Hello!
I'm using a SinA33 board.
In its MMC from the factory is installed Android.
I compiled ARMbian for it.
ARMbian is loaded from SD.
I installed ARMbian in MMC (nand-sata-install)
But when I boot from MMC - an error ...

Spoiler

HELLO! BOOT0 is starting!
boot0 version : 3.1.0
reg_addr 0x01f00100 =0x00000000
reg_addr 0x01f00104 =0x00000000
reg_addr 0x01f00108 =0x00000000
reg_addr 0x01f0010c =0x00000000
reg_addr 0x01f00110 =0x00000000
reg_addr 0x01f00114 =0x00000000
DRAM DRIVE INFO: V1.4
DRAM CLK =552 MHZ
DRAM simple test OK.
dram size =1024
card boot number = 2
card no is 2
sdcard 2 line count 0
[mmc]: mmc driver ver 2014-06-05 14:18
[mmc]: ***Try SD card 2***
[mmc]: mmc 2 cmd 8 timeout, err 0x00000100
[mmc]: mmc 2 cmd 8 err 0x00000100
[mmc]: mmc 2 send if cond failed
[mmc]: mmc 2 cmd 55 timeout, err 0x00000100
[mmc]: mmc 2 cmd 55 err 0x00000100
[mmc]: mmc 2 send app cmd failed
[mmc]: ***Try MMC card 2***
[mmc]: MMC ver 5.0
[mmc]: SD/MMC Card: 4bit, capacity: 3728MB
[mmc]: vendor: Man 0x00150100 Snr 0x0260d9e2
[mmc]: product: 4FPD3
[mmc]: revision: 5.2
[mmc]: ***SD/MMC 2 init OK!!!***
sdcard 2 init ok
ERROR! NOT find the head of uboot.
Ready to disable icache.
Jump to Fel.

P.S. I'm sorry for my English (
P.P.S I wanted to try changing /boot/script.bin, but it's missing... Where can I find it?

Success!

Spoiler

# echo 0 > /sys/block/mmcblk1boot0/force_ro
# dd if=/usr/lib/linux-u-boot-next-sin-a33_5.41_armhf/u-boot-sunxi-with-spl.bin of=/dev/mmcblk1boot0 bs=1024 seek=8
# echo 1 > /sys/block/mmcblk1boot0/force_ro

 

 

But where I can find /boot/script.bin?