2 * Copyright (C) 2015 Altera Corporation <www.altera.com>
4 * This program is free software; you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License as published by
6 * the Free Software Foundation; either version 2 of the License, or
7 * (at your option) any later version.
9 * This program is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 * GNU General Public License for more details.
14 * You should have received a copy of the GNU General Public License
15 * along with this program. If not, see <http://www.gnu.org/licenses/>.
17 #include "socfpga_arria10.dtsi"
20 model = "Altera SOCFPGA Arria 10";
21 compatible = "altr,socfpga-arria10", "altr,socfpga";
24 bootargs = "console=ttyS0,115200 rootwait";
29 device_type = "memory";
30 reg = <0x0 0x40000000>; /* 1GB */
37 clock-frequency = <25000000>;
46 phy-addr = <0xffffffff>; /* probe for phy addr */
49 * These skews assume the user's FPGA design is adding 600ps of delay
50 * for TX_CLK on Arria 10.
52 * All skews are offset since hardware skew values for the ksz9031
53 * range from a negative skew to a positive skew.
54 * See the micrel-ksz90x1.txt Documentation file for details.
56 txd0-skew-ps = <0>; /* -420ps */
57 txd1-skew-ps = <0>; /* -420ps */
58 txd2-skew-ps = <0>; /* -420ps */
59 txd3-skew-ps = <0>; /* -420ps */
60 rxd0-skew-ps = <420>; /* 0ps */
61 rxd1-skew-ps = <420>; /* 0ps */
62 rxd2-skew-ps = <420>; /* 0ps */
63 rxd3-skew-ps = <420>; /* 0ps */
64 txen-skew-ps = <0>; /* -420ps */
65 txc-skew-ps = <1860>; /* 960ps */
66 rxdv-skew-ps = <420>; /* 0ps */
67 rxc-skew-ps = <1680>; /* 780ps */
68 max-frame-size = <3800>;