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