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Copy path20210310_3568_dual_ethernet.patch
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20210310_3568_dual_ethernet.patch
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这是开发板双以太网验证OK boot.img
链接：https://pan.baidu.com/s/1czFimGYft9CST00b_K7qFQ
提取码：nczi
hxg@ubuntu101:~/work/android/Rockckchip_Android11.0_SDK/ROCKCHIP_ANDROID11.0_SDK_RELEASE/kernel/arch/arm64/boot/dts/rockchip$ git diff rk3568-evb1-ddr4-v10.dtsi
diff --git a/arch/arm64/boot/dts/rockchip/rk3568-evb1-ddr4-v10.dtsi b/arch/arm64/boot/dts/rockchip/rk3568-evb1-ddr4-v10.dtsi
index 05d0afd..795fe43 100644
--- a/arch/arm64/boot/dts/rockchip/rk3568-evb1-ddr4-v10.dtsi
+++ b/arch/arm64/boot/dts/rockchip/rk3568-evb1-ddr4-v10.dtsi
@@ -210,7 +223,7 @@
&gmac0 {
phy-mode = "rgmii";
- clock_in_out = "output";
+ clock_in_out = "input";
snps,reset-gpio = <&gpio2 RK_PD3 GPIO_ACTIVE_LOW>;
snps,reset-active-low;
@@ -218,7 +231,7 @@
snps,reset-delays-us = <0 20000 100000>;
assigned-clocks = <&cru SCLK_GMAC0_RX_TX>, <&cru SCLK_GMAC0>;
- assigned-clock-parents = <&cru SCLK_GMAC0_RGMII_SPEED>;
+ assigned-clock-parents = <&cru SCLK_GMAC0_RGMII_SPEED>, <&gmac0_clkin>;
assigned-clock-rates = <0>, <125000000>;
pinctrl-names = "default";
@@ -226,7 +239,8 @@
&gmac0_tx_bus2
&gmac0_rx_bus2
&gmac0_rgmii_clk
- &gmac0_rgmii_bus>;
+ &gmac0_rgmii_bus
+ &gmac0_clkinout>;
tx_delay = <0x3c>;
rx_delay = <0x2f>;
@@ -237,7 +251,7 @@
&gmac1 {
phy-mode = "rgmii";
- clock_in_out = "output";
+ clock_in_out = "input";
snps,reset-gpio = <&gpio2 RK_PD1 GPIO_ACTIVE_LOW>;
snps,reset-active-low;
@@ -245,7 +259,7 @@
snps,reset-delays-us = <0 20000 100000>;
assigned-clocks = <&cru SCLK_GMAC1_RX_TX>, <&cru SCLK_GMAC1>;
- assigned-clock-parents = <&cru SCLK_GMAC1_RGMII_SPEED>;
+ assigned-clock-parents = <&cru SCLK_GMAC1_RGMII_SPEED>, <&gmac1_clkin>;
assigned-clock-rates = <0>, <125000000>;
pinctrl-names = "default";
@@ -253,7 +267,8 @@
&gmac1m1_tx_bus2
&gmac1m1_rx_bus2
&gmac1m1_rgmii_clk
- &gmac1m1_rgmii_bus>;
+ &gmac1m1_rgmii_bus
+ &gmac1m1_clkinout>;
tx_delay = <0x4f>;
rx_delay = <0x26>;
用下面命令编译：
build.sh
升级kernel 下boot.img
问题排查：
cat /sys/kernel/debug/pinctrl/pinctrl-rockchip-pinctrl/pinmux-pins
dts 配制为input, 由phy 提供125MHZ mac_clk, clock tree 如下：
cat /sys/kernel/debug/clk/clk_summary
gmac1_clkin 1 1 0 125000000 0 0 50000
clk_gmac1 2 2 0 125000000 0 0 50000
clk_gmac1_rgmii_speed 1 1 0 125000000 0 0 50000
clk_gmac1_rx_tx 2 2 0 125000000 0 0 50000
clk_gmac1_rx_div20 0 0 0 6250000 0 0 50000
clk_gmac1_rmii_speed 0 0 0 6250000 0 0 50000
clk_gmac1_rx_div2 0 0 0 62500000 0 0 50000
clk_gmac1_tx_div50 0 0 0 2500000 0 0 50000
clk_gmac1_tx_div5 0 0 0 25000000 0 0 50000
gmac0_clkin 1 1 0 125000000 0 0 50000
clk_gmac0 2 2 0 125000000 0 0 50000
clk_gmac0_rgmii_speed 1 1 0 125000000 0 0 50000
clk_gmac0_rx_tx 2 2 0 125000000 0 0 50000
clk_gmac0_rx_div20 0 0 0 6250000 0 0 50000
clk_gmac0_rmii_speed 0 0 0 6250000 0 0 50000
clk_gmac0_rx_div2 0 0 0 62500000 0 0 50000
clk_gmac0_tx_div50 0 0 0 2500000 0 0 50000
clk_gmac0_tx_div5 0 0 0 25000000 0 0 50000
iclk_vicap_g
0 0 0 0 0 0 50000