1 /* 2 * Copyright (C) 2017 Sean Wang <sean.wang@mediatek.com> 3 * 4 * This program is free software; you can redistribute it and/or modify 5 * it under the terms of the GNU General Public License version 2 as 6 * published by the Free Software Foundation. 7 * 8 * This program is distributed in the hope that it will be useful, 9 * but WITHOUT ANY WARRANTY; without even the implied warranty of 10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 11 * GNU General Public License for more details. 12 */ 13 14 #ifndef __MT7530_H 15 #define __MT7530_H 16 17 #define MT7530_NUM_PORTS 7 18 #define MT7530_CPU_PORT 6 19 #define MT7530_NUM_FDB_RECORDS 2048 20 #define MT7530_ALL_MEMBERS 0xff 21 22 #define NUM_TRGMII_CTRL 5 23 24 #define TRGMII_BASE(x) (0x10000 + (x)) 25 26 /* Registers to ethsys access */ 27 #define ETHSYS_CLKCFG0 0x2c 28 #define ETHSYS_TRGMII_CLK_SEL362_5 BIT(11) 29 30 #define SYSC_REG_RSTCTRL 0x34 31 #define RESET_MCM BIT(2) 32 33 /* Registers to mac forward control for unknown frames */ 34 #define MT7530_MFC 0x10 35 #define BC_FFP(x) (((x) & 0xff) << 24) 36 #define UNM_FFP(x) (((x) & 0xff) << 16) 37 #define UNU_FFP(x) (((x) & 0xff) << 8) 38 #define UNU_FFP_MASK UNU_FFP(~0) 39 40 /* Registers for address table access */ 41 #define MT7530_ATA1 0x74 42 #define STATIC_EMP 0 43 #define STATIC_ENT 3 44 #define MT7530_ATA2 0x78 45 46 /* Register for address table write data */ 47 #define MT7530_ATWD 0x7c 48 49 /* Register for address table control */ 50 #define MT7530_ATC 0x80 51 #define ATC_HASH (((x) & 0xfff) << 16) 52 #define ATC_BUSY BIT(15) 53 #define ATC_SRCH_END BIT(14) 54 #define ATC_SRCH_HIT BIT(13) 55 #define ATC_INVALID BIT(12) 56 #define ATC_MAT(x) (((x) & 0xf) << 8) 57 #define ATC_MAT_MACTAB ATC_MAT(0) 58 59 enum mt7530_fdb_cmd { 60 MT7530_FDB_READ = 0, 61 MT7530_FDB_WRITE = 1, 62 MT7530_FDB_FLUSH = 2, 63 MT7530_FDB_START = 4, 64 MT7530_FDB_NEXT = 5, 65 }; 66 67 /* Registers for table search read address */ 68 #define MT7530_TSRA1 0x84 69 #define MAC_BYTE_0 24 70 #define MAC_BYTE_1 16 71 #define MAC_BYTE_2 8 72 #define MAC_BYTE_3 0 73 #define MAC_BYTE_MASK 0xff 74 75 #define MT7530_TSRA2 0x88 76 #define MAC_BYTE_4 24 77 #define MAC_BYTE_5 16 78 #define CVID 0 79 #define CVID_MASK 0xfff 80 81 #define MT7530_ATRD 0x8C 82 #define AGE_TIMER 24 83 #define AGE_TIMER_MASK 0xff 84 #define PORT_MAP 4 85 #define PORT_MAP_MASK 0xff 86 #define ENT_STATUS 2 87 #define ENT_STATUS_MASK 0x3 88 89 /* Register for vlan table control */ 90 #define MT7530_VTCR 0x90 91 #define VTCR_BUSY BIT(31) 92 #define VTCR_INVALID BIT(16) 93 #define VTCR_FUNC(x) (((x) & 0xf) << 12) 94 #define VTCR_VID ((x) & 0xfff) 95 96 enum mt7530_vlan_cmd { 97 /* Read/Write the specified VID entry from VAWD register based 98 * on VID. 99 */ 100 MT7530_VTCR_RD_VID = 0, 101 MT7530_VTCR_WR_VID = 1, 102 }; 103 104 /* Register for setup vlan and acl write data */ 105 #define MT7530_VAWD1 0x94 106 #define PORT_STAG BIT(31) 107 /* Independent VLAN Learning */ 108 #define IVL_MAC BIT(30) 109 /* Per VLAN Egress Tag Control */ 110 #define VTAG_EN BIT(28) 111 /* VLAN Member Control */ 112 #define PORT_MEM(x) (((x) & 0xff) << 16) 113 /* VLAN Entry Valid */ 114 #define VLAN_VALID BIT(0) 115 #define PORT_MEM_SHFT 16 116 #define PORT_MEM_MASK 0xff 117 118 #define MT7530_VAWD2 0x98 119 /* Egress Tag Control */ 120 #define ETAG_CTRL_P(p, x) (((x) & 0x3) << ((p) << 1)) 121 #define ETAG_CTRL_P_MASK(p) ETAG_CTRL_P(p, 3) 122 123 enum mt7530_vlan_egress_attr { 124 MT7530_VLAN_EGRESS_UNTAG = 0, 125 MT7530_VLAN_EGRESS_TAG = 2, 126 MT7530_VLAN_EGRESS_STACK = 3, 127 }; 128 129 /* Register for port STP state control */ 130 #define MT7530_SSP_P(x) (0x2000 + ((x) * 0x100)) 131 #define FID_PST(x) ((x) & 0x3) 132 #define FID_PST_MASK FID_PST(0x3) 133 134 enum mt7530_stp_state { 135 MT7530_STP_DISABLED = 0, 136 MT7530_STP_BLOCKING = 1, 137 MT7530_STP_LISTENING = 1, 138 MT7530_STP_LEARNING = 2, 139 MT7530_STP_FORWARDING = 3 140 }; 141 142 /* Register for port control */ 143 #define MT7530_PCR_P(x) (0x2004 + ((x) * 0x100)) 144 #define PORT_VLAN(x) ((x) & 0x3) 145 146 enum mt7530_port_mode { 147 /* Port Matrix Mode: Frames are forwarded by the PCR_MATRIX members. */ 148 MT7530_PORT_MATRIX_MODE = PORT_VLAN(0), 149 150 /* Security Mode: Discard any frame due to ingress membership 151 * violation or VID missed on the VLAN table. 152 */ 153 MT7530_PORT_SECURITY_MODE = PORT_VLAN(3), 154 }; 155 156 #define PCR_MATRIX(x) (((x) & 0xff) << 16) 157 #define PORT_PRI(x) (((x) & 0x7) << 24) 158 #define EG_TAG(x) (((x) & 0x3) << 28) 159 #define PCR_MATRIX_MASK PCR_MATRIX(0xff) 160 #define PCR_MATRIX_CLR PCR_MATRIX(0) 161 #define PCR_PORT_VLAN_MASK PORT_VLAN(3) 162 163 /* Register for port security control */ 164 #define MT7530_PSC_P(x) (0x200c + ((x) * 0x100)) 165 #define SA_DIS BIT(4) 166 167 /* Register for port vlan control */ 168 #define MT7530_PVC_P(x) (0x2010 + ((x) * 0x100)) 169 #define PORT_SPEC_TAG BIT(5) 170 #define VLAN_ATTR(x) (((x) & 0x3) << 6) 171 #define VLAN_ATTR_MASK VLAN_ATTR(3) 172 173 enum mt7530_vlan_port_attr { 174 MT7530_VLAN_USER = 0, 175 MT7530_VLAN_TRANSPARENT = 3, 176 }; 177 178 #define STAG_VPID (((x) & 0xffff) << 16) 179 180 /* Register for port port-and-protocol based vlan 1 control */ 181 #define MT7530_PPBV1_P(x) (0x2014 + ((x) * 0x100)) 182 #define G0_PORT_VID(x) (((x) & 0xfff) << 0) 183 #define G0_PORT_VID_MASK G0_PORT_VID(0xfff) 184 #define G0_PORT_VID_DEF G0_PORT_VID(1) 185 186 /* Register for port MAC control register */ 187 #define MT7530_PMCR_P(x) (0x3000 + ((x) * 0x100)) 188 #define PMCR_IFG_XMIT(x) (((x) & 0x3) << 18) 189 #define PMCR_MAC_MODE BIT(16) 190 #define PMCR_FORCE_MODE BIT(15) 191 #define PMCR_TX_EN BIT(14) 192 #define PMCR_RX_EN BIT(13) 193 #define PMCR_BACKOFF_EN BIT(9) 194 #define PMCR_BACKPR_EN BIT(8) 195 #define PMCR_TX_FC_EN BIT(5) 196 #define PMCR_RX_FC_EN BIT(4) 197 #define PMCR_FORCE_SPEED_1000 BIT(3) 198 #define PMCR_FORCE_SPEED_100 BIT(2) 199 #define PMCR_FORCE_FDX BIT(1) 200 #define PMCR_FORCE_LNK BIT(0) 201 #define PMCR_COMMON_LINK (PMCR_IFG_XMIT(1) | PMCR_MAC_MODE | \ 202 PMCR_BACKOFF_EN | PMCR_BACKPR_EN | \ 203 PMCR_TX_EN | PMCR_RX_EN | \ 204 PMCR_TX_FC_EN | PMCR_RX_FC_EN) 205 #define PMCR_CPUP_LINK (PMCR_COMMON_LINK | PMCR_FORCE_MODE | \ 206 PMCR_FORCE_SPEED_1000 | \ 207 PMCR_FORCE_FDX | \ 208 PMCR_FORCE_LNK) 209 #define PMCR_USERP_LINK PMCR_COMMON_LINK 210 #define PMCR_FIXED_LINK (PMCR_IFG_XMIT(1) | PMCR_MAC_MODE | \ 211 PMCR_FORCE_MODE | PMCR_TX_EN | \ 212 PMCR_RX_EN | PMCR_BACKPR_EN | \ 213 PMCR_BACKOFF_EN | \ 214 PMCR_FORCE_SPEED_1000 | \ 215 PMCR_FORCE_FDX | \ 216 PMCR_FORCE_LNK) 217 #define PMCR_FIXED_LINK_FC (PMCR_FIXED_LINK | \ 218 PMCR_TX_FC_EN | PMCR_RX_FC_EN) 219 220 #define MT7530_PMSR_P(x) (0x3008 + (x) * 0x100) 221 222 /* Register for MIB */ 223 #define MT7530_PORT_MIB_COUNTER(x) (0x4000 + (x) * 0x100) 224 #define MT7530_MIB_CCR 0x4fe0 225 #define CCR_MIB_ENABLE BIT(31) 226 #define CCR_RX_OCT_CNT_GOOD BIT(7) 227 #define CCR_RX_OCT_CNT_BAD BIT(6) 228 #define CCR_TX_OCT_CNT_GOOD BIT(5) 229 #define CCR_TX_OCT_CNT_BAD BIT(4) 230 #define CCR_MIB_FLUSH (CCR_RX_OCT_CNT_GOOD | \ 231 CCR_RX_OCT_CNT_BAD | \ 232 CCR_TX_OCT_CNT_GOOD | \ 233 CCR_TX_OCT_CNT_BAD) 234 #define CCR_MIB_ACTIVATE (CCR_MIB_ENABLE | \ 235 CCR_RX_OCT_CNT_GOOD | \ 236 CCR_RX_OCT_CNT_BAD | \ 237 CCR_TX_OCT_CNT_GOOD | \ 238 CCR_TX_OCT_CNT_BAD) 239 /* Register for system reset */ 240 #define MT7530_SYS_CTRL 0x7000 241 #define SYS_CTRL_PHY_RST BIT(2) 242 #define SYS_CTRL_SW_RST BIT(1) 243 #define SYS_CTRL_REG_RST BIT(0) 244 245 /* Register for hw trap status */ 246 #define MT7530_HWTRAP 0x7800 247 248 /* Register for hw trap modification */ 249 #define MT7530_MHWTRAP 0x7804 250 #define MHWTRAP_MANUAL BIT(16) 251 #define MHWTRAP_P5_MAC_SEL BIT(13) 252 #define MHWTRAP_P6_DIS BIT(8) 253 #define MHWTRAP_P5_RGMII_MODE BIT(7) 254 #define MHWTRAP_P5_DIS BIT(6) 255 #define MHWTRAP_PHY_ACCESS BIT(5) 256 257 /* Register for TOP signal control */ 258 #define MT7530_TOP_SIG_CTRL 0x7808 259 #define TOP_SIG_CTRL_NORMAL (BIT(17) | BIT(16)) 260 261 #define MT7530_IO_DRV_CR 0x7810 262 #define P5_IO_CLK_DRV(x) ((x) & 0x3) 263 #define P5_IO_DATA_DRV(x) (((x) & 0x3) << 4) 264 265 #define MT7530_P6ECR 0x7830 266 #define P6_INTF_MODE_MASK 0x3 267 #define P6_INTF_MODE(x) ((x) & 0x3) 268 269 /* Registers for TRGMII on the both side */ 270 #define MT7530_TRGMII_RCK_CTRL 0x7a00 271 #define GSW_TRGMII_RCK_CTRL 0x300 272 #define RX_RST BIT(31) 273 #define RXC_DQSISEL BIT(30) 274 #define DQSI1_TAP_MASK (0x7f << 8) 275 #define DQSI0_TAP_MASK 0x7f 276 #define DQSI1_TAP(x) (((x) & 0x7f) << 8) 277 #define DQSI0_TAP(x) ((x) & 0x7f) 278 279 #define MT7530_TRGMII_RCK_RTT 0x7a04 280 #define GSW_TRGMII_RCK_RTT 0x304 281 #define DQS1_GATE BIT(31) 282 #define DQS0_GATE BIT(30) 283 284 #define MT7530_TRGMII_RD(x) (0x7a10 + (x) * 8) 285 #define GSW_TRGMII_RD(x) (0x310 + (x) * 8) 286 #define BSLIP_EN BIT(31) 287 #define EDGE_CHK BIT(30) 288 #define RD_TAP_MASK 0x7f 289 #define RD_TAP(x) ((x) & 0x7f) 290 291 #define GSW_TRGMII_TXCTRL 0x340 292 #define MT7530_TRGMII_TXCTRL 0x7a40 293 #define TRAIN_TXEN BIT(31) 294 #define TXC_INV BIT(30) 295 #define TX_RST BIT(28) 296 297 #define MT7530_TRGMII_TD_ODT(i) (0x7a54 + 8 * (i)) 298 #define GSW_TRGMII_TD_ODT(i) (0x354 + 8 * (i)) 299 #define TD_DM_DRVP(x) ((x) & 0xf) 300 #define TD_DM_DRVN(x) (((x) & 0xf) << 4) 301 302 #define GSW_INTF_MODE 0x390 303 #define INTF_MODE_TRGMII BIT(1) 304 305 #define MT7530_TRGMII_TCK_CTRL 0x7a78 306 #define TCK_TAP(x) (((x) & 0xf) << 8) 307 308 #define MT7530_P5RGMIIRXCR 0x7b00 309 #define CSR_RGMII_EDGE_ALIGN BIT(8) 310 #define CSR_RGMII_RXC_0DEG_CFG(x) ((x) & 0xf) 311 312 #define MT7530_P5RGMIITXCR 0x7b04 313 #define CSR_RGMII_TXC_CFG(x) ((x) & 0x1f) 314 315 #define MT7530_CREV 0x7ffc 316 #define CHIP_NAME_SHIFT 16 317 #define MT7530_ID 0x7530 318 319 /* Registers for core PLL access through mmd indirect */ 320 #define CORE_PLL_GROUP2 0x401 321 #define RG_SYSPLL_EN_NORMAL BIT(15) 322 #define RG_SYSPLL_VODEN BIT(14) 323 #define RG_SYSPLL_LF BIT(13) 324 #define RG_SYSPLL_RST_DLY(x) (((x) & 0x3) << 12) 325 #define RG_SYSPLL_LVROD_EN BIT(10) 326 #define RG_SYSPLL_PREDIV(x) (((x) & 0x3) << 8) 327 #define RG_SYSPLL_POSDIV(x) (((x) & 0x3) << 5) 328 #define RG_SYSPLL_FBKSEL BIT(4) 329 #define RT_SYSPLL_EN_AFE_OLT BIT(0) 330 331 #define CORE_PLL_GROUP4 0x403 332 #define RG_SYSPLL_DDSFBK_EN BIT(12) 333 #define RG_SYSPLL_BIAS_EN BIT(11) 334 #define RG_SYSPLL_BIAS_LPF_EN BIT(10) 335 336 #define CORE_PLL_GROUP5 0x404 337 #define RG_LCDDS_PCW_NCPO1(x) ((x) & 0xffff) 338 339 #define CORE_PLL_GROUP6 0x405 340 #define RG_LCDDS_PCW_NCPO0(x) ((x) & 0xffff) 341 342 #define CORE_PLL_GROUP7 0x406 343 #define RG_LCDDS_PWDB BIT(15) 344 #define RG_LCDDS_ISO_EN BIT(13) 345 #define RG_LCCDS_C(x) (((x) & 0x7) << 4) 346 #define RG_LCDDS_PCW_NCPO_CHG BIT(3) 347 348 #define CORE_PLL_GROUP10 0x409 349 #define RG_LCDDS_SSC_DELTA(x) ((x) & 0xfff) 350 351 #define CORE_PLL_GROUP11 0x40a 352 #define RG_LCDDS_SSC_DELTA1(x) ((x) & 0xfff) 353 354 #define CORE_GSWPLL_GRP1 0x40d 355 #define RG_GSWPLL_PREDIV(x) (((x) & 0x3) << 14) 356 #define RG_GSWPLL_POSDIV_200M(x) (((x) & 0x3) << 12) 357 #define RG_GSWPLL_EN_PRE BIT(11) 358 #define RG_GSWPLL_FBKSEL BIT(10) 359 #define RG_GSWPLL_BP BIT(9) 360 #define RG_GSWPLL_BR BIT(8) 361 #define RG_GSWPLL_FBKDIV_200M(x) ((x) & 0xff) 362 363 #define CORE_GSWPLL_GRP2 0x40e 364 #define RG_GSWPLL_POSDIV_500M(x) (((x) & 0x3) << 8) 365 #define RG_GSWPLL_FBKDIV_500M(x) ((x) & 0xff) 366 367 #define CORE_TRGMII_GSW_CLK_CG 0x410 368 #define REG_GSWCK_EN BIT(0) 369 #define REG_TRGMIICK_EN BIT(1) 370 371 #define MIB_DESC(_s, _o, _n) \ 372 { \ 373 .size = (_s), \ 374 .offset = (_o), \ 375 .name = (_n), \ 376 } 377 378 struct mt7530_mib_desc { 379 unsigned int size; 380 unsigned int offset; 381 const char *name; 382 }; 383 384 struct mt7530_fdb { 385 u16 vid; 386 u8 port_mask; 387 u8 aging; 388 u8 mac[6]; 389 bool noarp; 390 }; 391 392 /* struct mt7530_port - This is the main data structure for holding the state 393 * of the port. 394 * @enable: The status used for show port is enabled or not. 395 * @pm: The matrix used to show all connections with the port. 396 * @pvid: The VLAN specified is to be considered a PVID at ingress. Any 397 * untagged frames will be assigned to the related VLAN. 398 * @vlan_filtering: The flags indicating whether the port that can recognize 399 * VLAN-tagged frames. 400 */ 401 struct mt7530_port { 402 bool enable; 403 u32 pm; 404 u16 pvid; 405 bool vlan_filtering; 406 }; 407 408 /* struct mt7530_priv - This is the main data structure for holding the state 409 * of the driver 410 * @dev: The device pointer 411 * @ds: The pointer to the dsa core structure 412 * @bus: The bus used for the device and built-in PHY 413 * @rstc: The pointer to reset control used by MCM 414 * @ethernet: The regmap used for access TRGMII-based registers 415 * @core_pwr: The power supplied into the core 416 * @io_pwr: The power supplied into the I/O 417 * @reset: The descriptor for GPIO line tied to its reset pin 418 * @mcm: Flag for distinguishing if standalone IC or module 419 * coupling 420 * @ports: Holding the state among ports 421 * @reg_mutex: The lock for protecting among process accessing 422 * registers 423 */ 424 struct mt7530_priv { 425 struct device *dev; 426 struct dsa_switch *ds; 427 struct mii_bus *bus; 428 struct reset_control *rstc; 429 struct regmap *ethernet; 430 struct regulator *core_pwr; 431 struct regulator *io_pwr; 432 struct gpio_desc *reset; 433 bool mcm; 434 435 struct mt7530_port ports[MT7530_NUM_PORTS]; 436 /* protect among processes for registers access*/ 437 struct mutex reg_mutex; 438 }; 439 440 struct mt7530_hw_vlan_entry { 441 int port; 442 u8 old_members; 443 bool untagged; 444 }; 445 446 static inline void mt7530_hw_vlan_entry_init(struct mt7530_hw_vlan_entry *e, 447 int port, bool untagged) 448 { 449 e->port = port; 450 e->untagged = untagged; 451 } 452 453 typedef void (*mt7530_vlan_op)(struct mt7530_priv *, 454 struct mt7530_hw_vlan_entry *); 455 456 struct mt7530_hw_stats { 457 const char *string; 458 u16 reg; 459 u8 sizeof_stat; 460 }; 461 462 struct mt7530_dummy_poll { 463 struct mt7530_priv *priv; 464 u32 reg; 465 }; 466 467 static inline void INIT_MT7530_DUMMY_POLL(struct mt7530_dummy_poll *p, 468 struct mt7530_priv *priv, u32 reg) 469 { 470 p->priv = priv; 471 p->reg = reg; 472 } 473 474 #endif /* __MT7530_H */ 475