1/*
2 * Device Tree Source for IBM Ebony
3 *
4 * Copyright (c) 2006, 2007 IBM Corp.
5 * Josh Boyer <jwboyer@linux.vnet.ibm.com>, David Gibson <dwg@au1.ibm.com>
6 *
7 * FIXME: Draft only!
8 *
9 * This file is licensed under the terms of the GNU General Public
10 * License version 2.  This program is licensed "as is" without
11 * any warranty of any kind, whether express or implied.
12 */
13
14/ {
15	#address-cells = <2>;
16	#size-cells = <1>;
17	model = "ibm,ebony";
18	compatible = "ibm,ebony";
19	dcr-parent = <&/cpus/cpu@0>;
20
21	aliases {
22		ethernet0 = &EMAC0;
23		ethernet1 = &EMAC1;
24		serial0 = &UART0;
25		serial1 = &UART1;
26	};
27
28	cpus {
29		#address-cells = <1>;
30		#size-cells = <0>;
31
32		cpu@0 {
33			device_type = "cpu";
34			model = "PowerPC,440GP";
35			reg = <0>;
36			clock-frequency = <0>; // Filled in by zImage
37			timebase-frequency = <0>; // Filled in by zImage
38			i-cache-line-size = <20>;
39			d-cache-line-size = <20>;
40			i-cache-size = <8000>; /* 32 kB */
41			d-cache-size = <8000>; /* 32 kB */
42			dcr-controller;
43			dcr-access-method = "native";
44		};
45	};
46
47	memory {
48		device_type = "memory";
49		reg = <0 0 0>; // Filled in by zImage
50	};
51
52	UIC0: interrupt-controller0 {
53		compatible = "ibm,uic-440gp", "ibm,uic";
54		interrupt-controller;
55		cell-index = <0>;
56		dcr-reg = <0c0 009>;
57		#address-cells = <0>;
58		#size-cells = <0>;
59		#interrupt-cells = <2>;
60
61	};
62
63	UIC1: interrupt-controller1 {
64		compatible = "ibm,uic-440gp", "ibm,uic";
65		interrupt-controller;
66		cell-index = <1>;
67		dcr-reg = <0d0 009>;
68		#address-cells = <0>;
69		#size-cells = <0>;
70		#interrupt-cells = <2>;
71		interrupts = <1e 4 1f 4>; /* cascade */
72		interrupt-parent = <&UIC0>;
73	};
74
75	CPC0: cpc {
76		compatible = "ibm,cpc-440gp";
77		dcr-reg = <0b0 003 0e0 010>;
78		// FIXME: anything else?
79	};
80
81	plb {
82		compatible = "ibm,plb-440gp", "ibm,plb4";
83		#address-cells = <2>;
84		#size-cells = <1>;
85		ranges;
86		clock-frequency = <0>; // Filled in by zImage
87
88		SDRAM0: memory-controller {
89			compatible = "ibm,sdram-440gp";
90			dcr-reg = <010 2>;
91			// FIXME: anything else?
92		};
93
94		SRAM0: sram {
95			compatible = "ibm,sram-440gp";
96			dcr-reg = <020 8 00a 1>;
97		};
98
99		DMA0: dma {
100			// FIXME: ???
101			compatible = "ibm,dma-440gp";
102			dcr-reg = <100 027>;
103		};
104
105		MAL0: mcmal {
106			compatible = "ibm,mcmal-440gp", "ibm,mcmal";
107			dcr-reg = <180 62>;
108			num-tx-chans = <4>;
109			num-rx-chans = <4>;
110			interrupt-parent = <&MAL0>;
111			interrupts = <0 1 2 3 4>;
112			#interrupt-cells = <1>;
113			#address-cells = <0>;
114			#size-cells = <0>;
115			interrupt-map = </*TXEOB*/ 0 &UIC0 a 4
116					 /*RXEOB*/ 1 &UIC0 b 4
117					 /*SERR*/  2 &UIC1 0 4
118					 /*TXDE*/  3 &UIC1 1 4
119					 /*RXDE*/  4 &UIC1 2 4>;
120			interrupt-map-mask = <ffffffff>;
121		};
122
123		POB0: opb {
124			compatible = "ibm,opb-440gp", "ibm,opb";
125			#address-cells = <1>;
126			#size-cells = <1>;
127			/* Wish there was a nicer way of specifying a full 32-bit
128			   range */
129			ranges = <00000000 1 00000000 80000000
130				  80000000 1 80000000 80000000>;
131			dcr-reg = <090 00b>;
132			interrupt-parent = <&UIC1>;
133			interrupts = <7 4>;
134			clock-frequency = <0>; // Filled in by zImage
135
136			EBC0: ebc {
137				compatible = "ibm,ebc-440gp", "ibm,ebc";
138				dcr-reg = <012 2>;
139				#address-cells = <2>;
140				#size-cells = <1>;
141				clock-frequency = <0>; // Filled in by zImage
142				// ranges property is supplied by zImage
143				// based on firmware's configuration of the
144				// EBC bridge
145				interrupts = <5 4>;
146				interrupt-parent = <&UIC1>;
147
148				small-flash@0,80000 {
149					compatible = "jedec-flash";
150					bank-width = <1>;
151					reg = <0 80000 80000>;
152					#address-cells = <1>;
153					#size-cells = <1>;
154					partition@0 {
155						label = "OpenBIOS";
156						reg = <0 80000>;
157						read-only;
158					};
159				};
160
161				nvram@1,0 {
162					/* NVRAM & RTC */
163					compatible = "ds1743-nvram";
164					#bytes = <2000>;
165					reg = <1 0 2000>;
166				};
167
168				large-flash@2,0 {
169					compatible = "jedec-flash";
170					bank-width = <1>;
171					reg = <2 0 400000>;
172					#address-cells = <1>;
173					#size-cells = <1>;
174					partition@0 {
175						label = "fs";
176						reg = <0 380000>;
177					};
178					partition@380000 {
179						label = "firmware";
180						reg = <380000 80000>;
181					};
182				};
183
184				ir@3,0 {
185					reg = <3 0 10>;
186				};
187
188				fpga@7,0 {
189					compatible = "Ebony-FPGA";
190					reg = <7 0 10>;
191					virtual-reg = <e8300000>;
192				};
193			};
194
195			UART0: serial@40000200 {
196				device_type = "serial";
197				compatible = "ns16550";
198				reg = <40000200 8>;
199				virtual-reg = <e0000200>;
200				clock-frequency = <A8C000>;
201				current-speed = <2580>;
202				interrupt-parent = <&UIC0>;
203				interrupts = <0 4>;
204			};
205
206			UART1: serial@40000300 {
207				device_type = "serial";
208				compatible = "ns16550";
209				reg = <40000300 8>;
210				virtual-reg = <e0000300>;
211				clock-frequency = <A8C000>;
212				current-speed = <2580>;
213				interrupt-parent = <&UIC0>;
214				interrupts = <1 4>;
215			};
216
217			IIC0: i2c@40000400 {
218				/* FIXME */
219				compatible = "ibm,iic-440gp", "ibm,iic";
220				reg = <40000400 14>;
221				interrupt-parent = <&UIC0>;
222				interrupts = <2 4>;
223			};
224			IIC1: i2c@40000500 {
225				/* FIXME */
226				compatible = "ibm,iic-440gp", "ibm,iic";
227				reg = <40000500 14>;
228				interrupt-parent = <&UIC0>;
229				interrupts = <3 4>;
230			};
231
232			GPIO0: gpio@40000700 {
233				/* FIXME */
234				compatible = "ibm,gpio-440gp";
235				reg = <40000700 20>;
236			};
237
238			ZMII0: emac-zmii@40000780 {
239				compatible = "ibm,zmii-440gp", "ibm,zmii";
240				reg = <40000780 c>;
241			};
242
243			EMAC0: ethernet@40000800 {
244				device_type = "network";
245				compatible = "ibm,emac-440gp", "ibm,emac";
246				interrupt-parent = <&UIC1>;
247				interrupts = <1c 4 1d 4>;
248				reg = <40000800 70>;
249				local-mac-address = [000000000000]; // Filled in by zImage
250				mal-device = <&MAL0>;
251				mal-tx-channel = <0 1>;
252				mal-rx-channel = <0>;
253				cell-index = <0>;
254				max-frame-size = <5dc>;
255				rx-fifo-size = <1000>;
256				tx-fifo-size = <800>;
257				phy-mode = "rmii";
258				phy-map = <00000001>;
259				zmii-device = <&ZMII0>;
260				zmii-channel = <0>;
261			};
262			EMAC1: ethernet@40000900 {
263				device_type = "network";
264				compatible = "ibm,emac-440gp", "ibm,emac";
265				interrupt-parent = <&UIC1>;
266				interrupts = <1e 4 1f 4>;
267				reg = <40000900 70>;
268				local-mac-address = [000000000000]; // Filled in by zImage
269				mal-device = <&MAL0>;
270				mal-tx-channel = <2 3>;
271				mal-rx-channel = <1>;
272				cell-index = <1>;
273				max-frame-size = <5dc>;
274				rx-fifo-size = <1000>;
275				tx-fifo-size = <800>;
276				phy-mode = "rmii";
277				phy-map = <00000001>;
278				zmii-device = <&ZMII0>;
279				zmii-channel = <1>;
280			};
281
282
283			GPT0: gpt@40000a00 {
284				/* FIXME */
285				reg = <40000a00 d4>;
286				interrupt-parent = <&UIC0>;
287				interrupts = <12 4 13 4 14 4 15 4 16 4>;
288			};
289
290		};
291
292		PCIX0: pci@20ec00000 {
293			device_type = "pci";
294			#interrupt-cells = <1>;
295			#size-cells = <2>;
296			#address-cells = <3>;
297			compatible = "ibm,plb440gp-pcix", "ibm,plb-pcix";
298			primary;
299			reg = <2 0ec00000 8	/* Config space access */
300			       0 0 0		/* no IACK cycles */
301			       2 0ed00000 4     /* Special cycles */
302			       2 0ec80000 f0	/* Internal registers */
303			       2 0ec80100 fc>;	/* Internal messaging registers */
304
305			/* Outbound ranges, one memory and one IO,
306			 * later cannot be changed
307			 */
308			ranges = <02000000 0 80000000 00000003 80000000 0 80000000
309				  01000000 0 00000000 00000002 08000000 0 00010000>;
310
311			/* Inbound 2GB range starting at 0 */
312			dma-ranges = <42000000 0 0 0 0 0 80000000>;
313
314			/* Ebony has all 4 IRQ pins tied together per slot */
315			interrupt-map-mask = <f800 0 0 0>;
316			interrupt-map = <
317				/* IDSEL 1 */
318				0800 0 0 0 &UIC0 17 8
319
320				/* IDSEL 2 */
321				1000 0 0 0 &UIC0 18 8
322
323				/* IDSEL 3 */
324				1800 0 0 0 &UIC0 19 8
325
326				/* IDSEL 4 */
327				2000 0 0 0 &UIC0 1a 8
328			>;
329		};
330	};
331
332	chosen {
333		linux,stdout-path = "/plb/opb/serial@40000200";
334	};
335};
336