xref: /linux/drivers/net/ethernet/stmicro/stmmac/dwmac4.h (revision 1fd1dc41724319406b0aff221a352a400b0ddfc5)
1 /* SPDX-License-Identifier: GPL-2.0-only */
2 /*
3  * DWMAC4 Header file.
4  *
5  * Copyright (C) 2015  STMicroelectronics Ltd
6  *
7  * Author: Alexandre Torgue <alexandre.torgue@st.com>
8  */
9 
10 #ifndef __DWMAC4_H__
11 #define __DWMAC4_H__
12 
13 #include "common.h"
14 
15 /*  MAC registers */
16 #define GMAC_CONFIG			0x00000000
17 #define GMAC_EXT_CONFIG			0x00000004
18 #define GMAC_PACKET_FILTER		0x00000008
19 #define GMAC_HASH_TAB(x)		(0x10 + (x) * 4)
20 #define GMAC_RX_FLOW_CTRL		0x00000090
21 #define GMAC_QX_TX_FLOW_CTRL(x)		(0x70 + x * 4)
22 #define GMAC_TXQ_PRTY_MAP0		0x98
23 #define GMAC_TXQ_PRTY_MAP1		0x9C
24 #define GMAC_RXQ_CTRL0			0x000000a0
25 #define GMAC_RXQ_CTRL1			0x000000a4
26 #define GMAC_RXQ_CTRL2			0x000000a8
27 #define GMAC_RXQ_CTRL3			0x000000ac
28 #define GMAC_INT_STATUS			0x000000b0
29 #define GMAC_INT_EN			0x000000b4
30 #define GMAC_PCS_BASE			0x000000e0
31 #define GMAC_PHYIF_CONTROL_STATUS	0x000000f8
32 #define GMAC_PMT			0x000000c0
33 #define GMAC_DEBUG			0x00000114
34 #define GMAC_HW_FEATURE0		0x0000011c
35 #define GMAC_HW_FEATURE1		0x00000120
36 #define GMAC_HW_FEATURE2		0x00000124
37 #define GMAC_HW_FEATURE3		0x00000128
38 #define GMAC_MDIO_ADDR			0x00000200
39 #define GMAC_MDIO_DATA			0x00000204
40 #define GMAC_GPIO_STATUS		0x0000020C
41 #define GMAC_ARP_ADDR			0x00000210
42 #define GMAC_EXT_CFG1			0x00000238
43 #define GMAC_ADDR_HIGH(reg)		(0x300 + reg * 8)
44 #define GMAC_ADDR_LOW(reg)		(0x304 + reg * 8)
45 #define GMAC_L3L4_CTRL(reg)		(0x900 + (reg) * 0x30)
46 #define GMAC_L4_ADDR(reg)		(0x904 + (reg) * 0x30)
47 #define GMAC_L3_ADDR0(reg)		(0x910 + (reg) * 0x30)
48 #define GMAC_L3_ADDR1(reg)		(0x914 + (reg) * 0x30)
49 #define GMAC_TIMESTAMP_STATUS		0x00000b20
50 
51 /* RX Queues Routing */
52 #define GMAC_RXQCTRL_AVCPQ_MASK		GENMASK(2, 0)
53 #define GMAC_RXQCTRL_AVCPQ_SHIFT	0
54 #define GMAC_RXQCTRL_PTPQ_MASK		GENMASK(6, 4)
55 #define GMAC_RXQCTRL_PTPQ_SHIFT		4
56 #define GMAC_RXQCTRL_DCBCPQ_MASK	GENMASK(10, 8)
57 #define GMAC_RXQCTRL_DCBCPQ_SHIFT	8
58 #define GMAC_RXQCTRL_UPQ_MASK		GENMASK(14, 12)
59 #define GMAC_RXQCTRL_UPQ_SHIFT		12
60 #define GMAC_RXQCTRL_MCBCQ_MASK		GENMASK(18, 16)
61 #define GMAC_RXQCTRL_MCBCQ_SHIFT	16
62 #define GMAC_RXQCTRL_MCBCQEN		BIT(20)
63 #define GMAC_RXQCTRL_MCBCQEN_SHIFT	20
64 #define GMAC_RXQCTRL_TACPQE		BIT(21)
65 #define GMAC_RXQCTRL_TACPQE_SHIFT	21
66 #define GMAC_RXQCTRL_FPRQ		GENMASK(26, 24)
67 
68 /* MAC Packet Filtering */
69 #define GMAC_PACKET_FILTER_PR		BIT(0)
70 #define GMAC_PACKET_FILTER_HMC		BIT(2)
71 #define GMAC_PACKET_FILTER_PM		BIT(4)
72 #define GMAC_PACKET_FILTER_PCF		BIT(7)
73 #define GMAC_PACKET_FILTER_HPF		BIT(10)
74 #define GMAC_PACKET_FILTER_VTFE		BIT(16)
75 #define GMAC_PACKET_FILTER_IPFE		BIT(20)
76 #define GMAC_PACKET_FILTER_RA		BIT(31)
77 
78 #define GMAC_MAX_PERFECT_ADDRESSES	128
79 
80 /* MAC RX Queue Enable */
81 #define GMAC_RX_QUEUE_CLEAR(queue)	~(GENMASK(1, 0) << ((queue) * 2))
82 #define GMAC_RX_AV_QUEUE_ENABLE(queue)	BIT((queue) * 2)
83 #define GMAC_RX_DCB_QUEUE_ENABLE(queue)	BIT(((queue) * 2) + 1)
84 
85 /* MAC Flow Control RX */
86 #define GMAC_RX_FLOW_CTRL_RFE		BIT(0)
87 
88 /* RX Queues Priorities */
89 #define GMAC_RXQCTRL_PSRQX_MASK(x)	GENMASK(7 + ((x) * 8), 0 + ((x) * 8))
90 #define GMAC_RXQCTRL_PSRQX_SHIFT(x)	((x) * 8)
91 
92 /* TX Queues Priorities */
93 #define GMAC_TXQCTRL_PSTQX_MASK(x)	GENMASK(7 + ((x) * 8), 0 + ((x) * 8))
94 #define GMAC_TXQCTRL_PSTQX_SHIFT(x)	((x) * 8)
95 
96 /* MAC Flow Control TX */
97 #define GMAC_TX_FLOW_CTRL_TFE		BIT(1)
98 #define GMAC_TX_FLOW_CTRL_PT_MASK	GENMASK(31, 16)
99 
100 /*  MAC Interrupt bitmap*/
101 #define GMAC_INT_RGSMIIS		BIT(0)
102 #define GMAC_INT_PCS_LINK		BIT(1)
103 #define GMAC_INT_PCS_ANE		BIT(2)
104 #define GMAC_INT_PCS_PHYIS		BIT(3)
105 #define GMAC_INT_PMT_EN			BIT(4)
106 #define GMAC_INT_LPI_EN			BIT(5)
107 #define GMAC_INT_TSIE			BIT(12)
108 
109 #define	GMAC_INT_DEFAULT_ENABLE	(GMAC_INT_PMT_EN | GMAC_INT_LPI_EN | \
110 				 GMAC_INT_TSIE)
111 
112 enum dwmac4_irq_status {
113 	time_stamp_irq = 0x00001000,
114 	mmc_rx_csum_offload_irq = 0x00000800,
115 	mmc_tx_irq = 0x00000400,
116 	mmc_rx_irq = 0x00000200,
117 	mmc_irq = 0x00000100,
118 	lpi_irq = 0x00000020,
119 	pmt_irq = 0x00000010,
120 };
121 
122 /* MAC PMT bitmap */
123 enum power_event {
124 	pointer_reset =	0x80000000,
125 	global_unicast = 0x00000200,
126 	wake_up_rx_frame = 0x00000040,
127 	magic_frame = 0x00000020,
128 	wake_up_frame_en = 0x00000004,
129 	magic_pkt_en = 0x00000002,
130 	power_down = 0x00000001,
131 };
132 
133 /* Energy Efficient Ethernet (EEE) for GMAC4
134  *
135  * LPI status, timer and control register offset
136  * For LPI control and status bit definitions, see common.h.
137  */
138 #define GMAC4_LPI_CTRL_STATUS	0xd0
139 #define GMAC4_LPI_TIMER_CTRL	0xd4
140 #define GMAC4_LPI_ENTRY_TIMER	0xd8
141 #define GMAC4_MAC_ONEUS_TIC_COUNTER	0xdc
142 
143 /* MAC Debug bitmap */
144 #define GMAC_DEBUG_TFCSTS_MASK		GENMASK(18, 17)
145 #define GMAC_DEBUG_TFCSTS_IDLE		0
146 #define GMAC_DEBUG_TFCSTS_WAIT		1
147 #define GMAC_DEBUG_TFCSTS_GEN_PAUSE	2
148 #define GMAC_DEBUG_TFCSTS_XFER		3
149 #define GMAC_DEBUG_TPESTS		BIT(16)
150 #define GMAC_DEBUG_RFCFCSTS_MASK	GENMASK(2, 1)
151 #define GMAC_DEBUG_RPESTS		BIT(0)
152 
153 /* MAC config */
154 #define GMAC_CONFIG_ARPEN		BIT(31)
155 #define GMAC_CONFIG_SARC		GENMASK(30, 28)
156 #define GMAC_CONFIG_IPC			BIT(27)
157 #define GMAC_CONFIG_IPG			GENMASK(26, 24)
158 #define GMAC_CONFIG_2K			BIT(22)
159 #define GMAC_CONFIG_ACS			BIT(20)
160 #define GMAC_CONFIG_BE			BIT(18)
161 #define GMAC_CONFIG_JD			BIT(17)
162 #define GMAC_CONFIG_JE			BIT(16)
163 #define GMAC_CONFIG_PS			BIT(15)
164 #define GMAC_CONFIG_FES			BIT(14)
165 #define GMAC_CONFIG_DM			BIT(13)
166 #define GMAC_CONFIG_LM			BIT(12)
167 #define GMAC_CONFIG_DCRS		BIT(9)
168 #define GMAC_CONFIG_TE			BIT(1)
169 #define GMAC_CONFIG_RE			BIT(0)
170 
171 /* MAC extended config */
172 #define GMAC_CONFIG_EIPG		GENMASK(29, 25)
173 #define GMAC_CONFIG_EIPG_EN		BIT(24)
174 #define GMAC_CONFIG_HDSMS		GENMASK(22, 20)
175 #define GMAC_CONFIG_HDSMS_256		FIELD_PREP_CONST(GMAC_CONFIG_HDSMS, 0x2)
176 
177 /* MAC HW features0 bitmap */
178 #define GMAC_HW_FEAT_SAVLANINS		BIT(27)
179 #define GMAC_HW_FEAT_ADDMAC		BIT(18)
180 #define GMAC_HW_FEAT_RXCOESEL		BIT(16)
181 #define GMAC_HW_FEAT_TXCOSEL		BIT(14)
182 #define GMAC_HW_FEAT_EEESEL		BIT(13)
183 #define GMAC_HW_FEAT_TSSEL		BIT(12)
184 #define GMAC_HW_FEAT_ARPOFFSEL		BIT(9)
185 #define GMAC_HW_FEAT_MMCSEL		BIT(8)
186 #define GMAC_HW_FEAT_MGKSEL		BIT(7)
187 #define GMAC_HW_FEAT_RWKSEL		BIT(6)
188 #define GMAC_HW_FEAT_SMASEL		BIT(5)
189 #define GMAC_HW_FEAT_VLHASH		BIT(4)
190 #define GMAC_HW_FEAT_PCSSEL		BIT(3)
191 #define GMAC_HW_FEAT_HDSEL		BIT(2)
192 #define GMAC_HW_FEAT_GMIISEL		BIT(1)
193 #define GMAC_HW_FEAT_MIISEL		BIT(0)
194 
195 /* MAC HW features1 bitmap */
196 #define GMAC_HW_FEAT_L3L4FNUM		GENMASK(30, 27)
197 #define GMAC_HW_HASH_TB_SZ		GENMASK(25, 24)
198 #define GMAC_HW_FEAT_AVSEL		BIT(20)
199 #define GMAC_HW_TSOEN			BIT(18)
200 #define GMAC_HW_FEAT_SPHEN		BIT(17)
201 #define GMAC_HW_ADDR64			GENMASK(15, 14)
202 #define GMAC_HW_TXFIFOSIZE		GENMASK(10, 6)
203 #define GMAC_HW_RXFIFOSIZE		GENMASK(4, 0)
204 
205 /* MAC HW features2 bitmap */
206 #define GMAC_HW_FEAT_AUXSNAPNUM		GENMASK(30, 28)
207 #define GMAC_HW_FEAT_PPSOUTNUM		GENMASK(26, 24)
208 #define GMAC_HW_FEAT_TXCHCNT		GENMASK(21, 18)
209 #define GMAC_HW_FEAT_RXCHCNT		GENMASK(15, 12)
210 #define GMAC_HW_FEAT_TXQCNT		GENMASK(9, 6)
211 #define GMAC_HW_FEAT_RXQCNT		GENMASK(3, 0)
212 
213 /* MAC HW features3 bitmap */
214 #define GMAC_HW_FEAT_ASP		GENMASK(29, 28)
215 #define GMAC_HW_FEAT_TBSSEL		BIT(27)
216 #define GMAC_HW_FEAT_FPESEL		BIT(26)
217 #define GMAC_HW_FEAT_ESTWID		GENMASK(21, 20)
218 #define GMAC_HW_FEAT_ESTDEP		GENMASK(19, 17)
219 #define GMAC_HW_FEAT_ESTSEL		BIT(16)
220 #define GMAC_HW_FEAT_FRPES		GENMASK(14, 13)
221 #define GMAC_HW_FEAT_FRPBS		GENMASK(12, 11)
222 #define GMAC_HW_FEAT_FRPSEL		BIT(10)
223 #define GMAC_HW_FEAT_DVLAN		BIT(5)
224 #define GMAC_HW_FEAT_NRVF		GENMASK(2, 0)
225 
226 /* MAC extended config 1 */
227 #define GMAC_CONFIG1_SAVE_EN		BIT(24)
228 #define GMAC_CONFIG1_SPLM(v)		FIELD_PREP(GENMASK(9, 8), v)
229 
230 /* GMAC GPIO Status reg */
231 #define GMAC_GPO0			BIT(16)
232 #define GMAC_GPO1			BIT(17)
233 #define GMAC_GPO2			BIT(18)
234 #define GMAC_GPO3			BIT(19)
235 
236 /* MAC HW ADDR regs */
237 #define GMAC_HI_DCS			GENMASK(18, 16)
238 #define GMAC_HI_REG_AE			BIT(31)
239 
240 /* L3/L4 Filters regs */
241 #define GMAC_L4DPIM0			BIT(21)
242 #define GMAC_L4DPM0			BIT(20)
243 #define GMAC_L4SPIM0			BIT(19)
244 #define GMAC_L4SPM0			BIT(18)
245 #define GMAC_L4PEN0			BIT(16)
246 #define GMAC_L3DAIM0			BIT(5)
247 #define GMAC_L3DAM0			BIT(4)
248 #define GMAC_L3SAIM0			BIT(3)
249 #define GMAC_L3SAM0			BIT(2)
250 #define GMAC_L3PEN0			BIT(0)
251 #define GMAC_L4DP0			GENMASK(31, 16)
252 #define GMAC_L4SP0			GENMASK(15, 0)
253 
254 /* MAC Timestamp Status */
255 #define GMAC_TIMESTAMP_AUXTSTRIG	BIT(2)
256 #define GMAC_TIMESTAMP_ATSNS_MASK	GENMASK(29, 25)
257 #define GMAC_TIMESTAMP_ATSNS_SHIFT	25
258 
259 /*  MTL registers */
260 #define MTL_OPERATION_MODE		0x00000c00
261 #define MTL_FRPE			BIT(15)
262 #define MTL_OPERATION_SCHALG_MASK	GENMASK(6, 5)
263 #define MTL_OPERATION_SCHALG_WRR	(0x0 << 5)
264 #define MTL_OPERATION_SCHALG_WFQ	(0x1 << 5)
265 #define MTL_OPERATION_SCHALG_DWRR	(0x2 << 5)
266 #define MTL_OPERATION_SCHALG_SP		(0x3 << 5)
267 #define MTL_OPERATION_RAA		BIT(2)
268 #define MTL_OPERATION_RAA_SP		(0x0 << 2)
269 #define MTL_OPERATION_RAA_WSP		(0x1 << 2)
270 
271 #define MTL_INT_STATUS			0x00000c20
272 #define MTL_INT_QX(x)			BIT(x)
273 
274 #define MTL_RXQ_DMA_MAP0		0x00000c30 /* queue 0 to 3 */
275 #define MTL_RXQ_DMA_MAP1		0x00000c34 /* queue 4 to 7 */
276 #define MTL_RXQ_DMA_QXMDMACH_MASK(x)	(0xf << 8 * (x))
277 #define MTL_RXQ_DMA_QXMDMACH(chan, q)	((chan) << (8 * (q)))
278 
279 #define MTL_CHAN_BASE_ADDR		0x00000d00
280 #define MTL_CHAN_BASE_OFFSET		0x40
281 
282 static inline u32 mtl_chanx_base_addr(const struct dwmac4_addrs *addrs,
283 				      const u32 x)
284 {
285 	u32 addr;
286 
287 	if (addrs)
288 		addr = addrs->mtl_chan + (x * addrs->mtl_chan_offset);
289 	else
290 		addr = MTL_CHAN_BASE_ADDR + (x * MTL_CHAN_BASE_OFFSET);
291 
292 	return addr;
293 }
294 
295 #define MTL_CHAN_TX_OP_MODE(addrs, x)	mtl_chanx_base_addr(addrs, x)
296 #define MTL_CHAN_TX_DEBUG(addrs, x)	(mtl_chanx_base_addr(addrs, x) + 0x8)
297 #define MTL_CHAN_INT_CTRL(addrs, x)	(mtl_chanx_base_addr(addrs, x) + 0x2c)
298 #define MTL_CHAN_RX_OP_MODE(addrs, x)	(mtl_chanx_base_addr(addrs, x) + 0x30)
299 #define MTL_CHAN_RX_DEBUG(addrs, x)	(mtl_chanx_base_addr(addrs, x) + 0x38)
300 
301 #define MTL_OP_MODE_RSF			BIT(5)
302 #define MTL_OP_MODE_TXQEN_MASK		GENMASK(3, 2)
303 #define MTL_OP_MODE_TXQEN_AV		BIT(2)
304 #define MTL_OP_MODE_TXQEN		BIT(3)
305 #define MTL_OP_MODE_TSF			BIT(1)
306 
307 #define MTL_OP_MODE_TQS_MASK		GENMASK(24, 16)
308 
309 #define MTL_OP_MODE_TTC_MASK		GENMASK(6, 4)
310 #define MTL_OP_MODE_TTC_32		FIELD_PREP(MTL_OP_MODE_TTC_MASK, 0)
311 #define MTL_OP_MODE_TTC_64		FIELD_PREP(MTL_OP_MODE_TTC_MASK, 1)
312 #define MTL_OP_MODE_TTC_96		FIELD_PREP(MTL_OP_MODE_TTC_MASK, 2)
313 #define MTL_OP_MODE_TTC_128		FIELD_PREP(MTL_OP_MODE_TTC_MASK, 3)
314 #define MTL_OP_MODE_TTC_192		FIELD_PREP(MTL_OP_MODE_TTC_MASK, 4)
315 #define MTL_OP_MODE_TTC_256		FIELD_PREP(MTL_OP_MODE_TTC_MASK, 5)
316 #define MTL_OP_MODE_TTC_384		FIELD_PREP(MTL_OP_MODE_TTC_MASK, 6)
317 #define MTL_OP_MODE_TTC_512		FIELD_PREP(MTL_OP_MODE_TTC_MASK, 7)
318 
319 #define MTL_OP_MODE_RQS_MASK		GENMASK(29, 20)
320 
321 #define MTL_OP_MODE_RFD_MASK		GENMASK(19, 14)
322 
323 #define MTL_OP_MODE_RFA_MASK		GENMASK(13, 8)
324 
325 #define MTL_OP_MODE_EHFC		BIT(7)
326 #define MTL_OP_MODE_DIS_TCP_EF		BIT(6)
327 
328 #define MTL_OP_MODE_RTC_MASK		GENMASK(1, 0)
329 
330 #define MTL_OP_MODE_RTC_32		FIELD_PREP(MTL_OP_MODE_RTC_MASK, 1)
331 #define MTL_OP_MODE_RTC_64		FIELD_PREP(MTL_OP_MODE_RTC_MASK, 0)
332 #define MTL_OP_MODE_RTC_96		FIELD_PREP(MTL_OP_MODE_RTC_MASK, 2)
333 #define MTL_OP_MODE_RTC_128		FIELD_PREP(MTL_OP_MODE_RTC_MASK, 3)
334 
335 /* MTL ETS Control register */
336 #define MTL_ETS_CTRL_BASE_ADDR		0x00000d10
337 #define MTL_ETS_CTRL_BASE_OFFSET	0x40
338 
339 static inline u32 mtl_etsx_ctrl_base_addr(const struct dwmac4_addrs *addrs,
340 					  const u32 x)
341 {
342 	u32 addr;
343 
344 	if (addrs)
345 		addr = addrs->mtl_ets_ctrl + (x * addrs->mtl_ets_ctrl_offset);
346 	else
347 		addr = MTL_ETS_CTRL_BASE_ADDR + (x * MTL_ETS_CTRL_BASE_OFFSET);
348 
349 	return addr;
350 }
351 
352 #define MTL_ETS_CTRL_CC			BIT(3)
353 #define MTL_ETS_CTRL_AVALG		BIT(2)
354 
355 /* MTL Queue Quantum Weight */
356 #define MTL_TXQ_WEIGHT_BASE_ADDR	0x00000d18
357 #define MTL_TXQ_WEIGHT_BASE_OFFSET	0x40
358 
359 static inline u32 mtl_txqx_weight_base_addr(const struct dwmac4_addrs *addrs,
360 					    const u32 x)
361 {
362 	u32 addr;
363 
364 	if (addrs)
365 		addr = addrs->mtl_txq_weight + (x * addrs->mtl_txq_weight_offset);
366 	else
367 		addr = MTL_TXQ_WEIGHT_BASE_ADDR + (x * MTL_TXQ_WEIGHT_BASE_OFFSET);
368 
369 	return addr;
370 }
371 
372 #define MTL_TXQ_WEIGHT_ISCQW_MASK	GENMASK(20, 0)
373 
374 /* MTL sendSlopeCredit register */
375 #define MTL_SEND_SLP_CRED_BASE_ADDR	0x00000d1c
376 #define MTL_SEND_SLP_CRED_OFFSET	0x40
377 
378 static inline u32 mtl_send_slp_credx_base_addr(const struct dwmac4_addrs *addrs,
379 					       const u32 x)
380 {
381 	u32 addr;
382 
383 	if (addrs)
384 		addr = addrs->mtl_send_slp_cred + (x * addrs->mtl_send_slp_cred_offset);
385 	else
386 		addr = MTL_SEND_SLP_CRED_BASE_ADDR + (x * MTL_SEND_SLP_CRED_OFFSET);
387 
388 	return addr;
389 }
390 
391 #define MTL_SEND_SLP_CRED_SSC_MASK	GENMASK(13, 0)
392 
393 /* MTL hiCredit register */
394 #define MTL_HIGH_CRED_BASE_ADDR		0x00000d20
395 #define MTL_HIGH_CRED_OFFSET		0x40
396 
397 static inline u32 mtl_high_credx_base_addr(const struct dwmac4_addrs *addrs,
398 					   const u32 x)
399 {
400 	u32 addr;
401 
402 	if (addrs)
403 		addr = addrs->mtl_high_cred + (x * addrs->mtl_high_cred_offset);
404 	else
405 		addr = MTL_HIGH_CRED_BASE_ADDR + (x * MTL_HIGH_CRED_OFFSET);
406 
407 	return addr;
408 }
409 
410 #define MTL_HIGH_CRED_HC_MASK		GENMASK(28, 0)
411 
412 /* MTL loCredit register */
413 #define MTL_LOW_CRED_BASE_ADDR		0x00000d24
414 #define MTL_LOW_CRED_OFFSET		0x40
415 
416 static inline u32 mtl_low_credx_base_addr(const struct dwmac4_addrs *addrs,
417 					  const u32 x)
418 {
419 	u32 addr;
420 
421 	if (addrs)
422 		addr = addrs->mtl_low_cred + (x * addrs->mtl_low_cred_offset);
423 	else
424 		addr = MTL_LOW_CRED_BASE_ADDR + (x * MTL_LOW_CRED_OFFSET);
425 
426 	return addr;
427 }
428 
429 #define MTL_HIGH_CRED_LC_MASK		GENMASK(28, 0)
430 
431 /*  MTL debug */
432 #define MTL_DEBUG_TXSTSFSTS		BIT(5)
433 #define MTL_DEBUG_TXFSTS		BIT(4)
434 #define MTL_DEBUG_TWCSTS		BIT(3)
435 
436 /* MTL debug: Tx FIFO Read Controller Status */
437 #define MTL_DEBUG_TRCSTS_MASK		GENMASK(2, 1)
438 #define MTL_DEBUG_TRCSTS_IDLE		0
439 #define MTL_DEBUG_TRCSTS_READ		1
440 #define MTL_DEBUG_TRCSTS_TXW		2
441 #define MTL_DEBUG_TRCSTS_WRITE		3
442 #define MTL_DEBUG_TXPAUSED		BIT(0)
443 
444 /* MAC debug: GMII or MII Transmit Protocol Engine Status */
445 #define MTL_DEBUG_RXFSTS_MASK		GENMASK(5, 4)
446 #define MTL_DEBUG_RXFSTS_EMPTY		0
447 #define MTL_DEBUG_RXFSTS_BT		1
448 #define MTL_DEBUG_RXFSTS_AT		2
449 #define MTL_DEBUG_RXFSTS_FULL		3
450 #define MTL_DEBUG_RRCSTS_MASK		GENMASK(2, 1)
451 #define MTL_DEBUG_RRCSTS_IDLE		0
452 #define MTL_DEBUG_RRCSTS_RDATA		1
453 #define MTL_DEBUG_RRCSTS_RSTAT		2
454 #define MTL_DEBUG_RRCSTS_FLUSH		3
455 #define MTL_DEBUG_RWCSTS		BIT(0)
456 
457 /*  MTL interrupt */
458 #define MTL_RX_OVERFLOW_INT_EN		BIT(24)
459 #define MTL_RX_OVERFLOW_INT		BIT(16)
460 
461 /* Default operating mode of the MAC */
462 #define GMAC_CORE_INIT (GMAC_CONFIG_JD | GMAC_CONFIG_PS | \
463 			GMAC_CONFIG_BE | GMAC_CONFIG_DCRS | \
464 			GMAC_CONFIG_JE)
465 
466 /* To dump the core regs excluding  the Address Registers */
467 #define	GMAC_REG_NUM	132
468 
469 /* SGMII/RGMII status register */
470 #define GMAC_PHYIF_CTRLSTATUS_TC		BIT(0)
471 #define GMAC_PHYIF_CTRLSTATUS_LUD		BIT(1)
472 #define GMAC_PHYIF_CTRLSTATUS_SMIDRXS		BIT(4)
473 #define GMAC_PHYIF_CTRLSTATUS_LNKMOD		BIT(16)
474 #define GMAC_PHYIF_CTRLSTATUS_SPEED		GENMASK(18, 17)
475 #define GMAC_PHYIF_CTRLSTATUS_LNKSTS		BIT(19)
476 #define GMAC_PHYIF_CTRLSTATUS_JABTO		BIT(20)
477 #define GMAC_PHYIF_CTRLSTATUS_FALSECARDET	BIT(21)
478 /* LNKSPEED */
479 #define GMAC_PHYIF_CTRLSTATUS_SPEED_125		0x2
480 #define GMAC_PHYIF_CTRLSTATUS_SPEED_25		0x1
481 #define GMAC_PHYIF_CTRLSTATUS_SPEED_2_5		0x0
482 
483 extern const struct stmmac_dma_ops dwmac4_dma_ops;
484 extern const struct stmmac_dma_ops dwmac410_dma_ops;
485 #endif /* __DWMAC4_H__ */
486