求助：linux-2.6.32.2 dm9000a驱动问题
In: serial
Out: serial
Err: serial
USB slave is enable!
Net: dm9000
Hit any key to stop autoboot: 0
NAND read: device 0 offset 0x50000, size 0x280000
please waiting......
2621440 bytes read: OK
## Booting kernel from Legacy Image at 30008000 ...
Image Name: linux-2.6.32.2
Created: 2012-02-16 8:10:36 UTC
Image Type: ARM Linux Kernel Image (uncompressed)
Data Size: 2287060 Bytes = 2.2 MiB
Load Address: 30008000
Entry Point: 30008040
Verifying Checksum ... OK
XIP Kernel Image ... OK
OK
Starting kernel ...
Uncompressing Linux.............................................................
................................................................................
........ done, booting the kernel.
Linux version 2.6.32.2-FriendlyARM (root@localhost.localdomain) (gcc version 4.3
.2 (Sourcery G++ Lite 2008q3-72) ) #16 Thu Feb 16 16:10:06 CST 2012
CPU: ARM920T [41129200] revision 0 (ARMv4T), cr=c0007177
CPU: VIVT data cache, VIVT instruction cache
Machine: FriendlyARM Mini2440 development board
Memory policy: ECC disabled, Data cache writeback
CPU S3C2440A (id 0x32440001)
S3C24XX Clocks, (c) 2004 Simtec Electronics
S3C244X: core 405.600 MHz, memory 101.400 MHz, peripheral 50.700 MHz
CLOCK: Slow mode (1.500 MHz), fast, MPLL on, UPLL on
Built 1 zonelists in Zone order, mobility grouping on. Total pages: 16256
Kernel command line: noinitrd root=/dev/mtdblock2 init=/linuxrc console=ttySAC0,
115200 rootfstype=yaffs2 rw mem=64M
PID hash table entries: 256 (order: -2, 1024 bytes)
Dentry cache hash table entries: 8192 (order: 3, 32768 bytes)
Inode-cache hash table entries: 4096 (order: 2, 16384 bytes)
Memory: 64MB = 64MB total
Memory: 60024KB available (4236K code, 452K data, 160K init, 0K highmem)
SLUB: Genslabs=11, HWalign=32, Order=0-3, MinObjects=0, CPUs=1, Nodes=1
Hierarchical RCU implementation.
NR_IRQS:85
irq: clearing subpending status 00000002
Console: colour dummy device 80x30
console [ttySAC0] enabled
Calibrating delay loop... 202.34 BogoMIPS (lpj=505856)
Mount-cache hash table entries: 512
CPU: Testing write buffer coherency: ok
NET: Registered protocol family 16
S3C2440: Initialising architecture
S3C2440: IRQ Support
S3C24XX DMA Driver, (c) 2003-2004,2006 Simtec Electronics
DMA channel 0 at c4808000, irq 33
DMA channel 1 at c4808040, irq 34
DMA channel 2 at c4808080, irq 35
DMA channel 3 at c48080c0, irq 36
S3C244X: Clock Support, DVS off
bio: create slab <bio-0> at 0
SCSI subsystem initialized
usbcore: registered new interface driver usbfs
usbcore: registered new interface driver hub
usbcore: registered new device driver usb
s3c-i2c s3c2440-i2c: slave address 0x10
s3c-i2c s3c2440-i2c: bus frequency set to 99 KHz
s3c-i2c s3c2440-i2c: i2c-0: S3C I2C adapter
NET: Registered protocol family 2
IP route cache hash table entries: 1024 (order: 0, 4096 bytes)
TCP established hash table entries: 2048 (order: 2, 16384 bytes)
TCP bind hash table entries: 2048 (order: 1, 8192 bytes)
TCP: Hash tables configured (established 2048 bind 2048)
TCP reno registered
NET: Registered protocol family 1
RPC: Registered udp transport module.
RPC: Registered tcp transport module.
RPC: Registered tcp NFSv4.1 backchannel transport module.
NetWinder Floating Point Emulator V0.97 (double precision)
yaffs Feb 15 2012 09:24:45 Installing.
msgmni has been set to 117
alg: No test for stdrng (krng)
io scheduler noop registered (default)
Console: switching to colour frame buffer device 30x20
fb0: s3c2410fb frame buffer device
backlight initialized
leds initialized
buttons initialized
pwm initialized
adc initialized
s3c2440-uart.0: s3c2410_serial0 at MMIO 0x50000000 (irq = 70) is a S3C2440
s3c2440-uart.1: s3c2410_serial1 at MMIO 0x50004000 (irq = 73) is a S3C2440
s3c2440-uart.2: s3c2410_serial2 at MMIO 0x50008000 (irq = 76) is a S3C2440
loop: module loaded
S3C24XX NAND Driver, (c) 2004 Simtec Electronics
s3c24xx-nand s3c2440-nand: Tacls=3, 29ns Twrph0=7 69ns, Twrph1=3 29ns
s3c24xx-nand s3c2440-nand: NAND soft ECC
NAND device: Manufacturer ID: 0xec, Chip ID: 0x76 (Samsung NAND 64MiB 3,3V 8-bit
)
Scanning device for bad blocks
Creating 3 MTD partitions on "NAND 64MiB 3,3V 8-bit":
0x000000000000-0x000000050000 : "boot"
0x000000050000-0x0000002d0000 : "kernel"
0x000000330000-0x000004000000 : "root"
dm9000 Ethernet Driver, V1.31linux启动停在此次不动了，发现是第一次dm9000_reset(db);的时候挂掉了，具体是执行writeb(DM9000_NCR, db->io_addr);挂掉，打印io_addr的值为c4814300，请大大指点啊
[解决办法]
PRINTK1("dm9000x: resetting/n");这句没打印出来？
http://blog.sina.com.cn/s/blog_4a4832fe0100ccm9.html
http://blog.csdn.net/woodstar123/article/details/3208458
http://www.linuxidc.com/Linux/2011-09/43773p3.htm
http://blog.csdn.net/eilianlau/article/details/7039702
