[PATCH v2 04/11] riscv: Add an option to default to RV64I

[Sean Anderson]

This allows 64-bit boards to default to the 64-bit instruction set
without changing the current default of 32-bit.

Signed-off-by: Sean Anderson <seanga2 at gmail.com>
---
 arch/riscv/Kconfig | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/arch/riscv/Kconfig b/arch/riscv/Kconfig
index 85e15ebffa..9a7b0334c2 100644
--- a/arch/riscv/Kconfig
+++ b/arch/riscv/Kconfig
@@ -60,8 +60,12 @@ source "arch/riscv/cpu/generic/Kconfig"
 
 # architecture-specific options below
 
+config ARCH_DEFAULT_RV64I
+	bool
+
 choice
 	prompt "Base ISA"
+	default ARCH_RV64I if ARCH_DEFAULT_RV64I
 	default ARCH_RV32I
 
 config ARCH_RV32I
-- 
2.24.1