From mboxrd@z Thu Jan 1 00:00:00 1970 Delivery-date: Mon, 17 Oct 2022 09:11:29 +0200 Received: from metis.ext.pengutronix.de ([2001:67c:670:201:290:27ff:fe1d:cc33]) by lore.white.stw.pengutronix.de with esmtps (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.94.2) (envelope-from ) id 1okKHa-00BNhI-CF for lore@lore.pengutronix.de; Mon, 17 Oct 2022 09:11:29 +0200 Received: from bombadil.infradead.org ([2607:7c80:54:3::133]) by metis.ext.pengutronix.de with esmtps (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1okKHY-0005pL-Bk for lore@pengutronix.de; Mon, 17 Oct 2022 09:11:29 +0200 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:Content-Transfer-Encoding: MIME-Version:Message-Id:Date:Subject:To:From:Reply-To:Cc:Content-Type: Content-ID:Content-Description:Resent-Date:Resent-From:Resent-Sender: Resent-To:Resent-Cc:Resent-Message-ID:In-Reply-To:References:List-Owner; bh=U7Tfl88eiemxq/9j8mCAJF642LMWASXPqgywSbwwgns=; b=CQfA37LqE7KDrV4hPmftomiAwS zFvCuvcXzyKj5RXKeWCj3dUDjwTBxfVIwRff38ZlgRb2hnYRIODGrb5UnBMibaJqZb+suGhiO8dGU M0VV95jk/avAkvgAPmM0IeSxLiT8pDG3wmRrjJnSWW4yLEMIl9lRA2LZHleDQukDVfNOnueWJpBba lnwy+SUMROYlmCY+5A7MqLPHsLMDjnSrIZ7y0yOm3MrY7KLvrWlHXKqyYHLIy2GzdM0sa43VVi3rR D8H4yFprqdaJNwZLN5T0HInTjnNt2pe6N/YOnNPcLa9TOUdiOEYk6EceGz4oLjE550AjKeTu33uly 1w+38f9A==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1okKGH-008McW-VP; Mon, 17 Oct 2022 07:10:10 +0000 Received: from metis.ext.pengutronix.de ([2001:67c:670:201:290:27ff:fe1d:cc33]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1okKGD-008MZi-1T for barebox@lists.infradead.org; Mon, 17 Oct 2022 07:10:06 +0000 Received: from drehscheibe.grey.stw.pengutronix.de ([2a0a:edc0:0:c01:1d::a2]) by metis.ext.pengutronix.de with esmtps (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1okKGB-0004xp-88 for barebox@lists.infradead.org; Mon, 17 Oct 2022 09:10:03 +0200 Received: from [2a0a:edc0:0:1101:1d::ac] (helo=dude04.red.stw.pengutronix.de) by drehscheibe.grey.stw.pengutronix.de with esmtp (Exim 4.94.2) (envelope-from ) id 1okKGA-0021UM-G7 for barebox@lists.infradead.org; Mon, 17 Oct 2022 09:10:02 +0200 Received: from afa by dude04.red.stw.pengutronix.de with local (Exim 4.94.2) (envelope-from ) id 1okKG8-0067OY-OD for barebox@lists.infradead.org; Mon, 17 Oct 2022 09:10:00 +0200 From: Ahmad Fatoum To: barebox@lists.infradead.org Date: Mon, 17 Oct 2022 09:09:52 +0200 Message-Id: <20221017071000.1458292-1-a.fatoum@pengutronix.de> X-Mailer: git-send-email 2.30.2 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20221017_001005_167573_7E85587F X-CRM114-Status: GOOD ( 10.35 ) X-BeenThere: barebox@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "barebox" X-SA-Exim-Connect-IP: 2607:7c80:54:3::133 X-SA-Exim-Mail-From: barebox-bounces+lore=pengutronix.de@lists.infradead.org X-Spam-Checker-Version: SpamAssassin 3.4.2 (2018-09-13) on metis.ext.pengutronix.de X-Spam-Level: X-Spam-Status: No, score=-4.7 required=4.0 tests=AWL,BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,RCVD_IN_DNSWL_MED,SPF_HELO_NONE,SPF_NONE autolearn=unavailable autolearn_force=no version=3.4.2 Subject: [PATCH 0/8] ARM: i.MX7: add serial download reboot mode X-SA-Exim-Version: 4.2.1 (built Wed, 08 May 2019 21:11:16 +0000) X-SA-Exim-Scanned: Yes (on metis.ext.pengutronix.de) BootROM can be forced into USB recovery on i.MX7 just like on the i.MX8M, with the difference that reset is a bit more involved, because warm resets via watchdogs are broken on this SoC. We do a bit of cleanup and then tackle that via a syscon-reboot device describing the Cortex-A7 CPU0 reset. Ahmad Fatoum (8): restart: make restart.h header self-contained restart: do restart-priority OF parsing in restart_handler_register restart: add reset -w for warm bootrom reset watchdog: imxwd: don't register broken imxwd-warm for i.MX7 watchdog: imxwd: set imxwd-warm as reboot mode default handler Documentations: devicetree: bindings: document watchdog-priority ARM: i.MX7: describe USB serial download boot mode ARM: stm32mp: mark iwdg2 with barebox,restart-warm-bootrom Documentation/boards/imx.rst | 2 +- Documentation/boards/stm32mp.rst | 6 ++- .../devicetree/bindings/power/restart.rst | 15 ++++++++ .../devicetree/bindings/watchdog/watchdog.rst | 10 +++++ Documentation/user/reboot-mode.rst | 7 +++- arch/arm/configs/imx_v7_defconfig | 2 + arch/arm/dts/imx7.dtsi | 37 +++++++++++++++++++ arch/arm/dts/stm32mp131.dtsi | 4 ++ arch/arm/dts/stm32mp151.dtsi | 4 ++ commands/reset.c | 16 +++++--- common/restart.c | 37 +++++++++---------- drivers/clk/clk-stm32mp1.c | 2 +- drivers/mfd/da9053.c | 2 +- drivers/mfd/da9063.c | 2 +- drivers/mfd/rn5t568.c | 2 +- drivers/power/reset/stm32-reboot.c | 6 ++- drivers/power/reset/syscon-reboot.c | 1 + drivers/watchdog/imxwd.c | 31 ++++++++++++---- include/restart.h | 15 ++++++-- include/soc/stm32/reboot.h | 6 ++- 20 files changed, 161 insertions(+), 46 deletions(-) create mode 100644 Documentation/devicetree/bindings/power/restart.rst create mode 100644 Documentation/devicetree/bindings/watchdog/watchdog.rst create mode 100644 arch/arm/dts/imx7.dtsi -- 2.30.2