在TQ2440的板子上建立基于nor flash的jffs2文件系统方法

在nor flash（8MB）上尝试建立jffs2文件系统时总是失败。
看了网上一些资料，但怎么修改都是失败，总会有以下信息打印出来：
VFS: Mounted root (jffs2 filesystem) on device 31:2.
Freeing init memory: 204K
Warning: unable to open an initial console.
Failed to execute /linuxrc.  Attempting defaults...
Kernel panic - not syncing: No init found.  Try passing init= option to kernel.
Backtrace:
[<c003f660>] (dump_backtrace+0x0/0x10c) from [<c018e2dc>] (dump_stack+0x18/0x1c)
r6:00000000 r5:c0017348 r4:c02399d4
[<c018e2c4>] (dump_stack+0x0/0x1c) from [<c018e43c>] (panic+0x4c/0x10c)
[<c018e3f0>] (panic+0x0/0x10c) from [<c018e29c>] (init_post+0xd8/0x100)
r3:00000000 r2:c3817700 r1:c3817800 r0:c01f44dc
[<c018e1c4>] (init_post+0x0/0x100) from [<c00089c8>] (kernel_init+0xc4/0xe4)
r4:c0017348
[<c0008904>] (kernel_init+0x0/0xe4) from [<c004efb8>] (do_exit+0x0/0x62c)
r5:00000000 r4:00000000

有没有谁有norflash建立文件系统这方面成功经验的，分享一下心得，讲解一下大致流程以及注意点即可。