fix(cpus): workaround for Cortex-A78C erratum 1827430

Cortex-A78C erratum 1827430 is a Cat B erratum that applies to
revision r0p0 and is fixed in r0p1.

The workaround is to set the CPUECTLR_EL1[53] to 1, which disables
allocation of splintered pages in the L2 TLB.

SDEN documentation:

Signed-off-by: Bipin Ravi <>
Change-Id: Ie68771bdd3bddeff54d06b6a456dad4a7fc27426
4 files changed