P4080 device tree problems with fsl dpaa ...

[Robert Sciuk]

> -----Original Message-----
> From: glikely at secretlab.ca [mailto:glikely at secretlab.ca] On Behalf Of
> Grant Likely
> Sent: Friday, October 14, 2011 5:49 PM
> To: Robert Sciuk
> Cc: devicetree-discuss at lists.ozlabs.org
> Subject: Re: P4080 device tree problems with fsl dpaa ...
> 
> On Fri, Oct 14, 2011 at 3:26 PM, Robert Sciuk <robert.sciuk at exfo.com>
> wrote:
> > I've just joined the list, and I hope that this is not an
> inappropriate
> > question, but I'm looking for some direction with respect to device
> > trees, and the fsl, dpaa Ethernet drivers.
> >
> > I'm wondering if anyone has had any experience with the FreeScale
> DPAA
> > drivers for the 1g dtsec interface.  We are getting interfaces
> defined,
> > and the tx count increases, but we are not seeing packets on the
> "wire".
> 
> Hi Robert,
> 
> You should send your question to the linuxppc-dev at lists.ozlabs.org
> mailing list.  This is more of a powerpc device driver question than
> it is a device tree question, so you're more likely to get a helpful
> answer there.
> 
> g.
> 

Thanks Grant.  Will do.

Rob.



> 
> >
> > ...
> > [    0.911592] Freescale FM module (Oct 13 2011:14:41:07)
> > [    0.916745] cpu6/6: fsl_mac: FSL FMan MAC API based driver ()
> > [    0.923077] cpu6/6: fsl_mac: ffe4e0000.ethernet: FMan dTSEC
> version:
> > 0x08240101
> > [    0.930403] cpu6/6: fsl_mac: ffe4e0000.ethernet: FMan MAC address:
> > 00:a0:a9:be:ef:10
> > ...
> > [    1.015863] cpu6/6: fsl_dpa: FSL DPAA Ethernet driver ()
> > [    1.021446] cpu6/6: fsl_dpa: ethernet.23:
> > dpaa_eth.c:1684:dpa_bp_create() eth%d: Using private BM buffer pools
> > [    1.032263] cpu6/6: Using dynamic RX QM frame queues
> > [    1.037242] cpu6/6: Using dynamic TX QM frame queues
> > [    1.042263] cpu6/6: > WARNING (FM)
> > [/export2/rd2/dev/robsci1/Work/gold/wr4linux-
> layer/obj/hotwire1/hotwire1
> > /build/linux/drivers/n
> > et/dpa/NetCommSw/Peripherals/FM/fm.c:911 FmGetSetPortParams]:
> > [    1.059138] cpu6/6: FIFO size enlarged to 11008
> > [    1.063670] cpu6/6:
> > [    1.066672] cpu6/6: fsl_dpa: ethernet.23:
> > dpaa_eth.c:2327:dpaa_oh_probe() no OH port bindings on node
> > /fsl,dpaa/ethernet at 0
> > [    1.077806] cpu6/6: fsl_dpa: ethernet.24:
> > dpaa_eth.c:1684:dpa_bp_create() eth%d: Using private BM buffer pools
> > [    1.087826] cpu6/6: Using dynamic RX QM frame queues
> > [    1.092798] cpu6/6: Using dynamic TX QM frame queues
> > ...
> >
> > Our device tree defines the top level Ethernet as:
> > ethernet at 0 {
> >  compatible = "fsl,p4080?dpa?ethernet", "fsl,dpa?ethernet";
> >  fsl,qman?channel = <0x13>;
> >  fsl,fman?mac = <0x50>;
> > };
> >
> > And the mac and phys are defined as follows:
> >
> > ethernet at e0000 {
> >  cell?index = <0x0>;
> >  compatible = "fsl,p4080?fman?1g?mac", "fsl,fman?1g?mac";
> >  reg = <0xe0000 0x1000>;
> >  fsl,port?handles = <0x22 0x23>;
> >  tbi?handle = <0x24>;
> >  phy?handle = <0x25>;
> >  phy?connection?type = "sgmii";
> >  ptimer?handle = <0x26>;
> >  linux,phandle = <0x50>;
> > };
> > mdio at e1120 {
> >  #address?cells = <0x1>;
> >  #size?cells = <0x0>;
> >  compatible = "fsl,fman?mdio";
> >  reg = <0xe1120 0xee0>;
> >  interrupts = <0x64 0x1 0x0 0x0>;
> >  gpios = <0x27 0x0 0x0 0x27 0x1 0x0>;
> >  linux,phandle = <0x28>;
> >  tbi?phy at 8 {
> >  reg = <0x8>;
> >  device_type = "tbi?phy";
> >  linux,phandle = <0x24>;
> >  };
> >  phy0: ethernet?phy at 0 {
> >  device_type="ethernet?phy";
> >  compatible="broadcom,BCM5482";
> >  reg = <0>;
> >  linux,phandle = <0x25>;
> >  };
> > };
> >
> >
> > I have no idea what an OH binding is, what it might look like, and
> what
> > it entails, but I think that it might be a significant factor in our
> not
> > seeing a working interface.  Has anyone any experience with dpaa
> device
> > trees, and configuration?  Any pointers?  Any docs? Shots in the
> dark?
> >
> > Robert Sciuk
> > Senior Designer, R&D.
> > 905.738.3741 xt 22621
> >
> >
> > _______________________________________________
> > devicetree-discuss mailing list
> > devicetree-discuss at lists.ozlabs.org
> > https://lists.ozlabs.org/listinfo/devicetree-discuss
> >
> 
> 
> 
> --
> Grant Likely, B.Sc., P.Eng.
> Secret Lab Technologies Ltd.