1 // SPDX-License-Identifier: ISC
2 /*
3 * Device Tree file for Netgear WG302v2 based on IXP422BB
4 * Derived from boardfiles written by Imre Kaloz
5 */
6
7 /dts-v1/;
8
9 #include "intel-ixp42x.dtsi"
10 #include <dt-bindings/input/input.h>
11
12 / {
13 model = "Netgear WG302 v1";
14 compatible = "netgear,wg302v1", "intel,ixp42x";
15 #address-cells = <1>;
16 #size-cells = <1>;
17
18 memory@0 {
19 /* 32 MB SDRAM according to boot arguments */
20 device_type = "memory";
21 reg = <0x00000000 0x02000000>;
22 };
23
24 chosen {
25 /* The RedBoot comes up in 9600 baud so let's keep this */
26 bootargs = "console=ttyS0,9600n8";
27 stdout-path = "uart1:9600n8";
28 };
29
30 aliases {
31 /* These are switched around */
32 serial0 = &uart1;
33 };
34
35 soc {
36 bus@c4000000 {
37 flash@0,0 {
38 compatible = "intel,ixp4xx-flash", "cfi-flash";
39 bank-width = <2>;
40 /*
41 * 8 MB of Flash in 64 0x20000 sized blocks
42 * mapped in at CS0.
43 */
44 reg = <0 0x00000000 0x800000>;
45
46 /* Configure expansion bus to allow writes */
47 intel,ixp4xx-eb-write-enable = <1>;
48
49 partitions {
50 compatible = "redboot-fis";
51 fis-index-block = <0x3f>;
52 };
53 };
54 };
55
56 pci@c0000000 {
57 status = "okay";
58
59 /*
60 * Taken from WG302 v2 PCI boardfile (wg302v2-pci.c)
61 * We have slots (IDSEL) 1 and 2 with one assigned IRQ
62 * each handling all IRQs.
63 */
64 #interrupt-cells = <1>;
65 interrupt-map-mask = <0xf800 0 0 7>;
66 interrupt-map =
67 /* IDSEL 1 */
68 <0x0800 0 0 1 &gpio0 8 IRQ_TYPE_LEVEL_LOW>, /* INT A on slot 1 is irq 8 */
69 <0x0800 0 0 2 &gpio0 8 IRQ_TYPE_LEVEL_LOW>, /* INT B on slot 1 is irq 8 */
70 <0x0800 0 0 3 &gpio0 8 IRQ_TYPE_LEVEL_LOW>, /* INT C on slot 1 is irq 8 */
71 <0x0800 0 0 4 &gpio0 8 IRQ_TYPE_LEVEL_LOW>, /* INT D on slot 1 is irq 8 */
72 /* IDSEL 2 */
73 <0x1000 0 0 1 &gpio0 9 IRQ_TYPE_LEVEL_LOW>, /* INT A on slot 2 is irq 9 */
74 <0x1000 0 0 2 &gpio0 9 IRQ_TYPE_LEVEL_LOW>, /* INT B on slot 2 is irq 9 */
75 <0x1000 0 0 3 &gpio0 9 IRQ_TYPE_LEVEL_LOW>, /* INT C on slot 2 is irq 9 */
76 <0x1000 0 0 4 &gpio0 9 IRQ_TYPE_LEVEL_LOW>; /* INT D on slot 2 is irq 9 */
77 };
78
79 ethernet@c8009000 {
80 status = "okay";
81 queue-rx = <&qmgr 3>;
82 queue-txready = <&qmgr 20>;
83 phy-mode = "rgmii";
84 phy-handle = <&phy30>;
85
86 mdio {
87 #address-cells = <1>;
88 #size-cells = <0>;
89
90 phy30: ethernet-phy@30 {
91 reg = <30>;
92 };
93 };
94 };
95 };
96 };
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