From: Bhadram Varka <vbhadram@nvidia.com>
To: robh+dt@kernel.org, mark.rutland@arm.com,
catalin.marinas@arm.com, will.deacon@arm.com, treding@nvidia.com,
mperttunen@nvidia.com
Cc: linux-tegra@vger.kernel.org, devicetree@vger.kernel.org,
linux-arm-kernel@lists.infradead.org
Subject: [PATCH V2 2/3] arm64: tegra: Enable multi-queue for DWC EQOS
Date: Sat, 2 Jun 2018 14:50:50 +0530 [thread overview]
Message-ID: <1527931251-4809-2-git-send-email-vbhadram@nvidia.com> (raw)
In-Reply-To: <1527931251-4809-1-git-send-email-vbhadram@nvidia.com>
DWC EQOS supports four MTL queues for Tx and Rx
separately.
Signed-off-by: Bhadram Varka <vbhadram@nvidia.com>
---
arch/arm64/boot/dts/nvidia/tegra186.dtsi | 48 ++++++++++++++++++++++++++++++++
1 file changed, 48 insertions(+)
diff --git a/arch/arm64/boot/dts/nvidia/tegra186.dtsi b/arch/arm64/boot/dts/nvidia/tegra186.dtsi
index 252133b..48c6caf 100644
--- a/arch/arm64/boot/dts/nvidia/tegra186.dtsi
+++ b/arch/arm64/boot/dts/nvidia/tegra186.dtsi
@@ -37,6 +37,52 @@
gpio-controller;
};
+ mtl_rx_setup: rx-queues-config {
+ snps,rx-queues-to-use = <4>;
+ snps,rx-sched-sp;
+ queue0 {
+ snps,dcb-algorithm;
+ snps,map-to-dma-channel = <0x0>;
+ snps,priority = <0x0>;
+ };
+ queue1 {
+ snps,dcb-algorithm;
+ snps,map-to-dma-channel = <0x1>;
+ snps,priority = <0x1>;
+ };
+ queue2 {
+ snps,dcb-algorithm;
+ snps,map-to-dma-channel = <0x2>;
+ snps,priority = <0x2>;
+ };
+ queue3 {
+ snps,dcb-algorithm;
+ snps,map-to-dma-channel = <0x2>;
+ snps,priority = <0x3>;
+ };
+ };
+
+ mtl_tx_setup: tx-queues-config {
+ snps,tx-queues-to-use = <4>;
+ snps,tx-sched-sp;
+ queue0 {
+ snps,dcb-algorithm;
+ snps,priority = <0x0>;
+ };
+ queue1 {
+ snps,dcb-algorithm;
+ snps,priority = <0x1>;
+ };
+ queue2 {
+ snps,dcb-algorithm;
+ snps,priority = <0x2>;
+ };
+ queue3 {
+ snps,dcb-algorithm;
+ snps,priority = <0x3>;
+ };
+ };
+
ethernet@2490000 {
compatible = "nvidia,tegra186-eqos",
"snps,dwc-qos-ethernet-4.10";
@@ -57,6 +103,8 @@
snps,burst-map = <0x7>;
snps,txpbl = <32>;
snps,rxpbl = <8>;
+ snps,mtl-rx-config = <&mtl_rx_setup>;
+ snps,mtl-tx-config = <&mtl_tx_setup>;
};
memory-controller@2c00000 {
--
2.7.4
next prev parent reply other threads:[~2018-06-02 9:20 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-06-02 9:20 [PATCH V2 1/3] arm64: tegra: Remove unused interrupt properties Bhadram Varka
2018-06-02 9:20 ` Bhadram Varka [this message]
2018-06-02 9:20 ` [PATCH V2 3/3] arm64: tegra: Configure DWC EQOS TxPBL for multi-queue Bhadram Varka
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