ARM: trigger non-secure state switch during bootm execution
To actually trigger the non-secure switch we just implemented, call
the switching routine from within the bootm command implementation.
This way we automatically enable this feature without further user
intervention.
Signed-off-by: Andre Przywara <andre.przywara@linaro.org>
diff --git a/arch/arm/lib/bootm.c b/arch/arm/lib/bootm.c
index eefb456..b3a961a 100644
--- a/arch/arm/lib/bootm.c
+++ b/arch/arm/lib/bootm.c
@@ -22,6 +22,10 @@
#include <asm/bootm.h>
#include <linux/compiler.h>
+#ifdef CONFIG_ARMV7_NONSEC
+#include <asm/armv7.h>
+#endif
+
DECLARE_GLOBAL_DATA_PTR;
static struct tag *params;
@@ -181,6 +185,14 @@
__weak void setup_board_tags(struct tag **in_params) {}
+static void do_nonsec_virt_switch(void)
+{
+#if defined(CONFIG_ARMV7_NONSEC) || defined(CONFIG_ARMV7_VIRT)
+ if (armv7_switch_nonsec() == 0)
+ debug("entered non-secure state\n");
+#endif
+}
+
/* Subcommand: PREP */
static void boot_prep_linux(bootm_headers_t *images)
{
@@ -217,6 +229,7 @@
printf("FDT and ATAGS support not compiled in - hanging\n");
hang();
}
+ do_nonsec_virt_switch();
}
/* Subcommand: GO */