Re: pxa300 - DDRAM base value

[Mike Rapoport]

On Sun, Jun 6, 2010 at 11:17 AM, Eric Miao <eric.y.miao@xxxxxxxxx> wrote:
> On Sun, Jun 6, 2010 at 1:19 AM, Marek Vasut <marek.vasut@xxxxxxxxx> wrote:
>> Dne Ãt 1. Äervna 2010 07:44:18 balakrishnan napsal(a):
>>> I am working on pxa300 based development board and using Linux 2.6.34.
>>> This Linux kernel already has support for following boards
>>> 1. zylonite_pxa300
>>> 2. cm-x300
>>> 3. colibri-pxa300
>>> 4. littleton
>>>
>>> My doubt is that pxa300 based boards are using "0xa0000000" Âas DDRAM
>>> base and PHYS_OFFSET is also defined in
>>> "arch/arm/mach-pxa/include/mach/memory.h" as 0xa0000000.
>>> But in our board ÂDDR is mapped in 0x80000000. Does it make any
>>> problem?. Because after mmu is turned ON, my board is hanging.
>>>
>>> "zreladdr-y  := 0x80008000" is defined in
>>> "arch/arm/mach-pxa/Makefile.boot" file .
>>> my machine_desc is as follows
>>> .phys_io    Â= 0x40000000,
>>> .io_pg_offst  Â= (io_p2v(0x40000000) >> 18) & 0xfffc,
>>> .boot_params  Â= 0x80000100,
>>>
>>
>> Try editing both arch/arm/mach-pxa/Makefile.boot and
>> arch/arm/mach/pxa/include/mach/memory.h
>>
>>> With Thanks
>>> J.Balakrishnan
>>
>> The 0x80000000 should be aliased to 0xa0000000, but looking into the PXA docs,
>> it is only on pxa320. Eric, any ideas on this ?
>>
>
> Should be working on pxa300/310 as well. If it doesn't, check you bootloader
> to make sure the mapping is OK, and memory doesn't exceed
> (0xa000_0000 - 0x8000_0000).

works on CM-X300 with both pxa300 and pxa310

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-- 
	Sincerely Yours,
		Mike.
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