1 ============================================== 1 =====================================================================
2 MPX LAW & Coherency Module Device Tree Binding 2 MPX LAW & Coherency Module Device Tree Binding
3 Copyright (C) 2009 Freescale Semiconductor Inc 3 Copyright (C) 2009 Freescale Semiconductor Inc.
4 ============================================== 4 =====================================================================
5 5
6 Local Access Window (LAW) Node 6 Local Access Window (LAW) Node
7 7
8 The LAW node represents the region of CCSR spa 8 The LAW node represents the region of CCSR space where local access
9 windows are configured. For MCM based devices 9 windows are configured. For MCM based devices this is the first 4k
10 of CCSR space that includes CCSRBAR, ALTCBAR, 10 of CCSR space that includes CCSRBAR, ALTCBAR, ALTCAR, BPTR, and some
11 number of local access windows as specified by 11 number of local access windows as specified by fsl,num-laws.
12 12
13 PROPERTIES 13 PROPERTIES
14 14
15 - compatible 15 - compatible
16 Usage: required 16 Usage: required
17 Value type: <string> 17 Value type: <string>
18 Definition: Must include "fsl,mcm-law" 18 Definition: Must include "fsl,mcm-law"
19 19
20 - reg 20 - reg
21 Usage: required 21 Usage: required
22 Value type: <prop-encoded-array> 22 Value type: <prop-encoded-array>
23 Definition: A standard property. The va 23 Definition: A standard property. The value specifies the
24 physical address offset and length o 24 physical address offset and length of the CCSR space
25 registers. 25 registers.
26 26
27 - fsl,num-laws 27 - fsl,num-laws
28 Usage: required 28 Usage: required
29 Value type: <u32> 29 Value type: <u32>
30 Definition: The value specifies the numb 30 Definition: The value specifies the number of local access
31 windows for this device. 31 windows for this device.
32 32
33 ============================================== 33 =====================================================================
34 34
35 MPX Coherency Module Node 35 MPX Coherency Module Node
36 36
37 The MPX LAW node represents the region of CCSR 37 The MPX LAW node represents the region of CCSR space where MCM config
38 and error reporting registers exist, this is t 38 and error reporting registers exist, this is the second 4k (0x1000)
39 of CCSR space. 39 of CCSR space.
40 40
41 PROPERTIES 41 PROPERTIES
42 42
43 - compatible 43 - compatible
44 Usage: required 44 Usage: required
45 Value type: <string> 45 Value type: <string>
46 Definition: Must include "fsl,CHIP-mcm", 46 Definition: Must include "fsl,CHIP-mcm", "fsl,mcm" where
47 CHIP is the processor (mpc8641, mpc8610, 47 CHIP is the processor (mpc8641, mpc8610, etc.)
48 48
49 - reg 49 - reg
50 Usage: required 50 Usage: required
51 Value type: <prop-encoded-array> 51 Value type: <prop-encoded-array>
52 Definition: A standard property. The va 52 Definition: A standard property. The value specifies the
53 physical address offset and length o 53 physical address offset and length of the CCSR space
54 registers. 54 registers.
55 55
56 - interrupts 56 - interrupts
57 Usage: required 57 Usage: required
58 Value type: <prop-encoded-array> 58 Value type: <prop-encoded-array>
59 59
60 ============================================== 60 =====================================================================
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