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toh:comtrend:ct5621 [2013/04/13 10:37] (current)
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 +====== Comtrend CT-5621 ======
 +This is an ADSL2+ Modem + 4-port Switch with USB (it can act as a USB network device). It is manufactured by Comtrend who, 
 +as best I can determine from their voice prompts for assistance, only sell their equipment to ISP's and Telcos, thus bypassing ​
 +regular users as customers and therefore recipients of source code.
  
 +===== Hardware Highlights =====
 +^ SoC ^ CPU speed ^ Ram ^ Flash ^ Network ^ USB ^ Serial ^ JTag ^
 +| Broadcom 6348 | 256MHz | 16MiB | 4MiB | 4 x 1 | Yes | Yes | Yes |
 +
 +[[doc/​howto/​generic.overview]]
 +
 +
 +
 +
 +===== Installation =====
 +  - -> [[doc:​howto:​obtain.firmware]]
 +  - -> [[doc:​howto:​generic.flashing|Install OpenWrt]]
 +
 +==== Flash Layout ====
 +Please check out the article [[doc:​techref:​Flash Layout]]. It contains an example and a couple of explanations.
 +
 +==== OEM easy installation ====
 +
 +Get the firmware **<color green>​openwrt-CT536_CT5621-squashfs-cfe.bin</​color>​**
 +  *Unplug the power cord
 +  *Press the **//​reset//​** button, don't release it yet!
 +  *Plug the power cord
 +  *Wait 10 seconds
 +  *Release the //reset// button
 +  *Browse to http://​192.168.1.1
 +  *Upload **<color green>​.bin</​color>​** file to router
 +  *Upgrade the image
 +  *Wait for it to reboot
 +  *Telnet to 192.168.1.1 and set a root password, or browse to http://​192.168.1.1 if LuCI is installed.
 +
 +==== OEM installation using the TFTP method ====
 +
 +If you want to upgrade using TFTP you follow these steps (as an alternative to the above install process.
 +
 +==== Upgrading OpenWrt ====
 +->  [[doc:​howto:​generic.sysupgrade]]
 +
 +If you have already installed OpenWrt and like to reflash for e.g. upgrading to a new OpenWrt version you can upgrade using the mtd command line tool. It is important that you put the firmware image into the ramdisk (/tmp) before you start flashing.
 +
 +=== LuCI Web Upgrade Process ===
 +
 +  * Browse to http://​192.168.1.1/​cgi-bin/​luci/​mini/​system/​upgrade/​ LuCI Upgrade URL
 +  * Upload image file for sysupgrade to LuCI
 +  * Wait for reboot
 +
 +=== Terminal Upgrade Process ===
 +
 +  * Login as root via SSH on 192.168.1.1
 +  * Use the following commands to upgrade.
 +
 +<​code>​
 +cd /tmp/
 +wget http://​downloads.openwrt.org/​snapshots/​trunk/​XXX/​xxx.abc
 +sysupgrade /​tmp/​xxx.abc
 +</​code>​
 +
 +  *If sysupgrade does not support this router, use the following commands.
 +
 +<​code>​
 +cd /tmp/
 +wget http://​downloads.openwrt.org/​snapshots/​trunk/​XXX/​xxx.abc
 +mtd write /​tmp/​xxx.abc linux && reboot</​code>​
 +
 +===== Basic configuration =====
 +-> [[doc:​howto:​basic.config|Basic configuration]] After flashing, proceed with this.\\
 +Set up your Internet connection, configure wireless, configure USB port, etc.
 +
 +
 +===== Specific Configuration =====
 +==== Interfaces ====
 +
 +The default network configuration is:
 +^ Interface Name ^ Description ^ Default configuration ^
 +| br-lan | LAN & WiFi | 192.168.1.1/​24 | 
 +| eth0 | LAN ports (1 to 4) | None | 
 +
 +==== Switch Ports (for VLANs) ====
 +This is an example to configure the switch: numbers 0-2 will be lan, labeled as Ports 1-3 on the unit, number 3 will be the 
 +Internet (WAN), 5 is the internal connection to the router itself. Don't be fooled: vlan0 = eth0.0, vlan1 = eth0.1 and so on.
 +^ Port ^ Switch port ^ Mode ^
 +| LAN 1 | 0 | lan |
 +| LAN 2 | 1 | lan |
 +| LAN 3 | 2 | lan | 
 +| LAN 4 | 3 | Internet (WAN) |
 +
 +<​HTML>​
 +<div style="​height:​350px;​font:​10px/​13px Georgia, Garamond, Serif;​overflow-y:​Auto">​
 +<p style="">​
 +<​code>​
 +
 +# path: /​etc/​config/​network
 +# port 4 = WAN
 +
 +config interface loopback
 +        option ifname ​  lo
 +        option proto    static
 +        option ipaddr ​  ​127.0.0.1
 +        option netmask ​ 255.0.0.0
 +
 +config interface lan
 +        option type     ​bridge
 +        option ifname ​  ​eth0.0
 +        option proto    static
 +        option ipaddr ​  ​192.168.1.1
 +        option netmask ​ 255.255.255.0
 +        option nat      1
 +
 +config interface wan
 +        option ifname eth0.1
 +        option macaddr 00:​11:​22:​33:​44:​55
 +        option proto dhcp 
 +        option defaultroute 1
 +
 +
 +config switch eth0
 + option enable 1
 + option reset 1
 + option enable_vlan 1
 +
 +config switch_vlan
 + option device eth0
 + option vlan 0
 + option ports "0 1 2 5t"
 +
 +config switch_vlan
 + option device eth0
 + option vlan 1
 + option ports "3 5t"
 +
 +</​code>​
 +</p>
 +</​div>​
 +</​HTML>​
 +
 +
 +
 +==== Failsafe mode ====
 +-> [[doc:​howto:​generic.failsafe]]
 +
 +==== Buttons ====
 +-> [[doc:​howto:​hardware.button]] on howto use and configure the hardware button(s).
 +
 +The Comtrend 5621 has one button. It is the Reset.
 +^ BUTTON ^ Event ^
 +| Reset | reset | 
 +
 +
 +===== Bootlogs =====
 +==== Stock firmware (2.4.17 kernel) ====
 +
 +<​HTML>​
 +<div style="​height:​500px;​font:​10px/​14px Georgia, Garamond, Serif;​overflow:​Auto;​background-color:#​FFFFFF">​
 +<p style="​margin:​ 5px;​padding:​5px">​
 +<​code>​
 +CFE version 1.0.37-5.17 for BCM96348 (32bit,​SP,​BE)
 +Build Date: Tue, 19 Oct 2004 12:02:54 +0800 (root@junhon_linux)
 +Copyright (C) 2000,​2001,​2002,​2003 Broadcom Corporation.
 +
 +Initializing Arena.
 +Initializing Devices.
 +init 5325E: init mii=0
 +init 5325E: init success, mii=9f
 +CPU type 0x29107: 256MHz, Bus: 128MHz, Ref: 32MHz
 +
 +Total memory used by CFE:  0x80401000 - 0x80521DF0 (1183216)
 +Initialized Data:          0x8041C740 - 0x8041E1B0 (6768)
 +BSS Area:                  0x8041E1B0 - 0x8041FDF0 (7232)
 +Local Heap:                0x8041FDF0 - 0x8051FDF0 (1048576)
 +Stack Area:                0x8051FDF0 - 0x80521DF0 (8192)
 +Text (code) segment: ​      ​0x80401000 - 0x8041C73C (112444)
 +Boot area (physical): ​     0x00522000 - 0x00562000
 +Relocation Factor: ​        ​I:​00000000 - D:00000000
 +
 +Board IP address ​               : 192.168.1.1
 +Host IP address ​                : 192.168.1.3
 +Gateway IP address ​             :
 +Run from flash/host (f/h)       : f
 +Default host run file name      : openwrt-brcm63xx-vmlinux.elf
 +Default host flash file name    : bcm963xx_fs_kernel
 +Boot delay (0-9 seconds) ​       : 5
 +Board Id Name                   : 96348GW-11
 +Psi size in KB                  : 24
 +Number of MAC Addresses (1-32) ​ : 11
 +Base MAC Address ​               : 00:​30:​da:​47:​bd:​b4
 +Ethernet PHY Type               : External Using Reverse MII with SPI
 +Memory size in MB               : 16
 +
 +*** Press any key to stop auto run (5 seconds) ***
 +Auto run second count down: 5543210
 +Code Address: 0x80010000, Entry Address: 0x8001046c
 +Decompression OK!
 +Entry at 0x8001046c
 +Closing network.
 +Starting program at 0x8001046c
 +Total Flash size: 4096K with 71 sectors
 +Scratch pad is not used for this flash part.
 +96348GW-11 prom init
 +CPU revision is: 00029107
 +Primary instruction cache 16kb, linesize 16 bytes (2 ways)
 +Primary data cache 8kb, linesize 16 bytes (2 ways)
 +Linux version 2.4.17 (root@max-redhat) (gcc version 3.1) #1 ¥| 12¤ë 2 04:34:28 CST 2004
 +Determined physical RAM map:
 + ​memory:​ 00fa0000 @ 00000000 (usable)
 +On node 0 totalpages: 4000
 +zone(0): 4000 pages.
 +zone(1): 0 pages.
 +zone(2): 0 pages.
 +Kernel command line: root=/​dev/​mtdblock0 ro
 +bcm_console_setup
 +Calibrating delay loop... 255.59 BogoMIPS
 +Memory: 14236k/​16000k available (1144k kernel code, 1764k reserved, 80k data, 48k init, 0k highmem)
 +Dentry-cache hash table entries: 2048 (order: 2, 16384 bytes)
 +Inode-cache hash table entries: 1024 (order: 1, 8192 bytes)
 +Mount-cache hash table entries: 512 (order: 0, 4096 bytes)
 +Buffer-cache hash table entries: 1024 (order: 0, 4096 bytes)
 +Page-cache hash table entries: 4096 (order: 2, 16384 bytes)
 +Checking for '​wait'​ instruction... ​ unavailable.
 +POSIX conformance testing by UNIFIX
 +mpi: No Card is in the PCMCIA slot
 +PCI: Fixing up bus 0
 +Linux NET4.0 for Linux 2.4
 +Based upon Swansea University Computer Society NET3.039
 +Initializing RT netlink socket
 +Starting kswapd
 +brcmboard: brcm_board_init entry
 +Module bcm63xx_cons.c v1.1 Dec  2 2004 04:34:57
 +block: 64 slots per queue, batch=16
 +PPP generic driver version 2.4.1
 +NET4: Linux TCP/IP 1.0 for NET4.0
 +IP Protocols: ICMP, UDP, TCP, IGMP
 +IP: routing cache hash table of 512 buckets, 4Kbytes
 +TCP: Hash tables configured (established 512 bind 1024)
 +Linux IP multicast router 0.06 plus PIM-SM
 +NET4: Unix domain sockets 1.0/SMP for Linux NET4.0.
 +Ebtables v2.0 registeredNET4:​ Ethernet Bridge 008 for NET4.0
 +802.1Q VLAN Support v1.6  Ben Greear ​
 +vlan Initialization complete.
 +VFS: Mounted root (cramfs filesystem) readonly.
 +Freeing unused kernel memory: 48k freed
 +init started: ​ BusyBox v0.60.4 (2004.12.01-20:​44+0000) multi-call binary
 +Algorithmics/​MIPS FPU Emulator v1.5
 +
 +
 +BusyBox v0.60.4 (2004.12.01-20:​44+0000) Built-in shell (msh)
 +Enter '​help'​ for a list of built-in commands.
 +
 +
 +Loading drivers and kernel modules...
 +
 +atmapi: init_module entry 0xc0006060
 +blaadd: blaa_detect entry
 +adsl: adsl_init entry
 +var 1.0 initialised
 +Broadcom BCM6348A2 Ethernet Network Device v0.1 Dec  2 2004 04:40:06 External Switch Reverse MII (SPI Device 1)
 +eth0: MAC Address: 00:​30:​DA:​47:​BD:​B4
 +Broadcom BCM6348A2 USB Network Device v0.3 Dec  2 2004 04:40:08
 +usb0: MAC Address: 00 30 DA 47 BD B5
 +usb0: Host MAC Address: 00 30 DA 47 BD B6
 +insmod: init_module:​ wl: No such device
 +BcmAdsl_Initialize=0xC0018418,​ g_pFnNotifyCallback=0xC002CCB0
 +AdslCoreHwReset:​ AdslOemDataAddr = 0xA0FE4D5C
 +
 +==> ​  ​Bcm963xx Software Version: A101-221CTL-C01_R04.A2pB017f.d15 ​  <​==
 +
 +device usb0 entered promiscuous mode
 +br0: port 1(usb0) entering listening state
 +br0: port 1(usb0) entering learning state
 +br0: port 1(usb0) entering forwarding state
 +br0: topology change detected, propagating
 +device eth0 entered promiscuous mode
 +br0: port 2(eth0) entering listening state
 +br0: port 2(eth0) entering learning state
 +br0: port 2(eth0) entering forwarding state
 +br0: topology change detected, propagating
 +pvc2684d: Interface "​nas_0_35"​ created sucessfully
 +
 +atm_connect (TX: cl 1,bw 0-0,sdu 1524; RX: cl 1,bw 0-0,sdu 1524,AAL 5)
 +pvc2684d: Communicating over ATM 0.0.35, encapsulation:​ LLC
 +
 +device nas_0_35 entered promiscuous mode
 +br0: port 3(nas_0_35) entering listening state
 +br0: port 3(nas_0_35) entering learning state
 +br0: port 3(nas_0_35) entering forwarding state
 +br0: topology change detected, propagating
 +eth0 Link UP.
 +
 +Message from syslogd@router at Jan 23 16:34:40 ...
 + ​BCM96345 started: BusyBox v0.60.4 (2004.12.01-20:​44+0000)
 +sntp: host not found
 +
 +Message from syslogd@router at Jan 23 16:34:41 ...
 + ​klogd:​ 802.1Q VLAN Support v1.6  Ben Greear reearb@candelatech.com>​
 +br0: port 1(usb0) entering disabled state
 +ADSL G.994 training
 +ADSL G.992 started
 +ADSL G.992 channel analysis
 +ADSL G.992 message exchange
 +ADSL link up, interleaved,​ us=800, ds=6016
 +PPP: PPP0_35_1 Start to connect ...
 +PPP: PPP0_35_1 Connection Up.
 +Primary DNS server = 216.183.128.10
 +Secondary DNS server = 216.183.128.4
 +</​code>​
 +</p>
 +</​div>​
 +</​HTML>​
 +==== kamikaze (2.6.27 kernel) ====
 +
 +<​HTML>​
 +<div style="​height:​500px;​font:​10px/​14px Georgia, Garamond, Serif;​overflow:​Auto;​background-color:#​FFFFFF">​
 +<p style="​margin:​ 5px;​padding:​5px">​
 +<​code>​
 +0x80010000/​3644617 0x80389cc9/​141127 Entry at 0x80014450
 +Closing network.
 +Starting program at 0x80014450
 +Linux version 2.6.27.11 (daniel@brennin) (gcc version 4.1.2) #3 Fri Jan 23 07:01:13 EST 2009
 +Detected Broadcom 0x6348 CPU revision a2
 +CPU frequency is 256000000 Hz
 +16MB of RAM installed
 +board_bcm963xx:​ CFE version: 1.0.37-5.17
 +console [early0] enabled
 +CPU revision is: 00029107 (Broadcom BCM6348)
 +board_bcm963xx:​ board name: 96348GW-11
 +Determined physical RAM map:
 + ​memory:​ 01000000 @ 00000000 (usable)
 +Initrd not found or empty - disabling initrd
 +Zone PFN ranges:
 +  Normal ​  ​0x00000000 -> 0x00001000
 +Movable zone start PFN for each node
 +early_node_map[1] active PFN ranges
 +    0: 0x00000000 -> 0x00001000
 +Built 1 zonelists in Zone order, mobility grouping off.  Total pages: 4064
 +Kernel command line: root=/​dev/​mtdblock2 rootfstype=squashfs,​jffs2 init=/​etc/​preinit noinitrd console=ttyS0,​115200
 +Primary instruction cache 16kB, VIPT, 2-way, linesize 16 bytes.
 +Primary data cache 8kB, 2-way, VIPT, no aliases, linesize 16 bytes
 +PID hash table entries: 64 (order: 6, 256 bytes)
 +Dentry cache hash table entries: 2048 (order: 1, 8192 bytes)
 +Inode-cache hash table entries: 1024 (order: 0, 4096 bytes)
 +Memory: 12472k/​16384k available (1930k kernel code, 3912k reserved, 410k data, 1216k init, 0k highmem)
 +Calibrating delay loop... 255.48 BogoMIPS (lpj=510976)
 +Mount-cache hash table entries: 512
 +net_namespace:​ 776 bytes
 +NET: Registered protocol family 16
 +registering 37 GPIOs
 +registering PCI controller with io_map_base unset
 +bus: 00 index 0 io port: [8000000, 800ffff]
 +bus: 00 index 1 mmio: [30000000, 37ffffff]
 +NET: Registered protocol family 2
 +IP route cache hash table entries: 1024 (order: 0, 4096 bytes)
 +TCP established hash table entries: 512 (order: 0, 4096 bytes)
 +TCP bind hash table entries: 512 (order: -1, 2048 bytes)
 +TCP: Hash tables configured (established 512 bind 512)
 +TCP reno registered
 +NET: Registered protocol family 1
 +audit: initializing netlink socket (disabled)
 +type=2000 audit(1.220:​1):​ initialized
 +squashfs: version 3.0 (2006/​03/​15) Phillip Lougher
 +Registering mini_fo version $Id$
 +JFFS2 version 2.2. (NAND) (SUMMARY) ​ © 2001-2006 Red Hat, Inc.
 +msgmni has been set to 24
 +io scheduler noop registered
 +io scheduler cfq registered (default)
 +bcm63xx_uart.0:​ ttyS0 at MMIO 0xfffe0300 (irq = 10) is a bcm63xx_uart
 +console handover: boot [early0] -> real [ttyS0]
 +bcm63xx_enet MII bus: probed
 +bcm963xx_flash:​ 0x00400000 at 0x1fc00000
 +bcm963xx: Found 1 x16 devices at 0x0 in 16-bit bank
 + ​Amd/​Fujitsu Extended Query Table at 0x0040
 +number of CFI chips: 1
 +cfi_cmdset_0002:​ Disabling erase-suspend-program due to code brokenness.
 +bcm963xx_flash:​ Read Signature value of CFE1CFE1
 +bcm963xx_flash:​ CFE bootloader detected
 +bcm963xx_flash:​ CFE boot tag found with version 6 and board type 96348GW-11.
 +bcm963xx_flash:​ Partition 0 is CFE offset 0 and length 10000
 +bcm963xx_flash:​ Partition 1 is kernel offset 22f100 and length 656d3
 +bcm963xx_flash:​ Partition 2 is rootfs offset 10100 and length 35f000
 +bcm963xx_flash:​ Partition 3 is nvram offset 3f0000 and length 10000
 +Creating 4 MTD partitions on "​bcm963xx":​
 +0x00000000-0x00010000 : "​CFE"​
 +0x0022f100-0x002947d3 : "​kernel"​
 +mtd: partition "​kernel"​ doesn'​t start on an erase block boundary -- force read-only
 +0x00010100-0x0036f100 : "​rootfs"​
 +mtd: partition "​rootfs"​ doesn'​t start on an erase block boundary -- force read-only
 +mtd: partition "​rootfs"​ set to be root filesystem
 +split_squashfs:​ no squashfs found in "​bcm963xx"​
 +0x003f0000-0x00400000 : "​nvram"​
 +TCP bic registered
 +NET: Registered protocol family 17
 +Bridge firewalling registered
 +Freeing unused kernel memory: 1216k freed
 +Algorithmics/​MIPS FPU Emulator v1.5
 +[sighandler]:​ No more events to be processed, quitting.
 +[cleanup]: Waiting for children.
 +[cleanup]: All children terminated.
 +- preinit -
 +Press CTRL-C for failsafe
 +
 +Please press Enter to activate this console. bcm63xx_enet bcm63xx_enet.0:​ attached PHY at address 1 [Broadcom BCM63XX (1)]
 +bcm63xx_enet bcm63xx_enet.0:​ attached PHY at address 1 [Broadcom BCM63XX (1)]
 +eth1: link forced UP - 100/full - flow control off/off
 +device eth1 entered promiscuous mode
 +br-lan: topology change detected, propagating
 +br-lan: port 1(eth1) entering forwarding state
 +PPP generic driver version 2.4.2
 +ip_tables: (C) 2000-2006 Netfilter Core Team
 +nf_conntrack version 0.5.0 (1024 buckets, 4096 max)
 +CONFIG_NF_CT_ACCT is deprecated and will be removed soon. Plase use
 +nf_conntrack.acct=1 kernel paramater, acct=1 nf_conntrack module option or
 +sysctl net.netfilter.nf_conntrack_acct=1 to enable it.
 +br-lan: port 1(eth1) entering disabled state
 +br-lan: topology change detected, propagating
 +br-lan: port 1(eth1) entering forwarding state
 +</​code>​
 +</p>
 +</​div>​
 +</​HTML>​
 +
 +===== Hardware =====
 +==== Info ====
 +| **[[wp>​Instruction set|Architecture]]:​** ​   | [[wp>​MIPS architecture|MIPS]] |
 +| **Vendor:​** ​         | [[wp>​Broadcom]] |
 +| **[[doc:​techref:​Bootloader]]:​** ​    | [[doc:​techref:​bootloader:​CFE]] |
 +| **[[doc:​hardware:​soc|System-On-Chip]]:​** ​ | bcm6348 |
 +| **[[doc:​hardware:​cpu|CPU]]/​Speed** ​       | BMIPS3300 V0.7 / 256 MHz |
 +| **Flash-Chip:​** ​     | Fujitsu MPM29DL32B-70PFTN |
 +| **Flash size:​** ​     | 4 MiB |
 +| **RAM:​** ​            | Hynix 409A HY57 283220I-7, 16 MiB |
 +| **Wireless:​** ​       | No |
 +| **Ethernet:​** ​       | Broadcom ​ {{:​toh:​bcm5325_datasheet.pdf|BCM5325}} w/ vlan support [[doc:​uci:​network#​swconfig]] |
 +| **Internet:​** ​       | ADSL2+ ​ |
 +| **USB:​** ​            | slave, host possible with mod |
 +| **[[doc:​hardware:​port.serial|Serial]]:​** ​         | [[#​Serial|Yes]],​ ADM202EARN RS-232c |
 +| **[[doc:​hardware:​port.jtag|JTAG]]:​** ​           | [[#​JTAG|Yes]] ​ |
 +
 +==== Photos ====
 +Model Number
 +
 +//Front://
 +
 +{{:​oldwiki:​openwrtdocs:​hardware:​comtrend:​ct-5621-front-trimmed.jpg?​600|}}
 +
 +**Photo of front of the casing**
 +
 +//Back://
 +
 +{{:​oldwiki:​openwrtdocs:​hardware:​comtrend:​ct-5621-back-trimmed.jpg?​600|}}
 +
 +**Photo of back of the casing**
 +
 +==== Opening the case ====
 +**Note:** This will void your warranty!
 +
 +  *To remove the cover do a/b/c
 +
 +//Main PCB//
 +
 +{{:​oldwiki:​openwrtdocs:​hardware:​comtrend:​ct-5621-board-trimmed.jpg?​700x400|}}
 +
 +**Photo of PCB**
 +
 +==== Serial ====
 +-> [[doc:​hardware:​port.serial]] general information about the serial port, serial port cable, etc.
 +
 +How to connect to the Serial Port of this specific device:
 +<​code>​
 +RJ45 connector
 +
 +3: Receive Data
 +4: Transmit Data
 +7: Ground
 +1,2,5,6,8: Not Connected
 +</​code>​
 +**Photo of PCB with markings**
 +TODO
 +
 +==== JTAG ====
 +-> [[doc:​hardware:​port.jtag]] general information about the JTAG port, JTAG cable, etc.
 +
 +Located near the front left, beside the CPU.  Pin 1 has white box surrounding it and the whole connection area is surrounded by a white border (thin). ​ There is no existing header, if you want one you have to add it (there are only solder pads in the stock configuration).
 +
 +Pinout:
 +
 +{{:​toh:​comtrend:​ct-536._jtag.jpg?​300x200|}}
 +| 1 | 2 |
 +| 3 | 4 |
 +| 5 | 6 | 
 +| 7 | 8 |
 +| 9 | 10 |
 +| 11| 12 | 
 +Meaning and mapping to LPT for an unbuffered cable
 +<​code>​
 +Pin 3 - TDI - DATA0  - Pin 2
 +Pin 5 - TD0 - SELECT - Pin 13
 +Pin 7 - TMS - DATA2  - Pin 4
 +Pin 9 - TCK - DATA1  - Pin 3
 +</​code>​
 +
 +===== Debricking =====
 +-> [[doc:​howto:​generic.debrick]]
 +
 +===== Bootloader Mods =====
 +  - you could read about [[doc:​techref:​bootloader]] in general
 +<​code>​CFE>​ web info: Waiting for connection on socket 0.
 +CFE>
 +CFE> c
 +Press: ​  to use current value
 +        '​-'​ to go previous parameter
 +        '​.'​ to clear the current value
 +        '​x'​ to exit this command
 +Board IP address ​               :  192.168.1.1:​ffffff00
 +Host IP address ​                : ​ 192.168.1.100
 +Gateway IP address ​             :
 +Run from flash/host (f/h)       : ​ f
 +Default host run file name      :  vmlinux
 +Default host flash file name    :  bcm963xx_fs_kernel
 +Boot delay (0-9 seconds) ​       :  5
 +*** command status = 0
 +CFE> b
 +Press: ​  to use current value
 +        '​-'​ to go previous parameter
 +        '​.'​ to clear the current value
 +        '​x'​ to exit this command
 +Board Id Name (0-5)
 +96348R ​          ​-------- 0
 +96348LV ​         -------- 1
 +96348GW ​         -------- 2
 +96348GW-10 ​      ​-------- 3
 +96348GW-11 ​      ​-------- 4
 +96348SV ​         -------- 5     : ​ 4
 +Number of MAC Addresses (1-32) ​ :  11
 +Base MAC Address ​               :  00:​40:​dd:​37:​ad:​e4</​code>​
 +
 +===== Hardware mods =====
 +  - as a beginner, you really should inform yourself about [[doc:​hardware:​soldering]] in general and then obtain some practical experience!
 +==== USB mod ====
 +This board only needs 3 x 15 kΩ resistors and one 470μF capacitor, and the USB host (USB A Female) connector, to have a USB host port on the board (i.e. to drive USB mass storage, wireless, etc)
 +
 +Two of the resistors and the capacitor get voltages right, while the third resistor is used to tie the USB host enabled pin on the BCM63xx to Vcc, so that it is seen as enabled.
 +
 +There is a schematic from a NetGear that might be helpful. ​ The only components that matter to our board are the 15k resistors.
 +
 +{{:​oldwiki:​openwrtdocs:​hardware:​comtrend:​usb-schematic.png}}
 +
 +Now we look at the space on the board that is for the USB host.
 +
 +{{:​oldwiki:​openwrtdocs:​hardware:​comtrend:​usb-host-space.jpg}}
 +
 +The following image shows what needs to be done in order to enable host usb.
 +
 +{{:​oldwiki:​openwrtdocs:​hardware:​comtrend:​usb-host-marked-up.jpg}}
 +
 +And here's what a badly done mod looks like (I had a terrible time soldering)
 +
 +{{:​oldwiki:​openwrtdocs:​hardware:​comtrend:​usb-post-mod.jpg}}
 +
 +==== 128MiB RAM Mod ====
 +==== I²C GPIO Mod ====
 +==== I²C Tiny-USB Mod ====
 +
 +===== Notes =====
 +
 +
 +===== Tags =====
 +For some Help with the Tags, please have a look here: [[meta/​tags]]
 +
 +{{tag>​bcm63xx bcm6348 FastEthernet 4Port USB 16RAM 4Flash MIPS MIPS32}}
toh/comtrend/ct5621.txt · Last modified: 2013/04/13 10:37 (external edit)