diff options
Diffstat (limited to 'arch/nios2/platform/Kconfig.platform')
| -rw-r--r-- | arch/nios2/platform/Kconfig.platform | 26 |
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 |