static void configure_quadspi_as_needed(void)
{
// Start the lifetime counter
microseconds_init();
if (qspi_need_configure())
{
status_t qspiOtfadInitStatus = kStatus_QspiNotConfigured;
// Try to configure QuadSPI module based on on qspi_config_block_pointer in BCA first,
// If bootloader cannot get qspi config block from internal flash, try to configure QSPI
// based on default place (start address of QuadSPI memory).
uint32_t qspi_config_block_base =
g_bootloaderContext.propertyInterface->store->configurationData.qspi_config_block_pointer;
// Get the start address and flash size
uint32_t flashStart;
g_bootloaderContext.flashDriverInterface->flash_get_property(&g_bootloaderContext.flashState,
kFLASH_PropertyPflashBlockBaseAddr, &flashStart);
uint32_t flashSize;
g_bootloaderContext.flashDriverInterface->flash_get_property(&g_bootloaderContext.flashState,
kFLASH_PropertyPflashTotalSize, &flashSize);
// Check if the pointer of qspi config block is valid.
if ((qspi_config_block_base != 0xFFFFFFFF) && (qspi_config_block_base > flashStart) &&
(qspi_config_block_base <= (flashStart + flashSize - sizeof(qspi_config_t))))
{
#if FSL_FEATURE_FLASH_HAS_ACCESS_CONTROL
if (!is_in_execute_only_region(qspi_config_block_base, sizeof(qspi_config_t)))
{
qspiOtfadInitStatus = quadspi_init((void *)qspi_config_block_base);
}
#else
qspiOtfadInitStatus = quadspi_init((void *)qspi_config_block_base);
#endif // FSL_FEATURE_FLASH_HAS_ACCESS_CONTROL
}
if (qspiOtfadInitStatus == kStatus_QspiNotConfigured)
{
qspiOtfadInitStatus = quadspi_init(NULL);
}
update_qspi_otfad_init_status(qspiOtfadInitStatus);
}
// Shutdown the lifetime counter before configuring clock.
lock_acquire();
microseconds_shutdown();
lock_release();
}
// 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
}