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

//

//      ics1890.c

//

//      

//

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

//####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####

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

//#####DESCRIPTIONBEGIN####

//

// Author(s):    gthomas

// Contributors: gthomas, jskov

//               Grant Edwards <grante@visi.com>

// Date:         2001-07-31

// Purpose:      

// Description:  

//

//####DESCRIPTIONEND####

//

//========================================================================*/

#include "std.h"

#include "ks5000_regs.h"

#include "phy.h"

#define PHY_CNTL_REG    0x00

#define PHY_STATUS_REG  0x01

#define PHY_ID_REG1     0x02

#define PHY_ID_REG2     0x03

#define PHY_ANA_REG     0x04

#define PHY_ANLPAR_REG  0x05

#define PHY_ANE_REG     0x06

#define PHY_ECNTL_REG1  0x10

#define PHY_QPDS_REG    0x11

#define PHY_10BOP_REG   0x12

#define PHY_ECNTL_REG2  0x13

#ifdef CYGPKG_DEVS_ETH_ARM_KS32C5000_PHYADDR

#define PHYHWADDR  CYGPKG_DEVS_ETH_ARM_KS32C5000_PHYADDR

#else

#define PHYHWADDR  1

#endif

#define Bit(n) (1<<(n))

#define RESET_PHY       Bit(15)

#define ENABLE_LOOPBACK Bit(14)

#define DR_100MB        Bit(13)

#define ENABLE_AN       Bit(12)

#define PHY_MAC_ISOLATE Bit(10)

#define RESTART_AN      Bit(9)

#define PHY_FULLDUPLEX  Bit(8)

#define PHY_COL_TEST    Bit(7)

void PhyReset(void)

{

  MiiStationWrite(PHY_CNTL_REG, PHYHWADDR, RESET_PHY ) ;

  MiiStationWrite(PHY_CNTL_REG, PHYHWADDR, ENABLE_AN | RESTART_AN) ;

}

unsigned PhyStatus(void)

{

  unsigned status = MiiStationRead(PHY_QPDS_REG,PHYHWADDR);

  unsigned r = 0;

  if (status & Bit(0))

    r |= PhyStatus_LinkUp;

  if (status & Bit(14))

    r |= PhyStatus_FullDuplex;

  if (status & Bit(15))

    r |=  PhyStatus_100Mb;

  return r;

}