Porting Linux on MPC8266 custom board
Vikrant_Basotra at Satyam.com
Wed Jul 6 02:30:55 EDT 2005
I am porting Linux on MPC8266 custom board, after
getting in to Linux the system seems to be struck at a point.
Saved Environment variable:-
bootargs console=ttyS0,11520 root=1f00 and downloaded the Kernel
image at address 0x02000000 in the RAM.
>From the u-boot prompt the bootm command is invoked as:-
After that what I get on the terminal is pasted below for your
I couldn't make out any thing from the output, can any body tell me
where I am doing wrong, and also I don't have any idea about the
bootargs argument "root". Can any body give the precise description of
=> bootm 02000000 ## Booting image at 02000000...
Image Name: 2.4.24 MPC8260ADS
Image Type: PowerPC Linux Kernel Image (gzip compressed)
Data Size: 725838 Bytes = 708.8 kB
Load Address: 00000000
Entry Point: 00000000
Verifying Checksum ... OK
Uncompressing Kernel Image ... OK
Memory BAT mapping: BAT2=128Mb, BAT3=0Mb, residual: 0Mb
Linux version 2.4.24-pre2 (root at pmcserver) (gcc version 3.3.4) #2 Tue
Jul 5 15:05:10 IST 2005
On node 0 totalpages: 32768
zone(0): 32768 pages.
zone(1): 0 pages.
zone(2): 0 pages.
Kernel command line: console=ttyS0,115200 root=1f00
Warning: real time clock seems stuck!
Calibrating delay loop... 131.89 BogoMIPS
Memory: 127812k available (1232k kernel code, 412k data, 64k init, 0k
Dentry cache hash table entries: 16384 (order: 5, 131072 bytes)
Inode cache hash table entries: 8192 (order: 4, 65536 bytes)
Mount cache hash table entries: 512 (order: 0, 4096 bytes)
Buffer cache hash table entries: 8192 (order: 3, 32768 bytes)
Page-cache hash table entries: 32768 (order: 5, 131072 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
JFFS2 version 2.1. (C) 2001 Red Hat, Inc., designed by Axis
i2c-core.o: i2c core module version 2.6.1 (20010830)
i2c-dev.o: i2c /dev entries driver module version 2.6.1 (20010830)
CPM UART driver version 0.01
ttyS0 on SMC1 at 0x0000, BRG7
ttyS1 on SMC2 at 0x0040, BRG8
ttyS2 on SCC1 at 0x8000, BRG1
ttyS3 on SCC2 at 0x8100, BRG2
pty: 256 Unix98 ptys configured
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