xref: /linux/drivers/net/ethernet/freescale/enetc/enetc_hw.h (revision 36a16ed591b3565b5c5da547221923ead5a3eb6e)
1 /* SPDX-License-Identifier: (GPL-2.0+ OR BSD-3-Clause) */
2 /* Copyright 2017-2019 NXP */
3 
4 #include <linux/bitops.h>
5 
6 #define ENETC_MM_VERIFY_SLEEP_US	USEC_PER_MSEC
7 #define ENETC_MM_VERIFY_RETRIES		3
8 
9 #define ENETC_NUM_TC			8
10 
11 /* ENETC device IDs */
12 #define ENETC_DEV_ID_PF		0xe100
13 #define ENETC_DEV_ID_VF		0xef00
14 #define ENETC_DEV_ID_PTP	0xee02
15 
16 /* ENETC register block BAR */
17 #define ENETC_BAR_REGS	0
18 
19 /** SI regs, offset: 0h */
20 #define ENETC_SIMR	0
21 #define ENETC_SIMR_EN	BIT(31)
22 #define ENETC_SIMR_RSSE	BIT(0)
23 #define ENETC_SICTR0	0x18
24 #define ENETC_SICTR1	0x1c
25 #define ENETC_SIPCAPR0	0x20
26 #define ENETC_SIPCAPR0_RSS	BIT(8)
27 #define ENETC_SIPCAPR0_RFS	BIT(2)
28 #define ENETC_SIPCAPR0_LSO	BIT(1)
29 #define ENETC_SIPCAPR1	0x24
30 #define ENETC_SITGTGR	0x30
31 #define ENETC_SIRBGCR	0x38
32 /* cache attribute registers for transactions initiated by ENETC */
33 #define ENETC_SICAR0	0x40
34 #define ENETC_SICAR1	0x44
35 #define ENETC_SICAR2	0x48
36 /* rd snoop, no alloc
37  * wr snoop, no alloc, partial cache line update for BDs and full cache line
38  * update for data
39  */
40 #define ENETC_SICAR_RD_COHERENT	0x2b2b0000
41 #define ENETC_SICAR_WR_COHERENT	0x00006727
42 #define ENETC_SICAR_MSI	0x00300030 /* rd/wr device, no snoop, no alloc */
43 
44 #define ENETC_SIPMAR0	0x80
45 #define ENETC_SIPMAR1	0x84
46 #define ENETC_SICVLANR1	0x90
47 #define ENETC_SICVLANR2	0x94
48 #define  SICVLANR_ETYPE	GENMASK(15, 0)
49 
50 /* VF-PF Message passing */
51 #define ENETC_DEFAULT_MSG_SIZE	1024	/* and max size */
52 /* msg size encoding: default and max msg value of 1024B encoded as 0 */
53 static inline u32 enetc_vsi_set_msize(u32 size)
54 {
55 	return size < ENETC_DEFAULT_MSG_SIZE ? size >> 5 : 0;
56 }
57 
58 #define ENETC_PSIMSGRR	0x204
59 #define ENETC_PSIVMSGRCVAR0(n)	(0x210 + (n) * 0x8) /* n = VSI index */
60 #define ENETC_PSIVMSGRCVAR1(n)	(0x214 + (n) * 0x8)
61 
62 /* Message received mask, n is the active number of VSIs.
63  * It is available for ENETC_PSIMSGRR, ENETC_PSIIER, and
64  * ENETC_PSIIDR registers.
65  */
66 #define ENETC_PSIMR_MASK(n)	\
67 	({ typeof(n) _n = (n); (_n) ? GENMASK((_n), 1) : 0; })
68 
69 /* Message received bit, n is VSI index. It is available for
70  * ENETC_PSIMSGRR, ENETC_PSIIER, and ENETC_PSIIDR registers.
71  */
72 #define ENETC_PSIMR_BIT(n)	BIT((n) + 1)
73 
74 #define ENETC_VSIMSGSR	0x204	/* RO */
75 #define ENETC_VSIMSGSR_MB	BIT(0)
76 #define ENETC_VSIMSGSR_MS	BIT(1)
77 #define ENETC_VSIMSGSNDAR0	0x210
78 #define ENETC_VSIMSGSNDAR1	0x214
79 
80 #define ENETC_SIMSGSR_SET_MC(val) ((val) << 16)
81 #define ENETC_SIMSGSR_GET_MC(val) ((val) >> 16)
82 
83 #define ENETC_PSIMSGSR		0x208
84 /* n is VF index, which is less than 15 */
85 #define  PSIMSGSR_MS(n)		BIT((n) + 1)
86 #define  PSIMSGSR_MC		GENMASK(31, 16)
87 
88 #define ENETC_VSIMSGRR		0x208
89 #define  VSIMSGRR_MC		GENMASK(31, 16)
90 
91 /* SI statistics */
92 #define ENETC_SIROCT	0x300
93 #define ENETC_SIRFRM	0x308
94 #define ENETC_SIRUCA	0x310
95 #define ENETC_SIRMCA	0x318
96 #define ENETC_SITOCT	0x320
97 #define ENETC_SITFRM	0x328
98 #define ENETC_SITUCA	0x330
99 #define ENETC_SITMCA	0x338
100 #define ENETC_RBDCR(n)	(0x8180 + (n) * 0x200)
101 
102 /* Control BDR regs */
103 #define ENETC_SICBDRMR		0x800
104 #define ENETC_SICBDRSR		0x804	/* RO */
105 #define ENETC_SICBDRBAR0	0x810
106 #define ENETC_SICBDRBAR1	0x814
107 #define ENETC_SICBDRPIR		0x818
108 #define ENETC_SICBDRCIR		0x81c
109 #define ENETC_SICBDRLENR	0x820
110 
111 #define ENETC_SICAPR0	0x900
112 #define ENETC_SICAPR1	0x904
113 
114 #define ENETC_VSIIER	0xa00
115 #define  VSIIER_MRIE	BIT(9)
116 
117 #define ENETC_VSIIDR	0xa08
118 #define  VSIIDR_MR	BIT(9)
119 
120 #define ENETC_PSIIER	0xa00
121 #define ENETC_PSIIDR	0xa08
122 
123 /* VF FLR interrupt mask, n is the active number of VFs.
124  * It is available for ENETC_PSIIER and ENETC_PSIIDR registers.
125  */
126 #define ENETC_VFFLR_MASK(n)	\
127 	({ typeof(n) _n = (n); (_n) ? GENMASK(16 + (_n), 17) : 0; })
128 
129 /* VF FLR interrupt bit, n is VF index. It is available
130  * for ENETC_PSIIER and ENETC_PSIIDR registers.
131  */
132 #define ENETC_VFFLR_BIT(n)	BIT(17 + (n))
133 
134 #define ENETC_SITXIDR	0xa18
135 #define ENETC_SIRXIDR	0xa28
136 #define ENETC_SIMSIVR	0xa30
137 
138 #define ENETC_SIMSITRV(n) (0xB00 + (n) * 0x4)
139 #define ENETC_SIMSIRRV(n) (0xB80 + (n) * 0x4)
140 
141 #define ENETC_SIUEFDCR	0xe28
142 
143 #define ENETC_SIRFSCAPR	0x1200
144 #define ENETC_SIRFSCAPR_GET_NUM_RFS(val) ((val) & 0x7f)
145 #define ENETC_SIRSSCAPR	0x1600
146 #define ENETC_SIRSSCAPR_GET_NUM_RSS(val) (BIT((val) & 0xf) * 32)
147 
148 /** SI BDR sub-blocks, n = 0..7 */
149 enum enetc_bdr_type {TX, RX};
150 #define ENETC_BDR_OFF(i)	((i) * 0x200)
151 #define ENETC_BDR(t, i, r)	(0x8000 + (t) * 0x100 + ENETC_BDR_OFF(i) + (r))
152 /* RX BDR reg offsets */
153 #define ENETC_RBMR	0
154 #define ENETC_RBMR_BDS	BIT(2)
155 #define ENETC_RBMR_CM	BIT(4)
156 #define ENETC_RBMR_VTE	BIT(5)
157 #define ENETC_RBMR_EN	BIT(31)
158 #define ENETC_RBSR	0x4
159 #define ENETC_RBBSR	0x8
160 #define ENETC_RBCIR	0xc
161 #define ENETC_RBBAR0	0x10
162 #define ENETC_RBBAR1	0x14
163 #define ENETC_RBPIR	0x18
164 #define ENETC_RBLENR	0x20
165 #define ENETC_RBIER	0xa0
166 #define ENETC_RBIER_RXTIE	BIT(0)
167 #define ENETC_RBIDR	0xa4
168 #define ENETC_RBICR0	0xa8
169 #define ENETC_RBICR0_ICEN		BIT(31)
170 #define ENETC_RBICR0_ICPT_MASK		0x1ff
171 #define ENETC_RBICR0_SET_ICPT(n)	((n) & ENETC_RBICR0_ICPT_MASK)
172 #define ENETC_RBICR1	0xac
173 
174 /* TX BDR reg offsets */
175 #define ENETC_TBMR	0
176 #define ENETC_TBSR_BUSY	BIT(0)
177 #define ENETC_TBMR_VIH	BIT(9)
178 #define ENETC_TBMR_PRIO_MASK		GENMASK(2, 0)
179 #define ENETC_TBMR_SET_PRIO(val)	((val) & ENETC_TBMR_PRIO_MASK)
180 #define ENETC_TBMR_EN	BIT(31)
181 #define ENETC_TBSR	0x4
182 #define ENETC_TBBAR0	0x10
183 #define ENETC_TBBAR1	0x14
184 #define ENETC_TBPIR	0x18
185 #define ENETC_TBCIR	0x1c
186 #define ENETC_TBCIR_IDX_MASK	0xffff
187 #define ENETC_TBLENR	0x20
188 #define ENETC_TBIER	0xa0
189 #define ENETC_TBIER_TXTIE	BIT(0)
190 #define ENETC_TBIDR	0xa4
191 #define ENETC_TBICR0	0xa8
192 #define ENETC_TBICR0_ICEN		BIT(31)
193 #define ENETC_TBICR0_ICPT_MASK		0xf
194 #define ENETC_TBICR0_SET_ICPT(n) ((ilog2(n) + 1) & ENETC_TBICR0_ICPT_MASK)
195 #define ENETC_TBICR1	0xac
196 
197 #define ENETC_RTBLENR_LEN(n)	((n) & ~0x7)
198 
199 /* Port regs, offset: 1_0000h */
200 #define ENETC_PORT_BASE		0x10000
201 #define ENETC_PMR		0x0000
202 #define ENETC_PMR_EN	GENMASK(18, 16)
203 #define ENETC_PMR_PSPEED_MASK GENMASK(11, 8)
204 #define ENETC_PMR_PSPEED_10M	0
205 #define ENETC_PMR_PSPEED_100M	BIT(8)
206 #define ENETC_PMR_PSPEED_1000M	BIT(9)
207 #define ENETC_PMR_PSPEED_2500M	BIT(10)
208 #define ENETC_PSR		0x0004 /* RO */
209 #define ENETC_PSIPMMR		0x0018
210 #define  PSIPMMR_SI_MAC_UP(n)	BIT(n) /* n = SI index */
211 #define  PSIPMMR_SI_MAC_MP(n)	BIT((n) + 16)
212 
213 #define ENETC_PSIPVMR		0x001c
214 #define  PSIPVMR_SI_VLAN_P(n)	BIT(n) /* n = SI index */
215 
216 #define ENETC_PSIPMAR0(n)	(0x0100 + (n) * 0x8) /* n = SI index */
217 #define ENETC_PSIPMAR1(n)	(0x0104 + (n) * 0x8)
218 #define ENETC_PVCLCTR		0x0208
219 #define ENETC_PCVLANR1		0x0210
220 #define ENETC_PCVLANR2		0x0214
221 #define ENETC_VLAN_TYPE_C	BIT(0)
222 #define ENETC_VLAN_TYPE_S	BIT(1)
223 #define ENETC_PVCLCTR_OVTPIDL(bmp)	((bmp) & 0xff) /* VLAN_TYPE */
224 #define ENETC_PSIVLANR(n)	(0x0240 + (n) * 4) /* n = SI index */
225 #define ENETC_PSIVLAN_EN	BIT(31)
226 #define ENETC_PSIVLAN_SET_QOS(val)	((u32)(val) << 12)
227 #define ENETC_PPAUONTR		0x0410
228 #define ENETC_PPAUOFFTR		0x0414
229 #define ENETC_PTXMBAR		0x0608
230 #define ENETC_PCAPR0		0x0900
231 #define ENETC_PCAPR0_RXBDR(val)	((val) >> 24)
232 #define ENETC_PCAPR0_TXBDR(val)	(((val) >> 16) & 0xff)
233 #define ENETC_PCAPR0_PSFP	BIT(9)
234 #define ENETC_PCAPR0_QBV	BIT(4)
235 #define ENETC_PCAPR0_QBU	BIT(3)
236 #define ENETC_PCAPR1		0x0904
237 #define ENETC_PSICFGR0(n)	(0x0940 + (n) * 0xc)  /* n = SI index */
238 #define ENETC_PSICFGR0_SET_TXBDR(val)	((val) & 0xff)
239 #define ENETC_PSICFGR0_SET_RXBDR(val)	(((val) & 0xff) << 16)
240 #define ENETC_PSICFGR0_VTE	BIT(12)
241 #define ENETC_PSICFGR0_SIVIE	BIT(14)
242 #define ENETC_PSICFGR0_ASE	BIT(15)
243 #define ENETC_PSICFGR0_SIVC(bmp)	(((bmp) & 0xff) << 24) /* VLAN_TYPE */
244 
245 #define ENETC_PTCCBSR0(n)	(0x1110 + (n) * 8) /* n = 0 to 7*/
246 #define ENETC_CBSE		BIT(31)
247 #define ENETC_CBS_BW_MASK	GENMASK(6, 0)
248 #define ENETC_PTCCBSR1(n)	(0x1114 + (n) * 8) /* n = 0 to 7*/
249 #define ENETC_RSSHASH_KEY_SIZE	40
250 #define ENETC_PRSSCAPR		0x1404
251 #define ENETC_PRSSCAPR_GET_NUM_RSS(val)	(BIT((val) & 0xf) * 32)
252 #define ENETC_PRSSK(n)		(0x1410 + (n) * 4) /* n = [0..9] */
253 #define ENETC_PSIVLANFMR	0x1700
254 #define ENETC_PSIVLANFMR_VS	BIT(0)
255 #define ENETC_PRFSMR		0x1800
256 #define ENETC_PRFSMR_RFSE	BIT(31)
257 #define ENETC_PRFSCAPR		0x1804
258 #define ENETC_PRFSCAPR_GET_NUM_RFS(val)	((((val) & 0xf) + 1) * 16)
259 #define ENETC_PSIRFSCFGR(n)	(0x1814 + (n) * 4) /* n = SI index */
260 #define ENETC_PFPMR		0x1900
261 #define ENETC_PFPMR_PMACE	BIT(1)
262 #define ENETC_EMDIO_BASE	0x1c00
263 #define ENETC_PSIUMHFR0(n, err)	(((err) ? 0x1d08 : 0x1d00) + (n) * 0x10)
264 #define ENETC_PSIUMHFR1(n)	(0x1d04 + (n) * 0x10)
265 #define ENETC_PSIMMHFR0(n, err)	(((err) ? 0x1d00 : 0x1d08) + (n) * 0x10)
266 #define ENETC_PSIMMHFR1(n)	(0x1d0c + (n) * 0x10)
267 #define ENETC_PSIVHFR0(n)	(0x1e00 + (n) * 8) /* n = SI index */
268 #define ENETC_PSIVHFR1(n)	(0x1e04 + (n) * 8) /* n = SI index */
269 #define ENETC_MMCSR		0x1f00
270 #define ENETC_MMCSR_LINK_FAIL	BIT(31)
271 #define ENETC_MMCSR_VT_MASK	GENMASK(29, 23) /* Verify Time */
272 #define ENETC_MMCSR_VT(x)	(((x) << 23) & ENETC_MMCSR_VT_MASK)
273 #define ENETC_MMCSR_GET_VT(x)	(((x) & ENETC_MMCSR_VT_MASK) >> 23)
274 #define ENETC_MMCSR_TXSTS_MASK	GENMASK(22, 21) /* Merge Status */
275 #define ENETC_MMCSR_GET_TXSTS(x) (((x) & ENETC_MMCSR_TXSTS_MASK) >> 21)
276 #define ENETC_MMCSR_VSTS_MASK	GENMASK(20, 18) /* Verify Status */
277 #define ENETC_MMCSR_GET_VSTS(x) (((x) & ENETC_MMCSR_VSTS_MASK) >> 18)
278 #define ENETC_MMCSR_VDIS	BIT(17) /* Verify Disabled */
279 #define ENETC_MMCSR_ME		BIT(16) /* Merge Enabled */
280 #define ENETC_MMCSR_RAFS_MASK	GENMASK(9, 8) /* Remote Additional Fragment Size */
281 #define ENETC_MMCSR_RAFS(x)	(((x) << 8) & ENETC_MMCSR_RAFS_MASK)
282 #define ENETC_MMCSR_GET_RAFS(x)	(((x) & ENETC_MMCSR_RAFS_MASK) >> 8)
283 #define ENETC_MMCSR_LAFS_MASK	GENMASK(4, 3) /* Local Additional Fragment Size */
284 #define ENETC_MMCSR_GET_LAFS(x)	(((x) & ENETC_MMCSR_LAFS_MASK) >> 3)
285 #define ENETC_MMCSR_LPA		BIT(2) /* Local Preemption Active */
286 #define ENETC_MMCSR_LPE		BIT(1) /* Local Preemption Enabled */
287 #define ENETC_MMCSR_LPS		BIT(0) /* Local Preemption Supported */
288 #define ENETC_MMFAECR		0x1f08
289 #define ENETC_MMFSECR		0x1f0c
290 #define ENETC_MMFAOCR		0x1f10
291 #define ENETC_MMFCRXR		0x1f14
292 #define ENETC_MMFCTXR		0x1f18
293 #define ENETC_MMHCR		0x1f1c
294 #define ENETC_PTCMSDUR(n)	(0x2020 + (n) * 4) /* n = TC index [0..7] */
295 
296 #define ENETC_PMAC_OFFSET	0x1000
297 
298 #define ENETC_PM0_CMD_CFG	0x8008
299 #define ENETC_PM0_TX_EN		BIT(0)
300 #define ENETC_PM0_RX_EN		BIT(1)
301 #define ENETC_PM0_PROMISC	BIT(4)
302 #define ENETC_PM0_PAUSE_IGN	BIT(8)
303 #define ENETC_PM0_CMD_XGLP	BIT(10)
304 #define ENETC_PM0_CMD_TXP	BIT(11)
305 #define ENETC_PM0_CMD_PHY_TX_EN	BIT(15)
306 #define ENETC_PM0_CMD_SFD	BIT(21)
307 #define ENETC_PM0_MAXFRM	0x8014
308 #define ENETC_SET_TX_MTU(val)	((val) << 16)
309 #define ENETC_SET_MAXFRM(val)	((val) & 0xffff)
310 #define ENETC_PM0_RX_FIFO	0x801c
311 #define ENETC_PM0_RX_FIFO_VAL	1
312 
313 #define ENETC_PM_IMDIO_BASE	0x8030
314 
315 #define ENETC_PM0_PAUSE_QUANTA	0x8054
316 #define ENETC_PM0_PAUSE_THRESH	0x8064
317 
318 #define ENETC_PM0_SINGLE_STEP		0x80c0
319 #define ENETC_PM0_SINGLE_STEP_CH	BIT(7)
320 #define ENETC_PM0_SINGLE_STEP_EN	BIT(31)
321 #define ENETC_SET_SINGLE_STEP_OFFSET(v)	(((v) & 0xff) << 8)
322 
323 #define ENETC_PM0_IF_MODE	0x8300
324 #define ENETC_PM0_IFM_RG	BIT(2)
325 #define ENETC_PM0_IFM_RLP	(BIT(5) | BIT(11))
326 #define ENETC_PM0_IFM_EN_AUTO	BIT(15)
327 #define ENETC_PM0_IFM_SSP_MASK	GENMASK(14, 13)
328 #define ENETC_PM0_IFM_SSP_1000	(2 << 13)
329 #define ENETC_PM0_IFM_SSP_100	(0 << 13)
330 #define ENETC_PM0_IFM_SSP_10	(1 << 13)
331 #define ENETC_PM0_IFM_FULL_DPX	BIT(12)
332 #define ENETC_PM0_IFM_IFMODE_MASK GENMASK(1, 0)
333 #define ENETC_PM0_IFM_IFMODE_XGMII 0
334 #define ENETC_PM0_IFM_IFMODE_GMII 2
335 #define ENETC_PSIDCAPR		0x1b08
336 #define ENETC_PSIDCAPR_MSK	GENMASK(15, 0)
337 #define ENETC_PSFCAPR		0x1b18
338 #define ENETC_PSFCAPR_MSK	GENMASK(15, 0)
339 #define ENETC_PSGCAPR		0x1b28
340 #define ENETC_PSGCAPR_GCL_MSK	GENMASK(18, 16)
341 #define ENETC_PSGCAPR_SGIT_MSK	GENMASK(15, 0)
342 #define ENETC_PFMCAPR		0x1b38
343 #define ENETC_PFMCAPR_MSK	GENMASK(15, 0)
344 
345 /* Port MAC counters: Port MAC 0 corresponds to the eMAC and
346  * Port MAC 1 to the pMAC.
347  */
348 #define ENETC_PM_REOCT(mac)	(0x8100 + ENETC_PMAC_OFFSET * (mac))
349 #define ENETC_PM_RALN(mac)	(0x8110 + ENETC_PMAC_OFFSET * (mac))
350 #define ENETC_PM_RXPF(mac)	(0x8118 + ENETC_PMAC_OFFSET * (mac))
351 #define ENETC_PM_RFRM(mac)	(0x8120 + ENETC_PMAC_OFFSET * (mac))
352 #define ENETC_PM_RFCS(mac)	(0x8128 + ENETC_PMAC_OFFSET * (mac))
353 #define ENETC_PM_RVLAN(mac)	(0x8130 + ENETC_PMAC_OFFSET * (mac))
354 #define ENETC_PM_RERR(mac)	(0x8138 + ENETC_PMAC_OFFSET * (mac))
355 #define ENETC_PM_RUCA(mac)	(0x8140 + ENETC_PMAC_OFFSET * (mac))
356 #define ENETC_PM_RMCA(mac)	(0x8148 + ENETC_PMAC_OFFSET * (mac))
357 #define ENETC_PM_RBCA(mac)	(0x8150 + ENETC_PMAC_OFFSET * (mac))
358 #define ENETC_PM_RDRP(mac)	(0x8158 + ENETC_PMAC_OFFSET * (mac))
359 #define ENETC_PM_RPKT(mac)	(0x8160 + ENETC_PMAC_OFFSET * (mac))
360 #define ENETC_PM_RUND(mac)	(0x8168 + ENETC_PMAC_OFFSET * (mac))
361 #define ENETC_PM_R64(mac)	(0x8170 + ENETC_PMAC_OFFSET * (mac))
362 #define ENETC_PM_R127(mac)	(0x8178 + ENETC_PMAC_OFFSET * (mac))
363 #define ENETC_PM_R255(mac)	(0x8180 + ENETC_PMAC_OFFSET * (mac))
364 #define ENETC_PM_R511(mac)	(0x8188 + ENETC_PMAC_OFFSET * (mac))
365 #define ENETC_PM_R1023(mac)	(0x8190 + ENETC_PMAC_OFFSET * (mac))
366 #define ENETC_PM_R1522(mac)	(0x8198 + ENETC_PMAC_OFFSET * (mac))
367 #define ENETC_PM_R1523X(mac)	(0x81A0 + ENETC_PMAC_OFFSET * (mac))
368 #define ENETC_PM_ROVR(mac)	(0x81A8 + ENETC_PMAC_OFFSET * (mac))
369 #define ENETC_PM_RJBR(mac)	(0x81B0 + ENETC_PMAC_OFFSET * (mac))
370 #define ENETC_PM_RFRG(mac)	(0x81B8 + ENETC_PMAC_OFFSET * (mac))
371 #define ENETC_PM_RCNP(mac)	(0x81C0 + ENETC_PMAC_OFFSET * (mac))
372 #define ENETC_PM_RDRNTP(mac)	(0x81C8 + ENETC_PMAC_OFFSET * (mac))
373 #define ENETC_PM_TEOCT(mac)	(0x8200 + ENETC_PMAC_OFFSET * (mac))
374 #define ENETC_PM_TOCT(mac)	(0x8208 + ENETC_PMAC_OFFSET * (mac))
375 #define ENETC_PM_TCRSE(mac)	(0x8210 + ENETC_PMAC_OFFSET * (mac))
376 #define ENETC_PM_TXPF(mac)	(0x8218 + ENETC_PMAC_OFFSET * (mac))
377 #define ENETC_PM_TFRM(mac)	(0x8220 + ENETC_PMAC_OFFSET * (mac))
378 #define ENETC_PM_TFCS(mac)	(0x8228 + ENETC_PMAC_OFFSET * (mac))
379 #define ENETC_PM_TVLAN(mac)	(0x8230 + ENETC_PMAC_OFFSET * (mac))
380 #define ENETC_PM_TERR(mac)	(0x8238 + ENETC_PMAC_OFFSET * (mac))
381 #define ENETC_PM_TUCA(mac)	(0x8240 + ENETC_PMAC_OFFSET * (mac))
382 #define ENETC_PM_TMCA(mac)	(0x8248 + ENETC_PMAC_OFFSET * (mac))
383 #define ENETC_PM_TBCA(mac)	(0x8250 + ENETC_PMAC_OFFSET * (mac))
384 #define ENETC_PM_TPKT(mac)	(0x8260 + ENETC_PMAC_OFFSET * (mac))
385 #define ENETC_PM_TUND(mac)	(0x8268 + ENETC_PMAC_OFFSET * (mac))
386 #define ENETC_PM_T64(mac)	(0x8270 + ENETC_PMAC_OFFSET * (mac))
387 #define ENETC_PM_T127(mac)	(0x8278 + ENETC_PMAC_OFFSET * (mac))
388 #define ENETC_PM_T255(mac)	(0x8280 + ENETC_PMAC_OFFSET * (mac))
389 #define ENETC_PM_T511(mac)	(0x8288 + ENETC_PMAC_OFFSET * (mac))
390 #define ENETC_PM_T1023(mac)	(0x8290 + ENETC_PMAC_OFFSET * (mac))
391 #define ENETC_PM_T1522(mac)	(0x8298 + ENETC_PMAC_OFFSET * (mac))
392 #define ENETC_PM_T1523X(mac)	(0x82A0 + ENETC_PMAC_OFFSET * (mac))
393 #define ENETC_PM_TCNP(mac)	(0x82C0 + ENETC_PMAC_OFFSET * (mac))
394 #define ENETC_PM_TDFR(mac)	(0x82D0 + ENETC_PMAC_OFFSET * (mac))
395 #define ENETC_PM_TMCOL(mac)	(0x82D8 + ENETC_PMAC_OFFSET * (mac))
396 #define ENETC_PM_TSCOL(mac)	(0x82E0 + ENETC_PMAC_OFFSET * (mac))
397 #define ENETC_PM_TLCOL(mac)	(0x82E8 + ENETC_PMAC_OFFSET * (mac))
398 #define ENETC_PM_TECOL(mac)	(0x82F0 + ENETC_PMAC_OFFSET * (mac))
399 
400 /* Port counters */
401 #define ENETC_PICDR(n)		(0x0700 + (n) * 8) /* n = [0..3] */
402 #define ENETC_PBFDSIR		0x0810
403 #define ENETC_PFDMSAPR		0x0814
404 #define ENETC_UFDMF		0x1680
405 #define ENETC_MFDMF		0x1684
406 #define ENETC_PUFDVFR		0x1780
407 #define ENETC_PMFDVFR		0x1784
408 #define ENETC_PBFDVFR		0x1788
409 
410 /** Global regs, offset: 2_0000h */
411 #define ENETC_GLOBAL_BASE	0x20000
412 #define ENETC_G_EIPBRR0		0x0bf8
413 #define EIPBRR0_REVISION	GENMASK(15, 0)
414 #define ENETC_REV_1_0		0x0100
415 #define ENETC_REV_4_1		0X0401
416 #define ENETC_REV_4_3		0x0403
417 
418 #define ENETC_G_EIPBRR1		0x0bfc
419 #define ENETC_G_EPFBLPR(n)	(0xd00 + 4 * (n))
420 #define ENETC_G_EPFBLPR1_XGMII	0x80000000
421 
422 /* PCI device info */
423 struct enetc_hw {
424 	/* SI registers, used by all PCI functions */
425 	void __iomem *reg;
426 	/* Port registers, PF only */
427 	void __iomem *port;
428 	/* IP global registers, PF only */
429 	void __iomem *global;
430 };
431 
432 /* ENETC register accessors */
433 
434 /* MDIO issue workaround (on LS1028A) -
435  * Due to a hardware issue, an access to MDIO registers
436  * that is concurrent with other ENETC register accesses
437  * may lead to the MDIO access being dropped or corrupted.
438  * To protect the MDIO accesses a readers-writers locking
439  * scheme is used, where the MDIO register accesses are
440  * protected by write locks to insure exclusivity, while
441  * the remaining ENETC registers are accessed under read
442  * locks since they only compete with MDIO accesses.
443  */
444 extern rwlock_t enetc_mdio_lock;
445 
446 DECLARE_STATIC_KEY_FALSE(enetc_has_err050089);
447 
448 /* use this locking primitive only on the fast datapath to
449  * group together multiple non-MDIO register accesses to
450  * minimize the overhead of the lock
451  */
452 static inline void enetc_lock_mdio(void)
453 {
454 	if (static_branch_unlikely(&enetc_has_err050089))
455 		read_lock(&enetc_mdio_lock);
456 }
457 
458 static inline void enetc_unlock_mdio(void)
459 {
460 	if (static_branch_unlikely(&enetc_has_err050089))
461 		read_unlock(&enetc_mdio_lock);
462 }
463 
464 /* use these accessors only on the fast datapath under
465  * the enetc_lock_mdio() locking primitive to minimize
466  * the overhead of the lock
467  */
468 static inline u32 enetc_rd_reg_hot(void __iomem *reg)
469 {
470 	if (static_branch_unlikely(&enetc_has_err050089))
471 		lockdep_assert_held(&enetc_mdio_lock);
472 
473 	return ioread32(reg);
474 }
475 
476 static inline void enetc_wr_reg_hot(void __iomem *reg, u32 val)
477 {
478 	if (static_branch_unlikely(&enetc_has_err050089))
479 		lockdep_assert_held(&enetc_mdio_lock);
480 
481 	iowrite32(val, reg);
482 }
483 
484 /* internal helpers for the MDIO w/a */
485 static inline u32 _enetc_rd_reg_wa(void __iomem *reg)
486 {
487 	u32 val;
488 
489 	enetc_lock_mdio();
490 	val = ioread32(reg);
491 	enetc_unlock_mdio();
492 
493 	return val;
494 }
495 
496 static inline void _enetc_wr_reg_wa(void __iomem *reg, u32 val)
497 {
498 	enetc_lock_mdio();
499 	iowrite32(val, reg);
500 	enetc_unlock_mdio();
501 }
502 
503 static inline u32 _enetc_rd_mdio_reg_wa(void __iomem *reg)
504 {
505 	unsigned long flags;
506 	u32 val;
507 
508 	if (static_branch_unlikely(&enetc_has_err050089)) {
509 		write_lock_irqsave(&enetc_mdio_lock, flags);
510 		val = ioread32(reg);
511 		write_unlock_irqrestore(&enetc_mdio_lock, flags);
512 	} else {
513 		val = ioread32(reg);
514 	}
515 
516 	return val;
517 }
518 
519 static inline void _enetc_wr_mdio_reg_wa(void __iomem *reg, u32 val)
520 {
521 	unsigned long flags;
522 
523 	if (static_branch_unlikely(&enetc_has_err050089)) {
524 		write_lock_irqsave(&enetc_mdio_lock, flags);
525 		iowrite32(val, reg);
526 		write_unlock_irqrestore(&enetc_mdio_lock, flags);
527 	} else {
528 		iowrite32(val, reg);
529 	}
530 }
531 
532 #ifdef ioread64
533 static inline u64 _enetc_rd_reg64(void __iomem *reg)
534 {
535 	return ioread64(reg);
536 }
537 #else
538 /* using this to read out stats on 32b systems */
539 static inline u64 _enetc_rd_reg64(void __iomem *reg)
540 {
541 	u32 low, high, tmp;
542 
543 	do {
544 		high = ioread32(reg + 4);
545 		low = ioread32(reg);
546 		tmp = ioread32(reg + 4);
547 	} while (high != tmp);
548 
549 	return (u64)high << 32 | low;
550 }
551 #endif
552 
553 static inline u64 _enetc_rd_reg64_wa(void __iomem *reg)
554 {
555 	u64 val;
556 
557 	enetc_lock_mdio();
558 	val = _enetc_rd_reg64(reg);
559 	enetc_unlock_mdio();
560 
561 	return val;
562 }
563 
564 /* general register accessors */
565 #define enetc_rd_reg(reg)		_enetc_rd_reg_wa((reg))
566 #define enetc_wr_reg(reg, val)		_enetc_wr_reg_wa((reg), (val))
567 #define enetc_rd(hw, off)		enetc_rd_reg((hw)->reg + (off))
568 #define enetc_wr(hw, off, val)		enetc_wr_reg((hw)->reg + (off), val)
569 #define enetc_rd_hot(hw, off)		enetc_rd_reg_hot((hw)->reg + (off))
570 #define enetc_wr_hot(hw, off, val)	enetc_wr_reg_hot((hw)->reg + (off), val)
571 #define enetc_rd64(hw, off)		_enetc_rd_reg64_wa((hw)->reg + (off))
572 /* port register accessors - PF only */
573 #define enetc_port_rd(hw, off)		enetc_rd_reg((hw)->port + (off))
574 #define enetc_port_wr(hw, off, val)	enetc_wr_reg((hw)->port + (off), val)
575 #define enetc_port_rd64(hw, off)	_enetc_rd_reg64_wa((hw)->port + (off))
576 #define enetc_port_rd_mdio(hw, off)	_enetc_rd_mdio_reg_wa((hw)->port + (off))
577 #define enetc_port_wr_mdio(hw, off, val)	_enetc_wr_mdio_reg_wa(\
578 							(hw)->port + (off), val)
579 /* global register accessors - PF only */
580 #define enetc_global_rd(hw, off)	enetc_rd_reg((hw)->global + (off))
581 #define enetc_global_wr(hw, off, val)	enetc_wr_reg((hw)->global + (off), val)
582 /* BDR register accessors, see ENETC_BDR() */
583 #define enetc_bdr_rd(hw, t, n, off) \
584 				enetc_rd(hw, ENETC_BDR(t, n, off))
585 #define enetc_bdr_wr(hw, t, n, off, val) \
586 				enetc_wr(hw, ENETC_BDR(t, n, off), val)
587 #define enetc_txbdr_rd(hw, n, off) enetc_bdr_rd(hw, TX, n, off)
588 #define enetc_rxbdr_rd(hw, n, off) enetc_bdr_rd(hw, RX, n, off)
589 #define enetc_txbdr_wr(hw, n, off, val) \
590 				enetc_bdr_wr(hw, TX, n, off, val)
591 #define enetc_rxbdr_wr(hw, n, off, val) \
592 				enetc_bdr_wr(hw, RX, n, off, val)
593 
594 /* Buffer Descriptors (BD) */
595 union enetc_tx_bd {
596 	struct {
597 		__le64 addr;
598 		union {
599 			__le16 buf_len;
600 			__le16 hdr_len;	/* For LSO, ENETC 4.1 and later */
601 		};
602 		__le16 frm_len;
603 		union {
604 			struct {
605 				u8 l3_aux0;
606 #define ENETC_TX_BD_L3_START	GENMASK(6, 0)
607 #define ENETC_TX_BD_IPCS	BIT(7)
608 				u8 l3_aux1;
609 #define ENETC_TX_BD_L3_HDR_LEN	GENMASK(6, 0)
610 #define ENETC_TX_BD_L3T		BIT(7)
611 				u8 l4_aux;
612 #define ENETC_TX_BD_L4T		GENMASK(7, 5)
613 #define ENETC_TXBD_L4T_UDP	1
614 #define ENETC_TXBD_L4T_TCP	2
615 				u8 flags;
616 			}; /* default layout */
617 			__le32 txstart;
618 			__le32 lstatus;
619 		};
620 	};
621 	struct {
622 		__le32 tstamp;
623 		__le16 tpid;
624 		__le16 vid;
625 		__le16 lso_sg_size; /* For ENETC 4.1 and later */
626 		__le16 frm_len_ext; /* For ENETC 4.1 and later */
627 		u8 reserved[2];
628 		u8 e_flags;
629 		u8 flags;
630 	} ext; /* Tx BD extension */
631 	struct {
632 		__le32 tstamp;
633 		u8 reserved[8];
634 		__le16 lso_err_count; /* For ENETC 4.1 and later */
635 		u8 status;
636 		u8 flags;
637 	} wb; /* writeback descriptor */
638 };
639 
640 enum enetc_txbd_flags {
641 	ENETC_TXBD_FLAGS_L4CS = BIT(0), /* For ENETC 4.1 and later */
642 	ENETC_TXBD_FLAGS_TSE = BIT(1),
643 	ENETC_TXBD_FLAGS_LSO = BIT(1), /* For ENETC 4.1 and later */
644 	ENETC_TXBD_FLAGS_W = BIT(2),
645 	ENETC_TXBD_FLAGS_CSUM_LSO = BIT(3), /* For ENETC 4.1 and later */
646 	ENETC_TXBD_FLAGS_TXSTART = BIT(4),
647 	ENETC_TXBD_FLAGS_EX = BIT(6),
648 	ENETC_TXBD_FLAGS_F = BIT(7)
649 };
650 #define ENETC_TXBD_STATS_WIN	BIT(7)
651 #define ENETC_TXBD_TXSTART_MASK GENMASK(24, 0)
652 #define ENETC_TXBD_FLAGS_OFFSET 24
653 #define ENETC_TXBD_TSTAMP	GENMASK(29, 0)
654 
655 static inline __le32 enetc_txbd_set_tx_start(u64 tx_start, u8 flags)
656 {
657 	u32 temp;
658 
659 	temp = (tx_start >> 5 & ENETC_TXBD_TXSTART_MASK) |
660 	       (flags << ENETC_TXBD_FLAGS_OFFSET);
661 
662 	return cpu_to_le32(temp);
663 }
664 
665 static inline void enetc_clear_tx_bd(union enetc_tx_bd *txbd)
666 {
667 	memset(txbd, 0, sizeof(*txbd));
668 }
669 
670 /* Extension flags */
671 #define ENETC_TXBD_E_FLAGS_VLAN_INS	BIT(0)
672 #define ENETC_TXBD_E_FLAGS_ONE_STEP_PTP	BIT(1)
673 #define ENETC_TXBD_E_FLAGS_TWO_STEP_PTP	BIT(2)
674 
675 union enetc_rx_bd {
676 	struct {
677 		__le64 addr;
678 		u8 reserved[8];
679 	} w;
680 	struct {
681 		__le16 inet_csum;
682 		__le16 parse_summary;
683 		__le32 rss_hash;
684 		__le16 buf_len;
685 		__le16 vlan_opt;
686 		union {
687 			struct {
688 				__le16 flags;
689 				__le16 error;
690 			};
691 			__le32 lstatus;
692 		};
693 	} r;
694 	struct {
695 		__le32 tstamp;
696 		u8 reserved[12];
697 	} ext;
698 };
699 
700 #define ENETC_RXBD_LSTATUS_R	BIT(30)
701 #define ENETC_RXBD_LSTATUS_F	BIT(31)
702 #define ENETC_RXBD_ERR_MASK	0xff
703 #define ENETC_RXBD_LSTATUS(flags)	((flags) << 16)
704 #define ENETC_RXBD_FLAG_VLAN	BIT(9)
705 #define ENETC_RXBD_FLAG_TSTMP	BIT(10)
706 #define ENETC_RXBD_FLAG_TPID	GENMASK(1, 0)
707 
708 #define ENETC_MAC_ADDR_FILT_CNT	8 /* # of supported entries per port */
709 #define EMETC_MAC_ADDR_FILT_RES	3 /* # of reserved entries at the beginning */
710 
711 #define ENETC_CBD_FLAGS_SF	BIT(7) /* short format */
712 #define ENETC_CBD_STATUS_MASK	0xf
713 
714 #define ENETC_TPID_8021Q	0
715 
716 struct enetc_cmd_rfse {
717 	u8 smac_h[6];
718 	u8 smac_m[6];
719 	u8 dmac_h[6];
720 	u8 dmac_m[6];
721 	__be32 sip_h[4];
722 	__be32 sip_m[4];
723 	__be32 dip_h[4];
724 	__be32 dip_m[4];
725 	u16 ethtype_h;
726 	u16 ethtype_m;
727 	u16 ethtype4_h;
728 	u16 ethtype4_m;
729 	u16 sport_h;
730 	u16 sport_m;
731 	u16 dport_h;
732 	u16 dport_m;
733 	u16 vlan_h;
734 	u16 vlan_m;
735 	u8 proto_h;
736 	u8 proto_m;
737 	u16 flags;
738 	u16 result;
739 	u16 mode;
740 };
741 
742 #define ENETC_RFSE_EN	BIT(15)
743 #define ENETC_RFSE_MODE_BD	2
744 
745 static inline void enetc_get_primary_mac_addr(struct enetc_hw *hw, u8 *addr)
746 {
747 	u32 upper;
748 	u16 lower;
749 
750 	upper = __raw_readl(hw->reg + ENETC_SIPMAR0);
751 	lower = __raw_readl(hw->reg + ENETC_SIPMAR1);
752 
753 	put_unaligned_le32(upper, addr);
754 	put_unaligned_le16(lower, addr + 4);
755 }
756 
757 static inline void enetc_load_primary_mac_addr(struct enetc_hw *hw,
758 					       struct net_device *ndev)
759 {
760 	u8 addr[ETH_ALEN];
761 
762 	enetc_get_primary_mac_addr(hw, addr);
763 	eth_hw_addr_set(ndev, addr);
764 }
765 
766 #define ENETC_SI_INT_IDX	0
767 /* base index for Rx/Tx interrupts */
768 #define ENETC_BDR_INT_BASE_IDX	1
769 
770 /* Messaging */
771 
772 /* Command completion status */
773 enum enetc_msg_cmd_status {
774 	ENETC_MSG_CMD_STATUS_OK,
775 	ENETC_MSG_CMD_STATUS_FAIL
776 };
777 
778 /* VSI-PSI command message types */
779 enum enetc_msg_cmd_type {
780 	ENETC_MSG_CMD_MNG_MAC = 1, /* manage MAC address */
781 	ENETC_MSG_CMD_MNG_RX_MAC_FILTER,/* manage RX MAC table */
782 	ENETC_MSG_CMD_MNG_RX_VLAN_FILTER /* manage RX VLAN table */
783 };
784 
785 /* VSI-PSI command action types */
786 enum enetc_msg_cmd_action_type {
787 	ENETC_MSG_CMD_MNG_ADD = 1,
788 	ENETC_MSG_CMD_MNG_REMOVE
789 };
790 
791 /* PSI-VSI command header format */
792 struct enetc_msg_cmd_header {
793 	u16 type;	/* command class type */
794 	u16 id;		/* denotes the specific required action */
795 };
796 
797 /* Common H/W utility functions */
798 
799 static inline void enetc_bdr_enable_rxvlan(struct enetc_hw *hw, int idx,
800 					   bool en)
801 {
802 	u32 val = enetc_rxbdr_rd(hw, idx, ENETC_RBMR);
803 
804 	val = (val & ~ENETC_RBMR_VTE) | (en ? ENETC_RBMR_VTE : 0);
805 	enetc_rxbdr_wr(hw, idx, ENETC_RBMR, val);
806 }
807 
808 static inline void enetc_bdr_enable_txvlan(struct enetc_hw *hw, int idx,
809 					   bool en)
810 {
811 	u32 val = enetc_txbdr_rd(hw, idx, ENETC_TBMR);
812 
813 	val = (val & ~ENETC_TBMR_VIH) | (en ? ENETC_TBMR_VIH : 0);
814 	enetc_txbdr_wr(hw, idx, ENETC_TBMR, val);
815 }
816 
817 static inline void enetc_set_bdr_prio(struct enetc_hw *hw, int bdr_idx,
818 				      int prio)
819 {
820 	u32 val = enetc_txbdr_rd(hw, bdr_idx, ENETC_TBMR);
821 
822 	val &= ~ENETC_TBMR_PRIO_MASK;
823 	val |= ENETC_TBMR_SET_PRIO(prio);
824 	enetc_txbdr_wr(hw, bdr_idx, ENETC_TBMR, val);
825 }
826 
827 enum bdcr_cmd_class {
828 	BDCR_CMD_UNSPEC = 0,
829 	BDCR_CMD_MAC_FILTER,
830 	BDCR_CMD_VLAN_FILTER,
831 	BDCR_CMD_RSS,
832 	BDCR_CMD_RFS,
833 	BDCR_CMD_PORT_GCL,
834 	BDCR_CMD_RECV_CLASSIFIER,
835 	BDCR_CMD_STREAM_IDENTIFY,
836 	BDCR_CMD_STREAM_FILTER,
837 	BDCR_CMD_STREAM_GCL,
838 	BDCR_CMD_FLOW_METER,
839 	__BDCR_CMD_MAX_LEN,
840 	BDCR_CMD_MAX_LEN = __BDCR_CMD_MAX_LEN - 1,
841 };
842 
843 /* class 5, command 0 */
844 struct tgs_gcl_conf {
845 	u8	atc;	/* init gate value */
846 	u8	res[7];
847 	struct {
848 		u8	res1[4];
849 		__le16	acl_len;
850 		u8	res2[2];
851 	};
852 };
853 
854 /* gate control list entry */
855 struct gce {
856 	__le32	period;
857 	u8	gate;
858 	u8	res[3];
859 };
860 
861 /* tgs_gcl_conf address point to this data space */
862 struct tgs_gcl_data {
863 	__le32		btl;
864 	__le32		bth;
865 	__le32		ct;
866 	__le32		cte;
867 	struct gce	entry[];
868 };
869 
870 /* class 7, command 0, Stream Identity Entry Configuration */
871 struct streamid_conf {
872 	__le32	stream_handle;	/* init gate value */
873 	__le32	iports;
874 		u8	id_type;
875 		u8	oui[3];
876 		u8	res[3];
877 		u8	en;
878 };
879 
880 #define ENETC_CBDR_SID_VID_MASK 0xfff
881 #define ENETC_CBDR_SID_VIDM BIT(12)
882 #define ENETC_CBDR_SID_TG_MASK 0xc000
883 /* streamid_conf address point to this data space */
884 struct streamid_data {
885 	union {
886 		u8 dmac[6];
887 		u8 smac[6];
888 	};
889 	u16     vid_vidm_tg;
890 };
891 
892 #define ENETC_CBDR_SFI_PRI_MASK 0x7
893 #define ENETC_CBDR_SFI_PRIM		BIT(3)
894 #define ENETC_CBDR_SFI_BLOV		BIT(4)
895 #define ENETC_CBDR_SFI_BLEN		BIT(5)
896 #define ENETC_CBDR_SFI_MSDUEN	BIT(6)
897 #define ENETC_CBDR_SFI_FMITEN	BIT(7)
898 #define ENETC_CBDR_SFI_ENABLE	BIT(7)
899 /* class 8, command 0, Stream Filter Instance, Short Format */
900 struct sfi_conf {
901 	__le32	stream_handle;
902 		u8	multi;
903 		u8	res[2];
904 		u8	sthm;
905 	/* Max Service Data Unit or Flow Meter Instance Table index.
906 	 * Depending on the value of FLT this represents either Max
907 	 * Service Data Unit (max frame size) allowed by the filter
908 	 * entry or is an index into the Flow Meter Instance table
909 	 * index identifying the policer which will be used to police
910 	 * it.
911 	 */
912 	__le16	fm_inst_table_index;
913 	__le16	msdu;
914 	__le16	sg_inst_table_index;
915 		u8	res1[2];
916 	__le32	input_ports;
917 		u8	res2[3];
918 		u8	en;
919 };
920 
921 /* class 8, command 2 stream Filter Instance status query short format
922  * command no need structure define
923  * Stream Filter Instance Query Statistics Response data
924  */
925 struct sfi_counter_data {
926 	u32 matchl;
927 	u32 matchh;
928 	u32 msdu_dropl;
929 	u32 msdu_droph;
930 	u32 stream_gate_dropl;
931 	u32 stream_gate_droph;
932 	u32 flow_meter_dropl;
933 	u32 flow_meter_droph;
934 };
935 
936 #define ENETC_CBDR_SGI_OIPV_MASK 0x7
937 #define ENETC_CBDR_SGI_OIPV_EN	BIT(3)
938 #define ENETC_CBDR_SGI_CGTST	BIT(6)
939 #define ENETC_CBDR_SGI_OGTST	BIT(7)
940 #define ENETC_CBDR_SGI_CFG_CHG  BIT(1)
941 #define ENETC_CBDR_SGI_CFG_PND  BIT(2)
942 #define ENETC_CBDR_SGI_OEX		BIT(4)
943 #define ENETC_CBDR_SGI_OEXEN	BIT(5)
944 #define ENETC_CBDR_SGI_IRX		BIT(6)
945 #define ENETC_CBDR_SGI_IRXEN	BIT(7)
946 #define ENETC_CBDR_SGI_ACLLEN_MASK 0x3
947 #define ENETC_CBDR_SGI_OCLLEN_MASK 0xc
948 #define	ENETC_CBDR_SGI_EN		BIT(7)
949 /* class 9, command 0, Stream Gate Instance Table, Short Format
950  * class 9, command 2, Stream Gate Instance Table entry query write back
951  * Short Format
952  */
953 struct sgi_table {
954 	u8	res[8];
955 	u8	oipv;
956 	u8	res0[2];
957 	u8	ocgtst;
958 	u8	res1[7];
959 	u8	gset;
960 	u8	oacl_len;
961 	u8	res2[2];
962 	u8	en;
963 };
964 
965 #define ENETC_CBDR_SGI_AIPV_MASK 0x7
966 #define ENETC_CBDR_SGI_AIPV_EN	BIT(3)
967 #define ENETC_CBDR_SGI_AGTST	BIT(7)
968 
969 /* class 9, command 1, Stream Gate Control List, Long Format */
970 struct sgcl_conf {
971 	u8	aipv;
972 	u8	res[2];
973 	u8	agtst;
974 	u8	res1[4];
975 	union {
976 		struct {
977 			u8 res2[4];
978 			u8 acl_len;
979 			u8 res3[3];
980 		};
981 		u8 cct[8]; /* Config change time */
982 	};
983 };
984 
985 #define ENETC_CBDR_SGL_IOMEN	BIT(0)
986 #define ENETC_CBDR_SGL_IPVEN	BIT(3)
987 #define ENETC_CBDR_SGL_GTST		BIT(4)
988 #define ENETC_CBDR_SGL_IPV_MASK 0xe
989 /* Stream Gate Control List Entry */
990 struct sgce {
991 	u32	interval;
992 	u8	msdu[3];
993 	u8	multi;
994 };
995 
996 /* stream control list class 9 , cmd 1 data buffer */
997 struct sgcl_data {
998 	u32		btl;
999 	u32		bth;
1000 	u32		ct;
1001 	u32		cte;
1002 	struct sgce	sgcl[];
1003 };
1004 
1005 #define ENETC_CBDR_FMI_MR	BIT(0)
1006 #define ENETC_CBDR_FMI_MREN	BIT(1)
1007 #define ENETC_CBDR_FMI_DOY	BIT(2)
1008 #define	ENETC_CBDR_FMI_CM	BIT(3)
1009 #define ENETC_CBDR_FMI_CF	BIT(4)
1010 #define ENETC_CBDR_FMI_NDOR	BIT(5)
1011 #define ENETC_CBDR_FMI_OALEN	BIT(6)
1012 #define ENETC_CBDR_FMI_IRFPP_MASK GENMASK(4, 0)
1013 
1014 /* class 10: command 0/1, Flow Meter Instance Set, short Format */
1015 struct fmi_conf {
1016 	__le32	cir;
1017 	__le32	cbs;
1018 	__le32	eir;
1019 	__le32	ebs;
1020 		u8	conf;
1021 		u8	res1;
1022 		u8	ir_fpp;
1023 		u8	res2[4];
1024 		u8	en;
1025 };
1026 
1027 struct enetc_cbd {
1028 	union{
1029 		struct sfi_conf sfi_conf;
1030 		struct sgi_table sgi_table;
1031 		struct fmi_conf fmi_conf;
1032 		struct {
1033 			__le32	addr[2];
1034 			union {
1035 				__le32	opt[4];
1036 				struct tgs_gcl_conf	gcl_conf;
1037 				struct streamid_conf	sid_set;
1038 				struct sgcl_conf	sgcl_conf;
1039 			};
1040 		};	/* Long format */
1041 		__le32 data[6];
1042 	};
1043 	__le16 index;
1044 	__le16 length;
1045 	u8 cmd;
1046 	u8 cls;
1047 	u8 _res;
1048 	u8 status_flags;
1049 };
1050 
1051 #define ENETC_CLK_400M		400000000ULL
1052 #define ENETC_CLK_333M		333000000ULL
1053 
1054 static inline u32 enetc_cycles_to_usecs(u32 cycles, u64 clk_freq)
1055 {
1056 	return (u32)div_u64(cycles * 1000000ULL, clk_freq);
1057 }
1058 
1059 static inline u32 enetc_usecs_to_cycles(u32 usecs, u64 clk_freq)
1060 {
1061 	return (u32)div_u64(usecs * clk_freq, 1000000ULL);
1062 }
1063 
1064 /* Port traffic class frame preemption register */
1065 #define ENETC_PTCFPR(n)			(0x1910 + (n) * 4) /* n = [0 ..7] */
1066 #define ENETC_PTCFPR_FPE		BIT(31)
1067 
1068 /* port time gating control register */
1069 #define ENETC_PTGCR			0x11a00
1070 #define ENETC_PTGCR_TGE			BIT(31)
1071 #define ENETC_PTGCR_TGPE		BIT(30)
1072 
1073 /* Port time gating capability register */
1074 #define ENETC_PTGCAPR			0x11a08
1075 #define ENETC_PTGCAPR_MAX_GCL_LEN_MASK	GENMASK(15, 0)
1076 
1077 /* Port time specific departure */
1078 #define ENETC_PTCTSDR(n)	(0x1210 + 4 * (n))
1079 #define ENETC_TSDE		BIT(31)
1080 
1081 /* PSFP setting */
1082 #define ENETC_PPSFPMR 0x11b00
1083 #define ENETC_PPSFPMR_PSFPEN BIT(0)
1084 #define ENETC_PPSFPMR_VS BIT(1)
1085 #define ENETC_PPSFPMR_PVC BIT(2)
1086 #define ENETC_PPSFPMR_PVZC BIT(3)
1087