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

//

//      phycore_misc.c

//

//      HAL misc board support code for Phytec phyCORE-LPC2292/94

//

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

// ####ECOSGPLCOPYRIGHTBEGIN####

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

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

// Copyright (C) 1998, 1999, 2000, 2001, 2002, 2008 Free Software Foundation, 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.,

// 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, 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 v2.

//

// 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):    Uwe Kindler

// Contributors: Uwe Kindler

// Date:         2007-11-20

// Purpose:      HAL board support

// Description:  Implementations of HAL board interfaces

//

//####DESCRIPTIONEND####

//

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

#include <pkgconf/hal.h>

#include <pkgconf/hal_arm_lpc2xxx_phycore229x.h>

#include <cyg/hal/hal_io.h>             // IO macros

#include <cyg/infra/cyg_type.h>         // base types

#include <cyg/hal/var_io.h>

#include <cyg/hal/plf_io.h>

#include <pkgconf/hal.h>

#include <cyg/hal/hal_arch.h>

#include <cyg/hal/hal_intr.h>

#ifdef CYGPKG_REDBOOT

#include <redboot.h>

#endif

extern void cyg_hal_plf_serial_init(void);

void cyg_hal_plf_comms_init(void)

{

    static int initialized = 0;

    if (initialized)

        return;

    initialized = 1;

    cyg_hal_plf_serial_init();

}

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

// hal_plf_hardware_init

//

void hal_plf_hardware_init(void)

{

#if defined(CYG_HAL_STARTUP_ROM) && defined(CYGPKG_DEVS_ETH_ARM_PHYCORE229X)

    cyg_uint32 regval;

    //

    // Configures the LAN IRQ

    // The interrupt is being used as active high edge triggered.

    // IMPORTANT: We execute this step only for ROM startup. If this is done

    // for RAM startup then wrong values are stored in EXTMODE and EXTPOLAR

    // register because of a bug in LPC229x hardware.

    //

    HAL_INTERRUPT_CONFIGURE(CYGHWR_HAL_ARM_PHYCORE229X_ETH_EINT + // the configured external interrupt

                            CYGNUM_HAL_INTERRUPT_EINT0,           // the first external interrupt

                            0,                                    // level = 0 - edge triggered

                            1);                                   // up = 1 - rising edge

    //

    // Set pin function of P0.16 to EINT0 or P0.14 to EINT1 for ethernet interrupt

    //

#if CYGHWR_HAL_ARM_PHYCORE229X_ETH_EINT == 0

    HAL_READ_UINT32(CYGARC_HAL_LPC2XXX_REG_PIN_BASE +

                    CYGARC_HAL_LPC2XXX_REG_PINSEL1, regval);

    regval |= 0x01;

    HAL_WRITE_UINT32(CYGARC_HAL_LPC2XXX_REG_PIN_BASE +

                     CYGARC_HAL_LPC2XXX_REG_PINSEL1, regval);

#elif CYGHWR_HAL_ARM_PHYCORE229X_ETH_EINT == 1

    HAL_READ_UINT32(CYGARC_HAL_LPC2XXX_REG_PIN_BASE +

                    CYGARC_HAL_LPC2XXX_REG_PINSEL0, regval);

    regval |= (0x10 << 28);

    HAL_WRITE_UINT32(CYGARC_HAL_LPC2XXX_REG_PIN_BASE +

                     CYGARC_HAL_LPC2XXX_REG_PINSEL0, regval);

#else

#error "Invalid CYGHWR_HAL_ARM_PHYCORE229X_ETH_EINT value"

#endif

#endif // #if defined(CYG_HAL_STARTUP_ROM) && defined(CYGPKG_DEVS_ETH_ARM_PHYCORE229X)

}

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

// hal_lpc2xxx_set_leds

//

void hal_lpc2xxx_set_leds (int mask)

{

    //

    // implement function for setting diagnostic leds

    //

}

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

// EOF phycore_misc.c