xref: /linux/drivers/net/dsa/ocelot/felix_vsc9959.c (revision 05ee19c18c2bb3dea69e29219017367c4a77e65a)
1 // SPDX-License-Identifier: (GPL-2.0 OR MIT)
2 /* Copyright 2017 Microsemi Corporation
3  * Copyright 2018-2019 NXP Semiconductors
4  */
5 #include <linux/fsl/enetc_mdio.h>
6 #include <soc/mscc/ocelot_qsys.h>
7 #include <soc/mscc/ocelot_vcap.h>
8 #include <soc/mscc/ocelot_ptp.h>
9 #include <soc/mscc/ocelot_sys.h>
10 #include <soc/mscc/ocelot.h>
11 #include <net/pkt_sched.h>
12 #include <linux/iopoll.h>
13 #include <linux/pci.h>
14 #include "felix.h"
15 
16 #define VSC9959_VCAP_IS2_CNT		1024
17 #define VSC9959_VCAP_IS2_ENTRY_WIDTH	376
18 #define VSC9959_VCAP_PORT_CNT		6
19 
20 /* TODO: should find a better place for these */
21 #define USXGMII_BMCR_RESET		BIT(15)
22 #define USXGMII_BMCR_AN_EN		BIT(12)
23 #define USXGMII_BMCR_RST_AN		BIT(9)
24 #define USXGMII_BMSR_LNKS(status)	(((status) & GENMASK(2, 2)) >> 2)
25 #define USXGMII_BMSR_AN_CMPL(status)	(((status) & GENMASK(5, 5)) >> 5)
26 #define USXGMII_ADVERTISE_LNKS(x)	(((x) << 15) & BIT(15))
27 #define USXGMII_ADVERTISE_FDX		BIT(12)
28 #define USXGMII_ADVERTISE_SPEED(x)	(((x) << 9) & GENMASK(11, 9))
29 #define USXGMII_LPA_LNKS(lpa)		((lpa) >> 15)
30 #define USXGMII_LPA_DUPLEX(lpa)		(((lpa) & GENMASK(12, 12)) >> 12)
31 #define USXGMII_LPA_SPEED(lpa)		(((lpa) & GENMASK(11, 9)) >> 9)
32 
33 #define VSC9959_TAS_GCL_ENTRY_MAX	63
34 
35 enum usxgmii_speed {
36 	USXGMII_SPEED_10	= 0,
37 	USXGMII_SPEED_100	= 1,
38 	USXGMII_SPEED_1000	= 2,
39 	USXGMII_SPEED_2500	= 4,
40 };
41 
42 static const u32 vsc9959_ana_regmap[] = {
43 	REG(ANA_ADVLEARN,			0x0089a0),
44 	REG(ANA_VLANMASK,			0x0089a4),
45 	REG_RESERVED(ANA_PORT_B_DOMAIN),
46 	REG(ANA_ANAGEFIL,			0x0089ac),
47 	REG(ANA_ANEVENTS,			0x0089b0),
48 	REG(ANA_STORMLIMIT_BURST,		0x0089b4),
49 	REG(ANA_STORMLIMIT_CFG,			0x0089b8),
50 	REG(ANA_ISOLATED_PORTS,			0x0089c8),
51 	REG(ANA_COMMUNITY_PORTS,		0x0089cc),
52 	REG(ANA_AUTOAGE,			0x0089d0),
53 	REG(ANA_MACTOPTIONS,			0x0089d4),
54 	REG(ANA_LEARNDISC,			0x0089d8),
55 	REG(ANA_AGENCTRL,			0x0089dc),
56 	REG(ANA_MIRRORPORTS,			0x0089e0),
57 	REG(ANA_EMIRRORPORTS,			0x0089e4),
58 	REG(ANA_FLOODING,			0x0089e8),
59 	REG(ANA_FLOODING_IPMC,			0x008a08),
60 	REG(ANA_SFLOW_CFG,			0x008a0c),
61 	REG(ANA_PORT_MODE,			0x008a28),
62 	REG(ANA_CUT_THRU_CFG,			0x008a48),
63 	REG(ANA_PGID_PGID,			0x008400),
64 	REG(ANA_TABLES_ANMOVED,			0x007f1c),
65 	REG(ANA_TABLES_MACHDATA,		0x007f20),
66 	REG(ANA_TABLES_MACLDATA,		0x007f24),
67 	REG(ANA_TABLES_STREAMDATA,		0x007f28),
68 	REG(ANA_TABLES_MACACCESS,		0x007f2c),
69 	REG(ANA_TABLES_MACTINDX,		0x007f30),
70 	REG(ANA_TABLES_VLANACCESS,		0x007f34),
71 	REG(ANA_TABLES_VLANTIDX,		0x007f38),
72 	REG(ANA_TABLES_ISDXACCESS,		0x007f3c),
73 	REG(ANA_TABLES_ISDXTIDX,		0x007f40),
74 	REG(ANA_TABLES_ENTRYLIM,		0x007f00),
75 	REG(ANA_TABLES_PTP_ID_HIGH,		0x007f44),
76 	REG(ANA_TABLES_PTP_ID_LOW,		0x007f48),
77 	REG(ANA_TABLES_STREAMACCESS,		0x007f4c),
78 	REG(ANA_TABLES_STREAMTIDX,		0x007f50),
79 	REG(ANA_TABLES_SEQ_HISTORY,		0x007f54),
80 	REG(ANA_TABLES_SEQ_MASK,		0x007f58),
81 	REG(ANA_TABLES_SFID_MASK,		0x007f5c),
82 	REG(ANA_TABLES_SFIDACCESS,		0x007f60),
83 	REG(ANA_TABLES_SFIDTIDX,		0x007f64),
84 	REG(ANA_MSTI_STATE,			0x008600),
85 	REG(ANA_OAM_UPM_LM_CNT,			0x008000),
86 	REG(ANA_SG_ACCESS_CTRL,			0x008a64),
87 	REG(ANA_SG_CONFIG_REG_1,		0x007fb0),
88 	REG(ANA_SG_CONFIG_REG_2,		0x007fb4),
89 	REG(ANA_SG_CONFIG_REG_3,		0x007fb8),
90 	REG(ANA_SG_CONFIG_REG_4,		0x007fbc),
91 	REG(ANA_SG_CONFIG_REG_5,		0x007fc0),
92 	REG(ANA_SG_GCL_GS_CONFIG,		0x007f80),
93 	REG(ANA_SG_GCL_TI_CONFIG,		0x007f90),
94 	REG(ANA_SG_STATUS_REG_1,		0x008980),
95 	REG(ANA_SG_STATUS_REG_2,		0x008984),
96 	REG(ANA_SG_STATUS_REG_3,		0x008988),
97 	REG(ANA_PORT_VLAN_CFG,			0x007800),
98 	REG(ANA_PORT_DROP_CFG,			0x007804),
99 	REG(ANA_PORT_QOS_CFG,			0x007808),
100 	REG(ANA_PORT_VCAP_CFG,			0x00780c),
101 	REG(ANA_PORT_VCAP_S1_KEY_CFG,		0x007810),
102 	REG(ANA_PORT_VCAP_S2_CFG,		0x00781c),
103 	REG(ANA_PORT_PCP_DEI_MAP,		0x007820),
104 	REG(ANA_PORT_CPU_FWD_CFG,		0x007860),
105 	REG(ANA_PORT_CPU_FWD_BPDU_CFG,		0x007864),
106 	REG(ANA_PORT_CPU_FWD_GARP_CFG,		0x007868),
107 	REG(ANA_PORT_CPU_FWD_CCM_CFG,		0x00786c),
108 	REG(ANA_PORT_PORT_CFG,			0x007870),
109 	REG(ANA_PORT_POL_CFG,			0x007874),
110 	REG(ANA_PORT_PTP_CFG,			0x007878),
111 	REG(ANA_PORT_PTP_DLY1_CFG,		0x00787c),
112 	REG(ANA_PORT_PTP_DLY2_CFG,		0x007880),
113 	REG(ANA_PORT_SFID_CFG,			0x007884),
114 	REG(ANA_PFC_PFC_CFG,			0x008800),
115 	REG_RESERVED(ANA_PFC_PFC_TIMER),
116 	REG_RESERVED(ANA_IPT_OAM_MEP_CFG),
117 	REG_RESERVED(ANA_IPT_IPT),
118 	REG_RESERVED(ANA_PPT_PPT),
119 	REG_RESERVED(ANA_FID_MAP_FID_MAP),
120 	REG(ANA_AGGR_CFG,			0x008a68),
121 	REG(ANA_CPUQ_CFG,			0x008a6c),
122 	REG_RESERVED(ANA_CPUQ_CFG2),
123 	REG(ANA_CPUQ_8021_CFG,			0x008a74),
124 	REG(ANA_DSCP_CFG,			0x008ab4),
125 	REG(ANA_DSCP_REWR_CFG,			0x008bb4),
126 	REG(ANA_VCAP_RNG_TYPE_CFG,		0x008bf4),
127 	REG(ANA_VCAP_RNG_VAL_CFG,		0x008c14),
128 	REG_RESERVED(ANA_VRAP_CFG),
129 	REG_RESERVED(ANA_VRAP_HDR_DATA),
130 	REG_RESERVED(ANA_VRAP_HDR_MASK),
131 	REG(ANA_DISCARD_CFG,			0x008c40),
132 	REG(ANA_FID_CFG,			0x008c44),
133 	REG(ANA_POL_PIR_CFG,			0x004000),
134 	REG(ANA_POL_CIR_CFG,			0x004004),
135 	REG(ANA_POL_MODE_CFG,			0x004008),
136 	REG(ANA_POL_PIR_STATE,			0x00400c),
137 	REG(ANA_POL_CIR_STATE,			0x004010),
138 	REG_RESERVED(ANA_POL_STATE),
139 	REG(ANA_POL_FLOWC,			0x008c48),
140 	REG(ANA_POL_HYST,			0x008cb4),
141 	REG_RESERVED(ANA_POL_MISC_CFG),
142 };
143 
144 static const u32 vsc9959_qs_regmap[] = {
145 	REG(QS_XTR_GRP_CFG,			0x000000),
146 	REG(QS_XTR_RD,				0x000008),
147 	REG(QS_XTR_FRM_PRUNING,			0x000010),
148 	REG(QS_XTR_FLUSH,			0x000018),
149 	REG(QS_XTR_DATA_PRESENT,		0x00001c),
150 	REG(QS_XTR_CFG,				0x000020),
151 	REG(QS_INJ_GRP_CFG,			0x000024),
152 	REG(QS_INJ_WR,				0x00002c),
153 	REG(QS_INJ_CTRL,			0x000034),
154 	REG(QS_INJ_STATUS,			0x00003c),
155 	REG(QS_INJ_ERR,				0x000040),
156 	REG_RESERVED(QS_INH_DBG),
157 };
158 
159 static const u32 vsc9959_s2_regmap[] = {
160 	REG(S2_CORE_UPDATE_CTRL,		0x000000),
161 	REG(S2_CORE_MV_CFG,			0x000004),
162 	REG(S2_CACHE_ENTRY_DAT,			0x000008),
163 	REG(S2_CACHE_MASK_DAT,			0x000108),
164 	REG(S2_CACHE_ACTION_DAT,		0x000208),
165 	REG(S2_CACHE_CNT_DAT,			0x000308),
166 	REG(S2_CACHE_TG_DAT,			0x000388),
167 };
168 
169 static const u32 vsc9959_qsys_regmap[] = {
170 	REG(QSYS_PORT_MODE,			0x00f460),
171 	REG(QSYS_SWITCH_PORT_MODE,		0x00f480),
172 	REG(QSYS_STAT_CNT_CFG,			0x00f49c),
173 	REG(QSYS_EEE_CFG,			0x00f4a0),
174 	REG(QSYS_EEE_THRES,			0x00f4b8),
175 	REG(QSYS_IGR_NO_SHARING,		0x00f4bc),
176 	REG(QSYS_EGR_NO_SHARING,		0x00f4c0),
177 	REG(QSYS_SW_STATUS,			0x00f4c4),
178 	REG(QSYS_EXT_CPU_CFG,			0x00f4e0),
179 	REG_RESERVED(QSYS_PAD_CFG),
180 	REG(QSYS_CPU_GROUP_MAP,			0x00f4e8),
181 	REG_RESERVED(QSYS_QMAP),
182 	REG_RESERVED(QSYS_ISDX_SGRP),
183 	REG_RESERVED(QSYS_TIMED_FRAME_ENTRY),
184 	REG(QSYS_TFRM_MISC,			0x00f50c),
185 	REG(QSYS_TFRM_PORT_DLY,			0x00f510),
186 	REG(QSYS_TFRM_TIMER_CFG_1,		0x00f514),
187 	REG(QSYS_TFRM_TIMER_CFG_2,		0x00f518),
188 	REG(QSYS_TFRM_TIMER_CFG_3,		0x00f51c),
189 	REG(QSYS_TFRM_TIMER_CFG_4,		0x00f520),
190 	REG(QSYS_TFRM_TIMER_CFG_5,		0x00f524),
191 	REG(QSYS_TFRM_TIMER_CFG_6,		0x00f528),
192 	REG(QSYS_TFRM_TIMER_CFG_7,		0x00f52c),
193 	REG(QSYS_TFRM_TIMER_CFG_8,		0x00f530),
194 	REG(QSYS_RED_PROFILE,			0x00f534),
195 	REG(QSYS_RES_QOS_MODE,			0x00f574),
196 	REG(QSYS_RES_CFG,			0x00c000),
197 	REG(QSYS_RES_STAT,			0x00c004),
198 	REG(QSYS_EGR_DROP_MODE,			0x00f578),
199 	REG(QSYS_EQ_CTRL,			0x00f57c),
200 	REG_RESERVED(QSYS_EVENTS_CORE),
201 	REG(QSYS_QMAXSDU_CFG_0,			0x00f584),
202 	REG(QSYS_QMAXSDU_CFG_1,			0x00f5a0),
203 	REG(QSYS_QMAXSDU_CFG_2,			0x00f5bc),
204 	REG(QSYS_QMAXSDU_CFG_3,			0x00f5d8),
205 	REG(QSYS_QMAXSDU_CFG_4,			0x00f5f4),
206 	REG(QSYS_QMAXSDU_CFG_5,			0x00f610),
207 	REG(QSYS_QMAXSDU_CFG_6,			0x00f62c),
208 	REG(QSYS_QMAXSDU_CFG_7,			0x00f648),
209 	REG(QSYS_PREEMPTION_CFG,		0x00f664),
210 	REG(QSYS_CIR_CFG,			0x000000),
211 	REG(QSYS_EIR_CFG,			0x000004),
212 	REG(QSYS_SE_CFG,			0x000008),
213 	REG(QSYS_SE_DWRR_CFG,			0x00000c),
214 	REG_RESERVED(QSYS_SE_CONNECT),
215 	REG(QSYS_SE_DLB_SENSE,			0x000040),
216 	REG(QSYS_CIR_STATE,			0x000044),
217 	REG(QSYS_EIR_STATE,			0x000048),
218 	REG_RESERVED(QSYS_SE_STATE),
219 	REG(QSYS_HSCH_MISC_CFG,			0x00f67c),
220 	REG(QSYS_TAG_CONFIG,			0x00f680),
221 	REG(QSYS_TAS_PARAM_CFG_CTRL,		0x00f698),
222 	REG(QSYS_PORT_MAX_SDU,			0x00f69c),
223 	REG(QSYS_PARAM_CFG_REG_1,		0x00f440),
224 	REG(QSYS_PARAM_CFG_REG_2,		0x00f444),
225 	REG(QSYS_PARAM_CFG_REG_3,		0x00f448),
226 	REG(QSYS_PARAM_CFG_REG_4,		0x00f44c),
227 	REG(QSYS_PARAM_CFG_REG_5,		0x00f450),
228 	REG(QSYS_GCL_CFG_REG_1,			0x00f454),
229 	REG(QSYS_GCL_CFG_REG_2,			0x00f458),
230 	REG(QSYS_PARAM_STATUS_REG_1,		0x00f400),
231 	REG(QSYS_PARAM_STATUS_REG_2,		0x00f404),
232 	REG(QSYS_PARAM_STATUS_REG_3,		0x00f408),
233 	REG(QSYS_PARAM_STATUS_REG_4,		0x00f40c),
234 	REG(QSYS_PARAM_STATUS_REG_5,		0x00f410),
235 	REG(QSYS_PARAM_STATUS_REG_6,		0x00f414),
236 	REG(QSYS_PARAM_STATUS_REG_7,		0x00f418),
237 	REG(QSYS_PARAM_STATUS_REG_8,		0x00f41c),
238 	REG(QSYS_PARAM_STATUS_REG_9,		0x00f420),
239 	REG(QSYS_GCL_STATUS_REG_1,		0x00f424),
240 	REG(QSYS_GCL_STATUS_REG_2,		0x00f428),
241 };
242 
243 static const u32 vsc9959_rew_regmap[] = {
244 	REG(REW_PORT_VLAN_CFG,			0x000000),
245 	REG(REW_TAG_CFG,			0x000004),
246 	REG(REW_PORT_CFG,			0x000008),
247 	REG(REW_DSCP_CFG,			0x00000c),
248 	REG(REW_PCP_DEI_QOS_MAP_CFG,		0x000010),
249 	REG(REW_PTP_CFG,			0x000050),
250 	REG(REW_PTP_DLY1_CFG,			0x000054),
251 	REG(REW_RED_TAG_CFG,			0x000058),
252 	REG(REW_DSCP_REMAP_DP1_CFG,		0x000410),
253 	REG(REW_DSCP_REMAP_CFG,			0x000510),
254 	REG_RESERVED(REW_STAT_CFG),
255 	REG_RESERVED(REW_REW_STICKY),
256 	REG_RESERVED(REW_PPT),
257 };
258 
259 static const u32 vsc9959_sys_regmap[] = {
260 	REG(SYS_COUNT_RX_OCTETS,		0x000000),
261 	REG(SYS_COUNT_RX_MULTICAST,		0x000008),
262 	REG(SYS_COUNT_RX_SHORTS,		0x000010),
263 	REG(SYS_COUNT_RX_FRAGMENTS,		0x000014),
264 	REG(SYS_COUNT_RX_JABBERS,		0x000018),
265 	REG(SYS_COUNT_RX_64,			0x000024),
266 	REG(SYS_COUNT_RX_65_127,		0x000028),
267 	REG(SYS_COUNT_RX_128_255,		0x00002c),
268 	REG(SYS_COUNT_RX_256_1023,		0x000030),
269 	REG(SYS_COUNT_RX_1024_1526,		0x000034),
270 	REG(SYS_COUNT_RX_1527_MAX,		0x000038),
271 	REG(SYS_COUNT_RX_LONGS,			0x000044),
272 	REG(SYS_COUNT_TX_OCTETS,		0x000200),
273 	REG(SYS_COUNT_TX_COLLISION,		0x000210),
274 	REG(SYS_COUNT_TX_DROPS,			0x000214),
275 	REG(SYS_COUNT_TX_64,			0x00021c),
276 	REG(SYS_COUNT_TX_65_127,		0x000220),
277 	REG(SYS_COUNT_TX_128_511,		0x000224),
278 	REG(SYS_COUNT_TX_512_1023,		0x000228),
279 	REG(SYS_COUNT_TX_1024_1526,		0x00022c),
280 	REG(SYS_COUNT_TX_1527_MAX,		0x000230),
281 	REG(SYS_COUNT_TX_AGING,			0x000278),
282 	REG(SYS_RESET_CFG,			0x000e00),
283 	REG(SYS_SR_ETYPE_CFG,			0x000e04),
284 	REG(SYS_VLAN_ETYPE_CFG,			0x000e08),
285 	REG(SYS_PORT_MODE,			0x000e0c),
286 	REG(SYS_FRONT_PORT_MODE,		0x000e2c),
287 	REG(SYS_FRM_AGING,			0x000e44),
288 	REG(SYS_STAT_CFG,			0x000e48),
289 	REG(SYS_SW_STATUS,			0x000e4c),
290 	REG_RESERVED(SYS_MISC_CFG),
291 	REG(SYS_REW_MAC_HIGH_CFG,		0x000e6c),
292 	REG(SYS_REW_MAC_LOW_CFG,		0x000e84),
293 	REG(SYS_TIMESTAMP_OFFSET,		0x000e9c),
294 	REG(SYS_PAUSE_CFG,			0x000ea0),
295 	REG(SYS_PAUSE_TOT_CFG,			0x000ebc),
296 	REG(SYS_ATOP,				0x000ec0),
297 	REG(SYS_ATOP_TOT_CFG,			0x000edc),
298 	REG(SYS_MAC_FC_CFG,			0x000ee0),
299 	REG(SYS_MMGT,				0x000ef8),
300 	REG_RESERVED(SYS_MMGT_FAST),
301 	REG_RESERVED(SYS_EVENTS_DIF),
302 	REG_RESERVED(SYS_EVENTS_CORE),
303 	REG_RESERVED(SYS_CNT),
304 	REG(SYS_PTP_STATUS,			0x000f14),
305 	REG(SYS_PTP_TXSTAMP,			0x000f18),
306 	REG(SYS_PTP_NXT,			0x000f1c),
307 	REG(SYS_PTP_CFG,			0x000f20),
308 	REG(SYS_RAM_INIT,			0x000f24),
309 	REG_RESERVED(SYS_CM_ADDR),
310 	REG_RESERVED(SYS_CM_DATA_WR),
311 	REG_RESERVED(SYS_CM_DATA_RD),
312 	REG_RESERVED(SYS_CM_OP),
313 	REG_RESERVED(SYS_CM_DATA),
314 };
315 
316 static const u32 vsc9959_ptp_regmap[] = {
317 	REG(PTP_PIN_CFG,                   0x000000),
318 	REG(PTP_PIN_TOD_SEC_MSB,           0x000004),
319 	REG(PTP_PIN_TOD_SEC_LSB,           0x000008),
320 	REG(PTP_PIN_TOD_NSEC,              0x00000c),
321 	REG(PTP_PIN_WF_HIGH_PERIOD,        0x000014),
322 	REG(PTP_PIN_WF_LOW_PERIOD,         0x000018),
323 	REG(PTP_CFG_MISC,                  0x0000a0),
324 	REG(PTP_CLK_CFG_ADJ_CFG,           0x0000a4),
325 	REG(PTP_CLK_CFG_ADJ_FREQ,          0x0000a8),
326 };
327 
328 static const u32 vsc9959_gcb_regmap[] = {
329 	REG(GCB_SOFT_RST,			0x000004),
330 };
331 
332 static const u32 *vsc9959_regmap[] = {
333 	[ANA]	= vsc9959_ana_regmap,
334 	[QS]	= vsc9959_qs_regmap,
335 	[QSYS]	= vsc9959_qsys_regmap,
336 	[REW]	= vsc9959_rew_regmap,
337 	[SYS]	= vsc9959_sys_regmap,
338 	[S2]	= vsc9959_s2_regmap,
339 	[PTP]	= vsc9959_ptp_regmap,
340 	[GCB]	= vsc9959_gcb_regmap,
341 };
342 
343 /* Addresses are relative to the PCI device's base address and
344  * will be fixed up at ioremap time.
345  */
346 static struct resource vsc9959_target_io_res[] = {
347 	[ANA] = {
348 		.start	= 0x0280000,
349 		.end	= 0x028ffff,
350 		.name	= "ana",
351 	},
352 	[QS] = {
353 		.start	= 0x0080000,
354 		.end	= 0x00800ff,
355 		.name	= "qs",
356 	},
357 	[QSYS] = {
358 		.start	= 0x0200000,
359 		.end	= 0x021ffff,
360 		.name	= "qsys",
361 	},
362 	[REW] = {
363 		.start	= 0x0030000,
364 		.end	= 0x003ffff,
365 		.name	= "rew",
366 	},
367 	[SYS] = {
368 		.start	= 0x0010000,
369 		.end	= 0x001ffff,
370 		.name	= "sys",
371 	},
372 	[S2] = {
373 		.start	= 0x0060000,
374 		.end	= 0x00603ff,
375 		.name	= "s2",
376 	},
377 	[PTP] = {
378 		.start	= 0x0090000,
379 		.end	= 0x00900cb,
380 		.name	= "ptp",
381 	},
382 	[GCB] = {
383 		.start	= 0x0070000,
384 		.end	= 0x00701ff,
385 		.name	= "devcpu_gcb",
386 	},
387 };
388 
389 static struct resource vsc9959_port_io_res[] = {
390 	{
391 		.start	= 0x0100000,
392 		.end	= 0x010ffff,
393 		.name	= "port0",
394 	},
395 	{
396 		.start	= 0x0110000,
397 		.end	= 0x011ffff,
398 		.name	= "port1",
399 	},
400 	{
401 		.start	= 0x0120000,
402 		.end	= 0x012ffff,
403 		.name	= "port2",
404 	},
405 	{
406 		.start	= 0x0130000,
407 		.end	= 0x013ffff,
408 		.name	= "port3",
409 	},
410 	{
411 		.start	= 0x0140000,
412 		.end	= 0x014ffff,
413 		.name	= "port4",
414 	},
415 	{
416 		.start	= 0x0150000,
417 		.end	= 0x015ffff,
418 		.name	= "port5",
419 	},
420 };
421 
422 /* Port MAC 0 Internal MDIO bus through which the SerDes acting as an
423  * SGMII/QSGMII MAC PCS can be found.
424  */
425 static struct resource vsc9959_imdio_res = {
426 	.start		= 0x8030,
427 	.end		= 0x8040,
428 	.name		= "imdio",
429 };
430 
431 static const struct reg_field vsc9959_regfields[] = {
432 	[ANA_ADVLEARN_VLAN_CHK] = REG_FIELD(ANA_ADVLEARN, 6, 6),
433 	[ANA_ADVLEARN_LEARN_MIRROR] = REG_FIELD(ANA_ADVLEARN, 0, 5),
434 	[ANA_ANEVENTS_FLOOD_DISCARD] = REG_FIELD(ANA_ANEVENTS, 30, 30),
435 	[ANA_ANEVENTS_AUTOAGE] = REG_FIELD(ANA_ANEVENTS, 26, 26),
436 	[ANA_ANEVENTS_STORM_DROP] = REG_FIELD(ANA_ANEVENTS, 24, 24),
437 	[ANA_ANEVENTS_LEARN_DROP] = REG_FIELD(ANA_ANEVENTS, 23, 23),
438 	[ANA_ANEVENTS_AGED_ENTRY] = REG_FIELD(ANA_ANEVENTS, 22, 22),
439 	[ANA_ANEVENTS_CPU_LEARN_FAILED] = REG_FIELD(ANA_ANEVENTS, 21, 21),
440 	[ANA_ANEVENTS_AUTO_LEARN_FAILED] = REG_FIELD(ANA_ANEVENTS, 20, 20),
441 	[ANA_ANEVENTS_LEARN_REMOVE] = REG_FIELD(ANA_ANEVENTS, 19, 19),
442 	[ANA_ANEVENTS_AUTO_LEARNED] = REG_FIELD(ANA_ANEVENTS, 18, 18),
443 	[ANA_ANEVENTS_AUTO_MOVED] = REG_FIELD(ANA_ANEVENTS, 17, 17),
444 	[ANA_ANEVENTS_CLASSIFIED_DROP] = REG_FIELD(ANA_ANEVENTS, 15, 15),
445 	[ANA_ANEVENTS_CLASSIFIED_COPY] = REG_FIELD(ANA_ANEVENTS, 14, 14),
446 	[ANA_ANEVENTS_VLAN_DISCARD] = REG_FIELD(ANA_ANEVENTS, 13, 13),
447 	[ANA_ANEVENTS_FWD_DISCARD] = REG_FIELD(ANA_ANEVENTS, 12, 12),
448 	[ANA_ANEVENTS_MULTICAST_FLOOD] = REG_FIELD(ANA_ANEVENTS, 11, 11),
449 	[ANA_ANEVENTS_UNICAST_FLOOD] = REG_FIELD(ANA_ANEVENTS, 10, 10),
450 	[ANA_ANEVENTS_DEST_KNOWN] = REG_FIELD(ANA_ANEVENTS, 9, 9),
451 	[ANA_ANEVENTS_BUCKET3_MATCH] = REG_FIELD(ANA_ANEVENTS, 8, 8),
452 	[ANA_ANEVENTS_BUCKET2_MATCH] = REG_FIELD(ANA_ANEVENTS, 7, 7),
453 	[ANA_ANEVENTS_BUCKET1_MATCH] = REG_FIELD(ANA_ANEVENTS, 6, 6),
454 	[ANA_ANEVENTS_BUCKET0_MATCH] = REG_FIELD(ANA_ANEVENTS, 5, 5),
455 	[ANA_ANEVENTS_CPU_OPERATION] = REG_FIELD(ANA_ANEVENTS, 4, 4),
456 	[ANA_ANEVENTS_DMAC_LOOKUP] = REG_FIELD(ANA_ANEVENTS, 3, 3),
457 	[ANA_ANEVENTS_SMAC_LOOKUP] = REG_FIELD(ANA_ANEVENTS, 2, 2),
458 	[ANA_ANEVENTS_SEQ_GEN_ERR_0] = REG_FIELD(ANA_ANEVENTS, 1, 1),
459 	[ANA_ANEVENTS_SEQ_GEN_ERR_1] = REG_FIELD(ANA_ANEVENTS, 0, 0),
460 	[ANA_TABLES_MACACCESS_B_DOM] = REG_FIELD(ANA_TABLES_MACACCESS, 16, 16),
461 	[ANA_TABLES_MACTINDX_BUCKET] = REG_FIELD(ANA_TABLES_MACTINDX, 11, 12),
462 	[ANA_TABLES_MACTINDX_M_INDEX] = REG_FIELD(ANA_TABLES_MACTINDX, 0, 10),
463 	[SYS_RESET_CFG_CORE_ENA] = REG_FIELD(SYS_RESET_CFG, 0, 0),
464 	[GCB_SOFT_RST_SWC_RST] = REG_FIELD(GCB_SOFT_RST, 0, 0),
465 };
466 
467 static const struct ocelot_stat_layout vsc9959_stats_layout[] = {
468 	{ .offset = 0x00,	.name = "rx_octets", },
469 	{ .offset = 0x01,	.name = "rx_unicast", },
470 	{ .offset = 0x02,	.name = "rx_multicast", },
471 	{ .offset = 0x03,	.name = "rx_broadcast", },
472 	{ .offset = 0x04,	.name = "rx_shorts", },
473 	{ .offset = 0x05,	.name = "rx_fragments", },
474 	{ .offset = 0x06,	.name = "rx_jabbers", },
475 	{ .offset = 0x07,	.name = "rx_crc_align_errs", },
476 	{ .offset = 0x08,	.name = "rx_sym_errs", },
477 	{ .offset = 0x09,	.name = "rx_frames_below_65_octets", },
478 	{ .offset = 0x0A,	.name = "rx_frames_65_to_127_octets", },
479 	{ .offset = 0x0B,	.name = "rx_frames_128_to_255_octets", },
480 	{ .offset = 0x0C,	.name = "rx_frames_256_to_511_octets", },
481 	{ .offset = 0x0D,	.name = "rx_frames_512_to_1023_octets", },
482 	{ .offset = 0x0E,	.name = "rx_frames_1024_to_1526_octets", },
483 	{ .offset = 0x0F,	.name = "rx_frames_over_1526_octets", },
484 	{ .offset = 0x10,	.name = "rx_pause", },
485 	{ .offset = 0x11,	.name = "rx_control", },
486 	{ .offset = 0x12,	.name = "rx_longs", },
487 	{ .offset = 0x13,	.name = "rx_classified_drops", },
488 	{ .offset = 0x14,	.name = "rx_red_prio_0", },
489 	{ .offset = 0x15,	.name = "rx_red_prio_1", },
490 	{ .offset = 0x16,	.name = "rx_red_prio_2", },
491 	{ .offset = 0x17,	.name = "rx_red_prio_3", },
492 	{ .offset = 0x18,	.name = "rx_red_prio_4", },
493 	{ .offset = 0x19,	.name = "rx_red_prio_5", },
494 	{ .offset = 0x1A,	.name = "rx_red_prio_6", },
495 	{ .offset = 0x1B,	.name = "rx_red_prio_7", },
496 	{ .offset = 0x1C,	.name = "rx_yellow_prio_0", },
497 	{ .offset = 0x1D,	.name = "rx_yellow_prio_1", },
498 	{ .offset = 0x1E,	.name = "rx_yellow_prio_2", },
499 	{ .offset = 0x1F,	.name = "rx_yellow_prio_3", },
500 	{ .offset = 0x20,	.name = "rx_yellow_prio_4", },
501 	{ .offset = 0x21,	.name = "rx_yellow_prio_5", },
502 	{ .offset = 0x22,	.name = "rx_yellow_prio_6", },
503 	{ .offset = 0x23,	.name = "rx_yellow_prio_7", },
504 	{ .offset = 0x24,	.name = "rx_green_prio_0", },
505 	{ .offset = 0x25,	.name = "rx_green_prio_1", },
506 	{ .offset = 0x26,	.name = "rx_green_prio_2", },
507 	{ .offset = 0x27,	.name = "rx_green_prio_3", },
508 	{ .offset = 0x28,	.name = "rx_green_prio_4", },
509 	{ .offset = 0x29,	.name = "rx_green_prio_5", },
510 	{ .offset = 0x2A,	.name = "rx_green_prio_6", },
511 	{ .offset = 0x2B,	.name = "rx_green_prio_7", },
512 	{ .offset = 0x80,	.name = "tx_octets", },
513 	{ .offset = 0x81,	.name = "tx_unicast", },
514 	{ .offset = 0x82,	.name = "tx_multicast", },
515 	{ .offset = 0x83,	.name = "tx_broadcast", },
516 	{ .offset = 0x84,	.name = "tx_collision", },
517 	{ .offset = 0x85,	.name = "tx_drops", },
518 	{ .offset = 0x86,	.name = "tx_pause", },
519 	{ .offset = 0x87,	.name = "tx_frames_below_65_octets", },
520 	{ .offset = 0x88,	.name = "tx_frames_65_to_127_octets", },
521 	{ .offset = 0x89,	.name = "tx_frames_128_255_octets", },
522 	{ .offset = 0x8B,	.name = "tx_frames_256_511_octets", },
523 	{ .offset = 0x8C,	.name = "tx_frames_1024_1526_octets", },
524 	{ .offset = 0x8D,	.name = "tx_frames_over_1526_octets", },
525 	{ .offset = 0x8E,	.name = "tx_yellow_prio_0", },
526 	{ .offset = 0x8F,	.name = "tx_yellow_prio_1", },
527 	{ .offset = 0x90,	.name = "tx_yellow_prio_2", },
528 	{ .offset = 0x91,	.name = "tx_yellow_prio_3", },
529 	{ .offset = 0x92,	.name = "tx_yellow_prio_4", },
530 	{ .offset = 0x93,	.name = "tx_yellow_prio_5", },
531 	{ .offset = 0x94,	.name = "tx_yellow_prio_6", },
532 	{ .offset = 0x95,	.name = "tx_yellow_prio_7", },
533 	{ .offset = 0x96,	.name = "tx_green_prio_0", },
534 	{ .offset = 0x97,	.name = "tx_green_prio_1", },
535 	{ .offset = 0x98,	.name = "tx_green_prio_2", },
536 	{ .offset = 0x99,	.name = "tx_green_prio_3", },
537 	{ .offset = 0x9A,	.name = "tx_green_prio_4", },
538 	{ .offset = 0x9B,	.name = "tx_green_prio_5", },
539 	{ .offset = 0x9C,	.name = "tx_green_prio_6", },
540 	{ .offset = 0x9D,	.name = "tx_green_prio_7", },
541 	{ .offset = 0x9E,	.name = "tx_aged", },
542 	{ .offset = 0x100,	.name = "drop_local", },
543 	{ .offset = 0x101,	.name = "drop_tail", },
544 	{ .offset = 0x102,	.name = "drop_yellow_prio_0", },
545 	{ .offset = 0x103,	.name = "drop_yellow_prio_1", },
546 	{ .offset = 0x104,	.name = "drop_yellow_prio_2", },
547 	{ .offset = 0x105,	.name = "drop_yellow_prio_3", },
548 	{ .offset = 0x106,	.name = "drop_yellow_prio_4", },
549 	{ .offset = 0x107,	.name = "drop_yellow_prio_5", },
550 	{ .offset = 0x108,	.name = "drop_yellow_prio_6", },
551 	{ .offset = 0x109,	.name = "drop_yellow_prio_7", },
552 	{ .offset = 0x10A,	.name = "drop_green_prio_0", },
553 	{ .offset = 0x10B,	.name = "drop_green_prio_1", },
554 	{ .offset = 0x10C,	.name = "drop_green_prio_2", },
555 	{ .offset = 0x10D,	.name = "drop_green_prio_3", },
556 	{ .offset = 0x10E,	.name = "drop_green_prio_4", },
557 	{ .offset = 0x10F,	.name = "drop_green_prio_5", },
558 	{ .offset = 0x110,	.name = "drop_green_prio_6", },
559 	{ .offset = 0x111,	.name = "drop_green_prio_7", },
560 };
561 
562 struct vcap_field vsc9959_vcap_is2_keys[] = {
563 	/* Common: 41 bits */
564 	[VCAP_IS2_TYPE]				= {  0,   4},
565 	[VCAP_IS2_HK_FIRST]			= {  4,   1},
566 	[VCAP_IS2_HK_PAG]			= {  5,   8},
567 	[VCAP_IS2_HK_IGR_PORT_MASK]		= { 13,   7},
568 	[VCAP_IS2_HK_RSV2]			= { 20,   1},
569 	[VCAP_IS2_HK_HOST_MATCH]		= { 21,   1},
570 	[VCAP_IS2_HK_L2_MC]			= { 22,   1},
571 	[VCAP_IS2_HK_L2_BC]			= { 23,   1},
572 	[VCAP_IS2_HK_VLAN_TAGGED]		= { 24,   1},
573 	[VCAP_IS2_HK_VID]			= { 25,  12},
574 	[VCAP_IS2_HK_DEI]			= { 37,   1},
575 	[VCAP_IS2_HK_PCP]			= { 38,   3},
576 	/* MAC_ETYPE / MAC_LLC / MAC_SNAP / OAM common */
577 	[VCAP_IS2_HK_L2_DMAC]			= { 41,  48},
578 	[VCAP_IS2_HK_L2_SMAC]			= { 89,  48},
579 	/* MAC_ETYPE (TYPE=000) */
580 	[VCAP_IS2_HK_MAC_ETYPE_ETYPE]		= {137,  16},
581 	[VCAP_IS2_HK_MAC_ETYPE_L2_PAYLOAD0]	= {153,  16},
582 	[VCAP_IS2_HK_MAC_ETYPE_L2_PAYLOAD1]	= {169,   8},
583 	[VCAP_IS2_HK_MAC_ETYPE_L2_PAYLOAD2]	= {177,   3},
584 	/* MAC_LLC (TYPE=001) */
585 	[VCAP_IS2_HK_MAC_LLC_L2_LLC]		= {137,  40},
586 	/* MAC_SNAP (TYPE=010) */
587 	[VCAP_IS2_HK_MAC_SNAP_L2_SNAP]		= {137,  40},
588 	/* MAC_ARP (TYPE=011) */
589 	[VCAP_IS2_HK_MAC_ARP_SMAC]		= { 41,  48},
590 	[VCAP_IS2_HK_MAC_ARP_ADDR_SPACE_OK]	= { 89,   1},
591 	[VCAP_IS2_HK_MAC_ARP_PROTO_SPACE_OK]	= { 90,   1},
592 	[VCAP_IS2_HK_MAC_ARP_LEN_OK]		= { 91,   1},
593 	[VCAP_IS2_HK_MAC_ARP_TARGET_MATCH]	= { 92,   1},
594 	[VCAP_IS2_HK_MAC_ARP_SENDER_MATCH]	= { 93,   1},
595 	[VCAP_IS2_HK_MAC_ARP_OPCODE_UNKNOWN]	= { 94,   1},
596 	[VCAP_IS2_HK_MAC_ARP_OPCODE]		= { 95,   2},
597 	[VCAP_IS2_HK_MAC_ARP_L3_IP4_DIP]	= { 97,  32},
598 	[VCAP_IS2_HK_MAC_ARP_L3_IP4_SIP]	= {129,  32},
599 	[VCAP_IS2_HK_MAC_ARP_DIP_EQ_SIP]	= {161,   1},
600 	/* IP4_TCP_UDP / IP4_OTHER common */
601 	[VCAP_IS2_HK_IP4]			= { 41,   1},
602 	[VCAP_IS2_HK_L3_FRAGMENT]		= { 42,   1},
603 	[VCAP_IS2_HK_L3_FRAG_OFS_GT0]		= { 43,   1},
604 	[VCAP_IS2_HK_L3_OPTIONS]		= { 44,   1},
605 	[VCAP_IS2_HK_IP4_L3_TTL_GT0]		= { 45,   1},
606 	[VCAP_IS2_HK_L3_TOS]			= { 46,   8},
607 	[VCAP_IS2_HK_L3_IP4_DIP]		= { 54,  32},
608 	[VCAP_IS2_HK_L3_IP4_SIP]		= { 86,  32},
609 	[VCAP_IS2_HK_DIP_EQ_SIP]		= {118,   1},
610 	/* IP4_TCP_UDP (TYPE=100) */
611 	[VCAP_IS2_HK_TCP]			= {119,   1},
612 	[VCAP_IS2_HK_L4_SPORT]			= {120,  16},
613 	[VCAP_IS2_HK_L4_DPORT]			= {136,  16},
614 	[VCAP_IS2_HK_L4_RNG]			= {152,   8},
615 	[VCAP_IS2_HK_L4_SPORT_EQ_DPORT]		= {160,   1},
616 	[VCAP_IS2_HK_L4_SEQUENCE_EQ0]		= {161,   1},
617 	[VCAP_IS2_HK_L4_URG]			= {162,   1},
618 	[VCAP_IS2_HK_L4_ACK]			= {163,   1},
619 	[VCAP_IS2_HK_L4_PSH]			= {164,   1},
620 	[VCAP_IS2_HK_L4_RST]			= {165,   1},
621 	[VCAP_IS2_HK_L4_SYN]			= {166,   1},
622 	[VCAP_IS2_HK_L4_FIN]			= {167,   1},
623 	[VCAP_IS2_HK_L4_1588_DOM]		= {168,   8},
624 	[VCAP_IS2_HK_L4_1588_VER]		= {176,   4},
625 	/* IP4_OTHER (TYPE=101) */
626 	[VCAP_IS2_HK_IP4_L3_PROTO]		= {119,   8},
627 	[VCAP_IS2_HK_L3_PAYLOAD]		= {127,  56},
628 	/* IP6_STD (TYPE=110) */
629 	[VCAP_IS2_HK_IP6_L3_TTL_GT0]		= { 41,   1},
630 	[VCAP_IS2_HK_L3_IP6_SIP]		= { 42, 128},
631 	[VCAP_IS2_HK_IP6_L3_PROTO]		= {170,   8},
632 	/* OAM (TYPE=111) */
633 	[VCAP_IS2_HK_OAM_MEL_FLAGS]		= {137,   7},
634 	[VCAP_IS2_HK_OAM_VER]			= {144,   5},
635 	[VCAP_IS2_HK_OAM_OPCODE]		= {149,   8},
636 	[VCAP_IS2_HK_OAM_FLAGS]			= {157,   8},
637 	[VCAP_IS2_HK_OAM_MEPID]			= {165,  16},
638 	[VCAP_IS2_HK_OAM_CCM_CNTS_EQ0]		= {181,   1},
639 	[VCAP_IS2_HK_OAM_IS_Y1731]		= {182,   1},
640 };
641 
642 struct vcap_field vsc9959_vcap_is2_actions[] = {
643 	[VCAP_IS2_ACT_HIT_ME_ONCE]		= {  0,  1},
644 	[VCAP_IS2_ACT_CPU_COPY_ENA]		= {  1,  1},
645 	[VCAP_IS2_ACT_CPU_QU_NUM]		= {  2,  3},
646 	[VCAP_IS2_ACT_MASK_MODE]		= {  5,  2},
647 	[VCAP_IS2_ACT_MIRROR_ENA]		= {  7,  1},
648 	[VCAP_IS2_ACT_LRN_DIS]			= {  8,  1},
649 	[VCAP_IS2_ACT_POLICE_ENA]		= {  9,  1},
650 	[VCAP_IS2_ACT_POLICE_IDX]		= { 10,  9},
651 	[VCAP_IS2_ACT_POLICE_VCAP_ONLY]		= { 19,  1},
652 	[VCAP_IS2_ACT_PORT_MASK]		= { 20, 11},
653 	[VCAP_IS2_ACT_REW_OP]			= { 31,  9},
654 	[VCAP_IS2_ACT_SMAC_REPLACE_ENA]		= { 40,  1},
655 	[VCAP_IS2_ACT_RSV]			= { 41,  2},
656 	[VCAP_IS2_ACT_ACL_ID]			= { 43,  6},
657 	[VCAP_IS2_ACT_HIT_CNT]			= { 49, 32},
658 };
659 
660 static const struct vcap_props vsc9959_vcap_props[] = {
661 	[VCAP_IS2] = {
662 		.tg_width = 2,
663 		.sw_count = 4,
664 		.entry_count = VSC9959_VCAP_IS2_CNT,
665 		.entry_width = VSC9959_VCAP_IS2_ENTRY_WIDTH,
666 		.action_count = VSC9959_VCAP_IS2_CNT +
667 				VSC9959_VCAP_PORT_CNT + 2,
668 		.action_width = 89,
669 		.action_type_width = 1,
670 		.action_table = {
671 			[IS2_ACTION_TYPE_NORMAL] = {
672 				.width = 44,
673 				.count = 2
674 			},
675 			[IS2_ACTION_TYPE_SMAC_SIP] = {
676 				.width = 6,
677 				.count = 4
678 			},
679 		},
680 		.counter_words = 4,
681 		.counter_width = 32,
682 	},
683 };
684 
685 #define VSC9959_INIT_TIMEOUT			50000
686 #define VSC9959_GCB_RST_SLEEP			100
687 #define VSC9959_SYS_RAMINIT_SLEEP		80
688 
689 static int vsc9959_gcb_soft_rst_status(struct ocelot *ocelot)
690 {
691 	int val;
692 
693 	regmap_field_read(ocelot->regfields[GCB_SOFT_RST_SWC_RST], &val);
694 
695 	return val;
696 }
697 
698 static int vsc9959_sys_ram_init_status(struct ocelot *ocelot)
699 {
700 	return ocelot_read(ocelot, SYS_RAM_INIT);
701 }
702 
703 static int vsc9959_reset(struct ocelot *ocelot)
704 {
705 	int val, err;
706 
707 	/* soft-reset the switch core */
708 	regmap_field_write(ocelot->regfields[GCB_SOFT_RST_SWC_RST], 1);
709 
710 	err = readx_poll_timeout(vsc9959_gcb_soft_rst_status, ocelot, val, !val,
711 				 VSC9959_GCB_RST_SLEEP, VSC9959_INIT_TIMEOUT);
712 	if (err) {
713 		dev_err(ocelot->dev, "timeout: switch core reset\n");
714 		return err;
715 	}
716 
717 	/* initialize switch mem ~40us */
718 	ocelot_write(ocelot, SYS_RAM_INIT_RAM_INIT, SYS_RAM_INIT);
719 	err = readx_poll_timeout(vsc9959_sys_ram_init_status, ocelot, val, !val,
720 				 VSC9959_SYS_RAMINIT_SLEEP,
721 				 VSC9959_INIT_TIMEOUT);
722 	if (err) {
723 		dev_err(ocelot->dev, "timeout: switch sram init\n");
724 		return err;
725 	}
726 
727 	/* enable switch core */
728 	regmap_field_write(ocelot->regfields[SYS_RESET_CFG_CORE_ENA], 1);
729 
730 	return 0;
731 }
732 
733 static void vsc9959_pcs_an_restart_sgmii(struct phy_device *pcs)
734 {
735 	phy_set_bits(pcs, MII_BMCR, BMCR_ANRESTART);
736 }
737 
738 static void vsc9959_pcs_an_restart_usxgmii(struct phy_device *pcs)
739 {
740 	phy_write_mmd(pcs, MDIO_MMD_VEND2, MII_BMCR,
741 		      USXGMII_BMCR_RESET |
742 		      USXGMII_BMCR_AN_EN |
743 		      USXGMII_BMCR_RST_AN);
744 }
745 
746 static void vsc9959_pcs_an_restart(struct ocelot *ocelot, int port)
747 {
748 	struct felix *felix = ocelot_to_felix(ocelot);
749 	struct phy_device *pcs = felix->pcs[port];
750 
751 	if (!pcs)
752 		return;
753 
754 	switch (pcs->interface) {
755 	case PHY_INTERFACE_MODE_SGMII:
756 	case PHY_INTERFACE_MODE_QSGMII:
757 		vsc9959_pcs_an_restart_sgmii(pcs);
758 		break;
759 	case PHY_INTERFACE_MODE_USXGMII:
760 		vsc9959_pcs_an_restart_usxgmii(pcs);
761 		break;
762 	default:
763 		dev_err(ocelot->dev, "Invalid PCS interface type %s\n",
764 			phy_modes(pcs->interface));
765 		break;
766 	}
767 }
768 
769 /* We enable SGMII AN only when the PHY has managed = "in-band-status" in the
770  * device tree. If we are in MLO_AN_PHY mode, we program directly state->speed
771  * into the PCS, which is retrieved out-of-band over MDIO. This also has the
772  * benefit of working with SGMII fixed-links, like downstream switches, where
773  * both link partners attempt to operate as AN slaves and therefore AN never
774  * completes.  But it also has the disadvantage that some PHY chips don't pass
775  * traffic if SGMII AN is enabled but not completed (acknowledged by us), so
776  * setting MLO_AN_INBAND is actually required for those.
777  */
778 static void vsc9959_pcs_init_sgmii(struct phy_device *pcs,
779 				   unsigned int link_an_mode,
780 				   const struct phylink_link_state *state)
781 {
782 	if (link_an_mode == MLO_AN_INBAND) {
783 		int bmsr, bmcr;
784 
785 		/* Some PHYs like VSC8234 don't like it when AN restarts on
786 		 * their system  side and they restart line side AN too, going
787 		 * into an endless link up/down loop.  Don't restart PCS AN if
788 		 * link is up already.
789 		 * We do check that AN is enabled just in case this is the 1st
790 		 * call, PCS detects a carrier but AN is disabled from power on
791 		 * or by boot loader.
792 		 */
793 		bmcr = phy_read(pcs, MII_BMCR);
794 		if (bmcr < 0)
795 			return;
796 
797 		bmsr = phy_read(pcs, MII_BMSR);
798 		if (bmsr < 0)
799 			return;
800 
801 		if ((bmcr & BMCR_ANENABLE) && (bmsr & BMSR_LSTATUS))
802 			return;
803 
804 		/* SGMII spec requires tx_config_Reg[15:0] to be exactly 0x4001
805 		 * for the MAC PCS in order to acknowledge the AN.
806 		 */
807 		phy_write(pcs, MII_ADVERTISE, ADVERTISE_SGMII |
808 					      ADVERTISE_LPACK);
809 
810 		phy_write(pcs, ENETC_PCS_IF_MODE,
811 			  ENETC_PCS_IF_MODE_SGMII_EN |
812 			  ENETC_PCS_IF_MODE_USE_SGMII_AN);
813 
814 		/* Adjust link timer for SGMII */
815 		phy_write(pcs, ENETC_PCS_LINK_TIMER1,
816 			  ENETC_PCS_LINK_TIMER1_VAL);
817 		phy_write(pcs, ENETC_PCS_LINK_TIMER2,
818 			  ENETC_PCS_LINK_TIMER2_VAL);
819 
820 		phy_write(pcs, MII_BMCR, BMCR_ANRESTART | BMCR_ANENABLE);
821 	} else {
822 		int speed;
823 
824 		if (state->duplex == DUPLEX_HALF) {
825 			phydev_err(pcs, "Half duplex not supported\n");
826 			return;
827 		}
828 		switch (state->speed) {
829 		case SPEED_1000:
830 			speed = ENETC_PCS_SPEED_1000;
831 			break;
832 		case SPEED_100:
833 			speed = ENETC_PCS_SPEED_100;
834 			break;
835 		case SPEED_10:
836 			speed = ENETC_PCS_SPEED_10;
837 			break;
838 		case SPEED_UNKNOWN:
839 			/* Silently don't do anything */
840 			return;
841 		default:
842 			phydev_err(pcs, "Invalid PCS speed %d\n", state->speed);
843 			return;
844 		}
845 
846 		phy_write(pcs, ENETC_PCS_IF_MODE,
847 			  ENETC_PCS_IF_MODE_SGMII_EN |
848 			  ENETC_PCS_IF_MODE_SGMII_SPEED(speed));
849 
850 		/* Yes, not a mistake: speed is given by IF_MODE. */
851 		phy_write(pcs, MII_BMCR, BMCR_RESET |
852 					 BMCR_SPEED1000 |
853 					 BMCR_FULLDPLX);
854 	}
855 }
856 
857 /* 2500Base-X is SerDes protocol 7 on Felix and 6 on ENETC. It is a SerDes lane
858  * clocked at 3.125 GHz which encodes symbols with 8b/10b and does not have
859  * auto-negotiation of any link parameters. Electrically it is compatible with
860  * a single lane of XAUI.
861  * The hardware reference manual wants to call this mode SGMII, but it isn't
862  * really, since the fundamental features of SGMII:
863  * - Downgrading the link speed by duplicating symbols
864  * - Auto-negotiation
865  * are not there.
866  * The speed is configured at 1000 in the IF_MODE and BMCR MDIO registers
867  * because the clock frequency is actually given by a PLL configured in the
868  * Reset Configuration Word (RCW).
869  * Since there is no difference between fixed speed SGMII w/o AN and 802.3z w/o
870  * AN, we call this PHY interface type 2500Base-X. In case a PHY negotiates a
871  * lower link speed on line side, the system-side interface remains fixed at
872  * 2500 Mbps and we do rate adaptation through pause frames.
873  */
874 static void vsc9959_pcs_init_2500basex(struct phy_device *pcs,
875 				       unsigned int link_an_mode,
876 				       const struct phylink_link_state *state)
877 {
878 	if (link_an_mode == MLO_AN_INBAND) {
879 		phydev_err(pcs, "AN not supported on 3.125GHz SerDes lane\n");
880 		return;
881 	}
882 
883 	phy_write(pcs, ENETC_PCS_IF_MODE,
884 		  ENETC_PCS_IF_MODE_SGMII_EN |
885 		  ENETC_PCS_IF_MODE_SGMII_SPEED(ENETC_PCS_SPEED_2500));
886 
887 	phy_write(pcs, MII_BMCR, BMCR_SPEED1000 |
888 				 BMCR_FULLDPLX |
889 				 BMCR_RESET);
890 }
891 
892 static void vsc9959_pcs_init_usxgmii(struct phy_device *pcs,
893 				     unsigned int link_an_mode,
894 				     const struct phylink_link_state *state)
895 {
896 	if (link_an_mode != MLO_AN_INBAND) {
897 		phydev_err(pcs, "USXGMII only supports in-band AN for now\n");
898 		return;
899 	}
900 
901 	/* Configure device ability for the USXGMII Replicator */
902 	phy_write_mmd(pcs, MDIO_MMD_VEND2, MII_ADVERTISE,
903 		      USXGMII_ADVERTISE_SPEED(USXGMII_SPEED_2500) |
904 		      USXGMII_ADVERTISE_LNKS(1) |
905 		      ADVERTISE_SGMII |
906 		      ADVERTISE_LPACK |
907 		      USXGMII_ADVERTISE_FDX);
908 }
909 
910 static void vsc9959_pcs_init(struct ocelot *ocelot, int port,
911 			     unsigned int link_an_mode,
912 			     const struct phylink_link_state *state)
913 {
914 	struct felix *felix = ocelot_to_felix(ocelot);
915 	struct phy_device *pcs = felix->pcs[port];
916 
917 	if (!pcs)
918 		return;
919 
920 	/* The PCS does not implement the BMSR register fully, so capability
921 	 * detection via genphy_read_abilities does not work. Since we can get
922 	 * the PHY config word from the LPA register though, there is still
923 	 * value in using the generic phy_resolve_aneg_linkmode function. So
924 	 * populate the supported and advertising link modes manually here.
925 	 */
926 	linkmode_set_bit_array(phy_basic_ports_array,
927 			       ARRAY_SIZE(phy_basic_ports_array),
928 			       pcs->supported);
929 	linkmode_set_bit(ETHTOOL_LINK_MODE_10baseT_Full_BIT, pcs->supported);
930 	linkmode_set_bit(ETHTOOL_LINK_MODE_100baseT_Full_BIT, pcs->supported);
931 	linkmode_set_bit(ETHTOOL_LINK_MODE_1000baseT_Full_BIT, pcs->supported);
932 	if (pcs->interface == PHY_INTERFACE_MODE_2500BASEX ||
933 	    pcs->interface == PHY_INTERFACE_MODE_USXGMII)
934 		linkmode_set_bit(ETHTOOL_LINK_MODE_2500baseX_Full_BIT,
935 				 pcs->supported);
936 	if (pcs->interface != PHY_INTERFACE_MODE_2500BASEX)
937 		linkmode_set_bit(ETHTOOL_LINK_MODE_Autoneg_BIT,
938 				 pcs->supported);
939 	phy_advertise_supported(pcs);
940 
941 	switch (pcs->interface) {
942 	case PHY_INTERFACE_MODE_SGMII:
943 	case PHY_INTERFACE_MODE_QSGMII:
944 		vsc9959_pcs_init_sgmii(pcs, link_an_mode, state);
945 		break;
946 	case PHY_INTERFACE_MODE_2500BASEX:
947 		vsc9959_pcs_init_2500basex(pcs, link_an_mode, state);
948 		break;
949 	case PHY_INTERFACE_MODE_USXGMII:
950 		vsc9959_pcs_init_usxgmii(pcs, link_an_mode, state);
951 		break;
952 	default:
953 		dev_err(ocelot->dev, "Unsupported link mode %s\n",
954 			phy_modes(pcs->interface));
955 	}
956 }
957 
958 static void vsc9959_pcs_link_state_resolve(struct phy_device *pcs,
959 					   struct phylink_link_state *state)
960 {
961 	state->an_complete = pcs->autoneg_complete;
962 	state->an_enabled = pcs->autoneg;
963 	state->link = pcs->link;
964 	state->duplex = pcs->duplex;
965 	state->speed = pcs->speed;
966 	/* SGMII AN does not negotiate flow control, but that's ok,
967 	 * since phylink already knows that, and does:
968 	 *	link_state.pause |= pl->phy_state.pause;
969 	 */
970 	state->pause = MLO_PAUSE_NONE;
971 
972 	phydev_dbg(pcs,
973 		   "mode=%s/%s/%s adv=%*pb lpa=%*pb link=%u an_enabled=%u an_complete=%u\n",
974 		   phy_modes(pcs->interface),
975 		   phy_speed_to_str(pcs->speed),
976 		   phy_duplex_to_str(pcs->duplex),
977 		   __ETHTOOL_LINK_MODE_MASK_NBITS, pcs->advertising,
978 		   __ETHTOOL_LINK_MODE_MASK_NBITS, pcs->lp_advertising,
979 		   pcs->link, pcs->autoneg, pcs->autoneg_complete);
980 }
981 
982 static void vsc9959_pcs_link_state_sgmii(struct phy_device *pcs,
983 					 struct phylink_link_state *state)
984 {
985 	int err;
986 
987 	err = genphy_update_link(pcs);
988 	if (err < 0)
989 		return;
990 
991 	if (pcs->autoneg_complete) {
992 		u16 lpa = phy_read(pcs, MII_LPA);
993 
994 		mii_lpa_to_linkmode_lpa_sgmii(pcs->lp_advertising, lpa);
995 
996 		phy_resolve_aneg_linkmode(pcs);
997 	}
998 }
999 
1000 static void vsc9959_pcs_link_state_2500basex(struct phy_device *pcs,
1001 					     struct phylink_link_state *state)
1002 {
1003 	int err;
1004 
1005 	err = genphy_update_link(pcs);
1006 	if (err < 0)
1007 		return;
1008 
1009 	pcs->speed = SPEED_2500;
1010 	pcs->asym_pause = true;
1011 	pcs->pause = true;
1012 }
1013 
1014 static void vsc9959_pcs_link_state_usxgmii(struct phy_device *pcs,
1015 					   struct phylink_link_state *state)
1016 {
1017 	int status, lpa;
1018 
1019 	status = phy_read_mmd(pcs, MDIO_MMD_VEND2, MII_BMSR);
1020 	if (status < 0)
1021 		return;
1022 
1023 	pcs->autoneg = true;
1024 	pcs->autoneg_complete = USXGMII_BMSR_AN_CMPL(status);
1025 	pcs->link = USXGMII_BMSR_LNKS(status);
1026 
1027 	if (!pcs->link || !pcs->autoneg_complete)
1028 		return;
1029 
1030 	lpa = phy_read_mmd(pcs, MDIO_MMD_VEND2, MII_LPA);
1031 	if (lpa < 0)
1032 		return;
1033 
1034 	switch (USXGMII_LPA_SPEED(lpa)) {
1035 	case USXGMII_SPEED_10:
1036 		pcs->speed = SPEED_10;
1037 		break;
1038 	case USXGMII_SPEED_100:
1039 		pcs->speed = SPEED_100;
1040 		break;
1041 	case USXGMII_SPEED_1000:
1042 		pcs->speed = SPEED_1000;
1043 		break;
1044 	case USXGMII_SPEED_2500:
1045 		pcs->speed = SPEED_2500;
1046 		break;
1047 	default:
1048 		break;
1049 	}
1050 
1051 	if (USXGMII_LPA_DUPLEX(lpa))
1052 		pcs->duplex = DUPLEX_FULL;
1053 	else
1054 		pcs->duplex = DUPLEX_HALF;
1055 }
1056 
1057 static void vsc9959_pcs_link_state(struct ocelot *ocelot, int port,
1058 				   struct phylink_link_state *state)
1059 {
1060 	struct felix *felix = ocelot_to_felix(ocelot);
1061 	struct phy_device *pcs = felix->pcs[port];
1062 
1063 	if (!pcs)
1064 		return;
1065 
1066 	pcs->speed = SPEED_UNKNOWN;
1067 	pcs->duplex = DUPLEX_UNKNOWN;
1068 	pcs->pause = 0;
1069 	pcs->asym_pause = 0;
1070 
1071 	switch (pcs->interface) {
1072 	case PHY_INTERFACE_MODE_SGMII:
1073 	case PHY_INTERFACE_MODE_QSGMII:
1074 		vsc9959_pcs_link_state_sgmii(pcs, state);
1075 		break;
1076 	case PHY_INTERFACE_MODE_2500BASEX:
1077 		vsc9959_pcs_link_state_2500basex(pcs, state);
1078 		break;
1079 	case PHY_INTERFACE_MODE_USXGMII:
1080 		vsc9959_pcs_link_state_usxgmii(pcs, state);
1081 		break;
1082 	default:
1083 		return;
1084 	}
1085 
1086 	vsc9959_pcs_link_state_resolve(pcs, state);
1087 }
1088 
1089 static int vsc9959_prevalidate_phy_mode(struct ocelot *ocelot, int port,
1090 					phy_interface_t phy_mode)
1091 {
1092 	switch (phy_mode) {
1093 	case PHY_INTERFACE_MODE_INTERNAL:
1094 		if (port != 4 && port != 5)
1095 			return -ENOTSUPP;
1096 		return 0;
1097 	case PHY_INTERFACE_MODE_SGMII:
1098 	case PHY_INTERFACE_MODE_QSGMII:
1099 	case PHY_INTERFACE_MODE_USXGMII:
1100 	case PHY_INTERFACE_MODE_2500BASEX:
1101 		/* Not supported on internal to-CPU ports */
1102 		if (port == 4 || port == 5)
1103 			return -ENOTSUPP;
1104 		return 0;
1105 	default:
1106 		return -ENOTSUPP;
1107 	}
1108 }
1109 
1110 static const struct ocelot_ops vsc9959_ops = {
1111 	.reset			= vsc9959_reset,
1112 };
1113 
1114 static int vsc9959_mdio_bus_alloc(struct ocelot *ocelot)
1115 {
1116 	struct felix *felix = ocelot_to_felix(ocelot);
1117 	struct enetc_mdio_priv *mdio_priv;
1118 	struct device *dev = ocelot->dev;
1119 	resource_size_t imdio_base;
1120 	void __iomem *imdio_regs;
1121 	struct resource *res;
1122 	struct enetc_hw *hw;
1123 	struct mii_bus *bus;
1124 	int port;
1125 	int rc;
1126 
1127 	felix->pcs = devm_kcalloc(dev, felix->info->num_ports,
1128 				  sizeof(struct phy_device *),
1129 				  GFP_KERNEL);
1130 	if (!felix->pcs) {
1131 		dev_err(dev, "failed to allocate array for PCS PHYs\n");
1132 		return -ENOMEM;
1133 	}
1134 
1135 	imdio_base = pci_resource_start(felix->pdev,
1136 					felix->info->imdio_pci_bar);
1137 
1138 	res = felix->info->imdio_res;
1139 	res->flags = IORESOURCE_MEM;
1140 	res->start += imdio_base;
1141 	res->end += imdio_base;
1142 
1143 	imdio_regs = devm_ioremap_resource(dev, res);
1144 	if (IS_ERR(imdio_regs)) {
1145 		dev_err(dev, "failed to map internal MDIO registers\n");
1146 		return PTR_ERR(imdio_regs);
1147 	}
1148 
1149 	hw = enetc_hw_alloc(dev, imdio_regs);
1150 	if (IS_ERR(hw)) {
1151 		dev_err(dev, "failed to allocate ENETC HW structure\n");
1152 		return PTR_ERR(hw);
1153 	}
1154 
1155 	bus = devm_mdiobus_alloc_size(dev, sizeof(*mdio_priv));
1156 	if (!bus)
1157 		return -ENOMEM;
1158 
1159 	bus->name = "VSC9959 internal MDIO bus";
1160 	bus->read = enetc_mdio_read;
1161 	bus->write = enetc_mdio_write;
1162 	bus->parent = dev;
1163 	mdio_priv = bus->priv;
1164 	mdio_priv->hw = hw;
1165 	/* This gets added to imdio_regs, which already maps addresses
1166 	 * starting with the proper offset.
1167 	 */
1168 	mdio_priv->mdio_base = 0;
1169 	snprintf(bus->id, MII_BUS_ID_SIZE, "%s-imdio", dev_name(dev));
1170 
1171 	/* Needed in order to initialize the bus mutex lock */
1172 	rc = mdiobus_register(bus);
1173 	if (rc < 0) {
1174 		dev_err(dev, "failed to register MDIO bus\n");
1175 		return rc;
1176 	}
1177 
1178 	felix->imdio = bus;
1179 
1180 	for (port = 0; port < felix->info->num_ports; port++) {
1181 		struct ocelot_port *ocelot_port = ocelot->ports[port];
1182 		struct phy_device *pcs;
1183 		bool is_c45 = false;
1184 
1185 		if (ocelot_port->phy_mode == PHY_INTERFACE_MODE_USXGMII)
1186 			is_c45 = true;
1187 
1188 		pcs = get_phy_device(felix->imdio, port, is_c45);
1189 		if (IS_ERR(pcs))
1190 			continue;
1191 
1192 		pcs->interface = ocelot_port->phy_mode;
1193 		felix->pcs[port] = pcs;
1194 
1195 		dev_info(dev, "Found PCS at internal MDIO address %d\n", port);
1196 	}
1197 
1198 	return 0;
1199 }
1200 
1201 static void vsc9959_mdio_bus_free(struct ocelot *ocelot)
1202 {
1203 	struct felix *felix = ocelot_to_felix(ocelot);
1204 	int port;
1205 
1206 	for (port = 0; port < ocelot->num_phys_ports; port++) {
1207 		struct phy_device *pcs = felix->pcs[port];
1208 
1209 		if (!pcs)
1210 			continue;
1211 
1212 		put_device(&pcs->mdio.dev);
1213 	}
1214 	mdiobus_unregister(felix->imdio);
1215 }
1216 
1217 static void vsc9959_sched_speed_set(struct ocelot *ocelot, int port,
1218 				    u32 speed)
1219 {
1220 	ocelot_rmw_rix(ocelot,
1221 		       QSYS_TAG_CONFIG_LINK_SPEED(speed),
1222 		       QSYS_TAG_CONFIG_LINK_SPEED_M,
1223 		       QSYS_TAG_CONFIG, port);
1224 }
1225 
1226 static void vsc9959_new_base_time(struct ocelot *ocelot, ktime_t base_time,
1227 				  u64 cycle_time,
1228 				  struct timespec64 *new_base_ts)
1229 {
1230 	struct timespec64 ts;
1231 	ktime_t new_base_time;
1232 	ktime_t current_time;
1233 
1234 	ocelot_ptp_gettime64(&ocelot->ptp_info, &ts);
1235 	current_time = timespec64_to_ktime(ts);
1236 	new_base_time = base_time;
1237 
1238 	if (base_time < current_time) {
1239 		u64 nr_of_cycles = current_time - base_time;
1240 
1241 		do_div(nr_of_cycles, cycle_time);
1242 		new_base_time += cycle_time * (nr_of_cycles + 1);
1243 	}
1244 
1245 	*new_base_ts = ktime_to_timespec64(new_base_time);
1246 }
1247 
1248 static u32 vsc9959_tas_read_cfg_status(struct ocelot *ocelot)
1249 {
1250 	return ocelot_read(ocelot, QSYS_TAS_PARAM_CFG_CTRL);
1251 }
1252 
1253 static void vsc9959_tas_gcl_set(struct ocelot *ocelot, const u32 gcl_ix,
1254 				struct tc_taprio_sched_entry *entry)
1255 {
1256 	ocelot_write(ocelot,
1257 		     QSYS_GCL_CFG_REG_1_GCL_ENTRY_NUM(gcl_ix) |
1258 		     QSYS_GCL_CFG_REG_1_GATE_STATE(entry->gate_mask),
1259 		     QSYS_GCL_CFG_REG_1);
1260 	ocelot_write(ocelot, entry->interval, QSYS_GCL_CFG_REG_2);
1261 }
1262 
1263 static int vsc9959_qos_port_tas_set(struct ocelot *ocelot, int port,
1264 				    struct tc_taprio_qopt_offload *taprio)
1265 {
1266 	struct timespec64 base_ts;
1267 	int ret, i;
1268 	u32 val;
1269 
1270 	if (!taprio->enable) {
1271 		ocelot_rmw_rix(ocelot,
1272 			       QSYS_TAG_CONFIG_INIT_GATE_STATE(0xFF),
1273 			       QSYS_TAG_CONFIG_ENABLE |
1274 			       QSYS_TAG_CONFIG_INIT_GATE_STATE_M,
1275 			       QSYS_TAG_CONFIG, port);
1276 
1277 		return 0;
1278 	}
1279 
1280 	if (taprio->cycle_time > NSEC_PER_SEC ||
1281 	    taprio->cycle_time_extension >= NSEC_PER_SEC)
1282 		return -EINVAL;
1283 
1284 	if (taprio->num_entries > VSC9959_TAS_GCL_ENTRY_MAX)
1285 		return -ERANGE;
1286 
1287 	ocelot_rmw(ocelot, QSYS_TAS_PARAM_CFG_CTRL_PORT_NUM(port) |
1288 		   QSYS_TAS_PARAM_CFG_CTRL_ALWAYS_GUARD_BAND_SCH_Q,
1289 		   QSYS_TAS_PARAM_CFG_CTRL_PORT_NUM_M |
1290 		   QSYS_TAS_PARAM_CFG_CTRL_ALWAYS_GUARD_BAND_SCH_Q,
1291 		   QSYS_TAS_PARAM_CFG_CTRL);
1292 
1293 	/* Hardware errata -  Admin config could not be overwritten if
1294 	 * config is pending, need reset the TAS module
1295 	 */
1296 	val = ocelot_read(ocelot, QSYS_PARAM_STATUS_REG_8);
1297 	if (val & QSYS_PARAM_STATUS_REG_8_CONFIG_PENDING)
1298 		return  -EBUSY;
1299 
1300 	ocelot_rmw_rix(ocelot,
1301 		       QSYS_TAG_CONFIG_ENABLE |
1302 		       QSYS_TAG_CONFIG_INIT_GATE_STATE(0xFF) |
1303 		       QSYS_TAG_CONFIG_SCH_TRAFFIC_QUEUES(0xFF),
1304 		       QSYS_TAG_CONFIG_ENABLE |
1305 		       QSYS_TAG_CONFIG_INIT_GATE_STATE_M |
1306 		       QSYS_TAG_CONFIG_SCH_TRAFFIC_QUEUES_M,
1307 		       QSYS_TAG_CONFIG, port);
1308 
1309 	vsc9959_new_base_time(ocelot, taprio->base_time,
1310 			      taprio->cycle_time, &base_ts);
1311 	ocelot_write(ocelot, base_ts.tv_nsec, QSYS_PARAM_CFG_REG_1);
1312 	ocelot_write(ocelot, lower_32_bits(base_ts.tv_sec), QSYS_PARAM_CFG_REG_2);
1313 	val = upper_32_bits(base_ts.tv_sec);
1314 	ocelot_write(ocelot,
1315 		     QSYS_PARAM_CFG_REG_3_BASE_TIME_SEC_MSB(val) |
1316 		     QSYS_PARAM_CFG_REG_3_LIST_LENGTH(taprio->num_entries),
1317 		     QSYS_PARAM_CFG_REG_3);
1318 	ocelot_write(ocelot, taprio->cycle_time, QSYS_PARAM_CFG_REG_4);
1319 	ocelot_write(ocelot, taprio->cycle_time_extension, QSYS_PARAM_CFG_REG_5);
1320 
1321 	for (i = 0; i < taprio->num_entries; i++)
1322 		vsc9959_tas_gcl_set(ocelot, i, &taprio->entries[i]);
1323 
1324 	ocelot_rmw(ocelot, QSYS_TAS_PARAM_CFG_CTRL_CONFIG_CHANGE,
1325 		   QSYS_TAS_PARAM_CFG_CTRL_CONFIG_CHANGE,
1326 		   QSYS_TAS_PARAM_CFG_CTRL);
1327 
1328 	ret = readx_poll_timeout(vsc9959_tas_read_cfg_status, ocelot, val,
1329 				 !(val & QSYS_TAS_PARAM_CFG_CTRL_CONFIG_CHANGE),
1330 				 10, 100000);
1331 
1332 	return ret;
1333 }
1334 
1335 static int vsc9959_qos_port_cbs_set(struct dsa_switch *ds, int port,
1336 				    struct tc_cbs_qopt_offload *cbs_qopt)
1337 {
1338 	struct ocelot *ocelot = ds->priv;
1339 	int port_ix = port * 8 + cbs_qopt->queue;
1340 	u32 rate, burst;
1341 
1342 	if (cbs_qopt->queue >= ds->num_tx_queues)
1343 		return -EINVAL;
1344 
1345 	if (!cbs_qopt->enable) {
1346 		ocelot_write_gix(ocelot, QSYS_CIR_CFG_CIR_RATE(0) |
1347 				 QSYS_CIR_CFG_CIR_BURST(0),
1348 				 QSYS_CIR_CFG, port_ix);
1349 
1350 		ocelot_rmw_gix(ocelot, 0, QSYS_SE_CFG_SE_AVB_ENA,
1351 			       QSYS_SE_CFG, port_ix);
1352 
1353 		return 0;
1354 	}
1355 
1356 	/* Rate unit is 100 kbps */
1357 	rate = DIV_ROUND_UP(cbs_qopt->idleslope, 100);
1358 	/* Avoid using zero rate */
1359 	rate = clamp_t(u32, rate, 1, GENMASK(14, 0));
1360 	/* Burst unit is 4kB */
1361 	burst = DIV_ROUND_UP(cbs_qopt->hicredit, 4096);
1362 	/* Avoid using zero burst size */
1363 	burst = clamp_t(u32, burst, 1, GENMASK(5, 0));
1364 	ocelot_write_gix(ocelot,
1365 			 QSYS_CIR_CFG_CIR_RATE(rate) |
1366 			 QSYS_CIR_CFG_CIR_BURST(burst),
1367 			 QSYS_CIR_CFG,
1368 			 port_ix);
1369 
1370 	ocelot_rmw_gix(ocelot,
1371 		       QSYS_SE_CFG_SE_FRM_MODE(0) |
1372 		       QSYS_SE_CFG_SE_AVB_ENA,
1373 		       QSYS_SE_CFG_SE_AVB_ENA |
1374 		       QSYS_SE_CFG_SE_FRM_MODE_M,
1375 		       QSYS_SE_CFG,
1376 		       port_ix);
1377 
1378 	return 0;
1379 }
1380 
1381 static int vsc9959_port_setup_tc(struct dsa_switch *ds, int port,
1382 				 enum tc_setup_type type,
1383 				 void *type_data)
1384 {
1385 	struct ocelot *ocelot = ds->priv;
1386 
1387 	switch (type) {
1388 	case TC_SETUP_QDISC_TAPRIO:
1389 		return vsc9959_qos_port_tas_set(ocelot, port, type_data);
1390 	case TC_SETUP_QDISC_CBS:
1391 		return vsc9959_qos_port_cbs_set(ds, port, type_data);
1392 	default:
1393 		return -EOPNOTSUPP;
1394 	}
1395 }
1396 
1397 struct felix_info felix_info_vsc9959 = {
1398 	.target_io_res		= vsc9959_target_io_res,
1399 	.port_io_res		= vsc9959_port_io_res,
1400 	.imdio_res		= &vsc9959_imdio_res,
1401 	.regfields		= vsc9959_regfields,
1402 	.map			= vsc9959_regmap,
1403 	.ops			= &vsc9959_ops,
1404 	.stats_layout		= vsc9959_stats_layout,
1405 	.num_stats		= ARRAY_SIZE(vsc9959_stats_layout),
1406 	.vcap_is2_keys		= vsc9959_vcap_is2_keys,
1407 	.vcap_is2_actions	= vsc9959_vcap_is2_actions,
1408 	.vcap			= vsc9959_vcap_props,
1409 	.shared_queue_sz	= 128 * 1024,
1410 	.num_mact_rows		= 2048,
1411 	.num_ports		= 6,
1412 	.num_tx_queues		= FELIX_NUM_TC,
1413 	.switch_pci_bar		= 4,
1414 	.imdio_pci_bar		= 0,
1415 	.mdio_bus_alloc		= vsc9959_mdio_bus_alloc,
1416 	.mdio_bus_free		= vsc9959_mdio_bus_free,
1417 	.pcs_init		= vsc9959_pcs_init,
1418 	.pcs_an_restart		= vsc9959_pcs_an_restart,
1419 	.pcs_link_state		= vsc9959_pcs_link_state,
1420 	.prevalidate_phy_mode	= vsc9959_prevalidate_phy_mode,
1421 	.port_setup_tc          = vsc9959_port_setup_tc,
1422 	.port_sched_speed_set   = vsc9959_sched_speed_set,
1423 };
1424