Flexspi imx9 support #264
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Flexspi imx9 support #264
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jlaitine
approved these changes
Jun 14, 2024
jlaitine
requested changes
Jul 4, 2024
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I added the NOR driver part inside NuttX, added automatic detection for M25P devices. It is true that this needs to be extended if other than M25P devices are used, but I think this structure is a more solid starting point than copying NXP stuff blindly. I modified the way how pages/sectors are treated for the MTD (page size is 256 bytes, subsector erase is 4K). Tested the stufff by opening the device, writing 3MB of data and reading it back. Seems to work |
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This seems to be working, pushing it to upstream review. |
Signed-off-by: Jouni Ukkonen <[email protected]>
…face This is an initial FlexSPI SPI NOR MTD driver for IMX9 This supprts M25P SPI NOR on FlexSPI for now, and can later be extended to other SPINOR devices if needed. The following configurations are needed to use this driver: CONFIG_IMX9_FLEXSPI_NOR=y CONFIG_MTD_M25P=y In addition, board initialization logic needs to call the imx9_flexspi_nor_initialize to receive a pointer to the mtd device. Signed-off-by: Jukka Laitinen <[email protected]> Co-authored-by: Jouni Ukkonen <[email protected]>
jlaitine
approved these changes
Jul 5, 2024
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Upstream review requested in https://github.com/tiiuae/saluki-nxp93/pull/7 . Let's wait with this until that gets merged to avoid unnecessary merge conflicts. |
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Pre-review for:
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Other patches are already merged to apache master