can I using command "loady" to download uImage to board and boot from it? I tried but seems not work...
Code:
uboot > loady
## Ready for binary (ymodem) download to 0x80800000 at 115200 bps...
xyzModem - CRC mode, 37315(SH
)/0(STX)/0(CAN) packets, 1 retries
## Total Size = 0x0048e0a0 = 4776096 Bytes
uboot > iminfo
uboot > iminfo
## Checking Image at 80800000 ...
Unknown image format!
uboot > bootm
Wrong Image Format for bootm command
ERROR: can't get kernel image!
uboot > go 80800000
## Starting application at 0x80800000 ...
undefined instruction
pc : [<80800004>] lr : [<9ffc3e78>]
sp : 9fcb9b90 ip : 00000030 fp : 9fcba100
r10: 00000002 r9 : 9fcb9cdc r8 : 9ffeea84
r7 : 9fcbb890 r6 : 80800000 r5 : 00000002 r4 : 9fcbb894
r3 : 80800000 r2 : 9fcbb894 r1 : 9fcbb894 r0 : 00000001
Flags: nZCv IRQs off FIQs off Mode SVC_32
Resetting CPU ...
resetting ...
U-Boot 2014.04 (Jan 16 2017 - 03:45:34)
CPU: Freescale i.MX6SL rev1.3 at 792 MHz
CPU: Temperature 41 C, calibration data: 0x5835065f
Reset cause: POR
FRED::: EXTCSD177=0, 179=48FSL_SDHC: 0, FSL_SDHC: 1, FSL_SDHC: 2
Board: Heisenberg
Board Id: P0011807624202QJ
S/N: G000K905624*****
I2C: ready
DRAM: MR5=0x3,MR6=0x1 512 MiB
WARNING: Caches not enabled
MMC: FRED::: EXTCSD177=0, 179=48FSL_SDHC: 0, FSL_SDHC: 1, FSL_SDHC: 2
*** Warning - bad CRC, using default environment
In: serial
Out: serial
Err: serial
REBOOTMODE: 0
using default bootcmdNormal Boot
Hit any key to stop autoboot: 0
uboot >