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-rw-r--r--arch/nios2/platform/Kconfig.platform26
1 files changed, 26 insertions, 0 deletions
diff --git a/arch/nios2/platform/Kconfig.platform b/arch/nios2/platform/Kconfig.platform
index d3e5df9fb36b..74c1aaf588b8 100644
--- a/arch/nios2/platform/Kconfig.platform
+++ b/arch/nios2/platform/Kconfig.platform
@@ -52,6 +52,14 @@ config NIOS2_DTB_SOURCE
comment "Nios II instructions"
+config NIOS2_ARCH_REVISION
+ int "Select Nios II architecture revision"
+ range 1 2
+ default 1
+ help
+ Select between Nios II R1 and Nios II R2 . The architectures
+ are binary incompatible. Default is R1 .
+
config NIOS2_HW_MUL_SUPPORT
bool "Enable MUL instruction"
default n
@@ -73,6 +81,24 @@ config NIOS2_HW_DIV_SUPPORT
Set to true if you configured the Nios II to include the DIV
instruction. Enables the -mhw-div compiler flag.
+config NIOS2_BMX_SUPPORT
+ bool "Enable BMX instructions"
+ depends on NIOS2_ARCH_REVISION = 2
+ default n
+ help
+ Set to true if you configured the Nios II R2 to include
+ the BMX Bit Manipulation Extension instructions. Enables
+ the -mbmx compiler flag.
+
+config NIOS2_CDX_SUPPORT
+ bool "Enable CDX instructions"
+ depends on NIOS2_ARCH_REVISION = 2
+ default n
+ help
+ Set to true if you configured the Nios II R2 to include
+ the CDX Bit Manipulation Extension instructions. Enables
+ the -mcdx compiler flag.
+
config NIOS2_FPU_SUPPORT
bool "Custom floating point instr support"
default n