|  | /* | 
|  | * 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 | 
|  |  | 
|  | /* 1000BT status */ | 
|  | #define MII_1000BASETSTATUS	0x0a | 
|  | #define LPA_1000FULL		0x0400 | 
|  | #define LPA_1000HALF		0x0200 | 
|  |  | 
|  | /* 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 | 
|  |  | 
|  | /* 88E1111 PHY Register */ | 
|  | #define MII_M1111_PHY_EXT_CR            0x14 | 
|  | #define MII_M1111_RX_DELAY              0x80 | 
|  | #define MII_M1111_TX_DELAY              0x2 | 
|  | #define MII_M1111_PHY_EXT_SR            0x1b | 
|  | #define MII_M1111_HWCFG_MODE_MASK       0xf | 
|  | #define MII_M1111_HWCFG_MODE_RGMII      0xb | 
|  |  | 
|  | #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 *uec_get_phy_info (struct uec_mii_info *mii_info); | 
|  | void uec_write_phy_reg (struct eth_device *dev, int mii_id, int regnum, | 
|  | int value); | 
|  | int uec_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__ */ |