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Date:      Thu, 20 Jan 2022 14:02:33 +0000
From:      bugzilla-noreply@freebsd.org
To:        freebsd-arm@FreeBSD.org
Subject:   [Bug 261355] dwc(4) fails to attach on BananaPi A20
Message-ID:  <bug-261355-7@https.bugs.freebsd.org/bugzilla/>
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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D261355

            Bug ID: 261355
           Summary: dwc(4) fails to attach on BananaPi A20
           Product: Base System
           Version: CURRENT
          Hardware: Any
                OS: Any
            Status: New
          Severity: Affects Only Me
          Priority: ---
         Component: arm
          Assignee: freebsd-arm@FreeBSD.org
          Reporter: marentoy@protonmail.com

It's running 14.0-CURRENT d106f982a54cd299671ccad58bc456138a22ae7b

dwc0: <A20 Gigabit Ethernet Controller> mem 0x1c50000-0x1c5ffff irq 72 on
simplebus0
dwc0: MAC clock(ahb-gmac) freq: 160000000
dwc0: Can't reset DWC.
device_attach: dwc0 attach returned 6

after changing phy-mode back to rgmii in sun7i-a20-bananapi.dts, it works
again.

diff --git a/sys/contrib/device-tree/src/arm/sun7i-a20-bananapi.dts
b/sys/contrib/device-tree/src/arm/sun7i-a20-bananapi.dts
index 9d792d7a0f92..87cef1fc7dfd 100644
--- a/sys/contrib/device-tree/src/arm/sun7i-a20-bananapi.dts
+++ b/sys/contrib/device-tree/src/arm/sun7i-a20-bananapi.dts
@@ -132,7 +132,7 @@
        pinctrl-names =3D "default";
        pinctrl-0 =3D <&gmac_rgmii_pins>;
        phy-handle =3D <&phy1>;
-       phy-mode =3D "rgmii-id";
+       phy-mode =3D "rgmii";
        phy-supply =3D <&reg_gmac_3v3>;
        status =3D "okay";
 };

dwc0: <A20 Gigabit Ethernet Controller> mem 0x1c50000-0x1c5ffff irq 72 on
simplebus0
dwc0: MAC clock(ahb-gmac) freq: 160000000
miibus0: <MII bus> on dwc0
rgephy0: <RTL8169S/8110S/8211 1000BASE-T media interface> PHY 0 on miibus0
rgephy0: OUI 0x00e04c, model 0x0011, rev. 5
rgephy0:  none, 10baseT, 10baseT-FDX, 100baseTX, 100baseTX-FDX, 1000baseT,
1000baseT-master, 1000baseT-FDX, 1000baseT-FDX-master, auto
rgephy1: <RTL8169S/8110S/8211 1000BASE-T media interface> PHY 1 on miibus0
rgephy1: OUI 0x00e04c, model 0x0011, rev. 5
rgephy1:  none, 10baseT, 10baseT-FDX, 100baseTX, 100baseTX-FDX, 1000baseT,
1000baseT-master, 1000baseT-FDX, 1000baseT-FDX-master, auto
dwc0: bpf attached

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