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hacking isl3893 |
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Serial port
The j303 connector (red connector)is
in fact a serial port. You can connect a 3.3v adaptor in making the following
schema based on a MAX3232:
Kernel and system messages
mm-armv.c 578 Rescueing Boot for the ISL3893, version 0.5.2.0 Copyright (C) 1993-2002 Intersil Americas Inc. All Rights Reserved. MAC Address: 00.09.5b.5b.b8.05 Forcing soft reset from Bootloaderÿ Rescueing Boot for the ISL3893, version 0.5.2.0 Copyright (C) 1993-2002 Intersil Americas Inc. All Rights Reserved. MAC Address: 00.09.5b.5b.b8.05 Boot: start searching for image... Found Boot: Checking Image CRC32... Okay. OKA Uncompressing Linux (bzip2)... done, booting the kernel. Linux version 2.4.19-uc1 (changcs@sw2lab1) (gcc version 2.95.3.2 20010315 (release)) #1 Fri Aug 29 14:06:46 CST 2003 Processor: ARM ARM946 revision 1 Architecture: ISL3893 Boot Struct at 0003f000 Boot parameter block at 0003ffc8 SRAM size 0x7b7b40 On node 0 totalpages: 2039 zone(0): 0 pages. zone(1): 2039 pages. zone(2): 0 pages. Kernel command line: Calibrating delay loop... 71.88 BogoMIPS Memory: 7MB = 7MB total Memory: 4456KB available (1225K code, 2058K data, 52K init) Dentry cache hash table entries: 1024 (order: 1, 8192 bytes) Inode cache hash table entries: 512 (order: 0, 4096 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: 2048 (order: 1, 8192 bytes) POSIX conformance testing by UNIFIX isl38xx_init: 007f2280 pci_arch_init : 00000000 PCI: bus0: Fast back to back transfers disabled Linux NET4.0 for Linux 2.4 Based upon Swansea University Computer Society NET3.039 Initializing RT netlink socket Starting kswapd JFFS version 1.0, (C) 1999, 2000 Axis Communications AB pty: 256 Unix98 ptys configured ISL3893 UART serial driver version 1.0 (2002-07-11) with no serial options enabled ttyS00 at 0xc0000500 (irq = 8) is a ISL3893 UART eth0: Prism Embedded MVC v2 packet IF version 0.4.0.0 found,Macaddress = 00:09:5b:5b:b8:05 eth1: Prism Embedded MVC v2 packet IF version 0.4.0.0 found,Macaddress = 00:09:5b:5b:b8:05 eth2: Prism Embedded MVC v2 packet IF version 0.4.0.0 found,Macaddress = 00:09:5b:5b:b8:05 prism_uap_probe(eth3) prism_uap_probe(eth3) Blkmem copyright 1998,1999 D. Jeff Dionne Blkmem copyright 1998 Kenneth Albanowski Blkmem 1 disk images: 0: 182AA4-3262A3 [VIRTUAL 182AA4-3262A3] (RO) loop: loaded (max 8 devices) PPP generic driver version 2.4.2 PPP Deflate Compression module registered PPP BSD Compression module registered physmap flash device: 400000 at 8000000 Amd/Fujitsu Extended Query Table v1.0 at 0x0040 Physically mapped flash: JEDEC Device ID is 0xC4. Assuming broken CFI table. Physically mapped flash: Swapping erase regions for broken CFI table. number of CFI chips: 1 Creating 3 MTD partitions on "Physically mapped flash": 0x00000000-0x00010000 : "Bootloader" 0x00010000-0x001b0000 : "Access Point Firmware" 0x001b0000-0x00200000 : "Flash Filesystem" 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 512) ip_conntrack (63 buckets, 504 max) PPTP netfilter connection tracking: registered PPTP netfilter NAT helper: registered ip_tables: (C) 2000-2002 Netfilter core team NET4: Unix domain sockets 1.0/SMP for Linux NET4.0. NET4: Ethernet Bridge 008 for NET4.0 cramfs: wrong magic JFFS: Trying to mount a non-mtd device. VFS: Mounted root (romfs filesystem) readonly. ^@Mounting proc on /proc Bummer, can't write to log on /dev/tty5! console=/dev/ttyS0 init started: BusyBox v0.51 (2003.08.29-06:03+0000) multi-call binary # interface eth3 does not exist! device eth1 entered promiscuous mode device eth0 entered promiscuous mode can't find port eth3 in bridge br0 Jan 1 00:00:02 ucd-snmp[65]: UCD-SNMP version 4.2.6 (Re)starting paed paed uses obsolete (PF_INET,SOCK_PACKET) paed (re)started succesfully TFTP Upgrade Server v0.0.2 (2003.08.29-06:04+0000) started /bin/shelld: not found (Re)starting wins wins (re)started succesfully Can't read configure file. Failed opening device /usr/etc/images/webfileset.img: No such file or directory Cannot get ifindex of interface eth3: No such device Failed to build PIMFOR packet Get: send_rcv failed PDR_INTERFACE_LIST not present for interface 5, assuming ERP OFDM mod_dni_ifdata.c:195 SIOCGIFNETMASK: Cannot assign requested address mod_dni_ifdata.c:199 Interface is not ethernet mod_dni_ifdata.c:195 SIOCGIFNETMASK: Cannot assign requested address mod_dni_ifdata.c:199 Interface is not ethernet RunAndRead: execv failed PDA 10:00:00:00 mod_dni_ifdata.c:195 SIOCGIFNETMASK: Cannot assign requested address mod_dni_ifdata.c:199 Interface is not ethernet mod_dni_ifdata.c:195 SIOCGIFNETMASK: Cannot assign requested address mod_dni_ifdata.c:199 Interface is not ethernet paed stopped succesfully Failed to get SNMP password Error, couldn't open SNMP passwd file iptables: not found /bin/iptables-restore: not found killall: pptp_callmgr: no process killed killall: pppoe: no process killed killall: pppd: no process killed paed stopped succesfully killall: pptp: no process killed dhcpcd not running on interface eth2 (Re)starting paed /bin/iptables: not found (Re)starting wins paed (re)started succesfully wins (re)started succesfully eth2: link up SIOCDELRT: No such process dhcpcd not running on interface br0 killall: autoip: no process killed SIOCADDRT: No such device killall: udhcpd: no process killed Cannot get ifindex of interface eth3: No such device Failed to build PIMFOR packet Set: send_rcv failed Cannot get ifindex of interface eth3: No such device Failed to build PIMFOR packet Set: send_rcv failed br0: port 1(eth1) entering listening state eth1: link up br0: port 2(eth0) entering listening state eth1: link up eth1: link up wins stopped succesfully eth1: link up eth1: link up eth1: link up Accepting connections on port 1122 br0: port 2(eth0) entering learning state br0: port 1(eth1) entering learning state (Re)starting wins wins (re)started succesfully Jan 1 00:00:18 dhcpcd[194]: timed out waiting for a valid DHCP server response Jan 1 00:00:18 dhcpcd[194]: dhcpStop: ioctl SIOCSIFFLAGS: %m br0: port 2(eth0) entering forwarding state br0: topology change detected, propagating br0: port 1(eth1) entering forwarding state br0: topology change detected, propagating JTAG accessThere's JTAG connector on most access points, I will try to find the BSDL file so as to get access directly to the flash... |