mii.h

/*
 * Copyright (c) 2022-2023 Qualcomm Innovation Center, Inc. All Rights Reserved.
 * Author: GreenSocs 2022
 *
 * SPDX-License-Identifier: BSD-3-Clause
 */
 
#ifndef _MII_H_
#define _MII_H_
 
/* Generic MII registers. */
#define MII_BMCR        0x00 /* Basic mode control register */
#define MII_BMSR        0x01 /* Basic mode status register  */
#define MII_PHYSID1     0x02 /* PHYS ID 1                   */
#define MII_PHYSID2     0x03 /* PHYS ID 2                   */
#define MII_ADVERTISE   0x04 /* Advertisement control reg   */
#define MII_LPA         0x05 /* Link partner ability reg    */
#define MII_EXPANSION   0x06 /* Expansion register          */
#define MII_CTRL1000    0x09 /* 1000BASE-T control          */
#define MII_STAT1000    0x0a /* 1000BASE-T status           */
#define MII_MMD_CTRL    0x0d /* MMD Access Control Register */
#define MII_MMD_DATA    0x0e /* MMD Access Data Register */
#define MII_ESTATUS     0x0f /* Extended Status             */
#define MII_DCOUNTER    0x12 /* Disconnect counter          */
#define MII_FCSCOUNTER  0x13 /* False carrier counter       */
#define MII_NWAYTEST    0x14 /* N-way auto-neg test reg     */
#define MII_RERRCOUNTER 0x15 /* Receive error counter       */
#define MII_SREVISION   0x16 /* Silicon revision            */
#define MII_RESV1       0x17 /* Reserved...                 */
#define MII_LBRERROR    0x18 /* Lpback, rx, bypass error    */
#define MII_PHYADDR     0x19 /* PHY address                 */
#define MII_RESV2       0x1a /* Reserved...                 */
#define MII_TPISTATUS   0x1b /* TPI status for 10mbps       */
#define MII_NCONFIG     0x1c /* Network interface config    */
 
/* Basic mode control register. */
#define BMCR_RESV      0x003f /* Unused...                   */
#define BMCR_SPEED1000 0x0040 /* MSB of Speed (1000)         */
#define BMCR_CTST      0x0080 /* Collision test              */
#define BMCR_FULLDPLX  0x0100 /* Full duplex                 */
#define BMCR_ANRESTART 0x0200 /* Auto negotiation restart    */
#define BMCR_ISOLATE   0x0400 /* Isolate data paths from MII */
#define BMCR_PDOWN     0x0800 /* Enable low power state      */
#define BMCR_ANENABLE  0x1000 /* Enable auto negotiation     */
#define BMCR_SPEED100  0x2000 /* Select 100Mbps              */
#define BMCR_LOOPBACK  0x4000 /* TXD loopback bits           */
#define BMCR_RESET     0x8000 /* Reset to default state      */
 
/* Basic mode status register. */
#define BMSR_ERCAP        0x0001 /* Ext-reg capability          */
#define BMSR_JCD          0x0002 /* Jabber detected             */
#define BMSR_LSTATUS      0x0004 /* Link status                 */
#define BMSR_ANEGCAPABLE  0x0008 /* Able to do auto-negotiation */
#define BMSR_RFAULT       0x0010 /* Remote fault detected       */
#define BMSR_ANEGCOMPLETE 0x0020 /* Auto-negotiation complete   */
#define BMSR_RESV         0x00c0 /* Unused...                   */
#define BMSR_ESTATEN      0x0100 /* Extended Status in R15      */
#define BMSR_100HALF2     0x0200 /* Can do 100BASE-T2 HDX       */
#define BMSR_100FULL2     0x0400 /* Can do 100BASE-T2 FDX       */
#define BMSR_10HALF       0x0800 /* Can do 10mbps, half-duplex  */
#define BMSR_10FULL       0x1000 /* Can do 10mbps, full-duplex  */
#define BMSR_100HALF      0x2000 /* Can do 100mbps, half-duplex */
#define BMSR_100FULL      0x4000 /* Can do 100mbps, full-duplex */
#define BMSR_100BASE4     0x8000 /* Can do 100mbps, 4k packets  */
 
/* 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_1000XFULL     0x0020 /* Try for 1000BASE-X full-duplex */
#define ADVERTISE_10FULL        0x0040 /* Try for 10mbps full-duplex  */
#define ADVERTISE_1000XHALF     0x0040 /* Try for 1000BASE-X half-duplex */
#define ADVERTISE_100HALF       0x0080 /* Try for 100mbps half-duplex */
#define ADVERTISE_1000XPAUSE    0x0080 /* Try for 1000BASE-X pause    */
#define ADVERTISE_100FULL       0x0100 /* Try for 100mbps full-duplex */
#define ADVERTISE_1000XPSE_ASYM 0x0100 /* Try for 1000BASE-X asym pause */
#define ADVERTISE_100BASE4      0x0200 /* Try for 100mbps 4k packets  */
#define ADVERTISE_PAUSE_CAP     0x0400 /* Try for pause               */
#define ADVERTISE_PAUSE_ASYM    0x0800 /* Try for asymetric pause     */
#define ADVERTISE_RESV          0x1000 /* 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)
 
/* Link partner ability register. */
#define LPA_SLCT            0x001f /* Same as advertise selector  */
#define LPA_10HALF          0x0020 /* Can do 10mbps half-duplex   */
#define LPA_1000XFULL       0x0020 /* Can do 1000BASE-X full-duplex */
#define LPA_10FULL          0x0040 /* Can do 10mbps full-duplex   */
#define LPA_1000XHALF       0x0040 /* Can do 1000BASE-X half-duplex */
#define LPA_100HALF         0x0080 /* Can do 100mbps half-duplex  */
#define LPA_1000XPAUSE      0x0080 /* Can do 1000BASE-X pause     */
#define LPA_100FULL         0x0100 /* Can do 100mbps full-duplex  */
#define LPA_1000XPAUSE_ASYM 0x0100 /* Can do 1000BASE-X pause asym */
#define LPA_100BASE4        0x0200 /* Can do 100mbps 4k packets   */
#define LPA_PAUSE_CAP       0x0400 /* Can pause                   */
#define LPA_PAUSE_ASYM      0x0800 /* Can pause asymetrically     */
#define LPA_RESV            0x1000 /* Unused...                   */
#define LPA_RFAULT          0x2000 /* Link partner faulted        */
#define LPA_LPACK           0x4000 /* Link partner acked us       */
#define LPA_NPAGE           0x8000 /* Next page bit               */
 
#define LPA_DUPLEX (LPA_10FULL | LPA_100FULL)
#define LPA_100    (LPA_100FULL | LPA_100HALF | LPA_100BASE4)
 
#define SLCT_IEEE802_3 0x0001
 
#endif