[microblaze-uclinux] RAM prob addr

[Anuroop M <anuroop.m@xxxxxxxxx>]

Hi all..,

I have a prolem while uclinux booting. the size mensioned in ram prob
addr is getting corrupted. actually i m using 32 mb sdram. mapped from
0x82000000 0x83ffffff but while displaying it on console , it gets
changed.
the boot log is given below.

----------------------------------------------------------------------------------------------------------------------
Linux version 2.4.29-uc1 (root@jithin1.core.com) (gcc version 2.95.3-4 Xilinx ED
K 6.3 Build EDK_Gmm.12.2) #165 Mon Jun 20 15:45:37 IST 2005
On node 0 totalpages: 8192
zone(0): 8192 pages.
zone(1): 0 pages.
zone(2): 0 pages.
CPU: MICROBLAZE
Kernel command line:
Console: xmbserial on UARTLite
Calibrating delay loop... 49.66 BogoMIPS
Memory: 32MB = 32MB total
Memory: 31040KB available (1128K code, 236K data, 44K 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)
POSIX conformance testing by UNIFIX
Linux NET4.0 for Linux 2.4
Based upon Swansea University Computer Society NET3.039
Initializing RT netlink socket
Microblaze UARTlite serial driver version 1.00
ttyS0 at 0x81810000 (irq = 1) is a Microblaze UARTlite
Starting kswapd
xgpio #0 at 0x80400000 mapped to 0x80400000
Xilinx GPIO registered
RAMDISK driver initialized: 16 RAM disks of 4096K size 1024 blocksize
eth0: using fifo mode.
eth0: Xilinx EMAC #0 at 0x81410000 mapped to 0x81410000, irq=2
eth0: id 2.0h; block id 7, type 1
uclinux[mtd]: RAM probe address=0x821554c4 size=0x51690000
uclinux[mtd]: root filesystem index=0
NET4: Linux TCP/IP 1.0 for NET4.0
IP Protocols: ICMP, UDP, TCP
IP: routing cache hash table of 512 buckets, 4Kbytes
TCP: Hash tables configured (established 2048 bind 2048)
NET4: Unix domain sockets 1.0/SMP for Linux NET4.0.
*******
VFS: test name = </dev/root>
VFS: fs_name = <ext2>
VFS: root name <1f:00>
*******
VFS: tried fs_name = <ext2> err= -22
Kernel panic: VFS: Unable to mount root fs on 1f:00

----------------------------------------------------------------------------------------------------------------------

can anyone help me to solve this issue.

thanks and regards,

-Anuroop

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