[PATCH] powerpc: introduce basic support for the Freescale P1022DS reference board

Tabi Timur-B04825 B04825 at freescale.com
Wed Jun 30 09:39:17 EST 2010


Kim Phillips wrote:
> On Tue, 29 Jun 2010 16:34:34 -0500
> Timur Tabi<timur at freescale.com>  wrote:
>
>> Introduce basic support for the Freescale P1022DS reference board, based on the
>> Freescale BSP for this board.
>>
>> Details: No DIU video or SSI audio support, no MMC/SD card support, 36-bit and
>> SWIOTLB support enabled, 36-bit DTS only, and CONFIG_NO_HZ disabled because it
>> causes performance problems on this kernel.
>
> what kind of performance problems?

See my post on linuxppc-dev about CONFIG_NO_HZ.

>> +			queue-group at 0{
>> +				#address-cells =<1>;
>> +				#size-cells =<1>;
>> +				reg =<0xB1000 0x1000>;
>> +				fsl,rx-err-int-map =<0xAA>;
>> +				fsl,tx-int-map =<0xAA>;
>> +				interrupts =<35 2 36 2 40 2>;
>> +			};
>> +			queue-group at 1{
>> +				#address-cells =<1>;
>> +				#size-cells =<1>;
>> +				reg =<0xB5000 0x1000>;
>> +				fsl,rx-err-int-map =<0x55>;
>> +				fsl,tx-int-map =<0x55>;
>> +				interrupts =<51 2 52 2 67 2>;
>> +			};
>
> these queue-group nodes, fsl,{r,t}x-* properties...

I just copied this tree from the BSP.  I have no idea what they should ok 
like.  Can you be more specific?

>> +		crypto at 30000 {
>
>> +			fsl,multi-host-mode = "dual";
>> +			fsl,channel-remap =<0x3>;
>
> and the above two properties aren't supported by their respective
> drivers, nor are they listed in the dts bindings documentation.

Then please tell me what these nodes should look like.


-- 
Timur Tabi
Linux kernel developer
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.ozlabs.org/pipermail/linuxppc-dev/attachments/20100629/52597bec/attachment-0001.htm>


More information about the Linuxppc-dev mailing list