I have run my linux2.6.20 kernel at my at91rm9200dk board,and startup message follow:
U-Boot 1.1.1 (May 26 2007 - 18:03:01)
U-Boot code: 21F00000 -> 21F14FFC BSS: -> 21F19678
RAM Configuration:
Bank #0: 20000000 32 MB
AMD:S29GL064 (64Mbit)
Flash: 8 MB
In: serial
Out: serial
Err: serial
Hit any key to stop autoboot: 2
## Booting image at 10100000 ...
Image Name: linux-2.6.20
Image Type: ARM Linux Kernel Image (gzip compressed)
Data Size: 1189243 Bytes = 1.1 MB
Load Address: 20008000
Entry Point: 20008000
Verifying Checksum ... OK
Uncompressing Kernel Image ... OK
Copy Cramfs Image from 0x10300000(flash) to 0x20410000(sdram) size:0x500000 ...
Copy Done.
Starting kernel ...
Uncompressing Linux.............................................................................. done, booting the kernel.
Linux version 2.6.20 (root@xuxiaodong) (gcc version 3.4.1) #17 Mon Oct 8 19:24:45 CST 2007
CPU: ARM920T [41129200] revision 0 (ARMv4T), cr=c0007177
Machine: Atmel AT91RM9200-DK
Memory policy: ECC disabled, Data cache writeback
Clocks: CPU 179 MHz, master 59 MHz, main 18.432 MHz
CPU0: D VIVT write-back cache
CPU0: I cache: 16384 bytes, associativity 64, 32 byte lines, 8 sets
CPU0: D cache: 16384 bytes, associativity 64, 32 byte lines, 8 sets
Built 1 zonelists. Total pages: 8128
Kernel command line: console=ttyS0,115200 root=/dev/nfs nfsroot=192.168.1.100:/arm/linux-2.6.13-hzh/at91-ramdisk ip=192.168.1.123:192.168.1.1:192.168.1.2:255.255.255.0
AT91: 128 gpio irqs in 4 banks
PID hash table entries: 128 (order: 7, 512 bytes)
Console: colour dummy device 80x30
Dentry cache hash table entries: 4096 (order: 2, 16384 bytes)
Inode-cache hash table entries: 2048 (order: 1, 8192 bytes)
Memory: 32MB = 32MB total
Memory: 29932KB available (2172K code, 229K data, 104K init)
Mount-cache hash table entries: 512
CPU: Testing write buffer coherency: ok
NET: Registered protocol family 16
usbcore: registered new interface driver usbfs
usbcore: registered new interface driver hub
usbcore: registered new device driver usb
NET: Registered protocol family 2
IP route cache hash table entries: 1024 (order: 0, 4096 bytes)
TCP established hash table entries: 1024 (order: 0, 4096 bytes)
TCP bind hash table entries: 512 (order: -1, 2048 bytes)
TCP: Hash tables configured (established 1024 bind 512)
TCP reno registered
NetWinder Floating Point Emulator V0.97 (double precision)
Installing knfsd (copyright (C) 1996
okir@monad.swb.de).
io scheduler noop registered
io scheduler anticipatory registered (default)
at91_spi: Baud rate set to 5990400
AT91 SPI driver loaded
AT91 Watchdog Timer enabled (5 seconds, nowayout)
atmel_usart.0: ttyS0 at MMIO 0xfefff200 (irq = 1) is a ATMEL_SERIAL
atmel_usart.1: ttyS1 at MMIO 0xfffc4000 (irq = 7) is a ATMEL_SERIAL
RAMDISK driver initialized: 16 RAM disks of 8192K size 1024 blocksize
eth0: Link now 10-HalfDuplex
eth0: AT91 ethernet at 0xfefbc000 int=24 10-HalfDuplex (00:e0:34:23:54:2d)
eth0: Davicom 9161 PHY (Copper)
physmap platform flash device: 00200000 at 10000000
physmap-flash.0: Found 1 x16 devices at 0x0 in 16-bit bank
NOR chip too large to fit in mapping. Attempting to cope...
Amd/Fujitsu Extended Query Table at 0x0040
number of CFI chips: 1
cfi_cmdset_0002: Disabling erase-suspend-program due to code brokenness.
Reducing visibility of 8192KiB chip to 2048KiB
RedBoot partition parsing not available
Probing YX-9200 S29GL064 Flash at physical address 0x10000000 (16-bit buswidth)
YX-9200 S29GL064 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.
RedBoot partition parsing not available
Using static partitions on YX-9200 S29GL064 Flash
Creating 4 MTD partitions on "YX-9200 S29GL064 Flash":
0x00000000-0x00100000 : "Bootloader"
0x00100000-0x00300000 : "Kernel"
0x00300000-0x00700000 : "Filesystem"
0x00700000-0x00800000 : "TestFs"
at91_cf: irqs det #64, io #0
usbmon: debugfs is not available
at91_ohci at91_ohci: AT91 OHCI
at91_ohci at91_ohci: new USB bus registered, assigned bus number 1
at91_ohci at91_ohci: irq 23, io mem 0x00300000
usb usb1: Product: AT91 OHCI
usb usb1: Manufacturer: Linux 2.6.20 ohci_hcd
usb usb1: SerialNumber: at91
usb usb1: configuration #1 chosen from 1 choice
hub 1-0:1.0: USB hub found
hub 1-0:1.0: 2 ports detected
udc: at91_udc version 3 May 2006
mice: PS/2 mouse device common for all mice
at91_rtc at91_rtc: rtc core: registered at91_rtc as rtc0
AT91 Real Time Clock driver.
i2c /dev entries driver
at91_i2c at91_i2c: AT91 i2c bus driver.
AT91 MMC: 4 wire bus mode not supported by this driver - using 1 wire
TCP cubic registered
NET: Registered protocol family 1
NET: Registered protocol family 17
at91_rtc at91_rtc: setting the system clock to 1998-01-01 00:00:27 (883612827)
mmc0: host does not support reading read-only switch. Assuming write-enable.
mmcblk0: mmc0:0002 SD256 250880KiB
mmcblk0: p1
usb 1-2: new low speed USB device using at91_ohci and address 2
usb 1-2: device descriptor read/64, error -62
eth0: Link now 10-HalfDuplex
usb 1-2: device descriptor read/64, error -62
usb 1-2: new low speed USB device using at91_ohci and address 3
usb 1-2: device descriptor read/64, error -62
usb 1-2: device descriptor read/64, error -62
IP-Config: Complete:
device=eth0, addr=192.168.1.123, mask=255.255.255.0, gw=192.168.1.2,
host=192.168.1.123, domain=, nis-domain=(none),
bootserver=192.168.1.1, rootserver=192.168.1.100, rootpath=
Looking up port of RPC 100003/2 on 192.168.1.100
Looking up port of RPC 100005/1 on 192.168.1.100
VFS: Mounted root (nfs filesystem).
Freeing init memory: 104K
usb 1-2: new low speed USB device using at91_ohci and address 4
usb 1-2: device not accepting address 4, error -62
usb 1-2: new low speed USB device using at91_ohci and address 5
usb 1-2: device not accepting address 5, error -62
RootDisk
mount tmpfs filesystem to /tmp
cardmgr[758]: cannot access /lib/modules/2.6.20: No such file or directory
pcmcia: Detected deprecated PCMCIA ioctl usage from process: cardmgr.
pcmcia: This interface will soon be removed from the kernel; please expect breakage unless you upgrade to new tools.
pcmcia: see
http://www.kernel.org/pub/linux/utils/k ... cmcia.html for details.
cardmgr[758]: watching 1 socket
cardmgr[758]: could not adjust resource: IO ports 0xc00-0xcff: Function not implemented
cardmgr[758]: could not adjust resource: IO ports 0x800-0x8ff: Function not implemented
cardmgr[758]: could not adjust resource: IO ports 0x100-0x4ff: Function not implemented
cardmgr[758]: could not adjust resource: memory 0xc0000-0xfffff: Function not implemented
cardmgr[758]: could not adjust resource: memory 0x60000000-0x60ffffff: Function not implemented
cardmgr[758]: could not adjust resource: memory 0xa0000000-0xa0ffffff: Function not implemented
cardmgr[758]: could not adjust resource: IO ports 0xa00-0xaff: Function not implemented
unable to open mouse device
Error: cannot open framebuffer device.
/etc/init.d/rcS: 108: /usr/sbin/chksd: not found
/etc/init.d/rcS done.
Please press Enter to activate this console.
BusyBox v1.00 (2005.05.21-05:56+0000) Built-in shell (ash)
Enter 'help' for a list of built-in commands.
-sh: can't access tty; job control turned off
~ #
kernel have display:
mmc0: host does not support reading read-only switch. Assuming write-enable.
mmcblk0: mmc0:0002 SD256 250880KiB
mmcblk0: p1
I add dev node with command:
1. mknod /dev/mmcblk0 b 254 1
2. mkdir /mnt/mmc
3.fdisk -l /dev/mmcblk0
it display
BUG: at fs/nfs/pagelist.c:339 nfs_scan_dirty()
Disk mmcblk0: 256 MB, 256850432 bytes
4 heads, 16 sectors/track, 7838 cylinders
Units = cylinders of 64 * 512 = 32768 bytes
Device Boot Start End Blocks Id System
But When I run command
mount -t vfat -o sync /dev/mmcblk0 /mnt/mmc
mount: Mounting /dev/mmcblk0 on /mnt/mmc failed: No such device
or
mount -t vfat -o sync /dev/mmcblk0p1 /mnt/mmc
mount: Mounting /dev/mmcblk0p1 on /mnt/mmc failed: No such device
Will you please why "failed: No such device"
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