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-SiFive L2 Cache Controller
---------------------------
-The SiFive Level 2 Cache Controller is used to provide access to fast copies
-of memory for masters in a Core Complex. The Level 2 Cache Controller also
-acts as directory-based coherency manager.
-All the properties in ePAPR/DeviceTree specification applies for this platform
-
-Required Properties:
---------------------
-- compatible: Should be "sifive,fu540-c000-ccache" and "cache"
-
-- cache-block-size: Specifies the block size in bytes of the cache.
- Should be 64
-
-- cache-level: Should be set to 2 for a level 2 cache
-
-- cache-sets: Specifies the number of associativity sets of the cache.
- Should be 1024
-
-- cache-size: Specifies the size in bytes of the cache. Should be 2097152
-
-- cache-unified: Specifies the cache is a unified cache
-
-- interrupts: Must contain 3 entries (DirError, DataError and DataFail signals)
-
-- reg: Physical base address and size of L2 cache controller registers map
-
-Optional Properties:
---------------------
-- next-level-cache: phandle to the next level cache if present.
-
-- memory-region: reference to the reserved-memory for the L2 Loosely Integrated
- Memory region. The reserved memory node should be defined as per the bindings
- in reserved-memory.txt
-
-
-Example:
-
- cache-controller@2010000 {
- compatible = "sifive,fu540-c000-ccache", "cache";
- cache-block-size = <64>;
- cache-level = <2>;
- cache-sets = <1024>;
- cache-size = <2097152>;
- cache-unified;
- interrupt-parent = <&plic0>;
- interrupts = <1 2 3>;
- reg = <0x0 0x2010000 0x0 0x1000>;
- next-level-cache = <&L25 &L40 &L36>;
- memory-region = <&l2_lim>;
- };