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sys/dev/enetc/enetc_mdio.h
- This file was added.
| /*- | |||||
| * SPDX-License-Identifier: BSD-2-Clause-FreeBSD | |||||
| * | |||||
| * Copyright (c) 2021 Alstom Group. | |||||
| * Copyright (c) 2021 Semihalf. | |||||
| * | |||||
| * 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. | |||||
| * | |||||
| * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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. | |||||
| */ | |||||
| #ifndef _ENETC_MDIO_H_ | |||||
| #define _ENETC_MDIO_H_ | |||||
| /* MDIO registers */ | |||||
| #define ENETC_MDIO_CFG 0x0 /* MDIO configuration and status */ | |||||
| #define MDIO_CFG_CLKDIV(x) ((((x) >> 1) & 0xff) << 8) | |||||
| #define ENETC_MDIO_CTL 0x4 /* MDIO control */ | |||||
| #define MDIO_CTL_DEV_ADDR(x) ((x) & 0x1f) | |||||
| #define MDIO_CTL_PORT_ADDR(x) (((x) & 0x1f) << 5) | |||||
| #define ENETC_MDIO_DATA 0x8 /* MDIO data */ | |||||
| #define MDIO_DATA(x) ((x) & 0xffff) | |||||
| #define ENETC_MDIO_ADDR 0xc /* MDIO address */ | |||||
| #define MDIO_CFG_BSY BIT(0) | |||||
| #define MDIO_CFG_RD_ER BIT(1) | |||||
| #define MDIO_CFG_ENC45 BIT(6) | |||||
| #define MDIO_CFG_NEG BIT(23) | |||||
| #define MDIO_CTL_READ BIT(15) | |||||
| #define MII_ADDR_C45 BIT(30) | |||||
| /* MDIO configuration and helpers */ | |||||
| #define ENETC_MDC_DIV 258 | |||||
| #define ENETC_TIMEOUT 1000 | |||||
| int enetc_mdio_write(struct resource*, int, int, int, int); | |||||
| int enetc_mdio_read(struct resource*, int, int, int); | |||||
| #endif | |||||