hi, I think it will suffice if you just extract factory default rootfs to the directory that you mount flash. In such cases I copy a working rootfs to an ext2 formatted SDcard, boot the board from TS-9441 and do the following: 1. mount flash on /onboardflash by executing 'mtdroot' 2. mount sd card on /mnt/root by executing 'sdroot' 3. extract rootfs to the flash: tar -xvf /mnt/root/defaultrootfs.tar -C /onboardflash 4. Unmount onboardflash 5. make sure that the board boots from flash by executing
ln -sf /linuxrc-mtdroot /linuxrc; save if you think that you need to reflash everything you need 'mtdcopy' and 'mtderase' binaries which are available on ftp. These binaries need some libraries that I really don't know. Using an Sdcard with a debian distribution on it may be an
option. To erase flash of TS7400: mtderase 0 mtderase 1 mtderase 2 mtderase 3 unmount flash and reset To copy the bootloader, kernel and init ram disk do: mount flash again and execute in any order: mtdcopy yourBootloader.dd 0 0 mtdcopy yourKernelImage 1 0 mtdcopy yourInıtrd.dd 2 0 then extract your rootfs to the flash. unmount flash and reset. Before restarting the board don't forget to execute the following: ln -sf /linuxrc-mtdroot /linuxrc; save hope that helps cheers
--- On Tue, 8/26/08, Jayne Dickinson <> wrote:
From: Jayne Dickinson <>
Subject: [ts-7000] TS7400/128M Flash rootfs hosed
To: ""
<>
Cc: "" <>
Date: Tuesday, August 26, 2008, 11:53 PM
Greetings to all,
Well I completely hosed my rootfs when I added just one more app to my flash
filesystem... I've been trying to get the factory
default rootfs re-installed but to no luck...I think it's because I have a
special TS7400 board that isn't really supported...don't know, but I am
working against a big deadline... (who isn't eh? ).
I reattached my TS9441 to my TS7400 so I could diagnose what are my
symptoms...I have the boot jumper enabled and powerup
the board...
Wondering do I need a "special TS9441 " since the kernel on the
TS7400/32M/128M Flash is not the same as the factory
default TS7400/32M/32MFlash ??
When I mount /dev/mtdblock/3 /mnt/root
$ mount /dev/mtdblock/3 /mnt/root
$ ls /mnt/root
lost+found
$ df
Filesystem 1k-blocks Used Available Use% Mounted on
/dev/root 1003 945 58 94% /
/dev/mtdblock/3 126848 120812 6036 95% /mnt/root
Any feedback would be sweet!
Jayne
>>----------------------------------------------------- dmesg results
----------------------------------------------------------------------<<
Welcome to minicom 2.2
OPTIONS: I18n
Compiled on Jan 7 2007, 18:00:43.
Port /dev/ttyS0
Press CTRL-A Z for help on special keys
>> TS-SPIFLASHBOOT - built Jan 26 2007
>> Copyright (c) 2007, Technologic Systems
.
.
.
Finished booting in 2.76 seconds
Type 'tshelp' for help
$ lsmod
Module Size Used by
$ insmod ts7xxx_nand.o
Using ts7xxx_nand.o
$ dmesg
Linux version 2.4.26-ts11 (gcc version 3.3.4) #1 Mon Jan 8 15:31:07
7CPU: Arm920Tid(wb) revision 0
Machine: ep9301
On node 0 totalpages: 2048
zone(0): 2048 pages.
zone(1): 0 pages.
zone(2): 0 pages.
On node 1 totalpages: 2048
zone(0): 2048 pages.
zone(1): 0 pages.
zone(2): 0 pages.
On node 4 totalpages: 2048
zone(0): 2048 pages.
zone(1): 0 pages.
zone(2): 0 pages.
On node 5 totalpages: 2048
zone(0): 2048 pages.
zone(1): 0 pages.
zone(2): 0 pages.
Kernel command line: root=/dev/ram0 init=/linuxrc printk=4 loops=499712
Relocating machine vectors to 0xffff0000
Console: colour dummy device 80x30
99.94 BogoMIPS
Memory: 8MB 8MB 8MB 8MB = 32MB total
Memory: 24516KB available (1225K code, 333K data, 72K init)
Dentry cache hash table entries: 4096 (order: 3, 32768 bytes)
Inode cache hash table entries: 2048 (order: 2, 16384 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: 8192 (order: 3, 32768 bytes)
CPU: Testing write buffer: pass
POSIX conformance testing by UNIFIX
Linux NET4.0 for Linux 2.4
Based upon Swansea University Computer Society NET3.039
Initializing RT netlink socket
Starting kswapd
devfs: v1.12c (20020818) Richard Gooch
devfs: boot_options: 0x1
yaffs Jan 8 2007 15:34:38 Installing.
ttyAM0 at MMIO 0x808c0000 (irq = 52) is a AMBA
ttyAM1 at MMIO 0x808d0000 (irq = 54) is a AMBA
ttyAM2 at MMIO 0x808e0000 (irq = 55) is a AMBA
TS-UART/7400 detected a TS-7400 board
ttyTS0 at MMIO 0x12400000 (irq = 33) is a TSUART
pty: 1024 Unix98 ptys configured
Using DIO to access RTC
Real Time Clock Driver v1.10f
ep93xx_eth() version: ep93xx_eth.c: V1.0 09/04/2003 Cirrus Logic
RAMDISK driver initialized: 16 RAM disks of 12288K size 1024 blocksize
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 2048 bind 4096)
NET4: Unix domain sockets 1.0/SMP for Linux NET4.0.
NetWinder Floating Point Emulator V0.97 (double precision)
RAMDISK: Compressed image found at block 0
Freeing initrd memory: 4096K
EXT2-fs warning: mounting unchecked fs, running e2fsck is recommended
VFS: Mounted root (ext2 filesystem).
Mounted devfs on /dev
Freeing init memory: 72K
Searching for NAND flash...
NAND device: Manufacturer ID: 0xec, Chip ID: 0xf1 (Samsung NAND 128MiB 3,3V
8-b)Scanning device for bad blocks
Bad eraseblock 0 at 0x00000000
Bad eraseblock 1 at 0x00020000
Bad eraseblock 2 at 0x00040000
Bad eraseblock 3 at 0x00060000
Bad eraseblock 4 at 0x00080000
Bad eraseblock 5 at 0x000a0000
Bad eraseblock 6 at 0x000c0000
Bad eraseblock 7 at 0x000e0000
Bad eraseblock 8 at 0x00100000
Bad eraseblock 9 at 0x00120000
Bad eraseblock 10 at 0x00140000
Bad eraseblock 11 at 0x00160000
Bad eraseblock 12 at 0x00180000
Bad eraseblock 362 at 0x02d40000
Hardware ECC detected
Using MBR partition definition
Creating 4 MTD partitions on "NAND 128MiB 3,3V 8-bit":
0x00000000-0x02000000 : "whole chip"
0x00020000-0x00220000 : "kernel"
0x00220000-0x00420000 : "initrd"
0x00420000-0x08000000 : "rootfs"
------------------------------------
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