[PATCH] powerpc: introduce basic support for the Freescale P1022DS reference board
Kim Phillips
kim.phillips at freescale.com
Wed Jun 30 09:55:44 EST 2010
On Tue, 29 Jun 2010 17:39:17 -0600
"Tabi Timur-B04825" <B04825 at freescale.com> wrote:
> 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.
looks like it should be easily bisected, esp. since
mpc85xx_smp_defconfig has NO_HZ=y.
> >> + 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?
eh? you submitted the patch; I'm just calling out the
foreign/undocumented matter in it.
> >> + 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.
delete them?
Kim
More information about the Linuxppc-dev
mailing list