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Stm32 ospi qspi fallback support #11291
This PR adds support of QSPI driver onto STM32 targets that support OSPI IP.
This has been tested with DISCO_L49RI and MX25LM51245G flash memory. Because this memory supports only Single and Octal IO modes, only Single mode is being used now. Octal mode may be used when OSPI support is added to mbed.
Also as MX25LM51245G does not support SFDP, only QSPIF tests have been passed, Block device tests can't as of now (see question in #11287 )
This PR depends on #11290
Pull request type