From: Scott Wood <scottwood@freescale.com>
To: Laurent Pinchart <laurentp@cse-semaphore.com>
Cc: linuxppc-dev@ozlabs.org
Subject: Re: [PATCHv2 2/3] ep8248e: Reference SMC parameter RAM base in the device tree.
Date: Fri, 28 Mar 2008 12:11:26 -0500 [thread overview]
Message-ID: <47ED26BE.2080507@freescale.com> (raw)
In-Reply-To: <200803281726.47566.laurentp@cse-semaphore.com>
Laurent Pinchart wrote:
> Locating the end of the muram isn't as straightforward as it could be. As the
> current code already uses the beginning of the muram to store the BDs and
> data buffers, should I really bother locating the end or can I store the SMC
> parameter ram at the beginning as well ?
Maybe, but the end would be safer. What's the problem with finding the
end? Even the end of the first reg resource would be OK.
> If I'm not mistaken, once the SMC parameter ram gets relocated to the
> beginning/end of the muram, the boot loader preallocated space can be
> reclaimed and can be added to the muram in the device tree like I did in my
> previous patch. Is that correct ?
Yes.
-Scott
next prev parent reply other threads:[~2008-03-28 17:11 UTC|newest]
Thread overview: 22+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-03-26 11:17 [PATCHv2 0/3] cpm2: Reset the CPM at startup and fix the cpm_uart driver accordingly Laurent Pinchart
2008-03-26 11:19 ` [PATCHv2 1/3] cpm_uart: Allocate DPRAM memory for SMC ports on CPM2-based platforms Laurent Pinchart
2008-03-26 11:20 ` [PATCHv2 2/3] ep8248e: Reference SMC parameter RAM base in the device tree Laurent Pinchart
2008-03-26 15:57 ` Scott Wood
2008-03-27 9:07 ` Laurent Pinchart
2008-03-26 16:59 ` Scott Wood
2008-03-27 9:10 ` Laurent Pinchart
2008-03-27 15:39 ` Scott Wood
2008-03-28 13:58 ` Laurent Pinchart
2008-03-28 14:06 ` Laurent Pinchart
2008-03-28 15:22 ` Scott Wood
2008-03-28 16:26 ` Laurent Pinchart
2008-03-28 17:11 ` Scott Wood [this message]
2008-03-28 17:54 ` Laurent Pinchart
2008-03-28 18:07 ` Scott Wood
2008-03-31 9:08 ` Laurent Pinchart
2008-03-31 15:33 ` Scott Wood
2008-03-31 17:38 ` [PATCHv2 2/3] ep8248e: Reference SMC parameter RAM base in thedevice tree Rune Torgersen
2008-03-31 17:42 ` Scott Wood
2008-03-31 17:45 ` Rune Torgersen
2008-03-26 11:21 ` [PATCHv2 0/3] cpm2: Reset the CPM when early debugging is not enabled Laurent Pinchart
2008-03-26 11:22 ` Laurent Pinchart
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