| /* | |
| * Copyright (C) 2005, 2011 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 | |
| * | |
| * SPDX-License-Identifier: GPL-2.0+ | |
| */ | |
| #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 | |
| /* 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) | |
| /* 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__ */ |