blob: fda082a5e78cf6029ea4c961b4f3981129ad573a [file] [log] [blame]
/*
* Copyright (c) 2018 Nordic Semiconductor ASA
*
* SPDX-License-Identifier: Apache-2.0
*/
#include <kernel.h>
#include <drivers/flash.h>
#include "platform-zephyr.h"
static struct device *flash_dev;
static size_t ot_flash_size;
static size_t ot_flash_offset;
static inline u32_t mapAddress(u32_t aAddress)
{
return aAddress + ot_flash_offset;
}
otError utilsFlashInit(void)
{
int i;
struct flash_pages_info info;
size_t pages_count;
flash_dev = device_get_binding(DT_FLASH_DEV_NAME);
if (!flash_dev) {
return OT_ERROR_NOT_IMPLEMENTED;
}
pages_count = flash_get_page_count(flash_dev);
if (flash_get_page_info_by_idx(flash_dev,
pages_count - CONFIG_OT_PLAT_FLASH_PAGES_COUNT, &info)) {
return OT_ERROR_FAILED;
}
ot_flash_offset = info.start_offset;
ot_flash_size = 0;
for (i = 0; i < CONFIG_OT_PLAT_FLASH_PAGES_COUNT; i++) {
if (flash_get_page_info_by_idx(flash_dev,
pages_count - i - 1, &info)) {
return OT_ERROR_FAILED;
}
ot_flash_size += info.size;
}
return OT_ERROR_NONE;
}
u32_t utilsFlashGetSize(void)
{
return ot_flash_size;
}
otError utilsFlashErasePage(u32_t aAddress)
{
otError err = OT_ERROR_NONE;
struct flash_pages_info info;
u32_t address;
address = mapAddress(aAddress);
if (flash_get_page_info_by_offs(flash_dev, address, &info)) {
return OT_ERROR_FAILED;
}
if (flash_write_protection_set(flash_dev, false) < 0) {
return OT_ERROR_FAILED;
}
if (flash_erase(flash_dev, address, info.size) < 0) {
err = OT_ERROR_FAILED;
}
(void)flash_write_protection_set(flash_dev, true);
return err;
}
otError utilsFlashStatusWait(u32_t aTimeout)
{
ARG_UNUSED(aTimeout);
return OT_ERROR_NONE;
}
u32_t utilsFlashWrite(u32_t aAddress, uint8_t *aData, u32_t aSize)
{
u32_t index = 0U;
flash_write_protection_set(flash_dev, false);
if (!flash_write(flash_dev, mapAddress(aAddress), aData, aSize)) {
index = aSize;
}
flash_write_protection_set(flash_dev, true);
return index;
}
u32_t utilsFlashRead(u32_t aAddress, uint8_t *aData, u32_t aSize)
{
u32_t index = 0U;
if (!flash_read(flash_dev, mapAddress(aAddress), aData, aSize)) {
index = aSize;
}
return index;
}