1 /* SPDX-License-Identifier: (GPL-2.0+ OR BSD-3-Clause) */
2 /* Copyright 2017-2019 NXP */
3 
4 #include <linux/bitops.h>
5 
6 /* ENETC device IDs */
7 #define ENETC_DEV_ID_PF		0xe100
8 #define ENETC_DEV_ID_VF		0xef00
9 #define ENETC_DEV_ID_PTP	0xee02
10 
11 /* ENETC register block BAR */
12 #define ENETC_BAR_REGS	0
13 
14 /** SI regs, offset: 0h */
15 #define ENETC_SIMR	0
16 #define ENETC_SIMR_EN	BIT(31)
17 #define ENETC_SIMR_RSSE	BIT(0)
18 #define ENETC_SICTR0	0x18
19 #define ENETC_SICTR1	0x1c
20 #define ENETC_SIPCAPR0	0x20
21 #define ENETC_SIPCAPR0_PSFP	BIT(9)
22 #define ENETC_SIPCAPR0_RSS	BIT(8)
23 #define ENETC_SIPCAPR0_QBV	BIT(4)
24 #define ENETC_SIPCAPR0_QBU	BIT(3)
25 #define ENETC_SIPCAPR1	0x24
26 #define ENETC_SITGTGR	0x30
27 #define ENETC_SIRBGCR	0x38
28 /* cache attribute registers for transactions initiated by ENETC */
29 #define ENETC_SICAR0	0x40
30 #define ENETC_SICAR1	0x44
31 #define ENETC_SICAR2	0x48
32 /* rd snoop, no alloc
33  * wr snoop, no alloc, partial cache line update for BDs and full cache line
34  * update for data
35  */
36 #define ENETC_SICAR_RD_COHERENT	0x2b2b0000
37 #define ENETC_SICAR_WR_COHERENT	0x00006727
38 #define ENETC_SICAR_MSI	0x00300030 /* rd/wr device, no snoop, no alloc */
39 
40 #define ENETC_SIPMAR0	0x80
41 #define ENETC_SIPMAR1	0x84
42 
43 /* VF-PF Message passing */
44 #define ENETC_DEFAULT_MSG_SIZE	1024	/* and max size */
45 /* msg size encoding: default and max msg value of 1024B encoded as 0 */
enetc_vsi_set_msize(u32 size)46 static inline u32 enetc_vsi_set_msize(u32 size)
47 {
48 	return size < ENETC_DEFAULT_MSG_SIZE ? size >> 5 : 0;
49 }
50 
51 #define ENETC_PSIMSGRR	0x204
52 #define ENETC_PSIMSGRR_MR_MASK	GENMASK(2, 1)
53 #define ENETC_PSIMSGRR_MR(n) BIT((n) + 1) /* n = VSI index */
54 #define ENETC_PSIVMSGRCVAR0(n)	(0x210 + (n) * 0x8) /* n = VSI index */
55 #define ENETC_PSIVMSGRCVAR1(n)	(0x214 + (n) * 0x8)
56 
57 #define ENETC_VSIMSGSR	0x204	/* RO */
58 #define ENETC_VSIMSGSR_MB	BIT(0)
59 #define ENETC_VSIMSGSR_MS	BIT(1)
60 #define ENETC_VSIMSGSNDAR0	0x210
61 #define ENETC_VSIMSGSNDAR1	0x214
62 
63 #define ENETC_SIMSGSR_SET_MC(val) ((val) << 16)
64 #define ENETC_SIMSGSR_GET_MC(val) ((val) >> 16)
65 
66 /* SI statistics */
67 #define ENETC_SIROCT	0x300
68 #define ENETC_SIRFRM	0x308
69 #define ENETC_SIRUCA	0x310
70 #define ENETC_SIRMCA	0x318
71 #define ENETC_SITOCT	0x320
72 #define ENETC_SITFRM	0x328
73 #define ENETC_SITUCA	0x330
74 #define ENETC_SITMCA	0x338
75 #define ENETC_RBDCR(n)	(0x8180 + (n) * 0x200)
76 
77 /* Control BDR regs */
78 #define ENETC_SICBDRMR		0x800
79 #define ENETC_SICBDRSR		0x804	/* RO */
80 #define ENETC_SICBDRBAR0	0x810
81 #define ENETC_SICBDRBAR1	0x814
82 #define ENETC_SICBDRPIR		0x818
83 #define ENETC_SICBDRCIR		0x81c
84 #define ENETC_SICBDRLENR	0x820
85 
86 #define ENETC_SICAPR0	0x900
87 #define ENETC_SICAPR1	0x904
88 
89 #define ENETC_PSIIER	0xa00
90 #define ENETC_PSIIER_MR_MASK	GENMASK(2, 1)
91 #define ENETC_PSIIDR	0xa08
92 #define ENETC_SITXIDR	0xa18
93 #define ENETC_SIRXIDR	0xa28
94 #define ENETC_SIMSIVR	0xa30
95 
96 #define ENETC_SIMSITRV(n) (0xB00 + (n) * 0x4)
97 #define ENETC_SIMSIRRV(n) (0xB80 + (n) * 0x4)
98 
99 #define ENETC_SIUEFDCR	0xe28
100 
101 #define ENETC_SIRFSCAPR	0x1200
102 #define ENETC_SIRFSCAPR_GET_NUM_RFS(val) ((val) & 0x7f)
103 #define ENETC_SIRSSCAPR	0x1600
104 #define ENETC_SIRSSCAPR_GET_NUM_RSS(val) (BIT((val) & 0xf) * 32)
105 
106 /** SI BDR sub-blocks, n = 0..7 */
107 enum enetc_bdr_type {TX, RX};
108 #define ENETC_BDR_OFF(i)	((i) * 0x200)
109 #define ENETC_BDR(t, i, r)	(0x8000 + (t) * 0x100 + ENETC_BDR_OFF(i) + (r))
110 /* RX BDR reg offsets */
111 #define ENETC_RBMR	0
112 #define ENETC_RBMR_BDS	BIT(2)
113 #define ENETC_RBMR_CM	BIT(4)
114 #define ENETC_RBMR_VTE	BIT(5)
115 #define ENETC_RBMR_EN	BIT(31)
116 #define ENETC_RBSR	0x4
117 #define ENETC_RBBSR	0x8
118 #define ENETC_RBCIR	0xc
119 #define ENETC_RBBAR0	0x10
120 #define ENETC_RBBAR1	0x14
121 #define ENETC_RBPIR	0x18
122 #define ENETC_RBLENR	0x20
123 #define ENETC_RBIER	0xa0
124 #define ENETC_RBIER_RXTIE	BIT(0)
125 #define ENETC_RBIDR	0xa4
126 #define ENETC_RBICR0	0xa8
127 #define ENETC_RBICR0_ICEN		BIT(31)
128 #define ENETC_RBICR0_ICPT_MASK		0x1ff
129 #define ENETC_RBICR0_SET_ICPT(n)	((n) & ENETC_RBICR0_ICPT_MASK)
130 #define ENETC_RBICR1	0xac
131 
132 /* TX BDR reg offsets */
133 #define ENETC_TBMR	0
134 #define ENETC_TBSR_BUSY	BIT(0)
135 #define ENETC_TBMR_VIH	BIT(9)
136 #define ENETC_TBMR_PRIO_MASK		GENMASK(2, 0)
137 #define ENETC_TBMR_SET_PRIO(val)	((val) & ENETC_TBMR_PRIO_MASK)
138 #define ENETC_TBMR_EN	BIT(31)
139 #define ENETC_TBSR	0x4
140 #define ENETC_TBBAR0	0x10
141 #define ENETC_TBBAR1	0x14
142 #define ENETC_TBPIR	0x18
143 #define ENETC_TBCIR	0x1c
144 #define ENETC_TBCIR_IDX_MASK	0xffff
145 #define ENETC_TBLENR	0x20
146 #define ENETC_TBIER	0xa0
147 #define ENETC_TBIER_TXTIE	BIT(0)
148 #define ENETC_TBIDR	0xa4
149 #define ENETC_TBICR0	0xa8
150 #define ENETC_TBICR0_ICEN		BIT(31)
151 #define ENETC_TBICR0_ICPT_MASK		0xf
152 #define ENETC_TBICR0_SET_ICPT(n) ((ilog2(n) + 1) & ENETC_TBICR0_ICPT_MASK)
153 #define ENETC_TBICR1	0xac
154 
155 #define ENETC_RTBLENR_LEN(n)	((n) & ~0x7)
156 
157 /* Port regs, offset: 1_0000h */
158 #define ENETC_PORT_BASE		0x10000
159 #define ENETC_PMR		0x0000
160 #define ENETC_PMR_EN	GENMASK(18, 16)
161 #define ENETC_PMR_PSPEED_MASK GENMASK(11, 8)
162 #define ENETC_PMR_PSPEED_10M	0
163 #define ENETC_PMR_PSPEED_100M	BIT(8)
164 #define ENETC_PMR_PSPEED_1000M	BIT(9)
165 #define ENETC_PMR_PSPEED_2500M	BIT(10)
166 #define ENETC_PSR		0x0004 /* RO */
167 #define ENETC_PSIPMR		0x0018
168 #define ENETC_PSIPMR_SET_UP(n)	BIT(n) /* n = SI index */
169 #define ENETC_PSIPMR_SET_MP(n)	BIT((n) + 16)
170 #define ENETC_PSIPVMR		0x001c
171 #define ENETC_VLAN_PROMISC_MAP_ALL	0x7
172 #define ENETC_PSIPVMR_SET_VP(simap)	((simap) & 0x7)
173 #define ENETC_PSIPVMR_SET_VUTA(simap)	(((simap) & 0x7) << 16)
174 #define ENETC_PSIPMAR0(n)	(0x0100 + (n) * 0x8) /* n = SI index */
175 #define ENETC_PSIPMAR1(n)	(0x0104 + (n) * 0x8)
176 #define ENETC_PVCLCTR		0x0208
177 #define ENETC_PCVLANR1		0x0210
178 #define ENETC_PCVLANR2		0x0214
179 #define ENETC_VLAN_TYPE_C	BIT(0)
180 #define ENETC_VLAN_TYPE_S	BIT(1)
181 #define ENETC_PVCLCTR_OVTPIDL(bmp)	((bmp) & 0xff) /* VLAN_TYPE */
182 #define ENETC_PSIVLANR(n)	(0x0240 + (n) * 4) /* n = SI index */
183 #define ENETC_PSIVLAN_EN	BIT(31)
184 #define ENETC_PSIVLAN_SET_QOS(val)	((u32)(val) << 12)
185 #define ENETC_PPAUONTR		0x0410
186 #define ENETC_PPAUOFFTR		0x0414
187 #define ENETC_PTXMBAR		0x0608
188 #define ENETC_PCAPR0		0x0900
189 #define ENETC_PCAPR0_RXBDR(val)	((val) >> 24)
190 #define ENETC_PCAPR0_TXBDR(val)	(((val) >> 16) & 0xff)
191 #define ENETC_PCAPR1		0x0904
192 #define ENETC_PSICFGR0(n)	(0x0940 + (n) * 0xc)  /* n = SI index */
193 #define ENETC_PSICFGR0_SET_TXBDR(val)	((val) & 0xff)
194 #define ENETC_PSICFGR0_SET_RXBDR(val)	(((val) & 0xff) << 16)
195 #define ENETC_PSICFGR0_VTE	BIT(12)
196 #define ENETC_PSICFGR0_SIVIE	BIT(14)
197 #define ENETC_PSICFGR0_ASE	BIT(15)
198 #define ENETC_PSICFGR0_SIVC(bmp)	(((bmp) & 0xff) << 24) /* VLAN_TYPE */
199 
200 #define ENETC_PTCCBSR0(n)	(0x1110 + (n) * 8) /* n = 0 to 7*/
201 #define ENETC_CBSE		BIT(31)
202 #define ENETC_CBS_BW_MASK	GENMASK(6, 0)
203 #define ENETC_PTCCBSR1(n)	(0x1114 + (n) * 8) /* n = 0 to 7*/
204 #define ENETC_RSSHASH_KEY_SIZE	40
205 #define ENETC_PRSSCAPR		0x1404
206 #define ENETC_PRSSCAPR_GET_NUM_RSS(val)	(BIT((val) & 0xf) * 32)
207 #define ENETC_PRSSK(n)		(0x1410 + (n) * 4) /* n = [0..9] */
208 #define ENETC_PSIVLANFMR	0x1700
209 #define ENETC_PSIVLANFMR_VS	BIT(0)
210 #define ENETC_PRFSMR		0x1800
211 #define ENETC_PRFSMR_RFSE	BIT(31)
212 #define ENETC_PRFSCAPR		0x1804
213 #define ENETC_PRFSCAPR_GET_NUM_RFS(val)	((((val) & 0xf) + 1) * 16)
214 #define ENETC_PSIRFSCFGR(n)	(0x1814 + (n) * 4) /* n = SI index */
215 #define ENETC_PFPMR		0x1900
216 #define ENETC_PFPMR_PMACE	BIT(1)
217 #define ENETC_EMDIO_BASE	0x1c00
218 #define ENETC_PSIUMHFR0(n, err)	(((err) ? 0x1d08 : 0x1d00) + (n) * 0x10)
219 #define ENETC_PSIUMHFR1(n)	(0x1d04 + (n) * 0x10)
220 #define ENETC_PSIMMHFR0(n, err)	(((err) ? 0x1d00 : 0x1d08) + (n) * 0x10)
221 #define ENETC_PSIMMHFR1(n)	(0x1d0c + (n) * 0x10)
222 #define ENETC_PSIVHFR0(n)	(0x1e00 + (n) * 8) /* n = SI index */
223 #define ENETC_PSIVHFR1(n)	(0x1e04 + (n) * 8) /* n = SI index */
224 #define ENETC_MMCSR		0x1f00
225 #define ENETC_MMCSR_LINK_FAIL	BIT(31)
226 #define ENETC_MMCSR_VT_MASK	GENMASK(29, 23) /* Verify Time */
227 #define ENETC_MMCSR_VT(x)	(((x) << 23) & ENETC_MMCSR_VT_MASK)
228 #define ENETC_MMCSR_GET_VT(x)	(((x) & ENETC_MMCSR_VT_MASK) >> 23)
229 #define ENETC_MMCSR_TXSTS_MASK	GENMASK(22, 21) /* Merge Status */
230 #define ENETC_MMCSR_GET_TXSTS(x) (((x) & ENETC_MMCSR_TXSTS_MASK) >> 21)
231 #define ENETC_MMCSR_VSTS_MASK	GENMASK(20, 18) /* Verify Status */
232 #define ENETC_MMCSR_GET_VSTS(x) (((x) & ENETC_MMCSR_VSTS_MASK) >> 18)
233 #define ENETC_MMCSR_VDIS	BIT(17) /* Verify Disabled */
234 #define ENETC_MMCSR_ME		BIT(16) /* Merge Enabled */
235 #define ENETC_MMCSR_RAFS_MASK	GENMASK(9, 8) /* Remote Additional Fragment Size */
236 #define ENETC_MMCSR_RAFS(x)	(((x) << 8) & ENETC_MMCSR_RAFS_MASK)
237 #define ENETC_MMCSR_GET_RAFS(x)	(((x) & ENETC_MMCSR_RAFS_MASK) >> 8)
238 #define ENETC_MMCSR_LAFS_MASK	GENMASK(4, 3) /* Local Additional Fragment Size */
239 #define ENETC_MMCSR_GET_LAFS(x)	(((x) & ENETC_MMCSR_LAFS_MASK) >> 3)
240 #define ENETC_MMCSR_LPA		BIT(2) /* Local Preemption Active */
241 #define ENETC_MMCSR_LPE		BIT(1) /* Local Preemption Enabled */
242 #define ENETC_MMCSR_LPS		BIT(0) /* Local Preemption Supported */
243 #define ENETC_MMFAECR		0x1f08
244 #define ENETC_MMFSECR		0x1f0c
245 #define ENETC_MMFAOCR		0x1f10
246 #define ENETC_MMFCRXR		0x1f14
247 #define ENETC_MMFCTXR		0x1f18
248 #define ENETC_MMHCR		0x1f1c
249 #define ENETC_PTCMSDUR(n)	(0x2020 + (n) * 4) /* n = TC index [0..7] */
250 
251 #define ENETC_PMAC_OFFSET	0x1000
252 
253 #define ENETC_PM0_CMD_CFG	0x8008
254 #define ENETC_PM0_TX_EN		BIT(0)
255 #define ENETC_PM0_RX_EN		BIT(1)
256 #define ENETC_PM0_PROMISC	BIT(4)
257 #define ENETC_PM0_PAUSE_IGN	BIT(8)
258 #define ENETC_PM0_CMD_XGLP	BIT(10)
259 #define ENETC_PM0_CMD_TXP	BIT(11)
260 #define ENETC_PM0_CMD_PHY_TX_EN	BIT(15)
261 #define ENETC_PM0_CMD_SFD	BIT(21)
262 #define ENETC_PM0_MAXFRM	0x8014
263 #define ENETC_SET_TX_MTU(val)	((val) << 16)
264 #define ENETC_SET_MAXFRM(val)	((val) & 0xffff)
265 #define ENETC_PM0_RX_FIFO	0x801c
266 #define ENETC_PM0_RX_FIFO_VAL	1
267 
268 #define ENETC_PM_IMDIO_BASE	0x8030
269 
270 #define ENETC_PM0_PAUSE_QUANTA	0x8054
271 #define ENETC_PM0_PAUSE_THRESH	0x8064
272 
273 #define ENETC_PM0_SINGLE_STEP		0x80c0
274 #define ENETC_PM0_SINGLE_STEP_CH	BIT(7)
275 #define ENETC_PM0_SINGLE_STEP_EN	BIT(31)
276 #define ENETC_SET_SINGLE_STEP_OFFSET(v)	(((v) & 0xff) << 8)
277 
278 #define ENETC_PM0_IF_MODE	0x8300
279 #define ENETC_PM0_IFM_RG	BIT(2)
280 #define ENETC_PM0_IFM_RLP	(BIT(5) | BIT(11))
281 #define ENETC_PM0_IFM_EN_AUTO	BIT(15)
282 #define ENETC_PM0_IFM_SSP_MASK	GENMASK(14, 13)
283 #define ENETC_PM0_IFM_SSP_1000	(2 << 13)
284 #define ENETC_PM0_IFM_SSP_100	(0 << 13)
285 #define ENETC_PM0_IFM_SSP_10	(1 << 13)
286 #define ENETC_PM0_IFM_FULL_DPX	BIT(12)
287 #define ENETC_PM0_IFM_IFMODE_MASK GENMASK(1, 0)
288 #define ENETC_PM0_IFM_IFMODE_XGMII 0
289 #define ENETC_PM0_IFM_IFMODE_GMII 2
290 #define ENETC_PSIDCAPR		0x1b08
291 #define ENETC_PSIDCAPR_MSK	GENMASK(15, 0)
292 #define ENETC_PSFCAPR		0x1b18
293 #define ENETC_PSFCAPR_MSK	GENMASK(15, 0)
294 #define ENETC_PSGCAPR		0x1b28
295 #define ENETC_PSGCAPR_GCL_MSK	GENMASK(18, 16)
296 #define ENETC_PSGCAPR_SGIT_MSK	GENMASK(15, 0)
297 #define ENETC_PFMCAPR		0x1b38
298 #define ENETC_PFMCAPR_MSK	GENMASK(15, 0)
299 
300 /* Port MAC counters: Port MAC 0 corresponds to the eMAC and
301  * Port MAC 1 to the pMAC.
302  */
303 #define ENETC_PM_REOCT(mac)	(0x8100 + ENETC_PMAC_OFFSET * (mac))
304 #define ENETC_PM_RALN(mac)	(0x8110 + ENETC_PMAC_OFFSET * (mac))
305 #define ENETC_PM_RXPF(mac)	(0x8118 + ENETC_PMAC_OFFSET * (mac))
306 #define ENETC_PM_RFRM(mac)	(0x8120 + ENETC_PMAC_OFFSET * (mac))
307 #define ENETC_PM_RFCS(mac)	(0x8128 + ENETC_PMAC_OFFSET * (mac))
308 #define ENETC_PM_RVLAN(mac)	(0x8130 + ENETC_PMAC_OFFSET * (mac))
309 #define ENETC_PM_RERR(mac)	(0x8138 + ENETC_PMAC_OFFSET * (mac))
310 #define ENETC_PM_RUCA(mac)	(0x8140 + ENETC_PMAC_OFFSET * (mac))
311 #define ENETC_PM_RMCA(mac)	(0x8148 + ENETC_PMAC_OFFSET * (mac))
312 #define ENETC_PM_RBCA(mac)	(0x8150 + ENETC_PMAC_OFFSET * (mac))
313 #define ENETC_PM_RDRP(mac)	(0x8158 + ENETC_PMAC_OFFSET * (mac))
314 #define ENETC_PM_RPKT(mac)	(0x8160 + ENETC_PMAC_OFFSET * (mac))
315 #define ENETC_PM_RUND(mac)	(0x8168 + ENETC_PMAC_OFFSET * (mac))
316 #define ENETC_PM_R64(mac)	(0x8170 + ENETC_PMAC_OFFSET * (mac))
317 #define ENETC_PM_R127(mac)	(0x8178 + ENETC_PMAC_OFFSET * (mac))
318 #define ENETC_PM_R255(mac)	(0x8180 + ENETC_PMAC_OFFSET * (mac))
319 #define ENETC_PM_R511(mac)	(0x8188 + ENETC_PMAC_OFFSET * (mac))
320 #define ENETC_PM_R1023(mac)	(0x8190 + ENETC_PMAC_OFFSET * (mac))
321 #define ENETC_PM_R1522(mac)	(0x8198 + ENETC_PMAC_OFFSET * (mac))
322 #define ENETC_PM_R1523X(mac)	(0x81A0 + ENETC_PMAC_OFFSET * (mac))
323 #define ENETC_PM_ROVR(mac)	(0x81A8 + ENETC_PMAC_OFFSET * (mac))
324 #define ENETC_PM_RJBR(mac)	(0x81B0 + ENETC_PMAC_OFFSET * (mac))
325 #define ENETC_PM_RFRG(mac)	(0x81B8 + ENETC_PMAC_OFFSET * (mac))
326 #define ENETC_PM_RCNP(mac)	(0x81C0 + ENETC_PMAC_OFFSET * (mac))
327 #define ENETC_PM_RDRNTP(mac)	(0x81C8 + ENETC_PMAC_OFFSET * (mac))
328 #define ENETC_PM_TEOCT(mac)	(0x8200 + ENETC_PMAC_OFFSET * (mac))
329 #define ENETC_PM_TOCT(mac)	(0x8208 + ENETC_PMAC_OFFSET * (mac))
330 #define ENETC_PM_TCRSE(mac)	(0x8210 + ENETC_PMAC_OFFSET * (mac))
331 #define ENETC_PM_TXPF(mac)	(0x8218 + ENETC_PMAC_OFFSET * (mac))
332 #define ENETC_PM_TFRM(mac)	(0x8220 + ENETC_PMAC_OFFSET * (mac))
333 #define ENETC_PM_TFCS(mac)	(0x8228 + ENETC_PMAC_OFFSET * (mac))
334 #define ENETC_PM_TVLAN(mac)	(0x8230 + ENETC_PMAC_OFFSET * (mac))
335 #define ENETC_PM_TERR(mac)	(0x8238 + ENETC_PMAC_OFFSET * (mac))
336 #define ENETC_PM_TUCA(mac)	(0x8240 + ENETC_PMAC_OFFSET * (mac))
337 #define ENETC_PM_TMCA(mac)	(0x8248 + ENETC_PMAC_OFFSET * (mac))
338 #define ENETC_PM_TBCA(mac)	(0x8250 + ENETC_PMAC_OFFSET * (mac))
339 #define ENETC_PM_TPKT(mac)	(0x8260 + ENETC_PMAC_OFFSET * (mac))
340 #define ENETC_PM_TUND(mac)	(0x8268 + ENETC_PMAC_OFFSET * (mac))
341 #define ENETC_PM_T64(mac)	(0x8270 + ENETC_PMAC_OFFSET * (mac))
342 #define ENETC_PM_T127(mac)	(0x8278 + ENETC_PMAC_OFFSET * (mac))
343 #define ENETC_PM_T255(mac)	(0x8280 + ENETC_PMAC_OFFSET * (mac))
344 #define ENETC_PM_T511(mac)	(0x8288 + ENETC_PMAC_OFFSET * (mac))
345 #define ENETC_PM_T1023(mac)	(0x8290 + ENETC_PMAC_OFFSET * (mac))
346 #define ENETC_PM_T1522(mac)	(0x8298 + ENETC_PMAC_OFFSET * (mac))
347 #define ENETC_PM_T1523X(mac)	(0x82A0 + ENETC_PMAC_OFFSET * (mac))
348 #define ENETC_PM_TCNP(mac)	(0x82C0 + ENETC_PMAC_OFFSET * (mac))
349 #define ENETC_PM_TDFR(mac)	(0x82D0 + ENETC_PMAC_OFFSET * (mac))
350 #define ENETC_PM_TMCOL(mac)	(0x82D8 + ENETC_PMAC_OFFSET * (mac))
351 #define ENETC_PM_TSCOL(mac)	(0x82E0 + ENETC_PMAC_OFFSET * (mac))
352 #define ENETC_PM_TLCOL(mac)	(0x82E8 + ENETC_PMAC_OFFSET * (mac))
353 #define ENETC_PM_TECOL(mac)	(0x82F0 + ENETC_PMAC_OFFSET * (mac))
354 
355 /* Port counters */
356 #define ENETC_PICDR(n)		(0x0700 + (n) * 8) /* n = [0..3] */
357 #define ENETC_PBFDSIR		0x0810
358 #define ENETC_PFDMSAPR		0x0814
359 #define ENETC_UFDMF		0x1680
360 #define ENETC_MFDMF		0x1684
361 #define ENETC_PUFDVFR		0x1780
362 #define ENETC_PMFDVFR		0x1784
363 #define ENETC_PBFDVFR		0x1788
364 
365 /** Global regs, offset: 2_0000h */
366 #define ENETC_GLOBAL_BASE	0x20000
367 #define ENETC_G_EIPBRR0		0x0bf8
368 #define ENETC_G_EIPBRR1		0x0bfc
369 #define ENETC_G_EPFBLPR(n)	(0xd00 + 4 * (n))
370 #define ENETC_G_EPFBLPR1_XGMII	0x80000000
371 
372 /* PCI device info */
373 struct enetc_hw {
374 	/* SI registers, used by all PCI functions */
375 	void __iomem *reg;
376 	/* Port registers, PF only */
377 	void __iomem *port;
378 	/* IP global registers, PF only */
379 	void __iomem *global;
380 };
381 
382 /* ENETC register accessors */
383 
384 /* MDIO issue workaround (on LS1028A) -
385  * Due to a hardware issue, an access to MDIO registers
386  * that is concurrent with other ENETC register accesses
387  * may lead to the MDIO access being dropped or corrupted.
388  * To protect the MDIO accesses a readers-writers locking
389  * scheme is used, where the MDIO register accesses are
390  * protected by write locks to insure exclusivity, while
391  * the remaining ENETC registers are accessed under read
392  * locks since they only compete with MDIO accesses.
393  */
394 extern rwlock_t enetc_mdio_lock;
395 
396 /* use this locking primitive only on the fast datapath to
397  * group together multiple non-MDIO register accesses to
398  * minimize the overhead of the lock
399  */
enetc_lock_mdio(void)400 static inline void enetc_lock_mdio(void)
401 {
402 	read_lock(&enetc_mdio_lock);
403 }
404 
enetc_unlock_mdio(void)405 static inline void enetc_unlock_mdio(void)
406 {
407 	read_unlock(&enetc_mdio_lock);
408 }
409 
410 /* use these accessors only on the fast datapath under
411  * the enetc_lock_mdio() locking primitive to minimize
412  * the overhead of the lock
413  */
enetc_rd_reg_hot(void __iomem * reg)414 static inline u32 enetc_rd_reg_hot(void __iomem *reg)
415 {
416 	lockdep_assert_held(&enetc_mdio_lock);
417 
418 	return ioread32(reg);
419 }
420 
enetc_wr_reg_hot(void __iomem * reg,u32 val)421 static inline void enetc_wr_reg_hot(void __iomem *reg, u32 val)
422 {
423 	lockdep_assert_held(&enetc_mdio_lock);
424 
425 	iowrite32(val, reg);
426 }
427 
428 /* internal helpers for the MDIO w/a */
_enetc_rd_reg_wa(void __iomem * reg)429 static inline u32 _enetc_rd_reg_wa(void __iomem *reg)
430 {
431 	u32 val;
432 
433 	enetc_lock_mdio();
434 	val = ioread32(reg);
435 	enetc_unlock_mdio();
436 
437 	return val;
438 }
439 
_enetc_wr_reg_wa(void __iomem * reg,u32 val)440 static inline void _enetc_wr_reg_wa(void __iomem *reg, u32 val)
441 {
442 	enetc_lock_mdio();
443 	iowrite32(val, reg);
444 	enetc_unlock_mdio();
445 }
446 
_enetc_rd_mdio_reg_wa(void __iomem * reg)447 static inline u32 _enetc_rd_mdio_reg_wa(void __iomem *reg)
448 {
449 	unsigned long flags;
450 	u32 val;
451 
452 	write_lock_irqsave(&enetc_mdio_lock, flags);
453 	val = ioread32(reg);
454 	write_unlock_irqrestore(&enetc_mdio_lock, flags);
455 
456 	return val;
457 }
458 
_enetc_wr_mdio_reg_wa(void __iomem * reg,u32 val)459 static inline void _enetc_wr_mdio_reg_wa(void __iomem *reg, u32 val)
460 {
461 	unsigned long flags;
462 
463 	write_lock_irqsave(&enetc_mdio_lock, flags);
464 	iowrite32(val, reg);
465 	write_unlock_irqrestore(&enetc_mdio_lock, flags);
466 }
467 
468 #ifdef ioread64
_enetc_rd_reg64(void __iomem * reg)469 static inline u64 _enetc_rd_reg64(void __iomem *reg)
470 {
471 	return ioread64(reg);
472 }
473 #else
474 /* using this to read out stats on 32b systems */
_enetc_rd_reg64(void __iomem * reg)475 static inline u64 _enetc_rd_reg64(void __iomem *reg)
476 {
477 	u32 low, high, tmp;
478 
479 	do {
480 		high = ioread32(reg + 4);
481 		low = ioread32(reg);
482 		tmp = ioread32(reg + 4);
483 	} while (high != tmp);
484 
485 	return le64_to_cpu((__le64)high << 32 | low);
486 }
487 #endif
488 
_enetc_rd_reg64_wa(void __iomem * reg)489 static inline u64 _enetc_rd_reg64_wa(void __iomem *reg)
490 {
491 	u64 val;
492 
493 	enetc_lock_mdio();
494 	val = _enetc_rd_reg64(reg);
495 	enetc_unlock_mdio();
496 
497 	return val;
498 }
499 
500 /* general register accessors */
501 #define enetc_rd_reg(reg)		_enetc_rd_reg_wa((reg))
502 #define enetc_wr_reg(reg, val)		_enetc_wr_reg_wa((reg), (val))
503 #define enetc_rd(hw, off)		enetc_rd_reg((hw)->reg + (off))
504 #define enetc_wr(hw, off, val)		enetc_wr_reg((hw)->reg + (off), val)
505 #define enetc_rd_hot(hw, off)		enetc_rd_reg_hot((hw)->reg + (off))
506 #define enetc_wr_hot(hw, off, val)	enetc_wr_reg_hot((hw)->reg + (off), val)
507 #define enetc_rd64(hw, off)		_enetc_rd_reg64_wa((hw)->reg + (off))
508 /* port register accessors - PF only */
509 #define enetc_port_rd(hw, off)		enetc_rd_reg((hw)->port + (off))
510 #define enetc_port_wr(hw, off, val)	enetc_wr_reg((hw)->port + (off), val)
511 #define enetc_port_rd_mdio(hw, off)	_enetc_rd_mdio_reg_wa((hw)->port + (off))
512 #define enetc_port_wr_mdio(hw, off, val)	_enetc_wr_mdio_reg_wa(\
513 							(hw)->port + (off), val)
514 /* global register accessors - PF only */
515 #define enetc_global_rd(hw, off)	enetc_rd_reg((hw)->global + (off))
516 #define enetc_global_wr(hw, off, val)	enetc_wr_reg((hw)->global + (off), val)
517 /* BDR register accessors, see ENETC_BDR() */
518 #define enetc_bdr_rd(hw, t, n, off) \
519 				enetc_rd(hw, ENETC_BDR(t, n, off))
520 #define enetc_bdr_wr(hw, t, n, off, val) \
521 				enetc_wr(hw, ENETC_BDR(t, n, off), val)
522 #define enetc_txbdr_rd(hw, n, off) enetc_bdr_rd(hw, TX, n, off)
523 #define enetc_rxbdr_rd(hw, n, off) enetc_bdr_rd(hw, RX, n, off)
524 #define enetc_txbdr_wr(hw, n, off, val) \
525 				enetc_bdr_wr(hw, TX, n, off, val)
526 #define enetc_rxbdr_wr(hw, n, off, val) \
527 				enetc_bdr_wr(hw, RX, n, off, val)
528 
529 /* Buffer Descriptors (BD) */
530 union enetc_tx_bd {
531 	struct {
532 		__le64 addr;
533 		__le16 buf_len;
534 		__le16 frm_len;
535 		union {
536 			struct {
537 				u8 reserved[3];
538 				u8 flags;
539 			}; /* default layout */
540 			__le32 txstart;
541 			__le32 lstatus;
542 		};
543 	};
544 	struct {
545 		__le32 tstamp;
546 		__le16 tpid;
547 		__le16 vid;
548 		u8 reserved[6];
549 		u8 e_flags;
550 		u8 flags;
551 	} ext; /* Tx BD extension */
552 	struct {
553 		__le32 tstamp;
554 		u8 reserved[10];
555 		u8 status;
556 		u8 flags;
557 	} wb; /* writeback descriptor */
558 };
559 
560 enum enetc_txbd_flags {
561 	ENETC_TXBD_FLAGS_RES0 = BIT(0), /* reserved */
562 	ENETC_TXBD_FLAGS_TSE = BIT(1),
563 	ENETC_TXBD_FLAGS_W = BIT(2),
564 	ENETC_TXBD_FLAGS_RES3 = BIT(3), /* reserved */
565 	ENETC_TXBD_FLAGS_TXSTART = BIT(4),
566 	ENETC_TXBD_FLAGS_EX = BIT(6),
567 	ENETC_TXBD_FLAGS_F = BIT(7)
568 };
569 #define ENETC_TXBD_STATS_WIN	BIT(7)
570 #define ENETC_TXBD_TXSTART_MASK GENMASK(24, 0)
571 #define ENETC_TXBD_FLAGS_OFFSET 24
572 
enetc_txbd_set_tx_start(u64 tx_start,u8 flags)573 static inline __le32 enetc_txbd_set_tx_start(u64 tx_start, u8 flags)
574 {
575 	u32 temp;
576 
577 	temp = (tx_start >> 5 & ENETC_TXBD_TXSTART_MASK) |
578 	       (flags << ENETC_TXBD_FLAGS_OFFSET);
579 
580 	return cpu_to_le32(temp);
581 }
582 
enetc_clear_tx_bd(union enetc_tx_bd * txbd)583 static inline void enetc_clear_tx_bd(union enetc_tx_bd *txbd)
584 {
585 	memset(txbd, 0, sizeof(*txbd));
586 }
587 
588 /* Extension flags */
589 #define ENETC_TXBD_E_FLAGS_VLAN_INS	BIT(0)
590 #define ENETC_TXBD_E_FLAGS_ONE_STEP_PTP	BIT(1)
591 #define ENETC_TXBD_E_FLAGS_TWO_STEP_PTP	BIT(2)
592 
593 union enetc_rx_bd {
594 	struct {
595 		__le64 addr;
596 		u8 reserved[8];
597 	} w;
598 	struct {
599 		__le16 inet_csum;
600 		__le16 parse_summary;
601 		__le32 rss_hash;
602 		__le16 buf_len;
603 		__le16 vlan_opt;
604 		union {
605 			struct {
606 				__le16 flags;
607 				__le16 error;
608 			};
609 			__le32 lstatus;
610 		};
611 	} r;
612 	struct {
613 		__le32 tstamp;
614 		u8 reserved[12];
615 	} ext;
616 };
617 
618 #define ENETC_RXBD_LSTATUS_R	BIT(30)
619 #define ENETC_RXBD_LSTATUS_F	BIT(31)
620 #define ENETC_RXBD_ERR_MASK	0xff
621 #define ENETC_RXBD_LSTATUS(flags)	((flags) << 16)
622 #define ENETC_RXBD_FLAG_VLAN	BIT(9)
623 #define ENETC_RXBD_FLAG_TSTMP	BIT(10)
624 #define ENETC_RXBD_FLAG_TPID	GENMASK(1, 0)
625 
626 #define ENETC_MAC_ADDR_FILT_CNT	8 /* # of supported entries per port */
627 #define EMETC_MAC_ADDR_FILT_RES	3 /* # of reserved entries at the beginning */
628 #define ENETC_MAX_NUM_VFS	2
629 
630 #define ENETC_CBD_FLAGS_SF	BIT(7) /* short format */
631 #define ENETC_CBD_STATUS_MASK	0xf
632 
633 struct enetc_cmd_rfse {
634 	u8 smac_h[6];
635 	u8 smac_m[6];
636 	u8 dmac_h[6];
637 	u8 dmac_m[6];
638 	__be32 sip_h[4];
639 	__be32 sip_m[4];
640 	__be32 dip_h[4];
641 	__be32 dip_m[4];
642 	u16 ethtype_h;
643 	u16 ethtype_m;
644 	u16 ethtype4_h;
645 	u16 ethtype4_m;
646 	u16 sport_h;
647 	u16 sport_m;
648 	u16 dport_h;
649 	u16 dport_m;
650 	u16 vlan_h;
651 	u16 vlan_m;
652 	u8 proto_h;
653 	u8 proto_m;
654 	u16 flags;
655 	u16 result;
656 	u16 mode;
657 };
658 
659 #define ENETC_RFSE_EN	BIT(15)
660 #define ENETC_RFSE_MODE_BD	2
661 
enetc_load_primary_mac_addr(struct enetc_hw * hw,struct net_device * ndev)662 static inline void enetc_load_primary_mac_addr(struct enetc_hw *hw,
663 					       struct net_device *ndev)
664 {
665 	u8 addr[ETH_ALEN] __aligned(4);
666 
667 	*(u32 *)addr = __raw_readl(hw->reg + ENETC_SIPMAR0);
668 	*(u16 *)(addr + 4) = __raw_readw(hw->reg + ENETC_SIPMAR1);
669 	eth_hw_addr_set(ndev, addr);
670 }
671 
672 #define ENETC_SI_INT_IDX	0
673 /* base index for Rx/Tx interrupts */
674 #define ENETC_BDR_INT_BASE_IDX	1
675 
676 /* Messaging */
677 
678 /* Command completion status */
679 enum enetc_msg_cmd_status {
680 	ENETC_MSG_CMD_STATUS_OK,
681 	ENETC_MSG_CMD_STATUS_FAIL
682 };
683 
684 /* VSI-PSI command message types */
685 enum enetc_msg_cmd_type {
686 	ENETC_MSG_CMD_MNG_MAC = 1, /* manage MAC address */
687 	ENETC_MSG_CMD_MNG_RX_MAC_FILTER,/* manage RX MAC table */
688 	ENETC_MSG_CMD_MNG_RX_VLAN_FILTER /* manage RX VLAN table */
689 };
690 
691 /* VSI-PSI command action types */
692 enum enetc_msg_cmd_action_type {
693 	ENETC_MSG_CMD_MNG_ADD = 1,
694 	ENETC_MSG_CMD_MNG_REMOVE
695 };
696 
697 /* PSI-VSI command header format */
698 struct enetc_msg_cmd_header {
699 	u16 type;	/* command class type */
700 	u16 id;		/* denotes the specific required action */
701 };
702 
703 /* Common H/W utility functions */
704 
enetc_bdr_enable_rxvlan(struct enetc_hw * hw,int idx,bool en)705 static inline void enetc_bdr_enable_rxvlan(struct enetc_hw *hw, int idx,
706 					   bool en)
707 {
708 	u32 val = enetc_rxbdr_rd(hw, idx, ENETC_RBMR);
709 
710 	val = (val & ~ENETC_RBMR_VTE) | (en ? ENETC_RBMR_VTE : 0);
711 	enetc_rxbdr_wr(hw, idx, ENETC_RBMR, val);
712 }
713 
enetc_bdr_enable_txvlan(struct enetc_hw * hw,int idx,bool en)714 static inline void enetc_bdr_enable_txvlan(struct enetc_hw *hw, int idx,
715 					   bool en)
716 {
717 	u32 val = enetc_txbdr_rd(hw, idx, ENETC_TBMR);
718 
719 	val = (val & ~ENETC_TBMR_VIH) | (en ? ENETC_TBMR_VIH : 0);
720 	enetc_txbdr_wr(hw, idx, ENETC_TBMR, val);
721 }
722 
enetc_set_bdr_prio(struct enetc_hw * hw,int bdr_idx,int prio)723 static inline void enetc_set_bdr_prio(struct enetc_hw *hw, int bdr_idx,
724 				      int prio)
725 {
726 	u32 val = enetc_txbdr_rd(hw, bdr_idx, ENETC_TBMR);
727 
728 	val &= ~ENETC_TBMR_PRIO_MASK;
729 	val |= ENETC_TBMR_SET_PRIO(prio);
730 	enetc_txbdr_wr(hw, bdr_idx, ENETC_TBMR, val);
731 }
732 
733 enum bdcr_cmd_class {
734 	BDCR_CMD_UNSPEC = 0,
735 	BDCR_CMD_MAC_FILTER,
736 	BDCR_CMD_VLAN_FILTER,
737 	BDCR_CMD_RSS,
738 	BDCR_CMD_RFS,
739 	BDCR_CMD_PORT_GCL,
740 	BDCR_CMD_RECV_CLASSIFIER,
741 	BDCR_CMD_STREAM_IDENTIFY,
742 	BDCR_CMD_STREAM_FILTER,
743 	BDCR_CMD_STREAM_GCL,
744 	BDCR_CMD_FLOW_METER,
745 	__BDCR_CMD_MAX_LEN,
746 	BDCR_CMD_MAX_LEN = __BDCR_CMD_MAX_LEN - 1,
747 };
748 
749 /* class 5, command 0 */
750 struct tgs_gcl_conf {
751 	u8	atc;	/* init gate value */
752 	u8	res[7];
753 	struct {
754 		u8	res1[4];
755 		__le16	acl_len;
756 		u8	res2[2];
757 	};
758 };
759 
760 /* gate control list entry */
761 struct gce {
762 	__le32	period;
763 	u8	gate;
764 	u8	res[3];
765 };
766 
767 /* tgs_gcl_conf address point to this data space */
768 struct tgs_gcl_data {
769 	__le32		btl;
770 	__le32		bth;
771 	__le32		ct;
772 	__le32		cte;
773 	struct gce	entry[];
774 };
775 
776 /* class 7, command 0, Stream Identity Entry Configuration */
777 struct streamid_conf {
778 	__le32	stream_handle;	/* init gate value */
779 	__le32	iports;
780 		u8	id_type;
781 		u8	oui[3];
782 		u8	res[3];
783 		u8	en;
784 };
785 
786 #define ENETC_CBDR_SID_VID_MASK 0xfff
787 #define ENETC_CBDR_SID_VIDM BIT(12)
788 #define ENETC_CBDR_SID_TG_MASK 0xc000
789 /* streamid_conf address point to this data space */
790 struct streamid_data {
791 	union {
792 		u8 dmac[6];
793 		u8 smac[6];
794 	};
795 	u16     vid_vidm_tg;
796 };
797 
798 #define ENETC_CBDR_SFI_PRI_MASK 0x7
799 #define ENETC_CBDR_SFI_PRIM		BIT(3)
800 #define ENETC_CBDR_SFI_BLOV		BIT(4)
801 #define ENETC_CBDR_SFI_BLEN		BIT(5)
802 #define ENETC_CBDR_SFI_MSDUEN	BIT(6)
803 #define ENETC_CBDR_SFI_FMITEN	BIT(7)
804 #define ENETC_CBDR_SFI_ENABLE	BIT(7)
805 /* class 8, command 0, Stream Filter Instance, Short Format */
806 struct sfi_conf {
807 	__le32	stream_handle;
808 		u8	multi;
809 		u8	res[2];
810 		u8	sthm;
811 	/* Max Service Data Unit or Flow Meter Instance Table index.
812 	 * Depending on the value of FLT this represents either Max
813 	 * Service Data Unit (max frame size) allowed by the filter
814 	 * entry or is an index into the Flow Meter Instance table
815 	 * index identifying the policer which will be used to police
816 	 * it.
817 	 */
818 	__le16	fm_inst_table_index;
819 	__le16	msdu;
820 	__le16	sg_inst_table_index;
821 		u8	res1[2];
822 	__le32	input_ports;
823 		u8	res2[3];
824 		u8	en;
825 };
826 
827 /* class 8, command 2 stream Filter Instance status query short format
828  * command no need structure define
829  * Stream Filter Instance Query Statistics Response data
830  */
831 struct sfi_counter_data {
832 	u32 matchl;
833 	u32 matchh;
834 	u32 msdu_dropl;
835 	u32 msdu_droph;
836 	u32 stream_gate_dropl;
837 	u32 stream_gate_droph;
838 	u32 flow_meter_dropl;
839 	u32 flow_meter_droph;
840 };
841 
842 #define ENETC_CBDR_SGI_OIPV_MASK 0x7
843 #define ENETC_CBDR_SGI_OIPV_EN	BIT(3)
844 #define ENETC_CBDR_SGI_CGTST	BIT(6)
845 #define ENETC_CBDR_SGI_OGTST	BIT(7)
846 #define ENETC_CBDR_SGI_CFG_CHG  BIT(1)
847 #define ENETC_CBDR_SGI_CFG_PND  BIT(2)
848 #define ENETC_CBDR_SGI_OEX		BIT(4)
849 #define ENETC_CBDR_SGI_OEXEN	BIT(5)
850 #define ENETC_CBDR_SGI_IRX		BIT(6)
851 #define ENETC_CBDR_SGI_IRXEN	BIT(7)
852 #define ENETC_CBDR_SGI_ACLLEN_MASK 0x3
853 #define ENETC_CBDR_SGI_OCLLEN_MASK 0xc
854 #define	ENETC_CBDR_SGI_EN		BIT(7)
855 /* class 9, command 0, Stream Gate Instance Table, Short Format
856  * class 9, command 2, Stream Gate Instance Table entry query write back
857  * Short Format
858  */
859 struct sgi_table {
860 	u8	res[8];
861 	u8	oipv;
862 	u8	res0[2];
863 	u8	ocgtst;
864 	u8	res1[7];
865 	u8	gset;
866 	u8	oacl_len;
867 	u8	res2[2];
868 	u8	en;
869 };
870 
871 #define ENETC_CBDR_SGI_AIPV_MASK 0x7
872 #define ENETC_CBDR_SGI_AIPV_EN	BIT(3)
873 #define ENETC_CBDR_SGI_AGTST	BIT(7)
874 
875 /* class 9, command 1, Stream Gate Control List, Long Format */
876 struct sgcl_conf {
877 	u8	aipv;
878 	u8	res[2];
879 	u8	agtst;
880 	u8	res1[4];
881 	union {
882 		struct {
883 			u8 res2[4];
884 			u8 acl_len;
885 			u8 res3[3];
886 		};
887 		u8 cct[8]; /* Config change time */
888 	};
889 };
890 
891 #define ENETC_CBDR_SGL_IOMEN	BIT(0)
892 #define ENETC_CBDR_SGL_IPVEN	BIT(3)
893 #define ENETC_CBDR_SGL_GTST		BIT(4)
894 #define ENETC_CBDR_SGL_IPV_MASK 0xe
895 /* Stream Gate Control List Entry */
896 struct sgce {
897 	u32	interval;
898 	u8	msdu[3];
899 	u8	multi;
900 };
901 
902 /* stream control list class 9 , cmd 1 data buffer */
903 struct sgcl_data {
904 	u32		btl;
905 	u32		bth;
906 	u32		ct;
907 	u32		cte;
908 	struct sgce	sgcl[];
909 };
910 
911 #define ENETC_CBDR_FMI_MR	BIT(0)
912 #define ENETC_CBDR_FMI_MREN	BIT(1)
913 #define ENETC_CBDR_FMI_DOY	BIT(2)
914 #define	ENETC_CBDR_FMI_CM	BIT(3)
915 #define ENETC_CBDR_FMI_CF	BIT(4)
916 #define ENETC_CBDR_FMI_NDOR	BIT(5)
917 #define ENETC_CBDR_FMI_OALEN	BIT(6)
918 #define ENETC_CBDR_FMI_IRFPP_MASK GENMASK(4, 0)
919 
920 /* class 10: command 0/1, Flow Meter Instance Set, short Format */
921 struct fmi_conf {
922 	__le32	cir;
923 	__le32	cbs;
924 	__le32	eir;
925 	__le32	ebs;
926 		u8	conf;
927 		u8	res1;
928 		u8	ir_fpp;
929 		u8	res2[4];
930 		u8	en;
931 };
932 
933 struct enetc_cbd {
934 	union{
935 		struct sfi_conf sfi_conf;
936 		struct sgi_table sgi_table;
937 		struct fmi_conf fmi_conf;
938 		struct {
939 			__le32	addr[2];
940 			union {
941 				__le32	opt[4];
942 				struct tgs_gcl_conf	gcl_conf;
943 				struct streamid_conf	sid_set;
944 				struct sgcl_conf	sgcl_conf;
945 			};
946 		};	/* Long format */
947 		__le32 data[6];
948 	};
949 	__le16 index;
950 	__le16 length;
951 	u8 cmd;
952 	u8 cls;
953 	u8 _res;
954 	u8 status_flags;
955 };
956 
957 #define ENETC_CLK  400000000ULL
enetc_cycles_to_usecs(u32 cycles)958 static inline u32 enetc_cycles_to_usecs(u32 cycles)
959 {
960 	return (u32)div_u64(cycles * 1000000ULL, ENETC_CLK);
961 }
962 
enetc_usecs_to_cycles(u32 usecs)963 static inline u32 enetc_usecs_to_cycles(u32 usecs)
964 {
965 	return (u32)div_u64(usecs * ENETC_CLK, 1000000ULL);
966 }
967 
968 /* port time gating control register */
969 #define ENETC_PTGCR			0x11a00
970 #define ENETC_PTGCR_TGE			BIT(31)
971 #define ENETC_PTGCR_TGPE		BIT(30)
972 
973 /* Port time gating capability register */
974 #define ENETC_PTGCAPR			0x11a08
975 #define ENETC_PTGCAPR_MAX_GCL_LEN_MASK	GENMASK(15, 0)
976 
977 /* Port time specific departure */
978 #define ENETC_PTCTSDR(n)	(0x1210 + 4 * (n))
979 #define ENETC_TSDE		BIT(31)
980 
981 /* PSFP setting */
982 #define ENETC_PPSFPMR 0x11b00
983 #define ENETC_PPSFPMR_PSFPEN BIT(0)
984 #define ENETC_PPSFPMR_VS BIT(1)
985 #define ENETC_PPSFPMR_PVC BIT(2)
986 #define ENETC_PPSFPMR_PVZC BIT(3)
987