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From: Marek Vasut <marex@denx.de>
To: u-boot@lists.denx.de
Subject: [U-Boot] [PATCH v3] Add support for MINI2440 (s3c2440). Documentation about the product can be found on: http://www.friendlyarm.net/products/mini2440
Date: Sat, 21 Apr 2012 01:07:55 +0200	[thread overview]
Message-ID: <201204210107.55926.marex@denx.de> (raw)
In-Reply-To: <CABi8O6ZN0jdY2GR5=qhG-eK1kiWsG9Mn9WSqZe8+X80Fc9bYbw@mail.gmail.com>

Dear Ilya Averyanov,

> 2012/4/21 Marek Vasut <marex@denx.de>
> 
> > Dear Vasily Khoruzhick,
> > 
> > > 2012/4/20 Marek Vasut <marex@denx.de>:
> > > > Which doesn't matter, either way you need stack ... and you can have
> > 
> > the
> > 
> > > > stack in cache ;-)
> > > 
> > > s3c24xx has 4kb of SRAM (steppingstone), you can use it for stack
> > 
> > Oh, I didn't know that ... so there's no longer any problem.
> 
> No have problem.
> Available only if you boot from NOR flash.
> If you boot from the NAND 4kb of SRAM (steppingstone) not available.

So you'll have to lock cache lines then. If you dig in the ML archive, you'll 
find a lot of discussion on this memory matter, esp. /wrt relocation support.

> > > Btw, using cache for stack looks like awful hack to me.
> > 
> > It's fairy normal.
> 
>  I agree with Vasily Khoruzhick, it looks like a hack

Please, bother to read the CPU manual and also the ARM Architecture reference 
manual before you start with such a wild accusations.

> 
> > > Regards
> > > Vasily
> > 
> > Best regards,
> > Marek Vasut

Best regards,
Marek Vasut

  reply	other threads:[~2012-04-20 23:07 UTC|newest]

Thread overview: 42+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-04-16 17:46 [U-Boot] Add support for Mini2440 Gabriel Huau
2012-04-17 20:09 ` [U-Boot] [PATCH V2] " Gabriel Huau
     [not found]   ` <1334694802-4881-1-git-send-email-contact@huau-gabriel.fr>
2012-04-17 20:45     ` [U-Boot] [PATCH v2] Add support for MINI2440 (s3c2440). Documentation about the product can be found on: http://www.friendlyarm.net/products/mini2440 Marek Vasut
2012-04-19 19:25 ` [U-Boot] [PATCH v3] " Gabriel Huau
2012-04-19 20:08   ` Marek Vasut
2012-04-19 20:16     ` Gabriel Huau
2012-04-19 20:45       ` Marek Vasut
2012-04-19 21:33         ` Gabriel Huau
2012-04-19 22:22           ` Marek Vasut
2012-04-20  7:19             ` Ilya Averyanov
2012-04-20  9:11               ` Marek Vasut
2012-04-20 13:35                 ` Ilya Averyanov
2012-04-20 14:08                   ` Marek Vasut
2012-04-20 14:30                     ` Ilya Averyanov
2012-04-20 14:35                       ` Ilya Averyanov
2012-04-20 16:17                         ` Marek Vasut
2012-04-20 17:17                           ` Ilya Averyanov
2012-04-20 19:11                             ` Marek Vasut
2012-04-23 20:36                             ` Wolfgang Denk
2012-04-20 19:18                           ` Vasily Khoruzhick
2012-04-20 20:03                             ` Marek Vasut
2012-04-20 22:51                               ` Ilya Averyanov
2012-04-20 23:07                                 ` Marek Vasut [this message]
2012-04-21  7:35                                   ` Vasily Khoruzhick
2012-04-23 20:43                                     ` Wolfgang Denk
2012-04-20 23:30                                 ` [U-Boot] [PATCH v3] Add support for MINI2440 (s3c2440) Gabriel Huau
2012-04-21  4:09                                   ` Ilya Averyanov
2012-04-21  9:00                                   ` Vasily Khoruzhick
2012-04-21  7:42                                 ` [U-Boot] [PATCH v3] Add support for MINI2440 (s3c2440). Documentation about the product can be found on: http://www.friendlyarm.net/products/mini2440 Vasily Khoruzhick
2012-04-21 10:39                                   ` Marek Vasut
2012-04-21 12:33                                   ` Ilya Averyanov
2012-04-21 13:19                                     ` Marek Vasut
2012-04-23 13:40                                       ` Ilya Averyanov
2012-04-23 14:07                                         ` Marek Vasut
2012-04-23 14:27                                           ` Ilya Averyanov
2012-04-23 15:25                                             ` Marek Vasut
2012-04-23 20:39                             ` Wolfgang Denk
2012-04-20 16:16                       ` Marek Vasut
2012-04-19 21:37         ` Ilya Averyanov
2012-04-19 22:23           ` Marek Vasut
2012-04-19 22:30             ` Graeme Russ
2012-04-19 22:22   ` Graeme Russ

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