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all ports exist, but crash on bringup lan3-8

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This commit is contained in:
mooleshacat 2026-06-17 03:23:41 -04:00
parent bf63abe311
commit 3ad9b58fbf
Signed by: mooleshacat
GPG Key ID: 6F42FE1A481818C2
1 changed files with 44 additions and 33 deletions
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77
target/linux/ipq40xx/files-6.12/arch/arm/boot/dts/qcom/qcom-ipq4019-tew-829dru.dts
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@ -107,17 +107,12 @@
#size-cells = <0>;
reg = <0x10>;
dsa,member = <0 1>;
dsa,member = <1 0>;
ports {
#address-cells = <1>;
#size-cells = <0>;
/*
* CPU port: RGMII fixed-link to gmac1.
* gmac1 is the SoC's second GMAC, independent of the ESS.
* 1000 Mbps full-duplex — no autoneg on a fixed MAC-to-switch link.
*/
extport0: port@0 {
reg = <0>;
label = "cpu";
@ -131,39 +126,63 @@
port@1 {
reg = <1>;
label = "lan4";
phy-mode = "internal";
phy-handle = <&qca8337_phy0>;
label = "lan3";
phy-mode = "gmii"; /* WAS: "internal" — that triggers PHY lookup → NULL → crash */
fixed-link {
speed = <1000>;
full-duplex;
};
};
port@2 {
reg = <2>;
label = "lan5";
phy-mode = "internal";
phy-handle = <&qca8337_phy1>;
label = "lan4";
phy-mode = "gmii"; /* WAS: "internal" */
fixed-link {
speed = <1000>;
full-duplex;
};
};
port@3 {
reg = <3>;
label = "lan6";
phy-mode = "internal";
phy-handle = <&qca8337_phy2>;
label = "lan5";
phy-mode = "gmii"; /* WAS: "internal" */
fixed-link {
speed = <1000>;
full-duplex;
};
};
port@4 {
reg = <4>;
label = "lan7";
phy-mode = "internal";
phy-handle = <&qca8337_phy3>;
label = "lan6";
phy-mode = "gmii"; /* WAS: "internal" */
fixed-link {
speed = <1000>;
full-duplex;
};
};
port@5 {
reg = <5>;
label = "lan8";
phy-mode = "internal";
phy-handle = <&qca8337_phy4>;
label = "lan7";
phy-mode = "gmii"; /* WAS: "internal" */
fixed-link {
speed = <1000>;
full-duplex;
};
};
port@6 {
reg = <6>;
label = "lan8";
phy-mode = "gmii"; /* WAS: "sgmii" — this is a copper port */
fixed-link {
speed = <1000>;
full-duplex;
};
};
};
/*
@ -171,16 +190,7 @@
* PHY addresses 0-4 are LOCAL to the switch — do not confuse
* with the top-level MDIO bus where QCA8075 lives at 8-12.
*/
mdio {
#address-cells = <1>;
#size-cells = <0>;
qca8337_phy0: ethernet-phy@0 { reg = <0>; };
qca8337_phy1: ethernet-phy@1 { reg = <1>; };
qca8337_phy2: ethernet-phy@2 { reg = <2>; };
qca8337_phy3: ethernet-phy@3 { reg = <3>; };
qca8337_phy4: ethernet-phy@4 { reg = <4>; };
};
};
};
@ -200,6 +210,7 @@
psgmii-ethphy = <&ethphy12>;
ports {
#address-cells = <1>;
#size-cells = <0>;
@ -247,12 +258,12 @@
full-duplex;
};
};
/*
* NO port@6 — valid ESS indices are 0-5 only (num_ports=6).
* QCA8337 is NOT cascaded here. (?It lives on gmac1 independently?)
*/
};
};