From: Benjamin Herrenschmidt <benh@kernel.crashing.org>
To: Stefan Roese <sr@denx.de>
Cc: linuxppc-dev@ozlabs.org, lebon@lebon.org.ua
Subject: Re: [PATCH] PowerPC 440EPx/GRx fix memory size calculation
Date: Thu, 12 Mar 2009 19:12:29 +1100 [thread overview]
Message-ID: <1236845549.7086.86.camel@pasglop> (raw)
In-Reply-To: <200903120905.11542.sr@denx.de>
On Thu, 2009-03-12 at 09:05 +0100, Stefan Roese wrote:
>
> Both is possible. Older U-Boot versions only passed the bd_t struct to the
> kernel. For those U-Boot's the wrapper is needed. More recent U-Boot versions
> support passing a device-tree blob to the kernel. U-Boot patches the correct
> memory size in this blob.
>
> As a matter of fact, I never used the wrapper before. U-Boot supports passing
> the device-tree blob to Linux since quite some time now.
Yes, that's also how I use it on canyonlands... now, the wrapper could
probably be used to look at the bd_t anyways, no ? Either get the mem
size from there or some flag or version in there can indicate if it's
been "fixed".
Ben.
next prev parent reply other threads:[~2009-03-12 8:12 UTC|newest]
Thread overview: 26+ 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 16:21 ` Mikhail Zolotaryov
2009-03-09 17:12 ` Josh Boyer
2009-03-09 17:12 ` Josh Boyer
2009-03-09 21:17 ` Mikhail Zolotaryov
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
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 [this message]
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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