From: Marek Behún <marek.behun@nic.cz>
Date: Mon, 16 Aug 2021 13:19:40 +0000 (+0200)
Subject: arm: mvebu: turris_omnia: disable MCU watchdog in board_late_init()
X-Git-Tag: v2021.10~37^2~3
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=e23162c805d46e7f6d11ba07f397b5e3e3750fda;p=platform%2Fkernel%2Fu-boot.git

arm: mvebu: turris_omnia: disable MCU watchdog in board_late_init()

Disable MCU watchdog in board_late_init() instead of board_init(), so
that it is disabled after U-Boot enables SOC watchdog instead of before.
This way there is no window when the board is vulnerable.

Signed-off-by: Marek Behún <marek.behun@nic.cz>
Reviewed-by: Pali Rohár <pali@kernel.org>
Reviewed-by: Stefan Roese <sr@denx.de>
---

diff --git a/board/CZ.NIC/turris_omnia/turris_omnia.c b/board/CZ.NIC/turris_omnia/turris_omnia.c
index b0391c9..bac78af 100644
--- a/board/CZ.NIC/turris_omnia/turris_omnia.c
+++ b/board/CZ.NIC/turris_omnia/turris_omnia.c
@@ -434,6 +434,11 @@ int board_init(void)
 	/* address of boot parameters */
 	gd->bd->bi_boot_params = mvebu_sdram_bar(0) + 0x100;
 
+	return 0;
+}
+
+int board_late_init(void)
+{
 	/*
 	 * If not booting from UART, MCU watchdog was not disabled in SPL,
 	 * disable it now.
@@ -441,11 +446,6 @@ int board_init(void)
 	if (get_boot_device() != BOOT_DEVICE_UART)
 		disable_mcu_watchdog();
 
-	return 0;
-}
-
-int board_late_init(void)
-{
 	set_regdomain();
 	handle_reset_button();
 	pci_init();