Kernel-4.18.0-80.el8_scu

  • ARM Snoop Control Unit (SCU)

As part of the MPCore complex, Cortex-A5 and Cortex-A9 are provided
with a Snoop Control Unit. The register range is usually 256 (0x100)
bytes.

References:

  • Cortex-A9: see DDI0407E Cortex-A9 MPCore Technical Reference Manual
    Revision r2p0

  • Cortex-A5: see DDI0434B Cortex-A5 MPCore Technical Reference Manual
    Revision r0p1

  • ARM11 MPCore: see DDI0360F ARM 11 MPCore Processor Technical Reference
    Manial Revision r2p0

  • compatible : Should be:
    “arm,cortex-a9-scu”
    “arm,cortex-a5-scu”
    “arm,arm11mp-scu”

  • reg : Specify the base address and the size of the SCU register window.

Example:

scu@a04100000 {
compatible = “arm,cortex-a9-scu”;
reg = <0xa0410000 0x100>;
};