Jit Loon Lim | a7f5494 | 2023-05-17 12:26:11 +0800 | [diff] [blame^] | 1 | /* |
| 2 | * Copyright (c) 2022-2023, Intel Corporation. All rights reserved. |
| 3 | * |
| 4 | * SPDX-License-Identifier: BSD-3-Clause |
| 5 | */ |
| 6 | |
| 7 | #ifndef SDMMC_H |
| 8 | #define SDMMC_H |
| 9 | |
| 10 | #include <lib/mmio.h> |
| 11 | #include "socfpga_handoff.h" |
| 12 | |
| 13 | #define PERIPHERAL_SDMMC_MASK 0x60 |
| 14 | #define PERIPHERAL_SDMMC_OFFSET 6 |
| 15 | |
| 16 | #define DEFAULT_SDMMC_MAX_RETRIES 5 |
| 17 | #define SEND_SDMMC_OP_COND_MAX_RETRIES 100 |
| 18 | #define SDMMC_MULT_BY_512K_SHIFT 19 |
| 19 | |
| 20 | static const unsigned char tran_speed_base[16] = { |
| 21 | 0, 10, 12, 13, 15, 20, 26, 30, 35, 40, 45, 52, 55, 60, 70, 80 |
| 22 | }; |
| 23 | |
| 24 | static const unsigned char sd_tran_speed_base[16] = { |
| 25 | 0, 10, 12, 13, 15, 20, 25, 30, 35, 40, 45, 50, 55, 60, 70, 80 |
| 26 | }; |
| 27 | |
| 28 | |
| 29 | /* FUNCTION DEFINATION */ |
| 30 | /* |
| 31 | * @brief SDMMC controller initialization function |
| 32 | * |
| 33 | * @hoff_ptr: Pointer to the hand-off data |
| 34 | * Return: 0 on success, a negative errno on failure |
| 35 | */ |
| 36 | int sdmmc_init(handoff *hoff_ptr, struct cdns_sdmmc_params *params, |
| 37 | struct mmc_device_info *info); |
| 38 | int sd_or_mmc_init(const struct mmc_ops *ops_ptr, unsigned int clk, |
| 39 | unsigned int width, unsigned int flags, |
| 40 | struct mmc_device_info *device_info); |
| 41 | void sdmmc_pin_config(void); |
| 42 | #endif |