教程：

一、配置linux内核:

进入打过at91补丁的linux2.6内核源代码树的根目录

make menuconfig进入内核配置程序。

1. 

Networking --->

Networking options --->

[*] IP: kernel level autoconfiguration 

   [*] IP: DHCP support 

   [*] IP: BOOTP support 

   [*] IP: RARP support 

2. 

Device Drivers --->

     Block devices --->

           <*> Network block device support

3. 选中Device Drivers --->

         Ethernet (10 or 100Mbit) --->

               <*> Atmel MACB support 

               [*] Atmel MACB TX buffers in internal SRAM

4. 选中File systems --->

           Network File Systems --->

                <*> NFS client support 

                    [*] Provide NFSv3 client support 

                       [*] Provide client support for the NFSv3 ACL protocol extension 

                    [*] Provide NFSv4 client support (EXPERIMENTAL)

                    [*] Root file system on NFS

5.

重新编译内核

make uImage

cp  linux-2.60/arch/arm/boot/uImage  /





二、烧写内核

开机回车进入Uboot。在命令编写命令烧写内核。

Hit any key to stop autoboot:  0

U-Boot>

U-Boot> nand erase 0x100000 0x200000

NAND erase: device 0 offset 0x100000, size0x200000

Erasing at 0x2e0000 -- 100% complete.

OK

U-Boot> tftp 0x22000000 uImage

macb0: Starting autonegotiation...

macb0: Autonegotiation complete

macb0: link up, 100Mbps full-duplex (lpa: 0x41e1)

Using macb0 device

TFTP from server 192.168.1.100; our IP address is 192.168.1.140

Filename 'uImage'.

Load address: 0x22000000

Loading: T #################################################################

         ##########################################################

done

Bytes transferred = 1804256 (1b87e0 hex)

nand write 0x2200 0000   0x10 0000 0x20 0000 将内核烧入NandFlash中

三、 主机开启NFS服务 //// 写成脚本，方便调用

#!/bin/bash

ifconfig eth0 192.168.1.101

/etc/rc.d/init.d/portmap restart

/etc/rc.d/init.d/nfs restart

#!/bin/sh

mount -t nfs 192.168.1.101:/fs  /mnt -o nolock  

///// 本地测试 NFS服务是否开启，/fs为自定义的NFS根目录

echo "nfs ok!"

四、主机关闭防火墙

# lokkit   //// 回车进入后， 禁用防火墙





#service iptables stop  //// 停止防火墙服务









五、启动u-boot配置启动参数:

setenv  bootargs 

root=/dev/nfs rw console=ttyS0,115200 mem=16M nfsroot=192.168.1.101:/fs

 ip=192.168.1.10:192.168.1.101:192.168.1.1:255.255.255.0::eth0:off

///// 假设 主机IP为 192.168.1.101 

然后保存参数:saveenv









六、 开机进入NFS 

rtc-pcf8563 0-0051: setting system clock to 2014-10-27 16:23:45 UTC (1414427025)

IP-Config: Complete:

     device=eth0, addr=192.168.1.10, mask=255.255.255.0, gw=192.168.1.1,

     host=192.168.1.10, domain=, nis-domain=(none),

     bootserver=192.168.1.101, rootserver=192.168.1.101, rootpath=

Looking up port of RPC 100003/2 on 192.168.1.101

eth0: link up (100/Full)

Looking up port of RPC 100005/1 on 192.168.1.101

VFS: Mounted root (nfs filesystem) on device 0:12.

Freeing init memory: 124K

eth0: TX underrun, resetting buffers

/bin/sh: can't acess tty; job control turned off

/ # ls

bin             etc             init            mnt

dev             home            lib             nfsroot.tar.gz

Debug

1、 VFS: Cannot open root device "nfs" or unknown-block(0,255)

U-Boot 2009.08 ( 8鏈?06 2014 - 11:37:06)

DRAM:  32 MB

NAND:  128 MiB

In:    serial

Out:   serial

Err:   serial

Net:   macb0

Hit any key to stop autoboot:  0

U-Boot>

U-Boot> printenv

bootcmd=nand read 0x21000000 0x100000 0x200000; nand read 0x21900000 0x400000 0x

200000; bootm 0x21000000

bootdelay=1

baudrate=115200

ethaddr=22:33:11:44:55

ipaddr=192.168.1.140

serverip=192.168.1.100

netmask=255.255.255.0

ethact=macb0

bootargs=root=/dev/nfs rw console=ttyS0,115200 mem=16M nfsroot=192.168.1.101:/fs

 ip=192.168.1.10:192.168.1.101:192.168.1.1:255.255.255.0::eth0:off

stdin=serial

stdout=serial

stderr=serial

Environment size: 424/131067 bytes

U-Boot>

U-Boot 2009.08 ( 8鏈?06 2014 - 11:37:06)

DRAM:  32 MB

NAND:  128 MiB

In:    serial

Out:   serial

Err:   serial

Net:   macb0

Hit any key to stop autoboot:  0

NAND read: device 0 offset 0x100000, size 0x200000

 2097152 bytes read: OK

NAND read: device 0 offset 0x400000, size 0x200000

 2097152 bytes read: OK

## Booting kernel from Legacy Image at 21000000 ...

   Image Name:   Linux-2.6.30

   Image Type:   ARM Linux Kernel Image (uncompressed)

   Data Size:    1694216 Bytes =  1.6 MB

   Load Address: 20008000

   Entry Point:  20008000

   Verifying Checksum ... OK

   Loading Kernel Image ... OK

OK

Starting kernel ...

Uncompressing Linux.............................................................

.............................................. done, booting the kernel.

Linux version 2.6.30 (root@localhost.localdomain) (gcc version 4.0.0 (DENX ELDK

4.1 4.0.0)) #50 Wed Aug 6 11:23:41 CST 2014

CPU: ARM926EJ-S [41069265] revision 5 (ARMv5TEJ), cr=00053177

CPU: VIVT data cache, VIVT instruction cache

Machine: Atmel AT91SAM9260-EK

Memory policy: ECC disabled, Data cache writeback

Clocks: CPU 198 MHz, master 99 MHz, main 18.432 MHz

Built 1 zonelists in Zone order, mobility grouping off.  Total pages: 4064

Kernel command line: root=/dev/nfs rw console=ttyS0,115200 mem=16M nfsroot=192.1

68.1.101:/fs ip=192.168.1.10:192.168.1.101:192.168.1.1:255.255.255.0::eth0:off

NR_IRQS:192

AT91: 96 gpio irqs in 3 banks

PID hash table entries: 64 (order: 6, 256 bytes)

Console: colour dummy device 80x30

console [ttyS0] enabled

Dentry cache hash table entries: 2048 (order: 1, 8192 bytes)

Inode-cache hash table entries: 1024 (order: 0, 4096 bytes)

Memory: 16MB = 16MB total

Memory: 12800KB available (3052K code, 233K data, 108K init, 0K highmem)

Calibrating delay loop... 98.91 BogoMIPS (lpj=494592)

Mount-cache hash table entries: 512

CPU: Testing write buffer coherency: ok

net_namespace: 296 bytes

NET: Registered protocol family 16

AT91: Power Management

AT91: Starting after user reset

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

cfg80211: Calling CRDA to update world regulatory domain

NET: Registered protocol family 2

IP route cache hash table entries: 1024 (order: 0, 4096 bytes)

TCP established hash table entries: 512 (order: 0, 4096 bytes)

TCP bind hash table entries: 512 (order: -1, 2048 bytes)

TCP: Hash tables configured (established 512 bind 512)

TCP reno registered

NET: Registered protocol family 1

NetWinder Floating Point Emulator V0.97 (double precision)

yaffs Dec 10 2013 09:14:01 Installing.

msgmni has been set to 25

alg: No test for stdrng (krng)

io scheduler noop registered

io scheduler anticipatory registered (default)

atmel_usart.0: ttyS0 at MMIO 0xfefff200 (irq = 1) is a ATMEL_SERIAL

atmel_usart.1: ttyS1 at MMIO 0xfffb0000 (irq = 6) is a ATMEL_SERIAL

atmel_usart.2: ttyS2 at MMIO 0xfffb4000 (irq = 7) is a ATMEL_SERIAL

atmel_usart.3: ttyS3 at MMIO 0xfffb8000 (irq = 8) is a ATMEL_SERIAL

atmel_usart.4: ttyS4 at MMIO 0xfffd0000 (irq = 23) is a ATMEL_SERIAL

atmel_usart.5: ttyS5 at MMIO 0xfffd4000 (irq = 24) is a ATMEL_SERIAL

atmel_usart.6: ttyS6 at MMIO 0xfffd8000 (irq = 25) is a ATMEL_SERIAL

brd: module loaded

loop: module loaded

ssc ssc.0: Atmel SSC device at 0xc1838000 (irq 14)

Driver 'sd' needs updating - please use bus_type methods

macb macb: invalid hw address, using random

MACB_mii_bus: probed

eth0: Atmel MACB at 0xfffc4000 irq 21 (62:29:73:ab:ca:8f)

eth0: attached PHY driver [Davicom DM9161A] (mii_bus:phy_addr=ffffffff:00, irq=-

1)

NAND device: Manufacturer ID: 0xec, Chip ID: 0xf1 (Samsung NAND 128MiB 3,3V 8-bi

t)

AT91 NAND: 8-bit, Software ECC

Scanning device for bad blocks

Bad eraseblock 0 at 0x000000000000

Bad eraseblock 1 at 0x000000020000

Bad eraseblock 2 at 0x000000040000

Bad eraseblock 106 at 0x000000d40000

Bad eraseblock 171 at 0x000001560000

Bad eraseblock 179 at 0x000001660000

Creating 3 MTD partitions on "atmel_nand":

0x000000000000-0x000001000000 : "kernel"

0x000001000000-0x000002400000 : "data"

0x000002400000-0x000008000000 : "program"

atmel_spi atmel_spi.0: Atmel SPI Controller at 0xfffc8000 (irq 12)

atmel_spi atmel_spi.1: Atmel SPI Controller at 0xfffcc000 (irq 13)

ohci_hcd: USB 1.1 'Open' Host Controller (OHCI) Driver

at91_ohci at91_ohci: AT91 OHCI

at91_ohci at91_ohci: new USB bus registered, assigned bus number 1

at91_ohci at91_ohci: irq 20, io mem 0x00500000

usb usb1: configuration #1 chosen from 1 choice

hub 1-0:1.0: USB hub found

hub 1-0:1.0: 2 ports detected

Initializing USB Mass Storage driver...

usbcore: registered new interface driver usb-storage

USB Mass Storage support registered.

udc: at91_udc version 3 May 2006

mice: PS/2 mouse device common for all mice

i2c /dev entries driver

rtc-pcf8563 0-0051: chip found, driver version 0.4.3

rtc-pcf8563 0-0051: rtc core: registered rtc-pcf8563 as rtc0

i2c-gpio i2c-gpio: using pins 55 (SDA) and 56 (SCL)

mcp2515 spi1.0: device register at dev(251:0)

mcp2515 spi1.1: device register at dev(251:1)

Advanced Linux Sound Architecture Driver Version 1.0.20.

ALSA device list:

  No soundcards found.

TCP cubic registered

NET: Registered protocol family 17

RPC: Registered udp transport module.

RPC: Registered tcp transport module.

lib80211: common routines for IEEE802.11 drivers

Analog-to-Digital Converter (irq 5)

at91_adc.0: register at /dev/adc0 (210:0)

at91_adc.1: register at /dev/adc1 (210:1)

at91_adc.2: register at /dev/adc2 (210:2)

at91_adc.3: register at /dev/adc3 (210:3)

rtc-pcf8563 0-0051: setting system clock to 2014-10-27 10:54:26 UTC (1414407266)

VFS: Cannot open root device "nfs" or unknown-block(0,255)

Please append a correct "root=" boot option; here are the available partitions:

1f00           16384 mtdblock0 (driver?)

1f01           20480 mtdblock1 (driver?)

1f02           94208 mtdblock2 (driver?)

Kernel panic - not syncing: VFS: Unable to mount root fs on unknown-block(0,255)

Backtrace:

[<c0027600>] (dump_backtrace+0x0/0x10c) from [<c0027740>] (dump_stack+0x18/0x1c)

 r6:c03fb01d r5:00000000 r4:c0399f64

[<c0027728>] (dump_stack+0x0/0x1c) from [<c0039038>] (panic+0x48/0x11c)

[<c0038ff0>] (panic+0x0/0x11c) from [<c0008f54>] (mount_block_root+0x260/0x2b8)

 r3:00000000 r2:c03bd22c r1:c0399f64 r0:c02da108

 r4:c0399f64

[<c0008cf4>] (mount_block_root+0x0/0x2b8) from [<c0009000>] (mount_root+0x54/0x6

c)

[<c0008fac>] (mount_root+0x0/0x6c) from [<c0009188>] (prepare_namespace+0x170/0x

1d0)

 r5:c00208d8 r4:c0344824

[<c0009018>] (prepare_namespace+0x0/0x1d0) from [<c0008a68>] (kernel_init+0xb8/0

xe4)

 r5:c001f5f0 r4:c0344818

[<c00089b0>] (kernel_init+0x0/0xe4) from [<c003b2e4>] (do_exit+0x0/0x59c)

 r5:00000000 r4:00000000

原因：　内核文件未配置完全；

修改后打印信息如下：

Root-NFS: Unable to get mountd port number from server, using default

U-Boot 2009.08 ( 8鏈?06 2014 - 11:37:06)

DRAM:  32 MB

NAND:  128 MiB

In:    serial

Out:   serial

Err:   serial

Net:   macb0

Hit any key to stop autoboot:  0

NAND read: device 0 offset 0x100000, size 0x200000

 2097152 bytes read: OK

NAND read: device 0 offset 0x400000, size 0x200000

 2097152 bytes read: OK

## Booting kernel from Legacy Image at 21000000 ...

   Image Name:   Linux-2.6.30

   Image Type:   ARM Linux Kernel Image (uncompressed)

   Data Size:    1804192 Bytes =  1.7 MB

   Load Address: 20008000

   Entry Point:  20008000

   Verifying Checksum ... OK

   Loading Kernel Image ... OK

OK

Starting kernel ...

Uncompressing Linux.............................................................

..................................................... done, booting the kernel.

Linux version 2.6.30 (root@localhost.localdomain) (gcc version 4.0.0 (DENX ELDK

4.1 4.0.0)) #49 Mon Oct 27 14:33:33 CST 2014

CPU: ARM926EJ-S [41069265] revision 5 (ARMv5TEJ), cr=00053177

CPU: VIVT data cache, VIVT instruction cache

Machine: Atmel AT91SAM9260-EK

Memory policy: ECC disabled, Data cache writeback

Clocks: CPU 198 MHz, master 99 MHz, main 18.432 MHz

Built 1 zonelists in Zone order, mobility grouping off.  Total pages: 4064

Kernel command line: root=/dev/nfs rw console=ttyS0,115200 mem=16M nfsroot=192.1

68.1.101:/fs ip=192.168.1.10:192.168.1.101:192.168.1.1:255.255.255.0::eth0:off

NR_IRQS:192

AT91: 96 gpio irqs in 3 banks

PID hash table entries: 64 (order: 6, 256 bytes)

Console: colour dummy device 80x30

console [ttyS0] enabled

Dentry cache hash table entries: 2048 (order: 1, 8192 bytes)

Inode-cache hash table entries: 1024 (order: 0, 4096 bytes)

Memory: 16MB = 16MB total

Memory: 12564KB available (3260K code, 244K data, 124K init, 0K highmem)

Calibrating delay loop... 98.91 BogoMIPS (lpj=494592)

Mount-cache hash table entries: 512

CPU: Testing write buffer coherency: ok

net_namespace: 296 bytes

NET: Registered protocol family 16

AT91: Power Management

AT91: Starting after user reset

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

cfg80211: Calling CRDA to update world regulatory domain

NET: Registered protocol family 2

IP route cache hash table entries: 1024 (order: 0, 4096 bytes)

TCP established hash table entries: 512 (order: 0, 4096 bytes)

TCP bind hash table entries: 512 (order: -1, 2048 bytes)

TCP: Hash tables configured (established 512 bind 512)

TCP reno registered

NET: Registered protocol family 1

NetWinder Floating Point Emulator V0.97 (double precision)

yaffs Oct 27 2014 14:29:52 Installing.

msgmni has been set to 24

alg: No test for stdrng (krng)

io scheduler noop registered

io scheduler anticipatory registered (default)

atmel_usart.0: ttyS0 at MMIO 0xfefff200 (irq = 1) is a ATMEL_SERIAL

atmel_usart.1: ttyS1 at MMIO 0xfffb0000 (irq = 6) is a ATMEL_SERIAL

atmel_usart.2: ttyS2 at MMIO 0xfffb4000 (irq = 7) is a ATMEL_SERIAL

atmel_usart.3: ttyS3 at MMIO 0xfffb8000 (irq = 8) is a ATMEL_SERIAL

atmel_usart.4: ttyS4 at MMIO 0xfffd0000 (irq = 23) is a ATMEL_SERIAL

atmel_usart.5: ttyS5 at MMIO 0xfffd4000 (irq = 24) is a ATMEL_SERIAL

atmel_usart.6: ttyS6 at MMIO 0xfffd8000 (irq = 25) is a ATMEL_SERIAL

brd: module loaded

loop: module loaded

nbd: registered device at major 43

ssc ssc.0: Atmel SSC device at 0xc1838000 (irq 14)

Driver 'sd' needs updating - please use bus_type methods

macb macb: invalid hw address, using random

MACB_mii_bus: probed

eth0: Atmel MACB at 0xfffc4000 irq 21 (26:11:28:86:84:87)

eth0: attached PHY driver [Davicom DM9161A] (mii_bus:phy_addr=ffffffff:00, irq=-

1)

NAND device: Manufacturer ID: 0xec, Chip ID: 0xf1 (Samsung NAND 128MiB 3,3V 8-bi

t)

AT91 NAND: 8-bit, Software ECC

Scanning device for bad blocks

Bad eraseblock 0 at 0x000000000000

Bad eraseblock 1 at 0x000000020000

Bad eraseblock 2 at 0x000000040000

Bad eraseblock 106 at 0x000000d40000

Bad eraseblock 171 at 0x000001560000

Bad eraseblock 179 at 0x000001660000

Creating 3 MTD partitions on "atmel_nand":

0x000000000000-0x000001000000 : "kernel"

0x000001000000-0x000002400000 : "data"

0x000002400000-0x000008000000 : "program"

atmel_spi atmel_spi.1: Atmel SPI Controller at 0xfffcc000 (irq 13)

ohci_hcd: USB 1.1 'Open' Host Controller (OHCI) Driver

at91_ohci at91_ohci: AT91 OHCI

at91_ohci at91_ohci: new USB bus registered, assigned bus number 1

at91_ohci at91_ohci: irq 20, io mem 0x00500000

usb usb1: configuration #1 chosen from 1 choice

hub 1-0:1.0: USB hub found

hub 1-0:1.0: 2 ports detected

Initializing USB Mass Storage driver...

usbcore: registered new interface driver usb-storage

USB Mass Storage support registered.

udc: at91_udc version 3 May 2006

mice: PS/2 mouse device common for all mice

i2c /dev entries driver

rtc-pcf8563 0-0051: chip found, driver version 0.4.3

rtc-pcf8563 0-0051: rtc core: registered rtc-pcf8563 as rtc0

i2c-gpio i2c-gpio: using pins 55 (SDA) and 56 (SCL)

mcp2515 spi1.0: device register at dev(251:0)

Advanced Linux Sound Architecture Driver Version 1.0.20.

ALSA device list:

  No soundcards found.

TCP cubic registered

NET: Registered protocol family 17

RPC: Registered udp transport module.

RPC: Registered tcp transport module.

lib80211: common routines for IEEE802.11 drivers

Analog-to-Digital Converter (irq 5)

at91_adc.0: register at /dev/adc0 (210:0)

at91_adc.1: register at /dev/adc1 (210:1)

at91_adc.2: register at /dev/adc2 (210:2)

at91_adc.3: register at /dev/adc3 (210:3)

rtc-pcf8563 0-0051: setting system clock to 2014-10-27 14:49:02 UTC (1414421342)

IP-Config: Complete:

     device=eth0, addr=192.168.1.10, mask=255.255.255.0, gw=192.168.1.1,

     host=192.168.1.10, domain=, nis-domain=(none),

     bootserver=192.168.1.101, rootserver=192.168.1.101, rootpath=

Looking up port of RPC 100003/2 on 192.168.1.101

eth0: link up (100/Full)

rpcbind: server 192.168.1.101 not responding, timed out

Root-NFS: Unable to get nfsd port number from server, using default

Looking up port of RPC 100005/1 on 192.168.1.101

rpcbind: server 192.168.1.101 not responding, timed out

Root-NFS: Unable to get mountd port number from server, using default

原因： 主机 防火墙未完全关闭

修改后打印信息如下：

U-Boot 2009.08 ( 8月 06 2014 - 11:37:06)

DRAM:  32 MB

NAND:  128 MiB

In:    serial

Out:   serial

Err:   serial

Net:   macb0

Hit any key to stop autoboot:  1  0 

NAND read: device 0 offset 0x100000, size 0x200000

 2097152 bytes read: OK

NAND read: device 0 offset 0x400000, size 0x200000

 2097152 bytes read: OK

## Booting kernel from Legacy Image at 21000000 ...

   Image Name:   Linux-2.6.30

   Image Type:   ARM Linux Kernel Image (uncompressed)

   Data Size:    1804192 Bytes =  1.7 MB

   Load Address: 20008000

   Entry Point:  20008000

   Verifying Checksum ... OK

   Loading Kernel Image ... OK

OK

Starting kernel ...

Uncompressing Linux.................................................................................................................. done, booting the kernel.

Linux version 2.6.30 (root@localhost.localdomain) (gcc version 4.0.0 (DENX ELDK 4.1 4.0.0)) #49 Mon Oct 27 14:33:33 CST 2014

CPU: ARM926EJ-S [41069265] revision 5 (ARMv5TEJ), cr=00053177

CPU: VIVT data cache, VIVT instruction cache

Machine: Atmel AT91SAM9260-EK

Memory policy: ECC disabled, Data cache writeback

Clocks: CPU 198 MHz, master 99 MHz, main 18.432 MHz

Built 1 zonelists in Zone order, mobility grouping on.  Total pages: 8128

Kernel command line: root=/dev/nfs rw console=ttyS0,115200 mem=32M nfsroot=192.168.1.101:/fs ip=192.168.1.10:192.168.1.101:192.168.1.1:255.255.255.0::eth0:off

NR_IRQS:192

AT91: 96 gpio irqs in 3 banks

PID hash table entries: 128 (order: 7, 512 bytes)

Console: colour dummy device 80x30

console [ttyS0] enabled

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: 28808KB available (3260K code, 244K data, 124K init, 0K highmem)

Calibrating delay loop... 98.91 BogoMIPS (lpj=494592)

Mount-cache hash table entries: 512

CPU: Testing write buffer coherency: ok

net_namespace: 296 bytes

NET: Registered protocol family 16

AT91: Power Management

AT91: Starting after user reset

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

cfg80211: Calling CRDA to update world regulatory domain

NET: Registered protocol family 2

IP route cache hash table entries: 1024 (order: 0, 4096 bytes)

TCP established hash table entries: 1024 (order: 1, 8192 bytes)

TCP bind hash table entries: 1024 (order: 0, 4096 bytes)

TCP: Hash tables configured (established 1024 bind 1024)

TCP reno registered

NET: Registered protocol family 1

NetWinder Floating Point Emulator V0.97 (double precision)

yaffs Oct 27 2014 14:29:52 Installing.

msgmni has been set to 56

alg: No test for stdrng (krng)

io scheduler noop registered

io scheduler anticipatory registered (default)

atmel_usart.0: ttyS0 at MMIO 0xfefff200 (irq = 1) is a ATMEL_SERIAL

atmel_usart.1: ttyS1 at MMIO 0xfffb0000 (irq = 6) is a ATMEL_SERIAL

atmel_usart.2: ttyS2 at MMIO 0xfffb4000 (irq = 7) is a ATMEL_SERIAL

atmel_usart.3: ttyS3 at MMIO 0xfffb8000 (irq = 8) is a ATMEL_SERIAL

atmel_usart.4: ttyS4 at MMIO 0xfffd0000 (irq = 23) is a ATMEL_SERIAL

atmel_usart.5: ttyS5 at MMIO 0xfffd4000 (irq = 24) is a ATMEL_SERIAL

atmel_usart.6: ttyS6 at MMIO 0xfffd8000 (irq = 25) is a ATMEL_SERIAL

brd: module loaded

loop: module loaded

nbd: registered device at major 43

ssc ssc.0: Atmel SSC device at 0xc2838000 (irq 14)

Driver 'sd' needs updating - please use bus_type methods

macb macb: invalid hw address, using random

MACB_mii_bus: probed

eth0: Atmel MACB at 0xfffc4000 irq 21 (56:75:a5:66:8d:91)

eth0: attached PHY driver [Davicom DM9161A] (mii_bus:phy_addr=ffffffff:00, irq=-1)

NAND device: Manufacturer ID: 0xec, Chip ID: 0xf1 (Samsung NAND 128MiB 3,3V 8-bit)

AT91 NAND: 8-bit, Software ECC

Scanning device for bad blocks

Bad eraseblock 0 at 0x000000000000

Bad eraseblock 1 at 0x000000020000

Bad eraseblock 2 at 0x000000040000

Bad eraseblock 106 at 0x000000d40000

Bad eraseblock 171 at 0x000001560000

Bad eraseblock 179 at 0x000001660000

Creating 3 MTD partitions on "atmel_nand":

0x000000000000-0x000001000000 : "kernel"

0x000001000000-0x000002400000 : "data"

0x000002400000-0x000008000000 : "program"

atmel_spi atmel_spi.1: Atmel SPI Controller at 0xfffcc000 (irq 13)

ohci_hcd: USB 1.1 'Open' Host Controller (OHCI) Driver

at91_ohci at91_ohci: AT91 OHCI

at91_ohci at91_ohci: new USB bus registered, assigned bus number 1

at91_ohci at91_ohci: irq 20, io mem 0x00500000

usb usb1: configuration #1 chosen from 1 choice

hub 1-0:1.0: USB hub found

hub 1-0:1.0: 2 ports detected

Initializing USB Mass Storage driver...

usbcore: registered new interface driver usb-storage

USB Mass Storage support registered.

udc: at91_udc version 3 May 2006

mice: PS/2 mouse device common for all mice

i2c /dev entries driver

rtc-pcf8563 0-0051: chip found, driver version 0.4.3

rtc-pcf8563 0-0051: rtc core: registered rtc-pcf8563 as rtc0

i2c-gpio i2c-gpio: using pins 55 (SDA) and 56 (SCL)

mcp2515 spi1.0: device register at dev(251:0)

Advanced Linux Sound Architecture Driver Version 1.0.20.

ALSA device list:

  No soundcards found.

TCP cubic registered

NET: Registered protocol family 17

RPC: Registered udp transport module.

RPC: Registered tcp transport module.

lib80211: common routines for IEEE802.11 drivers

Analog-to-Digital Converter (irq 5)

at91_adc.0: register at /dev/adc0 (210:0)

at91_adc.1: register at /dev/adc1 (210:1)

at91_adc.2: register at /dev/adc2 (210:2)

at91_adc.3: register at /dev/adc3 (210:3)

rtc-pcf8563 0-0051: setting system clock to 2014-10-27 16:23:45 UTC (1414427025)

IP-Config: Complete:

     device=eth0, addr=192.168.1.10, mask=255.255.255.0, gw=192.168.1.1,

     host=192.168.1.10, domain=, nis-domain=(none),

     bootserver=192.168.1.101, rootserver=192.168.1.101, rootpath=

Looking up port of RPC 100003/2 on 192.168.1.101

eth0: link up (100/Full)

Looking up port of RPC 100005/1 on 192.168.1.101

VFS: Mounted root (nfs filesystem) on device 0:12.

Freeing init memory: 124K

eth0: TX underrun, resetting buffers

/bin/sh: can't acess tty; job control turned off

/ # ls

bin             etc             init            mnt

dev             home            lib             nfsroot.tar.gz

至此， 实现预期的效果， over！

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