LXR linux/drivers/net/fsl_pq

   1/*
   2 * Freescale PowerQUICC MDIO Driver -- MII Management Bus Implementation
   3 * Driver for the MDIO bus controller on Freescale PowerQUICC processors
   4 *
   5 * Author: Andy Fleming
   6 * Modifier: Sandeep Gopalpet
   7 *
   8 * Copyright 2002-2004, 2008-2009 Freescale Semiconductor, Inc.
   9 *
  10 * This program is free software; you can redistribute  it and/or modify it
  11 * under  the terms of  the GNU General  Public License as published by the
  12 * Free Software Foundation;  either version 2 of the  License, or (at your
  13 * option) any later version.
  14 *
  15 */
  16#ifndef __FSL_PQ_MDIO_H
  17#define __FSL_PQ_MDIO_H
  18
  19#define MIIMIND_BUSY            0x00000001
  20#define MIIMIND_NOTVALID        0x00000004
  21#define MIIMCFG_INIT_VALUE      0x00000007
  22#define MIIMCFG_RESET           0x80000000
  23
  24#define MII_READ_COMMAND       0x00000001
  25
  26struct fsl_pq_mdio {
  27        u8 res1[16];
  28        u32 ieventm;    /* MDIO Interrupt event register (for etsec2)*/
  29        u32 imaskm;     /* MDIO Interrupt mask register (for etsec2)*/
  30        u8 res2[4];
  31        u32 emapm;      /* MDIO Event mapping register (for etsec2)*/
  32        u8 res3[1280];
  33        u32 miimcfg;            /* MII management configuration reg */
  34        u32 miimcom;            /* MII management command reg */
  35        u32 miimadd;            /* MII management address reg */
  36        u32 miimcon;            /* MII management control reg */
  37        u32 miimstat;           /* MII management status reg */
  38        u32 miimind;            /* MII management indication reg */
  39        u8 reserved[28];        /* Space holder */
  40        u32 utbipar;            /* TBI phy address reg (only on UCC) */
  41        u8 res4[2728];
  42} __packed;
  43
  44int fsl_pq_mdio_read(struct mii_bus *bus, int mii_id, int regnum);
  45int fsl_pq_mdio_write(struct mii_bus *bus, int mii_id, int regnum, u16 value);
  46int fsl_pq_local_mdio_write(struct fsl_pq_mdio __iomem *regs, int mii_id,
  47                          int regnum, u16 value);
  48int fsl_pq_local_mdio_read(struct fsl_pq_mdio __iomem *regs, int mii_id, int regnum);
  49int __init fsl_pq_mdio_init(void);
  50void fsl_pq_mdio_exit(void);
  51void fsl_pq_mdio_bus_name(char *name, struct device_node *np);
  52#endif /* FSL_PQ_MDIO_H */
  53