From: Stephen Hemminger <stephen@networkplumber.org>
To: netdev@vger.kernel.org
Subject: Fw: [Bug 212299] New: RK3288-RTL8211E ethernet driver error
Date: Tue, 16 Mar 2021 08:46:19 -0700 [thread overview]
Message-ID: <20210316084619.40d673fb@hermes.local> (raw)
Begin forwarded message:
Date: Tue, 16 Mar 2021 06:39:54 +0000
From: bugzilla-daemon@bugzilla.kernel.org
To: stephen@networkplumber.org
Subject: [Bug 212299] New: RK3288-RTL8211E ethernet driver error
https://bugzilla.kernel.org/show_bug.cgi?id=212299
Bug ID: 212299
Summary: RK3288-RTL8211E ethernet driver error
Product: Networking
Version: 2.5
Kernel Version: 5.11.6
Hardware: ARM
OS: Linux
Tree: Mainline
Status: NEW
Severity: normal
Priority: P1
Component: Other
Assignee: stephen@networkplumber.org
Reporter: msubair@hotmail.com
Regression: No
RK3288 board which has RTL8211E ethernet chip and ACT8846 PMU controller.
The dts file has following info, and it includes rk3288.dtsi
----------------------------------------------------------------------------
&gmac {
assigned-clocks = <&cru SCLK_MAC>;
assigned-clock-parents = <&ext_gmac>;
clock_in_out = "input";
pinctrl-names = "default";
pinctrl-0 = <&rgmii_pins>, <&phy_rst>, <&phy_pmeb>, <&phy_int>;
phy-supply = <&vcc_lan>;
phy-mode = "rgmii";
snps,reset-active-low;
snps,reset-delays-us = <0 10000 100000>;
snps,reset-gpio = <&gpio4 RK_PB0 GPIO_ACTIVE_LOW>;
tx_delay = <0x30>;
rx_delay = <0x10>;
status = "okay";
};
----------------------------------------------------------------------------
The ethernet never comes up and giving below error.
root@LXCNAME:~# dmesg | grep eth
[ 2.519105] rk_gmac-dwmac ff290000.ethernet: IRQ eth_lpi not found
[ 2.526163] rk_gmac-dwmac ff290000.ethernet: PTP uses main clock
[ 2.532916] rk_gmac-dwmac ff290000.ethernet: phy regulator is not available
yet, deferred probing
[ 2.574228] usbcore: registered new interface driver cdc_ether
[ 3.358577] rk_gmac-dwmac ff290000.ethernet: IRQ eth_lpi not found
[ 3.358633] rk_gmac-dwmac ff290000.ethernet: PTP uses main clock
[ 3.358851] rk_gmac-dwmac ff290000.ethernet: clock input or output? (input).
[ 3.358857] rk_gmac-dwmac ff290000.ethernet: TX delay(0x30).
[ 3.358861] rk_gmac-dwmac ff290000.ethernet: RX delay(0x10).
[ 3.358868] rk_gmac-dwmac ff290000.ethernet: integrated PHY? (no).
[ 3.358895] rk_gmac-dwmac ff290000.ethernet: cannot get clock clk_mac_speed
[ 3.358898] rk_gmac-dwmac ff290000.ethernet: clock input from PHY
[ 3.363906] rk_gmac-dwmac ff290000.ethernet: init for RGMII
[ 3.364096] rk_gmac-dwmac ff290000.ethernet: User ID: 0x10, Synopsys ID:
0x35
[ 3.364104] rk_gmac-dwmac ff290000.ethernet: DWMAC1000
[ 3.364107] rk_gmac-dwmac ff290000.ethernet: DMA HW capability register
supported
[ 3.364111] rk_gmac-dwmac ff290000.ethernet: RX Checksum Offload Engine
supported
[ 3.364114] rk_gmac-dwmac ff290000.ethernet: COE Type 2
[ 3.364118] rk_gmac-dwmac ff290000.ethernet: TX Checksum insertion supported
[ 3.364121] rk_gmac-dwmac ff290000.ethernet: Wake-Up On Lan supported
[ 3.364157] rk_gmac-dwmac ff290000.ethernet: Normal descriptors
[ 3.364160] rk_gmac-dwmac ff290000.ethernet: Ring mode enabled
[ 3.364164] rk_gmac-dwmac ff290000.ethernet: Enable RX Mitigation via HW
Watchdog Timer
[ 8.156632] rk_gmac-dwmac ff290000.ethernet eth0: validation of rgmii with
support 0000000,00000000,00006280 and advertisement 0000000,00000000,00006280
failed: -22
[ 8.157755] rk_gmac-dwmac ff290000.ethernet eth0: stmmac_open: Cannot attach
to PHY (error: -22)
root@LXCNAME:~# dmesg | grep sdmmac
root@LXCNAME:~# dmesg | grep stmmac
[ 3.466622] libphy: stmmac: probed
[ 3.490765] mdio_bus stmmac-0:00: attached PHY driver [unbound]
(mii_bus:phy_addr=stmmac-0:00, irq=POLL)
[ 3.504573] mdio_bus stmmac-0:01: attached PHY driver [unbound]
(mii_bus:phy_addr=stmmac-0:01, irq=POLL)
[ 3.567118] mdio_bus stmmac-0:02: attached PHY driver [unbound]
(mii_bus:phy_addr=stmmac-0:02, irq=POLL)
[ 3.577736] mdio_bus stmmac-0
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