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lantiq: improve ethernet performance

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This commit contains a series of fixes for DMA. The burst length
patch significantly improves Ethernet performance. Patches were
tested on the xRX200 and xRX330.

Signed-off-by: Aleksander Jan Bajkowski <olek2@wp.pl>
This commit is contained in:
Aleksander Jan Bajkowski
2021-05-22 20:07:56 +02:00
committed by Mathias Kresin
parent 2f95dd8ff0
commit 0e561a2aea
14 changed files with 706 additions and 0 deletions
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2
target/linux/lantiq/files/arch/mips/boot/dts/lantiq/amazonse.dtsi
View File

@@ -236,6 +236,8 @@
interrupts = <105 109>;
pinctrl-0 = <&mdio_pins>;
pinctrl-names = "default";
lantiq,tx-burst-length = <4>;
lantiq,rx-burst-length = <4>;
};
};

2
target/linux/lantiq/files/arch/mips/boot/dts/lantiq/ar9.dtsi
View File

@@ -387,6 +387,8 @@
interrupts = <73 72>;
pinctrl-0 = <&mdio_pins>;
pinctrl-names = "default";
lantiq,tx-burst-length = <8>;
lantiq,rx-burst-length = <8>;
};
ppe@e234000 {

2
target/linux/lantiq/files/arch/mips/boot/dts/lantiq/danube.dtsi
View File

@@ -299,6 +299,8 @@
reg = <0xe180000 0x40000>;
interrupt-parent = <&icu0>;
interrupts = <73 78>;
lantiq,tx-burst-length = <4>;
lantiq,rx-burst-length = <4>;
};
ppe@e234000 {

2
target/linux/lantiq/files/arch/mips/boot/dts/lantiq/vr9.dtsi
View File

@@ -488,6 +488,8 @@
interrupt-names = "tx", "rx";
resets = <&reset0 21 16>, <&reset0 8 8>, <&reset0 3 3>;
reset-names = "switch", "ppe", "ppe_dsp";
lantiq,tx-burst-length = <8>;
lantiq,rx-burst-length = <8>;
#address-cells = <1>;
#size-cells = <0>;