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1/* SPDX-License-Identifier: GPL-2.0-only */
2/*
3 * Copyright (C) 2017 Sean Wang <sean.wang@mediatek.com>
4 */
5
6#ifndef __MT7530_H
7#define __MT7530_H
8
9#define MT7530_NUM_PORTS 7
10#define MT7530_NUM_PHYS 5
11#define MT7530_NUM_FDB_RECORDS 2048
12#define MT7530_ALL_MEMBERS 0xff
13
14#define MTK_HDR_LEN 4
15#define MT7530_MAX_MTU (15 * 1024 - ETH_HLEN - ETH_FCS_LEN - MTK_HDR_LEN)
16
17enum mt753x_id {
18 ID_MT7530 = 0,
19 ID_MT7621 = 1,
20 ID_MT7531 = 2,
21};
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
68enum 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#define ATA2_IVL BIT(15)
82#define ATA2_FID(x) (((x) & 0x7) << 12)
83
84/* Register for address table write data */
85#define MT7530_ATWD 0x7c
86
87/* Register for address table control */
88#define MT7530_ATC 0x80
89#define ATC_HASH (((x) & 0xfff) << 16)
90#define ATC_BUSY BIT(15)
91#define ATC_SRCH_END BIT(14)
92#define ATC_SRCH_HIT BIT(13)
93#define ATC_INVALID BIT(12)
94#define ATC_MAT(x) (((x) & 0xf) << 8)
95#define ATC_MAT_MACTAB ATC_MAT(0)
96
97enum mt7530_fdb_cmd {
98 MT7530_FDB_READ = 0,
99 MT7530_FDB_WRITE = 1,
100 MT7530_FDB_FLUSH = 2,
101 MT7530_FDB_START = 4,
102 MT7530_FDB_NEXT = 5,
103};
104
105/* Registers for table search read address */
106#define MT7530_TSRA1 0x84
107#define MAC_BYTE_0 24
108#define MAC_BYTE_1 16
109#define MAC_BYTE_2 8
110#define MAC_BYTE_3 0
111#define MAC_BYTE_MASK 0xff
112
113#define MT7530_TSRA2 0x88
114#define MAC_BYTE_4 24
115#define MAC_BYTE_5 16
116#define CVID 0
117#define CVID_MASK 0xfff
118
119#define MT7530_ATRD 0x8C
120#define AGE_TIMER 24
121#define AGE_TIMER_MASK 0xff
122#define PORT_MAP 4
123#define PORT_MAP_MASK 0xff
124#define ENT_STATUS 2
125#define ENT_STATUS_MASK 0x3
126
127/* Register for vlan table control */
128#define MT7530_VTCR 0x90
129#define VTCR_BUSY BIT(31)
130#define VTCR_INVALID BIT(16)
131#define VTCR_FUNC(x) (((x) & 0xf) << 12)
132#define VTCR_VID ((x) & 0xfff)
133
134enum mt7530_vlan_cmd {
135 /* Read/Write the specified VID entry from VAWD register based
136 * on VID.
137 */
138 MT7530_VTCR_RD_VID = 0,
139 MT7530_VTCR_WR_VID = 1,
140};
141
142/* Register for setup vlan and acl write data */
143#define MT7530_VAWD1 0x94
144#define PORT_STAG BIT(31)
145/* Independent VLAN Learning */
146#define IVL_MAC BIT(30)
147/* Egress Tag Consistent */
148#define EG_CON BIT(29)
149/* Per VLAN Egress Tag Control */
150#define VTAG_EN BIT(28)
151/* VLAN Member Control */
152#define PORT_MEM(x) (((x) & 0xff) << 16)
153/* Filter ID */
154#define FID(x) (((x) & 0x7) << 1)
155/* VLAN Entry Valid */
156#define VLAN_VALID BIT(0)
157#define PORT_MEM_SHFT 16
158#define PORT_MEM_MASK 0xff
159
160enum mt7530_fid {
161 FID_STANDALONE = 0,
162 FID_BRIDGED = 1,
163};
164
165#define MT7530_VAWD2 0x98
166/* Egress Tag Control */
167#define ETAG_CTRL_P(p, x) (((x) & 0x3) << ((p) << 1))
168#define ETAG_CTRL_P_MASK(p) ETAG_CTRL_P(p, 3)
169
170enum mt7530_vlan_egress_attr {
171 MT7530_VLAN_EGRESS_UNTAG = 0,
172 MT7530_VLAN_EGRESS_TAG = 2,
173 MT7530_VLAN_EGRESS_STACK = 3,
174};
175
176/* Register for address age control */
177#define MT7530_AAC 0xa0
178/* Disable ageing */
179#define AGE_DIS BIT(20)
180/* Age count */
181#define AGE_CNT_MASK GENMASK(19, 12)
182#define AGE_CNT_MAX 0xff
183#define AGE_CNT(x) (AGE_CNT_MASK & ((x) << 12))
184/* Age unit */
185#define AGE_UNIT_MASK GENMASK(11, 0)
186#define AGE_UNIT_MAX 0xfff
187#define AGE_UNIT(x) (AGE_UNIT_MASK & (x))
188
189/* Register for port STP state control */
190#define MT7530_SSP_P(x) (0x2000 + ((x) * 0x100))
191#define FID_PST(fid, state) (((state) & 0x3) << ((fid) * 2))
192#define FID_PST_MASK(fid) FID_PST(fid, 0x3)
193
194enum mt7530_stp_state {
195 MT7530_STP_DISABLED = 0,
196 MT7530_STP_BLOCKING = 1,
197 MT7530_STP_LISTENING = 1,
198 MT7530_STP_LEARNING = 2,
199 MT7530_STP_FORWARDING = 3
200};
201
202/* Register for port control */
203#define MT7530_PCR_P(x) (0x2004 + ((x) * 0x100))
204#define PORT_TX_MIR BIT(9)
205#define PORT_RX_MIR BIT(8)
206#define PORT_VLAN(x) ((x) & 0x3)
207
208enum mt7530_port_mode {
209 /* Port Matrix Mode: Frames are forwarded by the PCR_MATRIX members. */
210 MT7530_PORT_MATRIX_MODE = PORT_VLAN(0),
211
212 /* Fallback Mode: Forward received frames with ingress ports that do
213 * not belong to the VLAN member. Frames whose VID is not listed on
214 * the VLAN table are forwarded by the PCR_MATRIX members.
215 */
216 MT7530_PORT_FALLBACK_MODE = PORT_VLAN(1),
217
218 /* Security Mode: Discard any frame due to ingress membership
219 * violation or VID missed on the VLAN table.
220 */
221 MT7530_PORT_SECURITY_MODE = PORT_VLAN(3),
222};
223
224#define PCR_MATRIX(x) (((x) & 0xff) << 16)
225#define PORT_PRI(x) (((x) & 0x7) << 24)
226#define EG_TAG(x) (((x) & 0x3) << 28)
227#define PCR_MATRIX_MASK PCR_MATRIX(0xff)
228#define PCR_MATRIX_CLR PCR_MATRIX(0)
229#define PCR_PORT_VLAN_MASK PORT_VLAN(3)
230
231/* Register for port security control */
232#define MT7530_PSC_P(x) (0x200c + ((x) * 0x100))
233#define SA_DIS BIT(4)
234
235/* Register for port vlan control */
236#define MT7530_PVC_P(x) (0x2010 + ((x) * 0x100))
237#define PORT_SPEC_TAG BIT(5)
238#define PVC_EG_TAG(x) (((x) & 0x7) << 8)
239#define PVC_EG_TAG_MASK PVC_EG_TAG(7)
240#define VLAN_ATTR(x) (((x) & 0x3) << 6)
241#define VLAN_ATTR_MASK VLAN_ATTR(3)
242#define ACC_FRM_MASK GENMASK(1, 0)
243
244enum mt7530_vlan_port_eg_tag {
245 MT7530_VLAN_EG_DISABLED = 0,
246 MT7530_VLAN_EG_CONSISTENT = 1,
247};
248
249enum mt7530_vlan_port_attr {
250 MT7530_VLAN_USER = 0,
251 MT7530_VLAN_TRANSPARENT = 3,
252};
253
254enum mt7530_vlan_port_acc_frm {
255 MT7530_VLAN_ACC_ALL = 0,
256 MT7530_VLAN_ACC_TAGGED = 1,
257 MT7530_VLAN_ACC_UNTAGGED = 2,
258};
259
260#define STAG_VPID (((x) & 0xffff) << 16)
261
262/* Register for port port-and-protocol based vlan 1 control */
263#define MT7530_PPBV1_P(x) (0x2014 + ((x) * 0x100))
264#define G0_PORT_VID(x) (((x) & 0xfff) << 0)
265#define G0_PORT_VID_MASK G0_PORT_VID(0xfff)
266#define G0_PORT_VID_DEF G0_PORT_VID(0)
267
268/* Register for port MAC control register */
269#define MT7530_PMCR_P(x) (0x3000 + ((x) * 0x100))
270#define PMCR_IFG_XMIT(x) (((x) & 0x3) << 18)
271#define PMCR_EXT_PHY BIT(17)
272#define PMCR_MAC_MODE BIT(16)
273#define PMCR_FORCE_MODE BIT(15)
274#define PMCR_TX_EN BIT(14)
275#define PMCR_RX_EN BIT(13)
276#define PMCR_BACKOFF_EN BIT(9)
277#define PMCR_BACKPR_EN BIT(8)
278#define PMCR_FORCE_EEE1G BIT(7)
279#define PMCR_FORCE_EEE100 BIT(6)
280#define PMCR_TX_FC_EN BIT(5)
281#define PMCR_RX_FC_EN BIT(4)
282#define PMCR_FORCE_SPEED_1000 BIT(3)
283#define PMCR_FORCE_SPEED_100 BIT(2)
284#define PMCR_FORCE_FDX BIT(1)
285#define PMCR_FORCE_LNK BIT(0)
286#define PMCR_SPEED_MASK (PMCR_FORCE_SPEED_100 | \
287 PMCR_FORCE_SPEED_1000)
288#define MT7531_FORCE_LNK BIT(31)
289#define MT7531_FORCE_SPD BIT(30)
290#define MT7531_FORCE_DPX BIT(29)
291#define MT7531_FORCE_RX_FC BIT(28)
292#define MT7531_FORCE_TX_FC BIT(27)
293#define MT7531_FORCE_MODE (MT7531_FORCE_LNK | \
294 MT7531_FORCE_SPD | \
295 MT7531_FORCE_DPX | \
296 MT7531_FORCE_RX_FC | \
297 MT7531_FORCE_TX_FC)
298#define PMCR_FORCE_MODE_ID(id) (((id) == ID_MT7531) ? \
299 MT7531_FORCE_MODE : \
300 PMCR_FORCE_MODE)
301#define PMCR_LINK_SETTINGS_MASK (PMCR_TX_EN | PMCR_FORCE_SPEED_1000 | \
302 PMCR_RX_EN | PMCR_FORCE_SPEED_100 | \
303 PMCR_TX_FC_EN | PMCR_RX_FC_EN | \
304 PMCR_FORCE_FDX | PMCR_FORCE_LNK | \
305 PMCR_FORCE_EEE1G | PMCR_FORCE_EEE100)
306#define PMCR_CPU_PORT_SETTING(id) (PMCR_FORCE_MODE_ID((id)) | \
307 PMCR_IFG_XMIT(1) | PMCR_MAC_MODE | \
308 PMCR_BACKOFF_EN | PMCR_BACKPR_EN | \
309 PMCR_TX_EN | PMCR_RX_EN | \
310 PMCR_TX_FC_EN | PMCR_RX_FC_EN | \
311 PMCR_FORCE_SPEED_1000 | \
312 PMCR_FORCE_FDX | PMCR_FORCE_LNK)
313
314#define MT7530_PMEEECR_P(x) (0x3004 + (x) * 0x100)
315#define WAKEUP_TIME_1000(x) (((x) & 0xFF) << 24)
316#define WAKEUP_TIME_100(x) (((x) & 0xFF) << 16)
317#define LPI_THRESH_MASK GENMASK(15, 4)
318#define LPI_THRESH_SHT 4
319#define SET_LPI_THRESH(x) (((x) << LPI_THRESH_SHT) & LPI_THRESH_MASK)
320#define GET_LPI_THRESH(x) (((x) & LPI_THRESH_MASK) >> LPI_THRESH_SHT)
321#define LPI_MODE_EN BIT(0)
322
323#define MT7530_PMSR_P(x) (0x3008 + (x) * 0x100)
324#define PMSR_EEE1G BIT(7)
325#define PMSR_EEE100M BIT(6)
326#define PMSR_RX_FC BIT(5)
327#define PMSR_TX_FC BIT(4)
328#define PMSR_SPEED_1000 BIT(3)
329#define PMSR_SPEED_100 BIT(2)
330#define PMSR_SPEED_10 0x00
331#define PMSR_SPEED_MASK (PMSR_SPEED_100 | PMSR_SPEED_1000)
332#define PMSR_DPX BIT(1)
333#define PMSR_LINK BIT(0)
334
335/* Register for port debug count */
336#define MT7531_DBG_CNT(x) (0x3018 + (x) * 0x100)
337#define MT7531_DIS_CLR BIT(31)
338
339#define MT7530_GMACCR 0x30e0
340#define MAX_RX_JUMBO(x) ((x) << 2)
341#define MAX_RX_JUMBO_MASK GENMASK(5, 2)
342#define MAX_RX_PKT_LEN_MASK GENMASK(1, 0)
343#define MAX_RX_PKT_LEN_1522 0x0
344#define MAX_RX_PKT_LEN_1536 0x1
345#define MAX_RX_PKT_LEN_1552 0x2
346#define MAX_RX_PKT_LEN_JUMBO 0x3
347
348/* Register for MIB */
349#define MT7530_PORT_MIB_COUNTER(x) (0x4000 + (x) * 0x100)
350#define MT7530_MIB_CCR 0x4fe0
351#define CCR_MIB_ENABLE BIT(31)
352#define CCR_RX_OCT_CNT_GOOD BIT(7)
353#define CCR_RX_OCT_CNT_BAD BIT(6)
354#define CCR_TX_OCT_CNT_GOOD BIT(5)
355#define CCR_TX_OCT_CNT_BAD BIT(4)
356#define CCR_MIB_FLUSH (CCR_RX_OCT_CNT_GOOD | \
357 CCR_RX_OCT_CNT_BAD | \
358 CCR_TX_OCT_CNT_GOOD | \
359 CCR_TX_OCT_CNT_BAD)
360#define CCR_MIB_ACTIVATE (CCR_MIB_ENABLE | \
361 CCR_RX_OCT_CNT_GOOD | \
362 CCR_RX_OCT_CNT_BAD | \
363 CCR_TX_OCT_CNT_GOOD | \
364 CCR_TX_OCT_CNT_BAD)
365
366/* MT7531 SGMII register group */
367#define MT7531_SGMII_REG_BASE 0x5000
368#define MT7531_SGMII_REG(p, r) (MT7531_SGMII_REG_BASE + \
369 ((p) - 5) * 0x1000 + (r))
370
371/* Register forSGMII PCS_CONTROL_1 */
372#define MT7531_PCS_CONTROL_1(p) MT7531_SGMII_REG(p, 0x00)
373#define MT7531_SGMII_LINK_STATUS BIT(18)
374#define MT7531_SGMII_AN_ENABLE BIT(12)
375#define MT7531_SGMII_AN_RESTART BIT(9)
376#define MT7531_SGMII_AN_COMPLETE BIT(21)
377
378/* Register for SGMII PCS_SPPED_ABILITY */
379#define MT7531_PCS_SPEED_ABILITY(p) MT7531_SGMII_REG(p, 0x08)
380#define MT7531_SGMII_TX_CONFIG_MASK GENMASK(15, 0)
381#define MT7531_SGMII_TX_CONFIG BIT(0)
382
383/* Register for SGMII_MODE */
384#define MT7531_SGMII_MODE(p) MT7531_SGMII_REG(p, 0x20)
385#define MT7531_SGMII_REMOTE_FAULT_DIS BIT(8)
386#define MT7531_SGMII_IF_MODE_MASK GENMASK(5, 1)
387#define MT7531_SGMII_FORCE_DUPLEX BIT(4)
388#define MT7531_SGMII_FORCE_SPEED_MASK GENMASK(3, 2)
389#define MT7531_SGMII_FORCE_SPEED_1000 BIT(3)
390#define MT7531_SGMII_FORCE_SPEED_100 BIT(2)
391#define MT7531_SGMII_FORCE_SPEED_10 0
392#define MT7531_SGMII_SPEED_DUPLEX_AN BIT(1)
393
394enum mt7531_sgmii_force_duplex {
395 MT7531_SGMII_FORCE_FULL_DUPLEX = 0,
396 MT7531_SGMII_FORCE_HALF_DUPLEX = 0x10,
397};
398
399/* Fields of QPHY_PWR_STATE_CTRL */
400#define MT7531_QPHY_PWR_STATE_CTRL(p) MT7531_SGMII_REG(p, 0xe8)
401#define MT7531_SGMII_PHYA_PWD BIT(4)
402
403/* Values of SGMII SPEED */
404#define MT7531_PHYA_CTRL_SIGNAL3(p) MT7531_SGMII_REG(p, 0x128)
405#define MT7531_RG_TPHY_SPEED_MASK (BIT(2) | BIT(3))
406#define MT7531_RG_TPHY_SPEED_1_25G 0x0
407#define MT7531_RG_TPHY_SPEED_3_125G BIT(2)
408
409/* Register for system reset */
410#define MT7530_SYS_CTRL 0x7000
411#define SYS_CTRL_PHY_RST BIT(2)
412#define SYS_CTRL_SW_RST BIT(1)
413#define SYS_CTRL_REG_RST BIT(0)
414
415/* Register for system interrupt */
416#define MT7530_SYS_INT_EN 0x7008
417
418/* Register for system interrupt status */
419#define MT7530_SYS_INT_STS 0x700c
420
421/* Register for PHY Indirect Access Control */
422#define MT7531_PHY_IAC 0x701C
423#define MT7531_PHY_ACS_ST BIT(31)
424#define MT7531_MDIO_REG_ADDR_MASK (0x1f << 25)
425#define MT7531_MDIO_PHY_ADDR_MASK (0x1f << 20)
426#define MT7531_MDIO_CMD_MASK (0x3 << 18)
427#define MT7531_MDIO_ST_MASK (0x3 << 16)
428#define MT7531_MDIO_RW_DATA_MASK (0xffff)
429#define MT7531_MDIO_REG_ADDR(x) (((x) & 0x1f) << 25)
430#define MT7531_MDIO_DEV_ADDR(x) (((x) & 0x1f) << 25)
431#define MT7531_MDIO_PHY_ADDR(x) (((x) & 0x1f) << 20)
432#define MT7531_MDIO_CMD(x) (((x) & 0x3) << 18)
433#define MT7531_MDIO_ST(x) (((x) & 0x3) << 16)
434
435enum mt7531_phy_iac_cmd {
436 MT7531_MDIO_ADDR = 0,
437 MT7531_MDIO_WRITE = 1,
438 MT7531_MDIO_READ = 2,
439 MT7531_MDIO_READ_CL45 = 3,
440};
441
442/* MDIO_ST: MDIO start field */
443enum mt7531_mdio_st {
444 MT7531_MDIO_ST_CL45 = 0,
445 MT7531_MDIO_ST_CL22 = 1,
446};
447
448#define MT7531_MDIO_CL22_READ (MT7531_MDIO_ST(MT7531_MDIO_ST_CL22) | \
449 MT7531_MDIO_CMD(MT7531_MDIO_READ))
450#define MT7531_MDIO_CL22_WRITE (MT7531_MDIO_ST(MT7531_MDIO_ST_CL22) | \
451 MT7531_MDIO_CMD(MT7531_MDIO_WRITE))
452#define MT7531_MDIO_CL45_ADDR (MT7531_MDIO_ST(MT7531_MDIO_ST_CL45) | \
453 MT7531_MDIO_CMD(MT7531_MDIO_ADDR))
454#define MT7531_MDIO_CL45_READ (MT7531_MDIO_ST(MT7531_MDIO_ST_CL45) | \
455 MT7531_MDIO_CMD(MT7531_MDIO_READ))
456#define MT7531_MDIO_CL45_WRITE (MT7531_MDIO_ST(MT7531_MDIO_ST_CL45) | \
457 MT7531_MDIO_CMD(MT7531_MDIO_WRITE))
458
459/* Register for RGMII clock phase */
460#define MT7531_CLKGEN_CTRL 0x7500
461#define CLK_SKEW_OUT(x) (((x) & 0x3) << 8)
462#define CLK_SKEW_OUT_MASK GENMASK(9, 8)
463#define CLK_SKEW_IN(x) (((x) & 0x3) << 6)
464#define CLK_SKEW_IN_MASK GENMASK(7, 6)
465#define RXCLK_NO_DELAY BIT(5)
466#define TXCLK_NO_REVERSE BIT(4)
467#define GP_MODE(x) (((x) & 0x3) << 1)
468#define GP_MODE_MASK GENMASK(2, 1)
469#define GP_CLK_EN BIT(0)
470
471enum mt7531_gp_mode {
472 MT7531_GP_MODE_RGMII = 0,
473 MT7531_GP_MODE_MII = 1,
474 MT7531_GP_MODE_REV_MII = 2
475};
476
477enum mt7531_clk_skew {
478 MT7531_CLK_SKEW_NO_CHG = 0,
479 MT7531_CLK_SKEW_DLY_100PPS = 1,
480 MT7531_CLK_SKEW_DLY_200PPS = 2,
481 MT7531_CLK_SKEW_REVERSE = 3,
482};
483
484/* Register for hw trap status */
485#define MT7530_HWTRAP 0x7800
486#define HWTRAP_XTAL_MASK (BIT(10) | BIT(9))
487#define HWTRAP_XTAL_25MHZ (BIT(10) | BIT(9))
488#define HWTRAP_XTAL_40MHZ (BIT(10))
489#define HWTRAP_XTAL_20MHZ (BIT(9))
490
491#define MT7531_HWTRAP 0x7800
492#define HWTRAP_XTAL_FSEL_MASK BIT(7)
493#define HWTRAP_XTAL_FSEL_25MHZ BIT(7)
494#define HWTRAP_XTAL_FSEL_40MHZ 0
495/* Unique fields of (M)HWSTRAP for MT7531 */
496#define XTAL_FSEL_S 7
497#define XTAL_FSEL_M BIT(7)
498#define PHY_EN BIT(6)
499#define CHG_STRAP BIT(8)
500
501/* Register for hw trap modification */
502#define MT7530_MHWTRAP 0x7804
503#define MHWTRAP_PHY0_SEL BIT(20)
504#define MHWTRAP_MANUAL BIT(16)
505#define MHWTRAP_P5_MAC_SEL BIT(13)
506#define MHWTRAP_P6_DIS BIT(8)
507#define MHWTRAP_P5_RGMII_MODE BIT(7)
508#define MHWTRAP_P5_DIS BIT(6)
509#define MHWTRAP_PHY_ACCESS BIT(5)
510
511/* Register for TOP signal control */
512#define MT7530_TOP_SIG_CTRL 0x7808
513#define TOP_SIG_CTRL_NORMAL (BIT(17) | BIT(16))
514
515#define MT7531_TOP_SIG_SR 0x780c
516#define PAD_DUAL_SGMII_EN BIT(1)
517#define PAD_MCM_SMI_EN BIT(0)
518
519#define MT7530_IO_DRV_CR 0x7810
520#define P5_IO_CLK_DRV(x) ((x) & 0x3)
521#define P5_IO_DATA_DRV(x) (((x) & 0x3) << 4)
522
523#define MT7531_CHIP_REV 0x781C
524
525#define MT7531_PLLGP_EN 0x7820
526#define EN_COREPLL BIT(2)
527#define SW_CLKSW BIT(1)
528#define SW_PLLGP BIT(0)
529
530#define MT7530_P6ECR 0x7830
531#define P6_INTF_MODE_MASK 0x3
532#define P6_INTF_MODE(x) ((x) & 0x3)
533
534#define MT7531_PLLGP_CR0 0x78a8
535#define RG_COREPLL_EN BIT(22)
536#define RG_COREPLL_POSDIV_S 23
537#define RG_COREPLL_POSDIV_M 0x3800000
538#define RG_COREPLL_SDM_PCW_S 1
539#define RG_COREPLL_SDM_PCW_M 0x3ffffe
540#define RG_COREPLL_SDM_PCW_CHG BIT(0)
541
542/* Registers for RGMII and SGMII PLL clock */
543#define MT7531_ANA_PLLGP_CR2 0x78b0
544#define MT7531_ANA_PLLGP_CR5 0x78bc
545
546/* Registers for TRGMII on the both side */
547#define MT7530_TRGMII_RCK_CTRL 0x7a00
548#define RX_RST BIT(31)
549#define RXC_DQSISEL BIT(30)
550#define DQSI1_TAP_MASK (0x7f << 8)
551#define DQSI0_TAP_MASK 0x7f
552#define DQSI1_TAP(x) (((x) & 0x7f) << 8)
553#define DQSI0_TAP(x) ((x) & 0x7f)
554
555#define MT7530_TRGMII_RCK_RTT 0x7a04
556#define DQS1_GATE BIT(31)
557#define DQS0_GATE BIT(30)
558
559#define MT7530_TRGMII_RD(x) (0x7a10 + (x) * 8)
560#define BSLIP_EN BIT(31)
561#define EDGE_CHK BIT(30)
562#define RD_TAP_MASK 0x7f
563#define RD_TAP(x) ((x) & 0x7f)
564
565#define MT7530_TRGMII_TXCTRL 0x7a40
566#define TRAIN_TXEN BIT(31)
567#define TXC_INV BIT(30)
568#define TX_RST BIT(28)
569
570#define MT7530_TRGMII_TD_ODT(i) (0x7a54 + 8 * (i))
571#define TD_DM_DRVP(x) ((x) & 0xf)
572#define TD_DM_DRVN(x) (((x) & 0xf) << 4)
573
574#define MT7530_TRGMII_TCK_CTRL 0x7a78
575#define TCK_TAP(x) (((x) & 0xf) << 8)
576
577#define MT7530_P5RGMIIRXCR 0x7b00
578#define CSR_RGMII_EDGE_ALIGN BIT(8)
579#define CSR_RGMII_RXC_0DEG_CFG(x) ((x) & 0xf)
580
581#define MT7530_P5RGMIITXCR 0x7b04
582#define CSR_RGMII_TXC_CFG(x) ((x) & 0x1f)
583
584/* Registers for GPIO mode */
585#define MT7531_GPIO_MODE0 0x7c0c
586#define MT7531_GPIO0_MASK GENMASK(3, 0)
587#define MT7531_GPIO0_INTERRUPT 1
588
589#define MT7531_GPIO_MODE1 0x7c10
590#define MT7531_GPIO11_RG_RXD2_MASK GENMASK(15, 12)
591#define MT7531_EXT_P_MDC_11 (2 << 12)
592#define MT7531_GPIO12_RG_RXD3_MASK GENMASK(19, 16)
593#define MT7531_EXT_P_MDIO_12 (2 << 16)
594
595/* Registers for LED GPIO control (MT7530 only)
596 * All registers follow this pattern:
597 * [ 2: 0] port 0
598 * [ 6: 4] port 1
599 * [10: 8] port 2
600 * [14:12] port 3
601 * [18:16] port 4
602 */
603
604/* LED enable, 0: Disable, 1: Enable (Default) */
605#define MT7530_LED_EN 0x7d00
606/* LED mode, 0: GPIO mode, 1: PHY mode (Default) */
607#define MT7530_LED_IO_MODE 0x7d04
608/* GPIO direction, 0: Input, 1: Output */
609#define MT7530_LED_GPIO_DIR 0x7d10
610/* GPIO output enable, 0: Disable, 1: Enable */
611#define MT7530_LED_GPIO_OE 0x7d14
612/* GPIO value, 0: Low, 1: High */
613#define MT7530_LED_GPIO_DATA 0x7d18
614
615#define MT7530_CREV 0x7ffc
616#define CHIP_NAME_SHIFT 16
617#define MT7530_ID 0x7530
618
619#define MT7531_CREV 0x781C
620#define CHIP_REV_M 0x0f
621#define MT7531_ID 0x7531
622
623/* Registers for core PLL access through mmd indirect */
624#define CORE_PLL_GROUP2 0x401
625#define RG_SYSPLL_EN_NORMAL BIT(15)
626#define RG_SYSPLL_VODEN BIT(14)
627#define RG_SYSPLL_LF BIT(13)
628#define RG_SYSPLL_RST_DLY(x) (((x) & 0x3) << 12)
629#define RG_SYSPLL_LVROD_EN BIT(10)
630#define RG_SYSPLL_PREDIV(x) (((x) & 0x3) << 8)
631#define RG_SYSPLL_POSDIV(x) (((x) & 0x3) << 5)
632#define RG_SYSPLL_FBKSEL BIT(4)
633#define RT_SYSPLL_EN_AFE_OLT BIT(0)
634
635#define CORE_PLL_GROUP4 0x403
636#define RG_SYSPLL_DDSFBK_EN BIT(12)
637#define RG_SYSPLL_BIAS_EN BIT(11)
638#define RG_SYSPLL_BIAS_LPF_EN BIT(10)
639#define MT7531_PHY_PLL_OFF BIT(5)
640#define MT7531_PHY_PLL_BYPASS_MODE BIT(4)
641
642#define MT753X_CTRL_PHY_ADDR 0
643
644#define CORE_PLL_GROUP5 0x404
645#define RG_LCDDS_PCW_NCPO1(x) ((x) & 0xffff)
646
647#define CORE_PLL_GROUP6 0x405
648#define RG_LCDDS_PCW_NCPO0(x) ((x) & 0xffff)
649
650#define CORE_PLL_GROUP7 0x406
651#define RG_LCDDS_PWDB BIT(15)
652#define RG_LCDDS_ISO_EN BIT(13)
653#define RG_LCCDS_C(x) (((x) & 0x7) << 4)
654#define RG_LCDDS_PCW_NCPO_CHG BIT(3)
655
656#define CORE_PLL_GROUP10 0x409
657#define RG_LCDDS_SSC_DELTA(x) ((x) & 0xfff)
658
659#define CORE_PLL_GROUP11 0x40a
660#define RG_LCDDS_SSC_DELTA1(x) ((x) & 0xfff)
661
662#define CORE_GSWPLL_GRP1 0x40d
663#define RG_GSWPLL_PREDIV(x) (((x) & 0x3) << 14)
664#define RG_GSWPLL_POSDIV_200M(x) (((x) & 0x3) << 12)
665#define RG_GSWPLL_EN_PRE BIT(11)
666#define RG_GSWPLL_FBKSEL BIT(10)
667#define RG_GSWPLL_BP BIT(9)
668#define RG_GSWPLL_BR BIT(8)
669#define RG_GSWPLL_FBKDIV_200M(x) ((x) & 0xff)
670
671#define CORE_GSWPLL_GRP2 0x40e
672#define RG_GSWPLL_POSDIV_500M(x) (((x) & 0x3) << 8)
673#define RG_GSWPLL_FBKDIV_500M(x) ((x) & 0xff)
674
675#define CORE_TRGMII_GSW_CLK_CG 0x410
676#define REG_GSWCK_EN BIT(0)
677#define REG_TRGMIICK_EN BIT(1)
678
679#define MIB_DESC(_s, _o, _n) \
680 { \
681 .size = (_s), \
682 .offset = (_o), \
683 .name = (_n), \
684 }
685
686struct mt7530_mib_desc {
687 unsigned int size;
688 unsigned int offset;
689 const char *name;
690};
691
692struct mt7530_fdb {
693 u16 vid;
694 u8 port_mask;
695 u8 aging;
696 u8 mac[6];
697 bool noarp;
698};
699
700/* struct mt7530_port - This is the main data structure for holding the state
701 * of the port.
702 * @enable: The status used for show port is enabled or not.
703 * @pm: The matrix used to show all connections with the port.
704 * @pvid: The VLAN specified is to be considered a PVID at ingress. Any
705 * untagged frames will be assigned to the related VLAN.
706 * @vlan_filtering: The flags indicating whether the port that can recognize
707 * VLAN-tagged frames.
708 */
709struct mt7530_port {
710 bool enable;
711 u32 pm;
712 u16 pvid;
713};
714
715/* Port 5 interface select definitions */
716enum p5_interface_select {
717 P5_DISABLED = 0,
718 P5_INTF_SEL_PHY_P0,
719 P5_INTF_SEL_PHY_P4,
720 P5_INTF_SEL_GMAC5,
721 P5_INTF_SEL_GMAC5_SGMII,
722};
723
724static const char *p5_intf_modes(unsigned int p5_interface)
725{
726 switch (p5_interface) {
727 case P5_DISABLED:
728 return "DISABLED";
729 case P5_INTF_SEL_PHY_P0:
730 return "PHY P0";
731 case P5_INTF_SEL_PHY_P4:
732 return "PHY P4";
733 case P5_INTF_SEL_GMAC5:
734 return "GMAC5";
735 case P5_INTF_SEL_GMAC5_SGMII:
736 return "GMAC5_SGMII";
737 default:
738 return "unknown";
739 }
740}
741
742struct mt7530_priv;
743
744struct mt753x_pcs {
745 struct phylink_pcs pcs;
746 struct mt7530_priv *priv;
747 int port;
748};
749
750/* struct mt753x_info - This is the main data structure for holding the specific
751 * part for each supported device
752 * @sw_setup: Holding the handler to a device initialization
753 * @phy_read: Holding the way reading PHY port
754 * @phy_write: Holding the way writing PHY port
755 * @pad_setup: Holding the way setting up the bus pad for a certain
756 * MAC port
757 * @phy_mode_supported: Check if the PHY type is being supported on a certain
758 * port
759 * @mac_port_validate: Holding the way to set addition validate type for a
760 * certan MAC port
761 * @mac_port_config: Holding the way setting up the PHY attribute to a
762 * certain MAC port
763 */
764struct mt753x_info {
765 enum mt753x_id id;
766
767 const struct phylink_pcs_ops *pcs_ops;
768
769 int (*sw_setup)(struct dsa_switch *ds);
770 int (*phy_read)(struct mt7530_priv *priv, int port, int regnum);
771 int (*phy_write)(struct mt7530_priv *priv, int port, int regnum, u16 val);
772 int (*pad_setup)(struct dsa_switch *ds, phy_interface_t interface);
773 int (*cpu_port_config)(struct dsa_switch *ds, int port);
774 void (*mac_port_get_caps)(struct dsa_switch *ds, int port,
775 struct phylink_config *config);
776 void (*mac_port_validate)(struct dsa_switch *ds, int port,
777 phy_interface_t interface,
778 unsigned long *supported);
779 int (*mac_port_config)(struct dsa_switch *ds, int port,
780 unsigned int mode,
781 phy_interface_t interface);
782};
783
784/* struct mt7530_priv - This is the main data structure for holding the state
785 * of the driver
786 * @dev: The device pointer
787 * @ds: The pointer to the dsa core structure
788 * @bus: The bus used for the device and built-in PHY
789 * @rstc: The pointer to reset control used by MCM
790 * @core_pwr: The power supplied into the core
791 * @io_pwr: The power supplied into the I/O
792 * @reset: The descriptor for GPIO line tied to its reset pin
793 * @mcm: Flag for distinguishing if standalone IC or module
794 * coupling
795 * @ports: Holding the state among ports
796 * @reg_mutex: The lock for protecting among process accessing
797 * registers
798 * @p6_interface Holding the current port 6 interface
799 * @p5_intf_sel: Holding the current port 5 interface select
800 *
801 * @irq: IRQ number of the switch
802 * @irq_domain: IRQ domain of the switch irq_chip
803 * @irq_enable: IRQ enable bits, synced to SYS_INT_EN
804 */
805struct mt7530_priv {
806 struct device *dev;
807 struct dsa_switch *ds;
808 struct mii_bus *bus;
809 struct reset_control *rstc;
810 struct regulator *core_pwr;
811 struct regulator *io_pwr;
812 struct gpio_desc *reset;
813 const struct mt753x_info *info;
814 unsigned int id;
815 bool mcm;
816 phy_interface_t p6_interface;
817 phy_interface_t p5_interface;
818 unsigned int p5_intf_sel;
819 u8 mirror_rx;
820 u8 mirror_tx;
821
822 struct mt7530_port ports[MT7530_NUM_PORTS];
823 struct mt753x_pcs pcs[MT7530_NUM_PORTS];
824 /* protect among processes for registers access*/
825 struct mutex reg_mutex;
826 int irq;
827 struct irq_domain *irq_domain;
828 u32 irq_enable;
829};
830
831struct mt7530_hw_vlan_entry {
832 int port;
833 u8 old_members;
834 bool untagged;
835};
836
837static inline void mt7530_hw_vlan_entry_init(struct mt7530_hw_vlan_entry *e,
838 int port, bool untagged)
839{
840 e->port = port;
841 e->untagged = untagged;
842}
843
844typedef void (*mt7530_vlan_op)(struct mt7530_priv *,
845 struct mt7530_hw_vlan_entry *);
846
847struct mt7530_hw_stats {
848 const char *string;
849 u16 reg;
850 u8 sizeof_stat;
851};
852
853struct mt7530_dummy_poll {
854 struct mt7530_priv *priv;
855 u32 reg;
856};
857
858static inline void INIT_MT7530_DUMMY_POLL(struct mt7530_dummy_poll *p,
859 struct mt7530_priv *priv, u32 reg)
860{
861 p->priv = priv;
862 p->reg = reg;
863}
864
865#endif /* __MT7530_H */