1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
|
/*
* Copyright (C) 2011 Texas Instruments Incorporated - http://www.ti.com/
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*/
/*
* Carveout for multimedia usecases
* It should be the last 48MB of the first 512MB memory part
* In theory, it should not even exist. That zone should be reserved
* dynamically during the .reserve callback.
*/
/memreserve/ 0x9d000000 0x03000000;
/include/ "skeleton.dtsi"
/ {
compatible = "ti,omap4430", "ti,omap4";
interrupt-parent = <&gic>;
aliases {
serial0 = &uart1;
serial1 = &uart2;
serial2 = &uart3;
serial3 = &uart4;
};
cpus {
cpu@0 {
compatible = "arm,cortex-a9";
};
cpu@1 {
compatible = "arm,cortex-a9";
};
};
/*
* The soc node represents the soc top level view. It is uses for IPs
* that are not memory mapped in the MPU view or for the MPU itself.
*/
soc {
compatible = "ti,omap-infra";
mpu {
compatible = "ti,omap4-mpu";
ti,hwmods = "mpu";
};
dsp {
compatible = "ti,omap3-c64";
ti,hwmods = "dsp";
};
iva {
compatible = "ti,ivahd";
ti,hwmods = "iva";
};
};
/*
* XXX: Use a flat representation of the OMAP4 interconnect.
* The real OMAP interconnect network is quite complex.
*
* MPU -+-- MPU_PRIVATE - GIC, L2
* |
* +----------------+----------+
* | | |
* + +- EMIF - DDR |
* | | |
* | + +--------+
* | | |
* | +- L4_ABE - AESS, MCBSP, TIMERs...
* | |
* +- L3_MAIN --+- L4_CORE - IPs...
* |
* +- L4_PER - IPs...
* |
* +- L4_CFG -+- L4_WKUP - IPs...
* | |
* | +- IPs...
* +- IPU ----+
* | |
* +- DSP ----+
* | |
* +- DSS ----+
*
* Since that will not bring real advantage to represent that in DT for
* the moment, just use a fake OCP bus entry to represent the whole bus
* hierarchy.
*/
ocp {
compatible = "ti,omap4-l3-noc", "simple-bus";
#address-cells = <1>;
#size-cells = <1>;
ranges;
ti,hwmods = "l3_main_1", "l3_main_2", "l3_main_3";
gic: interrupt-controller@48241000 {
compatible = "arm,cortex-a9-gic";
interrupt-controller;
#interrupt-cells = <1>;
reg = <0x48241000 0x1000>,
<0x48240100 0x0100>;
};
uart1: serial@4806a000 {
compatible = "ti,omap4-uart";
ti,hwmods = "uart1";
clock-frequency = <48000000>;
};
uart2: serial@4806c000 {
compatible = "ti,omap4-uart";
ti,hwmods = "uart2";
clock-frequency = <48000000>;
};
uart3: serial@48020000 {
compatible = "ti,omap4-uart";
ti,hwmods = "uart3";
clock-frequency = <48000000>;
};
uart4: serial@4806e000 {
compatible = "ti,omap4-uart";
ti,hwmods = "uart4";
clock-frequency = <48000000>;
};
};
};
|
