drivers/net/ethernet/freescale/fs_enet/fec.h

   1 /* SPDX-License-Identifier: GPL-2.0 */
   2 #ifndef FS_ENET_FEC_H
   3 #define FS_ENET_FEC_H
   4
   5 /* CRC polynomium used by the FEC for the multicast group filtering */
   6 #define FEC_CRC_POLY   0x04C11DB7
   7
   8 #define FEC_MAX_MULTICAST_ADDRS 64
   9
  10 /* Interrupt events/masks.
  11 */
  12 #define FEC_ENET_HBERR  0x80000000U     /* Heartbeat error          */
  13 #define FEC_ENET_BABR   0x40000000U     /* Babbling receiver        */
  14 #define FEC_ENET_BABT   0x20000000U     /* Babbling transmitter     */
  15 #define FEC_ENET_GRA    0x10000000U     /* Graceful stop complete   */
  16 #define FEC_ENET_TXF    0x08000000U     /* Full frame transmitted   */
  17 #define FEC_ENET_TXB    0x04000000U     /* A buffer was transmitted */
  18 #define FEC_ENET_RXF    0x02000000U     /* Full frame received      */
  19 #define FEC_ENET_RXB    0x01000000U     /* A buffer was received    */
  20 #define FEC_ENET_MII    0x00800000U     /* MII interrupt            */
  21 #define FEC_ENET_EBERR  0x00400000U     /* SDMA bus error           */
  22
  23 #define FEC_ECNTRL_PINMUX       0x00000004
  24 #define FEC_ECNTRL_ETHER_EN     0x00000002
  25 #define FEC_ECNTRL_RESET        0x00000001
  26
  27 /* RMII mode enabled only when MII_MODE bit is set too. */
  28 #define FEC_RCNTRL_RMII_MODE    (0x00000100 | \
  29                                  FEC_RCNTRL_MII_MODE | FEC_RCNTRL_FCE)
  30 #define FEC_RCNTRL_FCE          0x00000020
  31 #define FEC_RCNTRL_BC_REJ       0x00000010
  32 #define FEC_RCNTRL_PROM         0x00000008
  33 #define FEC_RCNTRL_MII_MODE     0x00000004
  34 #define FEC_RCNTRL_DRT          0x00000002
  35 #define FEC_RCNTRL_LOOP         0x00000001
  36
  37 #define FEC_TCNTRL_FDEN         0x00000004
  38 #define FEC_TCNTRL_HBC          0x00000002
  39 #define FEC_TCNTRL_GTS          0x00000001
  40
  41 /*
  42  * Delay to wait for FEC reset command to complete (in us)
  43  */
  44 #define FEC_RESET_DELAY         50
  45 #endif