From mboxrd@z Thu Jan  1 00:00:00 1970
From: Marek Vasut <marex@denx.de>
Date: Sat, 13 Oct 2012 14:50:29 +0200
Subject: [U-Boot] [PATCH v5 1/2] qi_lb60: add nand spl support
In-Reply-To: <50795D9A.9010908@openmobilefree.net>
References: <1350007160-16383-1-git-send-email-xiangfu@openmobilefree.net>
	<201210130459.47912.marex@denx.de>
	<50795D9A.9010908@openmobilefree.net>
Message-ID: <201210131450.30122.marex@denx.de>
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To: u-boot@lists.denx.de

Dear Xiangfu Liu,

> On 10/13/2012 10:59 AM, Marek Vasut wrote:
> >> From: Xiangfu <xiangfu@openmobilefree.net>
> >> 
> >> >   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