Linksys EA9300 (восстановить CFE.bin)

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nikkadimka
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Joined: 21 Aug 2019
Posts: 4

PostPosted: Wed Aug 21, 2019 15:32    Post subject: Linksys EA9300 (восстановить CFE.bin) Reply with quote
День добрый

Нужен совет, есть роутер Linksys EA9300б имел проблему постоянными перезагрузками, перепрошикив не помогали, был доступ к CFE:

Quote:
[...]
----
TRY0
NAN3
JFS2
RFS1
JFFS
JFS2
NAN5


Base: 5.2_02HNDrc17
CFE version: v1.1.1
Build Date: Tue May 23 17:24:59 CST 2017

Boot Strap Register: 0x6fd42
Chip ID: BCM4908_A0, Broadcom B53 Quad Core: 1800MHz
Total Memory: 536870912 bytes (512MB)
Status wait timeout: nandsts=0x50000000 mask=0x40000000, count=0
NAND ECC BCH-4, page size 0x800 bytes, spare size used 64 bytes
NAND flash device: , id 0xefda block 128KB size 262144KB
pmc_init:PMC using DQM mode
pmc_init:7 0 45040f 34a0347
Board IP address : 192.168.1.1:ffffff00
Host IP address : 192.168.1.254
Gateway IP address :
Run from flash/host/tftp (f/h/c) : f
Default host run file name : vmlinux_rd_boot
Default host flash file name : bcm963xx_fs_kernel
Boot delay (0-9 seconds) : 4
Boot image (0=latest, 1=previous) : 0
Default host ramdisk file name : ramdisk
Default ramdisk store address : 0x8000000
Default DTB file name : 94908.dtb
Board Id : EA9300
Number of MAC Addresses (1-64) : 11
Base MAC Address : 58:ef:68:xx:xx:xx
PSI Size (1-128) KBytes : 48
Enable Backup PSI [0|1] : 0
System Log Size (0-256) KBytes : 0
Auxillary File System Size Percent: 0
flow memory allocation (MB) : 14
buffer memory allocation (MB) : 32
DHD 0 memory allocation (MB) : 14
DHD 1 memory allocation (MB) : 0
DHD 2 memory allocation (MB) : 0
WLan Feature : 0x00
Partition 1 Size (MB) : 8M
Partition 2 Size (MB) : 2M
Partition 3 Size (MB) : 76M
Partition 4 Size (MB) (Data) : 8M
Partition 5 Size (MB) : 1M

Initalizing switch low level hardware.
Software Resetting Switch ... Done.
Waiting MAC port Rx/Tx to be enabled by hardware ...Done
Disable Switch All MAC port Rx/Tx
devinfo: block read
devinfo: data is valid!
*** Press any key to stop auto run (4 seconds) ***
Auto run second count down: 4
Enable Switch MAC Port Rx/Tx, set PBVLAN to FAN out, set switch to NO-STP.
CFE>


пока сам не сделал ошибку и не сбросил его NAND с перезагрузкой:

Quote:
CFE> help
Available commands:

otpcfg Reading/fusing potp/sotp bits
x Change extra partitions size
find Find string in NAND
comp Compare NAND blocks
fb Find NAND bad blocks
dn Dump NAND contents along with spare area
phy Set memory or registers.
meminfo Display CFE System Memory
kernp Updates extra bootloader parameter for kernel. To end input enter // consecutively at any time then press <enter>
mfg mfg tools
bd boot delay setup
sm Set memory or registers.
db Dump bytes.
dh Dump half-words.
dw Dump words.
devinfo devinfo - devinfo handling commands
w Write the whole image start from beginning of the flash
e Erase NAND flash
wp Write pmc (previously loaded through JTAG to flash block 0.
ws Write whole image (priviously loaded by kermit or JTAG) to flash .
ldt load device tree blob from tftp server.
go goto and execute from specefic address.
loadb load binary via network or kermit protocol.
r Run program from flash image or from host depending on [f/h/c] flags
p Print boot line and board parameter info
c Change booline parameters
i Erase persistent storage data
avs Change AVS config
ddr Change board DDR config
a Change board AFE ID
b Change board parameters
reset Reset the board
reboot
pmdio Pseudo MDIO access for external switches.
spi Legacy SPI access of external switch.
pmc pmc cmd
closeavs pmc close avs cmd
cpufreq set CPU frequency
force override chipid check for images.
help Obtain help for CFE commands

For more information about a command, enter 'help command-name'
*** command status = 0
CFE> e
'e b' to reinitialize NAND flash or 'e a' to erase kernel
*** command status = 0
CFE> e b
Reinitialize NAND flash? (y/n):y

Now think carefully. Do you really,
really want to reinitialize the NAND flash? (y/n):y
Initializing GOOD BLOCKS only.
*** command status = 0
CFE> reboot

Resetting board in 0 seconds...----
BTRM
V1.6
CPU0
L1CD
MMUI
MMU7
DATA
ZBBS
MAIN
OTP?
OTPP
USBT
NAND
IMG?
FAIL
----


теперь в serail только вот это:

Quote:
BTRM
V1.6
CPU0
L1CD
MMUI
MMU7
DATA
ZBBS
MAIN
OTP?
OTPP
USBT
NAND
IMG?
FAIL


на сколько я понимаю теперь только jtag? помогите плз кто имеет опыт, идентифицировать пины для него, к сожалению не очевидна разводка, спасибо!
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