请大家帮帮忙 本人小白

s3c2410-rtc s3c2410-rtc: setting system clock to 2092-10-07 03:44:23 UTC (3874189463)
VFS: Cannot open root device "mtdblock2" or unknown-block(0,0)
Please append a correct "root=" boot option; here are the available partitions:
Kernel panic - not syncing: VFS: Unable to mount root fs on unknown-block(0,0)
[<c003f700>] (unwind_backtrace+0x0/0xdc) from [<c0224a98>] (panic+0x40/0x110)
[<c0224a98>] (panic+0x40/0x110) from [<c0008ea8>] (mount_block_root+0x25c/0x2ac)
[<c0008ea8>] (mount_block_root+0x25c/0x2ac) from [<c0009088>] (prepare_namespace+0x12c/0x184)
[<c0009088>] (prepare_namespace+0x12c/0x184) from [<c0008598>] (kernel_init+0xb4/0xe0)
[<c0008598>] (kernel_init+0xb4/0xe0) from [<c005b538>] (do_exit+0x0/0x578)
[<c005b538>] (do_exit+0x0/0x578) from [<00000001>] (0x1)
我要怎么才挂得上这个文件系统 （我已经下到NAND里面了）