linux/drivers/net/dsa/b53/b53_regs.h
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   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 */
 438