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mbed-os / connectivity / drivers / emac / TARGET_NXP_EMAC / TARGET_MCU_LPC546XX / TARGET_LPCXpresso / hardware_init_LPC546XX.c
/* mbed Microcontroller Library
 * Copyright (c) 2017 ARM Limited
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

#include "fsl_iocon.h"

#define IOCON_PIO_DIGITAL_EN 0x0100u  /*!<@brief Enables digital function */
#define IOCON_PIO_FUNC0 0x00u         /*!<@brief Selects pin function 0 */
#define IOCON_PIO_FUNC1 0x01u         /*!<@brief Selects pin function 1 */
#define IOCON_PIO_FUNC6 0x06u         /*!<@brief Selects pin function 6 */
#define IOCON_PIO_FUNC7 0x07u         /*!<@brief Selects pin function 7 */
#define IOCON_PIO_INPFILT_OFF 0x0200u /*!<@brief Input filter disabled */
#define IOCON_PIO_INV_DI 0x00u        /*!<@brief Input function is not inverted */
#define IOCON_PIO_MODE_INACT 0x00u    /*!<@brief No addition pin function */
#define IOCON_PIO_MODE_PULLUP 0x20u   /*!<@brief Selects pull-up function */
#define IOCON_PIO_OPENDRAIN_DI 0x00u  /*!<@brief Open drain is disabled */
#define IOCON_PIO_SLEW_FAST 0x0400u   /*!<@brief Fast mode, slew rate control is disabled */
#define IOCON_PIO_SLEW_STANDARD 0x00u /*!<@brief Standard mode, output slew rate control is enabled */

/*******************************************************************************
 * Code
 ******************************************************************************/
void lpc546xx_init_eth_hardware(void)
{
    CLOCK_EnableClock(kCLOCK_InputMux);

    /* Enables the clock for the IOCON block. 0 = Disable; 1 = Enable.: 0x01u */
    CLOCK_EnableClock(kCLOCK_Iocon);

    const uint32_t port0_pin10_config = (/* Pin is configured as SWO */
                                         IOCON_PIO_FUNC6 |
                                         /* No addition pin function */
                                         IOCON_PIO_MODE_INACT |
                                         /* Input function is not inverted */
                                         IOCON_PIO_INV_DI |
                                         /* Enables digital function */
                                         IOCON_PIO_DIGITAL_EN |
                                         /* Input filter disabled */
                                         IOCON_PIO_INPFILT_OFF |
                                         /* Open drain is disabled */
                                         IOCON_PIO_OPENDRAIN_DI);
    /* PORT0 PIN10 (coords: P2) is configured as SWO */
    IOCON_PinMuxSet(IOCON, 0U, 10U, port0_pin10_config);

    const uint32_t port0_pin17_config = (/* Pin is configured as ENET_TXD1 */
                                         IOCON_PIO_FUNC7 |
                                         /* No addition pin function */
                                         IOCON_PIO_MODE_INACT |
                                         /* Input function is not inverted */
                                         IOCON_PIO_INV_DI |
                                         /* Enables digital function */
                                         IOCON_PIO_DIGITAL_EN |
                                         /* Input filter disabled */
                                         IOCON_PIO_INPFILT_OFF |
                                         /* Standard mode, output slew rate control is enabled */
                                         IOCON_PIO_SLEW_STANDARD |
                                         /* Open drain is disabled */
                                         IOCON_PIO_OPENDRAIN_DI);
    /* PORT0 PIN17 (coords: E14) is configured as ENET_TXD1 */
    IOCON_PinMuxSet(IOCON, 0U, 17U, port0_pin17_config);

    const uint32_t port0_pin29_config = (/* Pin is configured as FC0_RXD_SDA_MOSI */
                                         IOCON_PIO_FUNC1 |
                                         /* No addition pin function */
                                         IOCON_PIO_MODE_INACT |
                                         /* Input function is not inverted */
                                         IOCON_PIO_INV_DI |
                                         /* Enables digital function */
                                         IOCON_PIO_DIGITAL_EN |
                                         /* Input filter disabled */
                                         IOCON_PIO_INPFILT_OFF |
                                         /* Fast mode, slew rate control is disabled */
                                         IOCON_PIO_SLEW_FAST |
                                         /* Open drain is disabled */
                                         IOCON_PIO_OPENDRAIN_DI);
    /* PORT0 PIN29 (coords: B13) is configured as FC0_RXD_SDA_MOSI */
    IOCON_PinMuxSet(IOCON, 0U, 29U, port0_pin29_config);

    const uint32_t port0_pin30_config = (/* Pin is configured as FC0_TXD_SCL_MISO */
                                         IOCON_PIO_FUNC1 |
                                         /* No addition pin function */
                                         IOCON_PIO_MODE_INACT |
                                         /* Input function is not inverted */
                                         IOCON_PIO_INV_DI |
                                         /* Enables digital function */
                                         IOCON_PIO_DIGITAL_EN |
                                         /* Input filter disabled */
                                         IOCON_PIO_INPFILT_OFF |
                                         /* Fast mode, slew rate control is disabled */
                                         IOCON_PIO_SLEW_FAST |
                                         /* Open drain is disabled */
                                         IOCON_PIO_OPENDRAIN_DI);
    /* PORT0 PIN30 (coords: A2) is configured as FC0_TXD_SCL_MISO */
    IOCON_PinMuxSet(IOCON, 0U, 30U, port0_pin30_config);

    const uint32_t port2_pin26_config = (/* Pin is configured as PIO2_26 */
                                         IOCON_PIO_FUNC0 |
                                         /* Selects pull-up function */
                                         IOCON_PIO_MODE_PULLUP |
                                         /* Input function is not inverted */
                                         IOCON_PIO_INV_DI |
                                         /* Enables digital function */
                                         IOCON_PIO_DIGITAL_EN |
                                         /* Input filter disabled */
                                         IOCON_PIO_INPFILT_OFF |
                                         /* Standard mode, output slew rate control is enabled */
                                         IOCON_PIO_SLEW_STANDARD |
                                         /* Open drain is disabled */
                                         IOCON_PIO_OPENDRAIN_DI);
    /* PORT2 PIN26 (coords: H11) is configured as PIO2_26 */
    IOCON_PinMuxSet(IOCON, 2U, 26U, port2_pin26_config);

    const uint32_t port4_pin10_config = (/* Pin is configured as ENET_RX_DV */
                                         IOCON_PIO_FUNC1 |
                                         /* No addition pin function */
                                         IOCON_PIO_MODE_INACT |
                                         /* Input function is not inverted */
                                         IOCON_PIO_INV_DI |
                                         /* Enables digital function */
                                         IOCON_PIO_DIGITAL_EN |
                                         /* Input filter disabled */
                                         IOCON_PIO_INPFILT_OFF |
                                         /* Standard mode, output slew rate control is enabled */
                                         IOCON_PIO_SLEW_STANDARD |
                                         /* Open drain is disabled */
                                         IOCON_PIO_OPENDRAIN_DI);
    /* PORT4 PIN10 (coords: B9) is configured as ENET_RX_DV */
    IOCON_PinMuxSet(IOCON, 4U, 10U, port4_pin10_config);

    const uint32_t port4_pin11_config = (/* Pin is configured as ENET_RXD0 */
                                         IOCON_PIO_FUNC1 |
                                         /* No addition pin function */
                                         IOCON_PIO_MODE_INACT |
                                         /* Input function is not inverted */
                                         IOCON_PIO_INV_DI |
                                         /* Enables digital function */
                                         IOCON_PIO_DIGITAL_EN |
                                         /* Input filter disabled */
                                         IOCON_PIO_INPFILT_OFF |
                                         /* Standard mode, output slew rate control is enabled */
                                         IOCON_PIO_SLEW_STANDARD |
                                         /* Open drain is disabled */
                                         IOCON_PIO_OPENDRAIN_DI);
    /* PORT4 PIN11 (coords: A9) is configured as ENET_RXD0 */
    IOCON_PinMuxSet(IOCON, 4U, 11U, port4_pin11_config);

    const uint32_t port4_pin12_config = (/* Pin is configured as ENET_RXD1 */
                                         IOCON_PIO_FUNC1 |
                                         /* No addition pin function */
                                         IOCON_PIO_MODE_INACT |
                                         /* Input function is not inverted */
                                         IOCON_PIO_INV_DI |
                                         /* Enables digital function */
                                         IOCON_PIO_DIGITAL_EN |
                                         /* Input filter disabled */
                                         IOCON_PIO_INPFILT_OFF |
                                         /* Standard mode, output slew rate control is enabled */
                                         IOCON_PIO_SLEW_STANDARD |
                                         /* Open drain is disabled */
                                         IOCON_PIO_OPENDRAIN_DI);
    /* PORT4 PIN12 (coords: A6) is configured as ENET_RXD1 */
    IOCON_PinMuxSet(IOCON, 4U, 12U, port4_pin12_config);

    const uint32_t port4_pin13_config = (/* Pin is configured as ENET_TX_EN */
                                         IOCON_PIO_FUNC1 |
                                         /* No addition pin function */
                                         IOCON_PIO_MODE_INACT |
                                         /* Input function is not inverted */
                                         IOCON_PIO_INV_DI |
                                         /* Enables digital function */
                                         IOCON_PIO_DIGITAL_EN |
                                         /* Input filter disabled */
                                         IOCON_PIO_INPFILT_OFF |
                                         /* Standard mode, output slew rate control is enabled */
                                         IOCON_PIO_SLEW_STANDARD |
                                         /* Open drain is disabled */
                                         IOCON_PIO_OPENDRAIN_DI);
    /* PORT4 PIN13 (coords: B6) is configured as ENET_TX_EN */
    IOCON_PinMuxSet(IOCON, 4U, 13U, port4_pin13_config);

    const uint32_t port4_pin14_config = (/* Pin is configured as ENET_RX_CLK */
                                         IOCON_PIO_FUNC1 |
                                         /* No addition pin function */
                                         IOCON_PIO_MODE_INACT |
                                         /* Input function is not inverted */
                                         IOCON_PIO_INV_DI |
                                         /* Enables digital function */
                                         IOCON_PIO_DIGITAL_EN |
                                         /* Input filter disabled */
                                         IOCON_PIO_INPFILT_OFF |
                                         /* Standard mode, output slew rate control is enabled */
                                         IOCON_PIO_SLEW_STANDARD |
                                         /* Open drain is disabled */
                                         IOCON_PIO_OPENDRAIN_DI);
    /* PORT4 PIN14 (coords: B5) is configured as ENET_RX_CLK */
    IOCON_PinMuxSet(IOCON, 4U, 14U, port4_pin14_config);

    const uint32_t port4_pin15_config = (/* Pin is configured as ENET_MDC */
                                         IOCON_PIO_FUNC1 |
                                         /* No addition pin function */
                                         IOCON_PIO_MODE_INACT |
                                         /* Input function is not inverted */
                                         IOCON_PIO_INV_DI |
                                         /* Enables digital function */
                                         IOCON_PIO_DIGITAL_EN |
                                         /* Input filter disabled */
                                         IOCON_PIO_INPFILT_OFF |
                                         /* Standard mode, output slew rate control is enabled */
                                         IOCON_PIO_SLEW_STANDARD |
                                         /* Open drain is disabled */
                                         IOCON_PIO_OPENDRAIN_DI);
    /* PORT4 PIN15 (coords: A4) is configured as ENET_MDC */
    IOCON_PinMuxSet(IOCON, 4U, 15U, port4_pin15_config);

    const uint32_t port4_pin16_config = (/* Pin is configured as ENET_MDIO */
                                         IOCON_PIO_FUNC1 |
                                         /* No addition pin function */
                                         IOCON_PIO_MODE_INACT |
                                         /* Input function is not inverted */
                                         IOCON_PIO_INV_DI |
                                         /* Enables digital function */
                                         IOCON_PIO_DIGITAL_EN |
                                         /* Input filter disabled */
                                         IOCON_PIO_INPFILT_OFF |
                                         /* Standard mode, output slew rate control is enabled */
                                         IOCON_PIO_SLEW_STANDARD |
                                         /* Open drain is disabled */
                                         IOCON_PIO_OPENDRAIN_DI);
    /* PORT4 PIN16 (coords: C4) is configured as ENET_MDIO */
    IOCON_PinMuxSet(IOCON, 4U, 16U, port4_pin16_config);

    const uint32_t port4_pin8_config = (/* Pin is configured as ENET_TXD0 */
                                        IOCON_PIO_FUNC1 |
                                        /* No addition pin function */
                                        IOCON_PIO_MODE_INACT |
                                        /* Input function is not inverted */
                                        IOCON_PIO_INV_DI |
                                        /* Enables digital function */
                                        IOCON_PIO_DIGITAL_EN |
                                        /* Input filter disabled */
                                        IOCON_PIO_INPFILT_OFF |
                                        /* Standard mode, output slew rate control is enabled */
                                        IOCON_PIO_SLEW_STANDARD |
                                        /* Open drain is disabled */
                                        IOCON_PIO_OPENDRAIN_DI);
    /* PORT4 PIN8 (coords: B14) is configured as ENET_TXD0 */
    IOCON_PinMuxSet(IOCON, 4U, 8U, port4_pin8_config);
}