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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 <linux/packing.h>
12#include <net/pkt_sched.h>
13#include <linux/iopoll.h>
14#include <linux/mdio.h>
15#include <linux/pci.h>
16#include "felix.h"
17
18#define VSC9959_VCAP_IS2_CNT 1024
19#define VSC9959_VCAP_IS2_ENTRY_WIDTH 376
20#define VSC9959_VCAP_PORT_CNT 6
21#define VSC9959_TAS_GCL_ENTRY_MAX 63
22
23static const u32 vsc9959_ana_regmap[] = {
24 REG(ANA_ADVLEARN, 0x0089a0),
25 REG(ANA_VLANMASK, 0x0089a4),
26 REG_RESERVED(ANA_PORT_B_DOMAIN),
27 REG(ANA_ANAGEFIL, 0x0089ac),
28 REG(ANA_ANEVENTS, 0x0089b0),
29 REG(ANA_STORMLIMIT_BURST, 0x0089b4),
30 REG(ANA_STORMLIMIT_CFG, 0x0089b8),
31 REG(ANA_ISOLATED_PORTS, 0x0089c8),
32 REG(ANA_COMMUNITY_PORTS, 0x0089cc),
33 REG(ANA_AUTOAGE, 0x0089d0),
34 REG(ANA_MACTOPTIONS, 0x0089d4),
35 REG(ANA_LEARNDISC, 0x0089d8),
36 REG(ANA_AGENCTRL, 0x0089dc),
37 REG(ANA_MIRRORPORTS, 0x0089e0),
38 REG(ANA_EMIRRORPORTS, 0x0089e4),
39 REG(ANA_FLOODING, 0x0089e8),
40 REG(ANA_FLOODING_IPMC, 0x008a08),
41 REG(ANA_SFLOW_CFG, 0x008a0c),
42 REG(ANA_PORT_MODE, 0x008a28),
43 REG(ANA_CUT_THRU_CFG, 0x008a48),
44 REG(ANA_PGID_PGID, 0x008400),
45 REG(ANA_TABLES_ANMOVED, 0x007f1c),
46 REG(ANA_TABLES_MACHDATA, 0x007f20),
47 REG(ANA_TABLES_MACLDATA, 0x007f24),
48 REG(ANA_TABLES_STREAMDATA, 0x007f28),
49 REG(ANA_TABLES_MACACCESS, 0x007f2c),
50 REG(ANA_TABLES_MACTINDX, 0x007f30),
51 REG(ANA_TABLES_VLANACCESS, 0x007f34),
52 REG(ANA_TABLES_VLANTIDX, 0x007f38),
53 REG(ANA_TABLES_ISDXACCESS, 0x007f3c),
54 REG(ANA_TABLES_ISDXTIDX, 0x007f40),
55 REG(ANA_TABLES_ENTRYLIM, 0x007f00),
56 REG(ANA_TABLES_PTP_ID_HIGH, 0x007f44),
57 REG(ANA_TABLES_PTP_ID_LOW, 0x007f48),
58 REG(ANA_TABLES_STREAMACCESS, 0x007f4c),
59 REG(ANA_TABLES_STREAMTIDX, 0x007f50),
60 REG(ANA_TABLES_SEQ_HISTORY, 0x007f54),
61 REG(ANA_TABLES_SEQ_MASK, 0x007f58),
62 REG(ANA_TABLES_SFID_MASK, 0x007f5c),
63 REG(ANA_TABLES_SFIDACCESS, 0x007f60),
64 REG(ANA_TABLES_SFIDTIDX, 0x007f64),
65 REG(ANA_MSTI_STATE, 0x008600),
66 REG(ANA_OAM_UPM_LM_CNT, 0x008000),
67 REG(ANA_SG_ACCESS_CTRL, 0x008a64),
68 REG(ANA_SG_CONFIG_REG_1, 0x007fb0),
69 REG(ANA_SG_CONFIG_REG_2, 0x007fb4),
70 REG(ANA_SG_CONFIG_REG_3, 0x007fb8),
71 REG(ANA_SG_CONFIG_REG_4, 0x007fbc),
72 REG(ANA_SG_CONFIG_REG_5, 0x007fc0),
73 REG(ANA_SG_GCL_GS_CONFIG, 0x007f80),
74 REG(ANA_SG_GCL_TI_CONFIG, 0x007f90),
75 REG(ANA_SG_STATUS_REG_1, 0x008980),
76 REG(ANA_SG_STATUS_REG_2, 0x008984),
77 REG(ANA_SG_STATUS_REG_3, 0x008988),
78 REG(ANA_PORT_VLAN_CFG, 0x007800),
79 REG(ANA_PORT_DROP_CFG, 0x007804),
80 REG(ANA_PORT_QOS_CFG, 0x007808),
81 REG(ANA_PORT_VCAP_CFG, 0x00780c),
82 REG(ANA_PORT_VCAP_S1_KEY_CFG, 0x007810),
83 REG(ANA_PORT_VCAP_S2_CFG, 0x00781c),
84 REG(ANA_PORT_PCP_DEI_MAP, 0x007820),
85 REG(ANA_PORT_CPU_FWD_CFG, 0x007860),
86 REG(ANA_PORT_CPU_FWD_BPDU_CFG, 0x007864),
87 REG(ANA_PORT_CPU_FWD_GARP_CFG, 0x007868),
88 REG(ANA_PORT_CPU_FWD_CCM_CFG, 0x00786c),
89 REG(ANA_PORT_PORT_CFG, 0x007870),
90 REG(ANA_PORT_POL_CFG, 0x007874),
91 REG(ANA_PORT_PTP_CFG, 0x007878),
92 REG(ANA_PORT_PTP_DLY1_CFG, 0x00787c),
93 REG(ANA_PORT_PTP_DLY2_CFG, 0x007880),
94 REG(ANA_PORT_SFID_CFG, 0x007884),
95 REG(ANA_PFC_PFC_CFG, 0x008800),
96 REG_RESERVED(ANA_PFC_PFC_TIMER),
97 REG_RESERVED(ANA_IPT_OAM_MEP_CFG),
98 REG_RESERVED(ANA_IPT_IPT),
99 REG_RESERVED(ANA_PPT_PPT),
100 REG_RESERVED(ANA_FID_MAP_FID_MAP),
101 REG(ANA_AGGR_CFG, 0x008a68),
102 REG(ANA_CPUQ_CFG, 0x008a6c),
103 REG_RESERVED(ANA_CPUQ_CFG2),
104 REG(ANA_CPUQ_8021_CFG, 0x008a74),
105 REG(ANA_DSCP_CFG, 0x008ab4),
106 REG(ANA_DSCP_REWR_CFG, 0x008bb4),
107 REG(ANA_VCAP_RNG_TYPE_CFG, 0x008bf4),
108 REG(ANA_VCAP_RNG_VAL_CFG, 0x008c14),
109 REG_RESERVED(ANA_VRAP_CFG),
110 REG_RESERVED(ANA_VRAP_HDR_DATA),
111 REG_RESERVED(ANA_VRAP_HDR_MASK),
112 REG(ANA_DISCARD_CFG, 0x008c40),
113 REG(ANA_FID_CFG, 0x008c44),
114 REG(ANA_POL_PIR_CFG, 0x004000),
115 REG(ANA_POL_CIR_CFG, 0x004004),
116 REG(ANA_POL_MODE_CFG, 0x004008),
117 REG(ANA_POL_PIR_STATE, 0x00400c),
118 REG(ANA_POL_CIR_STATE, 0x004010),
119 REG_RESERVED(ANA_POL_STATE),
120 REG(ANA_POL_FLOWC, 0x008c48),
121 REG(ANA_POL_HYST, 0x008cb4),
122 REG_RESERVED(ANA_POL_MISC_CFG),
123};
124
125static const u32 vsc9959_qs_regmap[] = {
126 REG(QS_XTR_GRP_CFG, 0x000000),
127 REG(QS_XTR_RD, 0x000008),
128 REG(QS_XTR_FRM_PRUNING, 0x000010),
129 REG(QS_XTR_FLUSH, 0x000018),
130 REG(QS_XTR_DATA_PRESENT, 0x00001c),
131 REG(QS_XTR_CFG, 0x000020),
132 REG(QS_INJ_GRP_CFG, 0x000024),
133 REG(QS_INJ_WR, 0x00002c),
134 REG(QS_INJ_CTRL, 0x000034),
135 REG(QS_INJ_STATUS, 0x00003c),
136 REG(QS_INJ_ERR, 0x000040),
137 REG_RESERVED(QS_INH_DBG),
138};
139
140static const u32 vsc9959_s2_regmap[] = {
141 REG(S2_CORE_UPDATE_CTRL, 0x000000),
142 REG(S2_CORE_MV_CFG, 0x000004),
143 REG(S2_CACHE_ENTRY_DAT, 0x000008),
144 REG(S2_CACHE_MASK_DAT, 0x000108),
145 REG(S2_CACHE_ACTION_DAT, 0x000208),
146 REG(S2_CACHE_CNT_DAT, 0x000308),
147 REG(S2_CACHE_TG_DAT, 0x000388),
148};
149
150static const u32 vsc9959_qsys_regmap[] = {
151 REG(QSYS_PORT_MODE, 0x00f460),
152 REG(QSYS_SWITCH_PORT_MODE, 0x00f480),
153 REG(QSYS_STAT_CNT_CFG, 0x00f49c),
154 REG(QSYS_EEE_CFG, 0x00f4a0),
155 REG(QSYS_EEE_THRES, 0x00f4b8),
156 REG(QSYS_IGR_NO_SHARING, 0x00f4bc),
157 REG(QSYS_EGR_NO_SHARING, 0x00f4c0),
158 REG(QSYS_SW_STATUS, 0x00f4c4),
159 REG(QSYS_EXT_CPU_CFG, 0x00f4e0),
160 REG_RESERVED(QSYS_PAD_CFG),
161 REG(QSYS_CPU_GROUP_MAP, 0x00f4e8),
162 REG_RESERVED(QSYS_QMAP),
163 REG_RESERVED(QSYS_ISDX_SGRP),
164 REG_RESERVED(QSYS_TIMED_FRAME_ENTRY),
165 REG(QSYS_TFRM_MISC, 0x00f50c),
166 REG(QSYS_TFRM_PORT_DLY, 0x00f510),
167 REG(QSYS_TFRM_TIMER_CFG_1, 0x00f514),
168 REG(QSYS_TFRM_TIMER_CFG_2, 0x00f518),
169 REG(QSYS_TFRM_TIMER_CFG_3, 0x00f51c),
170 REG(QSYS_TFRM_TIMER_CFG_4, 0x00f520),
171 REG(QSYS_TFRM_TIMER_CFG_5, 0x00f524),
172 REG(QSYS_TFRM_TIMER_CFG_6, 0x00f528),
173 REG(QSYS_TFRM_TIMER_CFG_7, 0x00f52c),
174 REG(QSYS_TFRM_TIMER_CFG_8, 0x00f530),
175 REG(QSYS_RED_PROFILE, 0x00f534),
176 REG(QSYS_RES_QOS_MODE, 0x00f574),
177 REG(QSYS_RES_CFG, 0x00c000),
178 REG(QSYS_RES_STAT, 0x00c004),
179 REG(QSYS_EGR_DROP_MODE, 0x00f578),
180 REG(QSYS_EQ_CTRL, 0x00f57c),
181 REG_RESERVED(QSYS_EVENTS_CORE),
182 REG(QSYS_QMAXSDU_CFG_0, 0x00f584),
183 REG(QSYS_QMAXSDU_CFG_1, 0x00f5a0),
184 REG(QSYS_QMAXSDU_CFG_2, 0x00f5bc),
185 REG(QSYS_QMAXSDU_CFG_3, 0x00f5d8),
186 REG(QSYS_QMAXSDU_CFG_4, 0x00f5f4),
187 REG(QSYS_QMAXSDU_CFG_5, 0x00f610),
188 REG(QSYS_QMAXSDU_CFG_6, 0x00f62c),
189 REG(QSYS_QMAXSDU_CFG_7, 0x00f648),
190 REG(QSYS_PREEMPTION_CFG, 0x00f664),
191 REG(QSYS_CIR_CFG, 0x000000),
192 REG(QSYS_EIR_CFG, 0x000004),
193 REG(QSYS_SE_CFG, 0x000008),
194 REG(QSYS_SE_DWRR_CFG, 0x00000c),
195 REG_RESERVED(QSYS_SE_CONNECT),
196 REG(QSYS_SE_DLB_SENSE, 0x000040),
197 REG(QSYS_CIR_STATE, 0x000044),
198 REG(QSYS_EIR_STATE, 0x000048),
199 REG_RESERVED(QSYS_SE_STATE),
200 REG(QSYS_HSCH_MISC_CFG, 0x00f67c),
201 REG(QSYS_TAG_CONFIG, 0x00f680),
202 REG(QSYS_TAS_PARAM_CFG_CTRL, 0x00f698),
203 REG(QSYS_PORT_MAX_SDU, 0x00f69c),
204 REG(QSYS_PARAM_CFG_REG_1, 0x00f440),
205 REG(QSYS_PARAM_CFG_REG_2, 0x00f444),
206 REG(QSYS_PARAM_CFG_REG_3, 0x00f448),
207 REG(QSYS_PARAM_CFG_REG_4, 0x00f44c),
208 REG(QSYS_PARAM_CFG_REG_5, 0x00f450),
209 REG(QSYS_GCL_CFG_REG_1, 0x00f454),
210 REG(QSYS_GCL_CFG_REG_2, 0x00f458),
211 REG(QSYS_PARAM_STATUS_REG_1, 0x00f400),
212 REG(QSYS_PARAM_STATUS_REG_2, 0x00f404),
213 REG(QSYS_PARAM_STATUS_REG_3, 0x00f408),
214 REG(QSYS_PARAM_STATUS_REG_4, 0x00f40c),
215 REG(QSYS_PARAM_STATUS_REG_5, 0x00f410),
216 REG(QSYS_PARAM_STATUS_REG_6, 0x00f414),
217 REG(QSYS_PARAM_STATUS_REG_7, 0x00f418),
218 REG(QSYS_PARAM_STATUS_REG_8, 0x00f41c),
219 REG(QSYS_PARAM_STATUS_REG_9, 0x00f420),
220 REG(QSYS_GCL_STATUS_REG_1, 0x00f424),
221 REG(QSYS_GCL_STATUS_REG_2, 0x00f428),
222};
223
224static const u32 vsc9959_rew_regmap[] = {
225 REG(REW_PORT_VLAN_CFG, 0x000000),
226 REG(REW_TAG_CFG, 0x000004),
227 REG(REW_PORT_CFG, 0x000008),
228 REG(REW_DSCP_CFG, 0x00000c),
229 REG(REW_PCP_DEI_QOS_MAP_CFG, 0x000010),
230 REG(REW_PTP_CFG, 0x000050),
231 REG(REW_PTP_DLY1_CFG, 0x000054),
232 REG(REW_RED_TAG_CFG, 0x000058),
233 REG(REW_DSCP_REMAP_DP1_CFG, 0x000410),
234 REG(REW_DSCP_REMAP_CFG, 0x000510),
235 REG_RESERVED(REW_STAT_CFG),
236 REG_RESERVED(REW_REW_STICKY),
237 REG_RESERVED(REW_PPT),
238};
239
240static const u32 vsc9959_sys_regmap[] = {
241 REG(SYS_COUNT_RX_OCTETS, 0x000000),
242 REG(SYS_COUNT_RX_MULTICAST, 0x000008),
243 REG(SYS_COUNT_RX_SHORTS, 0x000010),
244 REG(SYS_COUNT_RX_FRAGMENTS, 0x000014),
245 REG(SYS_COUNT_RX_JABBERS, 0x000018),
246 REG(SYS_COUNT_RX_64, 0x000024),
247 REG(SYS_COUNT_RX_65_127, 0x000028),
248 REG(SYS_COUNT_RX_128_255, 0x00002c),
249 REG(SYS_COUNT_RX_256_1023, 0x000030),
250 REG(SYS_COUNT_RX_1024_1526, 0x000034),
251 REG(SYS_COUNT_RX_1527_MAX, 0x000038),
252 REG(SYS_COUNT_RX_LONGS, 0x000044),
253 REG(SYS_COUNT_TX_OCTETS, 0x000200),
254 REG(SYS_COUNT_TX_COLLISION, 0x000210),
255 REG(SYS_COUNT_TX_DROPS, 0x000214),
256 REG(SYS_COUNT_TX_64, 0x00021c),
257 REG(SYS_COUNT_TX_65_127, 0x000220),
258 REG(SYS_COUNT_TX_128_511, 0x000224),
259 REG(SYS_COUNT_TX_512_1023, 0x000228),
260 REG(SYS_COUNT_TX_1024_1526, 0x00022c),
261 REG(SYS_COUNT_TX_1527_MAX, 0x000230),
262 REG(SYS_COUNT_TX_AGING, 0x000278),
263 REG(SYS_RESET_CFG, 0x000e00),
264 REG(SYS_SR_ETYPE_CFG, 0x000e04),
265 REG(SYS_VLAN_ETYPE_CFG, 0x000e08),
266 REG(SYS_PORT_MODE, 0x000e0c),
267 REG(SYS_FRONT_PORT_MODE, 0x000e2c),
268 REG(SYS_FRM_AGING, 0x000e44),
269 REG(SYS_STAT_CFG, 0x000e48),
270 REG(SYS_SW_STATUS, 0x000e4c),
271 REG_RESERVED(SYS_MISC_CFG),
272 REG(SYS_REW_MAC_HIGH_CFG, 0x000e6c),
273 REG(SYS_REW_MAC_LOW_CFG, 0x000e84),
274 REG(SYS_TIMESTAMP_OFFSET, 0x000e9c),
275 REG(SYS_PAUSE_CFG, 0x000ea0),
276 REG(SYS_PAUSE_TOT_CFG, 0x000ebc),
277 REG(SYS_ATOP, 0x000ec0),
278 REG(SYS_ATOP_TOT_CFG, 0x000edc),
279 REG(SYS_MAC_FC_CFG, 0x000ee0),
280 REG(SYS_MMGT, 0x000ef8),
281 REG_RESERVED(SYS_MMGT_FAST),
282 REG_RESERVED(SYS_EVENTS_DIF),
283 REG_RESERVED(SYS_EVENTS_CORE),
284 REG_RESERVED(SYS_CNT),
285 REG(SYS_PTP_STATUS, 0x000f14),
286 REG(SYS_PTP_TXSTAMP, 0x000f18),
287 REG(SYS_PTP_NXT, 0x000f1c),
288 REG(SYS_PTP_CFG, 0x000f20),
289 REG(SYS_RAM_INIT, 0x000f24),
290 REG_RESERVED(SYS_CM_ADDR),
291 REG_RESERVED(SYS_CM_DATA_WR),
292 REG_RESERVED(SYS_CM_DATA_RD),
293 REG_RESERVED(SYS_CM_OP),
294 REG_RESERVED(SYS_CM_DATA),
295};
296
297static const u32 vsc9959_ptp_regmap[] = {
298 REG(PTP_PIN_CFG, 0x000000),
299 REG(PTP_PIN_TOD_SEC_MSB, 0x000004),
300 REG(PTP_PIN_TOD_SEC_LSB, 0x000008),
301 REG(PTP_PIN_TOD_NSEC, 0x00000c),
302 REG(PTP_PIN_WF_HIGH_PERIOD, 0x000014),
303 REG(PTP_PIN_WF_LOW_PERIOD, 0x000018),
304 REG(PTP_CFG_MISC, 0x0000a0),
305 REG(PTP_CLK_CFG_ADJ_CFG, 0x0000a4),
306 REG(PTP_CLK_CFG_ADJ_FREQ, 0x0000a8),
307};
308
309static const u32 vsc9959_gcb_regmap[] = {
310 REG(GCB_SOFT_RST, 0x000004),
311};
312
313static const u32 vsc9959_dev_gmii_regmap[] = {
314 REG(DEV_CLOCK_CFG, 0x0),
315 REG(DEV_PORT_MISC, 0x4),
316 REG(DEV_EVENTS, 0x8),
317 REG(DEV_EEE_CFG, 0xc),
318 REG(DEV_RX_PATH_DELAY, 0x10),
319 REG(DEV_TX_PATH_DELAY, 0x14),
320 REG(DEV_PTP_PREDICT_CFG, 0x18),
321 REG(DEV_MAC_ENA_CFG, 0x1c),
322 REG(DEV_MAC_MODE_CFG, 0x20),
323 REG(DEV_MAC_MAXLEN_CFG, 0x24),
324 REG(DEV_MAC_TAGS_CFG, 0x28),
325 REG(DEV_MAC_ADV_CHK_CFG, 0x2c),
326 REG(DEV_MAC_IFG_CFG, 0x30),
327 REG(DEV_MAC_HDX_CFG, 0x34),
328 REG(DEV_MAC_DBG_CFG, 0x38),
329 REG(DEV_MAC_FC_MAC_LOW_CFG, 0x3c),
330 REG(DEV_MAC_FC_MAC_HIGH_CFG, 0x40),
331 REG(DEV_MAC_STICKY, 0x44),
332 REG_RESERVED(PCS1G_CFG),
333 REG_RESERVED(PCS1G_MODE_CFG),
334 REG_RESERVED(PCS1G_SD_CFG),
335 REG_RESERVED(PCS1G_ANEG_CFG),
336 REG_RESERVED(PCS1G_ANEG_NP_CFG),
337 REG_RESERVED(PCS1G_LB_CFG),
338 REG_RESERVED(PCS1G_DBG_CFG),
339 REG_RESERVED(PCS1G_CDET_CFG),
340 REG_RESERVED(PCS1G_ANEG_STATUS),
341 REG_RESERVED(PCS1G_ANEG_NP_STATUS),
342 REG_RESERVED(PCS1G_LINK_STATUS),
343 REG_RESERVED(PCS1G_LINK_DOWN_CNT),
344 REG_RESERVED(PCS1G_STICKY),
345 REG_RESERVED(PCS1G_DEBUG_STATUS),
346 REG_RESERVED(PCS1G_LPI_CFG),
347 REG_RESERVED(PCS1G_LPI_WAKE_ERROR_CNT),
348 REG_RESERVED(PCS1G_LPI_STATUS),
349 REG_RESERVED(PCS1G_TSTPAT_MODE_CFG),
350 REG_RESERVED(PCS1G_TSTPAT_STATUS),
351 REG_RESERVED(DEV_PCS_FX100_CFG),
352 REG_RESERVED(DEV_PCS_FX100_STATUS),
353};
354
355static const u32 *vsc9959_regmap[TARGET_MAX] = {
356 [ANA] = vsc9959_ana_regmap,
357 [QS] = vsc9959_qs_regmap,
358 [QSYS] = vsc9959_qsys_regmap,
359 [REW] = vsc9959_rew_regmap,
360 [SYS] = vsc9959_sys_regmap,
361 [S2] = vsc9959_s2_regmap,
362 [PTP] = vsc9959_ptp_regmap,
363 [GCB] = vsc9959_gcb_regmap,
364 [DEV_GMII] = vsc9959_dev_gmii_regmap,
365};
366
367/* Addresses are relative to the PCI device's base address */
368static const struct resource vsc9959_target_io_res[TARGET_MAX] = {
369 [ANA] = {
370 .start = 0x0280000,
371 .end = 0x028ffff,
372 .name = "ana",
373 },
374 [QS] = {
375 .start = 0x0080000,
376 .end = 0x00800ff,
377 .name = "qs",
378 },
379 [QSYS] = {
380 .start = 0x0200000,
381 .end = 0x021ffff,
382 .name = "qsys",
383 },
384 [REW] = {
385 .start = 0x0030000,
386 .end = 0x003ffff,
387 .name = "rew",
388 },
389 [SYS] = {
390 .start = 0x0010000,
391 .end = 0x001ffff,
392 .name = "sys",
393 },
394 [S2] = {
395 .start = 0x0060000,
396 .end = 0x00603ff,
397 .name = "s2",
398 },
399 [PTP] = {
400 .start = 0x0090000,
401 .end = 0x00900cb,
402 .name = "ptp",
403 },
404 [GCB] = {
405 .start = 0x0070000,
406 .end = 0x00701ff,
407 .name = "devcpu_gcb",
408 },
409};
410
411static const struct resource vsc9959_port_io_res[] = {
412 {
413 .start = 0x0100000,
414 .end = 0x010ffff,
415 .name = "port0",
416 },
417 {
418 .start = 0x0110000,
419 .end = 0x011ffff,
420 .name = "port1",
421 },
422 {
423 .start = 0x0120000,
424 .end = 0x012ffff,
425 .name = "port2",
426 },
427 {
428 .start = 0x0130000,
429 .end = 0x013ffff,
430 .name = "port3",
431 },
432 {
433 .start = 0x0140000,
434 .end = 0x014ffff,
435 .name = "port4",
436 },
437 {
438 .start = 0x0150000,
439 .end = 0x015ffff,
440 .name = "port5",
441 },
442};
443
444/* Port MAC 0 Internal MDIO bus through which the SerDes acting as an
445 * SGMII/QSGMII MAC PCS can be found.
446 */
447static const struct resource vsc9959_imdio_res = {
448 .start = 0x8030,
449 .end = 0x8040,
450 .name = "imdio",
451};
452
453static const struct reg_field vsc9959_regfields[REGFIELD_MAX] = {
454 [ANA_ADVLEARN_VLAN_CHK] = REG_FIELD(ANA_ADVLEARN, 6, 6),
455 [ANA_ADVLEARN_LEARN_MIRROR] = REG_FIELD(ANA_ADVLEARN, 0, 5),
456 [ANA_ANEVENTS_FLOOD_DISCARD] = REG_FIELD(ANA_ANEVENTS, 30, 30),
457 [ANA_ANEVENTS_AUTOAGE] = REG_FIELD(ANA_ANEVENTS, 26, 26),
458 [ANA_ANEVENTS_STORM_DROP] = REG_FIELD(ANA_ANEVENTS, 24, 24),
459 [ANA_ANEVENTS_LEARN_DROP] = REG_FIELD(ANA_ANEVENTS, 23, 23),
460 [ANA_ANEVENTS_AGED_ENTRY] = REG_FIELD(ANA_ANEVENTS, 22, 22),
461 [ANA_ANEVENTS_CPU_LEARN_FAILED] = REG_FIELD(ANA_ANEVENTS, 21, 21),
462 [ANA_ANEVENTS_AUTO_LEARN_FAILED] = REG_FIELD(ANA_ANEVENTS, 20, 20),
463 [ANA_ANEVENTS_LEARN_REMOVE] = REG_FIELD(ANA_ANEVENTS, 19, 19),
464 [ANA_ANEVENTS_AUTO_LEARNED] = REG_FIELD(ANA_ANEVENTS, 18, 18),
465 [ANA_ANEVENTS_AUTO_MOVED] = REG_FIELD(ANA_ANEVENTS, 17, 17),
466 [ANA_ANEVENTS_CLASSIFIED_DROP] = REG_FIELD(ANA_ANEVENTS, 15, 15),
467 [ANA_ANEVENTS_CLASSIFIED_COPY] = REG_FIELD(ANA_ANEVENTS, 14, 14),
468 [ANA_ANEVENTS_VLAN_DISCARD] = REG_FIELD(ANA_ANEVENTS, 13, 13),
469 [ANA_ANEVENTS_FWD_DISCARD] = REG_FIELD(ANA_ANEVENTS, 12, 12),
470 [ANA_ANEVENTS_MULTICAST_FLOOD] = REG_FIELD(ANA_ANEVENTS, 11, 11),
471 [ANA_ANEVENTS_UNICAST_FLOOD] = REG_FIELD(ANA_ANEVENTS, 10, 10),
472 [ANA_ANEVENTS_DEST_KNOWN] = REG_FIELD(ANA_ANEVENTS, 9, 9),
473 [ANA_ANEVENTS_BUCKET3_MATCH] = REG_FIELD(ANA_ANEVENTS, 8, 8),
474 [ANA_ANEVENTS_BUCKET2_MATCH] = REG_FIELD(ANA_ANEVENTS, 7, 7),
475 [ANA_ANEVENTS_BUCKET1_MATCH] = REG_FIELD(ANA_ANEVENTS, 6, 6),
476 [ANA_ANEVENTS_BUCKET0_MATCH] = REG_FIELD(ANA_ANEVENTS, 5, 5),
477 [ANA_ANEVENTS_CPU_OPERATION] = REG_FIELD(ANA_ANEVENTS, 4, 4),
478 [ANA_ANEVENTS_DMAC_LOOKUP] = REG_FIELD(ANA_ANEVENTS, 3, 3),
479 [ANA_ANEVENTS_SMAC_LOOKUP] = REG_FIELD(ANA_ANEVENTS, 2, 2),
480 [ANA_ANEVENTS_SEQ_GEN_ERR_0] = REG_FIELD(ANA_ANEVENTS, 1, 1),
481 [ANA_ANEVENTS_SEQ_GEN_ERR_1] = REG_FIELD(ANA_ANEVENTS, 0, 0),
482 [ANA_TABLES_MACACCESS_B_DOM] = REG_FIELD(ANA_TABLES_MACACCESS, 16, 16),
483 [ANA_TABLES_MACTINDX_BUCKET] = REG_FIELD(ANA_TABLES_MACTINDX, 11, 12),
484 [ANA_TABLES_MACTINDX_M_INDEX] = REG_FIELD(ANA_TABLES_MACTINDX, 0, 10),
485 [SYS_RESET_CFG_CORE_ENA] = REG_FIELD(SYS_RESET_CFG, 0, 0),
486 [GCB_SOFT_RST_SWC_RST] = REG_FIELD(GCB_SOFT_RST, 0, 0),
487 /* Replicated per number of ports (7), register size 4 per port */
488 [QSYS_SWITCH_PORT_MODE_PORT_ENA] = REG_FIELD_ID(QSYS_SWITCH_PORT_MODE, 14, 14, 7, 4),
489 [QSYS_SWITCH_PORT_MODE_SCH_NEXT_CFG] = REG_FIELD_ID(QSYS_SWITCH_PORT_MODE, 11, 13, 7, 4),
490 [QSYS_SWITCH_PORT_MODE_YEL_RSRVD] = REG_FIELD_ID(QSYS_SWITCH_PORT_MODE, 10, 10, 7, 4),
491 [QSYS_SWITCH_PORT_MODE_INGRESS_DROP_MODE] = REG_FIELD_ID(QSYS_SWITCH_PORT_MODE, 9, 9, 7, 4),
492 [QSYS_SWITCH_PORT_MODE_TX_PFC_ENA] = REG_FIELD_ID(QSYS_SWITCH_PORT_MODE, 1, 8, 7, 4),
493 [QSYS_SWITCH_PORT_MODE_TX_PFC_MODE] = REG_FIELD_ID(QSYS_SWITCH_PORT_MODE, 0, 0, 7, 4),
494 [SYS_PORT_MODE_DATA_WO_TS] = REG_FIELD_ID(SYS_PORT_MODE, 5, 6, 7, 4),
495 [SYS_PORT_MODE_INCL_INJ_HDR] = REG_FIELD_ID(SYS_PORT_MODE, 3, 4, 7, 4),
496 [SYS_PORT_MODE_INCL_XTR_HDR] = REG_FIELD_ID(SYS_PORT_MODE, 1, 2, 7, 4),
497 [SYS_PORT_MODE_INCL_HDR_ERR] = REG_FIELD_ID(SYS_PORT_MODE, 0, 0, 7, 4),
498 [SYS_PAUSE_CFG_PAUSE_START] = REG_FIELD_ID(SYS_PAUSE_CFG, 10, 18, 7, 4),
499 [SYS_PAUSE_CFG_PAUSE_STOP] = REG_FIELD_ID(SYS_PAUSE_CFG, 1, 9, 7, 4),
500 [SYS_PAUSE_CFG_PAUSE_ENA] = REG_FIELD_ID(SYS_PAUSE_CFG, 0, 1, 7, 4),
501};
502
503static const struct ocelot_stat_layout vsc9959_stats_layout[] = {
504 { .offset = 0x00, .name = "rx_octets", },
505 { .offset = 0x01, .name = "rx_unicast", },
506 { .offset = 0x02, .name = "rx_multicast", },
507 { .offset = 0x03, .name = "rx_broadcast", },
508 { .offset = 0x04, .name = "rx_shorts", },
509 { .offset = 0x05, .name = "rx_fragments", },
510 { .offset = 0x06, .name = "rx_jabbers", },
511 { .offset = 0x07, .name = "rx_crc_align_errs", },
512 { .offset = 0x08, .name = "rx_sym_errs", },
513 { .offset = 0x09, .name = "rx_frames_below_65_octets", },
514 { .offset = 0x0A, .name = "rx_frames_65_to_127_octets", },
515 { .offset = 0x0B, .name = "rx_frames_128_to_255_octets", },
516 { .offset = 0x0C, .name = "rx_frames_256_to_511_octets", },
517 { .offset = 0x0D, .name = "rx_frames_512_to_1023_octets", },
518 { .offset = 0x0E, .name = "rx_frames_1024_to_1526_octets", },
519 { .offset = 0x0F, .name = "rx_frames_over_1526_octets", },
520 { .offset = 0x10, .name = "rx_pause", },
521 { .offset = 0x11, .name = "rx_control", },
522 { .offset = 0x12, .name = "rx_longs", },
523 { .offset = 0x13, .name = "rx_classified_drops", },
524 { .offset = 0x14, .name = "rx_red_prio_0", },
525 { .offset = 0x15, .name = "rx_red_prio_1", },
526 { .offset = 0x16, .name = "rx_red_prio_2", },
527 { .offset = 0x17, .name = "rx_red_prio_3", },
528 { .offset = 0x18, .name = "rx_red_prio_4", },
529 { .offset = 0x19, .name = "rx_red_prio_5", },
530 { .offset = 0x1A, .name = "rx_red_prio_6", },
531 { .offset = 0x1B, .name = "rx_red_prio_7", },
532 { .offset = 0x1C, .name = "rx_yellow_prio_0", },
533 { .offset = 0x1D, .name = "rx_yellow_prio_1", },
534 { .offset = 0x1E, .name = "rx_yellow_prio_2", },
535 { .offset = 0x1F, .name = "rx_yellow_prio_3", },
536 { .offset = 0x20, .name = "rx_yellow_prio_4", },
537 { .offset = 0x21, .name = "rx_yellow_prio_5", },
538 { .offset = 0x22, .name = "rx_yellow_prio_6", },
539 { .offset = 0x23, .name = "rx_yellow_prio_7", },
540 { .offset = 0x24, .name = "rx_green_prio_0", },
541 { .offset = 0x25, .name = "rx_green_prio_1", },
542 { .offset = 0x26, .name = "rx_green_prio_2", },
543 { .offset = 0x27, .name = "rx_green_prio_3", },
544 { .offset = 0x28, .name = "rx_green_prio_4", },
545 { .offset = 0x29, .name = "rx_green_prio_5", },
546 { .offset = 0x2A, .name = "rx_green_prio_6", },
547 { .offset = 0x2B, .name = "rx_green_prio_7", },
548 { .offset = 0x80, .name = "tx_octets", },
549 { .offset = 0x81, .name = "tx_unicast", },
550 { .offset = 0x82, .name = "tx_multicast", },
551 { .offset = 0x83, .name = "tx_broadcast", },
552 { .offset = 0x84, .name = "tx_collision", },
553 { .offset = 0x85, .name = "tx_drops", },
554 { .offset = 0x86, .name = "tx_pause", },
555 { .offset = 0x87, .name = "tx_frames_below_65_octets", },
556 { .offset = 0x88, .name = "tx_frames_65_to_127_octets", },
557 { .offset = 0x89, .name = "tx_frames_128_255_octets", },
558 { .offset = 0x8B, .name = "tx_frames_256_511_octets", },
559 { .offset = 0x8C, .name = "tx_frames_1024_1526_octets", },
560 { .offset = 0x8D, .name = "tx_frames_over_1526_octets", },
561 { .offset = 0x8E, .name = "tx_yellow_prio_0", },
562 { .offset = 0x8F, .name = "tx_yellow_prio_1", },
563 { .offset = 0x90, .name = "tx_yellow_prio_2", },
564 { .offset = 0x91, .name = "tx_yellow_prio_3", },
565 { .offset = 0x92, .name = "tx_yellow_prio_4", },
566 { .offset = 0x93, .name = "tx_yellow_prio_5", },
567 { .offset = 0x94, .name = "tx_yellow_prio_6", },
568 { .offset = 0x95, .name = "tx_yellow_prio_7", },
569 { .offset = 0x96, .name = "tx_green_prio_0", },
570 { .offset = 0x97, .name = "tx_green_prio_1", },
571 { .offset = 0x98, .name = "tx_green_prio_2", },
572 { .offset = 0x99, .name = "tx_green_prio_3", },
573 { .offset = 0x9A, .name = "tx_green_prio_4", },
574 { .offset = 0x9B, .name = "tx_green_prio_5", },
575 { .offset = 0x9C, .name = "tx_green_prio_6", },
576 { .offset = 0x9D, .name = "tx_green_prio_7", },
577 { .offset = 0x9E, .name = "tx_aged", },
578 { .offset = 0x100, .name = "drop_local", },
579 { .offset = 0x101, .name = "drop_tail", },
580 { .offset = 0x102, .name = "drop_yellow_prio_0", },
581 { .offset = 0x103, .name = "drop_yellow_prio_1", },
582 { .offset = 0x104, .name = "drop_yellow_prio_2", },
583 { .offset = 0x105, .name = "drop_yellow_prio_3", },
584 { .offset = 0x106, .name = "drop_yellow_prio_4", },
585 { .offset = 0x107, .name = "drop_yellow_prio_5", },
586 { .offset = 0x108, .name = "drop_yellow_prio_6", },
587 { .offset = 0x109, .name = "drop_yellow_prio_7", },
588 { .offset = 0x10A, .name = "drop_green_prio_0", },
589 { .offset = 0x10B, .name = "drop_green_prio_1", },
590 { .offset = 0x10C, .name = "drop_green_prio_2", },
591 { .offset = 0x10D, .name = "drop_green_prio_3", },
592 { .offset = 0x10E, .name = "drop_green_prio_4", },
593 { .offset = 0x10F, .name = "drop_green_prio_5", },
594 { .offset = 0x110, .name = "drop_green_prio_6", },
595 { .offset = 0x111, .name = "drop_green_prio_7", },
596};
597
598static struct vcap_field vsc9959_vcap_is2_keys[] = {
599 /* Common: 41 bits */
600 [VCAP_IS2_TYPE] = { 0, 4},
601 [VCAP_IS2_HK_FIRST] = { 4, 1},
602 [VCAP_IS2_HK_PAG] = { 5, 8},
603 [VCAP_IS2_HK_IGR_PORT_MASK] = { 13, 7},
604 [VCAP_IS2_HK_RSV2] = { 20, 1},
605 [VCAP_IS2_HK_HOST_MATCH] = { 21, 1},
606 [VCAP_IS2_HK_L2_MC] = { 22, 1},
607 [VCAP_IS2_HK_L2_BC] = { 23, 1},
608 [VCAP_IS2_HK_VLAN_TAGGED] = { 24, 1},
609 [VCAP_IS2_HK_VID] = { 25, 12},
610 [VCAP_IS2_HK_DEI] = { 37, 1},
611 [VCAP_IS2_HK_PCP] = { 38, 3},
612 /* MAC_ETYPE / MAC_LLC / MAC_SNAP / OAM common */
613 [VCAP_IS2_HK_L2_DMAC] = { 41, 48},
614 [VCAP_IS2_HK_L2_SMAC] = { 89, 48},
615 /* MAC_ETYPE (TYPE=000) */
616 [VCAP_IS2_HK_MAC_ETYPE_ETYPE] = {137, 16},
617 [VCAP_IS2_HK_MAC_ETYPE_L2_PAYLOAD0] = {153, 16},
618 [VCAP_IS2_HK_MAC_ETYPE_L2_PAYLOAD1] = {169, 8},
619 [VCAP_IS2_HK_MAC_ETYPE_L2_PAYLOAD2] = {177, 3},
620 /* MAC_LLC (TYPE=001) */
621 [VCAP_IS2_HK_MAC_LLC_L2_LLC] = {137, 40},
622 /* MAC_SNAP (TYPE=010) */
623 [VCAP_IS2_HK_MAC_SNAP_L2_SNAP] = {137, 40},
624 /* MAC_ARP (TYPE=011) */
625 [VCAP_IS2_HK_MAC_ARP_SMAC] = { 41, 48},
626 [VCAP_IS2_HK_MAC_ARP_ADDR_SPACE_OK] = { 89, 1},
627 [VCAP_IS2_HK_MAC_ARP_PROTO_SPACE_OK] = { 90, 1},
628 [VCAP_IS2_HK_MAC_ARP_LEN_OK] = { 91, 1},
629 [VCAP_IS2_HK_MAC_ARP_TARGET_MATCH] = { 92, 1},
630 [VCAP_IS2_HK_MAC_ARP_SENDER_MATCH] = { 93, 1},
631 [VCAP_IS2_HK_MAC_ARP_OPCODE_UNKNOWN] = { 94, 1},
632 [VCAP_IS2_HK_MAC_ARP_OPCODE] = { 95, 2},
633 [VCAP_IS2_HK_MAC_ARP_L3_IP4_DIP] = { 97, 32},
634 [VCAP_IS2_HK_MAC_ARP_L3_IP4_SIP] = {129, 32},
635 [VCAP_IS2_HK_MAC_ARP_DIP_EQ_SIP] = {161, 1},
636 /* IP4_TCP_UDP / IP4_OTHER common */
637 [VCAP_IS2_HK_IP4] = { 41, 1},
638 [VCAP_IS2_HK_L3_FRAGMENT] = { 42, 1},
639 [VCAP_IS2_HK_L3_FRAG_OFS_GT0] = { 43, 1},
640 [VCAP_IS2_HK_L3_OPTIONS] = { 44, 1},
641 [VCAP_IS2_HK_IP4_L3_TTL_GT0] = { 45, 1},
642 [VCAP_IS2_HK_L3_TOS] = { 46, 8},
643 [VCAP_IS2_HK_L3_IP4_DIP] = { 54, 32},
644 [VCAP_IS2_HK_L3_IP4_SIP] = { 86, 32},
645 [VCAP_IS2_HK_DIP_EQ_SIP] = {118, 1},
646 /* IP4_TCP_UDP (TYPE=100) */
647 [VCAP_IS2_HK_TCP] = {119, 1},
648 [VCAP_IS2_HK_L4_DPORT] = {120, 16},
649 [VCAP_IS2_HK_L4_SPORT] = {136, 16},
650 [VCAP_IS2_HK_L4_RNG] = {152, 8},
651 [VCAP_IS2_HK_L4_SPORT_EQ_DPORT] = {160, 1},
652 [VCAP_IS2_HK_L4_SEQUENCE_EQ0] = {161, 1},
653 [VCAP_IS2_HK_L4_FIN] = {162, 1},
654 [VCAP_IS2_HK_L4_SYN] = {163, 1},
655 [VCAP_IS2_HK_L4_RST] = {164, 1},
656 [VCAP_IS2_HK_L4_PSH] = {165, 1},
657 [VCAP_IS2_HK_L4_ACK] = {166, 1},
658 [VCAP_IS2_HK_L4_URG] = {167, 1},
659 [VCAP_IS2_HK_L4_1588_DOM] = {168, 8},
660 [VCAP_IS2_HK_L4_1588_VER] = {176, 4},
661 /* IP4_OTHER (TYPE=101) */
662 [VCAP_IS2_HK_IP4_L3_PROTO] = {119, 8},
663 [VCAP_IS2_HK_L3_PAYLOAD] = {127, 56},
664 /* IP6_STD (TYPE=110) */
665 [VCAP_IS2_HK_IP6_L3_TTL_GT0] = { 41, 1},
666 [VCAP_IS2_HK_L3_IP6_SIP] = { 42, 128},
667 [VCAP_IS2_HK_IP6_L3_PROTO] = {170, 8},
668 /* OAM (TYPE=111) */
669 [VCAP_IS2_HK_OAM_MEL_FLAGS] = {137, 7},
670 [VCAP_IS2_HK_OAM_VER] = {144, 5},
671 [VCAP_IS2_HK_OAM_OPCODE] = {149, 8},
672 [VCAP_IS2_HK_OAM_FLAGS] = {157, 8},
673 [VCAP_IS2_HK_OAM_MEPID] = {165, 16},
674 [VCAP_IS2_HK_OAM_CCM_CNTS_EQ0] = {181, 1},
675 [VCAP_IS2_HK_OAM_IS_Y1731] = {182, 1},
676};
677
678static struct vcap_field vsc9959_vcap_is2_actions[] = {
679 [VCAP_IS2_ACT_HIT_ME_ONCE] = { 0, 1},
680 [VCAP_IS2_ACT_CPU_COPY_ENA] = { 1, 1},
681 [VCAP_IS2_ACT_CPU_QU_NUM] = { 2, 3},
682 [VCAP_IS2_ACT_MASK_MODE] = { 5, 2},
683 [VCAP_IS2_ACT_MIRROR_ENA] = { 7, 1},
684 [VCAP_IS2_ACT_LRN_DIS] = { 8, 1},
685 [VCAP_IS2_ACT_POLICE_ENA] = { 9, 1},
686 [VCAP_IS2_ACT_POLICE_IDX] = { 10, 9},
687 [VCAP_IS2_ACT_POLICE_VCAP_ONLY] = { 19, 1},
688 [VCAP_IS2_ACT_PORT_MASK] = { 20, 6},
689 [VCAP_IS2_ACT_REW_OP] = { 26, 9},
690 [VCAP_IS2_ACT_SMAC_REPLACE_ENA] = { 35, 1},
691 [VCAP_IS2_ACT_RSV] = { 36, 2},
692 [VCAP_IS2_ACT_ACL_ID] = { 38, 6},
693 [VCAP_IS2_ACT_HIT_CNT] = { 44, 32},
694};
695
696static const struct vcap_props vsc9959_vcap_props[] = {
697 [VCAP_IS2] = {
698 .tg_width = 2,
699 .sw_count = 4,
700 .entry_count = VSC9959_VCAP_IS2_CNT,
701 .entry_width = VSC9959_VCAP_IS2_ENTRY_WIDTH,
702 .action_count = VSC9959_VCAP_IS2_CNT +
703 VSC9959_VCAP_PORT_CNT + 2,
704 .action_width = 89,
705 .action_type_width = 1,
706 .action_table = {
707 [IS2_ACTION_TYPE_NORMAL] = {
708 .width = 44,
709 .count = 2
710 },
711 [IS2_ACTION_TYPE_SMAC_SIP] = {
712 .width = 6,
713 .count = 4
714 },
715 },
716 .counter_words = 4,
717 .counter_width = 32,
718 },
719};
720
721#define VSC9959_INIT_TIMEOUT 50000
722#define VSC9959_GCB_RST_SLEEP 100
723#define VSC9959_SYS_RAMINIT_SLEEP 80
724
725static int vsc9959_gcb_soft_rst_status(struct ocelot *ocelot)
726{
727 int val;
728
729 regmap_field_read(ocelot->regfields[GCB_SOFT_RST_SWC_RST], &val);
730
731 return val;
732}
733
734static int vsc9959_sys_ram_init_status(struct ocelot *ocelot)
735{
736 return ocelot_read(ocelot, SYS_RAM_INIT);
737}
738
739static int vsc9959_reset(struct ocelot *ocelot)
740{
741 int val, err;
742
743 /* soft-reset the switch core */
744 regmap_field_write(ocelot->regfields[GCB_SOFT_RST_SWC_RST], 1);
745
746 err = readx_poll_timeout(vsc9959_gcb_soft_rst_status, ocelot, val, !val,
747 VSC9959_GCB_RST_SLEEP, VSC9959_INIT_TIMEOUT);
748 if (err) {
749 dev_err(ocelot->dev, "timeout: switch core reset\n");
750 return err;
751 }
752
753 /* initialize switch mem ~40us */
754 ocelot_write(ocelot, SYS_RAM_INIT_RAM_INIT, SYS_RAM_INIT);
755 err = readx_poll_timeout(vsc9959_sys_ram_init_status, ocelot, val, !val,
756 VSC9959_SYS_RAMINIT_SLEEP,
757 VSC9959_INIT_TIMEOUT);
758 if (err) {
759 dev_err(ocelot->dev, "timeout: switch sram init\n");
760 return err;
761 }
762
763 /* enable switch core */
764 regmap_field_write(ocelot->regfields[SYS_RESET_CFG_CORE_ENA], 1);
765
766 return 0;
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 */
778static void vsc9959_pcs_config_sgmii(struct phy_device *pcs,
779 unsigned int link_an_mode,
780 const struct phylink_link_state *state)
781{
782 int bmsr, bmcr;
783
784 /* Some PHYs like VSC8234 don't like it when AN restarts on
785 * their system side and they restart line side AN too, going
786 * into an endless link up/down loop. Don't restart PCS AN if
787 * link is up already.
788 * We do check that AN is enabled just in case this is the 1st
789 * call, PCS detects a carrier but AN is disabled from power on
790 * or by boot loader.
791 */
792 bmcr = phy_read(pcs, MII_BMCR);
793 if (bmcr < 0)
794 return;
795
796 bmsr = phy_read(pcs, MII_BMSR);
797 if (bmsr < 0)
798 return;
799
800 if ((bmcr & BMCR_ANENABLE) && (bmsr & BMSR_LSTATUS))
801 return;
802
803 /* SGMII spec requires tx_config_Reg[15:0] to be exactly 0x4001
804 * for the MAC PCS in order to acknowledge the AN.
805 */
806 phy_write(pcs, MII_ADVERTISE, ADVERTISE_SGMII |
807 ADVERTISE_LPACK);
808
809 phy_write(pcs, ENETC_PCS_IF_MODE,
810 ENETC_PCS_IF_MODE_SGMII_EN |
811 ENETC_PCS_IF_MODE_USE_SGMII_AN);
812
813 /* Adjust link timer for SGMII */
814 phy_write(pcs, ENETC_PCS_LINK_TIMER1,
815 ENETC_PCS_LINK_TIMER1_VAL);
816 phy_write(pcs, ENETC_PCS_LINK_TIMER2,
817 ENETC_PCS_LINK_TIMER2_VAL);
818
819 phy_set_bits(pcs, MII_BMCR, BMCR_ANENABLE);
820}
821
822static void vsc9959_pcs_config_usxgmii(struct phy_device *pcs,
823 unsigned int link_an_mode,
824 const struct phylink_link_state *state)
825{
826 /* Configure device ability for the USXGMII Replicator */
827 phy_write_mmd(pcs, MDIO_MMD_VEND2, MII_ADVERTISE,
828 MDIO_USXGMII_2500FULL |
829 MDIO_USXGMII_LINK |
830 ADVERTISE_SGMII |
831 ADVERTISE_LPACK);
832}
833
834void vsc9959_pcs_config(struct ocelot *ocelot, int port,
835 unsigned int link_an_mode,
836 const struct phylink_link_state *state)
837{
838 struct felix *felix = ocelot_to_felix(ocelot);
839 struct phy_device *pcs = felix->pcs[port];
840
841 if (!pcs)
842 return;
843
844 /* The PCS does not implement the BMSR register fully, so capability
845 * detection via genphy_read_abilities does not work. Since we can get
846 * the PHY config word from the LPA register though, there is still
847 * value in using the generic phy_resolve_aneg_linkmode function. So
848 * populate the supported and advertising link modes manually here.
849 */
850 linkmode_set_bit_array(phy_basic_ports_array,
851 ARRAY_SIZE(phy_basic_ports_array),
852 pcs->supported);
853 linkmode_set_bit(ETHTOOL_LINK_MODE_10baseT_Half_BIT, pcs->supported);
854 linkmode_set_bit(ETHTOOL_LINK_MODE_10baseT_Full_BIT, pcs->supported);
855 linkmode_set_bit(ETHTOOL_LINK_MODE_100baseT_Half_BIT, pcs->supported);
856 linkmode_set_bit(ETHTOOL_LINK_MODE_100baseT_Full_BIT, pcs->supported);
857 linkmode_set_bit(ETHTOOL_LINK_MODE_1000baseT_Half_BIT, pcs->supported);
858 linkmode_set_bit(ETHTOOL_LINK_MODE_1000baseT_Full_BIT, pcs->supported);
859 if (pcs->interface == PHY_INTERFACE_MODE_2500BASEX ||
860 pcs->interface == PHY_INTERFACE_MODE_USXGMII)
861 linkmode_set_bit(ETHTOOL_LINK_MODE_2500baseX_Full_BIT,
862 pcs->supported);
863 if (pcs->interface != PHY_INTERFACE_MODE_2500BASEX)
864 linkmode_set_bit(ETHTOOL_LINK_MODE_Autoneg_BIT,
865 pcs->supported);
866 phy_advertise_supported(pcs);
867
868 if (!phylink_autoneg_inband(link_an_mode))
869 return;
870
871 switch (pcs->interface) {
872 case PHY_INTERFACE_MODE_SGMII:
873 case PHY_INTERFACE_MODE_QSGMII:
874 vsc9959_pcs_config_sgmii(pcs, link_an_mode, state);
875 break;
876 case PHY_INTERFACE_MODE_2500BASEX:
877 phydev_err(pcs, "AN not supported on 3.125GHz SerDes lane\n");
878 break;
879 case PHY_INTERFACE_MODE_USXGMII:
880 vsc9959_pcs_config_usxgmii(pcs, link_an_mode, state);
881 break;
882 default:
883 dev_err(ocelot->dev, "Unsupported link mode %s\n",
884 phy_modes(pcs->interface));
885 }
886}
887
888static void vsc9959_pcs_link_up_sgmii(struct phy_device *pcs,
889 unsigned int link_an_mode,
890 int speed, int duplex)
891{
892 u16 if_mode = ENETC_PCS_IF_MODE_SGMII_EN;
893
894 switch (speed) {
895 case SPEED_1000:
896 if_mode |= ENETC_PCS_IF_MODE_SGMII_SPEED(ENETC_PCS_SPEED_1000);
897 break;
898 case SPEED_100:
899 if_mode |= ENETC_PCS_IF_MODE_SGMII_SPEED(ENETC_PCS_SPEED_100);
900 break;
901 case SPEED_10:
902 if_mode |= ENETC_PCS_IF_MODE_SGMII_SPEED(ENETC_PCS_SPEED_10);
903 break;
904 default:
905 phydev_err(pcs, "Invalid PCS speed %d\n", speed);
906 return;
907 }
908
909 if (duplex == DUPLEX_HALF)
910 if_mode |= ENETC_PCS_IF_MODE_DUPLEX_HALF;
911
912 phy_write(pcs, ENETC_PCS_IF_MODE, if_mode);
913 phy_clear_bits(pcs, MII_BMCR, BMCR_ANENABLE);
914}
915
916/* 2500Base-X is SerDes protocol 7 on Felix and 6 on ENETC. It is a SerDes lane
917 * clocked at 3.125 GHz which encodes symbols with 8b/10b and does not have
918 * auto-negotiation of any link parameters. Electrically it is compatible with
919 * a single lane of XAUI.
920 * The hardware reference manual wants to call this mode SGMII, but it isn't
921 * really, since the fundamental features of SGMII:
922 * - Downgrading the link speed by duplicating symbols
923 * - Auto-negotiation
924 * are not there.
925 * The speed is configured at 1000 in the IF_MODE and BMCR MDIO registers
926 * because the clock frequency is actually given by a PLL configured in the
927 * Reset Configuration Word (RCW).
928 * Since there is no difference between fixed speed SGMII w/o AN and 802.3z w/o
929 * AN, we call this PHY interface type 2500Base-X. In case a PHY negotiates a
930 * lower link speed on line side, the system-side interface remains fixed at
931 * 2500 Mbps and we do rate adaptation through pause frames.
932 */
933static void vsc9959_pcs_link_up_2500basex(struct phy_device *pcs,
934 unsigned int link_an_mode,
935 int speed, int duplex)
936{
937 u16 if_mode = ENETC_PCS_IF_MODE_SGMII_SPEED(ENETC_PCS_SPEED_2500) |
938 ENETC_PCS_IF_MODE_SGMII_EN;
939
940 if (duplex == DUPLEX_HALF)
941 if_mode |= ENETC_PCS_IF_MODE_DUPLEX_HALF;
942
943 phy_write(pcs, ENETC_PCS_IF_MODE, if_mode);
944 phy_clear_bits(pcs, MII_BMCR, BMCR_ANENABLE);
945}
946
947void vsc9959_pcs_link_up(struct ocelot *ocelot, int port,
948 unsigned int link_an_mode,
949 phy_interface_t interface,
950 int speed, int duplex)
951{
952 struct felix *felix = ocelot_to_felix(ocelot);
953 struct phy_device *pcs = felix->pcs[port];
954
955 if (!pcs)
956 return;
957
958 if (phylink_autoneg_inband(link_an_mode))
959 return;
960
961 switch (interface) {
962 case PHY_INTERFACE_MODE_SGMII:
963 case PHY_INTERFACE_MODE_QSGMII:
964 vsc9959_pcs_link_up_sgmii(pcs, link_an_mode, speed, duplex);
965 break;
966 case PHY_INTERFACE_MODE_2500BASEX:
967 vsc9959_pcs_link_up_2500basex(pcs, link_an_mode, speed,
968 duplex);
969 break;
970 case PHY_INTERFACE_MODE_USXGMII:
971 phydev_err(pcs, "USXGMII only supports in-band AN for now\n");
972 break;
973 default:
974 dev_err(ocelot->dev, "Unsupported link mode %s\n",
975 phy_modes(pcs->interface));
976 }
977}
978
979static void vsc9959_pcs_link_state_resolve(struct phy_device *pcs,
980 struct phylink_link_state *state)
981{
982 state->an_complete = pcs->autoneg_complete;
983 state->an_enabled = pcs->autoneg;
984 state->link = pcs->link;
985 state->duplex = pcs->duplex;
986 state->speed = pcs->speed;
987 /* SGMII AN does not negotiate flow control, but that's ok,
988 * since phylink already knows that, and does:
989 * link_state.pause |= pl->phy_state.pause;
990 */
991 state->pause = MLO_PAUSE_NONE;
992
993 phydev_dbg(pcs,
994 "mode=%s/%s/%s adv=%*pb lpa=%*pb link=%u an_enabled=%u an_complete=%u\n",
995 phy_modes(pcs->interface),
996 phy_speed_to_str(pcs->speed),
997 phy_duplex_to_str(pcs->duplex),
998 __ETHTOOL_LINK_MODE_MASK_NBITS, pcs->advertising,
999 __ETHTOOL_LINK_MODE_MASK_NBITS, pcs->lp_advertising,
1000 pcs->link, pcs->autoneg, pcs->autoneg_complete);
1001}
1002
1003static void vsc9959_pcs_link_state_sgmii(struct phy_device *pcs,
1004 struct phylink_link_state *state)
1005{
1006 int err;
1007
1008 err = genphy_update_link(pcs);
1009 if (err < 0)
1010 return;
1011
1012 if (pcs->autoneg_complete) {
1013 u16 lpa = phy_read(pcs, MII_LPA);
1014
1015 mii_lpa_to_linkmode_lpa_sgmii(pcs->lp_advertising, lpa);
1016
1017 phy_resolve_aneg_linkmode(pcs);
1018 }
1019}
1020
1021static void vsc9959_pcs_link_state_2500basex(struct phy_device *pcs,
1022 struct phylink_link_state *state)
1023{
1024 int err;
1025
1026 err = genphy_update_link(pcs);
1027 if (err < 0)
1028 return;
1029
1030 pcs->speed = SPEED_2500;
1031 pcs->asym_pause = true;
1032 pcs->pause = true;
1033}
1034
1035static void vsc9959_pcs_link_state_usxgmii(struct phy_device *pcs,
1036 struct phylink_link_state *state)
1037{
1038 int status, lpa;
1039
1040 status = phy_read_mmd(pcs, MDIO_MMD_VEND2, MII_BMSR);
1041 if (status < 0)
1042 return;
1043
1044 pcs->autoneg = true;
1045 pcs->autoneg_complete = !!(status & BMSR_ANEGCOMPLETE);
1046 pcs->link = !!(status & BMSR_LSTATUS);
1047
1048 if (!pcs->link || !pcs->autoneg_complete)
1049 return;
1050
1051 lpa = phy_read_mmd(pcs, MDIO_MMD_VEND2, MII_LPA);
1052 if (lpa < 0)
1053 return;
1054
1055 switch (lpa & MDIO_USXGMII_SPD_MASK) {
1056 case MDIO_USXGMII_10:
1057 pcs->speed = SPEED_10;
1058 break;
1059 case MDIO_USXGMII_100:
1060 pcs->speed = SPEED_100;
1061 break;
1062 case MDIO_USXGMII_1000:
1063 pcs->speed = SPEED_1000;
1064 break;
1065 case MDIO_USXGMII_2500:
1066 pcs->speed = SPEED_2500;
1067 break;
1068 default:
1069 break;
1070 }
1071
1072 if (lpa & MDIO_USXGMII_FULL_DUPLEX)
1073 pcs->duplex = DUPLEX_FULL;
1074 else
1075 pcs->duplex = DUPLEX_HALF;
1076}
1077
1078void vsc9959_pcs_link_state(struct ocelot *ocelot, int port,
1079 struct phylink_link_state *state)
1080{
1081 struct felix *felix = ocelot_to_felix(ocelot);
1082 struct phy_device *pcs = felix->pcs[port];
1083
1084 if (!pcs)
1085 return;
1086
1087 pcs->speed = SPEED_UNKNOWN;
1088 pcs->duplex = DUPLEX_UNKNOWN;
1089 pcs->pause = 0;
1090 pcs->asym_pause = 0;
1091
1092 switch (pcs->interface) {
1093 case PHY_INTERFACE_MODE_SGMII:
1094 case PHY_INTERFACE_MODE_QSGMII:
1095 vsc9959_pcs_link_state_sgmii(pcs, state);
1096 break;
1097 case PHY_INTERFACE_MODE_2500BASEX:
1098 vsc9959_pcs_link_state_2500basex(pcs, state);
1099 break;
1100 case PHY_INTERFACE_MODE_USXGMII:
1101 vsc9959_pcs_link_state_usxgmii(pcs, state);
1102 break;
1103 default:
1104 return;
1105 }
1106
1107 vsc9959_pcs_link_state_resolve(pcs, state);
1108}
1109
1110static void vsc9959_phylink_validate(struct ocelot *ocelot, int port,
1111 unsigned long *supported,
1112 struct phylink_link_state *state)
1113{
1114 struct ocelot_port *ocelot_port = ocelot->ports[port];
1115 __ETHTOOL_DECLARE_LINK_MODE_MASK(mask) = { 0, };
1116
1117 if (state->interface != PHY_INTERFACE_MODE_NA &&
1118 state->interface != ocelot_port->phy_mode) {
1119 bitmap_zero(supported, __ETHTOOL_LINK_MODE_MASK_NBITS);
1120 return;
1121 }
1122
1123 phylink_set_port_modes(mask);
1124 phylink_set(mask, Autoneg);
1125 phylink_set(mask, Pause);
1126 phylink_set(mask, Asym_Pause);
1127 phylink_set(mask, 10baseT_Half);
1128 phylink_set(mask, 10baseT_Full);
1129 phylink_set(mask, 100baseT_Half);
1130 phylink_set(mask, 100baseT_Full);
1131 phylink_set(mask, 1000baseT_Half);
1132 phylink_set(mask, 1000baseT_Full);
1133
1134 if (state->interface == PHY_INTERFACE_MODE_INTERNAL ||
1135 state->interface == PHY_INTERFACE_MODE_2500BASEX ||
1136 state->interface == PHY_INTERFACE_MODE_USXGMII) {
1137 phylink_set(mask, 2500baseT_Full);
1138 phylink_set(mask, 2500baseX_Full);
1139 }
1140
1141 bitmap_and(supported, supported, mask,
1142 __ETHTOOL_LINK_MODE_MASK_NBITS);
1143 bitmap_and(state->advertising, state->advertising, mask,
1144 __ETHTOOL_LINK_MODE_MASK_NBITS);
1145}
1146
1147static int vsc9959_prevalidate_phy_mode(struct ocelot *ocelot, int port,
1148 phy_interface_t phy_mode)
1149{
1150 switch (phy_mode) {
1151 case PHY_INTERFACE_MODE_INTERNAL:
1152 if (port != 4 && port != 5)
1153 return -ENOTSUPP;
1154 return 0;
1155 case PHY_INTERFACE_MODE_SGMII:
1156 case PHY_INTERFACE_MODE_QSGMII:
1157 case PHY_INTERFACE_MODE_USXGMII:
1158 case PHY_INTERFACE_MODE_2500BASEX:
1159 /* Not supported on internal to-CPU ports */
1160 if (port == 4 || port == 5)
1161 return -ENOTSUPP;
1162 return 0;
1163 default:
1164 return -ENOTSUPP;
1165 }
1166}
1167
1168/* Watermark encode
1169 * Bit 8: Unit; 0:1, 1:16
1170 * Bit 7-0: Value to be multiplied with unit
1171 */
1172static u16 vsc9959_wm_enc(u16 value)
1173{
1174 WARN_ON(value >= 16 * BIT(8));
1175
1176 if (value >= BIT(8))
1177 return BIT(8) | (value / 16);
1178
1179 return value;
1180}
1181
1182static const struct ocelot_ops vsc9959_ops = {
1183 .reset = vsc9959_reset,
1184 .wm_enc = vsc9959_wm_enc,
1185};
1186
1187static int vsc9959_mdio_bus_alloc(struct ocelot *ocelot)
1188{
1189 struct felix *felix = ocelot_to_felix(ocelot);
1190 struct enetc_mdio_priv *mdio_priv;
1191 struct device *dev = ocelot->dev;
1192 void __iomem *imdio_regs;
1193 struct resource res;
1194 struct enetc_hw *hw;
1195 struct mii_bus *bus;
1196 int port;
1197 int rc;
1198
1199 felix->pcs = devm_kcalloc(dev, felix->info->num_ports,
1200 sizeof(struct phy_device *),
1201 GFP_KERNEL);
1202 if (!felix->pcs) {
1203 dev_err(dev, "failed to allocate array for PCS PHYs\n");
1204 return -ENOMEM;
1205 }
1206
1207 memcpy(&res, felix->info->imdio_res, sizeof(res));
1208 res.flags = IORESOURCE_MEM;
1209 res.start += felix->imdio_base;
1210 res.end += felix->imdio_base;
1211
1212 imdio_regs = devm_ioremap_resource(dev, &res);
1213 if (IS_ERR(imdio_regs)) {
1214 dev_err(dev, "failed to map internal MDIO registers\n");
1215 return PTR_ERR(imdio_regs);
1216 }
1217
1218 hw = enetc_hw_alloc(dev, imdio_regs);
1219 if (IS_ERR(hw)) {
1220 dev_err(dev, "failed to allocate ENETC HW structure\n");
1221 return PTR_ERR(hw);
1222 }
1223
1224 bus = devm_mdiobus_alloc_size(dev, sizeof(*mdio_priv));
1225 if (!bus)
1226 return -ENOMEM;
1227
1228 bus->name = "VSC9959 internal MDIO bus";
1229 bus->read = enetc_mdio_read;
1230 bus->write = enetc_mdio_write;
1231 bus->parent = dev;
1232 mdio_priv = bus->priv;
1233 mdio_priv->hw = hw;
1234 /* This gets added to imdio_regs, which already maps addresses
1235 * starting with the proper offset.
1236 */
1237 mdio_priv->mdio_base = 0;
1238 snprintf(bus->id, MII_BUS_ID_SIZE, "%s-imdio", dev_name(dev));
1239
1240 /* Needed in order to initialize the bus mutex lock */
1241 rc = mdiobus_register(bus);
1242 if (rc < 0) {
1243 dev_err(dev, "failed to register MDIO bus\n");
1244 return rc;
1245 }
1246
1247 felix->imdio = bus;
1248
1249 for (port = 0; port < felix->info->num_ports; port++) {
1250 struct ocelot_port *ocelot_port = ocelot->ports[port];
1251 struct phy_device *pcs;
1252 bool is_c45 = false;
1253
1254 if (ocelot_port->phy_mode == PHY_INTERFACE_MODE_USXGMII)
1255 is_c45 = true;
1256
1257 pcs = get_phy_device(felix->imdio, port, is_c45);
1258 if (IS_ERR(pcs))
1259 continue;
1260
1261 pcs->interface = ocelot_port->phy_mode;
1262 felix->pcs[port] = pcs;
1263
1264 dev_info(dev, "Found PCS at internal MDIO address %d\n", port);
1265 }
1266
1267 return 0;
1268}
1269
1270void vsc9959_mdio_bus_free(struct ocelot *ocelot)
1271{
1272 struct felix *felix = ocelot_to_felix(ocelot);
1273 int port;
1274
1275 for (port = 0; port < ocelot->num_phys_ports; port++) {
1276 struct phy_device *pcs = felix->pcs[port];
1277
1278 if (!pcs)
1279 continue;
1280
1281 put_device(&pcs->mdio.dev);
1282 }
1283 mdiobus_unregister(felix->imdio);
1284}
1285
1286static void vsc9959_sched_speed_set(struct ocelot *ocelot, int port,
1287 u32 speed)
1288{
1289 u8 tas_speed;
1290
1291 switch (speed) {
1292 case SPEED_10:
1293 tas_speed = OCELOT_SPEED_10;
1294 break;
1295 case SPEED_100:
1296 tas_speed = OCELOT_SPEED_100;
1297 break;
1298 case SPEED_1000:
1299 tas_speed = OCELOT_SPEED_1000;
1300 break;
1301 case SPEED_2500:
1302 tas_speed = OCELOT_SPEED_2500;
1303 break;
1304 default:
1305 tas_speed = OCELOT_SPEED_1000;
1306 break;
1307 }
1308
1309 ocelot_rmw_rix(ocelot,
1310 QSYS_TAG_CONFIG_LINK_SPEED(tas_speed),
1311 QSYS_TAG_CONFIG_LINK_SPEED_M,
1312 QSYS_TAG_CONFIG, port);
1313}
1314
1315static void vsc9959_new_base_time(struct ocelot *ocelot, ktime_t base_time,
1316 u64 cycle_time,
1317 struct timespec64 *new_base_ts)
1318{
1319 struct timespec64 ts;
1320 ktime_t new_base_time;
1321 ktime_t current_time;
1322
1323 ocelot_ptp_gettime64(&ocelot->ptp_info, &ts);
1324 current_time = timespec64_to_ktime(ts);
1325 new_base_time = base_time;
1326
1327 if (base_time < current_time) {
1328 u64 nr_of_cycles = current_time - base_time;
1329
1330 do_div(nr_of_cycles, cycle_time);
1331 new_base_time += cycle_time * (nr_of_cycles + 1);
1332 }
1333
1334 *new_base_ts = ktime_to_timespec64(new_base_time);
1335}
1336
1337static u32 vsc9959_tas_read_cfg_status(struct ocelot *ocelot)
1338{
1339 return ocelot_read(ocelot, QSYS_TAS_PARAM_CFG_CTRL);
1340}
1341
1342static void vsc9959_tas_gcl_set(struct ocelot *ocelot, const u32 gcl_ix,
1343 struct tc_taprio_sched_entry *entry)
1344{
1345 ocelot_write(ocelot,
1346 QSYS_GCL_CFG_REG_1_GCL_ENTRY_NUM(gcl_ix) |
1347 QSYS_GCL_CFG_REG_1_GATE_STATE(entry->gate_mask),
1348 QSYS_GCL_CFG_REG_1);
1349 ocelot_write(ocelot, entry->interval, QSYS_GCL_CFG_REG_2);
1350}
1351
1352static int vsc9959_qos_port_tas_set(struct ocelot *ocelot, int port,
1353 struct tc_taprio_qopt_offload *taprio)
1354{
1355 struct timespec64 base_ts;
1356 int ret, i;
1357 u32 val;
1358
1359 if (!taprio->enable) {
1360 ocelot_rmw_rix(ocelot,
1361 QSYS_TAG_CONFIG_INIT_GATE_STATE(0xFF),
1362 QSYS_TAG_CONFIG_ENABLE |
1363 QSYS_TAG_CONFIG_INIT_GATE_STATE_M,
1364 QSYS_TAG_CONFIG, port);
1365
1366 return 0;
1367 }
1368
1369 if (taprio->cycle_time > NSEC_PER_SEC ||
1370 taprio->cycle_time_extension >= NSEC_PER_SEC)
1371 return -EINVAL;
1372
1373 if (taprio->num_entries > VSC9959_TAS_GCL_ENTRY_MAX)
1374 return -ERANGE;
1375
1376 ocelot_rmw(ocelot, QSYS_TAS_PARAM_CFG_CTRL_PORT_NUM(port) |
1377 QSYS_TAS_PARAM_CFG_CTRL_ALWAYS_GUARD_BAND_SCH_Q,
1378 QSYS_TAS_PARAM_CFG_CTRL_PORT_NUM_M |
1379 QSYS_TAS_PARAM_CFG_CTRL_ALWAYS_GUARD_BAND_SCH_Q,
1380 QSYS_TAS_PARAM_CFG_CTRL);
1381
1382 /* Hardware errata - Admin config could not be overwritten if
1383 * config is pending, need reset the TAS module
1384 */
1385 val = ocelot_read(ocelot, QSYS_PARAM_STATUS_REG_8);
1386 if (val & QSYS_PARAM_STATUS_REG_8_CONFIG_PENDING)
1387 return -EBUSY;
1388
1389 ocelot_rmw_rix(ocelot,
1390 QSYS_TAG_CONFIG_ENABLE |
1391 QSYS_TAG_CONFIG_INIT_GATE_STATE(0xFF) |
1392 QSYS_TAG_CONFIG_SCH_TRAFFIC_QUEUES(0xFF),
1393 QSYS_TAG_CONFIG_ENABLE |
1394 QSYS_TAG_CONFIG_INIT_GATE_STATE_M |
1395 QSYS_TAG_CONFIG_SCH_TRAFFIC_QUEUES_M,
1396 QSYS_TAG_CONFIG, port);
1397
1398 vsc9959_new_base_time(ocelot, taprio->base_time,
1399 taprio->cycle_time, &base_ts);
1400 ocelot_write(ocelot, base_ts.tv_nsec, QSYS_PARAM_CFG_REG_1);
1401 ocelot_write(ocelot, lower_32_bits(base_ts.tv_sec), QSYS_PARAM_CFG_REG_2);
1402 val = upper_32_bits(base_ts.tv_sec);
1403 ocelot_write(ocelot,
1404 QSYS_PARAM_CFG_REG_3_BASE_TIME_SEC_MSB(val) |
1405 QSYS_PARAM_CFG_REG_3_LIST_LENGTH(taprio->num_entries),
1406 QSYS_PARAM_CFG_REG_3);
1407 ocelot_write(ocelot, taprio->cycle_time, QSYS_PARAM_CFG_REG_4);
1408 ocelot_write(ocelot, taprio->cycle_time_extension, QSYS_PARAM_CFG_REG_5);
1409
1410 for (i = 0; i < taprio->num_entries; i++)
1411 vsc9959_tas_gcl_set(ocelot, i, &taprio->entries[i]);
1412
1413 ocelot_rmw(ocelot, QSYS_TAS_PARAM_CFG_CTRL_CONFIG_CHANGE,
1414 QSYS_TAS_PARAM_CFG_CTRL_CONFIG_CHANGE,
1415 QSYS_TAS_PARAM_CFG_CTRL);
1416
1417 ret = readx_poll_timeout(vsc9959_tas_read_cfg_status, ocelot, val,
1418 !(val & QSYS_TAS_PARAM_CFG_CTRL_CONFIG_CHANGE),
1419 10, 100000);
1420
1421 return ret;
1422}
1423
1424static int vsc9959_qos_port_cbs_set(struct dsa_switch *ds, int port,
1425 struct tc_cbs_qopt_offload *cbs_qopt)
1426{
1427 struct ocelot *ocelot = ds->priv;
1428 int port_ix = port * 8 + cbs_qopt->queue;
1429 u32 rate, burst;
1430
1431 if (cbs_qopt->queue >= ds->num_tx_queues)
1432 return -EINVAL;
1433
1434 if (!cbs_qopt->enable) {
1435 ocelot_write_gix(ocelot, QSYS_CIR_CFG_CIR_RATE(0) |
1436 QSYS_CIR_CFG_CIR_BURST(0),
1437 QSYS_CIR_CFG, port_ix);
1438
1439 ocelot_rmw_gix(ocelot, 0, QSYS_SE_CFG_SE_AVB_ENA,
1440 QSYS_SE_CFG, port_ix);
1441
1442 return 0;
1443 }
1444
1445 /* Rate unit is 100 kbps */
1446 rate = DIV_ROUND_UP(cbs_qopt->idleslope, 100);
1447 /* Avoid using zero rate */
1448 rate = clamp_t(u32, rate, 1, GENMASK(14, 0));
1449 /* Burst unit is 4kB */
1450 burst = DIV_ROUND_UP(cbs_qopt->hicredit, 4096);
1451 /* Avoid using zero burst size */
1452 burst = clamp_t(u32, burst, 1, GENMASK(5, 0));
1453 ocelot_write_gix(ocelot,
1454 QSYS_CIR_CFG_CIR_RATE(rate) |
1455 QSYS_CIR_CFG_CIR_BURST(burst),
1456 QSYS_CIR_CFG,
1457 port_ix);
1458
1459 ocelot_rmw_gix(ocelot,
1460 QSYS_SE_CFG_SE_FRM_MODE(0) |
1461 QSYS_SE_CFG_SE_AVB_ENA,
1462 QSYS_SE_CFG_SE_AVB_ENA |
1463 QSYS_SE_CFG_SE_FRM_MODE_M,
1464 QSYS_SE_CFG,
1465 port_ix);
1466
1467 return 0;
1468}
1469
1470static int vsc9959_port_setup_tc(struct dsa_switch *ds, int port,
1471 enum tc_setup_type type,
1472 void *type_data)
1473{
1474 struct ocelot *ocelot = ds->priv;
1475
1476 switch (type) {
1477 case TC_SETUP_QDISC_TAPRIO:
1478 return vsc9959_qos_port_tas_set(ocelot, port, type_data);
1479 case TC_SETUP_QDISC_CBS:
1480 return vsc9959_qos_port_cbs_set(ds, port, type_data);
1481 default:
1482 return -EOPNOTSUPP;
1483 }
1484}
1485
1486static void vsc9959_xmit_template_populate(struct ocelot *ocelot, int port)
1487{
1488 struct ocelot_port *ocelot_port = ocelot->ports[port];
1489 u8 *template = ocelot_port->xmit_template;
1490 u64 bypass, dest, src;
1491
1492 /* Set the source port as the CPU port module and not the
1493 * NPI port
1494 */
1495 src = ocelot->num_phys_ports;
1496 dest = BIT(port);
1497 bypass = true;
1498
1499 packing(template, &bypass, 127, 127, OCELOT_TAG_LEN, PACK, 0);
1500 packing(template, &dest, 68, 56, OCELOT_TAG_LEN, PACK, 0);
1501 packing(template, &src, 46, 43, OCELOT_TAG_LEN, PACK, 0);
1502}
1503
1504static const struct felix_info felix_info_vsc9959 = {
1505 .target_io_res = vsc9959_target_io_res,
1506 .port_io_res = vsc9959_port_io_res,
1507 .imdio_res = &vsc9959_imdio_res,
1508 .regfields = vsc9959_regfields,
1509 .map = vsc9959_regmap,
1510 .ops = &vsc9959_ops,
1511 .stats_layout = vsc9959_stats_layout,
1512 .num_stats = ARRAY_SIZE(vsc9959_stats_layout),
1513 .vcap_is2_keys = vsc9959_vcap_is2_keys,
1514 .vcap_is2_actions = vsc9959_vcap_is2_actions,
1515 .vcap = vsc9959_vcap_props,
1516 .shared_queue_sz = 128 * 1024,
1517 .num_mact_rows = 2048,
1518 .num_ports = 6,
1519 .num_tx_queues = FELIX_NUM_TC,
1520 .switch_pci_bar = 4,
1521 .imdio_pci_bar = 0,
1522 .mdio_bus_alloc = vsc9959_mdio_bus_alloc,
1523 .mdio_bus_free = vsc9959_mdio_bus_free,
1524 .pcs_config = vsc9959_pcs_config,
1525 .pcs_link_up = vsc9959_pcs_link_up,
1526 .pcs_link_state = vsc9959_pcs_link_state,
1527 .phylink_validate = vsc9959_phylink_validate,
1528 .prevalidate_phy_mode = vsc9959_prevalidate_phy_mode,
1529 .port_setup_tc = vsc9959_port_setup_tc,
1530 .port_sched_speed_set = vsc9959_sched_speed_set,
1531 .xmit_template_populate = vsc9959_xmit_template_populate,
1532};
1533
1534static irqreturn_t felix_irq_handler(int irq, void *data)
1535{
1536 struct ocelot *ocelot = (struct ocelot *)data;
1537
1538 /* The INTB interrupt is used for both PTP TX timestamp interrupt
1539 * and preemption status change interrupt on each port.
1540 *
1541 * - Get txtstamp if have
1542 * - TODO: handle preemption. Without handling it, driver may get
1543 * interrupt storm.
1544 */
1545
1546 ocelot_get_txtstamp(ocelot);
1547
1548 return IRQ_HANDLED;
1549}
1550
1551static int felix_pci_probe(struct pci_dev *pdev,
1552 const struct pci_device_id *id)
1553{
1554 struct dsa_switch *ds;
1555 struct ocelot *ocelot;
1556 struct felix *felix;
1557 int err;
1558
1559 if (pdev->dev.of_node && !of_device_is_available(pdev->dev.of_node)) {
1560 dev_info(&pdev->dev, "device is disabled, skipping\n");
1561 return -ENODEV;
1562 }
1563
1564 err = pci_enable_device(pdev);
1565 if (err) {
1566 dev_err(&pdev->dev, "device enable failed\n");
1567 goto err_pci_enable;
1568 }
1569
1570 /* set up for high or low dma */
1571 err = dma_set_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(64));
1572 if (err) {
1573 err = dma_set_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(32));
1574 if (err) {
1575 dev_err(&pdev->dev,
1576 "DMA configuration failed: 0x%x\n", err);
1577 goto err_dma;
1578 }
1579 }
1580
1581 felix = kzalloc(sizeof(struct felix), GFP_KERNEL);
1582 if (!felix) {
1583 err = -ENOMEM;
1584 dev_err(&pdev->dev, "Failed to allocate driver memory\n");
1585 goto err_alloc_felix;
1586 }
1587
1588 pci_set_drvdata(pdev, felix);
1589 ocelot = &felix->ocelot;
1590 ocelot->dev = &pdev->dev;
1591 felix->info = &felix_info_vsc9959;
1592 felix->switch_base = pci_resource_start(pdev,
1593 felix->info->switch_pci_bar);
1594 felix->imdio_base = pci_resource_start(pdev,
1595 felix->info->imdio_pci_bar);
1596
1597 pci_set_master(pdev);
1598
1599 err = devm_request_threaded_irq(&pdev->dev, pdev->irq, NULL,
1600 &felix_irq_handler, IRQF_ONESHOT,
1601 "felix-intb", ocelot);
1602 if (err) {
1603 dev_err(&pdev->dev, "Failed to request irq\n");
1604 goto err_alloc_irq;
1605 }
1606
1607 ocelot->ptp = 1;
1608
1609 ds = kzalloc(sizeof(struct dsa_switch), GFP_KERNEL);
1610 if (!ds) {
1611 err = -ENOMEM;
1612 dev_err(&pdev->dev, "Failed to allocate DSA switch\n");
1613 goto err_alloc_ds;
1614 }
1615
1616 ds->dev = &pdev->dev;
1617 ds->num_ports = felix->info->num_ports;
1618 ds->num_tx_queues = felix->info->num_tx_queues;
1619 ds->ops = &felix_switch_ops;
1620 ds->priv = ocelot;
1621 felix->ds = ds;
1622
1623 err = dsa_register_switch(ds);
1624 if (err) {
1625 dev_err(&pdev->dev, "Failed to register DSA switch: %d\n", err);
1626 goto err_register_ds;
1627 }
1628
1629 return 0;
1630
1631err_register_ds:
1632 kfree(ds);
1633err_alloc_ds:
1634err_alloc_irq:
1635err_alloc_felix:
1636 kfree(felix);
1637err_dma:
1638 pci_disable_device(pdev);
1639err_pci_enable:
1640 return err;
1641}
1642
1643static void felix_pci_remove(struct pci_dev *pdev)
1644{
1645 struct felix *felix;
1646
1647 felix = pci_get_drvdata(pdev);
1648
1649 dsa_unregister_switch(felix->ds);
1650
1651 kfree(felix->ds);
1652 kfree(felix);
1653
1654 pci_disable_device(pdev);
1655}
1656
1657static struct pci_device_id felix_ids[] = {
1658 {
1659 /* NXP LS1028A */
1660 PCI_DEVICE(PCI_VENDOR_ID_FREESCALE, 0xEEF0),
1661 },
1662 { 0, }
1663};
1664MODULE_DEVICE_TABLE(pci, felix_ids);
1665
1666struct pci_driver felix_vsc9959_pci_driver = {
1667 .name = "mscc_felix",
1668 .id_table = felix_ids,
1669 .probe = felix_pci_probe,
1670 .remove = felix_pci_remove,
1671};