forked from Minki/linux
112cadfd43
Update the arria10 gmac nodes with all the necessary properties for ethernet to function on the Arria10 devkit. Signed-off-by: Dinh Nguyen <dinguyen@opensource.altera.com> Signed-off-by: Kevin Hilman <khilman@linaro.org>
75 lines
1.9 KiB
Plaintext
75 lines
1.9 KiB
Plaintext
/*
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* Copyright (C) 2015 Altera Corporation <www.altera.com>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "socfpga_arria10.dtsi"
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/ {
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model = "Altera SOCFPGA Arria 10";
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compatible = "altr,socfpga-arria10", "altr,socfpga";
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chosen {
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bootargs = "console=ttyS0,115200 rootwait";
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};
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memory {
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name = "memory";
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device_type = "memory";
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reg = <0x0 0x40000000>; /* 1GB */
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};
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soc {
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clkmgr@ffd04000 {
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clocks {
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osc1 {
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clock-frequency = <25000000>;
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};
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};
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};
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};
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};
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&gmac0 {
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phy-mode = "rgmii";
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phy-addr = <0xffffffff>; /* probe for phy addr */
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/*
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* These skews assume the user's FPGA design is adding 600ps of delay
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* for TX_CLK on Arria 10.
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*
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* All skews are offset since hardware skew values for the ksz9031
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* range from a negative skew to a positive skew.
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* See the micrel-ksz90x1.txt Documentation file for details.
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*/
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txd0-skew-ps = <0>; /* -420ps */
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txd1-skew-ps = <0>; /* -420ps */
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txd2-skew-ps = <0>; /* -420ps */
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txd3-skew-ps = <0>; /* -420ps */
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rxd0-skew-ps = <420>; /* 0ps */
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rxd1-skew-ps = <420>; /* 0ps */
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rxd2-skew-ps = <420>; /* 0ps */
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rxd3-skew-ps = <420>; /* 0ps */
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txen-skew-ps = <0>; /* -420ps */
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txc-skew-ps = <1860>; /* 960ps */
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rxdv-skew-ps = <420>; /* 0ps */
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rxc-skew-ps = <1680>; /* 780ps */
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max-frame-size = <3800>;
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status = "okay";
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};
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&uart1 {
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status = "okay";
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};
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