EDAC node is defined to describe on-chip error detection and correction.
The follow error types are supported:
memory controller - Memory controller
PMD (L1/L2) - Processor module unit (PMD) L1/L2 cache
L3 - L3 cache controller
SoC - SoC IP's such as Ethernet, SATA, and etc
The following section describes the EDAC DT node binding.
Required properties:
- compatible : Shall be "apm,xgene-edac".
- regmap-csw : Regmap of the CPU switch fabric (CSW) resource.
- regmap-mcba : Regmap of the MCB-A (memory bridge) resource.
- regmap-mcbb : Regmap of the MCB-B (memory bridge) resource.
- regmap-efuse : Regmap of the PMD efuse resource.
- regmap-rb : Regmap of the register bus resource. This property
is optional only for compatibility. If the RB
error conditions are not cleared, it will
continuously generate interrupt.
- reg : First resource shall be the CPU bus (PCP) resource.
- interrupts : Interrupt-specifier for MCU, PMD, L3, or SoC error
IRQ(s).
Required properties for memory controller subnode:
- compatible : Shall be "apm,xgene-edac-mc".
- reg : First resource shall be the memory controller unit
(MCU) resource.
- memory-controller : Instance number of the memory controller.
Required properties for PMD subnode:
- compatible : Shall be "apm,xgene-edac-pmd" or
"apm,xgene-edac-pmd-v2".
- reg : First resource shall be the PMD resource.
- pmd-controller : Instance number of the PMD controller.
Required properties for L3 subnode:
- compatible : Shall be "apm,xgene-edac-l3" or
"apm,xgene-edac-l3-v2".
- reg : First resource shall be the L3 EDAC resource.
Required properties for SoC subnode:
- compatible : Shall be "apm,xgene-edac-soc-v1" for revision 1 or
"apm,xgene-edac-l3-soc" for general value reporting
only.
- reg : First resource shall be the SoC EDAC resource.
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