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From: Nishanth Menon <menon.nishanth@gmail.com>
To: u-boot@lists.denx.de
Subject: [U-Boot] [PATCH] ARMV7: OMAP4: Calculate SDRAM size
Date: Sun, 26 Sep 2010 07:36:31 -0500	[thread overview]
Message-ID: <4C9F3E4F.3040403@gmail.com> (raw)
In-Reply-To: <FF55437E1F14DA4BAEB721A458B6701706FCA3B7C0@dbde02.ent.ti.com>

On 09/26/2010 03:39 AM, V, Aneesh wrote:
> Hi Nishanth
>
>> -----Original Message-----
>> From: u-boot-bounces at lists.denx.de [mailto:u-boot-
>> bounces at lists.denx.de] On Behalf Of Nishanth Menon
>> Sent: Saturday, September 25, 2010 8:30 PM
>> To: Steve Sakoman
>> Cc: u-boot at lists.denx.de
>> Subject: Re: [U-Boot] [PATCH] ARMV7: OMAP4: Calculate SDRAM size
>>
>> On 09/23/2010 04:12 PM, Steve Sakoman wrote:
>>> From: Aneesh V<aneesh@ti.com>
>>>
>>> Calculate the SDRAM size from DMM configuration registers instead
>> of using
>>> hard-coded values. This gives correct values for all different
>> boards.
>>>
>>> It's assumed that DMM sections do not overlap memory areas.
>>
>> How do we handle NOR boot? is it assumed that the configuration will
>> be
>> done way befor the sdram_init?
>>
>
> I think you are referring to SDRAM initialization. Yes, it is assumed
> that SDRAM initialization(at least the DMM part of it) is done before
> the call to sdram_size(). The right location for this seems
> to be the initial part of sdram_init().

thanks for the clarification.. NOR boot is usually going to have initial 
part in XIP -> we'd traditionally relocate to SDRAM before the call to 
sdram_size() happens.

Regards,
Nishanth Menon

  parent reply	other threads:[~2010-09-26 12:36 UTC|newest]

Thread overview: 18+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-09-23 21:12 [U-Boot] [PATCH] ARMV7: OMAP4: Calculate SDRAM size Steve Sakoman
2010-09-25 15:00 ` Nishanth Menon
2010-09-25 22:34   ` Wolfgang Denk
2010-09-26  2:37   ` Steve Sakoman
2010-09-26  8:39   ` V, Aneesh
2010-09-26  8:52     ` Wolfgang Denk
2010-09-26 12:36     ` Nishanth Menon [this message]
2010-09-26 14:37       ` Wolfgang Denk
2010-09-26 14:57         ` Steve Sakoman
2010-09-26 15:28           ` Nishanth Menon
2010-09-27  6:32         ` V, Aneesh
2010-09-27  9:00           ` V, Aneesh
2010-09-27  9:02           ` Wolfgang Denk
2010-09-27 21:17             ` Steve Sakoman
2010-09-27 21:37               ` Wolfgang Denk
2010-09-27 21:41                 ` Steve Sakoman
2010-09-28 17:42                   ` Wolfgang Denk
2010-09-28 17:52                     ` Paulraj, Sandeep

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