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46 lines
1.5 KiB
Diff
46 lines
1.5 KiB
Diff
From 5e33f1c4a7cb914a003a304ab8eef705b17aabb7 Mon Sep 17 00:00:00 2001
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From: =?UTF-8?q?Ar=C4=B1n=C3=A7=20=C3=9CNAL?= <arinc.unal@arinc9.com>
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Date: Fri, 17 Dec 2021 00:03:19 +0800
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Subject: [PATCH] ARM: dts: BCM5301X: correct RX delay and enable flow control
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on Asus RT-AC88U
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MIME-Version: 1.0
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Content-Type: text/plain; charset=UTF-8
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Content-Transfer-Encoding: 8bit
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The current 'rx-internal-delay-ps' property value on the Realtek switch
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node, 2000, will be divided by 300, resulting in 6.66, which will be
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rounded to the closest step value, 7. Change it to 2100 to be accurate.
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See ef136837aaf6 ("net: dsa: rtl8365mb: set RGMII RX delay in steps of
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0.3 ns") for reference.
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Flow control needs to be enabled on both sides of the internal and
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external switch. It is already enabled on the CPU port of the Realtek
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switch so we also enable it on the external switch port of the Broadcom
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switch as well.
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Signed-off-by: Arınç ÜNAL <arinc.unal@arinc9.com>
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Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
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---
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arch/arm/boot/dts/bcm47094-asus-rt-ac88u.dts | 3 ++-
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1 file changed, 2 insertions(+), 1 deletion(-)
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--- a/arch/arm/boot/dts/bcm47094-asus-rt-ac88u.dts
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+++ b/arch/arm/boot/dts/bcm47094-asus-rt-ac88u.dts
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@@ -138,7 +138,7 @@
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ethernet = <&sw0_p5>;
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phy-mode = "rgmii";
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tx-internal-delay-ps = <2000>;
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- rx-internal-delay-ps = <2000>;
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+ rx-internal-delay-ps = <2100>;
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fixed-link {
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speed = <1000>;
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@@ -213,6 +213,7 @@
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fixed-link {
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speed = <1000>;
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full-duplex;
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+ pause;
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};
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};
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