1/*
2 * Device Tree Source for IBM Embedded PPC 476 Platform
3 *
4 * Copyright © 2011 Tony Breeds IBM Corporation
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/memreserve/ 0x01f00000 0x00100000;	// spin table
14
15/ {
16	#address-cells = <2>;
17	#size-cells = <2>;
18	model = "ibm,currituck";
19	compatible = "ibm,currituck";
20	dcr-parent = <&{/cpus/cpu@0}>;
21
22	aliases {
23		serial0 = &UART0;
24	};
25
26	cpus {
27		#address-cells = <1>;
28		#size-cells = <0>;
29
30		cpu@0 {
31			device_type = "cpu";
32			model = "PowerPC,476";
33			reg = <0>;
34			clock-frequency = <1600000000>; // 1.6 GHz
35			timebase-frequency = <100000000>; // 100Mhz
36			i-cache-line-size = <32>;
37			d-cache-line-size = <32>;
38			i-cache-size = <32768>;
39			d-cache-size = <32768>;
40			dcr-controller;
41			dcr-access-method = "native";
42			status = "okay";
43		};
44		cpu@1 {
45			device_type = "cpu";
46			model = "PowerPC,476";
47			reg = <1>;
48			clock-frequency = <1600000000>; // 1.6 GHz
49			timebase-frequency = <100000000>; // 100Mhz
50			i-cache-line-size = <32>;
51			d-cache-line-size = <32>;
52			i-cache-size = <32768>;
53			d-cache-size = <32768>;
54			dcr-controller;
55			dcr-access-method = "native";
56			status = "disabled";
57			enable-method = "spin-table";
58			cpu-release-addr = <0x0 0x01f00000>;
59		};
60	};
61
62	memory {
63		device_type = "memory";
64		reg = <0x0 0x0 0x0 0x0>; // filled in by zImage
65	};
66
67	MPIC: interrupt-controller {
68		compatible = "chrp,open-pic";
69		interrupt-controller;
70		dcr-reg = <0xffc00000 0x00040000>;
71		#address-cells = <0>;
72		#size-cells = <0>;
73		#interrupt-cells = <2>;
74
75	};
76
77	plb {
78		compatible = "ibm,plb6";
79		#address-cells = <2>;
80		#size-cells = <2>;
81		ranges;
82		clock-frequency = <200000000>; // 200Mhz
83
84		POB0: opb {
85			compatible = "ibm,opb-4xx", "ibm,opb";
86			#address-cells = <1>;
87			#size-cells = <1>;
88			/* Wish there was a nicer way of specifying a full
89			 * 32-bit range
90			 */
91			ranges = <0x00000000 0x00000200 0x00000000 0x80000000
92				  0x80000000 0x00000200 0x80000000 0x80000000>;
93			clock-frequency = <100000000>;
94
95			UART0: serial@10000000 {
96				device_type = "serial";
97				compatible = "ns16750", "ns16550";
98				reg = <0x10000000 0x00000008>;
99				virtual-reg = <0xe1000000>;
100				clock-frequency = <1851851>; // PCIe refclk/MCGC0_CTL[UART]
101				current-speed = <115200>;
102				interrupt-parent = <&MPIC>;
103				interrupts = <34 2>;
104			};
105
106			FPGA0: fpga@50000000 {
107				compatible = "ibm,currituck-fpga";
108				reg = <0x50000000 0x4>;
109			};
110
111			IIC0: i2c@0 {
112				compatible = "ibm,iic-currituck", "ibm,iic";
113				reg = <0x0 0x00000014>;
114				interrupt-parent = <&MPIC>;
115				interrupts = <79 2>;
116				#address-cells = <1>;
117				#size-cells = <0>;
118                                rtc@68 {
119                                        compatible = "st,m41t80", "m41st85";
120                                        reg = <0x68>;
121                                };
122			};
123		};
124
125		PCIE0: pciex@10100000000 {		// 4xGBIF1
126			device_type = "pci";
127			#interrupt-cells = <1>;
128			#size-cells = <2>;
129			#address-cells = <3>;
130			compatible = "ibm,plb-pciex-476fpe", "ibm,plb-pciex";
131			primary;
132			port = <0x0>; /* port number */
133			reg = <0x00000101 0x00000000 0x0 0x10000000		/* Config space access */
134			       0x00000100 0x00000000 0x0 0x00001000>;	/* UTL Registers space access */
135			dcr-reg = <0x80 0x20>;
136
137//                                pci_space  < pci_addr          > < cpu_addr          > < size       >
138			ranges = <0x02000000 0x00000000 0x80000000 0x00000110 0x80000000 0x0 0x80000000
139			          0x01000000 0x0        0x0        0x00000140 0x0        0x0 0x00010000>;
140
141			/* Inbound starting at 0 to memsize filled in by zImage */
142			dma-ranges = <0x42000000 0x0 0x0 0x0 0x0 0x0 0x0>;
143
144			/* This drives busses 0 to 0xf */
145			bus-range = <0x0 0xf>;
146
147			/* Legacy interrupts (note the weird polarity, the bridge seems
148			 * to invert PCIe legacy interrupts).
149			 * We are de-swizzling here because the numbers are actually for
150			 * port of the root complex virtual P2P bridge. But I want
151			 * to avoid putting a node for it in the tree, so the numbers
152			 * below are basically de-swizzled numbers.
153			 * The real slot is on idsel 0, so the swizzling is 1:1
154			 */
155			interrupt-map-mask = <0x0 0x0 0x0 0x7>;
156			interrupt-map = <
157				0x0 0x0 0x0 0x1 &MPIC 46 0x2 /* int A */
158				0x0 0x0 0x0 0x2 &MPIC 47 0x2 /* int B */
159				0x0 0x0 0x0 0x3 &MPIC 48 0x2 /* int C */
160				0x0 0x0 0x0 0x4 &MPIC 49 0x2 /* int D */>;
161		};
162
163		PCIE1: pciex@30100000000 {		// 4xGBIF0
164			device_type = "pci";
165			#interrupt-cells = <1>;
166			#size-cells = <2>;
167			#address-cells = <3>;
168			compatible = "ibm,plb-pciex-476fpe", "ibm,plb-pciex";
169			primary;
170			port = <0x1>; /* port number */
171			reg = <0x00000301 0x00000000 0x0 0x10000000		/* Config space access */
172			       0x00000300 0x00000000 0x0 0x00001000>;	/* UTL Registers space access */
173			dcr-reg = <0x60 0x20>;
174
175			ranges = <0x02000000 0x00000000 0x80000000 0x00000310 0x80000000 0x0 0x80000000
176			          0x01000000 0x0        0x0        0x00000340 0x0        0x0 0x00010000>;
177
178			/* Inbound starting at 0 to memsize filled in by zImage */
179			dma-ranges = <0x42000000 0x0 0x0 0x0 0x0 0x0 0x0>;
180
181			/* This drives busses 0 to 0xf */
182			bus-range = <0x0 0xf>;
183
184			/* Legacy interrupts (note the weird polarity, the bridge seems
185			 * to invert PCIe legacy interrupts).
186			 * We are de-swizzling here because the numbers are actually for
187			 * port of the root complex virtual P2P bridge. But I want
188			 * to avoid putting a node for it in the tree, so the numbers
189			 * below are basically de-swizzled numbers.
190			 * The real slot is on idsel 0, so the swizzling is 1:1
191			 */
192			interrupt-map-mask = <0x0 0x0 0x0 0x7>;
193			interrupt-map = <
194				0x0 0x0 0x0 0x1 &MPIC 38 0x2 /* int A */
195				0x0 0x0 0x0 0x2 &MPIC 39 0x2 /* int B */
196				0x0 0x0 0x0 0x3 &MPIC 40 0x2 /* int C */
197				0x0 0x0 0x0 0x4 &MPIC 41 0x2 /* int D */>;
198		};
199
200		PCIE2: pciex@38100000000 {		// 2xGBIF0
201			device_type = "pci";
202			#interrupt-cells = <1>;
203			#size-cells = <2>;
204			#address-cells = <3>;
205			compatible = "ibm,plb-pciex-476fpe", "ibm,plb-pciex";
206			primary;
207			port = <0x2>; /* port number */
208			reg = <0x00000381 0x00000000 0x0 0x10000000		/* Config space access */
209			       0x00000380 0x00000000 0x0 0x00001000>;	/* UTL Registers space access */
210			dcr-reg = <0xA0 0x20>;
211
212			ranges = <0x02000000 0x00000000 0x80000000 0x00000390 0x80000000 0x0 0x80000000
213			          0x01000000 0x0        0x0        0x000003C0 0x0        0x0 0x00010000>;
214
215			/* Inbound starting at 0 to memsize filled in by zImage */
216			dma-ranges = <0x42000000 0x0 0x0 0x0 0x0 0x0 0x0>;
217
218			/* This drives busses 0 to 0xf */
219			bus-range = <0x0 0xf>;
220
221			/* Legacy interrupts (note the weird polarity, the bridge seems
222			 * to invert PCIe legacy interrupts).
223			 * We are de-swizzling here because the numbers are actually for
224			 * port of the root complex virtual P2P bridge. But I want
225			 * to avoid putting a node for it in the tree, so the numbers
226			 * below are basically de-swizzled numbers.
227			 * The real slot is on idsel 0, so the swizzling is 1:1
228			 */
229			interrupt-map-mask = <0x0 0x0 0x0 0x7>;
230			interrupt-map = <
231				0x0 0x0 0x0 0x1 &MPIC 54 0x2 /* int A */
232				0x0 0x0 0x0 0x2 &MPIC 55 0x2 /* int B */
233				0x0 0x0 0x0 0x3 &MPIC 56 0x2 /* int C */
234				0x0 0x0 0x0 0x4 &MPIC 57 0x2 /* int D */>;
235		};
236
237	};
238
239	chosen {
240		stdout-path = &UART0;
241	};
242};
243