0001 // SPDX-License-Identifier: ISC
0002 /*
0003 * Device Tree file for Netgear WG302v2 based on IXP422BB
0004 * Derived from boardfiles written by Imre Kaloz
0005 */
0006
0007 /dts-v1/;
0008
0009 #include "intel-ixp42x.dtsi"
0010 #include <dt-bindings/input/input.h>
0011
0012 / {
0013 model = "Netgear WG302 v1";
0014 compatible = "netgear,wg302v1", "intel,ixp42x";
0015 #address-cells = <1>;
0016 #size-cells = <1>;
0017
0018 memory@0 {
0019 /* 32 MB SDRAM according to boot arguments */
0020 device_type = "memory";
0021 reg = <0x00000000 0x02000000>;
0022 };
0023
0024 chosen {
0025 /* The RedBoot comes up in 9600 baud so let's keep this */
0026 bootargs = "console=ttyS0,9600n8";
0027 stdout-path = "uart1:9600n8";
0028 };
0029
0030 aliases {
0031 /* These are switched around */
0032 serial0 = &uart1;
0033 };
0034
0035 soc {
0036 bus@c4000000 {
0037 flash@0,0 {
0038 compatible = "intel,ixp4xx-flash", "cfi-flash";
0039 bank-width = <2>;
0040 /*
0041 * 8 MB of Flash in 64 0x20000 sized blocks
0042 * mapped in at CS0.
0043 */
0044 reg = <0 0x00000000 0x800000>;
0045
0046 /* Configure expansion bus to allow writes */
0047 intel,ixp4xx-eb-write-enable = <1>;
0048
0049 partitions {
0050 compatible = "redboot-fis";
0051 fis-index-block = <0x3f>;
0052 };
0053 };
0054 };
0055
0056 pci@c0000000 {
0057 status = "ok";
0058
0059 /*
0060 * Taken from WG302 v2 PCI boardfile (wg302v2-pci.c)
0061 * We have slots (IDSEL) 1 and 2 with one assigned IRQ
0062 * each handling all IRQs.
0063 */
0064 #interrupt-cells = <1>;
0065 interrupt-map-mask = <0xf800 0 0 7>;
0066 interrupt-map =
0067 /* IDSEL 1 */
0068 <0x0800 0 0 1 &gpio0 8 IRQ_TYPE_LEVEL_LOW>, /* INT A on slot 1 is irq 8 */
0069 <0x0800 0 0 2 &gpio0 8 IRQ_TYPE_LEVEL_LOW>, /* INT B on slot 1 is irq 8 */
0070 <0x0800 0 0 3 &gpio0 8 IRQ_TYPE_LEVEL_LOW>, /* INT C on slot 1 is irq 8 */
0071 <0x0800 0 0 4 &gpio0 8 IRQ_TYPE_LEVEL_LOW>, /* INT D on slot 1 is irq 8 */
0072 /* IDSEL 2 */
0073 <0x1000 0 0 1 &gpio0 9 IRQ_TYPE_LEVEL_LOW>, /* INT A on slot 2 is irq 9 */
0074 <0x1000 0 0 2 &gpio0 9 IRQ_TYPE_LEVEL_LOW>, /* INT B on slot 2 is irq 9 */
0075 <0x1000 0 0 3 &gpio0 9 IRQ_TYPE_LEVEL_LOW>, /* INT C on slot 2 is irq 9 */
0076 <0x1000 0 0 4 &gpio0 9 IRQ_TYPE_LEVEL_LOW>; /* INT D on slot 2 is irq 9 */
0077 };
0078
0079 ethernet@c8009000 {
0080 status = "ok";
0081 queue-rx = <&qmgr 3>;
0082 queue-txready = <&qmgr 20>;
0083 phy-mode = "rgmii";
0084 phy-handle = <&phy30>;
0085
0086 mdio {
0087 #address-cells = <1>;
0088 #size-cells = <0>;
0089
0090 phy30: ethernet-phy@30 {
0091 reg = <30>;
0092 };
0093 };
0094 };
0095 };
0096 };
