first ,thanks for your coming, today ,i have download a pdf from nxp for lpc22xx,this pdf is created in 07-2-15 http://www.nxp.com/acrobat_download/other/uboot.pdf in this pdf,there are :

Unpack U-boot Package and add the Lpc2294 patch Unpack the package, and then add the LPC2294 patch(be sure the patch file is in the src directory). Proceed as follows: [root@localhost src]# bunzip2 < u-boot-1.1.3.tar.bz2 | tar xf – [root@localhost src]# cd u-boot-1.1.3 [root@localhost u-boot-1.1.3]# patch –p1 < ../u-boot-lpc2294.patch

where can i find the u-boot-lpc2294.patch?,i find in the nxp.com with long time,but i can found anything about this .