| # Copyright 2024 NXP |
| # SPDX-License-Identifier: Apache-2.0 |
| |
| # In order to safely access the PSRAM on port B of the RW FlexSPI peripheral, |
| # the QSPI flash on port A must be configured by the application. Otherwise, |
| # the PSRAM configuration will overwrite the LUT entries for the QSPI flash, |
| # and the application will no longer be able to XIP from the flash. |
| # To make sure the QSPI flash is configured, enable flash drivers. |
| CONFIG_FLASH=y |
| |
| # Initialization priorities are critical here. The FlexSPI MEMC driver must |
| # initialize first. Then, the QSPI flash driver must initialize to program |
| # the LUT table for port A. Finally, the PSRAM driver can initialize and |
| # program the LUT table for port B |
| CONFIG_MEMC_MCUX_FLEXSPI_INIT_PRIORITY=0 |
| CONFIG_FLASH_INIT_PRIORITY=50 |
| CONFIG_MEMC_INIT_PRIORITY=60 |
| |
| # This board has the PSRAM attached to the same FLEXSPI device as the flash |
| # chip used for XIP, so we must explicitly enable the FLEXSPI MEMC driver |
| # to reconfigure the flash device it is executing from |
| CONFIG_MEMC_MCUX_FLEXSPI_INIT_XIP=y |
