SD卡一键烧写No NAND device found!!!

turing1992

我自己参照OK335x做了一个底板，做了两个板子用于调试，在做SD卡一键烧写系统时，一个板子正常烧写，正常启动内核，另外一块板子，烧写过程中始终碰到No NAND device found!!!，很是困惑。命令行烧写可以进入内核但会卡住，有版友碰到类似问题，提到run update_nand,我试过了，也任然是no devices available。
下面贴出启动的代码，希望有碰到这个问题的人给予解答

U-Boot SPL 2011.09 (Dec 06 2014 - 04:31:13)
Texas Instruments Revision detection unimplemented
Booting from MMC...
OMAP SD/MMC: 0
reading u-boot.img
reading u-boot.img


U-Boot 2011.09 (Dec 06 2014 - 04:31:13)

I2C:   ready
DRAM:  512 MiB
WARNING: Caches not enabled
Did not find a recognized configuration, assuming General purpose EVM in Profile 0 with Daughter board
NAND:  HW ECC BCH16 Selected
nand_get_flash_type: unknown NAND device: Manufacturer ID: 0x24, Chip ID: 0x24
No NAND device found!!!
0 MiB
MMC:   OMAP SD/MMC: 0
*** Warning - readenv() failed, using default environment

reading logo.bmp

391736 bytes read
---------------Begin update system to Nand---------------

no devices available
reading MLO
100% complete

40431 bytes read

no devices available
reading u-boot.img
100% complete

273752 bytes read

no devices available
reading uImage
100% complete

3386312 bytes read

no devices available
reading ubi.img
100% complete

48496640 bytes read

no devices available
reading logo.bmp
100% complete

391736 bytes read

no devices available

--------------Update system to Nand success--------------