Gemini - new device IB-NAS4210-B

cptspock at cptspock at
Fri Apr 16 22:14:05 BST 2021


I try to bring openWRT to the IB-NAS4210-B. It is a SL3512 based NAS device, 
similiar to the IB-NAS4220-B, which ist SL3516.

For now i created a new device file and edited some other files. All that work 
is based on IB-NAS4220-B, mixed with some details from D-LINK DNS-313. I can 
build a new firmware and the device can boot with it.

My problem is, that the filesystem is read only. For some reason, the jffs2 is 
not overlayed. The flash layout is detected. This is from booting the system:

[    4.087617] physmap-flash 30000000.flash: no enabled pin control state
[    4.128240] physmap-flash 30000000.flash: no disabled pin control state
[    4.168363] physmap-flash 30000000.flash: initialized Gemini-specific physmap 
[    4.230887] physmap-flash 30000000.flash: physmap platform flash device: [mem 
[    4.286353] 30000000.flash: Found 1 x16 devices at 0x0 in 16-bit bank. 
Manufacturer ID 0x000001 Chip ID 0x002101
[    4.486795] number of CFI chips: 1
[    4.508847] Searching for RedBoot partition table in 30000000.flash at offset 
[    4.681904] 7 RedBoot partitions found on MTD device 30000000.flash
[    4.749231] Creating 7 MTD partitions on "30000000.flash":
[    4.837421] 0x000000000000-0x000000020000 : "BOOT"
[    4.878921] 0x000000020000-0x000000220000 : "Kern"
[    4.949534] 0x000000320000-0x0000003d9493 : "Ramdisk"
[    5.030126] 0x000000920000-0x000000f20000 : "Application"
[    5.079399] 0x000000f20000-0x000000f40000 : "VCTL"
[    5.119852] 0x000000f40000-0x000000fe0000 : "CurConf"
[    5.169166] 0x000000fe0000-0x000001000000 : "FIS directory"

I read in the wiki, openwrt searches for a partition named 'rootfs'. But his is 
missing here.

I can give more information as needed, but I#m not sure what.

I'd like to send a patch, when everything is working.

Hope some one can help.


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