[ARM] 4583/1: ARMv7: Add VFPv3 support
This patch adds the support for VFPv3 (the kernel currently supports
VFPv2). The main difference is 32 double registers (compared to 16).
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
index a04f507..f4eeb03 100644
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
@@ -951,7 +951,7 @@
config VFP
bool "VFP-format floating point maths"
- depends on CPU_V6 || CPU_ARM926T
+ depends on CPU_V6 || CPU_ARM926T || CPU_V7
help
Say Y to include VFP support code in the kernel. This is needed
if your hardware includes a VFP unit.
@@ -961,6 +961,11 @@
Say N if your target does not have VFP hardware.
+config VFPv3
+ bool
+ depends on VFP
+ default y if CPU_V7
+
endmenu
menu "Userspace binary formats"