arm64: Add Kconfig option for APM X-Gene SOC family

This patch adds arm64/Kconfig option for APM X-Gene SOC family.

Signed-off-by: Kumar Sankaran <ksankaran@apm.com>
Signed-off-by: Loc Ho <lho@apm.com>
Signed-off-by: Feng Kan <fkan@apm.com>
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>

1 files changed, 7 insertions, 0 deletions

diff --git a/arch/arm64/Kconfig b/arch/arm64/Kconfig
index ef32eb1aa2d9..1fac4e5a1c43 100644
--- a/arch/arm64/Kconfig
+++ b/arch/arm64/Kconfig
@@ -112,6 +112,11 @@ config ARCH_VEXPRESS
           This enables support for the ARMv8 software model (Versatile
           Express).
 
+config ARCH_XGENE
+        bool "AppliedMicro X-Gene SOC Family"
+        help
+          This enables support for AppliedMicro X-Gene SOC Family
+
 endmenu
 
 menu "Bus support"
@@ -149,6 +154,8 @@ config NR_CPUS
         int "Maximum number of CPUs (2-32)"
         range 2 32
         depends on SMP
+        # These have to remain sorted largest to smallest
+        default "8" if ARCH_XGENE
         default "4"
 
 source kernel/Kconfig.preempt