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Commit 9c41f2ba authored by Florian Fainelli's avatar Florian Fainelli Committed by David S. Miller
Browse files

net: phy: bcm7xxx: introduce r_rc_cal_reset helper 



This function performs a R/RC calibration reset and will start being
used by more than one function in the next patches, create a helper
function to factor code.

Signed-off-by: default avatarFlorian Fainelli <f.fainelli@gmail.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 2a9df742

drivers/net/phy/bcm7xxx.c

+10 −5
Original line number Diff line number Diff line
@@ -69,6 +69,15 @@ static void phy_write_misc(struct phy_device *phydev, 
	phy_write(phydev, MII_BCM54XX_EXP_DATA, value);

}



static void r_rc_cal_reset(struct phy_device *phydev)

{

	/* Reset R_CAL/RC_CAL Engine */

	phy_write_exp(phydev, 0x00b0, 0x0010);



	/* Disable Reset R_AL/RC_CAL Engine */

	phy_write_exp(phydev, 0x00b0, 0x0000);

}



static int bcm7xxx_28nm_b0_afe_config_init(struct phy_device *phydev)

{

	/* Increase VCO range to prevent unlocking problem of PLL at low
@@ -90,11 +99,7 @@ static int bcm7xxx_28nm_b0_afe_config_init(struct phy_device *phydev) 
	/* Switch to CORE_BASE1E */

	phy_write(phydev, MII_BCM7XXX_CORE_BASE1E, 0xd);



	/* Reset R_CAL/RC_CAL Engine */

	phy_write_exp(phydev, CORE_EXPB0, 0x0010);



	/* Disable Reset R_CAL/RC_CAL Engine */

	phy_write_exp(phydev, CORE_EXPB0, 0x0000);

	r_rc_cal_reset(phydev);



	/* write AFE_RXCONFIG_0 */

	phy_write_misc(phydev, AFE_RXCONFIG_0, 0xeb19);