uboot-phytec

// SPDX-License-Identifier: GPL-2.0+

/*

 * Faraday FTMAC100 Ethernet

 *

 * (C) Copyright 2009 Faraday Technology

 * Po-Yu Chuang <ratbert@faraday-tech.com>

 */

​

#include <config.h>

#include <common.h>

#include <malloc.h>

#include <net.h>

#include <linux/io.h>

​

#include "ftmac100.h"

#ifdef CONFIG_DM_ETH

#include <dm.h>

DECLARE_GLOBAL_DATA_PTR;

#endif

#define ETH_ZLEN    60

​

struct ftmac100_data {

    struct ftmac100_txdes txdes[1];

    struct ftmac100_rxdes rxdes[PKTBUFSRX];

    int rx_index;

    const char *name;

    phys_addr_t iobase;

};

​

/*

 * Reset MAC

 */

static void ftmac100_reset(struct ftmac100_data *priv)

{

    struct ftmac100 *ftmac100 = (struct ftmac100 *)priv->iobase;

​

    debug ("%s()\n", __func__);

​

    writel (FTMAC100_MACCR_SW_RST, &ftmac100->maccr);

​

    while (readl (&ftmac100->maccr) & FTMAC100_MACCR_SW_RST)

        mdelay(1);

    /*

     * When soft reset complete, write mac address immediately maybe fail somehow

     *  Wait for a while can avoid this problem

     */

    mdelay(1);

}

​

/*

 * Set MAC address

 */

static void ftmac100_set_mac(struct ftmac100_data *priv ,

    const unsigned char *mac)

{

    struct ftmac100 *ftmac100 = (struct ftmac100 *)priv->iobase;

    unsigned int maddr = mac[0] << 8 | mac[1];

    unsigned int laddr = mac[2] << 24 | mac[3] << 16 | mac[4] << 8 | mac[5];

​

    debug ("%s(%x %x)\n", __func__, maddr, laddr);

​

    writel (maddr, &ftmac100->mac_madr);

    writel (laddr, &ftmac100->mac_ladr);