From: Wolfgang Denk <wd@denx.de>
To: u-boot@lists.denx.de
Subject: [U-Boot] [PATCH] powerpc: add support for the Freescale P1022DS reference board
Date: Thu, 27 May 2010 23:03:26 +0200 [thread overview]
Message-ID: <20100527210326.6459FEAC238@gemini.denx.de> (raw)
In-Reply-To: <4BFED090.1040305@freescale.com>
Dear Scott Wood,
In message <4BFED090.1040305@freescale.com> you wrote:
>
> If you set maxsize beyond what you expect to find, how are you going to
> constrain it to operating on one bank?
Maybe it helps if you read section "System Initialization" in teh
README; this explains the original design when I implemented this a
decade ago.
> > Such configurations are usually set up of from several differently
> > sized banks of memory, and get_ram_size() is always run per bank. So
> > as long as chip manufacturers continue to make RAM chips with
> > power-of-two sizes only, everything should be fine.
>
> So it's not the board code at all that should be calling this, it's the
> SDRAM code? Which is already in u-boot, and not in this patch (other
> than some board-specific tweaks)?
I don't know where you initialize the RAM.
> Let's not. It can be crowded enough as is, we don't need more
> restrictions coming from u-boot wanting to do questionable and
> unnecessary things.
Well, what seems unnecessary to you is actually pretty important to
others.
Best regards,
Wolfgang Denk
--
DENX Software Engineering GmbH, MD: Wolfgang Denk & Detlev Zundel
HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany
Phone: (+49)-8142-66989-10 Fax: (+49)-8142-66989-80 Email: wd at denx.de
I realize that command does have its fascination, even under circum-
stances such as these, but I neither enjoy the idea of command nor am
I frightened of it. It simply exists, and I will do whatever logi-
cally needs to be done.
-- Spock, "The Galileo Seven", stardate 2812.7
next prev parent reply other threads:[~2010-05-27 21:03 UTC|newest]
Thread overview: 44+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-05-20 22:01 [U-Boot] [PATCH] powerpc: add support for the Freescale P1022DS reference board Timur Tabi
2010-05-20 22:33 ` Wolfgang Denk
2010-05-20 23:13 ` Kumar Gala
2010-05-21 6:50 ` Wolfgang Denk
2010-05-20 23:23 ` Timur Tabi
2010-05-21 7:07 ` Wolfgang Denk
2010-05-21 13:45 ` Timur Tabi
2010-05-21 14:22 ` Wolfgang Denk
2010-05-21 14:33 ` Timur Tabi
2010-05-21 16:07 ` Timur Tabi
2010-05-26 18:12 ` Timur Tabi
2010-05-26 18:17 ` Scott Wood
2010-05-26 18:19 ` Timur Tabi
2010-05-26 19:04 ` Scott Wood
2010-05-26 19:34 ` Timur Tabi
2010-05-26 19:46 ` Scott Wood
2010-05-26 21:59 ` Timur Tabi
2010-05-25 18:30 ` Timur Tabi
2010-05-26 20:10 ` Wolfgang Denk
2010-05-26 20:18 ` Timur Tabi
2010-05-26 20:24 ` Timur Tabi
2010-05-27 7:02 ` Wolfgang Denk
2010-05-27 14:31 ` Timur Tabi
2010-05-27 18:11 ` Wolfgang Denk
2010-05-27 18:25 ` Timur Tabi
2010-05-27 19:03 ` Scott Wood
2010-05-27 19:07 ` Timur Tabi
2010-05-27 19:10 ` Scott Wood
2010-05-27 19:54 ` Wolfgang Denk
2010-05-27 19:53 ` Wolfgang Denk
2010-05-27 20:11 ` Timur Tabi
2010-05-27 21:10 ` Wolfgang Denk
2010-05-27 19:53 ` Wolfgang Denk
2010-05-27 20:03 ` Timur Tabi
2010-05-27 20:59 ` Wolfgang Denk
2010-05-27 20:05 ` Scott Wood
2010-05-27 21:03 ` Wolfgang Denk [this message]
2010-05-27 19:45 ` Wolfgang Denk
2010-05-27 19:54 ` Timur Tabi
2010-05-27 20:00 ` Wolfgang Denk
2010-05-27 20:10 ` Scott Wood
2010-05-21 0:26 ` [U-Boot] [PATCH] powerpc: add support for the FreescaleP1022DS " Liu Dave-R63238
2010-05-21 15:25 ` Timur Tabi
2010-05-21 9:46 ` [U-Boot] [PATCH] powerpc: add support for the Freescale P1022DS " Kumar Gala
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