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