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4d846d260e
The SPDX folks have obsoleted the BSD-2-Clause-FreeBSD identifier. Catch up to that fact and revert to their recommended match of BSD-2-Clause. Discussed with: pfg MFC After: 3 days Sponsored by: Netflix
59 lines
2.2 KiB
C
59 lines
2.2 KiB
C
/*-
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* SPDX-License-Identifier: BSD-2-Clause
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*
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* Copyright (c) 2021 Alstom Group.
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* Copyright (c) 2021 Semihalf.
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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 ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef _ENETC_MDIO_H_
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#define _ENETC_MDIO_H_
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/* MDIO registers */
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#define ENETC_MDIO_CFG 0x0 /* MDIO configuration and status */
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#define MDIO_CFG_CLKDIV(x) ((((x) >> 1) & 0xff) << 8)
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#define ENETC_MDIO_CTL 0x4 /* MDIO control */
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#define MDIO_CTL_DEV_ADDR(x) ((x) & 0x1f)
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#define MDIO_CTL_PORT_ADDR(x) (((x) & 0x1f) << 5)
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#define ENETC_MDIO_DATA 0x8 /* MDIO data */
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#define MDIO_DATA(x) ((x) & 0xffff)
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#define ENETC_MDIO_ADDR 0xc /* MDIO address */
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#define MDIO_CFG_BSY BIT(0)
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#define MDIO_CFG_RD_ER BIT(1)
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#define MDIO_CFG_ENC45 BIT(6)
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#define MDIO_CFG_NEG BIT(23)
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#define MDIO_CTL_READ BIT(15)
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#define MII_ADDR_C45 BIT(30)
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/* MDIO configuration and helpers */
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#define ENETC_MDC_DIV 258
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#define ENETC_TIMEOUT 1000
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int enetc_mdio_write(struct resource*, int, int, int, int);
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int enetc_mdio_read(struct resource*, int, int, int);
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#endif
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