分类: LINUX
2009-03-20 14:40:41
一.修改顶层Makefile
ARCH ?= arm
CROSS_COMPILE ?= arm-linux-
二.把U-BOOT生成的mkimage拷贝到PATH中,这样编译linux的时候,会直接调用mkimage
然后编译:
Make s
Make menuconfig
Make uImage
下载到板上运行:
Tftp 0x32000000 uImage
Bootm 0x32000000
可以看到会打印一大堆乱码
三.在配置菜单中选项择以下两个开发板:
System Type -> S
System Type -> S
File systems --->
Pseudo Filesystems --->
<*> Virtual memory file system support (former shm fs)
四.修改arch/arm/mach-s
S
五.编译,下载运行,看是否能启动,可以看到内核启动信息,最后出现panic信息
六.修改MTD分区
1.修改arch/arm/plat-s
static struct mtd_partition smdk_default_nand_part[] = {
[0] = {
.name = "kernel",
.size = SZ_
.offset = 0,
},
[1] = {
.name = "jffs",
.offset = MTDPART_OFS_APPEND,
.size = SZ_
},
[2] = {
.name = "yaffs",
.offset = MTDPART_OFS_APPEND,
.size = MTDPART_SIZ_FULL,
}
};
七.移植YAFFS文件系统
1.解压yaffs的源代码包
2.进入yaffs2文件夹
3../patch-ker.sh c /work/system/linux-
4.make menuconfig
File systems-à Miscellaneous filesystems-à <*>YAFFS2 file system support
5.make uImage
6.tftp 0x32000000 uImage
Nand erase 0 0x200000
Nand write.jffs2 0x32000000 0 $(filesize)
ckz24x0 > set bootcmd 'nboot 0x32000000 0 0; bootm 0x32000000'
ckz24x0 > saveenv