linuxppc-dev.lists.ozlabs.org archive mirror
 help / color / mirror / Atom feed
From: Benjamin Herrenschmidt <benh@kernel.crashing.org>
To: Josh Boyer <jwboyer@gmail.com>
Cc: Wolfgang Denk <wd@denx.de>, Ilya Yanok <yanok@emcraft.com>,
	Hollis Blanchard <hollisb@us.ibm.com>,
	linuxppc-dev@ozlabs.org, pvr@emcraft.com, dzu@denx.de,
	Hollis Blanchard <hollis@penguinppc.org>
Subject: Re: [PATCH 1/2] powerpc: add 16K/64K pages support for the 44x PPC32 architectures.
Date: Sun, 02 Nov 2008 08:55:02 +1100	[thread overview]
Message-ID: <1225576502.8004.222.camel@pasglop> (raw)
In-Reply-To: <20081101113018.GA13646@zod.rchland.ibm.com>

On Sat, 2008-11-01 at 07:30 -0400, Josh Boyer wrote:
> 
> That is on purpose.  The chip has an errata that causes badness if
> you use the last XX bytes of DRAM.  I forget exactly what XX is, but
> we just remove the last page.

Doing that from the device-tree is very hairy tho... you end up with
informations in there that aren't aligned etc... oh well.

Ben.

  reply	other threads:[~2008-11-01 21:55 UTC|newest]

Thread overview: 35+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-10-16  2:22 [RFC PATCH] Support for big page sizes on 44x (Updated) Ilya Yanok
2008-10-16  2:22 ` [PATCH 1/2] powerpc: add 16K/64K pages support for the 44x PPC32 architectures Ilya Yanok
2008-10-17 15:54   ` prodyut hazarika
2008-10-18 12:58     ` Josh Boyer
2008-10-18 20:36       ` prodyut hazarika
2008-10-22 14:28   ` Christian Ehrhardt
2008-10-22 17:54     ` Christian Ehrhardt
2008-10-31 23:23     ` Hollis Blanchard
2008-11-01 11:30       ` Josh Boyer
2008-11-01 21:55         ` Benjamin Herrenschmidt [this message]
2008-11-02 13:41           ` Josh Boyer
2008-11-02 21:33             ` Benjamin Herrenschmidt
2008-11-03  0:33               ` Josh Boyer
2008-11-03  0:43                 ` Benjamin Herrenschmidt
2008-11-03 11:26                   ` Josh Boyer
2008-11-03 20:17                     ` Benjamin Herrenschmidt
2008-11-03 19:55                   ` Hollis Blanchard
2008-11-03 20:00                     ` Josh Boyer
2008-11-05 17:33                       ` Hollis Blanchard
2008-11-06  1:48                         ` David Gibson
2008-11-11 13:19       ` Josh Boyer
2008-11-11 15:00         ` Hollis Blanchard
2008-11-10 15:09   ` [1/2] " Milton Miller
2008-11-10 16:50     ` Ilya Yanok
2008-10-16  2:22 ` [PATCH 2/2] powerpc: support for 256K pages on PPC 44x Ilya Yanok
2008-11-10 15:09   ` [2/2] " Milton Miller
2008-11-10 16:24     ` Ilya Yanok
2008-11-11 14:59       ` Milton Miller
2008-11-14  4:32         ` Re[2]: " Yuri Tikhonov
2008-11-14 15:41           ` Milton Miller
2008-11-27  0:30             ` Re[4]: " Yuri Tikhonov
2008-11-11  2:17 ` [RFC PATCH] Support for big page sizes on 44x (Updated) Benjamin Herrenschmidt
2008-11-11  2:22   ` Benjamin Herrenschmidt
2008-11-24 20:32 ` Hollis Blanchard
2008-11-24 23:06   ` Wolfgang Denk

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=1225576502.8004.222.camel@pasglop \
    --to=benh@kernel.crashing.org \
    --cc=dzu@denx.de \
    --cc=hollis@penguinppc.org \
    --cc=hollisb@us.ibm.com \
    --cc=jwboyer@gmail.com \
    --cc=linuxppc-dev@ozlabs.org \
    --cc=pvr@emcraft.com \
    --cc=wd@denx.de \
    --cc=yanok@emcraft.com \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).