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arm64: dts: rockchip: fix rk3328-roc-cc gmac2io stability issues

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This patch is a port of the fix from
commit 73e42e1866 ("arm64: dts: rockchip: fix rock64 gmac2io stability
issues")

As per that patch, enabling thresh dma mode force disables checksuming.
This is necessary as tx checksuming does not work with packets larger
than 1498.

The rk3328-roc-cc board exhibits tx stability issues with large packets
similar to rock64's issues. This patch resolves that issue.

Signed-off-by: Peter Geis <pgwipeout@gmail.com>
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
This commit is contained in:
Peter Geis 2019-02-11 02:04:39 +08:00 committed by Heiko Stuebner
parent 6db644c79c
commit 4bc4d6013b
1 changed files with 1 additions and 0 deletions
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arch/arm64/boot/dts/rockchip/rk3328-roc-cc.dts
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@ -104,6 +104,7 @@
phy-mode = "rgmii";
pinctrl-names = "default";
pinctrl-0 = <&rgmiim1_pins>;
snps,force_thresh_dma_mode;
snps,reset-gpio = <&gpio1 RK_PC2 GPIO_ACTIVE_LOW>;
snps,reset-active-low;
snps,reset-delays-us = <0 10000 50000>;