How to burn Linux Kernel into nor flash and rootfs in USB stick at Mindspeed c1k

1. 启动板子

2. Hit any key to stop autoboot and enter into u-boot env. 进入u-boot环境

3. tftp 81000000 ${kernelimage} #you can also use nfs command in uboot: nfs 81000000 /path/to/${kernelimage};

4. protect off 1:3-127

5. erase 1:3-127

6. cp.b 81000000 20060000 ${filesize} # filesize is hex number

7. norargs=setenv bootargs init=${init_process} root=/dev/uba1

8. boot_nor=run norargs addeth addip addtty;bootm 20060000

9. boocmd=boot_nor

Steps to create rootfs in USB stick and use it as root:

1. format your USB stick to ext3 file system on your host:

sudo mkfs.ext3 /dev/sda1

2. copy rootfs into USB stick

sudo mount /dev/sda1 /mnt

cd /mnt

sudo tar jxvf /path/to/mindspeed_c1000-standard-glibc_std-dist.tar.bz2

cd ../; sudo umount mnt

3. plug USB stick into c1k board

Note: to use USB stick as rootfs device, a kernel option need be enabled:

Device Drivers --->

Block devices --->

Low Performance USB Block driver