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.
next prev parent 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
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