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toh:cisco:epc3825 [2012/11/22 19:23] danitool created |
toh:cisco:epc3825 [2013/06/09 12:06] (current) danitool |
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| - | ====== Cisco EPC3825 ====== | + | ====== Cisco DPC3825/EPC3825 ====== |
| - | This is a DOCSIS 3.0 Wireless cable Residential Gateway. It uses an eCos operating system. | + | [[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. | ||
| More info at cisco website: | More info at cisco website: | ||
| Line 6: | Line 8: | ||
| [[http://www.cisco.com/web/consumer/support/modem_DPC3825.html|modem_DPC3825]] | [[http://www.cisco.com/web/consumer/support/modem_DPC3825.html|modem_DPC3825]] | ||
| + | The SoC might be similar to bcm63xx platforms. Here some patches useful to start developing Openwrt support for this SoC: | ||
| + | |||
| + | http://alphacore.org/~florian/openwrt/bcm33xx/ | ||
| + | |||
| + | | {{: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 ===== | ===== Hardware Highlights ===== | ||
| ^ SoC ^ Ram ^ Flash ^ Network ^ USB ^ Serial ^ JTag ^ | ^ SoC ^ Ram ^ Flash ^ Network ^ USB ^ Serial ^ JTag ^ | ||
| - | | BCM338031 | 64MiB | 8MiB | 4 x 1| Yes | Yes | ? | | + | | BCM3380 | 64MiB | 8MiB | 4 | Yes | Yes | ? | |
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| | **Vendor:** | [[wp>Broadcom]] | | | **Vendor:** | [[wp>Broadcom]] | | ||
| | **[[doc:techref:Bootloader]]:** | Unknown (see bootlog and guess) | | | **[[doc:techref:Bootloader]]:** | Unknown (see bootlog and guess) | | ||
| - | | **[[doc:hardware:soc|System-On-Chip]]:** | Broadcom BCM338031 TP0 | | + | | **[[doc:hardware:soc|System-On-Chip]]:** | [[http://datasheet.elcodis.com/pdf/48/45/484522/bcm3380dkfsbg.pdf|Broadcom BCM338031]] | |
| | **[[doc:hardware:cpu|CPU]]/Speed** | FIXME | | | **[[doc:hardware:cpu|CPU]]/Speed** | FIXME | | ||
| | **Flash-Chip:** | SPI flash ID 0x010216 | | | **Flash-Chip:** | SPI flash ID 0x010216 | | ||
| | **Flash size:** | 8192 KiB | | | **Flash size:** | 8192 KiB | | ||
| - | | **RAM:** | Samsung K4T51163QI-HCE6 / DDR2 | | + | | **RAM:** | [[http://www.samsung.com/global/business/semiconductor/file/2011/product/2011/7/18/148752ds_k4t51xx3qi_rev11.pdf|Samsung K4T51163QI-HCE6]] / DDR2-667 | |
| | **RAM size:** | 64 MiB | | | **RAM size:** | 64 MiB | | ||
| - | | **Wireless:** | Atheros AR9103 2.4ghz 802.11bgn | | + | | **Wireless:** | Broadcom BCM43224 (802.11a/b/g/n) (MiniPCIe) | |
| - | | **Ethernet:** | RealTek RTL8366RB Gigabit w/ vlan support [[doc:techref:swconfig]] | | + | | **Ethernet:** | Atheros AR8316, switch Gigabit w/ vlan support [[doc:techref:swconfig]] | |
| - | | **Internet:** | DOCSIS | | + | | **Internet:** | DOCSIS 3.0 | |
| - | | **USB:** | Yes 1 x 2.0 | | + | | **USB:** | Yes 1 x 2.0 | |
| - | | **[[doc:hardware:port.serial|Serial]]:** | [[#Serial|Yes]] | | + | | **[[doc:hardware:port.serial|Serial]]:** | [[#Serial|Yes]] | |
| - | | **[[doc:hardware:port.jtag|JTAG]]:** | [[#JTAG|?]] | | + | | **[[doc:hardware:port.jtag|JTAG]]:** | [[#JTAG|?]] | |
| ==== Photos ==== | ==== Photos ==== | ||
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| *To remove the cover do a/b/c | *To remove the cover do a/b/c | ||
| - | //Main PCB// | + | {{:toh:cisco:epc3825.jpg?800|}}\\ |
| **Photo of PCB** | **Photo of PCB** | ||
| Line 139: | Line 145: | ||
| How to connect to the Serial Port of this specific device: | How to connect to the Serial Port of this specific device: | ||
| + | {{:toh:cisco:epc3825_serial.jpg|}}\\ | ||
| **Photo of PCB with markings** | **Photo of PCB with markings** | ||
| + | |||
| + | Use a serial TTL adapter to connect. | ||
| ==== JTAG ==== | ==== JTAG ==== | ||
| Line 146: | Line 155: | ||
| How to connect to the JTAG Port of this specific device: | How to connect to the JTAG Port of this specific device: | ||
| - | **Photo of PCB with markings** | + | Can use SPI programmer without desoldering flash memory, like this: |
| - | FIXME | + | [[http://www.usbjtag.com/jtagnt/modem/sbg6580.php|ISP SBG6580]] |
| + | [[http://www.usbjtag.com/jtagnt/modem/CG3100D.php|ISP CG3100D]] | ||
| ===== Debricking ===== | ===== Debricking ===== | ||
| Line 157: | Line 167: | ||
| ===== Notes ===== | ===== Notes ===== | ||
| + | |||
| + | ===== Ressources ===== | ||
| + | * [[http://cdkr.co.uk/projects/computers/virgin_VMDG480/|VMDG480]] (disassembling, hardware specifications) | ||
| + | ---- | ||
| ===== Tags ===== | ===== Tags ===== | ||
| For some Help with the Tags, please have a look here: [[meta/tags]] | For some Help with the Tags, please have a look here: [[meta/tags]] | ||
| - | {{tag>GigabitEthernet 5Port USB 64RAM 8Flash MIPS}} | + | {{tag>bcm33xx bcm3380 GigabitEthernet 5Port USB 64RAM 8Flash MIPS}} |
toh/cisco/epc3825.1353608589.txt.bz2 · Last modified: 2012/11/22 19:23 by danitool
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