AnsweredAssumed Answered

i.MX 8MQuad Evaluation kit boot-up issue

Question asked by Neel Desai on Jun 22, 2020
Latest reply on Jun 24, 2020 by Rita Wang

Hi,

 

Currently, I have working on i.MX 8M Quad Evaluation Kit. I have create one layer and add new machine in yocto. Now I try to flash evk board using below command.

 

sudo ./uuu -b emmc_all imx-boot-<machine>-sd.bin-flash_evk < custom bz2 image> 

 

Output: 

Success 1 Failure 0

uuu Flashing Log:

 

1:2>Start Cmd:FB: ucmd setenv fastboot_dev mmc
1:2>Okay (0.02s)
1:2>Start Cmd:FB: ucmd setenv mmcdev ${emmc_dev}
1:2>Okay (0.589s)
1:2>Start Cmd:FB: ucmd mmc dev ${emmc_dev}
1:2>Okay (0.213s)
1:2>Start Cmd:FB: flash -raw2sparse all /home/neel75/Downloads/LF_v5.4.y-1.0.0_images_MX8MQEVK/imx-image-full-imx8mqevk.sdcard
100%1:2>Okay (542.1s)
1:2>Start Cmd:FB: flash bootloader /home/neel75/Downloads/LF_v5.4.y-1.0.0_images_MX8MQEVK/imx-boot-imx8mqevk-sd.bin-flash_evk
0x400000001:2>Okay (0.422s)
1:2>Start Cmd:FB: ucmd if env exists emmc_ack; then ; else setenv emmc_ack 0; fi;
1:2>Okay (0.011s)
1:2>Start Cmd:FB: ucmd mmc partconf ${emmc_dev} ${emmc_ack} 1 0
1:2>Okay (0.013s)
1:2>Start Cmd:FB: done
1:2>Okay (0s)

 

Flashing Log on UART:

downloading of 1487560 bytes finished
request 00000000fdccb800 was not queued to ep1in-bulk
writing to partition 'bootloader'
Initializing 'bootloader'
switch to partitions #1, OK
mmc0(part 1) is current device
Writing 'bootloader'

MMC write: dev # 0, block # 66, count 2906 ... 2906 blocks written: OK
Writing 'bootloader' DONE!
request 00000000fdccb800 was not queued to ep1in-bulk
Detect USB boot. Will enter fastboot mode!
request 00000000fdccb800 was not queued to ep1in-bulk
Detect USB boot. Will enter fastboot mode!
request 00000000fdccb800 was not queued to ep1in-bulk

 

Observation:

1. Evk not boot-up in internal boot mode

2. I have flashed pribuilt image in evk but not boot-up in internal boot mode.

 

Question:

Please give the suggestion for this issue.

Outcomes