1/*
2 * Device Tree Source for IBM/AMCC Taishan
3 *
4 * Copyright 2007 IBM Corp.
5 * Hugh Blemings <hugh@au.ibm.com> based off code by
6 * Josh Boyer <jwboyer@linux.vnet.ibm.com>, David Gibson <dwg@au1.ibm.com>
7 *
8 * This file is licensed under the terms of the GNU General Public
9 * License version 2.  This program is licensed "as is" without
10 * any warranty of any kind, whether express or implied.
11 */
12
13/dts-v1/;
14
15/ {
16	#address-cells = <2>;
17	#size-cells = <1>;
18	model = "amcc,taishan";
19	compatible = "amcc,taishan";
20	dcr-parent = <&{/cpus/cpu@0}>;
21
22	aliases {
23		ethernet0 = &EMAC2;
24		ethernet1 = &EMAC3;
25		serial0 = &UART0;
26		serial1 = &UART1;
27	};
28
29	cpus {
30		#address-cells = <1>;
31		#size-cells = <0>;
32
33		cpu@0 {
34			device_type = "cpu";
35			model = "PowerPC,440GX";
36			reg = <0x00000000>;
37			clock-frequency = <800000000>; // 800MHz
38			timebase-frequency = <0>; // Filled in by zImage
39			i-cache-line-size = <50>;
40			d-cache-line-size = <50>;
41			i-cache-size = <32768>; /* 32 kB */
42			d-cache-size = <32768>; /* 32 kB */
43			dcr-controller;
44			dcr-access-method = "native";
45		};
46	};
47
48	memory {
49		device_type = "memory";
50		reg = <0x00000000 0x00000000 0x00000000>; // Filled in by zImage
51	};
52
53
54	UICB0: interrupt-controller-base {
55		compatible = "ibm,uic-440gx", "ibm,uic";
56		interrupt-controller;
57		cell-index = <3>;
58		dcr-reg = <0x200 0x009>;
59		#address-cells = <0>;
60		#size-cells = <0>;
61		#interrupt-cells = <2>;
62	};
63
64
65	UIC0: interrupt-controller0 {
66		compatible = "ibm,uic-440gx", "ibm,uic";
67		interrupt-controller;
68		cell-index = <0>;
69		dcr-reg = <0x0c0 0x009>;
70		#address-cells = <0>;
71		#size-cells = <0>;
72		#interrupt-cells = <2>;
73		interrupts = <0x1 0x4 0x0 0x4>; /* cascade - first non-critical */
74		interrupt-parent = <&UICB0>;
75
76	};
77
78	UIC1: interrupt-controller1 {
79		compatible = "ibm,uic-440gx", "ibm,uic";
80		interrupt-controller;
81		cell-index = <1>;
82		dcr-reg = <0x0d0 0x009>;
83		#address-cells = <0>;
84		#size-cells = <0>;
85		#interrupt-cells = <2>;
86		interrupts = <0x3 0x4 0x2 0x4>; /* cascade */
87		interrupt-parent = <&UICB0>;
88	};
89
90	UIC2: interrupt-controller2 {
91		compatible = "ibm,uic-440gx", "ibm,uic";
92		interrupt-controller;
93		cell-index = <2>; /* was 1 */
94		dcr-reg = <0x210 0x009>;
95		#address-cells = <0>;
96		#size-cells = <0>;
97		#interrupt-cells = <2>;
98		interrupts = <0x5 0x4 0x4 0x4>; /* cascade */
99		interrupt-parent = <&UICB0>;
100	};
101
102
103	CPC0: cpc {
104		compatible = "ibm,cpc-440gp";
105		dcr-reg = <0x0b0 0x003 0x0e0 0x010>;
106		// FIXME: anything else?
107	};
108
109	L2C0: l2c {
110		compatible = "ibm,l2-cache-440gx", "ibm,l2-cache";
111		dcr-reg = <0x020 0x008			/* Internal SRAM DCR's */
112			   0x030 0x008>;		/* L2 cache DCR's */
113		cache-line-size = <32>;		/* 32 bytes */
114		cache-size = <262144>;		/* L2, 256K */
115		interrupt-parent = <&UIC2>;
116		interrupts = <0x17 0x1>;
117	};
118
119	plb {
120		compatible = "ibm,plb-440gx", "ibm,plb4";
121		#address-cells = <2>;
122		#size-cells = <1>;
123		ranges;
124		clock-frequency = <160000000>; // 160MHz
125
126		SDRAM0: memory-controller {
127			compatible = "ibm,sdram-440gp";
128			dcr-reg = <0x010 0x002>;
129			// FIXME: anything else?
130		};
131
132		SRAM0: sram {
133			compatible = "ibm,sram-440gp";
134			dcr-reg = <0x020 0x008 0x00a 0x001>;
135		};
136
137		DMA0: dma {
138			// FIXME: ???
139			compatible = "ibm,dma-440gp";
140			dcr-reg = <0x100 0x027>;
141		};
142
143		MAL0: mcmal {
144			compatible = "ibm,mcmal-440gx", "ibm,mcmal2";
145			dcr-reg = <0x180 0x062>;
146			num-tx-chans = <4>;
147			num-rx-chans = <4>;
148			interrupt-parent = <&MAL0>;
149			interrupts = <0x0 0x1 0x2 0x3 0x4>;
150			#interrupt-cells = <1>;
151			#address-cells = <0>;
152			#size-cells = <0>;
153			interrupt-map = </*TXEOB*/ 0x0 &UIC0 0xa 0x4
154					 /*RXEOB*/ 0x1 &UIC0 0xb 0x4
155					 /*SERR*/  0x2 &UIC1 0x0 0x4
156					 /*TXDE*/  0x3 &UIC1 0x1 0x4
157					 /*RXDE*/  0x4 &UIC1 0x2 0x4>;
158			interrupt-map-mask = <0xffffffff>;
159		};
160
161		POB0: opb {
162			compatible = "ibm,opb-440gx", "ibm,opb";
163			#address-cells = <1>;
164			#size-cells = <1>;
165			/* Wish there was a nicer way of specifying a full 32-bit
166			   range */
167			ranges = <0x00000000 0x00000001 0x00000000 0x80000000
168				  0x80000000 0x00000001 0x80000000 0x80000000>;
169			dcr-reg = <0x090 0x00b>;
170			interrupt-parent = <&UIC1>;
171			interrupts = <0x7 0x4>;
172			clock-frequency = <80000000>; // 80MHz
173
174
175			EBC0: ebc {
176				compatible = "ibm,ebc-440gx", "ibm,ebc";
177				dcr-reg = <0x012 0x002>;
178				#address-cells = <2>;
179				#size-cells = <1>;
180				clock-frequency = <80000000>; // 80MHz
181
182				/* ranges property is supplied by zImage
183				 * based on firmware's configuration of the
184				 * EBC bridge */
185
186				interrupts = <0x5 0x4>;
187				interrupt-parent = <&UIC1>;
188
189				nor_flash@0,0 {
190					compatible = "cfi-flash";
191					bank-width = <4>;
192					device-width = <2>;
193					reg = <0x0 0x0 0x4000000>;
194					#address-cells = <1>;
195					#size-cells = <1>;
196					partition@0 {
197						label = "kernel";
198						reg = <0x0 0x180000>;
199					};
200					partition@180000 {
201						label = "root";
202						reg = <0x180000 0x200000>;
203					};
204					partition@380000 {
205						label = "user";
206						reg = <0x380000 0x3bc0000>;
207					};
208					partition@3f40000 {
209						label = "env";
210						reg = <0x3f40000 0x80000>;
211					};
212					partition@3fc0000 {
213						label = "u-boot";
214						reg = <0x3fc0000 0x40000>;
215					};
216				};
217			};
218
219
220
221			UART0: serial@40000200 {
222				device_type = "serial";
223				compatible = "ns16550";
224				reg = <0x40000200 0x00000008>;
225				virtual-reg = <0xe0000200>;
226 				clock-frequency = <11059200>;
227				current-speed = <115200>; /* 115200 */
228				interrupt-parent = <&UIC0>;
229				interrupts = <0x0 0x4>;
230			};
231
232			UART1: serial@40000300 {
233				device_type = "serial";
234				compatible = "ns16550";
235				reg = <0x40000300 0x00000008>;
236				virtual-reg = <0xe0000300>;
237				clock-frequency = <11059200>;
238				current-speed = <115200>; /* 115200 */
239				interrupt-parent = <&UIC0>;
240				interrupts = <0x1 0x4>;
241			};
242
243			IIC0: i2c@40000400 {
244				/* FIXME */
245				compatible = "ibm,iic-440gp", "ibm,iic";
246				reg = <0x40000400 0x00000014>;
247				interrupt-parent = <&UIC0>;
248				interrupts = <0x2 0x4>;
249			};
250			IIC1: i2c@40000500 {
251				/* FIXME */
252				compatible = "ibm,iic-440gp", "ibm,iic";
253				reg = <0x40000500 0x00000014>;
254				interrupt-parent = <&UIC0>;
255				interrupts = <0x3 0x4>;
256			};
257
258			GPIO0: gpio@40000700 {
259				/* FIXME */
260				compatible = "ibm,gpio-440gp";
261				reg = <0x40000700 0x00000020>;
262			};
263
264			ZMII0: emac-zmii@40000780 {
265				compatible = "ibm,zmii-440gx", "ibm,zmii";
266				reg = <0x40000780 0x0000000c>;
267			};
268
269			RGMII0: emac-rgmii@40000790 {
270				compatible = "ibm,rgmii";
271				reg = <0x40000790 0x00000008>;
272			};
273
274			TAH0: emac-tah@40000b50 {
275				compatible = "ibm,tah-440gx", "ibm,tah";
276				reg = <0x40000b50 0x00000030>;
277			};
278
279			TAH1: emac-tah@40000d50 {
280				compatible = "ibm,tah-440gx", "ibm,tah";
281				reg = <0x40000d50 0x00000030>;
282			};
283
284			EMAC0: ethernet@40000800 {
285				unused = <0x1>;
286				device_type = "network";
287				compatible = "ibm,emac-440gx", "ibm,emac4";
288				interrupt-parent = <&UIC1>;
289				interrupts = <0x1c 0x4 0x1d 0x4>;
290				reg = <0x40000800 0x00000074>;
291				local-mac-address = [000000000000]; // Filled in by zImage
292				mal-device = <&MAL0>;
293				mal-tx-channel = <0>;
294				mal-rx-channel = <0>;
295				cell-index = <0>;
296				max-frame-size = <1500>;
297				rx-fifo-size = <4096>;
298				tx-fifo-size = <2048>;
299				phy-mode = "rmii";
300				phy-map = <0x00000001>;
301				zmii-device = <&ZMII0>;
302				zmii-channel = <0>;
303			};
304		 	EMAC1: ethernet@40000900 {
305				unused = <0x1>;
306				device_type = "network";
307				compatible = "ibm,emac-440gx", "ibm,emac4";
308				interrupt-parent = <&UIC1>;
309				interrupts = <0x1e 0x4 0x1f 0x4>;
310				reg = <0x40000900 0x00000074>;
311				local-mac-address = [000000000000]; // Filled in by zImage
312				mal-device = <&MAL0>;
313				mal-tx-channel = <1>;
314				mal-rx-channel = <1>;
315				cell-index = <1>;
316				max-frame-size = <1500>;
317				rx-fifo-size = <4096>;
318				tx-fifo-size = <2048>;
319				phy-mode = "rmii";
320				phy-map = <0x00000001>;
321 				zmii-device = <&ZMII0>;
322				zmii-channel = <1>;
323			};
324
325		 	EMAC2: ethernet@40000c00 {
326				device_type = "network";
327				compatible = "ibm,emac-440gx", "ibm,emac4";
328				interrupt-parent = <&UIC2>;
329				interrupts = <0x0 0x4 0x1 0x4>;
330				reg = <0x40000c00 0x00000074>;
331				local-mac-address = [000000000000]; // Filled in by zImage
332				mal-device = <&MAL0>;
333				mal-tx-channel = <2>;
334				mal-rx-channel = <2>;
335				cell-index = <2>;
336				max-frame-size = <9000>;
337				rx-fifo-size = <4096>;
338				tx-fifo-size = <2048>;
339				phy-mode = "rgmii";
340				phy-address = <1>;
341				rgmii-device = <&RGMII0>;
342				rgmii-channel = <0>;
343 				zmii-device = <&ZMII0>;
344				zmii-channel = <2>;
345				tah-device = <&TAH0>;
346				tah-channel = <0>;
347			};
348
349		 	EMAC3: ethernet@40000e00 {
350				device_type = "network";
351				compatible = "ibm,emac-440gx", "ibm,emac4";
352				interrupt-parent = <&UIC2>;
353				interrupts = <0x2 0x4 0x3 0x4>;
354				reg = <0x40000e00 0x00000074>;
355				local-mac-address = [000000000000]; // Filled in by zImage
356				mal-device = <&MAL0>;
357				mal-tx-channel = <3>;
358				mal-rx-channel = <3>;
359				cell-index = <3>;
360				max-frame-size = <9000>;
361				rx-fifo-size = <4096>;
362				tx-fifo-size = <2048>;
363				phy-mode = "rgmii";
364				phy-address = <3>;
365				rgmii-device = <&RGMII0>;
366				rgmii-channel = <1>;
367 				zmii-device = <&ZMII0>;
368				zmii-channel = <3>;
369				tah-device = <&TAH1>;
370				tah-channel = <0>;
371			};
372
373
374			GPT0: gpt@40000a00 {
375				/* FIXME */
376				reg = <0x40000a00 0x000000d4>;
377				interrupt-parent = <&UIC0>;
378				interrupts = <0x12 0x4 0x13 0x4 0x14 0x4 0x15 0x4 0x16 0x4>;
379			};
380
381		};
382
383		PCIX0: pci@20ec00000 {
384			device_type = "pci";
385			#interrupt-cells = <1>;
386			#size-cells = <2>;
387			#address-cells = <3>;
388			compatible = "ibm,plb440gp-pcix", "ibm,plb-pcix";
389			primary;
390			large-inbound-windows;
391			enable-msi-hole;
392			reg = <0x00000002 0x0ec00000   0x00000008	/* Config space access */
393			       0x00000000 0x00000000 0x00000000		/* no IACK cycles */
394			       0x00000002 0x0ed00000   0x00000004   /* Special cycles */
395			       0x00000002 0x0ec80000 0x00000100	/* Internal registers */
396			       0x00000002 0x0ec80100  0x000000fc>;	/* Internal messaging registers */
397
398			/* Outbound ranges, one memory and one IO,
399			 * later cannot be changed
400			 */
401			ranges = <0x02000000 0x00000000 0x80000000 0x00000003 0x80000000 0x00000000 0x80000000
402				  0x01000000 0x00000000 0x00000000 0x00000002 0x08000000 0x00000000 0x00010000>;
403
404			/* Inbound 2GB range starting at 0 */
405			dma-ranges = <0x42000000 0x0 0x0 0x0 0x0 0x0 0x80000000>;
406
407			interrupt-map-mask = <0xf800 0x0 0x0 0x7>;
408			interrupt-map = <
409				/* IDSEL 1 */
410				0x800 0x0 0x0 0x1 &UIC0 0x17 0x8
411				0x800 0x0 0x0 0x2 &UIC0 0x18 0x8
412				0x800 0x0 0x0 0x3 &UIC0 0x19 0x8
413				0x800 0x0 0x0 0x4 &UIC0 0x1a 0x8
414
415				/* IDSEL 2 */
416				0x1000 0x0 0x0 0x1 &UIC0 0x18 0x8
417				0x1000 0x0 0x0 0x2 &UIC0 0x19 0x8
418				0x1000 0x0 0x0 0x3 &UIC0 0x1a 0x8
419				0x1000 0x0 0x0 0x4 &UIC0 0x17 0x8
420			>;
421		};
422	};
423
424	chosen {
425		linux,stdout-path = "/plb/opb/serial@40000300";
426	};
427};
428