TWR-KV58F220M + TWR-SER = No connection

[john71]

I want to establish Ethernet connection in my project. Two boards connected with a tower rack.

First I configure related pins

  void BOARD_InitPins(void)
  {

    /* PORTA18 (pin 72) is configured as EXTAL0 */
    PORT_SetPinMux(PORTA, 18U, kPORT_PinDisabledOrAnalog);

    /* PORTE11 (pin 14) is configured as PTE11 - LEDR */
    PORT_SetPinMux(PORTE, 11U, kPORT_MuxAsGpio);

    /* PORTE12 (pin 15) is configured as PTE12 - LEDG */
    PORT_SetPinMux(PORTE, 12U, kPORT_MuxAsGpio);

    /* PORTE29 (pin 37) is configured as PTE29 - LEDB */
    PORT_SetPinMux(PORTE, 29U, kPORT_MuxAsGpio);

    /* PORTE30 (pin 38) is configured as PTE30 - LEDO */
    PORT_SetPinMux(PORTE, 30U, kPORT_MuxAsGpio);

    /* PORTA10 (pin 62) is configured as MII0_RXD2 */
    PORT_SetPinMux(PORTA, 10U, kPORT_MuxAlt5);

    /* PORTA11 (pin 63) is configured as MII0_RXCLK */
    PORT_SetPinMux(PORTA, 11U, kPORT_MuxAlt5);

    /* PORTA12 (pin 64) is configured as MII0_RXD1 */
    PORT_SetPinMux(PORTA, 12U, kPORT_MuxAlt5);

    /* PORTA13 (pin 65) is configured as MII0_RXD0 */
    PORT_SetPinMux(PORTA, 13U, kPORT_MuxAlt5);

    /* PORTA14 (pin 66) is configured as MII0_RXDV */
    PORT_SetPinMux(PORTA, 14U, kPORT_MuxAlt5);

    /* PORTA15 (pin 67) is configured as MII0_TXEN */
    PORT_SetPinMux(PORTA, 15U, kPORT_MuxAlt5);

    /* PORTA16 (pin 68) is configured as MII0_TXD0 */
    PORT_SetPinMux(PORTA, 16U, kPORT_MuxAlt5);

    /* PORTA17 (pin 69) is configured as MII0_TXD1 */
    PORT_SetPinMux(PORTA, 17U, kPORT_MuxAlt5);

    /* PORTA25 (pin 76) is configured as MII0_TXCLK */
    PORT_SetPinMux(PORTA, 25U, kPORT_MuxAlt5);

    /* PORTA26 (pin 77) is configured as MII0_TXD3 */
    PORT_SetPinMux(PORTA, 26U, kPORT_MuxAlt5);

    /* PORTA27 (pin 78) is configured as MII0_CRS */
    PORT_SetPinMux(PORTA, 27U, kPORT_MuxAlt5);

    /* PORTA28 (pin 79) is configured as MII0_TXER */
    PORT_SetPinMux(PORTA, 28U, kPORT_MuxAlt5);

    /* PORTA29 (pin 80) is configured as MII0_COL */
    PORT_SetPinMux(PORTA, 29U, kPORT_MuxAlt5);

    /* PORTA5 (pin 55) is configured as MII0_RXER */
    PORT_SetPinMux(PORTA, 5U, kPORT_MuxAlt4);

    const port_pin_config_t porta7_pin59_config = {/* Internal pull-up/down resistor is disabled */
                                                       kPORT_PullDisable,
                                                       /* Slow slew rate is configured */
                                                       kPORT_SlowSlewRate,
                                                       /* Passive filter is disabled */
                                                       kPORT_PassiveFilterDisable,
                                                       /* Open drain is enabled */
                                                       kPORT_OpenDrainEnable,
                                                       /* Low drive strength is configured */
                                                       kPORT_LowDriveStrength,
                                                       /* Pin is configured as MII0_MDIO */
                                                       kPORT_MuxAlt5,
                                                       /* Pin Control Register fields [15:0] are not locked */
                                                       kPORT_UnlockRegister};
    /* PORTA7 (pin 59) is configured as MII0_MDIO */
    PORT_SetPinConfig(PORTA, 7U, &porta7_pin59_config);

    /* PORTA8 (pin 60) is configured as MII0_MDC */
    PORT_SetPinMux(PORTA, 8U, kPORT_MuxAlt5);

    /* PORTA9 (pin 61) is configured as MII0_RXD3 */
    PORT_SetPinMux(PORTA, 9U, kPORT_MuxAlt5);

        /* PORTC16 (pin 123) is configured as ENET0_1588_TMR0 */
        PORT_SetPinMux(PORTC, 16U, kPORT_MuxAlt4);

        /* PORTC17 (pin 124) is configured as ENET0_1588_TMR1 */
        PORT_SetPinMux(PORTC, 17U, kPORT_MuxAlt4);

        /* PORTC18 (pin 125) is configured as ENET0_1588_TMR2 */
        PORT_SetPinMux(PORTC, 18U, kPORT_MuxAlt4);

        /* PORTC19 (pin 126) is configured as ENET0_1588_TMR3 */
        PORT_SetPinMux(PORTC, 19U, kPORT_MuxAlt4);
}

Then I try to configure the Phy on board (KSZ8041NL).

sysClock = CLOCK_GetFreq(kCLOCK_CoreSysClk);
status   = PHY_Init(ENET, 0, sysClock);

if(status != kStatus_Success)
{

    printf("PHY Error\n");

}

And I get an error. What do I miss?

I checked the PHY's clock it's OK 50 Mhz.

Inside PHY_Init I see

    CLOCK_EnableClock(s_enetClock[instance]);
    ENET_SetSMI(base, srcClock_Hz, false);

So I suppose ENET peripherial is configured for PHY communication.

But on PHY_Read(base, phyAddr, PHY_ID1_REG, &idReg) I fail.

May be the arguments phyAddr (0) , PHY_ID1_REG (2) are wrong? What should it be?

[kerryzhou]

Hi Evgeny Erenburg ,

  Do you refer to the KV58 SDK enet project:

\SDK_2.7.0_MKV58F1M0xxx24\boards\twrkv58f220m\driver_examples\enet\txrx_ptp1588_transfer

Then refer to the readme.txt to test it:

Hardware requirements
=====================
- Mini/micro USB cable
- Network cable RJ45 standard
- TWR-KV58F220M board
- TWR-SER board
- Personal Computer

Board settings
==============
MII mode setting in TWR-SERIAL board is :
RMII mode - J2 3-4 shunt on, J3 2-3 shunt on, J12 shunt on 9,10.
MII mode - J2 1-2 shunt on, J3 2-3 shunt on, J12 no shunt on.

Please try it on your side.

If you still have questions about it, please kindly let me know.

Kerry

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[john71]

Thank you. So what mode to choose - RMII or MII ?

[kerryzhou]

Hi Evgeny Erenburg,

  From the SDK enet project readme.txt, you can find:

Note, The RMII mode is used for default setting to initialize the ENET interface between MAC and the external PHY. you
can change it to MII mode as you wish. Please make sure the MII Mode setting in the MAC is synchronize to the setting
in TWR-SERIAL board for the external PHY.

Wish it helps you!

If you still have questions about it, please kindly let me know.

Kerry

-------------------------------------------------------------------------------
Note:
- If this post answers your question, please click the "Mark Correct" button. Thank you!

- We are following threads for 7 weeks after the last post, later replies are ignored
Please open a new thread and refer to the closed one, if you have a related question at a later point in time.
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