diff options
Diffstat (limited to 'arch/powerpc/boot/dts/p2041rdb-usdpaa-shared-interfaces.dts')
-rw-r--r-- | arch/powerpc/boot/dts/p2041rdb-usdpaa-shared-interfaces.dts | 139 |
1 files changed, 139 insertions, 0 deletions
diff --git a/arch/powerpc/boot/dts/p2041rdb-usdpaa-shared-interfaces.dts b/arch/powerpc/boot/dts/p2041rdb-usdpaa-shared-interfaces.dts new file mode 100644 index 0000000..eb65344 --- /dev/null +++ b/arch/powerpc/boot/dts/p2041rdb-usdpaa-shared-interfaces.dts @@ -0,0 +1,139 @@ +/* + * P2041RDB Device Tree Source + * + * Copyright 2011-2012 Freescale Semiconductor Inc. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are met: + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * * Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * * Neither the name of Freescale Semiconductor nor the + * names of its contributors may be used to endorse or promote products + * derived from this software without specific prior written permission. + * + * + * ALTERNATIVELY, this software may be distributed under the terms of the + * GNU General Public License ("GPL") as published by the Free Software + * Foundation, either version 2 of that License or (at your option) any + * later version. + * + * THIS SOFTWARE IS PROVIDED BY Freescale Semiconductor ``AS IS'' AND ANY + * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED + * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE + * DISCLAIMED. IN NO EVENT SHALL Freescale Semiconductor BE LIABLE FOR ANY + * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES + * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; + * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND + * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS + * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +/include/ "p2041rdb.dts" + +/ { + /* NB: "bpool-ethernet-seeds" is not set to avoid buffer seeding, + * because apps seed these pools with buffers allocated at + * run-time. + * HOWEVER, the kernel driver requires the buffer-size so + * "fsl,bpool-ethernet-cfg" is set. It also mis-interprets + * things if the base-address is zero (hence the 0xdeadbeef + * values). + */ + bp7: buffer-pool@7 { + compatible = "fsl,p2041-bpool", "fsl,bpool"; + fsl,bpid = <7>; + fsl,bpool-ethernet-cfg = <0 0 0 192 0 0xdeadbeef>; + fsl,bpool-thresholds = <0x400 0xc00 0x0 0x0>; + }; + bp8: buffer-pool@8 { + compatible = "fsl,p2041-bpool", "fsl,bpool"; + fsl,bpid = <8>; + fsl,bpool-ethernet-cfg = <0 0 0 576 0 0xabbaf00d>; + fsl,bpool-thresholds = <0x100 0x300 0x0 0x0>; + }; + bp9: buffer-pool@9 { + compatible = "fsl,p2041-bpool", "fsl,bpool"; + fsl,bpid = <9>; + fsl,bpool-ethernet-cfg = <0 0 0 1728 0 0xfeedabba>; + fsl,bpool-thresholds = <0x100 0x300 0x0 0x0>; + }; + bp16: buffer-pool@16 { + compatible = "fsl,p2041-bpool", "fsl,bpool"; + fsl,bpid = <16>; + fsl,bpool-ethernet-cfg = <0 2048 0 1728 0 0>; + fsl,bpool-thresholds = <0x100 0x300 0x0 0x0>; + }; + bp17: buffer-pool@17 { + compatible = "fsl,p2041-bpool", "fsl,bpool"; + fsl,bpid = <17>; + fsl,bpool-ethernet-cfg = <0 2048 0 1728 0 0>; + fsl,bpool-thresholds = <0x100 0x300 0x0 0x0>; + }; + + fsl,dpaa { + ethernet@0 { + compatible = "fsl,p2041-dpa-ethernet-init", "fsl,dpa-ethernet-init"; + fsl,bman-buffer-pools = <&bp7 &bp8 &bp9>; + fsl,qman-frame-queues-rx = <0x50 1 0x51 1>; + fsl,qman-frame-queues-tx = <0x70 1 0x71 1>; + }; + ethernet@1 { + compatible = "fsl,p2041-dpa-ethernet-init", "fsl,dpa-ethernet-init"; + fsl,bman-buffer-pools = <&bp7 &bp8 &bp9>; + fsl,qman-frame-queues-rx = <0x52 1 0x53 1>; + fsl,qman-frame-queues-tx = <0x72 1 0x73 1>; + }; + ethernet@2 { + compatible = "fsl,p2041-dpa-ethernet-init", "fsl,dpa-ethernet-init"; + fsl,bman-buffer-pools = <&bp7 &bp8 &bp9>; + fsl,qman-frame-queues-rx = <0x54 1 0x55 1>; + fsl,qman-frame-queues-tx = <0x74 1 0x75 1>; + }; + ethernet@3 { + compatible = "fsl,p2041-dpa-ethernet-init", "fsl,dpa-ethernet-init"; + fsl,bman-buffer-pools = <&bp7 &bp8 &bp9>; + fsl,qman-frame-queues-rx = <0x56 1 0x57 1>; + fsl,qman-frame-queues-tx = <0x76 1 0x77 1>; + }; + ethernet@4 { + compatible = "fsl,p2041-dpa-ethernet-init", "fsl,dpa-ethernet-init"; + fsl,bman-buffer-pools = <&bp7 &bp8 &bp9>; + fsl,qman-frame-queues-rx = <0x58 1 0x59 1>; + fsl,qman-frame-queues-tx = <0x78 1 0x79 1>; + }; + /* ethernet@5 declared as shared MAC. USDPAA will seed buffers to + * this buffer pool. The ethernet driver will initialize the RX default, + * RX error, TX error, TX confirm and 8 TX Frame queues. On receiving frame + * at this interface, the ethernet driver will do kmap_atomic/kunmap_atomic + * for that frame. */ + ethernet@5 { + compatible = "fsl,p2041-dpa-ethernet-shared", "fsl,dpa-ethernet-shared"; + fsl,bman-buffer-pools = <&bp16>; + fsl,qman-frame-queues-rx = <0x5a 1 0x5b 1 0x2000 3>; + fsl,qman-frame-queues-tx = <0 1 0 1 0x3000 8>; + }; + /* ethernet@6 declared as MAC-less interface with no "fsl,fman-mac" property. + * USDPAA will seed buffers to this buffer pool and initialize 8 TX Frame + * queues. The ethernet driver will initialize 8 RX default Frame queues. + * On receiving frame at this interface, the ethernet driver will do + * kmap_atomic/kunmap_atomic for that frame. */ + ethernet@6 { + compatible = "fsl,p2041-dpa-ethernet-macless", "fsl,dpa-ethernet-macless"; + fsl,bman-buffer-pools = <&bp17>; + fsl,qman-frame-queues-rx = <4000 8>; + fsl,qman-frame-queues-tx = <4008 8>; + local-mac-address = [00 11 22 33 44 55]; + }; + dpa-fman0-oh@1 { + compatible = "fsl,dpa-oh"; + /* Define frame queues for the OH port*/ + /* <OH Rx error, OH Rx default> */ + fsl,qman-frame-queues-oh = <0x68 1 0x69 1>; + fsl,fman-oh-port = <&fman0_oh1>; + }; + }; +}; |