NXP LPC1768 Ethernet driver for lwip and CMSIS-RTOS

Dependents:   EthernetInterface EthernetInterface EthernetInterface_RSF EthernetInterface ... more

Legacy Networking Libraries

This is an mbed 2 networking library. For mbed 5, the networking libraries have been revised to better support additional network stacks and thread safety here.

This library is based on the code of the NXP LPC port of the Lightweight TCP/IP Stack

Copyright(C) 2011, NXP Semiconductor
All rights reserved.

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arch/TARGET_Freescale/hardware_init_MK64F12.c

Committer:
mbed_official
Date:
2014-11-06
Revision:
22:fa7e1e2c6eb3
Parent:
20:620d381e7f4c
Child:
26:32c3ccc5a8ef

File content as of revision 22:fa7e1e2c6eb3:

/*
 * Copyright (c) 2013 - 2014, Freescale Semiconductor, Inc.
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without modification,
 * are permitted provided that the following conditions are met:
 *
 * o Redistributions of source code must retain the above copyright notice, this list
 *   of conditions and the following disclaimer.
 *
 * o Redistributions in binary form must reproduce the above copyright notice, this
 *   list of conditions and the following disclaimer in the documentation and/or
 *   other materials provided with the distribution.
 *
 * o Neither the name of Freescale Semiconductor, Inc. nor the names of its
 *   contributors may be used to endorse or promote products derived from this
 *   software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR
 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
 * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

#include "fsl_port_hal.h"
#include "fsl_clock_manager.h"
#include "fsl_device_registers.h"
#include "fsl_sim_hal.h"

/*******************************************************************************
 * Code
 ******************************************************************************/
void k64f_init_eth_hardware(void)
{
    uint8_t count;

    /* Disable the mpu*/
    BW_MPU_CESR_VLD(MPU_BASE, 0);
    
    /* Open POTR clock gate*/
    for (count = 0; count < HW_PORT_INSTANCE_COUNT; count++)
    {
        CLOCK_SYS_EnablePortClock(count);
    }

    /* Configure gpio*/
    PORT_HAL_SetMuxMode(PORTA_BASE, 12, kPortMuxAlt4);  /*!< ENET RMII0_RXD1/MII0_RXD1*/
    PORT_HAL_SetMuxMode(PORTA_BASE, 13, kPortMuxAlt4);  /*!< ENET RMII0_RXD0/MII0_RXD0*/
    PORT_HAL_SetMuxMode(PORTA_BASE, 14, kPortMuxAlt4);  /*!< ENET RMII0_CRS_DV/MII0_RXDV*/
    PORT_HAL_SetMuxMode(PORTA_BASE, 15, kPortMuxAlt4);  /*!< ENET RMII0_TXEN/MII0_TXEN*/
    PORT_HAL_SetMuxMode(PORTA_BASE, 16, kPortMuxAlt4);  /*!< ENET RMII0_TXD0/MII0_TXD0*/
    PORT_HAL_SetMuxMode(PORTA_BASE, 17, kPortMuxAlt4);  /*!< ENET RMII0_TXD01/MII0_TXD1*/
    PORT_HAL_SetMuxMode(PORTB_BASE, 0, kPortMuxAlt4);   /*!< ENET RMII0_MDIO/MII0_MDIO*/
    PORT_HAL_SetOpenDrainCmd(PORTB_BASE,0, true);   /*!< ENET RMII0_MDC/MII0_MDC*/

    // Added for FRDM-K64F
    PORT_HAL_SetPullMode(PORTB_BASE, 0, kPortPullUp);
    PORT_HAL_SetPullCmd(PORTB_BASE, 0, true);
  
    PORT_HAL_SetMuxMode(PORTB_BASE, 1, kPortMuxAlt4);
    /* Configure GPIO for MII interface */
    PORT_HAL_SetMuxMode(PORTA_BASE, 9, kPortMuxAlt4);   /*!< ENET MII0_RXD3*/
    PORT_HAL_SetMuxMode(PORTA_BASE, 10, kPortMuxAlt4);   /*!< ENET MII0_RXD2*/
    PORT_HAL_SetMuxMode(PORTA_BASE, 11, kPortMuxAlt4);   /*!< ENET MII0_RXCLK*/
    PORT_HAL_SetMuxMode(PORTA_BASE, 24, kPortMuxAlt4);   /*!< ENET MII0_TXD2*/
    PORT_HAL_SetMuxMode(PORTA_BASE, 25, kPortMuxAlt4);   /*!< ENET MII0_TXCLK*/
    PORT_HAL_SetMuxMode(PORTA_BASE, 26, kPortMuxAlt4);   /*!< ENET MII0_TXD3*/
    PORT_HAL_SetMuxMode(PORTA_BASE, 27, kPortMuxAlt4);   /*!< ENET MII0_CRS*/
    PORT_HAL_SetMuxMode(PORTA_BASE, 28, kPortMuxAlt4);   /*!< ENET MII0_TXER*/
    PORT_HAL_SetMuxMode(PORTA_BASE, 29, kPortMuxAlt4);   /*!< ENET MII0_COL*/
#if FSL_FEATURE_ENET_SUPPORT_PTP
    PORT_HAL_SetMuxMode(PORTC_BASE, (16 + ENET_TIMER_CHANNEL_NUM), kPortMuxAlt4); /* ENET ENET0_1588_TMR0*/
    PORT_HAL_SetDriveStrengthMode(PORTC_BASE, (16 + ENET_TIMER_CHANNEL_NUM), kPortHighDriveStrength);
#endif

    /* Open ENET clock gate*/
    CLOCK_SYS_EnableEnetClock( 0U);

    /* Select the ptp timer  outclk*/
    CLOCK_HAL_SetSource(g_simBaseAddr[0], kClockTimeSrc, 2);
}

/*******************************************************************************
 * EOF
 ******************************************************************************/