/*-------------------------------------------------------------------------------------*\

    $Header$

    $Id$

    $Log$

\*-------------------------------------------------------------------------------------*/
#ifndef _MDIO_H_
#define _MDIO_H_

#define MDIO_R_VER                          (*(volatile unsigned *)(MDIO_BASE + 0x00))

#define MDIO_R_CONTROL                      (*(volatile unsigned *)(MDIO_BASE + 0x04))
#define MDIO_CONTROL_IDLE                   (1 << 31)
#define MDIO_CONTROL_ENABLE                 (1 << 30)
#define MDIO_CONTROL_PREAMBLE               (1 << 20)
#define MDIO_CONTROL_FAULT                  (1 << 19)
#define MDIO_CONTROL_FAULT_DETECT_EN        (1 << 18)
#define MDIO_CONTROL_IRQ_TEST_EN            (1 << 17)
#define MDIO_CONTROL_MAXCHAN(maxchan)       ((maxchan) << 8)
/*--- #define MDIO_CONTROL_CLKDIV(clkdiv)         ((clkdiv) << 0) ---*/

#define MDIO_R_ALIVE                        (*(volatile unsigned *)(MDIO_BASE + 0x08))
#define MDIO_R_LINK                         (*(volatile unsigned *)(MDIO_BASE + 0x0C))
#define INTERNAL_PHY                        (1 << 31)
#define EXTERNAL_PHY                        (1 <<  1)

#define MDIO_R_LINK_INT                     (*(volatile unsigned *)(MDIO_BASE + 0x10))
#define MDIO_R_USER_INTRAW                  (*(volatile unsigned *)(MDIO_BASE + 0x14))
#define MDIO_R_USER_INTMASK                 (*(volatile unsigned *)(MDIO_BASE + 0x18))
#define MDIO_R_USER_INTMASKSET              (*(volatile unsigned *)(MDIO_BASE + 0x1C))
#define MDIO_R_USER_INTMASKCLR              (*(volatile unsigned *)(MDIO_BASE + 0x20))

#define MDIO_R_USER_ACCESS0                 (*(volatile unsigned *)(MDIO_BASE + 0x80))
#define MDIO_R_USER_ACCESS1                 (*(volatile unsigned *)(MDIO_BASE + 0x88))
#define MDIO_USER_ACCESS_GO                 (1U << 31)
#define MDIO_USER_ACCESS_WRITE              (1 << 30)
#define MDIO_USER_ACCESS_ACK                (1 << 29)
#define MDIO_USER_ACCESS_REGADDR(addr)      ((addr) << 21)
#define MDIO_USER_ACCESS_PHYADDR(addr)      ((addr) << 16)
#define MDIO_USER_ACCESS_DATA(data)         ((data) << 0)

#define MDIO_R_USER_PHYSEL0                 (*(volatile unsigned *)(MDIO_BASE + 0x84))
#define MDIO_R_USER_PHYSEL1                 (*(volatile unsigned *)(MDIO_BASE + 0x8C))
#define MDIO_USER_PHY_SELECT_LINK_SEL       (1 << 7)
#define MDIO_USER_PHY_SELECT_LINK_IRQ_EN    (1 << 6)
#define MDIO_USER_PHY_SELECT_PHY_MON(addr)  ((addr) << 0)
#define ARM1176 1

union _mdio_control {
    volatile unsigned int Reg;
    volatile struct __mdio_control {
#if defined(ARM1176)
        unsigned int idle            : 1;
        unsigned int enable          : 1;
        unsigned int reserved29      : 1;
        unsigned int highest_channel : 5;
        unsigned int reserved2321    : 3;
        unsigned int preamble        : 1;
        unsigned int fault           : 1;
        unsigned int fault_detect_en : 1;
        unsigned int int_test_en     : 1;
        unsigned int reserved16      : 1;
        unsigned int clk_div         : 16;
#else
        unsigned int clk_div         : 8;
        unsigned int reserved        : 9;
        unsigned int int_test_en     : 1;
        unsigned int fault_detect_en : 1;
        unsigned int fault           : 1;
        unsigned int preamble        : 1;
        unsigned int reserved21_29   : 9;
        unsigned int enable          : 1;
        unsigned int idle            : 1;
#endif
    } Bits;
};

union _mdio_user_access {
    volatile unsigned int Reg;
    struct __mdio_user_access {
#if defined(ARM1176)
        unsigned int go : 1;
        unsigned int write : 1;
        unsigned int ack : 1;
        unsigned int reserved : 3;
        unsigned int regaddr : 5;
        unsigned int phyaddr : 5;
        unsigned int data : 16;
#else
        unsigned int data : 16;
        unsigned int phyaddr : 5;
        unsigned int regaddr : 5;
        unsigned int reserved : 3;
        unsigned int ack : 1;
        unsigned int write : 1;
        unsigned int go : 1;
#endif
    } Bits;
};
        
union _mdio_user_physel {
    volatile unsigned int Reg;
    struct __mdio_user_physel {
#if defined(ARM1176)
        unsigned int reserved1 : 24;
        unsigned int linksel : 1;
        unsigned int linkint_en : 1;
        unsigned int reserved : 1;
        unsigned int phyadr_mon : 5;
#else
        unsigned int phyadr_mon : 5;
        unsigned int reserved : 1;
        unsigned int linkint_en : 1;
        unsigned int linksel : 1;
        unsigned int reserved1 : 24;
#endif
    } Bits;
};
 
struct _user {
#if defined(ARM1176)
    union _mdio_user_access access;
    union _mdio_user_physel physel;
#else
    union _mdio_user_physel physel;
    union _mdio_user_access access;
#endif
};

struct mdio_regs {
    volatile unsigned int   version;
    union _mdio_control     control;
    volatile unsigned int   alive;
    volatile unsigned int   link;
    volatile unsigned int   linkintraw;
    volatile unsigned int   linkintmask;
    volatile unsigned int   reserved1;
    volatile unsigned int   reserved2;
    volatile unsigned int   userintraw;
    volatile unsigned int   userintmasked;
    volatile unsigned int   userintmaskset;
    volatile unsigned int   userintmaskclear;
    volatile unsigned int   reserved[20];
    struct _user            user[2];
};

#endif  /*--- #ifndef _MDIO_H_ ---*/