Esempio n. 1
0
static int bcm7xxx_28nm_e0_plus_afe_config_init(struct phy_device *phydev)
{
	/* AFE_RXCONFIG_1, provide more margin for INL/DNL measurement */
	bcm_phy_write_misc(phydev, AFE_RXCONFIG_1, 0x9b2f);

	/* AFE_TX_CONFIG, set 100BT Cfeed=011 to improve rise/fall time */
	bcm_phy_write_misc(phydev, AFE_TX_CONFIG, 0x431);

	/* AFE_VDCA_ICTRL_0, set Iq=1101 instead of 0111 for AB symmetry */
	bcm_phy_write_misc(phydev, AFE_VDCA_ICTRL_0, 0xa7da);

	/* AFE_HPF_TRIM_OTHERS, set 100Tx/10BT to -4.5% swing and set rCal
	 * offset for HT=0 code
	 */
	bcm_phy_write_misc(phydev, AFE_HPF_TRIM_OTHERS, 0x00e3);

	/* CORE_BASE1E, force trim to overwrite and set I_ext trim to 0000 */
	phy_write(phydev, MII_BRCM_CORE_BASE1E, 0x0010);

	/* DSP_TAP10, adjust bias current trim (+0% swing, +0 tick) */
	bcm_phy_write_misc(phydev, DSP_TAP10, 0x011b);

	/* Reset R_CAL/RC_CAL engine */
	r_rc_cal_reset(phydev);

	return 0;
}
Esempio n. 2
0
static int bcm_cygnus_afe_config(struct phy_device *phydev)
{
	int rc;

	/* ensure smdspclk is enabled */
	rc = phy_write(phydev, MII_BCM54XX_AUX_CTL, 0x0c30);
	if (rc < 0)
		return rc;

	/* AFE_VDAC_ICTRL_0 bit 7:4 Iq=1100 for 1g 10bt, normal modes */
	rc = bcm_phy_write_misc(phydev, 0x39, 0x01, 0xA7C8);
	if (rc < 0)
		return rc;

	/* AFE_HPF_TRIM_OTHERS bit11=1, short cascode enable for all modes*/
	rc = bcm_phy_write_misc(phydev, 0x3A, 0x00, 0x0803);
	if (rc < 0)
		return rc;

	/* AFE_TX_CONFIG_1 bit 7:4 Iq=1100 for test modes */
	rc = bcm_phy_write_misc(phydev, 0x3A, 0x01, 0xA740);
	if (rc < 0)
		return rc;

	/* AFE TEMPSEN_OTHERS rcal_HT, rcal_LT 10000 */
	rc = bcm_phy_write_misc(phydev, 0x3A, 0x03, 0x8400);
	if (rc < 0)
		return rc;

	/* AFE_FUTURE_RSV bit 2:0 rccal <2:0>=100 */
	rc = bcm_phy_write_misc(phydev, 0x3B, 0x00, 0x0004);
	if (rc < 0)
		return rc;

	/* Adjust bias current trim to overcome digital offSet */
	rc = phy_write(phydev, MII_BRCM_CORE_BASE1E, 0x02);
	if (rc < 0)
		return rc;

	/* make rcal=100, since rdb default is 000 */
	rc = bcm_phy_write_exp(phydev, MII_BRCM_CORE_EXPB1, 0x10);
	if (rc < 0)
		return rc;

	/* CORE_EXPB0, Reset R_CAL/RC_CAL Engine */
	rc = bcm_phy_write_exp(phydev, MII_BRCM_CORE_EXPB0, 0x10);
	if (rc < 0)
		return rc;

	/* CORE_EXPB0, Disable Reset R_CAL/RC_CAL Engine */
	rc = bcm_phy_write_exp(phydev, MII_BRCM_CORE_EXPB0, 0x00);

	return 0;
}
Esempio n. 3
0
static int bcm7xxx_28nm_b0_afe_config_init(struct phy_device *phydev)
{
	/* Increase VCO range to prevent unlocking problem of PLL at low
	 * temp
	 */
	bcm_phy_write_misc(phydev, PLL_PLLCTRL_1, 0x0048);

	/* Change Ki to 011 */
	bcm_phy_write_misc(phydev, PLL_PLLCTRL_2, 0x021b);

	/* Disable loading of TVCO buffer to bandgap, set bandgap trim
	 * to 111
	 */
	bcm_phy_write_misc(phydev, PLL_PLLCTRL_4, 0x0e20);

	/* Adjust bias current trim by -3 */
	bcm_phy_write_misc(phydev, DSP_TAP10, 0x690b);

	/* Switch to CORE_BASE1E */
	phy_write(phydev, MII_BRCM_CORE_BASE1E, 0xd);

	r_rc_cal_reset(phydev);

	/* write AFE_RXCONFIG_0 */
	bcm_phy_write_misc(phydev, AFE_RXCONFIG_0, 0xeb19);

	/* write AFE_RXCONFIG_1 */
	bcm_phy_write_misc(phydev, AFE_RXCONFIG_1, 0x9a3f);

	/* write AFE_RX_LP_COUNTER */
	bcm_phy_write_misc(phydev, AFE_RX_LP_COUNTER, 0x7fc0);

	/* write AFE_HPF_TRIM_OTHERS */
	bcm_phy_write_misc(phydev, AFE_HPF_TRIM_OTHERS, 0x000b);

	/* write AFTE_TX_CONFIG */
	bcm_phy_write_misc(phydev, AFE_TX_CONFIG, 0x0800);

	return 0;
}
Esempio n. 4
0
static int bcm7xxx_28nm_d0_afe_config_init(struct phy_device *phydev)
{
	/* AFE_RXCONFIG_0 */
	bcm_phy_write_misc(phydev, AFE_RXCONFIG_0, 0xeb15);

	/* AFE_RXCONFIG_1 */
	bcm_phy_write_misc(phydev, AFE_RXCONFIG_1, 0x9b2f);

	/* AFE_RXCONFIG_2, set rCal offset for HT=0 code and LT=-2 code */
	bcm_phy_write_misc(phydev, AFE_RXCONFIG_2, 0x2003);

	/* AFE_RX_LP_COUNTER, set RX bandwidth to maximum */
	bcm_phy_write_misc(phydev, AFE_RX_LP_COUNTER, 0x7fc0);

	/* AFE_TX_CONFIG, set 100BT Cfeed=011 to improve rise/fall time */
	bcm_phy_write_misc(phydev, AFE_TX_CONFIG, 0x431);

	/* AFE_VDCA_ICTRL_0, set Iq=1101 instead of 0111 for AB symmetry */
	bcm_phy_write_misc(phydev, AFE_VDCA_ICTRL_0, 0xa7da);

	/* AFE_VDAC_OTHERS_0, set 1000BT Cidac=010 for all ports */
	bcm_phy_write_misc(phydev, AFE_VDAC_OTHERS_0, 0xa020);

	/* AFE_HPF_TRIM_OTHERS, set 100Tx/10BT to -4.5% swing and set rCal
	 * offset for HT=0 code
	 */
	bcm_phy_write_misc(phydev, AFE_HPF_TRIM_OTHERS, 0x00e3);

	/* CORE_BASE1E, force trim to overwrite and set I_ext trim to 0000 */
	phy_write(phydev, MII_BRCM_CORE_BASE1E, 0x0010);

	/* DSP_TAP10, adjust bias current trim (+0% swing, +0 tick) */
	bcm_phy_write_misc(phydev, DSP_TAP10, 0x011b);

	/* Reset R_CAL/RC_CAL engine */
	r_rc_cal_reset(phydev);

	return 0;
}
Esempio n. 5
0
static int bcm7xxx_28nm_a0_patch_afe_config_init(struct phy_device *phydev)
{
	/* +1 RC_CAL codes for RL centering for both LT and HT conditions */
	bcm_phy_write_misc(phydev, AFE_RXCONFIG_2, 0xd003);

	/* Cut master bias current by 2% to compensate for RC_CAL offset */
	bcm_phy_write_misc(phydev, DSP_TAP10, 0x791b);

	/* Improve hybrid leakage */
	bcm_phy_write_misc(phydev, AFE_HPF_TRIM_OTHERS, 0x10e3);

	/* Change rx_on_tune 8 to 0xf */
	bcm_phy_write_misc(phydev, 0x21, 0x2, 0x87f6);

	/* Change 100Tx EEE bandwidth */
	bcm_phy_write_misc(phydev, 0x22, 0x2, 0x017d);

	/* Enable ffe zero detection for Vitesse interoperability */
	bcm_phy_write_misc(phydev, 0x26, 0x2, 0x0015);

	r_rc_cal_reset(phydev);

	return 0;
}