串口信息：
Loading Ramdisk to 43c56000, end 43cfaecc ... OK
Loading Device Tree to 413f1000, end 413ff24c ... OK
Starting kernel ...
Error: invalid dtb and unrecognized/unsupported machine ID
r1=0x00001200, r2=0x00000000
Available machine support:
ID (hex) NAME
ffffffff Generic DT based system
ffffffff SAMSUNG EXYNOS (Flattened Device Tree)
Please check your kernel config and/or bootloader.
感觉是DTB文件在内存的地址没有传给内核。不知道如何解决，求大神帮忙。
开发版 tiny4412. uboot友善之臂自带的修改过的。内核Linux4.19.鸿蒙系统里自带的应该是原版的。
通过SD卡启动uboot。fatload 加载 内核等文件。bootm 启动。
从头到尾完整串口信息：
OK
U-Boot 2010.12 (Nov 29 2022 - 04:13:04) for TINY4412
CPU: S5PC220 [Samsung SOC on SMP Platform Base on ARM CortexA9]
APLL = 1400MHz, MPLL = 800MHz
Board: TINY4412
DRAM: 1023 MiB
vdd_arm: 1.2
vdd_int: 1.0
vdd_mif: 1.1
BL1 version: N/A (TrustZone Enabled BSP)
Checking Boot Mode ... SDMMC
REVISION: 1.1
MMC Device 0: 7566 MB
MMC Device 1: 7456 MB
MMC Device 2: N/A
*** Warning - using default environment
Net: No ethernet found.
Hit any key to stop autoboot: 0
reading kernel..device 0 Start 1057, Count 12288
MMC read: dev # 0, block # 1057, count 12288 ... 12288 blocks read: OK
completed
reading RFS..device 0 Count 13345, Start 2048
MMC read: dev # 0, block # 13345, count 2048 ... 2048 blocks read: OK
completed
Wrong Image Format for bootm command
ERROR: can't get kernel image!
TINY4412 # fatload mmc 0:1 0x40600000 uImage
Partition1: Start Address(0x35bce0), Size(0xb47044)
reading uImage
6643432 bytes read
TINY4412 # fatload mmc 0:1 0x42000000 ramdisk.img
Partition1: Start Address(0x35bce0), Size(0xb47044)
reading ramdisk.img
675596 bytes read
TINY4412 # fatload mmc 0:1 0x43000000 exynos4412-tiny4412.dtb
Partition1: Start Address(0x35bce0), Size(0xb47044)
reading exynos4412-tiny4412.dtb
45645 bytes read
TINY4412 # bootm 0x40600000 0x42000000 0x43000000
## Booting kernel from Legacy Image at 40600000 ...
Image Name: Linux-4.19.155
Image Type: ARM Linux Kernel Image (uncompressed)
Data Size: 6643368 Bytes = 6487 KiB
Load Address: 40008000
Entry Point: 40008000
Verifying Checksum ... OK
## Loading init Ramdisk from Legacy Image at 42000000 ...
Image Name: ramdisk
Image Type: ARM Linux RAMDisk Image (uncompressed)
Data Size: 675532 Bytes = 675532 0iB
Load Address: 40800000
Entry Point: 40800000
Verifying Checksum ... OK
## Flattened Device Tree blob at 43000000
Booting using the fdt blob at 0x43000000
Loading Kernel Image ... OK
OK
## Loading init Ramdisk from Legacy Image at 42000000 ...
Image Name: ramdisk
Image Type: ARM Linux RAMDisk Image (uncompressed)
Data Size: 675532 Bytes = 675532 0iB
Load Address: 40800000
Entry Point: 40800000
Verifying Checksum ... OK
Loading Ramdisk to 43c56000, end 43cfaecc ... OK
Loading Device Tree to 413f1000, end 413ff24c ... OK
Starting kernel ...
Error: invalid dtb and unrecognized/unsupported machine ID
r1=0x00001200, r2=0x00000000
Available machine support:
ID (hex) NAME
ffffffff Generic DT based system
ffffffff SAMSUNG EXYNOS (Flattened Device Tree)
Please check your kernel config and/or bootloader.
