// See flash.h for documentation of this function.
status_t flash_erase_all(flash_driver_t * driver, uint32_t key)
{
if (driver == NULL)
{
return kStatus_InvalidArgument;
}
// preparing passing parameter to erase all flash blocks
// 1st element for the FCCOB register
FTFx_WR_FCCOBx(FTFx, 0, FTFx_ERASE_ALL_BLOCK);
// Validate the user key
status_t returnCode = flash_check_user_key(key);
if (returnCode)
{
return returnCode;
}
// calling flash command sequence function to execute the command
returnCode = flash_command_sequence(driver);
flash_cache_clear(driver);
return returnCode;
}
// See bl_shutdown_cleanup.h for documentation of this function.
void shutdown_cleanup(shutdown_type_t shutdown)
{
#if !defined(BOOTLOADER_HOST)
if (shutdown != kShutdownType_Reset)
{
// Clear (flush) the flash cache.
flash_cache_clear(NULL);
}
if (shutdown != kShutdownType_Cleanup)
{
// Shutdown all peripherals because they could be active
uint32_t i;
for (i = 0; g_peripherals[i].typeMask != 0; i++)
{
if (g_peripherals[i].controlInterface->shutdown)
{
g_peripherals[i].controlInterface->shutdown(&g_peripherals[i]);
}
}
}
// If we are permanently exiting the bootloader, there are a few extra things to do.
if (shutdown == kShutdownType_Shutdown)
{
// Turn off global interrupt
lock_acquire();
// Shutdown microseconds driver.
microseconds_shutdown();
#if defined(RCM_FM)
// Disable force ROM.
RCM_BWR_FM_FORCEROM(RCM, 0);
// Clear status register (bits are w1c).
RCM_BWR_MR_BOOTROM(RCM, 3);
#endif // defined(RCM_FM)
init_interrupts();
// Set the VTOR to default.
SCB->VTOR = kDefaultVectorTableAddress;
// Restore clock to default before leaving bootloader.
configure_clocks(kClockOption_ExitBootloader);
// De-initialize hardware such as disabling port clock gate
deinit_hardware();
// Restore global interrupt.
__enable_irq();
#if BL_FEATURE_BYPASS_WATCHDOG
// De-initialize watchdog
bootloader_watchdog_deinit();
#endif // BL_FEATURE_BYPASS_WATCHDOG
}
// Memory barriers for good measure.
__ISB();
__DSB();
#endif
}