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/**
* @file IxEthMii_p.h
*
* @author Intel Corporation
* @date
*
* @brief MII Header file
*
* Design Notes:
*
*
* @par
* IXP400 SW Release version 2.0
*
* -- Copyright Notice --
*
* @par
* Copyright 2001-2005, Intel Corporation.
* All rights reserved.
*
* @par
* SPDX-License-Identifier: BSD-3-Clause
* @par
* -- End of Copyright Notice --
*/
#ifndef IxEthMii_p_H
#define IxEthMii_p_H
/* MII definitions - these have been verified against the LXT971 and
LXT972 PHYs*/
#define IX_ETH_MII_MAX_REG_NUM 0x20 /* max number of registers */
#define IX_ETH_MII_CTRL_REG 0x0 /* Control Register */
#define IX_ETH_MII_STAT_REG 0x1 /* Status Register */
#define IX_ETH_MII_PHY_ID1_REG 0x2 /* PHY identifier 1 Register */
#define IX_ETH_MII_PHY_ID2_REG 0x3 /* PHY identifier 2 Register */
#define IX_ETH_MII_AN_ADS_REG 0x4 /* Auto-Negotiation */
/* Advertisement Register */
#define IX_ETH_MII_AN_PRTN_REG 0x5 /* Auto-Negotiation */
/* partner ability Register */
#define IX_ETH_MII_AN_EXP_REG 0x6 /* Auto-Negotiation */
/* Expansion Register */
#define IX_ETH_MII_AN_NEXT_REG 0x7 /* Auto-Negotiation */
/* next-page transmit Register */
#define IX_ETH_MII_STAT2_REG 0x11 /* Status Register 2*/
/* MII control register bit */
#define IX_ETH_MII_CR_COLL_TEST 0x0080 /* collision test */
#define IX_ETH_MII_CR_FDX 0x0100 /* FDX =1, half duplex =0 */
#define IX_ETH_MII_CR_RESTART 0x0200 /* restart auto negotiation */
#define IX_ETH_MII_CR_ISOLATE 0x0400 /* isolate PHY from MII */
#define IX_ETH_MII_CR_POWER_DOWN 0x0800 /* power down */
#define IX_ETH_MII_CR_AUTO_EN 0x1000 /* auto-negotiation enable */
#define IX_ETH_MII_CR_100 0x2000 /* 0 = 10mb, 1 = 100mb */
#define IX_ETH_MII_CR_LOOPBACK 0x4000 /* 0 = normal, 1 = loopback */
#define IX_ETH_MII_CR_RESET 0x8000 /* 0 = normal, 1 = PHY reset */
#define IX_ETH_MII_CR_NORM_EN 0x0000 /* just enable the PHY */
#define IX_ETH_MII_CR_DEF_0_MASK 0xca7f /* they must return zero */
#define IX_ETH_MII_CR_RES_MASK 0x007f /* reserved bits, return zero */
/* MII Status register bit definitions */
#define IX_ETH_MII_SR_LINK_STATUS 0x0004 /* link Status -- 1 = link */
#define IX_ETH_MII_SR_AUTO_SEL 0x0008 /* auto speed select capable */
#define IX_ETH_MII_SR_REMOTE_FAULT 0x0010 /* Remote fault detect */
#define IX_ETH_MII_SR_AUTO_NEG 0x0020 /* auto negotiation complete */
#define IX_ETH_MII_SR_10T_HALF_DPX 0x0800 /* 10BaseT HD capable */
#define IX_ETH_MII_SR_10T_FULL_DPX 0x1000 /* 10BaseT FD capable */
#define IX_ETH_MII_SR_TX_HALF_DPX 0x2000 /* TX HD capable */
#define IX_ETH_MII_SR_TX_FULL_DPX 0x4000 /* TX FD capable */
#define IX_ETH_MII_SR_T4 0x8000 /* T4 capable */
#define IX_ETH_MII_SR_ABIL_MASK 0xff80 /* abilities mask */
#define IX_ETH_MII_SR_EXT_CAP 0x0001 /* extended capabilities */
/* LXT971/2 Status 2 register bit definitions */
#define IX_ETH_MII_SR2_100 0x4000
#define IX_ETH_MII_SR2_TX 0x2000
#define IX_ETH_MII_SR2_RX 0x1000
#define IX_ETH_MII_SR2_COL 0x0800
#define IX_ETH_MII_SR2_LINK 0x0400
#define IX_ETH_MII_SR2_FD 0x0200
#define IX_ETH_MII_SR2_AUTO 0x0100
#define IX_ETH_MII_SR2_AUTO_CMPLT 0x0080
#define IX_ETH_MII_SR2_POLARITY 0x0020
#define IX_ETH_MII_SR2_PAUSE 0x0010
#define IX_ETH_MII_SR2_ERROR 0x0008
/* MII Link Code word bit definitions */
#define IX_ETH_MII_BP_FAULT 0x2000 /* remote fault */
#define IX_ETH_MII_BP_ACK 0x4000 /* acknowledge */
#define IX_ETH_MII_BP_NP 0x8000 /* nexp page is supported */
/* MII Next Page bit definitions */
#define IX_ETH_MII_NP_TOGGLE 0x0800 /* toggle bit */
#define IX_ETH_MII_NP_ACK2 0x1000 /* acknowledge two */
#define IX_ETH_MII_NP_MSG 0x2000 /* message page */
#define IX_ETH_MII_NP_ACK1 0x4000 /* acknowledge one */
#define IX_ETH_MII_NP_NP 0x8000 /* nexp page will follow */
/* MII Expansion Register bit definitions */
#define IX_ETH_MII_EXP_FAULT 0x0010 /* parallel detection fault */
#define IX_ETH_MII_EXP_PRTN_NP 0x0008 /* link partner next-page able */
#define IX_ETH_MII_EXP_LOC_NP 0x0004 /* local PHY next-page able */
#define IX_ETH_MII_EXP_PR 0x0002 /* full page received */
#define IX_ETH_MII_EXP_PRT_AN 0x0001 /* link partner auto neg able */
/* technology ability field bit definitions */
#define IX_ETH_MII_TECH_10BASE_T 0x0020 /* 10Base-T */
#define IX_ETH_MII_TECH_10BASE_FD 0x0040 /* 10Base-T Full Duplex */
#define IX_ETH_MII_TECH_100BASE_TX 0x0080 /* 100Base-TX */
#define IX_ETH_MII_TECH_100BASE_TX_FD 0x0100 /* 100Base-TX Full Duplex */
#define IX_ETH_MII_TECH_100BASE_T4 0x0200 /* 100Base-T4 */
#define IX_ETH_MII_ADS_TECH_MASK 0x1fe0 /* technology abilities mask */
#define IX_ETH_MII_TECH_MASK IX_ETH_MII_ADS_TECH_MASK
#define IX_ETH_MII_ADS_SEL_MASK 0x001f /* selector field mask */
#define IX_ETH_MII_AN_FAIL 0x10 /* auto-negotiation fail */
#define IX_ETH_MII_STAT_FAIL 0x20 /* errors in the status register */
#define IX_ETH_MII_PHY_NO_ABLE 0x40 /* the PHY lacks some abilities */
/* Definitions for MII access routines*/
#define IX_ETH_MII_GO BIT(31)
#define IX_ETH_MII_WRITE BIT(26)
#define IX_ETH_MII_TIMEOUT_10TH_SECS (5)
#define IX_ETH_MII_10TH_SEC_IN_MILLIS (100)
#define IX_ETH_MII_READ_FAIL BIT(31)
/* When we reset the PHY we delay for 2 seconds to allow the reset to
complete*/
#define IX_ETH_MII_RESET_DELAY_MS (2000)
#define IX_ETH_MII_RESET_POLL_MS (50)
#define IX_ETH_MII_REG_SHL 16
#define IX_ETH_MII_ADDR_SHL 21
/* supported PHYs */
#define IX_ETH_MII_LXT971_PHY_ID 0x001378E0
#define IX_ETH_MII_LXT972_PHY_ID 0x001378E2
#define IX_ETH_MII_LXT973_PHY_ID 0x00137A10
#define IX_ETH_MII_LXT973A3_PHY_ID 0x00137A11
#define IX_ETH_MII_KS8995_PHY_ID 0x00221450
#define IX_ETH_MII_LXT9785_PHY_ID 0x001378FF
#define IX_ETH_MII_INVALID_PHY_ID 0x00000000
#define IX_ETH_MII_UNKNOWN_PHY_ID 0xffffffff
#endif /*IxEthAccMii_p_H*/
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