feat(sgi): firmware first error handling for Neoverse N2 CPU
RD-N2 platform variants have Neoverse N2 CPU that supports RAS
extensions. N2 CPU has error node that captures the faults occurring on
L1, L2 tag and data RAMs. This node captures the error information in
its error records and generates fault handling interrupt on error event.
This patch adds reference implementation to demonstrate firmware-first
error handling of 1-bit CE that occur on CPU. On error event the error
handler reads the error records and ELx context information and forwards
it to secure partition. Secure partition creates a CPER record from this
error information. Finally the handler notifies the OS about the RAS
error using the SDEI notification mechanism.
Signed-off-by: Omkar Anand Kulkarni <omkar.kulkarni@arm.com>
Change-Id: I769550efee10b9a3d89056bca4bfeb2db4708998
2 files changed