mirror of https://github.com/ARMmbed/mbed-os.git
118 lines
3.7 KiB
C
118 lines
3.7 KiB
C
/*
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* Copyright (c) 2017 Nordic Semiconductor ASA
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without modification,
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* are permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice, this list
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* of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form, except as embedded into a Nordic Semiconductor ASA
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* integrated circuit in a product or a software update for such product, must reproduce
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* the above copyright notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the distribution.
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*
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* 3. Neither the name of Nordic Semiconductor ASA nor the names of its contributors may be
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* used to endorse or promote products derived from this software without specific prior
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* written permission.
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*
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* 4. This software, with or without modification, must only be used with a
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* Nordic Semiconductor ASA integrated circuit.
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*
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* 5. Any software provided in binary or object form under this license must not be reverse
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* engineered, decompiled, modified and/or disassembled.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR
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* ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
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* ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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*/
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#include "flash_api.h"
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#include "nrf_nvmc.h"
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#include "nrf_soc.h"
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#include "nrf_sdm.h"
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#if DEVICE_FLASH
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int32_t flash_init(flash_t *obj)
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{
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(void)(obj);
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uint8_t sd_enabled;
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if ((sd_softdevice_is_enabled(&sd_enabled) == NRF_SUCCESS) && sd_enabled == 1) {
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return -1;
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}
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return 0;
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}
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int32_t flash_free(flash_t *obj)
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{
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(void)(obj);
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return 0;
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}
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int32_t flash_erase_sector(flash_t *obj, uint32_t address)
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{
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(void)(obj);
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uint8_t sd_enabled;
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if ((sd_softdevice_is_enabled(&sd_enabled) == NRF_SUCCESS) && sd_enabled == 1) {
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return -1;
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}
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nrf_nvmc_page_erase(address);
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return 0;
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}
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int32_t flash_program_page(flash_t *obj, uint32_t address, const uint8_t *data, uint32_t size)
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{
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uint8_t sd_enabled;
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if ((sd_softdevice_is_enabled(&sd_enabled) == NRF_SUCCESS) && sd_enabled == 1) {
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return -1;
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}
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/* We will use *_words function to speed up flashing code. Word means 32bit -> 4B
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* or sizeof(uint32_t).
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*/
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nrf_nvmc_write_words(address, (const uint32_t *) data, (size / sizeof(uint32_t)));
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return 0;
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}
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uint32_t flash_get_size(const flash_t *obj)
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{
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(void)(obj);
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/* Just count flash size. */
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return NRF_FICR->CODESIZE * NRF_FICR->CODEPAGESIZE;
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}
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uint32_t flash_get_sector_size(const flash_t *obj, uint32_t address)
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{
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(void)(obj);
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/* Test if passed address is in flash space. */
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if (address < flash_get_size(obj)) {
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return NRF_FICR->CODEPAGESIZE;
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}
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/* Something goes wrong, return invalid size error code. */
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return MBED_FLASH_INVALID_SIZE;
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}
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uint32_t flash_get_page_size(const flash_t *obj)
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{
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(void)(obj);
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return NRF_FICR->CODEPAGESIZE;
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}
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uint32_t flash_get_start_address(const flash_t *obj)
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{
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return 0;
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}
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#endif
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/** @}*/
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