From 72eb1f5e19320ea4919f62341ce077a521d9c278 Mon Sep 17 00:00:00 2001
From: Hai Pham <hai.pham.ud@renesas.com>
Date: Tue, 28 Feb 2023 00:02:18 +0100
Subject: [PATCH] ARM: renesas: falcon: Initialize ARM generic timer and GICv3
if EL3
U-Boot executes at EL3 is required to initalize those settings.
In other cases, they will be done by prior-stage firmware instead.
This fixes crash when U-Boot is at non-secure exception level.
Reviewed-by: Marek Vasut <marek.vasut+renesas@mailbox.org>
Signed-off-by: Hai Pham <hai.pham.ud@renesas.com>
Signed-off-by: Marek Vasut <marek.vasut+renesas@mailbox.org>
---
board/renesas/falcon/falcon.c | 7 +++++--
1 file changed, 5 insertions(+), 2 deletions(-)
diff --git a/board/renesas/falcon/falcon.c b/board/renesas/falcon/falcon.c
index b0cb4e747b..b7e7fd9003 100644
--- a/board/renesas/falcon/falcon.c
+++ b/board/renesas/falcon/falcon.c
@@ -14,6 +14,7 @@
#include <asm/mach-types.h>
#include <asm/processor.h>
#include <linux/errno.h>
+#include <asm/system.h>
DECLARE_GLOBAL_DATA_PTR;
@@ -69,7 +70,8 @@ static void init_gic_v3(void)
void s_init(void)
{
- init_generic_timer();
+ if (current_el() == 3)
+ init_generic_timer();
}
int board_early_init_f(void)
@@ -86,7 +88,8 @@ int board_init(void)
/* address of boot parameters */
gd->bd->bi_boot_params = CONFIG_TEXT_BASE + 0x50000;
- init_gic_v3();
+ if (current_el() == 3)
+ init_gic_v3();
return 0;
}
--
2.39.5