| /* SPDX-License-Identifier: GPL-2.0+ */ |
| /* |
| * 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 |
| */ |
| #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__ */ |
