From: Thor Thayer <thor.thayer@xxxxxxxxxxxxxxx>
Add the device tree entries needed to support the EMAC AXI
bus settings on the Arria10 SoCFPGA chip.
Signed-off-by: Thor Thayer <thor.thayer@xxxxxxxxxxxxxxx>
---
v2 Add the AXI configuration to the other DW EMACs in the chip.
---
arch/arm/boot/dts/socfpga_arria10.dtsi | 9 +++++++++
1 file changed, 9 insertions(+)
diff --git a/arch/arm/boot/dts/socfpga_arria10.dtsi b/arch/arm/boot/dts/socfpga_arria10.dtsi
index f520cbf..9abc7d8 100644
--- a/arch/arm/boot/dts/socfpga_arria10.dtsi
+++ b/arch/arm/boot/dts/socfpga_arria10.dtsi
@@ -400,6 +400,12 @@
};
};
+ socfpga_axi_setup: stmmac-axi-config {
+ snps,wr_osr_lmt = <0xf>;
+ snps,rd_osr_lmt = <0xf>;
+ snps,blen = <0 0 0 0 16 0 0>;
+ };
+
gmac0: ethernet@ff800000 {
compatible = "altr,socfpga-stmmac", "snps,dwmac-3.72a", "snps,dwmac";
altr,sysmgr-syscon = <&sysmgr 0x44 0>;
@@ -416,6 +422,7 @@
clock-names = "stmmaceth";
resets = <&rst EMAC0_RESET>;
reset-names = "stmmaceth";
+ snps,axi-config = <&socfpga_axi_setup>;
status = "disabled";
};
@@ -435,6 +442,7 @@
clock-names = "stmmaceth";
resets = <&rst EMAC1_RESET>;
reset-names = "stmmaceth";
+ snps,axi-config = <&socfpga_axi_setup>;
status = "disabled";
};
@@ -452,6 +460,7 @@
rx-fifo-depth = <16384>;
clocks = <&l4_mp_clk>;
clock-names = "stmmaceth";
+ snps,axi-config = <&socfpga_axi_setup>;
status = "disabled";
};
--
2.7.4
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