コード例 #1
0
int board_phy_config(struct phy_device *phydev)
{
	int ret;
	/*
	 * These skew settings for the KSZ9021 ethernet phy is required for ethernet
	 * to work reliably on most flavors of cyclone5 boards.
	 */
	ret = ksz9021_phy_extended_write(phydev,
					 MII_KSZ9021_EXT_RGMII_RX_DATA_SKEW,
					 0x0);
	if (ret)
		return ret;

	ret = ksz9021_phy_extended_write(phydev,
					 MII_KSZ9021_EXT_RGMII_TX_DATA_SKEW,
					 0x0);
	if (ret)
		return ret;

	ret = ksz9021_phy_extended_write(phydev,
					 MII_KSZ9021_EXT_RGMII_CLOCK_SKEW,
					 0xf0f0);
	if (ret)
		return ret;

	if (phydev->drv->config)
		return phydev->drv->config(phydev);

	return 0;
}
コード例 #2
0
ファイル: micrel.c プロジェクト: advx9600/kernel-4.4-RuiEr
static int ksz9021_config_init(struct phy_device *phydev)
{
	u16 val;

	/* clock and control data pad skew - register = 0x104 */
	val = (0x0 << MII_KSZ9021_EXT_RGMII_RXC_SHIFT)
		| (0x0 << MII_KSZ9021_EXT_RGMII_RX_DV_SHIFT)
		| (0x7 << MII_KSZ9021_EXT_RGMII_TXC_SHIFT)
		| (0x7 << MII_KSZ9021_EXT_RGMII_TX_EN_SHIFT);
	ksz9021_phy_extended_write(phydev, MII_KSZ9021_EXT_RGMII_CLOCK_SKEW, val);
	/* rx data pad skew - register = 0x105 */
	val = (0x0 << MII_KSZ90x1_EXT_RGMII_RX3_SHIFT)
		| (0x0 << MII_KSZ90x1_EXT_RGMII_RX2_SHIFT)
		| (0x0 << MII_KSZ90x1_EXT_RGMII_RX1_SHIFT)
		| (0x0 << MII_KSZ90x1_EXT_RGMII_RX0_SHIFT);
	ksz9021_phy_extended_write(phydev, MII_KSZ9021_EXT_RGMII_RX_DATA_SKEW, val);
	/* tx data pad skew - register = 0x106 */
	val = (0x7 << MII_KSZ90x1_EXT_RGMII_TX3_SHIFT)
		| (0x7 << MII_KSZ90x1_EXT_RGMII_TX2_SHIFT)
		| (0x7 << MII_KSZ90x1_EXT_RGMII_TX1_SHIFT)
		| (0x7 << MII_KSZ90x1_EXT_RGMII_TX0_SHIFT);
	ksz9021_phy_extended_write(phydev, MII_KSZ9021_EXT_RGMII_TX_DATA_SKEW, val);

	return 0;
}
コード例 #3
0
int board_phy_config(struct phy_device *phydev)
{
	/* min rx data delay */
	ksz9021_phy_extended_write(phydev,
			MII_KSZ9021_EXT_RGMII_RX_DATA_SKEW, 0x0);
	/* min tx data delay */
	ksz9021_phy_extended_write(phydev,
			MII_KSZ9021_EXT_RGMII_TX_DATA_SKEW, 0x0);
	/* max rx/tx clock delay, min rx/tx control */
	ksz9021_phy_extended_write(phydev,
			MII_KSZ9021_EXT_RGMII_CLOCK_SKEW, 0xf0f0);
	if (phydev->drv->config)
		phydev->drv->config(phydev);

	return 0;
}
コード例 #4
0
ファイル: sama5d3xek.c プロジェクト: Philippe12/u-boot-sunxi
int board_phy_config(struct phy_device *phydev)
{
	/* board specific timings for GMAC */
	if (has_gmac()) {
		/* rx data delay */
		ksz9021_phy_extended_write(phydev,
					   MII_KSZ9021_EXT_RGMII_RX_DATA_SKEW,
					   0x2222);
		/* tx data delay */
		ksz9021_phy_extended_write(phydev,
					   MII_KSZ9021_EXT_RGMII_TX_DATA_SKEW,
					   0x2222);
		/* rx/tx clock delay */
		ksz9021_phy_extended_write(phydev,
					   MII_KSZ9021_EXT_RGMII_CLOCK_SKEW,
					   0xf2f4);
	}

	/* always run the PHY's config routine */
	if (phydev->drv->config)
		return phydev->drv->config(phydev);

	return 0;
}
コード例 #5
0
ファイル: fec_mxc.c プロジェクト: seL4/util_libs
int fec_init(unsigned phy_mask, struct enet* enet)
{
	struct eth_device *edev;
    struct phy_device *phydev;
	struct mii_dev *bus;
	int ret = 0;
    struct eth_device _eth;
	/* create and fill edev struct */
	edev = &_eth;
	memset(edev, 0, sizeof(*edev));

	edev->priv = (void*)enet;
	edev->write_hwaddr = NULL;

    /* Alocate the mdio bus */
	bus = mdio_alloc();
	if (!bus) {
		return -1;
	}
	bus->read = fec_phy_read;
	bus->write = fec_phy_write;
	bus->priv = enet;
	strcpy(bus->name, edev->name);
	ret = mdio_register(bus);
	if (ret) {
		free(bus);
		return -1;
	}

    /****** Configure phy ******/
    phydev = phy_connect_by_mask(bus, phy_mask, edev, PHY_INTERFACE_MODE_RGMII);
    if (!phydev) {
        return -1;
    }

    /* min rx data delay */
    ksz9021_phy_extended_write(phydev, MII_KSZ9021_EXT_RGMII_RX_DATA_SKEW, 0x0);
    /* min tx data delay */
    ksz9021_phy_extended_write(phydev, MII_KSZ9021_EXT_RGMII_TX_DATA_SKEW, 0x0);
    /* max rx/tx clock delay, min rx/tx control */
    ksz9021_phy_extended_write(phydev, MII_KSZ9021_EXT_RGMII_CLOCK_SKEW, 0xf0f0);
    ksz9021_config(phydev);

	/* Start up the PHY */
	ret = ksz9021_startup(phydev);
	if (ret) {
		printf("Could not initialize PHY %s\n", phydev->dev->name);
		return ret;
	}

    printf("\n  * Link speed: %4i Mbps, ", phydev->speed);
    if(phydev->duplex == DUPLEX_FULL){
        enet_set_speed(enet, phydev->speed, 1);
        printf("full-duplex *\n");
    }else{
        enet_set_speed(enet, phydev->speed, 0);
        printf("half-duplex *\n");
    }

    udelay(100000);
    return 0;
}
コード例 #6
0
ファイル: micrel.c プロジェクト: AnAtom/u-boot-sunxi
static int ksz9021_phy_extwrite(struct phy_device *phydev, int addr,
			       int devaddr, int regnum, u16 val)
{
	return ksz9021_phy_extended_write(phydev, regnum, val);
}