/* * Copyright (C) Freescale Semicondutor, Inc. 2006. All rights reserved. * * Author: Shlomi Gridish * * Description: * UCC GETH Driver -- PHY handling * * Changelog: * Jun 28, 2006 Li Yang * - Rearrange code and style fixes * * 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 __UCC_GETH_PHY_H__ #define __UCC_GETH_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 /* 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 /* Taken from mii_if_info and sungem_phy.h */ struct ugeth_mii_info { /* Information about the PHY type */ /* And management functions */ struct phy_info *phyinfo; struct ucc_mii_mng *mii_regs; /* 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 host chip */ struct net_device *dev; /* A lock to ensure that only one thing can read/write * the MDIO bus at a time */ spinlock_t mdio_lock; /* Provided by ethernet driver */ 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); }; /* 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 ugeth_mii_info * mii_info); /* Called to suspend the PHY for power */ int (*suspend) (struct ugeth_mii_info * mii_info); /* Reconfigures autonegotiation (or disables it) */ int (*config_aneg) (struct ugeth_mii_info * mii_info); /* Determines the negotiated speed and duplex */ int (*read_status) (struct ugeth_mii_info * mii_info); /* Clears any pending interrupts */ int (*ack_interrupt) (struct ugeth_mii_info * mii_info); /* Enables or disables interrupts */ int (*config_intr) (struct ugeth_mii_info * mii_info); /* Clears up any memory if needed */ void (*close) (struct ugeth_mii_info * mii_info); }; struct phy_info *get_phy_info(struct ugeth_mii_info *mii_info); void write_phy_reg(struct net_device *dev, int mii_id, int regnum, int value); int read_phy_reg(struct net_device *dev, int mii_id, int regnum); void mii_clear_phy_interrupt(struct ugeth_mii_info *mii_info); void mii_configure_phy_interrupt(struct ugeth_mii_info *mii_info, u32 interrupts); struct dm9161_private { struct timer_list timer; int resetdone; }; #endif /* __UCC_GETH_PHY_H__ */