From mboxrd@z Thu Jan 1 00:00:00 1970 Received: with ECARTIS (v1.0.0; list linux-mips); Wed, 23 Jan 2013 13:10:01 +0100 (CET) Received: from nbd.name ([46.4.11.11]:52016 "EHLO nbd.name" rhost-flags-OK-OK-OK-OK) by eddie.linux-mips.org with ESMTP id S6833392Ab3AWMInEEPyI (ORCPT ); Wed, 23 Jan 2013 13:08:43 +0100 From: John Crispin To: Ralf Baechle Cc: linux-mips@linux-mips.org, John Crispin Subject: [RFC 04/11] MIPS: ralink: adds reset code Date: Wed, 23 Jan 2013 13:05:48 +0100 Message-Id: <1358942755-25371-5-git-send-email-blogic@openwrt.org> X-Mailer: git-send-email 1.7.10.4 In-Reply-To: <1358942755-25371-1-git-send-email-blogic@openwrt.org> References: <1358942755-25371-1-git-send-email-blogic@openwrt.org> X-archive-position: 35510 X-ecartis-version: Ecartis v1.0.0 Sender: linux-mips-bounce@linux-mips.org Errors-to: linux-mips-bounce@linux-mips.org X-original-sender: blogic@openwrt.org Precedence: bulk List-help: List-unsubscribe: List-software: Ecartis version 1.0.0 List-Id: linux-mips X-List-ID: linux-mips List-subscribe: List-owner: List-post: List-archive: X-list: linux-mips Return-Path: Resetting these SoCs requires no real magic. The code is straight forward. Signed-off-by: John Crispin --- arch/mips/ralink/reset.c | 44 ++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 44 insertions(+) create mode 100644 arch/mips/ralink/reset.c diff --git a/arch/mips/ralink/reset.c b/arch/mips/ralink/reset.c new file mode 100644 index 0000000..22120e5 --- /dev/null +++ b/arch/mips/ralink/reset.c @@ -0,0 +1,44 @@ +/* + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License version 2 as published + * by the Free Software Foundation. + * + * Copyright (C) 2008-2009 Gabor Juhos + * Copyright (C) 2008 Imre Kaloz + * Copyright (C) 2013 John Crispin + */ + +#include +#include + +#include + +#include + +/* Reset Control */ +#define SYSC_REG_RESET_CTRL 0x034 +#define RSTCTL_RESET_SYSTEM BIT(0) + +static void ralink_restart(char *command) +{ + local_irq_disable(); + rt_sysc_w32(RSTCTL_RESET_SYSTEM, SYSC_REG_RESET_CTRL); + unreachable(); +} + +static void ralink_halt(void) +{ + local_irq_disable(); + unreachable(); +} + +static int __init mips_reboot_setup(void) +{ + _machine_restart = ralink_restart; + _machine_halt = ralink_halt; + pm_power_off = ralink_halt; + + return 0; +} + +arch_initcall(mips_reboot_setup); -- 1.7.10.4