imx6ull-yocto-DDR3

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imx6ull-yocto-DDR3

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li_hong
Contributor III

Hello Team,

      I change the SDRAM from MT41K256M16TW(512MiB) to MT41K512M16HA(1GB),  but the memory is still  512MiB.How to fix this issue.

U-boot  trace as follow:

U-Boot 2018.03-imx_v2018.03_4.14.78_1.0.0_ga+g72a67fc (May 12 2020 - 03:04:33 +0000)

CPU: Freescale i.MX6ULL rev1.1 792 MHz (running at 396 MHz)
CPU: Industrial temperature grade (-40C to 105C) at 49C
Reset cause: POR
Model: Freescale i.MX6 ULL 14x14 EVK Board
Board: MX6ULL 14x14 EVK
DRAM: 512 MiB
Now running in RAM - U-Boot at: 9ff5c000
MMC11: FSL_SDHC: 0, FSL_SDHC: 1
Loading Environment from MMC... *** Warning - bad CRC, using default environment

 

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My develop environment:      

   Board:imx6ull

   Kernel:4.14.78

Thank you in advance.

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gusarambula
NXP TechSupport
NXP TechSupport

Hello Hong Li,

The BSP Porting Guide available as part of the BSP Documentation may help with porting the BSP to your own hardware.

The documentation for the 4.14.78 BSP is available on the link below (you may need to login to download this documentation bundle)

https://www.nxp.com/webapp/Download?colCode=L4.14.78_1.0.0_LINUX_DOCS

You would need to change the RAM size for Uboot and for the Device Tree.

I hope this helps!
Regards, 

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