[PATCH 3/3] arm64: dts: agilex5: Enable pagepool Tx buffer quirk

From: muhammad . nazim . amirul . nazle . asmade

Date: Mon Aug 03 2026 - 03:08:53 EST


From: Nazim Amirul <muhammad.nazim.amirul.nazle.asmade@xxxxxxxxxx>

Enable snps,pagepool-tx-buf-quirk for Agilex5 gmac0/1/2. These ports
use an IOMMU, where avoiding per-packet dma map/unmap invalidate cost
improves Tx performance.

Signed-off-by: Nazim Amirul <muhammad.nazim.amirul.nazle.asmade@xxxxxxxxxx>
---
arch/arm64/boot/dts/intel/socfpga_agilex5.dtsi | 3 +++
1 file changed, 3 insertions(+)

diff --git a/arch/arm64/boot/dts/intel/socfpga_agilex5.dtsi b/arch/arm64/boot/dts/intel/socfpga_agilex5.dtsi
index f54767d1526e..4ce4fa091385 100644
--- a/arch/arm64/boot/dts/intel/socfpga_agilex5.dtsi
+++ b/arch/arm64/boot/dts/intel/socfpga_agilex5.dtsi
@@ -605,6 +605,7 @@ gmac0: ethernet@10810000 {
snps,mtl-tx-config = <&mtl_tx_emac0_setup>;
snps,pbl = <32>;
snps,tso;
+ snps,pagepool-tx-buf-quirk;
altr,sysmgr-syscon = <&sysmgr 0x44 0>;
snps,clk-csr = <0>;
iommus = <&smmu 1>;
@@ -751,6 +752,7 @@ gmac1: ethernet@10820000 {
snps,mtl-tx-config = <&mtl_tx_emac1_setup>;
snps,pbl = <32>;
snps,tso;
+ snps,pagepool-tx-buf-quirk;
altr,sysmgr-syscon = <&sysmgr 0x48 0>;
snps,clk-csr = <0>;
iommus = <&smmu 2>;
@@ -897,6 +899,7 @@ gmac2: ethernet@10830000 {
snps,mtl-tx-config = <&mtl_tx_emac2_setup>;
snps,pbl = <32>;
snps,tso;
+ snps,pagepool-tx-buf-quirk;
altr,sysmgr-syscon = <&sysmgr 0x4c 0>;
snps,clk-csr = <0>;
iommus = <&smmu 3>;
--
2.43.7