<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 3.2//EN">
<HTML>
<HEAD>
<META HTTP-EQUIV="Content-Type" CONTENT="text/html; charset=iso-8859-1">
<META NAME="Generator" CONTENT="MS Exchange Server version 6.5.7654.12">
<TITLE>Re: [PATCH] powerpc: introduce basic support for the Freescale P1022DS reference board</TITLE>
</HEAD>
<BODY>
<!-- Converted from text/plain format -->
<P><FONT SIZE=2>Kim Phillips wrote:<BR>
> On Tue, 29 Jun 2010 16:34:34 -0500<BR>
> Timur Tabi<timur@freescale.com> wrote:<BR>
><BR>
>> Introduce basic support for the Freescale P1022DS reference board, based on the<BR>
>> Freescale BSP for this board.<BR>
>><BR>
>> Details: No DIU video or SSI audio support, no MMC/SD card support, 36-bit and<BR>
>> SWIOTLB support enabled, 36-bit DTS only, and CONFIG_NO_HZ disabled because it<BR>
>> causes performance problems on this kernel.<BR>
><BR>
> what kind of performance problems?<BR>
<BR>
See my post on linuxppc-dev about CONFIG_NO_HZ.<BR>
<BR>
>> + queue-group@0{<BR>
>> + #address-cells =<1>;<BR>
>> + #size-cells =<1>;<BR>
>> + reg =<0xB1000 0x1000>;<BR>
>> + fsl,rx-err-int-map =<0xAA>;<BR>
>> + fsl,tx-int-map =<0xAA>;<BR>
>> + interrupts =<35 2 36 2 40 2>;<BR>
>> + };<BR>
>> + queue-group@1{<BR>
>> + #address-cells =<1>;<BR>
>> + #size-cells =<1>;<BR>
>> + reg =<0xB5000 0x1000>;<BR>
>> + fsl,rx-err-int-map =<0x55>;<BR>
>> + fsl,tx-int-map =<0x55>;<BR>
>> + interrupts =<51 2 52 2 67 2>;<BR>
>> + };<BR>
><BR>
> these queue-group nodes, fsl,{r,t}x-* properties...<BR>
<BR>
I just copied this tree from the BSP. I have no idea what they should ok<BR>
like. Can you be more specific?<BR>
<BR>
>> + crypto@30000 {<BR>
><BR>
>> + fsl,multi-host-mode = "dual";<BR>
>> + fsl,channel-remap =<0x3>;<BR>
><BR>
> and the above two properties aren't supported by their respective<BR>
> drivers, nor are they listed in the dts bindings documentation.<BR>
<BR>
Then please tell me what these nodes should look like.<BR>
<BR>
<BR>
--<BR>
Timur Tabi<BR>
Linux kernel developer<BR>
</FONT>
</P>
</BODY>
</HTML>