1/*
2 * Device Tree Source for ESTeem 195E Hotfoot
3 *
4 * Copyright 2009 AbsoluteValue Systems <solomon@linux-wlan.com>
5 *
6 * This file is licensed under the terms of the GNU General Public
7 * License version 2.  This program is licensed "as is" without
8 * any warranty of any kind, whether express or implied.
9 */
10
11/dts-v1/;
12
13/ {
14	#address-cells = <1>;
15	#size-cells = <1>;
16	model = "est,hotfoot";
17	compatible = "est,hotfoot";
18	dcr-parent = <&{/cpus/cpu@0}>;
19
20	aliases {
21		ethernet0 = &EMAC0;
22		ethernet1 = &EMAC1;
23		serial0 = &UART0;
24		serial1 = &UART1;
25	};
26
27	cpus {
28		#address-cells = <1>;
29		#size-cells = <0>;
30
31		cpu@0 {
32			device_type = "cpu";
33			model = "PowerPC,405EP";
34			reg = <0x00000000>;
35			clock-frequency = <0>; /* Filled in by zImage */
36			timebase-frequency = <0>; /* Filled in by zImage */
37			i-cache-line-size = <0x20>;
38			d-cache-line-size = <0x20>;
39			i-cache-size = <0x4000>;
40			d-cache-size = <0x4000>;
41			dcr-controller;
42			dcr-access-method = "native";
43		};
44	};
45
46	memory {
47		device_type = "memory";
48		reg = <0x00000000 0x00000000>; /* Filled in by zImage */
49	};
50
51	UIC0: interrupt-controller {
52		compatible = "ibm,uic";
53		interrupt-controller;
54		cell-index = <0>;
55		dcr-reg = <0x0c0 0x009>;
56		#address-cells = <0>;
57		#size-cells = <0>;
58		#interrupt-cells = <2>;
59	};
60
61	plb {
62		compatible = "ibm,plb3";
63		#address-cells = <1>;
64		#size-cells = <1>;
65		ranges;
66		clock-frequency = <0>; /* Filled in by zImage */
67
68		SDRAM0: memory-controller {
69			compatible = "ibm,sdram-405ep";
70			dcr-reg = <0x010 0x002>;
71		};
72
73		MAL: mcmal {
74			compatible = "ibm,mcmal-405ep", "ibm,mcmal";
75			dcr-reg = <0x180 0x062>;
76			num-tx-chans = <4>;
77			num-rx-chans = <2>;
78			interrupt-parent = <&UIC0>;
79			interrupts = <
80				0xb 0x4 /* TXEOB */
81				0xc 0x4 /* RXEOB */
82				0xa 0x4 /* SERR */
83				0xd 0x4 /* TXDE */
84				0xe 0x4 /* RXDE */>;
85		};
86
87		POB0: opb {
88			compatible = "ibm,opb-405ep", "ibm,opb";
89			#address-cells = <1>;
90			#size-cells = <1>;
91			ranges = <0xef600000 0xef600000 0x00a00000>;
92			dcr-reg = <0x0a0 0x005>;
93			clock-frequency = <0>; /* Filled in by zImage */
94
95			/* Hotfoot has UART0/UART1 swapped */
96
97			UART0: serial@ef600400 {
98				device_type = "serial";
99				compatible = "ns16550";
100				reg = <0xef600400 0x00000008>;
101				virtual-reg = <0xef600400>;
102				clock-frequency = <0>; /* Filled in by zImage */
103				current-speed = <0x9600>;
104				interrupt-parent = <&UIC0>;
105				interrupts = <0x1 0x4>;
106			};
107
108			UART1: serial@ef600300 {
109				device_type = "serial";
110				compatible = "ns16550";
111				reg = <0xef600300 0x00000008>;
112				virtual-reg = <0xef600300>;
113				clock-frequency = <0>; /* Filled in by zImage */
114				current-speed = <0x9600>;
115				interrupt-parent = <&UIC0>;
116				interrupts = <0x0 0x4>;
117			};
118
119			IIC: i2c@ef600500 {
120				#address-cells = <1>;
121				#size-cells = <0>;
122				compatible = "ibm,iic-405ep", "ibm,iic";
123				reg = <0xef600500 0x00000011>;
124				interrupt-parent = <&UIC0>;
125				interrupts = <0x2 0x4>;
126
127				rtc@68 {
128					/* Actually a DS1339 */
129					compatible = "dallas,ds1307";
130					reg = <0x68>;
131				};
132
133				temp@4a {
134					/* Not present on all boards */
135					compatible = "national,lm75";
136					reg = <0x4a>;
137				};
138			};
139
140			GPIO: gpio@ef600700 {
141				#gpio-cells = <2>;
142				compatible = "ibm,ppc4xx-gpio";
143				reg = <0xef600700 0x00000020>;
144				gpio-controller;
145			};
146
147			gpio-leds {
148				compatible = "gpio-leds";
149				status {
150					label = "Status";
151					gpios = <&GPIO 1 0>;
152				};
153				radiorx {
154					label = "Rx";
155					gpios = <&GPIO 0xe 0>;
156				};
157			};
158
159			EMAC0: ethernet@ef600800 {
160				linux,network-index = <0x0>;
161				device_type = "network";
162				compatible = "ibm,emac-405ep", "ibm,emac";
163				interrupt-parent = <&UIC0>;
164				interrupts = <
165					0xf 0x4 /* Ethernet */
166					0x9 0x4 /* Ethernet Wake Up */>;
167				local-mac-address = [000000000000]; /* Filled in by zImage */
168				reg = <0xef600800 0x00000070>;
169				mal-device = <&MAL>;
170				mal-tx-channel = <0>;
171				mal-rx-channel = <0>;
172				cell-index = <0>;
173				max-frame-size = <0x5dc>;
174				rx-fifo-size = <0x1000>;
175				tx-fifo-size = <0x800>;
176				phy-mode = "mii";
177				phy-map = <0x00000000>;
178			};
179
180			EMAC1: ethernet@ef600900 {
181				linux,network-index = <0x1>;
182				device_type = "network";
183				compatible = "ibm,emac-405ep", "ibm,emac";
184				interrupt-parent = <&UIC0>;
185				interrupts = <
186					0x11 0x4 /* Ethernet */
187					0x9 0x4 /* Ethernet Wake Up */>;
188				local-mac-address = [000000000000]; /* Filled in by zImage */
189				reg = <0xef600900 0x00000070>;
190				mal-device = <&MAL>;
191				mal-tx-channel = <2>;
192				mal-rx-channel = <1>;
193				cell-index = <1>;
194				max-frame-size = <0x5dc>;
195				rx-fifo-size = <0x1000>;
196				tx-fifo-size = <0x800>;
197				mdio-device = <&EMAC0>;
198				phy-mode = "mii";
199				phy-map = <0x0000001>;
200			};
201		};
202
203		EBC0: ebc {
204			compatible = "ibm,ebc-405ep", "ibm,ebc";
205			dcr-reg = <0x012 0x002>;
206			#address-cells = <2>;
207			#size-cells = <1>;
208
209			/* The ranges property is supplied by the bootwrapper
210			 * and is based on the firmware's configuration of the
211			 * EBC bridge
212			 */
213			clock-frequency = <0>; /* Filled in by zImage */
214
215			nor_flash@0 {
216				compatible = "cfi-flash";
217				bank-width = <2>;
218				reg = <0x0 0xff800000 0x00800000>;
219				#address-cells = <1>;
220				#size-cells = <1>;
221
222				/* This mapping is for the 8M flash
223				   4M flash has all ofssets -= 4M,
224				   and FeatFS partition is not present */
225				partition@0 {
226					label = "Bootloader";
227					reg = <0x7c0000 0x40000>;
228					/* read-only; */
229				};
230				partition@1 {
231					label = "Env_and_Config_Primary";
232					reg = <0x400000 0x10000>;
233				};
234				partition@2 {
235					label = "Kernel";
236					reg = <0x420000 0x100000>;
237				};
238				partition@3 {
239					label = "Filesystem";
240					reg = <0x520000 0x2a0000>;
241				};
242				partition@4 {
243					label = "Env_and_Config_Secondary";
244					reg = <0x410000 0x10000>;
245				};
246				partition@5 {
247					label = "FeatFS";
248					reg = <0x000000 0x400000>;
249				};
250				partition@6 {
251					label = "Bootloader_Env";
252					reg = <0x7d0000 0x10000>;
253				};
254			};
255		};
256
257		PCI0: pci@ec000000 {
258			device_type = "pci";
259			#interrupt-cells = <1>;
260			#size-cells = <2>;
261			#address-cells = <3>;
262			compatible = "ibm,plb405ep-pci", "ibm,plb-pci";
263			primary;
264			reg = <0xeec00000 0x00000008    /* Config space access */
265				0xeed80000 0x00000004    /* IACK */
266				0xeed80000 0x00000004    /* Special cycle */
267				0xef480000 0x00000040>;  /* Internal registers */
268
269			/* Outbound ranges, one memory and one IO,
270			 * later cannot be changed. Chip supports a second
271			 * IO range but we don't use it for now
272			 */
273			ranges = <0x02000000 0x00000000 0x80000000 0x80000000 0x00000000 0x20000000
274				0x01000000 0x00000000 0x00000000 0xe8000000 0x00000000 0x00010000>;
275
276			/* Inbound 2GB range starting at 0 */
277			dma-ranges = <0x42000000 0x0 0x0 0x0 0x0 0x80000000>;
278
279			interrupt-parent = <&UIC0>;
280			interrupt-map-mask = <0xf800 0x0 0x0 0x7>;
281			interrupt-map = <
282				/* IDSEL 3 -- slot1 (optional) 27/29 A/B IRQ2/4 */
283				0x1800 0x0 0x0 0x1 &UIC0 0x1b 0x8
284				0x1800 0x0 0x0 0x2 &UIC0 0x1d 0x8
285
286				/* IDSEL 4 -- slot0, 26/28 A/B IRQ1/3 */
287				0x2000 0x0 0x0 0x1 &UIC0 0x1a 0x8
288				0x2000 0x0 0x0 0x2 &UIC0 0x1c 0x8
289				>;
290		};
291	};
292
293	chosen {
294		linux,stdout-path = &UART0;
295	};
296};
297