Merge tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux

[firefly-linux-kernel-4.4.55.git] / arch / arm64 / Kconfig

diff --git a/arch/arm64/Kconfig b/arch/arm64/Kconfig
index 40e1151fb7715101744740078048d3a4f305f8bd..9ac16a482ff1e690b9b6aa66a09225cec831966b 100644 (file)
--- a/arch/arm64/Kconfig
+++ b/arch/arm64/Kconfig
@@ -77,6 +77,7 @@ config ARM64
        select HAVE_PERF_USER_STACK_DUMP
        select HAVE_RCU_TABLE_FREE
        select HAVE_SYSCALL_TRACEPOINTS
+       select IOMMU_DMA if IOMMU_SUPPORT
        select IRQ_DOMAIN
        select IRQ_FORCED_THREADING
        select MODULES_USE_ELF_RELA
@@ -352,6 +353,33 @@ config ARM64_ERRATUM_843419
 
          If unsure, say Y.
 
+config CAVIUM_ERRATUM_22375
+       bool "Cavium erratum 22375, 24313"
+       default y
+       help
+         Enable workaround for erratum 22375, 24313.
+
+         This implements two gicv3-its errata workarounds for ThunderX. Both
+         with small impact affecting only ITS table allocation.
+
+           erratum 22375: only alloc 8MB table size
+           erratum 24313: ignore memory access type
+
+         The fixes are in ITS initialization and basically ignore memory access
+         type and table size provided by the TYPER and BASER registers.
+
+         If unsure, say Y.
+
+config CAVIUM_ERRATUM_23154
+       bool "Cavium erratum 23154: Access to ICC_IAR1_EL1 is not sync'ed"
+       default y
+       help
+         The gicv3 of ThunderX requires a modified version for
+         reading the IAR status to ensure data synchronization
+         (access to icc_iar1_el1 is not sync'ed before and after).
+
+         If unsure, say Y.
+
 endmenu