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--- toh:cisco:epc3925 [2014/03/02 18:57]
fel2009
+++ toh:cisco:epc3925 [2015/12/14 16:02] (current)
tmomas New bootlog formatting applied
@@ Line 1: / Line 1: @@
+====== Cisco EPC3925 ======
+[[doc:hardware:soc:soc.broadcom.bcm33xx|BCM33xx]]
+This is a DOCSIS 3.0 Wireless cable Residential Gateway. It uses an eCos operating system. It seems it shares the same hardware with the Netgear CG3100D/CG3101D, Motorola SBG6580, Virgin Media Super Hub VMDG480.
+| {{:meta:icons:tango:package-x-generic.png|}} | There exist GPL sources available from [[ftp://downloads.netgear.com/files/GPL/|Netgear FTP]]:\\ [[ftp://downloads.netgear.com/files/GPL/CG3100_GPL_src.zip|CG3100_GPL_src.zip]] eCos source code (38 MB) \\ [[ftp://downloads.netgear.com/files/GPL/CG3100Dv2_V5.5.5.83.mp2_LxG1.0.5.83.mp2_EU_src.zip|CG3100Dv2_V5.5.5.83.mp2_LxG1.0.5.83.mp2_EU_src.zip]] eCos and Linux source code\\ \\ visit [[ftp://downloads.netgear.com/files/GPL/|Netgear FTP]], models CG3xxx seems to share similar hardware |
+===== Hardware Highlights =====
+^ SoC       ^ Ram     ^ Flash   ^ Network   ^ USB   ^ Serial   ^ JTag   ^
+| BCM3380   | 64MiB   | 16MiB   | 4         | Yes   | Yes      | ?      |
+==== Failsafe mode ====
+-> [[doc:howto:generic.failsafe]]
+===== Hardware =====
+==== Info ====
+| **[[wp>Instruction set|Instruction set]]:**  | [[wp>MIPS architecture|MIPS]] |
+| **Vendor:**          | [[wp>Broadcom]] |
+| **[[doc:techref:Bootloader]]:**     | Unknown (see bootlog and guess) |
+| **[[doc:hardware:soc|System-On-Chip]]:**  | [[http://datasheet.elcodis.com/pdf/48/45/484522/bcm3380dkfsbg.pdf|Broadcom BCM3380]] |
+| **[[doc:hardware:cpu|CPU]] @Frq**   | FIXME @333MHz|
+| **Flash-Chip:**      | Macronix MX25L12845EMI-10G (SPI) |
+| **Flash size:**      | 16 MiB      |
+| **RAM:**             | FIXME / DDR2-667 |
+| **RAM size:**        | 64 MiB      |
+| **Wireless:**        | Broadcom BCM43225 (802.11b/g/n) (MiniPCIe) |
+| **Ethernet:**        | Atheros AR8316, switch Gigabit w/ vlan support [[doc:techref:swconfig]] |
+| **Internet:**        | DOCSIS 3.0  |
+| **USB:**             | Yes 1 x 2.0 |
+| **[[doc:hardware:port.serial|Serial]]:**   | [[#Serial|Yes]]   |
+| **[[doc:hardware:port.jtag|JTAG]]:**       | [[#JTAG|?]]       |
+==== Photos ====
+**Casing**\\
+{{media:cisco:epc3925_case1.jpeg?350x200|}}
+{{media:cisco:epc3925_case2.jpg?500x200|}}
+==== Opening the case ====
+**Note:** This will void your warranty!
+  *To remove the cover just unscrew the screws at the bottom of the case.
+**Photo of PCB**\\
+{{media:cisco:epc3925_board0.jpg?500|}}
+==== Serial ====
+-> [[doc:hardware:port.serial]] general information about the serial port, serial port cable, etc.
+FIXME
+How to connect to the Serial Port of this specific device:
+FIXME
+**Photo of PCB with markings**
+Use a serial TTL adapter to connect.
+==== Flash chip programming ====
+-> [[doc:hardware:port.jtag]] general information about the JTAG port, JTAG cable, etc.
+FIXME
+{{media:cisco:epc3925_flashchip0.jpg?500x300|}}
+===== Debricking =====
+-> [[doc:howto:generic.debrick]]
+===== Bootloader Mods =====
+Currently none.
+===== Bootlogs =====
+==== OEM bootlog ====
+<WRAP bootlog>
+<nowiki>P
+BCM3380A1 TP0
+Sync:1
+SA BootLoader Version: 2.3.0_R1(S) Release Gnu pcminit spiboot reduced DDR drive
+Build Date: Jul  1 2009
+Build Time: 19:20:01
+SPI flash ID 0xc22018, size 16MB, block size 64KB, write buffer 256, busy bit 1
+Found image 1 at offset 20000
+ eCos - hal_diag_init
+Init device '/dev/BrcmTelnetIoDriver'
+Init device '/dev/ttydiag'
+Init tty channel: 814566c0
+Init device '/dev/tty0'
+Init tty channel: 814566e0
+Init device '/dev/haldiag'
+HAL/diag SERIAL init
+Init device '/dev/ser0'
+BCM 33XX SERIAL init - dev: 0.2
+Set output buffer - buf: 0x81644810 len: 4096
+Set input buffer - buf: 0x81645810 len: 4096
+BCM 33XX SERIAL config
+LsSpiInit 3380
+[00:00:00 01/01/1970] [tStartup] BcmBfcStdEmbeddedTarget::InitStorageDrivers:  (BFC Target) Configuring/Loading Flash driver...
+detecting flash3...
+[00:00:00 01/01/1970] [tStartup] BcmSpiFlashDevice::DetectFlash:  (SPI Flash Device Factory) WARNING - Detected SPI flash with JEDEC ID =0xc22018
+[00:00:00 01/01/1970] [tStartup] FlashDeviceDriver::SpiFlashPlaceRegions:  (Flash Driver C API) WARNING - Permanent NonVol would fit in the boot block of this flash device, but I found existing NonVol in the following block; using this location instead...
+[00:00:00 01/01/1970] [tStartup] BcmBfcStdEmbeddedTarget::InitStorageDrivers:  (BFC Target) Loading BootloaderStore driver...
+[00:00:00 01/01/1970] [tStartup] BcmBfcStdEmbeddedTarget::InitStorageDrivers:  (BFC Target) Loading ProgramStore driver...
+ProgramStoreDeviceDriver::ProgramStoreDriverInit:  INFO - Initializing...
+[00:00:00 01/01/1970] [tStartup] BcmBfcStdEmbeddedTarget::InitStorageDrivers:  (BFC Target) Loading NonVol driver...
+[00:00:00 01/01/1970] [tStartup] BcmBfcStdEmbeddedTarget::InitStorageDrivers:  (BFC Target) Storage drivers initialized successfully.
+[00:00:00 01/01/1970] [tStartup] BcmBfcStdEmbeddedTarget::InitDeviceAbstractions:  (BFC Target) Creating singletons for ProgramStore/BootloaderStore/NonVol devices...
+Detecting the next image number that we will store to by default...
+Bootloader indicates we are running image 1
+By default, we will dload to image number 2!
+[00:00:00 01/01/1970] [tStartup] BcmBfcStdEmbeddedTarget::InitDeviceAbstractions:  (BFC Target) Device abstraction singletons created successfully.
+BcmCmDocsisCtlThread::GetSingletonInstance:  WARNING - the singleton is NULL, and someone is accessing it!
+BcmCmDocsisCtlThread::GetSingletonInstance:  WARNING - the singleton is NULL, and someone is accessing it!
+SAHttpCacheVariables::GetSingletonInstance:  WARNING - the singleton instance is NULL, and someone is accessing it!
+Setting up the SAHttpCacheVariables singleton pointer.
+CmSnmpNonVolSettings::GetSingletonInstance:  WARNING - the singleton instance is NULL, and someone is accessing it!
+CmSnmpNonVolSettings::GetSingletonInstance:  WARNING - the singleton instance is NULL, and someone is accessing it!
+CmSnmpNonVolSettings::GetSingletonInstance:  WARNING - the singleton instance is NULL, and someone is accessing it!
+BcmCmSANonVolSettings::GetSingletonInstance:  WARNING - the singleton instance is NULL, and someone is accessing it!
+[00:00:03 01/01/1970] [tStartup] BcmCmSANonVolSettings::BcmCmSANonVolSettings:  (CM SA NonVol Settings) WARNING - Current CxC Version is 3.9.21.11.mp8
+BcmEmtaBlindDataNonVolSettings::GetSingletonInstance:  WARNING - the singleton instance is NULL, and someone is accessing it!
+ERROR: Unable to get GetCountry blind data. (BcmEmtaBlindDataNonVolSettings = NULL)
+WARNING: ResetDefaultBlindEmtaData() -Resetting EMTA non-vol data section to default values
+mtaNvCalcChecksum: checksum= 1273036006
+Reading Permanent settings from non-vol...
+Checksum for permanent settings:  0x4f6bf263
+[00:00:03 01/01/1970] [tStartup] BcmMessageLogNonVolSettings::ReadFromImpl:  (User Interface NonVol Settings) WARNING - Read older version of the settings (0.2); they have been upgraded to version 0.3, preserving original settings.
+[00:00:03 01/01/1970] [tStartup] BcmHalIfNonVolSettings::ReadFromImpl:  (HalIf NonVol Settings) WARNING - Read older version of the settings (0.19); they have been upgraded to version 0.21, preserving original settings.
+[00:00:03 01/01/1970] [tStartup] BcmWiFi80211NonVolSettings::ReadFromImpl:  (WiFi 802.11 NonVol Settings) WARNING - Read older version of the settings (0.8); they have been upgraded to version 0.10, preserving original settings.
+[00:00:03 01/01/1970] [tStartup] BcmCmDocsis30NonVolSettings::ReadFromImpl:  (</nowiki>
+</WRAP>\\
+===== Notes =====
+  * [[http://cdkr.co.uk/projects/computers/virgin_VMDG480/|VMDG480]] (disassembling, hardware specifications)
+  * [[http://w00tsec.blogspot.com.es/2013/11/unpacking-firmware-images-from-cable.html|w00tsec]] Unpacking Firmware
+===== Tags =====
+[[meta:tags|How to add tags]]
+{{tag>bcm33xx bcm3380 GigabitEthernet 5Port USB 64RAM 16Flash MIPS DOCSIS3}}

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