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/*
* Copyright (c) 2018, Arm Limited. All rights reserved.
*
* SPDX-License-Identifier: BSD-3-Clause
*/
#ifndef __IO_VEXPRESS_NOR_INTERNAL_H__
#define __IO_VEXPRESS_NOR_INTERNAL_H__
#include <drivers/io/io_driver.h>
#include <drivers/io/io_nor_flash.h>
#include <io_storage.h>
#define IS_FLASH_ADDRESS_BLOCK_ALIGNED(fp, addr) \
(((addr) & ((fp)->block_spec->block_size - 1)) == 0)
/* As we need to be able to keep state for seek, only one file can be open
* at a time. Make this a structure and point to the entity->info. When we
* can malloc memory we can change this to support more open files.
*/
typedef struct {
/* Use the 'in_use' flag as any value for base and file_pos could be
* valid.
*/
int in_use;
uintptr_t base;
size_t file_pos;
/* Definition of the flash block device */
const io_nor_flash_spec_t *block_spec;
} file_state_t;
int flash_block_write(file_state_t *fp, uint32_t address,
const uintptr_t buffer, size_t *written);
int flash_partial_write(file_state_t *fp, uint32_t address,
const uintptr_t buffer, size_t length, size_t *written);
#endif /* __IO_VEXPRESS_NOR_INTERNAL_H__ */
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