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Diffstat (limited to 'Documentation/powerpc/dts-bindings/4xx/ppc440spe-adma.txt')
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1 files changed, 0 insertions, 93 deletions
diff --git a/Documentation/powerpc/dts-bindings/4xx/ppc440spe-adma.txt b/Documentation/powerpc/dts-bindings/4xx/ppc440spe-adma.txt deleted file mode 100644 index 515ebcf..0000000 --- a/Documentation/powerpc/dts-bindings/4xx/ppc440spe-adma.txt +++ /dev/null @@ -1,93 +0,0 @@ -PPC440SPe DMA/XOR (DMA Controller and XOR Accelerator) - -Device nodes needed for operation of the ppc440spe-adma driver -are specified hereby. These are I2O/DMA, DMA and XOR nodes -for DMA engines and Memory Queue Module node. The latter is used -by ADMA driver for configuration of RAID-6 H/W capabilities of -the PPC440SPe. In addition to the nodes and properties described -below, the ranges property of PLB node must specify ranges for -DMA devices. - - i) The I2O node - - Required properties: - - - compatible : "ibm,i2o-440spe"; - - reg : <registers mapping> - - dcr-reg : <DCR registers range> - - Example: - - I2O: i2o@400100000 { - compatible = "ibm,i2o-440spe"; - reg = <0x00000004 0x00100000 0x100>; - dcr-reg = <0x060 0x020>; - }; - - - ii) The DMA node - - Required properties: - - - compatible : "ibm,dma-440spe"; - - cell-index : 1 cell, hardware index of the DMA engine - (typically 0x0 and 0x1 for DMA0 and DMA1) - - reg : <registers mapping> - - dcr-reg : <DCR registers range> - - interrupts : <interrupt mapping for DMA0/1 interrupts sources: - 2 sources: DMAx CS FIFO Needs Service IRQ (on UIC0) - and DMA Error IRQ (on UIC1). The latter is common - for both DMA engines>. - - interrupt-parent : needed for interrupt mapping - - Example: - - DMA0: dma0@400100100 { - compatible = "ibm,dma-440spe"; - cell-index = <0>; - reg = <0x00000004 0x00100100 0x100>; - dcr-reg = <0x060 0x020>; - interrupt-parent = <&DMA0>; - interrupts = <0 1>; - #interrupt-cells = <1>; - #address-cells = <0>; - #size-cells = <0>; - interrupt-map = < - 0 &UIC0 0x14 4 - 1 &UIC1 0x16 4>; - }; - - - iii) XOR Accelerator node - - Required properties: - - - compatible : "amcc,xor-accelerator"; - - reg : <registers mapping> - - interrupts : <interrupt mapping for XOR interrupt source> - - interrupt-parent : for interrupt mapping - - Example: - - xor-accel@400200000 { - compatible = "amcc,xor-accelerator"; - reg = <0x00000004 0x00200000 0x400>; - interrupt-parent = <&UIC1>; - interrupts = <0x1f 4>; - }; - - - iv) Memory Queue Module node - - Required properties: - - - compatible : "ibm,mq-440spe"; - - dcr-reg : <DCR registers range> - - Example: - - MQ0: mq { - compatible = "ibm,mq-440spe"; - dcr-reg = <0x040 0x020>; - }; - |
