1 /* 2 * Copyright (c) 2016 - 2021, Broadcom 3 * 4 * SPDX-License-Identifier: BSD-3-Clause 5 */ 6 7 #ifndef MDIO_H 8 #define MDIO_H 9 10 #define CMIC_MIIM_PARAM (PLAT_CMIC_MIIM_BASE + 0x23cU) 11 #define MDIO_PARAM_MIIM_CYCLE 29U 12 #define MDIO_PARAM_INTERNAL_SEL 25U 13 #define MDIO_PARAM_BUSID 22U 14 #define MDIO_PARAM_BUSID_MASK 0x7U 15 #define MDIO_PARAM_C45_SEL 21U 16 #define MDIO_PARAM_PHYID 16U 17 #define MDIO_PARAM_PHYID_MASK 0x1FU 18 #define MDIO_PARAM_DATA 0U 19 #define MDIO_PARAM_DATA_MASK 0xFFFFU 20 #define CMIC_MIIM_READ_DATA (PLAT_CMIC_MIIM_BASE + 0x240U) 21 #define MDIO_READ_DATA_MASK 0xffffU 22 #define CMIC_MIIM_ADDRESS (PLAT_CMIC_MIIM_BASE + 0x244U) 23 #define CMIC_MIIM_CTRL (PLAT_CMIC_MIIM_BASE + 0x248U) 24 #define MDIO_CTRL_WRITE_OP 0x1U 25 #define MDIO_CTRL_READ_OP 0x2U 26 #define CMIC_MIIM_STAT (PLAT_CMIC_MIIM_BASE + 0x24cU) 27 #define MDIO_STAT_DONE 1U 28 29 int mdio_write(uint16_t busid, uint16_t phyid, uint32_t reg, uint16_t val); 30 int mdio_read(uint16_t busid, uint16_t phyid, uint32_t reg); 31 #endif /* MDIO_H */ 32