mini6410基于linux2.6.36内核通过NFS启动根文件系统总结（五 内核测试 一 unrecognized/unsupported machine ID (r1=0x000009d8）
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step1：启动uboot
从flash启动tiny6410，按任意键进入uboot
启动界面如下所示：
CPU: S3C6410@532MHz
Fclk = 532MHz, Hclk = 133MHz, Pclk = 66MHz, Serial = CLKUART (SYNC Mode)
Board: MINI6410
DRAM: 256 MB
Flash: 0 kB
NAND: 2048 MB
In: serial
Out: serial
Err: serial
MAC: 08:90:90:90:90:90
Hit any key to stop autoboot: 0
##### FriendlyARM U-Boot(2011-03, NAND) for 6410 #####
[f] Format the nand flash
[v] Download u-boot.bin
[k] Download Linux/Android kernel
[y] Download root yaffs2 image
[a] Download Absolute User Application
[n] Download Nboot.nb0 for WinCE
[w] Download WinCE NK.nb0
[s] Set the boot parameter of Linux
[b] Boot Linux
[q] Quit to shell
NAND(MLC2): 2048 MiB, RAM: 256 MiB
LCD type, firmware version: 1 1046
Enter your Selection:
step2： 进入uboot命令窗口
按q键进入uboot命令窗口
如下所示：
Enter your Selection:q
Caution: any nand write command may damage your data. DON'T use them
MINI6410 #
step3：用tftp下载编译好的内核
tftp 通过网络下载文件
注意:使用tftp,需要先配置好网络
setenv serverip 192.168.1.100 (tftp服务器的地址)
tftp c0008000 uImage //把server(IP=环境变量中设置的serverip)中tftp服务目录 （我的是tftpboot）下的uImage通过TFTP读入到0xc0008000(内存地址)处
step4： 加载内核
bootm c0008000 //执行内存c0008000中的二进制代码
setp5：内核运行结果
MINI6410 # bootm c0008000
## Booting image at c0008000 ...
Image Name: Linux-2.6.36.2
Image Type: ARM Linux Kernel Image (uncompressed)
Data Size: 3584176 Bytes = 3.4 MB
Load Address: 50008000
Entry Point: 50008000
Verifying Checksum ... OK
OK
Starting kernel ...
Uncompressing Linux... done, booting the kernel.
Error: unrecognized/unsupported machine ID (r1 = 0x000009d8).
Available machine support:
ID (hex) NAME
000004f6 SMDK6400
0000065a SMDK6410
Please check your kernel config and/or bootloader.
step 6： 解决Error: unrecognized/unsupported machine ID (r1 = 0x000009d8)的方法
进入linux2.6.36内核
step7: 修改后的内核情况
mmc0: SDHCI controller on samsung-hsmmc [s3c-sdhci.0] using ADMA
s3c-sdhci s3c-sdhci.1: clock source 0: hsmmc (133000000 Hz)
s3c-sdhci s3c-sdhci.1: clock source 1: hsmmc (133000000 Hz)
s3c-sdhci s3c-sdhci.1: clock source 2: mmc_bus (24000000 Hz)
enter s3c64xx_setup_sdhci1_cfg_gpio
s3c6400_setup_sdhci_cfg_card: CTRL 2=c0004120, 3=80808080
mmc1: SDHCI controller on samsung-hsmmc [s3c-sdhci.1] using ADMA
usbcore: registered new interface driver usbhid
usbhid: USB HID core driver
asoc: AC97 HiFi <-> s3c-ac97 mapping ok
s3c6400_setup_sdhci_cfg_card: CTRL 2=c0004100, 3=00008080
mmc0: new high speed SDHC card at address 1234
mmcblk0: mmc0:1234 SA04G 3.65 GiB
mmcblk0: p1
s3c6400_setup_sdhci_cfg_card: CTRL 2=c0004120, 3=80808080
ALSA device list:
#0: SMDK (WM9713)
TCP cubic registered
lib80211: common routines for IEEE802.11 drivers
Registering the dns_resolver key type
s3c-rtc s3c64xx-rtc: setting system clock to 2000-10-30 06:50:40 UTC (972888640)
VFS: Cannot open root device "ubi0:FriendlyARM-root" or unknown-block(0,0)
Please append a correct "root=" boot option; here are the available partitions:
1f00 512 mtdblock0 (driver?)
1f01 5120 mtdblock1 (driver?)
1f02 2091520 mtdblock2 (driver?)
b300 3829760 mmcblk0 driver: mmcblk
b301 3825664 mmcblk0p1
Kernel panic - not syncing: VFS: Unable to mount root fs on unknown-block(0,0)
[<c00368cc>] (unwind_backtrace+0x0/0xf4) from [<c049a85c>] (dump_stack+0x18/0x1)
[<c049a85c>] (dump_stack+0x18/0x1c) from [<c049a8c4>] (panic+0x64/0x188)
[<c049a8c4>] (panic+0x64/0x188) from [<c0009024>] (mount_block_root+0x174/0x244)
[<c0009024>] (mount_block_root+0x174/0x244) from [<c0009284>] (prepare_namespac)
[<c0009284>] (prepare_namespace+0x94/0x198) from [<c0008c5c>] (kernel_init+0x11)
[<c0008c5c>] (kernel_init+0x114/0x154) from [<c0031a3c>] (kernel_thread_exit+0x)