From: Josh Boyer <jwboyer@linux.vnet.ibm.com>
To: Valentine <vbarshak@ru.mvista.com>
Cc: linuxppc-dev@ozlabs.org, Stefan Roese <sr@denx.de>, lebon@lebon.org.ua
Subject: Re: [PATCH] PowerPC 440EPx/GRx fix memory size calculation
Date: Wed, 11 Mar 2009 19:07:51 -0400 [thread overview]
Message-ID: <20090311230751.GA3788@zod.rchland.ibm.com> (raw)
In-Reply-To: <49B8367B.5060402@ru.mvista.com>
On Thu, Mar 12, 2009 at 01:08:59AM +0300, Valentine wrote:
>>> So, probably the best way would be to fix that in u-boot
>>> amcc/sequoia/sdram.c by doing mtsdram(DDR0_10, 0x00000100); instead
>>> of mtsdram(DDR0_10, 0x00000300);
>>> Sorry, for confusion, but after reviewing the docs, I think that
>>> only REDUC interpretation has to be fixed. The chips select part
>>> should be fixed in u-boot sdram code for Sequoia as was originally
>>> proposed by Mikhail.
>>
>> Ok, so we're back to using Mikhail's original patch then?
>>
>> josh
>
> Yes, but until u-boot is fixed this will break Sequoia/Rainier support.
Well, that's sort of a problem. The wrapper will have to deal with both
a fixed and unfixed u-boot because not everyone will update their u-boot
with the fix.
So we need a patch for the wrapper that works in all cases.
josh
next prev parent reply other threads:[~2009-03-11 23:08 UTC|newest]
Thread overview: 23+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-03-09 16:21 [PATCH] powerpc 4xx: DDR0_14[REDUC] decoded incorrectly Mikhail Zolotaryov
2009-03-09 17:12 ` Josh Boyer
2009-03-09 21:17 ` Mikhail Zolotaryov
2009-03-10 19:50 ` [PATCH] PowerPC 440EPx/GRx fix memory size calculation Valentine Barshak
2009-03-10 20:57 ` Mikhail Zolotaryov
2009-03-11 1:40 ` Valentine
2009-03-11 2:26 ` Benjamin Herrenschmidt
2009-03-11 8:24 ` Mikhail Zolotaryov
2009-03-11 8:29 ` Mikhail Zolotaryov
2009-03-11 10:37 ` Josh Boyer
2009-03-11 19:06 ` Valentine Barshak
2009-03-11 21:57 ` Josh Boyer
2009-03-11 22:08 ` Valentine
2009-03-11 23:07 ` Josh Boyer [this message]
2009-03-12 6:02 ` Stefan Roese
2009-03-12 7:32 ` Benjamin Herrenschmidt
2009-03-12 8:05 ` Stefan Roese
2009-03-12 8:12 ` Benjamin Herrenschmidt
2009-03-12 8:24 ` Stefan Roese
2009-03-12 8:45 ` Mikhail Zolotaryov
2009-03-12 10:45 ` Josh Boyer
2009-03-12 11:02 ` Stefan Roese
2009-03-13 23:01 ` Feng Kan
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