/*
* Copyright (C) 2005 Freescale Semiconductor, Inc.
*
* Author: Shlomi Gridish <gridish@freescale.com>
*
* Description: UCC ethernet driver -- PHY handling
* Driver for UEC on QE
* Based on 8260_io/fcc_enet.c
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the
* Free Software Foundation; either version 2 of the License, or (at your
* option) any later version.
*
*/
#ifndef __UEC_PHY_H__
#define __UEC_PHY_H__
#define MII_end ((u32)-2)
#define MII_read ((u32)-1)
#define MIIMIND_BUSY 0x00000001
#define MIIMIND_NOTVALID 0x00000004
#define UGETH_AN_TIMEOUT 2000
/* 1000BT control (Marvell & BCM54xx at least) */
#define MII_1000BASETCONTROL 0x09
#define MII_1000BASETCONTROL_FULLDUPLEXCAP 0x0200
#define MII_1000BASETCONTROL_HALFDUPLEXCAP 0x0100
/* Cicada Extended Control Register 1 */
#define MII_CIS8201_EXT_CON1 0x17
#define MII_CIS8201_EXTCON1_INIT 0x0000
/* Cicada Interrupt Mask Register */
#define MII_CIS8201_IMASK 0x19
#define MII_CIS8201_IMASK_IEN 0x8000
#define MII_CIS8201_IMASK_SPEED 0x4000
#define MII_CIS8201_IMASK_LINK 0x2000
#define MII_CIS8201_IMASK_DUPLEX 0x1000
#define MII_CIS8201_IMASK_MASK 0xf000
/* Cicada Interrupt Status Register */
#define MII_CIS8201_ISTAT 0x1a
#define MII_CIS8201_ISTAT_STATUS 0x8000
#define MII_CIS8201_ISTAT_SPEED 0x4000
#define MII_CIS8201_ISTAT_LINK 0x2000
#define MII_CIS8201_ISTAT_DUPLEX 0x1000
/* Cicada Auxiliary Control/Status Register */
#define MII_CIS8201_AUX_CONSTAT 0x1c
#define MII_CIS8201_AUXCONSTAT_INIT 0x0004
#define MII_CIS8201_AUXCONSTAT_DUPLEX 0x0020
#define MII_CIS8201_AUXCONSTAT_SPEED 0x0018
#define MII_CIS8201_AUXCONSTAT_GBIT 0x0010
#define MII_CIS8201_AUXCONSTAT_100 0x0008
/* 88E1011 PHY Status Register */
#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_LINK 0x0400
#define MII_M1011_IEVENT 0x13
#define MII_M1011_IEVENT_CLEAR 0x0000
#define MII_M1011_IMASK 0x12
#define MII_M1011_IMASK_INIT 0x6400
#define MII_M1011_IMASK_CLEAR 0x0000
#define MII_DM9161_SCR 0x10
#define MII_DM9161_SCR_INIT 0x0610
#define MII_DM9161_SCR_RMII_INIT 0x0710
/* DM9161 Specified Configuration and Status Register */
#define MII_DM9161_SCSR 0x11
#define MII_DM9161_SCSR_100F 0x8000
#define MII_DM9161_SCSR_100H 0x4000
#define MII_DM9161_SCSR_10F 0x2000
#define MII_DM9161_SCSR_10H 0x1000
/* DM9161 Interrupt Register */
#define MII_DM9161_INTR 0x15
#define MII_DM9161_INTR_PEND 0x8000
#define MII_DM9161_INTR_DPLX_MASK 0x0800
#define MII_DM9161_INTR_SPD_MASK 0x0400
#define MII_DM9161_INTR_LINK_MASK 0x0200
#define MII_DM9161_INTR_MASK 0x0100
#define MII_DM9161_INTR_DPLX_CHANGE 0x0010
#define MII_DM9161_INTR_SPD_CHANGE 0x0008
#define MII_DM9161_INTR_LINK_CHANGE 0x0004
#define MII_DM9161_INTR_INIT 0x0000
#define MII_DM9161_INTR_STOP \
(MII_DM9161_INTR_DPLX_MASK | MII_DM9161_INTR_SPD_MASK \
| MII_DM9161_INTR_LINK_MASK | MII_DM9161_INTR_MASK)
/* DM9161 10BT Configuration/Status */
#define MII_DM9161_10BTCSR 0x12
#define MII_DM9161_10BTCSR_INIT 0x7800
#define MII_BASIC_FEATURES (SUPPORTED_10baseT_Half | \
SUPPORTED_10baseT_Full | \
SUPPORTED_100baseT_Half | \
SUPPORTED_100baseT_Full | \
SUPPORTED_Autoneg | \
SUPPORTED_TP | \
SUPPORTED_MII)
#define MII_GBIT_FEATURES (MII_BASIC_FEATURES | \
SUPPORTED_1000baseT_Half | \
SUPPORTED_1000baseT_Full)
#define MII_READ_COMMAND 0x00000001
#define MII_INTERRUPT_DISABLED 0x0
#define MII_INTERRUPT_ENABLED 0x1
#define SPEED_10 10
#define SPEED_100 100
#define SPEED_1000 1000
/* Duplex, half or full. */
#define DUPLEX_HALF 0x00
#define DUPLEX_FULL 0x01
/* Indicates what features are supported by the interface. */
#define SUPPORTED_10baseT_Half (1 << 0)
#define SUPPORTED_10baseT_Full (1 << 1)
#define SUPPORTED_100baseT_Half (1 << 2)
#define SUPPORTED_100baseT_Full (1 << 3)
#define SUPPORTED_1000baseT_Half (1 << 4)
#define SUPPORTED_1000baseT_Full (1 << 5)
#define SUPPORTED_Autoneg (1 << 6)
#define SUPPORTED_TP (1 << 7)
#define SUPPORTED_AUI (1 << 8)
#define SUPPORTED_MII (1 << 9)
#define SUPPORTED_FIBRE (1 << 10)
#define SUPPORTED_BNC (1 << 11)
#define SUPPORTED_10000baseT_Full (1 << 12)
#define ADVERTISED_10baseT_Half (1 << 0)
#define ADVERTISED_10baseT_Full (1 << 1)
#define ADVERTISED_100baseT_Half (1 << 2)
#define ADVERTISED_100baseT_Full (1 << 3)
#define ADVERTISED_1000baseT_Half (1 << 4)
#define ADVERTISED_1000baseT_Full (1 << 5)
#define ADVERTISED_Autoneg (1 << 6)
#define ADVERTISED_TP (1 << 7)
#define ADVERTISED_AUI (1 << 8)
#define ADVERTISED_MII (1 << 9)
#define ADVERTISED_FIBRE (1 << 10)
#define ADVERTISED_BNC (1 << 11)
#define ADVERTISED_10000baseT_Full (1 << 12)
/* Advertisement control register. */
#define ADVERTISE_SLCT 0x001f /* Selector bits */
#define ADVERTISE_CSMA 0x0001 /* Only selector supported */
#define ADVERTISE_10HALF 0x0020 /* Try for 10mbps half-duplex */
#define ADVERTISE_10FULL 0x0040 /* Try for 10mbps full-duplex */
#define ADVERTISE_100HALF 0x0080 /* Try for 100mbps half-duplex */
#define ADVERTISE_100FULL 0x0100 /* Try for 100mbps full-duplex */
#define ADVERTISE_100BASE4 0x0200 /* Try for 100mbps 4k packets */
#define ADVERTISE_RESV 0x1c00 /* Unused... */
#define ADVERTISE_RFAULT 0x2000 /* Say we can detect faults */
#define ADVERTISE_LPACK 0x4000 /* Ack link partners response */
#define ADVERTISE_NPAGE 0x8000 /* Next page bit */
#define ADVERTISE_FULL (ADVERTISE_100FULL | ADVERTISE_10FULL | \
ADVERTISE_CSMA)
#define ADVERTISE_ALL (ADVERTISE_10HALF | ADVERTISE_10FULL | \
ADVERTISE_100HALF | ADVERTISE_100FULL)
/* Taken from mii_if_info and sungem_phy.h */
struct uec_mii_info {
/* Information about the PHY type */
/* And management functions */
struct phy_info *phyinfo;
struct eth_device *dev;
/* forced speed & duplex (no autoneg)
* partner speed & duplex & pause (autoneg)
*/
int speed;
int duplex;
int pause;
/* The most recently read link state */
int link;
/* Enabled Interrupts */
u32 interrupts;
u32 advertising;
int autoneg;
int mii_id;
/* private data pointer */
/* For use by PHYs to maintain extra state */
void *priv;
/* Provided by ethernet driver */
int (*mdio_read) (struct eth_device *dev, int mii_id, int reg);
void (*mdio_write) (struct eth_device *dev, int mii_id, int reg, int val);
};
/* struct phy_info: a structure which defines attributes for a PHY
*
* id will contain a number which represents the PHY. During
* startup, the driver will poll the PHY to find out what its
* UID--as defined by registers 2 and 3--is. The 32-bit result
* gotten from the PHY will be ANDed with phy_id_mask to
* discard any bits which may change based on revision numbers
* unimportant to functionality
*
* There are 6 commands which take a ugeth_mii_info structure.
* Each PHY must declare config_aneg, and read_status.
*/
struct phy_info {
u32 phy_id;
char *name;
unsigned int phy_id_mask;
u32 features;
/* Called to initialize the PHY */
int (*init)(struct uec_mii_info *mii_info);
/* Called to suspend the PHY for power */
int (*suspend)(struct uec_mii_info *mii_info);
/* Reconfigures autonegotiation (or disables it) */
int (*config_aneg)(struct uec_mii_info *mii_info);
/* Determines the negotiated speed and duplex */
int (*read_status)(struct uec_mii_info *mii_info);
/* Clears any pending interrupts */
int (*ack_interrupt)(struct uec_mii_info *mii_info);
/* Enables or disables interrupts */
int (*config_intr)(struct uec_mii_info *mii_info);
/* Clears up any memory if needed */
void (*close)(struct uec_mii_info *mii_info);
};
struct phy_info *get_phy_info(struct uec_mii_info *mii_info);
void write_phy_reg(struct eth_device *dev, int mii_id, int regnum, int value);
int read_phy_reg(struct eth_device *dev, int mii_id, int regnum);
void mii_clear_phy_interrupt(struct uec_mii_info *mii_info);
void mii_configure_phy_interrupt(struct uec_mii_info *mii_info, u32 interrupts);
#endif /* __UEC_PHY_H__ */
