From 1723d90915d4689fa2e8cd4151d45ea38c96cb99 Mon Sep 17 00:00:00 2001 From: Xuelin Shi Date: Wed, 21 Nov 2012 17:01:20 +0800 Subject: powerpc/dma/raidengine: add raidengine device The RaidEngine is a new Freescale hardware that used for parity computation offloading in RAID5/6. This patch adds the device node in device tree and related binding documentation. Signed-off-by: Harninder Rai Signed-off-by: Naveen Burmi Signed-off-by: Xuelin Shi Signed-off-by: Kumar Gala --- arch/powerpc/boot/dts/fsl/p5020si-post.dtsi | 1 + arch/powerpc/boot/dts/fsl/p5020si-pre.dtsi | 6 ++ arch/powerpc/boot/dts/fsl/qoriq-raid1.0-0.dtsi | 85 ++++++++++++++++++++++++++ 3 files changed, 92 insertions(+) create mode 100644 arch/powerpc/boot/dts/fsl/qoriq-raid1.0-0.dtsi (limited to 'arch/powerpc/boot') diff --git a/arch/powerpc/boot/dts/fsl/p5020si-post.dtsi b/arch/powerpc/boot/dts/fsl/p5020si-post.dtsi index 64b6abea846..5d7205b7bb0 100644 --- a/arch/powerpc/boot/dts/fsl/p5020si-post.dtsi +++ b/arch/powerpc/boot/dts/fsl/p5020si-post.dtsi @@ -354,4 +354,5 @@ /include/ "qoriq-sata2-0.dtsi" /include/ "qoriq-sata2-1.dtsi" /include/ "qoriq-sec4.2-0.dtsi" +/include/ "qoriq-raid1.0-0.dtsi" }; diff --git a/arch/powerpc/boot/dts/fsl/p5020si-pre.dtsi b/arch/powerpc/boot/dts/fsl/p5020si-pre.dtsi index 0a198b0a77e..8df47fc45ab 100644 --- a/arch/powerpc/boot/dts/fsl/p5020si-pre.dtsi +++ b/arch/powerpc/boot/dts/fsl/p5020si-pre.dtsi @@ -73,6 +73,12 @@ rtic_c = &rtic_c; rtic_d = &rtic_d; sec_mon = &sec_mon; + + raideng = &raideng; + raideng_jr0 = &raideng_jr0; + raideng_jr1 = &raideng_jr1; + raideng_jr2 = &raideng_jr2; + raideng_jr3 = &raideng_jr3; }; cpus { diff --git a/arch/powerpc/boot/dts/fsl/qoriq-raid1.0-0.dtsi b/arch/powerpc/boot/dts/fsl/qoriq-raid1.0-0.dtsi new file mode 100644 index 00000000000..8d2e8aa6cf8 --- /dev/null +++ b/arch/powerpc/boot/dts/fsl/qoriq-raid1.0-0.dtsi @@ -0,0 +1,85 @@ +/* + * QorIQ RAID 1.0 device tree stub [ controller @ offset 0x320000 ] + * + * Copyright 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. + */ + +raideng: raideng@320000 { + compatible = "fsl,raideng-v1.0"; + #address-cells = <1>; + #size-cells = <1>; + reg = <0x320000 0x10000>; + ranges = <0 0x320000 0x10000>; + + raideng_jq0@1000 { + compatible = "fsl,raideng-v1.0-job-queue"; + #address-cells = <1>; + #size-cells = <1>; + reg = <0x1000 0x1000>; + ranges = <0x0 0x1000 0x1000>; + + raideng_jr0: jr@0 { + compatible = "fsl,raideng-v1.0-job-ring", "fsl,raideng-v1.0-hp-ring"; + reg = <0x0 0x400>; + interrupts = <139 2 0 0>; + interrupt-parent = <&mpic>; + }; + + raideng_jr1: jr@400 { + compatible = "fsl,raideng-v1.0-job-ring", "fsl,raideng-v1.0-lp-ring"; + reg = <0x400 0x400>; + interrupts = <140 2 0 0>; + interrupt-parent = <&mpic>; + }; + }; + + raideng_jq1@2000 { + compatible = "fsl,raideng-v1.0-job-queue"; + #address-cells = <1>; + #size-cells = <1>; + reg = <0x2000 0x1000>; + ranges = <0x0 0x2000 0x1000>; + + raideng_jr2: jr@0 { + compatible = "fsl,raideng-v1.0-job-ring", "fsl,raideng-v1.0-hp-ring"; + reg = <0x0 0x400>; + interrupts = <141 2 0 0>; + interrupt-parent = <&mpic>; + }; + + raideng_jr3: jr@400 { + compatible = "fsl,raideng-v1.0-job-ring", "fsl,raideng-v1.0-lp-ring"; + reg = <0x400 0x400>; + interrupts = <142 2 0 0>; + interrupt-parent = <&mpic>; + }; + }; +}; -- cgit v1.2.3