linux-2.6.36.4移植到tq2440

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1、一、内核配置和编译1．修改顶层MakefileARCH?=armCROSS_COMPILE?=arm-linux-根据自己的环境修改交叉编译器前缀2．修改arch/arm/boot/Makefile增加一行@echo'Kernel:$@isready'cp$@/tftpboot/根据自己的ftp服务器目录修改3．匹配机器码1)启动u-boot执行bdinfo将输出开发板的相关信息，包括机器码TQ2440#bdarch_number=0x0000016A机器码362boot_params=0x30000100DRAMbank=0x0

2、0000000->start=0x30000000->size=0x04000000ethaddr=00:01:02:03:04:05ip_addr=192.168.1.100baudrate=115200bpsTLBaddr=0x33FF0000relocaddr=0x33F40000relocoff=0x33F40000irq_sp=0x33B2FF68spstart=0x33B2FF58FBbase=0x00000000TQ2440#2)新版u-boot可以设置环境变量machid来更改机器码TQ2440#setmachid

3、0x16A3)内核机器码：arch/arm/mach-s3c2440/mach-smdk2440.cMACHINE_START(S3C2440,"SMDK2440")其中的S3C2440即为机器码再查看arch/arm/tools/mach-types第379行即为S3C2440所对应的机器码362，必须和u-boot的机器码相同，否则没法启动内核4．修改系统时钟arch/arm/mach-s3c2440/mach-smdk2440.c我们的开发板使用12MHZs3c24xx_init_clocks(12000000);5．执行默

4、认配置root@zjh:/home/work/linux-2.6.36.4#makes3c2410_defconfig6．配置内核root@zjh:/home/work/linux-2.6.36.4#makemenuconfigKernelFeatures--->[*]UsetheARMEABItocompilethekernel[*]AllowoldABIbinariestorunwiththiskernel(EXPERIMENTAL)注：使用4.X.X版本的交叉编译器一定要选中以上两项，否则会出现Kernelpanic-not

5、syncing:Attemptedtokillinit!这样的错误以致没法启动内核SystemType--->S3C2440andS3C2442Machines--->[*]SMDK2440[*]SMDK2440withS3C2440CPUmodule只选中这两项即可，其他的Machine都取消7．编译内核root@zjh:/home/work/linux-2.6.36.4#makezImage…………OBJCOPYarch/arm/boot/zImageKernel:arch/arm/boot/zImageisreadyImag

6、eName:linux-2.6.36Created:WedOct1712:42:192012ImageType:ARMLinuxKernelImage(uncompressed)DataSize:2075944Bytes=2027.29kB=1.98MBLoadAddress:30008000EntryPoint:300080001．启动u-boot，执行如下操作TQ2440#tftp30000000uImageTQ2440#bootm30000000##Bootingimageat30000000...ImageName:lin

7、ux-2.6.36Created:2012-10-174:33:02UTCImageType:ARMLinuxKernelImage(uncompressed)DataSize:2075944Bytes=2MBLoadAddress:30008000EntryPoint:30008000VerifyingChecksum...OKXIPKernelImage...OKStartingkernel...UncompressingLinux...done,bootingthekernel.Linuxversion2.6.36.4(ro

8、ot@zjh)(gccversion4.4.3(ctng-1.6.1))#4WedOct1712:32:51CST2012CPU:ARM920T[41129200]revision0(ARMv4T),cr=c0007177CPU:VIVTdatac