fault when downloading u-boot to ARM cortex-A9

When downloading u-boot to the ARM via xsct in linux terminal it downloads fine

xsct% dow u-boot                                                                
Downloading Program -- /home/jack/Documents/Linux/u-boot
    section, .text: 0x10000000 - 0x1000038f
    section, .efi_runtime: 0x10000390 - 0x10000c9f
    section, .text_rest: 0x10000ca0 - 0x10030b1f
    section, .rodata: 0x10030b20 - 0x100390c1
    section, .hash: 0x100390c4 - 0x100390db
    section, .dtb.init.rodata: 0x100390e0 - 0x1003953f
    section, .data: 0x10039540 - 0x1003bca3
    section, .got.plt: 0x1003bca4 - 0x1003bcaf
    section, .u_boot_list: 0x1003bcb0 - 0x1003c753
    section, .efi_runtime_rel: 0x1003c754 - 0x1003c7f3
    section, .rel.dyn: 0x1003c7f4 - 0x1004332b
    section, .bss_start: 0x1003c7f4 - 0x1003c7f3
    section, .bss: 0x1003c7f4 - 0x10042003
    section, .bss_end: 0x10042004 - 0x10042003
    section, .dynsym: 0x1004332c - 0x1004335b
    section, .dynstr: 0x1004335c - 0x1004335c
    section, .dynamic: 0x10043360 - 0x100433ef
    section, .gnu.hash: 0x100433f0 - 0x10043407
100%    0MB   0.2MB/s  00:01                                                    
Setting PC to Program Start Address 0x10000000
Successfully downloaded /home/jack/Documents/Linux/u-boot
xsct% con                                                                       
Info: ARM Cortex-A9 MPCore #0 (target 2) Running           
xsct% 

does anyone know why this isn't starting up in the terminal, i have it connected as seen below but nothing comes up?

jack@jack:~$ sudo picocom --b 115200 --f n --p n /dev/ttyACM0
picocom v2.2

port is        : /dev/ttyACM0
flowcontrol    : none
baudrate is    : 115200
parity is      : none
databits are   : 8
stopbits are   : 1
escape is      : C-a
local echo is  : no
noinit is      : no
noreset is     : no
nolock is      : no
send_cmd is    : sz -vv
receive_cmd is : rz -vv -E
imap is        : 
omap is        : 
emap is        : crcrlf,delbs,

Type [C-a] [C-h] to see available commands

Terminal ready

Thanks in Advance.