xref: /freebsd/sys/contrib/device-tree/Bindings/arm/scu.txt (revision c66ec88fed842fbaad62c30d510644ceb7bd2d71)
1*c66ec88fSEmmanuel Vadot* ARM Snoop Control Unit (SCU)
2*c66ec88fSEmmanuel Vadot
3*c66ec88fSEmmanuel VadotAs part of the MPCore complex, Cortex-A5 and Cortex-A9 are provided
4*c66ec88fSEmmanuel Vadotwith a Snoop Control Unit. The register range is usually 256 (0x100)
5*c66ec88fSEmmanuel Vadotbytes.
6*c66ec88fSEmmanuel Vadot
7*c66ec88fSEmmanuel VadotReferences:
8*c66ec88fSEmmanuel Vadot
9*c66ec88fSEmmanuel Vadot- Cortex-A9: see DDI0407E Cortex-A9 MPCore Technical Reference Manual
10*c66ec88fSEmmanuel Vadot  Revision r2p0
11*c66ec88fSEmmanuel Vadot- Cortex-A5: see DDI0434B Cortex-A5 MPCore Technical Reference Manual
12*c66ec88fSEmmanuel Vadot  Revision r0p1
13*c66ec88fSEmmanuel Vadot- ARM11 MPCore: see DDI0360F ARM 11 MPCore Processor Technical Reference
14*c66ec88fSEmmanuel Vadot  Manial Revision r2p0
15*c66ec88fSEmmanuel Vadot
16*c66ec88fSEmmanuel Vadot- compatible : Should be:
17*c66ec88fSEmmanuel Vadot	"arm,cortex-a9-scu"
18*c66ec88fSEmmanuel Vadot	"arm,cortex-a5-scu"
19*c66ec88fSEmmanuel Vadot	"arm,arm11mp-scu"
20*c66ec88fSEmmanuel Vadot
21*c66ec88fSEmmanuel Vadot- reg : Specify the base address and the size of the SCU register window.
22*c66ec88fSEmmanuel Vadot
23*c66ec88fSEmmanuel VadotExample:
24*c66ec88fSEmmanuel Vadot
25*c66ec88fSEmmanuel Vadotscu@a0410000 {
26*c66ec88fSEmmanuel Vadot	compatible = "arm,cortex-a9-scu";
27*c66ec88fSEmmanuel Vadot	reg = <0xa0410000 0x100>;
28*c66ec88fSEmmanuel Vadot};
29