You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
56 lines
1.3 KiB
56 lines
1.3 KiB
/*
|
|
* Copyright (c) 2019, STMicroelectronics - All Rights Reserved
|
|
*
|
|
* SPDX-License-Identifier: BSD-3-Clause
|
|
*/
|
|
|
|
#ifndef DRIVERS_NAND_H
|
|
#define DRIVERS_NAND_H
|
|
|
|
#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 */
|