/* SPDX-License-Identifier: GPL-2.0-only OR BSD-3-Clause */ /* MDIO support for Mellanox Gigabit Ethernet driver * * Copyright (c) 2022 NVIDIA CORPORATION & AFFILIATES, ALL RIGHTS RESERVED. * * This software product is a proprietary product of NVIDIA CORPORATION & * AFFILIATES (the "Company") and all right, title, and interest in and to the * software product, including all associated intellectual property rights, are * and shall remain exclusively with the Company. * * This software product is governed by the End User License Agreement * provided with the software product. */ #ifndef __MLXBF_GIGE_MDIO_BF3_H__ #define __MLXBF_GIGE_MDIO_BF3_H__ #include #define MLXBF3_GIGE_MDIO_GW_OFFSET 0x80 #define MLXBF3_GIGE_MDIO_DATA_READ 0x8c #define MLXBF3_GIGE_MDIO_CFG_REG0 0x100 #define MLXBF3_GIGE_MDIO_CFG_REG1 0x104 #define MLXBF3_GIGE_MDIO_CFG_REG2 0x108 /* MDIO GW register bits */ #define MLXBF3_GIGE_MDIO_GW_ST1_MASK GENMASK(1, 1) #define MLXBF3_GIGE_MDIO_GW_OPCODE_MASK GENMASK(3, 2) #define MLXBF3_GIGE_MDIO_GW_PARTAD_MASK GENMASK(8, 4) #define MLXBF3_GIGE_MDIO_GW_DEVAD_MASK GENMASK(13, 9) /* For BlueField-3, this field is only used for mdio write */ #define MLXBF3_GIGE_MDIO_GW_DATA_MASK GENMASK(29, 14) #define MLXBF3_GIGE_MDIO_GW_BUSY_MASK GENMASK(30, 30) #define MLXBF3_GIGE_MDIO_GW_DATA_READ_MASK GENMASK(15, 0) #define MLXBF3_GIGE_MDIO_GW_ST1_SHIFT 1 #define MLXBF3_GIGE_MDIO_GW_OPCODE_SHIFT 2 #define MLXBF3_GIGE_MDIO_GW_PARTAD_SHIFT 4 #define MLXBF3_GIGE_MDIO_GW_DEVAD_SHIFT 9 #define MLXBF3_GIGE_MDIO_GW_DATA_SHIFT 14 #define MLXBF3_GIGE_MDIO_GW_BUSY_SHIFT 30 #define MLXBF3_GIGE_MDIO_GW_DATA_READ_SHIFT 0 /* MDIO config register bits */ #define MLXBF3_GIGE_MDIO_CFG_MDIO_MODE_MASK GENMASK(1, 0) #define MLXBF3_GIGE_MDIO_CFG_MDIO_FULL_DRIVE_MASK GENMASK(2, 2) #define MLXBF3_GIGE_MDIO_CFG_MDC_PERIOD_MASK GENMASK(7, 0) #define MLXBF3_GIGE_MDIO_CFG_MDIO_IN_SAMP_MASK GENMASK(7, 0) #define MLXBF3_GIGE_MDIO_CFG_MDIO_OUT_SAMP_MASK GENMASK(15, 8) #endif /* __MLXBF_GIGE_MDIO_BF3_H__ */