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Commit 1f69dcfd authored by Valentine Barshak's avatar Valentine Barshak Committed by Josh Boyer
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[POWERPC] 4xx: Add RGMII support for Sequoia 440EPx 



This adds RGMII support to Sequoia DTS and sets correct phy-mode
for EMACs. According to Sequoia datasheet, both ethernet ports
are connected to RGMII interface, while ZMII is used only for MDIO.

Signed-off-by: default avatarValentine Barshak <vbarshak@ru.mvista.com>
Signed-off-by: default avatarJosh Boyer <jwboyer@linux.vnet.ibm.com>
parent 4fa4d23f

arch/powerpc/boot/dts/sequoia.dts

+12 −2
Original line number Diff line number Diff line
@@ -241,6 +241,12 @@ 
				reg = <ef600d00 c>;

			};



			RGMII0: emac-rgmii@ef601000 {

				device_type = "rgmii-interface";

				compatible = "ibm,rgmii-440epx", "ibm,rgmii";

				reg = <ef601000 8>;

			};



			EMAC0: ethernet@ef600e00 {

				linux,network-index = <0>;

				device_type = "network";
@@ -261,10 +267,12 @@ 
				max-frame-size = <5dc>;

				rx-fifo-size = <1000>;

				tx-fifo-size = <800>;

				phy-mode = "rmii";

				phy-mode = "rgmii";

				phy-map = <00000000>;

				zmii-device = <&ZMII0>;

				zmii-channel = <0>;

				rgmii-device = <&RGMII0>;

				rgmii-channel = <0>;

			};



			EMAC1: ethernet@ef600f00 {
@@ -287,10 +295,12 @@ 
				max-frame-size = <5dc>;

				rx-fifo-size = <1000>;

				tx-fifo-size = <800>;

				phy-mode = "rmii";

				phy-mode = "rgmii";

				phy-map = <00000000>;

				zmii-device = <&ZMII0>;

				zmii-channel = <1>;

				rgmii-device = <&RGMII0>;

				rgmii-channel = <1>;

			};

		};

	};

arch/powerpc/platforms/44x/Kconfig

+1 −0
Original line number Diff line number Diff line
@@ -50,6 +50,7 @@ config 440EPX 
	select PPC_FPU

# Disabled until the new EMAC Driver is merged.

#	select IBM_NEW_EMAC_EMAC4

#	select IBM_NEW_EMAC_RGMII

#	select IBM_NEW_EMAC_ZMII



config 440GP