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48 lines
1.3 KiB
48 lines
1.3 KiB
4 months ago
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/*
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* Copyright (c) 2016 - 2020, Broadcom
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*
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* SPDX-License-Identifier: BSD-3-Clause
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*/
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#ifndef EMMC_API_H
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#define EMMC_API_H
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#include "bcm_emmc.h"
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#include "emmc_pboot_hal_memory_drv.h"
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#ifdef INCLUDE_EMMC_DRIVER_ERASE_CODE
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/*
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* The erasable unit of the eMMC is the Erase Group
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* Erase group is measured in write blocks which
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* are the basic writable units of the Device
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* EMMC_ERASE_GROUP_SIZE is the number of writeable
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* units (each unit is 512 bytes)
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*/
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/* Start address (sector) */
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#define EMMC_ERASE_START_BLOCK 0x0
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/* Number of blocks to be erased */
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#define EMMC_ERASE_BLOCK_COUNT 0x1
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#define EMMC_ERASE_USER_AREA 0
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#define EMMC_ERASE_BOOT_PARTITION1 1
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#define EMMC_ERASE_BOOT_PARTITION2 2
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/* eMMC partition to be erased */
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#define EMMC_ERASE_PARTITION EMMC_ERASE_USER_AREA
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#endif
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uint32_t bcm_emmc_init(bool card_rdy_only);
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void emmc_deinit(void);
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#ifdef INCLUDE_EMMC_DRIVER_ERASE_CODE
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int emmc_erase(uintptr_t mem_addr, size_t num_of_blocks, uint32_t partition);
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#endif
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uint32_t emmc_partition_select(uint32_t partition);
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uint32_t emmc_read(uintptr_t mem_addr, uintptr_t storage_addr,
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size_t storage_size, size_t bytes_to_read);
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uint32_t emmc_write(uintptr_t mem_addr, uintptr_t data_addr,
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size_t bytes_to_write);
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#endif /* EMMC_API_H */
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