实验室古老的开发板上已经有一个做好的linux系统，加电启动后运行良好，现在想自己动手移植一次，觉得困难重重啊，要擦除其中的内容更感觉是伤心不已，有如风萧萧兮易水寒，壮士去兮不复返！
（从上电到完成系统启动过程中，超级终端显示出来的完整清单，很好的描述和记录了启动过程的细节信息！）
-----------------------------------------------------------------------
-I- AT91F_LowLevelInit(): Debug channel initialized
ATMEL LOADER VER 1.0 Nov 24 2003 13:31:42
*--------------------------------------*
DataFlash:AT45DB642
Nb pages: 8192
Page Size: 1056
Size= 8650752 bytes
Logical address: 0xC0000000
*--------------------------------------*
1: Download Dataflash [addr]
2: Read Dataflash [addr]
3: Start U-BOOT [C0008000 => 21F00000]
*--------------------------------------*
Enter:
Load U-BOOT from dataflash[c0008000] to SDRAM[21f00000]
Set PLLA to 180Mhz and Master clock to 60Mhz and start U-BOOT
U-Boot 1.0.0 (Jul 27 2004 - 11:28:25)
U-Boot code: 21F00000 -> 21F149C0 BSS: -> 21F18398
DRAM Configuration:
Bank #0: 20000000 32 MB
Atmel: AT49BV1614 (16Mbit)
Flash: 2 MB
DataFlash:AT45DB642
Nb pages: 8192
Page Size: 1056
Size= 8650752 bytes
Logical address: 0xC0000000
Area 0: C0000000 to C0007FFF (RO)
Area 1: C0008000 to C001FFFF (RO)
Area 2: C0020000 to C0027FFF
Area 3: C0028000 to C083FFFF
In: serial
Out: serial
Err: serial
Hit any key to stop autoboot: 0
MAC: error during MII initialization
TFTP from server 172.18.244.5; our IP address is 172.18.244.33
Filename '0'.
Load address: 0x0
Loading: T Timeout...
## Booting image at c0028380 ...
Image Name: my linux kernel
Image Type: ARM Linux Kernel Image (gzip compressed)
Data Size: 767447 Bytes = 749.5 kB
Load Address: 20008000
Entry Point: 20008000
Verifying Checksum ... OK
Uncompressing Kernel Image ... OK
## Loading Ramdisk Image at c04a1f00 ...
Image
Image Type: ARM Linux RAMDisk Image (gzip compressed)
Data Size: 3269552 Bytes = 3.1 MB
Load Address: 21000000
Entry Point: 21000000
Verifying Checksum ... OK
Starting kernel ...
Linux version 2.4.19-rmk7 (root@RedHat-Server) (gcc version 2.95.2 19991024 (release)) #149 Wed Nov 17 18:29:54 CST 2004
CPU: Arm920Tid(wb) revision 0
Machine: ATMEL AT91RM9200
On node 0 totalpages: 8192
zone(0): 8192 pages.
zone(1): 0 pages.
zone(2): 0 pages.
Kernel command line: root=/dev/ram rw initrd=0x21000000
60 console=ttyS0,115200 mem=32M
Console: colour dummy device 80x30
Calibrating delay loop... 29.90 BogoMIPS
Memory: 32MB = 32MB total
Memory: 24668KB available (1450K code, 318K data, 76K 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 te
Linux NET4.0 for Linux 2.4
Based upon Swansea University Computer Society NET3.039
Initializing RT netlink socket
Starting kswapd
JFFS2 version 2.1. (C) 2001 Red Hat, Inc., designed by Axis Communications AB.
SSD1906: Phys Mem address:c280f000 Phys Reg address:c280d000
SSD1906 is powered up
SSD1906 vertical sync signal exists
Console: switching to colour frame buffer device 40x30
fb0: ssd1906 frame buffer device
Display 320 x 240 16BPP
Uniform Multi-Platform E-IDE driver Revision: 6.31
ide: Assuming 50MHz system bus speed for PIO modes; override with idebus=xx
RAMDISK driver initialized: 16 RAM disks of 15360K size 1024 blocksize
SCSI subsystem driver Revision: 1.00
Linux Kernel Card Services 3.1.22
options: none
usb.c: registered new driver usbdevfs
usb.c: registered new driver hub
usb.c: registered new driver hid
hid-core.c: v1.8.1 Andreas Gal, Vojtech Pavlik
hid-core.c: USB HID support drivers
Initializing USB Mass Storage driver...
usb.c: registered new driver usb-stora
USB Mass Storage support registered.
mice: PS/2 mouse device common for all mice
ttyS0 at MEM 0xfefff200 (irq = 1) is a AT91_SERIAL
ttyS1 at MEM 0xfefc4000 (irq = 7) is a AT91_SERIAL
eth0: AT91 ethernet at 0xfefbc000 int=24 10-HalfDuplex (00:00:00:00:00:00)
AT91 Watchdog Timer enabled (5 seconds)
AT91 Real Time Clock driver
usb-ohci.c: USB OHCI at membase 0xc2855000, IRQ 23
usb.c: new USB bus registered, assigned bus number 1
hub.c: USB hub found
hub.c: 2 ports detected
i2c-dev.o: Registered 'AT91RM9200' as minor
Found AT91 i2c
AT91 SPI driver loaded
at91_dataflash: Atmel AT45DB642 detected [spi0] (8650752 bytes)
Creating 5 MTD partitions on "Atmel AT45DB642":
0x00000000-0x00028380 : "ROM-Boot + U-Boot (0.2M)"
0x00028380-0x00101d00 : "Kernel Image (0.8M)"
0x00101d00-0x00407400 : "Cramfs FileSystem (3M)"
0x00407400-0x004a1f00 : "JFFS2 FileSystem (0.6M)"
0x004a1f00-0x00840000 : "Ext2 RootFS (3.4M)"
AT91 CF driver v1.0
AT91 PCMCIA (CS release 3.1.22) IO at <6>0xc285b000 <6>
NET4: Linux TCP/IP 1.0 for NET4.0
IP Protocols: ICM
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.
NetWinder Floating Point Emulator V0.95 (c) 1998-1999 Rebel.com
cs: socket c0272000 timed out during reset. Try increasing setup_delay.
RAMDISK: Compressed image found at block 0
Freeing initrd memory: 5859K
VFS: Mounted root (ext2 filesystem).
Freeing init memory: 76K
INIT: version 2.74 booting
mount: fs type devpts not supported by kernel
/dev/tty1: F
INIT: Entering runlevel: 3
Starting system logger: syslogd
Starting INET services: inetd
Starting mouse /dev/fb0: File exists
usb.c: registered new driver usbvnet5A
Starting tty /dev/tty0: File exists
Starting console mouse services: gpm
Starting rtc gpm: oops() invoked from gpm.c(952)
/dev/mouse: No such device
AT91RM9200DK login:
Verifying Checksum ... OK
Starting kernel ...
Linux version 2.4.19-rmk7 (root@RedHat-Server) (gcc version 2.95.2 19991024 (release)) #149 Wed Nov 17 18:29:54 CST 2004
CPU: Arm920Tid(wb) revision 0
Machine: ATMEL AT91RM9200
On node 0 totalpages: 8192
zone(0): 8192 pages.
zone(1): 0 pages.
zone(2): 0 pages.
Kernel command line: root=/dev/ram rw initrd=0x21000000,6000000 ramdisk_size=153
60 console=ttyS0,115200 mem=32M
Console: colour dummy device 80x30
Calibrating delay loop... 29.90 BogoMIPS
Memory: 32MB = 32MB total
Memory: 24668KB available (1450K code, 318K data, 76K init)
Dentry cache hash table entries: 4096 (order: 3, 32768 bytes)
Inode cache hash table entries: 2048 (orde
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
Starting kswapd
JFFS2 version 2.1. (C) 2001 Red Hat, Inc., designed by Axis Communications AB.
SSD1906: Phys Mem address:c280f000 Phys Reg address:c280d000
SSD1906 is powered up
SSD1906 vertical sync signal exists
Console: switching to colour frame buffer device 40x30
fb0: ssd1906 frame buffer device
Display 320 x 240 16BPP
Uniform Multi-Platform E-IDE driver Revision: 6.31
ide: Assuming 50MHz system bus speed for PIO modes; override with idebus=xx
RAMDISK driver initialized: 16 RAM disks of 15360K size 1024 blocksize
SCSI subsystem driver Revision: 1.00
Linux Kernel Card Services 3.1.22
options: none
usb.c: registered new driver usbdevfs
usb.c: registered new driver hub
usb.c: registered new driver hid
hid-core.c: v1.8.1 Andreas Gal, Vojtech Pavlik
hid-core.c: USB HID support drivers
Initializing USB Mass Storage driver...
usb.c: registered new driver usb-storage
USB Mass Storage support registered.
mice: PS/2 mouse device common for all mice
ttyS0 at MEM 0xfefff200 (irq = 1) is a AT91_SERIAL
ttyS1 at MEM 0xfefc4000 (irq = 7) is a AT91_SERIAL
eth0: AT91 ethernet at 0xfefbc000 int=24 10-HalfDuplex (00:00:00:00:00:00)
AT91 Watchdog Timer enabled (5 seconds)
AT91 Real Time Clock driver
usb-ohci.c: USB OHCI at membase 0xc2855000, IRQ 23
usb.c: new USB bus registered, assigned bus number 1
hub.c: USB hub found
hub.c: 2 ports detected
i2c-dev.o: Registered 'AT91RM9200' as minor 0
Found AT91 i2c
AT91 SPI driver loaded
at91_dataflash: Atmel AT45DB642 detected [spi0] (8650752 bytes)
Creating 5 MTD partitions on "Atmel AT45DB642":
0x00000000-0x00028380 : "ROM-Boot + U-Boot (0.2M)"
0x00028380-0x00101d00 : "Kernel Image (0.8M)"
0x00101d00-0x00407400 : "Cramfs FileSystem (3M)"
0x00407400-0x004a1f00 : "JFFS2 FileSystem (0.6M)"
0x004a1f00-0x00840000 : "Ext2 RootFS (3.4M)"
AT91 CF driver v1.0
AT91 PCMCIA (CS release 3.1.22) IO at <6>0xc285b000 <6>
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.
NetWinder Floating Point Emulator V0.95 (c) 1998-1999 Rebel.com
cs: socket c0272000 timed out during reset. Try increasi
RAMDISK: Compressed image found at block 0
Freeing initrd memory: 5859K
VFS: Mounted root (ext2 filesystem).
Freeing init memory: 76K
INIT: version 2.74 booting
mount: fs type devpts not supported by kernel
/dev/tty1: File exists
INIT: Entering runlevel: 3
Starting system logger: syslogd
Starting INET services: inetd
Starting mouse /dev/fb0: File exists
usb.c: registered new driver usbvnet5A
Starting tty /dev/tty0: File exists
Starting console mouse services: gpm
Starting rtc gpm: oops() invoked from gpm.c(952)
/dev/mouse: No such device
AT91RM9200DK login: root
[root@/root]$ls
bin usbvnet5A.o mginit painter launcher.sh
tools bomb controlpanel notebook
[root@/root]$top
top: Unknown terminal "vt100" in $TERM
[root@/root]$
今天在培训的时候发现这块板子价值12000￥，当时吓了一跳呵呵，原来一直以为是1千来块的普通开发板，还是在清理实验室的时候从某抽屉的角落里翻出来的！：）
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