Hello all,
I have a problem when reinstall kernel for TS7250 using my toolchain.
I use kernel 2.4.26-vrs1-cirrus-1-2-1-ts8 from TS. Toolchain contains GCC
3.4.3, Binutils 2.15 and uClibc 0.9.27.
Kernel is configured by using ts7250 found at arch/arm/def-configs/
directory in kernel archive. Reinstalling has been done successfully without
error and it results kernel image (zImage) in kernel root dir.
Then, i load this image using tftp. The following is snapshot when kernel
loading:
RedBoot(tm) bootstrap and debug environment [ROMRAM]
Non-certified release, version current-TS_5 - built 16:49:40, Mar 1 2005
Platform: TS-7250 Board (ARM920T) Rev A
Copyright (C) 2000, 2001, 2002, 2003, 2004 Red Hat, Inc.
RAM: 0x00000000-0x02000000, [0x00051570-0x01ff9000] available
FLASH: 0x60000000 - 0x68000000, 8192 blocks of 0x00004000 bytes each.
== Executing boot script in 0.100 seconds - enter ^C to abort
^C
RedBoot> load -r -b 0x00218000 -h 10.0.0.77 zImage
Using default protocol (TFTP)
Raw file loaded 0x00218000-0x002b2dcf, assumed entry at 0x00218000
RedBoot> exec -c "console=ttyAM0,115200 ip=dhcp
nfsroot=10.0.0.77:/nfsroot/targetarm"
Using base address 0x00218000 and length 0x0009add0
Uncompressing Linux............................................ done,
booting the kernel.
Linux version 2.4.26-vrs1-cirrus-1-2-1-ts8 (gcc version
3.4.3) #2 Tue Sep 20 14:25:31 WIT 2005
CPU: Arm920Tid(wb) revision 0
Machine: ep9301
Ignoring unrecognised tag 0x54410001
Ignoring unrecognised tag 0x54410002
Ignoring unrecognised tag 0x54410002
Ignoring unrecognised tag 0x54410002
Ignoring unrecognised tag 0x54410002
Ignoring unrecognised tag 0x54410002
Ignoring unrecognised tag 0x54410002
Ignoring unrecognised tag 0x54410002
Ignoring unrecognised tag 0x54410002
Ignoring unrecognised tag 0x54410009
On node 0 totalpages: 2048
zone(0): 2048 pages.
zone(1): 0 pages.
zone(2): 0 pages.
Kernel command line: root=/dev/mtdblock1 console=ttyAM0,115200
Calibrating delay loop... 99.94 BogoMIPS
Memory: 8MB = 8MB total
Memory: 4472KB available (1118K code, 290K data, 64K 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)
1. Kernel reports "unrecognize tag " (found at
linux-24/arch/arm/kernel/setup.c) and then i only have 8MB RAM. Is it
because i'm missing something in kernel configuration regarded to TS7250
board?
2. Why i can't passing booting parameter from redboot (see Kernel command
line above, it doesn't change with value i passed to redboot command)?
Default kernel parameter looks like be hardcoded into image and it is always
used even if i pass different parameter into kernel.
Anyone can help?
-eko didik widianto
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