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Diffstat (limited to 'cpu/ixp/npe/include/IxEthMii_p.h')
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1 files changed, 185 insertions, 0 deletions
diff --git a/cpu/ixp/npe/include/IxEthMii_p.h b/cpu/ixp/npe/include/IxEthMii_p.h new file mode 100644 index 00000000000..104b65c1f04 --- /dev/null +++ b/cpu/ixp/npe/include/IxEthMii_p.h @@ -0,0 +1,185 @@ +/** + * @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 + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. Neither the name of the Intel Corporation nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * @par + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS ``AS IS'' + * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * @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*/ |