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0001 /* SPDX-License-Identifier: GPL-2.0-only */
0002 /*
0003  * Copyright (C) 2017 Sean Wang <sean.wang@mediatek.com>
0004  */
0005 
0006 #ifndef __MT7530_H
0007 #define __MT7530_H
0008 
0009 #define MT7530_NUM_PORTS        7
0010 #define MT7530_NUM_PHYS         5
0011 #define MT7530_NUM_FDB_RECORDS      2048
0012 #define MT7530_ALL_MEMBERS      0xff
0013 
0014 #define MTK_HDR_LEN 4
0015 #define MT7530_MAX_MTU  (15 * 1024 - ETH_HLEN - ETH_FCS_LEN - MTK_HDR_LEN)
0016 
0017 enum mt753x_id {
0018     ID_MT7530 = 0,
0019     ID_MT7621 = 1,
0020     ID_MT7531 = 2,
0021 };
0022 
0023 #define NUM_TRGMII_CTRL         5
0024 
0025 #define TRGMII_BASE(x)          (0x10000 + (x))
0026 
0027 /* Registers to ethsys access */
0028 #define ETHSYS_CLKCFG0          0x2c
0029 #define  ETHSYS_TRGMII_CLK_SEL362_5 BIT(11)
0030 
0031 #define SYSC_REG_RSTCTRL        0x34
0032 #define  RESET_MCM          BIT(2)
0033 
0034 /* Registers to mac forward control for unknown frames */
0035 #define MT7530_MFC          0x10
0036 #define  BC_FFP(x)          (((x) & 0xff) << 24)
0037 #define  BC_FFP_MASK            BC_FFP(~0)
0038 #define  UNM_FFP(x)         (((x) & 0xff) << 16)
0039 #define  UNM_FFP_MASK           UNM_FFP(~0)
0040 #define  UNU_FFP(x)         (((x) & 0xff) << 8)
0041 #define  UNU_FFP_MASK           UNU_FFP(~0)
0042 #define  CPU_EN             BIT(7)
0043 #define  CPU_PORT(x)            ((x) << 4)
0044 #define  CPU_MASK           (0xf << 4)
0045 #define  MIRROR_EN          BIT(3)
0046 #define  MIRROR_PORT(x)         ((x) & 0x7)
0047 #define  MIRROR_MASK            0x7
0048 
0049 /* Registers for CPU forward control */
0050 #define MT7531_CFC          0x4
0051 #define  MT7531_MIRROR_EN       BIT(19)
0052 #define  MT7531_MIRROR_MASK     (MIRROR_MASK << 16)
0053 #define  MT7531_MIRROR_PORT_GET(x)  (((x) >> 16) & MIRROR_MASK)
0054 #define  MT7531_MIRROR_PORT_SET(x)  (((x) & MIRROR_MASK) << 16)
0055 #define  MT7531_CPU_PMAP_MASK       GENMASK(7, 0)
0056 
0057 #define MT753X_MIRROR_REG(id)       (((id) == ID_MT7531) ? \
0058                      MT7531_CFC : MT7530_MFC)
0059 #define MT753X_MIRROR_EN(id)        (((id) == ID_MT7531) ? \
0060                      MT7531_MIRROR_EN : MIRROR_EN)
0061 #define MT753X_MIRROR_MASK(id)      (((id) == ID_MT7531) ? \
0062                      MT7531_MIRROR_MASK : MIRROR_MASK)
0063 
0064 /* Registers for BPDU and PAE frame control*/
0065 #define MT753X_BPC          0x24
0066 #define  MT753X_BPDU_PORT_FW_MASK   GENMASK(2, 0)
0067 
0068 enum mt753x_bpdu_port_fw {
0069     MT753X_BPDU_FOLLOW_MFC,
0070     MT753X_BPDU_CPU_EXCLUDE = 4,
0071     MT753X_BPDU_CPU_INCLUDE = 5,
0072     MT753X_BPDU_CPU_ONLY = 6,
0073     MT753X_BPDU_DROP = 7,
0074 };
0075 
0076 /* Registers for address table access */
0077 #define MT7530_ATA1         0x74
0078 #define  STATIC_EMP         0
0079 #define  STATIC_ENT         3
0080 #define MT7530_ATA2         0x78
0081 #define  ATA2_IVL           BIT(15)
0082 #define  ATA2_FID(x)            (((x) & 0x7) << 12)
0083 
0084 /* Register for address table write data */
0085 #define MT7530_ATWD         0x7c
0086 
0087 /* Register for address table control */
0088 #define MT7530_ATC          0x80
0089 #define  ATC_HASH           (((x) & 0xfff) << 16)
0090 #define  ATC_BUSY           BIT(15)
0091 #define  ATC_SRCH_END           BIT(14)
0092 #define  ATC_SRCH_HIT           BIT(13)
0093 #define  ATC_INVALID            BIT(12)
0094 #define  ATC_MAT(x)         (((x) & 0xf) << 8)
0095 #define  ATC_MAT_MACTAB         ATC_MAT(0)
0096 
0097 enum mt7530_fdb_cmd {
0098     MT7530_FDB_READ = 0,
0099     MT7530_FDB_WRITE = 1,
0100     MT7530_FDB_FLUSH = 2,
0101     MT7530_FDB_START = 4,
0102     MT7530_FDB_NEXT = 5,
0103 };
0104 
0105 /* Registers for table search read address */
0106 #define MT7530_TSRA1            0x84
0107 #define  MAC_BYTE_0         24
0108 #define  MAC_BYTE_1         16
0109 #define  MAC_BYTE_2         8
0110 #define  MAC_BYTE_3         0
0111 #define  MAC_BYTE_MASK          0xff
0112 
0113 #define MT7530_TSRA2            0x88
0114 #define  MAC_BYTE_4         24
0115 #define  MAC_BYTE_5         16
0116 #define  CVID               0
0117 #define  CVID_MASK          0xfff
0118 
0119 #define MT7530_ATRD         0x8C
0120 #define  AGE_TIMER          24
0121 #define  AGE_TIMER_MASK         0xff
0122 #define  PORT_MAP           4
0123 #define  PORT_MAP_MASK          0xff
0124 #define  ENT_STATUS         2
0125 #define  ENT_STATUS_MASK        0x3
0126 
0127 /* Register for vlan table control */
0128 #define MT7530_VTCR         0x90
0129 #define  VTCR_BUSY          BIT(31)
0130 #define  VTCR_INVALID           BIT(16)
0131 #define  VTCR_FUNC(x)           (((x) & 0xf) << 12)
0132 #define  VTCR_VID           ((x) & 0xfff)
0133 
0134 enum mt7530_vlan_cmd {
0135     /* Read/Write the specified VID entry from VAWD register based
0136      * on VID.
0137      */
0138     MT7530_VTCR_RD_VID = 0,
0139     MT7530_VTCR_WR_VID = 1,
0140 };
0141 
0142 /* Register for setup vlan and acl write data */
0143 #define MT7530_VAWD1            0x94
0144 #define  PORT_STAG          BIT(31)
0145 /* Independent VLAN Learning */
0146 #define  IVL_MAC            BIT(30)
0147 /* Egress Tag Consistent */
0148 #define  EG_CON             BIT(29)
0149 /* Per VLAN Egress Tag Control */
0150 #define  VTAG_EN            BIT(28)
0151 /* VLAN Member Control */
0152 #define  PORT_MEM(x)            (((x) & 0xff) << 16)
0153 /* Filter ID */
0154 #define  FID(x)             (((x) & 0x7) << 1)
0155 /* VLAN Entry Valid */
0156 #define  VLAN_VALID         BIT(0)
0157 #define  PORT_MEM_SHFT          16
0158 #define  PORT_MEM_MASK          0xff
0159 
0160 enum mt7530_fid {
0161     FID_STANDALONE = 0,
0162     FID_BRIDGED = 1,
0163 };
0164 
0165 #define MT7530_VAWD2            0x98
0166 /* Egress Tag Control */
0167 #define  ETAG_CTRL_P(p, x)      (((x) & 0x3) << ((p) << 1))
0168 #define  ETAG_CTRL_P_MASK(p)        ETAG_CTRL_P(p, 3)
0169 
0170 enum mt7530_vlan_egress_attr {
0171     MT7530_VLAN_EGRESS_UNTAG = 0,
0172     MT7530_VLAN_EGRESS_TAG = 2,
0173     MT7530_VLAN_EGRESS_STACK = 3,
0174 };
0175 
0176 /* Register for address age control */
0177 #define MT7530_AAC          0xa0
0178 /* Disable ageing */
0179 #define  AGE_DIS            BIT(20)
0180 /* Age count */
0181 #define  AGE_CNT_MASK           GENMASK(19, 12)
0182 #define  AGE_CNT_MAX            0xff
0183 #define  AGE_CNT(x)         (AGE_CNT_MASK & ((x) << 12))
0184 /* Age unit */
0185 #define  AGE_UNIT_MASK          GENMASK(11, 0)
0186 #define  AGE_UNIT_MAX           0xfff
0187 #define  AGE_UNIT(x)            (AGE_UNIT_MASK & (x))
0188 
0189 /* Register for port STP state control */
0190 #define MT7530_SSP_P(x)         (0x2000 + ((x) * 0x100))
0191 #define  FID_PST(fid, state)        (((state) & 0x3) << ((fid) * 2))
0192 #define  FID_PST_MASK(fid)      FID_PST(fid, 0x3)
0193 
0194 enum mt7530_stp_state {
0195     MT7530_STP_DISABLED = 0,
0196     MT7530_STP_BLOCKING = 1,
0197     MT7530_STP_LISTENING = 1,
0198     MT7530_STP_LEARNING = 2,
0199     MT7530_STP_FORWARDING  = 3
0200 };
0201 
0202 /* Register for port control */
0203 #define MT7530_PCR_P(x)         (0x2004 + ((x) * 0x100))
0204 #define  PORT_TX_MIR            BIT(9)
0205 #define  PORT_RX_MIR            BIT(8)
0206 #define  PORT_VLAN(x)           ((x) & 0x3)
0207 
0208 enum mt7530_port_mode {
0209     /* Port Matrix Mode: Frames are forwarded by the PCR_MATRIX members. */
0210     MT7530_PORT_MATRIX_MODE = PORT_VLAN(0),
0211 
0212     /* Fallback Mode: Forward received frames with ingress ports that do
0213      * not belong to the VLAN member. Frames whose VID is not listed on
0214      * the VLAN table are forwarded by the PCR_MATRIX members.
0215      */
0216     MT7530_PORT_FALLBACK_MODE = PORT_VLAN(1),
0217 
0218     /* Security Mode: Discard any frame due to ingress membership
0219      * violation or VID missed on the VLAN table.
0220      */
0221     MT7530_PORT_SECURITY_MODE = PORT_VLAN(3),
0222 };
0223 
0224 #define  PCR_MATRIX(x)          (((x) & 0xff) << 16)
0225 #define  PORT_PRI(x)            (((x) & 0x7) << 24)
0226 #define  EG_TAG(x)          (((x) & 0x3) << 28)
0227 #define  PCR_MATRIX_MASK        PCR_MATRIX(0xff)
0228 #define  PCR_MATRIX_CLR         PCR_MATRIX(0)
0229 #define  PCR_PORT_VLAN_MASK     PORT_VLAN(3)
0230 
0231 /* Register for port security control */
0232 #define MT7530_PSC_P(x)         (0x200c + ((x) * 0x100))
0233 #define  SA_DIS             BIT(4)
0234 
0235 /* Register for port vlan control */
0236 #define MT7530_PVC_P(x)         (0x2010 + ((x) * 0x100))
0237 #define  PORT_SPEC_TAG          BIT(5)
0238 #define  PVC_EG_TAG(x)          (((x) & 0x7) << 8)
0239 #define  PVC_EG_TAG_MASK        PVC_EG_TAG(7)
0240 #define  VLAN_ATTR(x)           (((x) & 0x3) << 6)
0241 #define  VLAN_ATTR_MASK         VLAN_ATTR(3)
0242 #define  ACC_FRM_MASK           GENMASK(1, 0)
0243 
0244 enum mt7530_vlan_port_eg_tag {
0245     MT7530_VLAN_EG_DISABLED = 0,
0246     MT7530_VLAN_EG_CONSISTENT = 1,
0247 };
0248 
0249 enum mt7530_vlan_port_attr {
0250     MT7530_VLAN_USER = 0,
0251     MT7530_VLAN_TRANSPARENT = 3,
0252 };
0253 
0254 enum mt7530_vlan_port_acc_frm {
0255     MT7530_VLAN_ACC_ALL = 0,
0256     MT7530_VLAN_ACC_TAGGED = 1,
0257     MT7530_VLAN_ACC_UNTAGGED = 2,
0258 };
0259 
0260 #define  STAG_VPID          (((x) & 0xffff) << 16)
0261 
0262 /* Register for port port-and-protocol based vlan 1 control */
0263 #define MT7530_PPBV1_P(x)       (0x2014 + ((x) * 0x100))
0264 #define  G0_PORT_VID(x)         (((x) & 0xfff) << 0)
0265 #define  G0_PORT_VID_MASK       G0_PORT_VID(0xfff)
0266 #define  G0_PORT_VID_DEF        G0_PORT_VID(0)
0267 
0268 /* Register for port MAC control register */
0269 #define MT7530_PMCR_P(x)        (0x3000 + ((x) * 0x100))
0270 #define  PMCR_IFG_XMIT(x)       (((x) & 0x3) << 18)
0271 #define  PMCR_EXT_PHY           BIT(17)
0272 #define  PMCR_MAC_MODE          BIT(16)
0273 #define  PMCR_FORCE_MODE        BIT(15)
0274 #define  PMCR_TX_EN         BIT(14)
0275 #define  PMCR_RX_EN         BIT(13)
0276 #define  PMCR_BACKOFF_EN        BIT(9)
0277 #define  PMCR_BACKPR_EN         BIT(8)
0278 #define  PMCR_FORCE_EEE1G       BIT(7)
0279 #define  PMCR_FORCE_EEE100      BIT(6)
0280 #define  PMCR_TX_FC_EN          BIT(5)
0281 #define  PMCR_RX_FC_EN          BIT(4)
0282 #define  PMCR_FORCE_SPEED_1000      BIT(3)
0283 #define  PMCR_FORCE_SPEED_100       BIT(2)
0284 #define  PMCR_FORCE_FDX         BIT(1)
0285 #define  PMCR_FORCE_LNK         BIT(0)
0286 #define  PMCR_SPEED_MASK        (PMCR_FORCE_SPEED_100 | \
0287                      PMCR_FORCE_SPEED_1000)
0288 #define  MT7531_FORCE_LNK       BIT(31)
0289 #define  MT7531_FORCE_SPD       BIT(30)
0290 #define  MT7531_FORCE_DPX       BIT(29)
0291 #define  MT7531_FORCE_RX_FC     BIT(28)
0292 #define  MT7531_FORCE_TX_FC     BIT(27)
0293 #define  MT7531_FORCE_MODE      (MT7531_FORCE_LNK | \
0294                      MT7531_FORCE_SPD | \
0295                      MT7531_FORCE_DPX | \
0296                      MT7531_FORCE_RX_FC | \
0297                      MT7531_FORCE_TX_FC)
0298 #define  PMCR_FORCE_MODE_ID(id)     (((id) == ID_MT7531) ? \
0299                      MT7531_FORCE_MODE : \
0300                      PMCR_FORCE_MODE)
0301 #define  PMCR_LINK_SETTINGS_MASK    (PMCR_TX_EN | PMCR_FORCE_SPEED_1000 | \
0302                      PMCR_RX_EN | PMCR_FORCE_SPEED_100 | \
0303                      PMCR_TX_FC_EN | PMCR_RX_FC_EN | \
0304                      PMCR_FORCE_FDX | PMCR_FORCE_LNK | \
0305                      PMCR_FORCE_EEE1G | PMCR_FORCE_EEE100)
0306 #define  PMCR_CPU_PORT_SETTING(id)  (PMCR_FORCE_MODE_ID((id)) | \
0307                      PMCR_IFG_XMIT(1) | PMCR_MAC_MODE | \
0308                      PMCR_BACKOFF_EN | PMCR_BACKPR_EN | \
0309                      PMCR_TX_EN | PMCR_RX_EN | \
0310                      PMCR_TX_FC_EN | PMCR_RX_FC_EN | \
0311                      PMCR_FORCE_SPEED_1000 | \
0312                      PMCR_FORCE_FDX | PMCR_FORCE_LNK)
0313 
0314 #define MT7530_PMEEECR_P(x)     (0x3004 + (x) * 0x100)
0315 #define  WAKEUP_TIME_1000(x)        (((x) & 0xFF) << 24)
0316 #define  WAKEUP_TIME_100(x)     (((x) & 0xFF) << 16)
0317 #define  LPI_THRESH_MASK        GENMASK(15, 4)
0318 #define  LPI_THRESH_SHT         4
0319 #define  SET_LPI_THRESH(x)      (((x) << LPI_THRESH_SHT) & LPI_THRESH_MASK)
0320 #define  GET_LPI_THRESH(x)      (((x) & LPI_THRESH_MASK) >> LPI_THRESH_SHT)
0321 #define  LPI_MODE_EN            BIT(0)
0322 
0323 #define MT7530_PMSR_P(x)        (0x3008 + (x) * 0x100)
0324 #define  PMSR_EEE1G         BIT(7)
0325 #define  PMSR_EEE100M           BIT(6)
0326 #define  PMSR_RX_FC         BIT(5)
0327 #define  PMSR_TX_FC         BIT(4)
0328 #define  PMSR_SPEED_1000        BIT(3)
0329 #define  PMSR_SPEED_100         BIT(2)
0330 #define  PMSR_SPEED_10          0x00
0331 #define  PMSR_SPEED_MASK        (PMSR_SPEED_100 | PMSR_SPEED_1000)
0332 #define  PMSR_DPX           BIT(1)
0333 #define  PMSR_LINK          BIT(0)
0334 
0335 /* Register for port debug count */
0336 #define MT7531_DBG_CNT(x)       (0x3018 + (x) * 0x100)
0337 #define  MT7531_DIS_CLR         BIT(31)
0338 
0339 #define MT7530_GMACCR           0x30e0
0340 #define  MAX_RX_JUMBO(x)        ((x) << 2)
0341 #define  MAX_RX_JUMBO_MASK      GENMASK(5, 2)
0342 #define  MAX_RX_PKT_LEN_MASK        GENMASK(1, 0)
0343 #define  MAX_RX_PKT_LEN_1522        0x0
0344 #define  MAX_RX_PKT_LEN_1536        0x1
0345 #define  MAX_RX_PKT_LEN_1552        0x2
0346 #define  MAX_RX_PKT_LEN_JUMBO       0x3
0347 
0348 /* Register for MIB */
0349 #define MT7530_PORT_MIB_COUNTER(x)  (0x4000 + (x) * 0x100)
0350 #define MT7530_MIB_CCR          0x4fe0
0351 #define  CCR_MIB_ENABLE         BIT(31)
0352 #define  CCR_RX_OCT_CNT_GOOD        BIT(7)
0353 #define  CCR_RX_OCT_CNT_BAD     BIT(6)
0354 #define  CCR_TX_OCT_CNT_GOOD        BIT(5)
0355 #define  CCR_TX_OCT_CNT_BAD     BIT(4)
0356 #define  CCR_MIB_FLUSH          (CCR_RX_OCT_CNT_GOOD | \
0357                      CCR_RX_OCT_CNT_BAD | \
0358                      CCR_TX_OCT_CNT_GOOD | \
0359                      CCR_TX_OCT_CNT_BAD)
0360 #define  CCR_MIB_ACTIVATE       (CCR_MIB_ENABLE | \
0361                      CCR_RX_OCT_CNT_GOOD | \
0362                      CCR_RX_OCT_CNT_BAD | \
0363                      CCR_TX_OCT_CNT_GOOD | \
0364                      CCR_TX_OCT_CNT_BAD)
0365 
0366 /* MT7531 SGMII register group */
0367 #define MT7531_SGMII_REG_BASE       0x5000
0368 #define MT7531_SGMII_REG(p, r)      (MT7531_SGMII_REG_BASE + \
0369                     ((p) - 5) * 0x1000 + (r))
0370 
0371 /* Register forSGMII PCS_CONTROL_1 */
0372 #define MT7531_PCS_CONTROL_1(p)     MT7531_SGMII_REG(p, 0x00)
0373 #define  MT7531_SGMII_LINK_STATUS   BIT(18)
0374 #define  MT7531_SGMII_AN_ENABLE     BIT(12)
0375 #define  MT7531_SGMII_AN_RESTART    BIT(9)
0376 
0377 /* Register for SGMII PCS_SPPED_ABILITY */
0378 #define MT7531_PCS_SPEED_ABILITY(p) MT7531_SGMII_REG(p, 0x08)
0379 #define  MT7531_SGMII_TX_CONFIG_MASK    GENMASK(15, 0)
0380 #define  MT7531_SGMII_TX_CONFIG     BIT(0)
0381 
0382 /* Register for SGMII_MODE */
0383 #define MT7531_SGMII_MODE(p)        MT7531_SGMII_REG(p, 0x20)
0384 #define  MT7531_SGMII_REMOTE_FAULT_DIS  BIT(8)
0385 #define  MT7531_SGMII_IF_MODE_MASK  GENMASK(5, 1)
0386 #define  MT7531_SGMII_FORCE_DUPLEX  BIT(4)
0387 #define  MT7531_SGMII_FORCE_SPEED_MASK  GENMASK(3, 2)
0388 #define  MT7531_SGMII_FORCE_SPEED_1000  BIT(3)
0389 #define  MT7531_SGMII_FORCE_SPEED_100   BIT(2)
0390 #define  MT7531_SGMII_FORCE_SPEED_10    0
0391 #define  MT7531_SGMII_SPEED_DUPLEX_AN   BIT(1)
0392 
0393 enum mt7531_sgmii_force_duplex {
0394     MT7531_SGMII_FORCE_FULL_DUPLEX = 0,
0395     MT7531_SGMII_FORCE_HALF_DUPLEX = 0x10,
0396 };
0397 
0398 /* Fields of QPHY_PWR_STATE_CTRL */
0399 #define MT7531_QPHY_PWR_STATE_CTRL(p)   MT7531_SGMII_REG(p, 0xe8)
0400 #define  MT7531_SGMII_PHYA_PWD      BIT(4)
0401 
0402 /* Values of SGMII SPEED */
0403 #define MT7531_PHYA_CTRL_SIGNAL3(p) MT7531_SGMII_REG(p, 0x128)
0404 #define  MT7531_RG_TPHY_SPEED_MASK  (BIT(2) | BIT(3))
0405 #define  MT7531_RG_TPHY_SPEED_1_25G 0x0
0406 #define  MT7531_RG_TPHY_SPEED_3_125G    BIT(2)
0407 
0408 /* Register for system reset */
0409 #define MT7530_SYS_CTRL         0x7000
0410 #define  SYS_CTRL_PHY_RST       BIT(2)
0411 #define  SYS_CTRL_SW_RST        BIT(1)
0412 #define  SYS_CTRL_REG_RST       BIT(0)
0413 
0414 /* Register for system interrupt */
0415 #define MT7530_SYS_INT_EN       0x7008
0416 
0417 /* Register for system interrupt status */
0418 #define MT7530_SYS_INT_STS      0x700c
0419 
0420 /* Register for PHY Indirect Access Control */
0421 #define MT7531_PHY_IAC          0x701C
0422 #define  MT7531_PHY_ACS_ST      BIT(31)
0423 #define  MT7531_MDIO_REG_ADDR_MASK  (0x1f << 25)
0424 #define  MT7531_MDIO_PHY_ADDR_MASK  (0x1f << 20)
0425 #define  MT7531_MDIO_CMD_MASK       (0x3 << 18)
0426 #define  MT7531_MDIO_ST_MASK        (0x3 << 16)
0427 #define  MT7531_MDIO_RW_DATA_MASK   (0xffff)
0428 #define  MT7531_MDIO_REG_ADDR(x)    (((x) & 0x1f) << 25)
0429 #define  MT7531_MDIO_DEV_ADDR(x)    (((x) & 0x1f) << 25)
0430 #define  MT7531_MDIO_PHY_ADDR(x)    (((x) & 0x1f) << 20)
0431 #define  MT7531_MDIO_CMD(x)     (((x) & 0x3) << 18)
0432 #define  MT7531_MDIO_ST(x)      (((x) & 0x3) << 16)
0433 
0434 enum mt7531_phy_iac_cmd {
0435     MT7531_MDIO_ADDR = 0,
0436     MT7531_MDIO_WRITE = 1,
0437     MT7531_MDIO_READ = 2,
0438     MT7531_MDIO_READ_CL45 = 3,
0439 };
0440 
0441 /* MDIO_ST: MDIO start field */
0442 enum mt7531_mdio_st {
0443     MT7531_MDIO_ST_CL45 = 0,
0444     MT7531_MDIO_ST_CL22 = 1,
0445 };
0446 
0447 #define  MT7531_MDIO_CL22_READ      (MT7531_MDIO_ST(MT7531_MDIO_ST_CL22) | \
0448                      MT7531_MDIO_CMD(MT7531_MDIO_READ))
0449 #define  MT7531_MDIO_CL22_WRITE     (MT7531_MDIO_ST(MT7531_MDIO_ST_CL22) | \
0450                      MT7531_MDIO_CMD(MT7531_MDIO_WRITE))
0451 #define  MT7531_MDIO_CL45_ADDR      (MT7531_MDIO_ST(MT7531_MDIO_ST_CL45) | \
0452                      MT7531_MDIO_CMD(MT7531_MDIO_ADDR))
0453 #define  MT7531_MDIO_CL45_READ      (MT7531_MDIO_ST(MT7531_MDIO_ST_CL45) | \
0454                      MT7531_MDIO_CMD(MT7531_MDIO_READ))
0455 #define  MT7531_MDIO_CL45_WRITE     (MT7531_MDIO_ST(MT7531_MDIO_ST_CL45) | \
0456                      MT7531_MDIO_CMD(MT7531_MDIO_WRITE))
0457 
0458 /* Register for RGMII clock phase */
0459 #define MT7531_CLKGEN_CTRL      0x7500
0460 #define  CLK_SKEW_OUT(x)        (((x) & 0x3) << 8)
0461 #define  CLK_SKEW_OUT_MASK      GENMASK(9, 8)
0462 #define  CLK_SKEW_IN(x)         (((x) & 0x3) << 6)
0463 #define  CLK_SKEW_IN_MASK       GENMASK(7, 6)
0464 #define  RXCLK_NO_DELAY         BIT(5)
0465 #define  TXCLK_NO_REVERSE       BIT(4)
0466 #define  GP_MODE(x)         (((x) & 0x3) << 1)
0467 #define  GP_MODE_MASK           GENMASK(2, 1)
0468 #define  GP_CLK_EN          BIT(0)
0469 
0470 enum mt7531_gp_mode {
0471     MT7531_GP_MODE_RGMII = 0,
0472     MT7531_GP_MODE_MII = 1,
0473     MT7531_GP_MODE_REV_MII = 2
0474 };
0475 
0476 enum mt7531_clk_skew {
0477     MT7531_CLK_SKEW_NO_CHG = 0,
0478     MT7531_CLK_SKEW_DLY_100PPS = 1,
0479     MT7531_CLK_SKEW_DLY_200PPS = 2,
0480     MT7531_CLK_SKEW_REVERSE = 3,
0481 };
0482 
0483 /* Register for hw trap status */
0484 #define MT7530_HWTRAP           0x7800
0485 #define  HWTRAP_XTAL_MASK       (BIT(10) | BIT(9))
0486 #define  HWTRAP_XTAL_25MHZ      (BIT(10) | BIT(9))
0487 #define  HWTRAP_XTAL_40MHZ      (BIT(10))
0488 #define  HWTRAP_XTAL_20MHZ      (BIT(9))
0489 
0490 #define MT7531_HWTRAP           0x7800
0491 #define  HWTRAP_XTAL_FSEL_MASK      BIT(7)
0492 #define  HWTRAP_XTAL_FSEL_25MHZ     BIT(7)
0493 #define  HWTRAP_XTAL_FSEL_40MHZ     0
0494 /* Unique fields of (M)HWSTRAP for MT7531 */
0495 #define  XTAL_FSEL_S            7
0496 #define  XTAL_FSEL_M            BIT(7)
0497 #define  PHY_EN             BIT(6)
0498 #define  CHG_STRAP          BIT(8)
0499 
0500 /* Register for hw trap modification */
0501 #define MT7530_MHWTRAP          0x7804
0502 #define  MHWTRAP_PHY0_SEL       BIT(20)
0503 #define  MHWTRAP_MANUAL         BIT(16)
0504 #define  MHWTRAP_P5_MAC_SEL     BIT(13)
0505 #define  MHWTRAP_P6_DIS         BIT(8)
0506 #define  MHWTRAP_P5_RGMII_MODE      BIT(7)
0507 #define  MHWTRAP_P5_DIS         BIT(6)
0508 #define  MHWTRAP_PHY_ACCESS     BIT(5)
0509 
0510 /* Register for TOP signal control */
0511 #define MT7530_TOP_SIG_CTRL     0x7808
0512 #define  TOP_SIG_CTRL_NORMAL        (BIT(17) | BIT(16))
0513 
0514 #define MT7531_TOP_SIG_SR       0x780c
0515 #define  PAD_DUAL_SGMII_EN      BIT(1)
0516 #define  PAD_MCM_SMI_EN         BIT(0)
0517 
0518 #define MT7530_IO_DRV_CR        0x7810
0519 #define  P5_IO_CLK_DRV(x)       ((x) & 0x3)
0520 #define  P5_IO_DATA_DRV(x)      (((x) & 0x3) << 4)
0521 
0522 #define MT7531_CHIP_REV         0x781C
0523 
0524 #define MT7531_PLLGP_EN         0x7820
0525 #define  EN_COREPLL         BIT(2)
0526 #define  SW_CLKSW           BIT(1)
0527 #define  SW_PLLGP           BIT(0)
0528 
0529 #define MT7530_P6ECR            0x7830
0530 #define  P6_INTF_MODE_MASK      0x3
0531 #define  P6_INTF_MODE(x)        ((x) & 0x3)
0532 
0533 #define MT7531_PLLGP_CR0        0x78a8
0534 #define  RG_COREPLL_EN          BIT(22)
0535 #define  RG_COREPLL_POSDIV_S        23
0536 #define  RG_COREPLL_POSDIV_M        0x3800000
0537 #define  RG_COREPLL_SDM_PCW_S       1
0538 #define  RG_COREPLL_SDM_PCW_M       0x3ffffe
0539 #define  RG_COREPLL_SDM_PCW_CHG     BIT(0)
0540 
0541 /* Registers for RGMII and SGMII PLL clock */
0542 #define MT7531_ANA_PLLGP_CR2        0x78b0
0543 #define MT7531_ANA_PLLGP_CR5        0x78bc
0544 
0545 /* Registers for TRGMII on the both side */
0546 #define MT7530_TRGMII_RCK_CTRL      0x7a00
0547 #define  RX_RST             BIT(31)
0548 #define  RXC_DQSISEL            BIT(30)
0549 #define  DQSI1_TAP_MASK         (0x7f << 8)
0550 #define  DQSI0_TAP_MASK         0x7f
0551 #define  DQSI1_TAP(x)           (((x) & 0x7f) << 8)
0552 #define  DQSI0_TAP(x)           ((x) & 0x7f)
0553 
0554 #define MT7530_TRGMII_RCK_RTT       0x7a04
0555 #define  DQS1_GATE          BIT(31)
0556 #define  DQS0_GATE          BIT(30)
0557 
0558 #define MT7530_TRGMII_RD(x)     (0x7a10 + (x) * 8)
0559 #define  BSLIP_EN           BIT(31)
0560 #define  EDGE_CHK           BIT(30)
0561 #define  RD_TAP_MASK            0x7f
0562 #define  RD_TAP(x)          ((x) & 0x7f)
0563 
0564 #define MT7530_TRGMII_TXCTRL        0x7a40
0565 #define  TRAIN_TXEN         BIT(31)
0566 #define  TXC_INV            BIT(30)
0567 #define  TX_RST             BIT(28)
0568 
0569 #define MT7530_TRGMII_TD_ODT(i)     (0x7a54 + 8 * (i))
0570 #define  TD_DM_DRVP(x)          ((x) & 0xf)
0571 #define  TD_DM_DRVN(x)          (((x) & 0xf) << 4)
0572 
0573 #define MT7530_TRGMII_TCK_CTRL      0x7a78
0574 #define  TCK_TAP(x)         (((x) & 0xf) << 8)
0575 
0576 #define MT7530_P5RGMIIRXCR      0x7b00
0577 #define  CSR_RGMII_EDGE_ALIGN       BIT(8)
0578 #define  CSR_RGMII_RXC_0DEG_CFG(x)  ((x) & 0xf)
0579 
0580 #define MT7530_P5RGMIITXCR      0x7b04
0581 #define  CSR_RGMII_TXC_CFG(x)       ((x) & 0x1f)
0582 
0583 /* Registers for GPIO mode */
0584 #define MT7531_GPIO_MODE0       0x7c0c
0585 #define  MT7531_GPIO0_MASK      GENMASK(3, 0)
0586 #define  MT7531_GPIO0_INTERRUPT     1
0587 
0588 #define MT7531_GPIO_MODE1       0x7c10
0589 #define  MT7531_GPIO11_RG_RXD2_MASK GENMASK(15, 12)
0590 #define  MT7531_EXT_P_MDC_11        (2 << 12)
0591 #define  MT7531_GPIO12_RG_RXD3_MASK GENMASK(19, 16)
0592 #define  MT7531_EXT_P_MDIO_12       (2 << 16)
0593 
0594 /* Registers for LED GPIO control (MT7530 only)
0595  * All registers follow this pattern:
0596  * [ 2: 0]  port 0
0597  * [ 6: 4]  port 1
0598  * [10: 8]  port 2
0599  * [14:12]  port 3
0600  * [18:16]  port 4
0601  */
0602 
0603 /* LED enable, 0: Disable, 1: Enable (Default) */
0604 #define MT7530_LED_EN           0x7d00
0605 /* LED mode, 0: GPIO mode, 1: PHY mode (Default) */
0606 #define MT7530_LED_IO_MODE      0x7d04
0607 /* GPIO direction, 0: Input, 1: Output */
0608 #define MT7530_LED_GPIO_DIR     0x7d10
0609 /* GPIO output enable, 0: Disable, 1: Enable */
0610 #define MT7530_LED_GPIO_OE      0x7d14
0611 /* GPIO value, 0: Low, 1: High */
0612 #define MT7530_LED_GPIO_DATA        0x7d18
0613 
0614 #define MT7530_CREV         0x7ffc
0615 #define  CHIP_NAME_SHIFT        16
0616 #define  MT7530_ID          0x7530
0617 
0618 #define MT7531_CREV         0x781C
0619 #define  CHIP_REV_M         0x0f
0620 #define  MT7531_ID          0x7531
0621 
0622 /* Registers for core PLL access through mmd indirect */
0623 #define CORE_PLL_GROUP2         0x401
0624 #define  RG_SYSPLL_EN_NORMAL        BIT(15)
0625 #define  RG_SYSPLL_VODEN        BIT(14)
0626 #define  RG_SYSPLL_LF           BIT(13)
0627 #define  RG_SYSPLL_RST_DLY(x)       (((x) & 0x3) << 12)
0628 #define  RG_SYSPLL_LVROD_EN     BIT(10)
0629 #define  RG_SYSPLL_PREDIV(x)        (((x) & 0x3) << 8)
0630 #define  RG_SYSPLL_POSDIV(x)        (((x) & 0x3) << 5)
0631 #define  RG_SYSPLL_FBKSEL       BIT(4)
0632 #define  RT_SYSPLL_EN_AFE_OLT       BIT(0)
0633 
0634 #define CORE_PLL_GROUP4         0x403
0635 #define  RG_SYSPLL_DDSFBK_EN        BIT(12)
0636 #define  RG_SYSPLL_BIAS_EN      BIT(11)
0637 #define  RG_SYSPLL_BIAS_LPF_EN      BIT(10)
0638 #define  MT7531_PHY_PLL_OFF     BIT(5)
0639 #define  MT7531_PHY_PLL_BYPASS_MODE BIT(4)
0640 
0641 #define MT753X_CTRL_PHY_ADDR        0
0642 
0643 #define CORE_PLL_GROUP5         0x404
0644 #define  RG_LCDDS_PCW_NCPO1(x)      ((x) & 0xffff)
0645 
0646 #define CORE_PLL_GROUP6         0x405
0647 #define  RG_LCDDS_PCW_NCPO0(x)      ((x) & 0xffff)
0648 
0649 #define CORE_PLL_GROUP7         0x406
0650 #define  RG_LCDDS_PWDB          BIT(15)
0651 #define  RG_LCDDS_ISO_EN        BIT(13)
0652 #define  RG_LCCDS_C(x)          (((x) & 0x7) << 4)
0653 #define  RG_LCDDS_PCW_NCPO_CHG      BIT(3)
0654 
0655 #define CORE_PLL_GROUP10        0x409
0656 #define  RG_LCDDS_SSC_DELTA(x)      ((x) & 0xfff)
0657 
0658 #define CORE_PLL_GROUP11        0x40a
0659 #define  RG_LCDDS_SSC_DELTA1(x)     ((x) & 0xfff)
0660 
0661 #define CORE_GSWPLL_GRP1        0x40d
0662 #define  RG_GSWPLL_PREDIV(x)        (((x) & 0x3) << 14)
0663 #define  RG_GSWPLL_POSDIV_200M(x)   (((x) & 0x3) << 12)
0664 #define  RG_GSWPLL_EN_PRE       BIT(11)
0665 #define  RG_GSWPLL_FBKSEL       BIT(10)
0666 #define  RG_GSWPLL_BP           BIT(9)
0667 #define  RG_GSWPLL_BR           BIT(8)
0668 #define  RG_GSWPLL_FBKDIV_200M(x)   ((x) & 0xff)
0669 
0670 #define CORE_GSWPLL_GRP2        0x40e
0671 #define  RG_GSWPLL_POSDIV_500M(x)   (((x) & 0x3) << 8)
0672 #define  RG_GSWPLL_FBKDIV_500M(x)   ((x) & 0xff)
0673 
0674 #define CORE_TRGMII_GSW_CLK_CG      0x410
0675 #define  REG_GSWCK_EN           BIT(0)
0676 #define  REG_TRGMIICK_EN        BIT(1)
0677 
0678 #define MIB_DESC(_s, _o, _n)    \
0679     {           \
0680         .size = (_s),   \
0681         .offset = (_o), \
0682         .name = (_n),   \
0683     }
0684 
0685 struct mt7530_mib_desc {
0686     unsigned int size;
0687     unsigned int offset;
0688     const char *name;
0689 };
0690 
0691 struct mt7530_fdb {
0692     u16 vid;
0693     u8 port_mask;
0694     u8 aging;
0695     u8 mac[6];
0696     bool noarp;
0697 };
0698 
0699 /* struct mt7530_port - This is the main data structure for holding the state
0700  *          of the port.
0701  * @enable: The status used for show port is enabled or not.
0702  * @pm:     The matrix used to show all connections with the port.
0703  * @pvid:   The VLAN specified is to be considered a PVID at ingress.  Any
0704  *      untagged frames will be assigned to the related VLAN.
0705  * @vlan_filtering: The flags indicating whether the port that can recognize
0706  *          VLAN-tagged frames.
0707  */
0708 struct mt7530_port {
0709     bool enable;
0710     u32 pm;
0711     u16 pvid;
0712 };
0713 
0714 /* Port 5 interface select definitions */
0715 enum p5_interface_select {
0716     P5_DISABLED = 0,
0717     P5_INTF_SEL_PHY_P0,
0718     P5_INTF_SEL_PHY_P4,
0719     P5_INTF_SEL_GMAC5,
0720     P5_INTF_SEL_GMAC5_SGMII,
0721 };
0722 
0723 static const char *p5_intf_modes(unsigned int p5_interface)
0724 {
0725     switch (p5_interface) {
0726     case P5_DISABLED:
0727         return "DISABLED";
0728     case P5_INTF_SEL_PHY_P0:
0729         return "PHY P0";
0730     case P5_INTF_SEL_PHY_P4:
0731         return "PHY P4";
0732     case P5_INTF_SEL_GMAC5:
0733         return "GMAC5";
0734     case P5_INTF_SEL_GMAC5_SGMII:
0735         return "GMAC5_SGMII";
0736     default:
0737         return "unknown";
0738     }
0739 }
0740 
0741 struct mt7530_priv;
0742 
0743 struct mt753x_pcs {
0744     struct phylink_pcs pcs;
0745     struct mt7530_priv *priv;
0746     int port;
0747 };
0748 
0749 /* struct mt753x_info - This is the main data structure for holding the specific
0750  *          part for each supported device
0751  * @sw_setup:       Holding the handler to a device initialization
0752  * @phy_read:       Holding the way reading PHY port
0753  * @phy_write:      Holding the way writing PHY port
0754  * @pad_setup:      Holding the way setting up the bus pad for a certain
0755  *          MAC port
0756  * @phy_mode_supported: Check if the PHY type is being supported on a certain
0757  *          port
0758  * @mac_port_validate:  Holding the way to set addition validate type for a
0759  *          certan MAC port
0760  * @mac_port_config:    Holding the way setting up the PHY attribute to a
0761  *          certain MAC port
0762  */
0763 struct mt753x_info {
0764     enum mt753x_id id;
0765 
0766     const struct phylink_pcs_ops *pcs_ops;
0767 
0768     int (*sw_setup)(struct dsa_switch *ds);
0769     int (*phy_read)(struct mt7530_priv *priv, int port, int regnum);
0770     int (*phy_write)(struct mt7530_priv *priv, int port, int regnum, u16 val);
0771     int (*pad_setup)(struct dsa_switch *ds, phy_interface_t interface);
0772     int (*cpu_port_config)(struct dsa_switch *ds, int port);
0773     void (*mac_port_get_caps)(struct dsa_switch *ds, int port,
0774                   struct phylink_config *config);
0775     void (*mac_port_validate)(struct dsa_switch *ds, int port,
0776                   phy_interface_t interface,
0777                   unsigned long *supported);
0778     int (*mac_port_config)(struct dsa_switch *ds, int port,
0779                    unsigned int mode,
0780                    phy_interface_t interface);
0781 };
0782 
0783 /* struct mt7530_priv - This is the main data structure for holding the state
0784  *          of the driver
0785  * @dev:        The device pointer
0786  * @ds:         The pointer to the dsa core structure
0787  * @bus:        The bus used for the device and built-in PHY
0788  * @rstc:       The pointer to reset control used by MCM
0789  * @core_pwr:       The power supplied into the core
0790  * @io_pwr:     The power supplied into the I/O
0791  * @reset:      The descriptor for GPIO line tied to its reset pin
0792  * @mcm:        Flag for distinguishing if standalone IC or module
0793  *          coupling
0794  * @ports:      Holding the state among ports
0795  * @reg_mutex:      The lock for protecting among process accessing
0796  *          registers
0797  * @p6_interface    Holding the current port 6 interface
0798  * @p5_intf_sel:    Holding the current port 5 interface select
0799  *
0800  * @irq:        IRQ number of the switch
0801  * @irq_domain:     IRQ domain of the switch irq_chip
0802  * @irq_enable:     IRQ enable bits, synced to SYS_INT_EN
0803  */
0804 struct mt7530_priv {
0805     struct device       *dev;
0806     struct dsa_switch   *ds;
0807     struct mii_bus      *bus;
0808     struct reset_control    *rstc;
0809     struct regulator    *core_pwr;
0810     struct regulator    *io_pwr;
0811     struct gpio_desc    *reset;
0812     const struct mt753x_info *info;
0813     unsigned int        id;
0814     bool            mcm;
0815     phy_interface_t     p6_interface;
0816     phy_interface_t     p5_interface;
0817     unsigned int        p5_intf_sel;
0818     u8          mirror_rx;
0819     u8          mirror_tx;
0820 
0821     struct mt7530_port  ports[MT7530_NUM_PORTS];
0822     struct mt753x_pcs   pcs[MT7530_NUM_PORTS];
0823     /* protect among processes for registers access*/
0824     struct mutex reg_mutex;
0825     int irq;
0826     struct irq_domain *irq_domain;
0827     u32 irq_enable;
0828 };
0829 
0830 struct mt7530_hw_vlan_entry {
0831     int port;
0832     u8  old_members;
0833     bool untagged;
0834 };
0835 
0836 static inline void mt7530_hw_vlan_entry_init(struct mt7530_hw_vlan_entry *e,
0837                          int port, bool untagged)
0838 {
0839     e->port = port;
0840     e->untagged = untagged;
0841 }
0842 
0843 typedef void (*mt7530_vlan_op)(struct mt7530_priv *,
0844                    struct mt7530_hw_vlan_entry *);
0845 
0846 struct mt7530_hw_stats {
0847     const char  *string;
0848     u16     reg;
0849     u8      sizeof_stat;
0850 };
0851 
0852 struct mt7530_dummy_poll {
0853     struct mt7530_priv *priv;
0854     u32 reg;
0855 };
0856 
0857 static inline void INIT_MT7530_DUMMY_POLL(struct mt7530_dummy_poll *p,
0858                       struct mt7530_priv *priv, u32 reg)
0859 {
0860     p->priv = priv;
0861     p->reg = reg;
0862 }
0863 
0864 #endif /* __MT7530_H */