/* * Copyright 2022 NXP * * SPDX-License-Identifier: Apache-2.0 */ #include void SystemInitHook(void) { #if DT_SAME_NODE(DT_NODELABEL(flexspi), DT_PARENT(DT_CHOSEN(zephyr_flash))) /* AT25SF128A SPI Flash on the RT1010-EVK requires special alignment * considerations, so set the READADDROPT bit in the FlexSPI so it * will fetch more data than each AHB burst requires to meet alignment * requirements * * Without this, the FlexSPI will return corrupted data during early * boot, causing a hardfault. This can also be resolved by enabling * the instruction cache in very early boot. */ FLEXSPI->AHBCR |= FLEXSPI_AHBCR_READADDROPT_MASK; #endif }