441d67800c
This commit adds support for MDIO present in the ThunderX SoC. From the FDT point of view it is compatible with "octeon-3860-mdio" however only C22 mode is used. The code also implements lmac_if interface functions. Obtained from: Semihalf Sponsored by: The FreeBSD Foundation
64 lines
2.1 KiB
C
64 lines
2.1 KiB
C
/*-
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* Copyright (c) 2015 The FreeBSD Foundation
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* All rights reserved.
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*
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* This software was developed by Semihalf under
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* the sponsorship of the FreeBSD Foundation.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* $FreeBSD$
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*
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*/
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#ifndef __THUNDER_MDIO_VAR_H__
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#define __THUNDER_MDIO_VAR_H__
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#define THUNDER_MDIO_DEVSTR "Cavium ThunderX SMI/MDIO driver"
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DECLARE_CLASS(thunder_mdio_driver);
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enum thunder_mdio_mode {
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MODE_NONE = 0,
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MODE_IEEE_C22,
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MODE_IEEE_C45
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};
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struct phy_desc {
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device_t miibus; /* One miibus per LMAC */
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struct ifnet * ifp; /* Fake ifp to satisfy miibus */
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int lmacid; /* ID number of LMAC connected */
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TAILQ_ENTRY(phy_desc) phy_desc_list;
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};
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struct thunder_mdio_softc {
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device_t dev;
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struct mtx mtx;
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struct resource * reg_base;
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enum thunder_mdio_mode mode;
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TAILQ_HEAD(,phy_desc) phy_desc_head;
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};
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int thunder_mdio_attach(device_t);
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#endif
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