From mboxrd@z Thu Jan  1 00:00:00 1970
From: Chin Liang See <clsee@altera.com>
Date: Wed, 13 Jan 2016 10:23:38 +0800
Subject: [U-Boot] [PATCH v3] socfpga: Modify qts-filter args to allow
 input for bsp generated files and quartus project directories
In-Reply-To: <201601130307.31294.marex@denx.de>
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 <201601130307.31294.marex@denx.de>
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On Wed, 2016-01-13 at 03:07 +0100, Marek Vasut wrote:
> On Wednesday, January 13, 2016 at 03:05:40 AM, Chin Liang See wrote:
> > On Tue, 2016-01-12 at 03:48 +0100, Marek Vasut wrote:
> > > On Tuesday, January 12, 2016 at 01:50:18 AM, Chin Liang See
> > > wrote:
> > > > On Tue, 2016-01-12 at 01:31 +0100, Marek Vasut wrote:
> > > > > On Tuesday, January 12, 2016 at 01:26:58 AM, Chin Liang See
> > > > > 
> > > > > wrote:
> > > > > > On Mon, 2016-01-11 at 15:33 -0800, Dalon Westergreen wrote:
> > > > [...]
> > > > 
> > > > > btw. Completely off-topic, but is there any chance altera
> > > > > will
> > > > > release the
> > > > > algorithm to compute these magic values which are in the
> > > > > header
> > > > > files
> > > > > from
> > > > > the base values inserted into the HPS component in QSys ?
> > > > 
> > > > I would not suggesting that as Qsys and Quartus are doing
> > > > heavylifting
> > > > tasks there. The value would depends on the options being
> > > > choosed,
> > > > device type, device revision (if any). They also being patched
> > > > from
> > > > time to time too.
> > > 
> > > Is it all really _that_ complicated ? That's why I'd like to see
> > > the
> > > code
> > > that's doing all that computation.
> > 
> > Actually more challenges is that the code is proprietary. We might
> > get
> > stopped by legal team before making this happen too.
> 
> What's proprietary about it ? Isn't that SDRAM controller made in
> -house
> by Altera ?

Oh seems we might discussing slightly different things. I am referring
to IOCSR which is the bitstream for setting up the IO buffers. I
presume you are referring to SDRAM configuration, right?


> > > Even if it's done at compile-time, it'd
> > > still be better than the horrible headers which we have to use
> > > now.
> > 
> > I believe DTS would be better format than header file.
> 
> Coming up with sensible bindings would be hard though.
> 

Yah, that why this is get rid when we switch to Arria 10 SoC :)

Thanks
Chin Liang

> Best regards,
> Marek Vasut