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258bef913a
To correctly initialize the MMC devices, a power cycle is required. For this we need to: - disable vmmc-supply regulator - make the power cycle required for SDMMC2 peripheral - enable regulators Change-Id: I2be6d9082d1cc4c864a82cf2c31ff8522e2d31a2 Signed-off-by: Yann Gautier <yann.gautier@st.com>
35 lines
827 B
C
35 lines
827 B
C
/*
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* Copyright (c) 2017-2021, STMicroelectronics - All Rights Reserved
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*
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* SPDX-License-Identifier: BSD-3-Clause
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*/
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#ifndef STM32_SDMMC2_H
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#define STM32_SDMMC2_H
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#include <stdbool.h>
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#include <drivers/mmc.h>
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#include <drivers/st/regulator.h>
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struct stm32_sdmmc2_params {
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uintptr_t reg_base;
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unsigned int clk_rate;
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unsigned int bus_width;
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unsigned int flags;
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struct mmc_device_info *device_info;
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unsigned int pin_ckin;
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unsigned int negedge;
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unsigned int dirpol;
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unsigned int clock_id;
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unsigned int reset_id;
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unsigned int max_freq;
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bool use_dma;
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struct rdev *vmmc_regu;
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};
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unsigned long long stm32_sdmmc2_mmc_get_device_size(void);
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int stm32_sdmmc2_mmc_init(struct stm32_sdmmc2_params *params);
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bool plat_sdmmc2_use_dma(unsigned int instance, unsigned int memory);
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#endif /* STM32_SDMMC2_H */
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