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Diffstat (limited to '')
| -rw-r--r-- | include/drivers/brcm/emmc/emmc_api.h | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/include/drivers/brcm/emmc/emmc_api.h b/include/drivers/brcm/emmc/emmc_api.h new file mode 100644 index 0000000..c4c2a58 --- /dev/null +++ b/include/drivers/brcm/emmc/emmc_api.h @@ -0,0 +1,47 @@ +/* + * Copyright (c) 2016 - 2020, Broadcom + * + * SPDX-License-Identifier: BSD-3-Clause + */ + +#ifndef EMMC_API_H +#define EMMC_API_H + +#include "bcm_emmc.h" +#include "emmc_pboot_hal_memory_drv.h" + +#ifdef INCLUDE_EMMC_DRIVER_ERASE_CODE +/* + * The erasable unit of the eMMC is the Erase Group + * Erase group is measured in write blocks which + * are the basic writable units of the Device + * EMMC_ERASE_GROUP_SIZE is the number of writeable + * units (each unit is 512 bytes) + */ + +/* Start address (sector) */ +#define EMMC_ERASE_START_BLOCK 0x0 +/* Number of blocks to be erased */ +#define EMMC_ERASE_BLOCK_COUNT 0x1 + +#define EMMC_ERASE_USER_AREA 0 +#define EMMC_ERASE_BOOT_PARTITION1 1 +#define EMMC_ERASE_BOOT_PARTITION2 2 + +/* eMMC partition to be erased */ +#define EMMC_ERASE_PARTITION EMMC_ERASE_USER_AREA +#endif + +uint32_t bcm_emmc_init(bool card_rdy_only); +void emmc_deinit(void); + +#ifdef INCLUDE_EMMC_DRIVER_ERASE_CODE +int emmc_erase(uintptr_t mem_addr, size_t num_of_blocks, uint32_t partition); +#endif + +uint32_t emmc_partition_select(uint32_t partition); +uint32_t emmc_read(uintptr_t mem_addr, uintptr_t storage_addr, + size_t storage_size, size_t bytes_to_read); +uint32_t emmc_write(uintptr_t mem_addr, uintptr_t data_addr, + size_t bytes_to_write); +#endif /* EMMC_API_H */ |