This is the main data structure for holding the state
618  *			of the port.
619  * @enable:	The status used for show port is enabled or not.
620  * @pm:		The matrix used to show all connections with the port.
621  * @pvid:	The VLAN specified is to be considered a PVID at ingress.  Any
622  *		untagged frames will be assigned to the related VLAN.
623  * @vlan_filtering: The flags indicating whether the port that can recognize
624  *		    VLAN-tagged frames.
625  */
626 struct mt7530_port {
627 	bool enable;
628 	u32 pm;
629 	u16 pvid;
630 };
631 
632 /* Port 5 interface select definitions */
633 enum p5_interface_select {
634 	P5_DISABLED = 0,
635 	P5_INTF_SEL_PHY_P0,
636 	P5_INTF_SEL_PHY_P4,
637 	P5_INTF_SEL_GMAC5,
638 	P5_INTF_SEL_GMAC5_SGMII,
639 };
640 
641 static const char *p5_intf_modes(unsigned int p5_interface)
642 {
643 	switch (p5_interface) {
644 	case P5_DISABLED:
645 		return "DISABLED";
646 	case P5_INTF_SEL_PHY_P0:
647 		return "PHY P0";
648 	case P5_INTF_SEL_PHY_P4:
649 		return "PHY P4";
650 	case P5_INTF_SEL_GMAC5:
651 		return "GMAC5";
652 	case P5_INTF_SEL_GMAC5_SGMII:
653 		return "GMAC5_SGMII";
654 	default:
655 		return "unknown";
656 	}
657 }
658 
659 /* struct mt753x_info -	This is the main data structure for holding the specific
660  *			part for each supported device
661  * @sw_setup:		Holding the handler to a device initialization
662  * @phy_read:		Holding the way reading PHY port
663  * @phy_write:		Holding the way writing PHY port
664  * @pad_setup:		Holding the way setting up the bus pad for a certain
665  *			MAC port
666  * @phy_mode_supported:	Check if the PHY type is being supported on a certain
667  *			port
668  * @mac_port_validate:	Holding the way to set addition validate type for a
669  *			certan MAC port
670  * @mac_port_get_state: Holding the way getting the MAC/PCS state for a certain
671  *			MAC port
672  * @mac_port_config:	Holding the way setting up the PHY attribute to a
673  *			certain MAC port
674  * @mac_pcs_an_restart	Holding the way restarting PCS autonegotiation for a
675  *			certain MAC port
676  * @mac_pcs_link_up:	Holding the way setting up the PHY attribute to the pcs
677  *			of the certain MAC port
678  */
679 struct mt753x_info {
680 	enum mt753x_id id;
681 
682 	int (*sw_setup)(struct dsa_switch *ds);
683 	int (*phy_read)(struct dsa_switch *ds, int port, int regnum);
684 	int (*phy_write)(struct dsa_switch *ds, int port, int regnum, u16 val);
685 	int (*pad_setup)(struct dsa_switch *ds, phy_interface_t interface);
686 	int (*cpu_port_config)(struct dsa_switch *ds, int port);
687 	bool (*phy_mode_supported)(struct dsa_switch *ds, int port,
688 				   const struct phylink_link_state *state);
689 	void (*mac_port_validate)(struct dsa_switch *ds, int port,
690 				  unsigned long *supported);
691 	int (*mac_port_get_state)(struct dsa_switch *ds, int port,
692 				  struct phylink_link_state *state);
693 	int (*mac_port_config)(struct dsa_switch *ds, int port,
694 			       unsigned int mode,
695 			       phy_interface_t interface);
696 	void (*mac_pcs_an_restart)(struct dsa_switch *ds, int port);
697 	void (*mac_pcs_link_up)(struct dsa_switch *ds, int port,
698 				unsigned int mode, phy_interface_t interface,
699 				int speed, int duplex);
700 };
701 
702 /* struct mt7530_priv -	This is the main data structure for holding the state
703  *			of the driver
704  * @dev:		The device pointer
705  * @ds:			The pointer to the dsa core structure
706  * @bus:		The bus used for the device and built-in PHY
707  * @rstc:		The pointer to reset control used by MCM
708  * @core_pwr:		The power supplied into the core
709  * @io_pwr:		The power supplied into the I/O
710  * @reset:		The descriptor for GPIO line tied to its reset pin
711  * @mcm:		Flag for distinguishing if standalone IC or module
712  *			coupling
713  * @ports:		Holding the state among ports
714  * @reg_mutex:		The lock for protecting among process accessing
715  *			registers
716  * @p6_interface	Holding the current port 6 interface
717  * @p5_intf_sel:	Holding the current port 5 interface select
718  */
719 struct mt7530_priv {
720 	struct device		*dev;
721 	struct dsa_switch	*ds;
722 	struct mii_bus		*bus;
723 	struct reset_control	*rstc;
724 	struct regulator	*core_pwr;
725 	struct regulator	*io_pwr;
726 	struct gpio_desc	*reset;
727 	const struct mt753x_info *info;
728 	unsigned int		id;
729 	bool			mcm;
730 	phy_interface_t		p6_interface;
731 	phy_interface_t		p5_interface;
732 	unsigned int		p5_intf_sel;
733 	u8			mirror_rx;
734 	u8			mirror_tx;
735 
736 	struct mt7530_port	ports[MT7530_NUM_PORTS];
737 	/* protect among processes for registers access*/
738 	struct mutex reg_mutex;
739 };
740 
741 struct mt7530_hw_vlan_entry {
742 	int port;
743 	u8  old_members;
744 	bool untagged;
745 };
746 
747 static inline void mt7530_hw_vlan_entry_init(struct mt7530_hw_vlan_entry *e,
748 					     int port, bool untagged)
749 {
750 	e->port = port;
751 	e->untagged = untagged;
752 }
753 
754 typedef void (*mt7530_vlan_op)(struct mt7530_priv *,
755 			       struct mt7530_hw_vlan_entry *);
756 
757 struct mt7530_hw_stats {
758 	const char	*string;
759 	u16		reg;
760 	u8		sizeof_stat;
761 };
762 
763 struct mt7530_dummy_poll {
764 	struct mt7530_priv *priv;
765 	u32 reg;
766 };
767 
768 static inline void INIT_MT7530_DUMMY_POLL(struct mt7530_dummy_poll *p,
769 					  struct mt7530_priv *priv, u32 reg)
770 {
771 	p->priv = priv;
772 	p->reg = reg;
773 }
774 
775 #endif /* __MT7530_H */
776