linux-kernel - Re: pxa300

Open Source and information security mailing list archives

Date:	Mon, 7 Jun 2010 22:37:16 +0300
From:	Mike Rapoport <mike.rapoport@...il.com>
To:	balakrishnan <balakrishnan@...onsystems.com>
Cc:	Marek Vasut <marek.vasut@...il.com>,
	Maharajan <maharajan@...onsystems.com>,
	Eric Miao <eric.y.miao@...il.com>,
	linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org
Subject: Re: pxa300 - DDRAM base value

> hi,
>       Now, I can able to boot after editing following files
> arch/arm/mach-pxa/Makefile.boot and arch/arm/mach/pxa/include/mach/memory.h
> (0x80000000 changed to 0xa0000000). My doubt is
> 1.why 0x80000000 (DDR phy address) is aliased to 0xa0000000 in pxa
> architecture?
> 2.In my development board two DDRAMs mapped at 0x80000000-0x88000000 and
> 0xc0000000-0xc8000000, how can I inform to kernel about this different bank
> and size?.

enable CONFIG_HIGHMEM

> My Boot loader details,
> ------------------------------
> =>bdi
> arch_number = 0x00000B04
> env_t       = 0x00000000
> boot_params = 0x80000100
> DRAM bank   = 0x00000000
> -> start    = 0x80000000
> -> size     = 0x08000000
> DRAM bank   = 0x00000001
> -> start    = 0xC0000000
> -> size     = 0x08000000
> ethaddr     = 08:00:3e:26:0a:5b
> ip_addr     = 192.168.0.21
> baudrate    = 115200 bps
> =>ver
> U-Boot 2010.03 (Jun 01 2010 - 14:27:43)
>
>
> With Thanks
> J.Balakrishnan
> _______________________________________________
> linux-arm-kernel mailing list
> linux-arm-kernel@...ts.infradead.org
> http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
>
>


-- 
	Sincerely Yours,
		Mike.
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