tgec_mii_acc.h

/*
 * Copyright 2008-2012 Freescale Semiconductor Inc.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *     * Redistributions of source code must retain the above copyright
 *       notice, this list of conditions and the following disclaimer.
 *     * Redistributions in binary form must reproduce the above copyright
 *       notice, this list of conditions and the following disclaimer in the
 *       documentation and/or other materials provided with the distribution.
 *     * Neither the name of Freescale Semiconductor nor the
 *       names of its contributors may be used to endorse or promote products
 *       derived from this software without specific prior written permission.
 *
 *
 * ALTERNATIVELY, this software may be distributed under the terms of the
 * GNU General Public License ("GPL") as published by the Free Software
 * Foundation, either version 2 of that License or (at your option) any
 * later version.
 *
 * THIS SOFTWARE IS PROVIDED BY Freescale Semiconductor ``AS IS'' AND ANY
 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 * DISCLAIMED. IN NO EVENT SHALL Freescale Semiconductor BE LIABLE FOR ANY
 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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 */


#ifndef __TGEC_MII_ACC_H
#define __TGEC_MII_ACC_H

#include "std_ext.h"


/* MII  Management Command Register */
#define MIIMCOM_READ_POST_INCREMENT 0x00004000
#define MIIMCOM_READ_CYCLE          0x00008000
#define MIIMCOM_SCAN_CYCLE          0x00000800
#define MIIMCOM_PREAMBLE_DISABLE    0x00000400

#define MIIMCOM_MDIO_HOLD_1_REG_CLK 0
#define MIIMCOM_MDIO_HOLD_2_REG_CLK 1
#define MIIMCOM_MDIO_HOLD_3_REG_CLK 2
#define MIIMCOM_MDIO_HOLD_4_REG_CLK 3

#define MIIMCOM_DIV_MASK            0x0000ff00
#define MIIMCOM_DIV_SHIFT           8

/* MII Management Indicator Register */
#define MIIMIND_BUSY                0x00000001
#define MIIMIND_READ_ERROR          0x00000002

#define MIIDATA_BUSY                0x80000000

#if defined(__MWERKS__) && !defined(__GNUC__)
#pragma pack(push,1)
#endif /* defined(__MWERKS__) && ... */

/*----------------------------------------------------*/
/* MII Configuration Control Memory Map Registers     */
/*----------------------------------------------------*/
typedef _Packed struct t_TgecMiiAccessMemMap
{
    volatile uint32_t   mdio_cfg_status;    /* 0x030  */
    volatile uint32_t   mdio_command;       /* 0x034  */
    volatile uint32_t   mdio_data;          /* 0x038  */
    volatile uint32_t   mdio_regaddr;       /* 0x03c  */
} _PackedType t_TgecMiiAccessMemMap ;

#if defined(__MWERKS__) && !defined(__GNUC__)
#pragma pack(pop)
#endif /* defined(__MWERKS__) && ... */


#endif /* __TGEC_MII_ACC_H */