blob: 1dbb008f9c280407a2a874b58ace092d2b0a82b3 [file] [log] [blame]
* Copyright (c) 2019, STMicroelectronics - All Rights Reserved
* SPDX-License-Identifier: BSD-3-Clause
#include <stddef.h>
#include <stdint.h>
#include <lib/utils_def.h>
#define PSEC_TO_MSEC(x) div_round_up((x), 1000000000ULL)
struct ecc {
unsigned int mode; /* ECC mode NAND_ECC_MODE_{NONE|HW|ONDIE} */
unsigned int size; /* Data byte per ECC step */
unsigned int bytes; /* ECC bytes per step */
unsigned int max_bit_corr; /* Max correctible bits per ECC steps */
struct nand_device {
unsigned int block_size;
unsigned int page_size;
unsigned long long size;
unsigned int nb_planes;
unsigned int buswidth;
struct ecc ecc;
int (*mtd_block_is_bad)(unsigned int block);
int (*mtd_read_page)(struct nand_device *nand, unsigned int page,
uintptr_t buffer);
* Read bytes from NAND device
* @offset: Byte offset to read from in device
* @buffer: [out] Bytes read from device
* @length: Number of bytes to read
* @length_read: [out] Number of bytes read from device
* Return: 0 on success, a negative errno on failure
int nand_read(unsigned int offset, uintptr_t buffer, size_t length,
size_t *length_read);
* Get NAND device instance
* Return: NAND device instance reference
struct nand_device *get_nand_device(void);
#endif /* DRIVERS_NAND_H */