大家所说的无法输入命令是根本就连打字都打不进去的那种情况，你回答的这个是能打字进去只是没法执行命令，完全是答非所问了。
我出现了故障一，是GND线接错了。改好了就可以了。
monitor:reply
GXLX2:BL1:3cfee7:42a5ae;FEAT:ADFD318C:0;POC:3;RCY:0;EMMC:0;READ:0;0.0;CHK:0;
TE: 126108
BL2 Built : 13:36:55, Jun 22 2020.
gxl g85d6ad1 - longyong.chen@droid02-sz
Board ID = 2, adc=156
set vcck to 1070 mv
set vddee to 1070 mv
CARD_3 high, old board
CPU clk: 1200MHz
DDR3 chl: Rank0+1 @ 792MHz - FAIL
DDR3 chl: Rank0 @ 792MHz - FAIL
DDR3 chl: Rank0 16bit @ 792MHz - FAIL
DDR4 chl: Rank0+1 @ 864MHz - FAIL
DDR4 chl: Rank0 @ 864MHz
bist_test rank: 0 2f 10 4f 2c 10 49 1f 00 3f 36 1a 53 2c 0d 4c 2b 10 46 21 03 3f 30 13 4e 609 - PASS
Rank0: 2048MB(auto)-2T-18
AddrBus test pass!
-s
Load fip header from eMMC, src: 0x0000c200, des: 0x01400000, size: 0x00004000
New fip structure!
Load bl30 from eMMC, src: 0x00010200, des: 0x013c0000, size: 0x00007600
Load bl301 from eMMC, src: 0x00018200, des: 0x01380000, size: 0x00002400
Load bl31 from eMMC, src: 0x0001c200, des: 0x10100000, size: 0x00019600
Load bl33 from eMMC, src: 0x00038200, des: 0x01000000, size: 0x0007b000
NOTICE:BL3-1: v1.0(debug):361f8a7
NOTICE:BL3-1: Built : 16:43:26, Dec 19 2018
NOTICE:BL31: GXL normal boot!
NOTICE:BL31: BL33 decompress pass
efuse init ops = c5
efuse init hdcp = c, cf9=7
x2_hp_e = 0
bl30: check_permit, count is 1
bl30: check_permit: ok!
chipid: 0 0 3 c c 0 6e b3 60 a0 0 c5 not ES chip
INFO: BL3-1: Initializing runtime services
WARNING: No OPTEE provided by BL2 boot loader
ERROR: Error initializing runtime service opteed_fast
INFO: BL3-1: Preparing for EL3 exit to normal world
INFO: BL3-1: Next image address = 0x1000000
INFO: BL3-1: Next image spsr = 0x3c9
DRAM:
MMC: In: Out: Err: wipe_data=successfulSecd
wipe_cache=successful
upgrade_step=2
: tee size: 0
rebootmode=cold_boot
OK
OK
OK
[ 0.000000@0] Initializing cgroup subsys cpu
[ 0.000000@0] Initializing cgroup subsys cpuacct
[ 0.000000@0] Linux version 3.14.29-g18c40508-dirty (yuchangming@T2) (gcc version 4.9.1 20140529 (prerelease) (crosstool-NG linaro-1.13.1-4.9-2014.07 - Linaro GCC 4.9-2014.06) ) #2 SMP PREEMPT Fri Feb 26 19:44:54 CST 2021
[ 0.000000@0] CPU: ARMv71 Processor revision 4
[ 0.000000@0] bootconsole enabled
get_dvfs_info 0002
INFO: HDCP22 key read fail!
INFO: p1d 0
INFO: pd1 0
: tee size: 0
: tee size: 0
: tee size: 0
: tee size: 0
WARNING: Unimplemented Sip Call: 0x82000036
root@p201_iptv:/ #
我的也是不能够，真正学习
线没接错，第一种情况
线没接错，第一种情况，更换线序PUTTY无反应
跑码出现跑码后报sd 0:0:0:0: No Caching mode page found sd 0:0:0:0: Assuming drive cache: write through
出现这个咋回事
学习了，这个问题弄两天了