How to generate dcd.bin file for mfgtools use to flash RT1020

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How to generate dcd.bin file for mfgtools use to flash RT1020

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binhu
Contributor II

We are trying to make a project to boot from spiflash to sdram on RT1020, But not be able to generate the dcd.bin file which used to initial the sdram when booting. In the bbs ,we found the dcd.bin for RT1050, but we can not use.

Can we generate this file by our self and How?

Thank you very much! 

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jay_heng
NXP Employee
NXP Employee

You can also try this tool, with this tool, You can flash bare image into various boot devices easily and don't need to care about headers (ivt, boot data...)

GitHub - JayHeng/nxp-sec-boot-ui: A one-stop GUI tool to work with NXP MCU (Kinetis, i.MXRT, LPC) RO... 

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Yuri
NXP TechSupport
NXP TechSupport

Hello,

 

 

 

  The DCD is described in section 8.7 (Program image) of i.MX RT1020

Reference Manual, Rev. 0, 06/2018. For an example, look at dcd_data[]

in “evkmimxrt1020_sdram_ini_dcd.c” of i.MX RT1020 SDK.

 

 SDRAM Datasheet provides information about required initialization

sequence. Also use section 46.4.6 (SDRAM Controller Operations) for

i.MX RT SEMC specifics regarding SDRAM functioning.

 

Have a great day,

Yuri

 

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