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/*
* Copyright (c) 2019-2023, STMicroelectronics - All Rights Reserved
*
* SPDX-License-Identifier: BSD-3-Clause
*/
#ifndef DRIVERS_SPI_NAND_H
#define DRIVERS_SPI_NAND_H
#include <drivers/nand.h>
#include <drivers/spi_mem.h>
#define SPI_NAND_OP_GET_FEATURE 0x0FU
#define SPI_NAND_OP_SET_FEATURE 0x1FU
#define SPI_NAND_OP_READ_ID 0x9FU
#define SPI_NAND_OP_LOAD_PAGE 0x13U
#define SPI_NAND_OP_RESET 0xFFU
#define SPI_NAND_OP_READ_FROM_CACHE 0x03U
#define SPI_NAND_OP_READ_FROM_CACHE_2X 0x3BU
#define SPI_NAND_OP_READ_FROM_CACHE_4X 0x6BU
/* Configuration register */
#define SPI_NAND_REG_CFG 0xB0U
#define SPI_NAND_CFG_ECC_EN BIT(4)
#define SPI_NAND_CFG_QE BIT(0)
/* Status register */
#define SPI_NAND_REG_STATUS 0xC0U
#define SPI_NAND_STATUS_BUSY BIT(0)
#define SPI_NAND_STATUS_ECC_UNCOR BIT(5)
/* Flags for specific configuration */
#define SPI_NAND_HAS_QE_BIT BIT(0)
struct spinand_device {
struct nand_device *nand_dev;
struct spi_mem_op spi_read_cache_op;
uint32_t flags;
uint8_t cfg_cache; /* Cached value of SPI NAND device register CFG */
};
int spi_nand_init(unsigned long long *size, unsigned int *erase_size);
/*
* Platform can implement this to override default SPI-NAND instance
* configuration.
*
* @device: target SPI-NAND instance.
* Return 0 on success, negative value otherwise.
*/
int plat_get_spi_nand_data(struct spinand_device *device);
#endif /* DRIVERS_SPI_NAND_H */
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