C++ (Cpp) gen_get_link_speedの例

コード例 #1

ファイル: davinci_emac.c プロジェクト: OpenNoah/u-boot

/* PHY functions for a generic PHY */
static int gen_init_phy(int phy_addr)
{
	int	ret = 1;

	if (gen_get_link_speed(phy_addr)) {
		/* Try another time */
		ret = gen_get_link_speed(phy_addr);
	}

	return(ret);
}

コード例 #2

ファイル: davinci_emac.c プロジェクト: OpenNoah/u-boot

static int gen_auto_negotiate(int phy_addr)
{
	u_int16_t	tmp;
	u_int16_t	val;
	unsigned long	cntr = 0;

	if (!davinci_eth_phy_read(phy_addr, MII_BMCR, &tmp))
		return 0;

	val = tmp | BMCR_FULLDPLX | BMCR_ANENABLE |
						BMCR_SPEED100;
	davinci_eth_phy_write(phy_addr, MII_BMCR, val);

	if (!davinci_eth_phy_read(phy_addr, MII_ADVERTISE, &val))
		return 0;

	val |= (ADVERTISE_100FULL | ADVERTISE_100HALF | ADVERTISE_10FULL |
							ADVERTISE_10HALF);
	davinci_eth_phy_write(phy_addr, MII_ADVERTISE, val);

	if (!davinci_eth_phy_read(phy_addr, MII_BMCR, &tmp))
		return(0);

#ifdef DAVINCI_EMAC_GIG_ENABLE
	davinci_eth_phy_read(phy_addr, MII_CTRL1000, &val);
	val |= PHY_1000BTCR_1000FD;
	val &= ~PHY_1000BTCR_1000HD;
	davinci_eth_phy_write(phy_addr, MII_CTRL1000, val);
	davinci_eth_phy_read(phy_addr, MII_CTRL1000, &val);
#endif

	/* Restart Auto_negotiation  */
	tmp |= BMCR_ANRESTART;
	davinci_eth_phy_write(phy_addr, MII_BMCR, tmp);

	/*check AutoNegotiate complete */
	do {
		udelay(40000);
		if (!davinci_eth_phy_read(phy_addr, MII_BMSR, &tmp))
			return 0;

		if (tmp & BMSR_ANEGCOMPLETE)
			break;

		cntr++;
	} while (cntr < 200);

	if (!davinci_eth_phy_read(phy_addr, MII_BMSR, &tmp))
		return(0);

	if (!(tmp & BMSR_ANEGCOMPLETE))
		return(0);

	return(gen_get_link_speed(phy_addr));
}

コード例 #3

ファイル: davinci_emac.c プロジェクト: craneboard/craneboard-uboot

static int gen_auto_negotiate(int phy_addr)
{
	u_int16_t	tmp;
	u_int16_t	val;
	unsigned int cntr = 0;

	if (!davinci_eth_phy_read(phy_addr, PHY_BMCR, &tmp))
		return(0);

	val = tmp | PHY_BMCR_DPLX | PHY_BMCR_AUTON
		| PHY_BMCR_100MB ;
	davinci_eth_phy_write(phy_addr, PHY_BMCR, val);
	davinci_eth_phy_read(phy_addr, PHY_BMCR, &val);

	/* advertise 100 Full Duplex */
	davinci_eth_phy_read(phy_addr,PHY_ANAR, &val);
	val |= (PHY_ANLPAR_10 | PHY_ANLPAR_10FD | PHY_ANLPAR_TX
		| PHY_ANLPAR_TXFD);
	davinci_eth_phy_write(phy_addr,PHY_ANAR, val);
	davinci_eth_phy_read(phy_addr,PHY_ANAR, &val);

	davinci_eth_phy_read(phy_addr, PHY_BMCR, &tmp);

	/* Restart Auto_negotiation  */
	tmp |= PHY_BMCR_AUTON;
	davinci_eth_phy_write(phy_addr, PHY_BMCR, tmp);

	/*check AutoNegotiate complete - it can take upto 3 secs*/
	do{
		udelay(40000);
		cntr++;

		if (davinci_eth_phy_read(phy_addr, PHY_BMSR, &tmp)){
			if(tmp & PHY_BMSR_AUTN_COMP)
				break;
		}

	}while(cntr < 250);

	if (!davinci_eth_phy_read(phy_addr, PHY_BMSR, &tmp))
		return(0);

	if (!(tmp & PHY_BMSR_AUTN_COMP))
		return(0);

	return(gen_get_link_speed(phy_addr));
}

コード例 #4

ファイル: davinci_emac.c プロジェクト: eagafonov/v2r_uboot

static int gen_auto_negotiate(int phy_addr)
{
	u_int16_t	tmp;

	if (!davinci_eth_phy_read(phy_addr, PHY_BMCR, &tmp))
		return(0);

	/* Restart Auto_negotiation  */
	tmp |= PHY_BMCR_AUTON;
	davinci_eth_phy_write(phy_addr, PHY_BMCR, tmp);

	/*check AutoNegotiate complete */
	udelay (10000);
	if (!davinci_eth_phy_read(phy_addr, PHY_BMSR, &tmp))
		return(0);

	if (!(tmp & PHY_BMSR_AUTN_COMP))
		return(0);

	return(gen_get_link_speed(phy_addr));
}