From 694580fa60f1e8c16b144fc677e1cb41c153f62e Mon Sep 17 00:00:00 2001
From: Paul Walmsley <paul.walmsley@sifive.com>
Date: Mon, 10 Sep 2018 13:28:56 -0700
Subject: config: arch: riscv: add initial 64-bit support

Add initial rv64 support.  Originally based on suggestions from
Franz Flasch <franz.flasch@gmx.at>.

Cc: Franz Flasch <franz.flasch@gmx.at>
Signed-off-by: Paul Walmsley <paul.walmsley@sifive.com>
Signed-off-by: Paul Walmsley <paul@pwsan.com>

diff --git a/config/arch/riscv.in b/config/arch/riscv.in
index 4efde97..109556a 100644
--- a/config/arch/riscv.in
+++ b/config/arch/riscv.in
@@ -4,9 +4,12 @@
 ## depends on EXPERIMENTAL
 ##
 ## select ARCH_SUPPORTS_32
+## select ARCH_SUPPORTS_64
 ## select ARCH_DEFAULT_32
+## select ARCH_SUPPORTS_BOTH_MMU
 ## select ARCH_SUPPORTS_WITH_ABI
 ## select ARCH_SUPPORTS_WITH_ARCH
+## select ARCH_SUPPORTS_WITH_TUNE
 ## select GCC_REQUIRE_7_or_later
 
 ## help The RISC-V architecture, as defined by:
-- 
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