Open qianfan-Zhao opened 2 years ago
UUU don't create partition. it is hardcode and write to 1k offset. wic's image partition table already skip this space
@nxpfrankli
I can flash bootloader by using dd: 'dd if=u-boot-with-spl.imx of=/dev/sdx bs=1K seek=1', but failed with uuu: 'uuu -b sd burn u-boot-with-spl.imx'
how to flash bootloader by uuu?
uuu -b sd u-boot-with-spl.imx
your uboot need enable fastboot support
I am tested with 'mx6ul_14x14_evk_defconfig', fastboot is enabled. it doesn't work.
what's problem your met? Any log from uart?
All the test under: '2021.04+fslc':
make mx6ul_14x14_evk_defconfig
make -j4
u-boot-with-spl.imx is generated, but 'uuu u-boot-with-spl.imx' doesn't work. Download and startup the bootloader by imx_usb:
imx_usb SPL
imx_usb u-boot.img
After that the u-boot is startup, I can connect the device by using fastboot or uuu.
My board work in 'serial download' mode, no emmc. A microSD card is connected on MMC1. I want burn u-boot-with-spl.bin to microSD card, but failed:
➜ u-boot-fslc git:(2021.04+fslc) ✗ uuu -b sd u-boot-with-spl.imx
uuu (Universal Update Utility) for nxp imx chips -- libuuu_1.2.135-324-g0e14621
Success 0 Failure 1
2:15 4/ 5 [invalid partition or device ] FB: flash bootloader u-boot-with-spl.imx
It reported that can't find a partition named 'bootloader'
** Bad device specification mmc bootloader **
Couldn't find partition mmc bootloader
Not sure what version of uboot do you use?
it should miss some patch, refer:
https://source.codeaurora.org/external/imx/uboot-imx/tree/drivers/fastboot/fb_fsl?h=lf_v2020.04
uuu download spl, it should be
uuu spl. uuu SDPU: write -f uboot.img uuu SDPU: Jump.
uuu supposed spl and uboot.img package into a file, such as flash.bin. but still need some patch to support. I am not sure if such patch upstreamed.
uuu -b spl flash.bin
@nxpfrankli Thanks for yours guide. I used u-boot-fslc cloned from: u-boot-fslc, it is leak some patchs.
I will try u-boot-imx.
but why nxp maintain two version of u-boot(u-boot-fslc and uboot-imx)?
Hi:
I found this scripts in uuu/sd_burn_loader.lst
And have some quesitions:
Thanks