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/* SPDX-License-Identifier: GPL-2.0 */
#ifndef __SUNGEM_PHY_H__
#define __SUNGEM_PHY_H__
struct mii_phy;
/* Operations supported by any kind of PHY */
struct mii_phy_ops
{
int (*init)(struct mii_phy *phy);
int (*suspend)(struct mii_phy *phy);
int (*setup_aneg)(struct mii_phy *phy, u32 advertise);
int (*setup_forced)(struct mii_phy *phy, int speed, int fd);
int (*poll_link)(struct mii_phy *phy);
int (*read_link)(struct mii_phy *phy);
int (*enable_fiber)(struct mii_phy *phy, int autoneg);
};
/* Structure used to statically define an mii/gii based PHY */
struct mii_phy_def
{
u32 phy_id; /* Concatenated ID1 << 16 | ID2 */
u32 phy_id_mask; /* Significant bits */
u32 features; /* Ethtool SUPPORTED_* defines */
int magic_aneg; /* Autoneg does all speed test for us */
const char* name;
const struct mii_phy_ops* ops;
};
enum {
BCM54XX_COPPER,
BCM54XX_FIBER,
BCM54XX_GBIC,
BCM54XX_SGMII,
BCM54XX_UNKNOWN,
};
/* An instance of a PHY, partially borrowed from mii_if_info */
struct mii_phy
{
struct mii_phy_def* def;
u32 advertising;
int mii_id;
/* 1: autoneg enabled, 0: disabled */
int autoneg;
/* forced speed & duplex (no autoneg)
* partner speed & duplex & pause (autoneg)
*/
int speed;
int duplex;
int pause;
/* Provided by host chip */
struct net_device *dev;
int (*mdio_read) (struct net_device *dev, int mii_id, int reg);
void (*mdio_write) (struct net_device *dev, int mii_id, int reg, int val);
void *platform_data;
};
/* Pass in a struct mii_phy with dev, mdio_read and mdio_write
* filled, the remaining fields will be filled on return
*/
extern int sungem_phy_probe(struct mii_phy *phy, int mii_id);
/* MII definitions missing from mii.h */
#define BMCR_SPD2 0x0040 /* Gigabit enable (bcm54xx) */
#define LPA_PAUSE 0x0400
/* More PHY registers (model specific) */
/* MII BCM5201 MULTIPHY interrupt register */
#define MII_BCM5201_INTERRUPT 0x1A
#define MII_BCM5201_INTERRUPT_INTENABLE 0x4000
#define MII_BCM5201_AUXMODE2 0x1B
#define MII_BCM5201_AUXMODE2_LOWPOWER 0x0008
#define MII_BCM5201_MULTIPHY 0x1E
/* MII BCM5201 MULTIPHY register bits */
#define MII_BCM5201_MULTIPHY_SERIALMODE 0x0002
#define MII_BCM5201_MULTIPHY_SUPERISOLATE 0x0008
/* MII BCM5221 Additional registers */
#define MII_BCM5221_TEST 0x1f
#define MII_BCM5221_TEST_ENABLE_SHADOWS 0x0080
#define MII_BCM5221_SHDOW_AUX_STAT2 0x1b
#define MII_BCM5221_SHDOW_AUX_STAT2_APD 0x0020
#define MII_BCM5221_SHDOW_AUX_MODE4 0x1a
#define MII_BCM5221_SHDOW_AUX_MODE4_IDDQMODE 0x0001
#define MII_BCM5221_SHDOW_AUX_MODE4_CLKLOPWR 0x0004
/* MII BCM5241 Additional registers */
#define MII_BCM5241_SHDOW_AUX_MODE4_STANDBYPWR 0x0008
/* MII BCM5400 1000-BASET Control register */
#define MII_BCM5400_GB_CONTROL 0x09
#define MII_BCM5400_GB_CONTROL_FULLDUPLEXCAP 0x0200
/* MII BCM5400 AUXCONTROL register */
#define MII_BCM5400_AUXCONTROL 0x18
#define MII_BCM5400_AUXCONTROL_PWR10BASET 0x0004
/* MII BCM5400 AUXSTATUS register */
#define MII_BCM5400_AUXSTATUS 0x19
#define MII_BCM5400_AUXSTATUS_LINKMODE_MASK 0x0700
#define MII_BCM5400_AUXSTATUS_LINKMODE_SHIFT 8
/* 1000BT control (Marvell & BCM54xx at least) */
#define MII_1000BASETCONTROL 0x09
#define MII_1000BASETCONTROL_FULLDUPLEXCAP 0x0200
#define MII_1000BASETCONTROL_HALFDUPLEXCAP 0x0100
/* Marvell 88E1011 PHY control */
#define MII_M1011_PHY_SPEC_CONTROL 0x10
#define MII_M1011_PHY_SPEC_CONTROL_MANUAL_MDIX 0x20
#define MII_M1011_PHY_SPEC_CONTROL_AUTO_MDIX 0x40
/* Marvell 88E1011 PHY status */
#define MII_M1011_PHY_SPEC_STATUS 0x11
#define MII_M1011_PHY_SPEC_STATUS_1000 0x8000
#define MII_M1011_PHY_SPEC_STATUS_100 0x4000
#define MII_M1011_PHY_SPEC_STATUS_SPD_MASK 0xc000
#define MII_M1011_PHY_SPEC_STATUS_FULLDUPLEX 0x2000
#define MII_M1011_PHY_SPEC_STATUS_RESOLVED 0x0800
#define MII_M1011_PHY_SPEC_STATUS_TX_PAUSE 0x0008
#define MII_M1011_PHY_SPEC_STATUS_RX_PAUSE 0x0004
#endif /* __SUNGEM_PHY_H__ */
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