1// SPDX-License-Identifier: (GPL-2.0 OR MIT)
2/*
3 * Microsemi Ocelot Switch driver
4 *
5 * Copyright (c) 2017 Microsemi Corporation
6 */
7#include <linux/interrupt.h>
8#include <linux/module.h>
9#include <linux/of_net.h>
10#include <linux/netdevice.h>
11#include <linux/of_mdio.h>
12#include <linux/of_platform.h>
13#include <linux/mfd/syscon.h>
14#include <linux/skbuff.h>
15#include <net/switchdev.h>
16
17#include <soc/mscc/ocelot_vcap.h>
18#include <soc/mscc/ocelot_hsio.h>
19#include "ocelot.h"
20
21#define IFH_EXTRACT_BITFIELD64(x, o, w) (((x) >> (o)) & GENMASK_ULL((w) - 1, 0))
22
23static const u32 ocelot_ana_regmap[] = {
24	REG(ANA_ADVLEARN,				0x009000),
25	REG(ANA_VLANMASK,				0x009004),
26	REG(ANA_PORT_B_DOMAIN,				0x009008),
27	REG(ANA_ANAGEFIL,				0x00900c),
28	REG(ANA_ANEVENTS,				0x009010),
29	REG(ANA_STORMLIMIT_BURST,			0x009014),
30	REG(ANA_STORMLIMIT_CFG,				0x009018),
31	REG(ANA_ISOLATED_PORTS,				0x009028),
32	REG(ANA_COMMUNITY_PORTS,			0x00902c),
33	REG(ANA_AUTOAGE,				0x009030),
34	REG(ANA_MACTOPTIONS,				0x009034),
35	REG(ANA_LEARNDISC,				0x009038),
36	REG(ANA_AGENCTRL,				0x00903c),
37	REG(ANA_MIRRORPORTS,				0x009040),
38	REG(ANA_EMIRRORPORTS,				0x009044),
39	REG(ANA_FLOODING,				0x009048),
40	REG(ANA_FLOODING_IPMC,				0x00904c),
41	REG(ANA_SFLOW_CFG,				0x009050),
42	REG(ANA_PORT_MODE,				0x009080),
43	REG(ANA_PGID_PGID,				0x008c00),
44	REG(ANA_TABLES_ANMOVED,				0x008b30),
45	REG(ANA_TABLES_MACHDATA,			0x008b34),
46	REG(ANA_TABLES_MACLDATA,			0x008b38),
47	REG(ANA_TABLES_MACACCESS,			0x008b3c),
48	REG(ANA_TABLES_MACTINDX,			0x008b40),
49	REG(ANA_TABLES_VLANACCESS,			0x008b44),
50	REG(ANA_TABLES_VLANTIDX,			0x008b48),
51	REG(ANA_TABLES_ISDXACCESS,			0x008b4c),
52	REG(ANA_TABLES_ISDXTIDX,			0x008b50),
53	REG(ANA_TABLES_ENTRYLIM,			0x008b00),
54	REG(ANA_TABLES_PTP_ID_HIGH,			0x008b54),
55	REG(ANA_TABLES_PTP_ID_LOW,			0x008b58),
56	REG(ANA_MSTI_STATE,				0x008e00),
57	REG(ANA_PORT_VLAN_CFG,				0x007000),
58	REG(ANA_PORT_DROP_CFG,				0x007004),
59	REG(ANA_PORT_QOS_CFG,				0x007008),
60	REG(ANA_PORT_VCAP_CFG,				0x00700c),
61	REG(ANA_PORT_VCAP_S1_KEY_CFG,			0x007010),
62	REG(ANA_PORT_VCAP_S2_CFG,			0x00701c),
63	REG(ANA_PORT_PCP_DEI_MAP,			0x007020),
64	REG(ANA_PORT_CPU_FWD_CFG,			0x007060),
65	REG(ANA_PORT_CPU_FWD_BPDU_CFG,			0x007064),
66	REG(ANA_PORT_CPU_FWD_GARP_CFG,			0x007068),
67	REG(ANA_PORT_CPU_FWD_CCM_CFG,			0x00706c),
68	REG(ANA_PORT_PORT_CFG,				0x007070),
69	REG(ANA_PORT_POL_CFG,				0x007074),
70	REG(ANA_PORT_PTP_CFG,				0x007078),
71	REG(ANA_PORT_PTP_DLY1_CFG,			0x00707c),
72	REG(ANA_OAM_UPM_LM_CNT,				0x007c00),
73	REG(ANA_PORT_PTP_DLY2_CFG,			0x007080),
74	REG(ANA_PFC_PFC_CFG,				0x008800),
75	REG(ANA_PFC_PFC_TIMER,				0x008804),
76	REG(ANA_IPT_OAM_MEP_CFG,			0x008000),
77	REG(ANA_IPT_IPT,				0x008004),
78	REG(ANA_PPT_PPT,				0x008ac0),
79	REG(ANA_FID_MAP_FID_MAP,			0x000000),
80	REG(ANA_AGGR_CFG,				0x0090b4),
81	REG(ANA_CPUQ_CFG,				0x0090b8),
82	REG(ANA_CPUQ_CFG2,				0x0090bc),
83	REG(ANA_CPUQ_8021_CFG,				0x0090c0),
84	REG(ANA_DSCP_CFG,				0x009100),
85	REG(ANA_DSCP_REWR_CFG,				0x009200),
86	REG(ANA_VCAP_RNG_TYPE_CFG,			0x009240),
87	REG(ANA_VCAP_RNG_VAL_CFG,			0x009260),
88	REG(ANA_VRAP_CFG,				0x009280),
89	REG(ANA_VRAP_HDR_DATA,				0x009284),
90	REG(ANA_VRAP_HDR_MASK,				0x009288),
91	REG(ANA_DISCARD_CFG,				0x00928c),
92	REG(ANA_FID_CFG,				0x009290),
93	REG(ANA_POL_PIR_CFG,				0x004000),
94	REG(ANA_POL_CIR_CFG,				0x004004),
95	REG(ANA_POL_MODE_CFG,				0x004008),
96	REG(ANA_POL_PIR_STATE,				0x00400c),
97	REG(ANA_POL_CIR_STATE,				0x004010),
98	REG(ANA_POL_STATE,				0x004014),
99	REG(ANA_POL_FLOWC,				0x008b80),
100	REG(ANA_POL_HYST,				0x008bec),
101	REG(ANA_POL_MISC_CFG,				0x008bf0),
102};
103
104static const u32 ocelot_qs_regmap[] = {
105	REG(QS_XTR_GRP_CFG,				0x000000),
106	REG(QS_XTR_RD,					0x000008),
107	REG(QS_XTR_FRM_PRUNING,				0x000010),
108	REG(QS_XTR_FLUSH,				0x000018),
109	REG(QS_XTR_DATA_PRESENT,			0x00001c),
110	REG(QS_XTR_CFG,					0x000020),
111	REG(QS_INJ_GRP_CFG,				0x000024),
112	REG(QS_INJ_WR,					0x00002c),
113	REG(QS_INJ_CTRL,				0x000034),
114	REG(QS_INJ_STATUS,				0x00003c),
115	REG(QS_INJ_ERR,					0x000040),
116	REG(QS_INH_DBG,					0x000048),
117};
118
119static const u32 ocelot_qsys_regmap[] = {
120	REG(QSYS_PORT_MODE,				0x011200),
121	REG(QSYS_SWITCH_PORT_MODE,			0x011234),
122	REG(QSYS_STAT_CNT_CFG,				0x011264),
123	REG(QSYS_EEE_CFG,				0x011268),
124	REG(QSYS_EEE_THRES,				0x011294),
125	REG(QSYS_IGR_NO_SHARING,			0x011298),
126	REG(QSYS_EGR_NO_SHARING,			0x01129c),
127	REG(QSYS_SW_STATUS,				0x0112a0),
128	REG(QSYS_EXT_CPU_CFG,				0x0112d0),
129	REG(QSYS_PAD_CFG,				0x0112d4),
130	REG(QSYS_CPU_GROUP_MAP,				0x0112d8),
131	REG(QSYS_QMAP,					0x0112dc),
132	REG(QSYS_ISDX_SGRP,				0x011400),
133	REG(QSYS_TIMED_FRAME_ENTRY,			0x014000),
134	REG(QSYS_TFRM_MISC,				0x011310),
135	REG(QSYS_TFRM_PORT_DLY,				0x011314),
136	REG(QSYS_TFRM_TIMER_CFG_1,			0x011318),
137	REG(QSYS_TFRM_TIMER_CFG_2,			0x01131c),
138	REG(QSYS_TFRM_TIMER_CFG_3,			0x011320),
139	REG(QSYS_TFRM_TIMER_CFG_4,			0x011324),
140	REG(QSYS_TFRM_TIMER_CFG_5,			0x011328),
141	REG(QSYS_TFRM_TIMER_CFG_6,			0x01132c),
142	REG(QSYS_TFRM_TIMER_CFG_7,			0x011330),
143	REG(QSYS_TFRM_TIMER_CFG_8,			0x011334),
144	REG(QSYS_RED_PROFILE,				0x011338),
145	REG(QSYS_RES_QOS_MODE,				0x011378),
146	REG(QSYS_RES_CFG,				0x012000),
147	REG(QSYS_RES_STAT,				0x012004),
148	REG(QSYS_EGR_DROP_MODE,				0x01137c),
149	REG(QSYS_EQ_CTRL,				0x011380),
150	REG(QSYS_EVENTS_CORE,				0x011384),
151	REG(QSYS_CIR_CFG,				0x000000),
152	REG(QSYS_EIR_CFG,				0x000004),
153	REG(QSYS_SE_CFG,				0x000008),
154	REG(QSYS_SE_DWRR_CFG,				0x00000c),
155	REG(QSYS_SE_CONNECT,				0x00003c),
156	REG(QSYS_SE_DLB_SENSE,				0x000040),
157	REG(QSYS_CIR_STATE,				0x000044),
158	REG(QSYS_EIR_STATE,				0x000048),
159	REG(QSYS_SE_STATE,				0x00004c),
160	REG(QSYS_HSCH_MISC_CFG,				0x011388),
161};
162
163static const u32 ocelot_rew_regmap[] = {
164	REG(REW_PORT_VLAN_CFG,				0x000000),
165	REG(REW_TAG_CFG,				0x000004),
166	REG(REW_PORT_CFG,				0x000008),
167	REG(REW_DSCP_CFG,				0x00000c),
168	REG(REW_PCP_DEI_QOS_MAP_CFG,			0x000010),
169	REG(REW_PTP_CFG,				0x000050),
170	REG(REW_PTP_DLY1_CFG,				0x000054),
171	REG(REW_DSCP_REMAP_DP1_CFG,			0x000690),
172	REG(REW_DSCP_REMAP_CFG,				0x000790),
173	REG(REW_STAT_CFG,				0x000890),
174	REG(REW_PPT,					0x000680),
175};
176
177static const u32 ocelot_sys_regmap[] = {
178	REG(SYS_COUNT_RX_OCTETS,			0x000000),
179	REG(SYS_COUNT_RX_UNICAST,			0x000004),
180	REG(SYS_COUNT_RX_MULTICAST,			0x000008),
181	REG(SYS_COUNT_RX_BROADCAST,			0x00000c),
182	REG(SYS_COUNT_RX_SHORTS,			0x000010),
183	REG(SYS_COUNT_RX_FRAGMENTS,			0x000014),
184	REG(SYS_COUNT_RX_JABBERS,			0x000018),
185	REG(SYS_COUNT_RX_CRC_ALIGN_ERRS,		0x00001c),
186	REG(SYS_COUNT_RX_SYM_ERRS,			0x000020),
187	REG(SYS_COUNT_RX_64,				0x000024),
188	REG(SYS_COUNT_RX_65_127,			0x000028),
189	REG(SYS_COUNT_RX_128_255,			0x00002c),
190	REG(SYS_COUNT_RX_256_1023,			0x000030),
191	REG(SYS_COUNT_RX_1024_1526,			0x000034),
192	REG(SYS_COUNT_RX_1527_MAX,			0x000038),
193	REG(SYS_COUNT_RX_PAUSE,				0x00003c),
194	REG(SYS_COUNT_RX_CONTROL,			0x000040),
195	REG(SYS_COUNT_RX_LONGS,				0x000044),
196	REG(SYS_COUNT_RX_CLASSIFIED_DROPS,		0x000048),
197	REG(SYS_COUNT_TX_OCTETS,			0x000100),
198	REG(SYS_COUNT_TX_UNICAST,			0x000104),
199	REG(SYS_COUNT_TX_MULTICAST,			0x000108),
200	REG(SYS_COUNT_TX_BROADCAST,			0x00010c),
201	REG(SYS_COUNT_TX_COLLISION,			0x000110),
202	REG(SYS_COUNT_TX_DROPS,				0x000114),
203	REG(SYS_COUNT_TX_PAUSE,				0x000118),
204	REG(SYS_COUNT_TX_64,				0x00011c),
205	REG(SYS_COUNT_TX_65_127,			0x000120),
206	REG(SYS_COUNT_TX_128_511,			0x000124),
207	REG(SYS_COUNT_TX_512_1023,			0x000128),
208	REG(SYS_COUNT_TX_1024_1526,			0x00012c),
209	REG(SYS_COUNT_TX_1527_MAX,			0x000130),
210	REG(SYS_COUNT_TX_AGING,				0x000170),
211	REG(SYS_RESET_CFG,				0x000508),
212	REG(SYS_CMID,					0x00050c),
213	REG(SYS_VLAN_ETYPE_CFG,				0x000510),
214	REG(SYS_PORT_MODE,				0x000514),
215	REG(SYS_FRONT_PORT_MODE,			0x000548),
216	REG(SYS_FRM_AGING,				0x000574),
217	REG(SYS_STAT_CFG,				0x000578),
218	REG(SYS_SW_STATUS,				0x00057c),
219	REG(SYS_MISC_CFG,				0x0005ac),
220	REG(SYS_REW_MAC_HIGH_CFG,			0x0005b0),
221	REG(SYS_REW_MAC_LOW_CFG,			0x0005dc),
222	REG(SYS_CM_ADDR,				0x000500),
223	REG(SYS_CM_DATA,				0x000504),
224	REG(SYS_PAUSE_CFG,				0x000608),
225	REG(SYS_PAUSE_TOT_CFG,				0x000638),
226	REG(SYS_ATOP,					0x00063c),
227	REG(SYS_ATOP_TOT_CFG,				0x00066c),
228	REG(SYS_MAC_FC_CFG,				0x000670),
229	REG(SYS_MMGT,					0x00069c),
230	REG(SYS_MMGT_FAST,				0x0006a0),
231	REG(SYS_EVENTS_DIF,				0x0006a4),
232	REG(SYS_EVENTS_CORE,				0x0006b4),
233	REG(SYS_CNT,					0x000000),
234	REG(SYS_PTP_STATUS,				0x0006b8),
235	REG(SYS_PTP_TXSTAMP,				0x0006bc),
236	REG(SYS_PTP_NXT,				0x0006c0),
237	REG(SYS_PTP_CFG,				0x0006c4),
238};
239
240static const u32 ocelot_vcap_regmap[] = {
241	/* VCAP_CORE_CFG */
242	REG(VCAP_CORE_UPDATE_CTRL,			0x000000),
243	REG(VCAP_CORE_MV_CFG,				0x000004),
244	/* VCAP_CORE_CACHE */
245	REG(VCAP_CACHE_ENTRY_DAT,			0x000008),
246	REG(VCAP_CACHE_MASK_DAT,			0x000108),
247	REG(VCAP_CACHE_ACTION_DAT,			0x000208),
248	REG(VCAP_CACHE_CNT_DAT,				0x000308),
249	REG(VCAP_CACHE_TG_DAT,				0x000388),
250	/* VCAP_CONST */
251	REG(VCAP_CONST_VCAP_VER,			0x000398),
252	REG(VCAP_CONST_ENTRY_WIDTH,			0x00039c),
253	REG(VCAP_CONST_ENTRY_CNT,			0x0003a0),
254	REG(VCAP_CONST_ENTRY_SWCNT,			0x0003a4),
255	REG(VCAP_CONST_ENTRY_TG_WIDTH,			0x0003a8),
256	REG(VCAP_CONST_ACTION_DEF_CNT,			0x0003ac),
257	REG(VCAP_CONST_ACTION_WIDTH,			0x0003b0),
258	REG(VCAP_CONST_CNT_WIDTH,			0x0003b4),
259	REG(VCAP_CONST_CORE_CNT,			0x0003b8),
260	REG(VCAP_CONST_IF_CNT,				0x0003bc),
261};
262
263static const u32 ocelot_ptp_regmap[] = {
264	REG(PTP_PIN_CFG,				0x000000),
265	REG(PTP_PIN_TOD_SEC_MSB,			0x000004),
266	REG(PTP_PIN_TOD_SEC_LSB,			0x000008),
267	REG(PTP_PIN_TOD_NSEC,				0x00000c),
268	REG(PTP_PIN_WF_HIGH_PERIOD,			0x000014),
269	REG(PTP_PIN_WF_LOW_PERIOD,			0x000018),
270	REG(PTP_CFG_MISC,				0x0000a0),
271	REG(PTP_CLK_CFG_ADJ_CFG,			0x0000a4),
272	REG(PTP_CLK_CFG_ADJ_FREQ,			0x0000a8),
273};
274
275static const u32 ocelot_dev_gmii_regmap[] = {
276	REG(DEV_CLOCK_CFG,				0x0),
277	REG(DEV_PORT_MISC,				0x4),
278	REG(DEV_EVENTS,					0x8),
279	REG(DEV_EEE_CFG,				0xc),
280	REG(DEV_RX_PATH_DELAY,				0x10),
281	REG(DEV_TX_PATH_DELAY,				0x14),
282	REG(DEV_PTP_PREDICT_CFG,			0x18),
283	REG(DEV_MAC_ENA_CFG,				0x1c),
284	REG(DEV_MAC_MODE_CFG,				0x20),
285	REG(DEV_MAC_MAXLEN_CFG,				0x24),
286	REG(DEV_MAC_TAGS_CFG,				0x28),
287	REG(DEV_MAC_ADV_CHK_CFG,			0x2c),
288	REG(DEV_MAC_IFG_CFG,				0x30),
289	REG(DEV_MAC_HDX_CFG,				0x34),
290	REG(DEV_MAC_DBG_CFG,				0x38),
291	REG(DEV_MAC_FC_MAC_LOW_CFG,			0x3c),
292	REG(DEV_MAC_FC_MAC_HIGH_CFG,			0x40),
293	REG(DEV_MAC_STICKY,				0x44),
294	REG(PCS1G_CFG,					0x48),
295	REG(PCS1G_MODE_CFG,				0x4c),
296	REG(PCS1G_SD_CFG,				0x50),
297	REG(PCS1G_ANEG_CFG,				0x54),
298	REG(PCS1G_ANEG_NP_CFG,				0x58),
299	REG(PCS1G_LB_CFG,				0x5c),
300	REG(PCS1G_DBG_CFG,				0x60),
301	REG(PCS1G_CDET_CFG,				0x64),
302	REG(PCS1G_ANEG_STATUS,				0x68),
303	REG(PCS1G_ANEG_NP_STATUS,			0x6c),
304	REG(PCS1G_LINK_STATUS,				0x70),
305	REG(PCS1G_LINK_DOWN_CNT,			0x74),
306	REG(PCS1G_STICKY,				0x78),
307	REG(PCS1G_DEBUG_STATUS,				0x7c),
308	REG(PCS1G_LPI_CFG,				0x80),
309	REG(PCS1G_LPI_WAKE_ERROR_CNT,			0x84),
310	REG(PCS1G_LPI_STATUS,				0x88),
311	REG(PCS1G_TSTPAT_MODE_CFG,			0x8c),
312	REG(PCS1G_TSTPAT_STATUS,			0x90),
313	REG(DEV_PCS_FX100_CFG,				0x94),
314	REG(DEV_PCS_FX100_STATUS,			0x98),
315};
316
317static const u32 *ocelot_regmap[TARGET_MAX] = {
318	[ANA] = ocelot_ana_regmap,
319	[QS] = ocelot_qs_regmap,
320	[QSYS] = ocelot_qsys_regmap,
321	[REW] = ocelot_rew_regmap,
322	[SYS] = ocelot_sys_regmap,
323	[S0] = ocelot_vcap_regmap,
324	[S1] = ocelot_vcap_regmap,
325	[S2] = ocelot_vcap_regmap,
326	[PTP] = ocelot_ptp_regmap,
327	[DEV_GMII] = ocelot_dev_gmii_regmap,
328};
329
330static const struct reg_field ocelot_regfields[REGFIELD_MAX] = {
331	[ANA_ADVLEARN_VLAN_CHK] = REG_FIELD(ANA_ADVLEARN, 11, 11),
332	[ANA_ADVLEARN_LEARN_MIRROR] = REG_FIELD(ANA_ADVLEARN, 0, 10),
333	[ANA_ANEVENTS_MSTI_DROP] = REG_FIELD(ANA_ANEVENTS, 27, 27),
334	[ANA_ANEVENTS_ACLKILL] = REG_FIELD(ANA_ANEVENTS, 26, 26),
335	[ANA_ANEVENTS_ACLUSED] = REG_FIELD(ANA_ANEVENTS, 25, 25),
336	[ANA_ANEVENTS_AUTOAGE] = REG_FIELD(ANA_ANEVENTS, 24, 24),
337	[ANA_ANEVENTS_VS2TTL1] = REG_FIELD(ANA_ANEVENTS, 23, 23),
338	[ANA_ANEVENTS_STORM_DROP] = REG_FIELD(ANA_ANEVENTS, 22, 22),
339	[ANA_ANEVENTS_LEARN_DROP] = REG_FIELD(ANA_ANEVENTS, 21, 21),
340	[ANA_ANEVENTS_AGED_ENTRY] = REG_FIELD(ANA_ANEVENTS, 20, 20),
341	[ANA_ANEVENTS_CPU_LEARN_FAILED] = REG_FIELD(ANA_ANEVENTS, 19, 19),
342	[ANA_ANEVENTS_AUTO_LEARN_FAILED] = REG_FIELD(ANA_ANEVENTS, 18, 18),
343	[ANA_ANEVENTS_LEARN_REMOVE] = REG_FIELD(ANA_ANEVENTS, 17, 17),
344	[ANA_ANEVENTS_AUTO_LEARNED] = REG_FIELD(ANA_ANEVENTS, 16, 16),
345	[ANA_ANEVENTS_AUTO_MOVED] = REG_FIELD(ANA_ANEVENTS, 15, 15),
346	[ANA_ANEVENTS_DROPPED] = REG_FIELD(ANA_ANEVENTS, 14, 14),
347	[ANA_ANEVENTS_CLASSIFIED_DROP] = REG_FIELD(ANA_ANEVENTS, 13, 13),
348	[ANA_ANEVENTS_CLASSIFIED_COPY] = REG_FIELD(ANA_ANEVENTS, 12, 12),
349	[ANA_ANEVENTS_VLAN_DISCARD] = REG_FIELD(ANA_ANEVENTS, 11, 11),
350	[ANA_ANEVENTS_FWD_DISCARD] = REG_FIELD(ANA_ANEVENTS, 10, 10),
351	[ANA_ANEVENTS_MULTICAST_FLOOD] = REG_FIELD(ANA_ANEVENTS, 9, 9),
352	[ANA_ANEVENTS_UNICAST_FLOOD] = REG_FIELD(ANA_ANEVENTS, 8, 8),
353	[ANA_ANEVENTS_DEST_KNOWN] = REG_FIELD(ANA_ANEVENTS, 7, 7),
354	[ANA_ANEVENTS_BUCKET3_MATCH] = REG_FIELD(ANA_ANEVENTS, 6, 6),
355	[ANA_ANEVENTS_BUCKET2_MATCH] = REG_FIELD(ANA_ANEVENTS, 5, 5),
356	[ANA_ANEVENTS_BUCKET1_MATCH] = REG_FIELD(ANA_ANEVENTS, 4, 4),
357	[ANA_ANEVENTS_BUCKET0_MATCH] = REG_FIELD(ANA_ANEVENTS, 3, 3),
358	[ANA_ANEVENTS_CPU_OPERATION] = REG_FIELD(ANA_ANEVENTS, 2, 2),
359	[ANA_ANEVENTS_DMAC_LOOKUP] = REG_FIELD(ANA_ANEVENTS, 1, 1),
360	[ANA_ANEVENTS_SMAC_LOOKUP] = REG_FIELD(ANA_ANEVENTS, 0, 0),
361	[ANA_TABLES_MACACCESS_B_DOM] = REG_FIELD(ANA_TABLES_MACACCESS, 18, 18),
362	[ANA_TABLES_MACTINDX_BUCKET] = REG_FIELD(ANA_TABLES_MACTINDX, 10, 11),
363	[ANA_TABLES_MACTINDX_M_INDEX] = REG_FIELD(ANA_TABLES_MACTINDX, 0, 9),
364	[QSYS_TIMED_FRAME_ENTRY_TFRM_VLD] = REG_FIELD(QSYS_TIMED_FRAME_ENTRY, 20, 20),
365	[QSYS_TIMED_FRAME_ENTRY_TFRM_FP] = REG_FIELD(QSYS_TIMED_FRAME_ENTRY, 8, 19),
366	[QSYS_TIMED_FRAME_ENTRY_TFRM_PORTNO] = REG_FIELD(QSYS_TIMED_FRAME_ENTRY, 4, 7),
367	[QSYS_TIMED_FRAME_ENTRY_TFRM_TM_SEL] = REG_FIELD(QSYS_TIMED_FRAME_ENTRY, 1, 3),
368	[QSYS_TIMED_FRAME_ENTRY_TFRM_TM_T] = REG_FIELD(QSYS_TIMED_FRAME_ENTRY, 0, 0),
369	[SYS_RESET_CFG_CORE_ENA] = REG_FIELD(SYS_RESET_CFG, 2, 2),
370	[SYS_RESET_CFG_MEM_ENA] = REG_FIELD(SYS_RESET_CFG, 1, 1),
371	[SYS_RESET_CFG_MEM_INIT] = REG_FIELD(SYS_RESET_CFG, 0, 0),
372	/* Replicated per number of ports (12), register size 4 per port */
373	[QSYS_SWITCH_PORT_MODE_PORT_ENA] = REG_FIELD_ID(QSYS_SWITCH_PORT_MODE, 14, 14, 12, 4),
374	[QSYS_SWITCH_PORT_MODE_SCH_NEXT_CFG] = REG_FIELD_ID(QSYS_SWITCH_PORT_MODE, 11, 13, 12, 4),
375	[QSYS_SWITCH_PORT_MODE_YEL_RSRVD] = REG_FIELD_ID(QSYS_SWITCH_PORT_MODE, 10, 10, 12, 4),
376	[QSYS_SWITCH_PORT_MODE_INGRESS_DROP_MODE] = REG_FIELD_ID(QSYS_SWITCH_PORT_MODE, 9, 9, 12, 4),
377	[QSYS_SWITCH_PORT_MODE_TX_PFC_ENA] = REG_FIELD_ID(QSYS_SWITCH_PORT_MODE, 1, 8, 12, 4),
378	[QSYS_SWITCH_PORT_MODE_TX_PFC_MODE] = REG_FIELD_ID(QSYS_SWITCH_PORT_MODE, 0, 0, 12, 4),
379	[SYS_PORT_MODE_DATA_WO_TS] = REG_FIELD_ID(SYS_PORT_MODE, 5, 6, 12, 4),
380	[SYS_PORT_MODE_INCL_INJ_HDR] = REG_FIELD_ID(SYS_PORT_MODE, 3, 4, 12, 4),
381	[SYS_PORT_MODE_INCL_XTR_HDR] = REG_FIELD_ID(SYS_PORT_MODE, 1, 2, 12, 4),
382	[SYS_PORT_MODE_INCL_HDR_ERR] = REG_FIELD_ID(SYS_PORT_MODE, 0, 0, 12, 4),
383	[SYS_PAUSE_CFG_PAUSE_START] = REG_FIELD_ID(SYS_PAUSE_CFG, 10, 18, 12, 4),
384	[SYS_PAUSE_CFG_PAUSE_STOP] = REG_FIELD_ID(SYS_PAUSE_CFG, 1, 9, 12, 4),
385	[SYS_PAUSE_CFG_PAUSE_ENA] = REG_FIELD_ID(SYS_PAUSE_CFG, 0, 1, 12, 4),
386};
387
388static const struct ocelot_stat_layout ocelot_stats_layout[] = {
389	{ .name = "rx_octets", .offset = 0x00, },
390	{ .name = "rx_unicast", .offset = 0x01, },
391	{ .name = "rx_multicast", .offset = 0x02, },
392	{ .name = "rx_broadcast", .offset = 0x03, },
393	{ .name = "rx_shorts", .offset = 0x04, },
394	{ .name = "rx_fragments", .offset = 0x05, },
395	{ .name = "rx_jabbers", .offset = 0x06, },
396	{ .name = "rx_crc_align_errs", .offset = 0x07, },
397	{ .name = "rx_sym_errs", .offset = 0x08, },
398	{ .name = "rx_frames_below_65_octets", .offset = 0x09, },
399	{ .name = "rx_frames_65_to_127_octets", .offset = 0x0A, },
400	{ .name = "rx_frames_128_to_255_octets", .offset = 0x0B, },
401	{ .name = "rx_frames_256_to_511_octets", .offset = 0x0C, },
402	{ .name = "rx_frames_512_to_1023_octets", .offset = 0x0D, },
403	{ .name = "rx_frames_1024_to_1526_octets", .offset = 0x0E, },
404	{ .name = "rx_frames_over_1526_octets", .offset = 0x0F, },
405	{ .name = "rx_pause", .offset = 0x10, },
406	{ .name = "rx_control", .offset = 0x11, },
407	{ .name = "rx_longs", .offset = 0x12, },
408	{ .name = "rx_classified_drops", .offset = 0x13, },
409	{ .name = "rx_red_prio_0", .offset = 0x14, },
410	{ .name = "rx_red_prio_1", .offset = 0x15, },
411	{ .name = "rx_red_prio_2", .offset = 0x16, },
412	{ .name = "rx_red_prio_3", .offset = 0x17, },
413	{ .name = "rx_red_prio_4", .offset = 0x18, },
414	{ .name = "rx_red_prio_5", .offset = 0x19, },
415	{ .name = "rx_red_prio_6", .offset = 0x1A, },
416	{ .name = "rx_red_prio_7", .offset = 0x1B, },
417	{ .name = "rx_yellow_prio_0", .offset = 0x1C, },
418	{ .name = "rx_yellow_prio_1", .offset = 0x1D, },
419	{ .name = "rx_yellow_prio_2", .offset = 0x1E, },
420	{ .name = "rx_yellow_prio_3", .offset = 0x1F, },
421	{ .name = "rx_yellow_prio_4", .offset = 0x20, },
422	{ .name = "rx_yellow_prio_5", .offset = 0x21, },
423	{ .name = "rx_yellow_prio_6", .offset = 0x22, },
424	{ .name = "rx_yellow_prio_7", .offset = 0x23, },
425	{ .name = "rx_green_prio_0", .offset = 0x24, },
426	{ .name = "rx_green_prio_1", .offset = 0x25, },
427	{ .name = "rx_green_prio_2", .offset = 0x26, },
428	{ .name = "rx_green_prio_3", .offset = 0x27, },
429	{ .name = "rx_green_prio_4", .offset = 0x28, },
430	{ .name = "rx_green_prio_5", .offset = 0x29, },
431	{ .name = "rx_green_prio_6", .offset = 0x2A, },
432	{ .name = "rx_green_prio_7", .offset = 0x2B, },
433	{ .name = "tx_octets", .offset = 0x40, },
434	{ .name = "tx_unicast", .offset = 0x41, },
435	{ .name = "tx_multicast", .offset = 0x42, },
436	{ .name = "tx_broadcast", .offset = 0x43, },
437	{ .name = "tx_collision", .offset = 0x44, },
438	{ .name = "tx_drops", .offset = 0x45, },
439	{ .name = "tx_pause", .offset = 0x46, },
440	{ .name = "tx_frames_below_65_octets", .offset = 0x47, },
441	{ .name = "tx_frames_65_to_127_octets", .offset = 0x48, },
442	{ .name = "tx_frames_128_255_octets", .offset = 0x49, },
443	{ .name = "tx_frames_256_511_octets", .offset = 0x4A, },
444	{ .name = "tx_frames_512_1023_octets", .offset = 0x4B, },
445	{ .name = "tx_frames_1024_1526_octets", .offset = 0x4C, },
446	{ .name = "tx_frames_over_1526_octets", .offset = 0x4D, },
447	{ .name = "tx_yellow_prio_0", .offset = 0x4E, },
448	{ .name = "tx_yellow_prio_1", .offset = 0x4F, },
449	{ .name = "tx_yellow_prio_2", .offset = 0x50, },
450	{ .name = "tx_yellow_prio_3", .offset = 0x51, },
451	{ .name = "tx_yellow_prio_4", .offset = 0x52, },
452	{ .name = "tx_yellow_prio_5", .offset = 0x53, },
453	{ .name = "tx_yellow_prio_6", .offset = 0x54, },
454	{ .name = "tx_yellow_prio_7", .offset = 0x55, },
455	{ .name = "tx_green_prio_0", .offset = 0x56, },
456	{ .name = "tx_green_prio_1", .offset = 0x57, },
457	{ .name = "tx_green_prio_2", .offset = 0x58, },
458	{ .name = "tx_green_prio_3", .offset = 0x59, },
459	{ .name = "tx_green_prio_4", .offset = 0x5A, },
460	{ .name = "tx_green_prio_5", .offset = 0x5B, },
461	{ .name = "tx_green_prio_6", .offset = 0x5C, },
462	{ .name = "tx_green_prio_7", .offset = 0x5D, },
463	{ .name = "tx_aged", .offset = 0x5E, },
464	{ .name = "drop_local", .offset = 0x80, },
465	{ .name = "drop_tail", .offset = 0x81, },
466	{ .name = "drop_yellow_prio_0", .offset = 0x82, },
467	{ .name = "drop_yellow_prio_1", .offset = 0x83, },
468	{ .name = "drop_yellow_prio_2", .offset = 0x84, },
469	{ .name = "drop_yellow_prio_3", .offset = 0x85, },
470	{ .name = "drop_yellow_prio_4", .offset = 0x86, },
471	{ .name = "drop_yellow_prio_5", .offset = 0x87, },
472	{ .name = "drop_yellow_prio_6", .offset = 0x88, },
473	{ .name = "drop_yellow_prio_7", .offset = 0x89, },
474	{ .name = "drop_green_prio_0", .offset = 0x8A, },
475	{ .name = "drop_green_prio_1", .offset = 0x8B, },
476	{ .name = "drop_green_prio_2", .offset = 0x8C, },
477	{ .name = "drop_green_prio_3", .offset = 0x8D, },
478	{ .name = "drop_green_prio_4", .offset = 0x8E, },
479	{ .name = "drop_green_prio_5", .offset = 0x8F, },
480	{ .name = "drop_green_prio_6", .offset = 0x90, },
481	{ .name = "drop_green_prio_7", .offset = 0x91, },
482};
483
484static void ocelot_pll5_init(struct ocelot *ocelot)
485{
486	/* Configure PLL5. This will need a proper CCF driver
487	 * The values are coming from the VTSS API for Ocelot
488	 */
489	regmap_write(ocelot->targets[HSIO], HSIO_PLL5G_CFG4,
490		     HSIO_PLL5G_CFG4_IB_CTRL(0x7600) |
491		     HSIO_PLL5G_CFG4_IB_BIAS_CTRL(0x8));
492	regmap_write(ocelot->targets[HSIO], HSIO_PLL5G_CFG0,
493		     HSIO_PLL5G_CFG0_CORE_CLK_DIV(0x11) |
494		     HSIO_PLL5G_CFG0_CPU_CLK_DIV(2) |
495		     HSIO_PLL5G_CFG0_ENA_BIAS |
496		     HSIO_PLL5G_CFG0_ENA_VCO_BUF |
497		     HSIO_PLL5G_CFG0_ENA_CP1 |
498		     HSIO_PLL5G_CFG0_SELCPI(2) |
499		     HSIO_PLL5G_CFG0_LOOP_BW_RES(0xe) |
500		     HSIO_PLL5G_CFG0_SELBGV820(4) |
501		     HSIO_PLL5G_CFG0_DIV4 |
502		     HSIO_PLL5G_CFG0_ENA_CLKTREE |
503		     HSIO_PLL5G_CFG0_ENA_LANE);
504	regmap_write(ocelot->targets[HSIO], HSIO_PLL5G_CFG2,
505		     HSIO_PLL5G_CFG2_EN_RESET_FRQ_DET |
506		     HSIO_PLL5G_CFG2_EN_RESET_OVERRUN |
507		     HSIO_PLL5G_CFG2_GAIN_TEST(0x8) |
508		     HSIO_PLL5G_CFG2_ENA_AMPCTRL |
509		     HSIO_PLL5G_CFG2_PWD_AMPCTRL_N |
510		     HSIO_PLL5G_CFG2_AMPC_SEL(0x10));
511}
512
513static int ocelot_chip_init(struct ocelot *ocelot, const struct ocelot_ops *ops)
514{
515	int ret;
516
517	ocelot->map = ocelot_regmap;
518	ocelot->stats_layout = ocelot_stats_layout;
519	ocelot->num_stats = ARRAY_SIZE(ocelot_stats_layout);
520	ocelot->shared_queue_sz = 224 * 1024;
521	ocelot->num_mact_rows = 1024;
522	ocelot->ops = ops;
523
524	ret = ocelot_regfields_init(ocelot, ocelot_regfields);
525	if (ret)
526		return ret;
527
528	ocelot_pll5_init(ocelot);
529
530	eth_random_addr(ocelot->base_mac);
531	ocelot->base_mac[5] &= 0xf0;
532
533	return 0;
534}
535
536static int ocelot_parse_ifh(u32 *_ifh, struct frame_info *info)
537{
538	u8 llen, wlen;
539	u64 ifh[2];
540
541	ifh[0] = be64_to_cpu(((__force __be64 *)_ifh)[0]);
542	ifh[1] = be64_to_cpu(((__force __be64 *)_ifh)[1]);
543
544	wlen = IFH_EXTRACT_BITFIELD64(ifh[0], 7,  8);
545	llen = IFH_EXTRACT_BITFIELD64(ifh[0], 15,  6);
546
547	info->len = OCELOT_BUFFER_CELL_SZ * wlen + llen - 80;
548
549	info->timestamp = IFH_EXTRACT_BITFIELD64(ifh[0], 21, 32);
550
551	info->port = IFH_EXTRACT_BITFIELD64(ifh[1], 43, 4);
552
553	info->tag_type = IFH_EXTRACT_BITFIELD64(ifh[1], 16,  1);
554	info->vid = IFH_EXTRACT_BITFIELD64(ifh[1], 0,  12);
555
556	return 0;
557}
558
559static int ocelot_rx_frame_word(struct ocelot *ocelot, u8 grp, bool ifh,
560				u32 *rval)
561{
562	u32 val;
563	u32 bytes_valid;
564
565	val = ocelot_read_rix(ocelot, QS_XTR_RD, grp);
566	if (val == XTR_NOT_READY) {
567		if (ifh)
568			return -EIO;
569
570		do {
571			val = ocelot_read_rix(ocelot, QS_XTR_RD, grp);
572		} while (val == XTR_NOT_READY);
573	}
574
575	switch (val) {
576	case XTR_ABORT:
577		return -EIO;
578	case XTR_EOF_0:
579	case XTR_EOF_1:
580	case XTR_EOF_2:
581	case XTR_EOF_3:
582	case XTR_PRUNED:
583		bytes_valid = XTR_VALID_BYTES(val);
584		val = ocelot_read_rix(ocelot, QS_XTR_RD, grp);
585		if (val == XTR_ESCAPE)
586			*rval = ocelot_read_rix(ocelot, QS_XTR_RD, grp);
587		else
588			*rval = val;
589
590		return bytes_valid;
591	case XTR_ESCAPE:
592		*rval = ocelot_read_rix(ocelot, QS_XTR_RD, grp);
593
594		return 4;
595	default:
596		*rval = val;
597
598		return 4;
599	}
600}
601
602static irqreturn_t ocelot_xtr_irq_handler(int irq, void *arg)
603{
604	struct ocelot *ocelot = arg;
605	int i = 0, grp = 0;
606	int err = 0;
607
608	if (!(ocelot_read(ocelot, QS_XTR_DATA_PRESENT) & BIT(grp)))
609		return IRQ_NONE;
610
611	do {
612		struct skb_shared_hwtstamps *shhwtstamps;
613		struct ocelot_port_private *priv;
614		struct ocelot_port *ocelot_port;
615		u64 tod_in_ns, full_ts_in_ns;
616		struct frame_info info = {};
617		struct net_device *dev;
618		u32 ifh[4], val, *buf;
619		struct timespec64 ts;
620		int sz, len, buf_len;
621		struct sk_buff *skb;
622
623		for (i = 0; i < OCELOT_TAG_LEN / 4; i++) {
624			err = ocelot_rx_frame_word(ocelot, grp, true, &ifh[i]);
625			if (err != 4)
626				break;
627		}
628
629		if (err != 4)
630			break;
631
632		/* At this point the IFH was read correctly, so it is safe to
633		 * presume that there is no error. The err needs to be reset
634		 * otherwise a frame could come in CPU queue between the while
635		 * condition and the check for error later on. And in that case
636		 * the new frame is just removed and not processed.
637		 */
638		err = 0;
639
640		ocelot_parse_ifh(ifh, &info);
641
642		ocelot_port = ocelot->ports[info.port];
643		priv = container_of(ocelot_port, struct ocelot_port_private,
644				    port);
645		dev = priv->dev;
646
647		skb = netdev_alloc_skb(dev, info.len);
648
649		if (unlikely(!skb)) {
650			netdev_err(dev, "Unable to allocate sk_buff\n");
651			err = -ENOMEM;
652			break;
653		}
654		buf_len = info.len - ETH_FCS_LEN;
655		buf = (u32 *)skb_put(skb, buf_len);
656
657		len = 0;
658		do {
659			sz = ocelot_rx_frame_word(ocelot, grp, false, &val);
660			*buf++ = val;
661			len += sz;
662		} while (len < buf_len);
663
664		/* Read the FCS */
665		sz = ocelot_rx_frame_word(ocelot, grp, false, &val);
666		/* Update the statistics if part of the FCS was read before */
667		len -= ETH_FCS_LEN - sz;
668
669		if (unlikely(dev->features & NETIF_F_RXFCS)) {
670			buf = (u32 *)skb_put(skb, ETH_FCS_LEN);
671			*buf = val;
672		}
673
674		if (sz < 0) {
675			err = sz;
676			break;
677		}
678
679		if (ocelot->ptp) {
680			ocelot_ptp_gettime64(&ocelot->ptp_info, &ts);
681
682			tod_in_ns = ktime_set(ts.tv_sec, ts.tv_nsec);
683			if ((tod_in_ns & 0xffffffff) < info.timestamp)
684				full_ts_in_ns = (((tod_in_ns >> 32) - 1) << 32) |
685						info.timestamp;
686			else
687				full_ts_in_ns = (tod_in_ns & GENMASK_ULL(63, 32)) |
688						info.timestamp;
689
690			shhwtstamps = skb_hwtstamps(skb);
691			memset(shhwtstamps, 0, sizeof(struct skb_shared_hwtstamps));
692			shhwtstamps->hwtstamp = full_ts_in_ns;
693		}
694
695		/* Everything we see on an interface that is in the HW bridge
696		 * has already been forwarded.
697		 */
698		if (ocelot->bridge_mask & BIT(info.port))
699			skb->offload_fwd_mark = 1;
700
701		skb->protocol = eth_type_trans(skb, dev);
702		if (!skb_defer_rx_timestamp(skb))
703			netif_rx(skb);
704		dev->stats.rx_bytes += len;
705		dev->stats.rx_packets++;
706	} while (ocelot_read(ocelot, QS_XTR_DATA_PRESENT) & BIT(grp));
707
708	if (err)
709		while (ocelot_read(ocelot, QS_XTR_DATA_PRESENT) & BIT(grp))
710			ocelot_read_rix(ocelot, QS_XTR_RD, grp);
711
712	return IRQ_HANDLED;
713}
714
715static irqreturn_t ocelot_ptp_rdy_irq_handler(int irq, void *arg)
716{
717	struct ocelot *ocelot = arg;
718
719	ocelot_get_txtstamp(ocelot);
720
721	return IRQ_HANDLED;
722}
723
724static const struct of_device_id mscc_ocelot_match[] = {
725	{ .compatible = "mscc,vsc7514-switch" },
726	{ }
727};
728MODULE_DEVICE_TABLE(of, mscc_ocelot_match);
729
730static int ocelot_reset(struct ocelot *ocelot)
731{
732	int retries = 100;
733	u32 val;
734
735	regmap_field_write(ocelot->regfields[SYS_RESET_CFG_MEM_INIT], 1);
736	regmap_field_write(ocelot->regfields[SYS_RESET_CFG_MEM_ENA], 1);
737
738	do {
739		msleep(1);
740		regmap_field_read(ocelot->regfields[SYS_RESET_CFG_MEM_INIT],
741				  &val);
742	} while (val && --retries);
743
744	if (!retries)
745		return -ETIMEDOUT;
746
747	regmap_field_write(ocelot->regfields[SYS_RESET_CFG_MEM_ENA], 1);
748	regmap_field_write(ocelot->regfields[SYS_RESET_CFG_CORE_ENA], 1);
749
750	return 0;
751}
752
753/* Watermark encode
754 * Bit 8:   Unit; 0:1, 1:16
755 * Bit 7-0: Value to be multiplied with unit
756 */
757static u16 ocelot_wm_enc(u16 value)
758{
759	WARN_ON(value >= 16 * BIT(8));
760
761	if (value >= BIT(8))
762		return BIT(8) | (value / 16);
763
764	return value;
765}
766
767static const struct ocelot_ops ocelot_ops = {
768	.reset			= ocelot_reset,
769	.wm_enc			= ocelot_wm_enc,
770	.port_to_netdev		= ocelot_port_to_netdev,
771	.netdev_to_port		= ocelot_netdev_to_port,
772};
773
774static const struct vcap_field vsc7514_vcap_es0_keys[] = {
775	[VCAP_ES0_EGR_PORT]			= {  0,  4},
776	[VCAP_ES0_IGR_PORT]			= {  4,  4},
777	[VCAP_ES0_RSV]				= {  8,  2},
778	[VCAP_ES0_L2_MC]			= { 10,  1},
779	[VCAP_ES0_L2_BC]			= { 11,  1},
780	[VCAP_ES0_VID]				= { 12, 12},
781	[VCAP_ES0_DP]				= { 24,  1},
782	[VCAP_ES0_PCP]				= { 25,  3},
783};
784
785static const struct vcap_field vsc7514_vcap_es0_actions[] = {
786	[VCAP_ES0_ACT_PUSH_OUTER_TAG]		= {  0,  2},
787	[VCAP_ES0_ACT_PUSH_INNER_TAG]		= {  2,  1},
788	[VCAP_ES0_ACT_TAG_A_TPID_SEL]		= {  3,  2},
789	[VCAP_ES0_ACT_TAG_A_VID_SEL]		= {  5,  1},
790	[VCAP_ES0_ACT_TAG_A_PCP_SEL]		= {  6,  2},
791	[VCAP_ES0_ACT_TAG_A_DEI_SEL]		= {  8,  2},
792	[VCAP_ES0_ACT_TAG_B_TPID_SEL]		= { 10,  2},
793	[VCAP_ES0_ACT_TAG_B_VID_SEL]		= { 12,  1},
794	[VCAP_ES0_ACT_TAG_B_PCP_SEL]		= { 13,  2},
795	[VCAP_ES0_ACT_TAG_B_DEI_SEL]		= { 15,  2},
796	[VCAP_ES0_ACT_VID_A_VAL]		= { 17, 12},
797	[VCAP_ES0_ACT_PCP_A_VAL]		= { 29,  3},
798	[VCAP_ES0_ACT_DEI_A_VAL]		= { 32,  1},
799	[VCAP_ES0_ACT_VID_B_VAL]		= { 33, 12},
800	[VCAP_ES0_ACT_PCP_B_VAL]		= { 45,  3},
801	[VCAP_ES0_ACT_DEI_B_VAL]		= { 48,  1},
802	[VCAP_ES0_ACT_RSV]			= { 49, 24},
803	[VCAP_ES0_ACT_HIT_STICKY]		= { 73,  1},
804};
805
806static const struct vcap_field vsc7514_vcap_is1_keys[] = {
807	[VCAP_IS1_HK_TYPE]			= {  0,   1},
808	[VCAP_IS1_HK_LOOKUP]			= {  1,   2},
809	[VCAP_IS1_HK_IGR_PORT_MASK]		= {  3,  12},
810	[VCAP_IS1_HK_RSV]			= { 15,   9},
811	[VCAP_IS1_HK_OAM_Y1731]			= { 24,   1},
812	[VCAP_IS1_HK_L2_MC]			= { 25,   1},
813	[VCAP_IS1_HK_L2_BC]			= { 26,   1},
814	[VCAP_IS1_HK_IP_MC]			= { 27,   1},
815	[VCAP_IS1_HK_VLAN_TAGGED]		= { 28,   1},
816	[VCAP_IS1_HK_VLAN_DBL_TAGGED]		= { 29,   1},
817	[VCAP_IS1_HK_TPID]			= { 30,   1},
818	[VCAP_IS1_HK_VID]			= { 31,  12},
819	[VCAP_IS1_HK_DEI]			= { 43,   1},
820	[VCAP_IS1_HK_PCP]			= { 44,   3},
821	/* Specific Fields for IS1 Half Key S1_NORMAL */
822	[VCAP_IS1_HK_L2_SMAC]			= { 47,  48},
823	[VCAP_IS1_HK_ETYPE_LEN]			= { 95,   1},
824	[VCAP_IS1_HK_ETYPE]			= { 96,  16},
825	[VCAP_IS1_HK_IP_SNAP]			= {112,   1},
826	[VCAP_IS1_HK_IP4]			= {113,   1},
827	/* Layer-3 Information */
828	[VCAP_IS1_HK_L3_FRAGMENT]		= {114,   1},
829	[VCAP_IS1_HK_L3_FRAG_OFS_GT0]		= {115,   1},
830	[VCAP_IS1_HK_L3_OPTIONS]		= {116,   1},
831	[VCAP_IS1_HK_L3_DSCP]			= {117,   6},
832	[VCAP_IS1_HK_L3_IP4_SIP]		= {123,  32},
833	/* Layer-4 Information */
834	[VCAP_IS1_HK_TCP_UDP]			= {155,   1},
835	[VCAP_IS1_HK_TCP]			= {156,   1},
836	[VCAP_IS1_HK_L4_SPORT]			= {157,  16},
837	[VCAP_IS1_HK_L4_RNG]			= {173,   8},
838	/* Specific Fields for IS1 Half Key S1_5TUPLE_IP4 */
839	[VCAP_IS1_HK_IP4_INNER_TPID]            = { 47,   1},
840	[VCAP_IS1_HK_IP4_INNER_VID]		= { 48,  12},
841	[VCAP_IS1_HK_IP4_INNER_DEI]		= { 60,   1},
842	[VCAP_IS1_HK_IP4_INNER_PCP]		= { 61,   3},
843	[VCAP_IS1_HK_IP4_IP4]			= { 64,   1},
844	[VCAP_IS1_HK_IP4_L3_FRAGMENT]		= { 65,   1},
845	[VCAP_IS1_HK_IP4_L3_FRAG_OFS_GT0]	= { 66,   1},
846	[VCAP_IS1_HK_IP4_L3_OPTIONS]		= { 67,   1},
847	[VCAP_IS1_HK_IP4_L3_DSCP]		= { 68,   6},
848	[VCAP_IS1_HK_IP4_L3_IP4_DIP]		= { 74,  32},
849	[VCAP_IS1_HK_IP4_L3_IP4_SIP]		= {106,  32},
850	[VCAP_IS1_HK_IP4_L3_PROTO]		= {138,   8},
851	[VCAP_IS1_HK_IP4_TCP_UDP]		= {146,   1},
852	[VCAP_IS1_HK_IP4_TCP]			= {147,   1},
853	[VCAP_IS1_HK_IP4_L4_RNG]		= {148,   8},
854	[VCAP_IS1_HK_IP4_IP_PAYLOAD_S1_5TUPLE]	= {156,  32},
855};
856
857static const struct vcap_field vsc7514_vcap_is1_actions[] = {
858	[VCAP_IS1_ACT_DSCP_ENA]			= {  0,  1},
859	[VCAP_IS1_ACT_DSCP_VAL]			= {  1,  6},
860	[VCAP_IS1_ACT_QOS_ENA]			= {  7,  1},
861	[VCAP_IS1_ACT_QOS_VAL]			= {  8,  3},
862	[VCAP_IS1_ACT_DP_ENA]			= { 11,  1},
863	[VCAP_IS1_ACT_DP_VAL]			= { 12,  1},
864	[VCAP_IS1_ACT_PAG_OVERRIDE_MASK]	= { 13,  8},
865	[VCAP_IS1_ACT_PAG_VAL]			= { 21,  8},
866	[VCAP_IS1_ACT_RSV]			= { 29,  9},
867	/* The fields below are incorrectly shifted by 2 in the manual */
868	[VCAP_IS1_ACT_VID_REPLACE_ENA]		= { 38,  1},
869	[VCAP_IS1_ACT_VID_ADD_VAL]		= { 39, 12},
870	[VCAP_IS1_ACT_FID_SEL]			= { 51,  2},
871	[VCAP_IS1_ACT_FID_VAL]			= { 53, 13},
872	[VCAP_IS1_ACT_PCP_DEI_ENA]		= { 66,  1},
873	[VCAP_IS1_ACT_PCP_VAL]			= { 67,  3},
874	[VCAP_IS1_ACT_DEI_VAL]			= { 70,  1},
875	[VCAP_IS1_ACT_VLAN_POP_CNT_ENA]		= { 71,  1},
876	[VCAP_IS1_ACT_VLAN_POP_CNT]		= { 72,  2},
877	[VCAP_IS1_ACT_CUSTOM_ACE_TYPE_ENA]	= { 74,  4},
878	[VCAP_IS1_ACT_HIT_STICKY]		= { 78,  1},
879};
880
881static const struct vcap_field vsc7514_vcap_is2_keys[] = {
882	/* Common: 46 bits */
883	[VCAP_IS2_TYPE]				= {  0,   4},
884	[VCAP_IS2_HK_FIRST]			= {  4,   1},
885	[VCAP_IS2_HK_PAG]			= {  5,   8},
886	[VCAP_IS2_HK_IGR_PORT_MASK]		= { 13,  12},
887	[VCAP_IS2_HK_RSV2]			= { 25,   1},
888	[VCAP_IS2_HK_HOST_MATCH]		= { 26,   1},
889	[VCAP_IS2_HK_L2_MC]			= { 27,   1},
890	[VCAP_IS2_HK_L2_BC]			= { 28,   1},
891	[VCAP_IS2_HK_VLAN_TAGGED]		= { 29,   1},
892	[VCAP_IS2_HK_VID]			= { 30,  12},
893	[VCAP_IS2_HK_DEI]			= { 42,   1},
894	[VCAP_IS2_HK_PCP]			= { 43,   3},
895	/* MAC_ETYPE / MAC_LLC / MAC_SNAP / OAM common */
896	[VCAP_IS2_HK_L2_DMAC]			= { 46,  48},
897	[VCAP_IS2_HK_L2_SMAC]			= { 94,  48},
898	/* MAC_ETYPE (TYPE=000) */
899	[VCAP_IS2_HK_MAC_ETYPE_ETYPE]		= {142,  16},
900	[VCAP_IS2_HK_MAC_ETYPE_L2_PAYLOAD0]	= {158,  16},
901	[VCAP_IS2_HK_MAC_ETYPE_L2_PAYLOAD1]	= {174,   8},
902	[VCAP_IS2_HK_MAC_ETYPE_L2_PAYLOAD2]	= {182,   3},
903	/* MAC_LLC (TYPE=001) */
904	[VCAP_IS2_HK_MAC_LLC_L2_LLC]		= {142,  40},
905	/* MAC_SNAP (TYPE=010) */
906	[VCAP_IS2_HK_MAC_SNAP_L2_SNAP]		= {142,  40},
907	/* MAC_ARP (TYPE=011) */
908	[VCAP_IS2_HK_MAC_ARP_SMAC]		= { 46,  48},
909	[VCAP_IS2_HK_MAC_ARP_ADDR_SPACE_OK]	= { 94,   1},
910	[VCAP_IS2_HK_MAC_ARP_PROTO_SPACE_OK]	= { 95,   1},
911	[VCAP_IS2_HK_MAC_ARP_LEN_OK]		= { 96,   1},
912	[VCAP_IS2_HK_MAC_ARP_TARGET_MATCH]	= { 97,   1},
913	[VCAP_IS2_HK_MAC_ARP_SENDER_MATCH]	= { 98,   1},
914	[VCAP_IS2_HK_MAC_ARP_OPCODE_UNKNOWN]	= { 99,   1},
915	[VCAP_IS2_HK_MAC_ARP_OPCODE]		= {100,   2},
916	[VCAP_IS2_HK_MAC_ARP_L3_IP4_DIP]	= {102,  32},
917	[VCAP_IS2_HK_MAC_ARP_L3_IP4_SIP]	= {134,  32},
918	[VCAP_IS2_HK_MAC_ARP_DIP_EQ_SIP]	= {166,   1},
919	/* IP4_TCP_UDP / IP4_OTHER common */
920	[VCAP_IS2_HK_IP4]			= { 46,   1},
921	[VCAP_IS2_HK_L3_FRAGMENT]		= { 47,   1},
922	[VCAP_IS2_HK_L3_FRAG_OFS_GT0]		= { 48,   1},
923	[VCAP_IS2_HK_L3_OPTIONS]		= { 49,   1},
924	[VCAP_IS2_HK_IP4_L3_TTL_GT0]		= { 50,   1},
925	[VCAP_IS2_HK_L3_TOS]			= { 51,   8},
926	[VCAP_IS2_HK_L3_IP4_DIP]		= { 59,  32},
927	[VCAP_IS2_HK_L3_IP4_SIP]		= { 91,  32},
928	[VCAP_IS2_HK_DIP_EQ_SIP]		= {123,   1},
929	/* IP4_TCP_UDP (TYPE=100) */
930	[VCAP_IS2_HK_TCP]			= {124,   1},
931	[VCAP_IS2_HK_L4_DPORT]			= {125,  16},
932	[VCAP_IS2_HK_L4_SPORT]			= {141,  16},
933	[VCAP_IS2_HK_L4_RNG]			= {157,   8},
934	[VCAP_IS2_HK_L4_SPORT_EQ_DPORT]		= {165,   1},
935	[VCAP_IS2_HK_L4_SEQUENCE_EQ0]		= {166,   1},
936	[VCAP_IS2_HK_L4_FIN]			= {167,   1},
937	[VCAP_IS2_HK_L4_SYN]			= {168,   1},
938	[VCAP_IS2_HK_L4_RST]			= {169,   1},
939	[VCAP_IS2_HK_L4_PSH]			= {170,   1},
940	[VCAP_IS2_HK_L4_ACK]			= {171,   1},
941	[VCAP_IS2_HK_L4_URG]			= {172,   1},
942	[VCAP_IS2_HK_L4_1588_DOM]		= {173,   8},
943	[VCAP_IS2_HK_L4_1588_VER]		= {181,   4},
944	/* IP4_OTHER (TYPE=101) */
945	[VCAP_IS2_HK_IP4_L3_PROTO]		= {124,   8},
946	[VCAP_IS2_HK_L3_PAYLOAD]		= {132,  56},
947	/* IP6_STD (TYPE=110) */
948	[VCAP_IS2_HK_IP6_L3_TTL_GT0]		= { 46,   1},
949	[VCAP_IS2_HK_L3_IP6_SIP]		= { 47, 128},
950	[VCAP_IS2_HK_IP6_L3_PROTO]		= {175,   8},
951	/* OAM (TYPE=111) */
952	[VCAP_IS2_HK_OAM_MEL_FLAGS]		= {142,   7},
953	[VCAP_IS2_HK_OAM_VER]			= {149,   5},
954	[VCAP_IS2_HK_OAM_OPCODE]		= {154,   8},
955	[VCAP_IS2_HK_OAM_FLAGS]			= {162,   8},
956	[VCAP_IS2_HK_OAM_MEPID]			= {170,  16},
957	[VCAP_IS2_HK_OAM_CCM_CNTS_EQ0]		= {186,   1},
958	[VCAP_IS2_HK_OAM_IS_Y1731]		= {187,   1},
959};
960
961static const struct vcap_field vsc7514_vcap_is2_actions[] = {
962	[VCAP_IS2_ACT_HIT_ME_ONCE]		= {  0,  1},
963	[VCAP_IS2_ACT_CPU_COPY_ENA]		= {  1,  1},
964	[VCAP_IS2_ACT_CPU_QU_NUM]		= {  2,  3},
965	[VCAP_IS2_ACT_MASK_MODE]		= {  5,  2},
966	[VCAP_IS2_ACT_MIRROR_ENA]		= {  7,  1},
967	[VCAP_IS2_ACT_LRN_DIS]			= {  8,  1},
968	[VCAP_IS2_ACT_POLICE_ENA]		= {  9,  1},
969	[VCAP_IS2_ACT_POLICE_IDX]		= { 10,  9},
970	[VCAP_IS2_ACT_POLICE_VCAP_ONLY]		= { 19,  1},
971	[VCAP_IS2_ACT_PORT_MASK]		= { 20, 11},
972	[VCAP_IS2_ACT_REW_OP]			= { 31,  9},
973	[VCAP_IS2_ACT_SMAC_REPLACE_ENA]		= { 40,  1},
974	[VCAP_IS2_ACT_RSV]			= { 41,  2},
975	[VCAP_IS2_ACT_ACL_ID]			= { 43,  6},
976	[VCAP_IS2_ACT_HIT_CNT]			= { 49, 32},
977};
978
979static struct vcap_props vsc7514_vcap_props[] = {
980	[VCAP_ES0] = {
981		.action_type_width = 0,
982		.action_table = {
983			[ES0_ACTION_TYPE_NORMAL] = {
984				.width = 73, /* HIT_STICKY not included */
985				.count = 1,
986			},
987		},
988		.target = S0,
989		.keys = vsc7514_vcap_es0_keys,
990		.actions = vsc7514_vcap_es0_actions,
991	},
992	[VCAP_IS1] = {
993		.action_type_width = 0,
994		.action_table = {
995			[IS1_ACTION_TYPE_NORMAL] = {
996				.width = 78, /* HIT_STICKY not included */
997				.count = 4,
998			},
999		},
1000		.target = S1,
1001		.keys = vsc7514_vcap_is1_keys,
1002		.actions = vsc7514_vcap_is1_actions,
1003	},
1004	[VCAP_IS2] = {
1005		.action_type_width = 1,
1006		.action_table = {
1007			[IS2_ACTION_TYPE_NORMAL] = {
1008				.width = 49,
1009				.count = 2
1010			},
1011			[IS2_ACTION_TYPE_SMAC_SIP] = {
1012				.width = 6,
1013				.count = 4
1014			},
1015		},
1016		.target = S2,
1017		.keys = vsc7514_vcap_is2_keys,
1018		.actions = vsc7514_vcap_is2_actions,
1019	},
1020};
1021
1022static struct ptp_clock_info ocelot_ptp_clock_info = {
1023	.owner		= THIS_MODULE,
1024	.name		= "ocelot ptp",
1025	.max_adj	= 0x7fffffff,
1026	.n_alarm	= 0,
1027	.n_ext_ts	= 0,
1028	.n_per_out	= OCELOT_PTP_PINS_NUM,
1029	.n_pins		= OCELOT_PTP_PINS_NUM,
1030	.pps		= 0,
1031	.gettime64	= ocelot_ptp_gettime64,
1032	.settime64	= ocelot_ptp_settime64,
1033	.adjtime	= ocelot_ptp_adjtime,
1034	.adjfine	= ocelot_ptp_adjfine,
1035	.verify		= ocelot_ptp_verify,
1036	.enable		= ocelot_ptp_enable,
1037};
1038
1039static void mscc_ocelot_release_ports(struct ocelot *ocelot)
1040{
1041	int port;
1042
1043	for (port = 0; port < ocelot->num_phys_ports; port++) {
1044		struct ocelot_port_private *priv;
1045		struct ocelot_port *ocelot_port;
1046
1047		ocelot_port = ocelot->ports[port];
1048		if (!ocelot_port)
1049			continue;
1050
1051		ocelot_deinit_port(ocelot, port);
1052
1053		priv = container_of(ocelot_port, struct ocelot_port_private,
1054				    port);
1055
1056		unregister_netdev(priv->dev);
1057		free_netdev(priv->dev);
1058	}
1059}
1060
1061static int mscc_ocelot_init_ports(struct platform_device *pdev,
1062				  struct device_node *ports)
1063{
1064	struct ocelot *ocelot = platform_get_drvdata(pdev);
1065	struct device_node *portnp;
1066	int err;
1067
1068	ocelot->ports = devm_kcalloc(ocelot->dev, ocelot->num_phys_ports,
1069				     sizeof(struct ocelot_port *), GFP_KERNEL);
1070	if (!ocelot->ports)
1071		return -ENOMEM;
1072
1073	for_each_available_child_of_node(ports, portnp) {
1074		struct ocelot_port_private *priv;
1075		struct ocelot_port *ocelot_port;
1076		struct device_node *phy_node;
1077		phy_interface_t phy_mode;
1078		struct phy_device *phy;
1079		struct regmap *target;
1080		struct resource *res;
1081		struct phy *serdes;
1082		char res_name[8];
1083		u32 port;
1084
1085		if (of_property_read_u32(portnp, "reg", &port))
1086			continue;
1087
1088		snprintf(res_name, sizeof(res_name), "port%d", port);
1089
1090		res = platform_get_resource_byname(pdev, IORESOURCE_MEM,
1091						   res_name);
1092		target = ocelot_regmap_init(ocelot, res);
1093		if (IS_ERR(target))
1094			continue;
1095
1096		phy_node = of_parse_phandle(portnp, "phy-handle", 0);
1097		if (!phy_node)
1098			continue;
1099
1100		phy = of_phy_find_device(phy_node);
1101		of_node_put(phy_node);
1102		if (!phy)
1103			continue;
1104
1105		err = ocelot_probe_port(ocelot, port, target, phy);
1106		if (err) {
1107			of_node_put(portnp);
1108			return err;
1109		}
1110
1111		ocelot_port = ocelot->ports[port];
1112		priv = container_of(ocelot_port, struct ocelot_port_private,
1113				    port);
1114
1115		of_get_phy_mode(portnp, &phy_mode);
1116
1117		ocelot_port->phy_mode = phy_mode;
1118
1119		switch (ocelot_port->phy_mode) {
1120		case PHY_INTERFACE_MODE_NA:
1121			continue;
1122		case PHY_INTERFACE_MODE_SGMII:
1123			break;
1124		case PHY_INTERFACE_MODE_QSGMII:
1125			/* Ensure clock signals and speed is set on all
1126			 * QSGMII links
1127			 */
1128			ocelot_port_writel(ocelot_port,
1129					   DEV_CLOCK_CFG_LINK_SPEED
1130					   (OCELOT_SPEED_1000),
1131					   DEV_CLOCK_CFG);
1132			break;
1133		default:
1134			dev_err(ocelot->dev,
1135				"invalid phy mode for port%d, (Q)SGMII only\n",
1136				port);
1137			of_node_put(portnp);
1138			return -EINVAL;
1139		}
1140
1141		serdes = devm_of_phy_get(ocelot->dev, portnp, NULL);
1142		if (IS_ERR(serdes)) {
1143			err = PTR_ERR(serdes);
1144			if (err == -EPROBE_DEFER)
1145				dev_dbg(ocelot->dev, "deferring probe\n");
1146			else
1147				dev_err(ocelot->dev,
1148					"missing SerDes phys for port%d\n",
1149					port);
1150
1151			of_node_put(portnp);
1152			return err;
1153		}
1154
1155		priv->serdes = serdes;
1156	}
1157
1158	return 0;
1159}
1160
1161static int mscc_ocelot_probe(struct platform_device *pdev)
1162{
1163	struct device_node *np = pdev->dev.of_node;
1164	int err, irq_xtr, irq_ptp_rdy;
1165	struct device_node *ports;
1166	struct ocelot *ocelot;
1167	struct regmap *hsio;
1168	unsigned int i;
1169
1170	struct {
1171		enum ocelot_target id;
1172		char *name;
1173		u8 optional:1;
1174	} io_target[] = {
1175		{ SYS, "sys" },
1176		{ REW, "rew" },
1177		{ QSYS, "qsys" },
1178		{ ANA, "ana" },
1179		{ QS, "qs" },
1180		{ S0, "s0" },
1181		{ S1, "s1" },
1182		{ S2, "s2" },
1183		{ PTP, "ptp", 1 },
1184	};
1185
1186	if (!np && !pdev->dev.platform_data)
1187		return -ENODEV;
1188
1189	ocelot = devm_kzalloc(&pdev->dev, sizeof(*ocelot), GFP_KERNEL);
1190	if (!ocelot)
1191		return -ENOMEM;
1192
1193	platform_set_drvdata(pdev, ocelot);
1194	ocelot->dev = &pdev->dev;
1195
1196	for (i = 0; i < ARRAY_SIZE(io_target); i++) {
1197		struct regmap *target;
1198		struct resource *res;
1199
1200		res = platform_get_resource_byname(pdev, IORESOURCE_MEM,
1201						   io_target[i].name);
1202
1203		target = ocelot_regmap_init(ocelot, res);
1204		if (IS_ERR(target)) {
1205			if (io_target[i].optional) {
1206				ocelot->targets[io_target[i].id] = NULL;
1207				continue;
1208			}
1209			return PTR_ERR(target);
1210		}
1211
1212		ocelot->targets[io_target[i].id] = target;
1213	}
1214
1215	hsio = syscon_regmap_lookup_by_compatible("mscc,ocelot-hsio");
1216	if (IS_ERR(hsio)) {
1217		dev_err(&pdev->dev, "missing hsio syscon\n");
1218		return PTR_ERR(hsio);
1219	}
1220
1221	ocelot->targets[HSIO] = hsio;
1222
1223	err = ocelot_chip_init(ocelot, &ocelot_ops);
1224	if (err)
1225		return err;
1226
1227	irq_xtr = platform_get_irq_byname(pdev, "xtr");
1228	if (irq_xtr < 0)
1229		return -ENODEV;
1230
1231	err = devm_request_threaded_irq(&pdev->dev, irq_xtr, NULL,
1232					ocelot_xtr_irq_handler, IRQF_ONESHOT,
1233					"frame extraction", ocelot);
1234	if (err)
1235		return err;
1236
1237	irq_ptp_rdy = platform_get_irq_byname(pdev, "ptp_rdy");
1238	if (irq_ptp_rdy > 0 && ocelot->targets[PTP]) {
1239		err = devm_request_threaded_irq(&pdev->dev, irq_ptp_rdy, NULL,
1240						ocelot_ptp_rdy_irq_handler,
1241						IRQF_ONESHOT, "ptp ready",
1242						ocelot);
1243		if (err)
1244			return err;
1245
1246		/* Both the PTP interrupt and the PTP bank are available */
1247		ocelot->ptp = 1;
1248	}
1249
1250	ports = of_get_child_by_name(np, "ethernet-ports");
1251	if (!ports) {
1252		dev_err(ocelot->dev, "no ethernet-ports child node found\n");
1253		return -ENODEV;
1254	}
1255
1256	ocelot->num_phys_ports = of_get_child_count(ports);
1257	ocelot->num_flooding_pgids = 1;
1258
1259	ocelot->vcap = vsc7514_vcap_props;
1260	ocelot->inj_prefix = OCELOT_TAG_PREFIX_NONE;
1261	ocelot->xtr_prefix = OCELOT_TAG_PREFIX_NONE;
1262	ocelot->npi = -1;
1263
1264	err = ocelot_init(ocelot);
1265	if (err)
1266		goto out_put_ports;
1267
1268	err = mscc_ocelot_init_ports(pdev, ports);
1269	if (err)
1270		goto out_ocelot_deinit;
1271
1272	if (ocelot->ptp) {
1273		err = ocelot_init_timestamp(ocelot, &ocelot_ptp_clock_info);
1274		if (err) {
1275			dev_err(ocelot->dev,
1276				"Timestamp initialization failed\n");
1277			ocelot->ptp = 0;
1278		}
1279	}
1280
1281	register_netdevice_notifier(&ocelot_netdevice_nb);
1282	register_switchdev_notifier(&ocelot_switchdev_nb);
1283	register_switchdev_blocking_notifier(&ocelot_switchdev_blocking_nb);
1284
1285	of_node_put(ports);
1286
1287	dev_info(&pdev->dev, "Ocelot switch probed\n");
1288
1289	return 0;
1290
1291out_ocelot_deinit:
1292	ocelot_deinit(ocelot);
1293out_put_ports:
1294	of_node_put(ports);
1295	return err;
1296}
1297
1298static int mscc_ocelot_remove(struct platform_device *pdev)
1299{
1300	struct ocelot *ocelot = platform_get_drvdata(pdev);
1301
1302	ocelot_deinit_timestamp(ocelot);
1303	mscc_ocelot_release_ports(ocelot);
1304	ocelot_deinit(ocelot);
1305	unregister_switchdev_blocking_notifier(&ocelot_switchdev_blocking_nb);
1306	unregister_switchdev_notifier(&ocelot_switchdev_nb);
1307	unregister_netdevice_notifier(&ocelot_netdevice_nb);
1308
1309	return 0;
1310}
1311
1312static struct platform_driver mscc_ocelot_driver = {
1313	.probe = mscc_ocelot_probe,
1314	.remove = mscc_ocelot_remove,
1315	.driver = {
1316		.name = "ocelot-switch",
1317		.of_match_table = mscc_ocelot_match,
1318	},
1319};
1320
1321module_platform_driver(mscc_ocelot_driver);
1322
1323MODULE_DESCRIPTION("Microsemi Ocelot switch driver");
1324MODULE_AUTHOR("Alexandre Belloni <alexandre.belloni@bootlin.com>");
1325MODULE_LICENSE("Dual MIT/GPL");
1326