cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
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marvell-orion-net.txt (2872B)


      1Marvell Orion/Discovery ethernet controller
      2=============================================
      3
      4The Marvell Discovery ethernet controller can be found on Marvell Orion SoCs
      5(Kirkwood, Dove, Orion5x, and Discovery Innovation) and as part of Marvell
      6Discovery system controller chips (mv64[345]60).
      7
      8The Discovery ethernet controller is described with two levels of nodes. The
      9first level describes the ethernet controller itself and the second level
     10describes up to 3 ethernet port nodes within that controller. The reason for
     11the multiple levels is that the port registers are interleaved within a single
     12set of controller registers. Each port node describes port-specific properties.
     13
     14Note: The above separation is only true for Discovery system controllers.
     15For Orion SoCs we stick to the separation, although there each controller has
     16only one port associated. Multiple ports are implemented as multiple single-port
     17controllers. As Kirkwood has some issues with proper initialization after reset,
     18an extra compatible string is added for it.
     19
     20* Ethernet controller node
     21
     22Required controller properties:
     23 - #address-cells: shall be 1.
     24 - #size-cells: shall be 0.
     25 - compatible: shall be one of "marvell,orion-eth", "marvell,kirkwood-eth".
     26 - reg: address and length of the controller registers.
     27
     28Optional controller properties:
     29 - clocks: phandle reference to the controller clock.
     30 - marvell,tx-checksum-limit: max tx packet size for hardware checksum.
     31
     32* Ethernet port node
     33
     34Required port properties:
     35 - compatible: shall be one of "marvell,orion-eth-port",
     36      "marvell,kirkwood-eth-port".
     37 - reg: port number relative to ethernet controller, shall be 0, 1, or 2.
     38 - interrupts: port interrupt.
     39 - local-mac-address: See ethernet.txt file in the same directory.
     40
     41Optional port properties:
     42 - marvell,tx-queue-size: size of the transmit ring buffer.
     43 - marvell,tx-sram-addr: address of transmit descriptor buffer located in SRAM.
     44 - marvell,tx-sram-size: size of transmit descriptor buffer located in SRAM.
     45 - marvell,rx-queue-size: size of the receive ring buffer.
     46 - marvell,rx-sram-addr: address of receive descriptor buffer located in SRAM.
     47 - marvell,rx-sram-size: size of receive descriptor buffer located in SRAM.
     48
     49and
     50
     51 - phy-handle: See ethernet.txt file in the same directory.
     52 - phy-mode: See ethernet.txt file in the same directory.
     53
     54or
     55
     56 - speed: port speed if no PHY connected.
     57 - duplex: port mode if no PHY connected.
     58
     59* Node example:
     60
     61mdio-bus {
     62	...
     63	ethphy: ethernet-phy@8 {
     64		...
     65	};
     66};
     67
     68eth: ethernet-controller@72000 {
     69	compatible = "marvell,orion-eth";
     70	#address-cells = <1>;
     71	#size-cells = <0>;
     72	reg = <0x72000 0x2000>;
     73	clocks = <&gate_clk 2>;
     74	marvell,tx-checksum-limit = <1600>;
     75
     76	ethernet@0 {
     77		compatible = "marvell,orion-eth-port";
     78		reg = <0>;
     79		interrupts = <29>;
     80		phy-handle = <&ethphy>;
     81		local-mac-address = [00 00 00 00 00 00];
     82	};
     83};