Nor flash map for i.MXRT1170

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Nor flash map for i.MXRT1170

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jimmyli
Contributor III

Hi,

     Why m_flash_config_start must start at 0x30000400, while 0x30000000 will be failed?

     Note: For i.MXRT1060, 0x60000000 is OK.

     Thanks.

jimmyli_0-1640574133889.png

 

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2 Replies

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jeremyzhou
NXP TechSupport
NXP TechSupport

Hi,
Thank you for your interest in NXP Semiconductor products and for the opportunity to serve you.
1) Why m_flash_config_start must start at 0x30000400, while 0x30000000 will be failed?
-- Just as the below figure shows, the ROM code will fetch the 512-byte FlexSPI NOR configuration parameters start from the offset 0x400 in Serial NOR flash attached to FLEXSPI_A_SS0_B during the boot-up process.

jeremyzhou_0-1640584721299.png

I think it can explain your question, however for the RT1060/50, FlexSPI NOR configuration parameters should be resided at the beginning address of Serial NOR flash.
Have a great day,
TIC

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jimmyli
Contributor III

Hi TIC,

      It is great for me by this reply.

      Thanks.

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