1 /* SPDX-License-Identifier: GPL-2.0-only */
3 * Copyright (C) 2017 Sean Wang <sean.wang@mediatek.com>
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
19 #define NUM_TRGMII_CTRL 5
21 #define TRGMII_BASE(x) (0x10000 + (x))
23 /* Registers to ethsys access */
24 #define ETHSYS_CLKCFG0 0x2c
25 #define ETHSYS_TRGMII_CLK_SEL362_5 BIT(11)
27 #define SYSC_REG_RSTCTRL 0x34
28 #define RESET_MCM BIT(2)
30 /* Registers to mac forward control for unknown frames */
31 #define MT7530_MFC 0x10
32 #define BC_FFP(x) (((x) & 0xff) << 24)
33 #define UNM_FFP(x) (((x) & 0xff) << 16)
34 #define UNU_FFP(x) (((x) & 0xff) << 8)
35 #define UNU_FFP_MASK UNU_FFP(~0)
37 #define CPU_PORT(x) ((x) << 4)
38 #define CPU_MASK (0xf << 4)
39 #define MIRROR_EN BIT(3)
40 #define MIRROR_PORT(x) ((x) & 0x7)
41 #define MIRROR_MASK 0x7
43 /* Registers for address table access */
44 #define MT7530_ATA1 0x74
47 #define MT7530_ATA2 0x78
49 /* Register for address table write data */
50 #define MT7530_ATWD 0x7c
52 /* Register for address table control */
53 #define MT7530_ATC 0x80
54 #define ATC_HASH (((x) & 0xfff) << 16)
55 #define ATC_BUSY BIT(15)
56 #define ATC_SRCH_END BIT(14)
57 #define ATC_SRCH_HIT BIT(13)
58 #define ATC_INVALID BIT(12)
59 #define ATC_MAT(x) (((x) & 0xf) << 8)
60 #define ATC_MAT_MACTAB ATC_MAT(0)
70 /* Registers for table search read address */
71 #define MT7530_TSRA1 0x84
76 #define MAC_BYTE_MASK 0xff
78 #define MT7530_TSRA2 0x88
82 #define CVID_MASK 0xfff
84 #define MT7530_ATRD 0x8C
86 #define AGE_TIMER_MASK 0xff
88 #define PORT_MAP_MASK 0xff
90 #define ENT_STATUS_MASK 0x3
92 /* Register for vlan table control */
93 #define MT7530_VTCR 0x90
94 #define VTCR_BUSY BIT(31)
95 #define VTCR_INVALID BIT(16)
96 #define VTCR_FUNC(x) (((x) & 0xf) << 12)
97 #define VTCR_VID ((x) & 0xfff)
99 enum mt7530_vlan_cmd {
100 /* Read/Write the specified VID entry from VAWD register based
103 MT7530_VTCR_RD_VID = 0,
104 MT7530_VTCR_WR_VID = 1,
107 /* Register for setup vlan and acl write data */
108 #define MT7530_VAWD1 0x94
109 #define PORT_STAG BIT(31)
110 /* Independent VLAN Learning */
111 #define IVL_MAC BIT(30)
112 /* Per VLAN Egress Tag Control */
113 #define VTAG_EN BIT(28)
114 /* VLAN Member Control */
115 #define PORT_MEM(x) (((x) & 0xff) << 16)
116 /* VLAN Entry Valid */
117 #define VLAN_VALID BIT(0)
118 #define PORT_MEM_SHFT 16
119 #define PORT_MEM_MASK 0xff
121 #define MT7530_VAWD2 0x98
122 /* Egress Tag Control */
123 #define ETAG_CTRL_P(p, x) (((x) & 0x3) << ((p) << 1))
124 #define ETAG_CTRL_P_MASK(p) ETAG_CTRL_P(p, 3)
126 enum mt7530_vlan_egress_attr {
127 MT7530_VLAN_EGRESS_UNTAG = 0,
128 MT7530_VLAN_EGRESS_TAG = 2,
129 MT7530_VLAN_EGRESS_STACK = 3,
132 /* Register for port STP state control */
133 #define MT7530_SSP_P(x) (0x2000 + ((x) * 0x100))
134 #define FID_PST(x) ((x) & 0x3)
135 #define FID_PST_MASK FID_PST(0x3)
137 enum mt7530_stp_state {
138 MT7530_STP_DISABLED = 0,
139 MT7530_STP_BLOCKING = 1,
140 MT7530_STP_LISTENING = 1,
141 MT7530_STP_LEARNING = 2,
142 MT7530_STP_FORWARDING = 3
145 /* Register for port control */
146 #define MT7530_PCR_P(x) (0x2004 + ((x) * 0x100))
147 #define PORT_TX_MIR BIT(9)
148 #define PORT_RX_MIR BIT(8)
149 #define PORT_VLAN(x) ((x) & 0x3)
151 enum mt7530_port_mode {
152 /* Port Matrix Mode: Frames are forwarded by the PCR_MATRIX members. */
153 MT7530_PORT_MATRIX_MODE = PORT_VLAN(0),
155 /* Security Mode: Discard any frame due to ingress membership
156 * violation or VID missed on the VLAN table.
158 MT7530_PORT_SECURITY_MODE = PORT_VLAN(3),
161 #define PCR_MATRIX(x) (((x) & 0xff) << 16)
162 #define PORT_PRI(x) (((x) & 0x7) << 24)
163 #define EG_TAG(x) (((x) & 0x3) << 28)
164 #define PCR_MATRIX_MASK PCR_MATRIX(0xff)
165 #define PCR_MATRIX_CLR PCR_MATRIX(0)
166 #define PCR_PORT_VLAN_MASK PORT_VLAN(3)
168 /* Register for port security control */
169 #define MT7530_PSC_P(x) (0x200c + ((x) * 0x100))
170 #define SA_DIS BIT(4)
172 /* Register for port vlan control */
173 #define MT7530_PVC_P(x) (0x2010 + ((x) * 0x100))
174 #define PORT_SPEC_TAG BIT(5)
175 #define VLAN_ATTR(x) (((x) & 0x3) << 6)
176 #define VLAN_ATTR_MASK VLAN_ATTR(3)
178 enum mt7530_vlan_port_attr {
179 MT7530_VLAN_USER = 0,
180 MT7530_VLAN_TRANSPARENT = 3,
183 #define STAG_VPID (((x) & 0xffff) << 16)
185 /* Register for port port-and-protocol based vlan 1 control */
186 #define MT7530_PPBV1_P(x) (0x2014 + ((x) * 0x100))
187 #define G0_PORT_VID(x) (((x) & 0xfff) << 0)
188 #define G0_PORT_VID_MASK G0_PORT_VID(0xfff)
189 #define G0_PORT_VID_DEF G0_PORT_VID(1)
191 /* Register for port MAC control register */
192 #define MT7530_PMCR_P(x) (0x3000 + ((x) * 0x100))
193 #define PMCR_IFG_XMIT(x) (((x) & 0x3) << 18)
194 #define PMCR_EXT_PHY BIT(17)
195 #define PMCR_MAC_MODE BIT(16)
196 #define PMCR_FORCE_MODE BIT(15)
197 #define PMCR_TX_EN BIT(14)
198 #define PMCR_RX_EN BIT(13)
199 #define PMCR_BACKOFF_EN BIT(9)
200 #define PMCR_BACKPR_EN BIT(8)
201 #define PMCR_TX_FC_EN BIT(5)
202 #define PMCR_RX_FC_EN BIT(4)
203 #define PMCR_FORCE_SPEED_1000 BIT(3)
204 #define PMCR_FORCE_SPEED_100 BIT(2)
205 #define PMCR_FORCE_FDX BIT(1)
206 #define PMCR_FORCE_LNK BIT(0)
207 #define PMCR_SPEED_MASK (PMCR_FORCE_SPEED_100 | \
208 PMCR_FORCE_SPEED_1000)
209 #define PMCR_LINK_SETTINGS_MASK (PMCR_TX_EN | PMCR_FORCE_SPEED_1000 | \
210 PMCR_RX_EN | PMCR_FORCE_SPEED_100 | \
211 PMCR_TX_FC_EN | PMCR_RX_FC_EN | \
212 PMCR_FORCE_FDX | PMCR_FORCE_LNK)
214 #define MT7530_PMSR_P(x) (0x3008 + (x) * 0x100)
215 #define PMSR_EEE1G BIT(7)
216 #define PMSR_EEE100M BIT(6)
217 #define PMSR_RX_FC BIT(5)
218 #define PMSR_TX_FC BIT(4)
219 #define PMSR_SPEED_1000 BIT(3)
220 #define PMSR_SPEED_100 BIT(2)
221 #define PMSR_SPEED_10 0x00
222 #define PMSR_SPEED_MASK (PMSR_SPEED_100 | PMSR_SPEED_1000)
223 #define PMSR_DPX BIT(1)
224 #define PMSR_LINK BIT(0)
226 /* Register for MIB */
227 #define MT7530_PORT_MIB_COUNTER(x) (0x4000 + (x) * 0x100)
228 #define MT7530_MIB_CCR 0x4fe0
229 #define CCR_MIB_ENABLE BIT(31)
230 #define CCR_RX_OCT_CNT_GOOD BIT(7)
231 #define CCR_RX_OCT_CNT_BAD BIT(6)
232 #define CCR_TX_OCT_CNT_GOOD BIT(5)
233 #define CCR_TX_OCT_CNT_BAD BIT(4)
234 #define CCR_MIB_FLUSH (CCR_RX_OCT_CNT_GOOD | \
235 CCR_RX_OCT_CNT_BAD | \
236 CCR_TX_OCT_CNT_GOOD | \
238 #define CCR_MIB_ACTIVATE (CCR_MIB_ENABLE | \
239 CCR_RX_OCT_CNT_GOOD | \
240 CCR_RX_OCT_CNT_BAD | \
241 CCR_TX_OCT_CNT_GOOD | \
243 /* Register for system reset */
244 #define MT7530_SYS_CTRL 0x7000
245 #define SYS_CTRL_PHY_RST BIT(2)
246 #define SYS_CTRL_SW_RST BIT(1)
247 #define SYS_CTRL_REG_RST BIT(0)
249 /* Register for hw trap status */
250 #define MT7530_HWTRAP 0x7800
251 #define HWTRAP_XTAL_MASK (BIT(10) | BIT(9))
252 #define HWTRAP_XTAL_25MHZ (BIT(10) | BIT(9))
253 #define HWTRAP_XTAL_40MHZ (BIT(10))
254 #define HWTRAP_XTAL_20MHZ (BIT(9))
256 /* Register for hw trap modification */
257 #define MT7530_MHWTRAP 0x7804
258 #define MHWTRAP_PHY0_SEL BIT(20)
259 #define MHWTRAP_MANUAL BIT(16)
260 #define MHWTRAP_P5_MAC_SEL BIT(13)
261 #define MHWTRAP_P6_DIS BIT(8)
262 #define MHWTRAP_P5_RGMII_MODE BIT(7)
263 #define MHWTRAP_P5_DIS BIT(6)
264 #define MHWTRAP_PHY_ACCESS BIT(5)
266 /* Register for TOP signal control */
267 #define MT7530_TOP_SIG_CTRL 0x7808
268 #define TOP_SIG_CTRL_NORMAL (BIT(17) | BIT(16))
270 #define MT7530_IO_DRV_CR 0x7810
271 #define P5_IO_CLK_DRV(x) ((x) & 0x3)
272 #define P5_IO_DATA_DRV(x) (((x) & 0x3) << 4)
274 #define MT7530_P6ECR 0x7830
275 #define P6_INTF_MODE_MASK 0x3
276 #define P6_INTF_MODE(x) ((x) & 0x3)
278 /* Registers for TRGMII on the both side */
279 #define MT7530_TRGMII_RCK_CTRL 0x7a00
280 #define RX_RST BIT(31)
281 #define RXC_DQSISEL BIT(30)
282 #define DQSI1_TAP_MASK (0x7f << 8)
283 #define DQSI0_TAP_MASK 0x7f
284 #define DQSI1_TAP(x) (((x) & 0x7f) << 8)
285 #define DQSI0_TAP(x) ((x) & 0x7f)
287 #define MT7530_TRGMII_RCK_RTT 0x7a04
288 #define DQS1_GATE BIT(31)
289 #define DQS0_GATE BIT(30)
291 #define MT7530_TRGMII_RD(x) (0x7a10 + (x) * 8)
292 #define BSLIP_EN BIT(31)
293 #define EDGE_CHK BIT(30)
294 #define RD_TAP_MASK 0x7f
295 #define RD_TAP(x) ((x) & 0x7f)
297 #define MT7530_TRGMII_TXCTRL 0x7a40
298 #define TRAIN_TXEN BIT(31)
299 #define TXC_INV BIT(30)
300 #define TX_RST BIT(28)
302 #define MT7530_TRGMII_TD_ODT(i) (0x7a54 + 8 * (i))
303 #define TD_DM_DRVP(x) ((x) & 0xf)
304 #define TD_DM_DRVN(x) (((x) & 0xf) << 4)
306 #define MT7530_TRGMII_TCK_CTRL 0x7a78
307 #define TCK_TAP(x) (((x) & 0xf) << 8)
309 #define MT7530_P5RGMIIRXCR 0x7b00
310 #define CSR_RGMII_EDGE_ALIGN BIT(8)
311 #define CSR_RGMII_RXC_0DEG_CFG(x) ((x) & 0xf)
313 #define MT7530_P5RGMIITXCR 0x7b04
314 #define CSR_RGMII_TXC_CFG(x) ((x) & 0x1f)
316 #define MT7530_CREV 0x7ffc
317 #define CHIP_NAME_SHIFT 16
318 #define MT7530_ID 0x7530
320 /* Registers for core PLL access through mmd indirect */
321 #define CORE_PLL_GROUP2 0x401
322 #define RG_SYSPLL_EN_NORMAL BIT(15)
323 #define RG_SYSPLL_VODEN BIT(14)
324 #define RG_SYSPLL_LF BIT(13)
325 #define RG_SYSPLL_RST_DLY(x) (((x) & 0x3) << 12)
326 #define RG_SYSPLL_LVROD_EN BIT(10)
327 #define RG_SYSPLL_PREDIV(x) (((x) & 0x3) << 8)
328 #define RG_SYSPLL_POSDIV(x) (((x) & 0x3) << 5)
329 #define RG_SYSPLL_FBKSEL BIT(4)
330 #define RT_SYSPLL_EN_AFE_OLT BIT(0)
332 #define CORE_PLL_GROUP4 0x403
333 #define RG_SYSPLL_DDSFBK_EN BIT(12)
334 #define RG_SYSPLL_BIAS_EN BIT(11)
335 #define RG_SYSPLL_BIAS_LPF_EN BIT(10)
337 #define CORE_PLL_GROUP5 0x404
338 #define RG_LCDDS_PCW_NCPO1(x) ((x) & 0xffff)
340 #define CORE_PLL_GROUP6 0x405
341 #define RG_LCDDS_PCW_NCPO0(x) ((x) & 0xffff)
343 #define CORE_PLL_GROUP7 0x406
344 #define RG_LCDDS_PWDB BIT(15)
345 #define RG_LCDDS_ISO_EN BIT(13)
346 #define RG_LCCDS_C(x) (((x) & 0x7) << 4)
347 #define RG_LCDDS_PCW_NCPO_CHG BIT(3)
349 #define CORE_PLL_GROUP10 0x409
350 #define RG_LCDDS_SSC_DELTA(x) ((x) & 0xfff)
352 #define CORE_PLL_GROUP11 0x40a
353 #define RG_LCDDS_SSC_DELTA1(x) ((x) & 0xfff)
355 #define CORE_GSWPLL_GRP1 0x40d
356 #define RG_GSWPLL_PREDIV(x) (((x) & 0x3) << 14)
357 #define RG_GSWPLL_POSDIV_200M(x) (((x) & 0x3) << 12)
358 #define RG_GSWPLL_EN_PRE BIT(11)
359 #define RG_GSWPLL_FBKSEL BIT(10)
360 #define RG_GSWPLL_BP BIT(9)
361 #define RG_GSWPLL_BR BIT(8)
362 #define RG_GSWPLL_FBKDIV_200M(x) ((x) & 0xff)
364 #define CORE_GSWPLL_GRP2 0x40e
365 #define RG_GSWPLL_POSDIV_500M(x) (((x) & 0x3) << 8)
366 #define RG_GSWPLL_FBKDIV_500M(x) ((x) & 0xff)
368 #define CORE_TRGMII_GSW_CLK_CG 0x410
369 #define REG_GSWCK_EN BIT(0)
370 #define REG_TRGMIICK_EN BIT(1)
372 #define MIB_DESC(_s, _o, _n) \
379 struct mt7530_mib_desc {
393 /* struct mt7530_port - This is the main data structure for holding the state
395 * @enable: The status used for show port is enabled or not.
396 * @pm: The matrix used to show all connections with the port.
397 * @pvid: The VLAN specified is to be considered a PVID at ingress. Any
398 * untagged frames will be assigned to the related VLAN.
399 * @vlan_filtering: The flags indicating whether the port that can recognize
400 * VLAN-tagged frames.
408 /* Port 5 interface select definitions */
409 enum p5_interface_select {
416 static const char *p5_intf_modes(unsigned int p5_interface)
418 switch (p5_interface) {
421 case P5_INTF_SEL_PHY_P0:
423 case P5_INTF_SEL_PHY_P4:
425 case P5_INTF_SEL_GMAC5:
432 /* struct mt7530_priv - This is the main data structure for holding the state
434 * @dev: The device pointer
435 * @ds: The pointer to the dsa core structure
436 * @bus: The bus used for the device and built-in PHY
437 * @rstc: The pointer to reset control used by MCM
438 * @core_pwr: The power supplied into the core
439 * @io_pwr: The power supplied into the I/O
440 * @reset: The descriptor for GPIO line tied to its reset pin
441 * @mcm: Flag for distinguishing if standalone IC or module
443 * @ports: Holding the state among ports
444 * @reg_mutex: The lock for protecting among process accessing
446 * @p6_interface Holding the current port 6 interface
447 * @p5_intf_sel: Holding the current port 5 interface select
451 struct dsa_switch *ds;
453 struct reset_control *rstc;
454 struct regulator *core_pwr;
455 struct regulator *io_pwr;
456 struct gpio_desc *reset;
459 phy_interface_t p6_interface;
460 phy_interface_t p5_interface;
461 unsigned int p5_intf_sel;
465 struct mt7530_port ports[MT7530_NUM_PORTS];
466 /* protect among processes for registers access*/
467 struct mutex reg_mutex;
470 struct mt7530_hw_vlan_entry {
476 static inline void mt7530_hw_vlan_entry_init(struct mt7530_hw_vlan_entry *e,
477 int port, bool untagged)
480 e->untagged = untagged;
483 typedef void (*mt7530_vlan_op)(struct mt7530_priv *,
484 struct mt7530_hw_vlan_entry *);
486 struct mt7530_hw_stats {
492 struct mt7530_dummy_poll {
493 struct mt7530_priv *priv;
497 static inline void INIT_MT7530_DUMMY_POLL(struct mt7530_dummy_poll *p,
498 struct mt7530_priv *priv, u32 reg)
504 #endif /* __MT7530_H */