1 Freescale L2 Cache Controller 1 Freescale L2 Cache Controller
2 2
3 L2 cache is present in Freescale's QorIQ and Q 3 L2 cache is present in Freescale's QorIQ and QorIQ Qonverge platforms.
4 The cache bindings explained below are Devicet 4 The cache bindings explained below are Devicetree Specification compliant
5 5
6 Required Properties: 6 Required Properties:
7 7
8 - compatible : Should include one of the fo 8 - compatible : Should include one of the following:
9 "fsl,b4420-l2-cache-controll 9 "fsl,b4420-l2-cache-controller"
10 "fsl,b4860-l2-cache-controll 10 "fsl,b4860-l2-cache-controller"
11 "fsl,bsc9131-l2-cache-contro 11 "fsl,bsc9131-l2-cache-controller"
12 "fsl,bsc9132-l2-cache-contro 12 "fsl,bsc9132-l2-cache-controller"
13 "fsl,c293-l2-cache-controlle 13 "fsl,c293-l2-cache-controller"
14 "fsl,mpc8536-l2-cache-contro 14 "fsl,mpc8536-l2-cache-controller"
15 "fsl,mpc8540-l2-cache-contro 15 "fsl,mpc8540-l2-cache-controller"
16 "fsl,mpc8541-l2-cache-contro 16 "fsl,mpc8541-l2-cache-controller"
17 "fsl,mpc8544-l2-cache-contro 17 "fsl,mpc8544-l2-cache-controller"
18 "fsl,mpc8548-l2-cache-contro 18 "fsl,mpc8548-l2-cache-controller"
19 "fsl,mpc8555-l2-cache-contro 19 "fsl,mpc8555-l2-cache-controller"
20 "fsl,mpc8560-l2-cache-contro 20 "fsl,mpc8560-l2-cache-controller"
21 "fsl,mpc8568-l2-cache-contro 21 "fsl,mpc8568-l2-cache-controller"
22 "fsl,mpc8569-l2-cache-contro 22 "fsl,mpc8569-l2-cache-controller"
23 "fsl,mpc8572-l2-cache-contro 23 "fsl,mpc8572-l2-cache-controller"
24 "fsl,p1010-l2-cache-controll 24 "fsl,p1010-l2-cache-controller"
25 "fsl,p1011-l2-cache-controll 25 "fsl,p1011-l2-cache-controller"
26 "fsl,p1012-l2-cache-controll 26 "fsl,p1012-l2-cache-controller"
27 "fsl,p1013-l2-cache-controll 27 "fsl,p1013-l2-cache-controller"
28 "fsl,p1014-l2-cache-controll 28 "fsl,p1014-l2-cache-controller"
29 "fsl,p1015-l2-cache-controll 29 "fsl,p1015-l2-cache-controller"
30 "fsl,p1016-l2-cache-controll 30 "fsl,p1016-l2-cache-controller"
31 "fsl,p1020-l2-cache-controll 31 "fsl,p1020-l2-cache-controller"
32 "fsl,p1021-l2-cache-controll 32 "fsl,p1021-l2-cache-controller"
33 "fsl,p1022-l2-cache-controll 33 "fsl,p1022-l2-cache-controller"
34 "fsl,p1023-l2-cache-controll 34 "fsl,p1023-l2-cache-controller"
35 "fsl,p1024-l2-cache-controll 35 "fsl,p1024-l2-cache-controller"
36 "fsl,p1025-l2-cache-controll 36 "fsl,p1025-l2-cache-controller"
37 "fsl,p2010-l2-cache-controll 37 "fsl,p2010-l2-cache-controller"
38 "fsl,p2020-l2-cache-controll 38 "fsl,p2020-l2-cache-controller"
39 "fsl,t2080-l2-cache-controll 39 "fsl,t2080-l2-cache-controller"
40 "fsl,t4240-l2-cache-controll 40 "fsl,t4240-l2-cache-controller"
41 and "cache". 41 and "cache".
42 - reg : Address and size of L2 cache 42 - reg : Address and size of L2 cache controller registers
43 - cache-size : Size of the entire L2 cache 43 - cache-size : Size of the entire L2 cache
44 - interrupts : Error interrupt of L2 contro 44 - interrupts : Error interrupt of L2 controller
45 - cache-line-size : Size of L2 cache lines 45 - cache-line-size : Size of L2 cache lines
46 46
47 Example: 47 Example:
48 48
49 L2: l2-cache-controller@20000 { 49 L2: l2-cache-controller@20000 {
50 compatible = "fsl,bsc9132-l2-c 50 compatible = "fsl,bsc9132-l2-cache-controller", "cache";
51 reg = <0x20000 0x1000>; 51 reg = <0x20000 0x1000>;
52 cache-line-size = <32>; // 32 52 cache-line-size = <32>; // 32 bytes
53 cache-size = <0x40000>; // L2, 53 cache-size = <0x40000>; // L2,256K
54 interrupts = <16 2 1 0>; 54 interrupts = <16 2 1 0>;
55 }; 55 };
Linux® is a registered trademark of Linus Torvalds in the United States and other countries.
TOMOYO® is a registered trademark of NTT DATA CORPORATION.