From patchwork Sun Oct 28 18:17:55 2012 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Daniel Mack X-Patchwork-Id: 1658121 Return-Path: X-Original-To: patchwork-linux-omap@patchwork.kernel.org Delivered-To: patchwork-process-083081@patchwork1.kernel.org Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by patchwork1.kernel.org (Postfix) with ESMTP id 95A1E3FCF7 for ; Sun, 28 Oct 2012 18:18:23 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751457Ab2J1SSW (ORCPT ); Sun, 28 Oct 2012 14:18:22 -0400 Received: from svenfoo.org ([82.94.215.22]:50152 "EHLO mail.zonque.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751383Ab2J1SSV (ORCPT ); Sun, 28 Oct 2012 14:18:21 -0400 Received: from localhost (localhost [127.0.0.1]) by mail.zonque.de (Postfix) with ESMTP id C1C85C00DC; Sun, 28 Oct 2012 19:18:18 +0100 (CET) Received: from mail.zonque.de ([127.0.0.1]) by localhost (rambrand.bugwerft.de [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id uyFdK7BPQ5_I; Sun, 28 Oct 2012 19:18:18 +0100 (CET) Received: from tamtam.taperay.com (i59F718D3.versanet.de [89.247.24.211]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by mail.zonque.de (Postfix) with ESMTPSA id 4BF25C00D0; Sun, 28 Oct 2012 19:18:18 +0100 (CET) From: Daniel Mack To: linux-arm-kernel@lists.infradead.org Cc: linux@arm.linux.org.uk, arnd@arndb.de, nsekhar@ti.com, hvaibhav@ti.com, afzal@ti.com, linux-omap@vger.kernel.org, Daniel Mack Subject: [PATCH] ARM: AM33xx: add support for reboot Date: Sun, 28 Oct 2012 19:17:55 +0100 Message-Id: <1351448275-23509-1-git-send-email-zonque@gmail.com> X-Mailer: git-send-email 1.7.11.7 Sender: linux-omap-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-omap@vger.kernel.org This patch adds the ability to reboot am33xx-based systems. Signed-off-by: Daniel Mack --- arch/arm/mach-omap2/board-generic.c | 1 + arch/arm/mach-omap2/prcm.c | 6 ++++++ 2 files changed, 7 insertions(+) diff --git a/arch/arm/mach-omap2/board-generic.c b/arch/arm/mach-omap2/board-generic.c index 601ecdf..6a69ceb 100644 --- a/arch/arm/mach-omap2/board-generic.c +++ b/arch/arm/mach-omap2/board-generic.c @@ -114,6 +114,7 @@ DT_MACHINE_START(AM33XX_DT, "Generic AM33XX (Flattened Device Tree)") .init_machine = omap_generic_init, .timer = &omap3_am33xx_timer, .dt_compat = am33xx_boards_compat, + .restart = omap_prcm_restart, MACHINE_END #endif diff --git a/arch/arm/mach-omap2/prcm.c b/arch/arm/mach-omap2/prcm.c index 0f51e03..8a3068a 100644 --- a/arch/arm/mach-omap2/prcm.c +++ b/arch/arm/mach-omap2/prcm.c @@ -32,6 +32,7 @@ #include "clock2xxx.h" #include "cm2xxx_3xxx.h" #include "prm2xxx_3xxx.h" +#include "prm33xx.h" #include "prm44xx.h" #include "prminst44xx.h" #include "cminst44xx.h" @@ -72,6 +73,11 @@ void omap_prcm_restart(char mode, const char *cmd) omap3_ctrl_write_boot_mode((cmd ? (u8)*cmd : 0)); } else if (cpu_is_omap44xx()) { omap4_prminst_global_warm_sw_reset(); /* never returns */ + } else if (soc_is_am33xx()) { + prcm_offs = AM33XX_PRM_DEVICE_MOD; + omap2_prm_set_mod_reg_bits(OMAP4430_RST_GLOBAL_COLD_SW_MASK, + prcm_offs, + AM33XX_PRM_RSTCTRL_OFFSET); } else { WARN_ON(1); }