imx6ull module with emmc no sdcard download

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imx6ull module with emmc no sdcard download

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scooter1986
Contributor I

hi guys, i having trouble using imx6ull module with emmc, im able to download to the module but it errors out with 

" Waiting for root device /dev/mmcblk1p2..."  when kernel starts and just hung there. 

with nand memory its working fine and im able to start it. please see the NAND working uuu file. 

my prototype has no sd card so i downloading bootloader and stuff from serial to the module. 

can any of you point me to the right direction please ? 

i have read all the uuu instructions and checked the sample files also but no luck. most of them only support from SDcard. 

i know the imx6ull-14x14-evk-gpmi-weim.dtb for nand has to be changed with imx6ull-14x14-evk.dtd for emmc 

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AldoG
NXP TechSupport
NXP TechSupport

Hello,

 

Have you tried with a prebuilt BSP?

https://www.nxp.com/design/software/embedded-software/i-mx-software/embedded-linux-for-i-mx-applicat...

 

Have you tried using the built-in script emmc_all?

uuu -b emmc_all <bootloader> <rootfs>.sdcard

 

Also, you're correct you need correct uboot and dtb to flash emmc on the i.MX 6ULL

u-boot-imx6ull14x14evk_emmc.imx

imx6ull-14x14-evk-emmc.dtb

 

Best regards,

Aldo.

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