【环境】 1:Ubuntu 10.10 2:u-boot-2010.03 3:linux-2.6.35 4:优龙FS2410 5:交叉编译器:arm-none-linux-gnueabi-gcc version 4.3.2 1)解压内核 tar jxf linux-2.6.35.tar.bz2 2)修改顶层Makefile ww.linuxidc.com@linuxidc:~/win/linux-2.6.35$ vim Makefile 修改191和192行(可以先找到编译器的绝对路径) ARCH ?= arm CROSS_COMPILE ?= /home/tony/toolchain/bin/arm-none-linux-gnueabi- 3)拷贝配置文件 ww.linuxidc.com@linuxidc:~/win/linux-2.6.35$ cp arch/arm/configs/s3c2410_defconfig .config 4)配置内核 ww.linuxidc.com@linuxidc:~/win/linux-2.6.35$ make menuconfig 查看类型是否为S3C2410 System Type ---> ARM system type (Samsung S3C2410, S3C2412, S3C2413, ……) ---> 用新交叉编译器需选择EABI Kernel Features ---> [*] Use the ARM EABI to compile the kernel [*] Allow old ABI binariesto run with this kernel (EXPERIMENTAL) (NEW) 5)将cs8900.c和cs8900.h两个文件拷贝到linux-2.6.35/drivers/net/arm/下 6)修改linux-2.6.35/drivers/net/arm/vim Kconfig,添加cs8900内核配置项 添加 config S3C2410_CS8900 tristate "CS8900 support" depends on NET_ETHERNET && ARM && ARCH_SMDK2410 ---help--- support for cs8900 chipset base Ethernet cards, if you have a networkcard of this type. 7)修改linux-2.6.35/drivers/net/arm/vim Makefile 添加:obj-$(CONFIG_S3C2410_CS8900) += cs8900.o 8)添加地址映射定义 修改文件:linux-2.6.35/arch/arm/mach-s3c2410/include/mach$vim map.h 添加: /* CS8900a */ #define pSMDK2410_ETH_IO __phys_to_pfn(0x19000000) #define vSMDK2410_ETH_IO 0xE0000000 #define SMDK2410_ETH_IRQ IRQ_EINT9 9)添加平台代码 修改文件:linux-2.6.35/arch/arm/mach-s3c2410$vim mach-smdk2410.c 在59行添加一句: 57 static struct map_desc smdk2410_iodesc[]__initdata = { 58 /*nothing here yet */ 59 {vSMDK2410_ETH_IO, pSMDK2410_ETH_IO, SZ_1M, MT_DEVICE} 60}; 10)配置内核,使之支持cs8900网卡 ww.linuxidc.com@linuxidc:~/win/linux-2.6.35$ make menuconfig Device Drivers ---> [*] Network device support ---> [*] Ethernet (10 or 100Mbit) ---> <*> CS8900 support 11)重新编译内核 ww.linuxidc.com@linuxidc:~/win/linux-2.6.35$ make zImage ******************************************************************** ** 备注:如果想生成uImage ** ** cp u-boot-2010.03/tools/mkimge /usr/bin/ ** ******************************************************************** 12)拷贝zImage到tftpboot目录进行测试 ww.linuxidc.com@linuxidc:~/win/linux-2.6.35$cp arch/arm/boot/zImage /tftpboot 13)在开发板设置参数 setenv serverip 192.168.7.103 setenv ipaddr 192.168.7.163 setenv gatewayip 192.168.7.1 setenv ethaddr 08:00:3e:26:0a:5b setenv bootcmd tftp 30800000 uImage \; bootm /*** setenv bootcmd tftp 33000000 zImage \; go 33000000 如果用zImage用这个***/ setenv bootargs console=ttySAC0,115200 init=/linuxrc root=/dev/nfs nfsroot=192.168.7.103:/opt/filesystem ip=192.168.7.163 测试前提:已配置好TFTP、NFS服务 注①:/opt/filesystem为自己的已移植好的文件系统目录 注②:serverip为Ubuntu的IP,ipaddr为开发板的IP 14)如果想烧写到nand flash,让内核从nand启动,依次设置如下u-boot参数 tftp 33000000 uImage nand erase 40000 300000 nand write 33000000 40000 300000 setenv bootcmd nand read 33000000 40000 300000 \; bootm 33000000