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