From patchwork Tue Aug 28 00:18:36 2012 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Simon Horman X-Patchwork-Id: 1378831 Return-Path: X-Original-To: patchwork-linux-arm@patchwork.kernel.org Delivered-To: patchwork-process-083081@patchwork2.kernel.org Received: from merlin.infradead.org (merlin.infradead.org [205.233.59.134]) by patchwork2.kernel.org (Postfix) with ESMTP id 3F234DF280 for ; Tue, 28 Aug 2012 00:22:05 +0000 (UTC) Received: from localhost ([::1] helo=merlin.infradead.org) by merlin.infradead.org with esmtp (Exim 4.76 #1 (Red Hat Linux)) id 1T69WT-0000Nu-OA; Tue, 28 Aug 2012 00:19:14 +0000 Received: from kirsty.vergenet.net ([202.4.237.240]) by merlin.infradead.org with esmtp (Exim 4.76 #1 (Red Hat Linux)) id 1T69WC-0000GT-0K for linux-arm-kernel@lists.infradead.org; Tue, 28 Aug 2012 00:18:57 +0000 Received: from ayumi.akashicho.tokyo.vergenet.net (p6117-ipbfp1901kobeminato.hyogo.ocn.ne.jp [114.172.117.117]) by kirsty.vergenet.net (Postfix) with ESMTP id 988C225BFBC; Tue, 28 Aug 2012 10:18:51 +1000 (EST) Received: by ayumi.akashicho.tokyo.vergenet.net (Postfix, from userid 7100) id 575EDEDE093; Tue, 28 Aug 2012 09:18:47 +0900 (JST) From: Simon Horman To: Arnd Bergmann , Olof Johansson Subject: [PATCH] ARM: shmobile: kzm9g: enable restarting Date: Tue, 28 Aug 2012 09:18:36 +0900 Message-Id: <1346113116-20252-2-git-send-email-horms@verge.net.au> X-Mailer: git-send-email 1.7.10.2.484.gcd07cc5 In-Reply-To: <1346113116-20252-1-git-send-email-horms@verge.net.au> References: <1346113116-20252-1-git-send-email-horms@verge.net.au> X-Spam-Note: CRM114 invocation failed X-Spam-Score: -2.8 (--) X-Spam-Report: SpamAssassin version 3.3.2 on merlin.infradead.org summary: Content analysis details: (-2.8 points) pts rule name description ---- ---------------------- -------------------------------------------------- -0.7 RCVD_IN_DNSWL_LOW RBL: Sender listed at http://www.dnswl.org/, low trust [202.4.237.240 listed in list.dnswl.org] 0.0 KHOP_BIG_TO_CC Sent to 10+ recipients instaed of Bcc or a list -0.2 RP_MATCHES_RCVD Envelope sender domain matches handover relay domain -1.9 BAYES_00 BODY: Bayes spam probability is 0 to 1% [score: 0.0000] Cc: Tetsuyuki Kobayashi , Simon Horman , arm@kernel.org, Kuninori Morimoto , linux-sh@vger.kernel.org, Magnus Damm , Paul Mundt , Nobuhiro Iwamatsu , linux-arm-kernel@lists.infradead.org X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Sender: linux-arm-kernel-bounces@lists.infradead.org Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org From: Tetsuyuki Kobayashi Do soft-power-on-reset in sys_reboot system call. How to test this patch Execute "sudo reboot" from command line. The system will start shutdown sequence and finally reboot and U-Boot restarts. Cc: Nobuhiro Iwamatsu Cc: Kuninori Morimoto Signed-off-by: Tetsuyuki Kobayashi Signed-off-by: Simon Horman --- arch/arm/mach-shmobile/board-kzm9g.c | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/arch/arm/mach-shmobile/board-kzm9g.c b/arch/arm/mach-shmobile/board-kzm9g.c index 53b7ea9..fd21fb6 100644 --- a/arch/arm/mach-shmobile/board-kzm9g.c +++ b/arch/arm/mach-shmobile/board-kzm9g.c @@ -763,6 +763,13 @@ static void __init kzm_init(void) platform_add_devices(kzm_devices, ARRAY_SIZE(kzm_devices)); } +static void kzm9g_restart(char mode, const char *cmd) +{ +#define RESCNT2 0xe6188020 + /* Do soft power on reset */ + writel((1 << 31), RESCNT2); +} + static const char *kzm9g_boards_compat_dt[] __initdata = { "renesas,kzm9g", NULL, @@ -777,5 +784,6 @@ DT_MACHINE_START(KZM9G_DT, "kzm9g") .init_machine = kzm_init, .init_late = shmobile_init_late, .timer = &shmobile_timer, + .restart = kzm9g_restart, .dt_compat = kzm9g_boards_compat_dt, MACHINE_END