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Commit c61a6a71 authored by Andrew Lunn's avatar Andrew Lunn Committed by David S. Miller
Browse files

net: dsa: mv88e6xxx: Implement the 6390 external MDIO bus 



With all the infrastructure in place, implement access to the external
MDIO bus on the 6390 family.

Signed-off-by: default avatarAndrew Lunn <andrew@lunn.ch>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent a3c53be5

drivers/net/dsa/mv88e6xxx/global2.c

+8 −0
Original line number Diff line number Diff line
@@ -506,8 +506,12 @@ int mv88e6xxx_g2_smi_phy_read(struct mv88e6xxx_chip *chip, 
			      int addr, int reg, u16 *val)

{

	u16 cmd = GLOBAL2_SMI_PHY_CMD_OP_22_READ_DATA | (addr << 5) | reg;

	struct mv88e6xxx_mdio_bus *mdio_bus = bus->priv;

	int err;



	if (mdio_bus->external)

		cmd |= GLOBAL2_SMI_PHY_CMD_EXTERNAL;



	err = mv88e6xxx_g2_smi_phy_wait(chip);

	if (err)

		return err;
@@ -524,8 +528,12 @@ int mv88e6xxx_g2_smi_phy_write(struct mv88e6xxx_chip *chip, 
			       int addr, int reg, u16 val)

{

	u16 cmd = GLOBAL2_SMI_PHY_CMD_OP_22_WRITE_DATA | (addr << 5) | reg;

	struct mv88e6xxx_mdio_bus *mdio_bus = bus->priv;

	int err;



	if (mdio_bus->external)

		cmd |= GLOBAL2_SMI_PHY_CMD_EXTERNAL;



	err = mv88e6xxx_g2_smi_phy_wait(chip);

	if (err)

		return err;

drivers/net/dsa/mv88e6xxx/mv88e6xxx.h

+1 −0
Original line number Diff line number Diff line
@@ -387,6 +387,7 @@ 
#define GLOBAL2_PTP_AVB_DATA	0x17

#define GLOBAL2_SMI_PHY_CMD			0x18

#define GLOBAL2_SMI_PHY_CMD_BUSY		BIT(15)

#define GLOBAL2_SMI_PHY_CMD_EXTERNAL		BIT(13)

#define GLOBAL2_SMI_PHY_CMD_MODE_22		BIT(12)

#define GLOBAL2_SMI_PHY_CMD_OP_22_WRITE_DATA	((0x1 << 10) | \

						 GLOBAL2_SMI_PHY_CMD_MODE_22 | \