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From ab3d099133f84d59e02a572801659cf8b1145f72 Mon Sep 17 00:00:00 2001
From: Adrian Calianu <adrian.calianu@enea.com>
Date: Thu, 19 Feb 2015 09:24:22 +0100
Subject: [PATCH 1/1] Hierofalcon: Enable 32-bit EL0 with 64K and 4K page sizes

Hierofalcon is able to switch to aarch32 EL0 only with following setup:
- Page Size 64K - 42bit VA
- Page Size 4K  - 48bit VA

Signed-off-by: Adrian Calianu <adrian.calianu@enea.com>
---
 arch/arm64/Kconfig | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/arch/arm64/Kconfig b/arch/arm64/Kconfig
index d35a06c..68b4859 100644
--- a/arch/arm64/Kconfig
+++ b/arch/arm64/Kconfig
@@ -338,6 +338,7 @@ endchoice
 choice
 	prompt "Virtual address space size"
 	default ARM64_VA_BITS_39 if ARM64_4K_PAGES
+	default ARM64_VA_BITS_48 if ARM64_4K_PAGES
 	default ARM64_VA_BITS_42 if ARM64_64K_PAGES
 	help
 	  Allows choosing one of multiple possible virtual address
@@ -354,7 +355,7 @@ config ARM64_VA_BITS_42
 
 config ARM64_VA_BITS_48
 	bool "48-bit"
-	depends on !ARM_SMMU
+	depends on ARM64_4K_PAGES
 
 endchoice
 
@@ -613,7 +614,7 @@ source "fs/Kconfig.binfmt"
 
 config COMPAT
 	bool "Kernel support for 32-bit EL0"
-	depends on !ARM64_64K_PAGES
+	depends on !ARM64_64K_PAGES || EXPERT
 	select COMPAT_BINFMT_ELF
 	select HAVE_UID16
 	select OLD_SIGSUSPEND3
-- 
1.9.1