help requesting for mounting eldk tools on AMCC PPC 405EP Taihu kit

Mon Jun 19 01:23:44 EST 2006

hi

 I am using Taihu Amcc PPC 405EP kit it already contains the U-boot, Linux kernel image, and ramdisk image. I connected the kit using c-kermit on fedora core 4 and installed eldk tools and added it (/opt/eldk/ppc_4xx) to NFS sharing.
While booting on kit I passed kernel arguments as 
setenv bootargs root=/dev/nfs nfsroot=192.168.2.18:/opt/eldk/ppc_4xx ip=192.168.1.62:::::eth0:off

 but the kernel is failed to mount on /dev/nfs as below please can you provide necessary steps to fix the problem.
I am waiting for your response. 

.after U-booting on kit
..
Hit any key to stop autoboot:  0
=> setenv setboot setenv bootargs root=/dev/pts nfsroot=192.168.2.18:/opt/eldk/ppc_4xx ip=192.168.1.62:::::eth0:off
=> printenv
bootdelay=5
baudrate=9600
filesize=ebb7e5
ethaddr=50:00:00:00:25:00
eth1addr=50:00:00:00:25:01
loads_echo=1
ethact=ppc_4xx_eth0
bootcmd=run setboot;bootm 0xfc000000 0xfc300000
kozio=bootm 0xffe00000
RT_eth0_ip=192.168.1.62
RT_eth0_ip2=:::::eth0:off
stdin=serial
stdout=serial
stderr=serial
ver=U-Boot 1.1.4 (Jan 19 2006 - 14:16:53)
setboot=setenv bootargs root=/dev/pts nfsroot=192.168.2.18:/opt/eldk/ppc_4xx ip=192.168.1.62:::::eth0:off

Environment size: 450/16379 bytes
=> boot
## Booting image at fc000000 ...
   Image Name:   Linux-2.6.13
   Image Type:   PowerPC Linux Kernel Image (gzip compressed)
   Data Size:    1121647 Bytes =  1.1 MB
   Load Address: 00000000
   Entry Point:  00000000
   Verifying Checksum ... OK
   Uncompressing Kernel Image ... OK
## Loading RAMDisk Image at fc300000 ...
   Image Name:   Taihu Ramdisk
   Image Type:   PowerPC Linux RAMDisk Image (gzip compressed)
   Data Size:    15447973 Bytes = 14.7 MB
   Load Address: 00000000
   Entry Point:  00000000
   Verifying Checksum ... OK
   Loading Ramdisk to 070e3000, end 07f9e7a5 ... OK
Linux version 2.6.13 (root at linux_box) (gcc version 4.0.0 (DENX ELDK 4.0 4.0.0)) #50 Tue Feb 7 09:07:24 CST 2006
AMCC PowerPC 405EP Taihu Platform
Built 1 zonelists
Kernel command line: root=/dev/pts nfsroot=192.168.2.18:/opt/eldk/ppc_4xx ip=192.168.1.62:::::eth0:off
PID hash table entries: 1024 (order: 10, 16384 bytes)
Dentry cache hash table entries: 32768 (order: 5, 131072 bytes)
Inode-cache hash table entries: 16384 (order: 4, 65536 bytes)
Memory: 112128k available (1916k kernel code, 452k data, 96k init, 0k highmem)
Mount-cache hash table entries: 512
checking if image is initramfs...it isn't (no cpio magic); looks like an initrd
Freeing initrd memory: 15085k freed
NET: Registered protocol family 16
PCI: Probing PCI hardware
JFFS2 version 2.2. (NAND) (C) 2001-2003 Red Hat, Inc.
Initializing Cryptographic API
Serial: 8250/16550 driver $Revision: 1.90 $ 4 ports, IRQ sharing enabled
ttyS0 at MMIO 0x0 (irq = 1) is a 16550A
ttyS1 at MMIO 0x0 (irq = 0) is a 16550A
io scheduler noop registered
io scheduler anticipatory registered
io scheduler deadline registered
io scheduler cfq registered
RAMDISK driver initialized: 16 RAM disks of 4096K size 1024 blocksize
loop: loaded (max 8 devices)
mal0: Initialized, 4 tx channels, 2 rx channels
emac: IBM EMAC Ethernet driver, version 2.0
Maintained by Benjamin Herrenschmidt <benh at kernel.crashing.org>
eth0: IBM emac, MAC 50:00:00:00:25:00
eth0: Found Generic MII PHY (0x14)
eth1: IBM emac, MAC 50:00:00:00:25:01
eth1: Found Generic MII PHY (0x10)
e100: Intel(R) PRO/100 Network Driver, 3.4.8-k2-NAPI
e100: Copyright(c) 1999-2005 Intel Corporation
taihu: bootflash mapping: 200000 at ffe00000
AMCC Taihu Boot Flash: 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.
Creating 3 MTD partitions on "AMCC Taihu Boot Flash":
0x00000000-0x001a0000 : "kozio diags"
0x001a0000-0x001c0000 : "u-boot env"
0x001c0000-0x00200000 : "u-boot"
taihu: appflash mapping: 2000000 at fc000000
AMCC Taihu Application Flash: Found 2 x16 devices at 0x0 in 16-bit bank
 Amd/Fujitsu Extended Query Table at 0x0040
AMCC Taihu Application Flash: CFI does not contain boot bank location. Assuming top.
number of CFI chips: 1
cfi_cmdset_0002: Disabling erase-suspend-program due to code brokenness.
Creating 3 MTD partitions on "AMCC Taihu Application Flash":
0x00000000-0x00300000 : "kernel"
0x00300000-0x01d00000 : "initrd"
0x01d00000-0x02000000 : "jffs2"
Yenta: CardBus bridge found at 0000:00:07.0 [0000:0000]
Yenta: Enabling burst memory read transactions
Yenta: Using CSCINT to route CSC interrupts to PCI
Yenta: Routing CardBus interrupts to PCI
Yenta TI: socket 0000:00:07.0, mfunc 0x00001000, devctl 0x66
Yenta TI: socket 0000:00:07.0 probing PCI interrupt failed, trying to fix
Yenta TI: socket 0000:00:07.0 falling back to parallel PCI interrupts
Yenta TI: socket 0000:00:07.0 parallel PCI interrupts ok
eth0: Link is Up
eth0: Speed: 100, Full duplex.
Yenta: ISA IRQ mask 0x0000, PCI irq 26
Socket status: 30000087
pcmcia: parent PCI bridge I/O window: 0x0 - 0xffff
pcmcia: parent PCI bridge Memory window: 0x80000000 - 0xbfffffff
zero gadget: Gadget Zero, version: St Patrick's Day 2004
zero gadget: using pd12_udc, OUT ep1out-bulk IN ep2in-bulk
pd12_udc: registered gadget driver 'zero'
i2c /dev entries driver
IBM IIC driver v2.1
ibm-iic0: using standard (100 kHz) mode
NET: Registered protocol family 2
IP route cache hash table entries: 2048 (order: 1, 8192 bytes)
TCP established hash table entries: 8192 (order: 4, 65536 bytes)
TCP bind hash table entries: 8192 (order: 3, 32768 bytes)
TCP: Hash tables configured (established 8192 bind 8192)
TCP reno registered
TCP bic registered
NET: Registered protocol family 1
NET: Registered protocol family 17
NET: Registered protocol family 15
eth0: Link is Up
eth0: Speed: 100, Full duplex.
IP-Config: Guessing netmask 255.255.255.0
IP-Config: Complete:
      device=eth0, addr=192.168.1.62, mask=255.255.255.0, gw=255.255.255.255,
     host=192.168.1.62, domain=, nis-domain=(none),
     bootserver=255.255.255.255, rootserver=255.255.255.255, rootpath=
RAMDISK: Compressed image found at block 0
RAMDISK: incomplete write (-28 != 32768) 4194304
VFS: Cannot open root device "pts" or unknown-block(0,0)
Please append a correct "root=" boot option
Kernel panic - not syncing: VFS: Unable to mount root fs on unknown-block(0,0)
 <0>Rebooting in 180 seconds..<NULL>

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