/* * Copyright (c) 2022-2023, Intel Corporation. All rights reserved. * Copyright (c) 2024, Altera Corporation. All rights reserved. * * SPDX-License-Identifier: BSD-3-Clause */ #ifndef SDMMC_H #define SDMMC_H #include #include "socfpga_handoff.h" #define PERIPHERAL_SDMMC_MASK 0x60 #define PERIPHERAL_SDMMC_OFFSET 6 #define DEFAULT_SDMMC_MAX_RETRIES 5 #define SEND_SDMMC_OP_COND_MAX_RETRIES 100 #define SDMMC_MULT_BY_512K_SHIFT 19 static const unsigned char tran_speed_base[16] = { 0, 10, 12, 13, 15, 20, 26, 30, 35, 40, 45, 52, 55, 60, 70, 80 }; static const unsigned char sd_tran_speed_base[16] = { 0, 10, 12, 13, 15, 20, 25, 30, 35, 40, 45, 50, 55, 60, 70, 80 }; /* FUNCTION DEFINATION */ /* * @brief SDMMC controller initialization function * * @hoff_ptr: Pointer to the hand-off data * Return: 0 on success, a negative errno on failure */ void sdmmc_pin_config(void); size_t sdmmc_read_blocks(int lba, uintptr_t buf, size_t size); size_t sdmmc_write_blocks(int lba, const uintptr_t buf, size_t size); int sdmmc_device_state(void); bool is_cmd23_enabled(void); int sdmmc_send_cmd(unsigned int idx, unsigned int arg, unsigned int r_type, unsigned int *r_data); #endif