xref: /openbmc/qemu/pc-bios/bamboo.dts (revision c36dd41b)
1/*
2 * Device Tree Source for AMCC Bamboo
3 *
4 * Copyright (c) 2006, 2007 IBM Corp.
5 * Josh Boyer <jwboyer@linux.vnet.ibm.com>
6 *
7 * This file is licensed under the terms of the GNU General Public
8 * License version 2.  This program is licensed "as is" without
9 * any warranty of any kind, whether express or implied.
10 */
11
12/dts-v1/;
13
14/ {
15	#address-cells = <2>;
16	#size-cells = <1>;
17	model = "amcc,bamboo";
18	compatible = "amcc,bamboo";
19	dcr-parent = <&{/cpus/cpu@0}>;
20
21	aliases {
22		serial0 = &UART0;
23		serial1 = &UART1;
24	};
25
26	cpus {
27		#address-cells = <1>;
28		#size-cells = <0>;
29
30		cpu@0 {
31			device_type = "cpu";
32			model = "PowerPC,440EP";
33			reg = <0>;
34			clock-frequency = <0x1fca0550>;
35			timebase-frequency = <0x017d7840>;
36			i-cache-line-size = <0x20>;
37			d-cache-line-size = <0x20>;
38			i-cache-size = <0x8000>;
39			d-cache-size = <0x8000>;
40			dcr-controller;
41			dcr-access-method = "native";
42		};
43	};
44
45	memory {
46		device_type = "memory";
47		reg = <0x0 0x0 0x9000000>;
48	};
49
50	UIC0: interrupt-controller0 {
51		compatible = "ibm,uic-440ep","ibm,uic";
52		interrupt-controller;
53		cell-index = <0x0>;
54		dcr-reg = <0x0c0 0x009>;
55		#address-cells = <0x0>;
56		#size-cells = <0x0>;
57		#interrupt-cells = <0x2>;
58	};
59
60	SDR0: sdr {
61		compatible = "ibm,sdr-440ep";
62		dcr-reg = <0x00e 0x002>;
63	};
64
65	CPR0: cpr {
66		compatible = "ibm,cpr-440ep";
67		dcr-reg = <0x00c 0x002>;
68	};
69
70	plb {
71		compatible = "ibm,plb-440ep", "ibm,plb-440gp", "ibm,plb4";
72		#address-cells = <2>;
73		#size-cells = <1>;
74		ranges;
75		clock-frequency = <0x07f28154>;
76
77		SDRAM0: sdram {
78			compatible = "ibm,sdram-440ep", "ibm,sdram-405gp";
79			dcr-reg = <0x010 0x2>;
80		};
81
82		DMA0: dma {
83			compatible = "ibm,dma-440ep", "ibm,dma-440gp";
84			dcr-reg = <0x100 0x027>;
85		};
86
87		POB0: opb {
88			compatible = "ibm,opb-440ep", "ibm,opb-440gp", "ibm,opb";
89			#address-cells = <1>;
90			#size-cells = <1>;
91			/* Bamboo is oddball in the 44x world and doesn't use the ERPN
92			 * bits.
93			 */
94			ranges = <0x00000000 0x0 0x00000000 0x80000000
95			          0x80000000 0x0 0x80000000 0x80000000>;
96			/* interrupt-parent = <&UIC1>; */
97			interrupts = <7 4>;
98			clock-frequency = <0x03f940aa>;
99
100			EBC0: ebc {
101				compatible = "ibm,ebc-440ep", "ibm,ebc-440gp", "ibm,ebc";
102				dcr-reg = <0x012 2>;
103				#address-cells = <2>;
104				#size-cells = <1>;
105				clock-frequency = <0x03f940aa>;
106				interrupts = <5 1>;
107			/* interrupt-parent = <&UIC1>; */
108			};
109
110			UART0: serial@ef600300 {
111				device_type = "serial";
112				compatible = "ns16550";
113				reg = <0xef600300 8>;
114				virtual-reg = <0xef600300>;
115				clock-frequency = <0x00a8c000>;
116				current-speed = <0x1c200>;
117				interrupt-parent = <&UIC0>;
118				interrupts = <0 4>;
119			};
120
121			UART1: serial@ef600400 {
122				device_type = "serial";
123				compatible = "ns16550";
124				reg = <0xef600400 8>;
125				virtual-reg = <0xef600400>;
126				clock-frequency = <0x00a8c000>;
127				current-speed = <0>;
128				interrupt-parent = <&UIC0>;
129				interrupts = <1 4>;
130			};
131
132			IIC0: i2c@ef600700 {
133				device_type = "i2c";
134				compatible = "ibm,iic-440ep", "ibm,iic-440gp", "ibm,iic";
135				reg = <0xef600700 0x14>;
136				interrupt-parent = <&UIC0>;
137				interrupts = <2 4>;
138			};
139
140			IIC1: i2c@ef600800 {
141				device_type = "i2c";
142				compatible = "ibm,iic-440ep", "ibm,iic-440gp", "ibm,iic";
143				reg = <0xef600800 14>;
144				interrupt-parent = <&UIC0>;
145				interrupts = <7 4>;
146			};
147
148			ZMII0: emac-zmii@ef600d00 {
149				device_type = "zmii-interface";
150				compatible = "ibm,zmii-440ep", "ibm,zmii-440gp", "ibm,zmii";
151				reg = <0xef600d00 0xc>;
152			};
153
154		};
155
156		PCI0: pci@ec000000 {
157			device_type = "pci";
158			#interrupt-cells = <1>;
159			#size-cells = <2>;
160			#address-cells = <3>;
161			compatible = "ibm,plb440ep-pci", "ibm,plb-pci";
162			primary;
163			reg = <0 0xeec00000 8     /* Config space access */
164			       0 0xeed00000 4     /* IACK */
165			       0 0xeed00000 4     /* Special cycle */
166			       0 0xef400000 0x40>;  /* Internal registers */
167
168			/* Outbound ranges, one memory and one IO,
169			 * later cannot be changed. Chip supports a second
170			 * IO range but we don't use it for now
171			 */
172			ranges = <0x02000000 0 0xa0000000 0 0xa0000000 0 0x20000000
173				  0x01000000 0 0x00000000 0 0xe8000000 0 0x00010000>;
174
175			/* Inbound 2GB range starting at 0 */
176			dma-ranges = <0x42000000 0 0 0 0 0 0x80000000>;
177
178			/* Bamboo has all 4 IRQ pins tied together per slot */
179			interrupt-map-mask = <0xf800 0 0 0>;
180			interrupt-map = <
181				/* IDSEL 1 */
182				0x0800 0 0 0 &UIC0 0x1c 8
183
184				/* IDSEL 2 */
185				0x1000 0 0 0 &UIC0 0x1b 8
186
187				/* IDSEL 3 */
188				0x1800 0 0 0 &UIC0 0x1a 8
189
190				/* IDSEL 4 */
191				0x2000 0 0 0 &UIC0 0x19 8
192			>;
193		};
194
195	};
196
197	chosen {
198		linux,stdout-path = "/plb/opb/serial@ef600300";
199	};
200};
201