When Barebox has been entered in HYP mode, the CPU is already switched
to the non-secure world and it's not possible for Barebox to install
it's own secure monitor.
Signed-off-by: Lucas Stach <l.st...@pengutronix.de>
---
arch/arm/cpu/sm.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/arch/arm/cpu/sm.c b/arch/arm/cpu/sm.c
index 5808dfd92bdc..71bb394c8540 100644
--- a/arch/arm/cpu/sm.c
+++ b/arch/arm/cpu/sm.c
@@ -184,6 +184,9 @@ int armv7_secure_monitor_install(void)
return -EINVAL;
}
+ if (__boot_cpu_mode == HYP_MODE)
+ return 0;
+
mmuon = get_cr() & CR_M;
vbar = get_vbar();
--
2.15.1
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