[PATCH v1 3/3] arm64: dts: add Hi6220 mailbox node

Sudeep Holla sudeep.holla at arm.com
Tue Aug 25 07:13:26 PDT 2015



On 25/08/15 15:04, Leo Yan wrote:
> Hi Sudeep,
>
> On Tue, Aug 25, 2015 at 12:36:12PM +0100, Sudeep Holla wrote:
>>
>>
>> On 19/08/15 10:37, Leo Yan wrote:
>>> On Hi6220, below memory regions in DDR have specific purpose:
>>>
>>>    0x05e0,0000 - 0x05ef,ffff: For MCU firmware using at runtime;
>>>    0x0740,f000 - 0x0740,ffff: For MCU firmware's section;
>>>    0x06df,f000 - 0x06df,ffff: For mailbox message data.
>>>
>>
>> Unless I am reading the DTS file completely wrong, I don't think the
>> above memory regions are in DDR as per the memory node.
>
> i'm not sure if understand correctly for your question; Hikey board
> has DDR 1GB at 0x0, but there have some memory regions are used for MCU.
>

Ah, I misread the address range, left the leading zero and assumed they
are not in DDR range. Sorry for the noise.

Regards,
Sudeep



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