//==========================================================================
//
//
//      XSEngine ethernet I/O definitions.
//
//==========================================================================
//####ECOSGPLCOPYRIGHTBEGIN####
// -------------------------------------------
// This file is part of eCos, the Embedded Configurable Operating System.
// Copyright (C) 1998, 1999, 2000, 2001, 2002 Red Hat, Inc.
// Copyright (C) 2003 Nick Garnett 
// Copyright (C) 2005 eCosCentric Ltd
//
// 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.
//
// -------------------------------------------
//####ECOSGPLCOPYRIGHTEND####
//==========================================================================
//#####DESCRIPTIONBEGIN####
//
// Author(s):    Kurt Stremerch
// Contributors: Jordi Colomer, nickg
// Date:         2005-02-23
// Purpose:      XSEngine ethernet definitions
//####DESCRIPTIONEND####
//==========================================================================

#include <pkgconf/system.h>
#include <pkgconf/devs_eth_arm_xscale_xsengine.h>
#include <cyg/hal/hal_intr.h>          

#ifdef CYGPKG_REDBOOT
# include <pkgconf/redboot.h>
# ifdef CYGSEM_REDBOOT_FLASH_CONFIG
#  include <redboot.h>
#  include <flash_config.h>
# endif
#endif

#define LAN91CXX_IS_LAN91C111
#define CYGNUM_DEVS_ETH_SMSC_LAN91CXX_SHIFT_ADDR 1

#ifdef CYGPKG_DEVS_ETH_XSENGINE_ETH0

#if defined(CYGPKG_REDBOOT) && defined(CYGSEM_REDBOOT_FLASH_CONFIG)
RedBoot_config_option("Set " CYGDAT_DEVS_ETH_XSENGINE_ETH0_NAME " network hardware address [MAC]",
                       eth0_esa,
                       ALWAYS_ENABLED, true,
                       CONFIG_BOOL, false
);
RedBoot_config_option(CYGDAT_DEVS_ETH_XSENGINE_ETH0_NAME " network hardware address [MAC]",
                       eth0_esa_data,
                       "eth0_esa", true,
                       CONFIG_ESA, 0
);
#endif // CYGPKG_REDBOOT && CYGSEM_REDBOOT_FLASH_CONFIG

#ifdef CYGSEM_HAL_VIRTUAL_VECTOR_SUPPORT
// Note that this section *is* active in an application, outside RedBoot,
// where the above section is not included.

# include <cyg/hal/hal_if.h>

# ifndef CONFIG_ESA
#  define CONFIG_ESA (6)
# endif
# ifndef CONFIG_BOOL
#  define CONFIG_BOOL (1)
# endif

cyg_bool
_xsengine_provide_eth0_esa(struct lan91cxx_priv_data* cpd)
{
    cyg_bool set_esa;
    int ok;
    ok = CYGACC_CALL_IF_FLASH_CFG_OP( CYGNUM_CALL_IF_FLASH_CFG_GET,
                                      "eth0_esa", &set_esa, CONFIG_BOOL);
    if (ok && set_esa) {
        ok = CYGACC_CALL_IF_FLASH_CFG_OP( CYGNUM_CALL_IF_FLASH_CFG_GET,
                                          "eth0_esa_data", cpd->enaddr, CONFIG_ESA);
    }
    return ok && set_esa;
}

#endif // CYGSEM_HAL_VIRTUAL_VECTOR_SUPPORT

static lan91cxx_priv_data lan91cxx_eth0_priv_data = { 
    base : (unsigned short *) 0x60000000,
#ifdef CYGSEM_DEVS_ETH_XSENGINE_ETH0_SET_ESA
    enaddr        : CYGDAT_DEVS_ETH_XSENGINE_ETH0_ESA,
    hardwired_esa : true,
#else
    hardwired_esa : false,
#endif
#ifdef CYGSEM_HAL_VIRTUAL_VECTOR_SUPPORT
    provide_esa   : &_xsengine_provide_eth0_esa,
#else
    provide_esa   : NULL,
#endif
};

ETH_DRV_SC(lan91cxx_sc,
           &lan91cxx_eth0_priv_data,          // Driver specific data
           CYGDAT_DEVS_ETH_XSENGINE_ETH0_NAME, // Name for device
           lan91cxx_start,
           lan91cxx_stop,
           lan91cxx_control,
           lan91cxx_can_send,
           lan91cxx_send,
           lan91cxx_recv,
           lan91cxx_deliver,
           lan91cxx_poll,
           lan91cxx_int_vector
);

NETDEVTAB_ENTRY(lan91cxx_netdev, 
                "lan91cxx_" CYGDAT_DEVS_ETH_XSENGINE_ETH0_NAME,
                smsc_lan91cxx_init,
                &lan91cxx_sc);

#endif // CYGPKG_DEVS_ETH_XSENGINE_ETH0
