As Jose stated - we should be able to load both the u-boot and the custom
images without bricking the device.
U-Boot gives you the options right after it boots - you would need to
connect to the serial port to be able to access them ( as of now).
Boot output from N900.
Taken from the JP4 Serial port from the motherboard.
------------------------------------------------------------------------------
function :
10000e1cccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccc
Serial: Ubicom32 serdes uart serial driver initialized ba038000
u-boot started
DRAM: 256 MB
flash_init
flash_init: we got MX25L128
Flash: 16 MB
ubi32-nand-spi-er: switch at gpio 162
ubi32-nand-spi-er: found device id 00002018
No SPI-ER NAND detected
*** Warning - bad CRC, using default environment
ipaddr = 192.168.1.1
U-Boot 2009.06-rc3 (Apr 21 2012 - 03:03:33)
SVN revision: 2823
Target board: WRGND-ND15
In: serial
Out: serial
Err: serial
Choose a operation or press SPACE to abort autoboot in 1 seconds
2: Load runtime code via TFTP.
9: Load boot loader code via TFTP.
image addr = b0080000
## Booting kernel from Legacy Image at b0080064 ...
Image Name: WRG-ND15
Image Type: UBICOM32 Linux Multi-File Image (lzma compressed)
Data Size: 12779862 Bytes = 12.2 MB
Load Address: c0100000
Entry Point: c0100000
Contents:
Image 0: 33891 Bytes = 33.1 kB
Image 1: 10424320 Bytes = 9.9 MB
Image 2: 2321634 Bytes = 2.2 MB
Verifying Checksum ... OK
## Loading init Ramdisk from multi component Legacy Image at b0080064 ...
Uncompressing (LZMA) Multi-File Image ... OK
Starting kernel ...
Linux version 2.6.36+ (kevin@BSD2_6_BUILD_SEV) (gcc version 4.4.1 (GCC) )
#1 SMP Fri May 11 21:33:47 CST 2012
processor dram c0100000-d0000000, expecting c0100000-c2000000
processor dram c0100000-d0000000, expecting c0100000-c2000000
processor ocm bffc5200-bffedb00, expecting bffc5200-bffedb00
IP8K Processor, Ubicom, Inc. <www.ubicom.com>
Device Tree:
bfffffcc: sendirq=255, recvirq=255, name=NA
bfffff7c: sendirq=255, recvirq=255, name=board
bffffcec: sendirq=255, recvirq=255, name=bootargs
bfffff30: sendirq=255, recvirq=255, name=gpio
bffffc04: sendirq=255, recvirq=093, name=pciej
bffffbb4: sendirq=255, recvirq=095, name=pciek
bffffb3c: sendirq=255, recvirq=255, name=processor
bffffc54: sendirq=255, recvirq=255, name=storage
bffffca4: sendirq=255, recvirq=024, name=traps
PERCPU: Embedded 2 pages/cpu @c0850000 s4808 r8192 d19768 u65536
pcpu-alloc: s4808 r8192 d19768 u65536 alloc=4*16384
pcpu-alloc: [0] 0 [0] 1 [0] 2 [0] 3 [0] 4
cpu[0]: bootstrap CPU online - tid: 6
Built 1 zonelists in Zone order, mobility grouping off. Total pages: 16367
Kernel command line: console=ttyUM0 console=ttyUS0
serdes=0xba038000,61,250000000 root=/dev/mtdblock0 noinitrd
PID hash table entries: 1024 (order: -2, 4096 bytes)
Dentry cache hash table entries: 32768 (order: 3, 131072 bytes)
Inode-cache hash table entries: 16384 (order: 2, 65536 bytes)
Memory available: 253280k/261376k RAM, (4998k kernel code, 1547k data)
Hierarchical RCU implementation.
RCU-based detection of stalled CPUs is disabled.
Verbose stalled-CPUs detection is disabled.
NR_IRQS:96
timer[33]: timer-primary - created
timer[33]: shutdown
timer[33]: periodic: 6000000 cycles
diff: 75970028, timer has lost 13 ticks [rounded up]
console [ttyUS0] enabled
Linux version 2.6.36+ (kevin@BSD2_6_BUILD_SEV) (gcc version 4.4.1 (GCC) )
#1 SMP Fri May 11 21:33:47 CST 2012
processor dram c0100000-d0000000, expecting c0100000-c2000000
processor dram c0100000-d0000000, expecting c0100000-c2000000
processor ocm bffc5200-bffedb00, expecting bffc5200-bffedb00
IP8K Processor, Ubicom, Inc. <www.ubicom.com>
Device Tree:
bfffffcc: sendirq=255, recvirq=255, name=NA
bfffff7c: sendirq=255, recvirq=255, name=board
bffffcec: sendirq=255, recvirq=255, name=bootargs
bfffff30: sendirq=255, recvirq=255, name=gpio
bffffc04: sendirq=255, recvirq=093, name=pciej
bffffbb4: sendirq=255, recvirq=095, name=pciek
bffffb3c: sendirq=255, recvirq=255, name=processor
bffffc54: sendirq=255, recvirq=255, name=storage
bffffca4: sendirq=255, recvirq=024, name=traps
PERCPU: Embedded 2 pages/cpu @c0850000 s4808 r8192 d19768 u65536
pcpu-alloc: s4808 r8192 d19768 u65536 alloc=4*16384
pcpu-alloc: [0] 0 [0] 1 [0] 2 [0] 3 [0] 4
cpu[0]: bootstrap CPU online - tid: 6
Built 1 zonelists in Zone order, mobility grouping off. Total pages: 16367
Kernel command line: console=ttyUM0 console=ttyUS0
serdes=0xba038000,61,250000000 root=/dev/mtdblock0 noinitrd
PID hash table entries: 1024 (order: -2, 4096 bytes)
Dentry cache hash table entries: 32768 (order: 3, 131072 bytes)
Inode-cache hash table entries: 16384 (order: 2, 65536 bytes)
Memory available: 253280k/261376k RAM, (4998k kernel code, 1547k data)
Hierarchical RCU implementation.
RCU-based detection of stalled CPUs is disabled.
Verbose stalled-CPUs detection is disabled.
NR_IRQS:96
timer[33]: timer-primary - created
timer[33]: shutdown
timer[33]: periodic: 6000000 cycles
diff: 75970028, timer has lost 13 ticks [rounded up]
console [ttyUS0] enabled
console [ttyUM0] enabled
diff: 162360113, timer has lost 28 ticks [rounded up]
Calibrating delay loop... 588.18 BogoMIPS (lpj=2940928)
pid_max: default: 32768 minimum: 301
Mount-cache hash table entries: 2048
cpu[1]: added to cpu_present_map - tid: 2
cpu[2]: added to cpu_present_map - tid: 3
cpu[3]: added to cpu_present_map - tid: 4
cpu[4]: added to cpu_present_map - tid: 5
cpu[1]: launching mainline Linux thread
timer[34]: timer-cpu - created
cpu[1]: came alive after 100 us
cpu[2]: launching mainline Linux thread
timer[35]: timer-cpu - created
timer[35]: shutdown
timer[35]: periodic: 6000000 cycles
cpu[2]: entering cpu_idle()
cpu[2]: came alive after 100 us
cpu[3]: launching mainline Linux thread
timer[36]: timer-cpu - created
timer[36]: shutdown
timer[36]: periodic: 6000000 cycles
cpu[3]: entering cpu_idle()
cpu[3]: came alive after 100 us
cpu[4]: launching mainline Linux thread
timer[37]: timer-cpu - created
timer[37]: shutdown
timer[37]: periodic: 6000000 cycles
cpu[4]: entering cpu_idle()
cpu[4]: came alive after 100 us
Brought up 5 CPUs
timer[34]: shutdown
timer[34]: periodic: 6000000 cycles
cpu[1]: entering cpu_idle()
OCM Instruction Heap 5 KB
NET: Registered protocol family 16
Ubicom GPIO Controller
ubicom32 flash helper init
Added flash 'ubicom32fc'
Added flash 'ubi32-nand-spi-er'
ip8100rgw_init: registering device resources
ip8100rgw_init: registering i2c resources
IP8100 RGW
ubi32_dwc_init:
Parameter Override Signals: 0x0073FFFF
Set usb port 0 to host only
dwc_otg_overide: 0xBA014000 1
USB 2.0 port 0 is brought up
USB 2.0 port 0 irq = 70
Parameter Override Signals: 0x0073FFFF
Set usb port 1 to host only
dwc_otg_overide: 0xBA018000 1
USB 2.0 port 1 is brought up
USB 2.0 port 1 irq = 71
PCI port RJ is added
Trying add PCIe port 0: pciej
PCIe port[0] reset: reset pin 0xba050080:22 clock pin 0xba0500c0:0
PCIe port[0]: endpoint ref clock set to 100 Mhz
diff: 118126065, timer has lost 20 ticks [rounded up]
Polling LTSSM state ... takes up to 1/2 seconds
LTSSM state of port 0 is f, up
diff: 19432962, timer has lost 4 ticks [rounded up]
PCIe port 0: pciej link is up
PCI port RK is added
Trying add PCIe port 1: pciek
PCIe port[1] reset: reset pin 0xba050080:20 clock pin 0xba0500c0:1
PCIe port[1]: endpoint ref clock set to 100 Mhz
diff: 117362928, timer has lost 20 ticks [rounded up]
Polling LTSSM state ... takes up to 1/2 seconds
LTSSM state of port 1 is f, up
PCIe port 1: pciek link is up
diff: 19666252, timer has lost 4 ticks [rounded up]
PCI: bus0: Fast back to back transfers disabled
PCI: bus1: Fast back to back transfers disabled
PCI: bus0: Fast back to back transfers disabled
PCI: bus1: Fast back to back transfers disabled
PCI: Assigning IRQ 00 to 0000:00:00.0
PCI: 0000:01:00.0 swizzling pin 1 => pin 1 slot 0
PCI: 0000:01:00.0 mapping slot 0 pin 1 => irq 92
PCI: Assigning IRQ 92 to 0000:01:00.0
PCI: Assigning IRQ 00 to 0001:00:00.0
PCI: 0001:01:00.0 swizzling pin 1 => pin 1 slot 0
PCI: 0001:01:00.0 mapping slot 0 pin 1 => irq 94
PCI: Assigning IRQ 94 to 0001:01:00.0
pci 0001:00:00.0: BAR 8: assigned [mem 0xbd000000-0xbd0fffff]
pci 0001:01:00.0: BAR 0: assigned [mem 0xbd000000-0xbd01ffff 64bit]
pci 0001:01:00.0: BAR 0: set to [mem 0xbd000000-0xbd01ffff 64bit] (PCI
address [0xbd000000-0xbd01ffff]
pci 0001:01:00.0: BAR 6: assigned [mem 0xbd020000-0xbd02ffff pref]
pci 0001:00:00.0: PCI bridge to [bus 01-ff]
pci 0001:00:00.0: bridge window [io disabled]
pci 0001:00:00.0: bridge window [mem 0xbd000000-0xbd0fffff]
pci 0001:00:00.0: bridge window [mem pref disabled]
pci 0000:00:00.0: BAR 8: assigned [mem 0xbc000000-0xbc0fffff]
pci 0000:01:00.0: BAR 0: assigned [mem 0xbc000000-0xbc01ffff 64bit]
pci 0000:01:00.0: BAR 0: set to [mem 0xbc000000-0xbc01ffff 64bit] (PCI
address [0xbc000000-0xbc01ffff]
pci 0000:01:00.0: BAR 6: assigned [mem 0xbc020000-0xbc02ffff pref]
pci 0000:00:00.0: PCI bridge to [bus 01-ff]
pci 0000:00:00.0: bridge window [io disabled]
pci 0000:00:00.0: bridge window [mem 0xbc000000-0xbc0fffff]
pci 0000:00:00.0: bridge window [mem pref disabled]
bio: create slab <bio-0> at 0
SCSI subsystem initialized
usbcore: registered new interface driver usbfs
usbcore: registered new interface driver hub
usbcore: registered new device driver usb
i2c-gpio i2c-gpio.0: using pins 145 (SDA) and 144 (SCL)
cfg80211: Calling CRDA to update world regulatory domain
Switching to clocksource sysval
NET: Registered protocol family 2
IP route cache hash table entries: 4096 (order: 0, 16384 bytes)
timer[35]: oneshot
timer[33]: oneshot
timer[36]: oneshot
timer[37]: oneshot
timer[34]: oneshot
TCP established hash table entries: 8192 (order: 2, 65536 bytes)
TCP bind hash table entries: 8192 (order: 2, 65536 bytes)
TCP: Hash tables configured (established 8192 bind 8192)
TCP reno registered
UDP hash table entries: 512 (order: 0, 16384 bytes)
UDP-Lite hash table entries: 512 (order: 0, 16384 bytes)
NET: Registered protocol family 1
RPC: Registered udp transport module.
RPC: Registered tcp transport module.
RPC: Registered tcp NFSv4.1 backchannel transport module.
ipProfile (profiling) is not enabled in Ultra. Profiler /proc interface is
disabled.
input: Ubicom32 Input as /devices/platform/ubicom32input/input/input0
squashfs: version 4.0 (2009/01/31) Phillip Lougher
msgmni has been set to 494
Block layer SCSI generic (bsg) driver version 0.4 loaded (major 254)
io scheduler noop registered (default)
ubicom32 PCI: enabling device 0000:00:00.0 (0146 -> 0147)
ubicom32 PCI: enabling device 0001:00:00.0 (0146 -> 0147)
HDLC line discipline maxframe=4096
N_HDLC line discipline registered.
ubicom32 rng started
ubicom32 rng init
Serial: Ubicom32 serdes uart serial driverçttyUS0 at MMIO 0xba038000 (irq =
82) is a UBI32_SERDES
Serial: Ubicom32 mailbox serial driver.
ttyUM0 at MMIO 0xb9000300 (irq = 62) is a ubi32_mailbox_device
brd: module loaded
loop: module loaded
usbcore: registered new interface driver ub
ubicom32fc ubicom32fc.0: mx25l128 (16384 Kbytes)
ubicom32fc.0: the flash image has SEAMA header
find_rootfs: offset 0x00088518, size 10424320
Creating 8 MTD partitions on "ubicom32fc.0":
0x000000088518-0x000000a79518 : "rootfs"
0x000000080000-0x000000f60000 : "upgrade"
0x000000fa0000-0x000000fe0000 : "devconf"
0x000000fe0000-0x000000ff0000 : "devdata"
0x000000f60000-0x000000fa0000 : "langpack"
0x000000000000-0x000001000000 : "flash"
0x000000000000-0x000000080000 : "bootloader"
0x000000ff0000-0x000001000000 : "boot env"
ubi32-nand-spi-er: failed to find id 2018
PPP generic driver version 2.4.2
PPP BSD Compression module registered
PPP MPPE Compression module registered
NET: Registered protocol family 24
tun: Universal TUN/TAP device driver, 1.6
tun: (C) 1999-2004 Max Krasnyansky <m...@qualcomm.com>
ubi32_access init!
usbmon: debugfs is not available
Initializing USB Mass Storage driver...
usbcore: registered new interface driver usb-storage
USB Mass Storage support registered.
usbcore: registered new interface driver libusual
dwc_otg: version 2.90a 23-APR-2009
Core Release: 2.92a
Setting default values for core params
Using Buffer DMA mode
Periodic Transfer Interrupt Enhancement - disabled
Multiprocessor Interrupt Enhancement - disabled
dwc_otg lm0: DWC OTG Controller
dwc_otg lm0: new USB bus registered, assigned bus number 1
dwc_otg lm0: irq 70, io mem 0x00000000
Init: Port Power? op_state=1
Init: Power Port (0)
usb usb1: New USB device found, idVendor=1d6b, idProduct=0002
usb usb1: New USB device strings: Mfr=3, Product=2, SerialNumber=1
usb usb1: Product: DWC OTG Controller
usb usb1: Manufacturer: uClinux 2.6.36+ dwc_otg_hcd
usb usb1: SerialNumber: lm0
hub 1-0:1.0: USB hub found
hub 1-0:1.0: 1 port detected
Core Release: 2.92a
Setting default values for core params
Using Buffer DMA mode
Periodic Transfer Interrupt Enhancement - disabled
Multiprocessor Interrupt Enhancement - disabled
dwc_otg lm1: DWC OTG Controller
dwc_otg lm1: new USB bus registered, assigned bus number 2
dwc_otg lm1: irq 71, io mem 0x00000000
Init: Port Power? op_state=1
Init: Power Port (0)
usb usb2: New USB device found, idVendor=1d6b, idProduct=0002
usb usb2: New USB device strings: Mfr=3, Product=2, SerialNumber=1
usb usb2: Product: DWC OTG Controller
usb usb2: Manufacturer: uClinux 2.6.36+ dwc_otg_hcd
usb usb2: SerialNumber: lm1
hub 2-0:1.0: USB hub found
hub 2-0:1.0: 1 port detected
i2c /dev entries driver
GACT probability NOT on
Mirror/redirect action on
u32 classifier
Performance counters on
Actions configured
nf_conntrack version 0.5.0 (3957 buckets, 15828 max)
nf_conntrack_rtsp v0.6.21 loading
nf_conntrack_rtsp port #0: 554
nf_conntrack_rtsp port #1: 557
xt_time: kernel timezone is -0000
IPv4 over IPv4 tunneling driver
GRE over IPv4 tunneling driver
nf_nat_rtsp v0.6.21 loading
ip_tables: (C) 2000-2006 Netfilter Core Team
TCP cubic registered
NET: Registered protocol family 10
lo: Disabled Privacy Extensions
tunl0: Disabled Privacy Extensions
ip6_tables: (C) 2000-2006 Netfilter Core Team
IPv6 over IPv4 tunneling driver
sit0: Disabled Privacy Extensions
ip6tnl0: Disabled Privacy Extensions
NET: Registered protocol family 17
802.1Q VLAN Support v1.8 Ben Greear <gree...@candelatech.com>
All bugs added by David S. Miller <da...@redhat.com>
lib80211: common routines for IEEE802.11 drivers
leds-gpio: probe of leds-gpio failed with error -22
VFS: Mounted root (squashfs filesystem) readonly on device 31:0.
Freeing unused kernel memory: 160k freed (0xc061c000 - 0xc0640000)
starting pid 943, tty '': '/etc/init.d/rcS'
[/etc/init.d/S10init.sh]
Ubicom GPIO driver Initialized.
IRQ58 requested by fanspeed driver
[/etc/init.d/S14kcode.sh]
GPL NetUSB up!
NetUSB: module license 'Proprietary' taints kernel.
Disabling lock debugging due to kernel taint
kc 86 : run_telnetDBGDServer start
kc 223 : init_DebugD end
INFO1765: NetUSB 1.190, 00020624 : May 11 2012 07:59:23
INFO1767: AUTH ISOC
INFO1768: MOVE_HEAD
INFO0AAB: --- checkSBusTimeoutThread start ---
usbcore: registered new interface driver KC NetUSB General Driver
INFO0076: init proc : PAGE_SIZE 16384
INFO17C6: BULK_ONE_BY_ONE_WITH_SMALL_TIMEOUT
INFO1639: infomap c8e0a168
INFO163C: sleep to wait br0 to wake up
INFO02C7: use dev Name br0 : fail
[/etc/init.d/S14paragon.sh]
ufsd: driver (8.6 (NTFS4LINUX_U86_015_S[2012-04-03-15:10:16]), LBD=ON,
delalloc, ioctl, bdi) loaded at c9200000
NTFS (with native replay) support included
Hfs+/HfsX support included
Big endian platform
optimized: speed
Built_for__WD_Stingray_Pro_2012-04-02
On Mon, Apr 7, 2014 at 4:48 AM, José Vázquez <ppvazquez...@gmail.com> wrote:
> Seems that these boards have u-boot as bootloader so you should can
> upload your firms to RAM and boot them in it.
>
> 2014-04-06 1:30 GMT+02:00, Luis E. Garcia <l...@bitamins.net>:
> > Constantine,
> > The JP1 headers are present on the N900 just as they are on the N750.
> > I'll put a copy of the boot output on the console next week.
> >
> > The original firmware for these devices seems to be linux based ( the GPL
> > code from the manufacturer ).
> > I've used the recovery procedure to install my custom version of the
> > original firmware on my N900.
> > The WD MyNet range are really developer friendly and very hard to brick.
> >
> > Regards,
> > Luis E. Garcia
> >
> >
> > On Sat, Apr 5, 2014 at 2:16 PM, Constantine A. Murenin
> > <muren...@gmail.com>wrote:
> >
> >> Hi Luis,
> >>
> >> I'm also interested in trying out the waters by porting OpenWrt over.
> >> I've noticed reports that WD My Net routers appear to be
> >> developer-friendly -- according to the reports like
> >> https://wikidevi.com/wiki/Western_Digital_My_Net_N750, the models sold
> >> to end-users still do have the serial header present (JP1 on N750);
> >> and also have the special recovery procedure from a failed firmware
> >> update (http://wiki.openwrt.org/toh/wd/n900#recovery.procedure and
> >>
> >>
> http://wdc.custhelp.com/app/answers/detail/a_id/9618/~/how-to-recover-a-my-net-router-from-a-failed-firmware-update
> >> ).
> >>
> >> Do you at all know if the recovery procedure could be used to test out
> >> custom firmwares without the possibility of bricking the device?
> >>
> >> Cheers,
> >> Constantine.
> >>
> >> On 3 April 2014 14:31, Luis E. Garcia <l...@bitamins.net> wrote:
> >> > Constantine,
> >> > I'm looking into porting OpenWRT to the WD MyNet N900.
> >> > Since the IP8K has an mmu it should be able to compile without too
> much
> >> > issues.
> >> > I'm currently trying to get the toolchain from trunk to work.
> >> >
> >> > Regards,
> >> > Luis E. Garcia
> >> >
> >> >
> >> > On Thu, Apr 3, 2014 at 3:55 AM, José Vázquez <ppvazquez...@gmail.com>
> >> wrote:
> >> >>
> >> >> 2014-04-03 6:58 GMT+02:00, Constantine A. Murenin
> >> >> <muren...@gmail.com>:
> >> >> > Hello,
> >> >> >
> >> >> > It has come to my attention that the recently discontinued WD My
> Net
> >> >> > line of dual-band routers is just about the best bang for the buck
> >> >> > --
> >> >> > they're currently selling N900 (w/ 8x GigE and 256MB of RAM) for
> >> >> > 49,99
> >> >> > USD at Staples, or 39,99 USD if you order it in person from the
> >> >> > store
> >> >> > with the 20% in-store coupon, off from the original price of 149,99
> >> >> > USD. This firesale appears to come and go since late 2013, even
> >> >> > before the whole line was discontinued in early 2014 (for example,
> >> >> > Staples still appears to have some N750 left, but it's not on sale
> >> >> > this week, unlike N900).
> >> >> >
> >> >> > http://wiki.openwrt.org/toh/wd/n900
> >> >> >
> >> >> >
> >>
> http://www.staples.com/WD-My-Net-N900-HD-Dual-Band-Router/product_937135
> >> >> >
> >> >> > However, N900 it's not supported by OpenWRT -- the whole Ubicom
> IP8K
> >> >> > platform is not supported.
> >> >> >
> >> >> > Is there a reason for that?
> >> >> >
> >> >> > What would it take to add the support?
> >> >> >
> >> >> > WD My Net N900 looks like just about the best piece of hardware
> over
> >> >> > at http://wiki.openwrt.org/toh/start list, this repeated firesale
> >> >> > price of 39,99 USD is just insane and is easily 3x less than the
> >> >> > competition -- might be a good motivator for adding support to
> >> >> > OpenWRT.
> >> >> >
> >> >> > Cheers,
> >> >> > Constantine.
> >> >> > _______________________________________________
> >> >> > openwrt-devel mailing list
> >> >> > openwrt-devel@lists.openwrt.org
> >> >> > https://lists.openwrt.org/cgi-bin/mailman/listinfo/openwrt-devel
> >> >> >
> >> >> AFAIK ubicom32 was deprecated because it was hard to maintain, need a
> >> >> different toolchain, ip6k and ip5k had not mmu and some other things.
> >> >> IP8k seems to have mmu and some interesting features, but still has
> >> >> its own architecture.
> >> >> Take a look at this link to check the status:
> >> >>
> >> >>
> >>
> https://dev.openwrt.org/browser/branches/attitude_adjustment/target/linux/ubicom32
> >> >> The GCC version is 4.4.7.
> >> >>
> >> >> Regards:
> >> >>
> >> >> Pepe
> >> >> _______________________________________________
> >> >> openwrt-devel mailing list
> >> >> openwrt-devel@lists.openwrt.org
> >> >> https://lists.openwrt.org/cgi-bin/mailman/listinfo/openwrt-devel
> >>
> >
>
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