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1 GB RAM with RM9000 SOC

To: <linux-mips@linux-mips.org>
Subject: 1 GB RAM with RM9000 SOC
From: "Anoop P.A." <Anoop_P.A@pmc-sierra.com>
Date: Sun, 24 Jan 2010 09:58:21 -0800
In-reply-to: <20100124002352.GB3251@linux-mips.org>
References: <4B56475F.8070608@gmail.com> <20100124002352.GB3251@linux-mips.org>
Sender: linux-mips-bounce@linux-mips.org
Thread-index: Acqci6ZOP5Gk3i25RkG8+2VyyGcwYwAksd0g
Thread-topic: 1 GB RAM with RM9000 SOC
Hi list,

 

Any of you successfully used >512MB ram with MIPS SOC's.  I have a
requirement where I have to use 1 GB ram with RM9000 based SOC. 

I have enabled 64 Bit support and so far it is working with 512 MB of
RAM. How ever if I increase memory beyond 512MB I am getting kernel
panic.

 

 I am adding memory region from 0x00 add_memory_region(0 ,0x40000000 ,
BOOT_MEM_RAM). (PMON maps RAM from 0x0 to 0x40000000)  Am I wrong here?

 

It will be great if you can give some suggestion /point me to a working
implementation. I am using 2.6.18 kernel.

 

Thanks

Anoop



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