Dear Xiangfu Liu, > On 10/13/2012 10:59 AM, Marek Vasut wrote: > >> From: Xiangfu <[email protected]> > >> > >> > The JZ4740 CPU can load 8KB from two different addresses: > >> > 1. the normal area up to 8KB starting from NAND flash address > >> > 0x00000000 2. the backup area up to 8KB starting from NAND flash > >> > address 0x00002000 > >> > > >> > After create u-boot-spl.bin. it needs those 4 commands create final > >> > image > >> > > >> > for jz4740 cpu. ~~~~ > >> > > >> > dd if=spl/u-boot-spl.bin of=u-boot-nand.bin conv=sync bs=8192 > >> > count=1 dd if=spl/u-boot-spl.bin of=u-boot-nand.bin > >> > conv=sync,notrunc > >> > > >> > oflag=append bs=8192 count=1 tr '\0' '\377' < /dev/zero | dd > >> > of=u-boot-nand.bin conv=sync,notrunc oflag=append bs=16384 count=1 cat > >> > u-boot-nand.bin u-boot.bin > u-boot-nand-final.bin > >> > > >> > ~~~~ > > > > Can you not do this in the linker script? Or implement CPU-specific build > > target that does this? > > Hi Marex > > Thanks for reply, I don't know how to do this in linker script. but I have > plan to send out a patch on Makefile. > > Attachment is the patch. do you think it is ok for upstream? if it's ok. I > will send out this patch in another email.
This is CPU-specific , right? So it should be some kind of CPU-specific override in CPU-specific directory, not polute the main Makefile. Best regards, Marek Vasut _______________________________________________ U-Boot mailing list [email protected] http://lists.denx.de/mailman/listinfo/u-boot
