642 lines
15 KiB
Plaintext
642 lines
15 KiB
Plaintext
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=============================================================================
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Freescale Frame Manager Device Bindings
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CONTENTS
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- FMan Node
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- FMan Port Node
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- FMan MURAM Node
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- FMan dTSEC/XGEC/mEMAC Node
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- FMan IEEE 1588 Node
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- FMan MDIO Node
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- Example
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=============================================================================
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FMan Node
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DESCRIPTION
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Due to the fact that the FMan is an aggregation of sub-engines (ports, MACs,
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etc.) the FMan node will have child nodes for each of them.
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PROPERTIES
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- compatible
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Usage: required
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Value type: <stringlist>
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Definition: Must include "fsl,fman"
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FMan version can be determined via FM_IP_REV_1 register in the
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FMan block. The offset is 0xc4 from the beginning of the
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Frame Processing Manager memory map (0xc3000 from the
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beginning of the FMan node).
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- cell-index
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Usage: required
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Value type: <u32>
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Definition: Specifies the index of the FMan unit.
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The cell-index value may be used by the SoC, to identify the
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FMan unit in the SoC memory map. In the table below,
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there's a description of the cell-index use in each SoC:
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- P1023:
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register[bit] FMan unit cell-index
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============================================================
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DEVDISR[1] 1 0
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- P2041, P3041, P4080 P5020, P5040:
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register[bit] FMan unit cell-index
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============================================================
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DCFG_DEVDISR2[6] 1 0
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DCFG_DEVDISR2[14] 2 1
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(Second FM available only in P4080 and P5040)
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- B4860, T1040, T2080, T4240:
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register[bit] FMan unit cell-index
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============================================================
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DCFG_CCSR_DEVDISR2[24] 1 0
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DCFG_CCSR_DEVDISR2[25] 2 1
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(Second FM available only in T4240)
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DEVDISR, DCFG_DEVDISR2 and DCFG_CCSR_DEVDISR2 are located in
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the specific SoC "Device Configuration/Pin Control" Memory
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Map.
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- reg
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Usage: required
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Value type: <prop-encoded-array>
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Definition: A standard property. Specifies the offset of the
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following configuration registers:
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- BMI configuration registers.
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- QMI configuration registers.
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- DMA configuration registers.
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- FPM configuration registers.
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- FMan controller configuration registers.
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- ranges
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Usage: required
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Value type: <prop-encoded-array>
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Definition: A standard property.
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- clocks
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Usage: required
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Value type: <prop-encoded-array>
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Definition: phandle for the fman input clock.
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- clock-names
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usage: required
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Value type: <stringlist>
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Definition: "fmanclk" for the fman input clock.
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- interrupts
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Usage: required
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Value type: <prop-encoded-array>
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Definition: A pair of IRQs are specified in this property.
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The first element is associated with the event interrupts and
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the second element is associated with the error interrupts.
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- fsl,qman-channel-range
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Usage: required
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Value type: <prop-encoded-array>
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Definition: Specifies the range of the available dedicated
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channels in the FMan. The first cell specifies the beginning
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of the range and the second cell specifies the number of
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channels.
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Further information available at:
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"Work Queue (WQ) Channel Assignments in the QMan" section
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in DPAA Reference Manual.
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- fsl,qman
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- fsl,bman
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Usage: required
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Definition: See soc/fsl/qman.txt and soc/fsl/bman.txt
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- fsl,erratum-a050385
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Usage: optional
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Value type: boolean
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Definition: A boolean property. Indicates the presence of the
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erratum A050385 which indicates that DMA transactions that are
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split can result in a FMan lock.
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=============================================================================
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FMan MURAM Node
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DESCRIPTION
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FMan Internal memory - shared between all the FMan modules.
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It contains data structures that are common and written to or read by
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the modules.
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FMan internal memory is split into the following parts:
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Packet buffering (Tx/Rx FIFOs)
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Frames internal context
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PROPERTIES
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- compatible
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Usage: required
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Value type: <stringlist>
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Definition: Must include "fsl,fman-muram"
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- ranges
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Usage: required
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Value type: <prop-encoded-array>
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Definition: A standard property.
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Specifies the multi-user memory offset and the size within
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the FMan.
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EXAMPLE
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muram@0 {
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compatible = "fsl,fman-muram";
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ranges = <0 0x000000 0x28000>;
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};
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=============================================================================
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FMan Port Node
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DESCRIPTION
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The Frame Manager (FMan) supports several types of hardware ports:
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Ethernet receiver (RX)
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Ethernet transmitter (TX)
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Offline/Host command (O/H)
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PROPERTIES
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- compatible
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Usage: required
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Value type: <stringlist>
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Definition: A standard property.
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Must include one of the following:
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- "fsl,fman-v2-port-oh" for FManV2 OH ports
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- "fsl,fman-v2-port-rx" for FManV2 RX ports
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- "fsl,fman-v2-port-tx" for FManV2 TX ports
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- "fsl,fman-v3-port-oh" for FManV3 OH ports
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- "fsl,fman-v3-port-rx" for FManV3 RX ports
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- "fsl,fman-v3-port-tx" for FManV3 TX ports
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- cell-index
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Usage: required
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Value type: <u32>
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Definition: Specifies the hardware port id.
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Each hardware port on the FMan has its own hardware PortID.
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Super set of all hardware Port IDs available at FMan Reference
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Manual under "FMan Hardware Ports in Freescale Devices" table.
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Each hardware port is assigned a 4KB, port-specific page in
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the FMan hardware port memory region (which is part of the
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FMan memory map). The first 4 KB in the FMan hardware ports
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memory region is used for what are called common registers.
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The subsequent 63 4KB pages are allocated to the hardware
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ports.
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The page of a specific port is determined by the cell-index.
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- reg
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Usage: required
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Value type: <prop-encoded-array>
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Definition: There is one reg region describing the port
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configuration registers.
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- fsl,fman-10g-port
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Usage: optional
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Value type: boolean
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Definition: The default port rate is 1G.
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If this property exists, the port is s 10G port.
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- fsl,fman-best-effort-port
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Usage: optional
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Value type: boolean
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Definition: Can be defined only if 10G-support is set.
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This property marks a best-effort 10G port (10G port that
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may not be capable of line rate).
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EXAMPLE
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port@a8000 {
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cell-index = <0x28>;
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compatible = "fsl,fman-v2-port-tx";
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reg = <0xa8000 0x1000>;
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};
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port@88000 {
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cell-index = <0x8>;
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compatible = "fsl,fman-v2-port-rx";
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reg = <0x88000 0x1000>;
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};
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port@81000 {
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cell-index = <0x1>;
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compatible = "fsl,fman-v2-port-oh";
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reg = <0x81000 0x1000>;
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};
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=============================================================================
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FMan dTSEC/XGEC/mEMAC Node
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DESCRIPTION
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mEMAC/dTSEC/XGEC are the Ethernet network interfaces
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PROPERTIES
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- compatible
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Usage: required
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Value type: <stringlist>
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Definition: A standard property.
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Must include one of the following:
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- "fsl,fman-dtsec" for dTSEC MAC
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- "fsl,fman-xgec" for XGEC MAC
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- "fsl,fman-memac" for mEMAC MAC
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- cell-index
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Usage: required
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Value type: <u32>
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Definition: Specifies the MAC id.
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The cell-index value may be used by the FMan or the SoC, to
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identify the MAC unit in the FMan (or SoC) memory map.
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In the tables below there's a description of the cell-index
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use, there are two tables, one describes the use of cell-index
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by the FMan, the second describes the use by the SoC:
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1. FMan Registers
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FManV2:
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register[bit] MAC cell-index
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============================================================
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FM_EPI[16] XGEC 8
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FM_EPI[16+n] dTSECn n-1
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FM_NPI[11+n] dTSECn n-1
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n = 1,..,5
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FManV3:
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register[bit] MAC cell-index
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============================================================
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FM_EPI[16+n] mEMACn n-1
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FM_EPI[25] mEMAC10 9
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FM_NPI[11+n] mEMACn n-1
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FM_NPI[10] mEMAC10 9
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FM_NPI[11] mEMAC9 8
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n = 1,..8
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FM_EPI and FM_NPI are located in the FMan memory map.
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2. SoC registers:
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- P2041, P3041, P4080 P5020, P5040:
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register[bit] FMan MAC cell
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Unit index
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============================================================
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DCFG_DEVDISR2[7] 1 XGEC 8
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DCFG_DEVDISR2[7+n] 1 dTSECn n-1
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DCFG_DEVDISR2[15] 2 XGEC 8
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DCFG_DEVDISR2[15+n] 2 dTSECn n-1
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n = 1,..5
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- T1040, T2080, T4240, B4860:
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register[bit] FMan MAC cell
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Unit index
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============================================================
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DCFG_CCSR_DEVDISR2[n-1] 1 mEMACn n-1
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DCFG_CCSR_DEVDISR2[11+n] 2 mEMACn n-1
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n = 1,..6,9,10
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EVDISR, DCFG_DEVDISR2 and DCFG_CCSR_DEVDISR2 are located in
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the specific SoC "Device Configuration/Pin Control" Memory
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Map.
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- reg
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Usage: required
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Value type: <prop-encoded-array>
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Definition: A standard property.
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- fsl,fman-ports
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Usage: required
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Value type: <prop-encoded-array>
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Definition: An array of two phandles - the first references is
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the FMan RX port and the second is the TX port used by this
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MAC.
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- ptp-timer
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Usage required
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Value type: <phandle>
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Definition: A phandle for 1EEE1588 timer.
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- pcsphy-handle
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Usage required for "fsl,fman-memac" MACs
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Value type: <phandle>
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Definition: A phandle for pcsphy.
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- tbi-handle
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Usage required for "fsl,fman-dtsec" MACs
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Value type: <phandle>
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Definition: A phandle for tbiphy.
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EXAMPLE
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fman1_tx28: port@a8000 {
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cell-index = <0x28>;
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compatible = "fsl,fman-v2-port-tx";
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reg = <0xa8000 0x1000>;
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};
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fman1_rx8: port@88000 {
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cell-index = <0x8>;
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compatible = "fsl,fman-v2-port-rx";
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reg = <0x88000 0x1000>;
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};
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ptp-timer: ptp_timer@fe000 {
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compatible = "fsl,fman-ptp-timer";
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reg = <0xfe000 0x1000>;
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};
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ethernet@e0000 {
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compatible = "fsl,fman-dtsec";
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cell-index = <0>;
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reg = <0xe0000 0x1000>;
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fsl,fman-ports = <&fman1_rx8 &fman1_tx28>;
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ptp-timer = <&ptp-timer>;
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tbi-handle = <&tbi0>;
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};
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============================================================================
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FMan IEEE 1588 Node
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Refer to Documentation/devicetree/bindings/ptp/ptp-qoriq.txt
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=============================================================================
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FMan MDIO Node
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DESCRIPTION
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The MDIO is a bus to which the PHY devices are connected.
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PROPERTIES
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- compatible
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Usage: required
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Value type: <stringlist>
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Definition: A standard property.
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Must include "fsl,fman-mdio" for 1 Gb/s MDIO from FMan v2.
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Must include "fsl,fman-xmdio" for 10 Gb/s MDIO from FMan v2.
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Must include "fsl,fman-memac-mdio" for 1/10 Gb/s MDIO from
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FMan v3.
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- reg
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Usage: required
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Value type: <prop-encoded-array>
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Definition: A standard property.
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- bus-frequency
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Usage: optional
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|
|
Value type: <u32>
|
||
|
|
Definition: Specifies the external MDIO bus clock speed to
|
||
|
|
be used, if different from the standard 2.5 MHz.
|
||
|
|
This may be due to the standard speed being unsupported (e.g.
|
||
|
|
due to a hardware problem), or to advertise that all relevant
|
||
|
|
components in the system support a faster speed.
|
||
|
|
|
||
|
|
- interrupts
|
||
|
|
Usage: required for external MDIO
|
||
|
|
Value type: <prop-encoded-array>
|
||
|
|
Definition: Event interrupt of external MDIO controller.
|
||
|
|
|
||
|
|
- fsl,fman-internal-mdio
|
||
|
|
Usage: required for internal MDIO
|
||
|
|
Value type: boolean
|
||
|
|
Definition: Fman has internal MDIO for internal PCS(Physical
|
||
|
|
Coding Sublayer) PHYs and external MDIO for external PHYs.
|
||
|
|
The settings and programming routines for internal/external
|
||
|
|
MDIO are different. Must be included for internal MDIO.
|
||
|
|
|
||
|
|
For internal PHY device on internal mdio bus, a PHY node should be created.
|
||
|
|
See the definition of the PHY node in booting-without-of.txt for an
|
||
|
|
example of how to define a PHY (Internal PHY has no interrupt line).
|
||
|
|
- For "fsl,fman-mdio" compatible internal mdio bus, the PHY is TBI PHY.
|
||
|
|
- For "fsl,fman-memac-mdio" compatible internal mdio bus, the PHY is PCS PHY,
|
||
|
|
PCS PHY addr must be '0'.
|
||
|
|
|
||
|
|
EXAMPLE
|
||
|
|
|
||
|
|
Example for FMan v2 external MDIO:
|
||
|
|
|
||
|
|
mdio@f1000 {
|
||
|
|
compatible = "fsl,fman-xmdio";
|
||
|
|
reg = <0xf1000 0x1000>;
|
||
|
|
interrupts = <101 2 0 0>;
|
||
|
|
};
|
||
|
|
|
||
|
|
Example for FMan v2 internal MDIO:
|
||
|
|
|
||
|
|
mdio@e3120 {
|
||
|
|
compatible = "fsl,fman-mdio";
|
||
|
|
reg = <0xe3120 0xee0>;
|
||
|
|
fsl,fman-internal-mdio;
|
||
|
|
|
||
|
|
tbi1: tbi-phy@8 {
|
||
|
|
reg = <0x8>;
|
||
|
|
device_type = "tbi-phy";
|
||
|
|
};
|
||
|
|
};
|
||
|
|
|
||
|
|
Example for FMan v3 internal MDIO:
|
||
|
|
|
||
|
|
mdio@f1000 {
|
||
|
|
compatible = "fsl,fman-memac-mdio";
|
||
|
|
reg = <0xf1000 0x1000>;
|
||
|
|
fsl,fman-internal-mdio;
|
||
|
|
|
||
|
|
pcsphy6: ethernet-phy@0 {
|
||
|
|
reg = <0x0>;
|
||
|
|
};
|
||
|
|
};
|
||
|
|
|
||
|
|
=============================================================================
|
||
|
|
Example
|
||
|
|
|
||
|
|
fman@400000 {
|
||
|
|
#address-cells = <1>;
|
||
|
|
#size-cells = <1>;
|
||
|
|
cell-index = <1>;
|
||
|
|
compatible = "fsl,fman"
|
||
|
|
ranges = <0 0x400000 0x100000>;
|
||
|
|
reg = <0x400000 0x100000>;
|
||
|
|
clocks = <&fman_clk>;
|
||
|
|
clock-names = "fmanclk";
|
||
|
|
interrupts = <
|
||
|
|
96 2 0 0
|
||
|
|
16 2 1 1>;
|
||
|
|
fsl,qman-channel-range = <0x40 0xc>;
|
||
|
|
|
||
|
|
muram@0 {
|
||
|
|
compatible = "fsl,fman-muram";
|
||
|
|
reg = <0x0 0x28000>;
|
||
|
|
};
|
||
|
|
|
||
|
|
port@81000 {
|
||
|
|
cell-index = <1>;
|
||
|
|
compatible = "fsl,fman-v2-port-oh";
|
||
|
|
reg = <0x81000 0x1000>;
|
||
|
|
};
|
||
|
|
|
||
|
|
port@82000 {
|
||
|
|
cell-index = <2>;
|
||
|
|
compatible = "fsl,fman-v2-port-oh";
|
||
|
|
reg = <0x82000 0x1000>;
|
||
|
|
};
|
||
|
|
|
||
|
|
port@83000 {
|
||
|
|
cell-index = <3>;
|
||
|
|
compatible = "fsl,fman-v2-port-oh";
|
||
|
|
reg = <0x83000 0x1000>;
|
||
|
|
};
|
||
|
|
|
||
|
|
port@84000 {
|
||
|
|
cell-index = <4>;
|
||
|
|
compatible = "fsl,fman-v2-port-oh";
|
||
|
|
reg = <0x84000 0x1000>;
|
||
|
|
};
|
||
|
|
|
||
|
|
port@85000 {
|
||
|
|
cell-index = <5>;
|
||
|
|
compatible = "fsl,fman-v2-port-oh";
|
||
|
|
reg = <0x85000 0x1000>;
|
||
|
|
};
|
||
|
|
|
||
|
|
port@86000 {
|
||
|
|
cell-index = <6>;
|
||
|
|
compatible = "fsl,fman-v2-port-oh";
|
||
|
|
reg = <0x86000 0x1000>;
|
||
|
|
};
|
||
|
|
|
||
|
|
fman1_rx_0x8: port@88000 {
|
||
|
|
cell-index = <0x8>;
|
||
|
|
compatible = "fsl,fman-v2-port-rx";
|
||
|
|
reg = <0x88000 0x1000>;
|
||
|
|
};
|
||
|
|
|
||
|
|
fman1_rx_0x9: port@89000 {
|
||
|
|
cell-index = <0x9>;
|
||
|
|
compatible = "fsl,fman-v2-port-rx";
|
||
|
|
reg = <0x89000 0x1000>;
|
||
|
|
};
|
||
|
|
|
||
|
|
fman1_rx_0xa: port@8a000 {
|
||
|
|
cell-index = <0xa>;
|
||
|
|
compatible = "fsl,fman-v2-port-rx";
|
||
|
|
reg = <0x8a000 0x1000>;
|
||
|
|
};
|
||
|
|
|
||
|
|
fman1_rx_0xb: port@8b000 {
|
||
|
|
cell-index = <0xb>;
|
||
|
|
compatible = "fsl,fman-v2-port-rx";
|
||
|
|
reg = <0x8b000 0x1000>;
|
||
|
|
};
|
||
|
|
|
||
|
|
fman1_rx_0xc: port@8c000 {
|
||
|
|
cell-index = <0xc>;
|
||
|
|
compatible = "fsl,fman-v2-port-rx";
|
||
|
|
reg = <0x8c000 0x1000>;
|
||
|
|
};
|
||
|
|
|
||
|
|
fman1_rx_0x10: port@90000 {
|
||
|
|
cell-index = <0x10>;
|
||
|
|
compatible = "fsl,fman-v2-port-rx";
|
||
|
|
reg = <0x90000 0x1000>;
|
||
|
|
};
|
||
|
|
|
||
|
|
fman1_tx_0x28: port@a8000 {
|
||
|
|
cell-index = <0x28>;
|
||
|
|
compatible = "fsl,fman-v2-port-tx";
|
||
|
|
reg = <0xa8000 0x1000>;
|
||
|
|
};
|
||
|
|
|
||
|
|
fman1_tx_0x29: port@a9000 {
|
||
|
|
cell-index = <0x29>;
|
||
|
|
compatible = "fsl,fman-v2-port-tx";
|
||
|
|
reg = <0xa9000 0x1000>;
|
||
|
|
};
|
||
|
|
|
||
|
|
fman1_tx_0x2a: port@aa000 {
|
||
|
|
cell-index = <0x2a>;
|
||
|
|
compatible = "fsl,fman-v2-port-tx";
|
||
|
|
reg = <0xaa000 0x1000>;
|
||
|
|
};
|
||
|
|
|
||
|
|
fman1_tx_0x2b: port@ab000 {
|
||
|
|
cell-index = <0x2b>;
|
||
|
|
compatible = "fsl,fman-v2-port-tx";
|
||
|
|
reg = <0xab000 0x1000>;
|
||
|
|
};
|
||
|
|
|
||
|
|
fman1_tx_0x2c: port@ac0000 {
|
||
|
|
cell-index = <0x2c>;
|
||
|
|
compatible = "fsl,fman-v2-port-tx";
|
||
|
|
reg = <0xac000 0x1000>;
|
||
|
|
};
|
||
|
|
|
||
|
|
fman1_tx_0x30: port@b0000 {
|
||
|
|
cell-index = <0x30>;
|
||
|
|
compatible = "fsl,fman-v2-port-tx";
|
||
|
|
reg = <0xb0000 0x1000>;
|
||
|
|
};
|
||
|
|
|
||
|
|
ethernet@e0000 {
|
||
|
|
compatible = "fsl,fman-dtsec";
|
||
|
|
cell-index = <0>;
|
||
|
|
reg = <0xe0000 0x1000>;
|
||
|
|
fsl,fman-ports = <&fman1_rx_0x8 &fman1_tx_0x28>;
|
||
|
|
tbi-handle = <&tbi5>;
|
||
|
|
};
|
||
|
|
|
||
|
|
ethernet@e2000 {
|
||
|
|
compatible = "fsl,fman-dtsec";
|
||
|
|
cell-index = <1>;
|
||
|
|
reg = <0xe2000 0x1000>;
|
||
|
|
fsl,fman-ports = <&fman1_rx_0x9 &fman1_tx_0x29>;
|
||
|
|
tbi-handle = <&tbi6>;
|
||
|
|
};
|
||
|
|
|
||
|
|
ethernet@e4000 {
|
||
|
|
compatible = "fsl,fman-dtsec";
|
||
|
|
cell-index = <2>;
|
||
|
|
reg = <0xe4000 0x1000>;
|
||
|
|
fsl,fman-ports = <&fman1_rx_0xa &fman1_tx_0x2a>;
|
||
|
|
tbi-handle = <&tbi7>;
|
||
|
|
};
|
||
|
|
|
||
|
|
ethernet@e6000 {
|
||
|
|
compatible = "fsl,fman-dtsec";
|
||
|
|
cell-index = <3>;
|
||
|
|
reg = <0xe6000 0x1000>;
|
||
|
|
fsl,fman-ports = <&fman1_rx_0xb &fman1_tx_0x2b>;
|
||
|
|
tbi-handle = <&tbi8>;
|
||
|
|
};
|
||
|
|
|
||
|
|
ethernet@e8000 {
|
||
|
|
compatible = "fsl,fman-dtsec";
|
||
|
|
cell-index = <4>;
|
||
|
|
reg = <0xf0000 0x1000>;
|
||
|
|
fsl,fman-ports = <&fman1_rx_0xc &fman1_tx_0x2c>;
|
||
|
|
tbi-handle = <&tbi9>;
|
||
|
|
|
||
|
|
ethernet@f0000 {
|
||
|
|
cell-index = <8>;
|
||
|
|
compatible = "fsl,fman-xgec";
|
||
|
|
reg = <0xf0000 0x1000>;
|
||
|
|
fsl,fman-ports = <&fman1_rx_0x10 &fman1_tx_0x30>;
|
||
|
|
};
|
||
|
|
|
||
|
|
ptp-timer@fe000 {
|
||
|
|
compatible = "fsl,fman-ptp-timer";
|
||
|
|
reg = <0xfe000 0x1000>;
|
||
|
|
};
|
||
|
|
|
||
|
|
mdio@f1000 {
|
||
|
|
compatible = "fsl,fman-xmdio";
|
||
|
|
reg = <0xf1000 0x1000>;
|
||
|
|
interrupts = <101 2 0 0>;
|
||
|
|
};
|
||
|
|
};
|