From c61a6a71e7a48ff3a8714a93b9d4f6caa67990b1 Mon Sep 17 00:00:00 2001 From: Andrew Lunn Date: Tue, 24 Jan 2017 14:53:51 +0100 Subject: [PATCH] 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: Andrew Lunn Signed-off-by: David S. Miller --- drivers/net/dsa/mv88e6xxx/global2.c | 8 ++++++++ drivers/net/dsa/mv88e6xxx/mv88e6xxx.h | 1 + 2 files changed, 9 insertions(+) diff --git a/drivers/net/dsa/mv88e6xxx/global2.c b/drivers/net/dsa/mv88e6xxx/global2.c index 1f9a12a..353e26b 100644 --- a/drivers/net/dsa/mv88e6xxx/global2.c +++ b/drivers/net/dsa/mv88e6xxx/global2.c @@ -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; diff --git a/drivers/net/dsa/mv88e6xxx/mv88e6xxx.h b/drivers/net/dsa/mv88e6xxx/mv88e6xxx.h index 7d24add..572d585 100644 --- a/drivers/net/dsa/mv88e6xxx/mv88e6xxx.h +++ b/drivers/net/dsa/mv88e6xxx/mv88e6xxx.h @@ -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 | \ -- 2.7.4