Re: X-loader / U-Boot query

[Gary Thomas <gary@mlbassoc.com>]

On 10/08/2009 09:54 AM, Syed Mohammed, Khasim wrote:
>
>
>> -----Original Message-----
>> From: linux-omap-owner@vger.kernel.org [mailto:linux-omap-
>> owner@vger.kernel.org] On Behalf Of Gary Thomas
>> Sent: Thursday, October 08, 2009 10:17 AM
>> To: Menon, Nishanth
>> Cc: Adam Machalek; linux-omap@vger.kernel.org
>> Subject: Re: X-loader / U-Boot query
>>
>> On 10/08/2009 09:14 AM, Menon, Nishanth wrote:
>>>> -----Original Message-----
>>>> From: linux-omap-owner@vger.kernel.org [mailto:linux-omap-
>>>> owner@vger.kernel.org] On Behalf Of Adam Machalek
>>>> Sent: Thursday, October 08, 2009 9:47 AM
>>>> To: Gary Thomas
>>>> Cc: linux-omap@vger.kernel.org
>>>> Subject: Re: X-loader / U-Boot query
>>>>
>>>> The problem is located in u-boot/cpu/arm_cortexa8/omap3/mem.c
>>>>
>>>> Function do_sdrc_init()
>>>>
>>>> There is an assumption that the RAM size on each CS is maximum of 128M.
>>>> See this line:
>>>>
>>>> writel(RASWIDTH_13BITS | CASWIDTH_10BITS | ADDRMUXLEGACY |
>>>>         RAMSIZE_128 | BANKALLOCATION | B32NOT16 | B32NOT16 |
>>>>         DEEPPD | DDR_SDRAM,&sdrc_base->cs[cs].mcfg);
>>>>
>>> This discussion should really be taken to u-boot mailing list. Yes, any
>> additional patches would be good to have..
>>
>> Where is that list??  I did ask this question in the original
>> email...
>>
> Sorry, I have not seen all the thread. Are you using x-loader? Then your DDR configuration happens in x-loader and not in u-boot as it skips it. In that case your question should be on x-loader and this is the right list to discuss the same.
>
> If you use u-boot for RAM configuration then you should be on NOR flash.

I'm definitely using x-loader (followed by U-Boot).

Where is this set in X-loader?  Is there any guidance for
using the larger DRAM devices?

-- 
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Gary Thomas                 |  Consulting for the
MLB Associates              |    Embedded world
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