mirror of https://github.com/ARMmbed/mbed-os.git
113 lines
2.2 KiB
C
113 lines
2.2 KiB
C
/*
|
|
* Copyright (c) 2017-2018 ARM Limited
|
|
* SPDX-License-Identifier: Apache-2.0
|
|
*
|
|
* Licensed under the Apache License Version 2.0 (the "License");
|
|
* you may not use this file except in compliance with the License.
|
|
* You may obtain a copy of the License at
|
|
*
|
|
* http://www.apache.org/licenses/LICENSE-2.0
|
|
*
|
|
* Unless required by applicable law or agreed to in writing software
|
|
* distributed under the License is distributed on an "AS IS" BASIS
|
|
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND either express or implied.
|
|
* See the License for the specific language governing permissions and
|
|
* limitations under the License.
|
|
*/
|
|
|
|
#include "string.h"
|
|
#include "device.h"
|
|
#include "flash_api.h"
|
|
#include "memory_zones.h"
|
|
|
|
/* Fast Model FVP MPS2 is modeling after V2M-MPS2 platform with a FPGA (AN385).
|
|
* The implementation emulates flash over SRAM.
|
|
*/
|
|
|
|
#define FLASH_PAGE_SIZE 4U
|
|
#define FLASH_OFS_START ZBT_SRAM1_START
|
|
#define FLASH_SECTOR_SIZE 0x1000
|
|
#define FLASH_OFS_END (ZBT_SRAM1_START + ZBT_SRAM1_SIZE)
|
|
|
|
int32_t flash_init(flash_t *obj)
|
|
{
|
|
(void)obj;
|
|
|
|
return 0;
|
|
}
|
|
|
|
int32_t flash_free(flash_t *obj)
|
|
{
|
|
(void)obj;
|
|
|
|
return 0;
|
|
}
|
|
|
|
int32_t flash_erase_sector(flash_t *obj, uint32_t address)
|
|
{
|
|
(void)obj;
|
|
|
|
memset((void *)address, 0xff, FLASH_SECTOR_SIZE);
|
|
|
|
return 0;
|
|
}
|
|
|
|
int32_t flash_read(flash_t *obj, uint32_t address,
|
|
uint8_t *data, uint32_t size)
|
|
{
|
|
(void)obj;
|
|
|
|
memcpy(data, (void *)address, size);
|
|
|
|
return 0;
|
|
}
|
|
|
|
int32_t flash_program_page(flash_t *obj, uint32_t address,
|
|
const uint8_t *data, uint32_t size)
|
|
{
|
|
(void)obj;
|
|
|
|
memcpy((void *)address, data, size);
|
|
|
|
return 0;
|
|
}
|
|
|
|
uint32_t flash_get_sector_size(const flash_t *obj, uint32_t address)
|
|
{
|
|
(void)obj;
|
|
|
|
if (address < FLASH_OFS_START || address >= FLASH_OFS_END) {
|
|
return MBED_FLASH_INVALID_SIZE;
|
|
}
|
|
|
|
return FLASH_SECTOR_SIZE;
|
|
}
|
|
|
|
uint32_t flash_get_page_size(const flash_t *obj)
|
|
{
|
|
(void)obj;
|
|
|
|
return FLASH_PAGE_SIZE;
|
|
}
|
|
|
|
uint32_t flash_get_start_address(const flash_t *obj)
|
|
{
|
|
(void)obj;
|
|
|
|
return FLASH_OFS_START;
|
|
}
|
|
|
|
uint32_t flash_get_size(const flash_t *obj)
|
|
{
|
|
(void)obj;
|
|
|
|
return ZBT_SRAM1_SIZE;
|
|
}
|
|
|
|
uint8_t flash_get_erase_value(const flash_t *obj)
|
|
{
|
|
(void)obj;
|
|
|
|
return 0xFF;
|
|
}
|