使用uboot2018编译后使用dd命令下载uboot-dtb-imx
output
U-Boot 2018.03 (Dec 12 2022 - 15:46:27 +0800)
CPU: Freescale i.MX6ULL rev1.1 792 MHz (running at 396 MHz)
CPU: Industrial temperature grade (-40C to 105C) at 32C
Reset cause: POR
Model: Freescale i.MX6 ULL 14x14 EVK Board
Board: MX6ULL 14x14 EVK
DRAM: 512 MiB
MMC: FSL_SDHC: 0, FSL_SDHC: 1
switch to partitions #0, OK
mmc0 is current device
Loading Environment from MMC... *** Warning - bad CRC, using default environment
Failed (-5)
Display: TFT7016 (1024x600)
Video: 1024x600x24
In: serial
Out: serial
Err: serial
switch to partitions #0, OK
mmc0 is current device
flash target is MMC:0
Net: No ethernet found.
fastboot key pressed
Fastboot: Got bootloader commands!
image is zImage
dts is 100ask_myir_imx6ull_mini.dtb
SD partition is following
p [lists the current partitions]
d [to delete existing partitions. Repeat this until no
unnecessary partitions
are reported by the 'p' command to start fresh.]
n [create a new partition]
p [create a primary partition - use for both
partitions]
1 [the first partition]
20480 [starting at offset sector]
1024000 [ending position of the first partition to be used
for the boot images]
p [to check the partitions]
n
p
2
1228800 [starting at offset sector, which leaves enough space
for the kernel,
the bootloader and its configuration data]
<enter> [using the default value will create a partition that
extends to
the last sector of the media]
p [to check the partitions]
w [this writes the partition table to the media and
fdisk exits]
是我哪里做错了吗？