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mvebu: uDPU: switch default kernel and U-Boot PHY mode

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Certain SFP modules (most notably Nokia GPON ones) first check
connectivity on 1000base-x, and switch to 2500base-x afterwards. This
is considered a quirk so the phylink switches the interface to
2500base-x as well.

However, after power-cycling the uDPU device, network interface/SFP module
will not work correctly until the module is re-seated. This patch
resolves this issue by forcing the interface to be brought up in
2500base-x mode by default.

Signed-off-by: Jakov Petrina <jakov.petrina@sartura.hr>
Signed-off-by: Vladimir Vid <vladimir.vid@sartura.hr>
Cc: Luka Perkov <luka.perkov@sartura.hr>
This commit is contained in:
Jakov Petrina 2020-04-24 14:38:58 +02:00 committed by Luka Perkov
parent 02656caa7b
commit b1cfbff0a7
3 changed files with 83 additions and 0 deletions
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43
package/boot/uboot-mvebu/patches/220-arm-dts-uDPU-switch-default-PHY-speed-to-3.125Gbit.patch Normal file
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@ -0,0 +1,43 @@
--- a/arch/arm/dts/armada-3720-uDPU.dts
+++ b/arch/arm/dts/armada-3720-uDPU.dts
@@ -109,11 +109,11 @@
&comphy {
phy0 {
phy-type = <PHY_TYPE_SGMII1>;
- phy-speed = <PHY_SPEED_1_25G>;
+ phy-speed = <PHY_SPEED_3_125G>;
};
phy1 {
phy-type = <PHY_TYPE_SGMII0>;
- phy-speed = <PHY_SPEED_1_25G>;
+ phy-speed = <PHY_SPEED_3_125G>;
};
phy2 {
@@ -125,22 +125,16 @@
&eth0 {
pinctrl-0 = <&pcie_pins>;
status = "okay";
- phy-mode = "sgmii";
+ phy-mode = "sgmii-2500";
+ managed = "in-band-status";
phy = <&ethphy0>;
- fixed-link {
- speed = <1000>;
- full-duplex;
- };
};
&eth1 {
status = "okay";
- phy-mode = "sgmii";
+ phy-mode = "sgmii-2500";
+ managed = "in-band-status";
phy = <&ethphy1>;
- fixed-link {
- speed = <1000>;
- full-duplex;
- };
};
&i2c0 {

20
target/linux/mvebu/patches-4.19/550-arm64-dts-uDPU-switch-PHY-operation-mode-to-2500base.patch Normal file
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@ -0,0 +1,20 @@
--- a/arch/arm64/boot/dts/marvell/armada-3720-uDPU.dts
+++ b/arch/arm64/boot/dts/marvell/armada-3720-uDPU.dts
@@ -145,7 +145,7 @@
&eth0 {
status = "okay";
- phy-mode = "sgmii";
+ phy-mode = "2500base-x";
managed = "in-band-status";
phys = <&comphy1 0>;
sfp = <&sfp_eth0>;
@@ -153,7 +153,7 @@
&eth1 {
status = "okay";
- phy-mode = "sgmii";
+ phy-mode = "2500base-x";
managed = "in-band-status";
phys = <&comphy0 1>;
sfp = <&sfp_eth1>;

20
target/linux/mvebu/patches-5.4/550-arm64-dts-uDPU-switch-PHY-operation-mode-to-2500base.patch Normal file
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@ -0,0 +1,20 @@
--- a/arch/arm64/boot/dts/marvell/armada-3720-uDPU.dts
+++ b/arch/arm64/boot/dts/marvell/armada-3720-uDPU.dts
@@ -144,7 +144,7 @@
};
&eth0 {
- phy-mode = "sgmii";
+ phy-mode = "2500base-x";
status = "okay";
managed = "in-band-status";
phys = <&comphy1 0>;
@@ -152,7 +152,7 @@
};
&eth1 {
- phy-mode = "sgmii";
+ phy-mode = "2500base-x";
status = "okay";
managed = "in-band-status";
phys = <&comphy0 1>;