readme.m54455evb

uboot详细解读可用启动引导LINUX2.6内核

5. SCREEN DUMP
==============
5.1 M54455EVB Development board
    Boot from Atmel (NOTE: May not show exactly the same)

U-Boot 1.2.0-g98c80b46-dirty (Jul 26 2007 - 12:44:08)

CPU:   Freescale MCF54455 (Mask:48 Version:1)
       CPU CLK 266 Mhz BUS CLK 133 Mhz FLB CLK 66 Mhz
       PCI CLK 33 Mhz INP CLK 33 Mhz VCO CLK 533 Mhz
Board: Freescale M54455 EVB
I2C:   ready
DRAM:  256 MB
FLASH: 16.5 MB
In:    serial
Out:   serial
Err:   serial
Net:   FEC0, FEC1
IDE:   Bus 0: not available
-> print
bootargs=root=/dev/ram rw
bootdelay=1
baudrate=115200
ethaddr=00:e0:0c:bc:e5:60
eth1addr=00:e0:0c:bc:e5:61
hostname=M54455EVB
netdev=eth0
inpclk=33333333
loadaddr=40010000
load=tftp ${loadaddr) ${u-boot}
upd=run load; run prog
prog=prot off 0 2ffff;era 0 2ffff;cp.b ${loadaddr} 0 ${filesize};save
ethact=FEC0
mtdids=nor0=M54455EVB-1
mtdparts=M54455EVB-1:16m(user)
u-boot=u-boot54455.bin
filesize=292b4
fileaddr=40010000
gatewayip=192.168.1.1
netmask=255.255.255.0
ipaddr=192.168.1.3
serverip=192.168.1.2
stdin=serial
stdout=serial
stderr=serial
mem=261632k

Environment size: 563/8188 bytes
-> bdinfo
memstart    = 0x40000000
memsize     = 0x10000000
flashstart  = 0x00000000
flashsize   = 0x01080000
flashoffset = 0x00000000
sramstart   = 0x80000000
sramsize    = 0x00008000
mbar        = 0xFC000000
busfreq     = 133.333 MHz
pcifreq     = 33.333 MHz
flbfreq     = 66.666 MHz
inpfreq     = 33.333 MHz
vcofreq     = 533.333 MHz
ethaddr     = 00:E0:0C:BC:E5:60
eth1addr    = 00:E0:0C:BC:E5:61
ip_addr     = 192.168.1.3
baudrate    = 115200 bps
->
-> help
?       - alias for 'help'
autoscr - run script from memory
base    - print or set address offset
bdinfo  - print Board Info structure
boot    - boot default, i.e., run 'bootcmd'
bootd   - boot default, i.e., run 'bootcmd'
bootelf - Boot from an ELF image in memory
bootm   - boot application image from memory
bootp	- boot image via network using BootP/TFTP protocol
bootvx  - Boot vxWorks from an ELF image
cmp     - memory compare
coninfo - print console devices and information
cp      - memory copy
crc32   - checksum calculation
date    - get/set/reset date & time
dcache  - enable or disable data cache
diskboot- boot from IDE device
echo    - echo args to console
erase   - erase FLASH memory
ext2load- load binary file from a Ext2 filesystem
ext2ls  - list files in a directory (default /)
fatinfo - print information about filesystem
fatload - load binary file from a dos filesystem
fatls   - list files in a directory (default /)
flinfo  - print FLASH memory information
fsinfo	- print information about filesystems
fsload	- load binary file from a filesystem image
go      - start application at address 'addr'
help    - print online help
icache  - enable or disable instruction cache
icrc32  - checksum calculation
ide     - IDE sub-system
iloop   - infinite loop on address range
imd     - i2c memory display
iminfo  - print header information for application image
imls    - list all images found in flash
imm     - i2c memory modify (auto-incrementing)
imw     - memory write (fill)
inm     - memory modify (constant address)
iprobe  - probe to discover valid I2C chip addresses
itest	- return true/false on integer compare
loadb   - load binary file over serial line (kermit mode)
loads   - load S-Record file over serial line
loady   - load binary file over serial line (ymodem mode)
loop    - infinite loop on address range
ls	- list files in a directory (default /)
md      - memory display
mii     - MII utility commands
mm      - memory modify (auto-incrementing)
mtest   - simple RAM test
mw      - memory write (fill)
nfs	- boot image via network using NFS protocol
nm      - memory modify (constant address)
pci     - list and access PCI Configuration Space
ping	- send ICMP ECHO_REQUEST to network host
printenv- print environment variables
protect - enable or disable FLASH write protection
rarpboot- boot image via network using RARP/TFTP protocol
reset   - Perform RESET of the CPU
run     - run commands in an environment variable
saveenv - save environment variables to persistent storage
setenv  - set environment variables
sleep   - delay execution for some time
tftpboot- boot image via network using TFTP protocol
version - print monitor version
->bootm 4000000

## Booting image at 04000000 ...
   Image Name:   Linux Kernel Image
   Created:      2007-08-14  15:13:00 UTC
   Image Type:   M68K Linux Kernel Image (uncompressed)
   Data Size:    2301952 Bytes =  2.2 MB
   Load Address: 40020000
   Entry Point:  40020000
   Verifying Checksum ... OK
OK
Linux version 2.6.20-gfe5136d6-dirty (mattw@kea) (gcc version 4.2.0 20070318 (pr
erelease) (Sourcery G++ Lite 4.2-20)) #108 Mon Aug 13 13:00:13 MDT 2007
starting up linux startmem 0xc0254000, endmem 0xcfffffff, size 253MB
Built 1 zonelists.  Total pages: 32624
Kernel command line: root=/dev/mtdblock1 rw rootfstype=jffs2 ip=none mtdparts=ph
ysmap-flash.0:5M(kernel)ro,-(jffs2)
PID hash table entries: 1024 (order: 10, 4096 bytes)
Console: colour dummy device 80x25
Dentry cache hash table entries: 32768 (order: 4, 131072 bytes)
Inode-cache hash table entries: 16384 (order: 3, 65536 bytes)
Memory: 257496k/262136k available (1864k kernel code, 2440k data, 88k init)
Mount-cache hash table entries: 1024
NET: Registered protocol family 16
SCSI subsystem initialized
NET: Registered protocol family 2
IP route cache hash table entries: 2048 (order: 0, 8192 bytes)
TCP established hash table entries: 8192 (order: 2, 32768 bytes)
TCP bind hash table entries: 4096 (order: 1, 16384 bytes)
TCP: Hash tables configured (established 8192 bind 4096)
TCP reno registered
JFFS2 version 2.2. (NAND) (C) 2001-2006 Red Hat, Inc.
io scheduler noop registered
io scheduler anticipatory registered
io scheduler deadline registered
io scheduler cfq registered (default)
ColdFire internal UART serial driver version 1.00
ttyS0 at 0xfc060000 (irq = 90) is a builtin ColdFire UART
ttyS1 at 0xfc064000 (irq = 91) is a builtin ColdFire UART
ttyS2 at 0xfc068000 (irq = 92) is a builtin ColdFire UART
RAMDISK driver initialized: 16 RAM disks of 64000K size 1024 blocksize
loop: loaded (max 8 devices)
FEC ENET Version 0.2
fec: PHY @ 0x0, ID 0x20005ca2 -- DP83849
eth0: ethernet 00:08:ee:00:e4:19
physmap platform flash device: 01000000 at 04000000
physmap-flash.0: Found 1 x16 devices at 0x0 in 8-bit bank
 Intel/Sharp Extended Query Table at 0x0031
Using buffer write method
cfi_cmdset_0001: Erase suspend on write enabled
2 cmdlinepart partitions found on MTD device physmap-flash.0
Creating 2 MTD partitions on "physmap-flash.0":
0x00000000-0x00500000 : "kernel"
mtd: Giving out device 0 to kernel
0x00500000-0x01000000 : "jffs2"
mtd: Giving out device 1 to jffs2
mice: PS/2 mouse device common for all mice
i2c /dev entries driver
TCP cubic registered
NET: Registered protocol family 1
NET: Registered protocol family 17
NET: Registered protocol family 15
VFS: Mounted root (jffs2 filesystem).
Setting the hostname to freescale
Mounting filesystems
mount: Mounting usbfs on /proc/bus/usb failed: No such file or directory
Starting syslogd and klogd
Setting up networking on loopback device:
Setting up networking on eth0:
eth0: config: auto-negotiation on, 100FDX, 100HDX, 10FDX, 10HDX.
Adding static route for default gateway to 172.27.255.254:
Setting nameserver to 172.27.0.1 in /etc/resolv.conf:
Starting inetd:
/ #