From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from ns.lynxeye.de ([87.118.118.114] helo=lynxeye.de) by bombadil.infradead.org with esmtp (Exim 4.80.1 #2 (Red Hat Linux)) id 1YSsnh-0001JZ-A2 for barebox@lists.infradead.org; Tue, 03 Mar 2015 19:48:20 +0000 Received: from tellur.intern.lynxeye.de (p57B5E414.dip0.t-ipconnect.de [87.181.228.20]) by lynxeye.de (Postfix) with ESMTPA id 4527E26C2008 for ; Tue, 3 Mar 2015 20:46:30 +0100 (CET) From: Lucas Stach Date: Tue, 3 Mar 2015 20:46:20 +0100 Message-Id: <1425411983-24732-8-git-send-email-dev@lynxeye.de> In-Reply-To: <1425411983-24732-1-git-send-email-dev@lynxeye.de> References: <1425411983-24732-1-git-send-email-dev@lynxeye.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: [PATCH 08/11] ARM: tegra: add eMMC barebox update handler To: barebox@lists.infradead.org Signed-off-by: Lucas Stach --- arch/arm/mach-tegra/Makefile | 1 + arch/arm/mach-tegra/include/mach/tegra-bbu.h | 28 +++++++++++ arch/arm/mach-tegra/tegra-bbu.c | 74 ++++++++++++++++++++++++++++ 3 files changed, 103 insertions(+) create mode 100644 arch/arm/mach-tegra/include/mach/tegra-bbu.h create mode 100644 arch/arm/mach-tegra/tegra-bbu.c diff --git a/arch/arm/mach-tegra/Makefile b/arch/arm/mach-tegra/Makefile index e68156a..7c4c1fd 100644 --- a/arch/arm/mach-tegra/Makefile +++ b/arch/arm/mach-tegra/Makefile @@ -13,3 +13,4 @@ lwl-y += tegra_maincomplex_init.o obj-y += tegra20.o obj-y += tegra20-pmc.o obj-y += tegra20-timer.o +obj-$(CONFIG_BAREBOX_UPDATE) += tegra-bbu.o diff --git a/arch/arm/mach-tegra/include/mach/tegra-bbu.h b/arch/arm/mach-tegra/include/mach/tegra-bbu.h new file mode 100644 index 0000000..32e2861 --- /dev/null +++ b/arch/arm/mach-tegra/include/mach/tegra-bbu.h @@ -0,0 +1,28 @@ +/* + * Copyright (C) 2015 Lucas Stach + * + * This program is free software; you can redistribute it and/or modify it + * under the terms and conditions of the GNU General Public License, + * version 2, as published by the Free Software Foundation. + * + * This program is distributed in the hope 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. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, see . + */ + +#include + +#ifdef CONFIG_BAREBOX_UPDATE +int tegra_bbu_register_emmc_handler(const char *name, char *devicefile, + unsigned long flags); +#else +static int tegra_bbu_register_emmc_handler(const char *name, char *devicefile, + unsigned long flags) +{ + return 0; +}; +#endif diff --git a/arch/arm/mach-tegra/tegra-bbu.c b/arch/arm/mach-tegra/tegra-bbu.c new file mode 100644 index 0000000..089e6c7 --- /dev/null +++ b/arch/arm/mach-tegra/tegra-bbu.c @@ -0,0 +1,74 @@ +/* + * Copyright (C) 2015 Lucas Stach + * + * This program is free software; you can redistribute it and/or modify it + * under the terms and conditions of the GNU General Public License, + * version 2, as published by the Free Software Foundation. + * + * This program is distributed in the hope 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. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, see . + */ + +#include +#include +#include +#include +#include + +static int tegra_bbu_emmc_handler(struct bbu_handler *handler, + struct bbu_data *data) +{ + + int fd, ret; + + if (file_detect_type(data->image + 0x4000, data->len) != + filetype_arm_barebox && + !bbu_force(data, "Not an ARM barebox image")) + return -EINVAL; + + ret = bbu_confirm(data); + if (ret) + return ret; + + fd = open(data->devicefile, O_WRONLY); + if (fd < 0) + return fd; + + ret = write(fd, data->image, data->len); + if (ret < 0) { + pr_err("writing update to %s failed with %s\n", + data->devicefile, strerror(-ret)); + goto err_close; + } + + ret = 0; + +err_close: + close(fd); + + return ret; +} + +int tegra_bbu_register_emmc_handler(const char *name, char *devicefile, + unsigned long flags) +{ + struct bbu_handler *handler; + int ret = 0; + + handler = xzalloc(sizeof(*handler)); + handler->name = name; + handler->devicefile = devicefile; + handler->flags = flags; + handler->handler = tegra_bbu_emmc_handler; + + ret = bbu_register_handler(handler); + if (ret) + free(handler); + + return ret; +} -- 2.1.0 _______________________________________________ barebox mailing list barebox@lists.infradead.org http://lists.infradead.org/mailman/listinfo/barebox