Subversion Repositories openrisc_me

#ifndef _IF_MCF5272_FEC

#define _IF_MCF5272_FEC

//==========================================================================

//####ECOSGPLCOPYRIGHTBEGIN####

// -------------------------------------------

// This file is part of eCos, the Embedded Configurable Operating System.

// Copyright (C) 1998, 1999, 2000, 2001, 2002 Red Hat, Inc.

//

// eCos is free software; you can redistribute it and/or modify it under

// the terms of the GNU General Public License as published by the Free

// Software Foundation; either version 2 or (at your option) any later version.

//

// eCos is distributed in the hope that it will be useful, but WITHOUT ANY

// WARRANTY; without even the implied warranty of MERCHANTABILITY or

// FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

// for more details.

//

// You should have received a copy of the GNU General Public License along

// with eCos; if not, write to the Free Software Foundation, Inc.,

// 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.

//

// As a special exception, if other files instantiate templates or use macros

// or inline functions from this file, or you compile this file and link it

// with other works to produce a work based on this file, this file does not

// by itself cause the resulting work to be covered by the GNU General Public

// License. However the source code for this file must still be made available

// in accordance with section (3) of the GNU General Public License.

//

// This exception does not invalidate any other reasons why a work based on

// this file might be covered by the GNU General Public License.

//

// Alternative licenses for eCos may be arranged by contacting Red Hat, Inc.

// at http://sources.redhat.com/ecos/ecos-license/

// -------------------------------------------

//####ECOSGPLCOPYRIGHTEND####

//==========================================================================

#include <cyg/hal/drv_api.h>

#include <cyg/io/eth/eth_drv_stats.h>

#include <cyg/devs/eth/nbuf.h>

 /* Ethernet controller inetrrupt priority level. */

#define MCF5272_INT_LEVEL 4

/* Bit level definitions and macros */

#define MCF5272_FEC_ECR_RESET           (0x00000001)

#define MCF5272_FEC_ECR_ETHER_EN        (0x00000002)

#define MCF5272_FEC_EIR_GRA                     (0x10000000)

#define MCF5272_FEC_EIR_HBE                 (0x80000000)

#define MCF5272_FEC_EIR_BR                  (0x40000000)

#define MCF5272_FEC_EIR_BT                  (0x20000000)

#define MCF5272_FEC_EIR_GRA                 (0x10000000)

#define MCF5272_FEC_EIR_TXF                 (0x08000000)

#define MCF5272_FEC_EIR_TXB                 (0x04000000)

#define MCF5272_FEC_EIR_RXF                 (0x02000000)

#define MCF5272_FEC_EIR_RXB                 (0x01000000)

#define MCF5272_FEC_EIR_MII                 (0x00800000)

#define MCF5272_FEC_EIR_EBERR           (0x00400000)

#define MCF5272_FEC_EIR_UMINT       (1<<21)

#define MCF5272_FEC_IMR_HBEEN           (0x80000000)

#define MCF5272_FEC_IMR_BREN            (0x40000000)

#define MCF5272_FEC_IMR_BTEN            (0x20000000)

#define MCF5272_FEC_IMR_GRAEN           (0x10000000)

#define MCF5272_FEC_IMR_TXFEN           (0x08000000)

#define MCF5272_FEC_IMR_TXBEN           (0x04000000)

#define MCF5272_FEC_IMR_RXFEN           (0x02000000)

#define MCF5272_FEC_IMR_RXBEN           (0x01000000)

#define MCF5272_FEC_IMR_MIIEN           (0x00800000)

#define MCF5272_FEC_IMR_EBERREN         (0x00400000)

#define MCF5272_FEC_RCR_PROM            (0x00000008)

#define MCF5272_FEC_RCR_MII_MODE        (0x00000004)

#define MCF5272_FEC_RCR_DRT                     (0x00000002)

#define MCF5272_FEC_RCR_LOOP            (0x00000001)

#define MCF5272_FEC_TCR_GTS                     (0x00000001)

#define MCF5272_FEC_TCR_HBC                     (0x00000002)

#define MCF5272_FEC_TCR_FDEN            (0x00000004)

#define MCF5272_FEC_RDAR_DESTACT    (0x01000000)

#define MCF5272_FEC_MFLR_BRDCAST    (0x80000000)

#define MCF5272_FEC_MFLR_MLTCAST    (0x40000000)

#define MCF5272_FEC_XWMRK_64        (0x00000000)

#define MCF5272_FEC_XWMRK_128       (0x00000002)

#define MCF5272_FEC_XWMRK_192       (0x00000003)

/*      Define the PHY addresss.  This address specifies which 32  attached */

/* PHY devices.                                                             */

//#define MCF5272_PHY_ADD            (0)

#define MCF5272_PHY_ADD            (0 << 23)

/*      Start of frame delimter for valid MII management frame.             */

#define MCF5272_FEC_MII_ST          (0x40000000)

/*      Operation code.  This field bust be programmed to generate a  valid */

/* MII management frame.                                                    */

#define MCF5272_FEC_MII_OP_READ     (0x20000000)

#define MCF5272_FEC_MII_OP_WRITE    (0x10000000)

/*      Register address.  Specifies one of the 32 attached PHY devices.    */

#define MCF5272_FEC_MII_RA_POS      (18)

#define MCF5272_FEC_MII_RA_MASK     (0x1F)

/*      Turn around.  Must  be programmed  to 10  to generate  a valid  MII */

/* management frame.                                                        */

#define MCF5272_FEC_MII_TA          (0x00020000)

/*      The management frame data maske.  Field  for data to be written  to */

/* or read from PHY register.                                               */

#define MCF5272_FEC_MII_DATA_MASK   (0x0000FFFF)

/*      This define the MII unchanged MII frame management bits.            */

#define MCF5272_FEC_MII_FIX_HDR     (0 |                  \

                                     MCF5272_FEC_MII_ST | \

                                     MCF5272_PHY_ADD |    \

                                     MCF5272_FEC_MII_TA)

/*      The PHY address mask.                                               */

#define MCF5272_FEC_MII_PA          (0x1F << 23)

/*      Define the interrupt mask.                                          */

#define MCF5272_FEC_INTERRUPT_MASK (MCF5272_FEC_IMR_TXFEN    | \

                                    MCF5272_FEC_IMR_RXFEN    )

/**************************************************

 * FEC diagnostic counters

 **************************************************/

typedef struct MCF5272_FEC_DIAG

{

    /*   We put all the receive statistics first.                           */

    unsigned long     rx_pk_cnt;             /*   The   total   number   of */

                                             /* received packets            */

    unsigned long     rx_pk_cnt_sec;

    unsigned long     rx_bytes_cnt;          /*   The   total   number   of */

                                             /* received bytes              */

    unsigned long     rx_bytes_cnt_sec;

    unsigned long     rx_err_cnt;            /*   The total  number of  bad */

                                             /* packets received            */

    unsigned long     rx_long_frm_err_cnt;   /*   The total number of  long */

                                             /* frame errors.               */

    unsigned long     rx_short_frm_err_cnt;  /*   The total number of short */

                                             /* frame errors.               */

    unsigned long     rx_crc_err_cnt;        /*   The total  number of  CRC */

                                             /* errors.                     */

    unsigned long     rx_overrun_err_cnt;    /*   The   total   number   of */

                                             /* overrun errors.             */

    unsigned long     rx_trunc_error_cnt;    /*   The  total   numbers   of */

                                             /* receieve  truncated  packet */

                                             /* errors.                     */

    /*   We  put  all  the  transmit  statistics  next.   start_of_transmit */

    /* doesn't take any  space but  only separates  the receive  statistics */

    /* from the transmit statistics.                                        */

    char              start_of_transmit[0];

    unsigned long     tx_pk_cnt;          /*   The    total    number    of */

                                          /* transmitted packet             */

    unsigned long     tx_pk_cnt_sec;

    unsigned long     tx_bytes_cnt;       /*   The    total    number    of */

                                          /* transmitted bytes              */

    unsigned long     tx_bytes_cnt_sec;

    unsigned long     tx_err_cnt;         /*   The total  number of  failed */

                                          /* packet transmission            */

    unsigned long     tx_def_cnt;         /*   The total number of  tansmit */

                                          /* defers.                        */

    unsigned long     tx_hb_err_cnt;      /*   The total  number  of  heart */

                                          /* beat errors.                   */

    unsigned long     tx_late_col_cnt;    /*   The  total  number  of  late */

                                          /* collisions.                    */

    unsigned long     tx_exes_retry_cnt;  /*   Excessive rettry count.      */

    unsigned long     tx_retry_cnt;       /*   The total number of transmit */

                                          /* retries.                       */

    unsigned long     tx_underrun_cnt;    /*   The total number of transmit */

                                          /* underruns.                     */

    unsigned long     tx_carrrier_loss_cnt; /*   The   total   number    of */

                                            /* trasnmit carrier losses.     */

    unsigned long     tx_free_bd_cnt;     /*   The total  number  of  freed */

                                          /* buffer descriptor.             */

    unsigned long     tx_free_min_bd_cnt; /*   The minimum  number of  free */

                                          /* buffer descriptor count.       */

    unsigned long     tx_full_cnt;        /*   The  number  of  times  when */

                                          /* there is no transmit buffer.   */

    unsigned long     tx_not_complete_cnt;  /*   The number  of  times  the */

                                            /* device   driver   discovered */

                                            /* that the BD is still in  use */

                                            /* by the FEC.                  */

    unsigned long     internal_bus_error_cnt; /*   FEC bus error count.   A */

                                              /* bus  error  occurred  when */

                                              /* the FEC  was accessing  an */

                                              /* internal bus.              */

}MCF5272_FEC_DIAG __attribute__ ((aligned, packed));

/* Ethernet driver status. */

enum eth_drv_status_t

{

    ETH_DEV_UNKNOWN = 1,

    ETH_DEV_DOWN = 2,

    ETH_DEV_UP = 3

};

/* Ethernet duplex mode. */

enum eth_drv_mode_t

{

    ETH_MODE_UNKNOWN = 1,

    ETH_MODE_SIMPLEX = 2,

    ETH_MODE_DUPLEX = 3

};

/* Ethernet speed values. */

enum eth_speed_t

{

    ETH_SPEED_10MB  =   10*1000*1000,

    ETH_SPEED_100MB =  100*1000*1000

};

/* Ethernet driver statistics information structure. */

struct mcf5272_ether_drv_stats

{

    struct ifreq ifreq;                 // tell ioctl() which interface.

    char description[ DESC_LEN ];       // Textual description of hardware

    unsigned char snmp_chipset[ SNMP_CHIPSET_LEN ];

                                        // SNMP ID of chipset

    enum eth_drv_mode_t  duplex;               // 1 = UNKNOWN, 2 = SIMPLEX, 3 = DUPLEX

    enum eth_drv_status_t operational;          // 1 = UNKNOWN, 2 = DOWN, 3 = UP

    // These are general status information:

    unsigned int speed;                 // 10,000,000 or 100,000,000

                                        //     to infinity and beyond?

    MCF5272_FEC_DIAG stats;

}__attribute__ ((aligned, packed));

#ifndef FIELD_OFFSET

#define FIELD_OFFSET(type,field) (cyg_uint32)(&(((type*)0)->field)

#endif /* FIELD_OFFSET */

/* The value of 1 second in nanosecond. */

#define SEC_IN_NS 1000000000

/* 48-bit Ethernet Addresses */

typedef u8_t ETH_ADDR[6];

/* 16-bit Ethernet Frame Type, ie. Protocol */

typedef u16_t ETH_FTYPE;

/* Maximum and Minimum Ethernet Frame Size (Data Field) */

#define ETH_DATA_MAX_SIZE       (1500)

#define ETH_DATA_MIN_SIZE       (46)

/* Maximum and Minimum Ethernet Frame Size (Entire frame) */

#define ETH_MAX_SIZE    (ETH_DATA_MAX_SIZE+14)

#define ETH_MIN_SIZE    (ETH_DATA_MIN_SIZE+14)

/* Common Ethernet Frame definition */

typedef struct

{

        ETH_ADDR dest;

        ETH_ADDR src;

        ETH_FTYPE type;

        u8_t data[ETH_DATA_MAX_SIZE];

    u32_t fcs;

} eth_frame_hdr  __attribute__ ((aligned, packed));

/* 802.1Q Ethernet Frame definition */

typedef struct

{

        ETH_ADDR dest;

        ETH_ADDR src;

    u32_t header_802_1q;

        ETH_FTYPE type;

        u8_t data[ETH_DATA_MAX_SIZE];

    u32_t fcs;

} eth_802_1Q_frame_hdr  __attribute__ ((aligned, packed));

/* Definition of macros that access the FEC registers */

#define put_reg(_addr_,_value_) \

   *((volatile u32_t*)&(_addr_)) = (cyg_uint32)(_value_)

#define get_reg(_addr_) \

   *(((volatile u32_t*)&(_addr_)))

#endif /* _IF_MCF5272_FEC */