u-boot-flash-20120511.zip

INSTRUKCJA WGRANIA BOOTLOADERA I OPENWRT:
Po podłączeniu kabelków i przejściówki USB włączamy router i tu trzeba bardzo szybko wcisnąć 3x spację, żeby wejść do bootloadera.


Wchodzimy w tryb administracyjny i wpisujemy U potem 0 i Yes:

[DANUBE Boot]:!

Enter Administrator Mode !

======================
[#] Set Serial Number
[2] Use Normal Firmware
[3] Use ART-Testing Firmware
[9] Taggle ART Firmware Enable/Disable
[A] Set MAC Address
[E] Erase Flash
[G] Run Runtime Code
[h] Set Options
[M] Upload to Memory
[P] Print Boot Params
[R] Read from Memory
[T] Memory Test
[u] Upload to Flash
[V] Set Board Version
[W] Write to Memory
[Y] Go to Memory
[Z] Dump DDR Ram Register
======================

[DANUBE Boot]:U


UPLOAD Flash
---------------------------------------
Area Address Length
---------------------------------------
[0] Boot 0xB0000000 128K
[1] Configuration 0xB0020000 512K
[2] Special Area 0xB00A0000 64K
[3] Code Image 0xB00B0000 7424K
[4] Boot Params 0xB07F0000 64K
[5] Flash Image 0xB0000000 8192K
---------------------------------------
Enter area to UPLOAD: 0
Upload area 0. Are you sure? (Y/n) Yes

Starting XModem download...(press Enter to abort)
CCC done
erase from location B0002000 done
erase from location B0004000 done
erase from location B0006000 done
erase from location B0008000 done
erase from location B000A000 done
erase from location B000C000 done
erase from location B000E000 done

Starting to write flash ...write length 0x00010000
0123
Start checking: flash area 0 length 65536 ...Done.

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Wysyłamy do routera, polecenie wykonujemy w innym oknie konsoli (wymaga zainstalowanego pakietu lrzsz):
sx -vv u-boot-20120511.bin < /dev/ttyUSB0 > /dev/ttyUSB0
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Kiedy zakończy się transfer Enter i wpisujemy Y po czym znów zatwierdzamy Enter.

Po restarcie routera wita nas bootloader ARV4518PW i nie warto wgrywać innego, bo ten ma opcję loady.

Zabezpieczamy partycję u-boot:
protect on 0xb0000000 +10000

Obraz LEDE: https://downloads.openwrt.org/releases/17.01.7/targets/lantiq/xway/lede-17.01.7-lantiq-xway-ARV752DPW-squashfs-sysupgrade.bin
Oczywiście można sobie wgrać inny, wedle uznania.

Ładujemy do pamięci:
loady 0x80500000

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Kopiujemy obraz w innym oknie konsoli:
sx -vv lede-17.01.7-lantiq-xway-ARV752DPW-squashfs-sysupgrade.bin < /dev/ttyUSB0 > /dev/ttyUSB0
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Kasujemy i wgrywamy w oknie z bootloaderem:
era ${kernel_addr} +${filesize};cp.b ${ram_addr} ${kernel_addr} ${filesize}

Uruchamiamy OpenWRT:
bootm ${kernel_addr}

Zalecam jednak wyłączenie routera na chwilę z prądu zamiast uruchamiania systemu z poziomu bootloadera.



Powrót z LEDE/OpenWRT do oryginalnego oprogramowania opisany jest tu:
http://eko.one.pl/forum/viewtopic.php?pid=209017#p209017