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_VLAN_TAG			0x00000050
21 #define GMAC_VLAN_TAG_DATA		0x00000054
22 #define GMAC_VLAN_HASH_TABLE		0x00000058
23 #define GMAC_RX_FLOW_CTRL		0x00000090
24 #define GMAC_VLAN_INCL			0x00000060
25 #define GMAC_QX_TX_FLOW_CTRL(x)		(0x70 + x * 4)
26 #define GMAC_TXQ_PRTY_MAP0		0x98
27 #define GMAC_TXQ_PRTY_MAP1		0x9C
28 #define GMAC_RXQ_CTRL0			0x000000a0
29 #define GMAC_RXQ_CTRL1			0x000000a4
30 #define GMAC_RXQ_CTRL2			0x000000a8
31 #define GMAC_RXQ_CTRL3			0x000000ac
32 #define GMAC_INT_STATUS			0x000000b0
33 #define GMAC_INT_EN			0x000000b4
34 #define GMAC_1US_TIC_COUNTER		0x000000dc
35 #define GMAC_PCS_BASE			0x000000e0
36 #define GMAC_PHYIF_CONTROL_STATUS	0x000000f8
37 #define GMAC_PMT			0x000000c0
38 #define GMAC_DEBUG			0x00000114
39 #define GMAC_HW_FEATURE0		0x0000011c
40 #define GMAC_HW_FEATURE1		0x00000120
41 #define GMAC_HW_FEATURE2		0x00000124
42 #define GMAC_HW_FEATURE3		0x00000128
43 #define GMAC_MDIO_ADDR			0x00000200
44 #define GMAC_MDIO_DATA			0x00000204
45 #define GMAC_GPIO_STATUS		0x0000020C
46 #define GMAC_ARP_ADDR			0x00000210
47 #define GMAC_ADDR_HIGH(reg)		(0x300 + reg * 8)
48 #define GMAC_ADDR_LOW(reg)		(0x304 + reg * 8)
49 #define GMAC_L3L4_CTRL(reg)		(0x900 + (reg) * 0x30)
50 #define GMAC_L4_ADDR(reg)		(0x904 + (reg) * 0x30)
51 #define GMAC_L3_ADDR0(reg)		(0x910 + (reg) * 0x30)
52 #define GMAC_L3_ADDR1(reg)		(0x914 + (reg) * 0x30)
53 #define GMAC_TIMESTAMP_STATUS		0x00000b20
54 
55 /* RX Queues Routing */
56 #define GMAC_RXQCTRL_AVCPQ_MASK		GENMASK(2, 0)
57 #define GMAC_RXQCTRL_AVCPQ_SHIFT	0
58 #define GMAC_RXQCTRL_PTPQ_MASK		GENMASK(6, 4)
59 #define GMAC_RXQCTRL_PTPQ_SHIFT		4
60 #define GMAC_RXQCTRL_DCBCPQ_MASK	GENMASK(10, 8)
61 #define GMAC_RXQCTRL_DCBCPQ_SHIFT	8
62 #define GMAC_RXQCTRL_UPQ_MASK		GENMASK(14, 12)
63 #define GMAC_RXQCTRL_UPQ_SHIFT		12
64 #define GMAC_RXQCTRL_MCBCQ_MASK		GENMASK(18, 16)
65 #define GMAC_RXQCTRL_MCBCQ_SHIFT	16
66 #define GMAC_RXQCTRL_MCBCQEN		BIT(20)
67 #define GMAC_RXQCTRL_MCBCQEN_SHIFT	20
68 #define GMAC_RXQCTRL_TACPQE		BIT(21)
69 #define GMAC_RXQCTRL_TACPQE_SHIFT	21
70 #define GMAC_RXQCTRL_FPRQ		GENMASK(26, 24)
71 #define GMAC_RXQCTRL_FPRQ_SHIFT		24
72 
73 /* MAC Packet Filtering */
74 #define GMAC_PACKET_FILTER_PR		BIT(0)
75 #define GMAC_PACKET_FILTER_HMC		BIT(2)
76 #define GMAC_PACKET_FILTER_PM		BIT(4)
77 #define GMAC_PACKET_FILTER_PCF		BIT(7)
78 #define GMAC_PACKET_FILTER_HPF		BIT(10)
79 #define GMAC_PACKET_FILTER_VTFE		BIT(16)
80 #define GMAC_PACKET_FILTER_IPFE		BIT(20)
81 #define GMAC_PACKET_FILTER_RA		BIT(31)
82 
83 #define GMAC_MAX_PERFECT_ADDRESSES	128
84 
85 /* MAC VLAN */
86 #define GMAC_VLAN_EDVLP			BIT(26)
87 #define GMAC_VLAN_VTHM			BIT(25)
88 #define GMAC_VLAN_DOVLTC		BIT(20)
89 #define GMAC_VLAN_ESVL			BIT(18)
90 #define GMAC_VLAN_ETV			BIT(16)
91 #define GMAC_VLAN_VID			GENMASK(15, 0)
92 #define GMAC_VLAN_VLTI			BIT(20)
93 #define GMAC_VLAN_CSVL			BIT(19)
94 #define GMAC_VLAN_VLC			GENMASK(17, 16)
95 #define GMAC_VLAN_VLC_SHIFT		16
96 #define GMAC_VLAN_VLHT			GENMASK(15, 0)
97 
98 /* MAC VLAN Tag */
99 #define GMAC_VLAN_TAG_VID		GENMASK(15, 0)
100 #define GMAC_VLAN_TAG_ETV		BIT(16)
101 
102 /* MAC VLAN Tag Control */
103 #define GMAC_VLAN_TAG_CTRL_OB		BIT(0)
104 #define GMAC_VLAN_TAG_CTRL_CT		BIT(1)
105 #define GMAC_VLAN_TAG_CTRL_OFS_MASK	GENMASK(6, 2)
106 #define GMAC_VLAN_TAG_CTRL_OFS_SHIFT	2
107 #define GMAC_VLAN_TAG_CTRL_EVLS_MASK	GENMASK(22, 21)
108 #define GMAC_VLAN_TAG_CTRL_EVLS_SHIFT	21
109 #define GMAC_VLAN_TAG_CTRL_EVLRXS	BIT(24)
110 
111 #define GMAC_VLAN_TAG_STRIP_NONE	(0x0 << GMAC_VLAN_TAG_CTRL_EVLS_SHIFT)
112 #define GMAC_VLAN_TAG_STRIP_PASS	(0x1 << GMAC_VLAN_TAG_CTRL_EVLS_SHIFT)
113 #define GMAC_VLAN_TAG_STRIP_FAIL	(0x2 << GMAC_VLAN_TAG_CTRL_EVLS_SHIFT)
114 #define GMAC_VLAN_TAG_STRIP_ALL		(0x3 << GMAC_VLAN_TAG_CTRL_EVLS_SHIFT)
115 
116 /* MAC VLAN Tag Data/Filter */
117 #define GMAC_VLAN_TAG_DATA_VID		GENMASK(15, 0)
118 #define GMAC_VLAN_TAG_DATA_VEN		BIT(16)
119 #define GMAC_VLAN_TAG_DATA_ETV		BIT(17)
120 
121 /* MAC RX Queue Enable */
122 #define GMAC_RX_QUEUE_CLEAR(queue)	~(GENMASK(1, 0) << ((queue) * 2))
123 #define GMAC_RX_AV_QUEUE_ENABLE(queue)	BIT((queue) * 2)
124 #define GMAC_RX_DCB_QUEUE_ENABLE(queue)	BIT(((queue) * 2) + 1)
125 
126 /* MAC Flow Control RX */
127 #define GMAC_RX_FLOW_CTRL_RFE		BIT(0)
128 
129 /* RX Queues Priorities */
130 #define GMAC_RXQCTRL_PSRQX_MASK(x)	GENMASK(7 + ((x) * 8), 0 + ((x) * 8))
131 #define GMAC_RXQCTRL_PSRQX_SHIFT(x)	((x) * 8)
132 
133 /* TX Queues Priorities */
134 #define GMAC_TXQCTRL_PSTQX_MASK(x)	GENMASK(7 + ((x) * 8), 0 + ((x) * 8))
135 #define GMAC_TXQCTRL_PSTQX_SHIFT(x)	((x) * 8)
136 
137 /* MAC Flow Control TX */
138 #define GMAC_TX_FLOW_CTRL_TFE		BIT(1)
139 #define GMAC_TX_FLOW_CTRL_PT_SHIFT	16
140 
141 /*  MAC Interrupt bitmap*/
142 #define GMAC_INT_RGSMIIS		BIT(0)
143 #define GMAC_INT_PCS_LINK		BIT(1)
144 #define GMAC_INT_PCS_ANE		BIT(2)
145 #define GMAC_INT_PCS_PHYIS		BIT(3)
146 #define GMAC_INT_PMT_EN			BIT(4)
147 #define GMAC_INT_LPI_EN			BIT(5)
148 #define GMAC_INT_TSIE			BIT(12)
149 
150 #define	GMAC_PCS_IRQ_DEFAULT	(GMAC_INT_RGSMIIS | GMAC_INT_PCS_LINK |	\
151 				 GMAC_INT_PCS_ANE)
152 
153 #define	GMAC_INT_DEFAULT_ENABLE	(GMAC_INT_PMT_EN | GMAC_INT_LPI_EN | \
154 				 GMAC_INT_TSIE)
155 
156 enum dwmac4_irq_status {
157 	time_stamp_irq = 0x00001000,
158 	mmc_rx_csum_offload_irq = 0x00000800,
159 	mmc_tx_irq = 0x00000400,
160 	mmc_rx_irq = 0x00000200,
161 	mmc_irq = 0x00000100,
162 	lpi_irq = 0x00000020,
163 	pmt_irq = 0x00000010,
164 };
165 
166 /* MAC PMT bitmap */
167 enum power_event {
168 	pointer_reset =	0x80000000,
169 	global_unicast = 0x00000200,
170 	wake_up_rx_frame = 0x00000040,
171 	magic_frame = 0x00000020,
172 	wake_up_frame_en = 0x00000004,
173 	magic_pkt_en = 0x00000002,
174 	power_down = 0x00000001,
175 };
176 
177 /* Energy Efficient Ethernet (EEE) for GMAC4
178  *
179  * LPI status, timer and control register offset
180  */
181 #define GMAC4_LPI_CTRL_STATUS	0xd0
182 #define GMAC4_LPI_TIMER_CTRL	0xd4
183 #define GMAC4_LPI_ENTRY_TIMER	0xd8
184 #define GMAC4_MAC_ONEUS_TIC_COUNTER	0xdc
185 
186 /* LPI control and status defines */
187 #define GMAC4_LPI_CTRL_STATUS_LPITCSE	BIT(21)	/* LPI Tx Clock Stop Enable */
188 #define GMAC4_LPI_CTRL_STATUS_LPIATE	BIT(20) /* LPI Timer Enable */
189 #define GMAC4_LPI_CTRL_STATUS_LPITXA	BIT(19)	/* Enable LPI TX Automate */
190 #define GMAC4_LPI_CTRL_STATUS_PLS	BIT(17) /* PHY Link Status */
191 #define GMAC4_LPI_CTRL_STATUS_LPIEN	BIT(16)	/* LPI Enable */
192 #define GMAC4_LPI_CTRL_STATUS_RLPIEX	BIT(3) /* Receive LPI Exit */
193 #define GMAC4_LPI_CTRL_STATUS_RLPIEN	BIT(2) /* Receive LPI Entry */
194 #define GMAC4_LPI_CTRL_STATUS_TLPIEX	BIT(1) /* Transmit LPI Exit */
195 #define GMAC4_LPI_CTRL_STATUS_TLPIEN	BIT(0) /* Transmit LPI Entry */
196 
197 /* MAC Debug bitmap */
198 #define GMAC_DEBUG_TFCSTS_MASK		GENMASK(18, 17)
199 #define GMAC_DEBUG_TFCSTS_SHIFT		17
200 #define GMAC_DEBUG_TFCSTS_IDLE		0
201 #define GMAC_DEBUG_TFCSTS_WAIT		1
202 #define GMAC_DEBUG_TFCSTS_GEN_PAUSE	2
203 #define GMAC_DEBUG_TFCSTS_XFER		3
204 #define GMAC_DEBUG_TPESTS		BIT(16)
205 #define GMAC_DEBUG_RFCFCSTS_MASK	GENMASK(2, 1)
206 #define GMAC_DEBUG_RFCFCSTS_SHIFT	1
207 #define GMAC_DEBUG_RPESTS		BIT(0)
208 
209 /* MAC config */
210 #define GMAC_CONFIG_ARPEN		BIT(31)
211 #define GMAC_CONFIG_SARC		GENMASK(30, 28)
212 #define GMAC_CONFIG_SARC_SHIFT		28
213 #define GMAC_CONFIG_IPC			BIT(27)
214 #define GMAC_CONFIG_IPG			GENMASK(26, 24)
215 #define GMAC_CONFIG_IPG_SHIFT		24
216 #define GMAC_CONFIG_2K			BIT(22)
217 #define GMAC_CONFIG_ACS			BIT(20)
218 #define GMAC_CONFIG_BE			BIT(18)
219 #define GMAC_CONFIG_JD			BIT(17)
220 #define GMAC_CONFIG_JE			BIT(16)
221 #define GMAC_CONFIG_PS			BIT(15)
222 #define GMAC_CONFIG_FES			BIT(14)
223 #define GMAC_CONFIG_FES_SHIFT		14
224 #define GMAC_CONFIG_DM			BIT(13)
225 #define GMAC_CONFIG_LM			BIT(12)
226 #define GMAC_CONFIG_DCRS		BIT(9)
227 #define GMAC_CONFIG_TE			BIT(1)
228 #define GMAC_CONFIG_RE			BIT(0)
229 
230 /* MAC extended config */
231 #define GMAC_CONFIG_EIPG		GENMASK(29, 25)
232 #define GMAC_CONFIG_EIPG_SHIFT		25
233 #define GMAC_CONFIG_EIPG_EN		BIT(24)
234 #define GMAC_CONFIG_HDSMS		GENMASK(22, 20)
235 #define GMAC_CONFIG_HDSMS_SHIFT		20
236 #define GMAC_CONFIG_HDSMS_256		(0x2 << GMAC_CONFIG_HDSMS_SHIFT)
237 
238 /* MAC HW features0 bitmap */
239 #define GMAC_HW_FEAT_SAVLANINS		BIT(27)
240 #define GMAC_HW_FEAT_ADDMAC		BIT(18)
241 #define GMAC_HW_FEAT_RXCOESEL		BIT(16)
242 #define GMAC_HW_FEAT_TXCOSEL		BIT(14)
243 #define GMAC_HW_FEAT_EEESEL		BIT(13)
244 #define GMAC_HW_FEAT_TSSEL		BIT(12)
245 #define GMAC_HW_FEAT_ARPOFFSEL		BIT(9)
246 #define GMAC_HW_FEAT_MMCSEL		BIT(8)
247 #define GMAC_HW_FEAT_MGKSEL		BIT(7)
248 #define GMAC_HW_FEAT_RWKSEL		BIT(6)
249 #define GMAC_HW_FEAT_SMASEL		BIT(5)
250 #define GMAC_HW_FEAT_VLHASH		BIT(4)
251 #define GMAC_HW_FEAT_PCSSEL		BIT(3)
252 #define GMAC_HW_FEAT_HDSEL		BIT(2)
253 #define GMAC_HW_FEAT_GMIISEL		BIT(1)
254 #define GMAC_HW_FEAT_MIISEL		BIT(0)
255 
256 /* MAC HW features1 bitmap */
257 #define GMAC_HW_FEAT_L3L4FNUM		GENMASK(30, 27)
258 #define GMAC_HW_HASH_TB_SZ		GENMASK(25, 24)
259 #define GMAC_HW_FEAT_AVSEL		BIT(20)
260 #define GMAC_HW_TSOEN			BIT(18)
261 #define GMAC_HW_FEAT_SPHEN		BIT(17)
262 #define GMAC_HW_ADDR64			GENMASK(15, 14)
263 #define GMAC_HW_TXFIFOSIZE		GENMASK(10, 6)
264 #define GMAC_HW_RXFIFOSIZE		GENMASK(4, 0)
265 
266 /* MAC HW features2 bitmap */
267 #define GMAC_HW_FEAT_AUXSNAPNUM		GENMASK(30, 28)
268 #define GMAC_HW_FEAT_PPSOUTNUM		GENMASK(26, 24)
269 #define GMAC_HW_FEAT_TXCHCNT		GENMASK(21, 18)
270 #define GMAC_HW_FEAT_RXCHCNT		GENMASK(15, 12)
271 #define GMAC_HW_FEAT_TXQCNT		GENMASK(9, 6)
272 #define GMAC_HW_FEAT_RXQCNT		GENMASK(3, 0)
273 
274 /* MAC HW features3 bitmap */
275 #define GMAC_HW_FEAT_ASP		GENMASK(29, 28)
276 #define GMAC_HW_FEAT_TBSSEL		BIT(27)
277 #define GMAC_HW_FEAT_FPESEL		BIT(26)
278 #define GMAC_HW_FEAT_ESTWID		GENMASK(21, 20)
279 #define GMAC_HW_FEAT_ESTDEP		GENMASK(19, 17)
280 #define GMAC_HW_FEAT_ESTSEL		BIT(16)
281 #define GMAC_HW_FEAT_FRPES		GENMASK(14, 13)
282 #define GMAC_HW_FEAT_FRPBS		GENMASK(12, 11)
283 #define GMAC_HW_FEAT_FRPSEL		BIT(10)
284 #define GMAC_HW_FEAT_DVLAN		BIT(5)
285 #define GMAC_HW_FEAT_NRVF		GENMASK(2, 0)
286 
287 /* GMAC GPIO Status reg */
288 #define GMAC_GPO0			BIT(16)
289 #define GMAC_GPO1			BIT(17)
290 #define GMAC_GPO2			BIT(18)
291 #define GMAC_GPO3			BIT(19)
292 
293 /* MAC HW ADDR regs */
294 #define GMAC_HI_DCS			GENMASK(18, 16)
295 #define GMAC_HI_DCS_SHIFT		16
296 #define GMAC_HI_REG_AE			BIT(31)
297 
298 /* L3/L4 Filters regs */
299 #define GMAC_L4DPIM0			BIT(21)
300 #define GMAC_L4DPM0			BIT(20)
301 #define GMAC_L4SPIM0			BIT(19)
302 #define GMAC_L4SPM0			BIT(18)
303 #define GMAC_L4PEN0			BIT(16)
304 #define GMAC_L3DAIM0			BIT(5)
305 #define GMAC_L3DAM0			BIT(4)
306 #define GMAC_L3SAIM0			BIT(3)
307 #define GMAC_L3SAM0			BIT(2)
308 #define GMAC_L3PEN0			BIT(0)
309 #define GMAC_L4DP0			GENMASK(31, 16)
310 #define GMAC_L4DP0_SHIFT		16
311 #define GMAC_L4SP0			GENMASK(15, 0)
312 
313 /* MAC Timestamp Status */
314 #define GMAC_TIMESTAMP_AUXTSTRIG	BIT(2)
315 #define GMAC_TIMESTAMP_ATSNS_MASK	GENMASK(29, 25)
316 #define GMAC_TIMESTAMP_ATSNS_SHIFT	25
317 
318 /*  MTL registers */
319 #define MTL_OPERATION_MODE		0x00000c00
320 #define MTL_FRPE			BIT(15)
321 #define MTL_OPERATION_SCHALG_MASK	GENMASK(6, 5)
322 #define MTL_OPERATION_SCHALG_WRR	(0x0 << 5)
323 #define MTL_OPERATION_SCHALG_WFQ	(0x1 << 5)
324 #define MTL_OPERATION_SCHALG_DWRR	(0x2 << 5)
325 #define MTL_OPERATION_SCHALG_SP		(0x3 << 5)
326 #define MTL_OPERATION_RAA		BIT(2)
327 #define MTL_OPERATION_RAA_SP		(0x0 << 2)
328 #define MTL_OPERATION_RAA_WSP		(0x1 << 2)
329 
330 #define MTL_INT_STATUS			0x00000c20
331 #define MTL_INT_QX(x)			BIT(x)
332 
333 #define MTL_RXQ_DMA_MAP0		0x00000c30 /* queue 0 to 3 */
334 #define MTL_RXQ_DMA_MAP1		0x00000c34 /* queue 4 to 7 */
335 #define MTL_RXQ_DMA_QXMDMACH_MASK(x)	(0xf << 8 * (x))
336 #define MTL_RXQ_DMA_QXMDMACH(chan, q)	((chan) << (8 * (q)))
337 
338 #define MTL_CHAN_BASE_ADDR		0x00000d00
339 #define MTL_CHAN_BASE_OFFSET		0x40
340 
mtl_chanx_base_addr(const struct dwmac4_addrs * addrs,const u32 x)341 static inline u32 mtl_chanx_base_addr(const struct dwmac4_addrs *addrs,
342 				      const u32 x)
343 {
344 	u32 addr;
345 
346 	if (addrs)
347 		addr = addrs->mtl_chan + (x * addrs->mtl_chan_offset);
348 	else
349 		addr = MTL_CHAN_BASE_ADDR + (x * MTL_CHAN_BASE_OFFSET);
350 
351 	return addr;
352 }
353 
354 #define MTL_CHAN_TX_OP_MODE(addrs, x)	mtl_chanx_base_addr(addrs, x)
355 #define MTL_CHAN_TX_DEBUG(addrs, x)	(mtl_chanx_base_addr(addrs, x) + 0x8)
356 #define MTL_CHAN_INT_CTRL(addrs, x)	(mtl_chanx_base_addr(addrs, x) + 0x2c)
357 #define MTL_CHAN_RX_OP_MODE(addrs, x)	(mtl_chanx_base_addr(addrs, x) + 0x30)
358 #define MTL_CHAN_RX_DEBUG(addrs, x)	(mtl_chanx_base_addr(addrs, x) + 0x38)
359 
360 #define MTL_OP_MODE_RSF			BIT(5)
361 #define MTL_OP_MODE_TXQEN_MASK		GENMASK(3, 2)
362 #define MTL_OP_MODE_TXQEN_AV		BIT(2)
363 #define MTL_OP_MODE_TXQEN		BIT(3)
364 #define MTL_OP_MODE_TSF			BIT(1)
365 
366 #define MTL_OP_MODE_TQS_MASK		GENMASK(24, 16)
367 #define MTL_OP_MODE_TQS_SHIFT		16
368 
369 #define MTL_OP_MODE_TTC_MASK		0x70
370 #define MTL_OP_MODE_TTC_SHIFT		4
371 
372 #define MTL_OP_MODE_TTC_32		0
373 #define MTL_OP_MODE_TTC_64		(1 << MTL_OP_MODE_TTC_SHIFT)
374 #define MTL_OP_MODE_TTC_96		(2 << MTL_OP_MODE_TTC_SHIFT)
375 #define MTL_OP_MODE_TTC_128		(3 << MTL_OP_MODE_TTC_SHIFT)
376 #define MTL_OP_MODE_TTC_192		(4 << MTL_OP_MODE_TTC_SHIFT)
377 #define MTL_OP_MODE_TTC_256		(5 << MTL_OP_MODE_TTC_SHIFT)
378 #define MTL_OP_MODE_TTC_384		(6 << MTL_OP_MODE_TTC_SHIFT)
379 #define MTL_OP_MODE_TTC_512		(7 << MTL_OP_MODE_TTC_SHIFT)
380 
381 #define MTL_OP_MODE_RQS_MASK		GENMASK(29, 20)
382 #define MTL_OP_MODE_RQS_SHIFT		20
383 
384 #define MTL_OP_MODE_RFD_MASK		GENMASK(19, 14)
385 #define MTL_OP_MODE_RFD_SHIFT		14
386 
387 #define MTL_OP_MODE_RFA_MASK		GENMASK(13, 8)
388 #define MTL_OP_MODE_RFA_SHIFT		8
389 
390 #define MTL_OP_MODE_EHFC		BIT(7)
391 
392 #define MTL_OP_MODE_RTC_MASK		0x18
393 #define MTL_OP_MODE_RTC_SHIFT		3
394 
395 #define MTL_OP_MODE_RTC_32		(1 << MTL_OP_MODE_RTC_SHIFT)
396 #define MTL_OP_MODE_RTC_64		0
397 #define MTL_OP_MODE_RTC_96		(2 << MTL_OP_MODE_RTC_SHIFT)
398 #define MTL_OP_MODE_RTC_128		(3 << MTL_OP_MODE_RTC_SHIFT)
399 
400 /* MTL ETS Control register */
401 #define MTL_ETS_CTRL_BASE_ADDR		0x00000d10
402 #define MTL_ETS_CTRL_BASE_OFFSET	0x40
403 
mtl_etsx_ctrl_base_addr(const struct dwmac4_addrs * addrs,const u32 x)404 static inline u32 mtl_etsx_ctrl_base_addr(const struct dwmac4_addrs *addrs,
405 					  const u32 x)
406 {
407 	u32 addr;
408 
409 	if (addrs)
410 		addr = addrs->mtl_ets_ctrl + (x * addrs->mtl_ets_ctrl_offset);
411 	else
412 		addr = MTL_ETS_CTRL_BASE_ADDR + (x * MTL_ETS_CTRL_BASE_OFFSET);
413 
414 	return addr;
415 }
416 
417 #define MTL_ETS_CTRL_CC			BIT(3)
418 #define MTL_ETS_CTRL_AVALG		BIT(2)
419 
420 /* MTL Queue Quantum Weight */
421 #define MTL_TXQ_WEIGHT_BASE_ADDR	0x00000d18
422 #define MTL_TXQ_WEIGHT_BASE_OFFSET	0x40
423 
mtl_txqx_weight_base_addr(const struct dwmac4_addrs * addrs,const u32 x)424 static inline u32 mtl_txqx_weight_base_addr(const struct dwmac4_addrs *addrs,
425 					    const u32 x)
426 {
427 	u32 addr;
428 
429 	if (addrs)
430 		addr = addrs->mtl_txq_weight + (x * addrs->mtl_txq_weight_offset);
431 	else
432 		addr = MTL_TXQ_WEIGHT_BASE_ADDR + (x * MTL_TXQ_WEIGHT_BASE_OFFSET);
433 
434 	return addr;
435 }
436 
437 #define MTL_TXQ_WEIGHT_ISCQW_MASK	GENMASK(20, 0)
438 
439 /* MTL sendSlopeCredit register */
440 #define MTL_SEND_SLP_CRED_BASE_ADDR	0x00000d1c
441 #define MTL_SEND_SLP_CRED_OFFSET	0x40
442 
mtl_send_slp_credx_base_addr(const struct dwmac4_addrs * addrs,const u32 x)443 static inline u32 mtl_send_slp_credx_base_addr(const struct dwmac4_addrs *addrs,
444 					       const u32 x)
445 {
446 	u32 addr;
447 
448 	if (addrs)
449 		addr = addrs->mtl_send_slp_cred + (x * addrs->mtl_send_slp_cred_offset);
450 	else
451 		addr = MTL_SEND_SLP_CRED_BASE_ADDR + (x * MTL_SEND_SLP_CRED_OFFSET);
452 
453 	return addr;
454 }
455 
456 #define MTL_SEND_SLP_CRED_SSC_MASK	GENMASK(13, 0)
457 
458 /* MTL hiCredit register */
459 #define MTL_HIGH_CRED_BASE_ADDR		0x00000d20
460 #define MTL_HIGH_CRED_OFFSET		0x40
461 
mtl_high_credx_base_addr(const struct dwmac4_addrs * addrs,const u32 x)462 static inline u32 mtl_high_credx_base_addr(const struct dwmac4_addrs *addrs,
463 					   const u32 x)
464 {
465 	u32 addr;
466 
467 	if (addrs)
468 		addr = addrs->mtl_high_cred + (x * addrs->mtl_high_cred_offset);
469 	else
470 		addr = MTL_HIGH_CRED_BASE_ADDR + (x * MTL_HIGH_CRED_OFFSET);
471 
472 	return addr;
473 }
474 
475 #define MTL_HIGH_CRED_HC_MASK		GENMASK(28, 0)
476 
477 /* MTL loCredit register */
478 #define MTL_LOW_CRED_BASE_ADDR		0x00000d24
479 #define MTL_LOW_CRED_OFFSET		0x40
480 
mtl_low_credx_base_addr(const struct dwmac4_addrs * addrs,const u32 x)481 static inline u32 mtl_low_credx_base_addr(const struct dwmac4_addrs *addrs,
482 					  const u32 x)
483 {
484 	u32 addr;
485 
486 	if (addrs)
487 		addr = addrs->mtl_low_cred + (x * addrs->mtl_low_cred_offset);
488 	else
489 		addr = MTL_LOW_CRED_BASE_ADDR + (x * MTL_LOW_CRED_OFFSET);
490 
491 	return addr;
492 }
493 
494 #define MTL_HIGH_CRED_LC_MASK		GENMASK(28, 0)
495 
496 /*  MTL debug */
497 #define MTL_DEBUG_TXSTSFSTS		BIT(5)
498 #define MTL_DEBUG_TXFSTS		BIT(4)
499 #define MTL_DEBUG_TWCSTS		BIT(3)
500 
501 /* MTL debug: Tx FIFO Read Controller Status */
502 #define MTL_DEBUG_TRCSTS_MASK		GENMASK(2, 1)
503 #define MTL_DEBUG_TRCSTS_SHIFT		1
504 #define MTL_DEBUG_TRCSTS_IDLE		0
505 #define MTL_DEBUG_TRCSTS_READ		1
506 #define MTL_DEBUG_TRCSTS_TXW		2
507 #define MTL_DEBUG_TRCSTS_WRITE		3
508 #define MTL_DEBUG_TXPAUSED		BIT(0)
509 
510 /* MAC debug: GMII or MII Transmit Protocol Engine Status */
511 #define MTL_DEBUG_RXFSTS_MASK		GENMASK(5, 4)
512 #define MTL_DEBUG_RXFSTS_SHIFT		4
513 #define MTL_DEBUG_RXFSTS_EMPTY		0
514 #define MTL_DEBUG_RXFSTS_BT		1
515 #define MTL_DEBUG_RXFSTS_AT		2
516 #define MTL_DEBUG_RXFSTS_FULL		3
517 #define MTL_DEBUG_RRCSTS_MASK		GENMASK(2, 1)
518 #define MTL_DEBUG_RRCSTS_SHIFT		1
519 #define MTL_DEBUG_RRCSTS_IDLE		0
520 #define MTL_DEBUG_RRCSTS_RDATA		1
521 #define MTL_DEBUG_RRCSTS_RSTAT		2
522 #define MTL_DEBUG_RRCSTS_FLUSH		3
523 #define MTL_DEBUG_RWCSTS		BIT(0)
524 
525 /*  MTL interrupt */
526 #define MTL_RX_OVERFLOW_INT_EN		BIT(24)
527 #define MTL_RX_OVERFLOW_INT		BIT(16)
528 
529 /* Default operating mode of the MAC */
530 #define GMAC_CORE_INIT (GMAC_CONFIG_JD | GMAC_CONFIG_PS | \
531 			GMAC_CONFIG_BE | GMAC_CONFIG_DCRS | \
532 			GMAC_CONFIG_JE)
533 
534 /* To dump the core regs excluding  the Address Registers */
535 #define	GMAC_REG_NUM	132
536 
537 /*  MTL debug */
538 #define MTL_DEBUG_TXSTSFSTS		BIT(5)
539 #define MTL_DEBUG_TXFSTS		BIT(4)
540 #define MTL_DEBUG_TWCSTS		BIT(3)
541 
542 /* MTL debug: Tx FIFO Read Controller Status */
543 #define MTL_DEBUG_TRCSTS_MASK		GENMASK(2, 1)
544 #define MTL_DEBUG_TRCSTS_SHIFT		1
545 #define MTL_DEBUG_TRCSTS_IDLE		0
546 #define MTL_DEBUG_TRCSTS_READ		1
547 #define MTL_DEBUG_TRCSTS_TXW		2
548 #define MTL_DEBUG_TRCSTS_WRITE		3
549 #define MTL_DEBUG_TXPAUSED		BIT(0)
550 
551 /* MAC debug: GMII or MII Transmit Protocol Engine Status */
552 #define MTL_DEBUG_RXFSTS_MASK		GENMASK(5, 4)
553 #define MTL_DEBUG_RXFSTS_SHIFT		4
554 #define MTL_DEBUG_RXFSTS_EMPTY		0
555 #define MTL_DEBUG_RXFSTS_BT		1
556 #define MTL_DEBUG_RXFSTS_AT		2
557 #define MTL_DEBUG_RXFSTS_FULL		3
558 #define MTL_DEBUG_RRCSTS_MASK		GENMASK(2, 1)
559 #define MTL_DEBUG_RRCSTS_SHIFT		1
560 #define MTL_DEBUG_RRCSTS_IDLE		0
561 #define MTL_DEBUG_RRCSTS_RDATA		1
562 #define MTL_DEBUG_RRCSTS_RSTAT		2
563 #define MTL_DEBUG_RRCSTS_FLUSH		3
564 #define MTL_DEBUG_RWCSTS		BIT(0)
565 
566 /* SGMII/RGMII status register */
567 #define GMAC_PHYIF_CTRLSTATUS_TC		BIT(0)
568 #define GMAC_PHYIF_CTRLSTATUS_LUD		BIT(1)
569 #define GMAC_PHYIF_CTRLSTATUS_SMIDRXS		BIT(4)
570 #define GMAC_PHYIF_CTRLSTATUS_LNKMOD		BIT(16)
571 #define GMAC_PHYIF_CTRLSTATUS_SPEED		GENMASK(18, 17)
572 #define GMAC_PHYIF_CTRLSTATUS_SPEED_SHIFT	17
573 #define GMAC_PHYIF_CTRLSTATUS_LNKSTS		BIT(19)
574 #define GMAC_PHYIF_CTRLSTATUS_JABTO		BIT(20)
575 #define GMAC_PHYIF_CTRLSTATUS_FALSECARDET	BIT(21)
576 /* LNKMOD */
577 #define GMAC_PHYIF_CTRLSTATUS_LNKMOD_MASK	0x1
578 /* LNKSPEED */
579 #define GMAC_PHYIF_CTRLSTATUS_SPEED_125		0x2
580 #define GMAC_PHYIF_CTRLSTATUS_SPEED_25		0x1
581 #define GMAC_PHYIF_CTRLSTATUS_SPEED_2_5		0x0
582 
583 extern const struct stmmac_dma_ops dwmac4_dma_ops;
584 extern const struct stmmac_dma_ops dwmac410_dma_ops;
585 #endif /* __DWMAC4_H__ */
586