From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from metis.ext.pengutronix.de ([2001:67c:670:201:290:27ff:fe1d:cc33]) by merlin.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1jqYmE-0002h9-BQ for barebox@lists.infradead.org; Wed, 01 Jul 2020 09:11:37 +0000 From: Ahmad Fatoum Date: Wed, 1 Jul 2020 11:11:02 +0200 Message-Id: <20200701091122.3437-9-a.fatoum@pengutronix.de> In-Reply-To: <20200701091122.3437-1-a.fatoum@pengutronix.de> References: <20200701091122.3437-1-a.fatoum@pengutronix.de> MIME-Version: 1.0 List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "barebox" Errors-To: barebox-bounces+u.kleine-koenig=pengutronix.de@lists.infradead.org Subject: [PATCH 08/28] ARM: at91: watchdog: implement at91_wdt_disable To: barebox@lists.infradead.org Cc: Sam Ravnborg , Ahmad Fatoum Board code might want to disable the watchdog in PBL and enable it later prior to boot. Provide a helper to do so. Reviewed-by: Sam Ravnborg Signed-off-by: Ahmad Fatoum --- arch/arm/mach-at91/include/mach/at91_wdt.h | 16 ++++++++++++++++ 1 file changed, 16 insertions(+) diff --git a/arch/arm/mach-at91/include/mach/at91_wdt.h b/arch/arm/mach-at91/include/mach/at91_wdt.h index 36d37b9d2d64..d295d35d1b5c 100644 --- a/arch/arm/mach-at91/include/mach/at91_wdt.h +++ b/arch/arm/mach-at91/include/mach/at91_wdt.h @@ -35,4 +35,20 @@ #define AT91_WDT_WDUNF (1 << 0) /* Watchdog Underflow */ #define AT91_WDT_WDERR (1 << 1) /* Watchdog Error */ +#ifndef __ASSEMBLY__ +// SPDX-License-Identifier: BSD-1-Clause +/* + * Copyright (c) 2006, Atmel Corporation + */ + +#include + +static inline void at91_wdt_disable(void __iomem *wdt_base) +{ + u32 reg = readl(wdt_base + AT91_WDT_MR); + reg |= AT91_WDT_WDDIS; + writel(reg, wdt_base + AT91_WDT_MR); +} + +#endif /* __ASSEMBLY__ */ #endif -- 2.27.0 _______________________________________________ barebox mailing list barebox@lists.infradead.org http://lists.infradead.org/mailman/listinfo/barebox