From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from mout.gmx.net ([212.227.15.19]) by bombadil.infradead.org with esmtps (Exim 4.90_1 #2 (Red Hat Linux)) id 1fCm54-0008W1-6u for barebox@lists.infradead.org; Sun, 29 Apr 2018 13:09:33 +0000 From: Oleksij Rempel Date: Sun, 29 Apr 2018 15:09:05 +0200 Message-Id: <20180429130907.20506-6-linux@rempel-privat.de> In-Reply-To: <20180429130907.20506-1-linux@rempel-privat.de> References: <20180429130907.20506-1-linux@rempel-privat.de> List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 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: [RFC PATCH 5/7] MIPS: ath79: add kexec support To: barebox@lists.infradead.org Cc: Oleksij Rempel Signed-off-by: Oleksij Rempel --- arch/mips/Kconfig | 1 + arch/mips/mach-ath79/Makefile | 1 + arch/mips/mach-ath79/reboot.c | 42 ++++++++++++++++++++++++++++++++++++++++++ 3 files changed, 44 insertions(+) create mode 100644 arch/mips/mach-ath79/reboot.c diff --git a/arch/mips/Kconfig b/arch/mips/Kconfig index c2c555dc3..2b549373a 100644 --- a/arch/mips/Kconfig +++ b/arch/mips/Kconfig @@ -73,6 +73,7 @@ config MACH_MIPS_ATH79 select CLKDEV_LOOKUP select OFTREE select GPIOLIB + select HAS_KEXEC config MACH_MIPS_BCM47XX bool "Broadcom BCM47xx-based boards" diff --git a/arch/mips/mach-ath79/Makefile b/arch/mips/mach-ath79/Makefile index 3772daeba..9b8218dd6 100644 --- a/arch/mips/mach-ath79/Makefile +++ b/arch/mips/mach-ath79/Makefile @@ -1,2 +1,3 @@ obj-y += reset.o obj-y += bbu.o +obj-$(CONFIG_KEXEC) += reboot.o diff --git a/arch/mips/mach-ath79/reboot.c b/arch/mips/mach-ath79/reboot.c new file mode 100644 index 000000000..c207c58d3 --- /dev/null +++ b/arch/mips/mach-ath79/reboot.c @@ -0,0 +1,42 @@ +/* + * Copyright (C) 2018 Antony Pavlov + * + * This file is part of barebox. + * See file CREDITS for list of people who contributed to this project. + * + * 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. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + */ + +#include +#include +#include +#include +#include +#include +#include "../../../lib/kexec/kexec.h" +#include + +int reboot(int cmd, void *opaque) +{ + if (cmd == LINUX_REBOOT_CMD_KEXEC) { + extern unsigned long reboot_code_buffer; + void (*kexec_code_buffer)(void); + + shutdown_barebox(); + + kexec_code_buffer = phys_to_virt(reboot_code_buffer); + + kexec_code_buffer(); + } + + return -1; +} +EXPORT_SYMBOL(reboot); -- 2.14.1 _______________________________________________ barebox mailing list barebox@lists.infradead.org http://lists.infradead.org/mailman/listinfo/barebox