drivers/net/ibm_emac/ibm_emac_zmii.h

   1 /*
   2  * ocp_zmii.h
   3  *
   4  * Defines for the IBM ZMII bridge
   5  *
   6  *      Armin Kuster akuster@mvista.com
   7  *      Dec, 2001
   8  *
   9  * Copyright 2001 MontaVista Softare Inc.
  10  *
  11  * This program is free software; you can redistribute  it and/or modify it
  12  * under  the terms of  the GNU General  Public License as published by the
  13  * Free Software Foundation;  either version 2 of the  License, or (at your
  14  * option) any later version.
  15  */
  16
  17 #ifndef _IBM_EMAC_ZMII_H_
  18 #define _IBM_EMAC_ZMII_H_
  19
  20 #include <linux/config.h>
  21
  22 /* ZMII bridge registers */
  23 struct zmii_regs {
  24         u32 fer;                /* Function enable reg */
  25         u32 ssr;                /* Speed select reg */
  26         u32 smiirs;             /* SMII status reg */
  27 };
  28
  29 #define ZMII_INPUTS     4
  30
  31 /* ZMII device */
  32 struct ibm_ocp_zmii {
  33         struct zmii_regs *base;
  34         int mode[ZMII_INPUTS];
  35         int users;              /* number of EMACs using this ZMII bridge */
  36 };
  37
  38 /* Fuctional Enable Reg */
  39
  40 #define ZMII_FER_MASK(x)        (0xf0000000 >> (4*x))
  41
  42 #define ZMII_MDI0       0x80000000
  43 #define ZMII_SMII0      0x40000000
  44 #define ZMII_RMII0      0x20000000
  45 #define ZMII_MII0       0x10000000
  46 #define ZMII_MDI1       0x08000000
  47 #define ZMII_SMII1      0x04000000
  48 #define ZMII_RMII1      0x02000000
  49 #define ZMII_MII1       0x01000000
  50 #define ZMII_MDI2       0x00800000
  51 #define ZMII_SMII2      0x00400000
  52 #define ZMII_RMII2      0x00200000
  53 #define ZMII_MII2       0x00100000
  54 #define ZMII_MDI3       0x00080000
  55 #define ZMII_SMII3      0x00040000
  56 #define ZMII_RMII3      0x00020000
  57 #define ZMII_MII3       0x00010000
  58
  59 /* Speed Selection reg */
  60
  61 #define ZMII_SCI0       0x40000000
  62 #define ZMII_FSS0       0x20000000
  63 #define ZMII_SP0        0x10000000
  64 #define ZMII_SCI1       0x04000000
  65 #define ZMII_FSS1       0x02000000
  66 #define ZMII_SP1        0x01000000
  67 #define ZMII_SCI2       0x00400000
  68 #define ZMII_FSS2       0x00200000
  69 #define ZMII_SP2        0x00100000
  70 #define ZMII_SCI3       0x00040000
  71 #define ZMII_FSS3       0x00020000
  72 #define ZMII_SP3        0x00010000
  73
  74 #define ZMII_MII0_100MB ZMII_SP0
  75 #define ZMII_MII0_10MB  ~ZMII_SP0
  76 #define ZMII_MII1_100MB ZMII_SP1
  77 #define ZMII_MII1_10MB  ~ZMII_SP1
  78 #define ZMII_MII2_100MB ZMII_SP2
  79 #define ZMII_MII2_10MB  ~ZMII_SP2
  80 #define ZMII_MII3_100MB ZMII_SP3
  81 #define ZMII_MII3_10MB  ~ZMII_SP3
  82
  83 /* SMII Status reg */
  84
  85 #define ZMII_STS0 0xFF000000    /* EMAC0 smii status mask */
  86 #define ZMII_STS1 0x00FF0000    /* EMAC1 smii status mask */
  87
  88 #define SMII    0
  89 #define RMII    1
  90 #define MII     2
  91 #define MDI     3
  92
  93 #endif                          /* _IBM_EMAC_ZMII_H_ */