xref: /OK3568_Linux_fs/kernel/arch/powerpc/boot/dts/sbc8548-altflash.dts (revision 4882a59341e53eb6f0b4789bf948001014eff981)
1*4882a593Smuzhiyun// SPDX-License-Identifier: GPL-2.0-or-later
2*4882a593Smuzhiyun/*
3*4882a593Smuzhiyun * SBC8548 Device Tree Source
4*4882a593Smuzhiyun *
5*4882a593Smuzhiyun * Configured for booting off the alternate (64MB SODIMM) flash.
6*4882a593Smuzhiyun * Requires switching JP12 jumpers and changing SW2.8 setting.
7*4882a593Smuzhiyun *
8*4882a593Smuzhiyun * Copyright 2013 Wind River Systems Inc.
9*4882a593Smuzhiyun *
10*4882a593Smuzhiyun * Paul Gortmaker (see MAINTAINERS for contact information)
11*4882a593Smuzhiyun */
12*4882a593Smuzhiyun
13*4882a593Smuzhiyun
14*4882a593Smuzhiyun/dts-v1/;
15*4882a593Smuzhiyun
16*4882a593Smuzhiyun/include/ "sbc8548-pre.dtsi"
17*4882a593Smuzhiyun
18*4882a593Smuzhiyun/{
19*4882a593Smuzhiyun	localbus@e0000000 {
20*4882a593Smuzhiyun		#address-cells = <2>;
21*4882a593Smuzhiyun		#size-cells = <1>;
22*4882a593Smuzhiyun		compatible = "simple-bus";
23*4882a593Smuzhiyun		reg = <0xe0000000 0x5000>;
24*4882a593Smuzhiyun		interrupt-parent = <&mpic>;
25*4882a593Smuzhiyun
26*4882a593Smuzhiyun		ranges = <0x0 0x0 0xfc000000 0x04000000		/*64MB Flash*/
27*4882a593Smuzhiyun			  0x3 0x0 0xf0000000 0x04000000		/*64MB SDRAM*/
28*4882a593Smuzhiyun			  0x4 0x0 0xf4000000 0x04000000 	/*64MB SDRAM*/
29*4882a593Smuzhiyun			  0x5 0x0 0xf8000000 0x00b10000		/* EPLD */
30*4882a593Smuzhiyun			  0x6 0x0 0xef800000 0x00800000>;	/*8MB Flash*/
31*4882a593Smuzhiyun
32*4882a593Smuzhiyun		flash@0,0 {
33*4882a593Smuzhiyun			#address-cells = <1>;
34*4882a593Smuzhiyun			#size-cells = <1>;
35*4882a593Smuzhiyun			reg = <0x0 0x0 0x04000000>;
36*4882a593Smuzhiyun			compatible = "intel,JS28F128", "cfi-flash";
37*4882a593Smuzhiyun			bank-width = <4>;
38*4882a593Smuzhiyun			device-width = <1>;
39*4882a593Smuzhiyun			partition@0 {
40*4882a593Smuzhiyun				label = "space";
41*4882a593Smuzhiyun				/* FC000000 -> FFEFFFFF */
42*4882a593Smuzhiyun				reg = <0x00000000 0x03f00000>;
43*4882a593Smuzhiyun			};
44*4882a593Smuzhiyun			partition@3f00000 {
45*4882a593Smuzhiyun				label = "bootloader";
46*4882a593Smuzhiyun				/* FFF00000 -> FFFFFFFF */
47*4882a593Smuzhiyun				reg = <0x03f00000 0x00100000>;
48*4882a593Smuzhiyun				read-only;
49*4882a593Smuzhiyun			};
50*4882a593Smuzhiyun                };
51*4882a593Smuzhiyun
52*4882a593Smuzhiyun
53*4882a593Smuzhiyun		epld@5,0 {
54*4882a593Smuzhiyun			compatible = "wrs,epld-localbus";
55*4882a593Smuzhiyun			#address-cells = <2>;
56*4882a593Smuzhiyun			#size-cells = <1>;
57*4882a593Smuzhiyun			reg = <0x5 0x0 0x00b10000>;
58*4882a593Smuzhiyun			ranges = <
59*4882a593Smuzhiyun				0x0 0x0 0x5 0x000000 0x1fff	/* LED */
60*4882a593Smuzhiyun				0x1 0x0 0x5 0x100000 0x1fff	/* Switches */
61*4882a593Smuzhiyun				0x3 0x0 0x5 0x300000 0x1fff	/* HW Rev. */
62*4882a593Smuzhiyun				0xb 0x0	0x5 0xb00000 0x1fff	/* EEPROM */
63*4882a593Smuzhiyun			>;
64*4882a593Smuzhiyun
65*4882a593Smuzhiyun			led@0,0 {
66*4882a593Smuzhiyun				compatible = "led";
67*4882a593Smuzhiyun				reg = <0x0 0x0 0x1fff>;
68*4882a593Smuzhiyun			};
69*4882a593Smuzhiyun
70*4882a593Smuzhiyun			switches@1,0 {
71*4882a593Smuzhiyun				compatible = "switches";
72*4882a593Smuzhiyun				reg = <0x1 0x0 0x1fff>;
73*4882a593Smuzhiyun			};
74*4882a593Smuzhiyun
75*4882a593Smuzhiyun			hw-rev@3,0 {
76*4882a593Smuzhiyun				compatible = "hw-rev";
77*4882a593Smuzhiyun				reg = <0x3 0x0 0x1fff>;
78*4882a593Smuzhiyun			};
79*4882a593Smuzhiyun
80*4882a593Smuzhiyun			eeprom@b,0 {
81*4882a593Smuzhiyun				compatible = "eeprom";
82*4882a593Smuzhiyun				reg = <0xb 0 0x1fff>;
83*4882a593Smuzhiyun			};
84*4882a593Smuzhiyun
85*4882a593Smuzhiyun		};
86*4882a593Smuzhiyun
87*4882a593Smuzhiyun		alt-flash@6,0 {
88*4882a593Smuzhiyun			#address-cells = <1>;
89*4882a593Smuzhiyun			#size-cells = <1>;
90*4882a593Smuzhiyun			compatible = "intel,JS28F640", "cfi-flash";
91*4882a593Smuzhiyun			reg = <0x6 0x0 0x800000>;
92*4882a593Smuzhiyun			bank-width = <1>;
93*4882a593Smuzhiyun			device-width = <1>;
94*4882a593Smuzhiyun			partition@0 {
95*4882a593Smuzhiyun				label = "space";
96*4882a593Smuzhiyun				/* EF800000 -> EFF9FFFF */
97*4882a593Smuzhiyun				reg = <0x00000000 0x007a0000>;
98*4882a593Smuzhiyun			};
99*4882a593Smuzhiyun			partition@7a0000 {
100*4882a593Smuzhiyun				label = "bootloader";
101*4882a593Smuzhiyun				/* EFFA0000 -> EFFFFFFF */
102*4882a593Smuzhiyun				reg = <0x007a0000 0x00060000>;
103*4882a593Smuzhiyun				read-only;
104*4882a593Smuzhiyun			};
105*4882a593Smuzhiyun		};
106*4882a593Smuzhiyun
107*4882a593Smuzhiyun
108*4882a593Smuzhiyun        };
109*4882a593Smuzhiyun};
110*4882a593Smuzhiyun
111*4882a593Smuzhiyun/include/ "sbc8548-post.dtsi"
112