From mboxrd@z Thu Jan  1 00:00:00 1970
From: Marek Vasut <marex@denx.de>
Date: Sun, 6 Sep 2015 17:23:51 +0200
Subject: [U-Boot] [PATCH v2 4/8] nios2: enlarge the code relocation range
In-Reply-To: <55EC4460.30504@wytron.com.tw>
References: <1441336526-23505-1-git-send-email-thomas@wytron.com.tw>
 <201509061518.30258.marex@denx.de> <55EC4460.30504@wytron.com.tw>
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On Sunday, September 06, 2015 at 03:49:20 PM, Thomas Chou wrote:
> Hi Marek,

Hi,

> On 09/06/2015 09:18 PM, Marek Vasut wrote:
> > Why so? The EPCS is memory mapped and U-Boot starts from it, right ? So
> > U-Boot can relocate itself to the end of DRAM , right ?
> 
> No. EPCS contains a default boot copier which I said earlier.
> 
> Please take a look at this,
> 
> https://www.altera.com/support/support-resources/design-examples/intellectu
> al-property/embedded/nios-ii/exm-alt-boot-methods.html
> 
> Though the default EPCS boot copier works, it is not easy to update
> u-boot(-dtb).bin image with u-boot sf command. So I used a modified
> version, which copies the u-boot image from a fixed location on EPCS/sf
> to the end of DRAM.

Uh oh, is this copying something the U-Boot SPL cannot do for us ?

Sorry, I might be a bit lost in the "official" ways because I'm too
used to mainline ;-)

Best regards,
Marek Vasut