drivers/net/dsa/b53/b53_regs.h

   1 /*
   2  * B53 register definitions
   3  *
   4  * Copyright (C) 2004 Broadcom Corporation
   5  * Copyright (C) 2011-2013 Jonas Gorski <jogo@openwrt.org>
   6  *
   7  * Permission to use, copy, modify, and/or distribute this software for any
   8  * purpose with or without fee is hereby granted, provided that the above
   9  * copyright notice and this permission notice appear in all copies.
  10  *
  11  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
  12  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
  13  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
  14  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
  15  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
  16  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
  17  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  18  */
  19
  20 #ifndef __B53_REGS_H
  21 #define __B53_REGS_H
  22
  23 /* Management Port (SMP) Page offsets */
  24 #define B53_CTRL_PAGE                   0x00 /* Control */
  25 #define B53_STAT_PAGE                   0x01 /* Status */
  26 #define B53_MGMT_PAGE                   0x02 /* Management Mode */
  27 #define B53_MIB_AC_PAGE                 0x03 /* MIB Autocast */
  28 #define B53_ARLCTRL_PAGE                0x04 /* ARL Control */
  29 #define B53_ARLIO_PAGE                  0x05 /* ARL Access */
  30 #define B53_FRAMEBUF_PAGE               0x06 /* Management frame access */
  31 #define B53_MEM_ACCESS_PAGE             0x08 /* Memory access */
  32
  33 /* PHY Registers */
  34 #define B53_PORT_MII_PAGE(i)            (0x10 + (i)) /* Port i MII Registers */
  35 #define B53_IM_PORT_PAGE                0x18 /* Inverse MII Port (to EMAC) */
  36 #define B53_ALL_PORT_PAGE               0x19 /* All ports MII (broadcast) */
  37
  38 /* MIB registers */
  39 #define B53_MIB_PAGE(i)                 (0x20 + (i))
  40
  41 /* Quality of Service (QoS) Registers */
  42 #define B53_QOS_PAGE                    0x30
  43
  44 /* Port VLAN Page */
  45 #define B53_PVLAN_PAGE                  0x31
  46
  47 /* VLAN Registers */
  48 #define B53_VLAN_PAGE                   0x34
  49
  50 /* Jumbo Frame Registers */
  51 #define B53_JUMBO_PAGE                  0x40
  52
  53 /* CFP Configuration Registers Page */
  54 #define B53_CFP_PAGE                    0xa1
  55
  56 /*************************************************************************
  57  * Control Page registers
  58  *************************************************************************/
  59
  60 /* Port Control Register (8 bit) */
  61 #define B53_PORT_CTRL(i)                (0x00 + (i))
  62 #define   PORT_CTRL_RX_DISABLE          BIT(0)
  63 #define   PORT_CTRL_TX_DISABLE          BIT(1)
  64 #define   PORT_CTRL_RX_BCST_EN          BIT(2) /* Broadcast RX (P8 only) */
  65 #define   PORT_CTRL_RX_MCST_EN          BIT(3) /* Multicast RX (P8 only) */
  66 #define   PORT_CTRL_RX_UCST_EN          BIT(4) /* Unicast RX (P8 only) */
  67 #define   PORT_CTRL_STP_STATE_S         5
  68 #define   PORT_CTRL_NO_STP              (0 << PORT_CTRL_STP_STATE_S)
  69 #define   PORT_CTRL_DIS_STATE           (1 << PORT_CTRL_STP_STATE_S)
  70 #define   PORT_CTRL_BLOCK_STATE         (2 << PORT_CTRL_STP_STATE_S)
  71 #define   PORT_CTRL_LISTEN_STATE        (3 << PORT_CTRL_STP_STATE_S)
  72 #define   PORT_CTRL_LEARN_STATE         (4 << PORT_CTRL_STP_STATE_S)
  73 #define   PORT_CTRL_FWD_STATE           (5 << PORT_CTRL_STP_STATE_S)
  74 #define   PORT_CTRL_STP_STATE_MASK      (0x7 << PORT_CTRL_STP_STATE_S)
  75
  76 /* SMP Control Register (8 bit) */
  77 #define B53_SMP_CTRL                    0x0a
  78
  79 /* Switch Mode Control Register (8 bit) */
  80 #define B53_SWITCH_MODE                 0x0b
  81 #define   SM_SW_FWD_MODE                BIT(0)  /* 1 = Managed Mode */
  82 #define   SM_SW_FWD_EN                  BIT(1)  /* Forwarding Enable */
  83
  84 /* IMP Port state override register (8 bit) */
  85 #define B53_PORT_OVERRIDE_CTRL          0x0e
  86 #define   PORT_OVERRIDE_LINK            BIT(0)
  87 #define   PORT_OVERRIDE_FULL_DUPLEX     BIT(1) /* 0 = Half Duplex */
  88 #define   PORT_OVERRIDE_SPEED_S         2
  89 #define   PORT_OVERRIDE_SPEED_10M       (0 << PORT_OVERRIDE_SPEED_S)
  90 #define   PORT_OVERRIDE_SPEED_100M      (1 << PORT_OVERRIDE_SPEED_S)
  91 #define   PORT_OVERRIDE_SPEED_1000M     (2 << PORT_OVERRIDE_SPEED_S)
  92 #define   PORT_OVERRIDE_RV_MII_25       BIT(4) /* BCM5325 only */
  93 #define   PORT_OVERRIDE_RX_FLOW         BIT(4)
  94 #define   PORT_OVERRIDE_TX_FLOW         BIT(5)
  95 #define   PORT_OVERRIDE_SPEED_2000M     BIT(6) /* BCM5301X only, requires setting 1000M */
  96 #define   PORT_OVERRIDE_EN              BIT(7) /* Use the register contents */
  97
  98 /* Power-down mode control */
  99 #define B53_PD_MODE_CTRL_25             0x0f
 100
 101 /* IP Multicast control (8 bit) */
 102 #define B53_IP_MULTICAST_CTRL           0x21
 103 #define  B53_IPMC_FWD_EN                BIT(1)
 104 #define  B53_UC_FWD_EN                  BIT(6)
 105 #define  B53_MC_FWD_EN                  BIT(7)
 106
 107 /* (16 bit) */
 108 #define B53_UC_FLOOD_MASK               0x32
 109 #define B53_MC_FLOOD_MASK               0x34
 110 #define B53_IPMC_FLOOD_MASK             0x36
 111
 112 /*
 113  * Override Ports 0-7 State on devices with xMII interfaces (8 bit)
 114  *
 115  * For port 8 still use B53_PORT_OVERRIDE_CTRL
 116  * Please note that not all ports are available on every hardware, e.g. BCM5301X
 117  * don't include overriding port 6, BCM63xx also have some limitations.
 118  */
 119 #define B53_GMII_PORT_OVERRIDE_CTRL(i)  (0x58 + (i))
 120 #define   GMII_PO_LINK                  BIT(0)
 121 #define   GMII_PO_FULL_DUPLEX           BIT(1) /* 0 = Half Duplex */
 122 #define   GMII_PO_SPEED_S               2
 123 #define   GMII_PO_SPEED_10M             (0 << GMII_PO_SPEED_S)
 124 #define   GMII_PO_SPEED_100M            (1 << GMII_PO_SPEED_S)
 125 #define   GMII_PO_SPEED_1000M           (2 << GMII_PO_SPEED_S)
 126 #define   GMII_PO_RX_FLOW               BIT(4)
 127 #define   GMII_PO_TX_FLOW               BIT(5)
 128 #define   GMII_PO_EN                    BIT(6) /* Use the register contents */
 129 #define   GMII_PO_SPEED_2000M           BIT(7) /* BCM5301X only, requires setting 1000M */
 130
 131 #define B53_RGMII_CTRL_IMP              0x60
 132 #define   RGMII_CTRL_ENABLE_GMII        BIT(7)
 133 #define   RGMII_CTRL_TIMING_SEL         BIT(2)
 134 #define   RGMII_CTRL_DLL_RXC            BIT(1)
 135 #define   RGMII_CTRL_DLL_TXC            BIT(0)
 136
 137 #define B53_RGMII_CTRL_P(i)             (B53_RGMII_CTRL_IMP + (i))
 138
 139 /* Software reset register (8 bit) */
 140 #define B53_SOFTRESET                   0x79
 141 #define   SW_RST                        BIT(7)
 142 #define   EN_SW_RST                     BIT(4)
 143
 144 /* Fast Aging Control register (8 bit) */
 145 #define B53_FAST_AGE_CTRL               0x88
 146 #define   FAST_AGE_STATIC               BIT(0)
 147 #define   FAST_AGE_DYNAMIC              BIT(1)
 148 #define   FAST_AGE_PORT                 BIT(2)
 149 #define   FAST_AGE_VLAN                 BIT(3)
 150 #define   FAST_AGE_STP                  BIT(4)
 151 #define   FAST_AGE_MC                   BIT(5)
 152 #define   FAST_AGE_DONE                 BIT(7)
 153
 154 /* Fast Aging Port Control register (8 bit) */
 155 #define B53_FAST_AGE_PORT_CTRL          0x89
 156
 157 /* Fast Aging VID Control register (16 bit) */
 158 #define B53_FAST_AGE_VID_CTRL           0x8a
 159
 160 /*************************************************************************
 161  * Status Page registers
 162  *************************************************************************/
 163
 164 /* Link Status Summary Register (16bit) */
 165 #define B53_LINK_STAT                   0x00
 166
 167 /* Link Status Change Register (16 bit) */
 168 #define B53_LINK_STAT_CHANGE            0x02
 169
 170 /* Port Speed Summary Register (16 bit for FE, 32 bit for GE) */
 171 #define B53_SPEED_STAT                  0x04
 172 #define  SPEED_PORT_FE(reg, port)       (((reg) >> (port)) & 1)
 173 #define  SPEED_PORT_GE(reg, port)       (((reg) >> 2 * (port)) & 3)
 174 #define  SPEED_STAT_10M                 0
 175 #define  SPEED_STAT_100M                1
 176 #define  SPEED_STAT_1000M               2
 177
 178 /* Duplex Status Summary (16 bit) */
 179 #define B53_DUPLEX_STAT_FE              0x06
 180 #define B53_DUPLEX_STAT_GE              0x08
 181 #define B53_DUPLEX_STAT_63XX            0x0c
 182
 183 /* Revision ID register for BCM5325 */
 184 #define B53_REV_ID_25                   0x50
 185
 186 /* Strap Value (48 bit) */
 187 #define B53_STRAP_VALUE                 0x70
 188 #define   SV_GMII_CTRL_115              BIT(27)
 189
 190 /*************************************************************************
 191  * Management Mode Page Registers
 192  *************************************************************************/
 193
 194 /* Global Management Config Register (8 bit) */
 195 #define B53_GLOBAL_CONFIG               0x00
 196 #define   GC_RESET_MIB                  0x01
 197 #define   GC_RX_BPDU_EN                 0x02
 198 #define   GC_MIB_AC_HDR_EN              0x10
 199 #define   GC_MIB_AC_EN                  0x20
 200 #define   GC_FRM_MGMT_PORT_M            0xC0
 201 #define   GC_FRM_MGMT_PORT_04           0x00
 202 #define   GC_FRM_MGMT_PORT_MII          0x80
 203
 204 /* Broadcom Header control register (8 bit) */
 205 #define B53_BRCM_HDR                    0x03
 206 #define   BRCM_HDR_P8_EN                BIT(0) /* Enable tagging on port 8 */
 207 #define   BRCM_HDR_P5_EN                BIT(1) /* Enable tagging on port 5 */
 208
 209 /* Device ID register (8 or 32 bit) */
 210 #define B53_DEVICE_ID                   0x30
 211
 212 /* Revision ID register (8 bit) */
 213 #define B53_REV_ID                      0x40
 214
 215 /*************************************************************************
 216  * ARL Access Page Registers
 217  *************************************************************************/
 218
 219 /* VLAN Table Access Register (8 bit) */
 220 #define B53_VT_ACCESS                   0x80
 221 #define B53_VT_ACCESS_9798              0x60 /* for BCM5397/BCM5398 */
 222 #define B53_VT_ACCESS_63XX              0x60 /* for BCM6328/62/68 */
 223 #define   VTA_CMD_WRITE                 0
 224 #define   VTA_CMD_READ                  1
 225 #define   VTA_CMD_CLEAR                 2
 226 #define   VTA_START_CMD                 BIT(7)
 227
 228 /* VLAN Table Index Register (16 bit) */
 229 #define B53_VT_INDEX                    0x81
 230 #define B53_VT_INDEX_9798               0x61
 231 #define B53_VT_INDEX_63XX               0x62
 232
 233 /* VLAN Table Entry Register (32 bit) */
 234 #define B53_VT_ENTRY                    0x83
 235 #define B53_VT_ENTRY_9798               0x63
 236 #define B53_VT_ENTRY_63XX               0x64
 237 #define   VTE_MEMBERS                   0x1ff
 238 #define   VTE_UNTAG_S                   9
 239 #define   VTE_UNTAG                     (0x1ff << 9)
 240
 241 /*************************************************************************
 242  * ARL I/O Registers
 243  *************************************************************************/
 244
 245 /* ARL Table Read/Write Register (8 bit) */
 246 #define B53_ARLTBL_RW_CTRL              0x00
 247 #define    ARLTBL_RW                    BIT(0)
 248 #define    ARLTBL_START_DONE            BIT(7)
 249
 250 /* MAC Address Index Register (48 bit) */
 251 #define B53_MAC_ADDR_IDX                0x02
 252
 253 /* VLAN ID Index Register (16 bit) */
 254 #define B53_VLAN_ID_IDX                 0x08
 255
 256 /* ARL Table MAC/VID Entry N Registers (64 bit)
 257  *
 258  * BCM5325 and BCM5365 share most definitions below
 259  */
 260 #define B53_ARLTBL_MAC_VID_ENTRY(n)     (0x10 * (n))
 261 #define   ARLTBL_MAC_MASK               0xffffffffffffULL
 262 #define   ARLTBL_VID_S                  48
 263 #define   ARLTBL_VID_MASK_25            0xff
 264 #define   ARLTBL_VID_MASK               0xfff
 265 #define   ARLTBL_DATA_PORT_ID_S_25      48
 266 #define   ARLTBL_DATA_PORT_ID_MASK_25   0xf
 267 #define   ARLTBL_AGE_25                 BIT(61)
 268 #define   ARLTBL_STATIC_25              BIT(62)
 269 #define   ARLTBL_VALID_25               BIT(63)
 270
 271 /* ARL Table Data Entry N Registers (32 bit) */
 272 #define B53_ARLTBL_DATA_ENTRY(n)        ((0x10 * (n)) + 0x08)
 273 #define   ARLTBL_DATA_PORT_ID_MASK      0x1ff
 274 #define   ARLTBL_TC(tc)                 ((3 & tc) << 11)
 275 #define   ARLTBL_AGE                    BIT(14)
 276 #define   ARLTBL_STATIC                 BIT(15)
 277 #define   ARLTBL_VALID                  BIT(16)
 278
 279 /* ARL Search Control Register (8 bit) */
 280 #define B53_ARL_SRCH_CTL                0x50
 281 #define B53_ARL_SRCH_CTL_25             0x20
 282 #define   ARL_SRCH_VLID                 BIT(0)
 283 #define   ARL_SRCH_STDN                 BIT(7)
 284
 285 /* ARL Search Address Register (16 bit) */
 286 #define B53_ARL_SRCH_ADDR               0x51
 287 #define B53_ARL_SRCH_ADDR_25            0x22
 288 #define B53_ARL_SRCH_ADDR_65            0x24
 289 #define  ARL_ADDR_MASK                  GENMASK(14, 0)
 290
 291 /* ARL Search MAC/VID Result (64 bit) */
 292 #define B53_ARL_SRCH_RSTL_0_MACVID      0x60
 293
 294 /* Single register search result on 5325 */
 295 #define B53_ARL_SRCH_RSTL_0_MACVID_25   0x24
 296 /* Single register search result on 5365 */
 297 #define B53_ARL_SRCH_RSTL_0_MACVID_65   0x30
 298
 299 /* ARL Search Data Result (32 bit) */
 300 #define B53_ARL_SRCH_RSTL_0             0x68
 301
 302 #define B53_ARL_SRCH_RSTL_MACVID(x)     (B53_ARL_SRCH_RSTL_0_MACVID + ((x) * 0x10))
 303 #define B53_ARL_SRCH_RSTL(x)            (B53_ARL_SRCH_RSTL_0 + ((x) * 0x10))
 304
 305 /*************************************************************************
 306  * Port VLAN Registers
 307  *************************************************************************/
 308
 309 /* Port VLAN mask (16 bit) IMP port is always 8, also on 5325 & co */
 310 #define B53_PVLAN_PORT_MASK(i)          ((i) * 2)
 311
 312 /* Join all VLANs register (16 bit) */
 313 #define B53_JOIN_ALL_VLAN_EN            0x50
 314
 315 /*************************************************************************
 316  * 802.1Q Page Registers
 317  *************************************************************************/
 318
 319 /* Global QoS Control (8 bit) */
 320 #define B53_QOS_GLOBAL_CTL              0x00
 321
 322 /* Enable 802.1Q for individual Ports (16 bit) */
 323 #define B53_802_1P_EN                   0x04
 324
 325 /*************************************************************************
 326  * VLAN Page Registers
 327  *************************************************************************/
 328
 329 /* VLAN Control 0 (8 bit) */
 330 #define B53_VLAN_CTRL0                  0x00
 331 #define   VC0_8021PF_CTRL_MASK          0x3
 332 #define   VC0_8021PF_CTRL_NONE          0x0
 333 #define   VC0_8021PF_CTRL_CHANGE_PRI    0x1
 334 #define   VC0_8021PF_CTRL_CHANGE_VID    0x2
 335 #define   VC0_8021PF_CTRL_CHANGE_BOTH   0x3
 336 #define   VC0_8021QF_CTRL_MASK          0xc
 337 #define   VC0_8021QF_CTRL_CHANGE_PRI    0x1
 338 #define   VC0_8021QF_CTRL_CHANGE_VID    0x2
 339 #define   VC0_8021QF_CTRL_CHANGE_BOTH   0x3
 340 #define   VC0_RESERVED_1                BIT(1)
 341 #define   VC0_DROP_VID_MISS             BIT(4)
 342 #define   VC0_VID_HASH_VID              BIT(5)
 343 #define   VC0_VID_CHK_EN                BIT(6)  /* Use VID,DA or VID,SA */
 344 #define   VC0_VLAN_EN                   BIT(7)  /* 802.1Q VLAN Enabled */
 345
 346 /* VLAN Control 1 (8 bit) */
 347 #define B53_VLAN_CTRL1                  0x01
 348 #define   VC1_RX_MCST_TAG_EN            BIT(1)
 349 #define   VC1_RX_MCST_FWD_EN            BIT(2)
 350 #define   VC1_RX_MCST_UNTAG_EN          BIT(3)
 351
 352 /* VLAN Control 2 (8 bit) */
 353 #define B53_VLAN_CTRL2                  0x02
 354
 355 /* VLAN Control 3 (8 bit when BCM5325, 16 bit else) */
 356 #define B53_VLAN_CTRL3                  0x03
 357 #define B53_VLAN_CTRL3_63XX             0x04
 358 #define   VC3_MAXSIZE_1532              BIT(6) /* 5325 only */
 359 #define   VC3_HIGH_8BIT_EN              BIT(7) /* 5325 only */
 360
 361 /* VLAN Control 4 (8 bit) */
 362 #define B53_VLAN_CTRL4                  0x05
 363 #define B53_VLAN_CTRL4_25               0x04
 364 #define B53_VLAN_CTRL4_63XX             0x06
 365 #define   VC4_ING_VID_CHECK_S           6
 366 #define   VC4_ING_VID_CHECK_MASK        (0x3 << VC4_ING_VID_CHECK_S)
 367 #define   VC4_ING_VID_VIO_FWD           0 /* forward, but do not learn */
 368 #define   VC4_ING_VID_VIO_DROP          1 /* drop VID violations */
 369 #define   VC4_NO_ING_VID_CHK            2 /* do not check */
 370 #define   VC4_ING_VID_VIO_TO_IMP        3 /* redirect to MII port */
 371
 372 /* VLAN Control 5 (8 bit) */
 373 #define B53_VLAN_CTRL5                  0x06
 374 #define B53_VLAN_CTRL5_25               0x05
 375 #define B53_VLAN_CTRL5_63XX             0x07
 376 #define   VC5_VID_FFF_EN                BIT(2)
 377 #define   VC5_DROP_VTABLE_MISS          BIT(3)
 378
 379 /* VLAN Control 6 (8 bit) */
 380 #define B53_VLAN_CTRL6                  0x07
 381 #define B53_VLAN_CTRL6_63XX             0x08
 382
 383 /* VLAN Table Access Register (16 bit) */
 384 #define B53_VLAN_TABLE_ACCESS_25        0x06    /* BCM5325E/5350 */
 385 #define B53_VLAN_TABLE_ACCESS_65        0x08    /* BCM5365 */
 386 #define   VTA_VID_LOW_MASK_25           0xf
 387 #define   VTA_VID_LOW_MASK_65           0xff
 388 #define   VTA_VID_HIGH_S_25             4
 389 #define   VTA_VID_HIGH_S_65             8
 390 #define   VTA_VID_HIGH_MASK_25          (0xff << VTA_VID_HIGH_S_25E)
 391 #define   VTA_VID_HIGH_MASK_65          (0xf << VTA_VID_HIGH_S_65)
 392 #define   VTA_RW_STATE                  BIT(12)
 393 #define   VTA_RW_STATE_RD               0
 394 #define   VTA_RW_STATE_WR               BIT(12)
 395 #define   VTA_RW_OP_EN                  BIT(13)
 396
 397 /* VLAN Read/Write Registers for (16/32 bit) */
 398 #define B53_VLAN_WRITE_25               0x08
 399 #define B53_VLAN_WRITE_65               0x0a
 400 #define B53_VLAN_READ                   0x0c
 401 #define   VA_MEMBER_MASK                0x3f
 402 #define   VA_UNTAG_S_25                 6
 403 #define   VA_UNTAG_MASK_25              0x3f
 404 #define   VA_UNTAG_S_65                 7
 405 #define   VA_UNTAG_MASK_65              0x1f
 406 #define   VA_VID_HIGH_S                 12
 407 #define   VA_VID_HIGH_MASK              (0xffff << VA_VID_HIGH_S)
 408 #define   VA_VALID_25                   BIT(20)
 409 #define   VA_VALID_25_R4                BIT(24)
 410 #define   VA_VALID_65                   BIT(14)
 411
 412 /* VLAN Port Default Tag (16 bit) */
 413 #define B53_VLAN_PORT_DEF_TAG(i)        (0x10 + 2 * (i))
 414
 415 /*************************************************************************
 416  * Jumbo Frame Page Registers
 417  *************************************************************************/
 418
 419 /* Jumbo Enable Port Mask (bit i == port i enabled) (32 bit) */
 420 #define B53_JUMBO_PORT_MASK             0x01
 421 #define B53_JUMBO_PORT_MASK_63XX        0x04
 422 #define   JPM_10_100_JUMBO_EN           BIT(24) /* GigE always enabled */
 423
 424 /* Good Frame Max Size without 802.1Q TAG (16 bit) */
 425 #define B53_JUMBO_MAX_SIZE              0x05
 426 #define B53_JUMBO_MAX_SIZE_63XX         0x08
 427 #define   JMS_MIN_SIZE                  1518
 428 #define   JMS_MAX_SIZE                  9724
 429
 430 /*************************************************************************
 431  * CFP Configuration Page Registers
 432  *************************************************************************/
 433
 434 /* CFP Control Register with ports map (8 bit) */
 435 #define B53_CFP_CTRL                    0x00
 436
 437 #endif /* !__B53_REGS_H */