CPU:   Allwinner A10 (SUN4I)
Board: A10_MID_1GB
I2C:   ready
DRAM:  1 GiB
MMC:   SUNXI SD/MMC: 0
*** Warning - bad CRC, using default environment

In:    serial
Out:   serial
Err:   serial
Hit any key to stop autoboot:  0
sun4i#fatload
undefined instruction
pc : [<000010ac>]          lr : [<7ffa7008>]
sp : 7fe6ee20  ip : 00000001     fp : 00000000
r10: 7fe6f2e8  r9 : 00000001     r8 : 7fe6ef48
r7 : 00000000  r6 : 00000000     r5 : 00000000  r4 : 7ffbc1e8
r3 : 7fe6ee20  r2 : 7ffbc23c     r1 : 00000000  r0 : 7ffbc23c
Flags: nzcv  IRQs off  FIQs off  Mode SVC_32