linux/drivers/net/ethernet/smsc/smsc911x.h
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   1/* SPDX-License-Identifier: GPL-2.0-or-later */
   2/***************************************************************************
   3 *
   4 * Copyright (C) 2004-2008 SMSC
   5 * Copyright (C) 2005-2008 ARM
   6 *
   7 ***************************************************************************/
   8#ifndef __SMSC911X_H__
   9#define __SMSC911X_H__
  10
  11/*Chip ID*/
  12#define LAN9115 0x01150000
  13#define LAN9116 0x01160000
  14#define LAN9117 0x01170000
  15#define LAN9118 0x01180000
  16#define LAN9215 0x115A0000
  17#define LAN9216 0x116A0000
  18#define LAN9217 0x117A0000
  19#define LAN9218 0x118A0000
  20#define LAN9210 0x92100000
  21#define LAN9211 0x92110000
  22#define LAN9220 0x92200000
  23#define LAN9221 0x92210000
  24#define LAN9250 0x92500000
  25#define LAN89218        0x218A0000
  26
  27#define TX_FIFO_LOW_THRESHOLD   ((u32)1600)
  28#define SMSC911X_EEPROM_SIZE    ((u32)128)
  29#define USE_DEBUG               0
  30
  31/* This is the maximum number of packets to be received every
  32 * NAPI poll */
  33#define SMSC_NAPI_WEIGHT        16
  34
  35/* implements a PHY loopback test at initialisation time, to ensure a packet
  36 * can be successfully looped back */
  37#define USE_PHY_WORK_AROUND
  38
  39#if USE_DEBUG >= 1
  40#define SMSC_WARN(pdata, nlevel, fmt, args...)                  \
  41        netif_warn(pdata, nlevel, (pdata)->dev,                 \
  42                   "%s: " fmt "\n", __func__, ##args)
  43#else
  44#define SMSC_WARN(pdata, nlevel, fmt, args...)                  \
  45        no_printk(fmt "\n", ##args)
  46#endif
  47
  48#if USE_DEBUG >= 2
  49#define SMSC_TRACE(pdata, nlevel, fmt, args...)                 \
  50        netif_info(pdata, nlevel, pdata->dev, fmt "\n", ##args)
  51#else
  52#define SMSC_TRACE(pdata, nlevel, fmt, args...)                 \
  53        no_printk(fmt "\n", ##args)
  54#endif
  55
  56#ifdef CONFIG_DEBUG_SPINLOCK
  57#define SMSC_ASSERT_MAC_LOCK(pdata) \
  58                lockdep_assert_held(&pdata->mac_lock)
  59#else
  60#define SMSC_ASSERT_MAC_LOCK(pdata) do {} while (0)
  61#endif                          /* CONFIG_DEBUG_SPINLOCK */
  62
  63/* SMSC911x registers and bitfields */
  64#define RX_DATA_FIFO                    0x00
  65
  66#define TX_DATA_FIFO                    0x20
  67#define TX_CMD_A_ON_COMP_               0x80000000
  68#define TX_CMD_A_BUF_END_ALGN_          0x03000000
  69#define TX_CMD_A_4_BYTE_ALGN_           0x00000000
  70#define TX_CMD_A_16_BYTE_ALGN_          0x01000000
  71#define TX_CMD_A_32_BYTE_ALGN_          0x02000000
  72#define TX_CMD_A_DATA_OFFSET_           0x001F0000
  73#define TX_CMD_A_FIRST_SEG_             0x00002000
  74#define TX_CMD_A_LAST_SEG_              0x00001000
  75#define TX_CMD_A_BUF_SIZE_              0x000007FF
  76#define TX_CMD_B_PKT_TAG_               0xFFFF0000
  77#define TX_CMD_B_ADD_CRC_DISABLE_       0x00002000
  78#define TX_CMD_B_DISABLE_PADDING_       0x00001000
  79#define TX_CMD_B_PKT_BYTE_LENGTH_       0x000007FF
  80
  81#define RX_STATUS_FIFO                  0x40
  82#define RX_STS_ES_                      0x00008000
  83#define RX_STS_LENGTH_ERR_              0x00001000
  84#define RX_STS_MCAST_                   0x00000400
  85#define RX_STS_FRAME_TYPE_              0x00000020
  86#define RX_STS_CRC_ERR_                 0x00000002
  87
  88#define RX_STATUS_FIFO_PEEK             0x44
  89
  90#define TX_STATUS_FIFO                  0x48
  91#define TX_STS_ES_                      0x00008000
  92#define TX_STS_LOST_CARRIER_            0x00000800
  93#define TX_STS_NO_CARRIER_              0x00000400
  94#define TX_STS_LATE_COL_                0x00000200
  95#define TX_STS_EXCESS_COL_              0x00000100
  96
  97#define TX_STATUS_FIFO_PEEK             0x4C
  98
  99#define ID_REV                          0x50
 100#define ID_REV_CHIP_ID_                 0xFFFF0000
 101#define ID_REV_REV_ID_                  0x0000FFFF
 102
 103#define INT_CFG                         0x54
 104#define INT_CFG_INT_DEAS_               0xFF000000
 105#define INT_CFG_INT_DEAS_CLR_           0x00004000
 106#define INT_CFG_INT_DEAS_STS_           0x00002000
 107#define INT_CFG_IRQ_INT_                0x00001000
 108#define INT_CFG_IRQ_EN_                 0x00000100
 109#define INT_CFG_IRQ_POL_                0x00000010
 110#define INT_CFG_IRQ_TYPE_               0x00000001
 111
 112#define INT_STS                         0x58
 113#define INT_STS_SW_INT_                 0x80000000
 114#define INT_STS_TXSTOP_INT_             0x02000000
 115#define INT_STS_RXSTOP_INT_             0x01000000
 116#define INT_STS_RXDFH_INT_              0x00800000
 117#define INT_STS_RXDF_INT_               0x00400000
 118#define INT_STS_TX_IOC_                 0x00200000
 119#define INT_STS_RXD_INT_                0x00100000
 120#define INT_STS_GPT_INT_                0x00080000
 121#define INT_STS_PHY_INT_                0x00040000
 122#define INT_STS_PME_INT_                0x00020000
 123#define INT_STS_TXSO_                   0x00010000
 124#define INT_STS_RWT_                    0x00008000
 125#define INT_STS_RXE_                    0x00004000
 126#define INT_STS_TXE_                    0x00002000
 127#define INT_STS_TDFU_                   0x00000800
 128#define INT_STS_TDFO_                   0x00000400
 129#define INT_STS_TDFA_                   0x00000200
 130#define INT_STS_TSFF_                   0x00000100
 131#define INT_STS_TSFL_                   0x00000080
 132#define INT_STS_RXDF_                   0x00000040
 133#define INT_STS_RDFL_                   0x00000020
 134#define INT_STS_RSFF_                   0x00000010
 135#define INT_STS_RSFL_                   0x00000008
 136#define INT_STS_GPIO2_INT_              0x00000004
 137#define INT_STS_GPIO1_INT_              0x00000002
 138#define INT_STS_GPIO0_INT_              0x00000001
 139
 140#define INT_EN                          0x5C
 141#define INT_EN_SW_INT_EN_               0x80000000
 142#define INT_EN_TXSTOP_INT_EN_           0x02000000
 143#define INT_EN_RXSTOP_INT_EN_           0x01000000
 144#define INT_EN_RXDFH_INT_EN_            0x00800000
 145#define INT_EN_TIOC_INT_EN_             0x00200000
 146#define INT_EN_RXD_INT_EN_              0x00100000
 147#define INT_EN_GPT_INT_EN_              0x00080000
 148#define INT_EN_PHY_INT_EN_              0x00040000
 149#define INT_EN_PME_INT_EN_              0x00020000
 150#define INT_EN_TXSO_EN_                 0x00010000
 151#define INT_EN_RWT_EN_                  0x00008000
 152#define INT_EN_RXE_EN_                  0x00004000
 153#define INT_EN_TXE_EN_                  0x00002000
 154#define INT_EN_TDFU_EN_                 0x00000800
 155#define INT_EN_TDFO_EN_                 0x00000400
 156#define INT_EN_TDFA_EN_                 0x00000200
 157#define INT_EN_TSFF_EN_                 0x00000100
 158#define INT_EN_TSFL_EN_                 0x00000080
 159#define INT_EN_RXDF_EN_                 0x00000040
 160#define INT_EN_RDFL_EN_                 0x00000020
 161#define INT_EN_RSFF_EN_                 0x00000010
 162#define INT_EN_RSFL_EN_                 0x00000008
 163#define INT_EN_GPIO2_INT_               0x00000004
 164#define INT_EN_GPIO1_INT_               0x00000002
 165#define INT_EN_GPIO0_INT_               0x00000001
 166
 167#define BYTE_TEST                       0x64
 168
 169#define FIFO_INT                        0x68
 170#define FIFO_INT_TX_AVAIL_LEVEL_        0xFF000000
 171#define FIFO_INT_TX_STS_LEVEL_          0x00FF0000
 172#define FIFO_INT_RX_AVAIL_LEVEL_        0x0000FF00
 173#define FIFO_INT_RX_STS_LEVEL_          0x000000FF
 174
 175#define RX_CFG                          0x6C
 176#define RX_CFG_RX_END_ALGN_             0xC0000000
 177#define RX_CFG_RX_END_ALGN4_            0x00000000
 178#define RX_CFG_RX_END_ALGN16_           0x40000000
 179#define RX_CFG_RX_END_ALGN32_           0x80000000
 180#define RX_CFG_RX_DMA_CNT_              0x0FFF0000
 181#define RX_CFG_RX_DUMP_                 0x00008000
 182#define RX_CFG_RXDOFF_                  0x00001F00
 183
 184#define TX_CFG                          0x70
 185#define TX_CFG_TXS_DUMP_                0x00008000
 186#define TX_CFG_TXD_DUMP_                0x00004000
 187#define TX_CFG_TXSAO_                   0x00000004
 188#define TX_CFG_TX_ON_                   0x00000002
 189#define TX_CFG_STOP_TX_                 0x00000001
 190
 191#define HW_CFG                          0x74
 192#define HW_CFG_TTM_                     0x00200000
 193#define HW_CFG_SF_                      0x00100000
 194#define HW_CFG_TX_FIF_SZ_               0x000F0000
 195#define HW_CFG_TR_                      0x00003000
 196#define HW_CFG_SRST_                    0x00000001
 197
 198/* only available on 115/117 */
 199#define HW_CFG_PHY_CLK_SEL_             0x00000060
 200#define HW_CFG_PHY_CLK_SEL_INT_PHY_     0x00000000
 201#define HW_CFG_PHY_CLK_SEL_EXT_PHY_     0x00000020
 202#define HW_CFG_PHY_CLK_SEL_CLK_DIS_     0x00000040
 203#define HW_CFG_SMI_SEL_                 0x00000010
 204#define HW_CFG_EXT_PHY_DET_             0x00000008
 205#define HW_CFG_EXT_PHY_EN_              0x00000004
 206#define HW_CFG_SRST_TO_                 0x00000002
 207
 208/* only available  on 116/118 */
 209#define HW_CFG_32_16_BIT_MODE_          0x00000004
 210
 211#define RX_DP_CTRL                      0x78
 212#define RX_DP_CTRL_RX_FFWD_             0x80000000
 213
 214#define RX_FIFO_INF                     0x7C
 215#define RX_FIFO_INF_RXSUSED_            0x00FF0000
 216#define RX_FIFO_INF_RXDUSED_            0x0000FFFF
 217
 218#define TX_FIFO_INF                     0x80
 219#define TX_FIFO_INF_TSUSED_             0x00FF0000
 220#define TX_FIFO_INF_TDFREE_             0x0000FFFF
 221
 222#define PMT_CTRL                        0x84
 223#define PMT_CTRL_PM_MODE_               0x00003000
 224#define PMT_CTRL_PM_MODE_D0_            0x00000000
 225#define PMT_CTRL_PM_MODE_D1_            0x00001000
 226#define PMT_CTRL_PM_MODE_D2_            0x00002000
 227#define PMT_CTRL_PM_MODE_D3_            0x00003000
 228#define PMT_CTRL_PHY_RST_               0x00000400
 229#define PMT_CTRL_WOL_EN_                0x00000200
 230#define PMT_CTRL_ED_EN_                 0x00000100
 231#define PMT_CTRL_PME_TYPE_              0x00000040
 232#define PMT_CTRL_WUPS_                  0x00000030
 233#define PMT_CTRL_WUPS_NOWAKE_           0x00000000
 234#define PMT_CTRL_WUPS_ED_               0x00000010
 235#define PMT_CTRL_WUPS_WOL_              0x00000020
 236#define PMT_CTRL_WUPS_MULTI_            0x00000030
 237#define PMT_CTRL_PME_IND_               0x00000008
 238#define PMT_CTRL_PME_POL_               0x00000004
 239#define PMT_CTRL_PME_EN_                0x00000002
 240#define PMT_CTRL_READY_                 0x00000001
 241
 242#define GPIO_CFG                        0x88
 243#define GPIO_CFG_LED3_EN_               0x40000000
 244#define GPIO_CFG_LED2_EN_               0x20000000
 245#define GPIO_CFG_LED1_EN_               0x10000000
 246#define GPIO_CFG_GPIO2_INT_POL_         0x04000000
 247#define GPIO_CFG_GPIO1_INT_POL_         0x02000000
 248#define GPIO_CFG_GPIO0_INT_POL_         0x01000000
 249#define GPIO_CFG_EEPR_EN_               0x00700000
 250#define GPIO_CFG_GPIOBUF2_              0x00040000
 251#define GPIO_CFG_GPIOBUF1_              0x00020000
 252#define GPIO_CFG_GPIOBUF0_              0x00010000
 253#define GPIO_CFG_GPIODIR2_              0x00000400
 254#define GPIO_CFG_GPIODIR1_              0x00000200
 255#define GPIO_CFG_GPIODIR0_              0x00000100
 256#define GPIO_CFG_GPIOD4_                0x00000020
 257#define GPIO_CFG_GPIOD3_                0x00000010
 258#define GPIO_CFG_GPIOD2_                0x00000004
 259#define GPIO_CFG_GPIOD1_                0x00000002
 260#define GPIO_CFG_GPIOD0_                0x00000001
 261
 262#define GPT_CFG                         0x8C
 263#define GPT_CFG_TIMER_EN_               0x20000000
 264#define GPT_CFG_GPT_LOAD_               0x0000FFFF
 265
 266#define GPT_CNT                         0x90
 267#define GPT_CNT_GPT_CNT_                0x0000FFFF
 268
 269#define WORD_SWAP                       0x98
 270
 271#define FREE_RUN                        0x9C
 272
 273#define RX_DROP                         0xA0
 274
 275#define MAC_CSR_CMD                     0xA4
 276#define MAC_CSR_CMD_CSR_BUSY_           0x80000000
 277#define MAC_CSR_CMD_R_NOT_W_            0x40000000
 278#define MAC_CSR_CMD_CSR_ADDR_           0x000000FF
 279
 280#define MAC_CSR_DATA                    0xA8
 281
 282#define AFC_CFG                         0xAC
 283#define AFC_CFG_AFC_HI_                 0x00FF0000
 284#define AFC_CFG_AFC_LO_                 0x0000FF00
 285#define AFC_CFG_BACK_DUR_               0x000000F0
 286#define AFC_CFG_FCMULT_                 0x00000008
 287#define AFC_CFG_FCBRD_                  0x00000004
 288#define AFC_CFG_FCADD_                  0x00000002
 289#define AFC_CFG_FCANY_                  0x00000001
 290
 291#define E2P_CMD                         0xB0
 292#define E2P_CMD_EPC_BUSY_               0x80000000
 293#define E2P_CMD_EPC_CMD_                0x70000000
 294#define E2P_CMD_EPC_CMD_READ_           0x00000000
 295#define E2P_CMD_EPC_CMD_EWDS_           0x10000000
 296#define E2P_CMD_EPC_CMD_EWEN_           0x20000000
 297#define E2P_CMD_EPC_CMD_WRITE_          0x30000000
 298#define E2P_CMD_EPC_CMD_WRAL_           0x40000000
 299#define E2P_CMD_EPC_CMD_ERASE_          0x50000000
 300#define E2P_CMD_EPC_CMD_ERAL_           0x60000000
 301#define E2P_CMD_EPC_CMD_RELOAD_         0x70000000
 302#define E2P_CMD_EPC_TIMEOUT_            0x00000200
 303#define E2P_CMD_MAC_ADDR_LOADED_        0x00000100
 304#define E2P_CMD_EPC_ADDR_               0x000000FF
 305
 306#define E2P_DATA                        0xB4
 307#define E2P_DATA_EEPROM_DATA_           0x000000FF
 308#define LAN_REGISTER_EXTENT             0x00000100
 309
 310#define RESET_CTL                       0x1F8
 311#define RESET_CTL_DIGITAL_RST_          0x00000001
 312
 313/*
 314 * MAC Control and Status Register (Indirect Address)
 315 * Offset (through the MAC_CSR CMD and DATA port)
 316 */
 317#define MAC_CR                          0x01
 318#define MAC_CR_RXALL_                   0x80000000
 319#define MAC_CR_HBDIS_                   0x10000000
 320#define MAC_CR_RCVOWN_                  0x00800000
 321#define MAC_CR_LOOPBK_                  0x00200000
 322#define MAC_CR_FDPX_                    0x00100000
 323#define MAC_CR_MCPAS_                   0x00080000
 324#define MAC_CR_PRMS_                    0x00040000
 325#define MAC_CR_INVFILT_                 0x00020000
 326#define MAC_CR_PASSBAD_                 0x00010000
 327#define MAC_CR_HFILT_                   0x00008000
 328#define MAC_CR_HPFILT_                  0x00002000
 329#define MAC_CR_LCOLL_                   0x00001000
 330#define MAC_CR_BCAST_                   0x00000800
 331#define MAC_CR_DISRTY_                  0x00000400
 332#define MAC_CR_PADSTR_                  0x00000100
 333#define MAC_CR_BOLMT_MASK_              0x000000C0
 334#define MAC_CR_DFCHK_                   0x00000020
 335#define MAC_CR_TXEN_                    0x00000008
 336#define MAC_CR_RXEN_                    0x00000004
 337
 338#define ADDRH                           0x02
 339
 340#define ADDRL                           0x03
 341
 342#define HASHH                           0x04
 343
 344#define HASHL                           0x05
 345
 346#define MII_ACC                         0x06
 347#define MII_ACC_PHY_ADDR_               0x0000F800
 348#define MII_ACC_MIIRINDA_               0x000007C0
 349#define MII_ACC_MII_WRITE_              0x00000002
 350#define MII_ACC_MII_BUSY_               0x00000001
 351
 352#define MII_DATA                        0x07
 353
 354#define FLOW                            0x08
 355#define FLOW_FCPT_                      0xFFFF0000
 356#define FLOW_FCPASS_                    0x00000004
 357#define FLOW_FCEN_                      0x00000002
 358#define FLOW_FCBSY_                     0x00000001
 359
 360#define VLAN1                           0x09
 361
 362#define VLAN2                           0x0A
 363
 364#define WUFF                            0x0B
 365
 366#define WUCSR                           0x0C
 367#define WUCSR_GUE_                      0x00000200
 368#define WUCSR_WUFR_                     0x00000040
 369#define WUCSR_MPR_                      0x00000020
 370#define WUCSR_WAKE_EN_                  0x00000004
 371#define WUCSR_MPEN_                     0x00000002
 372
 373/*
 374 * Phy definitions (vendor-specific)
 375 */
 376#define LAN9118_PHY_ID                  0x00C0001C
 377
 378#define MII_INTSTS                      0x1D
 379
 380#define MII_INTMSK                      0x1E
 381#define PHY_INTMSK_AN_RCV_              (1 << 1)
 382#define PHY_INTMSK_PDFAULT_             (1 << 2)
 383#define PHY_INTMSK_AN_ACK_              (1 << 3)
 384#define PHY_INTMSK_LNKDOWN_             (1 << 4)
 385#define PHY_INTMSK_RFAULT_              (1 << 5)
 386#define PHY_INTMSK_AN_COMP_             (1 << 6)
 387#define PHY_INTMSK_ENERGYON_            (1 << 7)
 388#define PHY_INTMSK_DEFAULT_             (PHY_INTMSK_ENERGYON_ | \
 389                                         PHY_INTMSK_AN_COMP_ | \
 390                                         PHY_INTMSK_RFAULT_ | \
 391                                         PHY_INTMSK_LNKDOWN_)
 392
 393#define ADVERTISE_PAUSE_ALL             (ADVERTISE_PAUSE_CAP | \
 394                                         ADVERTISE_PAUSE_ASYM)
 395
 396#define LPA_PAUSE_ALL                   (LPA_PAUSE_CAP | \
 397                                         LPA_PAUSE_ASYM)
 398
 399/*
 400 * Provide hooks to let the arch add to the initialisation procedure
 401 * and to override the source of the MAC address.
 402 */
 403#define SMSC_INITIALIZE()               do {} while (0)
 404#define smsc_get_mac(dev)               smsc911x_read_mac_address((dev))
 405
 406#ifdef CONFIG_SMSC911X_ARCH_HOOKS
 407#include <asm/smsc911x.h>
 408#endif
 409
 410#include <linux/smscphy.h>
 411
 412#endif                          /* __SMSC911X_H__ */
 413